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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
94853 changed files with 43200404 additions and 0 deletions
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linux-7.2.3/sound/soc/intel/atom/Makefile
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# SPDX-License-Identifier: GPL-2.0-only
snd-soc-sst-atom-hifi2-platform-y := sst-mfld-platform-pcm.o \
sst-mfld-platform-compress.o \
sst-atom-controls.o
obj-$(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM) += snd-soc-sst-atom-hifi2-platform.o
# DSP driver
obj-$(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM) += sst/
linux-7.2.3/sound/soc/intel/atom/sst-atom-controls.c
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linux-7.2.3/sound/soc/intel/atom/sst-atom-controls.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* sst-atom-controls.h - Intel MID Platform driver header file
*
* Copyright (C) 2013-14 Intel Corp
* Author: Ramesh Babu <ramesh.babu.koul@intel.com>
* Omair M Abdullah <omair.m.abdullah@intel.com>
* Samreen Nilofer <samreen.nilofer@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef __SST_ATOM_CONTROLS_H__
#define __SST_ATOM_CONTROLS_H__
#include <sound/soc.h>
#include <sound/tlv.h>
enum {
MERR_DPCM_AUDIO = 0,
MERR_DPCM_DEEP_BUFFER,
MERR_DPCM_COMPR,
};
/* define a bit for each mixer input */
#define SST_MIX_IP(x) (x)
#define SST_IP_MODEM SST_MIX_IP(0)
#define SST_IP_BT SST_MIX_IP(1)
#define SST_IP_CODEC0 SST_MIX_IP(2)
#define SST_IP_CODEC1 SST_MIX_IP(3)
#define SST_IP_LOOP0 SST_MIX_IP(4)
#define SST_IP_LOOP1 SST_MIX_IP(5)
#define SST_IP_LOOP2 SST_MIX_IP(6)
#define SST_IP_PROBE SST_MIX_IP(7)
#define SST_IP_VOIP SST_MIX_IP(12)
#define SST_IP_PCM0 SST_MIX_IP(13)
#define SST_IP_PCM1 SST_MIX_IP(14)
#define SST_IP_MEDIA0 SST_MIX_IP(17)
#define SST_IP_MEDIA1 SST_MIX_IP(18)
#define SST_IP_MEDIA2 SST_MIX_IP(19)
#define SST_IP_MEDIA3 SST_MIX_IP(20)
#define SST_IP_LAST SST_IP_MEDIA3
#define SST_SWM_INPUT_COUNT (SST_IP_LAST + 1)
#define SST_CMD_SWM_MAX_INPUTS 6
#define SST_PATH_ID_SHIFT 8
#define SST_DEFAULT_LOCATION_ID 0xFFFF
#define SST_DEFAULT_CELL_NBR 0xFF
#define SST_DEFAULT_MODULE_ID 0xFFFF
/*
* Audio DSP Path Ids. Specified by the audio DSP FW
*/
enum sst_path_index {
SST_PATH_INDEX_MODEM_OUT = (0x00 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_CODEC_OUT0 = (0x02 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_CODEC_OUT1 = (0x03 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_SPROT_LOOP_OUT = (0x04 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA_LOOP1_OUT = (0x05 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA_LOOP2_OUT = (0x06 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_VOIP_OUT = (0x0C << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_PCM0_OUT = (0x0D << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_PCM1_OUT = (0x0E << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_PCM2_OUT = (0x0F << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA0_OUT = (0x12 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA1_OUT = (0x13 << SST_PATH_ID_SHIFT),
/* Start of input paths */
SST_PATH_INDEX_MODEM_IN = (0x80 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_CODEC_IN0 = (0x82 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_CODEC_IN1 = (0x83 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_SPROT_LOOP_IN = (0x84 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA_LOOP1_IN = (0x85 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA_LOOP2_IN = (0x86 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_VOIP_IN = (0x8C << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_PCM0_IN = (0x8D << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_PCM1_IN = (0x8E << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA0_IN = (0x8F << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA1_IN = (0x90 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA2_IN = (0x91 << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_MEDIA3_IN = (0x9C << SST_PATH_ID_SHIFT),
SST_PATH_INDEX_RESERVED = (0xFF << SST_PATH_ID_SHIFT),
};
/*
* path IDs
*/
enum sst_swm_inputs {
SST_SWM_IN_MODEM = (SST_PATH_INDEX_MODEM_IN | SST_DEFAULT_CELL_NBR),
SST_SWM_IN_CODEC0 = (SST_PATH_INDEX_CODEC_IN0 | SST_DEFAULT_CELL_NBR),
SST_SWM_IN_CODEC1 = (SST_PATH_INDEX_CODEC_IN1 | SST_DEFAULT_CELL_NBR),
SST_SWM_IN_SPROT_LOOP = (SST_PATH_INDEX_SPROT_LOOP_IN | SST_DEFAULT_CELL_NBR),
SST_SWM_IN_MEDIA_LOOP1 = (SST_PATH_INDEX_MEDIA_LOOP1_IN | SST_DEFAULT_CELL_NBR),
SST_SWM_IN_MEDIA_LOOP2 = (SST_PATH_INDEX_MEDIA_LOOP2_IN | SST_DEFAULT_CELL_NBR),
SST_SWM_IN_VOIP = (SST_PATH_INDEX_VOIP_IN | SST_DEFAULT_CELL_NBR),
SST_SWM_IN_PCM0 = (SST_PATH_INDEX_PCM0_IN | SST_DEFAULT_CELL_NBR),
SST_SWM_IN_PCM1 = (SST_PATH_INDEX_PCM1_IN | SST_DEFAULT_CELL_NBR),
SST_SWM_IN_MEDIA0 = (SST_PATH_INDEX_MEDIA0_IN | SST_DEFAULT_CELL_NBR), /* Part of Media Mixer */
SST_SWM_IN_MEDIA1 = (SST_PATH_INDEX_MEDIA1_IN | SST_DEFAULT_CELL_NBR), /* Part of Media Mixer */
SST_SWM_IN_MEDIA2 = (SST_PATH_INDEX_MEDIA2_IN | SST_DEFAULT_CELL_NBR), /* Part of Media Mixer */
SST_SWM_IN_MEDIA3 = (SST_PATH_INDEX_MEDIA3_IN | SST_DEFAULT_CELL_NBR), /* Part of Media Mixer */
SST_SWM_IN_END = (SST_PATH_INDEX_RESERVED | SST_DEFAULT_CELL_NBR)
};
/*
* path IDs
*/
enum sst_swm_outputs {
SST_SWM_OUT_MODEM = (SST_PATH_INDEX_MODEM_OUT | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_CODEC0 = (SST_PATH_INDEX_CODEC_OUT0 | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_CODEC1 = (SST_PATH_INDEX_CODEC_OUT1 | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_SPROT_LOOP = (SST_PATH_INDEX_SPROT_LOOP_OUT | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_MEDIA_LOOP1 = (SST_PATH_INDEX_MEDIA_LOOP1_OUT | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_MEDIA_LOOP2 = (SST_PATH_INDEX_MEDIA_LOOP2_OUT | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_VOIP = (SST_PATH_INDEX_VOIP_OUT | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_PCM0 = (SST_PATH_INDEX_PCM0_OUT | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_PCM1 = (SST_PATH_INDEX_PCM1_OUT | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_PCM2 = (SST_PATH_INDEX_PCM2_OUT | SST_DEFAULT_CELL_NBR),
SST_SWM_OUT_MEDIA0 = (SST_PATH_INDEX_MEDIA0_OUT | SST_DEFAULT_CELL_NBR), /* Part of Media Mixer */
SST_SWM_OUT_MEDIA1 = (SST_PATH_INDEX_MEDIA1_OUT | SST_DEFAULT_CELL_NBR), /* Part of Media Mixer */
SST_SWM_OUT_END = (SST_PATH_INDEX_RESERVED | SST_DEFAULT_CELL_NBR),
};
enum sst_ipc_msg {
SST_IPC_IA_CMD = 1,
SST_IPC_IA_SET_PARAMS,
SST_IPC_IA_GET_PARAMS,
};
enum sst_cmd_type {
SST_CMD_BYTES_SET = 1,
SST_CMD_BYTES_GET = 2,
};
enum sst_task {
SST_TASK_SBA = 1,
SST_TASK_MMX = 3,
};
enum sst_type {
SST_TYPE_CMD = 1,
SST_TYPE_PARAMS,
};
enum sst_flag {
SST_FLAG_BLOCKED = 1,
SST_FLAG_NONBLOCK,
};
/*
* Enumeration for indexing the gain cells in VB_SET_GAIN DSP command
*/
enum sst_gain_index {
/* GAIN IDs for SB task start here */
SST_GAIN_INDEX_CODEC_OUT0,
SST_GAIN_INDEX_CODEC_OUT1,
SST_GAIN_INDEX_CODEC_IN0,
SST_GAIN_INDEX_CODEC_IN1,
SST_GAIN_INDEX_SPROT_LOOP_OUT,
SST_GAIN_INDEX_MEDIA_LOOP1_OUT,
SST_GAIN_INDEX_MEDIA_LOOP2_OUT,
SST_GAIN_INDEX_PCM0_IN_LEFT,
SST_GAIN_INDEX_PCM0_IN_RIGHT,
SST_GAIN_INDEX_PCM1_OUT_LEFT,
SST_GAIN_INDEX_PCM1_OUT_RIGHT,
SST_GAIN_INDEX_PCM1_IN_LEFT,
SST_GAIN_INDEX_PCM1_IN_RIGHT,
SST_GAIN_INDEX_PCM2_OUT_LEFT,
SST_GAIN_INDEX_PCM2_OUT_RIGHT,
SST_GAIN_INDEX_VOIP_OUT,
SST_GAIN_INDEX_VOIP_IN,
/* Gain IDs for MMX task start here */
SST_GAIN_INDEX_MEDIA0_IN_LEFT,
SST_GAIN_INDEX_MEDIA0_IN_RIGHT,
SST_GAIN_INDEX_MEDIA1_IN_LEFT,
SST_GAIN_INDEX_MEDIA1_IN_RIGHT,
SST_GAIN_INDEX_MEDIA2_IN_LEFT,
SST_GAIN_INDEX_MEDIA2_IN_RIGHT,
SST_GAIN_INDEX_GAIN_END
};
/*
* Audio DSP module IDs specified by FW spec
* TODO: Update with all modules
*/
enum sst_module_id {
SST_MODULE_ID_PCM = 0x0001,
SST_MODULE_ID_MP3 = 0x0002,
SST_MODULE_ID_MP24 = 0x0003,
SST_MODULE_ID_AAC = 0x0004,
SST_MODULE_ID_AACP = 0x0005,
SST_MODULE_ID_EAACP = 0x0006,
SST_MODULE_ID_WMA9 = 0x0007,
SST_MODULE_ID_WMA10 = 0x0008,
SST_MODULE_ID_WMA10P = 0x0009,
SST_MODULE_ID_RA = 0x000A,
SST_MODULE_ID_DDAC3 = 0x000B,
SST_MODULE_ID_TRUE_HD = 0x000C,
SST_MODULE_ID_HD_PLUS = 0x000D,
SST_MODULE_ID_SRC = 0x0064,
SST_MODULE_ID_DOWNMIX = 0x0066,
SST_MODULE_ID_GAIN_CELL = 0x0067,
SST_MODULE_ID_SPROT = 0x006D,
SST_MODULE_ID_BASS_BOOST = 0x006E,
SST_MODULE_ID_STEREO_WDNG = 0x006F,
SST_MODULE_ID_AV_REMOVAL = 0x0070,
SST_MODULE_ID_MIC_EQ = 0x0071,
SST_MODULE_ID_SPL = 0x0072,
SST_MODULE_ID_ALGO_VTSV = 0x0073,
SST_MODULE_ID_NR = 0x0076,
SST_MODULE_ID_BWX = 0x0077,
SST_MODULE_ID_DRP = 0x0078,
SST_MODULE_ID_MDRP = 0x0079,
SST_MODULE_ID_ANA = 0x007A,
SST_MODULE_ID_AEC = 0x007B,
SST_MODULE_ID_NR_SNS = 0x007C,
SST_MODULE_ID_SER = 0x007D,
SST_MODULE_ID_AGC = 0x007E,
SST_MODULE_ID_CNI = 0x007F,
SST_MODULE_ID_CONTEXT_ALGO_AWARE = 0x0080,
SST_MODULE_ID_FIR_24 = 0x0081,
SST_MODULE_ID_IIR_24 = 0x0082,
SST_MODULE_ID_ASRC = 0x0083,
SST_MODULE_ID_TONE_GEN = 0x0084,
SST_MODULE_ID_BMF = 0x0086,
SST_MODULE_ID_EDL = 0x0087,
SST_MODULE_ID_GLC = 0x0088,
SST_MODULE_ID_FIR_16 = 0x0089,
SST_MODULE_ID_IIR_16 = 0x008A,
SST_MODULE_ID_DNR = 0x008B,
SST_MODULE_ID_VIRTUALIZER = 0x008C,
SST_MODULE_ID_VISUALIZATION = 0x008D,
SST_MODULE_ID_LOUDNESS_OPTIMIZER = 0x008E,
SST_MODULE_ID_REVERBERATION = 0x008F,
SST_MODULE_ID_CNI_TX = 0x0090,
SST_MODULE_ID_REF_LINE = 0x0091,
SST_MODULE_ID_VOLUME = 0x0092,
SST_MODULE_ID_FILT_DCR = 0x0094,
SST_MODULE_ID_SLV = 0x009A,
SST_MODULE_ID_NLF = 0x009B,
SST_MODULE_ID_TNR = 0x009C,
SST_MODULE_ID_WNR = 0x009D,
SST_MODULE_ID_LOG = 0xFF00,
SST_MODULE_ID_TASK = 0xFFFF,
};
enum sst_cmd {
SBA_IDLE = 14,
SBA_VB_SET_SPEECH_PATH = 26,
MMX_SET_GAIN = 33,
SBA_VB_SET_GAIN = 33,
FBA_VB_RX_CNI = 35,
MMX_SET_GAIN_TIMECONST = 36,
SBA_VB_SET_TIMECONST = 36,
SBA_VB_START = 85,
SBA_SET_SWM = 114,
SBA_SET_MDRP = 116,
SBA_HW_SET_SSP = 117,
SBA_SET_MEDIA_LOOP_MAP = 118,
SBA_SET_MEDIA_PATH = 119,
MMX_SET_MEDIA_PATH = 119,
SBA_VB_LPRO = 126,
SBA_VB_SET_FIR = 128,
SBA_VB_SET_IIR = 129,
SBA_SET_SSP_SLOT_MAP = 130,
};
enum sst_dsp_switch {
SST_SWITCH_OFF = 0,
SST_SWITCH_ON = 3,
};
enum sst_path_switch {
SST_PATH_OFF = 0,
SST_PATH_ON = 1,
};
enum sst_swm_state {
SST_SWM_OFF = 0,
SST_SWM_ON = 3,
};
#define SST_FILL_LOCATION_IDS(dst, cell_idx, pipe_id) do { \
dst.location_id.p.cell_nbr_idx = (cell_idx); \
dst.location_id.p.path_id = (pipe_id); \
} while (0)
#define SST_FILL_LOCATION_ID(dst, loc_id) (\
dst.location_id.f = (loc_id))
#define SST_FILL_MODULE_ID(dst, mod_id) (\
dst.module_id = (mod_id))
#define SST_FILL_DESTINATION1(dst, id) do { \
SST_FILL_LOCATION_ID(dst, (id) & 0xFFFF); \
SST_FILL_MODULE_ID(dst, ((id) & 0xFFFF0000) >> 16); \
} while (0)
#define SST_FILL_DESTINATION2(dst, loc_id, mod_id) do { \
SST_FILL_LOCATION_ID(dst, loc_id); \
SST_FILL_MODULE_ID(dst, mod_id); \
} while (0)
#define SST_FILL_DESTINATION3(dst, cell_idx, path_id, mod_id) do { \
SST_FILL_LOCATION_IDS(dst, cell_idx, path_id); \
SST_FILL_MODULE_ID(dst, mod_id); \
} while (0)
#define SST_FILL_DESTINATION(level, dst, ...) \
SST_FILL_DESTINATION##level(dst, __VA_ARGS__)
#define SST_FILL_DEFAULT_DESTINATION(dst) \
SST_FILL_DESTINATION(2, dst, SST_DEFAULT_LOCATION_ID, SST_DEFAULT_MODULE_ID)
struct sst_destination_id {
union sst_location_id {
struct {
u8 cell_nbr_idx; /* module index */
u8 path_id; /* pipe_id */
} __packed p; /* part */
u16 f; /* full */
} __packed location_id;
u16 module_id;
} __packed;
struct sst_dsp_header {
struct sst_destination_id dst;
u16 command_id;
u16 length;
} __packed;
/*
*
* Common Commands
*
*/
struct sst_cmd_generic {
struct sst_dsp_header header;
} __packed;
struct swm_input_ids {
struct sst_destination_id input_id;
} __packed;
struct sst_cmd_set_swm {
struct sst_dsp_header header;
struct sst_destination_id output_id;
u16 switch_state;
u16 nb_inputs;
struct swm_input_ids input[SST_CMD_SWM_MAX_INPUTS];
} __packed;
struct sst_cmd_set_media_path {
struct sst_dsp_header header;
u16 switch_state;
} __packed;
struct pcm_cfg {
u8 s_length:2;
u8 rate:3;
u8 format:3;
} __packed;
struct sst_cmd_set_speech_path {
struct sst_dsp_header header;
u16 switch_state;
struct {
u16 rsvd:8;
struct pcm_cfg cfg;
} config;
} __packed;
struct gain_cell {
struct sst_destination_id dest;
s16 cell_gain_left;
s16 cell_gain_right;
u16 gain_time_constant;
} __packed;
#define NUM_GAIN_CELLS 1
struct sst_cmd_set_gain_dual {
struct sst_dsp_header header;
u16 gain_cell_num;
struct gain_cell cell_gains[NUM_GAIN_CELLS];
} __packed;
struct sst_cmd_set_params {
struct sst_destination_id dst;
u16 command_id;
char params[];
} __packed;
struct sst_cmd_sba_vb_start {
struct sst_dsp_header header;
} __packed;
union sba_media_loop_params {
struct {
u16 rsvd:8;
struct pcm_cfg cfg;
} part;
u16 full;
} __packed;
struct sst_cmd_sba_set_media_loop_map {
struct sst_dsp_header header;
u16 switch_state;
union sba_media_loop_params param;
u16 map;
} __packed;
struct sst_cmd_tone_stop {
struct sst_dsp_header header;
u16 switch_state;
} __packed;
enum sst_ssp_mode {
SSP_MODE_PROVIDER = 0,
SSP_MODE_CONSUMER = 1,
};
enum sst_ssp_pcm_mode {
SSP_PCM_MODE_NORMAL = 0,
SSP_PCM_MODE_NETWORK = 1,
};
enum sst_ssp_duplex {
SSP_DUPLEX = 0,
SSP_RX = 1,
SSP_TX = 2,
};
enum sst_ssp_fs_frequency {
SSP_FS_8_KHZ = 0,
SSP_FS_16_KHZ = 1,
SSP_FS_44_1_KHZ = 2,
SSP_FS_48_KHZ = 3,
};
enum sst_ssp_fs_polarity {
SSP_FS_ACTIVE_LOW = 0,
SSP_FS_ACTIVE_HIGH = 1,
};
enum sst_ssp_protocol {
SSP_MODE_PCM = 0,
SSP_MODE_I2S = 1,
};
enum sst_ssp_port_id {
SSP_MODEM = 0,
SSP_BT = 1,
SSP_FM = 2,
SSP_CODEC = 3,
};
struct sst_cmd_sba_hw_set_ssp {
struct sst_dsp_header header;
u16 selection; /* 0:SSP0(def), 1:SSP1, 2:SSP2 */
u16 switch_state;
u16 nb_bits_per_slots:6; /* 0-32 bits, 24 (def) */
u16 nb_slots:4; /* 0-8: slots per frame */
u16 mode:3; /* 0:Master, 1: Slave */
u16 duplex:3;
u16 active_tx_slot_map:8; /* Bit map, 0:off, 1:on */
u16 reserved1:8;
u16 active_rx_slot_map:8; /* Bit map 0: Off, 1:On */
u16 reserved2:8;
u16 frame_sync_frequency;
u16 frame_sync_polarity:8;
u16 data_polarity:8;
u16 frame_sync_width; /* 1 to N clocks */
u16 ssp_protocol:8;
u16 start_delay:8; /* Start delay in terms of clock ticks */
} __packed;
#define SST_MAX_TDM_SLOTS 8
struct sst_param_sba_ssp_slot_map {
struct sst_dsp_header header;
u16 param_id;
u16 param_len;
u16 ssp_index;
u8 rx_slot_map[SST_MAX_TDM_SLOTS];
u8 tx_slot_map[SST_MAX_TDM_SLOTS];
} __packed;
enum {
SST_PROBE_EXTRACTOR = 0,
SST_PROBE_INJECTOR = 1,
};
/**** widget defines *****/
#define SST_MODULE_GAIN 1
#define SST_MODULE_ALGO 2
#define SST_FMT_MONO 0
#define SST_FMT_STEREO 3
/* physical SSP numbers */
enum {
SST_SSP0 = 0,
SST_SSP1,
SST_SSP2,
SST_SSP_LAST = SST_SSP2,
};
#define SST_NUM_SSPS (SST_SSP_LAST + 1) /* physical SSPs */
#define SST_MAX_SSP_MUX 2 /* single SSP muxed between pipes */
#define SST_MAX_SSP_DOMAINS 2 /* domains present in each pipe */
struct sst_module {
struct snd_kcontrol *kctl;
struct list_head node;
};
struct sst_ssp_config {
u8 ssp_id;
u8 bits_per_slot;
u8 slots;
u8 ssp_mode;
u8 pcm_mode;
u8 duplex;
u8 ssp_protocol;
u8 fs_frequency;
u8 active_slot_map;
u8 start_delay;
u16 fs_width;
u8 frame_sync_polarity;
u8 data_polarity;
};
struct sst_ssp_cfg {
const u8 ssp_number;
const int *mux_shift;
const int (*domain_shift)[SST_MAX_SSP_MUX];
const struct sst_ssp_config (*ssp_config)[SST_MAX_SSP_MUX][SST_MAX_SSP_DOMAINS];
};
struct sst_ids {
u16 location_id;
u16 module_id;
u8 task_id;
u8 format;
u8 reg;
const char *parent_wname;
struct snd_soc_dapm_widget *parent_w;
struct list_head algo_list;
struct list_head gain_list;
const struct sst_pcm_format *pcm_fmt;
};
#define SST_AIF_IN(wname, wevent) \
{ .id = snd_soc_dapm_aif_in, .name = wname, .sname = NULL, \
.reg = SND_SOC_NOPM, .shift = 0, \
.on_val = 1, .off_val = 0, \
.event = wevent, .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \
.priv = (void *)&(struct sst_ids) { .task_id = 0, .location_id = 0 } \
}
#define SST_AIF_OUT(wname, wevent) \
{ .id = snd_soc_dapm_aif_out, .name = wname, .sname = NULL, \
.reg = SND_SOC_NOPM, .shift = 0, \
.on_val = 1, .off_val = 0, \
.event = wevent, .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \
.priv = (void *)&(struct sst_ids) { .task_id = 0, .location_id = 0 } \
}
#define SST_INPUT(wname, wevent) \
{ .id = snd_soc_dapm_input, .name = wname, .sname = NULL, \
.reg = SND_SOC_NOPM, .shift = 0, \
.on_val = 1, .off_val = 0, \
.event = wevent, .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \
.priv = (void *)&(struct sst_ids) { .task_id = 0, .location_id = 0 } \
}
#define SST_OUTPUT(wname, wevent) \
{ .id = snd_soc_dapm_output, .name = wname, .sname = NULL, \
.reg = SND_SOC_NOPM, .shift = 0, \
.on_val = 1, .off_val = 0, \
.event = wevent, .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \
.priv = (void *)&(struct sst_ids) { .task_id = 0, .location_id = 0 } \
}
#define SST_DAPM_OUTPUT(wname, wloc_id, wtask_id, wformat, wevent) \
{ .id = snd_soc_dapm_output, .name = wname, .sname = NULL, \
.reg = SND_SOC_NOPM, .shift = 0, \
.on_val = 1, .off_val = 0, \
.event = wevent, .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \
.priv = (void *)&(struct sst_ids) { .location_id = wloc_id, .task_id = wtask_id,\
.pcm_fmt = wformat, } \
}
#define SST_PATH(wname, wtask, wloc_id, wevent, wflags) \
{ .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, .shift = 0, \
.kcontrol_news = NULL, .num_kcontrols = 0, \
.on_val = 1, .off_val = 0, \
.event = wevent, .event_flags = wflags, \
.priv = (void *)&(struct sst_ids) { .task_id = wtask, .location_id = wloc_id, } \
}
#define SST_LINKED_PATH(wname, wtask, wloc_id, linked_wname, wevent, wflags) \
{ .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, .shift = 0, \
.kcontrol_news = NULL, .num_kcontrols = 0, \
.on_val = 1, .off_val = 0, \
.event = wevent, .event_flags = wflags, \
.priv = (void *)&(struct sst_ids) { .task_id = wtask, .location_id = wloc_id, \
.parent_wname = linked_wname} \
}
#define SST_PATH_MEDIA_LOOP(wname, wtask, wloc_id, wformat, wevent, wflags) \
{ .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, .shift = 0, \
.kcontrol_news = NULL, .num_kcontrols = 0, \
.event = wevent, .event_flags = wflags, \
.priv = (void *)&(struct sst_ids) { .task_id = wtask, .location_id = wloc_id, \
.format = wformat,} \
}
/* output is triggered before input */
#define SST_PATH_INPUT(name, task_id, loc_id, event) \
SST_PATH(name, task_id, loc_id, event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
#define SST_PATH_LINKED_INPUT(name, task_id, loc_id, linked_wname, event) \
SST_LINKED_PATH(name, task_id, loc_id, linked_wname, event, \
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
#define SST_PATH_OUTPUT(name, task_id, loc_id, event) \
SST_PATH(name, task_id, loc_id, event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)
#define SST_PATH_LINKED_OUTPUT(name, task_id, loc_id, linked_wname, event) \
SST_LINKED_PATH(name, task_id, loc_id, linked_wname, event, \
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)
#define SST_PATH_MEDIA_LOOP_OUTPUT(name, task_id, loc_id, format, event) \
SST_PATH_MEDIA_LOOP(name, task_id, loc_id, format, event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)
#define SST_SWM_MIXER(wname, wreg, wtask, wloc_id, wcontrols, wevent) \
{ .id = snd_soc_dapm_mixer, .name = wname, .reg = SND_SOC_NOPM, .shift = 0, \
.kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols),\
.event = wevent, .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD | \
SND_SOC_DAPM_POST_REG, \
.priv = (void *)&(struct sst_ids) { .task_id = wtask, .location_id = wloc_id, \
.reg = wreg } \
}
enum sst_gain_kcontrol_type {
SST_GAIN_TLV,
SST_GAIN_MUTE,
SST_GAIN_RAMP_DURATION,
};
struct sst_gain_mixer_control {
bool stereo;
enum sst_gain_kcontrol_type type;
struct sst_gain_value *gain_val;
int max;
int min;
u16 instance_id;
u16 module_id;
u16 pipe_id;
u16 task_id;
char pname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
struct snd_soc_dapm_widget *w;
};
struct sst_gain_value {
u16 ramp_duration;
s16 l_gain;
s16 r_gain;
bool mute;
};
#define SST_GAIN_VOLUME_DEFAULT (-1440)
#define SST_GAIN_RAMP_DURATION_DEFAULT 5 /* timeconstant */
#define SST_GAIN_MUTE_DEFAULT true
#define SST_GAIN_KCONTROL_TLV(xname, xhandler_get, xhandler_put, \
xmod, xpipe, xinstance, xtask, tlv_array, xgain_val, \
xmin, xmax, xpname) \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
SNDRV_CTL_ELEM_ACCESS_READWRITE, \
.tlv.p = (tlv_array), \
.info = sst_gain_ctl_info,\
.get = xhandler_get, .put = xhandler_put, \
.private_value = (unsigned long)&(struct sst_gain_mixer_control) \
{ .stereo = true, .max = xmax, .min = xmin, .type = SST_GAIN_TLV, \
.module_id = xmod, .pipe_id = xpipe, .task_id = xtask,\
.instance_id = xinstance, .gain_val = xgain_val, .pname = xpname}
#define SST_GAIN_KCONTROL_INT(xname, xhandler_get, xhandler_put, \
xmod, xpipe, xinstance, xtask, xtype, xgain_val, \
xmin, xmax, xpname) \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = sst_gain_ctl_info, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = (unsigned long)&(struct sst_gain_mixer_control) \
{ .stereo = false, .max = xmax, .min = xmin, .type = xtype, \
.module_id = xmod, .pipe_id = xpipe, .task_id = xtask,\
.instance_id = xinstance, .gain_val = xgain_val, .pname = xpname}
#define SST_GAIN_KCONTROL_BOOL(xname, xhandler_get, xhandler_put,\
xmod, xpipe, xinstance, xtask, xgain_val, xpname) \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_bool_ext, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = (unsigned long)&(struct sst_gain_mixer_control) \
{ .stereo = false, .type = SST_GAIN_MUTE, \
.module_id = xmod, .pipe_id = xpipe, .task_id = xtask,\
.instance_id = xinstance, .gain_val = xgain_val, .pname = xpname}
#define SST_CONTROL_NAME(xpname, xmname, xinstance, xtype) \
