| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2019, Huaqin Telecom Technology Co., Ltd |
| * |
| * Author: Jerry Han <jerry.han.hq@gmail.com> |
| * |
| */ |
| |
| #include <linux/delay.h> |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/of.h> |
| #include <linux/of_device.h> |
| |
| #include <linux/gpio/consumer.h> |
| #include <linux/regulator/consumer.h> |
| |
| #include <drm/drm_device.h> |
| #include <drm/drm_mipi_dsi.h> |
| #include <drm/drm_modes.h> |
| #include <drm/drm_panel.h> |
| |
| #include <video/mipi_display.h> |
| |
| struct panel_cmd { |
| char cmd; |
| char data; |
| }; |
| |
| struct panel_desc { |
| const struct drm_display_mode *display_mode; |
| unsigned int bpc; |
| unsigned int width_mm; |
| unsigned int height_mm; |
| |
| unsigned long mode_flags; |
| enum mipi_dsi_pixel_format format; |
| unsigned int lanes; |
| const struct panel_cmd *on_cmds; |
| unsigned int on_cmds_num; |
| }; |
| |
| struct panel_info { |
| struct drm_panel base; |
| struct mipi_dsi_device *link; |
| const struct panel_desc *desc; |
| |
| struct gpio_desc *enable_gpio; |
| struct gpio_desc *pp33_gpio; |
| struct gpio_desc *pp18_gpio; |
| |
| bool prepared; |
| bool enabled; |
| }; |
| |
| static inline struct panel_info *to_panel_info(struct drm_panel *panel) |
| { |
| return container_of(panel, struct panel_info, base); |
| } |
| |
| static void disable_gpios(struct panel_info *pinfo) |
| { |
| gpiod_set_value(pinfo->enable_gpio, 0); |
| gpiod_set_value(pinfo->pp33_gpio, 0); |
| gpiod_set_value(pinfo->pp18_gpio, 0); |
| } |
| |
| static int send_mipi_cmds(struct drm_panel *panel, const struct panel_cmd *cmds) |
| { |
| struct panel_info *pinfo = to_panel_info(panel); |
| unsigned int i = 0; |
| int err; |
| |
| for (i = 0; i < pinfo->desc->on_cmds_num; i++) { |
| err = mipi_dsi_dcs_write_buffer(pinfo->link, &cmds[i], |
| sizeof(struct panel_cmd)); |
| |
| if (err < 0) |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static int boe_panel_disable(struct drm_panel *panel) |
| { |
| struct panel_info *pinfo = to_panel_info(panel); |
| int err; |
| |
| if (!pinfo->enabled) |
| return 0; |
| |
| err = mipi_dsi_dcs_set_display_off(pinfo->link); |
| if (err < 0) { |
| dev_err(panel->dev, "failed to set display off: %d\n", err); |
| return err; |
| } |
| |
| pinfo->enabled = false; |
| |
| return 0; |
| } |
| |
| static int boe_panel_unprepare(struct drm_panel *panel) |
| { |
| struct panel_info *pinfo = to_panel_info(panel); |
| int err; |
| |
| if (!pinfo->prepared) |
| return 0; |
| |
| err = mipi_dsi_dcs_set_display_off(pinfo->link); |
| if (err < 0) |
| dev_err(panel->dev, "failed to set display off: %d\n", err); |
