drm/amd/display: add DCN351 IRQ changes

Add DCN3.5.1 interrupt support.

Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

3 files changed, 431 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/irq/Makefile b/drivers/gpu/drm/amd/display/dc/irq/Makefile
index 076f667a82f6..2d4378780c1a 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/irq/Makefile
@@ -170,4 +170,13 @@ IRQ_DCN35 = irq_service_dcn35.o
 
 AMD_DAL_IRQ_DCN35= $(addprefix $(AMDDALPATH)/dc/irq/dcn35/,$(IRQ_DCN35))
 
-AMD_DISPLAY_FILES += $(AMD_DAL_IRQ_DCN35)
\ No newline at end of file
+AMD_DISPLAY_FILES += $(AMD_DAL_IRQ_DCN35)
+
+###############################################################################
+# DCN 351
+###############################################################################
+IRQ_DCN351 = irq_service_dcn351.o
+
+AMD_DAL_IRQ_DCN351= $(addprefix $(AMDDALPATH)/dc/irq/dcn351/,$(IRQ_DCN351))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_IRQ_DCN351)
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn351/irq_service_dcn351.c b/drivers/gpu/drm/amd/display/dc/irq/dcn351/irq_service_dcn351.c
new file mode 100644
index 000000000000..7ec8e0de2f01
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn351/irq_service_dcn351.c
@@ -0,0 +1,409 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright 2024 Advanced Micro Devices, Inc. */
+
+#include "dm_services.h"
+#include "include/logger_interface.h"
+#include "../dce110/irq_service_dce110.h"
+
+
+#include "dcn/dcn_3_5_1_offset.h"
+#include "dcn/dcn_3_5_1_sh_mask.h"
+
+#include "irq_service_dcn351.h"
+
+#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
+
+static enum dc_irq_source to_dal_irq_source_dcn351(
+		struct irq_service *irq_service,
+		uint32_t src_id,
+		uint32_t ext_id)
+{
+	switch (src_id) {
+	case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
+		return DC_IRQ_SOURCE_VBLANK1;
+	case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP:
+		return DC_IRQ_SOURCE_VBLANK2;
+	case DCN_1_0__SRCID__DC_D3_OTG_VSTARTUP:
+		return DC_IRQ_SOURCE_VBLANK3;
+	case DCN_1_0__SRCID__DC_D4_OTG_VSTARTUP:
+		return DC_IRQ_SOURCE_VBLANK4;
+	case DCN_1_0__SRCID__DC_D5_OTG_VSTARTUP:
+		return DC_IRQ_SOURCE_VBLANK5;
+	case DCN_1_0__SRCID__DC_D6_OTG_VSTARTUP:
+		return DC_IRQ_SOURCE_VBLANK6;
+	case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL:
+		return DC_IRQ_SOURCE_DC1_VLINE0;
+	case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL:
+		return DC_IRQ_SOURCE_DC2_VLINE0;
+	case DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL:
+		return DC_IRQ_SOURCE_DC3_VLINE0;
+	case DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL:
+		return DC_IRQ_SOURCE_DC4_VLINE0;
+	case DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL:
+		return DC_IRQ_SOURCE_DC5_VLINE0;
+	case DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL:
+		return DC_IRQ_SOURCE_DC6_VLINE0;
+	case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT:
+		return DC_IRQ_SOURCE_PFLIP1;
+	case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT:
+		return DC_IRQ_SOURCE_PFLIP2;
+	case DCN_1_0__SRCID__HUBP2_FLIP_INTERRUPT:
