diff options
Diffstat (limited to 'drivers/gpu/drm/panel')
| -rw-r--r-- | drivers/gpu/drm/panel/Kconfig | 44 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/Makefile | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 854 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-elida-kd35t133.c | 352 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c | 526 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-ilitek-ili9322.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-lg-lg4573.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-novatek-nt35510.c | 1098 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-samsung-ld9040.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c | 293 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 321 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-sony-acx424akp.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-tpo-td028ttec1.c | 17 |
13 files changed, 3483 insertions, 53 deletions
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index ae44ac2ec106..a1723c1b5fbf 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -29,6 +29,15 @@ config DRM_PANEL_BOE_HIMAX8279D 24 bit RGB per pixel. It provides a MIPI DSI interface to the host and has a built-in LED backlight. +config DRM_PANEL_BOE_TV101WUM_NL6 + tristate "BOE TV101WUM and AUO KD101N80 45NA 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 and AUO KD101N80 + 45NA WUXGA PANEL DSI Video Mode panel + config DRM_PANEL_LVDS tristate "Generic LVDS panel driver" depends on OF @@ -50,6 +59,25 @@ config DRM_PANEL_SIMPLE that it can be automatically turned off when the panel goes into a low power state. +config DRM_PANEL_ELIDA_KD35T133 + tristate "Elida KD35T133 panel driver" + 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 Elida + KD35T133 controller for 320x480 LCD panels with MIPI-DSI + system interfaces. + +config DRM_PANEL_FEIXIN_K101_IM2BA02 + tristate "Feixin K101 IM2BA02 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 Feixin K101 IM2BA02 + 4-lane 800x1280 MIPI DSI panel. + config DRM_PANEL_FEIYANG_FY07024DI26A30D tristate "Feiyang FY07024DI26A30-D MIPI-DSI LCD panel" depends on OF @@ -149,6 +177,16 @@ config DRM_PANEL_NEC_NL8048HL11 panel (found on the Zoom2/3/3630 SDP boards). To compile this driver as a module, choose M here. +config DRM_PANEL_NOVATEK_NT35510 + tristate "Novatek NT35510 RGB panel driver" + 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 NT35510 display controller, such as some + Hydis panels. + config DRM_PANEL_NOVATEK_NT39016 tristate "Novatek NT39016 RGB/SPI panel" depends on OF && SPI @@ -275,6 +313,12 @@ config DRM_PANEL_SAMSUNG_S6E63M0 Say Y here if you want to enable support for Samsung S6E63M0 AMOLED LCD panel. +config DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01 + tristate "Samsung AMS452EF01 panel with S6E88A0 DSI video mode controller" + depends on OF + select DRM_MIPI_DSI + select VIDEOMODE_HELPERS + config DRM_PANEL_SAMSUNG_S6E8AA0 tristate "Samsung S6E8AA0 DSI video mode panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 7c4d3c581fd4..96a883cd6630 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -1,8 +1,11 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.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_ELIDA_KD35T133) += panel-elida-kd35t133.o +obj-$(CONFIG_DRM_PANEL_FEIXIN_K101_IM2BA02) += panel-feixin-k101-im2ba02.o obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o @@ -13,6 +16,7 @@ obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) += panel-leadtek-ltk500hd1829.o obj-$(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_NT39016) += panel-novatek-nt39016.o obj-$(CONFIG_DRM_PANEL_OLIMEX_LCD_OLINUXINO) += panel-olimex-lcd-olinuxino.o obj-$(CONFIG_DRM_PANEL_ORISETECH_OTM8009A) += panel-orisetech-otm8009a.o @@ -28,6 +32,7 @@ obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6D16D0) += panel-samsung-s6d16d0.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E3HA2) += panel-samsung-s6e3ha2.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03) += panel-samsung-s6e63j0x03.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63M0) += panel-samsung-s6e63m0.o +obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01) += panel-samsung-s6e88a0-ams452ef01.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0) += panel-samsung-s6e8aa0.o obj-$(CONFIG_DRM_PANEL_SEIKO_43WVF1G) += panel-seiko-43wvf1g.o obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.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..48a164257d18 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c @@ -0,0 +1,854 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Jitao Shi <jitao.shi@mediatek.com> + */ + +#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; + bool discharge_on_disable; +}; + +struct boe_panel { + struct drm_panel base; + struct mipi_dsi_device *dsi; + + const struct panel_desc *desc; + + struct regulator *pp1800; + struct regulator *avee; + struct regulator *avdd; + struct gpio_desc *enable_gpio; + + bool prepared; +}; + +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 const struct panel_init_cmd auo_kd101n80_45na_init_cmd[] = { + _INIT_DELAY_CMD(24), + _INIT_DCS_CMD(0x11), + _INIT_DELAY_CMD(120), + _INIT_DCS_CMD(0x29), + _INIT_DELAY_CMD(120), + {}, +}; + +static const struct panel_init_cmd auo_b101uan08_3_init_cmd[] = { + _INIT_DELAY_CMD(24), + _INIT_DCS_CMD(0xB0, 0x01), + _INIT_DCS_CMD(0xC0, 0x48), + _INIT_DCS_CMD(0xC1, 0x48), + _INIT_DCS_CMD(0xC2, 0x47), + _INIT_DCS_CMD(0xC3, 0x47), + _INIT_DCS_CMD(0xC4, 0x46), + _INIT_DCS_CMD(0xC5, 0x46), + _INIT_DCS_CMD(0xC6, 0x45), + _INIT_DCS_CMD(0xC7, 0x45), + _INIT_DCS_CMD(0xC8, 0x64), + _INIT_DCS_CMD(0xC9, 0x64), + _INIT_DCS_CMD(0xCA, 0x4F), + _INIT_DCS_CMD(0xCB, 0x4F), + _INIT_DCS_CMD(0xCC, 0x40), + _INIT_DCS_CMD(0xCD, 0x40), + _INIT_DCS_CMD(0xCE, 0x66), + _INIT_DCS_CMD(0xCF, 0x66), + _INIT_DCS_CMD(0xD0, 0x4F), + _INIT_DCS_CMD(0xD1, 0x4F), + _INIT_DCS_CMD(0xD2, 0x41), + _INIT_DCS_CMD(0xD3, 0x41), + _INIT_DCS_CMD(0xD4, 0x48), + _INIT_DCS_CMD(0xD5, 0x48), + _INIT_DCS_CMD(0xD6, 0x47), + _INIT_DCS_CMD(0xD7, 0x47), + _INIT_DCS_CMD(0xD8, 0x46), + _INIT_DCS_CMD(0xD9, 0x46), + _INIT_DCS_CMD(0xDA, 0x45), + _INIT_DCS_CMD(0xDB, 0x45), + _INIT_DCS_CMD(0xDC, 0x64), + _INIT_DCS_CMD(0xDD, 0x64), + _INIT_DCS_CMD(0xDE, 0x4F), + _INIT_DCS_CMD(0xDF, 0x4F), + _INIT_DCS_CMD(0xE0, 0x40), + _INIT_DCS_CMD(0xE1, 0x40), + _INIT_DCS_CMD(0xE2, 0x66), + _INIT_DCS_CMD(0xE3, 0x66), + _INIT_DCS_CMD(0xE4, 0x4F), + _INIT_DCS_CMD(0xE5, 0x4F), + _INIT_DCS_CMD(0xE6, 0x41), + _INIT_DCS_CMD(0xE7, 0x41), + _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_dcs_cmd(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_enter_sleep_mode(struct boe_panel *boe) +{ + struct mipi_dsi_device *dsi = boe->dsi; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) + return ret; + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) + return ret; + + 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_enter_sleep_mode(boe); + if (ret < 0) { + dev_err(panel->dev, "failed to set panel off: %d\n", ret); + return ret; + } + + msleep(150); + + if (boe->desc->discharge_on_disable) { + regulator_disable(boe->avee); + regulator_disable(boe->avdd); + usleep_range(5000, 7000); + gpiod_set_value(boe->enable_gpio, 0); + usleep_range(5000, 7000); + regulator_disable(boe->pp1800); + } else { + 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; + + usleep_range(5000, 10000); + + gpiod_set_value(boe->enable_gpio, 1); + usleep_range(1000, 2000); + gpiod_set_value(boe->enable_gpio, 0); + usleep_range(1000, 2000); + gpiod_set_value(boe->enable_gpio, 1); + usleep_range(6000, 10000); + + ret = boe_panel_init_dcs_cmd(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) +{ + msleep(130); + 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, + .discharge_on_disable = false, +}; + +static const struct drm_display_mode auo_kd101n80_45na_default_mode = { + .clock = 157000, + .hdisplay = 1200, + .hsync_start = 1200 + 80, + .hsync_end = 1200 + 80 + 24, + .htotal = 1200 + 80 + 24 + 36, + .vdisplay = 1920, + .vsync_start = 1920 + 16, + .vsync_end = 1920 + 16 + 4, + .vtotal = 1920 + 16 + 4 + 16, + .vrefresh = 60, +}; + +static const struct panel_desc auo_kd101n80_45na_desc = { + .modes = &auo_kd101n80_45na_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 = auo_kd101n80_45na_init_cmd, + .discharge_on_disable = true, +}; + +static const struct drm_display_mode boe_tv101wum_n53_default_mode = { + .clock = 159916, + .hdisplay = 1200, + .hsync_start = 1200 + 80, + .hsync_end = 1200 + 80 + 24, + .htotal = 1200 + 80 + 24 + 60, + .vdisplay = 1920, + .vsync_start = 1920 + 20, + .vsync_end = 1920 + 20 + 4, + .vtotal = 1920 + 20 + 4 + 10, + .vrefresh = 60, + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, +}; + +static const struct panel_desc boe_tv101wum_n53_desc = { + .modes = &boe_tv101wum_n53_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 const struct drm_display_mode auo_b101uan08_3_default_mode = { + .clock = 159667, + .hdisplay = 1200, + .hsync_start = 1200 + 60, + .hsync_end = 1200 + 60 + 4, + .htotal = 1200 + 60 + 4 + 80, + .vdisplay = 1920, + .vsync_start = 1920 + 34, + .vsync_end = 1920 + 34 + 2, + .vtotal = 1920 + 34 + 2 + 24, + .vrefresh = 60, + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, +}; + +static const struct panel_desc auo_b101uan08_3_desc = { + .modes = &auo_b101uan08_3_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 = auo_b101uan08_3_init_cmd, +}; + +static int boe_panel_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + 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(connector->dev, 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(connector, mode); + + connector->display_info.width_mm = boe->desc->size.width_mm; + connector->display_info.height_mm = boe->desc->size.height_mm; + connector->display_info.bpc = boe->desc->bpc; + + return 1; +} + +static const struct drm_panel_funcs boe_panel_funcs = { + .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; + int err; + + 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); + + drm_panel_init(&boe->base, dev, &boe_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + err = drm_panel_of_backlight(&boe->base); + if (err) + return err; + + 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); + + ret = mipi_dsi_attach(dsi); + if (ret) + drm_panel_remove(&boe->base); + + return ret; +} + +static void boe_panel_shutdown(struct mipi_dsi_device *dsi) +{ + struct boe_panel *boe = mipi_dsi_get_drvdata(dsi); + + drm_panel_disable(&boe->base); + drm_panel_unprepare(&boe->base); +} + +static int boe_panel_remove(struct mipi_dsi_device *dsi) +{ + struct boe_panel *boe = mipi_dsi_get_drvdata(dsi); + int ret; + + boe_panel_shutdown(dsi); + + 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 const struct of_device_id boe_of_match[] = { + { .compatible = "boe,tv101wum-nl6", + .data = &boe_tv101wum_nl6_desc + }, + { .compatible = "auo,kd101n80-45na", + .data = &auo_kd101n80_45na_desc + }, + { .compatible = "boe,tv101wum-n53", + .data = &boe_tv101wum_n53_desc + }, + { .compatible = "auo,b101uan08.3", + .data = &auo_b101uan08_3_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"); diff --git a/drivers/gpu/drm/panel/panel-elida-kd35t133.c b/drivers/gpu/drm/panel/panel-elida-kd35t133.c new file mode 100644 index 000000000000..711ded453c44 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-elida-kd35t133.c @@ -0,0 +1,352 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Elida kd35t133 5.5" MIPI-DSI panel driver + * Copyright (C) 2020 Theobroma Systems Design und Consulting GmbH + * + * based on + * + * Rockteck jh057n00900 5.5" MIPI-DSI panel driver + * Copyright (C) Purism SPC 2019 + */ + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/media-bus-format.