| |
| err = mipi_dsi_dcs_enter_sleep_mode(pinfo->link); |
| if (err < 0) |
| dev_err(panel->dev, "failed to enter sleep mode: %d\n", err); |
| |
| /* sleep_mode_delay: 1ms - 2ms */ |
| usleep_range(1000, 2000); |
| |
| disable_gpios(pinfo); |
| |
| pinfo->prepared = false; |
| |
| return 0; |
| } |
| |
| static int boe_panel_prepare(struct drm_panel *panel) |
| { |
| struct panel_info *pinfo = to_panel_info(panel); |
| int err; |
| |
| if (pinfo->prepared) |
| return 0; |
| |
| gpiod_set_value(pinfo->pp18_gpio, 1); |
| /* T1: 5ms - 6ms */ |
| usleep_range(5000, 6000); |
| gpiod_set_value(pinfo->pp33_gpio, 1); |
| |
| /* reset sequence */ |
| /* T2: 14ms - 15ms */ |
| usleep_range(14000, 15000); |
| gpiod_set_value(pinfo->enable_gpio, 1); |
| |
| /* T3: 1ms - 2ms */ |
| usleep_range(1000, 2000); |
| gpiod_set_value(pinfo->enable_gpio, 0); |
| |
| /* T4: 1ms - 2ms */ |
| usleep_range(1000, 2000); |
| gpiod_set_value(pinfo->enable_gpio, 1); |
| |
| /* T5: 5ms - 6ms */ |
| usleep_range(5000, 6000); |
| |
| /* send init code */ |
| err = send_mipi_cmds(panel, pinfo->desc->on_cmds); |
| if (err < 0) { |
| dev_err(panel->dev, "failed to send DCS Init Code: %d\n", err); |
| goto poweroff; |
| } |
| |
| err = mipi_dsi_dcs_exit_sleep_mode(pinfo->link); |
| if (err < 0) { |
| dev_err(panel->dev, "failed to exit sleep mode: %d\n", err); |
| goto poweroff; |
| } |
| |
| /* T6: 120ms - 121ms */ |
| usleep_range(120000, 121000); |
| |
| err = mipi_dsi_dcs_set_display_on(pinfo->link); |
| if (err < 0) { |
| dev_err(panel->dev, "failed to set display on: %d\n", err); |
| goto poweroff; |
| } |
| |
| /* T7: 20ms - 21ms */ |
| usleep_range(20000, 21000); |
| |
| pinfo->prepared = true; |
| |
| return 0; |
| |
| poweroff: |
| disable_gpios(pinfo); |
| return err; |
| } |
| |
| static int boe_panel_enable(struct drm_panel *panel) |
| { |
| struct panel_info *pinfo = to_panel_info(panel); |
| int ret; |
| |
| if (pinfo->enabled) |
| return 0; |
| |
| usleep_range(120000, 121000); |
| |
| ret = mipi_dsi_dcs_set_display_on(pinfo->link); |
| if (ret < 0) { |
| dev_err(panel->dev, "failed to set display on: %d\n", ret); |
| return ret; |
| } |
| |
| pinfo->enabled = true; |
| |
| return 0; |
| } |
| |
| static int boe_panel_get_modes(struct drm_panel *panel, |
| struct drm_connector *connector) |
| { |
| struct panel_info *pinfo = to_panel_info(panel); |
| const struct drm_display_mode *m = pinfo->desc->display_mode; |
| struct drm_display_mode *mode; |
| |
| mode = drm_mode_duplicate(connector->dev, m); |
| if (!mode) { |
| dev_err(pinfo->base.dev, "failed to add mode %ux%u@%u\n", |
| m->hdisplay, m->vdisplay, drm_mode_vrefresh(m)); |