+		return DC_IRQ_SOURCE_PFLIP3;
+	case DCN_1_0__SRCID__HUBP3_FLIP_INTERRUPT:
+		return DC_IRQ_SOURCE_PFLIP4;
+	case DCN_1_0__SRCID__HUBP4_FLIP_INTERRUPT:
+		return DC_IRQ_SOURCE_PFLIP5;
+	case DCN_1_0__SRCID__HUBP5_FLIP_INTERRUPT:
+		return DC_IRQ_SOURCE_PFLIP6;
+	case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+		return DC_IRQ_SOURCE_VUPDATE1;
+	case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+		return DC_IRQ_SOURCE_VUPDATE2;
+	case DCN_1_0__SRCID__OTG2_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+		return DC_IRQ_SOURCE_VUPDATE3;
+	case DCN_1_0__SRCID__OTG3_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+		return DC_IRQ_SOURCE_VUPDATE4;
+	case DCN_1_0__SRCID__OTG4_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+		return DC_IRQ_SOURCE_VUPDATE5;
+	case DCN_1_0__SRCID__OTG5_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+		return DC_IRQ_SOURCE_VUPDATE6;
+	case DCN_1_0__SRCID__DMCUB_OUTBOX_LOW_PRIORITY_READY_INT:
+		return DC_IRQ_SOURCE_DMCUB_OUTBOX;
+	case DCN_1_0__SRCID__DC_HPD1_INT:
+		/* generic src_id for all HPD and HPDRX interrupts */
+		switch (ext_id) {
+		case DCN_1_0__CTXID__DC_HPD1_INT:
+			return DC_IRQ_SOURCE_HPD1;
+		case DCN_1_0__CTXID__DC_HPD2_INT:
+			return DC_IRQ_SOURCE_HPD2;
+		case DCN_1_0__CTXID__DC_HPD3_INT:
+			return DC_IRQ_SOURCE_HPD3;
+		case DCN_1_0__CTXID__DC_HPD4_INT:
+			return DC_IRQ_SOURCE_HPD4;
+		case DCN_1_0__CTXID__DC_HPD5_INT:
+			return DC_IRQ_SOURCE_HPD5;
+		case DCN_1_0__CTXID__DC_HPD6_INT:
+			return DC_IRQ_SOURCE_HPD6;
+		case DCN_1_0__CTXID__DC_HPD1_RX_INT:
+			return DC_IRQ_SOURCE_HPD1RX;
+		case DCN_1_0__CTXID__DC_HPD2_RX_INT:
+			return DC_IRQ_SOURCE_HPD2RX;
+		case DCN_1_0__CTXID__DC_HPD3_RX_INT:
+			return DC_IRQ_SOURCE_HPD3RX;
+		case DCN_1_0__CTXID__DC_HPD4_RX_INT:
+			return DC_IRQ_SOURCE_HPD4RX;
+		case DCN_1_0__CTXID__DC_HPD5_RX_INT:
+			return DC_IRQ_SOURCE_HPD5RX;
+		case DCN_1_0__CTXID__DC_HPD6_RX_INT:
+			return DC_IRQ_SOURCE_HPD6RX;
+		default:
+			return DC_IRQ_SOURCE_INVALID;
+		}
+		break;
+
+	default:
+		return DC_IRQ_SOURCE_INVALID;
+	}
+}
+
+static bool hpd_ack(
+	struct irq_service *irq_service,
+	const struct irq_source_info *info)
+{
+	uint32_t addr = info->status_reg;
+	uint32_t value = dm_read_reg(irq_service->ctx, addr);
+	uint32_t current_status =
+		get_reg_field_value(
+			value,
+			HPD0_DC_HPD_INT_STATUS,
+			DC_HPD_SENSE_DELAYED);
+
+	dal_irq_service_ack_generic(irq_service, info);
+
+	value = dm_read_reg(irq_service->ctx, info->enable_reg);
+
+	set_reg_field_value(
+		value,
+		current_status ? 0 : 1,
+		HPD0_DC_HPD_INT_CONTROL,
+		DC_HPD_INT_POLARITY);
+
+	dm_write_reg(irq_service->ctx, info->enable_reg, value);
+
+	return true;
+}
+
+static struct irq_source_info_funcs hpd_irq_info_funcs = {
+	.set = NULL,
+	.ack = hpd_ack
+};
+
+static struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
+static struct irq_source_info_funcs pflip_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
+static struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
