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path: root/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
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Diffstat (limited to 'drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c')
-rw-r--r--drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c255
1 files changed, 95 insertions, 160 deletions
diff --git a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
index 55172d63a922..fc6516373b5d 100644
--- a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
+++ b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
@@ -52,7 +52,6 @@ struct xpp055c272 {
struct gpio_desc *reset_gpio;
struct regulator *vci;
struct regulator *iovcc;
- bool prepared;
};
static inline struct xpp055c272 *panel_to_xpp055c272(struct drm_panel *panel)
@@ -60,108 +59,84 @@ static inline struct xpp055c272 *panel_to_xpp055c272(struct drm_panel *panel)
return container_of(panel, struct xpp055c272, panel);
}
-#define dsi_generic_write_seq(dsi, cmd, seq...) do { \
- static const u8 b[] = { cmd, seq }; \
- int ret; \
- ret = mipi_dsi_dcs_write_buffer(dsi, b, ARRAY_SIZE(b)); \
- if (ret < 0) \
- return ret; \
- } while (0)
-
-static int xpp055c272_init_sequence(struct xpp055c272 *ctx)
+static void xpp055c272_init_sequence(struct mipi_dsi_multi_context *dsi_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 without much
* documentation.
*/
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETEXTC, 0xf1, 0x12, 0x83);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETMIPI,
- 0x33, 0x81, 0x05, 0xf9, 0x0e, 0x0e, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x25,
- 0x00, 0x91, 0x0a, 0x00, 0x00, 0x02, 0x4f, 0x01,
- 0x00, 0x00, 0x37);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETPOWER_EXT, 0x25);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETPCR, 0x02, 0x11, 0x00);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETRGBIF,
- 0x0c, 0x10, 0x0a, 0x50, 0x03, 0xff, 0x00, 0x00,
- 0x00, 0x00);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETSCR,
- 0x73, 0x73, 0x50, 0x50, 0x00, 0x00, 0x08, 0x70,
- 0x00);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETVDC, 0x46);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETPANEL, 0x0b);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETCYC, 0x80);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETDISP, 0xc8, 0x12, 0x30);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETEQ,
- 0x07, 0x07, 0x0B, 0x0B, 0x03, 0x0B, 0x00, 0x00,
- 0x00, 0x00, 0xFF, 0x00, 0xC0, 0x10);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETPOWER,
- 0x53, 0x00, 0x1e, 0x1e, 0x77, 0xe1, 0xcc, 0xdd,
- 0x67, 0x77, 0x33, 0x33);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETECO, 0x00, 0x00, 0xff,
- 0xff, 0x01, 0xff);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETBGP, 0x09, 0x09);
- msleep(20);
-
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETVCOM, 0x87, 0x95);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETGIP1,
- 0xc2, 0x10, 0x05, 0x05, 0x10, 0x05, 0xa0, 0x12,
- 0x31, 0x23, 0x3f, 0x81, 0x0a, 0xa0, 0x37, 0x18,
- 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x80,
- 0x01, 0x00, 0x00, 0x00, 0x48, 0xf8, 0x86, 0x42,
- 0x08, 0x88, 0x88, 0x80, 0x88, 0x88, 0x88, 0x58,
- 0xf8, 0x87, 0x53, 0x18, 0x88, 0x88, 0x81, 0x88,
- 0x88, 0x88, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETGIP2,
- 0x00, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x1f, 0x88, 0x81, 0x35,
- 0x78, 0x88, 0x88, 0x85, 0x88, 0x88, 0x88, 0x0f,
- 0x88, 0x80, 0x24, 0x68, 0x88, 0x88, 0x84, 0x88,
- 0x88, 0x88, 0x23, 0x10, 0x00, 0x00, 0x1c, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x05,
- 0xa0, 0x00, 0x00, 0x00, 0x00);
- dsi_generic_write_seq(dsi, XPP055C272_CMD_SETGAMMA,
- 0x00, 0x06, 0x08, 0x2a, 0x31, 0x3f, 0x38, 0x36,
- 0x07, 0x0c, 0x0d, 0x11, 0x13, 0x12, 0x13, 0x11,
- 0x18, 0x00, 0x06, 0x08, 0x2a, 0x31, 0x3f, 0x38,
- 0x36, 0x07, 0x0c, 0x0d, 0x11, 0x13, 0x12, 0x13,
- 0x11, 0x18);
-
- msleep(60);
-
- dev_dbg(dev, "Panel init sequence done\n");
