Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Raffaele Tranquillini | 1408 | 98.19% | 1 | 25.00% |
Javier Martinez Canillas | 17 | 1.19% | 1 | 25.00% |
Barnabás Czémán | 8 | 0.56% | 1 | 25.00% |
Uwe Kleine-König | 1 | 0.07% | 1 | 25.00% |
Total | 1434 | 4 |
// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2021 Raffaele Tranquillini <raffaele.tranquillini@gmail.com> * * Generated using linux-mdss-dsi-panel-driver-generator from Lineage OS device tree: * https://github.com/LineageOS/android_kernel_xiaomi_msm8996/blob/lineage-18.1/arch/arm/boot/dts/qcom/a1-msm8996-mtp.dtsi */ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/of.h> #include <video/mipi_display.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_modes.h> #include <drm/drm_panel.h> struct jdi_fhd_r63452 { struct drm_panel panel; struct mipi_dsi_device *dsi; struct gpio_desc *reset_gpio; }; static inline struct jdi_fhd_r63452 *to_jdi_fhd_r63452(struct drm_panel *panel) { return container_of(panel, struct jdi_fhd_r63452, panel); } static void jdi_fhd_r63452_reset(struct jdi_fhd_r63452 *ctx) { gpiod_set_value_cansleep(ctx->reset_gpio, 0); usleep_range(10000, 11000); gpiod_set_value_cansleep(ctx->reset_gpio, 1); usleep_range(1000, 2000); gpiod_set_value_cansleep(ctx->reset_gpio, 0); usleep_range(10000, 11000); } static int jdi_fhd_r63452_on(struct jdi_fhd_r63452 *ctx) { struct mipi_dsi_device *dsi = ctx->dsi; struct device *dev = &dsi->dev; int ret; dsi->mode_flags |= MIPI_DSI_MODE_LPM; mipi_dsi_generic_write_seq(dsi, 0xb0, 0x00); mipi_dsi_generic_write_seq(dsi, 0xd6, 0x01); mipi_dsi_generic_write_seq(dsi, 0xec, 0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b, 0x13, 0x15, 0x68, 0x0b, 0xb5); mipi_dsi_generic_write_seq(dsi, 0xb0, 0x03); ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); if (ret < 0) { dev_err(dev, "Failed to set tear on: %d\n", ret); return ret; } mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_ADDRESS_MODE, 0x00); ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x77); if (ret < 0) { dev_err(dev, "Failed to set pixel format: %d\n", ret); return ret; } ret = mipi_dsi_dcs_set_column_address(dsi, 0x0000, 0x0437); if (ret < 0) { dev_err(dev, "Failed to set column address: %d\n", ret); return ret; } ret = mipi_dsi_dcs_set_page_address(dsi, 0x0000, 0x077f); if (ret < 0) { dev_err(dev, "Failed to set page address: %d\n", ret); return ret; } ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0x0000); if (ret < 0) { dev_err(dev, "Failed to set tear scanline: %d\n", ret); return ret; } ret = mipi_dsi_dcs_set_display_brightness(dsi, 0x00ff); if (ret < 0) { dev_err(dev, "Failed to set display brightness: %d\n", ret); return ret; } mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x24); mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00); mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x84, 0x00); ret = mipi_dsi_dcs_set_display_on(dsi); if (ret < 0) { dev_err(dev, "Failed to set display on: %d\n", ret); return ret; } msleep(20); ret = mipi_dsi_dcs_exit_sleep_mode(dsi); if (ret < 0) { dev_err(dev, "Failed to exit sleep mode: %d\n", ret); return ret; } msleep(80); mipi_dsi_generic_write_seq(dsi, 0xb0, 0x04); mipi_dsi_dcs_write_seq(dsi, 0x84, 0x00); mipi_dsi_generic_write_seq(dsi, 0xc8, 0x11); mipi_dsi_generic_write_seq(dsi, 0xb0, 0x03); return 0; } static int jdi_fhd_r63452_off(struct jdi_fhd_r63452 *ctx) { struct mipi_dsi_device *dsi = ctx->dsi; struct device *dev = &dsi->dev; int ret; dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; mipi_dsi_generic_write_seq(dsi, 0xb0, 0x00); mipi_dsi_generic_write_seq(dsi, 0xd6, 0x01); mipi_dsi_generic_write_seq(dsi, 0xec, 0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b, 0x13, 0x15, 0x68, 0x0b, 