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path: root/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
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Diffstat (limited to 'drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c')
-rw-r--r--drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c387
1 files changed, 182 insertions, 205 deletions
diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
index d41482d3a34f..0856df5a6ee2 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
@@ -24,8 +24,9 @@ struct ltk050h3146w_cmd {
struct ltk050h3146w;
struct ltk050h3146w_desc {
+ const unsigned long mode_flags;
const struct drm_display_mode *mode;
- int (*init)(struct ltk050h3146w *ctx);
+ void (*init)(struct mipi_dsi_multi_context *dsi_ctx);
};
struct ltk050h3146w {
@@ -35,7 +36,6 @@ struct ltk050h3146w {
struct regulator *vci;
struct regulator *iovcc;
const struct ltk050h3146w_desc *panel_desc;
- bool prepared;
};
static const struct ltk050h3146w_cmd page1_cmds[] = {
@@ -243,74 +243,138 @@ struct ltk050h3146w *panel_to_ltk050h3146w(struct drm_panel *panel)
return container_of(panel, struct ltk050h3146w, panel);
}
-static int ltk050h3146w_init_sequence(struct ltk050h3146w *ctx)
+static void ltk050h3148w_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
{
- struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- int ret;
-
/*
* Init sequence was supplied by the panel vendor without much
* documentation.
*/
- mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x93, 0x65, 0xf8);
- mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x01, 0x03, 0x02, 0x00, 0x64, 0x06,
- 0x01);
- mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x00, 0xb5);
- mipi_dsi_dcs_write_seq(dsi, 0xb3, 0x00, 0xb5);
- mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x00, 0xbf, 0x00, 0x00, 0xbf, 0x00);
-
- mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xc4, 0x23, 0x07);
- mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x02, 0x01, 0x24, 0x00, 0x28, 0x0f,
- 0x28, 0x04, 0xcc, 0xcc, 0xcc);
- mipi_dsi_dcs_write_seq(dsi, 0xbc, 0x0f, 0x04);
- mipi_dsi_dcs_write_seq(dsi, 0xbe, 0x1e, 0xf2);
- mipi_dsi_dcs_write_seq(dsi, 0xc0, 0x26, 0x03);
- mipi_dsi_dcs_write_seq(dsi, 0xc1, 0x00, 0x12);
- mipi_dsi_dcs_write_seq(dsi, 0xc3, 0x04, 0x02, 0x02, 0x76, 0x01, 0x80,
- 0x80);
- mipi_dsi_dcs_write_seq(dsi, 0xc4, 0x24, 0x80, 0xb4, 0x81, 0x12, 0x0f,
- 0x16, 0x00, 0x00);
- mipi_dsi_dcs_write_seq(dsi, 0xc8, 0x7f, 0x72, 0x67, 0x5d, 0x5d, 0x50,
- 0x56, 0x41, 0x59, 0x57, 0x55, 0x70, 0x5b, 0x5f,
- 0x4f, 0x47, 0x38, 0x23, 0x08, 0x7f, 0x72, 0x67,
- 0x5d, 0x5d, 0x50, 0x56, 0x41, 0x59, 0x57, 0x55,
- 0x70, 0x5b, 0x5f, 0x4f, 0x47, 0x38, 0x23, 0x08);
- mipi_dsi_dcs_write_seq(dsi, 0xd0, 0x1e, 0x1f, 0x57, 0x58, 0x48, 0x4a,
- 0x44, 0x46, 0x40, 0x1f, 0x42, 0x1f, 0x1f, 0x1f,
- 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
- mipi_dsi_dcs_write_seq(dsi, 0xd1, 0x1e, 0x1f, 0x57, 0x58, 0x49, 0x4b,
- 0x45, 0x47, 0x41, 0x1f, 0x43, 0x1f, 0x1f, 0x1f,
- 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
