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