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 RV1106_VENC_GRF_VOP_IO_WRAPPER 0x1000c 32 #define RV1106_IO_BYPASS_SEL(v) HIWORD_UPDATE(v, 0, 1) 33 #define RV1106_VOGRF_VOP_PIPE_BYPASS 0x60034 34 #define RV1106_VOP_PIPE_BYPASS(v) HIWORD_UPDATE(v, 0, 1) 35 36 #define RV1126_GRF_IOFUNC_CON3 0x1026c 37 #define RV1126_LCDC_IO_BYPASS(v) HIWORD_UPDATE(v, 0, 0) 38 39 #define RK3288_GRF_SOC_CON6 0x025c 40 #define RK3288_LVDS_LCDC_SEL(v) HIWORD_UPDATE(v, 3, 3) 41 #define RK3288_GRF_SOC_CON7 0x0260 42 #define RK3288_LVDS_PWRDWN(v) HIWORD_UPDATE(v, 15, 15) 43 #define RK3288_LVDS_CON_ENABLE_2(v) HIWORD_UPDATE(v, 12, 12) 44 #define RK3288_LVDS_CON_ENABLE_1(v) HIWORD_UPDATE(v, 11, 11) 45 #define RK3288_LVDS_CON_CLKINV(v) HIWORD_UPDATE(v, 8, 8) 46 #define RK3288_LVDS_CON_TTL_EN(v) HIWORD_UPDATE(v, 6, 6) 47 48 #define RK3368_GRF_SOC_CON15 0x043c 49 #define RK3368_FORCE_JETAG(v) HIWORD_UPDATE(v, 13, 13) 50 51 #define RK3568_GRF_VO_CON1 0X0364 52 #define RK3568_RGB_DATA_BYPASS(v) HIWORD_UPDATE(v, 6, 6) 53 54 struct rockchip_rgb; 55 56 struct rockchip_rgb_funcs { 57 void (*prepare)(struct rockchip_rgb *rgb, int pipe); 58 void (*unprepare)(struct rockchip_rgb *rgb); 59 }; 60 61 struct rockchip_rgb { 62 struct rockchip_connector connector; 63 int id; 64 struct udevice *dev; 65 struct regmap *grf; 66 bool data_sync_bypass; 67 struct rockchip_phy *phy; 68 const struct rockchip_rgb_funcs *funcs; 69 }; 70 71 static int rockchip_rgb_connector_prepare(struct rockchip_connector *conn, 72 struct display_state *state) 73 { 74 struct rockchip_rgb *rgb = dev_get_priv(conn->dev); 75 struct crtc_state *crtc_state = &state->crtc_state; 76 int pipe = crtc_state->crtc_id; 77 int ret; 78 79 pinctrl_select_state(rgb->dev, "default"); 80 81 if (rgb->funcs && rgb->funcs->prepare) 82 rgb->funcs->prepare(rgb, pipe); 83 84 if (rgb->phy) { 85 ret = rockchip_phy_set_mode(rgb->phy, PHY_MODE_VIDEO_TTL); 86 if (ret) { 87 dev_err(rgb->dev, "failed to set phy mode: %d\n", ret); 88 return ret; 89 } 90 91 rockchip_phy_power_on(rgb->phy); 92 } 93 94 return 0; 95 } 96 97 static void rockchip_rgb_connector_unprepare(struct rockchip_connector *conn, 98 struct display_state *state) 99 { 100 struct rockchip_rgb *rgb = dev_get_priv(conn->dev); 101 102 if (rgb->phy) 103 rockchip_phy_power_off(rgb->phy); 104 105 if (rgb->funcs && rgb->funcs->unprepare) 106 rgb->funcs->unprepare(rgb); 107 108 pinctrl_select_state(rgb->dev, "sleep"); 109 } 110 111 static int rockchip_rgb_connector_init(struct rockchip_connector *conn, struct display_state *state) 112 { 113 struct rockchip_rgb *rgb = dev_get_priv(conn->dev); 114 struct connector_state *conn_state = &state->conn_state; 115 116 rgb->phy = conn->phy; 117 118 conn_state->color_space = V4L2_COLORSPACE_DEFAULT; 119 conn_state->disp_info = rockchip_get_disp_info(conn_state->type, rgb->id); 120 121 switch (conn_state->bus_format) { 122 case MEDIA_BUS_FMT_RGB666_1X18: 123 conn_state->output_mode = ROCKCHIP_OUT_MODE_P666; 124 conn_state->output_if = VOP_OUTPUT_IF_RGB; 125 break; 126 case