Add a driver for panels using the Novatek NT35950 Display Driver IC, including support for the Sharp LS055D1SX04, found in some Sony Xperia Z5 Premium and XZ Premium smartphones.

Signed-off-by: AngeloGioacchino Del Regno angelogioacchino.delregno@somainline.org --- drivers/gpu/drm/panel/Kconfig | 11 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-novatek-nt35950.c | 702 ++++++++++++++++++ 3 files changed, 714 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-novatek-nt35950.c

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index ab5a52c71ec5..1cf064d597a2 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -271,6 +271,17 @@ config DRM_PANEL_NOVATEK_NT35510 around the Novatek NT35510 display controller, such as some Hydis panels.

+config DRM_PANEL_NOVATEK_NT35950 + tristate "Novatek NT35950 DSI panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for the panels built + around the Novatek NT35950 display controller, such as some + Sharp panels used in Sony Xperia Z5 Premium and XZ Premium + mobile phones. + config DRM_PANEL_NOVATEK_NT36672A tristate "Novatek NT36672A DSI panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 1b494d479ffd..190b5f90af4d 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o obj-$(CONFIG_DRM_PANEL_NEC_NL8048HL11) += panel-nec-nl8048hl11.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35510) += panel-novatek-nt35510.o +obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35950) += panel-novatek-nt35950.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36672A) += panel-novatek-nt36672a.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT39016) += panel-novatek-nt39016.o obj-$(CONFIG_DRM_PANEL_MANTIX_MLAF057WE51) += panel-mantix-mlaf057we51.o diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35950.c b/drivers/gpu/drm/panel/panel-novatek-nt35950.c new file mode 100644 index 000000000000..d42c7af0d75c --- /dev/null +++ b/drivers/gpu/drm/panel/panel-novatek-nt35950.c @@ -0,0 +1,702 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Novatek NT35950 DriverIC panels driver + * + * Copyright (c) 2021 AngeloGioacchino Del Regno + * angelogioacchino.delregno@somainline.org + */ +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/of_graph.h> +#include <linux/regulator/consumer.h> + +#include <drm/drm_connector.h> +#include <drm/drm_crtc.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +#define MCS_CMD_MAUCCTR 0xf0 /* Manufacturer command enable */ +#define MCS_PARAM_SCALER_FUNCTION 0x58 /* Scale-up function */ +#define MCS_PARAM_SCALEUP_MODE 0xc9 + #define MCS_SCALEUP_SIMPLE 0x0 + #define MCS_SCALEUP_BILINEAR BIT(0) + #define MCS_SCALEUP_DUPLICATE (BIT(0) | BIT(4)) + +/* VESA Display Stream Compression param */ +#define MCS_PARAM_VESA_DSC_ON 0x03 + +/* Data Compression mode */ +#define MCS_PARAM_DATA_COMPRESSION 0x90 + #define MCS_DATA_COMPRESSION_NONE 0x00 + #define MCS_DATA_COMPRESSION_FBC 0x02 + #define MCS_DATA_COMPRESSION_DSC 0x03 + +/* Display Output control */ +#define MCS_PARAM_DISP_OUTPUT_CTRL 0xb4 + #define MCS_DISP_OUT_SRAM_EN BIT(0) + #define MCS_DISP_OUT_VIDEO_MODE BIT(4) + +/* VESA Display Stream Compression setting */ +#define MCS_PARAM_VESA_DSC_SETTING 0xc0 + +/* SubPixel Rendering (SPR) */ +#define MCS_PARAM_SPR_EN 0xe3 +#define MCS_PARAM_SPR_MODE 0xef + #define MCS_SPR_MODE_YYG_RAINBOW_RGB 0x01 + +#define NT35950_VREG_MAX 4 + +struct nt35950 { + struct drm_panel panel; + struct drm_connector *connector; + struct mipi_dsi_device *dsi[2]; + struct regulator_bulk_data vregs[NT35950_VREG_MAX]; + struct gpio_desc *reset_gpio; + const struct nt35950_panel_desc *desc; + + int cur_mode; + u8 last_page; + bool prepared; +}; + +struct nt35950_panel_mode { + const struct drm_display_mode mode; + + bool enable_sram; + bool is_video_mode; + u8 scaler_on; + u8 scaler_mode; + u8 compression; + u8 spr_en; + u8 spr_mode; +}; + +struct nt35950_panel_desc { + const char *model_name; + const struct mipi_dsi_device_info dsi_info; + const struct nt35950_panel_mode *mode_data; + + bool is_dual_dsi; + u8 num_lanes; + u8 num_modes; +}; + +static inline struct nt35950 *to_nt35950(struct drm_panel *panel) +{ + return container_of(panel, struct nt35950, panel); +} + +#define dsi_dcs_write_seq(dsi, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static void nt35950_reset(struct nt35950 *nt) +{ + gpiod_set_value_cansleep(nt->reset_gpio, 1); + usleep_range(12000, 13000); + gpiod_set_value_cansleep(nt->reset_gpio, 0); + usleep_range(300, 400); + gpiod_set_value_cansleep(nt->reset_gpio, 1); + usleep_range(12000, 13000); +} + +/* + * nt35950_set_cmd2_page - Select manufacturer control (CMD2) page + * @nt: Main driver structure + * @page: Page number (0-7) + * + * Return: Number of transferred bytes or negative number on error + */ +static int nt35950_set_cmd2_page(struct nt35950 *nt, u8 page) +{ + const u8 mauc_cmd2_page[] = { MCS_CMD_MAUCCTR, 0x55, 0xaa, 0x52, + 0x08, page }; + int ret; + + ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], mauc_cmd2_page, + ARRAY_SIZE(mauc_cmd2_page)); + if (ret < 0) + return ret; + + nt->last_page = page; + return 0; +} + +/* + * nt35950_set_data_compression - Set data compression mode + * @nt: Main driver structure + * @comp_mode: Compression mode + * + * Return: Number of transferred bytes or negative number on error + */ +static int nt35950_set_data_compression(struct nt35950 *nt, u8 comp_mode) +{ + u8 cmd_data_compression[] = { MCS_PARAM_DATA_COMPRESSION, comp_mode }; + u8 cmd_vesa_dsc_on[] = { MCS_PARAM_VESA_DSC_ON, !!comp_mode }; + u8 cmd_vesa_dsc_setting[] = { MCS_PARAM_VESA_DSC_SETTING, 0x03 }; + u8 last_page = nt->last_page; + int ret; + + /* Set CMD2 Page 0 if we're not there yet */ + if (last_page != 0) { + ret = nt35950_set_cmd2_page(nt, 0); + if (ret < 0) + return ret; + } + + ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_data_compression, + ARRAY_SIZE(cmd_data_compression)); + if (ret < 0) + return ret; + + ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_vesa_dsc_on, + ARRAY_SIZE(cmd_vesa_dsc_on)); + if (ret < 0) + return ret; + + /* Set the vesa dsc setting on Page 4 */ + ret = nt35950_set_cmd2_page(nt, 4); + if (ret < 0) + return ret; + + /* Display Stream Compression setting, always 0x03 */ + ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_vesa_dsc_setting, + ARRAY_SIZE(cmd_vesa_dsc_setting)); + if (ret < 0) + return ret; + + /* Get back to the previously set page */ + return nt35950_set_cmd2_page(nt, last_page); +} + +/* + * nt35950_set_scaler - Enable/disable resolution