- mipi_dsi_dcs_write_seq(dsi, 0xd2, 0x1f, 0x1e, 0x17, 0x18, 0x07, 0x05,
- 0x0b, 0x09, 0x03, 0x1f, 0x01, 0x1f, 0x1f, 0x1f,
- 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
- mipi_dsi_dcs_write_seq(dsi, 0xd3, 0x1f, 0x1e, 0x17, 0x18, 0x06, 0x04,
- 0x0a, 0x08, 0x02, 0x1f, 0x00, 0x1f, 0x1f, 0x1f,
- 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
- mipi_dsi_dcs_write_seq(dsi, 0xd4, 0x00, 0x00, 0x00, 0x0c, 0x06, 0x20,
- 0x01, 0x02, 0x00, 0x60, 0x15, 0xb0, 0x30, 0x03,
- 0x04, 0x00, 0x60, 0x72, 0x0a, 0x00, 0x60, 0x08);
- mipi_dsi_dcs_write_seq(dsi, 0xd5, 0x00, 0x06, 0x06, 0x00, 0x30, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0xbc, 0x50, 0x00, 0x05,
- 0x21, 0x00, 0x60);
- mipi_dsi_dcs_write_seq(dsi, 0xdd, 0x2c, 0xa3, 0x00);
- mipi_dsi_dcs_write_seq(dsi, 0xde, 0x02);
- mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x32, 0x1c);
- mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x3b, 0x70, 0x00, 0x04);
- mipi_dsi_dcs_write_seq(dsi, 0xc1, 0x11);
- mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x21, 0x22, 0x23, 0x24, 0x36, 0x37);
- mipi_dsi_dcs_write_seq(dsi, 0xc2, 0x20, 0x38, 0x1e, 0x84);
- mipi_dsi_dcs_write_seq(dsi, 0xde, 0x00);
-
- ret = mipi_dsi_dcs_set_tear_on(dsi, 1);
- if (ret < 0) {
- dev_err(ctx->dev, "failed to set tear on: %d\n", ret);
- return ret;
- }
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb9, 0xff, 0x83, 0x94);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb1, 0x50, 0x15, 0x75, 0x09, 0x32, 0x44,
+ 0x71, 0x31, 0x55, 0x2f);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xba, 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd2, 0x88);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb2, 0x00, 0x80, 0x64, 0x10, 0x07);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb4, 0x05, 0x70, 0x05, 0x70, 0x01, 0x70,
+ 0x01, 0x0c, 0x86, 0x75, 0x00, 0x3f, 0x01, 0x74,
+ 0x01, 0x74, 0x01, 0x74, 0x01, 0x0c, 0x86);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd3, 0x00, 0x00, 0x07, 0x07, 0x40, 0x1e,
+ 0x08, 0x00, 0x32, 0x10, 0x08, 0x00, 0x08, 0x54,
+ 0x15, 0x10, 0x05, 0x04, 0x02, 0x12, 0x10, 0x05,
+ 0x07, 0x33, 0x34, 0x0c, 0x0c, 0x37, 0x10, 0x07,
+ 0x17, 0x11, 0x40);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd5, 0x19, 0x19, 0x18, 0x18, 0x1b, 0x1b,
+ 0x1a, 0x1a, 0x04, 0x05, 0x06, 0x07, 0x00, 0x01,
+ 0x02, 0x03, 0x20, 0x21, 0x18, 0x18, 0x22, 0x23,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd6, 0x18, 0x18, 0x19, 0x19, 0x1b, 0x1b,
+ 0x1a, 0x1a, 0x03, 0x02, 0x01, 0x00, 0x07, 0x06,
+ 0x05, 0x04, 0x23, 0x22, 0x18, 0x18, 0x21, 0x20,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xe0, 0x00, 0x03, 0x09, 0x11, 0x11, 0x14,
+ 0x18, 0x16, 0x2e, 0x3d, 0x4d, 0x4d, 0x58, 0x6c,
+ 0x72, 0x78, 0x88, 0x8b, 0x86, 0xa4, 0xb2, 0x58,
+ 0x55, 0x59, 0x5b, 0x5d, 0x60, 0x64, 0x7f, 0x00,
+ 0x03, 0x09, 0x0f, 0x11, 0x14, 0x18, 0x16, 0x2e,
+ 0x3d, 0x4d, 0x4d, 0x58, 0x6d, 0x73, 0x78, 0x88,
+ 0x8b, 0x87, 0xa5, 0xb2, 0x58, 0x55, 0x58, 0x5b,
