[PATCH v7 2/8] drm/panel: support for BOE tv101wum-nl6 wuxga dsi video mode panel

Add driver for BOE tv101wum-nl6 panel is a 10.1" 1200x1920 panel.

Signed-off-by: Jitao Shi jitao.shi@mediatek.com Reviewed-by: Sam Ravnborg sam@ravnborg.org --- drivers/gpu/drm/panel/Kconfig | 9 + drivers/gpu/drm/panel/Makefile | 1 + .../gpu/drm/panel/panel-boe-tv101wum-nl6.c | 713 ++++++++++++++++++ 3 files changed, 723 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index d9d931aa6e26..afcadb3585fb 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -18,6 +18,15 @@ config DRM_PANEL_ARM_VERSATILE reference designs. The panel is detected using special registers in the Versatile family syscon registers.

+config DRM_PANEL_BOE_TV101WUM_NL6 + tristate "BOE TV101WUM 1200x1920 panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to support for BOE TV101WUM WUXGA PANEL + DSI Video Mode panel + config DRM_PANEL_LVDS tristate "Generic LVDS panel driver" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index fb0cb3aaa9e6..bd26b6ac039e 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o +obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c new file mode 100644 index 000000000000..af68236ea0e8 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c @@ -0,0 +1,713 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Jitao Shi jitao.shi@mediatek.com + */ + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/regulator/consumer.h> + +#include <drm/drm_crtc.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_panel.h> + +#include <video/mipi_display.h> + +struct panel_desc { + const struct drm_display_mode *modes; + unsigned int bpc; + + /** + * @width_mm: width of the panel's active display area + * @height_mm: height of the panel's active display area + */ + struct { + unsigned int width_mm; + unsigned int height_mm; + } size; + + unsigned long mode_flags; + enum mipi_dsi_pixel_format format; + const struct panel_init_cmd *init_cmds; + unsigned int lanes; +}; + +struct boe_panel { + struct drm_panel base; + struct mipi_dsi_device *dsi; + + const struct panel_desc *desc; + + struct backlight_device *backlight; + struct regulator *pp1800; + struct regulator *avee; + struct regulator *avdd; + struct gpio_desc *enable_gpio; + + bool prepared; + bool enabled; + + const struct drm_display_mode *mode; +}; + +enum dsi_cmd_type { + INIT_DCS_CMD, + DELAY_CMD, +}; + +struct panel_init_cmd { + enum dsi_cmd_type type; + size_t len; + const char *data; +}; + +#define _INIT_DCS_CMD(...) { \ + .type = INIT_DCS_CMD, \ + .len = sizeof((char[]){__VA_ARGS__}), \ + .data = (char[]){__VA_ARGS__} } + +#define _INIT_DELAY_CMD(...) { \ + .type = DELAY_CMD,\ + .len = sizeof((char[]){__VA_ARGS__}), \ + .data = (char[]){__VA_ARGS__} } + +static const struct panel_init_cmd boe_init_cmd[] = { + _INIT_DELAY_CMD(24), + _INIT_DCS_CMD(0xB0, 0x05), + _INIT_DCS_CMD(0xB1, 0xE5), + _INIT_DCS_CMD(0xB3, 0x52), + _INIT_DCS_CMD(0xB0, 0x00), + _INIT_DCS_CMD(0xB3, 0x88), + _INIT_DCS_CMD(0xB0, 0x04), + _INIT_DCS_CMD(0xB8, 0x00), + _INIT_DCS_CMD(0xB0, 0x00), + _INIT_DCS_CMD(0xB6, 0x03), + _INIT_DCS_CMD(0xBA, 0x8B), + _INIT_DCS_CMD(0xBF, 0x1A), + _INIT_DCS_CMD(0xC0, 0x0F), + _INIT_DCS_CMD(0xC2, 0x0C), + _INIT_DCS_CMD(0xC3, 0x02), + _INIT_DCS_CMD(0xC4, 0x0C), + _INIT_DCS_CMD(0xC5, 0x02), + _INIT_DCS_CMD(0xB0, 0x01), + _INIT_DCS_CMD(0xE0, 0x26), + _INIT_DCS_CMD(0xE1, 0x26), + _INIT_DCS_CMD(0xDC, 0x00), + _INIT_DCS_CMD(0xDD, 0x00), + _INIT_DCS_CMD(0xCC, 0x26), + _INIT_DCS_CMD(0xCD, 0x26), + _INIT_DCS_CMD(0xC8, 0x00), + _INIT_DCS_CMD(0xC9, 0x00), + _INIT_DCS_CMD(0xD2, 0x03), + _INIT_DCS_CMD(0xD3, 0x03), + _INIT_DCS_CMD(0xE6, 0x04), + _INIT_DCS_CMD(0xE7, 0x04), + _INIT_DCS_CMD(0xC4, 0x09), + _INIT_DCS_CMD(0xC5, 0x09), + _INIT_DCS_CMD(0xD8, 0x0A), + _INIT_DCS_CMD(0xD9, 0x0A), + _INIT_DCS_CMD(0xC2, 0x0B), + _INIT_DCS_CMD(0xC3, 0x0B), + _INIT_DCS_CMD(0xD6, 0x0C), + _INIT_DCS_CMD(0xD7, 0x0C), + _INIT_DCS_CMD(0xC0, 0x05), + _INIT_DCS_CMD(0xC1, 0x05), + _INIT_DCS_CMD(0xD4, 0x06), + _INIT_DCS_CMD(0xD5, 0x06), + _INIT_DCS_CMD(0xCA, 0x07), + _INIT_DCS_CMD(0xCB, 0x07), + _INIT_DCS_CMD(0xDE, 0x08), + _INIT_DCS_CMD(0xDF, 0x08), + _INIT_DCS_CMD(0xB0, 0x02), + _INIT_DCS_CMD(0xC0, 0x00), + _INIT_DCS_CMD(0xC1, 0x0D), + _INIT_DCS_CMD(0xC2, 0x17), + _INIT_DCS_CMD(0xC3, 0x26), + _INIT_DCS_CMD(0xC4, 0x31), + _INIT_DCS_CMD(0xC5, 0x1C), + _INIT_DCS_CMD(0xC6, 0x2C), + _INIT_DCS_CMD(0xC7, 0x33), + _INIT_DCS_CMD(0xC8, 0x31), + _INIT_DCS_CMD(0xC9, 0x37), + _INIT_DCS_CMD(0xCA, 0x37), + _INIT_DCS_CMD(0xCB, 0x37), + _INIT_DCS_CMD(0xCC, 0x39), + _INIT_DCS_CMD(0xCD, 0x2E), + _INIT_DCS_CMD(0xCE, 0x2F), + _INIT_DCS_CMD(0xCF, 0x2F), + _INIT_DCS_CMD(0xD0, 0x07), + _INIT_DCS_CMD(0xD2, 0x00), + _INIT_DCS_CMD(0xD3, 0x0D), + _INIT_DCS_CMD(0xD4, 0x17), + _INIT_DCS_CMD(0xD5, 0x26), + _INIT_DCS_CMD(0xD6, 0x31), + _INIT_DCS_CMD(0xD7, 0x3F), + _INIT_DCS_CMD(0xD8, 0x3F), + _INIT_DCS_CMD(0xD9, 0x3F), + _INIT_DCS_CMD(0xDA, 0x3F), + _INIT_DCS_CMD(0xDB, 0x37), + _INIT_DCS_CMD(0xDC, 0x37), + _INIT_DCS_CMD(0xDD, 0x37), + _INIT_DCS_CMD(0xDE, 0x39), + _INIT_DCS_CMD(0xDF, 0x2E), + _INIT_DCS_CMD(0xE0, 0x2F), + _INIT_DCS_CMD(0xE1, 0x2F), + _INIT_DCS_CMD(0xE2, 0x07), + _INIT_DCS_CMD(0xB0, 0x03), + _INIT_DCS_CMD(0xC8, 0x0B), + _INIT_DCS_CMD(0xC9, 0x07), + _INIT_DCS_CMD(0xC3, 0x00), + _INIT_DCS_CMD(0xE7, 