xpname " " xmname " " #xinstance " " xtype
#define SST_COMBO_CONTROL_NAME(xpname, xmname, xinstance, xtype, xsubmodule) \
xpname " " xmname " " #xinstance " " xtype " " xsubmodule
/*
* 3 Controls for each Gain module
* e.g. - pcm0_in Gain 0 Volume
* - pcm0_in Gain 0 Ramp Delay
* - pcm0_in Gain 0 Switch
*/
#define SST_GAIN_KCONTROLS(xpname, xmname, xmin_gain, xmax_gain, xmin_tc, xmax_tc, \
xhandler_get, xhandler_put, \
xmod, xpipe, xinstance, xtask, tlv_array, xgain_val) \
{ SST_GAIN_KCONTROL_INT(SST_CONTROL_NAME(xpname, xmname, xinstance, "Ramp Delay"), \
xhandler_get, xhandler_put, xmod, xpipe, xinstance, xtask, SST_GAIN_RAMP_DURATION, \
xgain_val, xmin_tc, xmax_tc, xpname) }, \
{ SST_GAIN_KCONTROL_BOOL(SST_CONTROL_NAME(xpname, xmname, xinstance, "Switch"), \
xhandler_get, xhandler_put, xmod, xpipe, xinstance, xtask, \
xgain_val, xpname) } ,\
{ SST_GAIN_KCONTROL_TLV(SST_CONTROL_NAME(xpname, xmname, xinstance, "Volume"), \
xhandler_get, xhandler_put, xmod, xpipe, xinstance, xtask, tlv_array, \
xgain_val, xmin_gain, xmax_gain, xpname) }
#define SST_GAIN_TC_MIN 5
#define SST_GAIN_TC_MAX 5000
#define SST_GAIN_MIN_VALUE -1440 /* in 0.1 DB units */
#define SST_GAIN_MAX_VALUE 360
enum sst_algo_kcontrol_type {
SST_ALGO_PARAMS,
SST_ALGO_BYPASS,
};
struct sst_algo_control {
enum sst_algo_kcontrol_type type;
int max;
u16 module_id;
u16 pipe_id;
u16 task_id;
u16 cmd_id;
bool bypass;
unsigned char *params;
struct snd_soc_dapm_widget *w;
};
/* size of the control = size of params + size of length field */
#define SST_ALGO_CTL_VALUE(xcount, xtype, xpipe, xmod, xtask, xcmd) \
(struct sst_algo_control){ \
.max = xcount + sizeof(u16), .type = xtype, .module_id = xmod, \
.pipe_id = xpipe, .task_id = xtask, .cmd_id = xcmd, \
}
#define SST_ALGO_KCONTROL(xname, xcount, xmod, xpipe, \
xtask, xcmd, xtype, xinfo, xget, xput) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = xname, \
.info = xinfo, .get = xget, .put = xput, \
.private_value = (unsigned long)& \
SST_ALGO_CTL_VALUE(xcount, xtype, xpipe, \
xmod, xtask, xcmd), \
}
#define SST_ALGO_KCONTROL_BYTES(xpname, xmname, xcount, xmod, \
xpipe, xinstance, xtask, xcmd) \
SST_ALGO_KCONTROL(SST_CONTROL_NAME(xpname, xmname, xinstance, "params"), \
xcount, xmod, xpipe, xtask, xcmd, SST_ALGO_PARAMS, \
sst_algo_bytes_ctl_info, \
sst_algo_control_get, sst_algo_control_set)
#define SST_ALGO_KCONTROL_BOOL(xpname, xmname, xmod, xpipe, xinstance, xtask) \
SST_ALGO_KCONTROL(SST_CONTROL_NAME(xpname, xmname, xinstance, "bypass"), \
0, xmod, xpipe, xtask, 0, SST_ALGO_BYPASS, \
snd_soc_info_bool_ext, \
sst_algo_control_get, sst_algo_control_set)
#define SST_ALGO_BYPASS_PARAMS(xpname, xmname, xcount, xmod, xpipe, \
xinstance, xtask, xcmd) \
SST_ALGO_KCONTROL_BOOL(xpname, xmname, xmod, xpipe, xinstance, xtask), \
SST_ALGO_KCONTROL_BYTES(xpname, xmname, xcount, xmod, xpipe, xinstance, xtask, xcmd)
#define SST_COMBO_ALGO_KCONTROL_BYTES(xpname, xmname, xsubmod, xcount, xmod, \
xpipe, xinstance, xtask, xcmd) \
SST_ALGO_KCONTROL(SST_COMBO_CONTROL_NAME(xpname, xmname, xinstance, "params", \
xsubmod), \
xcount, xmod, xpipe, xtask, xcmd, SST_ALGO_PARAMS, \
sst_algo_bytes_ctl_info, \
sst_algo_control_get, sst_algo_control_set)
struct sst_enum {
bool tx;
unsigned short reg;
unsigned int max;
const char * const *texts;
struct snd_soc_dapm_widget *w;
};
/* only 4 slots/channels supported atm */
#define SST_SSP_SLOT_ENUM(s_ch_no, is_tx, xtexts) \
(struct sst_enum){ .reg = s_ch_no, .tx = is_tx, .max = 4+1, .texts = xtexts, }
#define SST_SLOT_CTL_NAME(xpname, xmname, s_ch_name) \
xpname " " xmname " " s_ch_name
#define SST_SSP_SLOT_CTL(xpname, xmname, s_ch_name, s_ch_no, is_tx, xtexts, xget, xput) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = SST_SLOT_CTL_NAME(xpname, xmname, s_ch_name), \
.info = sst_slot_enum_info, \
.get = xget, .put = xput, \
.private_value = (unsigned long)&SST_SSP_SLOT_ENUM(s_ch_no, is_tx, xtexts), \
}
#define SST_MUX_CTL_NAME(xpname, xinstance) \
xpname " " #xinstance
#define SST_SSP_MUX_ENUM(xreg, xshift, xtexts) \
(struct soc_enum) SOC_ENUM_DOUBLE(xreg, xshift, xshift, ARRAY_SIZE(xtexts), xtexts)
#define SST_SSP_MUX_CTL(xpname, xinstance, xreg, xshift, xtexts) \
SOC_DAPM_ENUM(SST_MUX_CTL_NAME(xpname, xinstance), \
SST_SSP_MUX_ENUM(xreg, xshift, xtexts))
int sst_fill_ssp_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
unsigned int rx_mask, int slots, int slot_width);
int sst_fill_ssp_config(struct snd_soc_dai *dai, unsigned int fmt);
void sst_fill_ssp_defaults(struct snd_soc_dai *dai);
#endif
linux-7.2.3/sound/soc/intel/atom/sst-mfld-dsp.h
+525
View File
@@ -0,0 +1,525 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __SST_MFLD_DSP_H__
#define __SST_MFLD_DSP_H__
/*
* sst_mfld_dsp.h - Intel SST Driver for audio engine
*
* Copyright (C) 2008-14 Intel Corporation
* Authors: Vinod Koul <vinod.koul@linux.intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#define SST_MAX_BIN_BYTES 1024
#define MAX_DBG_RW_BYTES 80
#define MAX_NUM_SCATTER_BUFFERS 8
#define MAX_LOOP_BACK_DWORDS 8
/* IPC base address and mailbox, timestamp offsets */
#define SST_MAILBOX_SIZE 0x0400
#define SST_MAILBOX_SEND 0x0000
#define SST_TIME_STAMP 0x1800
#define SST_TIME_STAMP_MRFLD 0x800
#define SST_RESERVED_OFFSET 0x1A00
#define SST_SCU_LPE_MAILBOX 0x1000
#define SST_LPE_SCU_MAILBOX 0x1400
#define SST_SCU_LPE_LOG_BUF (SST_SCU_LPE_MAILBOX+16)
#define PROCESS_MSG 0x80
/* Message ID's for IPC messages */
/* Bits B7: SST or IA/SC ; B6-B4: Msg Category; B3-B0: Msg Type */
/* I2L Firmware/Codec Download msgs */
#define IPC_IA_PREP_LIB_DNLD 0x01
#define IPC_IA_LIB_DNLD_CMPLT 0x02
#define IPC_IA_GET_FW_VERSION 0x04
#define IPC_IA_GET_FW_BUILD_INF 0x05
#define IPC_IA_GET_FW_INFO 0x06
#define IPC_IA_GET_FW_CTXT 0x07
#define IPC_IA_SET_FW_CTXT 0x08
#define IPC_IA_PREPARE_SHUTDOWN 0x31
/* I2L Codec Config/control msgs */
#define IPC_PREP_D3 0x10
#define IPC_IA_SET_CODEC_PARAMS 0x10
#define IPC_IA_GET_CODEC_PARAMS 0x11
#define IPC_IA_SET_PPP_PARAMS 0x12
#define IPC_IA_GET_PPP_PARAMS 0x13
#define IPC_SST_PERIOD_ELAPSED_MRFLD 0xA
#define IPC_IA_ALG_PARAMS 0x1A
#define IPC_IA_TUNING_PARAMS 0x1B
#define IPC_IA_SET_RUNTIME_PARAMS 0x1C
#define IPC_IA_SET_PARAMS 0x1
#define IPC_IA_GET_PARAMS 0x2
#define IPC_EFFECTS_CREATE 0xE
#define IPC_EFFECTS_DESTROY 0xF
/* I2L Stream config/control msgs */
#define IPC_IA_ALLOC_STREAM_MRFLD 0x2
#define IPC_IA_ALLOC_STREAM 0x20 /* Allocate a stream ID */
#define IPC_IA_FREE_STREAM_MRFLD 0x03
#define IPC_IA_FREE_STREAM 0x21 /* Free the stream ID */
#define IPC_IA_SET_STREAM_PARAMS 0x22
#define IPC_IA_SET_STREAM_PARAMS_MRFLD 0x12
#define IPC_IA_GET_STREAM_PARAMS 0x23
#define IPC_IA_PAUSE_STREAM 0x24
#define IPC_IA_PAUSE_STREAM_MRFLD 0x4
#define IPC_IA_RESUME_STREAM 0x25
#define IPC_IA_RESUME_STREAM_MRFLD 0x5
#define IPC_IA_DROP_STREAM 0x26
#define IPC_IA_DROP_STREAM_MRFLD 0x07
#define IPC_IA_DRAIN_STREAM 0x27 /* Short msg with str_id */
#define IPC_IA_DRAIN_STREAM_MRFLD 0x8
#define IPC_IA_CONTROL_ROUTING 0x29
#define IPC_IA_VTSV_UPDATE_MODULES 0x20
#define IPC_IA_VTSV_DETECTED 0x21
#define IPC_IA_START_STREAM_MRFLD 0X06
#define IPC_IA_START_STREAM 0x30 /* Short msg with str_id */
#define IPC_IA_SET_GAIN_MRFLD 0x21
/* Debug msgs */
#define IPC_IA_DBG_MEM_READ 0x40
#define IPC_IA_DBG_MEM_WRITE 0x41
#define IPC_IA_DBG_LOOP_BACK 0x42
#define IPC_IA_DBG_LOG_ENABLE 0x45
#define IPC_IA_DBG_SET_PROBE_PARAMS 0x47
/* L2I Firmware/Codec Download msgs */
#define IPC_IA_FW_INIT_CMPLT 0x81
#define IPC_IA_FW_INIT_CMPLT_MRFLD 0x01
#define IPC_IA_FW_ASYNC_ERR_MRFLD 0x11
/* L2I Codec Config/control msgs */
#define IPC_SST_FRAGMENT_ELPASED 0x90 /* Request IA more data */
#define IPC_SST_BUF_UNDER_RUN 0x92 /* PB Under run and stopped */
#define IPC_SST_BUF_OVER_RUN 0x93 /* CAP Under run and stopped */
#define IPC_SST_DRAIN_END 0x94 /* PB Drain complete and stopped */
#define IPC_SST_CHNGE_SSP_PARAMS 0x95 /* PB SSP parameters changed */
#define IPC_SST_STREAM_PROCESS_FATAL_ERR 0x96/* error in processing a stream */
#define IPC_SST_PERIOD_ELAPSED 0x97 /* period elapsed */
#define IPC_SST_ERROR_EVENT 0x99 /* Buffer over run occurred */
/* L2S messages */
#define IPC_SC_DDR_LINK_UP 0xC0
#define IPC_SC_DDR_LINK_DOWN 0xC1
#define IPC_SC_SET_LPECLK_REQ 0xC2
#define IPC_SC_SSP_BIT_BANG 0xC3
/* L2I Error reporting msgs */
#define IPC_IA_MEM_ALLOC_FAIL 0xE0
#define IPC_IA_PROC_ERR 0xE1 /* error in processing a
stream can be used by playback and
capture modules */
/* L2I Debug msgs */
#define IPC_IA_PRINT_STRING 0xF0
/* Buffer under-run */
#define IPC_IA_BUF_UNDER_RUN_MRFLD 0x0B
/* Mrfld specific defines:
* For asynchronous messages(INIT_CMPLT, PERIOD_ELAPSED, ASYNC_ERROR)
* received from FW, the format is:
* - IPC High: pvt_id is set to zero. Always short message.
* - msg_id is in lower 16-bits of IPC low payload.
* - pipe_id is in higher 16-bits of IPC low payload for period_elapsed.
* - error id is in higher 16-bits of IPC low payload for async errors.
*/
#define SST_ASYNC_DRV_ID 0
/* Command Response or Acknowledge message to any IPC message will have
* same message ID and stream ID information which is sent.
* There is no specific Ack message ID. The data field is used as response
* meaning.
*/
enum ackData {
IPC_ACK_SUCCESS = 0,
IPC_ACK_FAILURE,
};
enum ipc_ia_msg_id {
IPC_CMD = 1, /*!< Task Control message ID */
IPC_SET_PARAMS = 2,/*!< Task Set param message ID */
IPC_GET_PARAMS = 3, /*!< Task Get param message ID */
IPC_INVALID = 0xFF, /*!<Task Get param message ID */
};
enum sst_codec_types {
/* AUDIO/MUSIC CODEC Type Definitions */
SST_CODEC_TYPE_UNKNOWN = 0,
SST_CODEC_TYPE_PCM, /* Pass through Audio codec */
SST_CODEC_TYPE_MP3,
SST_CODEC_TYPE_MP24,
SST_CODEC_TYPE_AAC,
SST_CODEC_TYPE_AACP,
SST_CODEC_TYPE_eAACP,
};
enum stream_type {
SST_STREAM_TYPE_NONE = 0,
SST_STREAM_TYPE_MUSIC = 1,
};
enum sst_error_codes {
/* Error code,response to msgId: Description */
/* Common error codes */
SST_SUCCESS = 0, /* Success */
SST_ERR_INVALID_STREAM_ID = 1,
SST_ERR_INVALID_MSG_ID = 2,
SST_ERR_INVALID_STREAM_OP = 3,
SST_ERR_INVALID_PARAMS = 4,
SST_ERR_INVALID_CODEC = 5,
SST_ERR_INVALID_MEDIA_TYPE = 6,
SST_ERR_STREAM_ERR = 7,
SST_ERR_STREAM_IN_USE = 15,
};
struct ipc_dsp_hdr {
u16 mod_index_id:8; /*!< DSP Command ID specific to tasks */
u16 pipe_id:8; /*!< instance of the module in the pipeline */
u16 mod_id; /*!< Pipe_id */
u16 cmd_id; /*!< Module ID = lpe_algo_types_t */
u16 length; /*!< Length of the payload only */
} __packed;
union ipc_header_high {
struct {
u32 msg_id:8; /* Message ID - Max 256 Message Types */
u32 task_id:4; /* Task ID associated with this comand */
u32 drv_id:4; /* Identifier for the driver to track*/
u32 rsvd1:8; /* Reserved */
u32 result:4; /* Reserved */
u32 res_rqd:1; /* Response rqd */
u32 large:1; /* Large Message if large = 1 */
u32 done:1; /* bit 30 - Done bit */
u32 busy:1; /* bit 31 - busy bit*/
} part;
u32 full;
} __packed;
/* IPC header */
union ipc_header_mrfld {
struct {
u32 header_low_payload;
union ipc_header_high header_high;
} p;
u64 full;
} __packed;
/* CAUTION NOTE: All IPC message body must be multiple of 32 bits.*/
/* IPC Header */
union ipc_header {
struct {
u32 msg_id:8; /* Message ID - Max 256 Message Types */
u32 str_id:5;
u32 large:1; /* Large Message if large = 1 */
u32 reserved:2; /* Reserved for future use */
u32 data:14; /* Ack/Info for msg, size of msg in Mailbox */
u32 done:1; /* bit 30 */
u32 busy:1; /* bit 31 */
} part;
u32 full;
} __packed;
/* Firmware build info */
struct sst_fw_build_info {
unsigned char date[16]; /* Firmware build date */
unsigned char time[16]; /* Firmware build time */
} __packed;
/* Firmware Version info */
struct snd_sst_fw_version {
u8 build; /* build number*/
u8 minor; /* minor number*/
u8 major; /* major number*/
u8 type; /* build type */
};
struct ipc_header_fw_init {
struct snd_sst_fw_version fw_version;/* Firmware version details */
struct sst_fw_build_info build_info;
u16 result; /* Fw init result */
u8 module_id; /* Module ID in case of error */
u8 debug_info; /* Debug info from Module ID in case of fail */
} __packed;
struct snd_sst_tstamp {
u64 ring_buffer_counter; /* PB/CP: Bytes copied from/to DDR. */
u64 hardware_counter; /* PB/CP: Bytes DMAed to/from SSP. */
u64 frames_decoded;
u64 bytes_decoded;
u64 bytes_copied;
u32 sampling_frequency;
u32 channel_peak[8];
} __packed;
/* Stream type params structure for Alloc stream */
struct snd_sst_str_type {
u8 codec_type; /* Codec type */
u8 str_type; /* 1 = voice 2 = music */
u8 operation; /* Playback or Capture */
u8 protected_str; /* 0=Non DRM, 1=DRM */
u8 time_slots;
u8 reserved; /* Reserved */
u16 result; /* Result used for acknowledgment */
} __packed;
/* Library info structure */
struct module_info {
u32 lib_version;
u32 lib_type;/*TBD- KLOCKWORK u8 lib_type;*/
u32 media_type;
u8 lib_name[12];
u32 lib_caps;
unsigned char b_date[16]; /* Lib build date */
unsigned char b_time[16]; /* Lib build time */
} __packed;
/* Library slot info */
struct lib_slot_info {
u8 slot_num; /* 1 or 2 */
u8 reserved1;
u16 reserved2;
u32 iram_size; /* slot size in IRAM */
u32 dram_size; /* slot size in DRAM */
u32 iram_offset; /* starting offset of slot in IRAM */
u32 dram_offset; /* starting offset of slot in DRAM */
} __packed;
struct snd_ppp_mixer_params {
__u32 type; /*Type of the parameter */
__u32 size;
__u32 input_stream_bitmap; /*Input stream Bit Map*/
} __packed;
struct snd_sst_lib_download {
struct module_info lib_info; /* library info type, capabilities etc */
struct lib_slot_info slot_info; /* slot info to be downloaded */
u32 mod_entry_pt;
};
struct snd_sst_lib_download_info {
struct snd_sst_lib_download dload_lib;
u16 result; /* Result used for acknowledgment */
u8 pvt_id; /* Private ID */
u8 reserved; /* for alignment */
};
struct snd_pcm_params {
u8 num_chan; /* 1=Mono, 2=Stereo */
u8 pcm_wd_sz; /* 16/24 - bit*/
u8 use_offload_path; /* 0-PCM using period elpased & ALSA interfaces
1-PCM stream via compressed interface */
u8 reserved2;
u32 sfreq; /* Sampling rate in Hz */
u8 channel_map[8];
} __packed;
/* MP3 Music Parameters Message */
struct snd_mp3_params {
u8 num_chan; /* 1=Mono, 2=Stereo */
u8 pcm_wd_sz; /* 16/24 - bit*/
u8 crc_check; /* crc_check - disable (0) or enable (1) */
u8 reserved1; /* unused*/
u16 reserved2; /* Unused */
} __packed;
#define AAC_BIT_STREAM_ADTS 0
#define AAC_BIT_STREAM_ADIF 1
#define AAC_BIT_STREAM_RAW 2
/* AAC Music Parameters Message */
struct snd_aac_params {
u8 num_chan; /* 1=Mono, 2=Stereo*/
u8 pcm_wd_sz; /* 16/24 - bit*/
u8 bdownsample; /*SBR downsampling 0 - disable 1 -enabled AAC+ only */
u8 bs_format; /* input bit stream format adts=0, adif=1, raw=2 */
u16 reser2;
u32 externalsr; /*sampling rate of basic AAC raw bit stream*/
u8 sbr_signalling;/*disable/enable/set automode the SBR tool.AAC+*/
u8 reser1;
u16 reser3;
} __packed;
/* WMA Music Parameters Message */
struct snd_wma_params {
u8 num_chan; /* 1=Mono, 2=Stereo */
u8 pcm_wd_sz; /* 16/24 - bit*/
u16 reserved1;
u32 brate; /* Use the hard coded value. */
u32 sfreq; /* Sampling freq eg. 8000, 441000, 48000 */
u32 channel_mask; /* Channel Mask */
u16 format_tag; /* Format Tag */
u16 block_align; /* packet size */
u16 wma_encode_opt;/* Encoder option */
u8 op_align; /* op align 0- 16 bit, 1- MSB, 2 LSB */
u8 reserved; /* reserved */
} __packed;
/* Codec params structure */
union snd_sst_codec_params {
struct snd_pcm_params pcm_params;
struct snd_mp3_params mp3_params;
struct snd_aac_params aac_params;
struct snd_wma_params wma_params;
} __packed;
/* Address and size info of a frame buffer */
struct sst_address_info {
u32 addr; /* Address at IA */
u32 size; /* Size of the buffer */
};
struct snd_sst_alloc_params_ext {
__u16 sg_count;
__u16 reserved;
__u32 frag_size; /*Number of samples after which period elapsed
message is sent valid only if path = 0*/
struct sst_address_info ring_buf_info[8];
};
struct snd_sst_stream_params {
union snd_sst_codec_params uc;
} __packed;
struct snd_sst_params {
u32 result;
u32 stream_id;
u8 codec;
u8 ops;
u8 stream_type;
u8 device_type;
u8 task;
struct snd_sst_stream_params sparams;
struct snd_sst_alloc_params_ext aparams;
};
struct snd_sst_alloc_mrfld {
u16 codec_type;
u8 operation;
u8 sg_count;
struct sst_address_info ring_buf_info[8];
u32 frag_size;
u32 ts;
struct snd_sst_stream_params codec_params;
} __packed;
/* Alloc stream params structure */
struct snd_sst_alloc_params {
struct snd_sst_str_type str_type;
struct snd_sst_stream_params stream_params;
struct snd_sst_alloc_params_ext alloc_params;
} __packed;
/* Alloc stream response message */
struct snd_sst_alloc_response {
struct snd_sst_str_type str_type; /* Stream type for allocation */
struct snd_sst_lib_download lib_dnld; /* Valid only for codec dnld */
};
/* Drop response */
struct snd_sst_drop_response {
u32 result;
u32 bytes;
};
struct snd_sst_async_msg {
u32 msg_id; /* Async msg id */
u32 payload[];
};
struct snd_sst_async_err_msg {
u32 fw_resp; /* Firmware Result */
u32 lib_resp; /*Library result */
} __packed;
struct snd_sst_vol {
u32 stream_id;
s32 volume;
u32 ramp_duration;
u32 ramp_type; /* Ramp type, default=0 */
};
/* Gain library parameters for mrfld
* based on DSP command spec v0.82
*/
struct snd_sst_gain_v2 {
u16 gain_cell_num; /* num of gain cells to modify*/
u8 cell_nbr_idx; /* instance index*/
u8 cell_path_idx; /* pipe-id */
u16 module_id; /*module id */
u16 left_cell_gain; /* left gain value in dB*/
u16 right_cell_gain; /* right gain value in dB*/
u16 gain_time_const; /* gain time constant*/
} __packed;
struct snd_sst_mute {
u32 stream_id;
u32 mute;
};
struct snd_sst_runtime_params {
u8 type;
u8 str_id;
u8 size;
u8 rsvd;
void *addr;
} __packed;
enum stream_param_type {
SST_SET_TIME_SLOT = 0,
SST_SET_CHANNEL_INFO = 1,
OTHERS = 2, /*reserved for future params*/
};
/* CSV Voice call routing structure */
struct snd_sst_control_routing {
u8 control; /* 0=start, 1=Stop */
u8 reserved[3]; /* Reserved- for 32 bit alignment */
};
struct ipc_post {
struct list_head node;
union ipc_header header; /* driver specific */
bool is_large;
bool is_process_reply;
union ipc_header_mrfld mrfld_header;
char *mailbox_data;
};
struct snd_sst_ctxt_params {
u32 address; /* Physical Address in DDR where the context is stored */
u32 size; /* size of the context */
};
struct snd_sst_lpe_log_params {
u8 dbg_type;
u8 module_id;
u8 log_level;
u8 reserved;
} __packed;
enum snd_sst_bytes_type {
SND_SST_BYTES_SET = 0x1,
SND_SST_BYTES_GET = 0x2,
};
struct snd_sst_bytes_v2 {
u8 type;
u8 ipc_msg;
u8 block;
u8 task_id;
u8 pipe_id;
u8 rsvd;
u16 len;
char bytes[];
};
#define MAX_VTSV_FILES 2
struct snd_sst_vtsv_info {
struct sst_address_info vfiles[MAX_VTSV_FILES];
} __packed;
#endif /* __SST_MFLD_DSP_H__ */
linux-7.2.3/sound/soc/intel/atom/sst-mfld-platform-compress.c
+273
View File
@@ -0,0 +1,273 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_mfld_platform.c - Intel MID Platform driver
*
* Copyright (C) 2010-2014 Intel Corp
* Author: Vinod Koul <vinod.koul@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
#include <asm/div64.h>
#include "sst-mfld-platform.h"
/* compress stream operations */
static void sst_compr_fragment_elapsed(void *arg)
{
struct snd_compr_stream *cstream = (struct snd_compr_stream *)arg;
pr_debug("fragment elapsed by driver\n");
if (cstream)
snd_compr_fragment_elapsed(cstream);
}
static void sst_drain_notify(void *arg)
{
struct snd_compr_stream *cstream = (struct snd_compr_stream *)arg;
pr_debug("drain notify by driver\n");
if (cstream)
snd_compr_drain_notify(cstream);
}
static int sst_platform_compr_open(struct snd_soc_component *component,
struct snd_compr_stream *cstream)
{
int ret_val;
struct snd_compr_runtime *runtime = cstream->runtime;
struct sst_runtime_stream *stream;
stream = kzalloc_obj(*stream);
if (!stream)
return -ENOMEM;
spin_lock_init(&stream->status_lock);
/* get the sst ops */
if (!sst || !try_module_get(sst->dev->driver->owner)) {
pr_err("no device available to run\n");
ret_val = -ENODEV;
goto out_ops;
}
stream->compr_ops = sst->compr_ops;
stream->id = 0;
/* Turn on LPE */
sst->compr_ops->power(sst->dev, true);
sst_set_stream_status(stream, SST_PLATFORM_INIT);
runtime->private_data = stream;
return 0;
out_ops:
kfree(stream);
return ret_val;
}
static int sst_platform_compr_free(struct snd_soc_component *component,
struct snd_compr_stream *cstream)
{
struct sst_runtime_stream *stream;
int ret_val = 0, str_id;
stream = cstream->runtime->private_data;
/* Turn off LPE */
sst->compr_ops->power(sst->dev, false);
/*need to check*/
str_id = stream->id;
if (str_id)
ret_val = stream->compr_ops->close(sst->dev, str_id);
module_put(sst->dev->driver->owner);
kfree(stream);
pr_debug("%s: %d\n", __func__, ret_val);
return 0;
}
static int sst_platform_compr_set_params(struct snd_soc_component *component,
struct snd_compr_stream *cstream,
struct snd_compr_params *params)
{
struct sst_runtime_stream *stream;
int retval;
struct snd_sst_params str_params;
struct sst_compress_cb cb;
struct sst_data *ctx = snd_soc_component_get_drvdata(component);
stream = cstream->runtime->private_data;
/* construct fw structure for this*/
memset(&str_params, 0, sizeof(str_params));
/* fill the device type and stream id to pass to SST driver */
retval = sst_fill_stream_params(cstream, ctx, &str_params, true);
pr_debug("compr_set_params: fill stream params ret_val = 0x%x\n", retval);
if (retval < 0)
return retval;
switch (params->codec.id) {
case SND_AUDIOCODEC_MP3: {
str_params.codec = SST_CODEC_TYPE_MP3;
str_params.sparams.uc.mp3_params.num_chan = params->codec.ch_in;
str_params.sparams.uc.mp3_params.pcm_wd_sz = 16;
break;
}
case SND_AUDIOCODEC_AAC: {
str_params.codec = SST_CODEC_TYPE_AAC;
str_params.sparams.uc.aac_params.num_chan = params->codec.ch_in;