| return -ENOMEM; |
| } |
| |
| drm_mode_set_name(mode); |
| |
| drm_mode_probed_add(connector, mode); |
| |
| connector->display_info.width_mm = pinfo->desc->width_mm; |
| connector->display_info.height_mm = pinfo->desc->height_mm; |
| connector->display_info.bpc = pinfo->desc->bpc; |
| |
| return 1; |
| } |
| |
| static const struct drm_panel_funcs panel_funcs = { |
| .disable = boe_panel_disable, |
| .unprepare = boe_panel_unprepare, |
| .prepare = boe_panel_prepare, |
| .enable = boe_panel_enable, |
| .get_modes = boe_panel_get_modes, |
| }; |
| |
| static const struct drm_display_mode default_display_mode = { |
| .clock = 159420, |
| .hdisplay = 1200, |
| .hsync_start = 1200 + 80, |
| .hsync_end = 1200 + 80 + 60, |
| .htotal = 1200 + 80 + 60 + 24, |
| .vdisplay = 1920, |
| .vsync_start = 1920 + 10, |
| .vsync_end = 1920 + 10 + 14, |
| .vtotal = 1920 + 10 + 14 + 4, |
| }; |
| |
| /* 8 inch */ |
| static const struct panel_cmd boe_himax8279d8p_on_cmds[] = { |
| { 0xB0, 0x05 }, |
| { 0xB1, 0xE5 }, |
| { 0xB3, 0x52 }, |
| { 0xC0, 0x00 }, |
| { 0xC2, 0x57 }, |
| { 0xD9, 0x85 }, |
| { 0xB0, 0x01 }, |
| { 0xC8, 0x00 }, |
| { 0xC9, 0x00 }, |
| { 0xCC, 0x26 }, |
| { 0xCD, 0x26 }, |
| { 0xDC, 0x00 }, |
| { 0xDD, 0x00 }, |
| { 0xE0, 0x26 }, |
| { 0xE1, 0x26 }, |
| { 0xB0, 0x03 }, |
| { 0xC3, 0x2A }, |
| { 0xE7, 0x2A }, |
| { 0xC5, 0x2A }, |
| { 0xDE, 0x2A }, |
| { 0xBC, 0x02 }, |
| { 0xCB, 0x02 }, |
| { 0xB0, 0x00 }, |
| { 0xB6, 0x03 }, |
| { 0xBA, 0x8B }, |
| { 0xBF, 0x15 }, |
| { 0xC0, 0x18 }, |
| { 0xC2, 0x14 }, |
| { 0xC3, 0x02 }, |
| { 0xC4, 0x14 }, |
| { 0xC5, 0x02 }, |
| { 0xCC, 0x0A }, |
| { 0xB0, 0x06 }, |
| { 0xC0, 0xA5 }, |
| { 0xD5, 0x20 }, |
| { 0xC0, 0x00 }, |
| { 0xB0, 0x02 }, |
| { 0xC0, 0x00 }, |
| { 0xC1, 0x02 }, |
| { 0xC2, 0x06 }, |
| { 0xC3, 0x16 }, |
| { 0xC4, 0x0E }, |
| { 0xC5, 0x18 }, |
| { 0xC6, 0x26 }, |
| { 0xC7, 0x32 }, |
| { 0xC8, 0x3F }, |
| { 0xC9, 0x3F }, |
| { 0xCA, 0x3F }, |
| { 0xCB, 0x3F }, |
| { 0xCC, 0x3D }, |
| { 0xCD, 0x2F }, |
| { 0xCE, 0x2F }, |
| { 0xCF, 0x2F }, |
| { 0xD0, 0x07 }, |
| { 0xD2, 0x00 }, |
| { 0xD3, 0x02 }, |
| { 0xD4, 0x06 }, |
| { 0xD5, 0x12 }, |
| { 0xD6, 0x0A }, |
| { 0xD7, 0x14 }, |
| { 0xD8, 0x22 }, |
| { 0xD9, 0x2E }, |
| { 0xDA, 0x3D }, |
| { 0xDB, 0x3F }, |
| { 0xDC, 0x3F }, |
| { 0xDD, 0x3F }, |
| { 0xDE, 0x3D }, |
| { 0xDF, 0x2F }, |
| { 0xE0, 0x2F }, |
| { 0xE1, 0x2F }, |
| { 0xE2, 0x07 }, |
| { 0xB0, 0x07 }, |
| { 0xB1, 0x18 }, |
| { 0xB2, 0x19 }, |
| { 0xB3, 0x2E }, |
| { 0xB4, 0x52 }, |
| { 0xB5, 0x72 }, |
| { 0xB6, 0x8C }, |
| { 0xB7, 0xBD }, |
| { 0xB8, 0xEB }, |
| { 0xB9, 0x47 }, |
| { 0xBA, 0x96 }, |
| { 0xBB, 0x1E }, |
