[PATCH wn 4/4] drm/panel: support for auo,kd101n80-45na wuxga dsi video mode panel

Jitao Shi
2019-08-11T09:10:01Z

Auo,kd101n80-45na's connector is same as boe,tv101wum-nl6.
The most codes can be reuse.
So auo,kd101n80-45na and boe,tv101wum-nl6 use one driver file.
Add the different parts in driver data.

Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
---
drivers/gpu/drm/panel/Kconfig | 6 +-
.../gpu/drm/panel/panel-boe-tv101wum-nl6.c | 76 ++++++++++++++++---
2 files changed, 67 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index afcadb3585fb..0e887c978796 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -19,13 +19,13 @@ config DRM_PANEL_ARM_VERSATILE
in the Versatile family syscon registers.

config DRM_PANEL_BOE_TV101WUM_NL6
- tristate "BOE TV101WUM 1200x1920 panel"
+ 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 WUXGA PANEL
- DSI Video Mode panel
+ 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"
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
index c0e27f0b2713..aef4f8034c5b 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -35,6 +35,7 @@ struct panel_desc {
enum mipi_dsi_pixel_format format;
const struct panel_init_cmd *init_cmds;
unsigned int lanes;
+ bool discharge_on_disable;
};

struct boe_panel {
@@ -372,6 +373,15 @@ static const struct panel_init_cmd boe_init_cmd[] = {
{},
};

+static const struct panel_init_cmd auo_init_cmd[] = {
+ _INIT_DELAY_CMD(24),
+ _INIT_DCS_CMD(0x11),
+ _INIT_DELAY_CMD(120),
+ _INIT_DCS_CMD(0x29),
+ _INIT_DELAY_CMD(120),
+ {},
+};
+
static inline struct boe_panel *to_boe_panel(struct drm_panel *panel)
{
return container_of(panel, struct boe_panel, base);
@@ -449,20 +459,30 @@ static int boe_panel_unprepare(struct drm_panel *panel)
if (!boe->prepared)
return 0;

- ret = boe_panel_off(boe);
- if (ret < 0) {
- dev_err(panel->dev, "failed to set panel off: %d\n", ret);
- return ret;
+ if (boe->desc->discharge_on_disable) {
+ msleep(150);
+ 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 {
+ ret = boe_panel_off(boe);
+ if (ret < 0) {
+ dev_err(panel->dev, "failed to set panel off: %d\n",
+ ret);
+ return ret;
+ }
+ msleep(150);
+ gpiod_set_value(boe->enable_gpio, 0);
+ usleep_range(500, 1000);
+ regulator_disable(boe->avee);
+ regulator_disable(boe->avdd);
+ usleep_range(5000, 7000);
+ regulator_disable(boe->pp1800);
}

- msleep(150);
- gpiod_set_value(boe->enable_gpio, 0);
- usleep_range(500, 1000);
- regulator_disable(boe->avee);
- regulator_disable(boe->avdd);
- usleep_range(5000, 7000);
- regulator_disable(boe->pp1800);
-
boe->prepared = false;

return 0;
@@ -564,6 +584,35 @@ static const struct panel_desc boe_tv101wum_nl6_desc = {
.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_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_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_init_cmd,
+ .discharge_on_disable = true,
};

static int boe_panel_get_modes(struct drm_panel *panel)
@@ -689,6 +738,9 @@ 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
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, boe_of_match);
--
2.21.0