MEDIA_BUS_FMT_RGB565_1X16: 127 conn_state->output_mode = ROCKCHIP_OUT_MODE_P565; 128 conn_state->output_if = VOP_OUTPUT_IF_RGB; 129 break; 130 case MEDIA_BUS_FMT_SRGB888_3X8: 131 case MEDIA_BUS_FMT_SBGR888_3X8: 132 case MEDIA_BUS_FMT_SRBG888_3X8: 133 conn_state->output_mode = ROCKCHIP_OUT_MODE_S888; 134 conn_state->output_if = VOP_OUTPUT_IF_RGB; 135 break; 136 case MEDIA_BUS_FMT_SRGB888_DUMMY_4X8: 137 case MEDIA_BUS_FMT_SBGR888_DUMMY_4X8: 138 case MEDIA_BUS_FMT_SRBG888_DUMMY_4X8: 139 conn_state->output_mode = ROCKCHIP_OUT_MODE_S888_DUMMY; 140 conn_state->output_if = VOP_OUTPUT_IF_RGB; 141 break; 142 case MEDIA_BUS_FMT_YUYV8_2X8: 143 case MEDIA_BUS_FMT_YVYU8_2X8: 144 case MEDIA_BUS_FMT_UYVY8_2X8: 145 case MEDIA_BUS_FMT_VYUY8_2X8: 146 conn_state->output_mode = ROCKCHIP_OUT_MODE_BT656; 147 conn_state->output_if = VOP_OUTPUT_IF_BT656; 148 break; 149 case MEDIA_BUS_FMT_YUYV8_1X16: 150 case MEDIA_BUS_FMT_YVYU8_1X16: 151 case MEDIA_BUS_FMT_UYVY8_1X16: 152 case MEDIA_BUS_FMT_VYUY8_1X16: 153 conn_state->output_mode = ROCKCHIP_OUT_MODE_BT1120; 154 conn_state->output_if = VOP_OUTPUT_IF_BT1120; 155 break; 156 case MEDIA_BUS_FMT_RGB888_1X24: 157 case MEDIA_BUS_FMT_RGB666_1X24_CPADHI: 158 default: 159 conn_state->output_mode = ROCKCHIP_OUT_MODE_P888; 160 conn_state->output_if = VOP_OUTPUT_IF_RGB; 161 break; 162 } 163 164 return 0; 165 } 166 167 static const struct rockchip_connector_funcs rockchip_rgb_connector_funcs = { 168 .init = rockchip_rgb_connector_init, 169 .prepare = rockchip_rgb_connector_prepare, 170 .unprepare = rockchip_rgb_connector_unprepare, 171 }; 172 173 static int rockchip_rgb_probe(struct udevice *dev) 174 { 175 struct rockchip_rgb *rgb = dev_get_priv(dev); 176 177 rgb->dev = dev; 178 rgb->funcs = (const struct rockchip_rgb_funcs *)dev_get_driver_data(dev); 179 rgb->grf = syscon_get_regmap(dev_get_parent(dev)); 180 rgb->data_sync_bypass = dev_read_bool(dev, "rockchip,data-sync-bypass"); 181 rgb->id = of_alias_get_id(ofnode_to_np(dev->node), "rgb"); 182 if (rgb->id < 0) 183 rgb->id = 0; 184 185 rockchip_connector_bind(&rgb->connector, dev, rgb->id, &rockchip_rgb_connector_funcs, 186 NULL, DRM_MODE_CONNECTOR_LVDS); 187 188 return 0; 189 } 190 191 static void rv1106_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 192 { 193 regmap_write(rgb->grf, RV1106_VENC_GRF_VOP_IO_WRAPPER, 194 RV1106_IO_BYPASS_SEL(rgb->data_sync_bypass ? 0x3 : 0x0)); 195 regmap_write(rgb->grf, RV1106_VOGRF_VOP_PIPE_BYPASS, 196 RV1106_VOP_PIPE_BYPASS(rgb->data_sync_bypass ? 0x3 : 0x0)); 197 } 198 199 static const struct rockchip_rgb_funcs rv1106_rgb_funcs = { 200 .prepare = rv1106_rgb_prepare, 201 }; 202 203 static void rv1126_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 204 { 205 regmap_write(rgb->grf, RV1126_GRF_IOFUNC_CON3, 206 RV1126_LCDC_IO_BYPASS(rgb->data_sync_bypass)); 207 } 208 209 static const struct rockchip_rgb_funcs rv1126_rgb_funcs = { 210 .prepare = rv1126_rgb_prepare, 211 }; 212 213 static void px30_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 214 { 215 