0x00), + _INIT_DCS_CMD(0xC5, 0x2A), + _INIT_DCS_CMD(0xDE, 0x2A), + _INIT_DCS_CMD(0xCA, 0x43), + _INIT_DCS_CMD(0xC9, 0x07), + _INIT_DCS_CMD(0xE4, 0xC0), + _INIT_DCS_CMD(0xE5, 0x0D), + _INIT_DCS_CMD(0xCB, 0x00), + _INIT_DCS_CMD(0xB0, 0x06), + _INIT_DCS_CMD(0xB8, 0xA5), + _INIT_DCS_CMD(0xC0, 0xA5), + _INIT_DCS_CMD(0xC7, 0x0F), + _INIT_DCS_CMD(0xD5, 0x32), + _INIT_DCS_CMD(0xB8, 0x00), + _INIT_DCS_CMD(0xC0, 0x00), + _INIT_DCS_CMD(0xBC, 0x00), + _INIT_DCS_CMD(0xB0, 0x07), + _INIT_DCS_CMD(0xB1, 0x00), + _INIT_DCS_CMD(0xB2, 0x02), + _INIT_DCS_CMD(0xB3, 0x0F), + _INIT_DCS_CMD(0xB4, 0x25), + _INIT_DCS_CMD(0xB5, 0x39), + _INIT_DCS_CMD(0xB6, 0x4E), + _INIT_DCS_CMD(0xB7, 0x72), + _INIT_DCS_CMD(0xB8, 0x97), + _INIT_DCS_CMD(0xB9, 0xDC), + _INIT_DCS_CMD(0xBA, 0x22), + _INIT_DCS_CMD(0xBB, 0xA4), + _INIT_DCS_CMD(0xBC, 0x2B), + _INIT_DCS_CMD(0xBD, 0x2F), + _INIT_DCS_CMD(0xBE, 0xA9), + _INIT_DCS_CMD(0xBF, 0x25), + _INIT_DCS_CMD(0xC0, 0x61), + _INIT_DCS_CMD(0xC1, 0x97), + _INIT_DCS_CMD(0xC2, 0xB2), + _INIT_DCS_CMD(0xC3, 0xCD), + _INIT_DCS_CMD(0xC4, 0xD9), + _INIT_DCS_CMD(0xC5, 0xE7), + _INIT_DCS_CMD(0xC6, 0xF4), + _INIT_DCS_CMD(0xC7, 0xFA), + _INIT_DCS_CMD(0xC8, 0xFC), + _INIT_DCS_CMD(0xC9, 0x00), + _INIT_DCS_CMD(0xCA, 0x00), + _INIT_DCS_CMD(0xCB, 0x16), + _INIT_DCS_CMD(0xCC, 0xAF), + _INIT_DCS_CMD(0xCD, 0xFF), + _INIT_DCS_CMD(0xCE, 0xFF), + _INIT_DCS_CMD(0xB0, 0x08), + _INIT_DCS_CMD(0xB1, 0x04), + _INIT_DCS_CMD(0xB2, 0x05), + _INIT_DCS_CMD(0xB3, 0x11), + _INIT_DCS_CMD(0xB4, 0x24), + _INIT_DCS_CMD(0xB5, 0x39), + _INIT_DCS_CMD(0xB6, 0x4F), + _INIT_DCS_CMD(0xB7, 0x72), + _INIT_DCS_CMD(0xB8, 0x98), + _INIT_DCS_CMD(0xB9, 0xDC), + _INIT_DCS_CMD(0xBA, 0x23), + _INIT_DCS_CMD(0xBB, 0xA6), + _INIT_DCS_CMD(0xBC, 0x2C), + _INIT_DCS_CMD(0xBD, 0x30), + _INIT_DCS_CMD(0xBE, 0xAA), + _INIT_DCS_CMD(0xBF, 0x26), + _INIT_DCS_CMD(0xC0, 0x62), + _INIT_DCS_CMD(0xC1, 0x9B), + _INIT_DCS_CMD(0xC2, 0xB5), + _INIT_DCS_CMD(0xC3, 0xCF), + _INIT_DCS_CMD(0xC4, 0xDB), + _INIT_DCS_CMD(0xC5, 0xE8), + _INIT_DCS_CMD(0xC6, 0xF5), + _INIT_DCS_CMD(0xC7, 0xFA), + _INIT_DCS_CMD(0xC8, 0xFC), + _INIT_DCS_CMD(0xC9, 0x00), + _INIT_DCS_CMD(0xCA, 0x00), + _INIT_DCS_CMD(0xCB, 0x16), + _INIT_DCS_CMD(0xCC, 0xAF), + _INIT_DCS_CMD(0xCD, 0xFF), + _INIT_DCS_CMD(0xCE, 0xFF), + _INIT_DCS_CMD(0xB0, 0x09), + _INIT_DCS_CMD(0xB1, 0x04), + _INIT_DCS_CMD(0xB2, 0x02), + _INIT_DCS_CMD(0xB3, 0x16), + _INIT_DCS_CMD(0xB4, 0x24), + _INIT_DCS_CMD(0xB5, 0x3B), + _INIT_DCS_CMD(0xB6, 0x4F), + _INIT_DCS_CMD(0xB7, 0x73), + _INIT_DCS_CMD(0xB8, 0x99), + _INIT_DCS_CMD(0xB9, 0xE0), + _INIT_DCS_CMD(0xBA, 0x26), + _INIT_DCS_CMD(0xBB, 0xAD), + _INIT_DCS_CMD(0xBC, 0x36), + _INIT_DCS_CMD(0xBD, 