| { 0xBC, 0x90 }, |
| { 0xBD, 0x93 }, |
| { 0xBE, 0xFA }, |
| { 0xBF, 0x56 }, |
| { 0xC0, 0x8C }, |
| { 0xC1, 0xB7 }, |
| { 0xC2, 0xCC }, |
| { 0xC3, 0xDF }, |
| { 0xC4, 0xE8 }, |
| { 0xC5, 0xF0 }, |
| { 0xC6, 0xF8 }, |
| { 0xC7, 0xFA }, |
| { 0xC8, 0xFC }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x5A }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x08 }, |
| { 0xB1, 0x04 }, |
| { 0xB2, 0x15 }, |
| { 0xB3, 0x2D }, |
| { 0xB4, 0x51 }, |
| { 0xB5, 0x72 }, |
| { 0xB6, 0x8D }, |
| { 0xB7, 0xBE }, |
| { 0xB8, 0xED }, |
| { 0xB9, 0x4A }, |
| { 0xBA, 0x9A }, |
| { 0xBB, 0x23 }, |
| { 0xBC, 0x95 }, |
| { 0xBD, 0x98 }, |
| { 0xBE, 0xFF }, |
| { 0xBF, 0x59 }, |
| { 0xC0, 0x8E }, |
| { 0xC1, 0xB9 }, |
| { 0xC2, 0xCD }, |
| { 0xC3, 0xDF }, |
| { 0xC4, 0xE8 }, |
| { 0xC5, 0xF0 }, |
| { 0xC6, 0xF8 }, |
| { 0xC7, 0xFA }, |
| { 0xC8, 0xFC }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x5A }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x09 }, |
| { 0xB1, 0x04 }, |
| { 0xB2, 0x2C }, |
| { 0xB3, 0x36 }, |
| { 0xB4, 0x53 }, |
| { 0xB5, 0x73 }, |
| { 0xB6, 0x8E }, |
| { 0xB7, 0xC0 }, |
| { 0xB8, 0xEF }, |
| { 0xB9, 0x4C }, |
| { 0xBA, 0x9D }, |
| { 0xBB, 0x25 }, |
| { 0xBC, 0x96 }, |
| { 0xBD, 0x9A }, |
| { 0xBE, 0x01 }, |
| { 0xBF, 0x59 }, |
| { 0xC0, 0x8E }, |
| { 0xC1, 0xB9 }, |
| { 0xC2, 0xCD }, |
| { 0xC3, 0xDF }, |
| { 0xC4, 0xE8 }, |
| { 0xC5, 0xF0 }, |
| { 0xC6, 0xF8 }, |
| { 0xC7, 0xFA }, |
| { 0xC8, 0xFC }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x5A }, |
| { 0xCC, 0xBF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x0A }, |
| { 0xB1, 0x18 }, |
| { 0xB2, 0x19 }, |
| { 0xB3, 0x2E }, |
| { 0xB4, 0x52 }, |
| { 0xB5, 0x72 }, |
| { 0xB6, 0x8C }, |
| { 0xB7, 0xBD }, |
| { 0xB8, 0xEB }, |
| { 0xB9, 0x47 }, |
| { 0xBA, 0x96 }, |
| { 0xBB, 0x1E }, |
| { 0xBC, 0x90 }, |
| { 0xBD, 0x93 }, |
| { 0xBE, 0xFA }, |
| { 0xBF, 0x56 }, |
| { 0xC0, 0x8C }, |
| { 0xC1, 0xB7 }, |
| { 0xC2, 0xCC }, |
| { 0xC3, 0xDF }, |
| { 0xC4, 0xE8 }, |
| { 0xC5, 0xF0 }, |
| { 0xC6, 0xF8 }, |
| { 0xC7, 0xFA }, |
| { 0xC8, 0xFC }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x5A }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x0B }, |
| { 0xB1, 0x04 }, |
| { 0xB2, 0x15 }, |
| { 0xB3, 0x2D }, |
| { 0xB4, 0x51 }, |
| { 0xB5, 0x72 }, |
| { 0xB6, 0x8D }, |
| { 0xB7, 0xBE }, |
| { 0xB8, 0xED }, |
| { 0xB9, 0x4A }, |
| { 0xBA, 0x9A }, |
| { 0xBB, 0x23 }, |
| { 0xBC, 0x95 }, |
| { 0xBD, 0x98 }, |
| { 0xBE, 0xFF }, |
| { 0xBF, 0x59 }, |
| { 0xC0, 0x8E }, |
| { 0xC1, 0xB9 }, |
| { 0xC2, 0xCD }, |
| { 0xC3, 0xDF }, |
| { 0xC4, 0xE8 }, |
| { 0xC5, 0xF0 }, |
| { 0xC6, 0xF8 }, |
| { 0xC7, 0xFA }, |