str_params.sparams.uc.aac_params.pcm_wd_sz = 16;
if (params->codec.format == SND_AUDIOSTREAMFORMAT_MP4ADTS)
str_params.sparams.uc.aac_params.bs_format =
AAC_BIT_STREAM_ADTS;
else if (params->codec.format == SND_AUDIOSTREAMFORMAT_RAW)
str_params.sparams.uc.aac_params.bs_format =
AAC_BIT_STREAM_RAW;
else {
pr_err("Undefined format%d\n", params->codec.format);
return -EINVAL;
}
str_params.sparams.uc.aac_params.externalsr =
params->codec.sample_rate;
break;
}
default:
pr_err("codec not supported, id =%d\n", params->codec.id);
return -EINVAL;
}
str_params.aparams.ring_buf_info[0].addr =
virt_to_phys(cstream->runtime->buffer);
str_params.aparams.ring_buf_info[0].size =
cstream->runtime->buffer_size;
str_params.aparams.sg_count = 1;
str_params.aparams.frag_size = cstream->runtime->fragment_size;
cb.param = cstream;
cb.compr_cb = sst_compr_fragment_elapsed;
cb.drain_cb_param = cstream;
cb.drain_notify = sst_drain_notify;
retval = stream->compr_ops->open(sst->dev, &str_params, &cb);
if (retval < 0) {
pr_err("stream allocation failed %d\n", retval);
return retval;
}
stream->id = retval;
return 0;
}
static int sst_platform_compr_trigger(struct snd_soc_component *component,
struct snd_compr_stream *cstream, int cmd)
{
struct sst_runtime_stream *stream = cstream->runtime->private_data;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
if (stream->compr_ops->stream_start)
return stream->compr_ops->stream_start(sst->dev, stream->id);
break;
case SNDRV_PCM_TRIGGER_STOP:
if (stream->compr_ops->stream_drop)
return stream->compr_ops->stream_drop(sst->dev, stream->id);
break;
case SND_COMPR_TRIGGER_DRAIN:
if (stream->compr_ops->stream_drain)
return stream->compr_ops->stream_drain(sst->dev, stream->id);
break;
case SND_COMPR_TRIGGER_PARTIAL_DRAIN:
if (stream->compr_ops->stream_partial_drain)
return stream->compr_ops->stream_partial_drain(sst->dev, stream->id);
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
if (stream->compr_ops->stream_pause)
return stream->compr_ops->stream_pause(sst->dev, stream->id);
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (stream->compr_ops->stream_pause_release)
return stream->compr_ops->stream_pause_release(sst->dev, stream->id);
break;
}
return -EINVAL;
}
static int sst_platform_compr_pointer(struct snd_soc_component *component,
struct snd_compr_stream *cstream,
struct snd_compr_tstamp64 *tstamp)
{
struct sst_runtime_stream *stream;
u64 temp_copied_total = tstamp->copied_total;
stream = cstream->runtime->private_data;
stream->compr_ops->tstamp(sst->dev, stream->id, tstamp);
tstamp->byte_offset =
do_div(temp_copied_total, cstream->runtime->buffer_size);
pr_debug("calc bytes offset/copied bytes as %u\n", tstamp->byte_offset);
return 0;
}
static int sst_platform_compr_ack(struct snd_soc_component *component,
struct snd_compr_stream *cstream,
size_t bytes)
{
struct sst_runtime_stream *stream;
stream = cstream->runtime->private_data;
stream->compr_ops->ack(sst->dev, stream->id, (unsigned long)bytes);
stream->bytes_written += bytes;
return 0;
}
static int sst_platform_compr_get_caps(struct snd_soc_component *component,
struct snd_compr_stream *cstream,
struct snd_compr_caps *caps)
{
struct sst_runtime_stream *stream =
cstream->runtime->private_data;
return stream->compr_ops->get_caps(caps);
}
static int sst_platform_compr_get_codec_caps(struct snd_soc_component *component,
struct snd_compr_stream *cstream,
struct snd_compr_codec_caps *codec)
{
struct sst_runtime_stream *stream =
cstream->runtime->private_data;
return stream->compr_ops->get_codec_caps(codec);
}
static int sst_platform_compr_set_metadata(struct snd_soc_component *component,
struct snd_compr_stream *cstream,
struct snd_compr_metadata *metadata)
{
struct sst_runtime_stream *stream =
cstream->runtime->private_data;
return stream->compr_ops->set_metadata(sst->dev, stream->id, metadata);
}
const struct snd_compress_ops sst_platform_compress_ops = {
.open = sst_platform_compr_open,
.free = sst_platform_compr_free,
.set_params = sst_platform_compr_set_params,
.set_metadata = sst_platform_compr_set_metadata,
.trigger = sst_platform_compr_trigger,
.pointer = sst_platform_compr_pointer,
.ack = sst_platform_compr_ack,
.get_caps = sst_platform_compr_get_caps,
.get_codec_caps = sst_platform_compr_get_codec_caps,
};
linux-7.2.3/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+825
View File
@@ -0,0 +1,825 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_mfld_platform.c - Intel MID Platform driver
*
* Copyright (C) 2010-2014 Intel Corp
* Author: Vinod Koul <vinod.koul@intel.com>
* Author: Harsha Priya <priya.harsha@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
#include <asm/platform_sst_audio.h>
#include "sst-mfld-platform.h"
#include "sst-atom-controls.h"
struct sst_device *sst;
static DEFINE_MUTEX(sst_lock);
int sst_register_dsp(struct sst_device *dev)
{
if (WARN_ON(!dev))
return -EINVAL;
if (!try_module_get(dev->dev->driver->owner))
return -ENODEV;
mutex_lock(&sst_lock);
if (sst) {
dev_err(dev->dev, "we already have a device %s\n", sst->name);
module_put(dev->dev->driver->owner);
mutex_unlock(&sst_lock);
return -EEXIST;
}
dev_dbg(dev->dev, "registering device %s\n", dev->name);
sst = dev;
mutex_unlock(&sst_lock);
return 0;
}
EXPORT_SYMBOL_GPL(sst_register_dsp);
int sst_unregister_dsp(struct sst_device *dev)
{
if (WARN_ON(!dev))
return -EINVAL;
if (dev != sst)
return -EINVAL;
mutex_lock(&sst_lock);
if (!sst) {
mutex_unlock(&sst_lock);
return -EIO;
}
module_put(sst->dev->driver->owner);
dev_dbg(dev->dev, "unreg %s\n", sst->name);
sst = NULL;
mutex_unlock(&sst_lock);
return 0;
}
EXPORT_SYMBOL_GPL(sst_unregister_dsp);
static const struct snd_pcm_hardware sst_platform_pcm_hw = {
.info = (SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_DOUBLE |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP|
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_SYNC_START),
.buffer_bytes_max = SST_MAX_BUFFER,
.period_bytes_min = SST_MIN_PERIOD_BYTES,
.period_bytes_max = SST_MAX_PERIOD_BYTES,
.periods_min = SST_MIN_PERIODS,
.periods_max = SST_MAX_PERIODS,
.fifo_size = SST_FIFO_SIZE,
};
static struct sst_dev_stream_map dpcm_strm_map[] = {
{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, /* Reserved, not in use */
{MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA1_IN, SST_TASK_ID_MEDIA, 0},
{MERR_DPCM_COMPR, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA0_IN, SST_TASK_ID_MEDIA, 0},
{MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_CAPTURE, PIPE_PCM1_OUT, SST_TASK_ID_MEDIA, 0},
{MERR_DPCM_DEEP_BUFFER, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA3_IN, SST_TASK_ID_MEDIA, 0},
};
static int sst_media_digital_mute(struct snd_soc_dai *dai, int mute, int stream)
{
return sst_send_pipe_gains(dai, stream, mute);
}
/* helper functions */
void sst_set_stream_status(struct sst_runtime_stream *stream,
int state)
{
unsigned long flags;
spin_lock_irqsave(&stream->status_lock, flags);
stream->stream_status = state;
spin_unlock_irqrestore(&stream->status_lock, flags);
}
static inline int sst_get_stream_status(struct sst_runtime_stream *stream)
{
int state;
unsigned long flags;
spin_lock_irqsave(&stream->status_lock, flags);
state = stream->stream_status;
spin_unlock_irqrestore(&stream->status_lock, flags);
return state;
}
static void sst_fill_alloc_params(struct snd_pcm_substream *substream,
struct snd_sst_alloc_params_ext *alloc_param)
{
unsigned int channels;
snd_pcm_uframes_t period_size;
ssize_t periodbytes;
ssize_t buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
u32 buffer_addr = substream->runtime->dma_addr;
channels = substream->runtime->channels;
period_size = substream->runtime->period_size;
periodbytes = samples_to_bytes(substream->runtime, period_size);
alloc_param->ring_buf_info[0].addr = buffer_addr;
alloc_param->ring_buf_info[0].size = buffer_bytes;
alloc_param->sg_count = 1;
alloc_param->reserved = 0;
alloc_param->frag_size = periodbytes * channels;
}
static void sst_fill_pcm_params(struct snd_pcm_substream *substream,
struct snd_sst_stream_params *param)
{
param->uc.pcm_params.num_chan = (u8) substream->runtime->channels;
param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits;
param->uc.pcm_params.sfreq = substream->runtime->rate;
/* PCM stream via ALSA interface */
param->uc.pcm_params.use_offload_path = 0;
param->uc.pcm_params.reserved2 = 0;
memset(param->uc.pcm_params.channel_map, 0, sizeof(u8));
}
static int sst_get_stream_mapping(int dev, int sdev, int dir,
struct sst_dev_stream_map *map, int size)
{
int i;
if (map == NULL)
return -EINVAL;
/* index 0 is not used in stream map */
for (i = 1; i < size; i++) {
if ((map[i].dev_num == dev) && (map[i].direction == dir))
return i;
}
return 0;
}
int sst_fill_stream_params(void *substream,
const struct sst_data *ctx, struct snd_sst_params *str_params, bool is_compress)
{
int map_size;
int index;
struct sst_dev_stream_map *map;
struct snd_pcm_substream *pstream = NULL;
struct snd_compr_stream *cstream = NULL;
map = ctx->pdata->pdev_strm_map;
map_size = ctx->pdata->strm_map_size;
if (is_compress)
cstream = (struct snd_compr_stream *)substream;
else
pstream = (struct snd_pcm_substream *)substream;
str_params->stream_type = SST_STREAM_TYPE_MUSIC;
/* For pcm streams */
if (pstream) {
index = sst_get_stream_mapping(pstream->pcm->device,
pstream->number, pstream->stream,
map, map_size);
if (index <= 0)
return -EINVAL;
str_params->stream_id = index;
str_params->device_type = map[index].device_id;
str_params->task = map[index].task_id;
str_params->ops = (u8)pstream->stream;
}
if (cstream) {
index = sst_get_stream_mapping(cstream->device->device,
0, cstream->direction,
map, map_size);
if (index <= 0)
return -EINVAL;
str_params->stream_id = index;
str_params->device_type = map[index].device_id;
str_params->task = map[index].task_id;
str_params->ops = (u8)cstream->direction;
}
return 0;
}
static int sst_platform_alloc_stream(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct sst_runtime_stream *stream =
substream->runtime->private_data;
struct snd_sst_stream_params param = {{{0,},},};
struct snd_sst_params str_params = {0};
struct snd_sst_alloc_params_ext alloc_params = {0};
int ret_val = 0;
struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
/* set codec params and inform SST driver the same */
sst_fill_pcm_params(substream, &param);
sst_fill_alloc_params(substream, &alloc_params);
str_params.sparams = param;
str_params.aparams = alloc_params;
str_params.codec = SST_CODEC_TYPE_PCM;
/* fill the device type and stream id to pass to SST driver */
ret_val = sst_fill_stream_params(substream, ctx, &str_params, false);
if (ret_val < 0)
return ret_val;
stream->stream_info.str_id = str_params.stream_id;
ret_val = stream->ops->open(sst->dev, &str_params);
if (ret_val <= 0)
return ret_val;
return ret_val;
}
static void sst_period_elapsed(void *arg)
{
struct snd_pcm_substream *substream = arg;
struct sst_runtime_stream *stream;
int status;
if (!substream || !substream->runtime)
return;
stream = substream->runtime->private_data;
if (!stream)
return;
status = sst_get_stream_status(stream);
if (status != SST_PLATFORM_RUNNING)
return;
snd_pcm_period_elapsed(substream);
}
static int sst_platform_init_stream(struct snd_pcm_substream *substream)
{
struct sst_runtime_stream *stream =
substream->runtime->private_data;
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
int ret_val;
dev_dbg(rtd->dev, "setting buffer ptr param\n");
sst_set_stream_status(stream, SST_PLATFORM_INIT);
stream->stream_info.period_elapsed = sst_period_elapsed;
stream->stream_info.arg = substream;
stream->stream_info.buffer_ptr = 0;
stream->stream_info.sfreq = substream->runtime->rate;
ret_val = stream->ops->stream_init(sst->dev, &stream->stream_info);
if (ret_val)
dev_err(rtd->dev, "control_set ret error %d\n", ret_val);
return ret_val;
}
static int power_up_sst(struct sst_runtime_stream *stream)
{
return stream->ops->power(sst->dev, true);
}
static void power_down_sst(struct sst_runtime_stream *stream)
{
stream->ops->power(sst->dev, false);
}
static int sst_media_open(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
int ret_val = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
struct sst_runtime_stream *stream;
stream = kzalloc_obj(*stream);
if (!stream)
return -ENOMEM;
spin_lock_init(&stream->status_lock);
/* get the sst ops */
mutex_lock(&sst_lock);
if (!sst ||
!try_module_get(sst->dev->driver->owner)) {
dev_err(dai->dev, "no device available to run\n");
ret_val = -ENODEV;
goto out_ops;
}
stream->ops = sst->ops;
mutex_unlock(&sst_lock);
stream->stream_info.str_id = 0;
stream->stream_info.arg = substream;
/* allocate memory for SST API set */
runtime->private_data = stream;
ret_val = power_up_sst(stream);
if (ret_val < 0)
goto out_power_up;
/*
* Make sure the period to be multiple of 1ms to align the
* design of firmware. Apply same rule to buffer size to make
* sure alsa could always find a value for period size
* regardless the buffer size given by user space.
*/
snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 48);
snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 48);
/* Make sure, that the period size is always even */
snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIODS, 2);
return snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
out_ops:
mutex_unlock(&sst_lock);
out_power_up:
kfree(stream);
return ret_val;
}
static void sst_media_close(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct sst_runtime_stream *stream;
int str_id;
stream = substream->runtime->private_data;
power_down_sst(stream);
str_id = stream->stream_info.str_id;
if (str_id)
stream->ops->close(sst->dev, str_id);
module_put(sst->dev->driver->owner);
kfree(stream);
}
static int sst_media_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct sst_runtime_stream *stream;
int ret_val, str_id;
stream = substream->runtime->private_data;
str_id = stream->stream_info.str_id;
if (stream->stream_info.str_id) {
ret_val = stream->ops->stream_drop(sst->dev, str_id);
return ret_val;
}
ret_val = sst_platform_alloc_stream(substream, dai);
if (ret_val <= 0)
return ret_val;
snprintf(substream->pcm->id, sizeof(substream->pcm->id),
"%d", stream->stream_info.str_id);
ret_val = sst_platform_init_stream(substream);
if (ret_val)
return ret_val;
substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER;
return 0;
}
static int sst_enable_ssp(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
int ret = 0;
if (!snd_soc_dai_active(dai)) {
ret = sst_handle_vb_timer(dai, true);
sst_fill_ssp_defaults(dai);
}
return ret;
}
static int sst_be_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
int ret = 0;
if (snd_soc_dai_active(dai) == 1)
ret = send_ssp_cmd(dai, dai->name, 1);
return ret;
}
static int sst_set_format(struct snd_soc_dai *dai, unsigned int fmt)
{
int ret = 0;
if (!snd_soc_dai_active(dai))
return 0;
ret = sst_fill_ssp_config(dai, fmt);
if (ret < 0)
dev_err(dai->dev, "sst_set_format failed..\n");
return ret;
}
static int sst_platform_set_ssp_slot(struct snd_soc_dai *dai,
unsigned int tx_mask, unsigned int rx_mask,
int slots, int slot_width) {
int ret = 0;
if (!snd_soc_dai_active(dai))
return ret;
ret = sst_fill_ssp_slot(dai, tx_mask, rx_mask, slots, slot_width);
if (ret < 0)
dev_err(dai->dev, "sst_fill_ssp_slot failed..%d\n", ret);
return ret;
}
static void sst_disable_ssp(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
if (!snd_soc_dai_active(dai)) {
send_ssp_cmd(dai, dai->name, 0);
sst_handle_vb_timer(dai, false);
}
}
static const struct snd_soc_dai_ops sst_media_dai_ops = {
.startup = sst_media_open,
.shutdown = sst_media_close,
.prepare = sst_media_prepare,
.mute_stream = sst_media_digital_mute,
};
static const struct snd_soc_dai_ops sst_compr_dai_ops = {
.compress_new = snd_soc_new_compress,
.mute_stream = sst_media_digital_mute,
};
static const struct snd_soc_dai_ops sst_be_dai_ops = {
.startup = sst_enable_ssp,
.hw_params = sst_be_hw_params,
.set_fmt = sst_set_format,
.set_tdm_slot = sst_platform_set_ssp_slot,
.shutdown = sst_disable_ssp,
};
static struct snd_soc_dai_driver sst_platform_dai[] = {
{
.name = "media-cpu-dai",
.ops = &sst_media_dai_ops,
.playback = {
.stream_name = "Headset Playback",
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "Headset Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
},
{
.name = "deepbuffer-cpu-dai",
.ops = &sst_media_dai_ops,
.playback = {
.stream_name = "Deepbuffer Playback",
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
},
{
.name = "compress-cpu-dai",
.ops = &sst_compr_dai_ops,
.playback = {
.stream_name = "Compress Playback",
.channels_min = 1,
},
},
/* BE CPU Dais */
{
.name = "ssp0-port",
.ops = &sst_be_dai_ops,
.playback = {
.stream_name = "ssp0 Tx",
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "ssp0 Rx",
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
},
{
.name = "ssp1-port",
.ops = &sst_be_dai_ops,
.playback = {
.stream_name = "ssp1 Tx",
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "ssp1 Rx",
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
},
{
.name = "ssp2-port",
.ops = &sst_be_dai_ops,
.playback = {
.stream_name = "ssp2 Tx",
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "ssp2 Rx",
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
},
};
static int sst_soc_open(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime;
if (substream->pcm->internal)
return 0;
runtime = substream->runtime;
runtime->hw = sst_platform_pcm_hw;
return 0;
}
static int sst_soc_trigger(struct snd_soc_component *component,
struct snd_pcm_substream *substream, int cmd)
{
int ret_val = 0, str_id;
struct sst_runtime_stream *stream;
int status;
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
dev_dbg(rtd->dev, "%s called\n", __func__);
if (substream->pcm->internal)
return 0;
stream = substream->runtime->private_data;
str_id = stream->stream_info.str_id;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
dev_dbg(rtd->dev, "sst: Trigger Start\n");
status = SST_PLATFORM_RUNNING;
stream->stream_info.arg = substream;
ret_val = stream->ops->stream_start(sst->dev, str_id);
break;
case SNDRV_PCM_TRIGGER_STOP:
dev_dbg(rtd->dev, "sst: in stop\n");
status = SST_PLATFORM_DROPPED;
ret_val = stream->ops->stream_drop(sst->dev, str_id);
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
dev_dbg(rtd->dev, "sst: in pause\n");
status = SST_PLATFORM_PAUSED;
ret_val = stream->ops->stream_pause(sst->dev, str_id);
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
dev_dbg(rtd->dev, "sst: in pause release\n");
status = SST_PLATFORM_RUNNING;
ret_val = stream->ops->stream_pause_release(sst->dev, str_id);
break;
default:
return -EINVAL;
}
if (!ret_val)
sst_set_stream_status(stream, status);
return ret_val;
}
static snd_pcm_uframes_t sst_soc_pointer(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
struct sst_runtime_stream *stream;
int ret_val, status;
struct pcm_stream_info *str_info;
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
stream = substream->runtime->private_data;
status = sst_get_stream_status(stream);
if (status == SST_PLATFORM_INIT)
return 0;
str_info = &stream->stream_info;
ret_val = stream->ops->stream_read_tstamp(sst->dev, str_info);
if (ret_val) {
dev_err(rtd->dev, "sst: error code = %d\n", ret_val);
return ret_val;
}
return str_info->buffer_ptr;
}
static snd_pcm_sframes_t sst_soc_delay(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
struct sst_runtime_stream *stream = substream->runtime->private_data;
struct pcm_stream_info *str_info = &stream->stream_info;
if (sst_get_stream_status(stream) == SST_PLATFORM_INIT)
return 0;
return str_info->pcm_delay;
}
static int sst_soc_pcm_new(struct snd_soc_component *component,
struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dai *dai = snd_soc_rtd_to_cpu(rtd, 0);
struct snd_pcm *pcm = rtd->pcm;
if (dai->driver->playback.channels_min ||
dai->driver->capture.channels_min) {
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
pcm->card->dev,
SST_MIN_BUFFER, SST_MAX_BUFFER);
}
return 0;
}
static int sst_soc_probe(struct snd_soc_component *component)
{
struct sst_data *drv = dev_get_drvdata(component->dev);
drv->soc_card = component->card;
return sst_dsp_init_v2_dpcm(component);
}
static void sst_soc_remove(struct snd_soc_component *component)
{
struct sst_data *drv = dev_get_drvdata(component->dev);
drv->soc_card = NULL;
}
static const struct snd_soc_component_driver sst_soc_platform_drv = {
.name = DRV_NAME,
.probe = sst_soc_probe,
.remove = sst_soc_remove,
.open = sst_soc_open,
.trigger = sst_soc_trigger,
.pointer = sst_soc_pointer,
.delay = sst_soc_delay,
.compress_ops = &sst_platform_compress_ops,
.pcm_new = sst_soc_pcm_new,
};
static int sst_platform_probe(struct platform_device *pdev)
{
struct sst_data *drv;
int ret;
struct sst_platform_data *pdata;
drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
if (drv == NULL) {
return -ENOMEM;
}
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (pdata == NULL) {
return -ENOMEM;
}
pdata->pdev_strm_map = dpcm_strm_map;
pdata->strm_map_size = ARRAY_SIZE(dpcm_strm_map);
drv->pdata = pdata;
drv->pdev = pdev;
mutex_init(&drv->lock);
dev_set_drvdata(&pdev->dev, drv);
ret = devm_snd_soc_register_component(&pdev->dev, &sst_soc_platform_drv,
sst_platform_dai, ARRAY_SIZE(sst_platform_dai));
if (ret)
dev_err(&pdev->dev, "registering cpu dais failed\n");
return ret;
}
static void sst_platform_remove(struct platform_device *pdev)
{
dev_dbg(&pdev->dev, "sst_platform_remove success\n");
}
#ifdef CONFIG_PM_SLEEP
static int sst_soc_prepare(struct device *dev)
{
struct sst_data *drv = dev_get_drvdata(dev);
struct snd_soc_pcm_runtime *rtd;
if (!drv->soc_card)
return 0;
/* suspend all pcms first */