0x3A), + _INIT_DCS_CMD(0xBE, 0xAE), + _INIT_DCS_CMD(0xBF, 0x2A), + _INIT_DCS_CMD(0xC0, 0x66), + _INIT_DCS_CMD(0xC1, 0x9E), + _INIT_DCS_CMD(0xC2, 0xB8), + _INIT_DCS_CMD(0xC3, 0xD1), + _INIT_DCS_CMD(0xC4, 0xDD), + _INIT_DCS_CMD(0xC5, 0xE9), + _INIT_DCS_CMD(0xC6, 0xF6), + _INIT_DCS_CMD(0xC7, 0xFA), + _INIT_DCS_CMD(0xC8, 0xFC), + _INIT_DCS_CMD(0xC9, 0x00), + _INIT_DCS_CMD(0xCA, 0x00), + _INIT_DCS_CMD(0xCB, 0x16), + _INIT_DCS_CMD(0xCC, 0xAF), + _INIT_DCS_CMD(0xCD, 0xFF), + _INIT_DCS_CMD(0xCE, 0xFF), + _INIT_DCS_CMD(0xB0, 0x0A), + _INIT_DCS_CMD(0xB1, 0x00), + _INIT_DCS_CMD(0xB2, 0x02), + _INIT_DCS_CMD(0xB3, 0x0F), + _INIT_DCS_CMD(0xB4, 0x25), + _INIT_DCS_CMD(0xB5, 0x39), + _INIT_DCS_CMD(0xB6, 0x4E), + _INIT_DCS_CMD(0xB7, 0x72), + _INIT_DCS_CMD(0xB8, 0x97), + _INIT_DCS_CMD(0xB9, 0xDC), + _INIT_DCS_CMD(0xBA, 0x22), + _INIT_DCS_CMD(0xBB, 0xA4), + _INIT_DCS_CMD(0xBC, 0x2B), + _INIT_DCS_CMD(0xBD, 0x2F), + _INIT_DCS_CMD(0xBE, 0xA9), + _INIT_DCS_CMD(0xBF, 0x25), + _INIT_DCS_CMD(0xC0, 0x61), + _INIT_DCS_CMD(0xC1, 0x97), + _INIT_DCS_CMD(0xC2, 0xB2), + _INIT_DCS_CMD(0xC3, 0xCD), + _INIT_DCS_CMD(0xC4, 0xD9), + _INIT_DCS_CMD(0xC5, 0xE7), + _INIT_DCS_CMD(0xC6, 0xF4), + _INIT_DCS_CMD(0xC7, 0xFA), + _INIT_DCS_CMD(0xC8, 0xFC), + _INIT_DCS_CMD(0xC9, 0x00), + _INIT_DCS_CMD(0xCA, 0x00), + _INIT_DCS_CMD(0xCB, 0x16), + _INIT_DCS_CMD(0xCC, 0xAF), + _INIT_DCS_CMD(0xCD, 0xFF), + _INIT_DCS_CMD(0xCE, 0xFF), + _INIT_DCS_CMD(0xB0, 0x0B), + _INIT_DCS_CMD(0xB1, 0x04), + _INIT_DCS_CMD(0xB2, 0x05), + _INIT_DCS_CMD(0xB3, 0x11), + _INIT_DCS_CMD(0xB4, 0x24), + _INIT_DCS_CMD(0xB5, 0x39), + _INIT_DCS_CMD(0xB6, 0x4F), + _INIT_DCS_CMD(0xB7, 0x72), + _INIT_DCS_CMD(0xB8, 0x98), + _INIT_DCS_CMD(0xB9, 0xDC), + _INIT_DCS_CMD(0xBA, 0x23), + _INIT_DCS_CMD(0xBB, 0xA6), + _INIT_DCS_CMD(0xBC, 0x2C), + _INIT_DCS_CMD(0xBD, 0x30), + _INIT_DCS_CMD(0xBE, 0xAA), + _INIT_DCS_CMD(0xBF, 0x26), + _INIT_DCS_CMD(0xC0, 0x62), + _INIT_DCS_CMD(0xC1, 0x9B), + _INIT_DCS_CMD(0xC2, 0xB5), + _INIT_DCS_CMD(0xC3, 0xCF), + _INIT_DCS_CMD(0xC4, 0xDB), + _INIT_DCS_CMD(0xC5, 0xE8), + _INIT_DCS_CMD(0xC6, 0xF5), + _INIT_DCS_CMD(0xC7, 0xFA), + _INIT_DCS_CMD(0xC8, 0xFC), + _INIT_DCS_CMD(0xC9, 0x00), + _INIT_DCS_CMD(0xCA, 0x00), + _INIT_DCS_CMD(0xCB, 0x16), + _INIT_DCS_CMD(0xCC, 0xAF), + _INIT_DCS_CMD(0xCD, 0xFF), + _INIT_DCS_CMD(0xCE, 0xFF), + _INIT_DCS_CMD(0xB0, 0x0C), + _INIT_DCS_CMD(0xB1, 0x04), + _INIT_DCS_CMD(0xB2, 0x02), + _INIT_DCS_CMD(0xB3, 0x16), + _INIT_DCS_CMD(0xB4, 0x24), + _INIT_DCS_CMD(0xB5, 0x3B), + _INIT_DCS_CMD(0xB6, 0x4F), + _INIT_DCS_CMD(0xB7, 0x73), + _INIT_DCS_CMD(0xB8, 0x99), + _INIT_DCS_CMD(0xB9, 0xE0), + _INIT_DCS_CMD(0xBA, 0x26), + _INIT_DCS_CMD(0xBB, 