- return 0;
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETEXTC, 0xf1, 0x12, 0x83);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETMIPI,
+ 0x33, 0x81, 0x05, 0xf9, 0x0e, 0x0e, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x25,
+ 0x00, 0x91, 0x0a, 0x00, 0x00, 0x02, 0x4f, 0x01,
+ 0x00, 0x00, 0x37);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETPOWER_EXT, 0x25);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETPCR, 0x02, 0x11, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETRGBIF,
+ 0x0c, 0x10, 0x0a, 0x50, 0x03, 0xff, 0x00, 0x00,
+ 0x00, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETSCR,
+ 0x73, 0x73, 0x50, 0x50, 0x00, 0x00, 0x08, 0x70,
+ 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETVDC, 0x46);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETPANEL, 0x0b);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETCYC, 0x80);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETDISP, 0xc8, 0x12, 0x30);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETEQ,
+ 0x07, 0x07, 0x0b, 0x0b, 0x03, 0x0b, 0x00, 0x00,
+ 0x00, 0x00, 0xff, 0x00, 0xC0, 0x10);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETPOWER,
+ 0x53, 0x00, 0x1e, 0x1e, 0x77, 0xe1, 0xcc, 0xdd,
+ 0x67, 0x77, 0x33, 0x33);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETECO, 0x00, 0x00, 0xff,
+ 0xff, 0x01, 0xff);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETBGP, 0x09, 0x09);
+ mipi_dsi_msleep(dsi_ctx, 20);
+
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETVCOM, 0x87, 0x95);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETGIP1,
+ 0xc2, 0x10, 0x05, 0x05, 0x10, 0x05, 0xa0, 0x12,
+ 0x31, 0x23, 0x3f, 0x81, 0x0a, 0xa0, 0x37, 0x18,
+ 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x80,
+ 0x01, 0x00, 0x00, 0x00, 0x48, 0xf8, 0x86, 0x42,
+ 0x08, 0x88, 0x88, 0x80, 0x88, 0x88, 0x88, 0x58,
+ 0xf8, 0x87, 0x53, 0x18, 0x88, 0x88, 0x81, 0x88,
+ 0x88, 0x88, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETGIP2,
+ 0x00, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x1f, 0x88, 0x81, 0x35,
+ 0x78, 0x88, 0x88, 0x85, 0x88, 0x88, 0x88, 0x0f,
+ 0x88, 0x80, 0x24, 0x68, 0x88, 0x88, 0x84, 0x88,
+ 0x88, 0x88, 0x23, 0x10, 0x00, 0x00, 0x1c, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x05,
+ 0xa0, 0x00, 0x00, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, XPP055C272_CMD_SETGAMMA,
+ 0x00, 0x06, 0x08, 0x2a, 0x31, 0x3f, 0x38, 0x36,
+ 0x07, 0x0c, 0x0d, 0x11, 0x13, 0x12, 0x13, 0x11,
+ 0x18, 0x00, 0x06, 0x08, 0x2a, 0x31, 0x3f, 0x38,
+ 0x36, 0x07, 0x0c, 0x0d, 0x11, 0x13, 0x12, 0x13,
+ 0x11, 0x18);
+
+ mipi_dsi_msleep(dsi_ctx, 60);
}
static int xpp055c272_unprepare(struct drm_panel *panel)
{
struct xpp055c272 *ctx = panel_to_xpp055c272(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)
- dev_err(ctx->dev, "failed to set display off: %d\n", ret);
+ struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
- mipi_dsi_dcs_enter_sleep_mode(dsi);
- if (ret < 0) {
- dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret);
- return ret;
- }
+ mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+ mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
+ if (dsi_ctx.accum_err)
+ return dsi_ctx.accum_err;
regulator_disable(ctx->iovcc);
regulator_disable(ctx->vci);
- ctx->prepared = false;
-
return 0;
}
@@ -169,20 +144,19 @@ static int xpp055c272_prepare(struct drm_panel *panel)
{
struct xpp055c272 *ctx = panel_to_xpp055c272(panel);
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- int ret;
-
- if (ctx->prepared)
- return 0;
+ struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
dev_dbg(ctx->dev, "Resetting the panel\n");
- ret = regulator_enable(ctx->vci);
- if (ret < 0) {
- dev_err(ctx->dev, "Failed to enable vci supply: %d\n", ret);
- return ret;
+ dsi_ctx.accum_err = regulator_enable(ctx->vci);
+ if (dsi_ctx.accum_err) {
+ dev_err(ctx->dev, "Failed to enable vci supply: %d\n",
+ dsi_ctx.accum_err);
+ return dsi_ctx.accum_err;
}
- ret = regulator_enable(ctx->iovcc);