snd_soc_suspend(drv->soc_card->dev);
snd_soc_poweroff(drv->soc_card->dev);
/* set the SSPs to idle */
for_each_card_rtds(drv->soc_card, rtd) {
struct snd_soc_dai *dai = snd_soc_rtd_to_cpu(rtd, 0);
if (snd_soc_dai_active(dai)) {
send_ssp_cmd(dai, dai->name, 0);
sst_handle_vb_timer(dai, false);
}
}
return 0;
}
static void sst_soc_complete(struct device *dev)
{
struct sst_data *drv = dev_get_drvdata(dev);
struct snd_soc_pcm_runtime *rtd;
if (!drv->soc_card)
return;
/* restart SSPs */
for_each_card_rtds(drv->soc_card, rtd) {
struct snd_soc_dai *dai = snd_soc_rtd_to_cpu(rtd, 0);
if (snd_soc_dai_active(dai)) {
sst_handle_vb_timer(dai, true);
send_ssp_cmd(dai, dai->name, 1);
}
}
snd_soc_resume(drv->soc_card->dev);
}
#else
#define sst_soc_prepare NULL
#define sst_soc_complete NULL
#endif
static const struct dev_pm_ops sst_platform_pm = {
.prepare = sst_soc_prepare,
.complete = sst_soc_complete,
};
static struct platform_driver sst_platform_driver = {
.driver = {
.name = "sst-mfld-platform",
.pm = &sst_platform_pm,
},
.probe = sst_platform_probe,
.remove = sst_platform_remove,
};
module_platform_driver(sst_platform_driver);
MODULE_DESCRIPTION("ASoC Intel(R) MID Platform driver");
MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:sst-atom-hifi2-platform");
MODULE_ALIAS("platform:sst-mfld-platform");
linux-7.2.3/sound/soc/intel/atom/sst-mfld-platform.h
+178
View File
@@ -0,0 +1,178 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* sst_mfld_platform.h - Intel MID Platform driver header file
*
* Copyright (C) 2010 Intel Corp
* Author: Vinod Koul <vinod.koul@intel.com>
* Author: Harsha Priya <priya.harsha@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef __SST_PLATFORMDRV_H__
#define __SST_PLATFORMDRV_H__
#include "sst-mfld-dsp.h"
#include "sst-atom-controls.h"
extern struct sst_device *sst;
extern const struct snd_compress_ops sst_platform_compress_ops;
#define DRV_NAME "sst"
#define SST_MONO 1
#define SST_STEREO 2
#define SST_MAX_CAP 5
#define SST_MAX_BUFFER (800*1024)
#define SST_MIN_BUFFER (800*1024)
#define SST_MIN_PERIOD_BYTES 32
#define SST_MAX_PERIOD_BYTES SST_MAX_BUFFER
#define SST_MIN_PERIODS 2
#define SST_MAX_PERIODS (1024*2)
#define SST_FIFO_SIZE 0
struct pcm_stream_info {
int str_id;
void *arg;
void (*period_elapsed) (void *arg);
unsigned long long buffer_ptr;
unsigned long long pcm_delay;
int sfreq;
};
enum sst_drv_status {
SST_PLATFORM_INIT = 1,
SST_PLATFORM_STARTED,
SST_PLATFORM_RUNNING,
SST_PLATFORM_PAUSED,
SST_PLATFORM_DROPPED,
};
enum sst_stream_ops {
STREAM_OPS_PLAYBACK = 0,
STREAM_OPS_CAPTURE,
};
enum sst_audio_device_type {
SND_SST_DEVICE_HEADSET = 1,
SND_SST_DEVICE_IHF,
SND_SST_DEVICE_VIBRA,
SND_SST_DEVICE_HAPTIC,
SND_SST_DEVICE_CAPTURE,
SND_SST_DEVICE_COMPRESS,
};
/* PCM Parameters */
struct sst_pcm_params {
u16 codec; /* codec type */
u8 num_chan; /* 1=Mono, 2=Stereo */
u8 pcm_wd_sz; /* 16/24 - bit*/
u32 reserved; /* Bitrate in bits per second */
u32 sfreq; /* Sampling rate in Hz */
u32 ring_buffer_size;
u32 period_count; /* period elapsed in samples*/
u32 ring_buffer_addr;
};
struct sst_stream_params {
u32 result;
u32 stream_id;
u8 codec;
u8 ops;
u8 stream_type;
u8 device_type;
struct sst_pcm_params sparams;
};
struct sst_compress_cb {
void *param;
void (*compr_cb)(void *param);
void *drain_cb_param;
void (*drain_notify)(void *param);
};
struct compress_sst_ops {
const char *name;
int (*open)(struct device *dev,
struct snd_sst_params *str_params, struct sst_compress_cb *cb);
int (*stream_start)(struct device *dev, unsigned int str_id);
int (*stream_drop)(struct device *dev, unsigned int str_id);
int (*stream_drain)(struct device *dev, unsigned int str_id);
int (*stream_partial_drain)(struct device *dev, unsigned int str_id);
int (*stream_pause)(struct device *dev, unsigned int str_id);
int (*stream_pause_release)(struct device *dev, unsigned int str_id);
int (*tstamp)(struct device *dev, unsigned int str_id,
struct snd_compr_tstamp64 *tstamp);
int (*ack)(struct device *dev, unsigned int str_id,
unsigned long bytes);
int (*close)(struct device *dev, unsigned int str_id);
int (*get_caps)(struct snd_compr_caps *caps);
int (*get_codec_caps)(struct snd_compr_codec_caps *codec);
int (*set_metadata)(struct device *dev, unsigned int str_id,
struct snd_compr_metadata *mdata);
int (*power)(struct device *dev, bool state);
};
struct sst_ops {
int (*open)(struct device *dev, struct snd_sst_params *str_param);
int (*stream_init)(struct device *dev, struct pcm_stream_info *str_info);
int (*stream_start)(struct device *dev, int str_id);
int (*stream_drop)(struct device *dev, int str_id);
int (*stream_pause)(struct device *dev, int str_id);
int (*stream_pause_release)(struct device *dev, int str_id);
int (*stream_read_tstamp)(struct device *dev, struct pcm_stream_info *str_info);
int (*send_byte_stream)(struct device *dev, struct snd_sst_bytes_v2 *bytes);
int (*close)(struct device *dev, unsigned int str_id);
int (*power)(struct device *dev, bool state);
};
struct sst_runtime_stream {
int stream_status;
unsigned int id;
size_t bytes_written;
struct pcm_stream_info stream_info;
struct sst_ops *ops;
struct compress_sst_ops *compr_ops;
spinlock_t status_lock;
};
struct sst_device {
char *name;
struct device *dev;
struct sst_ops *ops;
struct platform_device *pdev;
struct compress_sst_ops *compr_ops;
};
struct sst_data;
int sst_dsp_init_v2_dpcm(struct snd_soc_component *component);
int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);
void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
struct snd_sst_params *str_params, bool is_compress);
struct sst_algo_int_control_v2 {
struct soc_mixer_control mc;
u16 module_id; /* module identifieer */
u16 pipe_id; /* location info: pipe_id + instance_id */
u16 instance_id;
unsigned int value; /* Value received is stored here */
};
struct sst_data {
struct platform_device *pdev;
struct sst_platform_data *pdata;
struct snd_sst_bytes_v2 *byte_stream;
struct mutex lock;
struct snd_soc_card *soc_card;
struct sst_cmd_sba_hw_set_ssp ssp_cmd;
};
int sst_register_dsp(struct sst_device *dev);
int sst_unregister_dsp(struct sst_device *dev);
#endif
linux-7.2.3/sound/soc/intel/atom/sst/Makefile
+8
View File
@@ -0,0 +1,8 @@
# SPDX-License-Identifier: GPL-2.0-only
snd-intel-sst-core-y := sst.o sst_ipc.o sst_stream.o sst_drv_interface.o sst_loader.o sst_pvt.o
snd-intel-sst-pci-y += sst_pci.o
snd-intel-sst-acpi-y += sst_acpi.o
obj-$(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM) += snd-intel-sst-core.o
obj-$(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_PCI) += snd-intel-sst-pci.o
obj-$(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) += snd-intel-sst-acpi.o
linux-7.2.3/sound/soc/intel/atom/sst/sst.c
+579
View File
@@ -0,0 +1,579 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst.c - Intel SST Driver for audio engine
*
* Copyright (C) 2008-14 Intel Corp
* Authors: Vinod Koul <vinod.koul@intel.com>
* Harsha Priya <priya.harsha@intel.com>
* Dharageswari R <dharageswari.r@intel.com>
* KP Jeeja <jeeja.kp@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/firmware.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/pm_qos.h>
#include <linux/async.h>
#include <linux/acpi.h>
#include <linux/sysfs.h>
#include <sound/core.h>
#include <sound/soc.h>
#include <asm/platform_sst_audio.h>
#include "../sst-mfld-platform.h"
#include "sst.h"
MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
MODULE_DESCRIPTION("Intel (R) SST(R) Audio Engine Driver");
MODULE_LICENSE("GPL v2");
static inline bool sst_is_process_reply(u32 msg_id)
{
return ((msg_id & PROCESS_MSG) ? true : false);
}
static inline bool sst_validate_mailbox_size(unsigned int size)
{
return ((size <= SST_MAILBOX_SIZE) ? true : false);
}
static irqreturn_t intel_sst_interrupt_mrfld(int irq, void *context)
{
union interrupt_reg_mrfld isr;
union ipc_header_mrfld header;
union sst_imr_reg_mrfld imr;
struct ipc_post *msg = NULL;
unsigned int size;
struct intel_sst_drv *drv = (struct intel_sst_drv *) context;
irqreturn_t retval = IRQ_HANDLED;
/* Interrupt arrived, check src */
isr.full = sst_shim_read64(drv->shim, SST_ISRX);
if (isr.part.done_interrupt) {
/* Clear done bit */
spin_lock(&drv->ipc_spin_lock);
header.full = sst_shim_read64(drv->shim,
drv->ipc_reg.ipcx);
header.p.header_high.part.done = 0;
sst_shim_write64(drv->shim, drv->ipc_reg.ipcx, header.full);
/* write 1 to clear status register */
isr.part.done_interrupt = 1;
sst_shim_write64(drv->shim, SST_ISRX, isr.full);
spin_unlock(&drv->ipc_spin_lock);
/* we can send more messages to DSP so trigger work */
queue_work(drv->post_msg_wq, &drv->ipc_post_msg_wq);
retval = IRQ_HANDLED;
}
if (isr.part.busy_interrupt) {
/* message from dsp so copy that */
spin_lock(&drv->ipc_spin_lock);
imr.full = sst_shim_read64(drv->shim, SST_IMRX);
imr.part.busy_interrupt = 1;
sst_shim_write64(drv->shim, SST_IMRX, imr.full);
spin_unlock(&drv->ipc_spin_lock);
header.full = sst_shim_read64(drv->shim, drv->ipc_reg.ipcd);
if (sst_create_ipc_msg(&msg, header.p.header_high.part.large)) {
drv->ops->clear_interrupt(drv);
return IRQ_HANDLED;
}
if (header.p.header_high.part.large) {
size = header.p.header_low_payload;
if (sst_validate_mailbox_size(size)) {
memcpy_fromio(msg->mailbox_data,
drv->mailbox + drv->mailbox_recv_offset, size);
} else {
dev_err(drv->dev,
"Mailbox not copied, payload size is: %u\n", size);
header.p.header_low_payload = 0;
}
}
msg->mrfld_header = header;
msg->is_process_reply =
sst_is_process_reply(header.p.header_high.part.msg_id);
spin_lock(&drv->rx_msg_lock);
list_add_tail(&msg->node, &drv->rx_list);
spin_unlock(&drv->rx_msg_lock);
drv->ops->clear_interrupt(drv);
retval = IRQ_WAKE_THREAD;
}
return retval;
}
static irqreturn_t intel_sst_irq_thread_mrfld(int irq, void *context)
{
struct intel_sst_drv *drv = (struct intel_sst_drv *) context;
struct ipc_post *__msg, *msg;
unsigned long irq_flags;
spin_lock_irqsave(&drv->rx_msg_lock, irq_flags);
if (list_empty(&drv->rx_list)) {
spin_unlock_irqrestore(&drv->rx_msg_lock, irq_flags);
return IRQ_HANDLED;
}
list_for_each_entry_safe(msg, __msg, &drv->rx_list, node) {
list_del(&msg->node);
spin_unlock_irqrestore(&drv->rx_msg_lock, irq_flags);
if (msg->is_process_reply)
drv->ops->process_message(msg);
else
drv->ops->process_reply(drv, msg);
if (msg->is_large)
kfree(msg->mailbox_data);
kfree(msg);
spin_lock_irqsave(&drv->rx_msg_lock, irq_flags);
}
spin_unlock_irqrestore(&drv->rx_msg_lock, irq_flags);
return IRQ_HANDLED;
}
static int sst_save_dsp_context_v2(struct intel_sst_drv *sst)
{
int ret = 0;
ret = sst_prepare_and_post_msg(sst, SST_TASK_ID_MEDIA, IPC_CMD,
IPC_PREP_D3, PIPE_RSVD, 0, NULL, NULL,
true, true, false, true);
if (ret < 0) {
dev_err(sst->dev, "not suspending FW!!, Err: %d\n", ret);
return -EIO;
}
return 0;
}
static struct intel_sst_ops mrfld_ops = {
.interrupt = intel_sst_interrupt_mrfld,
.irq_thread = intel_sst_irq_thread_mrfld,
.clear_interrupt = intel_sst_clear_intr_mrfld,
.start = sst_start_mrfld,
.reset = intel_sst_reset_dsp_mrfld,
.post_message = sst_post_message_mrfld,
.process_reply = sst_process_reply_mrfld,
.save_dsp_context = sst_save_dsp_context_v2,
.alloc_stream = sst_alloc_stream_mrfld,
.post_download = sst_post_download_mrfld,
};
int sst_driver_ops(struct intel_sst_drv *sst)
{
switch (sst->dev_id) {
case PCI_DEVICE_ID_INTEL_SST_TNG:
case PCI_DEVICE_ID_INTEL_SST_BYT:
case PCI_DEVICE_ID_INTEL_SST_BSW:
sst->tstamp = SST_TIME_STAMP_MRFLD;
sst->ops = &mrfld_ops;
return 0;
default:
dev_err(sst->dev,
"SST Driver capabilities missing for dev_id: %x",
sst->dev_id);
return -EINVAL;
}
}
void sst_process_pending_msg(struct work_struct *work)
{
struct intel_sst_drv *ctx = container_of(work,
struct intel_sst_drv, ipc_post_msg_wq);
ctx->ops->post_message(ctx, NULL, false);
}
static int sst_workqueue_init(struct intel_sst_drv *ctx)
{
INIT_LIST_HEAD(&ctx->memcpy_list);
INIT_LIST_HEAD(&ctx->rx_list);
INIT_LIST_HEAD(&ctx->ipc_dispatch_list);
INIT_LIST_HEAD(&ctx->block_list);
INIT_WORK(&ctx->ipc_post_msg_wq, sst_process_pending_msg);
init_waitqueue_head(&ctx->wait_queue);
ctx->post_msg_wq =
create_singlethread_workqueue("sst_post_msg_wq");
if (!ctx->post_msg_wq)
return -EBUSY;
return 0;
}
static void sst_init_locks(struct intel_sst_drv *ctx)
{
mutex_init(&ctx->sst_lock);
spin_lock_init(&ctx->rx_msg_lock);
spin_lock_init(&ctx->ipc_spin_lock);
spin_lock_init(&ctx->block_lock);
}
/*
* Driver handles PCI IDs in ACPI - sst_acpi_probe() - and we are using only
* device ID part. If real ACPI ID appears, the kstrtouint() returns error, so
* we are fine with using unsigned short as dev_id type.
*/
int sst_alloc_drv_context(struct intel_sst_drv **ctx,
struct device *dev, unsigned short dev_id)
{
*ctx = devm_kzalloc(dev, sizeof(struct intel_sst_drv), GFP_KERNEL);
if (!(*ctx))
return -ENOMEM;
(*ctx)->dev = dev;
(*ctx)->dev_id = dev_id;
return 0;
}
EXPORT_SYMBOL_GPL(sst_alloc_drv_context);
static ssize_t firmware_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
if (ctx->fw_version.type == 0 && ctx->fw_version.major == 0 &&
ctx->fw_version.minor == 0 && ctx->fw_version.build == 0)
return sysfs_emit(buf, "FW not yet loaded\n");
else
return sysfs_emit(buf, "v%02x.%02x.%02x.%02x\n",
ctx->fw_version.type, ctx->fw_version.major,
ctx->fw_version.minor, ctx->fw_version.build);
}
static DEVICE_ATTR_RO(firmware_version);
static const struct attribute *sst_fw_version_attrs[] = {
&dev_attr_firmware_version.attr,
NULL,
};
static const struct attribute_group sst_fw_version_attr_group = {
.attrs = (struct attribute **)sst_fw_version_attrs,
};
int sst_context_init(struct intel_sst_drv *ctx)
{
int ret = 0, i;
if (!ctx->pdata)
return -EINVAL;
if (!ctx->pdata->probe_data)
return -EINVAL;
memcpy(&ctx->info, ctx->pdata->probe_data, sizeof(ctx->info));
ret = sst_driver_ops(ctx);
if (ret != 0)
return -EINVAL;
sst_init_locks(ctx);
sst_set_fw_state_locked(ctx, SST_RESET);
/* pvt_id 0 reserved for async messages */
ctx->pvt_id = 1;
ctx->stream_cnt = 0;
ctx->fw_in_mem = NULL;
/* we use memcpy, so set to 0 */
ctx->use_dma = 0;
ctx->use_lli = 0;
if (sst_workqueue_init(ctx))
return -EINVAL;
ctx->mailbox_recv_offset = ctx->pdata->ipc_info->mbox_recv_off;
ctx->ipc_reg.ipcx = SST_IPCX + ctx->pdata->ipc_info->ipc_offset;
ctx->ipc_reg.ipcd = SST_IPCD + ctx->pdata->ipc_info->ipc_offset;
dev_info(ctx->dev, "Got drv data max stream %d\n",
ctx->info.max_streams);
for (i = 1; i <= ctx->info.max_streams; i++) {
struct stream_info *stream = &ctx->streams[i];
memset(stream, 0, sizeof(*stream));
stream->pipe_id = PIPE_RSVD;
mutex_init(&stream->lock);
}
/* Register the ISR */
ret = devm_request_threaded_irq(ctx->dev, ctx->irq_num, ctx->ops->interrupt,
ctx->ops->irq_thread, 0, SST_DRV_NAME,
ctx);
if (ret)
goto do_free_mem;
dev_dbg(ctx->dev, "Registered IRQ %#x\n", ctx->irq_num);
/* default intr are unmasked so set this as masked */
sst_shim_write64(ctx->shim, SST_IMRX, 0xFFFF0038);
ctx->qos = devm_kzalloc(ctx->dev,
sizeof(struct pm_qos_request), GFP_KERNEL);
if (!ctx->qos) {
ret = -ENOMEM;
goto do_free_mem;
}
cpu_latency_qos_add_request(ctx->qos, PM_QOS_DEFAULT_VALUE);
dev_dbg(ctx->dev, "Requesting FW %s now...\n", ctx->firmware_name);
ret = request_firmware_nowait(THIS_MODULE, true, ctx->firmware_name,
ctx->dev, GFP_KERNEL, ctx, sst_firmware_load_cb);
if (ret) {
dev_err(ctx->dev, "Firmware download failed:%d\n", ret);
goto do_free_mem;
}
ret = sysfs_create_group(&ctx->dev->kobj,
&sst_fw_version_attr_group);
if (ret) {
dev_err(ctx->dev,
"Unable to create sysfs\n");
goto err_sysfs;
}
sst_register(ctx->dev);
return 0;
err_sysfs:
sysfs_remove_group(&ctx->dev->kobj, &sst_fw_version_attr_group);
do_free_mem:
destroy_workqueue(ctx->post_msg_wq);
return ret;
}
EXPORT_SYMBOL_GPL(sst_context_init);
void sst_context_cleanup(struct intel_sst_drv *ctx)
{
pm_runtime_get_noresume(ctx->dev);
pm_runtime_disable(ctx->dev);
sst_unregister(ctx->dev);
sst_set_fw_state_locked(ctx, SST_SHUTDOWN);
sysfs_remove_group(&ctx->dev->kobj, &sst_fw_version_attr_group);
destroy_workqueue(ctx->post_msg_wq);
cpu_latency_qos_remove_request(ctx->qos);
kfree(ctx->fw_sg_list.src);
kfree(ctx->fw_sg_list.dst);
ctx->fw_sg_list.list_len = 0;
kfree(ctx->fw_in_mem);
ctx->fw_in_mem = NULL;
sst_memcpy_free_resources(ctx);
}
EXPORT_SYMBOL_GPL(sst_context_cleanup);
void sst_configure_runtime_pm(struct intel_sst_drv *ctx)
{
pm_runtime_set_autosuspend_delay(ctx->dev, SST_SUSPEND_DELAY);
pm_runtime_use_autosuspend(ctx->dev);
/*
* For acpi devices, the actual physical device state is
* initially active. So change the state to active before
* enabling the pm
*/
if (!acpi_disabled)
pm_runtime_set_active(ctx->dev);
pm_runtime_enable(ctx->dev);
if (acpi_disabled)
pm_runtime_set_active(ctx->dev);
else
pm_runtime_put_noidle(ctx->dev);
}
EXPORT_SYMBOL_GPL(sst_configure_runtime_pm);
static int intel_sst_runtime_suspend(struct device *dev)
{
int ret = 0;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
if (ctx->sst_state == SST_RESET) {
dev_dbg(dev, "LPE is already in RESET state, No action\n");
return 0;
}
/* save fw context */
if (ctx->ops->save_dsp_context(ctx))
return -EBUSY;
/* Move the SST state to Reset */
sst_set_fw_state_locked(ctx, SST_RESET);
synchronize_irq(ctx->irq_num);
flush_workqueue(ctx->post_msg_wq);
ctx->ops->reset(ctx);
return ret;
}
static int intel_sst_suspend(struct device *dev)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
struct sst_fw_save *fw_save;
int i, ret;
/* check first if we are already in SW reset */
if (ctx->sst_state == SST_RESET)
return 0;
/*
* check if any stream is active and running
* they should already by suspend by soc_suspend
*/
for (i = 1; i <= ctx->info.max_streams; i++) {
struct stream_info *stream = &ctx->streams[i];
if (stream->status == STREAM_RUNNING) {
dev_err(dev, "stream %d is running, can't suspend, abort\n", i);
return -EBUSY;
}
if (ctx->pdata->streams_lost_on_suspend) {
stream->resume_status = stream->status;
stream->resume_prev = stream->prev;
if (stream->status != STREAM_UN_INIT)
sst_free_stream(ctx, i);
}
}
synchronize_irq(ctx->irq_num);
flush_workqueue(ctx->post_msg_wq);
/* Move the SST state to Reset */
sst_set_fw_state_locked(ctx, SST_RESET);
/* tell DSP we are suspending */
if (ctx->ops->save_dsp_context(ctx))
return -EBUSY;
/* save the memories */
fw_save = kzalloc_obj(*fw_save);
if (!fw_save)
return -ENOMEM;
fw_save->iram = kvzalloc(ctx->iram_end - ctx->iram_base, GFP_KERNEL);
if (!fw_save->iram) {
ret = -ENOMEM;
goto iram;
}
fw_save->dram = kvzalloc(ctx->dram_end - ctx->dram_base, GFP_KERNEL);
if (!fw_save->dram) {
ret = -ENOMEM;
goto dram;
}
fw_save->sram = kvzalloc(SST_MAILBOX_SIZE, GFP_KERNEL);
if (!fw_save->sram) {
ret = -ENOMEM;
goto sram;
}
fw_save->ddr = kvzalloc(ctx->ddr_end - ctx->ddr_base, GFP_KERNEL);
if (!fw_save->ddr) {
ret = -ENOMEM;
goto ddr;
}
memcpy32_fromio(fw_save->iram, ctx->iram, ctx->iram_end - ctx->iram_base);
memcpy32_fromio(fw_save->dram, ctx->dram, ctx->dram_end - ctx->dram_base);
memcpy32_fromio(fw_save->sram, ctx->mailbox, SST_MAILBOX_SIZE);
memcpy32_fromio(fw_save->ddr, ctx->ddr, ctx->ddr_end - ctx->ddr_base);
ctx->fw_save = fw_save;
ctx->ops->reset(ctx);
return 0;
ddr:
kvfree(fw_save->sram);
sram:
kvfree(fw_save->dram);
dram:
kvfree(fw_save->iram);
iram:
kfree(fw_save);
return ret;
}
static int intel_sst_resume(struct device *dev)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
struct sst_fw_save *fw_save = ctx->fw_save;
struct sst_block *block;
int i, ret = 0;
if (!fw_save)
return 0;
sst_set_fw_state_locked(ctx, SST_FW_LOADING);
/* we have to restore the memory saved */
ctx->ops->reset(ctx);
ctx->fw_save = NULL;
memcpy32_toio(ctx->iram, fw_save->iram, ctx->iram_end - ctx->iram_base);
memcpy32_toio(ctx->dram, fw_save->dram, ctx->dram_end - ctx->dram_base);
memcpy32_toio(ctx->mailbox, fw_save->sram, SST_MAILBOX_SIZE);
memcpy32_toio(ctx->ddr, fw_save->ddr, ctx->ddr_end - ctx->ddr_base);
kvfree(fw_save->sram);
kvfree(fw_save->dram);
kvfree(fw_save->iram);
kvfree(fw_save->ddr);
kfree(fw_save);
block = sst_create_block(ctx, 0, FW_DWNL_ID);
if (block == NULL)
return -ENOMEM;
/* start and wait for ack */
ctx->ops->start(ctx);
ret = sst_wait_timeout(ctx, block);
if (ret) {
dev_err(ctx->dev, "fw download failed %d\n", ret);
/* FW download failed due to timeout */
ret = -EBUSY;
} else {
sst_set_fw_state_locked(ctx, SST_FW_RUNNING);
}
if (ctx->pdata->streams_lost_on_suspend) {
for (i = 1; i <= ctx->info.max_streams; i++) {
struct stream_info *stream = &ctx->streams[i];
if (stream->resume_status != STREAM_UN_INIT) {
dev_dbg(ctx->dev, "Re-allocing stream %d status %d prev %d\n",
i, stream->resume_status,
stream->resume_prev);
sst_realloc_stream(ctx, i);
stream->status = stream->resume_status;
stream->prev = stream->resume_prev;
}
}
}
sst_free_block(ctx, block);
return ret;
}
const struct dev_pm_ops intel_sst_pm = {
.suspend = intel_sst_suspend,
.resume = intel_sst_resume,
.runtime_suspend = intel_sst_runtime_suspend,
};
EXPORT_SYMBOL_GPL(intel_sst_pm);
linux-7.2.3/sound/soc/intel/atom/sst/sst.h
+524
View File
@@ -0,0 +1,524 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* sst.h - Intel SST Driver for audio engine
*
* Copyright (C) 2008-14 Intel Corporation
* Authors: Vinod Koul <vinod.koul@intel.com>
* Harsha Priya <priya.harsha@intel.com>
* Dharageswari R <dharageswari.r@intel.com>
* KP Jeeja <jeeja.kp@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* Common private declarations for SST
*/
#ifndef __SST_H__
#define __SST_H__
#include <linux/firmware.h>
/* driver names */
#define SST_DRV_NAME "intel_sst_driver"
#define SST_SUSPEND_DELAY 2000
#define FW_CONTEXT_MEM (64*1024)
#define SST_ICCM_BOUNDARY 4
#define SST_CONFIG_SSP_SIGN 0x7ffe8001
#define MRFLD_FW_VIRTUAL_BASE 0xC0000000
#define MRFLD_FW_DDR_BASE_OFFSET 0x0
#define MRFLD_FW_FEATURE_BASE_OFFSET 0x4