0x95); mipi_dsi_generic_write_seq(dsi, 0xb0, 0x03); ret = mipi_dsi_dcs_set_display_off(dsi); if (ret < 0) { dev_err(dev, "Failed to set display off: %d\n", ret); return ret; } usleep_range(2000, 3000); ret = mipi_dsi_dcs_enter_sleep_mode(dsi); if (ret < 0) { dev_err(dev, "Failed to enter sleep mode: %d\n", ret); return ret; } msleep(120); return 0; } static int jdi_fhd_r63452_prepare(struct drm_panel *panel) { struct jdi_fhd_r63452 *ctx = to_jdi_fhd_r63452(panel); struct device *dev = &ctx->dsi->dev; int ret; jdi_fhd_r63452_reset(ctx); ret = jdi_fhd_r63452_on(ctx); if (ret < 0) { dev_err(dev, "Failed to initialize panel: %d\n", ret); gpiod_set_value_cansleep(ctx->reset_gpio, 1); return ret; } return 0; } static int jdi_fhd_r63452_unprepare(struct drm_panel *panel) { struct jdi_fhd_r63452 *ctx = to_jdi_fhd_r63452(panel); struct device *dev = &ctx->dsi->dev; int ret; ret = jdi_fhd_r63452_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); gpiod_set_value_cansleep(ctx->reset_gpio, 1); return 0; } static const struct drm_display_mode jdi_fhd_r63452_mode = { .clock = (1080 + 120 + 16 + 40) * (1920 + 4 + 2 + 4) * 60 / 1000, .hdisplay = 1080, .hsync_start = 1080 + 120, .hsync_end = 1080 + 120 + 16, .htotal = 1080 + 120 + 16 + 40, .vdisplay = 1920, .vsync_start = 1920 + 4, .vsync_end = 1920 + 4 + 2, .vtotal = 1920 + 4 + 2 + 4, .width_mm = 64, .height_mm = 114, }; static int jdi_fhd_r63452_get_modes(struct drm_panel *panel, struct drm_connector *connector) { struct drm_display_mode *mode; mode = drm_mode_duplicate(connector->dev, &jdi_fhd_r63452_mode); if (!mode) return -ENOMEM; drm_mode_set_name(mode); mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; connector->display_info.width_mm = mode->width_mm; connector->display_info.height_mm = mode->height_mm; drm_mode_probed_add(connector, mode); return 1; } static const struct drm_panel_funcs jdi_fhd_r63452_panel_funcs = { .prepare = jdi_fhd_r63452_prepare, .unprepare = jdi_fhd_r63452_unprepare, .get_modes = jdi_fhd_r63452_get_modes, }; static int jdi_fhd_r63452_probe(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; struct jdi_fhd_r63452 *ctx; int ret; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(ctx->reset_gpio)) return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "Failed to get reset-gpios\n"); ctx->dsi = dsi; mipi_dsi_set_drvdata(dsi, ctx); dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_CLOCK_NON_CONTINUOUS; drm_panel_init(&ctx->panel, dev, &jdi_fhd_r63452_panel_funcs, DRM_MODE_CONNECTOR_DSI); ctx->panel.prepare_prev_first = true; ret = drm_panel_of_backlight(&ctx->panel); if (ret) return dev_err_probe(dev, ret, "Failed to get backlight\n"); drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) { dev_err(dev, "Failed to attach to DSI host: %d\n", ret); return ret; } return 0; } static void jdi_fhd_r63452_remove(struct mipi_dsi_device *dsi) { struct jdi_fhd_r63452 *ctx = mipi_dsi_get_drvdata(dsi); int ret; ret = mipi_dsi_detach(dsi); if (ret < 0) dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); drm_panel_remove(&ctx->panel); } static const struct of_device_id jdi_fhd_r63452_of_match[] = { { .compatible = "jdi,fhd-r63452" }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, jdi_fhd_r63452_of_match); static struct mipi_dsi_driver jdi_fhd_r63452_driver = { .probe = jdi_fhd_r63452_probe, .remove = jdi_fhd_r63452_remove, .driver = { .name = "panel-jdi-fhd-r63452", .of_match_table = jdi_fhd_r63452_of_match, }, }; module_mipi_dsi_driver(jdi_fhd_r63452_driver); MODULE_AUTHOR("Raffaele Tranquillini <raffaele.tranquillini@gmail.com>"); MODULE_DESCRIPTION("DRM driver for JDI FHD R63452 DSI panel, command mode"); MODULE_LICENSE("GPL v2");
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1