+static struct irq_source_info_funcs vblank_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
+static struct irq_source_info_funcs outbox_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
+static struct irq_source_info_funcs vline0_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
+#undef BASE_INNER
+#define BASE_INNER(seg) ctx->dcn_reg_offsets[seg]
+
+/* compile time expand base address. */
+#define BASE(seg) \
+	BASE_INNER(seg)
+
+#define SRI(reg_name, block, id)\
+	BASE(reg ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
+			reg ## block ## id ## _ ## reg_name
+
+#define SRI_DMUB(reg_name)\
+	BASE(reg ## reg_name ## _BASE_IDX) + \
+			reg ## reg_name
+
+#define IRQ_REG_ENTRY(base, block, reg_num, reg1, mask1, reg2, mask2)\
+	REG_STRUCT[base + reg_num].enable_reg = SRI(reg1, block, reg_num),\
+	REG_STRUCT[base + reg_num].enable_mask = \
+		block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
+	REG_STRUCT[base + reg_num].enable_value[0] = \
+		block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
+	REG_STRUCT[base + reg_num].enable_value[1] = \
+		~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK, \
+	REG_STRUCT[base + reg_num].ack_reg = SRI(reg2, block, reg_num),\
+	REG_STRUCT[base + reg_num].ack_mask = \
+		block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\
+	REG_STRUCT[base + reg_num].ack_value = \
+		block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \
+
+#define IRQ_REG_ENTRY_DMUB(base, reg1, mask1, reg2, mask2)\
+	REG_STRUCT[base].enable_reg = SRI_DMUB(reg1),\
+	REG_STRUCT[base].enable_mask = \
+		reg1 ## __ ## mask1 ## _MASK,\
+	REG_STRUCT[base].enable_value[0] = \
+		reg1 ## __ ## mask1 ## _MASK,\
+	REG_STRUCT[base].enable_value[1] = \
+		~reg1 ## __ ## mask1 ## _MASK, \
+	REG_STRUCT[base].ack_reg = SRI_DMUB(reg2),\
+	REG_STRUCT[base].ack_mask = \
+		reg2 ## __ ## mask2 ## _MASK,\
+	REG_STRUCT[base].ack_value = \
+		reg2 ## __ ## mask2 ## _MASK \
+
+#define hpd_int_entry(reg_num)\
+		IRQ_REG_ENTRY(DC_IRQ_SOURCE_HPD1, HPD, reg_num,\
+			DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\
+			DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\
+		REG_STRUCT[DC_IRQ_SOURCE_HPD1 + reg_num].funcs = &hpd_irq_info_funcs;\
+		REG_STRUCT[DC_IRQ_SOURCE_HPD1 + reg_num].status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num);\
+
+#define hpd_rx_int_entry(reg_num)\
+		IRQ_REG_ENTRY(DC_IRQ_SOURCE_HPD1RX, HPD, reg_num,\
+			DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\
+			DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\
+		REG_STRUCT[DC_IRQ_SOURCE_HPD1RX + reg_num].status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num);\
+		REG_STRUCT[DC_IRQ_SOURCE_HPD1RX + reg_num].funcs = &hpd_rx_irq_info_funcs;\
+
+#define pflip_int_entry(reg_num)\
+		IRQ_REG_ENTRY(DC_IRQ_SOURCE_PFLIP1, HUBPREQ, reg_num,\
+			DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\
+			DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\
+		REG_STRUCT[DC_IRQ_SOURCE_PFLIP1 + reg_num].funcs = &pflip_irq_info_funcs\
+
+/* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic
+ * of DCE's DC_IRQ_SOURCE_VUPDATEx.
