xref: /openbmc/linux/drivers/gpu/drm/msm/dsi/dsi_cfg.c (revision b830f94f)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
4  */
5 
6 #include "dsi_cfg.h"
7 
8 static const char * const dsi_v2_bus_clk_names[] = {
9 	"core_mmss", "iface", "bus",
10 };
11 
12 static const struct msm_dsi_config apq8064_dsi_cfg = {
13 	.io_offset = 0,
14 	.reg_cfg = {
15 		.num = 3,
16 		.regs = {
17 			{"vdda", 100000, 100},	/* 1.2 V */
18 			{"avdd", 10000, 100},	/* 3.0 V */
19 			{"vddio", 100000, 100},	/* 1.8 V */
20 		},
21 	},
22 	.bus_clk_names = dsi_v2_bus_clk_names,
23 	.num_bus_clks = ARRAY_SIZE(dsi_v2_bus_clk_names),
24 	.io_start = { 0x4700000, 0x5800000 },
25 	.num_dsi = 2,
26 };
27 
28 static const char * const dsi_6g_bus_clk_names[] = {
29 	"mdp_core", "iface", "bus", "core_mmss",
30 };
31 
32 static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
33 	.io_offset = DSI_6G_REG_SHIFT,
34 	.reg_cfg = {
35 		.num = 4,
36 		.regs = {
37 			{"gdsc", -1, -1},
38 			{"vdd", 150000, 100},	/* 3.0 V */
39 			{"vdda", 100000, 100},	/* 1.2 V */
40 			{"vddio", 100000, 100},	/* 1.8 V */
41 		},
42 	},
43 	.bus_clk_names = dsi_6g_bus_clk_names,
44 	.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
45 	.io_start = { 0xfd922800, 0xfd922b00 },
46 	.num_dsi = 2,
47 };
48 
49 static const char * const dsi_8916_bus_clk_names[] = {
50 	"mdp_core", "iface", "bus",
51 };
52 
53 static const struct msm_dsi_config msm8916_dsi_cfg = {
54 	.io_offset = DSI_6G_REG_SHIFT,
55 	.reg_cfg = {
56 		.num = 3,
57 		.regs = {
58 			{"gdsc", -1, -1},
59 			{"vdda", 100000, 100},	/* 1.2 V */
60 			{"vddio", 100000, 100},	/* 1.8 V */
61 		},
62 	},
63 	.bus_clk_names = dsi_8916_bus_clk_names,
64 	.num_bus_clks = ARRAY_SIZE(dsi_8916_bus_clk_names),
65 	.io_start = { 0x1a98000 },
66 	.num_dsi = 1,
67 };
68 
69 static const struct msm_dsi_config msm8994_dsi_cfg = {
70 	.io_offset = DSI_6G_REG_SHIFT,
71 	.reg_cfg = {
72 		.num = 7,
73 		.regs = {
74 			{"gdsc", -1, -1},
75 			{"vdda", 100000, 100},	/* 1.25 V */
76 			{"vddio", 100000, 100},	/* 1.8 V */
77 			{"vcca", 10000, 100},	/* 1.0 V */
78 			{"vdd", 100000, 100},	/* 1.8 V */
79 			{"lab_reg", -1, -1},
80 			{"ibb_reg", -1, -1},
81 		},
82 	},
83 	.bus_clk_names = dsi_6g_bus_clk_names,
84 	.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
85 	.io_start = { 0xfd998000, 0xfd9a0000 },
86 	.num_dsi = 2,
87 };
88 
89 /*
90  * TODO: core_mmss_clk fails to enable for some reason, but things work fine
91  * without it too. Figure out why it doesn't enable and uncomment below
92  */
93 static const char * const dsi_8996_bus_clk_names[] = {
94 	"mdp_core", "iface", "bus", /* "core_mmss", */
95 };
96 
97 static const struct msm_dsi_config msm8996_dsi_cfg = {
98 	.io_offset = DSI_6G_REG_SHIFT,
99 	.reg_cfg = {
100 		.num = 2,
101 		.regs = {
102 			{"vdda", 18160, 1 },	/* 1.25 V */
103 			{"vcca", 17000, 32 },	/* 0.925 V */
104 			{"vddio", 100000, 100 },/* 1.8 V */
105 		},
106 	},
107 	.bus_clk_names = dsi_8996_bus_clk_names,
108 	.num_bus_clks = ARRAY_SIZE(dsi_8996_bus_clk_names),
109 	.io_start = { 0x994000, 0x996000 },
110 	.num_dsi = 2,
111 };
112 
113 static const char * const dsi_msm8998_bus_clk_names[] = {
114 	"iface", "bus", "core",
115 };
116 
117 static const struct msm_dsi_config msm8998_dsi_cfg = {
118 	.io_offset = DSI_6G_REG_SHIFT,
119 	.reg_cfg = {
120 		.num = 2,
121 		.regs = {
122 			{"vdd", 367000, 16 },	/* 0.9 V */
123 			{"vdda", 62800, 2 },	/* 1.2 V */
124 		},
125 	},
126 	.bus_clk_names = dsi_msm8998_bus_clk_names,
