1 /* 2 * (C) Copyright 2008-2017 Fuzhou Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <dm/of_access.h> 9 #include <errno.h> 10 #include <syscon.h> 11 #include <regmap.h> 12 #include <dm/device.h> 13 #include <dm/read.h> 14 #include <dm/pinctrl.h> 15 #include <linux/media-bus-format.h> 16 17 #include "rockchip_display.h" 18 #include "rockchip_crtc.h" 19 #include "rockchip_connector.h" 20 #include "rockchip_phy.h" 21 22 #define HIWORD_UPDATE(v, h, l) (((v) << (l)) | (GENMASK(h, l) << 16)) 23 24 #define PX30_GRF_PD_VO_CON1 0x0438 25 #define PX30_RGB_DATA_SYNC_BYPASS(v) HIWORD_UPDATE(v, 3, 3) 26 #define PX30_RGB_VOP_SEL(v) HIWORD_UPDATE(v, 2, 2) 27 28 #define RK1808_GRF_PD_VO_CON1 0x0444 29 #define RK1808_RGB_DATA_SYNC_BYPASS(v) HIWORD_UPDATE(v, 3, 3) 30 31 #define RV1126_GRF_IOFUNC_CON3 0x1026c 32 #define RV1126_LCDC_IO_BYPASS(v) HIWORD_UPDATE(v, 0, 0) 33 34 #define RK3288_GRF_SOC_CON6 0x025c 35 #define RK3288_LVDS_LCDC_SEL(v) HIWORD_UPDATE(v, 3, 3) 36 #define RK3288_GRF_SOC_CON7 0x0260 37 #define RK3288_LVDS_PWRDWN(v) HIWORD_UPDATE(v, 15, 15) 38 #define RK3288_LVDS_CON_ENABLE_2(v) HIWORD_UPDATE(v, 12, 12) 39 #define RK3288_LVDS_CON_ENABLE_1(v) HIWORD_UPDATE(v, 11, 11) 40 #define RK3288_LVDS_CON_CLKINV(v) HIWORD_UPDATE(v, 8, 8) 41 #define RK3288_LVDS_CON_TTL_EN(v) HIWORD_UPDATE(v, 6, 6) 42 43 #define RK3368_GRF_SOC_CON15 0x043c 44 #define RK3368_FORCE_JETAG(v) HIWORD_UPDATE(v, 13, 13) 45 46 #define RK3568_GRF_VO_CON1 0X0364 47 #define RK3568_RGB_DATA_BYPASS(v) HIWORD_UPDATE(v, 6, 6) 48 49 struct rockchip_rgb; 50 51 struct rockchip_rgb_funcs { 52 void (*prepare)(struct rockchip_rgb *rgb, int pipe); 53 void (*unprepare)(struct rockchip_rgb *rgb); 54 }; 55 56 struct rockchip_rgb { 57 int id; 58 struct udevice *dev; 59 struct regmap *grf; 60 bool data_sync_bypass; 61 struct rockchip_phy *phy; 62 const struct rockchip_rgb_funcs *funcs; 63 }; 64 65 static inline struct rockchip_rgb *state_to_rgb(struct display_state *state) 66 { 67 struct connector_state *conn_state = &state->conn_state; 68 69 return dev_get_priv(conn_state->dev); 70 } 71 72 static int rockchip_rgb_connector_prepare(struct display_state *state) 73 { 74 struct rockchip_rgb *rgb = state_to_rgb(state); 75 struct crtc_state *crtc_state = &state->crtc_state; 76 int pipe = crtc_state->crtc_id; 77 78 pinctrl_select_state(rgb->dev, "default"); 79 80 if (rgb->funcs && rgb->funcs->prepare) 81 rgb->funcs->prepare(rgb, pipe); 82 83 if (rgb->phy) 84 rockchip_phy_power_on(rgb->phy); 85 86 87 return 0; 88 } 89 90 static void rockchip_rgb_connector_unprepare(struct display_state *state) 91 { 92 struct rockchip_rgb *rgb = state_to_rgb(state); 93 94 if (rgb->phy) 95 rockchip_phy_power_off(rgb->phy); 96 97 if (rgb->funcs && rgb->funcs->unprepare) 98 rgb->funcs->unprepare(rgb); 99 100 pinctrl_select_state(rgb->dev, "sleep"); 101 } 102 103 static int rockchip_rgb_connector_pre_init(struct display_state *state) 104 { 105 struct connector_state *conn_state = &state->conn_state; 106 107 conn_state->type = DRM_MODE_CONNECTOR_LVDS; 108 109 return 0; 110 } 111 112 static int rockchip_rgb_connector_init(struct display_state *state) 113 { 114 struct rockchip_rgb *rgb = state_to_rgb(state); 115 struct connector_state *conn_state = &state->conn_state; 116 117 rgb->phy = conn_state->phy; 118 119 conn_state->color_space = V4L2_COLORSPACE_DEFAULT; 120 conn_state->disp_info = rockchip_get_disp_info(conn_state->type, rgb->id); 121 122 switch (conn_state->bus_format) { 123 case