drm/panel: leadtek-ltk050h3146w: transition to mipi_dsi wrapped functions
Changes the leadtek-ltk050h3146w panel to use multi style functions for improved error handling. Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20241026035928.183454-1-tejasvipin76@gmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20241026035928.183454-1-tejasvipin76@gmail.com
This commit is contained in:
Tejas Vipin
committed by
Neil Armstrong
Neil Armstrong
parent
e70d4f8e24
commit
766515ab5b
@@ -26,7 +26,7 @@ struct ltk050h3146w;
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struct ltk050h3146w_desc {
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const unsigned long mode_flags;
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const struct drm_display_mode *mode;
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int (*init)(struct ltk050h3146w *ctx);
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void (*init)(struct mipi_dsi_multi_context *dsi_ctx);
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};
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struct ltk050h3146w {
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@@ -243,67 +243,57 @@ struct ltk050h3146w *panel_to_ltk050h3146w(struct drm_panel *panel)
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return container_of(panel, struct ltk050h3146w, panel);
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}
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static int ltk050h3148w_init_sequence(struct ltk050h3146w *ctx)
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static void ltk050h3148w_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
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{
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struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
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int ret;
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/*
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* Init sequence was supplied by the panel vendor without much
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* documentation.
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*/
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mipi_dsi_dcs_write_seq(dsi, 0xb9, 0xff, 0x83, 0x94);
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mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x50, 0x15, 0x75, 0x09, 0x32, 0x44,
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0x71, 0x31, 0x55, 0x2f);
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mipi_dsi_dcs_write_seq(dsi, 0xba, 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0);
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mipi_dsi_dcs_write_seq(dsi, 0xd2, 0x88);
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mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x00, 0x80, 0x64, 0x10, 0x07);
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mipi_dsi_dcs_write_seq(dsi, 0xb4, 0x05, 0x70, 0x05, 0x70, 0x01, 0x70,
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0x01, 0x0c, 0x86, 0x75, 0x00, 0x3f, 0x01, 0x74,
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0x01, 0x74, 0x01, 0x74, 0x01, 0x0c, 0x86);
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mipi_dsi_dcs_write_seq(dsi, 0xd3, 0x00, 0x00, 0x07, 0x07, 0x40, 0x1e,
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0x08, 0x00, 0x32, 0x10, 0x08, 0x00, 0x08, 0x54,
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0x15, 0x10, 0x05, 0x04, 0x02, 0x12, 0x10, 0x05,
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0x07, 0x33, 0x34, 0x0c, 0x0c, 0x37, 0x10, 0x07,
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0x17, 0x11, 0x40);
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mipi_dsi_dcs_write_seq(dsi, 0xd5, 0x19, 0x19, 0x18, 0x18, 0x1b, 0x1b,
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0x1a, 0x1a, 0x04, 0x05, 0x06, 0x07, 0x00, 0x01,
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0x02, 0x03, 0x20, 0x21, 0x18, 0x18, 0x22, 0x23,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18);
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mipi_dsi_dcs_write_seq(dsi, 0xd6, 0x18, 0x18, 0x19, 0x19, 0x1b, 0x1b,
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0x1a, 0x1a, 0x03, 0x02, 0x01, 0x00, 0x07, 0x06,
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0x05, 0x04, 0x23, 0x22, 0x18, 0x18, 0x21, 0x20,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18);
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mipi_dsi_dcs_write_seq(dsi, 0xe0, 0x00, 0x03, 0x09, 0x11, 0x11, 0x14,
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0x18, 0x16, 0x2e, 0x3d, 0x4d, 0x4d, 0x58, 0x6c,
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0x72, 0x78, 0x88, 0x8b, 0x86, 0xa4, 0xb2, 0x58,
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0x55, 0x59, 0x5b, 0x5d, 0x60, 0x64, 0x7f, 0x00,
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0x03, 0x09, 0x0f, 0x11, 0x14, 0x18, 0x16, 0x2e,
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0x3d, 0x4d, 0x4d, 0x58, 0x6d, 0x73, 0x78, 0x88,
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0x8b, 0x87, 0xa5, 0xb2, 0x58, 0x55, 0x58, 0x5b,
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0x5d, 0x61, 0x65, 0x7f);
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mipi_dsi_dcs_write_seq(dsi, 0xcc, 0x0b);
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mipi_dsi_dcs_write_seq(dsi, 0xc0, 0x1f, 0x31);
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mipi_dsi_dcs_write_seq(dsi, 0xb6, 0xc4, 0xc4);