+ 0x5d, 0x61, 0x65, 0x7f);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xcc, 0x0b);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc0, 0x1f, 0x31);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb6, 0xc4, 0xc4);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbd, 0x01);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb1, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbd, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc6, 0xef);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd4, 0x02);
+
+ mipi_dsi_dcs_set_tear_on_multi(dsi_ctx, 1);
+ mipi_dsi_msleep(dsi_ctx, 60);
+}
+
+static const struct drm_display_mode ltk050h3148w_mode = {
+ .hdisplay = 720,
+ .hsync_start = 720 + 12,
+ .hsync_end = 720 + 12 + 6,
+ .htotal = 720 + 12 + 6 + 24,
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 9,
+ .vsync_end = 1280 + 9 + 2,
+ .vtotal = 1280 + 9 + 2 + 16,
+ .clock = 59756,
+ .width_mm = 62,
+ .height_mm = 110,
+};
- msleep(60);
+static const struct ltk050h3146w_desc ltk050h3148w_data = {
+ .mode = &ltk050h3148w_mode,
+ .init = ltk050h3148w_init_sequence,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
+ MIPI_DSI_MODE_VIDEO_BURST,
+};
- return 0;
+static void ltk050h3146w_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
+{
+ /*
+ * Init sequence was supplied by the panel vendor without much
+ * documentation.
+ */
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xdf, 0x93, 0x65, 0xf8);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb0, 0x01, 0x03, 0x02, 0x00, 0x64, 0x06,
+ 0x01);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb2, 0x00, 0xb5);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb3, 0x00, 0xb5);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb7, 0x00, 0xbf, 0x00, 0x00, 0xbf, 0x00);
+
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb9, 0x00, 0xc4, 0x23, 0x07);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbb, 0x02, 0x01, 0x24, 0x00, 0x28, 0x0f,
+ 0x28, 0x04, 0xcc, 0xcc, 0xcc);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbc, 0x0f, 0x04);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbe, 0x1e, 0xf2);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc0, 0x26, 0x03);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc1, 0x00, 0x12);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc3, 0x04, 0x02, 0x02, 0x76, 0x01, 0x80,
+ 0x80);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc4, 0x24, 0x80, 0xb4, 0x81, 0x12, 0x0f,
+ 0x16, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc8, 0x7f, 0x72, 0x67, 0x5d, 0x5d, 0x50,
+ 0x56, 0x41, 0x59, 0x57, 0x55, 0x70, 0x5b, 0x5f,
+ 0x4f, 0x47, 0x38, 0x23, 0x08, 0x7f, 0x72, 0x67,
+ 0x5d, 0x5d, 0x50, 0x56, 0x41, 0x59, 0x57, 0x55,
+ 0x70, 0x5b, 0x5f, 0x4f, 0x47, 0x38, 0x23, 0x08);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd0, 0x1e, 0x1f, 0x57, 0x58, 0x48, 0x4a,
+ 0x44, 0x46, 0x40, 0x1f, 0x42, 0x1f, 0x1f, 0x1f,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd1, 0x1e, 0x1f, 0x57, 0x58, 0x49, 0x4b,
+ 0x45, 0x47, 0x41, 0x1f, 0x43, 0x1f, 0x1f, 0x1f,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd2, 0x1f, 0x1e, 0x17, 0x18, 0x07, 0x05,