#define MRFLD_FW_BSS_RESET_BIT 0
/* SST Shim register map */
#define SST_CSR 0x00
#define SST_ISRX 0x18
#define SST_IMRX 0x28
#define SST_IPCX 0x38 /* IPC IA -> SST */
#define SST_IPCD 0x40 /* IPC SST -> IA */
extern const struct dev_pm_ops intel_sst_pm;
enum sst_states {
SST_FW_LOADING = 1,
SST_FW_RUNNING,
SST_RESET,
SST_SHUTDOWN,
};
enum sst_algo_ops {
SST_SET_ALGO = 0,
SST_GET_ALGO = 1,
};
#define SST_BLOCK_TIMEOUT 1000
#define FW_SIGNATURE_SIZE 4
#define FW_NAME_SIZE 32
/* stream states */
enum sst_stream_states {
STREAM_UN_INIT = 0, /* Freed/Not used stream */
STREAM_RUNNING = 1, /* Running */
STREAM_PAUSED = 2, /* Paused stream */
STREAM_INIT = 3, /* stream init, waiting for data */
};
enum sst_ram_type {
SST_IRAM = 1,
SST_DRAM = 2,
SST_DDR = 5,
SST_CUSTOM_INFO = 7, /* consists of FW binary information */
};
/* SST shim registers to structure mapping */
union interrupt_reg {
struct {
u64 done_interrupt:1;
u64 busy_interrupt:1;
u64 rsvd:62;
} part;
u64 full;
};
union sst_pisr_reg {
struct {
u32 pssp0:1;
u32 pssp1:1;
u32 rsvd0:3;
u32 dmac:1;
u32 rsvd1:26;
} part;
u32 full;
};
union sst_pimr_reg {
struct {
u32 ssp0:1;
u32 ssp1:1;
u32 rsvd0:3;
u32 dmac:1;
u32 rsvd1:10;
u32 ssp0_sc:1;
u32 ssp1_sc:1;
u32 rsvd2:3;
u32 dmac_sc:1;
u32 rsvd3:10;
} part;
u32 full;
};
union config_status_reg_mrfld {
struct {
u64 lpe_reset:1;
u64 lpe_reset_vector:1;
u64 runstall:1;
u64 pwaitmode:1;
u64 clk_sel:3;
u64 rsvd2:1;
u64 sst_clk:3;
u64 xt_snoop:1;
u64 rsvd3:4;
u64 clk_sel1:6;
u64 clk_enable:3;
u64 rsvd4:6;
u64 slim0baseclk:1;
u64 rsvd:32;
} part;
u64 full;
};
union interrupt_reg_mrfld {
struct {
u64 done_interrupt:1;
u64 busy_interrupt:1;
u64 rsvd:62;
} part;
u64 full;
};
union sst_imr_reg_mrfld {
struct {
u64 done_interrupt:1;
u64 busy_interrupt:1;
u64 rsvd:62;
} part;
u64 full;
};
/**
* struct sst_block - This structure is used to block a user/fw data call to another
* fw/user call
*
* @condition: condition for blocking check
* @ret_code: ret code when block is released
* @data: data ptr
* @size: size of data
* @on: block condition
* @msg_id: msg_id = msgid in mfld/ctp, mrfld = NULL
* @drv_id: str_id in mfld/ctp, = drv_id in mrfld
* @node: list head node
*/
struct sst_block {
bool condition;
int ret_code;
void *data;
u32 size;
bool on;
u32 msg_id;
u32 drv_id;
struct list_head node;
};
/**
* struct stream_info - structure that holds the stream information
*
* @status : stream current state
* @prev : stream prev state
* @resume_status : stream current state to restore on resume
* @resume_prev : stream prev state to restore on resume
* @lock : stream mutex for protecting state
* @alloc_param : parameters used for stream (re-)allocation
* @pcm_substream : PCM substream
* @period_elapsed : PCM period elapsed callback
* @sfreq : stream sampling freq
* @cumm_bytes : cummulative bytes decoded
*/
struct stream_info {
unsigned int status;
unsigned int prev;
unsigned int resume_status;
unsigned int resume_prev;
struct mutex lock;
struct snd_sst_alloc_mrfld alloc_param;
void *pcm_substream;
void (*period_elapsed)(void *pcm_substream);
unsigned int sfreq;
u32 cumm_bytes;
void *compr_cb_param;
void (*compr_cb)(void *compr_cb_param);
void *drain_cb_param;
void (*drain_notify)(void *drain_cb_param);
unsigned int num_ch;
unsigned int pipe_id;
unsigned int task_id;
};
#define SST_FW_SIGN "$SST"
#define SST_FW_LIB_SIGN "$LIB"
/**
* struct sst_fw_header - FW file headers
*
* @signature : FW signature
* @file_size: size of fw image
* @modules : # of modules
* @file_format : version of header format
* @reserved : reserved fields
*/
struct sst_fw_header {
unsigned char signature[FW_SIGNATURE_SIZE];
u32 file_size;
u32 modules;
u32 file_format;
u32 reserved[4];
};
/**
* struct fw_module_header - module header in FW
*
* @signature: module signature
* @mod_size: size of module
* @blocks: block count
* @type: block type
* @entry_point: module netry point
*/
struct fw_module_header {
unsigned char signature[FW_SIGNATURE_SIZE];
u32 mod_size;
u32 blocks;
u32 type;
u32 entry_point;
};
/**
* struct fw_block_info - block header for FW
*
* @type: block ram type I/D
* @size: size of block
* @ram_offset: offset in ram
*/
struct fw_block_info {
enum sst_ram_type type;
u32 size;
u32 ram_offset;
u32 rsvd;
};
struct sst_runtime_param {
struct snd_sst_runtime_params param;
};
struct sst_sg_list {
struct scatterlist *src;
struct scatterlist *dst;
int list_len;
unsigned int sg_idx;
};
struct sst_memcpy_list {
struct list_head memcpylist;
void *dstn;
const void *src;
u32 size;
bool is_io;
};
/*Firmware Module Information*/
enum sst_lib_dwnld_status {
SST_LIB_NOT_FOUND = 0,
SST_LIB_FOUND,
SST_LIB_DOWNLOADED,
};
struct sst_module_info {
const char *name; /*Library name*/
u32 id; /*Module ID*/
u32 entry_pt; /*Module entry point*/
u8 status; /*module status*/
u8 rsvd1;
u16 rsvd2;
};
/*
* Structure for managing the Library Region(1.5MB)
* in DDR in Merrifield
*/
struct sst_mem_mgr {
phys_addr_t current_base;
int avail;
unsigned int count;
};
struct sst_ipc_reg {
int ipcx;
int ipcd;
};
struct sst_fw_save {
void *iram; /* allocated via kvmalloc() */
void *dram; /* allocated via kvmalloc() */
void *sram; /* allocated via kvmalloc() */
void *ddr; /* allocated via kvmalloc() */
};
/**
* struct intel_sst_drv - driver ops
*
* @sst_state : current sst device state
* @dev_id : device identifier, pci_id for pci devices and acpi_id for acpi
* devices
* @shim : SST shim pointer
* @mailbox : SST mailbox pointer
* @iram : SST IRAM pointer
* @dram : SST DRAM pointer
* @pdata : SST info passed as a part of pci platform data
* @shim_phy_add : SST shim phy addr
* @ipc_dispatch_list : ipc messages dispatched
* @rx_list : to copy the process_reply/process_msg from DSP
* @ipc_post_msg_wq : wq to post IPC messages context
* @mad_ops : MAD driver operations registered
* @mad_wq : MAD driver wq
* @post_msg_wq : wq to post IPC messages
* @streams : sst stream contexts
* @list_lock : sst driver list lock (deprecated)
* @ipc_spin_lock : spin lock to handle audio shim access and ipc queue
* @block_lock : spin lock to add block to block_list and assign pvt_id
* @rx_msg_lock : spin lock to handle the rx messages from the DSP
* @scard_ops : sst card ops
* @pci : sst pci device struture
* @dev : pointer to current device struct
* @sst_lock : sst device lock
* @pvt_id : sst private id
* @stream_cnt : total sst active stream count
* @pb_streams : total active pb streams
* @cp_streams : total active cp streams
* @audio_start : audio status
* @qos : PM Qos struct
* firmware_name : Firmware / Library name
*/
struct intel_sst_drv {
int sst_state;
int irq_num;
unsigned short dev_id;
void __iomem *ddr;
void __iomem *shim;
void __iomem *mailbox;
void __iomem *iram;
void __iomem *dram;
unsigned int mailbox_add;
unsigned int iram_base;
unsigned int dram_base;
unsigned int shim_phy_add;
unsigned int iram_end;
unsigned int dram_end;
unsigned int ddr_end;
unsigned int ddr_base;
unsigned int mailbox_recv_offset;
struct list_head block_list;
struct list_head ipc_dispatch_list;
struct sst_platform_info *pdata;
struct list_head rx_list;
struct work_struct ipc_post_msg_wq;
wait_queue_head_t wait_queue;
struct workqueue_struct *post_msg_wq;
unsigned int tstamp;
/* str_id 0 is not used */
struct stream_info streams[MAX_NUM_STREAMS+1];
spinlock_t ipc_spin_lock;
spinlock_t block_lock;
spinlock_t rx_msg_lock;
struct pci_dev *pci;
struct device *dev;
volatile long unsigned pvt_id;
struct mutex sst_lock;
unsigned int stream_cnt;
unsigned int csr_value;
void *fw_in_mem;
struct sst_sg_list fw_sg_list, library_list;
struct intel_sst_ops *ops;
struct sst_info info;
struct pm_qos_request *qos;
unsigned int use_dma;
unsigned int use_lli;
atomic_t fw_clear_context;
bool lib_dwnld_reqd;
struct list_head memcpy_list;
struct sst_ipc_reg ipc_reg;
struct sst_mem_mgr lib_mem_mgr;
/*
* Holder for firmware name. Due to async call it needs to be
* persistent till worker thread gets called
*/
char firmware_name[FW_NAME_SIZE];
struct snd_sst_fw_version fw_version;
struct sst_fw_save *fw_save;
};
/* misc definitions */
#define FW_DWNL_ID 0x01
struct intel_sst_ops {
irqreturn_t (*interrupt)(int, void *);
irqreturn_t (*irq_thread)(int, void *);
void (*clear_interrupt)(struct intel_sst_drv *ctx);
int (*start)(struct intel_sst_drv *ctx);
int (*reset)(struct intel_sst_drv *ctx);
void (*process_reply)(struct intel_sst_drv *ctx, struct ipc_post *msg);
int (*post_message)(struct intel_sst_drv *ctx,
struct ipc_post *msg, bool sync);
void (*process_message)(struct ipc_post *msg);
void (*set_bypass)(bool set);
int (*save_dsp_context)(struct intel_sst_drv *sst);
void (*restore_dsp_context)(void);
int (*alloc_stream)(struct intel_sst_drv *ctx, void *params);
void (*post_download)(struct intel_sst_drv *sst);
};
int sst_realloc_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
int sst_free_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
int sst_start_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx,
struct snd_sst_bytes_v2 *bytes);
int sst_set_stream_param(int str_id, struct snd_sst_params *str_param);
int sst_set_metadata(int str_id, char *params);
int sst_get_stream(struct intel_sst_drv *ctx,
struct snd_sst_params *str_param);
int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx,
int str_id, bool partial_drain);
int sst_post_message_mrfld(struct intel_sst_drv *sst_drv_ctx,
struct ipc_post *ipc_msg, bool sync);
void sst_process_reply_mrfld(struct intel_sst_drv *sst_drv_ctx, struct ipc_post *msg);
int sst_start_mrfld(struct intel_sst_drv *sst_drv_ctx);
int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *sst_drv_ctx);
void intel_sst_clear_intr_mrfld(struct intel_sst_drv *sst_drv_ctx);
int sst_load_fw(struct intel_sst_drv *sst_drv_ctx);
int sst_load_library(struct snd_sst_lib_download *lib, u8 ops);
void sst_post_download_mrfld(struct intel_sst_drv *ctx);
int sst_get_block_stream(struct intel_sst_drv *sst_drv_ctx);
void sst_memcpy_free_resources(struct intel_sst_drv *sst_drv_ctx);
int sst_wait_timeout(struct intel_sst_drv *sst_drv_ctx,
struct sst_block *block);
int sst_create_ipc_msg(struct ipc_post **arg, bool large);
int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id);
void sst_clean_stream(struct stream_info *stream);
int intel_sst_register_compress(struct intel_sst_drv *sst);
int intel_sst_remove_compress(struct intel_sst_drv *sst);
int sst_send_sync_msg(int ipc, int str_id);
int sst_get_num_channel(struct snd_sst_params *str_param);
int sst_get_sfreq(struct snd_sst_params *str_param);
int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params);
void sst_restore_fw_context(void);
struct sst_block *sst_create_block(struct intel_sst_drv *ctx,
u32 msg_id, u32 drv_id);
int sst_create_block_and_ipc_msg(struct ipc_post **arg, bool large,
struct intel_sst_drv *sst_drv_ctx, struct sst_block **block,
u32 msg_id, u32 drv_id);
int sst_free_block(struct intel_sst_drv *ctx, struct sst_block *freed);
int sst_wake_up_block(struct intel_sst_drv *ctx, int result,
u32 drv_id, u32 ipc, void *data, u32 size);
int sst_request_firmware_async(struct intel_sst_drv *ctx);
int sst_driver_ops(struct intel_sst_drv *sst);
struct sst_platform_info *sst_get_acpi_driver_data(const char *hid);
void sst_firmware_load_cb(const struct firmware *fw, void *context);
int sst_prepare_and_post_msg(struct intel_sst_drv *sst,
int task_id, int ipc_msg, int cmd_id, int pipe_id,
size_t mbox_data_len, const void *mbox_data, void **data,
bool large, bool fill_dsp, bool sync, bool response);
void sst_process_pending_msg(struct work_struct *work);
int sst_assign_pvt_id(struct intel_sst_drv *drv);
int sst_validate_strid(struct intel_sst_drv *sst_drv_ctx, int str_id);
struct stream_info *get_stream_info(struct intel_sst_drv *sst_drv_ctx,
int str_id);
int get_stream_id_mrfld(struct intel_sst_drv *sst_drv_ctx,
u32 pipe_id);
u32 relocate_imr_addr_mrfld(u32 base_addr);
void sst_add_to_dispatch_list_and_post(struct intel_sst_drv *sst,
struct ipc_post *msg);
int sst_pm_runtime_put(struct intel_sst_drv *sst_drv);
int sst_shim_write(void __iomem *addr, int offset, int value);
u32 sst_shim_read(void __iomem *addr, int offset);
u64 sst_reg_read64(void __iomem *addr, int offset);
int sst_shim_write64(void __iomem *addr, int offset, u64 value);
u64 sst_shim_read64(void __iomem *addr, int offset);
void sst_set_fw_state_locked(
struct intel_sst_drv *sst_drv_ctx, int sst_state);
void sst_fill_header_mrfld(union ipc_header_mrfld *header,
int msg, int task_id, int large, int drv_id);
void sst_fill_header_dsp(struct ipc_dsp_hdr *dsp, int msg,
int pipe_id, int len);
int sst_register(struct device *);
int sst_unregister(struct device *);
int sst_alloc_drv_context(struct intel_sst_drv **ctx,
struct device *dev, unsigned short dev_id);
int sst_context_init(struct intel_sst_drv *ctx);
void sst_context_cleanup(struct intel_sst_drv *ctx);
void sst_configure_runtime_pm(struct intel_sst_drv *ctx);
void memcpy32_toio(void __iomem *dst, const void *src, int count);
void memcpy32_fromio(void *dst, const void __iomem *src, int count);
#endif
linux-7.2.3/sound/soc/intel/atom/sst/sst_acpi.c
+417
View File
@@ -0,0 +1,417 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_acpi.c - SST (LPE) driver init file for ACPI enumeration.
*
* Copyright (c) 2013, Intel Corporation.
*
* Authors: Ramesh Babu K V <Ramesh.Babu@intel.com>
* Authors: Omair Mohammed Abdullah <omair.m.abdullah@intel.com>
*/
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/firmware.h>
#include <linux/pm_qos.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <asm/platform_sst_audio.h>
#include <sound/core.h>
#include <sound/intel-dsp-config.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
#include <acpi/acbuffer.h>
#include <acpi/platform/acenv.h>
#include <acpi/platform/aclinux.h>
#include <acpi/actypes.h>
#include <acpi/acpi_bus.h>
#include <sound/soc-acpi.h>
#include <sound/soc-acpi-intel-match.h>
#include "../sst-mfld-platform.h"
#include "../../common/soc-intel-quirks.h"
#include "sst.h"
/* LPE viewpoint addresses */
#define SST_BYT_IRAM_PHY_START 0xff2c0000
#define SST_BYT_IRAM_PHY_END 0xff2d4000
#define SST_BYT_DRAM_PHY_START 0xff300000
#define SST_BYT_DRAM_PHY_END 0xff320000
#define SST_BYT_IMR_VIRT_START 0xc0000000 /* virtual addr in LPE */
#define SST_BYT_IMR_VIRT_END 0xc01fffff
#define SST_BYT_SHIM_PHY_ADDR 0xff340000
#define SST_BYT_MBOX_PHY_ADDR 0xff344000
#define SST_BYT_DMA0_PHY_ADDR 0xff298000
#define SST_BYT_DMA1_PHY_ADDR 0xff29c000
#define SST_BYT_SSP0_PHY_ADDR 0xff2a0000
#define SST_BYT_SSP2_PHY_ADDR 0xff2a2000
#define BYT_FW_MOD_TABLE_OFFSET 0x80000
#define BYT_FW_MOD_TABLE_SIZE 0x100
#define BYT_FW_MOD_OFFSET (BYT_FW_MOD_TABLE_OFFSET + BYT_FW_MOD_TABLE_SIZE)
static const struct sst_info byt_fwparse_info = {
.use_elf = false,
.max_streams = 25,
.iram_start = SST_BYT_IRAM_PHY_START,
.iram_end = SST_BYT_IRAM_PHY_END,
.iram_use = true,
.dram_start = SST_BYT_DRAM_PHY_START,
.dram_end = SST_BYT_DRAM_PHY_END,
.dram_use = true,
.imr_start = SST_BYT_IMR_VIRT_START,
.imr_end = SST_BYT_IMR_VIRT_END,
.imr_use = true,
.mailbox_start = SST_BYT_MBOX_PHY_ADDR,
.num_probes = 0,
.lpe_viewpt_rqd = true,
};
static const struct sst_ipc_info byt_ipc_info = {
.ipc_offset = 0,
.mbox_recv_off = 0x400,
};
static const struct sst_lib_dnld_info byt_lib_dnld_info = {
.mod_base = SST_BYT_IMR_VIRT_START,
.mod_end = SST_BYT_IMR_VIRT_END,
.mod_table_offset = BYT_FW_MOD_TABLE_OFFSET,
.mod_table_size = BYT_FW_MOD_TABLE_SIZE,
.mod_ddr_dnld = false,
};
static const struct sst_res_info byt_rvp_res_info = {
.shim_offset = 0x140000,
.shim_size = 0x000100,
.shim_phy_addr = SST_BYT_SHIM_PHY_ADDR,
.ssp0_offset = 0xa0000,
.ssp0_size = 0x1000,
.dma0_offset = 0x98000,
.dma0_size = 0x4000,
.dma1_offset = 0x9c000,
.dma1_size = 0x4000,
.iram_offset = 0x0c0000,
.iram_size = 0x14000,
.dram_offset = 0x100000,
.dram_size = 0x28000,
.mbox_offset = 0x144000,
.mbox_size = 0x1000,
.acpi_lpe_res_index = 0,
.acpi_ddr_index = 2,
.acpi_ipc_irq_index = 5,
};
/* BYTCR has different BIOS from BYT */
static const struct sst_res_info bytcr_res_info = {
.shim_offset = 0x140000,
.shim_size = 0x000100,
.shim_phy_addr = SST_BYT_SHIM_PHY_ADDR,
.ssp0_offset = 0xa0000,
.ssp0_size = 0x1000,
.dma0_offset = 0x98000,
.dma0_size = 0x4000,
.dma1_offset = 0x9c000,
.dma1_size = 0x4000,
.iram_offset = 0x0c0000,
.iram_size = 0x14000,
.dram_offset = 0x100000,
.dram_size = 0x28000,
.mbox_offset = 0x144000,
.mbox_size = 0x1000,
.acpi_lpe_res_index = 0,
.acpi_ddr_index = 2,
.acpi_ipc_irq_index = 0
};
/* For "LPE0F28" ACPI device found on some Android factory OS models */
static const struct sst_res_info lpe8086_res_info = {
.shim_offset = 0x140000,
.shim_size = 0x000100,
.shim_phy_addr = SST_BYT_SHIM_PHY_ADDR,
.ssp0_offset = 0xa0000,
.ssp0_size = 0x1000,
.dma0_offset = 0x98000,
.dma0_size = 0x4000,
.dma1_offset = 0x9c000,
.dma1_size = 0x4000,
.iram_offset = 0x0c0000,
.iram_size = 0x14000,
.dram_offset = 0x100000,
.dram_size = 0x28000,
.mbox_offset = 0x144000,
.mbox_size = 0x1000,
.acpi_lpe_res_index = 1,
.acpi_ddr_index = 0,
.acpi_ipc_irq_index = 0
};
static struct sst_platform_info byt_rvp_platform_data = {
.probe_data = &byt_fwparse_info,
.ipc_info = &byt_ipc_info,
.lib_info = &byt_lib_dnld_info,
.res_info = &byt_rvp_res_info,
.platform = "sst-mfld-platform",
.streams_lost_on_suspend = true,
};
/* Cherryview (Cherrytrail and Braswell) uses same mrfld dpcm fw as Baytrail,
* so pdata is same as Baytrail, minus the streams_lost_on_suspend quirk.
*/
static struct sst_platform_info chv_platform_data = {
.probe_data = &byt_fwparse_info,
.ipc_info = &byt_ipc_info,
.lib_info = &byt_lib_dnld_info,
.res_info = &byt_rvp_res_info,
.platform = "sst-mfld-platform",
};
static int sst_platform_get_resources(struct intel_sst_drv *ctx)
{
struct resource *rsrc;
struct platform_device *pdev = to_platform_device(ctx->dev);
/* All ACPI resource request here */
/* Get Shim addr */
rsrc = platform_get_resource(pdev, IORESOURCE_MEM,
ctx->pdata->res_info->acpi_lpe_res_index);
if (!rsrc) {
dev_err(ctx->dev, "Invalid SHIM base from IFWI\n");
return -EIO;
}
dev_info(ctx->dev, "LPE base: %#x size:%#x", (unsigned int) rsrc->start,
(unsigned int)resource_size(rsrc));
ctx->iram_base = rsrc->start + ctx->pdata->res_info->iram_offset;
ctx->iram_end = ctx->iram_base + ctx->pdata->res_info->iram_size - 1;
dev_info(ctx->dev, "IRAM base: %#x", ctx->iram_base);
ctx->iram = devm_ioremap(ctx->dev, ctx->iram_base,
ctx->pdata->res_info->iram_size);
if (!ctx->iram) {
dev_err(ctx->dev, "unable to map IRAM\n");
return -EIO;
}
ctx->dram_base = rsrc->start + ctx->pdata->res_info->dram_offset;
ctx->dram_end = ctx->dram_base + ctx->pdata->res_info->dram_size - 1;
dev_info(ctx->dev, "DRAM base: %#x", ctx->dram_base);
ctx->dram = devm_ioremap(ctx->dev, ctx->dram_base,
ctx->pdata->res_info->dram_size);
if (!ctx->dram) {
dev_err(ctx->dev, "unable to map DRAM\n");
return -EIO;
}
ctx->shim_phy_add = rsrc->start + ctx->pdata->res_info->shim_offset;
dev_info(ctx->dev, "SHIM base: %#x", ctx->shim_phy_add);
ctx->shim = devm_ioremap(ctx->dev, ctx->shim_phy_add,
ctx->pdata->res_info->shim_size);
if (!ctx->shim) {
dev_err(ctx->dev, "unable to map SHIM\n");
return -EIO;
}
/* reassign physical address to LPE viewpoint address */
ctx->shim_phy_add = ctx->pdata->res_info->shim_phy_addr;
/* Get mailbox addr */
ctx->mailbox_add = rsrc->start + ctx->pdata->res_info->mbox_offset;
dev_info(ctx->dev, "Mailbox base: %#x", ctx->mailbox_add);
ctx->mailbox = devm_ioremap(ctx->dev, ctx->mailbox_add,
ctx->pdata->res_info->mbox_size);
if (!ctx->mailbox) {
dev_err(ctx->dev, "unable to map mailbox\n");
return -EIO;
}
/* reassign physical address to LPE viewpoint address */
ctx->mailbox_add = ctx->info.mailbox_start;
rsrc = platform_get_resource(pdev, IORESOURCE_MEM,
ctx->pdata->res_info->acpi_ddr_index);
if (!rsrc) {
dev_err(ctx->dev, "Invalid DDR base from IFWI\n");
return -EIO;
}
ctx->ddr_base = rsrc->start;
ctx->ddr_end = rsrc->end;
dev_info(ctx->dev, "DDR base: %#x", ctx->ddr_base);
ctx->ddr = devm_ioremap(ctx->dev, ctx->ddr_base,
resource_size(rsrc));
if (!ctx->ddr) {
dev_err(ctx->dev, "unable to map DDR\n");
return -EIO;
}
/* Find the IRQ */
ctx->irq_num = platform_get_irq(pdev,
ctx->pdata->res_info->acpi_ipc_irq_index);
if (ctx->irq_num <= 0)
return ctx->irq_num < 0 ? ctx->irq_num : -EIO;
return 0;
}
static int sst_acpi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
int ret = 0;
struct intel_sst_drv *ctx;
const struct acpi_device_id *id;
struct snd_soc_acpi_mach *mach;
struct platform_device *mdev;
struct platform_device *plat_dev;
struct sst_platform_info *pdata;
unsigned int dev_id;
id = acpi_match_device(dev->driver->acpi_match_table, dev);
if (!id)
return -ENODEV;
ret = snd_intel_acpi_dsp_driver_probe(dev, id->id);
if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SST) {
dev_dbg(dev, "SST ACPI driver not selected, aborting probe\n");
return -ENODEV;
}
dev_dbg(dev, "for %s\n", id->id);
mach = (struct snd_soc_acpi_mach *)id->driver_data;
mach = snd_soc_acpi_find_machine(mach);
if (mach == NULL) {
dev_err(dev, "No matching machine driver found\n");
return -ENODEV;
}
if (soc_intel_is_byt())
mach->pdata = &byt_rvp_platform_data;
else
mach->pdata = &chv_platform_data;
pdata = mach->pdata;
if (!strcmp(id->id, "LPE0F28")) {
struct resource *rsrc;
/* Use regular BYT SST PCI VID:PID */
dev_id = 0x80860F28;
byt_rvp_platform_data.res_info = &lpe8086_res_info;
/*
* The "LPE0F28" ACPI device has separate IO-mem resources for:
* DDR, SHIM, MBOX, IRAM, DRAM, CFG
* None of which covers the entire LPE base address range.
* lpe8086_res_info.acpi_lpe_res_index points to the SHIM.
* Patch this to cover the entire base address range as expected
* by sst_platform_get_resources().