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <video/display_timing.h> +#include <video/mipi_display.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> +#include <drm/drm_print.h> + +/* Manufacturer specific Commands send via DSI */ +#define KD35T133_CMD_INTERFACEMODECTRL 0xb0 +#define KD35T133_CMD_FRAMERATECTRL 0xb1 +#define KD35T133_CMD_DISPLAYINVERSIONCTRL 0xb4 +#define KD35T133_CMD_DISPLAYFUNCTIONCTRL 0xb6 +#define KD35T133_CMD_POWERCONTROL1 0xc0 +#define KD35T133_CMD_POWERCONTROL2 0xc1 +#define KD35T133_CMD_VCOMCONTROL 0xc5 +#define KD35T133_CMD_POSITIVEGAMMA 0xe0 +#define KD35T133_CMD_NEGATIVEGAMMA 0xe1 +#define KD35T133_CMD_SETIMAGEFUNCTION 0xe9 +#define KD35T133_CMD_ADJUSTCONTROL3 0xf7 + +struct kd35t133 { + struct device *dev; + struct drm_panel panel; + struct gpio_desc *reset_gpio; + struct regulator *vdd; + struct regulator *iovcc; + bool prepared; +}; + +static inline struct kd35t133 *panel_to_kd35t133(struct drm_panel *panel) +{ + return container_of(panel, struct kd35t133, panel); +} + +#define dsi_dcs_write_seq(dsi, cmd, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_dcs_write(dsi, cmd, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static int kd35t133_init_sequence(struct kd35t133 *ctx) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + struct device *dev = ctx->dev; + + /* + * Init sequence was supplied by the panel vendor with minimal + * documentation. + */ + dsi_dcs_write_seq(dsi, KD35T133_CMD_POSITIVEGAMMA, + 0x00, 0x13, 0x18, 0x04, 0x0f, 0x06, 0x3a, 0x56, + 0x4d, 0x03, 0x0a, 0x06, 0x30, 0x3e, 0x0f); + dsi_dcs_write_seq(dsi, KD35T133_CMD_NEGATIVEGAMMA, + 0x00, 0x13, 0x18, 0x01, 0x11, 0x06, 0x38, 0x34, + 0x4d, 0x06, 0x0d, 0x0b, 0x31, 0x37, 0x0f); + dsi_dcs_write_seq(dsi, KD35T133_CMD_POWERCONTROL1, 0x18, 0x17); + dsi_dcs_write_seq(dsi, KD35T133_CMD_POWERCONTROL2, 0x41); + dsi_dcs_write_seq(dsi, KD35T133_CMD_VCOMCONTROL, 0x00, 0x1a, 0x80); + dsi_dcs_write_seq(dsi, MIPI_DCS_SET_ADDRESS_MODE, 0x48); + dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PIXEL_FORMAT, 0x55); + dsi_dcs_write_seq(dsi, KD35T133_CMD_INTERFACEMODECTRL, 0x00); + dsi_dcs_write_seq(dsi, KD35T133_CMD_FRAMERATECTRL, 0xa0); + dsi_dcs_write_seq(dsi, KD35T133_CMD_DISPLAYINVERSIONCTRL, 0x02); + dsi_dcs_write_seq(dsi, KD35T133_CMD_DISPLAYFUNCTIONCTRL, + 0x20, 0x02); + dsi_dcs_write_seq(dsi, KD35T133_CMD_SETIMAGEFUNCTION, 0x00); + dsi_dcs_write_seq(dsi, KD35T133_CMD_ADJUSTCONTROL3, + 0xa9, 0x51, 0x2c, 0x82); + mipi_dsi_dcs_write(dsi, MIPI_DCS_ENTER_INVERT_MODE, NULL, 0); + + DRM_DEV_DEBUG_DRIVER(dev, "Panel init sequence done\n"); + return 0; +} + +static int kd35t133_unprepare(struct drm_panel *panel) +{ + struct kd35t133 *ctx = panel_to_kd35t133(panel); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + if (!ctx->prepared) + return 0; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) + DRM_DEV_ERROR(ctx->dev, "failed to set display off: %d\n", + ret); + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "failed to enter sleep mode: %d\n", + ret); + return ret; + } + + regulator_disable(ctx->iovcc); + regulator_disable(ctx->vdd); + + ctx->prepared = false; + + return 0; +} + +static int kd35t133_prepare(struct drm_panel *panel) +{ + struct kd35t133 *ctx = panel_to_kd35t133(panel); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + if (ctx->prepared) + return 0; + + DRM_DEV_DEBUG_DRIVER(ctx->dev, "Resetting the panel\n"); + ret = regulator_enable(ctx->vdd); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, + "Failed to enable vdd supply: %d\n", ret); + return ret; + } + + ret = regulator_enable(ctx->iovcc); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, + "Failed to enable iovcc supply: %d\n", ret); + goto disable_vdd; + } + + msleep(20); + + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(10, 20); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + + msleep(20); + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "Failed to exit sleep mode: %d\n", ret); + goto disable_iovcc; + } + + msleep(250); + + ret = kd35t133_init_sequence(ctx); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "Panel init sequence failed: %d\n", + ret); + goto disable_iovcc; + } + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "Failed to set display on: %d\n", ret); + goto disable_iovcc; + } + + msleep(50); + + ctx->prepared = true; + + return 0; + +disable_iovcc: + regulator_disable(ctx->iovcc); +disable_vdd: + regulator_disable(ctx->vdd); + return ret; +} + +static const struct drm_display_mode default_mode = { + .hdisplay = 320, + .hsync_start = 320 + 130, + .hsync_end = 320 + 130 + 4, + .htotal = 320 + 130 + 4 + 130, + .vdisplay = 480, + .vsync_start = 480 + 2, + .vsync_end = 480 + 2 + 1, + .vtotal = 480 + 2 + 1 + 2, + .vrefresh = 60, + .clock = 17000, + .width_mm = 42, + .height_mm = 82, +}; + +static int kd35t133_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct kd35t133 *ctx = panel_to_kd35t133(panel); + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &default_mode); + if (!mode) { + DRM_DEV_ERROR(ctx->dev, "Failed to add mode %ux%u@%u\n", + default_mode.hdisplay, default_mode.vdisplay, + default_mode.vrefresh); + 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 kd35t133_funcs = { + .unprepare = kd35t133_unprepare, + .prepare = kd35t133_prepare, + .get_modes = kd35t133_get_modes, +}; + +static int kd35t133_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct kd35t133 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset_gpio)) { + DRM_DEV_ERROR(dev, "cannot get reset gpio\n"); + return PTR_ERR(ctx->reset_gpio); + } + + ctx->vdd = devm_regulator_get(dev, "vdd"); + if (IS_ERR(ctx->vdd)) { + ret = PTR_ERR(ctx->vdd); + if (ret != -EPROBE_DEFER) + DRM_DEV_ERROR(dev, + "Failed to request vdd regulator: %d\n", + ret); + return ret; + } + + ctx->iovcc = devm_regulator_get(dev, "iovcc"); + if (IS_ERR(ctx->iovcc)) { + ret = PTR_ERR(ctx->iovcc); + if (ret != -EPROBE_DEFER) + DRM_DEV_ERROR(dev, + "Failed to request iovcc regulator: %d\n", + ret); + return ret; + } + + mipi_dsi_set_drvdata(dsi, ctx); + + ctx->dev = dev; + + dsi->lanes = 1; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET; + + drm_panel_init(&ctx->panel, &dsi->dev, &kd35t133_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + DRM_DEV_ERROR(dev, "mipi_dsi_attach failed: %d\n", ret); + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; +} + +static void kd35t133_shutdown(struct mipi_dsi_device *dsi) +{ + struct kd35t133 *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = drm_panel_unprepare(&ctx->panel); + if (ret < 0) + DRM_DEV_ERROR(&dsi->dev, "Failed to unprepare panel: %d\n", + ret); + + ret = drm_panel_disable(&ctx->panel); + if (ret < 0) + DRM_DEV_ERROR(&dsi->dev, "Failed to disable panel: %d\n", + ret); +} + +static int kd35t133_remove(struct mipi_dsi_device *dsi) +{ + struct kd35t133 *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + kd35t133_shutdown(dsi); + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + DRM_DEV_ERROR(&dsi->dev, "Failed to detach from DSI host: %d\n", + ret); + + drm_panel_remove(&ctx->panel); + + return 0; +} + +static const struct of_device_id kd35t133_of_match[] = { + { .compatible = "elida,kd35t133" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, kd35t133_of_match); + +static struct mipi_dsi_driver kd35t133_driver = { + .driver = { + .name = "panel-elida-kd35t133", + .of_match_table = kd35t133_of_match, + }, + .probe = kd35t133_probe, + .remove = kd35t133_remove, + .shutdown = kd35t133_shutdown, +}; +module_mipi_dsi_driver(kd35t133_driver); + +MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@theobroma-systems.com>"); +MODULE_DESCRIPTION("DRM driver for Elida kd35t133 MIPI DSI panel"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c b/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c new file mode 100644 index 000000000000..fddbfddf6566 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c @@ -0,0 +1,526 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019-2020 Icenowy Zheng <icenowy@aosc.io> + */ + +#include <linux/gpio/consumer.h> +#include <linux/delay.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/regulator/consumer.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> +#include <drm/drm_print.h> + +#define K101_IM2BA02_INIT_CMD_LEN 2 + +static const char * const regulator_names[] = { + "dvdd", + "avdd", + "cvdd" +}; + +struct k101_im2ba02 { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + + struct regulator_bulk_data supplies[ARRAY_SIZE(regulator_names)]; + struct gpio_desc *reset; +}; + +static inline struct k101_im2ba02 *panel_to_k101_im2ba02(struct drm_panel *panel) +{ + return container_of(panel, struct k101_im2ba02, panel); +} + +struct k101_im2ba02_init_cmd { + u8 data[K101_IM2BA02_INIT_CMD_LEN]; +}; + +static const struct k101_im2ba02_init_cmd k101_im2ba02_init_cmds[] = { + /* Switch to page 0 */ + { .data = { 0xE0, 0x00 } }, + + /* Seems to be some password */ + { .data = { 0xE1, 0x93} }, + { .data = { 0xE2, 0x65 } }, + { .data = { 0xE3, 0xF8 } }, + + /* Lane number, 0x02 - 3 lanes, 0x03 - 4 lanes */ + { .data = { 0x80, 0x03 } }, + + /* Sequence control */ + { .data = { 0x70, 0x02 } }, + { .data = { 0x71, 0x23 } }, + { .data = { 0x72, 0x06 } }, + + /* Switch to page 1 */ + { .data = { 0xE0, 0x01 } }, + + /* Set VCOM */ + { .data = { 0x00, 0x00 } }, + { .data = { 0x01, 0x66 } }, + /* Set VCOM_Reverse */ + { .data = { 0x03, 0x00 } }, + { .data = { 0x04, 0x25 } }, + + /* Set Gamma Power, VG[MS][PN] */ + { .data = { 0x17, 0x00 } }, + { .data = { 0x18, 0x6D } }, + { .data = { 0x19, 0x00 } }, + { .data = { 0x1A, 0x00 } }, + { .data = { 0x1B, 0xBF } }, /* VGMN = -4.5V */ + { .data = { 0x1C, 0x00 } }, + + /* Set Gate Power */ + { .data = { 0x1F, 0x3E } }, /* VGH_R = 15V */ + { .data = { 0x20, 0x28 } }, /* VGL_R = -11V */ + { .data = { 0x21, 0x28 } }, /* VGL_R2 = -11V */ + { .data = { 0x22, 0x0E } }, /* PA[6:4] = 0, PA[0] = 0 */ + + /* Set Panel */ + { .data = { 0x37, 0x09 } }, /* SS = 1, BGR = 1 */ + + /* Set RGBCYC */ + { .data = { 0x38, 0x04 } }, /* JDT = 100 column inversion */ + { .data = { 0x39, 0x08 } }, /* RGB_N_EQ1 */ + { .data = { 0x3A, 0x12 } }, /* RGB_N_EQ2 */ + { .data = { 0x3C, 0x78 } }, /* set EQ3 for TE_H */ + { .data = { 0x3D, 0xFF } }, /* set CHGEN_ON */ + { .data = { 0x3E, 0xFF } }, /* set CHGEN_OFF */ + { .data = { 0x3F, 0x7F } }, /* set CHGEN_OFF2 */ + + /* Set TCON parameter */ + { .data = { 0x40, 0x06 } }, /* RSO = 800 points */ + { .data = { 0x41, 0xA0 } }, /* LN = 