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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright (c) 2022 Konrad Dybcio <konrad.dybcio@somainline.org>4 *5 * Generated with linux-mdss-dsi-panel-driver-generator with a6 * substantial amount of manual adjustments.7 *8 * SONY Downstream kernel calls this one:9 * - "JDI ID3" for Akari (XZ2)10 * - "JDI ID4" for Apollo (XZ2 Compact)11 */12 13#include <linux/delay.h>14#include <linux/gpio/consumer.h>15#include <linux/module.h>16#include <linux/of.h>17#include <linux/regulator/consumer.h>18 19#include <video/mipi_display.h>20 21#include <drm/drm_mipi_dsi.h>22#include <drm/drm_modes.h>23#include <drm/drm_panel.h>24 25enum {26 TYPE_TAMA_60HZ,27 /*28 * Leaving room for expansion - SONY very often uses29 * *truly reliably* overclockable panels on their flagships!30 */31};32 33struct sony_td4353_jdi {34 struct drm_panel panel;35 struct mipi_dsi_device *dsi;36 struct regulator_bulk_data supplies[3];37 struct gpio_desc *panel_reset_gpio;38 struct gpio_desc *touch_reset_gpio;39 int type;40};41 42static inline struct sony_td4353_jdi *to_sony_td4353_jdi(struct drm_panel *panel)43{44 return container_of(panel, struct sony_td4353_jdi, panel);45}46 47static int sony_td4353_jdi_on(struct sony_td4353_jdi *ctx)48{49 struct mipi_dsi_device *dsi = ctx->dsi;50 struct device *dev = &dsi->dev;51 int ret;52 53 dsi->mode_flags |= MIPI_DSI_MODE_LPM;54 55 ret = mipi_dsi_dcs_set_column_address(dsi, 0x0000, 1080 - 1);56 if (ret < 0) {57 dev_err(dev, "Failed to set column address: %d\n", ret);58 return ret;59 }60 61 ret = mipi_dsi_dcs_set_page_address(dsi, 0x0000, 2160 - 1);62 if (ret < 0) {63 dev_err(dev, "Failed to set page address: %d\n", ret);64 return ret;65 }66 67 ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0);68 if (ret < 0) {69 dev_err(dev, "Failed to set tear scanline: %d\n", ret);70 return ret;71 }72 73 ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);74 if (ret < 0) {75 dev_err(dev, "Failed to set tear on: %d\n", ret);76 return ret;77 }78 79 mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_ADDRESS_MODE, 0x00);80 81 ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x77);82 if (ret < 0) {83 dev_err(dev, "Failed to set pixel format: %d\n", ret);84 return ret;85 }86 87 mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS,88 0x00, 0x00, 0x08, 0x6f);89 90 ret = mipi_dsi_dcs_exit_sleep_mode(dsi);91 if (ret < 0) {92 dev_err(dev, "Failed to exit sleep mode: %d\n", ret);93 return ret;94 }95 msleep(70);96 97 mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_MEMORY_START);98 99 ret = mipi_dsi_dcs_set_display_on(dsi);100 if (ret < 0) {101 dev_err(dev, "Failed to turn display on: %d\n", ret);102 return ret;103 }104 105 return 0;106}107 108static int sony_td4353_jdi_off(struct sony_td4353_jdi *ctx)109{110 struct mipi_dsi_device *dsi = ctx->dsi;111 struct device *dev = &dsi->dev;112 int ret;113 114 dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;115 116 ret = mipi_dsi_dcs_set_display_off(dsi);117 if (ret < 0) {118 dev_err(dev, "Failed to set display off: %d\n", ret);119 return ret;120 }121 msleep(22);122 123 ret = mipi_dsi_dcs_set_tear_off(dsi);124 if (ret < 0) {125 dev_err(dev, "Failed to set tear off: %d\n", ret);126 return ret;127 }128 129 ret = mipi_dsi_dcs_enter_sleep_mode(dsi);130 if (ret < 0) {131 dev_err(dev, "Failed to enter sleep mode: %d\n", ret);132 return ret;133 }134 msleep(80);135 136 return 0;137}138 139static void sony_td4353_assert_reset_gpios(struct sony_td4353_jdi *ctx, int mode)140{141 gpiod_set_value_cansleep(ctx->touch_reset_gpio, mode);142 gpiod_set_value_cansleep(ctx->panel_reset_gpio, mode);143 usleep_range(5000, 5100);144}145 146static int sony_td4353_jdi_prepare(struct drm_panel *panel)147{148 struct sony_td4353_jdi *ctx = to_sony_td4353_jdi(panel);149 struct device *dev = &ctx->dsi->dev;150 int ret;151 152 ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);153 if (ret < 0) {154 dev_err(dev, "Failed to enable regulators: %d\n", ret);155 return ret;156 }157 158 msleep(100);159 160 sony_td4353_assert_reset_gpios(ctx, 1);161 162 ret = sony_td4353_jdi_on(ctx);163 if (ret < 0) {164 dev_err(dev, "Failed to power on panel: %d\n", ret);165 sony_td4353_assert_reset_gpios(ctx, 0);166 regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);167 return ret;168 }169 170 return 