*/
rsrc = platform_get_resource(pdev, IORESOURCE_MEM,
pdata->res_info->acpi_lpe_res_index);
if (!rsrc) {
dev_err(dev, "Invalid SHIM base\n");
return -EIO;
}
rsrc->start -= pdata->res_info->shim_offset;
rsrc->end = rsrc->start + 0x200000 - 1;
} else {
ret = kstrtouint(id->id, 16, &dev_id);
if (ret < 0) {
dev_err(dev, "Unique device id conversion error: %d\n", ret);
return ret;
}
if (soc_intel_is_byt_cr(pdev))
byt_rvp_platform_data.res_info = &bytcr_res_info;
}
dev_dbg(dev, "ACPI device id: %x\n", dev_id);
ret = sst_alloc_drv_context(&ctx, dev, dev_id);
if (ret < 0)
return ret;
/* update machine parameters */
mach->mach_params.acpi_ipc_irq_index =
pdata->res_info->acpi_ipc_irq_index;
plat_dev = platform_device_register_data(dev, pdata->platform, -1,
NULL, 0);
if (IS_ERR(plat_dev)) {
dev_err(dev, "Failed to create machine device: %s\n",
pdata->platform);
return PTR_ERR(plat_dev);
}
/*
* Create platform device for sst machine driver,
* pass machine info as pdata
*/
mdev = platform_device_register_data(dev, mach->drv_name, -1,
(const void *)mach, sizeof(*mach));
if (IS_ERR(mdev)) {
dev_err(dev, "Failed to create machine device: %s\n",
mach->drv_name);
return PTR_ERR(mdev);
}
/* Fill sst platform data */
ctx->pdata = pdata;
strscpy(ctx->firmware_name, mach->fw_filename);
ret = sst_platform_get_resources(ctx);
if (ret)
return ret;
ret = sst_context_init(ctx);
if (ret < 0)
return ret;
sst_configure_runtime_pm(ctx);
platform_set_drvdata(pdev, ctx);
return ret;
}
/**
* sst_acpi_remove - remove function
*
* @pdev: platform device structure
*
* This function is called by OS when a device is unloaded
* This frees the interrupt etc
*/
static void sst_acpi_remove(struct platform_device *pdev)
{
struct intel_sst_drv *ctx;
ctx = platform_get_drvdata(pdev);
sst_context_cleanup(ctx);
platform_set_drvdata(pdev, NULL);
}
static const struct acpi_device_id sst_acpi_ids[] = {
{ "LPE0F28", (unsigned long)&snd_soc_acpi_intel_baytrail_machines},
{ "80860F28", (unsigned long)&snd_soc_acpi_intel_baytrail_machines},
{ "808622A8", (unsigned long)&snd_soc_acpi_intel_cherrytrail_machines},
{ },
};
MODULE_DEVICE_TABLE(acpi, sst_acpi_ids);
static struct platform_driver sst_acpi_driver = {
.driver = {
.name = "intel_sst_acpi",
.acpi_match_table = ACPI_PTR(sst_acpi_ids),
.pm = &intel_sst_pm,
},
.probe = sst_acpi_probe,
.remove = sst_acpi_remove,
};
module_platform_driver(sst_acpi_driver);
MODULE_DESCRIPTION("Intel (R) SST(R) Audio Engine ACPI Driver");
MODULE_AUTHOR("Ramesh Babu K V");
MODULE_AUTHOR("Omair Mohammed Abdullah");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("sst");
linux-7.2.3/sound/soc/intel/atom/sst/sst_drv_interface.c
+689
View File
@@ -0,0 +1,689 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_drv_interface.c - Intel SST Driver for audio engine
*
* Copyright (C) 2008-14 Intel Corp
* Authors: Vinod Koul <vinod.koul@intel.com>
* Harsha Priya <priya.harsha@intel.com>
* Dharageswari R <dharageswari.r@intel.com)
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/fs.h>
#include <linux/firmware.h>
#include <linux/pm_runtime.h>
#include <linux/pm_qos.h>
#include <linux/math64.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
#include <asm/platform_sst_audio.h>
#include "../sst-mfld-platform.h"
#include "sst.h"
#define NUM_CODEC 2
#define MIN_FRAGMENT 2
#define MAX_FRAGMENT 4
#define MIN_FRAGMENT_SIZE (50 * 1024)
#define MAX_FRAGMENT_SIZE (1024 * 1024)
#define SST_GET_BYTES_PER_SAMPLE(pcm_wd_sz) (((pcm_wd_sz + 15) >> 4) << 1)
#ifdef CONFIG_PM
#define GET_USAGE_COUNT(dev) (atomic_read(&dev->power.usage_count))
#else
#define GET_USAGE_COUNT(dev) 1
#endif
int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id)
{
struct stream_info *stream;
int ret = 0;
stream = get_stream_info(ctx, str_id);
if (stream) {
/* str_id is valid, so stream is alloacted */
ret = sst_free_stream(ctx, str_id);
if (ret)
sst_clean_stream(&ctx->streams[str_id]);
return ret;
} else {
dev_err(ctx->dev, "we tried to free stream context %d which was freed!!!\n", str_id);
}
return ret;
}
/*
* sst_get_sfreq - this function returns the frequency of the stream
*
* @str_param : stream params
*/
int sst_get_sfreq(struct snd_sst_params *str_param)
{
switch (str_param->codec) {
case SST_CODEC_TYPE_PCM:
return str_param->sparams.uc.pcm_params.sfreq;
case SST_CODEC_TYPE_AAC:
return str_param->sparams.uc.aac_params.externalsr;
case SST_CODEC_TYPE_MP3:
return 0;
default:
return -EINVAL;
}
}
/*
* sst_get_num_channel - get number of channels for the stream
*
* @str_param : stream params
*/
int sst_get_num_channel(struct snd_sst_params *str_param)
{
switch (str_param->codec) {
case SST_CODEC_TYPE_PCM:
return str_param->sparams.uc.pcm_params.num_chan;
case SST_CODEC_TYPE_MP3:
return str_param->sparams.uc.mp3_params.num_chan;
case SST_CODEC_TYPE_AAC:
return str_param->sparams.uc.aac_params.num_chan;
default:
return -EINVAL;
}
}
/*
* sst_get_stream - this function prepares for stream allocation
*
* @str_param : stream param
*/
int sst_get_stream(struct intel_sst_drv *ctx,
struct snd_sst_params *str_param)
{
int retval;
struct stream_info *str_info;
/* stream is not allocated, we are allocating */
retval = ctx->ops->alloc_stream(ctx, str_param);
if (retval <= 0) {
return -EIO;
}
/* store sampling freq */
str_info = &ctx->streams[retval];
str_info->sfreq = sst_get_sfreq(str_param);
return retval;
}
static int sst_power_control(struct device *dev, bool state)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
int ret = 0;
int usage_count = 0;
if (state) {
ret = pm_runtime_resume_and_get(dev);
usage_count = GET_USAGE_COUNT(dev);
dev_dbg(ctx->dev, "Enable: pm usage count: %d\n", usage_count);
if (ret < 0) {
dev_err(ctx->dev, "Runtime get failed with err: %d\n", ret);
return ret;
}
if ((ctx->sst_state == SST_RESET) && (usage_count == 1)) {
ret = sst_load_fw(ctx);
if (ret) {
dev_err(dev, "FW download fail %d\n", ret);
sst_set_fw_state_locked(ctx, SST_RESET);
ret = sst_pm_runtime_put(ctx);
}
}
} else {
usage_count = GET_USAGE_COUNT(dev);
dev_dbg(ctx->dev, "Disable: pm usage count: %d\n", usage_count);
return sst_pm_runtime_put(ctx);
}
return ret;
}
/*
* sst_open_pcm_stream - Open PCM interface
*
* @str_param: parameters of pcm stream
*
* This function is called by MID sound card driver to open
* a new pcm interface
*/
static int sst_open_pcm_stream(struct device *dev,
struct snd_sst_params *str_param)
{
int retval;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
if (!str_param)
return -EINVAL;
retval = sst_get_stream(ctx, str_param);
if (retval > 0)
ctx->stream_cnt++;
else
dev_err(ctx->dev, "sst_get_stream returned err %d\n", retval);
return retval;
}
static int sst_cdev_open(struct device *dev,
struct snd_sst_params *str_params, struct sst_compress_cb *cb)
{
int str_id, retval;
struct stream_info *stream;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
retval = pm_runtime_resume_and_get(ctx->dev);
if (retval < 0)
return retval;
str_id = sst_get_stream(ctx, str_params);
if (str_id > 0) {
dev_dbg(dev, "stream allocated in sst_cdev_open %d\n", str_id);
stream = &ctx->streams[str_id];
stream->compr_cb = cb->compr_cb;
stream->compr_cb_param = cb->param;
stream->drain_notify = cb->drain_notify;
stream->drain_cb_param = cb->drain_cb_param;
} else {
dev_err(dev, "stream encountered error during alloc %d\n", str_id);
str_id = -EINVAL;
sst_pm_runtime_put(ctx);
}
return str_id;
}
static int sst_cdev_close(struct device *dev, unsigned int str_id)
{
int retval;
struct stream_info *stream;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
stream = get_stream_info(ctx, str_id);
if (!stream) {
dev_err(dev, "stream info is NULL for str %d!!!\n", str_id);
return -EINVAL;
}
retval = sst_free_stream(ctx, str_id);
stream->compr_cb_param = NULL;
stream->compr_cb = NULL;
if (retval)
dev_err(dev, "free stream returned err %d\n", retval);
dev_dbg(dev, "End\n");
return retval;
}
static int sst_cdev_ack(struct device *dev, unsigned int str_id,
unsigned long bytes)
{
struct stream_info *stream;
struct snd_sst_tstamp fw_tstamp = {0,};
int offset;
void __iomem *addr;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
stream = get_stream_info(ctx, str_id);
if (!stream)
return -EINVAL;
/* update bytes sent */
stream->cumm_bytes += bytes;
dev_dbg(dev, "bytes copied %d inc by %ld\n", stream->cumm_bytes, bytes);
addr = ((void __iomem *)(ctx->mailbox + ctx->tstamp)) +
(str_id * sizeof(fw_tstamp));
memcpy_fromio(&fw_tstamp, addr, sizeof(fw_tstamp));
fw_tstamp.bytes_copied = stream->cumm_bytes;
dev_dbg(dev, "bytes sent to fw %llu inc by %ld\n",
fw_tstamp.bytes_copied, bytes);
offset = offsetof(struct snd_sst_tstamp, bytes_copied);
sst_shim_write(addr, offset, fw_tstamp.bytes_copied);
return 0;
}
static int sst_cdev_set_metadata(struct device *dev,
unsigned int str_id, struct snd_compr_metadata *metadata)
{
int retval = 0;
struct stream_info *str_info;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
dev_dbg(dev, "set metadata for stream %d\n", str_id);
str_info = get_stream_info(ctx, str_id);
if (!str_info)
return -EINVAL;
dev_dbg(dev, "pipe id = %d\n", str_info->pipe_id);
retval = sst_prepare_and_post_msg(ctx, str_info->task_id, IPC_CMD,
IPC_IA_SET_STREAM_PARAMS_MRFLD, str_info->pipe_id,
sizeof(*metadata), metadata, NULL,
true, true, true, false);
return retval;
}
static int sst_cdev_stream_pause(struct device *dev, unsigned int str_id)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
return sst_pause_stream(ctx, str_id);
}
static int sst_cdev_stream_pause_release(struct device *dev,
unsigned int str_id)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
return sst_resume_stream(ctx, str_id);
}
static int sst_cdev_stream_start(struct device *dev, unsigned int str_id)
{
struct stream_info *str_info;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
str_info = get_stream_info(ctx, str_id);
if (!str_info)
return -EINVAL;
str_info->prev = str_info->status;
str_info->status = STREAM_RUNNING;
return sst_start_stream(ctx, str_id);
}
static int sst_cdev_stream_drop(struct device *dev, unsigned int str_id)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
return sst_drop_stream(ctx, str_id);
}
static int sst_cdev_stream_drain(struct device *dev, unsigned int str_id)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
return sst_drain_stream(ctx, str_id, false);
}
static int sst_cdev_stream_partial_drain(struct device *dev,
unsigned int str_id)
{
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
return sst_drain_stream(ctx, str_id, true);
}
static int sst_cdev_tstamp(struct device *dev, unsigned int str_id,
struct snd_compr_tstamp64 *tstamp)
{
struct snd_sst_tstamp fw_tstamp = {0,};
struct stream_info *stream;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
void __iomem *addr;
addr = (void __iomem *)(ctx->mailbox + ctx->tstamp) +
(str_id * sizeof(fw_tstamp));
memcpy_fromio(&fw_tstamp, addr, sizeof(fw_tstamp));
stream = get_stream_info(ctx, str_id);
if (!stream)
return -EINVAL;
dev_dbg(dev, "rb_counter %llu in bytes\n", fw_tstamp.ring_buffer_counter);
tstamp->copied_total = fw_tstamp.ring_buffer_counter;
tstamp->pcm_frames = fw_tstamp.frames_decoded;
tstamp->pcm_io_frames = div_u64(fw_tstamp.hardware_counter,
(u64)stream->num_ch * SST_GET_BYTES_PER_SAMPLE(24));
tstamp->sampling_rate = fw_tstamp.sampling_frequency;
dev_dbg(dev, "PCM = %llu\n", tstamp->pcm_io_frames);
dev_dbg(dev,
"Ptr Query on strid = %d copied_total %llu, decodec %llu\n",
str_id, tstamp->copied_total, tstamp->pcm_frames);
dev_dbg(dev, "rendered %llu\n", tstamp->pcm_io_frames);
return 0;
}
static int sst_cdev_caps(struct snd_compr_caps *caps)
{
caps->num_codecs = NUM_CODEC;
caps->min_fragment_size = MIN_FRAGMENT_SIZE; /* 50KB */
caps->max_fragment_size = MAX_FRAGMENT_SIZE; /* 1024KB */
caps->min_fragments = MIN_FRAGMENT;
caps->max_fragments = MAX_FRAGMENT;
caps->codecs[0] = SND_AUDIOCODEC_MP3;
caps->codecs[1] = SND_AUDIOCODEC_AAC;
return 0;
}
static const struct snd_compr_codec_caps caps_mp3 = {
.num_descriptors = 1,
.descriptor[0].max_ch = 2,
.descriptor[0].sample_rates[0] = 48000,
.descriptor[0].sample_rates[1] = 44100,
.descriptor[0].sample_rates[2] = 32000,
.descriptor[0].sample_rates[3] = 16000,
.descriptor[0].sample_rates[4] = 8000,
.descriptor[0].num_sample_rates = 5,
.descriptor[0].bit_rate[0] = 320,
.descriptor[0].bit_rate[1] = 192,
.descriptor[0].num_bitrates = 2,
.descriptor[0].profiles = 0,
.descriptor[0].modes = SND_AUDIOCHANMODE_MP3_STEREO,
.descriptor[0].formats = 0,
};
static const struct snd_compr_codec_caps caps_aac = {
.num_descriptors = 2,
.descriptor[1].max_ch = 2,
.descriptor[0].sample_rates[0] = 48000,
.descriptor[0].sample_rates[1] = 44100,
.descriptor[0].sample_rates[2] = 32000,
.descriptor[0].sample_rates[3] = 16000,
.descriptor[0].sample_rates[4] = 8000,
.descriptor[0].num_sample_rates = 5,
.descriptor[1].bit_rate[0] = 320,
.descriptor[1].bit_rate[1] = 192,
.descriptor[1].num_bitrates = 2,
.descriptor[1].profiles = 0,
.descriptor[1].modes = 0,
.descriptor[1].formats =
(SND_AUDIOSTREAMFORMAT_MP4ADTS |
SND_AUDIOSTREAMFORMAT_RAW),
};
static int sst_cdev_codec_caps(struct snd_compr_codec_caps *codec)
{
if (codec->codec == SND_AUDIOCODEC_MP3)
*codec = caps_mp3;
else if (codec->codec == SND_AUDIOCODEC_AAC)
*codec = caps_aac;
else
return -EINVAL;
return 0;
}
/*
* sst_close_pcm_stream - Close PCM interface
*
* @str_id: stream id to be closed
*
* This function is called by MID sound card driver to close
* an existing pcm interface
*/
static int sst_close_pcm_stream(struct device *dev, unsigned int str_id)
{
struct stream_info *stream;
int retval = 0;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
stream = get_stream_info(ctx, str_id);
if (!stream) {
dev_err(ctx->dev, "stream info is NULL for str %d!!!\n", str_id);
return -EINVAL;
}
retval = free_stream_context(ctx, str_id);
stream->pcm_substream = NULL;
stream->status = STREAM_UN_INIT;
stream->period_elapsed = NULL;
ctx->stream_cnt--;
if (retval)
dev_err(ctx->dev, "free stream returned err %d\n", retval);
dev_dbg(ctx->dev, "Exit\n");
return 0;
}
static inline int sst_calc_tstamp(struct intel_sst_drv *ctx,
struct pcm_stream_info *info,
struct snd_pcm_substream *substream,
struct snd_sst_tstamp *fw_tstamp)
{
size_t delay_bytes, delay_frames;
size_t buffer_sz;
u32 pointer_bytes, pointer_samples;
dev_dbg(ctx->dev, "mrfld ring_buffer_counter %llu in bytes\n",
fw_tstamp->ring_buffer_counter);
dev_dbg(ctx->dev, "mrfld hardware_counter %llu in bytes\n",
fw_tstamp->hardware_counter);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
delay_bytes = (size_t) (fw_tstamp->ring_buffer_counter -
fw_tstamp->hardware_counter);
else
delay_bytes = (size_t) (fw_tstamp->hardware_counter -
fw_tstamp->ring_buffer_counter);
delay_frames = bytes_to_frames(substream->runtime, delay_bytes);
buffer_sz = snd_pcm_lib_buffer_bytes(substream);
div_u64_rem(fw_tstamp->ring_buffer_counter, buffer_sz, &pointer_bytes);
pointer_samples = bytes_to_samples(substream->runtime, pointer_bytes);
dev_dbg(ctx->dev, "pcm delay %zu in bytes\n", delay_bytes);
info->buffer_ptr = pointer_samples / substream->runtime->channels;
info->pcm_delay = delay_frames;
dev_dbg(ctx->dev, "buffer ptr %llu pcm_delay rep: %llu\n",
info->buffer_ptr, info->pcm_delay);
return 0;
}
static int sst_read_timestamp(struct device *dev, struct pcm_stream_info *info)
{
struct stream_info *stream;
struct snd_pcm_substream *substream;
struct snd_sst_tstamp fw_tstamp;
unsigned int str_id;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
void __iomem *addr;
str_id = info->str_id;
stream = get_stream_info(ctx, str_id);
if (!stream)
return -EINVAL;
if (!stream->pcm_substream)
return -EINVAL;
substream = stream->pcm_substream;
addr = (void __iomem *)(ctx->mailbox + ctx->tstamp) +
(str_id * sizeof(fw_tstamp));
memcpy_fromio(&fw_tstamp, addr, sizeof(fw_tstamp));
return sst_calc_tstamp(ctx, info, substream, &fw_tstamp);
}
static int sst_stream_start(struct device *dev, int str_id)
{
struct stream_info *str_info;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
if (ctx->sst_state != SST_FW_RUNNING)
return 0;
str_info = get_stream_info(ctx, str_id);
if (!str_info)
return -EINVAL;
str_info->prev = str_info->status;
str_info->status = STREAM_RUNNING;
sst_start_stream(ctx, str_id);
return 0;
}
static int sst_stream_drop(struct device *dev, int str_id)
{
struct stream_info *str_info;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
if (ctx->sst_state != SST_FW_RUNNING)
return 0;
str_info = get_stream_info(ctx, str_id);
if (!str_info)
return -EINVAL;
str_info->prev = STREAM_UN_INIT;
str_info->status = STREAM_INIT;
return sst_drop_stream(ctx, str_id);
}
static int sst_stream_pause(struct device *dev, int str_id)
{
struct stream_info *str_info;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
if (ctx->sst_state != SST_FW_RUNNING)
return 0;
str_info = get_stream_info(ctx, str_id);
if (!str_info)
return -EINVAL;
return sst_pause_stream(ctx, str_id);
}
static int sst_stream_resume(struct device *dev, int str_id)
{
struct stream_info *str_info;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
if (ctx->sst_state != SST_FW_RUNNING)
return 0;
str_info = get_stream_info(ctx, str_id);
if (!str_info)
return -EINVAL;
return sst_resume_stream(ctx, str_id);
}
static int sst_stream_init(struct device *dev, struct pcm_stream_info *str_info)
{
int str_id = 0;
struct stream_info *stream;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
str_id = str_info->str_id;
if (ctx->sst_state != SST_FW_RUNNING)
return 0;
stream = get_stream_info(ctx, str_id);
if (!stream)
return -EINVAL;
dev_dbg(ctx->dev, "setting the period ptrs\n");
stream->pcm_substream = str_info->arg;
stream->period_elapsed = str_info->period_elapsed;
stream->sfreq = str_info->sfreq;
stream->prev = stream->status;
stream->status = STREAM_INIT;
dev_dbg(ctx->dev,
"pcm_substream %p, period_elapsed %p, sfreq %d, status %d\n",
stream->pcm_substream, stream->period_elapsed,
stream->sfreq, stream->status);
return 0;
}
/*
* sst_set_byte_stream - Set generic params
*
* @cmd: control cmd to be set
* @arg: command argument
*
* This function is called by MID sound card driver to configure
* SST runtime params.
*/
static int sst_send_byte_stream(struct device *dev,
struct snd_sst_bytes_v2 *bytes)
{
int ret_val = 0;
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
if (NULL == bytes)
return -EINVAL;
ret_val = pm_runtime_resume_and_get(ctx->dev);
if (ret_val < 0)
return ret_val;
ret_val = sst_send_byte_stream_mrfld(ctx, bytes);
sst_pm_runtime_put(ctx);
return ret_val;
}
static struct sst_ops pcm_ops = {
.open = sst_open_pcm_stream,
.stream_init = sst_stream_init,
.stream_start = sst_stream_start,
.stream_drop = sst_stream_drop,
.stream_pause = sst_stream_pause,
.stream_pause_release = sst_stream_resume,
.stream_read_tstamp = sst_read_timestamp,
.send_byte_stream = sst_send_byte_stream,
.close = sst_close_pcm_stream,
.power = sst_power_control,
};
static struct compress_sst_ops compr_ops = {
.open = sst_cdev_open,
.close = sst_cdev_close,
.stream_pause = sst_cdev_stream_pause,
.stream_pause_release = sst_cdev_stream_pause_release,
.stream_start = sst_cdev_stream_start,
.stream_drop = sst_cdev_stream_drop,
.stream_drain = sst_cdev_stream_drain,
.stream_partial_drain = sst_cdev_stream_partial_drain,
.tstamp = sst_cdev_tstamp,
.ack = sst_cdev_ack,
.get_caps = sst_cdev_caps,
.get_codec_caps = sst_cdev_codec_caps,
.set_metadata = sst_cdev_set_metadata,
.power = sst_power_control,
};
static struct sst_device sst_dsp_device = {
.name = "Intel(R) SST LPE",
.dev = NULL,
.ops = &pcm_ops,
.compr_ops = &compr_ops,
};
/*
* sst_register - function to register DSP
*
* This functions registers DSP with the platform driver
*/
int sst_register(struct device *dev)
{
int ret_val;
sst_dsp_device.dev = dev;
ret_val = sst_register_dsp(&sst_dsp_device);
if (ret_val)
dev_err(dev, "Unable to register DSP with platform driver\n");
return ret_val;
}
int sst_unregister(struct device *dev)
{
return sst_unregister_dsp(&sst_dsp_device);
}
linux-7.2.3/sound/soc/intel/atom/sst/sst_ipc.c
+375
View File
@@ -0,0 +1,375 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_ipc.c - Intel SST Driver for audio engine
*
* Copyright (C) 2008-14 Intel Corporation
* Authors: Vinod Koul <vinod.koul@intel.com>
* Harsha Priya <priya.harsha@intel.com>
* Dharageswari R <dharageswari.r@intel.com>
* KP Jeeja <jeeja.kp@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/pci.h>
#include <linux/firmware.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
#include <asm/platform_sst_audio.h>
#include "../sst-mfld-platform.h"
#include "sst.h"
struct sst_block *sst_create_block(struct intel_sst_drv *ctx,
u32 msg_id, u32 drv_id)
{
struct sst_block *msg;
dev_dbg(ctx->dev, "Enter\n");
msg = kzalloc_obj(*msg);
if (!msg)
return NULL;
msg->condition = false;
msg->on = true;
msg->msg_id = msg_id;
msg->drv_id = drv_id;
spin_lock_bh(&ctx->block_lock);
list_add_tail(&msg->node, &ctx->block_list);
spin_unlock_bh(&ctx->block_lock);
return msg;
}
/*
* while handling the interrupts, we need to check for message status and
* then if we are blocking for a message
*
* here we are unblocking the blocked ones, this is based on id we have
* passed and search that for block threads.