0xAD), + _INIT_DCS_CMD(0xBC, 0x36), + _INIT_DCS_CMD(0xBD, 0x3A), + _INIT_DCS_CMD(0xBE, 0xAE), + _INIT_DCS_CMD(0xBF, 0x2A), + _INIT_DCS_CMD(0xC0, 0x66), + _INIT_DCS_CMD(0xC1, 0x9E), + _INIT_DCS_CMD(0xC2, 0xB8), + _INIT_DCS_CMD(0xC3, 0xD1), + _INIT_DCS_CMD(0xC4, 0xDD), + _INIT_DCS_CMD(0xC5, 0xE9), + _INIT_DCS_CMD(0xC6, 0xF6), + _INIT_DCS_CMD(0xC7, 0xFA), + _INIT_DCS_CMD(0xC8, 0xFC), + _INIT_DCS_CMD(0xC9, 0x00), + _INIT_DCS_CMD(0xCA, 0x00), + _INIT_DCS_CMD(0xCB, 0x16), + _INIT_DCS_CMD(0xCC, 0xAF), + _INIT_DCS_CMD(0xCD, 0xFF), + _INIT_DCS_CMD(0xCE, 0xFF), + _INIT_DCS_CMD(0xB0, 0x00), + _INIT_DCS_CMD(0xB3, 0x08), + _INIT_DCS_CMD(0xB0, 0x04), + _INIT_DCS_CMD(0xB8, 0x68), + _INIT_DELAY_CMD(150), + {}, +}; + +static inline struct boe_panel *to_boe_panel(struct drm_panel *panel) +{ + return container_of(panel, struct boe_panel, base); +} + +static int boe_panel_init(struct boe_panel *boe) +{ + struct mipi_dsi_device *dsi = boe->dsi; + struct drm_panel *panel = &boe->base; + int i, err = 0; + + if (boe->desc->init_cmds) { + const struct panel_init_cmd *init_cmds = boe->desc->init_cmds; + + for (i = 0; init_cmds[i].len != 0; i++) { + const struct panel_init_cmd *cmd = &init_cmds[i]; + + switch (cmd->type) { + case DELAY_CMD: + msleep(cmd->data[0]); + err = 0; + break; + + case INIT_DCS_CMD: + err = mipi_dsi_dcs_write(dsi, cmd->data[0], + cmd->len <= 1 ? NULL : + &cmd->data[1], + cmd->len - 1); + break; + + default: + err = -EINVAL; + } + + if (err < 0) { + dev_err(panel->dev, + "failed to write command %u\n", i); + return err; + } + } + } + return 0; +} + +static int boe_panel_off(struct boe_panel *boe) +{ + struct mipi_dsi_device *dsi = boe->dsi; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) + return ret; + + return 0; +} + +static int boe_panel_disable(struct drm_panel *panel) +{ + struct boe_panel *boe = to_boe_panel(panel); + + if (!boe->enabled) + return 0; + + backlight_disable(boe->backlight); + + boe->enabled = false; + + return 0; +} + +static int boe_panel_unprepare(struct drm_panel *panel) +{ + struct boe_panel *boe = to_boe_panel(panel); + int ret; + + if (!boe->prepared) + return 0; + + ret = boe_panel_off(boe); + if (ret < 0) { + dev_err(panel->dev, "failed to set panel off: %d\n", ret); + return ret; + } + + msleep(150); + gpiod_set_value(boe->enable_gpio, 0); + usleep_range(500, 1000); + regulator_disable(boe->avee); + regulator_disable(boe->avdd); + usleep_range(5000, 7000); + regulator_disable(boe->pp1800); + + boe->prepared = false; + + return 0; +} + +static int boe_panel_prepare(struct drm_panel *panel) +{ + struct boe_panel *boe = to_boe_panel(panel); + int