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Acked-by: Maxime Ripard Signed-off-by: Tejas Vipin Reviewed-by: Douglas Anderson --- drivers/gpu/drm/drm_mipi_dsi.c | 194 +++++++++++++++++++++++++++++++++ include/drm/drm_mipi_dsi.h | 10 ++ 2 files changed, 204 insertions(+) diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index a471c46f5ca6..8d0a866cf1e0 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -603,6 +603,8 @@ EXPORT_SYMBOL(mipi_dsi_shutdown_peripheral); * mipi_dsi_turn_on_peripheral() - sends a Turn On Peripheral command * @dsi: DSI peripheral device * + * This function is deprecated. Use mipi_dsi_turn_on_peripheral_multi() in= stead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi) @@ -652,6 +654,7 @@ EXPORT_SYMBOL(mipi_dsi_set_maximum_return_packet_size); * @pps_selector: Select PPS from the table of pre-stored or uploaded PPS = entries * * Enable or disable Display Stream Compression on the peripheral. + * This function is deprecated. Use mipi_dsi_compression_mode_ext_multi() = instead. * * Return: 0 on success or a negative error code on failure. */ @@ -703,6 +706,7 @@ EXPORT_SYMBOL(mipi_dsi_compression_mode); * @pps: VESA DSC 1.1 Picture Parameter Set * * Transmit the VESA DSC 1.1 Picture Parameter Set to the peripheral. + * This function is deprecated. Use mipi_dsi_picture_parameter_set_multi()= instead. * * Return: 0 on success or a negative error code on failure. */ @@ -1037,6 +1041,8 @@ EXPORT_SYMBOL(mipi_dsi_dcs_read); * mipi_dsi_dcs_nop() - send DCS nop packet * @dsi: DSI peripheral device * + * This function is deprecated. Use mipi_dsi_dcs_nop_multi() instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_nop(struct mipi_dsi_device *dsi) @@ -1055,6 +1061,8 @@ EXPORT_SYMBOL(mipi_dsi_dcs_nop); * mipi_dsi_dcs_soft_reset() - perform a software reset of the display mod= ule * @dsi: DSI peripheral device * + * This function is deprecated. Use mipi_dsi_dcs_soft_reset_multi() instea= d. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_soft_reset(struct mipi_dsi_device *dsi) @@ -1124,6 +1132,8 @@ EXPORT_SYMBOL(mipi_dsi_dcs_get_pixel_format); * display module except interface communication * @dsi: DSI peripheral device * + * This function is deprecated. Use mipi_dsi_dcs_enter_sleep_mode_multi() = instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_enter_sleep_mode(struct mipi_dsi_device *dsi) @@ -1143,6 +1153,8 @@ EXPORT_SYMBOL(mipi_dsi_dcs_enter_sleep_mode); * module * @dsi: DSI peripheral device * + * This function is deprecated. Use mipi_dsi_dcs_exit_sleep_mode_multi() i= nstead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi) @@ -1162,6 +1174,8 @@ EXPORT_SYMBOL(mipi_dsi_dcs_exit_sleep_mode); * display device * @dsi: DSI peripheral device * + * This function is deprecated. Use mipi_dsi_dcs_set_display_off_multi() i= nstead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_set_display_off(struct mipi_dsi_device *dsi) @@ -1181,6 +1195,8 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_display_off); * display device * @dsi: DSI peripheral device * + * This function is deprecated. Use mipi_dsi_dcs_set_display_on_multi() in= stead. + * * Return: 0 on success or a negative error code on failure */ int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi) @@ -1202,6 +1218,9 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_display_on); * @start: first column of frame memory * @end: last column of frame memory * + * This function is deprecated. Use mipi_dsi_dcs_set_column_address_multi() + * instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start, @@ -1226,6 +1245,9 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_column_address); * @start: first page of frame memory * @end: last page of frame memory * + * This function is deprecated. Use mipi_dsi_dcs_set_page_address_multi() + * instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start, @@ -1268,6 +1290,8 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_off); * @dsi: DSI peripheral device * @mode: the Tearing Effect Output Line mode * + * This function is deprecated. Use mipi_dsi_dcs_set_tear_on_multi() inste= ad. + * * Return: 0 on success or a negative error code on failure */ int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, @@ -1291,6 +1315,9 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_on); * @dsi: DSI peripheral device * @format: pixel format * + * This function is deprecated. Use mipi_dsi_dcs_set_pixel_format_multi() + * instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format) @@ -1334,6 +1361,9 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline); * @dsi: DSI peripheral device * @brightness: brightness value * + * This function is deprecated. Use mipi_dsi_dcs_set_display_brightness_mu= lti() + * instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_set_display_brightness(struct mipi_dsi_device *dsi, @@ -1639,6 +1669,170 @@ void mipi_dsi_dcs_set_tear_on_multi(struct mipi_dsi= _multi_context *ctx, } EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_on_multi); =20 +/** + * mipi_dsi_turn_on_peripheral_multi() - sends a Turn On Peripheral command + * @ctx: Context for multiple DSI transactions + * + * Like mipi_dsi_turn_on_peripheral() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_turn_on_peripheral_multi(struct