+ */
+#define vupdate_no_lock_int_entry(reg_num)\
+		IRQ_REG_ENTRY(DC_IRQ_SOURCE_VUPDATE1, OTG, reg_num,\
+			OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\
+			OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\
+		REG_STRUCT[DC_IRQ_SOURCE_VUPDATE1 + reg_num].funcs = &vupdate_no_lock_irq_info_funcs\
+
+#define vblank_int_entry(reg_num)\
+		IRQ_REG_ENTRY(DC_IRQ_SOURCE_VBLANK1, OTG, reg_num,\
+			OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\
+			OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\
+		REG_STRUCT[DC_IRQ_SOURCE_VBLANK1 + reg_num].funcs = &vblank_irq_info_funcs\
+
+#define vline0_int_entry(reg_num)\
+		IRQ_REG_ENTRY(DC_IRQ_SOURCE_DC1_VLINE0, OTG, reg_num,\
+			OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\
+			OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
+		REG_STRUCT[DC_IRQ_SOURCE_DC1_VLINE0 + reg_num].funcs = &vline0_irq_info_funcs\
+
+#define dmub_outbox_int_entry()\
+		IRQ_REG_ENTRY_DMUB(DC_IRQ_SOURCE_DMCUB_OUTBOX, \
+			DMCUB_INTERRUPT_ENABLE, DMCUB_OUTBOX1_READY_INT_EN,\
+			DMCUB_INTERRUPT_ACK, DMCUB_OUTBOX1_READY_INT_ACK),\
+		REG_STRUCT[DC_IRQ_SOURCE_DMCUB_OUTBOX].funcs = &outbox_irq_info_funcs
+
+#define dummy_irq_entry(irqno) \
+	REG_STRUCT[irqno].funcs = &dummy_irq_info_funcs\
+
+#define i2c_int_entry(reg_num) \
+	dummy_irq_entry(DC_IRQ_SOURCE_I2C_DDC ## reg_num)
+
+#define dp_sink_int_entry(reg_num) \
+	dummy_irq_entry(DC_IRQ_SOURCE_DPSINK ## reg_num)
+
+#define gpio_pad_int_entry(reg_num) \
+	dummy_irq_entry(DC_IRQ_SOURCE_GPIOPAD ## reg_num)
+
+#define dc_underflow_int_entry(reg_num) \
+	dummy_irq_entry(DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW)
+
+static struct irq_source_info_funcs dummy_irq_info_funcs = {
+	.set = dal_irq_service_dummy_set,
+	.ack = dal_irq_service_dummy_ack
+};
+
+#define dcn351_irq_init_part_1() {\
+	dummy_irq_entry(DC_IRQ_SOURCE_INVALID); \
+	hpd_int_entry(0); \
+	hpd_int_entry(1); \
+	hpd_int_entry(2); \
+	hpd_int_entry(3); \
+	hpd_int_entry(4); \
+	hpd_rx_int_entry(0); \
+	hpd_rx_int_entry(1); \
+	hpd_rx_int_entry(2); \
+	hpd_rx_int_entry(3); \
+	hpd_rx_int_entry(4); \
+	i2c_int_entry(1); \
+	i2c_int_entry(2); \
+	i2c_int_entry(3); \
+	i2c_int_entry(4); \
+	i2c_int_entry(5); \
+	i2c_int_entry(6); \
+	dp_sink_int_entry(1); \
+	dp_sink_int_entry(2); \
+	dp_sink_int_entry(3); \
+	dp_sink_int_entry(4); \
+	dp_sink_int_entry(5); \
+	dp_sink_int_entry(6); \
+	dummy_irq_entry(DC_IRQ_SOURCE_TIMER); \
+	pflip_int_entry(0); \
+	pflip_int_entry(1); \
+	pflip_int_entry(2); \
+	pflip_int_entry(3); \
+	dummy_irq_entry(DC_IRQ_SOURCE_PFLIP5); \
+	dummy_irq_entry(DC_IRQ_SOURCE_PFLIP6); \
+	dummy_irq_entry(DC_IRQ_SOURCE_PFLIP_UNDERLAY0); \
+	gpio_pad_int_entry(0); \
+	gpio_pad_int_entry(1); \
+	gpio_pad_int_entry(2); \
+	gpio_pad_int_entry(3); \
+	gpio_pad_int_entry(4); \
+	gpio_pad_int_entry(5); \
+	gpio_pad_int_entry(6); \
+	gpio_pad_int_entry(7); \
+	gpio_pad_int_entry(8); \
+	gpio_pad_int_entry(9); \