MEDIA_BUS_FMT_RGB666_1X18: 124 conn_state->output_mode = ROCKCHIP_OUT_MODE_P666; 125 conn_state->output_if = VOP_OUTPUT_IF_RGB; 126 break; 127 case MEDIA_BUS_FMT_RGB565_1X16: 128 conn_state->output_mode = ROCKCHIP_OUT_MODE_P565; 129 conn_state->output_if = VOP_OUTPUT_IF_RGB; 130 break; 131 case MEDIA_BUS_FMT_SRGB888_3X8: 132 case MEDIA_BUS_FMT_SBGR888_3X8: 133 case MEDIA_BUS_FMT_SRBG888_3X8: 134 conn_state->output_mode = ROCKCHIP_OUT_MODE_S888; 135 conn_state->output_if = VOP_OUTPUT_IF_RGB; 136 break; 137 case MEDIA_BUS_FMT_SRGB888_DUMMY_4X8: 138 case MEDIA_BUS_FMT_SBGR888_DUMMY_4X8: 139 case MEDIA_BUS_FMT_SRBG888_DUMMY_4X8: 140 conn_state->output_mode = ROCKCHIP_OUT_MODE_S888_DUMMY; 141 conn_state->output_if = VOP_OUTPUT_IF_RGB; 142 break; 143 case MEDIA_BUS_FMT_YUYV8_2X8: 144 case MEDIA_BUS_FMT_YVYU8_2X8: 145 case MEDIA_BUS_FMT_UYVY8_2X8: 146 case MEDIA_BUS_FMT_VYUY8_2X8: 147 conn_state->output_mode = ROCKCHIP_OUT_MODE_BT656; 148 conn_state->output_if = VOP_OUTPUT_IF_BT656; 149 break; 150 case MEDIA_BUS_FMT_YUYV8_1X16: 151 case MEDIA_BUS_FMT_YVYU8_1X16: 152 case MEDIA_BUS_FMT_UYVY8_1X16: 153 case MEDIA_BUS_FMT_VYUY8_1X16: 154 conn_state->output_mode = ROCKCHIP_OUT_MODE_BT1120; 155 conn_state->output_if = VOP_OUTPUT_IF_BT1120; 156 break; 157 case MEDIA_BUS_FMT_RGB888_1X24: 158 case MEDIA_BUS_FMT_RGB666_1X24_CPADHI: 159 default: 160 conn_state->output_mode = ROCKCHIP_OUT_MODE_P888; 161 conn_state->output_if = VOP_OUTPUT_IF_RGB; 162 break; 163 } 164 165 return 0; 166 } 167 168 static const struct rockchip_connector_funcs rockchip_rgb_connector_funcs = { 169 .pre_init = rockchip_rgb_connector_pre_init, 170 .init = rockchip_rgb_connector_init, 171 .prepare = rockchip_rgb_connector_prepare, 172 .unprepare = rockchip_rgb_connector_unprepare, 173 }; 174 175 static int rockchip_rgb_probe(struct udevice *dev) 176 { 177 struct rockchip_rgb *rgb = dev_get_priv(dev); 178 const struct rockchip_connector *connector = 179 (const struct rockchip_connector *)dev_get_driver_data(dev); 180 181 rgb->dev = dev; 182 rgb->funcs = connector->data; 183 rgb->grf = syscon_get_regmap(dev_get_parent(dev)); 184 rgb->data_sync_bypass = dev_read_bool(dev, "rockchip,data-sync-bypass"); 185 rgb->id = of_alias_get_id(ofnode_to_np(dev->node), "rgb"); 186 if (rgb->id < 0) 187 rgb->id = 0; 188 189 return 0; 190 } 191 192 static void rv1126_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 193 { 194 regmap_write(rgb->grf, RV1126_GRF_IOFUNC_CON3, 195 RV1126_LCDC_IO_BYPASS(rgb->data_sync_bypass)); 196 } 197 198 static const struct rockchip_rgb_funcs rv1126_rgb_funcs = { 199 .prepare = rv1126_rgb_prepare, 200 }; 201 202 static const struct rockchip_connector rv1126_rgb_driver_data = { 203 .funcs = &rockchip_rgb_connector_funcs, 204 .data = &rv1126_rgb_funcs, 205 }; 206 207 static void px30_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 208 { 209 regmap_write(rgb->grf, PX30_GRF_PD_VO_CON1, PX30_RGB_VOP_SEL(pipe) | 210 PX30_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass)); 211 } 212 213 static const struct rockchip_rgb_funcs px30_rgb_funcs = { 214 .prepare = px30_rgb_prepare, 215 }; 216 217 static const struct rockchip_connector px30_rgb_driver_data = { 218 .funcs = &rockchip_rgb_connector_funcs, 219 .data = &px30_rgb_funcs, 220 }; 221 222 static void rk1808_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 223 { 224 regmap_write(rgb->grf, RK1808_GRF_PD_VO_CON1, 225 RK1808_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass)); 226 } 227 228 