Commit 3c10f4fb authored by Bhawanpreet Lakha's avatar Bhawanpreet Lakha Committed by Alex Deucher
Browse files

drm/amd/display: Add DCN3 VPG 



Video Package generator.

used to prepare avi info, DP info etc

Signed-off-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 73de3de5

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.c

0 → 100644
+194 −0
Original line number Diff line number Diff line 
/*

 * 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 "dc_bios_types.h"

#include "dcn30_vpg.h"

#include "reg_helper.h"



#define DC_LOGGER \

		vpg3->base.ctx->logger



#define REG(reg)\

	(vpg3->regs->reg)



#undef FN

#define FN(reg_name, field_name) \

	vpg3->vpg_shift->field_name, vpg3->vpg_mask->field_name





#define CTX \

	vpg3->base.ctx





static void vpg3_update_generic_info_packet(

	struct vpg *vpg,

	uint32_t packet_index,

	const struct dc_info_packet *info_packet)

{

	struct dcn30_vpg *vpg3 = DCN30_VPG_FROM_VPG(vpg);

	uint32_t i;



	/* TODOFPGA Figure out a proper number for max_retries polling for lock

	 * use 50 for now.

	 */

	uint32_t max_retries = 50;



	if (packet_index > 14)

		ASSERT(0);



	/* poll dig_update_lock is not locked -> asic internal signal

	 * assume otg master lock will unlock it

	 */

	/* REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_LOCK_STATUS,

	 * 		0, 10, max_retries);

	 */



	/* TODO: Check if this is required */

	/* check if HW reading GSP memory */

	REG_WAIT(VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_OCCURED,

			0, 10, max_retries);



	/* HW does is not reading GSP memory not reading too long ->

	 * something wrong. clear GPS memory access and notify?

	 * hw SW is writing to GSP memory

	 */

	REG_UPDATE(VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_CLR, 1);



	/* choose which generic packet to use */

	REG_UPDATE(VPG_GENERIC_PACKET_ACCESS_CTRL,

			VPG_GENERIC_DATA_INDEX, packet_index*9);



	/* write generic packet header

	 * (4th byte is for GENERIC0 only)

	 */

	REG_SET_4(VPG_GENERIC_PACKET_DATA, 0,

			VPG_GENERIC_DATA_BYTE0, info_packet->hb0,

			VPG_GENERIC_DATA_BYTE1, info_packet->hb1,

			VPG_GENERIC_DATA_BYTE2, info_packet->hb2,

			VPG_GENERIC_DATA_BYTE3, info_packet->hb3);



	/* write generic packet contents

	 * (we never use last 4 bytes)

	 * there are 8 (0-7) mmDIG0_AFMT_GENERIC0_x registers

	 */

	{

		const uint32_t *content =

			(const uint32_t *) &info_packet->sb[0];



		for (i = 0; i < 8; i++) {

			REG_WRITE(VPG_GENERIC_PACKET_DATA, *content++);

		}

	}



	/* atomically update double-buffered GENERIC0 registers in frame mode

	 * (update at next block_update when block_update_lock == 0).

	 */

	switch (packet_index) {

	case 0:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC0_FRAME_UPDATE, 1);

		break;

	case 1:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC1_FRAME_UPDATE, 1);

		break;

	case 2:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC2_FRAME_UPDATE, 1);

		break;

	case 3:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC3_FRAME_UPDATE, 1);

		break;

	case 4:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC4_FRAME_UPDATE, 1);

		break;

	case 5:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC5_FRAME_UPDATE, 1);

		break;

	case 6:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC6_FRAME_UPDATE, 1);

		break;

	case 7:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC7_FRAME_UPDATE, 1);

		break;

	case 8:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC8_FRAME_UPDATE, 1);

		break;

	case 9:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC9_FRAME_UPDATE, 1);

		break;

	case 10:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC10_FRAME_UPDATE, 1);

		break;

	case 11:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC11_FRAME_UPDATE, 1);

		break;

	case 12:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC12_FRAME_UPDATE, 1);

		break;

	case 13:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC13_FRAME_UPDATE, 1);

		break;

	case 14:

		REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,

				VPG_GENERIC14_FRAME_UPDATE, 1);

		break;

	default:

		break;

	}

}



static struct vpg_funcs dcn30_vpg_funcs = {

	.update_generic_info_packet	= vpg3_update_generic_info_packet,

};



void vpg3_construct(struct dcn30_vpg *vpg3,

	struct dc_context *ctx,

	uint32_t inst,

	const struct dcn30_vpg_registers *vpg_regs,

	const struct dcn30_vpg_shift *vpg_shift,

	const struct dcn30_vpg_mask *vpg_mask)

{

	vpg3->base.ctx = ctx;



	vpg3->base.inst = inst;

	vpg3->base.funcs = &dcn30_vpg_funcs;



	vpg3->regs = vpg_regs;

	vpg3->vpg_shift = vpg_shift;

	vpg3->vpg_mask = vpg_mask;