ret; + + if (boe->prepared) + return 0; + + gpiod_set_value(boe->enable_gpio, 0); + usleep_range(1000, 1500); + + ret = regulator_enable(boe->pp1800); + if (ret < 0) + return ret; + + usleep_range(3000, 5000); + + ret = regulator_enable(boe->avdd); + if (ret < 0) + goto poweroff1v8; + ret = regulator_enable(boe->avee); + if (ret < 0) + goto poweroffavdd; + + msleep(100); + + gpiod_set_value(boe->enable_gpio, 1); + usleep_range(10000, 12000); + + ret = boe_panel_init(boe); + if (ret < 0) { + dev_err(panel->dev, "failed to init panel: %d\n", ret); + goto poweroff; + } + + boe->prepared = true; + + return 0; + +poweroff: + regulator_disable(boe->avee); +poweroffavdd: + regulator_disable(boe->avdd); +poweroff1v8: + usleep_range(5000, 7000); + regulator_disable(boe->pp1800); + gpiod_set_value(boe->enable_gpio, 0); + + return ret; +} + +static int boe_panel_enable(struct drm_panel *panel) +{ + struct boe_panel *boe = to_boe_panel(panel); + int ret; + + if (boe->enabled) + return 0; + + ret = backlight_enable(boe->backlight); + if (ret) { + dev_err(panel->dev, "Failed to enable backlight %d\n", + ret); + return ret; + } + + boe->enabled = true; + + return 0; +} + +static const struct drm_display_mode boe_tv101wum_nl6_default_mode = { + .clock = 159425, + .hdisplay = 1200, + .hsync_start = 1200 + 100, + .hsync_end = 1200 + 100 + 40, + .htotal = 1200 + 100 + 40 + 24, + .vdisplay = 1920, + .vsync_start = 1920 + 10, + .vsync_end = 1920 + 10 + 14, + .vtotal = 1920 + 10 + 14 + 4, + .vrefresh = 60, +}; + +static const struct panel_desc boe_tv101wum_nl6_desc = { + .modes = &boe_tv101wum_nl6_default_mode, + .bpc = 8, + .size = { + .width_mm = 135, + .height_mm = 216, + }, + .lanes = 4, + .format = MIPI_DSI_FMT_RGB888, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | + MIPI_DSI_MODE_LPM, + .init_cmds = boe_init_cmd, +}; + +static int boe_panel_get_modes(struct drm_panel *panel) +{ + struct boe_panel *boe = to_boe_panel(panel); + const struct drm_display_mode *m = boe->desc->modes; + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(panel->drm, m); + if (!mode) { + dev_err(panel->dev, "failed to add mode %ux%u@%u\n", + m->hdisplay, m->vdisplay, m->vrefresh); + return -ENOMEM; + } + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + drm_mode_set_name(mode); + drm_mode_probed_add(panel->connector, mode); + + panel->connector->display_info.width_mm = boe->desc->size.width_mm; + panel->connector->display_info.height_mm = boe->desc->size.height_mm; + panel->connector->display_info.bpc = boe->desc->bpc; + + return 1; +} + +static const struct drm_panel_funcs boe_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 