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  1/*
  2 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
  3 *
  4 * This program is free software; you can redistribute it and/or modify
  5 * it under the terms of the GNU General Public License version 2 and
  6 * only version 2 as published by the Free Software Foundation.
  7 *
  8 * This program is distributed in the hope that it will be useful,
  9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 11 * GNU General Public License for more details.
 12 */
 13
 14#include "dsi_cfg.h"
 15
 16static const char * const dsi_v2_bus_clk_names[] = {
 17	"core_mmss", "iface", "bus",
 18};
 19
 20static const struct msm_dsi_config apq8064_dsi_cfg = {
 21	.io_offset = 0,
 22	.reg_cfg = {
 23		.num = 3,
 24		.regs = {
 25			{"vdda", 100000, 100},	/* 1.2 V */
 26			{"avdd", 10000, 100},	/* 3.0 V */
 27			{"vddio", 100000, 100},	/* 1.8 V */
 28		},
 29	},
 30	.bus_clk_names = dsi_v2_bus_clk_names,
 31	.num_bus_clks = ARRAY_SIZE(dsi_v2_bus_clk_names),
 32	.io_start = { 0x4700000, 0x5800000 },
 33	.num_dsi = 2,
 34};
 35
 36static const char * const dsi_6g_bus_clk_names[] = {
 37	"mdp_core", "iface", "bus", "core_mmss",
 38};
 39
 40static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
 41	.io_offset = DSI_6G_REG_SHIFT,
 42	.reg_cfg = {
 43		.num = 4,
 44		.regs = {
 45			{"gdsc", -1, -1},
 46			{"vdd", 150000, 100},	/* 3.0 V */
 47			{"vdda", 100000, 100},	/* 1.2 V */
 48			{"vddio", 100000, 100},	/* 1.8 V */
 49		},
 50	},
 51	.bus_clk_names = dsi_6g_bus_clk_names,
 52	.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
 53	.io_start = { 0xfd922800, 0xfd922b00 },
 54	.num_dsi = 2,
 55};
 56
 57static const char * const dsi_8916_bus_clk_names[] = {
 58	"mdp_core", "iface", "bus",
 59};
 60
 61static const struct msm_dsi_config msm8916_dsi_cfg = {
 62	.io_offset = DSI_6G_REG_SHIFT,
 63	.reg_cfg = {
 64		.num = 3,
 65		.regs = {
 66			{"gdsc", -1, -1},
 67			{"vdda", 100000, 100},	/* 1.2 V */
 68			{"vddio", 100000, 100},	/* 1.8 V */
 69		},
 70	},
 71	.bus_clk_names = dsi_8916_bus_clk_names,
 72	.num_bus_clks = ARRAY_SIZE(dsi_8916_bus_clk_names),
 73	.io_start = { 0x1a98000 },
 74	.num_dsi = 1,
 75};
 76
 77static const struct msm_dsi_config msm8994_dsi_cfg = {
 78	.io_offset = DSI_6G_REG_SHIFT,
 79	.reg_cfg = {
 80		.num = 7,
 81		.regs = {
 82			{"gdsc", -1, -1},
 83			{"vdda", 100000, 100},	/* 1.25 V */
 84			{"vddio", 100000, 100},	/* 1.8 V */
 85			{"vcca", 10000, 100},	/* 1.0 V */
 86			{"vdd", 100000, 100},	/* 1.8 V */
 87			{"lab_reg", -1, -1},
 88			{"ibb_reg", -1, -1},
 89		},
 90	},
 91	.bus_clk_names = dsi_6g_bus_clk_names,
 92	.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
 93	.io_start = { 0xfd998000, 0xfd9a0000 },
 94	.num_dsi = 2,
 95};
 96
 97/*
 98 * TODO: core_mmss_clk fails to enable for some reason, but things work fine
 99 * without it too. Figure out why it doesn't enable and uncomment below
100 */
101static const char * const dsi_8996_bus_clk_names[] = {
102	"mdp_core", "iface", "bus", /* "core_mmss", */
103};
104
105static const struct msm_dsi_config msm8996_dsi_cfg = {
106	.io_offset = DSI_6G_REG_SHIFT,
107	.reg_cfg = {
108		.num = 2,
109		.regs = {
110			{"vdda", 18160, 1 },	/* 1.25 V */
111			{"vcca", 17000, 32 },	/* 0.925 V */
112			{"vddio", 100000, 100 },/* 1.8 V */
113		},
114	},
115	.bus_clk_names = dsi_8996_bus_clk_names,
116	.num_bus_clks = ARRAY_SIZE(dsi_8996_bus_clk_names),
117	.io_start = { 0x994000, 0x996000 },
118	.num_dsi = 2,
119};
120
121static const char * const dsi_sdm845_bus_clk_names[] = {
122	"iface", "bus",
123};
124
125static const struct msm_dsi_config sdm845_dsi_cfg = {
126	.io_offset = DSI_6G_REG_SHIFT,
127	.reg_cfg = {
128		.num = 1,
129		.regs = {
130			{"vdda", 21800, 4 },	/* 1.2 V */
131		},
132	},
133	.bus_clk_names = dsi_sdm845_bus_clk_names,
134	.num_bus_clks = ARRAY_SIZE(dsi_sdm845_bus_clk_names),
135	.io_start = { 0xae94000, 0xae96000 },
136	.num_dsi = 2,
137};
138
139static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
140	{MSM_DSI_VER_MAJOR_V2, MSM_DSI_V2_VER_MINOR_8064, &apq8064_dsi_cfg},
141	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_0,
142						&msm8974_apq8084_dsi_cfg},
143	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1,
144						&msm8974_apq8084_dsi_cfg},
145	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1_1,
146						&msm8974_apq8084_dsi_cfg},
147	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_2,
148						&msm8974_apq8084_dsi_cfg},
149	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3, &msm8994_dsi_cfg},
150	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3_1, &msm8916_dsi_cfg},
151	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_1, &msm8996_dsi_cfg},
152	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_1, &sdm845_dsi_cfg},
153};
154
155const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
156{
157	const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
158	int i;
159
160	for (i = ARRAY_SIZE(dsi_cfg_handlers) - 1; i >= 0; i--) {
161		if ((dsi_cfg_handlers[i].major == major) &&
162			(dsi_cfg_handlers[i].minor == minor)) {
163			cfg_hnd = &dsi_cfg_handlers[i];
164			break;
165		}
166	}
167
168	return cfg_hnd;
169}
170