diff options
Diffstat (limited to 'include/drm/drm_mipi_dsi.h')
| -rw-r--r-- | include/drm/drm_mipi_dsi.h | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 360e6377e84b..20b21b577dea 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -80,6 +80,11 @@ int mipi_dsi_create_packet(struct mipi_dsi_packet *packet, * Note that typically DSI packet transmission is atomic, so the .transfer() * function will seldomly return anything other than the number of bytes * contained in the transmit buffer on success. + * + * Also note that those callbacks can be called no matter the state the + * host is in. Drivers that need the underlying device to be powered to + * perform these operations will first need to make sure it's been + * properly enabled. */ struct mipi_dsi_host_ops { int (*attach)(struct mipi_dsi_host *host, @@ -119,19 +124,21 @@ struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node); /* enable hsync-end packets in vsync-pulse and v-porch area */ #define MIPI_DSI_MODE_VIDEO_HSE BIT(4) /* disable hfront-porch area */ -#define MIPI_DSI_MODE_VIDEO_HFP BIT(5) +#define MIPI_DSI_MODE_VIDEO_NO_HFP BIT(5) /* disable hback-porch area */ -#define MIPI_DSI_MODE_VIDEO_HBP BIT(6) +#define MIPI_DSI_MODE_VIDEO_NO_HBP BIT(6) /* disable hsync-active area */ -#define MIPI_DSI_MODE_VIDEO_HSA BIT(7) +#define MIPI_DSI_MODE_VIDEO_NO_HSA BIT(7) /* flush display FIFO on vsync pulse */ #define MIPI_DSI_MODE_VSYNC_FLUSH BIT(8) /* disable EoT packets in HS mode */ -#define MIPI_DSI_MODE_EOT_PACKET BIT(9) +#define MIPI_DSI_MODE_NO_EOT_PACKET BIT(9) /* device supports non-continuous clock behavior (DSI spec 5.6.1) */ #define MIPI_DSI_CLOCK_NON_CONTINUOUS BIT(10) /* transmit data in low power */ #define MIPI_DSI_MODE_LPM BIT(11) +/* transmit data ending at the same time for all lanes within one hsync */ +#define MIPI_DSI_HS_PKT_END_ALIGNED BIT(12) enum mipi_dsi_pixel_format { MIPI_DSI_FMT_RGB888, @@ -172,6 +179,7 @@ struct mipi_dsi_device_info { * @lp_rate: maximum lane frequency for low power mode in hertz, this should * be set to the real limits of the hardware, zero is only accepted for * legacy drivers + * @dsc: panel/bridge DSC pps payload to be sent */ struct mipi_dsi_device { struct mipi_dsi_host *host; @@ -184,6 +192,7 @@ struct mipi_dsi_device { unsigned long mode_flags; unsigned long hs_rate; unsigned long lp_rate; + struct drm_dsc_config *dsc; }; #define MIPI_DSI_MODULE_PREFIX "mipi-dsi:" @@ -222,9 +231,13 @@ struct mipi_dsi_device * mipi_dsi_device_register_full(struct mipi_dsi_host *host, const struct mipi_dsi_device_info *info); void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi); +struct mipi_dsi_device * +devm_mipi_dsi_device_register_full(struct device *dev, struct mipi_dsi_host *host, + const struct mipi_dsi_device_info *info); struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np); int mipi_dsi_attach(struct mipi_dsi_device *dsi); int mipi_dsi_detach(struct mipi_dsi_device *dsi); +int devm_mipi_dsi_attach(struct device *dev, struct mipi_dsi_device *dsi); int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi); int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi); int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi, @@ -285,6 +298,23 @@ int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi, u16 *brightness); /** + * mipi_dsi_dcs_write_seq - transmit a DCS command with payload + * @dsi: DSI peripheral device + * @cmd: Command + * @seq: buffer containing data to be transmitted + */ +#define mipi_dsi_dcs_write_seq(dsi, cmd, seq...) do { \ + static const u8 d[] = { cmd, seq }; \ + struct device *dev = &dsi->dev; \ + int ret; \ + ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \ + if (ret < 0) { \ + dev_err_ratelimited(dev, "sending command %#02x failed: %d\n", cmd, ret); \ + return ret; \ + } \ + } while (0) + +/** * struct mipi_dsi_driver - DSI driver * @driver: device driver model driver * @probe: callback for device binding @@ -294,7 +324,7 @@ int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi, struct mipi_dsi_driver { struct device_driver driver; int(*probe)(struct mipi_dsi_device *dsi); - int(*remove)(struct mipi_dsi_device *dsi); + void (*remove)(struct mipi_dsi_device *dsi); void (*shutdown)(struct mipi_dsi_device *dsi); }; |