regmap_write(rgb->grf, PX30_GRF_PD_VO_CON1, PX30_RGB_VOP_SEL(pipe) | 216 PX30_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass)); 217 } 218 219 static const struct rockchip_rgb_funcs px30_rgb_funcs = { 220 .prepare = px30_rgb_prepare, 221 }; 222 223 static void rk1808_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 224 { 225 regmap_write(rgb->grf, RK1808_GRF_PD_VO_CON1, 226 RK1808_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass)); 227 } 228 229 static const struct rockchip_rgb_funcs rk1808_rgb_funcs = { 230 .prepare = rk1808_rgb_prepare, 231 }; 232 233 static void rk3288_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 234 { 235 regmap_write(rgb->grf, RK3288_GRF_SOC_CON6, RK3288_LVDS_LCDC_SEL(pipe)); 236 regmap_write(rgb->grf, RK3288_GRF_SOC_CON7, 237 RK3288_LVDS_PWRDWN(0) | RK3288_LVDS_CON_ENABLE_2(1) | 238 RK3288_LVDS_CON_ENABLE_1(1) | RK3288_LVDS_CON_CLKINV(0) | 239 RK3288_LVDS_CON_TTL_EN(1)); 240 } 241 242 static void rk3288_rgb_unprepare(struct rockchip_rgb *rgb) 243 { 244 regmap_write(rgb->grf, RK3288_GRF_SOC_CON7, 245 RK3288_LVDS_PWRDWN(1) | RK3288_LVDS_CON_ENABLE_2(0) | 246 RK3288_LVDS_CON_ENABLE_1(0) | RK3288_LVDS_CON_TTL_EN(0)); 247 } 248 249 static const struct rockchip_rgb_funcs rk3288_rgb_funcs = { 250 .prepare = rk3288_rgb_prepare, 251 .unprepare = rk3288_rgb_unprepare, 252 }; 253 254 static void rk3368_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 255 { 256 regmap_write(rgb->grf, RK3368_GRF_SOC_CON15, RK3368_FORCE_JETAG(0)); 257 } 258 259 static const struct rockchip_rgb_funcs rk3368_rgb_funcs = { 260 .prepare = rk3368_rgb_prepare, 261 }; 262 263 static void rk3568_rgb_prepare(struct rockchip_rgb *rgb, int pipe) 264 { 265 regmap_write(rgb->grf, RK3568_GRF_VO_CON1, RK3568_RGB_DATA_BYPASS(rgb->data_sync_bypass)); 266 } 267 268 static const struct rockchip_rgb_funcs rk3568_rgb_funcs = { 269 .prepare = rk3568_rgb_prepare, 270 }; 271 272 static const struct udevice_id rockchip_rgb_ids[] = { 273 { 274 .compatible = "rockchip,px30-rgb", 275 .data = (ulong)&px30_rgb_funcs, 276 }, 277 { 278 .compatible = "rockchip,rk1808-rgb", 279 .data = (ulong)&rk1808_rgb_funcs, 280 }, 281 { 282 .compatible = "rockchip,rk3066-rgb", 283 }, 284 { 285 .compatible = "rockchip,rk3128-rgb", 286 }, 287 { 288 .compatible = "rockchip,rk3288-rgb", 289 .data = (ulong)&rk3288_rgb_funcs, 290 }, 291 { 292 .compatible = "rockchip,rk3308-rgb", 293 }, 294 { 295 .compatible = "rockchip,rk3368-rgb", 296 .data = (ulong)&rk3368_rgb_funcs, 297 }, 298 { 299 .compatible = "rockchip,rk3568-rgb", 300 .data = (ulong)&rk3568_rgb_funcs, 301 }, 302 { 303 .compatible = "rockchip,rv1106-rgb", 304 .data = (ulong)&rv1106_rgb_funcs, 305 }, 306 { 307 .compatible = "rockchip,rv1108-rgb", 308 }, 309 { 310 .compatible = "rockchip,rv1126-rgb", 311 .data = (ulong)&rv1126_rgb_funcs, 312 }, 313 {} 314 }; 315 316 U_BOOT_DRIVER(rockchip_rgb) = { 317 .name = "rockchip_rgb", 318 .id = UCLASS_DISPLAY, 319 .of_match = rockchip_rgb_ids, 320 .probe = rockchip_rgb_probe, 321 .priv_auto_alloc_size = sizeof(struct rockchip_rgb), 322 }; 323