* We will not find block in two cases
* a) when its small message and block in not there, so silently ignore
* them
* b) when we are actually not able to find the block (bug perhaps)
*
* Since we have bit of small messages we can spam kernel log with err
* print on above so need to keep as debug prints which should be enabled
* via dynamic debug while debugging IPC issues
*/
int sst_wake_up_block(struct intel_sst_drv *ctx, int result,
u32 drv_id, u32 ipc, void *data, u32 size)
{
struct sst_block *block;
dev_dbg(ctx->dev, "Enter\n");
spin_lock_bh(&ctx->block_lock);
list_for_each_entry(block, &ctx->block_list, node) {
dev_dbg(ctx->dev, "Block ipc %d, drv_id %d\n", block->msg_id,
block->drv_id);
if (block->msg_id == ipc && block->drv_id == drv_id) {
dev_dbg(ctx->dev, "free up the block\n");
block->ret_code = result;
block->data = data;
block->size = size;
block->condition = true;
spin_unlock_bh(&ctx->block_lock);
wake_up(&ctx->wait_queue);
return 0;
}
}
spin_unlock_bh(&ctx->block_lock);
dev_dbg(ctx->dev,
"Block not found or a response received for a short msg for ipc %d, drv_id %d\n",
ipc, drv_id);
return -EINVAL;
}
int sst_free_block(struct intel_sst_drv *ctx, struct sst_block *freed)
{
struct sst_block *block, *__block;
dev_dbg(ctx->dev, "Enter\n");
spin_lock_bh(&ctx->block_lock);
list_for_each_entry_safe(block, __block, &ctx->block_list, node) {
if (block == freed) {
pr_debug("pvt_id freed --> %d\n", freed->drv_id);
/* toggle the index position of pvt_id */
list_del(&freed->node);
spin_unlock_bh(&ctx->block_lock);
kfree(freed->data);
freed->data = NULL;
kfree(freed);
return 0;
}
}
spin_unlock_bh(&ctx->block_lock);
dev_err(ctx->dev, "block is already freed!!!\n");
return -EINVAL;
}
int sst_post_message_mrfld(struct intel_sst_drv *sst_drv_ctx,
struct ipc_post *ipc_msg, bool sync)
{
struct ipc_post *msg = ipc_msg;
union ipc_header_mrfld header;
unsigned int loop_count = 0;
int retval = 0;
unsigned long irq_flags;
dev_dbg(sst_drv_ctx->dev, "Enter: sync: %d\n", sync);
spin_lock_irqsave(&sst_drv_ctx->ipc_spin_lock, irq_flags);
header.full = sst_shim_read64(sst_drv_ctx->shim, SST_IPCX);
if (sync) {
while (header.p.header_high.part.busy) {
if (loop_count > 25) {
dev_err(sst_drv_ctx->dev,
"sst: Busy wait failed, can't send this msg\n");
retval = -EBUSY;
goto out;
}
cpu_relax();
loop_count++;
header.full = sst_shim_read64(sst_drv_ctx->shim, SST_IPCX);
}
} else {
if (list_empty(&sst_drv_ctx->ipc_dispatch_list)) {
/* queue is empty, nothing to send */
spin_unlock_irqrestore(&sst_drv_ctx->ipc_spin_lock, irq_flags);
dev_dbg(sst_drv_ctx->dev,
"Empty msg queue... NO Action\n");
return 0;
}
if (header.p.header_high.part.busy) {
spin_unlock_irqrestore(&sst_drv_ctx->ipc_spin_lock, irq_flags);
dev_dbg(sst_drv_ctx->dev, "Busy not free... post later\n");
return 0;
}
/* copy msg from list */
msg = list_entry(sst_drv_ctx->ipc_dispatch_list.next,
struct ipc_post, node);
list_del(&msg->node);
}
dev_dbg(sst_drv_ctx->dev, "sst: Post message: header = %x\n",
msg->mrfld_header.p.header_high.full);
dev_dbg(sst_drv_ctx->dev, "sst: size = 0x%x\n",
msg->mrfld_header.p.header_low_payload);
if (msg->mrfld_header.p.header_high.part.large)
memcpy_toio(sst_drv_ctx->mailbox + SST_MAILBOX_SEND,
msg->mailbox_data,
msg->mrfld_header.p.header_low_payload);
sst_shim_write64(sst_drv_ctx->shim, SST_IPCX, msg->mrfld_header.full);
out:
spin_unlock_irqrestore(&sst_drv_ctx->ipc_spin_lock, irq_flags);
kfree(msg->mailbox_data);
kfree(msg);
return retval;
}
void intel_sst_clear_intr_mrfld(struct intel_sst_drv *sst_drv_ctx)
{
union interrupt_reg_mrfld isr;
union interrupt_reg_mrfld imr;
union ipc_header_mrfld clear_ipc;
unsigned long irq_flags;
spin_lock_irqsave(&sst_drv_ctx->ipc_spin_lock, irq_flags);
imr.full = sst_shim_read64(sst_drv_ctx->shim, SST_IMRX);
isr.full = sst_shim_read64(sst_drv_ctx->shim, SST_ISRX);
/* write 1 to clear*/
isr.part.busy_interrupt = 1;
sst_shim_write64(sst_drv_ctx->shim, SST_ISRX, isr.full);
/* Set IA done bit */
clear_ipc.full = sst_shim_read64(sst_drv_ctx->shim, SST_IPCD);
clear_ipc.p.header_high.part.busy = 0;
clear_ipc.p.header_high.part.done = 1;
clear_ipc.p.header_low_payload = IPC_ACK_SUCCESS;
sst_shim_write64(sst_drv_ctx->shim, SST_IPCD, clear_ipc.full);
/* un mask busy interrupt */
imr.part.busy_interrupt = 0;
sst_shim_write64(sst_drv_ctx->shim, SST_IMRX, imr.full);
spin_unlock_irqrestore(&sst_drv_ctx->ipc_spin_lock, irq_flags);
}
/*
* process_fw_init - process the FW init msg
*
* @msg: IPC message mailbox data from FW
*
* This function processes the FW init msg from FW
* marks FW state and prints debug info of loaded FW
*/
static void process_fw_init(struct intel_sst_drv *sst_drv_ctx,
void *msg)
{
struct ipc_header_fw_init *init =
(struct ipc_header_fw_init *)msg;
int retval = 0;
dev_dbg(sst_drv_ctx->dev, "*** FW Init msg came***\n");
if (init->result) {
sst_set_fw_state_locked(sst_drv_ctx, SST_RESET);
dev_err(sst_drv_ctx->dev, "FW Init failed, Error %x\n",
init->result);
retval = init->result;
goto ret;
}
if (memcmp(&sst_drv_ctx->fw_version, &init->fw_version,
sizeof(init->fw_version)))
dev_info(sst_drv_ctx->dev, "FW Version %02x.%02x.%02x.%02x\n",
init->fw_version.type, init->fw_version.major,
init->fw_version.minor, init->fw_version.build);
dev_dbg(sst_drv_ctx->dev, "Build date %s Time %s\n",
init->build_info.date, init->build_info.time);
/* Save FW version */
sst_drv_ctx->fw_version.type = init->fw_version.type;
sst_drv_ctx->fw_version.major = init->fw_version.major;
sst_drv_ctx->fw_version.minor = init->fw_version.minor;
sst_drv_ctx->fw_version.build = init->fw_version.build;
ret:
sst_wake_up_block(sst_drv_ctx, retval, FW_DWNL_ID, 0 , NULL, 0);
}
static void process_fw_async_msg(struct intel_sst_drv *sst_drv_ctx,
struct ipc_post *msg)
{
u32 msg_id;
int str_id;
u32 data_size, i;
void *data_offset;
struct stream_info *stream;
u32 msg_low, pipe_id;
msg_low = msg->mrfld_header.p.header_low_payload;
msg_id = ((struct ipc_dsp_hdr *)msg->mailbox_data)->cmd_id;
data_offset = (msg->mailbox_data + sizeof(struct ipc_dsp_hdr));
data_size = msg_low - (sizeof(struct ipc_dsp_hdr));
switch (msg_id) {
case IPC_SST_PERIOD_ELAPSED_MRFLD:
pipe_id = ((struct ipc_dsp_hdr *)msg->mailbox_data)->pipe_id;
str_id = get_stream_id_mrfld(sst_drv_ctx, pipe_id);
if (str_id > 0) {
dev_dbg(sst_drv_ctx->dev,
"Period elapsed rcvd for pipe id 0x%x\n",
pipe_id);
stream = &sst_drv_ctx->streams[str_id];
/* If stream is dropped, skip processing this message*/
if (stream->status == STREAM_INIT)
break;
if (stream->period_elapsed)
stream->period_elapsed(stream->pcm_substream);
if (stream->compr_cb)
stream->compr_cb(stream->compr_cb_param);
}
break;
case IPC_IA_DRAIN_STREAM_MRFLD:
pipe_id = ((struct ipc_dsp_hdr *)msg->mailbox_data)->pipe_id;
str_id = get_stream_id_mrfld(sst_drv_ctx, pipe_id);
if (str_id > 0) {
stream = &sst_drv_ctx->streams[str_id];
if (stream->drain_notify)
stream->drain_notify(stream->drain_cb_param);
}
break;
case IPC_IA_FW_ASYNC_ERR_MRFLD:
dev_err(sst_drv_ctx->dev, "FW sent async error msg:\n");
for (i = 0; i < (data_size/4); i++)
print_hex_dump(KERN_DEBUG, NULL, DUMP_PREFIX_NONE,
16, 4, data_offset, data_size, false);
break;
case IPC_IA_FW_INIT_CMPLT_MRFLD:
process_fw_init(sst_drv_ctx, data_offset);
break;
case IPC_IA_BUF_UNDER_RUN_MRFLD:
pipe_id = ((struct ipc_dsp_hdr *)msg->mailbox_data)->pipe_id;
str_id = get_stream_id_mrfld(sst_drv_ctx, pipe_id);
if (str_id > 0)
dev_err(sst_drv_ctx->dev,
"Buffer under-run for pipe:%#x str_id:%d\n",
pipe_id, str_id);
break;
default:
dev_err(sst_drv_ctx->dev,
"Unrecognized async msg from FW msg_id %#x\n", msg_id);
}
}
void sst_process_reply_mrfld(struct intel_sst_drv *sst_drv_ctx,
struct ipc_post *msg)
{
unsigned int drv_id;
void *data;
union ipc_header_high msg_high;
u32 msg_low;
struct ipc_dsp_hdr *dsp_hdr;
msg_high = msg->mrfld_header.p.header_high;
msg_low = msg->mrfld_header.p.header_low_payload;
dev_dbg(sst_drv_ctx->dev, "IPC process message header %x payload %x\n",
msg->mrfld_header.p.header_high.full,
msg->mrfld_header.p.header_low_payload);
drv_id = msg_high.part.drv_id;
/* Check for async messages first */
if (drv_id == SST_ASYNC_DRV_ID) {
/*FW sent async large message*/
process_fw_async_msg(sst_drv_ctx, msg);
return;
}
/* FW sent short error response for an IPC */
if (msg_high.part.result && !msg_high.part.large) {
/* 32-bit FW error code in msg_low */
dev_err(sst_drv_ctx->dev, "FW sent error response 0x%x", msg_low);
sst_wake_up_block(sst_drv_ctx, msg_high.part.result,
msg_high.part.drv_id,
msg_high.part.msg_id, NULL, 0);
return;
}
/*
* Process all valid responses
* if it is a large message, the payload contains the size to
* copy from mailbox
**/
if (msg_high.part.large) {
data = kmemdup((void *)msg->mailbox_data, msg_low, GFP_KERNEL);
if (!data)
return;
/* Copy command id so that we can use to put sst to reset */
dsp_hdr = (struct ipc_dsp_hdr *)data;
dev_dbg(sst_drv_ctx->dev, "cmd_id %d\n", dsp_hdr->cmd_id);
if (sst_wake_up_block(sst_drv_ctx, msg_high.part.result,
msg_high.part.drv_id,
msg_high.part.msg_id, data, msg_low))
kfree(data);
} else {
sst_wake_up_block(sst_drv_ctx, msg_high.part.result,
msg_high.part.drv_id,
msg_high.part.msg_id, NULL, 0);
}
}
linux-7.2.3/sound/soc/intel/atom/sst/sst_loader.c
+453
View File
@@ -0,0 +1,453 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_dsp.c - Intel SST Driver for audio engine
*
* Copyright (C) 2008-14 Intel Corp
* Authors: Vinod Koul <vinod.koul@intel.com>
* Harsha Priya <priya.harsha@intel.com>
* Dharageswari R <dharageswari.r@intel.com>
* KP Jeeja <jeeja.kp@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This file contains all dsp controlling functions like firmware download,
* setting/resetting dsp cores, etc
*/
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/firmware.h>
#include <linux/dmaengine.h>
#include <linux/pm_qos.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
#include <asm/platform_sst_audio.h>
#include "../sst-mfld-platform.h"
#include "sst.h"
void memcpy32_toio(void __iomem *dst, const void *src, int count)
{
/* __iowrite32_copy uses 32-bit count values so divide by 4 for
* right count in words
*/
__iowrite32_copy(dst, src, count / 4);
}
void memcpy32_fromio(void *dst, const void __iomem *src, int count)
{
/* __ioread32_copy uses 32-bit count values so divide by 4 for
* right count in words
*/
__ioread32_copy(dst, src, count / 4);
}
/**
* intel_sst_reset_dsp_mrfld - Resetting SST DSP
* @sst_drv_ctx: intel_sst_drv context pointer
*
* This resets DSP in case of MRFLD platfroms
*/
int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *sst_drv_ctx)
{
union config_status_reg_mrfld csr;
dev_dbg(sst_drv_ctx->dev, "sst: Resetting the DSP in mrfld\n");
csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
csr.full |= 0x7;
sst_shim_write64(sst_drv_ctx->shim, SST_CSR, csr.full);
csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
csr.full &= ~(0x1);
sst_shim_write64(sst_drv_ctx->shim, SST_CSR, csr.full);
csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
return 0;
}
/**
* sst_start_mrfld - Start the SST DSP processor
* @sst_drv_ctx: intel_sst_drv context pointer
*
* This starts the DSP in MERRIFIELD platfroms
*/
int sst_start_mrfld(struct intel_sst_drv *sst_drv_ctx)
{
union config_status_reg_mrfld csr;
dev_dbg(sst_drv_ctx->dev, "sst: Starting the DSP in mrfld LALALALA\n");
csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
csr.full |= 0x7;
sst_shim_write64(sst_drv_ctx->shim, SST_CSR, csr.full);
csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
csr.part.xt_snoop = 1;
csr.full &= ~(0x5);
sst_shim_write64(sst_drv_ctx->shim, SST_CSR, csr.full);
csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
dev_dbg(sst_drv_ctx->dev, "sst: Starting the DSP_merrifield:%llx\n",
csr.full);
return 0;
}
static int sst_validate_fw_image(struct intel_sst_drv *ctx, unsigned long size,
struct fw_module_header **module, u32 *num_modules)
{
struct sst_fw_header *header;
const void *sst_fw_in_mem = ctx->fw_in_mem;
dev_dbg(ctx->dev, "Enter\n");
/* Read the header information from the data pointer */
header = (struct sst_fw_header *)sst_fw_in_mem;
dev_dbg(ctx->dev,
"header sign=%s size=%x modules=%x fmt=%x size=%zx\n",
header->signature, header->file_size, header->modules,
header->file_format, sizeof(*header));
/* verify FW */
if ((strncmp(header->signature, SST_FW_SIGN, 4) != 0) ||
(size != header->file_size + sizeof(*header))) {
/* Invalid FW signature */
dev_err(ctx->dev, "InvalidFW sign/filesize mismatch\n");
return -EINVAL;
}
*num_modules = header->modules;
*module = (void *)sst_fw_in_mem + sizeof(*header);
return 0;
}
/*
* sst_fill_memcpy_list - Fill the memcpy list
*
* @memcpy_list: List to be filled
* @destn: Destination addr to be filled in the list
* @src: Source addr to be filled in the list
* @size: Size to be filled in the list
*
* Adds the node to the list after required fields
* are populated in the node
*/
static int sst_fill_memcpy_list(struct list_head *memcpy_list,
void *destn, const void *src, u32 size, bool is_io)
{
struct sst_memcpy_list *listnode;
listnode = kzalloc_obj(*listnode);
if (listnode == NULL)
return -ENOMEM;
listnode->dstn = destn;
listnode->src = src;
listnode->size = size;
listnode->is_io = is_io;
list_add_tail(&listnode->memcpylist, memcpy_list);
return 0;
}
/**
* sst_parse_module_memcpy - Parse audio FW modules and populate the memcpy list
*
* @sst_drv_ctx : driver context
* @module : FW module header
* @memcpy_list : Pointer to the list to be populated
* Create the memcpy list as the number of block to be copied
* returns error or 0 if module sizes are proper
*/
static int sst_parse_module_memcpy(struct intel_sst_drv *sst_drv_ctx,
struct fw_module_header *module, struct list_head *memcpy_list)
{
struct fw_block_info *block;
u32 count;
int ret_val = 0;
void __iomem *ram_iomem;
dev_dbg(sst_drv_ctx->dev, "module sign %s size %x blocks %x type %x\n",
module->signature, module->mod_size,
module->blocks, module->type);
dev_dbg(sst_drv_ctx->dev, "module entrypoint 0x%x\n", module->entry_point);
block = (void *)module + sizeof(*module);
for (count = 0; count < module->blocks; count++) {
if (block->size <= 0) {
dev_err(sst_drv_ctx->dev, "block size invalid\n");
return -EINVAL;
}
switch (block->type) {
case SST_IRAM:
ram_iomem = sst_drv_ctx->iram;
break;
case SST_DRAM:
ram_iomem = sst_drv_ctx->dram;
break;
case SST_DDR:
ram_iomem = sst_drv_ctx->ddr;
break;
case SST_CUSTOM_INFO:
block = (void *)block + sizeof(*block) + block->size;
continue;
default:
dev_err(sst_drv_ctx->dev, "wrong ram type0x%x in block0x%x\n",
block->type, count);
return -EINVAL;
}
ret_val = sst_fill_memcpy_list(memcpy_list,
ram_iomem + block->ram_offset,
(void *)block + sizeof(*block), block->size, 1);
if (ret_val)
return ret_val;
block = (void *)block + sizeof(*block) + block->size;
}
return 0;
}
/**
* sst_parse_fw_memcpy - parse the firmware image & populate the list for memcpy
*
* @ctx : pointer to drv context
* @size : size of the firmware
* @fw_list : pointer to list_head to be populated
* This function parses the FW image and saves the parsed image in the list
* for memcpy
*/
static int sst_parse_fw_memcpy(struct intel_sst_drv *ctx, unsigned long size,
struct list_head *fw_list)
{
struct fw_module_header *module;
u32 count, num_modules;
int ret_val;
ret_val = sst_validate_fw_image(ctx, size, &module, &num_modules);
if (ret_val)
return ret_val;
for (count = 0; count < num_modules; count++) {
ret_val = sst_parse_module_memcpy(ctx, module, fw_list);
if (ret_val)
return ret_val;
module = (void *)module + sizeof(*module) + module->mod_size;
}
return 0;
}
/**
* sst_do_memcpy - function initiates the memcpy
*
* @memcpy_list: Pter to memcpy list on which the memcpy needs to be initiated
*
* Triggers the memcpy
*/
static void sst_do_memcpy(struct list_head *memcpy_list)
{
struct sst_memcpy_list *listnode;
list_for_each_entry(listnode, memcpy_list, memcpylist) {
if (listnode->is_io)
memcpy32_toio((void __iomem *)listnode->dstn,
listnode->src, listnode->size);
else
memcpy(listnode->dstn, listnode->src, listnode->size);
}
}
void sst_memcpy_free_resources(struct intel_sst_drv *sst_drv_ctx)
{
struct sst_memcpy_list *listnode, *tmplistnode;
/* Free the list */
list_for_each_entry_safe(listnode, tmplistnode,
&sst_drv_ctx->memcpy_list, memcpylist) {
list_del(&listnode->memcpylist);
kfree(listnode);
}
}
static int sst_cache_and_parse_fw(struct intel_sst_drv *sst,
const struct firmware *fw)
{
int retval = 0;
sst->fw_in_mem = kzalloc(fw->size, GFP_KERNEL);
if (!sst->fw_in_mem) {
retval = -ENOMEM;
goto end_release;
}
dev_dbg(sst->dev, "copied fw to %p", sst->fw_in_mem);
dev_dbg(sst->dev, "phys: %lx", (unsigned long)virt_to_phys(sst->fw_in_mem));
memcpy(sst->fw_in_mem, fw->data, fw->size);
retval = sst_parse_fw_memcpy(sst, fw->size, &sst->memcpy_list);
if (retval) {
dev_err(sst->dev, "Failed to parse fw\n");
kfree(sst->fw_in_mem);
sst->fw_in_mem = NULL;
}
end_release:
release_firmware(fw);
return retval;
}
void sst_firmware_load_cb(const struct firmware *fw, void *context)
{
struct intel_sst_drv *ctx = context;
dev_dbg(ctx->dev, "Enter\n");
if (fw == NULL) {
dev_err(ctx->dev, "request fw failed\n");
return;
}
mutex_lock(&ctx->sst_lock);
if (ctx->sst_state != SST_RESET ||
ctx->fw_in_mem != NULL) {
release_firmware(fw);
mutex_unlock(&ctx->sst_lock);
return;
}
dev_dbg(ctx->dev, "Request Fw completed\n");
sst_cache_and_parse_fw(ctx, fw);
mutex_unlock(&ctx->sst_lock);
}
/*
* sst_request_fw - requests audio fw from kernel and saves a copy
*
* This function requests the SST FW from the kernel, parses it and
* saves a copy in the driver context
*/
static int sst_request_fw(struct intel_sst_drv *sst)
{
int retval = 0;
const struct firmware *fw;
retval = request_firmware(&fw, sst->firmware_name, sst->dev);
if (retval) {
dev_err(sst->dev, "request fw failed %d\n", retval);
return retval;
}
if (fw == NULL) {
dev_err(sst->dev, "fw is returning as null\n");
return -EINVAL;
}
mutex_lock(&sst->sst_lock);
retval = sst_cache_and_parse_fw(sst, fw);
mutex_unlock(&sst->sst_lock);
return retval;
}
/*
* Writing the DDR physical base to DCCM offset
* so that FW can use it to setup TLB
*/
static void sst_dccm_config_write(void __iomem *dram_base,
unsigned int ddr_base)
{
void __iomem *addr;
u32 bss_reset = 0;
addr = (void __iomem *)(dram_base + MRFLD_FW_DDR_BASE_OFFSET);
memcpy32_toio(addr, (void *)&ddr_base, sizeof(u32));
bss_reset |= (1 << MRFLD_FW_BSS_RESET_BIT);
addr = (void __iomem *)(dram_base + MRFLD_FW_FEATURE_BASE_OFFSET);
memcpy32_toio(addr, &bss_reset, sizeof(u32));
}
void sst_post_download_mrfld(struct intel_sst_drv *ctx)
{
sst_dccm_config_write(ctx->dram, ctx->ddr_base);
dev_dbg(ctx->dev, "config written to DCCM\n");
}
/**
* sst_load_fw - function to load FW into DSP
* @sst_drv_ctx: intel_sst_drv context pointer
*
* Transfers the FW to DSP using dma/memcpy
*/
int sst_load_fw(struct intel_sst_drv *sst_drv_ctx)
{
int ret_val = 0;
struct sst_block *block;
dev_dbg(sst_drv_ctx->dev, "sst_load_fw\n");
if (sst_drv_ctx->sst_state != SST_RESET)
return -EAGAIN;
if (!sst_drv_ctx->fw_in_mem) {
dev_dbg(sst_drv_ctx->dev, "sst: FW not in memory retry to download\n");
ret_val = sst_request_fw(sst_drv_ctx);
if (ret_val)
return ret_val;
}
block = sst_create_block(sst_drv_ctx, 0, FW_DWNL_ID);
if (block == NULL)
return -ENOMEM;
/* Prevent C-states beyond C6 */
cpu_latency_qos_update_request(sst_drv_ctx->qos, 0);
sst_drv_ctx->sst_state = SST_FW_LOADING;
ret_val = sst_drv_ctx->ops->reset(sst_drv_ctx);
if (ret_val)
goto restore;
sst_do_memcpy(&sst_drv_ctx->memcpy_list);
/* Write the DRAM/DCCM config before enabling FW */
if (sst_drv_ctx->ops->post_download)
sst_drv_ctx->ops->post_download(sst_drv_ctx);
/* bring sst out of reset */
ret_val = sst_drv_ctx->ops->start(sst_drv_ctx);
if (ret_val)
goto restore;
ret_val = sst_wait_timeout(sst_drv_ctx, block);
if (ret_val) {
dev_err(sst_drv_ctx->dev, "fw download failed %d\n" , ret_val);
/* FW download failed due to timeout */
ret_val = -EBUSY;
}
restore:
/* Re-enable Deeper C-states beyond C6 */
cpu_latency_qos_update_request(sst_drv_ctx->qos, PM_QOS_DEFAULT_VALUE);
sst_free_block(sst_drv_ctx, block);
dev_dbg(sst_drv_ctx->dev, "fw load successful!!!\n");
if (sst_drv_ctx->ops->restore_dsp_context)
sst_drv_ctx->ops->restore_dsp_context();
sst_drv_ctx->sst_state = SST_FW_RUNNING;
return ret_val;
}
linux-7.2.3/sound/soc/intel/atom/sst/sst_pci.c
+189
View File
@@ -0,0 +1,189 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_pci.c - SST (LPE) driver init file for pci enumeration.