1280 lines */ + + /* Set power voltage */ + { .data = { 0x55, 0x0F } }, /* DCDCM */ + { .data = { 0x56, 0x01 } }, + { .data = { 0x57, 0x69 } }, + { .data = { 0x58, 0x0A } }, + { .data = { 0x59, 0x0A } }, + { .data = { 0x5A, 0x45 } }, + { .data = { 0x5B, 0x15 } }, + + /* Set gamma */ + { .data = { 0x5D, 0x7C } }, + { .data = { 0x5E, 0x65 } }, + { .data = { 0x5F, 0x55 } }, + { .data = { 0x60, 0x49 } }, + { .data = { 0x61, 0x44 } }, + { .data = { 0x62, 0x35 } }, + { .data = { 0x63, 0x3A } }, + { .data = { 0x64, 0x23 } }, + { .data = { 0x65, 0x3D } }, + { .data = { 0x66, 0x3C } }, + { .data = { 0x67, 0x3D } }, + { .data = { 0x68, 0x5D } }, + { .data = { 0x69, 0x4D } }, + { .data = { 0x6A, 0x56 } }, + { .data = { 0x6B, 0x48 } }, + { .data = { 0x6C, 0x45 } }, + { .data = { 0x6D, 0x38 } }, + { .data = { 0x6E, 0x25 } }, + { .data = { 0x6F, 0x00 } }, + { .data = { 0x70, 0x7C } }, + { .data = { 0x71, 0x65 } }, + { .data = { 0x72, 0x55 } }, + { .data = { 0x73, 0x49 } }, + { .data = { 0x74, 0x44 } }, + { .data = { 0x75, 0x35 } }, + { .data = { 0x76, 0x3A } }, + { .data = { 0x77, 0x23 } }, + { .data = { 0x78, 0x3D } }, + { .data = { 0x79, 0x3C } }, + { .data = { 0x7A, 0x3D } }, + { .data = { 0x7B, 0x5D } }, + { .data = { 0x7C, 0x4D } }, + { .data = { 0x7D, 0x56 } }, + { .data = { 0x7E, 0x48 } }, + { .data = { 0x7F, 0x45 } }, + { .data = { 0x80, 0x38 } }, + { .data = { 0x81, 0x25 } }, + { .data = { 0x82, 0x00 } }, + + /* Switch to page 2, for GIP */ + { .data = { 0xE0, 0x02 } }, + + { .data = { 0x00, 0x1E } }, + { .data = { 0x01, 0x1E } }, + { .data = { 0x02, 0x41 } }, + { .data = { 0x03, 0x41 } }, + { .data = { 0x04, 0x43 } }, + { .data = { 0x05, 0x43 } }, + { .data = { 0x06, 0x1F } }, + { .data = { 0x07, 0x1F } }, + { .data = { 0x08, 0x1F } }, + { .data = { 0x09, 0x1F } }, + { .data = { 0x0A, 0x1E } }, + { .data = { 0x0B, 0x1E } }, + { .data = { 0x0C, 0x1F } }, + { .data = { 0x0D, 0x47 } }, + { .data = { 0x0E, 0x47 } }, + { .data = { 0x0F, 0x45 } }, + { .data = { 0x10, 0x45 } }, + { .data = { 0x11, 0x4B } }, + { .data = { 0x12, 0x4B } }, + { .data = { 0x13, 0x49 } }, + { .data = { 0x14, 0x49 } }, + { .data = { 0x15, 0x1F } }, + + { .data = { 0x16, 0x1E } }, + { .data = { 0x17, 0x1E } }, + { .data = { 0x18, 0x40 } }, + { .data = { 0x19, 0x40 } }, + { .data = { 0x1A, 0x42 } }, + { .data = { 0x1B, 0x42 } }, + { .data = { 0x1C, 0x1F } }, + { .data = { 0x1D, 0x1F } }, + { .data = { 0x1E, 0x1F } }, + { .data = { 0x1F, 0x1f } }, + { .data = { 0x20, 0x1E } }, + { .data = { 0x21, 0x1E } }, + { .data = { 0x22, 0x1f } }, + { .data = { 0x23, 0x46 } }, + { .data = { 0x24, 0x46 } }, + { .data = { 0x25, 0x44 } }, + { .data = { 0x26, 0x44 } }, + { .data = { 0x27, 0x4A } }, + { .data = { 0x28, 0x4A } }, + { .data = { 0x29, 0x48 } }, + { .data = { 0x2A, 0x48 } }, + { .data = { 0x2B, 0x1f } }, + + { .data = { 0x2C, 0x1F } }, + { .data = { 0x2D, 0x1F } }, + { .data = { 0x2E, 0x42 } }, + { .data = { 0x2F, 0x42 } }, + { .data = { 0x30, 0x40 } }, + { .data = { 0x31, 0x40 } }, + { .data = { 0x32, 0x1E } }, + { .data = { 0x33, 0x1E } }, + { .data = { 0x34, 0x1F } }, + { .data = { 0x35, 0x1F } }, + { .data = { 0x36, 0x1E } }, + { .data = { 0x37, 0x1E } }, + { .data = { 0x38, 0x1F } }, + { .data = { 0x39, 0x48 } }, + { .data = { 0x3A, 0x48 } }, + { .data = { 0x3B, 0x4A } }, + { .data = { 0x3C, 0x4A } }, + { .data = { 0x3D, 0x44 } }, + { .data = { 0x3E, 0x44 } }, + { .data = { 0x3F, 0x46 } }, + { .data = { 0x40, 0x46 } }, + { .data = { 0x41, 0x1F } }, + + { .data = { 0x42, 0x1F } }, + { .data = { 0x43, 0x1F } }, + { .data = { 0x44, 0x43 } }, + { .data = { 0x45, 0x43 } }, + { .data = { 0x46, 0x41 } }, + { .data = { 0x47, 0x41 } }, + { .data = { 0x48, 0x1E } }, + { .data = { 0x49, 0x1E } }, + { .data = { 0x4A, 0x1E } }, + { .data = { 0x4B, 0x1F } }, + { .data = { 0x4C, 0x1E } }, + { .data = { 0x4D, 0x1E } }, + { .data = { 0x4E, 0x1F } }, + { .data = { 0x4F, 0x49 } }, + { .data = { 0x50, 0x49 } }, + { .data = { 0x51, 0x4B } }, + { .data = { 0x52, 0x4B } }, + { .data = { 0x53, 0x45 } }, + { .data = { 0x54, 0x45 } }, + { .data = { 0x55, 0x47 } }, + { .data = { 0x56, 0x47 } }, + { .data = { 0x57, 0x1F } }, + + { .data = { 0x58, 0x10 } }, + { .data = { 0x59, 0x00 } }, + { .data = { 0x5A, 0x00 } }, + { .data = { 0x5B, 0x30 } }, + { .data = { 0x5C, 0x02 } }, + { .data = { 0x5D, 0x40 } }, + { .data = { 0x5E, 0x01 } }, + { .data = { 0x5F, 0x02 } }, + { .data = { 0x60, 0x30 } }, + { .data = { 0x61, 0x01 } }, + { .data = { 0x62, 0x02 } }, + { .data = { 0x63, 0x6A } }, + { .data = { 0x64, 0x6A } }, + { .data = { 0x65, 0x05 } }, + { .data = { 0x66, 0x12 } }, + { .data = { 0x67, 0x74 } }, + { .data = { 0x68, 0x04 } }, + { .data = { 0x69, 0x6A } }, + { .data = { 0x6A, 0x6A } }, + { .data = { 0x6B, 0x08 } }, + + { .data = { 0x6C, 0x00 } }, + { .data = { 0x6D, 0x04 } }, + { .data = { 0x6E, 0x04 } }, + { .data = { 0x6F, 0x88 } }, + { .data = { 0x70, 0x00 } }, + { .data = { 0x71, 0x00 } }, + { .data = { 0x72, 0x06 } }, + { .data = { 0x73, 0x7B } }, + { .data = { 0x74, 0x00 } }, + { .data = { 0x75, 0x07 } }, + { .data = { 0x76, 0x00 } }, + { .data = { 0x77, 0x5D } }, + { .data = { 0x78, 0x17 } }, + { .data = { 0x79, 0x1F } }, + { .data = { 0x7A, 0x00 } }, + { .data = { 0x7B, 0x00 } }, + { .data = { 0x7C, 0x00 } }, + { .data = { 0x7D, 0x03 } }, + { .data = { 0x7E, 0x7B } }, + + { .data = { 0xE0, 0x04 } }, + { .data = { 0x2B, 0x2B } }, + { .data = { 0x2E, 0x44 } }, + + { .data = { 0xE0, 0x01 } }, + { .data = { 0x0E, 0x01 } }, + + { .data = { 0xE0, 0x03 } }, + { .data = { 0x98, 0x2F } }, + + { .data = { 0xE0, 0x00 } }, + { .data = { 0xE6, 0x02 } }, + { .data = { 0xE7, 0x02 } }, + + { .data = { 0x11, 0x00 } }, +}; + +static const struct k101_im2ba02_init_cmd timed_cmds[] = { + { .data = { 0x29, 0x00 } }, + { .data = { 0x35, 0x00 } }, +}; + +static int k101_im2ba02_prepare(struct drm_panel *panel) +{ + struct k101_im2ba02 *ctx = panel_to_k101_im2ba02(panel); + struct mipi_dsi_device *dsi = ctx->dsi; + unsigned int i; + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret) + return ret; + + msleep(30); + + gpiod_set_value(ctx->reset, 1); + msleep(50); + + gpiod_set_value(ctx->reset, 0); + msleep(50); + + gpiod_set_value(ctx->reset, 1); + msleep(200); + + for (i = 0; i < ARRAY_SIZE(k101_im2ba02_init_cmds); i++) { + const struct k101_im2ba02_init_cmd *cmd = &k101_im2ba02_init_cmds[i]; + + ret = mipi_dsi_dcs_write_buffer(dsi, cmd->data, K101_IM2BA02_INIT_CMD_LEN); + if (ret < 0) + goto powerdown; + } + + return 0; + +powerdown: + gpiod_set_value(ctx->reset, 0); + msleep(50); + + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); +} + +static int k101_im2ba02_enable(struct drm_panel *panel) +{ + struct k101_im2ba02 *ctx = panel_to_k101_im2ba02(panel); + const struct k101_im2ba02_init_cmd *cmd = &timed_cmds[1]; + int ret; + + msleep(150); + + ret = mipi_dsi_dcs_set_display_on(ctx->dsi); + if (ret < 0) + return ret; + + msleep(50); + + return mipi_dsi_dcs_write_buffer(ctx->dsi, cmd->data, K101_IM2BA02_INIT_CMD_LEN); +} + +static int k101_im2ba02_disable(struct drm_panel *panel) +{ + struct k101_im2ba02 *ctx = panel_to_k101_im2ba02(panel); + + return mipi_dsi_dcs_set_display_off(ctx->dsi); +} + +static int k101_im2ba02_unprepare(struct drm_panel *panel) +{ + struct k101_im2ba02 *ctx = panel_to_k101_im2ba02(panel); + int ret; + + ret = mipi_dsi_dcs_set_display_off(ctx->dsi); + if (ret < 0) + DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n", + ret); + + ret = mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); + if (ret < 0) + DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n", + ret); + + msleep(200); + + gpiod_set_value(ctx->reset, 0); + msleep(20); + + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); +} + +static const struct drm_display_mode k101_im2ba02_default_mode = { + .clock = 70000, + .vrefresh = 60, + + .hdisplay = 800, + .hsync_start = 800 + 20, + .hsync_end = 800 + 20 + 20, + .htotal = 800 + 20 + 20 + 20, + + .vdisplay = 1280, + .vsync_start = 1280 + 16, + .vsync_end = 1280 + 16 + 4, + .vtotal = 1280 + 16 + 4 + 4, + + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, + .width_mm = 136, + .height_mm = 217, +}; + +static int k101_im2ba02_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct k101_im2ba02 *ctx = panel_to_k101_im2ba02(panel); + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &k101_im2ba02_default_mode); + if (!mode) { + DRM_DEV_ERROR(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n", + k101_im2ba02_default_mode.hdisplay, + k101_im2ba02_default_mode.vdisplay, + k101_im2ba02_default_mode.vrefresh); + 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 k101_im2ba02_funcs = { + .disable = k101_im2ba02_disable, + .unprepare = k101_im2ba02_unprepare, + .prepare = k101_im2ba02_prepare, + .enable = k101_im2ba02_enable, + .get_modes = k101_im2ba02_get_modes, +}; + +static int k101_im2ba02_dsi_probe(struct mipi_dsi_device *dsi) +{ + struct k101_im2ba02 *ctx; + unsigned int i; + int ret; + + ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + mipi_dsi_set_drvdata(dsi, ctx); + ctx->dsi = dsi; + + for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) + ctx->supplies[i].supply = regulator_names[i]; + + ret = devm_regulator_bulk_get(&dsi->dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) { + DRM_DEV_ERROR(&dsi->dev, "Couldn't get regulators\n"); + return ret; + } + + ctx->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset)) { + DRM_DEV_ERROR(&dsi->dev, "Couldn't get our reset GPIO\n"); + return PTR_ERR(ctx->reset); + } + + drm_panel_init(&ctx->panel, &dsi->dev, &k101_im2ba02_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; + + ret = drm_panel_add(&ctx->panel); + if (ret < 0) + return ret; + + dsi->mode_flags = MIPI_DSI_MODE_VIDEO; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->lanes = 4; + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; +} + +static int k101_im2ba02_dsi_remove(struct mipi_dsi_device *dsi) +{ + struct k101_im2ba02 *ctx = mipi_dsi_get_drvdata(dsi); + + mipi_dsi_detach(dsi); + drm_panel_remove(&ctx->panel); + + return 0; +} + +static const struct of_device_id k101_im2ba02_of_match[] = { + { .compatible = "feixin,k101-im2ba02", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, k101_im2ba02_of_match); + +static struct mipi_dsi_driver k101_im2ba02_driver = { + .probe = k101_im2ba02_dsi_probe, + .remove = k101_im2ba02_dsi_remove, + .driver = { + .name = "feixin-k101-im2ba02", + .of_match_table = k101_im2ba02_of_match, + }, +}; +module_mipi_dsi_driver(k101_im2ba02_driver); + +MODULE_AUTHOR("Icenowy Zheng <icenowy@aosc.io>"); +MODULE_DESCRIPTION("Feixin K101 IM2BA02 MIPI-DSI LCD panel"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c index f394d53a7da4..09935520e606 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c @@ -540,7 +540,7 @@ static int ili9322_enable(struct drm_panel *panel) /* Serial RGB modes */ static const struct drm_display_mode srgb_320x240_mode = { - .clock = 2453500, + .clock = 24535, .hdisplay = 320, .hsync_start = 320 + 359, .hsync_end = 320 + 359 + 1, @@ -554,7 +554,7 @@ static const struct drm_display_mode srgb_320x240_mode = { }; static const struct drm_display_mode