+	gpio_pad_int_entry(10); \
+	gpio_pad_int_entry(11); \
+	gpio_pad_int_entry(12); \
+	gpio_pad_int_entry(13); \
+	gpio_pad_int_entry(14); \
+	gpio_pad_int_entry(15); \
+	gpio_pad_int_entry(16); \
+	gpio_pad_int_entry(17); \
+	gpio_pad_int_entry(18); \
+	gpio_pad_int_entry(19); \
+	gpio_pad_int_entry(20); \
+	gpio_pad_int_entry(21); \
+	gpio_pad_int_entry(22); \
+	gpio_pad_int_entry(23); \
+	gpio_pad_int_entry(24); \
+	gpio_pad_int_entry(25); \
+	gpio_pad_int_entry(26); \
+	gpio_pad_int_entry(27); \
+	gpio_pad_int_entry(28); \
+	gpio_pad_int_entry(29); \
+	gpio_pad_int_entry(30); \
+	dc_underflow_int_entry(1); \
+	dc_underflow_int_entry(2); \
+	dc_underflow_int_entry(3); \
+	dc_underflow_int_entry(4); \
+	dc_underflow_int_entry(5); \
+	dc_underflow_int_entry(6); \
+	dummy_irq_entry(DC_IRQ_SOURCE_DMCU_SCP); \
+	dummy_irq_entry(DC_IRQ_SOURCE_VBIOS_SW); \
+}
+
+#define dcn351_irq_init_part_2() {\
+	vupdate_no_lock_int_entry(0); \
+	vupdate_no_lock_int_entry(1); \
+	vupdate_no_lock_int_entry(2); \
+	vupdate_no_lock_int_entry(3); \
+	vblank_int_entry(0); \
+	vblank_int_entry(1); \
+	vblank_int_entry(2); \
+	vblank_int_entry(3); \
+	vline0_int_entry(0); \
+	vline0_int_entry(1); \
+	vline0_int_entry(2); \
+	vline0_int_entry(3); \
+	dummy_irq_entry(DC_IRQ_SOURCE_DC5_VLINE1); \
+	dummy_irq_entry(DC_IRQ_SOURCE_DC6_VLINE1); \
+	dmub_outbox_int_entry(); \
+}
+
+#define dcn351_irq_init() {\
+	dcn351_irq_init_part_1(); \
+	dcn351_irq_init_part_2(); \
+}
+
+static struct irq_source_info irq_source_info_dcn351[DAL_IRQ_SOURCES_NUMBER] = {0};
+
+static struct irq_service_funcs irq_service_funcs_dcn351 = {
+		.to_dal_irq_source = to_dal_irq_source_dcn351
+};
+
+static void dcn351_irq_construct(
+	struct irq_service *irq_service,
+	struct irq_service_init_data *init_data)
+{
+	struct dc_context *ctx = init_data->ctx;
+
+#define REG_STRUCT irq_source_info_dcn351
+	dcn351_irq_init();
+
+	dal_irq_service_construct(irq_service, init_data);
+
+	irq_service->info = irq_source_info_dcn351;
+	irq_service->funcs = &irq_service_funcs_dcn351;
+}
+
+struct irq_service *dal_irq_service_dcn351_create(
+	struct irq_service_init_data *init_data)
+{
+	struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
+						  GFP_KERNEL);
+
+	if (!irq_service)
+		return NULL;
+
+	dcn351_irq_construct(irq_service, init_data);
+	return irq_service;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn351/irq_service_dcn351.h b/drivers/gpu/drm/amd/display/dc/irq/dcn351/irq_service_dcn351.h
new file mode 100644
index 000000000000..4094631ffec6
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn351/irq_service_dcn351.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright 2021 Advanced Micro Devices, Inc. */
+
+#ifndef __DAL_IRQ_SERVICE_DCN351_H__
+#define __DAL_IRQ_SERVICE_DCN351_H__
+
+#include "../irq_service.h"
+
+struct irq_service *dal_irq_service_dcn351_create(
+	struct irq_service_init_data *init_data);
+
+#endif /* __DAL_IRQ_SERVICE_DCN351_H__ */