static const struct rockchip_rgb_funcs rk1808_rgb_funcs = { 229 .prepare = rk1808_rgb_prepare, 230 }; 231 232 static const struct rockchip_connector rk1808_rgb_driver_data = { 233 .funcs = &rockchip_rgb_connector_funcs, 234 .data = &rk1808_rgb_funcs, 235 }; 236 237 static void rk3288_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 238 { 239 regmap_write(rgb->grf, RK3288_GRF_SOC_CON6, RK3288_LVDS_LCDC_SEL(pipe)); 240 regmap_write(rgb->grf, RK3288_GRF_SOC_CON7, 241 RK3288_LVDS_PWRDWN(0) | RK3288_LVDS_CON_ENABLE_2(1) | 242 RK3288_LVDS_CON_ENABLE_1(1) | RK3288_LVDS_CON_CLKINV(0) | 243 RK3288_LVDS_CON_TTL_EN(1)); 244 } 245 246 static void rk3288_rgb_unprepare(struct rockchip_rgb *rgb) 247 { 248 regmap_write(rgb->grf, RK3288_GRF_SOC_CON7, 249 RK3288_LVDS_PWRDWN(1) | RK3288_LVDS_CON_ENABLE_2(0) | 250 RK3288_LVDS_CON_ENABLE_1(0) | RK3288_LVDS_CON_TTL_EN(0)); 251 } 252 253 static const struct rockchip_rgb_funcs rk3288_rgb_funcs = { 254 .prepare = rk3288_rgb_prepare, 255 .unprepare = rk3288_rgb_unprepare, 256 }; 257 258 static const struct rockchip_connector rk3288_rgb_driver_data = { 259 .funcs = &rockchip_rgb_connector_funcs, 260 .data = &rk3288_rgb_funcs, 261 }; 262 263 static void rk3368_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 264 { 265 regmap_write(rgb->grf, RK3368_GRF_SOC_CON15, RK3368_FORCE_JETAG(0)); 266 } 267 268 static const struct rockchip_rgb_funcs rk3368_rgb_funcs = { 269 .prepare = rk3368_rgb_prepare, 270 }; 271 272 static const struct rockchip_connector rk3368_rgb_driver_data = { 273 .funcs = &rockchip_rgb_connector_funcs, 274 .data = &rk3368_rgb_funcs, 275 }; 276 277 static void rk3568_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 278 { 279 regmap_write(rgb->grf, RK3568_GRF_VO_CON1, RK3568_RGB_DATA_BYPASS(rgb->data_sync_bypass)); 280 } 281 282 static const struct rockchip_rgb_funcs rk3568_rgb_funcs = { 283 .prepare = rk3568_rgb_prepare, 284 }; 285 286 static const struct rockchip_connector rk3568_rgb_driver_data = { 287 .funcs = &rockchip_rgb_connector_funcs, 288 .data = &rk3568_rgb_funcs, 289 }; 290 291 static const struct rockchip_connector rockchip_rgb_driver_data = { 292 .funcs = &rockchip_rgb_connector_funcs, 293 }; 294 295 static const struct udevice_id rockchip_rgb_ids[] = { 296 { 297 .compatible = "rockchip,px30-rgb", 298 .data = (ulong)&px30_rgb_driver_data, 299 }, 300 { 301 .compatible = "rockchip,rk1808-rgb", 302 .data = (ulong)&rk1808_rgb_driver_data, 303 }, 304 { 305 .compatible = "rockchip,rk3066-rgb", 306 .data = (ulong)&rockchip_rgb_driver_data, 307 }, 308 { 309 .compatible = "rockchip,rk3128-rgb", 310 .data = (ulong)&rockchip_rgb_driver_data, 311 }, 312 { 313 .compatible = "rockchip,rk3288-rgb", 314 .data = (ulong)&rk3288_rgb_driver_data, 315 }, 316 { 317 .compatible = "rockchip,rk3308-rgb", 318 .data = (ulong)&rockchip_rgb_driver_data, 319 }, 320 { 321 .compatible = "rockchip,rk3368-rgb", 322 .data = (ulong)&rk3368_rgb_driver_data, 323 }, 324 { 325 .compatible = "rockchip,rk3568-rgb", 326 .data = (ulong)&rk3568_rgb_driver_data, 327 }, 328 { 329 .compatible = "rockchip,rv1108-rgb", 330 .data = (ulong)&rockchip_rgb_driver_data, 331 }, 332 { 333 .compatible = "rockchip,rv1126-rgb", 334 .data = (ulong)&rv1126_rgb_driver_data, 335 }, 336 {} 337 }; 338 339 U_BOOT_DRIVER(rockchip_rgb) = { 340 .name = "rockchip_rgb", 341 .id = UCLASS_DISPLAY, 342 .of_match = rockchip_rgb_ids, 343 .probe = rockchip_rgb_probe, 344 .priv_auto_alloc_size = sizeof(struct rockchip_rgb), 345 }; 346