}

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.h

0 → 100644
+133 −0
Original line number Diff line number Diff line 
/*

 * 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 __DAL_DCN30_VPG_H__

#define __DAL_DCN30_VPG_H__





#define DCN30_VPG_FROM_VPG(vpg)\

	container_of(vpg, struct dcn30_vpg, base)



#define VPG_DCN3_REG_LIST(id) \

	SRI(VPG_GENERIC_STATUS, VPG, id), \

	SRI(VPG_GENERIC_PACKET_ACCESS_CTRL, VPG, id), \

	SRI(VPG_GENERIC_PACKET_DATA, VPG, id), \

	SRI(VPG_GSP_FRAME_UPDATE_CTRL, VPG, id)



struct dcn30_vpg_registers {

	uint32_t VPG_GENERIC_STATUS;

	uint32_t VPG_GENERIC_PACKET_ACCESS_CTRL;

	uint32_t VPG_GENERIC_PACKET_DATA;

	uint32_t VPG_GSP_FRAME_UPDATE_CTRL;

};



#define DCN3_VPG_MASK_SH_LIST(mask_sh)\

	SE_SF(VPG0_VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_OCCURED, mask_sh),\

	SE_SF(VPG0_VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_CLR, mask_sh),\

	SE_SF(VPG0_VPG_GENERIC_PACKET_ACCESS_CTRL, VPG_GENERIC_DATA_INDEX, mask_sh),\

	SE_SF(VPG0_VPG_GENERIC_PACKET_DATA, VPG_GENERIC_DATA_BYTE0, mask_sh),\

	SE_SF(VPG0_VPG_GENERIC_PACKET_DATA, VPG_GENERIC_DATA_BYTE1, mask_sh),\

	SE_SF(VPG0_VPG_GENERIC_PACKET_DATA, VPG_GENERIC_DATA_BYTE2, mask_sh),\

	SE_SF(VPG0_VPG_GENERIC_PACKET_DATA, VPG_GENERIC_DATA_BYTE3, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC0_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC1_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC2_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC3_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC4_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC5_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC6_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC7_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC8_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC9_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC10_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC11_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC12_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC13_FRAME_UPDATE, mask_sh),\

	SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC14_FRAME_UPDATE, mask_sh)



#define VPG_DCN3_REG_FIELD_LIST(type) \

	type VPG_GENERIC_CONFLICT_OCCURED;\

	type VPG_GENERIC_CONFLICT_CLR;\

	type VPG_GENERIC_DATA_INDEX;\

	type VPG_GENERIC_DATA_BYTE0;\

	type VPG_GENERIC_DATA_BYTE1;\

	type VPG_GENERIC_DATA_BYTE2;\

	type VPG_GENERIC_DATA_BYTE3;\

	type VPG_GENERIC0_FRAME_UPDATE;\

	type VPG_GENERIC1_FRAME_UPDATE;\

	type VPG_GENERIC2_FRAME_UPDATE;\

	type VPG_GENERIC3_FRAME_UPDATE;\

	type VPG_GENERIC4_FRAME_UPDATE;\

	type VPG_GENERIC5_FRAME_UPDATE;\

	type VPG_GENERIC6_FRAME_UPDATE;\

	type VPG_GENERIC7_FRAME_UPDATE;\

	type VPG_GENERIC8_FRAME_UPDATE;\

	type VPG_GENERIC9_FRAME_UPDATE;\

	type VPG_GENERIC10_FRAME_UPDATE;\

	type VPG_GENERIC11_FRAME_UPDATE;\

	type VPG_GENERIC12_FRAME_UPDATE;\

	type VPG_GENERIC13_FRAME_UPDATE;\

	type VPG_GENERIC14_FRAME_UPDATE





struct dcn30_vpg_shift {

	VPG_DCN3_REG_FIELD_LIST(uint8_t);

};



struct dcn30_vpg_mask {

	VPG_DCN3_REG_FIELD_LIST(uint32_t);

};



struct vpg;



struct vpg_funcs {

	void (*update_generic_info_packet)(

		struct vpg *vpg,

		uint32_t packet_index,

		const struct dc_info_packet *info_packet);

};



struct vpg {

	const struct vpg_funcs *funcs;

	struct dc_context *ctx;

	int inst;

};



struct dcn30_vpg {

	struct vpg base;

	const struct dcn30_vpg_registers *regs;

	const struct dcn30_vpg_shift *vpg_shift;

	const struct dcn30_vpg_mask *vpg_mask;

};



void vpg3_construct(struct dcn30_vpg *vpg3,

	struct dc_context *ctx,

	uint32_t inst,

	const struct dcn30_vpg_registers *vpg_regs,

	const struct dcn30_vpg_shift *vpg_shift,

	const struct dcn30_vpg_mask *vpg_mask);





#endif