srgb_360x240_mode = { - .clock = 2700000, + .clock = 27000, .hdisplay = 360, .hsync_start = 360 + 35, .hsync_end = 360 + 35 + 1, @@ -569,7 +569,7 @@ static const struct drm_display_mode srgb_360x240_mode = { /* This is the only mode listed for parallel RGB in the datasheet */ static const struct drm_display_mode prgb_320x240_mode = { - .clock = 6400000, + .clock = 64000, .hdisplay = 320, .hsync_start = 320 + 38, .hsync_end = 320 + 38 + 1, @@ -584,7 +584,7 @@ static const struct drm_display_mode prgb_320x240_mode = { /* YUV modes */ static const struct drm_display_mode yuv_640x320_mode = { - .clock = 2454000, + .clock = 24540, .hdisplay = 640, .hsync_start = 640 + 252, .hsync_end = 640 + 252 + 1, @@ -598,7 +598,7 @@ static const struct drm_display_mode yuv_640x320_mode = { }; static const struct drm_display_mode yuv_720x360_mode = { - .clock = 2700000, + .clock = 27000, .hdisplay = 720, .hsync_start = 720 + 252, .hsync_end = 720 + 252 + 1, @@ -613,7 +613,7 @@ static const struct drm_display_mode yuv_720x360_mode = { /* BT.656 VGA mode, 640x480 */ static const struct drm_display_mode itu_r_bt_656_640_mode = { - .clock = 2454000, + .clock = 24540, .hdisplay = 640, .hsync_start = 640 + 3, .hsync_end = 640 + 3 + 1, @@ -628,7 +628,7 @@ static const struct drm_display_mode itu_r_bt_656_640_mode = { /* BT.656 D1 mode 720x480 */ static const struct drm_display_mode itu_r_bt_656_720_mode = { - .clock = 2700000, + .clock = 27000, .hdisplay = 720, .hsync_start = 720 + 3, .hsync_end = 720 + 3 + 1, diff --git a/drivers/gpu/drm/panel/panel-lg-lg4573.c b/drivers/gpu/drm/panel/panel-lg-lg4573.c index b262b53dbd85..5907f2503755 100644 --- a/drivers/gpu/drm/panel/panel-lg-lg4573.c +++ b/drivers/gpu/drm/panel/panel-lg-lg4573.c @@ -197,7 +197,7 @@ static int lg4573_enable(struct drm_panel *panel) } static const struct drm_display_mode default_mode = { - .clock = 27000, + .clock = 28341, .hdisplay = 480, .hsync_start = 480 + 10, .hsync_end = 480 + 10 + 59, diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35510.c b/drivers/gpu/drm/panel/panel-novatek-nt35510.c new file mode 100644 index 000000000000..4a8fa908a2cf --- /dev/null +++ b/drivers/gpu/drm/panel/panel-novatek-nt35510.c @@ -0,0 +1,1098 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Novatek NT35510 panel driver + * Copyright (C) 2020 Linus Walleij <linus.walleij@linaro.org> + * Based on code by Robert Teather (C) 2012 Samsung + * + * This display driver (and I refer to the physical component NT35510, + * not this Linux kernel software driver) can handle: + * 480x864, 480x854, 480x800, 480x720 and 480x640 pixel displays. + * It has 480x840x24bit SRAM embedded for storing a frame. + * When powered on the display is by default in 480x800 mode. + * + * The actual panels using this component have different names, but + * the code needed to set up and configure the panel will be similar, + * so they should all use the NT35510 driver with appropriate configuration + * per-panel, e.g. for physical size. + * + * This driver is for the DSI interface to panels using the NT35510. + * + * The NT35510 can also use an RGB (DPI) interface combined with an + * I2C or SPI interface for setting up the NT35510. If this is needed + * this panel driver should be refactored to also support that use + * case. + */ +#include <linux/backlight.h> +#include <linux/bitops.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> + +#include <video/mipi_display.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> +#include <drm/drm_print.h> + +#define MCS_CMD_MAUCCTR 0xF0 /* Manufacturer command enable */ +#define MCS_CMD_READ_ID1 0xDA +#define MCS_CMD_READ_ID2 0xDB +#define MCS_CMD_READ_ID3 0xDC +#define MCS_CMD_MTP_READ_SETTING 0xF8 /* Uncertain about name */ +#define MCS_CMD_MTP_READ_PARAM 0xFF /* Uncertain about name */ + +/* + * These manufacturer commands are available after we enable manufacturer + * command set (MCS) for page 0. + */ +#define NT35510_P0_DOPCTR 0xB1 +#define NT35510_P0_SDHDTCTR 0xB6 +#define NT35510_P0_GSEQCTR 0xB7 +#define NT35510_P0_SDEQCTR 0xB8 +#define NT35510_P0_SDVPCTR 0xBA +#define NT35510_P0_DPFRCTR1 0xBD +#define NT35510_P0_DPFRCTR2 0xBE +#define NT35510_P0_DPFRCTR3 0xBF +#define NT35510_P0_DPMCTR12 0xCC + +#define NT35510_P0_DOPCTR_LEN 2 +#define NT35510_P0_GSEQCTR_LEN 2 +#define NT35510_P0_SDEQCTR_LEN 4 +#define NT35510_P0_SDVPCTR_LEN 1 +#define NT35510_P0_DPFRCTR1_LEN 5 +#define NT35510_P0_DPFRCTR2_LEN 5 +#define NT35510_P0_DPFRCTR3_LEN 5 +#define NT35510_P0_DPMCTR12_LEN 3 + +#define NT35510_DOPCTR_0_RAMKP BIT(7) /* Contents kept in sleep */ +#define NT35510_DOPCTR_0_DSITE BIT(6) /* Enable TE signal */ +#define NT35510_DOPCTR_0_DSIG BIT(5) /* Enable generic read/write */ +#define NT35510_DOPCTR_0_DSIM BIT(4) /* Enable video mode on DSI */ +#define NT35510_DOPCTR_0_EOTP BIT(3) /* Support EoTP */ +#define NT35510_DOPCTR_0_N565 BIT(2) /* RGB or BGR pixel format */ +#define NT35510_DOPCTR_1_TW_PWR_SEL BIT(4) /* TE power selector */ +#define NT35510_DOPCTR_1_CRGB BIT(3) /* RGB or BGR byte order */ +#define NT35510_DOPCTR_1_CTB BIT(2) /* Vertical scanning direction */ +#define NT35510_DOPCTR_1_CRL BIT(1) /* Source driver data shift */ +#define NT35510_P0_SDVPCTR_PRG BIT(2) /* 0 = normal operation, 1 = VGLO */ +#define NT35510_P0_SDVPCTR_AVDD 0 /* source driver output = AVDD */ +#define NT35510_P0_SDVPCTR_OFFCOL 1 /* source driver output = off color */ +#define NT35510_P0_SDVPCTR_AVSS 2 /* source driver output = AVSS */ +#define NT35510_P0_SDVPCTR_HI_Z 3 /* source driver output = High impedance */ + +/* + * These manufacturer commands are available after we enable manufacturer + * command set (MCS) for page 1. + */ +#define NT35510_P1_SETAVDD 0xB0 +#define NT35510_P1_SETAVEE 0xB1 +#define NT35510_P1_SETVCL 0xB2 +#define NT35510_P1_SETVGH 0xB3 +#define NT35510_P1_SETVRGH 0xB4 +#define NT35510_P1_SETVGL 0xB5 +#define NT35510_P1_BT1CTR 0xB6 +#define NT35510_P1_BT2CTR 0xB7 +#define NT35510_P1_BT3CTR 0xB8 +#define NT35510_P1_BT4CTR 0xB9 /* VGH boosting times/freq */ +#define NT35510_P1_BT5CTR 0xBA +#define NT35510_P1_PFMCTR 0xBB +#define NT35510_P1_SETVGP 0xBC +#define NT35510_P1_SETVGN 0xBD +#define NT35510_P1_SETVCMOFF 0xBE +#define NT35510_P1_VGHCTR 0xBF /* VGH output ctrl */ +#define NT35510_P1_SET_GAMMA_RED_POS 0xD1 +#define NT35510_P1_SET_GAMMA_GREEN_POS 0xD2 +#define NT35510_P1_SET_GAMMA_BLUE_POS 0xD3 +#define NT35510_P1_SET_GAMMA_RED_NEG 0xD4 +#define NT35510_P1_SET_GAMMA_GREEN_NEG 0xD5 +#define NT35510_P1_SET_GAMMA_BLUE_NEG 0xD6 + +/* AVDD and AVEE setting 3 bytes */ +#define NT35510_P1_AVDD_LEN 3 +#define NT35510_P1_AVEE_LEN 3 +#define NT35510_P1_VGH_LEN 3 +#define NT35510_P1_VGL_LEN 3 +#define NT35510_P1_VGP_LEN 3 +#define NT35510_P1_VGN_LEN 3 +/* BT1CTR thru BT5CTR setting 3 bytes */ +#define NT35510_P1_BT1CTR_LEN 3 +#define NT35510_P1_BT2CTR_LEN 3 +#define NT35510_P1_BT4CTR_LEN 3 +#define NT35510_P1_BT5CTR_LEN 3 +/* 52 gamma parameters times two per color: positive and negative */ +#define NT35510_P1_GAMMA_LEN 52 + +/** + * struct nt35510_config - the display-specific NT35510 configuration + * + * Some of the settings provide an array of bytes, A, B C which mean: + * A = normal / idle off mode + * B = idle on mode + * C = partial / idle off mode + * + * Gamma correction arrays are 10bit numbers, two consecutive bytes + * makes out one point on the gamma correction curve. The points are + * not linearly placed along the X axis, we get points 0, 1, 3, 5 + * 7, 11, 15, 23, 31, 47, 63, 95, 127, 128, 160, 192, 208, 224, 232, + * 240, 244, 248, 250, 252, 254, 255. The voltages tuples form + * V0, V1, V3 ... V255, with 0x0000 being the lowest voltage and + * 0x03FF being the highest voltage. + * + * Each value must be strictly higher than the previous value forming + * a rising curve like this: + * + * ^ + * | V255 + * | V254 + * | .... + * | V5 + * | V3 + * | V1 + * | V0 + * +-------------------------------------------> + * + * The details about all settings can be found in the NT35510 Application + * Note. + */ +struct nt35510_config { + /** + * @width_mm: physical panel width [mm] + */ + u32 width_mm; + /** + * @height_mm: physical panel height [mm] + */ + u32 height_mm; + /** + * @mode: the display mode. This is only relevant outside the panel + * in video mode: in command mode this is configuring the internal + * timing in the display controller. + */ + const struct drm_display_mode mode; + /** + * @avdd: setting for AVDD ranging from 0x00 = 6.5V to 0x14 = 4.5V + * in 0.1V steps the default is 0x05 which means 6.0V + */ + u8 avdd[NT35510_P1_AVDD_LEN]; + /** + * @bt1ctr: setting for boost power control for the AVDD step-up + * circuit (1) + * bits 0..2 in the lower nibble controls PCK, the booster clock + * frequency for the step-up circuit: + * 0 = Hsync/32 + * 1 = Hsync/16 + * 2 = Hsync/8 + * 3 = Hsync/4 + * 4 = Hsync/2 + * 5 = Hsync + * 6 = Hsync x 2 + * 7 = Hsync x 4 + * bits 4..6 in the upper nibble controls BTP, the boosting + * amplification for the the step-up circuit: + * 0 = Disable + * 1 = 1.5 x VDDB + * 2 = 1.66 x VDDB + * 3 = 2 x VDDB + * 4 = 2.5 x VDDB + * 5 = 3 x VDDB + * The defaults are 4 and 4 yielding 0x44 + */ + u8 bt1ctr[NT35510_P1_BT1CTR_LEN]; + /** + * @avee: setting for AVEE ranging from 0x00 = -6.5V to 0x14 = -4.5V + * in 0.1V steps the default is 0x05 which means -6.0V + */ + u8 avee[NT35510_P1_AVEE_LEN]; + /** + * @bt2ctr: setting for boost power control for the AVEE step-up + * circuit (2) + * bits 0..2 in the lower nibble controls NCK, the booster clock + * frequency, the values are the same as for PCK in @bt1ctr. + * bits 4..5 in the upper nibble controls BTN, the boosting + * amplification for the the step-up circuit. + * 0 = Disable + * 1 = -1.5 x VDDB + * 2 = -2 x VDDB + * 3 = -2.5 x VDDB + * 4 = -3 x VDDB + * The defaults are 4 and 3 yielding 0x34 + */ + u8 bt2ctr[NT35510_P1_BT2CTR_LEN]; + /** + * @vgh: setting for VGH ranging from 0x00 = 7.0V to 0x0B = 18.0V + * in 1V steps, the default is 0x08 which means 15V + */ + u8 vgh[NT35510_P1_VGH_LEN]; + /** + * @bt4ctr: setting for boost power control for the VGH step-up + * circuit (4) + * bits 0..2 in the lower nibble controls HCK, the booster clock + * frequency, the values are the same as for PCK in @bt1ctr. + * bits 4..5 in the upper nibble controls BTH, the boosting + * amplification for the the step-up circuit. + * 0 = AVDD + VDDB + * 1 = AVDD - AVEE + * 2 = AVDD - AVEE + VDDB + * 3 = AVDD x 2 - AVEE + * The defaults are 4 and 3 yielding 0x34 + */ + u8 bt4ctr[NT35510_P1_BT4CTR_LEN]; + /** + * @vgl: setting for VGL ranging from 0x00 = -2V to 0x0f = -15V in + * 1V steps, the default is 0x08 which means -10V + */ + u8 vgl[NT35510_P1_VGL_LEN]; + /** + * @bt5ctr: setting for boost power control for the VGL step-up + * circuit (5) + * bits 0..2 in the lower nibble controls LCK, the booster clock + * frequency, the values are the same as for PCK in @bt1ctr. + * bits 4..5 in the upper nibble controls BTL, the boosting + * amplification for the the step-up circuit. + * 0 = AVEE + VCL + * 1 = AVEE - AVDD + * 2 = AVEE + VCL - AVDD + * 3 = AVEE x 2 - AVDD + * The defaults are 3 and 2 yielding 0x32 + */ + u8 bt5ctr[NT35510_P1_BT5CTR_LEN]; + /** + * @vgp: setting for VGP, the positive gamma divider voltages + * VGMP the high voltage and VGSP the low voltage. + * The first byte contains bit 8 of VGMP and VGSP in bits 4 and 0 + * The second byte contains bit 0..7 of VGMP + * The third byte contains bit 0..7 of VGSP + * VGMP 0x00 = 3.0V .. 