Commit 1e768c5b authored by Bhawanpreet Lakha's avatar Bhawanpreet Lakha Committed by Alex Deucher
Browse files

drm/amd/display: Add Renoir irq_services (v2) 



Provides the interface to configure display interrrupts on renoir.

v2: rebase fix (Alex)

Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 82f91468

drivers/gpu/drm/amd/display/dc/irq/Makefile

+10 −0
Original line number Diff line number Diff line
@@ -77,3 +77,13 @@ AMD_DAL_IRQ_DCN2 = $(addprefix $(AMDDALPATH)/dc/irq/dcn20/,$(IRQ_DCN2)) 


AMD_DISPLAY_FILES += $(AMD_DAL_IRQ_DCN2)

endif

###############################################################################

# DCN 21

###############################################################################

ifdef CONFIG_DRM_AMD_DC_DCN2_1

IRQ_DCN21 = irq_service_dcn21.o



AMD_DAL_IRQ_DCN21= $(addprefix $(AMDDALPATH)/dc/irq/dcn21/,$(IRQ_DCN21))



AMD_DISPLAY_FILES += $(AMD_DAL_IRQ_DCN21)

endif

drivers/gpu/drm/amd/display/dc/irq/dcn21/irq_service_dcn21.c

0 → 100644
+374 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2018 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 <linux/slab.h>



#include "dm_services.h"



#include "include/logger_interface.h"



#include "../dce110/irq_service_dce110.h"



#include "dcn/dcn_2_1_0_offset.h"

#include "dcn/dcn_2_1_0_sh_mask.h"

#include "renoir_ip_offset.h"





#include "irq_service_dcn21.h"



#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"



enum dc_irq_source to_dal_irq_source_dcn21(

		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__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__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:

		break;

	}

	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 const struct irq_source_info_funcs hpd_irq_info_funcs = {

	.set = NULL,

	.ack = hpd_ack

};



static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = {

	.set = NULL,

	.ack = NULL

};



static const struct irq_source_info_funcs pflip_irq_info_funcs = {

	.set = NULL,

	.ack = NULL

};



static const struct irq_source_info_funcs vblank_irq_info_funcs = {

	.set = NULL,

	.ack = NULL

};



#undef BASE_INNER

#define BASE_INNER(seg) DMU_BASE__INST0_SEG ## seg



/* compile time expand base address. */

#define BASE(seg) \

	BASE_INNER(seg)





#define SRI(reg_name, block, id)\

	BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \

			mm ## block ## id ## _ ## reg_name





#define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\

	.enable_reg = SRI(reg1, block, reg_num),\

	.enable_mask = \

		block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\

	.enable_value = {\

		block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\

		~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \

	},\

	.ack_reg = SRI(reg2, block, reg_num),\

	.ack_mask = \

		block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\

	.ack_value = \

		block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \







#define hpd_int_entry(reg_num)\

	[DC_IRQ_SOURCE_HPD1 + reg_num] = {\

		IRQ_REG_ENTRY(HPD, reg_num,\

			DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\

			DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\

		.status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\

		.funcs = &hpd_irq_info_funcs\

	}



#define hpd_rx_int_entry(reg_num)\

	[DC_IRQ_SOURCE_HPD1RX + reg_num] = {\

		IRQ_REG_ENTRY(HPD, reg_num,\

			DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\

			DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\

		.status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\

		.funcs = &hpd_rx_irq_info_funcs\

	}

#define pflip_int_entry(reg_num)\

	[DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\

		IRQ_REG_ENTRY(HUBPREQ, reg_num,\

			DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\

			DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\

		.funcs = &pflip_irq_info_funcs\

	}



#define vupdate_int_entry(reg_num)\

	[DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\

		IRQ_REG_ENTRY(OTG, reg_num,\

			OTG_GLOBAL_SYNC_STATUS, VUPDATE_INT_EN,\

			OTG_GLOBAL_SYNC_STATUS, VUPDATE_EVENT_CLEAR),\

		.funcs = &vblank_irq_info_funcs\

	}



#define vblank_int_entry(reg_num)\

	[DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\

		IRQ_REG_ENTRY(OTG, reg_num,\

			OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\

			OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\

		.funcs = &vblank_irq_info_funcs\

	}



#define dummy_irq_entry() \

	{\

		.funcs = &dummy_irq_info_funcs\

	}



#define i2c_int_entry(reg_num) \

	[DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry()



#define dp_sink_int_entry(reg_num) \

	[DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry()



#define gpio_pad_int_entry(reg_num) \

	[DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry()



#define dc_underflow_int_entry(reg_num) \

	[DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry()



static const struct irq_source_info_funcs dummy_irq_info_funcs = {

	.set = dal_irq_service_dummy_set,

	.ack = dal_irq_service_dummy_ack

};



static const struct irq_source_info

irq_source_info_dcn21[DAL_IRQ_SOURCES_NUMBER] = {

	[DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(),

	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),

	[DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(),

	pflip_int_entry(0),

	pflip_int_entry(1),

	pflip_int_entry(2),

	pflip_int_entry(3),

	[DC_IRQ_SOURCE_PFLIP5] = dummy_irq_entry(),

	[DC_IRQ_SOURCE_PFLIP6] = dummy_irq_entry(),

	[DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),

	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),

	[DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(),

	[DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(),

	vupdate_int_entry(0),

	vupdate_int_entry(1),

	vupdate_int_entry(2),

	vupdate_int_entry(3),

	vupdate_int_entry(4),

	vupdate_int_entry(5),

	vblank_int_entry(0),

	vblank_int_entry(1),

	vblank_int_entry(2),

	vblank_int_entry(3),

	vblank_int_entry(4),

	vblank_int_entry(5),

};



static const struct irq_service_funcs irq_service_funcs_dcn21 = {

		.to_dal_irq_source = to_dal_irq_source_dcn21

};



static void construct(

	struct irq_service *irq_service,

	struct irq_service_init_data *init_data)

{

	dal_irq_service_construct(irq_service, init_data);



	irq_service->info = irq_source_info_dcn21;

	irq_service->funcs = &irq_service_funcs_dcn21;

}



struct irq_service *dal_irq_service_dcn21_create(

	struct irq_service_init_data *init_data)

{

	struct irq_service *irq_service = kzalloc(sizeof(*irq_service),

						  GFP_KERNEL);



	if (!irq_service)

		return NULL;



	construct(irq_service, init_data);

	return irq_service;

}

drivers/gpu/drm/amd/display/dc/irq/dcn21/irq_service_dcn21.h

0 → 100644
+34 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2018 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 __DAL_IRQ_SERVICE_DCN21_H__

#define __DAL_IRQ_SERVICE_DCN21_H__



#include "../irq_service.h"



struct irq_service *dal_irq_service_dcn21_create(

	struct irq_service_init_data *init_data);



#endif