- if (ret < 0) {
- dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret);
+ dsi_ctx.accum_err = regulator_enable(ctx->iovcc);
+ if (dsi_ctx.accum_err) {
+ dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n",
+ dsi_ctx.accum_err);
goto disable_vci;
}
@@ -194,38 +168,27 @@ static int xpp055c272_prepare(struct drm_panel *panel)
/* T8: 20ms */
msleep(20);
- ret = xpp055c272_init_sequence(ctx);
- if (ret < 0) {
- dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret);
- goto disable_iovcc;
- }
-
- ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
- if (ret < 0) {
- dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret);
- goto disable_iovcc;
- }
+ xpp055c272_init_sequence(&dsi_ctx);
+ if (!dsi_ctx.accum_err)
+ dev_dbg(ctx->dev, "Panel init sequence done\n");
+ mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
/* T9: 120ms */
- msleep(120);
+ mipi_dsi_msleep(&dsi_ctx, 120);
+ mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
- ret = mipi_dsi_dcs_set_display_on(dsi);
- if (ret < 0) {
- dev_err(ctx->dev, "Failed to set display on: %d\n", ret);
+ if (dsi_ctx.accum_err)
goto disable_iovcc;
- }
msleep(50);
- ctx->prepared = true;
-
return 0;
disable_iovcc:
regulator_disable(ctx->iovcc);
disable_vci:
regulator_disable(ctx->vci);
- return ret;
+ return dsi_ctx.accum_err;
}
static const struct drm_display_mode default_mode = {
@@ -278,31 +241,25 @@ static int xpp055c272_probe(struct mipi_dsi_device *dsi)
struct xpp055c272 *ctx;
int ret;
- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
+ ctx = devm_drm_panel_alloc(dev, struct xpp055c272, panel,
+ &xpp055c272_funcs, DRM_MODE_CONNECTOR_DSI);
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);
ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
- if (IS_ERR(ctx->reset_gpio)) {
- dev_err(dev, "cannot get reset gpio\n");
- return PTR_ERR(ctx->reset_gpio);
- }
+ if (IS_ERR(ctx->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
+ "cannot get reset gpio\n");
ctx->vci = devm_regulator_get(dev, "vci");
- if (IS_ERR(ctx->vci)) {
- ret = PTR_ERR(ctx->vci);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to request vci regulator: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(ctx->vci))
+ return dev_err_probe(dev, PTR_ERR(ctx->vci),
+ "Failed to request vci regulator\n");
ctx->iovcc = devm_regulator_get(dev, "iovcc");
- if (IS_ERR(ctx->iovcc)) {
- ret = PTR_ERR(ctx->iovcc);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to request iovcc regulator: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(ctx->iovcc))
+ return dev_err_probe(dev, PTR_ERR(ctx->iovcc),
+ "Failed to request iovcc regulator\n");
mipi_dsi_set_drvdata(dsi, ctx);
@@ -311,10 +268,7 @@ static int xpp055c272_probe(struct mipi_dsi_device *dsi)
dsi->lanes = 4;
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, &xpp055c272_funcs,
- DRM_MODE_CONNECTOR_DSI);
+ MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET;
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)
@@ -332,34 +286,16 @@ static int xpp055c272_probe(struct mipi_dsi_device *dsi)
return 0;
}
-static void xpp055c272_shutdown(struct mipi_dsi_device *dsi)
+static void xpp055c272_remove(struct mipi_dsi_device *dsi)
{
struct xpp055c272 *ctx = mipi_dsi_get_drvdata(dsi);
int ret;
- ret = drm_panel_unprepare(&ctx->panel);
- if (ret < 0)
- dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret);
-
- ret = drm_panel_disable(&ctx->panel);
- if (ret < 0)
- dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret);
-}
-
-static int xpp055c272_remove(struct mipi_dsi_device *dsi)
-{
- struct xpp055c272 *ctx = mipi_dsi_get_drvdata(dsi);
- int ret;
-
- xpp055c272_shutdown(dsi);
-
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 xpp055c272_of_match[] = {
@@ -375,7 +311,6 @@ static struct mipi_dsi_driver xpp055c272_driver = {
},
.probe = xpp055c272_probe,
.remove = xpp055c272_remove,
- .shutdown = xpp055c272_shutdown,
};
module_mipi_dsi_driver(xpp055c272_driver);
generated by cgit (git 2.34.1) at 2025-12-25 13:49:13 +0000