0x108 = 6.3V in steps of 12.5mV + * VGSP 0x00 = 0V .. 0x111 = 3.7V in steps of 12.5mV + */ + u8 vgp[NT35510_P1_VGP_LEN]; + /** + * @vgn: setting for VGN, the negative gamma divider voltages, + * same layout of bytes as @vgp. + */ + u8 vgn[NT35510_P1_VGN_LEN]; + /** + * @sdeqctr: Source driver control settings, first byte is + * 0 for mode 1 and 1 for mode 2. Mode 1 uses two steps and + * mode 2 uses three steps meaning EQS3 is not used in mode + * 1. Mode 2 is default. The last three parameters are EQS1, EQS2 + * and EQS3, setting the rise time for each equalizer step: + * 0x00 = 0.0 us to 0x0f = 7.5 us in steps of 0.5us. The default + * is 0x07 = 3.5 us. + */ + u8 sdeqctr[NT35510_P0_SDEQCTR_LEN]; + /** + * @sdvpctr: power/voltage behaviour during vertical porch time + */ + u8 sdvpctr; + /** + * @t1: the number of pixel clocks on one scanline, range + * 0x100 (258 ticks) .. 0x3FF (1024 ticks) so the value + 1 + * clock ticks. + */ + u16 t1; + /** + * @vbp: vertical back porch toward the PANEL note: not toward + * the DSI host; these are separate interfaces, in from DSI host + * and out to the panel. + */ + u8 vbp; + /** + * @vfp: vertical front porch toward the PANEL. + */ + u8 vfp; + /** + * @psel: pixel clock divisor: 0 = 1, 1 = 2, 2 = 4, 3 = 8. + */ + u8 psel; + /** + * @dpmctr12: Display timing control 12 + * Byte 1 bit 4 selects LVGL voltage level: 0 = VGLX, 1 = VGL_REG + * Byte 1 bit 1 selects gate signal mode: 0 = non-overlap, 1 = overlap + * Byte 1 bit 0 selects output signal control R/L swap, 0 = normal + * 1 = swap all O->E, L->R + * Byte 2 is CLW delay clock for CK O/E and CKB O/E signals: + * 0x00 = 0us .. 0xFF = 12.75us in 0.05us steps + * Byte 3 is FTI_H0 delay time for STP O/E signals: + * 0x00 = 0us .. 0xFF = 12.75us in 0.05us steps + */ + u8 dpmctr12[NT35510_P0_DPMCTR12_LEN]; + /** + * @gamma_corr_pos_r: Red gamma correction parameters, positive + */ + u8 gamma_corr_pos_r[NT35510_P1_GAMMA_LEN]; + /** + * @gamma_corr_pos_g: Green gamma correction parameters, positive + */ + u8 gamma_corr_pos_g[NT35510_P1_GAMMA_LEN]; + /** + * @gamma_corr_pos_b: Blue gamma correction parameters, positive + */ + u8 gamma_corr_pos_b[NT35510_P1_GAMMA_LEN]; + /** + * @gamma_corr_neg_r: Red gamma correction parameters, negative + */ + u8 gamma_corr_neg_r[NT35510_P1_GAMMA_LEN]; + /** + * @gamma_corr_neg_g: Green gamma correction parameters, negative + */ + u8 gamma_corr_neg_g[NT35510_P1_GAMMA_LEN]; + /** + * @gamma_corr_neg_b: Blue gamma correction parameters, negative + */ + u8 gamma_corr_neg_b[NT35510_P1_GAMMA_LEN]; +}; + +/** + * struct nt35510 - state container for the NT35510 panel + */ +struct nt35510 { + /** + * @dev: the container device + */ + struct device *dev; + /** + * @conf: the specific panel configuration, as the NT35510 + * can be combined with many physical panels, they can have + * different physical dimensions and gamma correction etc, + * so this is stored in the config. + */ + const struct nt35510_config *conf; + /** + * @panel: the DRM panel object for the instance + */ + struct drm_panel panel; + /** + * @supplies: regulators supplying the panel + */ + struct regulator_bulk_data supplies[2]; + /** + * @reset_gpio: the reset line + */ + struct gpio_desc *reset_gpio; +}; + +/* Manufacturer command has strictly this byte sequence */ +static const u8 nt35510_mauc_select_page_0[] = { 0x55, 0xAA, 0x52, 0x08, 0x00 }; +static const u8 nt35510_mauc_select_page_1[] = { 0x55, 0xAA, 0x52, 0x08, 0x01 }; +static const u8 nt35510_vgh_on[] = { 0x01 }; + +static inline struct nt35510 *panel_to_nt35510(struct drm_panel *panel) +{ + return container_of(panel, struct nt35510, panel); +} + +#define NT35510_ROTATE_0_SETTING 0x02 +#define NT35510_ROTATE_180_SETTING 0x00 + +static int nt35510_send_long(struct nt35510 *nt, struct mipi_dsi_device *dsi, + u8 cmd, u8 cmdlen, const u8 *seq) +{ + const u8 *seqp = seq; + int cmdwritten = 0; + int chunk = cmdlen; + int ret; + + if (chunk > 15) + chunk = 15; + ret = mipi_dsi_dcs_write(dsi, cmd, seqp, chunk); + if (ret < 0) { + DRM_DEV_ERROR(nt->dev, + "error sending DCS command seq cmd %02x\n", + cmd); + return ret; + } + cmdwritten += chunk; + seqp += chunk; + + while (cmdwritten < cmdlen) { + chunk = cmdlen - cmdwritten; + if (chunk > 15) + chunk = 15; + ret = mipi_dsi_generic_write(dsi, seqp, chunk); + if (ret < 0) { + DRM_DEV_ERROR(nt->dev, + "error sending generic write seq %02x\n", + cmd); + return ret; + } + cmdwritten += chunk; + seqp += chunk; + } + DRM_DEV_DEBUG(nt->dev, "sent command %02x %02x bytes\n", + cmd, cmdlen); + return 0; +} + +static int nt35510_read_id(struct nt35510 *nt) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev); + u8 id1, id2, id3; + int ret; + + ret = mipi_dsi_dcs_read(dsi, MCS_CMD_READ_ID1, &id1, 1); + if (ret < 0) { + DRM_DEV_ERROR(nt->dev, "could not read MTP ID1\n"); + return ret; + } + ret = mipi_dsi_dcs_read(dsi, MCS_CMD_READ_ID2, &id2, 1); + if (ret < 0) { + DRM_DEV_ERROR(nt->dev, "could not read MTP ID2\n"); + return ret; + } + ret = mipi_dsi_dcs_read(dsi, MCS_CMD_READ_ID3, &id3, 1); + if (ret < 0) { + DRM_DEV_ERROR(nt->dev, "could not read MTP ID3\n"); + return ret; + } + + /* + * Multi-Time Programmable (?) memory contains manufacturer + * ID (e.g. Hydis 0x55), driver ID (e.g. NT35510 0xc0) and + * version. + */ + DRM_DEV_INFO(nt->dev, + "MTP ID manufacturer: %02x version: %02x driver: %02x\n", + id1, id2, id3); + + return 0; +} + +/** + * nt35510_setup_power() - set up power config in page 1 + * @nt: the display instance to set up + */ +static int nt35510_setup_power(struct nt35510 *nt) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev); + int ret; + + ret = nt35510_send_long(nt, dsi, NT35510_P1_SETAVDD, + NT35510_P1_AVDD_LEN, + nt->conf->avdd); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_BT1CTR, + NT35510_P1_BT1CTR_LEN, + nt->conf->bt1ctr); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SETAVEE, + NT35510_P1_AVEE_LEN, + nt->conf->avee); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_BT2CTR, + NT35510_P1_BT2CTR_LEN, + nt->conf->bt2ctr); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGH, + NT35510_P1_VGH_LEN, + nt->conf->vgh); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_BT4CTR, + NT35510_P1_BT4CTR_LEN, + nt->conf->bt4ctr); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_VGHCTR, + ARRAY_SIZE(nt35510_vgh_on), + nt35510_vgh_on); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGL, + NT35510_P1_VGL_LEN, + nt->conf->vgl); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_BT5CTR, + NT35510_P1_BT5CTR_LEN, + nt->conf->bt5ctr); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGP, + NT35510_P1_VGP_LEN, + nt->conf->vgp); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGN, + NT35510_P1_VGN_LEN, + nt->conf->vgn); + if (ret) + return ret; + + /* Typically 10 ms */ + usleep_range(10000, 20000); + + return 0; +} + +/** + * nt35510_setup_display() - set up display config in page 0 + * @nt: the display instance to set up + */ +static int nt35510_setup_display(struct nt35510 *nt) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev); + const struct nt35510_config *conf = nt->conf; + u8 dopctr[NT35510_P0_DOPCTR_LEN]; + u8 gseqctr[NT35510_P0_GSEQCTR_LEN]; + u8 dpfrctr[NT35510_P0_DPFRCTR1_LEN]; + /* FIXME: set up any rotation (assume none for now) */ + u8 addr_mode = NT35510_ROTATE_0_SETTING; + u8 val; + int ret; + + /* Enable TE, EoTP and RGB pixel format */ + dopctr[0] = NT35510_DOPCTR_0_DSITE | NT35510_DOPCTR_0_EOTP | + NT35510_DOPCTR_0_N565; + dopctr[1] = NT35510_DOPCTR_1_CTB; + ret = nt35510_send_long(nt, dsi, NT35510_P0_DOPCTR, + NT35510_P0_DOPCTR_LEN, + dopctr); + if (ret) + return ret; + + ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_ADDRESS_MODE, &addr_mode, + sizeof(addr_mode)); + if (ret < 0) + return ret; + + /* + * Source data hold time, default 0x05 = 2.5us + * 0x00..0x3F = 0 .. 31.5us in steps of 0.5us + * 0x0A = 5us + */ + val = 0x0A; + ret = mipi_dsi_dcs_write(dsi, NT35510_P0_SDHDTCTR, &val, + sizeof(val)); + if (ret < 0) + return ret; + + /* EQ control for gate signals, 0x00 = 0 us */ + gseqctr[0] = 0x00; + gseqctr[1] = 0x00; + ret = nt35510_send_long(nt, dsi, NT35510_P0_GSEQCTR, + NT35510_P0_GSEQCTR_LEN, + gseqctr); + if (ret) + return ret; + + ret = nt35510_send_long(nt, dsi, NT35510_P0_SDEQCTR, + NT35510_P0_SDEQCTR_LEN, + conf->sdeqctr); + if (ret) + return ret; + + ret = mipi_dsi_dcs_write(dsi, NT35510_P0_SDVPCTR, + &conf->sdvpctr, 1); + if (ret < 0) + return ret; + + /* + * Display timing control for active and idle off mode: + * the first byte contains + * the two high bits of T1A and second byte the low 8 bits, and + * the valid range is 0x100 (257) to 0x3ff (1023) representing + * 258..1024 (+1) pixel clock ticks for one scanline. At 20MHz pixel + * clock this covers the range of 12.90us .. 51.20us in steps of + * 0.05us, the default is 0x184 (388) representing 389 ticks. + * The third byte is VBPDA, vertical back porch display active + * and the fourth VFPDA, vertical front porch display active, + * both given in number of scanlines in the range 0x02..0xff + * for 2..255 scanlines. The fifth byte is 2 bits selecting + * PSEL for active and idle off mode, how much the 20MHz clock + * is divided by 0..3. This needs to be adjusted to get the right + * frame rate. + */ + dpfrctr[0] = (conf->t1 >> 8) & 0xFF; + dpfrctr[1] = conf->t1 & 0xFF; + /* Vertical back porch */ + dpfrctr[2] = conf->vbp; + /* Vertical front porch */ + dpfrctr[3] = conf->vfp; + dpfrctr[4] = conf->psel; + ret = nt35510_send_long(nt, dsi, NT35510_P0_DPFRCTR1, + NT35510_P0_DPFRCTR1_LEN, + dpfrctr); + if (ret) + return ret; + /* For idle and partial idle off mode we decrease front porch by one */ + dpfrctr[3]--; + ret = nt35510_send_long(nt, dsi, NT35510_P0_DPFRCTR2, + NT35510_P0_DPFRCTR2_LEN, + dpfrctr); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P0_DPFRCTR3, + NT35510_P0_DPFRCTR3_LEN, + dpfrctr); + if (ret) + return ret; + + /* Enable TE on vblank */ + ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); + if (ret) + return ret; + + /* Turn on the pads? */ + ret = nt35510_send_long(nt, dsi, NT35510_P0_DPMCTR12, + NT35510_P0_DPMCTR12_LEN, + conf->dpmctr12); + if (ret) + return ret; + + return 0; +} + +static int nt35510_set_brightness(struct backlight_device *bl) +{ + struct nt35510 *nt = bl_get_data(bl); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev); + u8 brightness = bl->props.brightness; + int ret; + + DRM_DEV_DEBUG(nt->dev, "set brightness %d\n", brightness); + ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_BRIGHTNESS, + &brightness, + sizeof(brightness)); + if (ret < 0) + return ret; + + return 0; +} + +static const struct backlight_ops nt35510_bl_ops = { + .update_status = nt35510_set_brightness, +}; + +/* + * This power-on sequence + */ +static int nt35510_power_on(struct nt35510 *nt) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev); + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(nt->supplies), nt->supplies); + if (ret < 0) { + dev_err(nt->dev, "unable to enable regulators\n"); + return ret; + } + + /* Toggle RESET in accordance with datasheet page 370 */ + if (nt->reset_gpio) { + gpiod_set_value(nt->reset_gpio, 1); + /* Active min 10 us according to datasheet, let's say 20 */ + usleep_range(20, 1000); + gpiod_set_value(nt->reset_gpio, 0); + /* + * 5 ms during sleep mode, 120 ms during sleep out mode + * according to datasheet, let's use 120-140 ms. + */ + usleep_range(120000, 140000); + } + + ret = nt35510_read_id(nt); + if (ret) + return ret; + + /* Set up stuff in manufacturer control, page 1 */ + ret = nt35510_send_long(nt, dsi, MCS_CMD_MAUCCTR, + ARRAY_SIZE(nt35510_mauc_select_page_1), + nt35510_mauc_select_page_1); + if (ret) + return ret; + + ret = nt35510_setup_power(nt); + if (ret) + return ret; + + ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_POS, + NT35510_P1_GAMMA_LEN, + nt->conf->gamma_corr_pos_r); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_POS, + NT35510_P1_GAMMA_LEN, + nt->conf->gamma_corr_pos_g); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_POS, + NT35510_P1_GAMMA_LEN, + nt->conf->gamma_corr_pos_b); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_NEG, + NT35510_P1_GAMMA_LEN, + nt->conf->gamma_corr_neg_r); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_NEG, + NT35510_P1_GAMMA_LEN, + nt->conf->gamma_corr_neg_g); + if (ret) + return ret; + ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_NEG, + NT35510_P1_GAMMA_LEN, + nt->conf->gamma_corr_neg_b); + if (ret) + return ret; + + /* Set up stuff in manufacturer control, page 0 */ + ret = nt35510_send_long(nt, dsi, MCS_CMD_MAUCCTR, + ARRAY_SIZE(nt35510_mauc_select_page_0), + nt35510_mauc_select_page_0); + if (ret) + return ret; + + ret = nt35510_setup_display(nt); + if (ret) + return ret; + + return 0; +} + +static int nt35510_power_off(struct nt35510 *nt) +{ + int ret; + + ret = regulator_bulk_disable(ARRAY_SIZE(nt->supplies), nt->supplies); + if (ret) + return ret; + + if (nt->reset_gpio) + gpiod_set_value(nt->reset_gpio, 1); + + return 0; +} + +static int nt35510_unprepare(struct drm_panel *panel) +{ + struct nt35510 *nt = panel_to_nt35510(panel); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev); + int ret; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret) { + DRM_DEV_ERROR(nt->dev, "failed to turn display off (%d)\n", + ret); + return ret; + } + usleep_range(10000, 20000); + + /* Enter sleep mode */ + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret) { + DRM_DEV_ERROR(nt->dev, "failed to enter sleep mode (%d)\n", + ret); + return ret; + } + + /* Wait 4 frames, how much is that 5ms in the vendor driver */ + usleep_range(5000, 10000); + + ret = nt35510_power_off(nt); + if (ret) + return ret; + + return 0; +} + +static int nt35510_prepare(struct drm_panel *panel) +{ + struct nt35510 *nt = panel_to_nt35510(panel); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev); + int ret; + + ret = nt35510_power_on(nt); + if (ret) + return ret; + + /* Exit sleep mode */ + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret) { + DRM_DEV_ERROR(nt->dev, "failed to exit sleep mode (%d)\n", + ret); + return ret; + } + /* Up to 120 ms */ + usleep_range(120000, 150000); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret) { + DRM_DEV_ERROR(nt->dev, "failed to turn display on (%d)\n", + ret); + return ret; + } + /* Some 10 ms */ + usleep_range(10000, 20000); + + return 0; +} + +static int nt35510_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct nt35510 *nt = panel_to_nt35510(panel); + struct drm_display_mode *mode; + struct drm_display_info *info; + + info = &connector->display_info; + info->width_mm = nt->conf->width_mm; + info->height_mm = nt->conf->height_mm; + mode = drm_mode_duplicate(connector->dev, &nt->conf->mode); + if (!mode) { + DRM_ERROR("bad mode or failed to add mode\n"); + return -EINVAL; + } + drm_mode_set_name(mode); + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + + mode->width_mm = nt->conf->width_mm; + mode->height_mm = nt->conf->height_mm; + drm_mode_probed_add(connector, mode); + + return 1; /* Number of modes */ +} + +static const struct drm_panel_funcs nt35510_drm_funcs = { + .unprepare = nt35510_unprepare, + .prepare = nt35510_prepare, + .get_modes = nt35510_get_modes, +}; + +static int nt35510_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct nt35510 *nt; + int ret; + + nt = devm_kzalloc(dev, sizeof(struct nt35510), GFP_KERNEL); + if (!nt) + return -ENOMEM; + mipi_dsi_set_drvdata(dsi, nt); + nt->dev = dev; + + dsi->lanes = 2; + dsi->format = MIPI_DSI_FMT_RGB888; + /* + * Datasheet suggests max HS rate for NT35510 is 250 MHz + * (period time 4ns, see figure 7.6.4 page 365) and max LP rate is + * 20 MHz (period time 50ns, see figure 7.6.6. page 366). + * However these frequencies appear in source code for the Hydis + * HVA40WV1 panel and setting up the LP frequency makes the panel + * not work. + * + * TODO: if other panels prove to be closer to the datasheet, + * maybe make this a per-panel config in struct nt35510_config? + */ + dsi->hs_rate = 349440000; + dsi->lp_rate = 9600000; + dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS | + MIPI_DSI_MODE_EOT_PACKET; + + /* + * Every new incarnation of this display must have a unique + * data entry for the system in this driver. + */ + nt->conf = of_device_get_match_data(dev); + if (!nt->conf) { + dev_err(dev, "missing device configuration\n"); + return -ENODEV; + } + + nt->supplies[0].supply = "vdd"; /* 2.3-4.8 V */ + nt->supplies[1].supply = "vddi"; /* 1.65-3.3V */ + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(nt->supplies), + nt->supplies); + if (ret < 0) + return ret; + ret = regulator_set_voltage(nt->supplies[0].consumer, + 2300000, 4800000); + if (ret) + return ret; + ret = regulator_set_voltage(nt->supplies[1].consumer, + 1650000, 3300000); + if (ret) + return ret; + + nt->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS); + if (IS_ERR(nt->reset_gpio)) { + dev_err(dev, "error getting RESET GPIO\n"); + return PTR_ERR(nt->reset_gpio); + } + + drm_panel_init(&nt->panel, dev, &nt35510_drm_funcs, + DRM_MODE_CONNECTOR_DSI); + + /* + * First, try to locate an external backlight (such as on GPIO) + * if this fails, assume we will want to use the internal backlight + * control. + */ + ret = drm_panel_of_backlight(&nt->panel); + if (ret) { + dev_err(dev, "error getting external backlight %d\n", ret); + return ret; + } + if (!nt->panel.backlight) { + struct backlight_device *bl; + + bl = devm_backlight_device_register(dev, "nt35510", dev, nt, + &nt35510_bl_ops, NULL); + if (IS_ERR(bl)) { + DRM_DEV_ERROR(dev, "failed to register backlight device\n"); + return PTR_ERR(bl); + } + bl->props.max_brightness = 255; + bl->props.brightness = 255; + bl->props.power = FB_BLANK_POWERDOWN; + nt->panel.backlight = bl; + } + + ret = drm_panel_add(&nt->panel); + if (ret < 0) + return ret; + + ret = mipi_dsi_attach(dsi); + if (ret < 0) + drm_panel_remove(&nt->panel); + + return 0; +} + +static int nt35510_remove(struct mipi_dsi_device *dsi) +{ + struct nt35510 *nt = mipi_dsi_get_drvdata(dsi); + int ret; + + mipi_dsi_detach(dsi); + /* Power off */ + ret = nt35510_power_off(nt); + drm_panel_remove(&nt->panel); + + return ret; +} + +/* + * These gamma correction values are 10bit tuples, so only bits 0 and 1 is + * ever used in the first byte. They form a positive and negative gamma + * correction curve for each color, values must be strictly higher for each + * step on the curve. As can be seen these default curves goes from 0x0001 + * to 0x03FE. + */ +#define NT35510_GAMMA_POS_DEFAULT 0x00, 0x01, 0x00, 0x43, 0x00, \ + 0x6B, 0x00, 0x87, 0x00, 0xA3, 0x00, 0xCE, 0x00, 0xF1, 0x01, \ + 0x27, 0x01, 0x53, 0x01, 0x98, 0x01, 0xCE, 0x02, 0x22, 0x02, \ + 0x83, 0x02, 0x78, 0x02, 0x9E, 0x02, 0xDD, 0x03, 0x00, 0x03, \ + 0x2E, 0x03, 0x54, 0x03, 0x7F, 0x03, 0x95, 0x03, 0xB3, 0x03, \ + 0xC2, 0x03, 0xE1, 0x03, 0xF1, 0x03, 0xFE + +#define NT35510_GAMMA_NEG_DEFAULT 0x00, 0x01, 0x00, 0x43, 0x00, \ + 0x6B, 0x00, 0x87, 0x00, 0xA3, 0x00, 0xCE, 0x00, 0xF1, 0x01, \ + 0x27, 0x01, 0x53, 0x01, 0x98, 0x01, 0xCE, 0x02, 0x22, 0x02, \ + 0x43, 0x02, 0x50, 0x02, 0x9E, 0x02, 0xDD, 0x03, 0x00, 0x03, \ + 0x2E, 0x03, 0x54, 0x03, 0x7F, 0x03, 0x95, 0x03, 0xB3, 0x03, \ + 0xC2, 0x03, 0xE1, 0x03, 0xF1, 0x03, 0xFE + +/* + * The Hydis HVA40WV1 panel + */ +static const struct nt35510_config nt35510_hydis_hva40wv1 = { + .width_mm = 52, + .height_mm = 86, + /** + * As the Hydis panel is used in command mode, the porches etc + * are settings programmed internally into the NT35510 controller + * and generated toward the physical display. As the panel is not + * used in video mode, these are not really exposed to the DSI + * host. + * + * Display frame rate control: + * Frame rate = (20 MHz / 1) / (389 * (7 + 50 + 800)) ~= 60 Hz + */ + .mode = { + /* The internal pixel clock of the NT35510 is 20 MHz */ + .clock = 20000, + .hdisplay = 480, + .hsync_start = 480 + 2, /* HFP = 2 */ + .hsync_end = 480 + 2 + 0, /* HSync = 0 */ + .htotal = 480 + 2 + 0 + 5, /* HFP = 5 */ + .vdisplay = 800, + .vsync_start = 800 + 2, /* VFP = 2 */ + .vsync_end = 800 + 2 + 0, /* VSync = 0 */ + .vtotal = 800 + 2 + 0 + 5, /* VBP = 5 */ + .vrefresh = 60, /* Calculated */ + .flags = 0, + }, + /* 0x09: AVDD = 5.6V */ + .avdd = { 0x09, 0x09, 0x09 }, + /* 0x34: PCK = Hsync/2, BTP = 2 x VDDB */ + .bt1ctr = { 0x34, 0x34, 0x34 }, + /* 0x09: AVEE = -5.6V */ + .avee = { 0x09, 0x09, 0x09 }, + /* 0x24: NCK = Hsync/2, BTN = -2 x VDDB */ + .bt2ctr = { 0x24, 0x24, 0x24 }, + /* 0x05 = 12V */ + .vgh = { 0x05, 0x05, 0x05 }, + /* 0x24: NCKA = Hsync/2, VGH = 2 x AVDD - AVEE */ + .bt4ctr = { 0x24, 0x24, 0x24 }, + /* 0x0B = -13V */ + .vgl = { 0x0B, 0x0B, 0x0B }, + /* 0x24: LCKA = Hsync, VGL = AVDD + VCL - AVDD */ + .bt5ctr = { 0x24, 0x24, 0x24 }, + /* VGMP: 0x0A3 = 5.0375V, VGSP = 0V */ + .vgp = { 0x00, 0xA3, 0x00 }, + /* VGMP: 0x0A3 = 5.0375V, VGSP = 0V */ + .vgn = { 0x00, 0xA3, 0x00 }, + /* SDEQCTR: source driver EQ mode 2, 2.5 us rise time on each step */ + .sdeqctr = { 0x01, 0x05, 0x05, 0x05 }, + /* SDVPCTR: Normal operation off color during v porch */ + .sdvpctr = 0x01, + /* T1: number of pixel clocks on one scanline: 0x184 = 389 clocks */ + .t1 = 0x0184, + /* VBP: vertical back porch toward the panel */ + .vbp = 7, + /* VFP: vertical front porch toward the panel */ + .vfp = 50, + /* PSEL: divide pixel clock 20MHz with 1 (no clock downscaling) */ + .psel = 0, + /* DPTMCTR12: 0x03: LVGL = VGLX, overlap mode, swap R->L O->E */ + .dpmctr12 = { 0x03, 0x00, 0x00, }, + /* Default gamma correction values */ + .gamma_corr_pos_r = { NT35510_GAMMA_POS_DEFAULT }, + .gamma_corr_pos_g = { NT35510_GAMMA_POS_DEFAULT }, + .gamma_corr_pos_b = { NT35510_GAMMA_POS_DEFAULT }, + .gamma_corr_neg_r = { NT35510_GAMMA_NEG_DEFAULT }, + .gamma_corr_neg_g = { NT35510_GAMMA_NEG_DEFAULT }, + .gamma_corr_neg_b = { NT35510_GAMMA_NEG_DEFAULT }, +}; + +static const struct of_device_id nt35510_of_match[] = { + { + .compatible = "hydis,hva40wv1", + .data = &nt35510_hydis_hva40wv1, + }, + { } +}; +MODULE_DEVICE_TABLE(of, nt35510_of_match); + +static struct mipi_dsi_driver nt35510_driver = { + .probe = nt35510_probe, + .remove = nt35510_remove, + .driver = { + .name = "panel-novatek-nt35510", + .of_match_table = nt35510_of_match, + }, +}; +module_mipi_dsi_driver(nt35510_driver); + +MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>"); +MODULE_DESCRIPTION("NT35510-based panel driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/panel/panel-samsung-ld9040.c b/drivers/gpu/drm/panel/panel-samsung-ld9040.c index 3c52f15f7a1c..9bb2e8c7934a 100644 --- a/drivers/gpu/drm/panel/panel-samsung-ld9040.c +++ b/drivers/gpu/drm/panel/panel-samsung-ld9040.c @@ -373,6 +373,12 @@ static const struct of_device_id ld9040_of_match[] = { }; MODULE_DEVICE_TABLE(of, ld9040_of_match); +static const struct spi_device_id ld9040_ids[] = { + { "ld9040", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(spi, ld9040_ids); + static struct spi_driver ld9040_driver = { .probe = ld9040_probe, .remove = ld9040_remove, diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c b/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c new file mode 100644 index 000000000000..9d843fcc3a22 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c @@ -0,0 +1,293 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (C) 2019, Michael Srba + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <video/mipi_display.