Resguardo inicial

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dccg/dcn30/dcn30_dccg.c

@@ -0,0 +1,147 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "reg_helper.h"
+#include "core_types.h"
+#include "dcn30_dccg.h"
+
+#define TO_DCN_DCCG(dccg)\
+	container_of(dccg, struct dcn_dccg, base)
+
+#define REG(reg) \
+	(dccg_dcn->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+	dccg_dcn->dccg_shift->field_name, dccg_dcn->dccg_mask->field_name
+
+#define CTX \
+	dccg_dcn->base.ctx
+#define DC_LOGGER \
+	dccg->ctx->logger
+
+void dccg3_enable_hdmicharclk(struct dccg *dccg, int hpo_inst, int phypll_inst)
+{
+	struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+
+	ASSERT(hpo_inst >= 0 && phypll_inst >= 0);
+	REG_UPDATE_2(HDMICHARCLK_CLOCK_CNTL[hpo_inst],
+			HDMICHARCLK0_EN, 1,
+			HDMICHARCLK0_SRC_SEL, phypll_inst);
+
+	/* Enable FORCE_EN for SYMCLK */
+	switch (phypll_inst) {
+	case 0:
+		REG_UPDATE_2(PHYASYMCLK_CLOCK_CNTL,
+				PHYASYMCLK_FORCE_EN, 1,
+				PHYASYMCLK_FORCE_SRC_SEL, 1);
+		break;
+	case 1:
+		REG_UPDATE_2(PHYBSYMCLK_CLOCK_CNTL,
+				PHYBSYMCLK_FORCE_EN, 1,
+				PHYBSYMCLK_FORCE_SRC_SEL, 1);
+		break;
+	case 2:
+		REG_UPDATE_2(PHYCSYMCLK_CLOCK_CNTL,
+				PHYCSYMCLK_FORCE_EN, 1,
+				PHYCSYMCLK_FORCE_SRC_SEL, 1);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		return;
+	}
+}
+
+void dccg3_disable_hdmicharclk(struct dccg *dccg, int hpo_inst)
+{
+	struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+
+	REG_WRITE(HDMICHARCLK_CLOCK_CNTL[hpo_inst], 0);
+}
+
+static const struct dccg_funcs dccg3_funcs = {
+	.enable_hdmicharclk = dccg3_enable_hdmicharclk,
+	.disable_hdmicharclk = dccg3_disable_hdmicharclk,
+	.update_dpp_dto = dccg2_update_dpp_dto,
+	.get_dccg_ref_freq = dccg2_get_dccg_ref_freq,
+	.set_fifo_errdet_ovr_en = dccg2_set_fifo_errdet_ovr_en,
+	.otg_add_pixel = dccg2_otg_add_pixel,
+	.otg_drop_pixel = dccg2_otg_drop_pixel,
+	.dccg_init = dccg2_init,
+	.refclk_setup = dccg2_refclk_setup, /* Deprecated - for backward compatibility only */
+	.allow_clock_gating = dccg2_allow_clock_gating,
+	.enable_memory_low_power = dccg2_enable_memory_low_power,
+	.is_s0i3_golden_init_wa_done = dccg2_is_s0i3_golden_init_wa_done /* Deprecated - for backward compatibility only */
+};
+
+struct dccg *dccg3_create(
+	struct dc_context *ctx,
+	const struct dccg_registers *regs,
+	const struct dccg_shift *dccg_shift,
+	const struct dccg_mask *dccg_mask)
+{
+	struct dcn_dccg *dccg_dcn = kzalloc_obj(*dccg_dcn);
+	struct dccg *base;
+
+	if (dccg_dcn == NULL) {
+		BREAK_TO_DEBUGGER();
+		return NULL;
+	}
+
+	base = &dccg_dcn->base;
+	base->ctx = ctx;
+	base->funcs = &dccg3_funcs;
+
+	dccg_dcn->regs = regs;
+	dccg_dcn->dccg_shift = dccg_shift;
+	dccg_dcn->dccg_mask = dccg_mask;
+
+	return &dccg_dcn->base;
+}
+
+struct dccg *dccg30_create(
+	struct dc_context *ctx,
+	const struct dccg_registers *regs,
+	const struct dccg_shift *dccg_shift,
+	const struct dccg_mask *dccg_mask)
+{
+	struct dcn_dccg *dccg_dcn = kzalloc_obj(*dccg_dcn);
+	struct dccg *base;
+
+	if (dccg_dcn == NULL) {
+		BREAK_TO_DEBUGGER();
+		return NULL;
+	}
+
+	base = &dccg_dcn->base;
+	base->ctx = ctx;
+	base->funcs = &dccg3_funcs;
+
+	dccg_dcn->regs = regs;
+	dccg_dcn->dccg_shift = dccg_shift;
+	dccg_dcn->dccg_mask = dccg_mask;
+
+	return &dccg_dcn->base;
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dccg/dcn30/dcn30_dccg.h