upscaling + * @nt: Main driver structure + * @scale_up: Scale up function control + * + * Return: Number of transferred bytes or negative number on error + */ +static int nt35950_set_scaler(struct nt35950 *nt, u8 scale_up) +{ + u8 cmd_scaler[] = { MCS_PARAM_SCALER_FUNCTION, scale_up }; + + return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_scaler, + ARRAY_SIZE(cmd_scaler)); +} + +/* + * nt35950_set_scale_mode - Resolution upscaling mode + * @nt: Main driver structure + * @mode: Scaler mode (MCS_DATA_COMPRESSION_*) + * + * Return: Number of transferred bytes or negative number on error + */ +static int nt35950_set_scale_mode(struct nt35950 *nt, u8 mode) +{ + u8 cmd_scaler[] = { MCS_PARAM_SCALEUP_MODE, mode }; + + return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_scaler, + ARRAY_SIZE(cmd_scaler)); +} + +/* + * nt35950_inject_black_image - Display a completely black image + * @nt: Main driver structure + * + * After IC setup, the attached panel may show random data + * due to driveric behavior changes (resolution, compression, + * scaling, etc). This function, called after parameters setup, + * makes the driver ic to output a completely black image to + * the display. + * It makes sense to push a black image before sending the sleep-out + * and display-on commands. + * + * Return: Number of transferred bytes or negative number on error + */ +static int nt35950_inject_black_image(struct nt35950 *nt) +{ + const u8 cmd0_black_img[] = { 0x6f, 0x01 }; + const u8 cmd1_black_img[] = { 0xf3, 0x10 }; + u8 cmd_test[] = { 0xff, 0xaa, 0x55, 0xa5, 0x80 }; + int ret; + + /* Enable test command */ + ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_test, ARRAY_SIZE(cmd_test)); + if (ret < 0) + return ret; + + /* Send a black image */ + ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd0_black_img, + ARRAY_SIZE(cmd0_black_img)); + if (ret < 0) + return ret; + ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd1_black_img, + ARRAY_SIZE(cmd1_black_img)); + if (ret < 0) + return ret; + + /* Disable test command */ + cmd_test[ARRAY_SIZE(cmd_test) - 1] = 0x00; + return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_test, ARRAY_SIZE(cmd_test)); +} + +/* + * nt35950_set_dispout - Set Display Output register parameters + * @nt: Main driver structure + * + * Return: Number of transferred bytes or negative number on error + */ +static int nt35950_set_dispout(struct nt35950 *nt) +{ + u8 cmd_dispout[] = { MCS_PARAM_DISP_OUTPUT_CTRL, 0x00 }; + const struct nt35950_panel_mode *mode_data = nt->desc->mode_data; + + if (mode_data[nt->cur_mode].is_video_mode) + cmd_dispout[1] |= MCS_DISP_OUT_VIDEO_MODE; + if (mode_data[nt->cur_mode].enable_sram) + cmd_dispout[1] |= MCS_DISP_OUT_SRAM_EN; + + return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_dispout, + ARRAY_SIZE(cmd_dispout)); +} + +static int nt35950_get_current_mode(struct nt35950 *nt) +{ + struct drm_connector *connector = nt->connector; + struct drm_crtc_state *crtc_state; + int i; + + /* Return the default (first) mode if no info available yet */ + if (!connector->state || !connector->state->crtc) + return 0; + + crtc_state = connector->state->crtc->state; + + for (i = 0; i < nt->desc->num_modes; i++) { + if (drm_mode_match(&crtc_state->mode, + &nt->desc->mode_data[i].mode, + DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_CLOCK)) + return i; + } + + return 0; +} + +static int nt35950_on(struct nt35950 *nt) +{ + const struct nt35950_panel_mode *mode_data = nt->desc->mode_data; + struct mipi_dsi_device *dsi = nt->dsi[0]; + struct device *dev = &dsi->dev; + int ret; + + nt->cur_mode = nt35950_get_current_mode(nt); + nt->dsi[0]->mode_flags |= MIPI_DSI_MODE_LPM; + nt->dsi[1]->mode_flags |= MIPI_DSI_MODE_LPM; + + ret = nt35950_set_cmd2_page(nt, 0); + if (ret < 0) + return ret; + + ret = nt35950_set_data_compression(nt, mode_data[nt->cur_mode].compression); + if (ret < 0) + return ret; + + ret = nt35950_set_scale_mode(nt, mode_data[nt->cur_mode].scaler_mode); + if (ret < 0) + return ret; + + ret = nt35950_set_scaler(nt, mode_data[nt->cur_mode].scaler_on); + if (ret < 0) + return ret; + + ret = nt35950_set_dispout(nt); + if (ret < 0) + return ret; + + 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; + } + + ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0); + if (ret < 0) { + dev_err(dev, "Failed to set tear scanline: %d\n", ret); + return ret; + } + + /* CMD2 Page 1 */ + ret = nt35950_set_cmd2_page(nt, 1); + if (ret < 0) + return ret; + + /* Unknown command */ + dsi_dcs_write_seq(dsi, 0xd4, 0x88, 0x88); + + /* CMD2 Page 7 */ + ret = nt35950_set_cmd2_page(nt, 7); + if (ret < 0) + return ret; + + /* Enable SubPixel Rendering */ + dsi_dcs_write_seq(dsi, MCS_PARAM_SPR_EN, 0x01); + + /* SPR Mode: YYG Rainbow-RGB */ + dsi_dcs_write_seq(dsi, MCS_PARAM_SPR_MODE, MCS_SPR_MODE_YYG_RAINBOW_RGB); + + /* CMD3 */ + ret = nt35950_inject_black_image(nt); + if (ret < 0) + return ret; + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) + return ret; + msleep(120); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) + return ret; + msleep(120); + + nt->dsi[0]->mode_flags &= ~MIPI_DSI_MODE_LPM; + nt->dsi[1]->mode_flags &= ~MIPI_DSI_MODE_LPM; + + return 0; +} + +static int nt35950_off(struct nt35950 *nt) +{ + struct device *dev = &nt->dsi[0]->dev; + int ret; + + ret = mipi_dsi_dcs_set_display_off(nt->dsi[0]); + if (ret < 0) { + dev_err(dev, "Failed to set display off: %d\n", ret); + goto set_lpm; + } + usleep_range(10000, 11000); + + ret = mipi_dsi_dcs_enter_sleep_mode(nt->dsi[0]); + if (ret < 0) { + dev_err(dev, "Failed to enter sleep mode: %d\n", ret); + goto set_lpm; + } + msleep(150); + +set_lpm: + nt->dsi[0]->mode_flags |= MIPI_DSI_MODE_LPM; + nt->dsi[1]->mode_flags |= MIPI_DSI_MODE_LPM; + + return 0; +} + +static int nt35950_sharp_init_vregs(struct nt35950 *nt, struct device *dev) +{ + int ret; + + nt->vregs[0].supply = "vddio"; + nt->vregs[1].supply = "avdd"; + nt->vregs[2].supply = "avee"; + nt->vregs[3].supply = "dvdd"; + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(nt->vregs), + nt->vregs); + if (ret < 0) + return ret; + + ret = regulator_is_supported_voltage(nt->vregs[0].consumer, + 1750000, 1950000); + if (!ret) + return -EINVAL; + ret = regulator_is_supported_voltage(nt->vregs[1].consumer, + 5200000, 5900000); + if (!ret) + return -EINVAL; + /* AVEE is negative: -5.90V to -5.20V */ + ret = regulator_is_supported_voltage(nt->vregs[2].consumer, + 5200000, 5900000); + if (!ret) + return -EINVAL; + + ret = regulator_is_supported_voltage(nt->vregs[3].consumer, + 1300000, 1400000); + if (!ret) + return -EINVAL; + + return 0; +} + +static int nt35950_prepare(struct drm_panel *panel) +{ + struct nt35950 *nt = to_nt35950(panel); + struct device *dev = &nt->dsi[0]->dev; + int ret; + + if (nt->prepared) + return 0; + + ret = regulator_enable(nt->vregs[0].consumer); + if (ret) + return ret; + usleep_range(2000, 5000); + + ret = regulator_enable(nt->vregs[3].consumer); + if (ret) + goto end; + usleep_range(15000, 18000); + + ret = regulator_enable(nt->vregs[1].consumer); + if (ret) + goto end; + + ret = regulator_enable(nt->vregs[2].consumer); + if (ret) + goto end; + usleep_range(12000, 13000); + + nt35950_reset(nt); + + ret = nt35950_on(nt); + if (ret < 0) { + dev_err(dev, "Failed to initialize panel: %d\n", ret); + goto end; + } + nt->prepared = true; + +end: + if (ret < 0) { + regulator_bulk_disable(ARRAY_SIZE(nt->vregs), nt->vregs); + return ret; + } + + return 0; +} + +static int nt35950_unprepare(struct drm_panel *panel) +{ + struct nt35950 *nt = to_nt35950(panel); + struct device *dev = &nt->dsi[0]->dev; + int ret; + + if (!nt->prepared) + return 0; + + ret = nt35950_off(nt); + if (ret < 0) + dev_err(dev, "Failed to deinitialize panel: %d\n", ret); + + gpiod_set_value_cansleep(nt->reset_gpio, 0); + regulator_bulk_disable(ARRAY_SIZE(nt->vregs), nt->vregs); + + nt->prepared = false; + return 0; +} + +static int nt35950_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct nt35950 *nt = to_nt35950(panel); + int i; + + for (i = 0; i < nt->desc->num_modes; i++) { + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, + &nt->desc->mode_data[i].mode); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); + + mode->type |= DRM_MODE_TYPE_DRIVER; + if (nt->desc->num_modes == 1) + mode->type |= DRM_MODE_TYPE_PREFERRED; + + drm_mode_probed_add(connector, mode); + } + + connector->display_info.bpc = 8; + connector->display_info.height_mm = nt->desc->mode_data[0].mode.height_mm; + connector->display_info.width_mm = nt->desc->mode_data[0].mode.width_mm; + nt->connector = connector; + + return nt->desc->num_modes; +} + +static const struct drm_panel_funcs nt35950_panel_funcs = { + .prepare = nt35950_prepare, + .unprepare = nt35950_unprepare, + .get_modes = nt35950_get_modes, +}; + +static int nt35950_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct device_node *dsi_r; + struct mipi_dsi_host *dsi_r_host; + struct nt35950 *nt; + const struct mipi_dsi_device_info *info; + int i, num_dsis = 1, ret; + + nt = devm_kzalloc(dev, sizeof(*nt), GFP_KERNEL); + if (!nt) + return -ENOMEM; + + ret = nt35950_sharp_init_vregs(nt, dev); + if (ret) + return dev_err_probe(dev, ret, "Regulator init failure.\n"); + + nt->desc = of_device_get_match_data(dev); + if (!nt->desc) + return -ENODEV; + + nt->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_ASIS); + if (IS_ERR(nt->reset_gpio)) { + return dev_err_probe(dev, PTR_ERR(nt->reset_gpio), + "Failed to get reset gpio\n"); + } + + /* If the panel is connected on two DSIs then DSI0 left, DSI1 right */ + if (nt->desc->is_dual_dsi) { + info = &nt->desc->dsi_info; + dsi_r = of_graph_get_remote_node(dsi->dev.of_node, 1, -1); + if (!dsi_r) { + dev_err(dev, "Cannot get secondary DSI node.