+ 0x0b, 0x09, 0x03, 0x1f, 0x01, 0x1f, 0x1f, 0x1f,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd3, 0x1f, 0x1e, 0x17, 0x18, 0x06, 0x04,
+ 0x0a, 0x08, 0x02, 0x1f, 0x00, 0x1f, 0x1f, 0x1f,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd4, 0x00, 0x00, 0x00, 0x0c, 0x06, 0x20,
+ 0x01, 0x02, 0x00, 0x60, 0x15, 0xb0, 0x30, 0x03,
+ 0x04, 0x00, 0x60, 0x72, 0x0a, 0x00, 0x60, 0x08);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd5, 0x00, 0x06, 0x06, 0x00, 0x30, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xbc, 0x50, 0x00, 0x05,
+ 0x21, 0x00, 0x60);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xdd, 0x2c, 0xa3, 0x00);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xde, 0x02);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb2, 0x32, 0x1c);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb7, 0x3b, 0x70, 0x00, 0x04);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc1, 0x11);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbb, 0x21, 0x22, 0x23, 0x24, 0x36, 0x37);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc2, 0x20, 0x38, 0x1e, 0x84);
+ mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xde, 0x00);
+
+ mipi_dsi_dcs_set_tear_on_multi(dsi_ctx, 1);
+ mipi_dsi_msleep(dsi_ctx, 60);
}
static const struct drm_display_mode ltk050h3146w_mode = {
@@ -330,81 +394,46 @@ static const struct drm_display_mode ltk050h3146w_mode = {
static const struct ltk050h3146w_desc ltk050h3146w_data = {
.mode = &ltk050h3146w_mode,
.init = ltk050h3146w_init_sequence,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET,
};
-static int ltk050h3146w_a2_select_page(struct ltk050h3146w *ctx, int page)
+static void ltk050h3146w_a2_select_page(struct mipi_dsi_multi_context *dsi_ctx, int page)
{
- struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- u8 d[3] = { 0x98, 0x81, page };
+ u8 d[4] = { 0xff, 0x98, 0x81, page };
- return mipi_dsi_dcs_write(dsi, 0xff, d, ARRAY_SIZE(d));
+ mipi_dsi_dcs_write_buffer_multi(dsi_ctx, d, ARRAY_SIZE(d));
}
-static int ltk050h3146w_a2_write_page(struct ltk050h3146w *ctx, int page,
+static void ltk050h3146w_a2_write_page(struct mipi_dsi_multi_context *dsi_ctx, int page,
const struct ltk050h3146w_cmd *cmds,
int num)
{
- struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- int i, ret;
-
- ret = ltk050h3146w_a2_select_page(ctx, page);
- if (ret < 0) {
- dev_err(ctx->dev, "failed to select page %d: %d\n", page, ret);
- return ret;
- }
+ ltk050h3146w_a2_select_page(dsi_ctx, page);
- for (i = 0; i < num; i++) {
- ret = mipi_dsi_generic_write(dsi, &cmds[i],
+ for (int i = 0; i < num; i++)
+ mipi_dsi_generic_write_multi(dsi_ctx, &cmds[i],
sizeof(struct ltk050h3146w_cmd));
- if (ret < 0) {
- dev_err(ctx->dev, "failed to write page %d init cmds: %d\n", page, ret);
- return ret;
- }
- }
-
- return 0;
}
-static int ltk050h3146w_a2_init_sequence(struct ltk050h3146w *ctx)
+static void ltk050h3146w_a2_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
{
- struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- int ret;
-
/*
* Init sequence was supplied by the panel vendor without much
* documentation.