| { 0xC8, 0xFC }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x5A }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x0C }, |
| { 0xB1, 0x04 }, |
| { 0xB2, 0x2C }, |
| { 0xB3, 0x36 }, |
| { 0xB4, 0x53 }, |
| { 0xB5, 0x73 }, |
| { 0xB6, 0x8E }, |
| { 0xB7, 0xC0 }, |
| { 0xB8, 0xEF }, |
| { 0xB9, 0x4C }, |
| { 0xBA, 0x9D }, |
| { 0xBB, 0x25 }, |
| { 0xBC, 0x96 }, |
| { 0xBD, 0x9A }, |
| { 0xBE, 0x01 }, |
| { 0xBF, 0x59 }, |
| { 0xC0, 0x8E }, |
| { 0xC1, 0xB9 }, |
| { 0xC2, 0xCD }, |
| { 0xC3, 0xDF }, |
| { 0xC4, 0xE8 }, |
| { 0xC5, 0xF0 }, |
| { 0xC6, 0xF8 }, |
| { 0xC7, 0xFA }, |
| { 0xC8, 0xFC }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x5A }, |
| { 0xCC, 0xBF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x04 }, |
| { 0xB5, 0x02 }, |
| { 0xB6, 0x01 }, |
| }; |
| |
| static const struct panel_desc boe_himax8279d8p_panel_desc = { |
| .display_mode = &default_display_mode, |
| .bpc = 8, |
| .width_mm = 107, |
| .height_mm = 172, |
| .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | |
| MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM, |
| .format = MIPI_DSI_FMT_RGB888, |
| .lanes = 4, |
| .on_cmds = boe_himax8279d8p_on_cmds, |
| .on_cmds_num = 260, |
| }; |
| |
| /* 10 inch */ |
| static const struct panel_cmd boe_himax8279d10p_on_cmds[] = { |
| { 0xB0, 0x05 }, |
| { 0xB1, 0xE5 }, |
| { 0xB3, 0x52 }, |
| { 0xB0, 0x00 }, |
| { 0xB6, 0x03 }, |
| { 0xBA, 0x8B }, |
| { 0xBF, 0x1A }, |
| { 0xC0, 0x0F }, |
| { 0xC2, 0x0C }, |
| { 0xC3, 0x02 }, |
| { 0xC4, 0x0C }, |
| { 0xC5, 0x02 }, |
| { 0xB0, 0x01 }, |
| { 0xE0, 0x26 }, |
| { 0xE1, 0x26 }, |
| { 0xDC, 0x00 }, |
| { 0xDD, 0x00 }, |
| { 0xCC, 0x26 }, |
| { 0xCD, 0x26 }, |
| { 0xC8, 0x00 }, |
| { 0xC9, 0x00 }, |
| { 0xD2, 0x03 }, |
| { 0xD3, 0x03 }, |
| { 0xE6, 0x04 }, |
| { 0xE7, 0x04 }, |
| { 0xC4, 0x09 }, |
| { 0xC5, 0x09 }, |
| { 0xD8, 0x0A }, |
| { 0xD9, 0x0A }, |
| { 0xC2, 0x0B }, |
| { 0xC3, 0x0B }, |
| { 0xD6, 0x0C }, |
| { 0xD7, 0x0C }, |
| { 0xC0, 0x05 }, |
| { 0xC1, 0x05 }, |
| { 0xD4, 0x06 }, |
| { 0xD5, 0x06 }, |
| { 0xCA, 0x07 }, |
| { 0xCB, 0x07 }, |
| { 0xDE, 0x08 }, |
| { 0xDF, 0x08 }, |
| { 0xB0, 0x02 }, |
| { 0xC0, 0x00 }, |
| { 0xC1, 0x0D }, |
| { 0xC2, 0x17 }, |
| { 0xC3, 0x26 }, |
| { 0xC4, 0x31 }, |
| { 0xC5, 0x1C }, |
| { 0xC6, 0x2C }, |
| { 0xC7, 0x33 }, |
| { 0xC8, 0x31 }, |
| { 0xC9, 0x37 }, |
| { 0xCA, 0x37 }, |
| { 0xCB, 0x37 }, |
| { 0xCC, 0x39 }, |
| { 0xCD, 0x2E }, |
| { 0xCE, 0x2F }, |
| { 0xCF, 0x2F }, |
| { 0xD0, 0x07 }, |
| { 0xD2, 0x00 }, |
| { 0xD3, 0x0D }, |
| { 0xD4, 0x17 }, |
| { 0xD5, 0x26 }, |
| { 0xD6, 0x31 }, |
| { 0xD7, 0x3F }, |
| { 0xD8, 0x3F }, |
| { 0xD9, 0x3F }, |
| { 0xDA, 0x3F }, |