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mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01);
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mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x00);
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mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00);
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mipi_dsi_dcs_write_seq(dsi, 0xc6, 0xef);
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mipi_dsi_dcs_write_seq(dsi, 0xd4, 0x02);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb9, 0xff, 0x83, 0x94);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb1, 0x50, 0x15, 0x75, 0x09, 0x32, 0x44,
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0x71, 0x31, 0x55, 0x2f);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xba, 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd2, 0x88);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb2, 0x00, 0x80, 0x64, 0x10, 0x07);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb4, 0x05, 0x70, 0x05, 0x70, 0x01, 0x70,
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0x01, 0x0c, 0x86, 0x75, 0x00, 0x3f, 0x01, 0x74,
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0x01, 0x74, 0x01, 0x74, 0x01, 0x0c, 0x86);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd3, 0x00, 0x00, 0x07, 0x07, 0x40, 0x1e,
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0x08, 0x00, 0x32, 0x10, 0x08, 0x00, 0x08, 0x54,
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0x15, 0x10, 0x05, 0x04, 0x02, 0x12, 0x10, 0x05,
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0x07, 0x33, 0x34, 0x0c, 0x0c, 0x37, 0x10, 0x07,
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0x17, 0x11, 0x40);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd5, 0x19, 0x19, 0x18, 0x18, 0x1b, 0x1b,
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0x1a, 0x1a, 0x04, 0x05, 0x06, 0x07, 0x00, 0x01,
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0x02, 0x03, 0x20, 0x21, 0x18, 0x18, 0x22, 0x23,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd6, 0x18, 0x18, 0x19, 0x19, 0x1b, 0x1b,
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0x1a, 0x1a, 0x03, 0x02, 0x01, 0x00, 0x07, 0x06,
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0x05, 0x04, 0x23, 0x22, 0x18, 0x18, 0x21, 0x20,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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0x18, 0x18, 0x18, 0x18, 0x18, 0x18);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xe0, 0x00, 0x03, 0x09, 0x11, 0x11, 0x14,
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0x18, 0x16, 0x2e, 0x3d, 0x4d, 0x4d, 0x58, 0x6c,
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0x72, 0x78, 0x88, 0x8b, 0x86, 0xa4, 0xb2, 0x58,
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0x55, 0x59, 0x5b, 0x5d, 0x60, 0x64, 0x7f, 0x00,
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0x03, 0x09, 0x0f, 0x11, 0x14, 0x18, 0x16, 0x2e,
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0x3d, 0x4d, 0x4d, 0x58, 0x6d, 0x73, 0x78, 0x88,
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0x8b, 0x87, 0xa5, 0xb2, 0x58, 0x55, 0x58, 0x5b,
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0x5d, 0x61, 0x65, 0x7f);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xcc, 0x0b);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc0, 0x1f, 0x31);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb6, 0xc4, 0xc4);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbd, 0x01);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb1, 0x00);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbd, 0x00);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc6, 0xef);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd4, 0x02);
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ret = mipi_dsi_dcs_set_tear_on(dsi, 1);
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if (ret < 0) {
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dev_err(ctx->dev, "failed to set tear on: %d\n", ret);
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return ret;
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}
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msleep(60);
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return 0;
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mipi_dsi_dcs_set_tear_on_multi(dsi_ctx, 1);
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mipi_dsi_msleep(dsi_ctx, 60);
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}
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static const struct drm_display_mode ltk050h3148w_mode = {
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@@ -327,74 +317,64 @@ static const struct ltk050h3146w_desc ltk050h3148w_data = {
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MIPI_DSI_MODE_VIDEO_BURST,
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};
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static int ltk050h3146w_init_sequence(struct ltk050h3146w *ctx)
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static void ltk050h3146w_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
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{
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struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
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int ret;
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/*
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* Init sequence was supplied by the panel vendor without much
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* documentation.