*
* Copyright (C) 2008-14 Intel Corp
* Authors: Vinod Koul <vinod.koul@intel.com>
* Harsha Priya <priya.harsha@intel.com>
* Dharageswari R <dharageswari.r@intel.com>
* KP Jeeja <jeeja.kp@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/fs.h>
#include <linux/firmware.h>
#include <sound/core.h>
#include <sound/soc.h>
#include <asm/platform_sst_audio.h>
#include "../sst-mfld-platform.h"
#include "sst.h"
static int sst_platform_get_resources(struct intel_sst_drv *ctx)
{
int ddr_base, ret = 0;
struct pci_dev *pci = ctx->pci;
ret = pcim_request_all_regions(pci, SST_DRV_NAME);
if (ret)
return ret;
/* map registers */
/* DDR base */
if (ctx->dev_id == PCI_DEVICE_ID_INTEL_SST_TNG) {
ctx->ddr_base = pci_resource_start(pci, 0);
/* check that the relocated IMR base matches with FW Binary */
ddr_base = relocate_imr_addr_mrfld(ctx->ddr_base);
if (!ctx->pdata->lib_info) {
dev_err(ctx->dev, "lib_info pointer NULL\n");
return -EINVAL;
}
if (ddr_base != ctx->pdata->lib_info->mod_base) {
dev_err(ctx->dev,
"FW LSP DDR BASE does not match with IFWI\n");
return -EINVAL;
}
ctx->ddr_end = pci_resource_end(pci, 0);
ctx->ddr = pcim_iomap(pci, 0, 0);
if (!ctx->ddr)
return -ENOMEM;
dev_dbg(ctx->dev, "sst: DDR Ptr %p\n", ctx->ddr);
} else {
ctx->ddr = NULL;
}
/* SHIM */
ctx->shim_phy_add = pci_resource_start(pci, 1);
ctx->shim = pcim_iomap(pci, 1, 0);
if (!ctx->shim)
return -ENOMEM;
dev_dbg(ctx->dev, "SST Shim Ptr %p\n", ctx->shim);
/* Shared SRAM */
ctx->mailbox_add = pci_resource_start(pci, 2);
ctx->mailbox = pcim_iomap(pci, 2, 0);
if (!ctx->mailbox)
return -ENOMEM;
dev_dbg(ctx->dev, "SRAM Ptr %p\n", ctx->mailbox);
/* IRAM */
ctx->iram_end = pci_resource_end(pci, 3);
ctx->iram_base = pci_resource_start(pci, 3);
ctx->iram = pcim_iomap(pci, 3, 0);
if (!ctx->iram)
return -ENOMEM;
dev_dbg(ctx->dev, "IRAM Ptr %p\n", ctx->iram);
/* DRAM */
ctx->dram_end = pci_resource_end(pci, 4);
ctx->dram_base = pci_resource_start(pci, 4);
ctx->dram = pcim_iomap(pci, 4, 0);
if (!ctx->dram)
return -ENOMEM;
dev_dbg(ctx->dev, "DRAM Ptr %p\n", ctx->dram);
return 0;
}
/*
* intel_sst_probe - PCI probe function
*
* @pci: PCI device structure
* @pci_id: PCI device ID structure
*
*/
static int intel_sst_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
int ret = 0;
struct intel_sst_drv *sst_drv_ctx;
struct sst_platform_info *sst_pdata = pci->dev.platform_data;
dev_dbg(&pci->dev, "Probe for DID %x\n", pci->device);
ret = sst_alloc_drv_context(&sst_drv_ctx, &pci->dev, pci->device);
if (ret < 0)
return ret;
sst_drv_ctx->pdata = sst_pdata;
sst_drv_ctx->irq_num = pci->irq;
snprintf(sst_drv_ctx->firmware_name, sizeof(sst_drv_ctx->firmware_name),
"%s%04x%s", "fw_sst_",
sst_drv_ctx->dev_id, ".bin");
ret = sst_context_init(sst_drv_ctx);
if (ret < 0)
return ret;
/* Init the device */
ret = pcim_enable_device(pci);
if (ret) {
dev_err(sst_drv_ctx->dev,
"device can't be enabled. Returned err: %d\n", ret);
goto do_free_drv_ctx;
}
sst_drv_ctx->pci = pci_dev_get(pci);
ret = sst_platform_get_resources(sst_drv_ctx);
if (ret < 0)
goto do_free_drv_ctx;
pci_set_drvdata(pci, sst_drv_ctx);
sst_configure_runtime_pm(sst_drv_ctx);
return ret;
do_free_drv_ctx:
sst_context_cleanup(sst_drv_ctx);
dev_err(sst_drv_ctx->dev, "Probe failed with %d\n", ret);
return ret;
}
/**
* intel_sst_remove - PCI remove function
*
* @pci: PCI device structure
*
* This function is called by OS when a device is unloaded
* This frees the interrupt etc
*/
static void intel_sst_remove(struct pci_dev *pci)
{
struct intel_sst_drv *sst_drv_ctx = pci_get_drvdata(pci);
sst_context_cleanup(sst_drv_ctx);
pci_dev_put(sst_drv_ctx->pci);
pci_set_drvdata(pci, NULL);
}
/* PCI Routines */
static const struct pci_device_id intel_sst_ids[] = {
{ PCI_DEVICE_DATA(INTEL, SST_TNG, 0) },
{ 0, }
};
static struct pci_driver sst_driver = {
.name = SST_DRV_NAME,
.id_table = intel_sst_ids,
.probe = intel_sst_probe,
.remove = intel_sst_remove,
#ifdef CONFIG_PM
.driver = {
.pm = &intel_sst_pm,
},
#endif
};
module_pci_driver(sst_driver);
MODULE_DESCRIPTION("Intel (R) SST(R) Audio Engine PCI Driver");
MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
MODULE_AUTHOR("Dharageswari R <dharageswari.r@intel.com>");
MODULE_AUTHOR("KP Jeeja <jeeja.kp@intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("sst");
linux-7.2.3/sound/soc/intel/atom/sst/sst_pvt.c
+372
View File
@@ -0,0 +1,372 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_pvt.c - Intel SST Driver for audio engine
*
* Copyright (C) 2008-14 Intel Corp
* Authors: Vinod Koul <vinod.koul@intel.com>
* Harsha Priya <priya.harsha@intel.com>
* Dharageswari R <dharageswari.r@intel.com>
* KP Jeeja <jeeja.kp@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/kobject.h>
#include <linux/pci.h>
#include <linux/fs.h>
#include <linux/firmware.h>
#include <linux/pm_runtime.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <sound/asound.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
#include <asm/platform_sst_audio.h>
#include "../sst-mfld-platform.h"
#include "sst.h"
int sst_shim_write(void __iomem *addr, int offset, int value)
{
writel(value, addr + offset);
return 0;
}
u32 sst_shim_read(void __iomem *addr, int offset)
{
return readl(addr + offset);
}
u64 sst_reg_read64(void __iomem *addr, int offset)
{
u64 val = 0;
memcpy_fromio(&val, addr + offset, sizeof(val));
return val;
}
int sst_shim_write64(void __iomem *addr, int offset, u64 value)
{
memcpy_toio(addr + offset, &value, sizeof(value));
return 0;
}
u64 sst_shim_read64(void __iomem *addr, int offset)
{
u64 val = 0;
memcpy_fromio(&val, addr + offset, sizeof(val));
return val;
}
void sst_set_fw_state_locked(
struct intel_sst_drv *sst_drv_ctx, int sst_state)
{
mutex_lock(&sst_drv_ctx->sst_lock);
sst_drv_ctx->sst_state = sst_state;
mutex_unlock(&sst_drv_ctx->sst_lock);
}
/*
* sst_wait_timeout - wait on event for timeout
*
* @sst_drv_ctx: Driver context
* @block: Driver block to wait on
*
* This function waits with a timeout value (and is not interruptible) on a
* given block event
*/
int sst_wait_timeout(struct intel_sst_drv *sst_drv_ctx, struct sst_block *block)
{
int retval = 0;
/*
* NOTE:
* Observed that FW processes the alloc msg and replies even
* before the alloc thread has finished execution
*/
dev_dbg(sst_drv_ctx->dev,
"waiting for condition %x ipc %d drv_id %d\n",
block->condition, block->msg_id, block->drv_id);
if (wait_event_timeout(sst_drv_ctx->wait_queue,
block->condition,
msecs_to_jiffies(SST_BLOCK_TIMEOUT))) {
/* event wake */
dev_dbg(sst_drv_ctx->dev, "Event wake %x\n",
block->condition);
dev_dbg(sst_drv_ctx->dev, "message ret: %d\n",
block->ret_code);
retval = -block->ret_code;
} else {
block->on = false;
dev_err(sst_drv_ctx->dev,
"Wait timed-out condition:%#x, msg_id:%#x fw_state %#x\n",
block->condition, block->msg_id, sst_drv_ctx->sst_state);
sst_drv_ctx->sst_state = SST_RESET;
retval = -EBUSY;
}
return retval;
}
/*
* sst_create_ipc_msg - create a IPC message
*
* @arg: ipc message
* @large: large or short message
*
* this function allocates structures to send a large or short
* message to the firmware
*/
int sst_create_ipc_msg(struct ipc_post **arg, bool large)
{
struct ipc_post *msg;
msg = kzalloc_obj(*msg, GFP_ATOMIC);
if (!msg)
return -ENOMEM;
if (large) {
msg->mailbox_data = kzalloc(SST_MAILBOX_SIZE, GFP_ATOMIC);
if (!msg->mailbox_data) {
kfree(msg);
return -ENOMEM;
}
} else {
msg->mailbox_data = NULL;
}
msg->is_large = large;
*arg = msg;
return 0;
}
/*
* sst_create_block_and_ipc_msg - Creates IPC message and sst block
* @arg: passed to sst_create_ipc_message API
* @large: large or short message
* @sst_drv_ctx: sst driver context
* @block: return block allocated
* @msg_id: IPC
* @drv_id: stream id or private id
*/
int sst_create_block_and_ipc_msg(struct ipc_post **arg, bool large,
struct intel_sst_drv *sst_drv_ctx, struct sst_block **block,
u32 msg_id, u32 drv_id)
{
int retval;
retval = sst_create_ipc_msg(arg, large);
if (retval)
return retval;
*block = sst_create_block(sst_drv_ctx, msg_id, drv_id);
if (*block == NULL) {
kfree(*arg);
return -ENOMEM;
}
return 0;
}
/*
* sst_clean_stream - clean the stream context
*
* @stream: stream structure
*
* this function resets the stream contexts
* should be called in free
*/
void sst_clean_stream(struct stream_info *stream)
{
stream->status = STREAM_UN_INIT;
stream->prev = STREAM_UN_INIT;
mutex_lock(&stream->lock);
stream->cumm_bytes = 0;
mutex_unlock(&stream->lock);
}
int sst_prepare_and_post_msg(struct intel_sst_drv *sst,
int task_id, int ipc_msg, int cmd_id, int pipe_id,
size_t mbox_data_len, const void *mbox_data, void **data,
bool large, bool fill_dsp, bool sync, bool response)
{
struct sst_block *block = NULL;
struct ipc_post *msg = NULL;
struct ipc_dsp_hdr dsp_hdr;
int ret = 0, pvt_id;
pvt_id = sst_assign_pvt_id(sst);
if (pvt_id < 0)
return pvt_id;
if (response)
ret = sst_create_block_and_ipc_msg(
&msg, large, sst, &block, ipc_msg, pvt_id);
else
ret = sst_create_ipc_msg(&msg, large);
if (ret < 0) {
test_and_clear_bit(pvt_id, &sst->pvt_id);
return -ENOMEM;
}
dev_dbg(sst->dev, "pvt_id = %d, pipe id = %d, task = %d ipc_msg: %d\n",
pvt_id, pipe_id, task_id, ipc_msg);
sst_fill_header_mrfld(&msg->mrfld_header, ipc_msg,
task_id, large, pvt_id);
msg->mrfld_header.p.header_low_payload = sizeof(dsp_hdr) + mbox_data_len;
msg->mrfld_header.p.header_high.part.res_rqd = !sync;
dev_dbg(sst->dev, "header:%x\n",
msg->mrfld_header.p.header_high.full);
dev_dbg(sst->dev, "response rqd: %x",
msg->mrfld_header.p.header_high.part.res_rqd);
dev_dbg(sst->dev, "msg->mrfld_header.p.header_low_payload:%d",
msg->mrfld_header.p.header_low_payload);
if (fill_dsp) {
sst_fill_header_dsp(&dsp_hdr, cmd_id, pipe_id, mbox_data_len);
memcpy(msg->mailbox_data, &dsp_hdr, sizeof(dsp_hdr));
if (mbox_data_len) {
memcpy(msg->mailbox_data + sizeof(dsp_hdr),
mbox_data, mbox_data_len);
}
}
if (sync)
sst->ops->post_message(sst, msg, true);
else
sst_add_to_dispatch_list_and_post(sst, msg);
if (response) {
ret = sst_wait_timeout(sst, block);
if (ret < 0)
goto out;
if (data && block->data) {
*data = kmemdup(block->data, block->size, GFP_KERNEL);
if (!*data) {
ret = -ENOMEM;
goto out;
}
}
}
out:
if (response)
sst_free_block(sst, block);
test_and_clear_bit(pvt_id, &sst->pvt_id);
return ret;
}
int sst_pm_runtime_put(struct intel_sst_drv *sst_drv)
{
int ret;
ret = pm_runtime_put_autosuspend(sst_drv->dev);
if (ret < 0)
return ret;
return 0;
}
void sst_fill_header_mrfld(union ipc_header_mrfld *header,
int msg, int task_id, int large, int drv_id)
{
header->full = 0;
header->p.header_high.part.msg_id = msg;
header->p.header_high.part.task_id = task_id;
header->p.header_high.part.large = large;
header->p.header_high.part.drv_id = drv_id;
header->p.header_high.part.done = 0;
header->p.header_high.part.busy = 1;
header->p.header_high.part.res_rqd = 1;
}
void sst_fill_header_dsp(struct ipc_dsp_hdr *dsp, int msg,
int pipe_id, int len)
{
dsp->cmd_id = msg;
dsp->mod_index_id = 0xff;
dsp->pipe_id = pipe_id;
dsp->length = len;
dsp->mod_id = 0;
}
#define SST_MAX_BLOCKS 15
/*
* sst_assign_pvt_id - assign a pvt id for stream
*
* @sst_drv_ctx : driver context
*
* this function assigns a private id for calls that dont have stream
* context yet, should be called with lock held
* uses bits for the id, and finds first free bits and assigns that
*/
int sst_assign_pvt_id(struct intel_sst_drv *drv)
{
int local;
spin_lock(&drv->block_lock);
/* find first zero index from lsb */
local = ffz(drv->pvt_id);
dev_dbg(drv->dev, "pvt_id assigned --> %d\n", local);
if (local >= SST_MAX_BLOCKS){
spin_unlock(&drv->block_lock);
dev_err(drv->dev, "PVT _ID error: no free id blocks ");
return -EINVAL;
}
/* toggle the index */
change_bit(local, &drv->pvt_id);
spin_unlock(&drv->block_lock);
return local;
}
int sst_validate_strid(
struct intel_sst_drv *sst_drv_ctx, int str_id)
{
if (str_id <= 0 || str_id > sst_drv_ctx->info.max_streams) {
dev_err(sst_drv_ctx->dev,
"SST ERR: invalid stream id : %d, max %d\n",
str_id, sst_drv_ctx->info.max_streams);
return -EINVAL;
}
return 0;
}
struct stream_info *get_stream_info(
struct intel_sst_drv *sst_drv_ctx, int str_id)
{
if (sst_validate_strid(sst_drv_ctx, str_id))
return NULL;
return &sst_drv_ctx->streams[str_id];
}
int get_stream_id_mrfld(struct intel_sst_drv *sst_drv_ctx,
u32 pipe_id)
{
int i;
for (i = 1; i <= sst_drv_ctx->info.max_streams; i++)
if (pipe_id == sst_drv_ctx->streams[i].pipe_id)
return i;
dev_dbg(sst_drv_ctx->dev, "no such pipe_id(%u)", pipe_id);
return -1;
}
u32 relocate_imr_addr_mrfld(u32 base_addr)
{
/* Get the difference from 512MB aligned base addr */
/* relocate the base */
base_addr = MRFLD_FW_VIRTUAL_BASE + (base_addr % (512 * 1024 * 1024));
return base_addr;
}
EXPORT_SYMBOL_GPL(relocate_imr_addr_mrfld);
void sst_add_to_dispatch_list_and_post(struct intel_sst_drv *sst,
struct ipc_post *msg)
{
unsigned long irq_flags;
spin_lock_irqsave(&sst->ipc_spin_lock, irq_flags);
list_add_tail(&msg->node, &sst->ipc_dispatch_list);
spin_unlock_irqrestore(&sst->ipc_spin_lock, irq_flags);
sst->ops->post_message(sst, NULL, false);
}
linux-7.2.3/sound/soc/intel/atom/sst/sst_stream.c
+471
View File
@@ -0,0 +1,471 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_stream.c - Intel SST Driver for audio engine
*
* Copyright (C) 2008-14 Intel Corp
* Authors: Vinod Koul <vinod.koul@intel.com>
* Harsha Priya <priya.harsha@intel.com>
* Dharageswari R <dharageswari.r@intel.com>
* KP Jeeja <jeeja.kp@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/pci.h>
#include <linux/firmware.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
#include <asm/platform_sst_audio.h>
#include "../sst-mfld-platform.h"
#include "sst.h"
int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params)
{
struct snd_pcm_params *pcm_params;
struct snd_sst_params *str_params;
struct snd_sst_tstamp fw_tstamp;
struct stream_info *str_info;
int i, num_ch, str_id;
dev_dbg(sst_drv_ctx->dev, "Enter\n");
str_params = (struct snd_sst_params *)params;
str_id = str_params->stream_id;
str_info = get_stream_info(sst_drv_ctx, str_id);
if (!str_info)
return -EINVAL;
memset(&str_info->alloc_param, 0, sizeof(str_info->alloc_param));
str_info->alloc_param.operation = str_params->ops;
str_info->alloc_param.codec_type = str_params->codec;
str_info->alloc_param.sg_count = str_params->aparams.sg_count;
str_info->alloc_param.ring_buf_info[0].addr =
str_params->aparams.ring_buf_info[0].addr;
str_info->alloc_param.ring_buf_info[0].size =
str_params->aparams.ring_buf_info[0].size;
str_info->alloc_param.frag_size = str_params->aparams.frag_size;
memcpy(&str_info->alloc_param.codec_params, &str_params->sparams,
sizeof(struct snd_sst_stream_params));
/*
* fill channel map params for multichannel support.
* Ideally channel map should be received from upper layers
* for multichannel support.
* Currently hardcoding as per FW reqm.
*/
num_ch = sst_get_num_channel(str_params);
pcm_params = &str_info->alloc_param.codec_params.uc.pcm_params;
for (i = 0; i < 8; i++) {
if (i < num_ch)
pcm_params->channel_map[i] = i;
else
pcm_params->channel_map[i] = 0xff;
}
sst_drv_ctx->streams[str_id].status = STREAM_INIT;
sst_drv_ctx->streams[str_id].prev = STREAM_UN_INIT;
sst_drv_ctx->streams[str_id].pipe_id = str_params->device_type;
sst_drv_ctx->streams[str_id].task_id = str_params->task;
sst_drv_ctx->streams[str_id].num_ch = num_ch;
if (sst_drv_ctx->info.lpe_viewpt_rqd)
str_info->alloc_param.ts = sst_drv_ctx->info.mailbox_start +
sst_drv_ctx->tstamp + (str_id * sizeof(fw_tstamp));
else
str_info->alloc_param.ts = sst_drv_ctx->mailbox_add +
sst_drv_ctx->tstamp + (str_id * sizeof(fw_tstamp));
dev_dbg(sst_drv_ctx->dev, "alloc tstamp location = 0x%x\n",
str_info->alloc_param.ts);
dev_dbg(sst_drv_ctx->dev, "assigned pipe id 0x%x to task %d\n",
str_info->pipe_id, str_info->task_id);
return sst_realloc_stream(sst_drv_ctx, str_id);
}
/**
* sst_realloc_stream - Send msg for (re-)allocating a stream using the
* @sst_drv_ctx: intel_sst_drv context pointer
* @str_id: stream ID
*
* Send a msg for (re-)allocating a stream using the parameters previously
* passed to sst_alloc_stream_mrfld() for the same stream ID.
* Return: 0 or negative errno value.
*/
int sst_realloc_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
{
struct snd_sst_alloc_response *response;
struct stream_info *str_info;
void *data = NULL;
int ret;
str_info = get_stream_info(sst_drv_ctx, str_id);
if (!str_info)
return -EINVAL;
dev_dbg(sst_drv_ctx->dev, "Alloc for str %d pipe %#x\n",
str_id, str_info->pipe_id);
ret = sst_prepare_and_post_msg(sst_drv_ctx, str_info->task_id, IPC_CMD,
IPC_IA_ALLOC_STREAM_MRFLD, str_info->pipe_id,
sizeof(str_info->alloc_param), &str_info->alloc_param,
&data, true, true, false, true);
if (ret < 0) {
dev_err(sst_drv_ctx->dev, "FW alloc failed ret %d\n", ret);
/* alloc failed, so reset the state to uninit */
str_info->status = STREAM_UN_INIT;
str_id = ret;
} else if (data) {
response = (struct snd_sst_alloc_response *)data;
ret = response->str_type.result;
if (!ret)
goto out;
dev_err(sst_drv_ctx->dev, "FW alloc failed ret %d\n", ret);
if (ret == SST_ERR_STREAM_IN_USE) {
dev_err(sst_drv_ctx->dev,
"FW not in clean state, send free for:%d\n", str_id);
sst_free_stream(sst_drv_ctx, str_id);
}
str_id = -ret;
}
out:
kfree(data);
return str_id;
}
/**
* sst_start_stream - Send msg for a starting stream
* @sst_drv_ctx: intel_sst_drv context pointer
* @str_id: stream ID
*
* This function is called by any function which wants to start
* a stream.
*/
int sst_start_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
{
int retval = 0;
struct stream_info *str_info;
u16 data = 0;
dev_dbg(sst_drv_ctx->dev, "sst_start_stream for %d\n", str_id);
str_info = get_stream_info(sst_drv_ctx, str_id);
if (!str_info)
return -EINVAL;
if (str_info->status != STREAM_RUNNING)
return -EBADRQC;
retval = sst_prepare_and_post_msg(sst_drv_ctx, str_info->task_id,
IPC_CMD, IPC_IA_START_STREAM_MRFLD, str_info->pipe_id,
sizeof(u16), &data, NULL, true, true, true, false);
return retval;
}
int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx,
struct snd_sst_bytes_v2 *bytes)
{ struct ipc_post *msg = NULL;
u32 length;
int pvt_id, ret = 0;
struct sst_block *block = NULL;
u8 bytes_block = bytes->block;
dev_dbg(sst_drv_ctx->dev,
"type:%u ipc_msg:%u block:%u task_id:%u pipe: %#x length:%#x\n",
bytes->type, bytes->ipc_msg, bytes_block, bytes->task_id,
bytes->pipe_id, bytes->len);
if (sst_create_ipc_msg(&msg, true))
return -ENOMEM;
pvt_id = sst_assign_pvt_id(sst_drv_ctx);
sst_fill_header_mrfld(&msg->mrfld_header, bytes->ipc_msg,
bytes->task_id, 1, pvt_id);
msg->mrfld_header.p.header_high.part.res_rqd = bytes_block;
length = bytes->len;
msg->mrfld_header.p.header_low_payload = length;
dev_dbg(sst_drv_ctx->dev, "length is %d\n", length);
memcpy(msg->mailbox_data, &bytes->bytes, bytes->len);
if (bytes_block) {
block = sst_create_block(sst_drv_ctx, bytes->ipc_msg, pvt_id);
if (block == NULL) {
kfree(msg);
ret = -ENOMEM;
goto out;
}
}
sst_add_to_dispatch_list_and_post(sst_drv_ctx, msg);
dev_dbg(sst_drv_ctx->dev, "msg->mrfld_header.p.header_low_payload:%d",
msg->mrfld_header.p.header_low_payload);
if (bytes_block) {
ret = sst_wait_timeout(sst_drv_ctx, block);
if (ret) {
dev_err(sst_drv_ctx->dev, "fw returned err %d\n", ret);
sst_free_block(sst_drv_ctx, block);
goto out;
}
}
if (bytes->type == SND_SST_BYTES_GET) {
/*
* copy the reply and send back
* we need to update only sz and payload
*/
if (bytes_block) {
unsigned char *r = block->data;
dev_dbg(sst_drv_ctx->dev, "read back %d bytes",
bytes->len);
memcpy(bytes->bytes, r, bytes->len);
}
}
if (bytes_block)
sst_free_block(sst_drv_ctx, block);
out:
test_and_clear_bit(pvt_id, &sst_drv_ctx->pvt_id);
return ret;
}
/**
* sst_pause_stream - Send msg for a pausing stream
* @sst_drv_ctx: intel_sst_drv context pointer
* @str_id: stream ID
*
* This function is called by any function which wants to pause
* an already running stream.
*/
int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
{
int retval = 0;
struct stream_info *str_info;
dev_dbg(sst_drv_ctx->dev, "SST DBG:sst_pause_stream for %d\n", str_id);
str_info = get_stream_info(sst_drv_ctx, str_id);
if (!str_info)
return -EINVAL;
if (str_info->status == STREAM_PAUSED)
return 0;
if (str_info->status == STREAM_RUNNING ||
str_info->status == STREAM_INIT) {
if (str_info->prev == STREAM_UN_INIT)
return -EBADRQC;
retval = sst_prepare_and_post_msg(sst_drv_ctx, str_info->task_id, IPC_CMD,
IPC_IA_PAUSE_STREAM_MRFLD, str_info->pipe_id,
0, NULL, NULL, true, true, false, true);
if (retval == 0) {
str_info->prev = str_info->status;
str_info->status = STREAM_PAUSED;
} else if (retval == -SST_ERR_INVALID_STREAM_ID) {
retval = -EINVAL;
mutex_lock(&sst_drv_ctx->sst_lock);
sst_clean_stream(str_info);
mutex_unlock(&sst_drv_ctx->sst_lock);
}
} else {
retval = -EBADRQC;
dev_dbg(sst_drv_ctx->dev, "SST DBG:BADRQC for stream\n");
}
return retval;
}
/**
* sst_resume_stream - Send msg for resuming stream
* @sst_drv_ctx: intel_sst_drv context pointer
* @str_id: stream ID
*
* This function is called by any function which wants to resume
* an already paused stream.
*/
int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
{
int retval = 0;
struct stream_info *str_info;
dev_dbg(sst_drv_ctx->dev, "SST DBG:sst_resume_stream for %d\n", str_id);
str_info = get_stream_info(sst_drv_ctx, str_id);
if (!str_info)
return -EINVAL;
if (str_info->status == STREAM_RUNNING)
return 0;
if (str_info->resume_status == STREAM_PAUSED &&
str_info->resume_prev == STREAM_RUNNING) {
/*
* Stream was running before suspend and re-created on resume,
* start it to get back to running state.
*/
dev_dbg(sst_drv_ctx->dev, "restart recreated stream after resume\n");
str_info->status = STREAM_RUNNING;
str_info->prev = STREAM_PAUSED;
retval = sst_start_stream(sst_drv_ctx, str_id);
str_info->resume_status = STREAM_UN_INIT;
} else if (str_info->resume_status == STREAM_PAUSED &&
str_info->resume_prev == STREAM_INIT) {
/*
* Stream was idle before suspend and re-created on resume,
* keep it as is.
*/
dev_dbg(sst_drv_ctx->dev, "leaving recreated stream idle after resume\n");
str_info->status = STREAM_INIT;
str_info->prev = STREAM_PAUSED;
str_info->resume_status = STREAM_UN_INIT;
} else if (str_info->status == STREAM_PAUSED) {
retval = sst_prepare_and_post_msg(sst_drv_ctx, str_info->task_id,
IPC_CMD, IPC_IA_RESUME_STREAM_MRFLD,
str_info->pipe_id, 0, NULL, NULL,
true, true, false, true);
if (!retval) {
if (str_info->prev == STREAM_RUNNING)
str_info->status = STREAM_RUNNING;
else
str_info->status = STREAM_INIT;
str_info->prev = STREAM_PAUSED;
} else if (retval == -SST_ERR_INVALID_STREAM_ID) {
retval = -EINVAL;
mutex_lock(&sst_drv_ctx->sst_lock);
sst_clean_stream(str_info);
mutex_unlock(&sst_drv_ctx->sst_lock);
}
} else {
retval = -EBADRQC;
dev_err(sst_drv_ctx->dev, "SST ERR: BADQRC for stream\n");
}
return retval;
}
/**
* sst_drop_stream - Send msg for stopping stream
* @sst_drv_ctx: intel_sst_drv context pointer
* @str_id: stream ID
*
* This function is called by any function which wants to stop
* a stream.
*/
int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
{
int retval = 0;
struct stream_info *str_info;
dev_dbg(sst_drv_ctx->dev, "SST DBG:sst_drop_stream for %d\n", str_id);
str_info = get_stream_info(sst_drv_ctx, str_id);
if (!str_info)
return -EINVAL;
if (str_info->status != STREAM_UN_INIT) {
str_info->prev = STREAM_UN_INIT;
str_info->status = STREAM_INIT;
str_info->cumm_bytes = 0;
retval = sst_prepare_and_post_msg(sst_drv_ctx, str_info->task_id,
IPC_CMD, IPC_IA_DROP_STREAM_MRFLD,
str_info->pipe_id, 0, NULL, NULL,
true, true, true, false);
} else {
retval = -EBADRQC;
dev_dbg(sst_drv_ctx->dev, "BADQRC for stream, state %x\n",
str_info->status);
}
return retval;
}
/**
* sst_drain_stream - Send msg for draining stream
* @sst_drv_ctx: intel_sst_drv context pointer
* @str_id: stream ID
* @partial_drain: boolean indicating if a gapless transition is taking place
*
* This function is called by any function which wants to drain
* a stream.
*/
int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx,
int str_id, bool partial_drain)
{
int retval = 0;
struct stream_info *str_info;
dev_dbg(sst_drv_ctx->dev, "SST DBG:sst_drain_stream for %d\n", str_id);
str_info = get_stream_info(sst_drv_ctx, str_id);
if (!str_info)
return -EINVAL;
if (str_info->status != STREAM_RUNNING &&
str_info->status != STREAM_INIT &&
str_info->status != STREAM_PAUSED) {
dev_err(sst_drv_ctx->dev, "SST ERR: BADQRC for stream = %d\n",
str_info->status);
return -EBADRQC;
}
retval = sst_prepare_and_post_msg(sst_drv_ctx, str_info->task_id, IPC_CMD,
IPC_IA_DRAIN_STREAM_MRFLD, str_info->pipe_id,
sizeof(u8), &partial_drain, NULL, true, true, false, false);
/*
* with new non blocked drain implementation in core we dont need to
* wait for respsonse, and need to only invoke callback for drain
* complete
*/
return retval;
}
/**
* sst_free_stream - Frees a stream
* @sst_drv_ctx: intel_sst_drv context pointer
* @str_id: stream ID
*
* This function is called by any function which wants to free
* a stream.
*/
int sst_free_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
{
int retval = 0;
struct stream_info *str_info;
dev_dbg(sst_drv_ctx->dev, "SST DBG:sst_free_stream for %d\n", str_id);
mutex_lock(&sst_drv_ctx->sst_lock);
if (sst_drv_ctx->sst_state == SST_RESET) {
mutex_unlock(&sst_drv_ctx->sst_lock);
return -ENODEV;
}
mutex_unlock(&sst_drv_ctx->sst_lock);
str_info = get_stream_info(sst_drv_ctx, str_id);
if (!str_info)
return -EINVAL;
mutex_lock(&str_info->lock);
if (str_info->status != STREAM_UN_INIT) {
str_info->prev = str_info->status;
str_info->status = STREAM_UN_INIT;
mutex_unlock(&str_info->lock);
dev_dbg(sst_drv_ctx->dev, "Free for str %d pipe %#x\n",
str_id, str_info->pipe_id);
retval = sst_prepare_and_post_msg(sst_drv_ctx, str_info->task_id, IPC_CMD,
IPC_IA_FREE_STREAM_MRFLD, str_info->pipe_id, 0,
NULL, NULL, true, true, false, true);
dev_dbg(sst_drv_ctx->dev, "sst: wait for free returned %d\n",
retval);
mutex_lock(&sst_drv_ctx->sst_lock);
sst_clean_stream(str_info);
mutex_unlock(&sst_drv_ctx->sst_lock);
dev_dbg(sst_drv_ctx->dev, "SST DBG:Stream freed\n");
} else {
mutex_unlock(&str_info->lock);
retval = -EBADRQC;
dev_dbg(sst_drv_ctx->dev, "SST DBG:BADQRC for stream\n");
}
return retval;
}