| { 0xDB, 0x37 }, |
| { 0xDC, 0x37 }, |
| { 0xDD, 0x37 }, |
| { 0xDE, 0x39 }, |
| { 0xDF, 0x2E }, |
| { 0xE0, 0x2F }, |
| { 0xE1, 0x2F }, |
| { 0xE2, 0x07 }, |
| { 0xB0, 0x03 }, |
| { 0xC8, 0x0B }, |
| { 0xC9, 0x07 }, |
| { 0xC3, 0x00 }, |
| { 0xE7, 0x00 }, |
| { 0xC5, 0x2A }, |
| { 0xDE, 0x2A }, |
| { 0xCA, 0x43 }, |
| { 0xC9, 0x07 }, |
| { 0xE4, 0xC0 }, |
| { 0xE5, 0x0D }, |
| { 0xCB, 0x01 }, |
| { 0xBC, 0x01 }, |
| { 0xB0, 0x06 }, |
| { 0xB8, 0xA5 }, |
| { 0xC0, 0xA5 }, |
| { 0xC7, 0x0F }, |
| { 0xD5, 0x32 }, |
| { 0xB8, 0x00 }, |
| { 0xC0, 0x00 }, |
| { 0xBC, 0x00 }, |
| { 0xB0, 0x07 }, |
| { 0xB1, 0x00 }, |
| { 0xB2, 0x05 }, |
| { 0xB3, 0x10 }, |
| { 0xB4, 0x22 }, |
| { 0xB5, 0x36 }, |
| { 0xB6, 0x4A }, |
| { 0xB7, 0x6C }, |
| { 0xB8, 0x9A }, |
| { 0xB9, 0xD7 }, |
| { 0xBA, 0x17 }, |
| { 0xBB, 0x92 }, |
| { 0xBC, 0x15 }, |
| { 0xBD, 0x18 }, |
| { 0xBE, 0x8C }, |
| { 0xBF, 0x00 }, |
| { 0xC0, 0x3A }, |
| { 0xC1, 0x72 }, |
| { 0xC2, 0x8C }, |
| { 0xC3, 0xA5 }, |
| { 0xC4, 0xB1 }, |
| { 0xC5, 0xBE }, |
| { 0xC6, 0xCA }, |
| { 0xC7, 0xD1 }, |
| { 0xC8, 0xD4 }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x16 }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x08 }, |
| { 0xB1, 0x04 }, |
| { 0xB2, 0x05 }, |
| { 0xB3, 0x11 }, |
| { 0xB4, 0x24 }, |
| { 0xB5, 0x39 }, |
| { 0xB6, 0x4E }, |
| { 0xB7, 0x72 }, |
| { 0xB8, 0xA3 }, |
| { 0xB9, 0xE1 }, |
| { 0xBA, 0x25 }, |
| { 0xBB, 0xA8 }, |
| { 0xBC, 0x2E }, |
| { 0xBD, 0x32 }, |
| { 0xBE, 0xAD }, |
| { 0xBF, 0x28 }, |
| { 0xC0, 0x63 }, |
| { 0xC1, 0x9B }, |
| { 0xC2, 0xB5 }, |
| { 0xC3, 0xCF }, |
| { 0xC4, 0xDB }, |
| { 0xC5, 0xE8 }, |
| { 0xC6, 0xF5 }, |
| { 0xC7, 0xFA }, |
| { 0xC8, 0xFC }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x16 }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x09 }, |
| { 0xB1, 0x04 }, |
| { 0xB2, 0x04 }, |
| { 0xB3, 0x0F }, |
| { 0xB4, 0x22 }, |
| { 0xB5, 0x37 }, |
| { 0xB6, 0x4D }, |
| { 0xB7, 0x71 }, |
| { 0xB8, 0xA2 }, |
| { 0xB9, 0xE1 }, |
| { 0xBA, 0x26 }, |
| { 0xBB, 0xA9 }, |
| { 0xBC, 0x2F }, |
| { 0xBD, 0x33 }, |
| { 0xBE, 0xAC }, |
| { 0xBF, 0x24 }, |
| { 0xC0, 0x5D }, |
| { 0xC1, 0x94 }, |
| { 0xC2, 0xAC }, |
| { 0xC3, 0xC5 }, |
| { 0xC4, 0xD1 }, |
| { 0xC5, 0xDC }, |
| { 0xC6, 0xE8 }, |
| { 0xC7, 0xED }, |
| { 0xC8, 0xF0 }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x16 }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x0A }, |
| { 0xB1, 0x00 }, |
| { 0xB2, 0x05 }, |
| { 0xB3, 0x10 }, |
| { 0xB4, 0x22 }, |
| { 0xB5, 0x36 }, |
| { 0xB6, 0x4A }, |
| { 0xB7, 0x6C }, |
| { 0xB8, 0x9A }, |
| { 0xB9, 0xD7 }, |
| { 0xBA, 0x17 }, |
| { 0xBB, 0x92 }, |
| { 0xBC, 0x15 }, |
| { 0xBD, 0x18 }, |