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*/
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mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x93, 0x65, 0xf8);
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mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x01, 0x03, 0x02, 0x00, 0x64, 0x06,
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0x01);
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mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x00, 0xb5);
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mipi_dsi_dcs_write_seq(dsi, 0xb3, 0x00, 0xb5);
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mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x00, 0xbf, 0x00, 0x00, 0xbf, 0x00);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xdf, 0x93, 0x65, 0xf8);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb0, 0x01, 0x03, 0x02, 0x00, 0x64, 0x06,
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0x01);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb2, 0x00, 0xb5);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb3, 0x00, 0xb5);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb7, 0x00, 0xbf, 0x00, 0x00, 0xbf, 0x00);
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mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xc4, 0x23, 0x07);
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mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x02, 0x01, 0x24, 0x00, 0x28, 0x0f,
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0x28, 0x04, 0xcc, 0xcc, 0xcc);
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mipi_dsi_dcs_write_seq(dsi, 0xbc, 0x0f, 0x04);
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mipi_dsi_dcs_write_seq(dsi, 0xbe, 0x1e, 0xf2);
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mipi_dsi_dcs_write_seq(dsi, 0xc0, 0x26, 0x03);
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mipi_dsi_dcs_write_seq(dsi, 0xc1, 0x00, 0x12);
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mipi_dsi_dcs_write_seq(dsi, 0xc3, 0x04, 0x02, 0x02, 0x76, 0x01, 0x80,
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0x80);
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mipi_dsi_dcs_write_seq(dsi, 0xc4, 0x24, 0x80, 0xb4, 0x81, 0x12, 0x0f,
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0x16, 0x00, 0x00);
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mipi_dsi_dcs_write_seq(dsi, 0xc8, 0x7f, 0x72, 0x67, 0x5d, 0x5d, 0x50,
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0x56, 0x41, 0x59, 0x57, 0x55, 0x70, 0x5b, 0x5f,
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0x4f, 0x47, 0x38, 0x23, 0x08, 0x7f, 0x72, 0x67,
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0x5d, 0x5d, 0x50, 0x56, 0x41, 0x59, 0x57, 0x55,
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0x70, 0x5b, 0x5f, 0x4f, 0x47, 0x38, 0x23, 0x08);
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mipi_dsi_dcs_write_seq(dsi, 0xd0, 0x1e, 0x1f, 0x57, 0x58, 0x48, 0x4a,
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0x44, 0x46, 0x40, 0x1f, 0x42, 0x1f, 0x1f, 0x1f,
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0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
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mipi_dsi_dcs_write_seq(dsi, 0xd1, 0x1e, 0x1f, 0x57, 0x58, 0x49, 0x4b,
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0x45, 0x47, 0x41, 0x1f, 0x43, 0x1f, 0x1f, 0x1f,
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0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
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mipi_dsi_dcs_write_seq(dsi, 0xd2, 0x1f, 0x1e, 0x17, 0x18, 0x07, 0x05,
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0x0b, 0x09, 0x03, 0x1f, 0x01, 0x1f, 0x1f, 0x1f,
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0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
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mipi_dsi_dcs_write_seq(dsi, 0xd3, 0x1f, 0x1e, 0x17, 0x18, 0x06, 0x04,
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0x0a, 0x08, 0x02, 0x1f, 0x00, 0x1f, 0x1f, 0x1f,
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0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
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mipi_dsi_dcs_write_seq(dsi, 0xd4, 0x00, 0x00, 0x00, 0x0c, 0x06, 0x20,
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0x01, 0x02, 0x00, 0x60, 0x15, 0xb0, 0x30, 0x03,
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0x04, 0x00, 0x60, 0x72, 0x0a, 0x00, 0x60, 0x08);