int boe_panel_add(struct boe_panel *boe) +{ + struct device *dev = &boe->dsi->dev; + + boe->avdd = devm_regulator_get(dev, "avdd"); + if (IS_ERR(boe->avdd)) + return PTR_ERR(boe->avdd); + + boe->avee = devm_regulator_get(dev, "avee"); + if (IS_ERR(boe->avee)) + return PTR_ERR(boe->avee); + + boe->pp1800 = devm_regulator_get(dev, "pp1800"); + if (IS_ERR(boe->pp1800)) + return PTR_ERR(boe->pp1800); + + boe->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); + if (IS_ERR(boe->enable_gpio)) { + dev_err(dev, "cannot get reset-gpios %ld\n", + PTR_ERR(boe->enable_gpio)); + return PTR_ERR(boe->enable_gpio); + } + + gpiod_set_value(boe->enable_gpio, 0); + + boe->backlight = devm_of_find_backlight(dev); + if (IS_ERR(boe->backlight)) + return PTR_ERR(boe->backlight); + + drm_panel_init(&boe->base); + + boe->base.funcs = &boe_panel_funcs; + boe->base.dev = &boe->dsi->dev; + + return drm_panel_add(&boe->base); +} + +static int boe_panel_probe(struct mipi_dsi_device *dsi) +{ + struct boe_panel *boe; + int ret; + const struct panel_desc *desc; + + boe = devm_kzalloc(&dsi->dev, sizeof(*boe), GFP_KERNEL); + if (!boe) + return -ENOMEM; + + desc = of_device_get_match_data(&dsi->dev); + dsi->lanes = desc->lanes; + dsi->format = desc->format; + dsi->mode_flags = desc->mode_flags; + boe->desc = desc; + boe->dsi = dsi; + ret = boe_panel_add(boe); + if (ret < 0) + return ret; + + mipi_dsi_set_drvdata(dsi, boe); + + return mipi_dsi_attach(dsi); +} + +static int boe_panel_remove(struct mipi_dsi_device *dsi) +{ + struct boe_panel *boe = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = boe_panel_disable(&boe->base); + if (ret < 0) + dev_err(&dsi->dev, "failed to disable panel: %d\n", ret); + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret); + + if (boe->base.dev) + drm_panel_remove(&boe->base); + + return 0; +} + +static void boe_panel_shutdown(struct mipi_dsi_device *dsi) +{ + struct boe_panel *boe = mipi_dsi_get_drvdata(dsi); + + boe_panel_disable(&boe->base); +} + +static const struct of_device_id boe_of_match[] = { + { .compatible = "boe,tv101wum-nl6", + .data = &boe_tv101wum_nl6_desc + }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, boe_of_match); + +static struct mipi_dsi_driver boe_panel_driver = { + .driver = { + .name = "panel-boe-tv101wum-nl6", + .of_match_table = boe_of_match, + }, + .probe = boe_panel_probe, + .remove = boe_panel_remove, + .shutdown = boe_panel_shutdown, +}; +module_mipi_dsi_driver(boe_panel_driver); + +MODULE_AUTHOR("Jitao Shi jitao.shi@mediatek.com"); +MODULE_DESCRIPTION("BOE tv101wum-nl6 1200x1920 video mode panel driver"); +MODULE_LICENSE("GPL v2");