0;171}172 173static int sony_td4353_jdi_unprepare(struct drm_panel *panel)174{175 struct sony_td4353_jdi *ctx = to_sony_td4353_jdi(panel);176 struct device *dev = &ctx->dsi->dev;177 int ret;178 179 ret = sony_td4353_jdi_off(ctx);180 if (ret < 0)181 dev_err(dev, "Failed to power off panel: %d\n", ret);182 183 sony_td4353_assert_reset_gpios(ctx, 0);184 regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);185 186 return 0;187}188 189static const struct drm_display_mode sony_td4353_jdi_mode_tama_60hz = {190 .clock = (1080 + 4 + 8 + 8) * (2160 + 259 + 8 + 8) * 60 / 1000,191 .hdisplay = 1080,192 .hsync_start = 1080 + 4,193 .hsync_end = 1080 + 4 + 8,194 .htotal = 1080 + 4 + 8 + 8,195 .vdisplay = 2160,196 .vsync_start = 2160 + 259,197 .vsync_end = 2160 + 259 + 8,198 .vtotal = 2160 + 259 + 8 + 8,199 .width_mm = 64,200 .height_mm = 128,201};202 203static int sony_td4353_jdi_get_modes(struct drm_panel *panel,204 struct drm_connector *connector)205{206 struct sony_td4353_jdi *ctx = to_sony_td4353_jdi(panel);207 struct drm_display_mode *mode = NULL;208 209 if (ctx->type == TYPE_TAMA_60HZ)210 mode = drm_mode_duplicate(connector->dev, &sony_td4353_jdi_mode_tama_60hz);211 else212 return -EINVAL;213 214 if (!mode)215 return -ENOMEM;216 217 drm_mode_set_name(mode);218 219 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;220 connector->display_info.width_mm = mode->width_mm;221 connector->display_info.height_mm = mode->height_mm;222 drm_mode_probed_add(connector, mode);223 224 return 1;225}226 227static const struct drm_panel_funcs sony_td4353_jdi_panel_funcs = {228 .prepare = sony_td4353_jdi_prepare,229 .unprepare = sony_td4353_jdi_unprepare,230 .get_modes = sony_td4353_jdi_get_modes,231};232 233static int sony_td4353_jdi_probe(struct mipi_dsi_device *dsi)234{235 struct device *dev = &dsi->dev;236 struct sony_td4353_jdi *ctx;237 int ret;238 239 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);240 if (!ctx)241 return -ENOMEM;242 243 ctx->type = (uintptr_t)of_device_get_match_data(dev);244 245 ctx->supplies[0].supply = "vddio";246 ctx->supplies[1].supply = "vsp";247 ctx->supplies[2].supply = "vsn";248 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),249 ctx->supplies);250 if (ret < 0)251 return dev_err_probe(dev, ret, "Failed to get regulators\n");252 253 ctx->panel_reset_gpio = devm_gpiod_get(dev, "panel-reset", GPIOD_ASIS);254 if (IS_ERR(ctx->panel_reset_gpio))255 return dev_err_probe(dev, PTR_ERR(ctx->panel_reset_gpio),256 "Failed to get panel-reset-gpios\n");257 258 ctx->touch_reset_gpio = devm_gpiod_get(dev, "touch-reset", GPIOD_ASIS);259 if (IS_ERR(ctx->touch_reset_gpio))260 return dev_err_probe(dev, PTR_ERR(ctx->touch_reset_gpio),261 "Failed to get touch-reset-gpios\n");262 263 ctx->dsi = dsi;264 mipi_dsi_set_drvdata(dsi, ctx);265 266 dsi->lanes = 4;267 dsi->format = MIPI_DSI_FMT_RGB888;268 dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;269 270 drm_panel_init(&ctx->panel, dev, &sony_td4353_jdi_panel_funcs,271 DRM_MODE_CONNECTOR_DSI);272 273 ret = drm_panel_of_backlight(&ctx->panel);274 if (ret)275 return dev_err_probe(dev, ret, "Failed to get backlight\n");276 277 drm_panel_add(&ctx->panel);278 279 ret = mipi_dsi_attach(dsi);280 if (ret < 0) {281 dev_err(dev, "Failed to attach to DSI host: %d\n", ret);282 drm_panel_remove(&ctx->panel);283 return ret;284 }285 286 return 0;287}288 289static void sony_td4353_jdi_remove(struct mipi_dsi_device *dsi)290{291 struct sony_td4353_jdi *ctx = mipi_dsi_get_drvdata(dsi);292 int ret;293 294 ret = mipi_dsi_detach(dsi);295 if (ret < 0)296 dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);297 298 drm_panel_remove(&ctx->panel);299}300 301static const struct of_device_id sony_td4353_jdi_of_match[] = {302 { .compatible = "sony,td4353-jdi-tama", .data = (void *)TYPE_TAMA_60HZ },303 { /* sentinel */ }304};305MODULE_DEVICE_TABLE(of, sony_td4353_jdi_of_match);306 307static struct mipi_dsi_driver sony_td4353_jdi_driver = {308 .probe = sony_td4353_jdi_probe,309 .remove = sony_td4353_jdi_remove,310 .driver = {311 .name = "panel-sony-td4353-jdi",312 .of_match_table = sony_td4353_jdi_of_match,313 },314};315module_mipi_dsi_driver(sony_td4353_jdi_driver);316 317MODULE_AUTHOR("Konrad Dybcio <konrad.dybcio@somainline.org>");318MODULE_DESCRIPTION("DRM panel driver for SONY Xperia XZ2/XZ2c JDI panel");319MODULE_LICENSE("GPL");320