| { 0xBE, 0x8C }, |
| { 0xBF, 0x00 }, |
| { 0xC0, 0x3A }, |
| { 0xC1, 0x72 }, |
| { 0xC2, 0x8C }, |
| { 0xC3, 0xA5 }, |
| { 0xC4, 0xB1 }, |
| { 0xC5, 0xBE }, |
| { 0xC6, 0xCA }, |
| { 0xC7, 0xD1 }, |
| { 0xC8, 0xD4 }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x16 }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x0B }, |
| { 0xB1, 0x04 }, |
| { 0xB2, 0x05 }, |
| { 0xB3, 0x11 }, |
| { 0xB4, 0x24 }, |
| { 0xB5, 0x39 }, |
| { 0xB6, 0x4E }, |
| { 0xB7, 0x72 }, |
| { 0xB8, 0xA3 }, |
| { 0xB9, 0xE1 }, |
| { 0xBA, 0x25 }, |
| { 0xBB, 0xA8 }, |
| { 0xBC, 0x2E }, |
| { 0xBD, 0x32 }, |
| { 0xBE, 0xAD }, |
| { 0xBF, 0x28 }, |
| { 0xC0, 0x63 }, |
| { 0xC1, 0x9B }, |
| { 0xC2, 0xB5 }, |
| { 0xC3, 0xCF }, |
| { 0xC4, 0xDB }, |
| { 0xC5, 0xE8 }, |
| { 0xC6, 0xF5 }, |
| { 0xC7, 0xFA }, |
| { 0xC8, 0xFC }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x16 }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| { 0xB0, 0x0C }, |
| { 0xB1, 0x04 }, |
| { 0xB2, 0x04 }, |
| { 0xB3, 0x0F }, |
| { 0xB4, 0x22 }, |
| { 0xB5, 0x37 }, |
| { 0xB6, 0x4D }, |
| { 0xB7, 0x71 }, |
| { 0xB8, 0xA2 }, |
| { 0xB9, 0xE1 }, |
| { 0xBA, 0x26 }, |
| { 0xBB, 0xA9 }, |
| { 0xBC, 0x2F }, |
| { 0xBD, 0x33 }, |
| { 0xBE, 0xAC }, |
| { 0xBF, 0x24 }, |
| { 0xC0, 0x5D }, |
| { 0xC1, 0x94 }, |
| { 0xC2, 0xAC }, |
| { 0xC3, 0xC5 }, |
| { 0xC4, 0xD1 }, |
| { 0xC5, 0xDC }, |
| { 0xC6, 0xE8 }, |
| { 0xC7, 0xED }, |
| { 0xC8, 0xF0 }, |
| { 0xC9, 0x00 }, |
| { 0xCA, 0x00 }, |
| { 0xCB, 0x16 }, |
| { 0xCC, 0xAF }, |
| { 0xCD, 0xFF }, |
| { 0xCE, 0xFF }, |
| }; |
| |
| static const struct panel_desc boe_himax8279d10p_panel_desc = { |
| .display_mode = &default_display_mode, |
| .bpc = 8, |
| .width_mm = 135, |
| .height_mm = 216, |
| .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | |
| MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM, |
| .format = MIPI_DSI_FMT_RGB888, |
| .lanes = 4, |
| .on_cmds = boe_himax8279d10p_on_cmds, |
| .on_cmds_num = 283, |
| }; |
| |
| static const struct of_device_id panel_of_match[] = { |
| { |
| .compatible = "boe,himax8279d8p", |
| .data = &boe_himax8279d8p_panel_desc, |
| }, |
| { |
| .compatible = "boe,himax8279d10p", |
| .data = &boe_himax8279d10p_panel_desc, |
| }, |
| { |
| /* sentinel */ |
| } |
| }; |
| MODULE_DEVICE_TABLE(of, panel_of_match); |
| |
| static int panel_add(struct panel_info *pinfo) |
| { |
| struct device *dev = &pinfo->link->dev; |
| int ret; |
| |
| pinfo->pp18_gpio = devm_gpiod_get(dev, "pp18", GPIOD_OUT_HIGH); |
| if (IS_ERR(pinfo->pp18_gpio)) { |
| ret = PTR_ERR(pinfo->pp18_gpio); |
| if (ret != -EPROBE_DEFER) |
| dev_err(dev, "failed to get pp18 gpio: %d\n", ret); |
| return ret; |