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mipi_dsi_dcs_write_seq(dsi, 0xd5, 0x00, 0x06, 0x06, 0x00, 0x30, 0x00,
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0x00, 0x00, 0x00, 0x00, 0xbc, 0x50, 0x00, 0x05,
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0x21, 0x00, 0x60);
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mipi_dsi_dcs_write_seq(dsi, 0xdd, 0x2c, 0xa3, 0x00);
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mipi_dsi_dcs_write_seq(dsi, 0xde, 0x02);
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mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x32, 0x1c);
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mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x3b, 0x70, 0x00, 0x04);
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mipi_dsi_dcs_write_seq(dsi, 0xc1, 0x11);
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mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x21, 0x22, 0x23, 0x24, 0x36, 0x37);
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mipi_dsi_dcs_write_seq(dsi, 0xc2, 0x20, 0x38, 0x1e, 0x84);
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mipi_dsi_dcs_write_seq(dsi, 0xde, 0x00);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xb9, 0x00, 0xc4, 0x23, 0x07);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbb, 0x02, 0x01, 0x24, 0x00, 0x28, 0x0f,
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0x28, 0x04, 0xcc, 0xcc, 0xcc);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbc, 0x0f, 0x04);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xbe, 0x1e, 0xf2);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc0, 0x26, 0x03);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc1, 0x00, 0x12);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc3, 0x04, 0x02, 0x02, 0x76, 0x01, 0x80,
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0x80);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc4, 0x24, 0x80, 0xb4, 0x81, 0x12, 0x0f,
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0x16, 0x00, 0x00);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xc8, 0x7f, 0x72, 0x67, 0x5d, 0x5d, 0x50,
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0x56, 0x41, 0x59, 0x57, 0x55, 0x70, 0x5b, 0x5f,
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0x4f, 0x47, 0x38, 0x23, 0x08, 0x7f, 0x72, 0x67,
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0x5d, 0x5d, 0x50, 0x56, 0x41, 0x59, 0x57, 0x55,
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0x70, 0x5b, 0x5f, 0x4f, 0x47, 0x38, 0x23, 0x08);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd0, 0x1e, 0x1f, 0x57, 0x58, 0x48, 0x4a,
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0x44, 0x46, 0x40, 0x1f, 0x42, 0x1f, 0x1f, 0x1f,
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0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
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mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0xd1, 0x1e, 0x1f, 0x57, 0x58, 0x49, 0x4b,
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0x45, 0x47, 0x41, 0x1f, 0x43, 0x1f, 0x1f, 0x1f,
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0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
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||||
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);
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
msleep(60);
|
||||
|
||||
return 0;
|
||||
mipi_dsi_dcs_set_tear_on_multi(dsi_ctx, 1);
|
||||
mipi_dsi_msleep(dsi_ctx, 60);
|
||||
}
|
||||
|
||||
static const struct drm_display_mode ltk050h3146w_mode = {
|
||||
@@ -418,79 +398,42 @@ static const struct ltk050h3146w_desc ltk050h3146w_data = {
|
||||
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;
|
||||
ltk050h3146w_a2_select_page(dsi_ctx, page);
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
mipi_dsi_dcs_set_tear_on_multi(dsi_ctx, 0);
|
||||
|
||||
msleep(60);
|
||||
|
||||
return 0;
|
||||
mipi_dsi_msleep(dsi_ctx, 60);
|
||||
}
|
||||
|
||||
static const struct drm_display_mode ltk050h3146w_a2_mode = {
|
||||
@@ -518,19 +461,12 @@ 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;
|
||||
struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
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);
|
||||
@@ -542,17 +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;
|
||||
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;
|
||||
}
|
||||
|
||||
@@ -561,28 +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);
|
||||
|
||||
return 0;
|
||||
|
||||
@@ -590,7 +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,
|
||||
|
||||
Reference in New Issue
Block a user