mipi_dsi_multi_context *ctx) +{ + struct mipi_dsi_device *dsi =3D ctx->dsi; + struct device *dev =3D &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret =3D mipi_dsi_turn_on_peripheral(dsi); + if (ret < 0) { + ctx->accum_err =3D ret; + dev_err(dev, "Failed to turn on peripheral: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_turn_on_peripheral_multi); + +/** + * mipi_dsi_dcs_soft_reset_multi() - perform a software reset of the displ= ay module + * @ctx: Context for multiple DSI transactions + * + * Like mipi_dsi_dcs_soft_reset() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_soft_reset_multi(struct mipi_dsi_multi_context *ctx) +{ + struct mipi_dsi_device *dsi =3D ctx->dsi; + struct device *dev =3D &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret =3D mipi_dsi_dcs_soft_reset(dsi); + if (ret < 0) { + ctx->accum_err =3D ret; + dev_err(dev, "Failed to mipi_dsi_dcs_soft_reset: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_soft_reset_multi); + +/** + * mipi_dsi_dcs_set_display_brightness_multi() - sets the brightness value= of + * the display + * @ctx: Context for multiple DSI transactions + * @brightness: brightness value + * + * Like mipi_dsi_dcs_set_display_brightness() but deals with errors in a w= ay that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_display_brightness_multi(struct mipi_dsi_multi_conte= xt *ctx, + u16 brightness) +{ + struct mipi_dsi_device *dsi =3D ctx->dsi; + struct device *dev =3D &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret =3D mipi_dsi_dcs_set_display_brightness(dsi, brightness); + if (ret < 0) { + ctx->accum_err =3D ret; + dev_err(dev, "Failed to write display brightness: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_display_brightness_multi); + +/** + * mipi_dsi_dcs_set_pixel_format_multi() - sets the pixel format for the R= GB image + * data used by the interface + * @ctx: Context for multiple DSI transactions + * @format: pixel format + * + * Like mipi_dsi_dcs_set_pixel_format() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_pixel_format_multi(struct mipi_dsi_multi_context *ct= x, + u8 format) +{ + struct mipi_dsi_device *dsi =3D ctx->dsi; + struct device *dev =3D &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret =3D mipi_dsi_dcs_set_pixel_format(dsi, format); + if (ret < 0) { + ctx->accum_err =3D ret; + dev_err(dev, "Failed to set pixel format: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_pixel_format_multi); + +/** + * mipi_dsi_dcs_set_column_address_multi() - define the column extent of t= he + * frame memory accessed by the host processor + * @ctx: Context for multiple DSI transactions + * @start: first column of frame memory + * @end: last column of frame memory + * + * Like mipi_dsi_dcs_set_column_address() but deals with errors in a way t= hat + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_column_address_multi(struct mipi_dsi_multi_context *= ctx, + u16 start, u16 end) +{ + struct mipi_dsi_device *dsi =3D ctx->dsi; + struct device *dev =3D &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret =3D mipi_dsi_dcs_set_column_address(dsi, start, end); + if (ret < 0) { + ctx->accum_err =3D ret; + dev_err(dev, "Failed to set column address: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_column_address_multi); + +/** + * mipi_dsi_dcs_set_page_address_multi() - define the page extent of the + * frame memory accessed by the host processor + * @ctx: Context for multiple DSI transactions + * @start: first page of frame memory + * @end: last page of frame memory + * + * Like mipi_dsi_dcs_set_page_address() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_page_address_multi(struct mipi_dsi_multi_context *ct= x, + u16 start, u16 end) +{ + struct mipi_dsi_device *dsi =3D ctx->dsi; + struct device *dev =3D &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret =3D mipi_dsi_dcs_set_page_address(dsi, start, end); + if (ret < 0) { + ctx->accum_err =3D ret; + dev_err(dev, "Failed to set page address: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_page_address_multi); + static int mipi_dsi_drv_probe(struct device *dev) { struct mipi_dsi_driver *drv =3D to_mipi_dsi_driver(dev->driver); diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 0f520eeeaa8e..602be6ce081a 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -365,6 +365,16 @@ void mipi_dsi_dcs_set_display_off_multi(struct mipi_ds= i_multi_context *ctx); void mipi_dsi_dcs_set_display_on_multi(struct mipi_dsi_multi_context *ctx); void mipi_dsi_dcs_set_tear_on_multi(struct mipi_dsi_multi_context *ctx, enum mipi_dsi_dcs_tear_mode mode); +void mipi_dsi_turn_on_peripheral_multi(struct mipi_dsi_multi_context *ctx); +void mipi_dsi_dcs_soft_reset_multi(struct mipi_dsi_multi_context *ctx); +void mipi_dsi_dcs_set_display_brightness_multi(struct mipi_dsi_multi_conte= xt *ctx, + u16 brightness); +void mipi_dsi_dcs_set_pixel_format_multi(struct mipi_dsi_multi_context *ct= x, + u8 format); +void mipi_dsi_dcs_set_column_address_multi(struct mipi_dsi_multi_context *= ctx, + u16 start, u16 end); +void mipi_dsi_dcs_set_page_address_multi(struct mipi_dsi_multi_context *ct= x, + u16 start, u16 end); =20 /** * mipi_dsi_generic_write_seq - transmit data using a generic write packet --=20 2.46.0