\n"); + return -ENODEV; + } + dsi_r_host = of_find_mipi_dsi_host_by_node(dsi_r); + of_node_put(dsi_r); + if (!dsi_r_host) { + dev_err(dev, "Cannot get secondary DSI host\n"); + return -EPROBE_DEFER; + } + + nt->dsi[1] = mipi_dsi_device_register_full(dsi_r_host, info); + if (!nt->dsi[1]) { + dev_err(dev, "Cannot get secondary DSI node\n"); + return -ENODEV; + } + num_dsis++; + } + + nt->dsi[0] = dsi; + mipi_dsi_set_drvdata(dsi, nt); + + drm_panel_init(&nt->panel, dev, &nt35950_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&nt->panel); + if (ret) + return dev_err_probe(dev, ret, "Failed to get backlight\n"); + + drm_panel_add(&nt->panel); + + for (i = 0; i < num_dsis; i++) { + nt->dsi[i]->lanes = nt->desc->num_lanes; + nt->dsi[i]->format = MIPI_DSI_FMT_RGB888; + + nt->dsi[i]->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS | + MIPI_DSI_MODE_LPM; + + if (nt->desc->mode_data[0].is_video_mode) + nt->dsi[i]->mode_flags |= MIPI_DSI_MODE_VIDEO; + + ret = mipi_dsi_attach(nt->dsi[i]); + if (ret < 0) { + return dev_err_probe(dev, ret, + "Cannot attach to DSI%d host.\n", i); + } + } + + /* Make sure to set RESX LOW before starting the power-on sequence */ + gpiod_set_value_cansleep(nt->reset_gpio, 0); + return 0; +} + +static int nt35950_remove(struct mipi_dsi_device *dsi) +{ + struct nt35950 *nt = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = mipi_dsi_detach(nt->dsi[0]); + if (ret < 0) + dev_err(&dsi->dev, + "Failed to detach from DSI0 host: %d\n", ret); + + if (nt->dsi[1]) { + ret = mipi_dsi_detach(nt->dsi[1]); + if (ret < 0) + dev_err(&dsi->dev, + "Failed to detach from DSI1 host: %d\n", ret); + mipi_dsi_device_unregister(nt->dsi[1]); + }; + + drm_panel_remove(&nt->panel); + + return 0; +} + +static const struct nt35950_panel_mode sharp_ls055d1sx04_modes[] = { + { + /* 1920x1080 60Hz no compression */ + .mode = { + .clock = 214537, + .hdisplay = 1080, + .hsync_start = 1080 + 400, + .hsync_end = 1080 + 400 + 40, + .htotal = 1080 + 400 + 40 + 300, + .vdisplay = 1920, + .vsync_start = 1920 + 12, + .vsync_end = 1920 + 12 + 2, + .vtotal = 1920 + 12 + 2 + 10, + .width_mm = 68, + .height_mm = 121, + }, + .compression = MCS_DATA_COMPRESSION_NONE, + .enable_sram = true, + .is_video_mode = false, + .scaler_on = 1, + .scaler_mode = MCS_SCALEUP_DUPLICATE, + }, + /* TODO: Add 2160x3840 60Hz when DSC is supported */ +}; + +const struct nt35950_panel_desc sharp_ls055d1sx04 = { + .model_name = "Sharp LS055D1SX04", + .dsi_info = { + .type = "LS055D1SX04", + .channel = 0, + .node = NULL, + }, + .mode_data = sharp_ls055d1sx04_modes, + .num_modes = ARRAY_SIZE(sharp_ls055d1sx04_modes), + .is_dual_dsi = true, + .num_lanes = 4, +}; + +static const struct of_device_id nt35950_of_match[] = { + { .compatible = "sharp,ls055d1sx04", .data = &sharp_ls055d1sx04 }, + { } +}; +MODULE_DEVICE_TABLE(of, nt35950_of_match); + +static struct mipi_dsi_driver nt35950_driver = { + .probe = nt35950_probe, + .remove = nt35950_remove, + .driver = { + .name = "panel-novatek-nt35950", + .of_match_table = nt35950_of_match, + }, +}; +module_mipi_dsi_driver(nt35950_driver); + +MODULE_AUTHOR("AngeloGioacchino Del Regno angelogioacchino.delregno@somainline.org"); +MODULE_DESCRIPTION("Novatek NT35950 DriverIC panels driver"); +MODULE_LICENSE("GPL v2");