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +struct s6e88a0_ams452ef01 { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct regulator_bulk_data supplies[2]; + struct gpio_desc *reset_gpio; + + bool prepared; +}; + +static inline struct +s6e88a0_ams452ef01 *to_s6e88a0_ams452ef01(struct drm_panel *panel) +{ + return container_of(panel, struct s6e88a0_ams452ef01, 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 s6e88a0_ams452ef01_reset(struct s6e88a0_ams452ef01 *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(5000, 6000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(1000, 2000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(10000, 11000); +} + +static int s6e88a0_ams452ef01_on(struct s6e88a0_ams452ef01 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a); // enable LEVEL2 commands + dsi_dcs_write_seq(dsi, 0xcc, 0x4c); // set Pixel Clock Divider polarity + + 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(120); + + // set default brightness/gama + dsi_dcs_write_seq(dsi, 0xca, + 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, // V255 RR,GG,BB + 0x80, 0x80, 0x80, // V203 R,G,B + 0x80, 0x80, 0x80, // V151 R,G,B + 0x80, 0x80, 0x80, // V87 R,G,B + 0x80, 0x80, 0x80, // V51 R,G,B + 0x80, 0x80, 0x80, // V35 R,G,B + 0x80, 0x80, 0x80, // V23 R,G,B + 0x80, 0x80, 0x80, // V11 R,G,B + 0x6b, 0x68, 0x71, // V3 R,G,B + 0x00, 0x00, 0x00); // V1 R,G,B + // set default Amoled Off Ratio + dsi_dcs_write_seq(dsi, 0xb2, 0x40, 0x0a, 0x17, 0x00, 0x0a); + dsi_dcs_write_seq(dsi, 0xb6, 0x2c, 0x0b); // set default elvss voltage + dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00); + dsi_dcs_write_seq(dsi, 0xf7, 0x03); // gamma/aor update + dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5); // disable LEVEL2 commands + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display on: %d\n", ret); + return ret; + } + + return 0; +} + +static int s6e88a0_ams452ef01_off(struct s6e88a0_ams452ef01 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display off: %d\n", ret); + return ret; + } + msleep(35); + + 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 s6e88a0_ams452ef01_prepare(struct drm_panel *panel) +{ + struct s6e88a0_ams452ef01 *ctx = to_s6e88a0_ams452ef01(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators: %d\n", ret); + return ret; + } + + s6e88a0_ams452ef01_reset(ctx); + + ret = s6e88a0_ams452ef01_on(ctx); + if (ret < 0) { + dev_err(dev, "Failed to initialize panel: %d\n", ret); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), + ctx->supplies); + return ret; + } + + ctx->prepared = true; + return 0; +} + +static int s6e88a0_ams452ef01_unprepare(struct drm_panel *panel) +{ + struct s6e88a0_ams452ef01 *ctx = to_s6e88a0_ams452ef01(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (!ctx->prepared) + return 0; + + ret = s6e88a0_ams452ef01_off(ctx); + if (ret < 0) + dev_err(dev, "Failed to un-initialize panel: %d\n", ret); + + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + + ctx->prepared = false; + return 0; +} + +static const struct drm_display_mode s6e88a0_ams452ef01_mode = { + .clock = (540 + 88 + 4 + 20) * (960 + 14 + 2 + 8) * 60 / 1000, + .hdisplay = 540, + .hsync_start = 540 + 88, + .hsync_end = 540 + 88 + 4, + .htotal = 540 + 88 + 4 + 20, + .vdisplay = 960, + .vsync_start = 960 + 14, + .vsync_end = 960 + 14 + 2, + .vtotal = 960 + 14 + 2 + 8, + .vrefresh = 60, + .width_mm = 56, + .height_mm = 100, +}; + +static int s6e88a0_ams452ef01_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &s6e88a0_ams452ef01_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 s6e88a0_ams452ef01_panel_funcs = { + .unprepare = s6e88a0_ams452ef01_unprepare, + .prepare = s6e88a0_ams452ef01_prepare, + .get_modes = s6e88a0_ams452ef01_get_modes, +}; + +static int s6e88a0_ams452ef01_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct s6e88a0_ams452ef01 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->supplies[0].supply = "vdd3"; + ctx->supplies[1].supply = "vci"; + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) { + dev_err(dev, "Failed to get regulators: %d\n", ret); + return ret; + } + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset_gpio)) { + ret = PTR_ERR(ctx->reset_gpio); + dev_err(dev, "Failed to get reset-gpios: %d\n", ret); + return ret; + } + + ctx->dsi = dsi; + mipi_dsi_set_drvdata(dsi, ctx); + + dsi->lanes = 2; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST; + + drm_panel_init(&ctx->panel, dev, &s6e88a0_ams452ef01_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_add(&ctx->panel); + if (ret < 0) { + dev_err(dev, "Failed to add panel: %d\n", ret); + return ret; + } + + 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 int s6e88a0_ams452ef01_remove(struct mipi_dsi_device *dsi) +{ + struct s6e88a0_ams452ef01 *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); + + return 0; +} + +static const struct of_device_id s6e88a0_ams452ef01_of_match[] = { + { .compatible = "samsung,s6e88a0-ams452ef01" }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, s6e88a0_ams452ef01_of_match); + +static struct mipi_dsi_driver s6e88a0_ams452ef01_driver = { + .probe = s6e88a0_ams452ef01_probe, + .remove = s6e88a0_ams452ef01_remove, + .driver = { + .name = "panel-s6e88a0-ams452ef01", + .of_match_table = s6e88a0_ams452ef01_of_match, + }, +}; +module_mipi_dsi_driver(s6e88a0_ams452ef01_driver); + +MODULE_AUTHOR("Michael Srba <Michael.Srba@seznam.cz>"); +MODULE_DESCRIPTION("MIPI-DSI based Panel Driver for AMS452EF01 AMOLED LCD with a S6E88A0 controller"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index e14c14ac62b5..3ad828eaefe1 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -351,6 +351,54 @@ static const struct drm_panel_funcs panel_simple_funcs = { .get_timings = panel_simple_get_timings, }; +static struct panel_desc panel_dpi; + +static int panel_dpi_probe(struct device *dev, + struct panel_simple *panel) +{ + struct display_timing *timing; + const struct device_node *np; + struct panel_desc *desc; + unsigned int bus_flags; + struct videomode vm; + int ret; + + np = dev->of_node; + desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL); + if (!desc) + return -ENOMEM; + + timing = devm_kzalloc(dev, sizeof(*timing), GFP_KERNEL); + if (!timing) + return -ENOMEM; + + ret = of_get_display_timing(np, "panel-timing", timing); + if (ret < 0) { + dev_err(dev, "%pOF: no panel-timing node found for \"panel-dpi\" binding\n", + np); + return ret; + } + + desc->timings = timing; + desc->num_timings = 1; + + of_property_read_u32(np, "width-mm", &desc->size.width); + of_property_read_u32(np, "height-mm", &desc->size.height); + + /* Extract bus_flags from display_timing */ + bus_flags = 0; + vm.flags = timing->flags; + drm_bus_flags_from_videomode(&vm, &bus_flags); + desc->bus_flags = bus_flags; + + /* We do not know the connector for the DT node, so guess it */ + desc->connector_type = DRM_MODE_CONNECTOR_DPI; + + panel->desc = desc; + + return 0; +} + #define PANEL_SIMPLE_BOUNDS_CHECK(to_check, bounds, field) \ (to_check->field.typ >= bounds->field.min && \ to_check->field.typ <= bounds->field.max) @@ -437,8 +485,15 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) return -EPROBE_DEFER; } - if (!of_get_display_timing(dev->of_node, "panel-timing", &dt)) - panel_simple_parse_panel_timing_node(dev, panel, &dt); + if (desc == &panel_dpi) { + /* Handle the generic panel-dpi binding */ + err = panel_dpi_probe(dev, panel); + if (err) + goto free_ddc; + } else { + if (!of_get_display_timing(dev->of_node, "panel-timing", &dt)) + panel_simple_parse_panel_timing_node(dev, panel, &dt); + } drm_panel_init(&panel->base, dev, &panel_simple_funcs, desc->connector_type); @@ -1301,6 +1356,37 @@ static const struct panel_desc edt_et035012dm6 = { .bus_flags = DRM_BUS_FLAG_DE_LOW | DRM_BUS_FLAG_PIXDATA_NEGEDGE, }; +static const struct drm_display_mode edt_etm043080dh6gp_mode = { + .clock = 10870, + .hdisplay = 480, + .hsync_start = 480 + 8, + .hsync_end = 480 + 8 + 4, + .htotal = 480 + 8 + 4 + 41, + + /* + * IWG22M: Y resolution changed for "dc_linuxfb" module crashing while + * fb_align + */ + + .vdisplay = 288, + .vsync_start = 288 + 2, + .vsync_end = 288 + 2 + 4, + .vtotal = 288 + 2 + 4 + 10, + .vrefresh = 60, +}; + +static const struct panel_desc edt_etm043080dh6gp = { + .modes = &edt_etm043080dh6gp_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 100, + .height = 65, + }, + .bus_format = MEDIA_BUS_FMT_RGB666_1X18, + .connector_type = DRM_MODE_CONNECTOR_DPI, +}; + static const struct drm_display_mode edt_etm0430g0dh6_mode = { .clock = 9000, .hdisplay = 480, @@ -1440,6 +1526,33 @@ static const struct panel_desc foxlink_fl500wvr00_a0t = { .bus_format = MEDIA_BUS_FMT_RGB888_1X24, }; +static const struct drm_display_mode frida_frd350h54004_mode = { + .clock = 6000, + .hdisplay = 320, + .hsync_start = 320 + 44, + .hsync_end = 320 + 44 + 16, + .htotal = 320 + 44 + 16 + 20, + .vdisplay = 240, + .vsync_start = 240 + 2, + .vsync_end = 240 + 2 + 6, + .vtotal = 240 + 2 + 6 + 2, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC, +}; + +static const struct panel_desc frida_frd350h54004 = { + .modes = &frida_frd350h54004_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 77, + .height = 64, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_POSEDGE, + .connector_type = DRM_MODE_CONNECTOR_DPI, +}; + static const struct drm_display_mode friendlyarm_hd702e_mode = { .clock = 67185, .hdisplay = 800, @@ -2080,6 +2193,64 @@ static const struct panel_desc lg_lp129qe = { }, }; +static const struct display_timing logictechno_lt161010_2nh_timing = { + .pixelclock = { 