*/
- ret = ltk050h3146w_a2_write_page(ctx, 3, page3_cmds,
+ ltk050h3146w_a2_write_page(dsi_ctx, 3, page3_cmds,
ARRAY_SIZE(page3_cmds));
- if (ret < 0)
- return ret;
-
- ret = ltk050h3146w_a2_write_page(ctx, 4, page4_cmds,
+ ltk050h3146w_a2_write_page(dsi_ctx, 4, page4_cmds,
ARRAY_SIZE(page4_cmds));
- if (ret < 0)
- return ret;
-
- ret = ltk050h3146w_a2_write_page(ctx, 1, page1_cmds,
+ ltk050h3146w_a2_write_page(dsi_ctx, 1, page1_cmds,
ARRAY_SIZE(page1_cmds));
- if (ret < 0)
- return ret;
-
- ret = ltk050h3146w_a2_select_page(ctx, 0);
- if (ret < 0) {
- dev_err(ctx->dev, "failed to select page 0: %d\n", ret);
- return ret;
- }
+ ltk050h3146w_a2_select_page(dsi_ctx, 0);
/* vendor code called this without param, where there should be one */
- ret = mipi_dsi_dcs_set_tear_on(dsi, 0);
- if (ret < 0) {
- dev_err(ctx->dev, "failed to set tear on: %d\n", ret);
- return ret;
- }
-
- msleep(60);
+ mipi_dsi_dcs_set_tear_on_multi(dsi_ctx, 0);
- return 0;
+ mipi_dsi_msleep(dsi_ctx, 60);
}
static const struct drm_display_mode ltk050h3146w_a2_mode = {
@@ -424,34 +453,24 @@ static const struct drm_display_mode ltk050h3146w_a2_mode = {
static const struct ltk050h3146w_desc ltk050h3146w_a2_data = {
.mode = &ltk050h3146w_a2_mode,
.init = ltk050h3146w_a2_init_sequence,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET,
};
static int ltk050h3146w_unprepare(struct drm_panel *panel)
{
struct ltk050h3146w *ctx = panel_to_ltk050h3146w(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);
- return 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;
}
@@ -459,20 +478,17 @@ static int ltk050h3146w_prepare(struct drm_panel *panel)
{
struct ltk050h3146w *ctx = panel_to_ltk050h3146w(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;
}
@@ -481,30 +497,15 @@ static int ltk050h3146w_prepare(struct drm_panel *panel)
gpiod_set_value_cansleep(ctx->reset_gpio, 0);
msleep(20);
- ret = ctx->panel_desc->init(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;
- }
-
+ ctx->panel_desc->init(&dsi_ctx);
+ 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);
+ mipi_dsi_msleep(&dsi_ctx, 50);
- 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;
@@ -512,7 +513,7 @@ disable_iovcc:
regulator_disable(ctx->iovcc);
disable_vci:
regulator_disable(ctx->vci);
- return ret;
+ return dsi_ctx.accum_err;
}
static int ltk050h3146w_get_modes(struct drm_panel *panel,
@@ -547,35 +548,28 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
struct ltk050h3146w *ctx;
int ret;
- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
+ ctx = devm_drm_panel_alloc(dev, struct ltk050h3146w, panel,
+ &ltk050h3146w_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);
ctx->panel_desc = of_device_get_match_data(dev);
if (!ctx->panel_desc)
return -EINVAL;
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);
@@ -583,11 +577,7 @@ static int ltk050h3146w_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_NO_EOT_PACKET;
-
- drm_panel_init(&ctx->panel, &dsi->dev, &ltk050h3146w_funcs,
- DRM_MODE_CONNECTOR_DSI);
+ dsi->mode_flags = ctx->panel_desc->mode_flags;
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)
@@ -605,27 +595,11 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
return 0;
}
-static void ltk050h3146w_shutdown(struct mipi_dsi_device *dsi)
-{
- struct ltk050h3146w *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 void ltk050h3146w_remove(struct mipi_dsi_device *dsi)
{
struct ltk050h3146w *ctx = mipi_dsi_get_drvdata(dsi);
int ret;
- ltk050h3146w_shutdown(dsi);
-
ret = mipi_dsi_detach(dsi);
if (ret < 0)
dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
@@ -642,6 +616,10 @@ static const struct of_device_id ltk050h3146w_of_match[] = {
.compatible = "leadtek,ltk050h3146w-a2",
.data = &ltk050h3146w_a2_data,
},
+ {
+ .compatible = "leadtek,ltk050h3148w",
+ .data = &ltk050h3148w_data,
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, ltk050h3146w_of_match);
@@ -653,7 +631,6 @@ static struct mipi_dsi_driver ltk050h3146w_driver = {
},
.probe = ltk050h3146w_probe,
.remove = ltk050h3146w_remove,
- .shutdown = ltk050h3146w_shutdown,
};
module_mipi_dsi_driver(ltk050h3146w_driver);
generated by cgit (git 2.34.1) at 2025-12-25 17:10:58 +0000