| } |
| |
| pinfo->pp33_gpio = devm_gpiod_get(dev, "pp33", GPIOD_OUT_HIGH); |
| if (IS_ERR(pinfo->pp33_gpio)) { |
| ret = PTR_ERR(pinfo->pp33_gpio); |
| if (ret != -EPROBE_DEFER) |
| dev_err(dev, "failed to get pp33 gpio: %d\n", ret); |
| return ret; |
| } |
| |
| pinfo->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); |
| if (IS_ERR(pinfo->enable_gpio)) { |
| ret = PTR_ERR(pinfo->enable_gpio); |
| if (ret != -EPROBE_DEFER) |
| dev_err(dev, "failed to get enable gpio: %d\n", ret); |
| return ret; |
| } |
| |
| drm_panel_init(&pinfo->base, dev, &panel_funcs, |
| DRM_MODE_CONNECTOR_DSI); |
| |
| ret = drm_panel_of_backlight(&pinfo->base); |
| if (ret) |
| return ret; |
| |
| drm_panel_add(&pinfo->base); |
| |
| return 0; |
| } |
| |
| static int panel_probe(struct mipi_dsi_device *dsi) |
| { |
| struct panel_info *pinfo; |
| const struct panel_desc *desc; |
| int err; |
| |
| pinfo = devm_kzalloc(&dsi->dev, sizeof(*pinfo), GFP_KERNEL); |
| if (!pinfo) |
| return -ENOMEM; |
| |
| desc = of_device_get_match_data(&dsi->dev); |
| dsi->mode_flags = desc->mode_flags; |
| dsi->format = desc->format; |
| dsi->lanes = desc->lanes; |
| pinfo->desc = desc; |
| |
| pinfo->link = dsi; |
| mipi_dsi_set_drvdata(dsi, pinfo); |
| |
| err = panel_add(pinfo); |
| if (err < 0) |
| return err; |
| |
| err = mipi_dsi_attach(dsi); |
| if (err < 0) |
| drm_panel_remove(&pinfo->base); |
| |
| return err; |
| } |
| |
| static int panel_remove(struct mipi_dsi_device *dsi) |
| { |
| struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi); |
| int err; |
| |
| err = boe_panel_disable(&pinfo->base); |
| if (err < 0) |
| dev_err(&dsi->dev, "failed to disable panel: %d\n", err); |
| |
| err = boe_panel_unprepare(&pinfo->base); |
| if (err < 0) |
| dev_err(&dsi->dev, "failed to unprepare panel: %d\n", err); |
| |
| err = mipi_dsi_detach(dsi); |
| if (err < 0) |
| dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err); |
| |
| drm_panel_remove(&pinfo->base); |
| |
| return 0; |
| } |
| |
| static void panel_shutdown(struct mipi_dsi_device *dsi) |
| { |
| struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi); |
| |
| boe_panel_disable(&pinfo->base); |
| boe_panel_unprepare(&pinfo->base); |
| } |
| |
| static struct mipi_dsi_driver panel_driver = { |
| .driver = { |
| .name = "panel-boe-himax8279d", |
| .of_match_table = panel_of_match, |
| }, |
| .probe = panel_probe, |
| .remove = panel_remove, |
| .shutdown = panel_shutdown, |
| }; |
| module_mipi_dsi_driver(panel_driver); |
| |
| MODULE_AUTHOR("Jerry Han <jerry.han.hq@gmail.com>"); |
| MODULE_DESCRIPTION("Boe Himax8279d driver"); |
| MODULE_LICENSE("GPL v2"); |