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DCN30_DCCG_H__
+#define __DCN30_DCCG_H__
+
+#include "dcn20/dcn20_dccg.h"
+
+
+#define DCCG_REG_LIST_DCN30() \
+	DCCG_REG_LIST_DCN2(),\
+	DCCG_SRII(CLOCK_CNTL, HDMICHARCLK, 0),\
+	DCCG_SRII(PIXEL_RATE_CNTL, OTG, 2),\
+	DCCG_SRII(PIXEL_RATE_CNTL, OTG, 3),\
+	DCCG_SRII(PIXEL_RATE_CNTL, OTG, 4),\
+	DCCG_SRII(PIXEL_RATE_CNTL, OTG, 5),\
+	SR(PHYASYMCLK_CLOCK_CNTL),\
+	SR(PHYBSYMCLK_CLOCK_CNTL),\
+	SR(PHYCSYMCLK_CLOCK_CNTL)
+
+#define DCCG_MASK_SH_LIST_DCN3(mask_sh) \
+	DCCG_MASK_SH_LIST_DCN2(mask_sh),\
+	DCCG_SF(HDMICHARCLK0_CLOCK_CNTL, HDMICHARCLK0_EN, mask_sh),\
+	DCCG_SF(HDMICHARCLK0_CLOCK_CNTL, HDMICHARCLK0_SRC_SEL, mask_sh),\
+	DCCG_SF(PHYASYMCLK_CLOCK_CNTL, PHYASYMCLK_FORCE_EN, mask_sh),\
+	DCCG_SF(PHYASYMCLK_CLOCK_CNTL, PHYASYMCLK_FORCE_SRC_SEL, mask_sh),\
+	DCCG_SF(PHYBSYMCLK_CLOCK_CNTL, PHYBSYMCLK_FORCE_EN, mask_sh),\
+	DCCG_SF(PHYBSYMCLK_CLOCK_CNTL, PHYBSYMCLK_FORCE_SRC_SEL, mask_sh),\
+	DCCG_SF(PHYCSYMCLK_CLOCK_CNTL, PHYCSYMCLK_FORCE_EN, mask_sh),\
+	DCCG_SF(PHYCSYMCLK_CLOCK_CNTL, PHYCSYMCLK_FORCE_SRC_SEL, mask_sh),\
+
+struct dccg *dccg3_create(
+	struct dc_context *ctx,
+	const struct dccg_registers *regs,
+	const struct dccg_shift *dccg_shift,
+	const struct dccg_mask *dccg_mask);
+
+struct dccg *dccg30_create(
+	struct dc_context *ctx,
+	const struct dccg_registers *regs,
+	const struct dccg_shift *dccg_shift,
+	const struct dccg_mask *dccg_mask);
+
+void dccg3_enable_hdmicharclk(
+	struct dccg *dccg,
+	int hpo_inst,
+	int phypll_inst);
+
+void dccg3_disable_hdmicharclk(
+	struct dccg *dccg,
+	int hpo_inst);
+#endif //__DCN30_DCCG_H__