26400000, 33300000, 46800000 }, + .hactive = { 800, 800, 800 }, + .hfront_porch = { 16, 210, 354 }, + .hback_porch = { 46, 46, 46 }, + .hsync_len = { 1, 20, 40 }, + .vactive = { 480, 480, 480 }, + .vfront_porch = { 7, 22, 147 }, + .vback_porch = { 23, 23, 23 }, + .vsync_len = { 1, 10, 20 }, + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | + DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE | + DISPLAY_FLAGS_SYNC_POSEDGE, +}; + +static const struct panel_desc logictechno_lt161010_2nh = { + .timings = &logictechno_lt161010_2nh_timing, + .num_timings = 1, + .size = { + .width = 154, + .height = 86, + }, + .bus_format = MEDIA_BUS_FMT_RGB666_1X18, + .bus_flags = DRM_BUS_FLAG_DE_HIGH | + DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE | + DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE, + .connector_type = DRM_MODE_CONNECTOR_DPI, +}; + +static const struct display_timing logictechno_lt170410_2whc_timing = { + .pixelclock = { 68900000, 71100000, 73400000 }, + .hactive = { 1280, 1280, 1280 }, + .hfront_porch = { 23, 60, 71 }, + .hback_porch = { 23, 60, 71 }, + .hsync_len = { 15, 40, 47 }, + .vactive = { 800, 800, 800 }, + .vfront_porch = { 5, 7, 10 }, + .vback_porch = { 5, 7, 10 }, + .vsync_len = { 6, 9, 12 }, + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | + DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE | + DISPLAY_FLAGS_SYNC_POSEDGE, +}; + +static const struct panel_desc logictechno_lt170410_2whc = { + .timings = &logictechno_lt170410_2whc_timing, + .num_timings = 1, + .size = { + .width = 217, + .height = 136, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG, + .bus_flags = DRM_BUS_FLAG_DE_HIGH | + DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE | + DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE, + .connector_type = DRM_MODE_CONNECTOR_LVDS, +}; + static const struct drm_display_mode mitsubishi_aa070mc01_mode = { .clock = 30400, .hdisplay = 800, @@ -2095,7 +2266,7 @@ static const struct drm_display_mode mitsubishi_aa070mc01_mode = { }; static const struct drm_display_mode logicpd_type_28_mode = { - .clock = 9000, + .clock = 9107, .hdisplay = 480, .hsync_start = 480 + 3, .hsync_end = 480 + 3 + 42, @@ -2224,6 +2395,51 @@ static const struct panel_desc netron_dy_e231732 = { .bus_format = MEDIA_BUS_FMT_RGB666_1X18, }; +static const struct drm_display_mode neweast_wjfh116008a_modes[] = { + { + .clock = 138500, + .hdisplay = 1920, + .hsync_start = 1920 + 48, + .hsync_end = 1920 + 48 + 32, + .htotal = 1920 + 48 + 32 + 80, + .vdisplay = 1080, + .vsync_start = 1080 + 3, + .vsync_end = 1080 + 3 + 5, + .vtotal = 1080 + 3 + 5 + 23, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, + }, { + .clock = 110920, + .hdisplay = 1920, + .hsync_start = 1920 + 48, + .hsync_end = 1920 + 48 + 32, + .htotal = 1920 + 48 + 32 + 80, + .vdisplay = 1080, + .vsync_start = 1080 + 3, + .vsync_end = 1080 + 3 + 5, + .vtotal = 1080 + 3 + 5 + 23, + .vrefresh = 48, + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, + } +}; + +static const struct panel_desc neweast_wjfh116008a = { + .modes = neweast_wjfh116008a_modes, + .num_modes = 2, + .bpc = 6, + .size = { + .width = 260, + .height = 150, + }, + .delay = { + .prepare = 110, + .enable = 20, + .unprepare = 500, + }, + .bus_format = MEDIA_BUS_FMT_RGB666_1X18, + .connector_type = DRM_MODE_CONNECTOR_eDP, +}; + static const struct drm_display_mode newhaven_nhd_43_480272ef_atxl_mode = { .clock = 9000, .hdisplay = 480, @@ -2390,15 +2606,15 @@ static const struct panel_desc ontat_yx700wv03 = { }; static const struct drm_display_mode ortustech_com37h3m_mode = { - .clock = 22153, + .clock = 22230, .hdisplay = 480, - .hsync_start = 480 + 8, - .hsync_end = 480 + 8 + 10, - .htotal = 480 + 8 + 10 + 10, + .hsync_start = 480 + 40, + .hsync_end = 480 + 40 + 10, + .htotal = 480 + 40 + 10 + 40, .vdisplay = 640, .vsync_start = 640 + 4, - .vsync_end = 640 + 4 + 3, - .vtotal = 640 + 4 + 3 + 4, + .vsync_end = 640 + 4 + 2, + .vtotal = 640 + 4 + 2 + 4, .vrefresh = 60, .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, }; @@ -2439,6 +2655,7 @@ static const struct panel_desc ortustech_com43h4m85ulc = { }, .bus_format = MEDIA_BUS_FMT_RGB888_1X24, .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE, + .connector_type = DRM_MODE_CONNECTOR_DPI, }; static const struct drm_display_mode osddisplays_osd070t1718_19ts_mode = { @@ -2464,7 +2681,8 @@ static const struct panel_desc osddisplays_osd070t1718_19ts = { .height = 91, }, .bus_format = MEDIA_BUS_FMT_RGB888_1X24, - .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE, + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE | + DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE, .connector_type = DRM_MODE_CONNECTOR_DPI, }; @@ -2546,6 +2764,35 @@ static const struct panel_desc rocktech_rk070er9427 = { .bus_format = MEDIA_BUS_FMT_RGB666_1X18, }; +static const struct drm_display_mode rocktech_rk101ii01d_ct_mode = { + .clock = 71100, + .hdisplay = 1280, + .hsync_start = 1280 + 48, + .hsync_end = 1280 + 48 + 32, + .htotal = 1280 + 48 + 32 + 80, + .vdisplay = 800, + .vsync_start = 800 + 2, + .vsync_end = 800 + 2 + 5, + .vtotal = 800 + 2 + 5 + 16, + .vrefresh = 60, +}; + +static const struct panel_desc rocktech_rk101ii01d_ct = { + .modes = &rocktech_rk101ii01d_ct_mode, + .num_modes = 1, + .size = { + .width = 217, + .height = 136, + }, + .delay = { + .prepare = 50, + .disable = 50, + }, + .bus_flags = DRM_BUS_FLAG_DE_HIGH, + .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG, + .connector_type = DRM_MODE_CONNECTOR_LVDS, +}; + static const struct drm_display_mode samsung_lsn122dl01_c01_mode = { .clock = 271560, .hdisplay = 2560, @@ -2768,30 +3015,6 @@ static const struct panel_desc sharp_lq123p1jx31 = { }, }; -static const struct drm_display_mode sharp_lq150x1lg11_mode = { - .clock = 71100, - .hdisplay = 1024, - .hsync_start = 1024 + 168, - .hsync_end = 1024 + 168 + 64, - .htotal = 1024 + 168 + 64 + 88, - .vdisplay = 768, - .vsync_start = 768 + 37, - .vsync_end = 768 + 37 + 2, - .vtotal = 768 + 37 + 2 + 8, - .vrefresh = 60, -}; - -static const struct panel_desc sharp_lq150x1lg11 = { - .modes = &sharp_lq150x1lg11_mode, - .num_modes = 1, - .bpc = 6, - .size = { - .width = 304, - .height = 228, - }, - .bus_format = MEDIA_BUS_FMT_RGB565_1X16, -}; - static const struct display_timing sharp_ls020b1dd01d_timing = { .pixelclock = { 2000000, 4200000, 5000000 }, .hactive = { 240, 240, 240 }, @@ -3023,7 +3246,7 @@ static const struct panel_desc toshiba_lt089ac29000 = { .width = 194, .height = 116, }, - .bus_format = MEDIA_BUS_FMT_RGB888_1X24, + .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA, .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE, .connector_type = DRM_MODE_CONNECTOR_LVDS, }; @@ -3286,6 +3509,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "edt,et035012dm6", .data = &edt_et035012dm6, }, { + .compatible = "edt,etm043080dh6gp", + .data = &edt_etm043080dh6gp, + }, { .compatible = "edt,etm0430g0dh6", .data = &edt_etm0430g0dh6, }, { @@ -3310,6 +3536,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "foxlink,fl500wvr00-a0t", .data = &foxlink_fl500wvr00_a0t, }, { + .compatible = "frida,frd350h54004", + .data = &frida_frd350h54004, + }, { .compatible = "friendlyarm,hd702e", .data = &friendlyarm_hd702e, }, { @@ -3388,6 +3617,15 @@ static const struct of_device_id platform_of_match[] = { .compatible = "logicpd,type28", .data = &logicpd_type_28, }, { + .compatible = "logictechno,lt161010-2nhc", + .data = &logictechno_lt161010_2nh, + }, { + .compatible = "logictechno,lt161010-2nhr", + .data = &logictechno_lt161010_2nh, + }, { + .compatible = "logictechno,lt170410-2whc", + .data = &logictechno_lt170410_2whc, + }, { .compatible = "mitsubishi,aa070mc01-ca1", .data = &mitsubishi_aa070mc01, }, { @@ -3400,6 +3638,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "netron-dy,e231732", .data = &netron_dy_e231732, }, { + .compatible = "neweast,wjfh116008a", + .data = &neweast_wjfh116008a, + }, { .compatible = "newhaven,nhd-4.3-480272ef-atxl", .data = &newhaven_nhd_43_480272ef_atxl, }, { @@ -3439,6 +3680,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "rocktech,rk070er9427", .data = &rocktech_rk070er9427, }, { + .compatible = "rocktech,rk101ii01d-ct", + .data = &rocktech_rk101ii01d_ct, + }, { .compatible = "samsung,lsn122dl01-c01", .data = &samsung_lsn122dl01_c01, }, { @@ -3466,9 +3710,6 @@ static const struct of_device_id platform_of_match[] = { .compatible = "sharp,lq123p1jx31", .data = &sharp_lq123p1jx31, }, { - .compatible = "sharp,lq150x1lg11", - .data = &sharp_lq150x1lg11, - }, { .compatible = "sharp,ls020b1dd01d", .data = &sharp_ls020b1dd01d, }, { @@ -3526,6 +3767,10 @@ static const struct of_device_id platform_of_match[] = { .compatible = "winstar,wf35ltiacd", .data = &winstar_wf35ltiacd, }, { + /* Must be the last entry */ + .compatible = "panel-dpi", + .data = &panel_dpi, + }, { /* sentinel */ } }; diff --git a/drivers/gpu/drm/panel/panel-sony-acx424akp.c b/drivers/gpu/drm/panel/panel-sony-acx424akp.c index de0abf76ae6f..c91e55b2d7a3 100644 --- a/drivers/gpu/drm/panel/panel-sony-acx424akp.c +++ b/drivers/gpu/drm/panel/panel-sony-acx424akp.c @@ -48,7 +48,7 @@ struct acx424akp { }; static const struct drm_display_mode sony_acx424akp_vid_mode = { - .clock = 330000, + .clock = 27234, .hdisplay = 480, .hsync_start = 480 + 15, .hsync_end = 480 + 15 + 0, @@ -68,7 +68,7 @@ static const struct drm_display_mode sony_acx424akp_vid_mode = { * command mode using the maximum HS frequency. */ static const struct drm_display_mode sony_acx424akp_cmd_mode = { - .clock = 420160, + .clock = 35478, .hdisplay = 480, .hsync_start = 480 + 154, .hsync_end = 480 + 154 + 16, diff --git a/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c b/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c index cf29405a2dbe..aeca15dfeb3c 100644 --- a/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c +++ b/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c @@ -86,7 +86,12 @@ struct td028ttec1_panel { #define to_td028ttec1_device(p) container_of(p, struct td028ttec1_panel, panel) -static int jbt_ret_write_0(struct td028ttec1_panel *lcd, u8 reg, int *err) +/* + * noinline_for_stack so we don't get multiple copies of tx_buf + * on the stack in case of gcc-plugin-structleak + */ +static int noinline_for_stack +jbt_ret_write_0(struct td028ttec1_panel *lcd, u8 reg, int *err) { struct spi_device *spi = lcd->spi; u16 tx_buf = JBT_COMMAND | reg; @@ -105,8 +110,9 @@ static int jbt_ret_write_0(struct td028ttec1_panel *lcd, u8 reg, int *err) return ret; } -static int jbt_reg_write_1(struct td028ttec1_panel *lcd, - u8 reg, u8 data, int *err) +static int noinline_for_stack +jbt_reg_write_1(struct td028ttec1_panel *lcd, + u8 reg, u8 data, int *err) { struct spi_device *spi = lcd->spi; u16 tx_buf[2]; @@ -128,8 +134,9 @@ static int jbt_reg_write_1(struct td028ttec1_panel *lcd, return ret; } -static int jbt_reg_write_2(struct td028ttec1_panel *lcd, - u8 reg, u16 data, int *err) +static int noinline_for_stack +jbt_reg_write_2(struct td028ttec1_panel *lcd, + u8 reg, u16 data, int *err) { struct spi_device *spi = lcd->spi; u16 tx_buf[3]; |