127 	.num_bus_clks = ARRAY_SIZE(dsi_msm8998_bus_clk_names),
128 	.io_start = { 0xc994000, 0xc996000 },
129 	.num_dsi = 2,
130 };
131 
132 static const char * const dsi_sdm845_bus_clk_names[] = {
133 	"iface", "bus",
134 };
135 
136 static const struct msm_dsi_config sdm845_dsi_cfg = {
137 	.io_offset = DSI_6G_REG_SHIFT,
138 	.reg_cfg = {
139 		.num = 1,
140 		.regs = {
141 			{"vdda", 21800, 4 },	/* 1.2 V */
142 		},
143 	},
144 	.bus_clk_names = dsi_sdm845_bus_clk_names,
145 	.num_bus_clks = ARRAY_SIZE(dsi_sdm845_bus_clk_names),
146 	.io_start = { 0xae94000, 0xae96000 },
147 	.num_dsi = 2,
148 };
149 
150 const static struct msm_dsi_host_cfg_ops msm_dsi_v2_host_ops = {
151 	.link_clk_enable = dsi_link_clk_enable_v2,
152 	.link_clk_disable = dsi_link_clk_disable_v2,
153 	.clk_init_ver = dsi_clk_init_v2,
154 	.tx_buf_alloc = dsi_tx_buf_alloc_v2,
155 	.tx_buf_get = dsi_tx_buf_get_v2,
156 	.tx_buf_put = NULL,
157 	.dma_base_get = dsi_dma_base_get_v2,
158 	.calc_clk_rate = dsi_calc_clk_rate_v2,
159 };
160 
161 const static struct msm_dsi_host_cfg_ops msm_dsi_6g_host_ops = {
162 	.link_clk_enable = dsi_link_clk_enable_6g,
163 	.link_clk_disable = dsi_link_clk_disable_6g,
164 	.clk_init_ver = NULL,
165 	.tx_buf_alloc = dsi_tx_buf_alloc_6g,
166 	.tx_buf_get = dsi_tx_buf_get_6g,
167 	.tx_buf_put = dsi_tx_buf_put_6g,
168 	.dma_base_get = dsi_dma_base_get_6g,
169 	.calc_clk_rate = dsi_calc_clk_rate_6g,
170 };
171 
172 const static struct msm_dsi_host_cfg_ops msm_dsi_6g_v2_host_ops = {
173 	.link_clk_enable = dsi_link_clk_enable_6g,
174 	.link_clk_disable = dsi_link_clk_disable_6g,
175 	.clk_init_ver = dsi_clk_init_6g_v2,
176 	.tx_buf_alloc = dsi_tx_buf_alloc_6g,
177 	.tx_buf_get = dsi_tx_buf_get_6g,
178 	.tx_buf_put = dsi_tx_buf_put_6g,
179 	.dma_base_get = dsi_dma_base_get_6g,
180 	.calc_clk_rate = dsi_calc_clk_rate_6g,
181 };
182 
183 static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
184 	{MSM_DSI_VER_MAJOR_V2, MSM_DSI_V2_VER_MINOR_8064,
185 		&apq8064_dsi_cfg, &msm_dsi_v2_host_ops},
186 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_0,
187 		&msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops},
188 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1,
189 		&msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops},
190 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1_1,
191 		&msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops},
192 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_2,
193 		&msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops},
194 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3,
195 		&msm8994_dsi_cfg, &msm_dsi_6g_host_ops},
196 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3_1,
197 		&msm8916_dsi_cfg, &msm_dsi_6g_host_ops},
198 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_1,
199 		&msm8996_dsi_cfg, &msm_dsi_6g_host_ops},
200 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_0,
201 		&msm8998_dsi_cfg, &msm_dsi_6g_v2_host_ops},
202 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_1,
203 		&sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops},
204 };
205 
206 const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
207 {
208 	const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
209 	int i;
210 
211 	for (i = ARRAY_SIZE(dsi_cfg_handlers) - 1; i >= 0; i--) {
212 		if ((dsi_cfg_handlers[i].major == major) &&
213 			(dsi_cfg_handlers[i].minor == minor)) {
214 			cfg_hnd = &dsi_cfg_handlers[i];
215 			break;
216 		}
217 	}
218 
219 	return cfg_hnd;
220 }
221 
222