diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mipi_dsi.c | 703 |
1 files changed, 667 insertions, 36 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 843a6dbda93a..e5184a0c2465 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -36,6 +36,8 @@ #include <drm/drm_mipi_dsi.h> #include <drm/drm_print.h> +#include <linux/media-bus-format.h> + #include <video/mipi_display.h> /** @@ -48,7 +50,7 @@ * subset of the MIPI DCS command set. */ -static int mipi_dsi_device_match(struct device *dev, struct device_driver *drv) +static int mipi_dsi_device_match(struct device *dev, const struct device_driver *drv) { struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev); @@ -89,7 +91,7 @@ static const struct dev_pm_ops mipi_dsi_device_pm_ops = { .restore = pm_generic_restore, }; -static struct bus_type mipi_dsi_bus_type = { +static const struct bus_type mipi_dsi_bus_type = { .name = "mipi-dsi", .match = mipi_dsi_device_match, .uevent = mipi_dsi_uevent, @@ -162,13 +164,13 @@ of_mipi_dsi_device_add(struct mipi_dsi_host *host, struct device_node *node) u32 reg; if (of_alias_from_compatible(node, info.type, sizeof(info.type)) < 0) { - drm_err(host, "modalias failure on %pOF\n", node); + dev_err(host->dev, "modalias failure on %pOF\n", node); return ERR_PTR(-EINVAL); } ret = of_property_read_u32(node, "reg", ®); if (ret) { - drm_err(host, "device node %pOF has no valid reg property: %d\n", + dev_err(host->dev, "device node %pOF has no valid reg property: %d\n", node, ret); return ERR_PTR(-EINVAL); } @@ -206,18 +208,18 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host, int ret; if (!info) { - drm_err(host, "invalid mipi_dsi_device_info pointer\n"); + dev_err(host->dev, "invalid mipi_dsi_device_info pointer\n"); return ERR_PTR(-EINVAL); } if (info->channel > 3) { - drm_err(host, "invalid virtual channel: %u\n", info->channel); + dev_err(host->dev, "invalid virtual channel: %u\n", info->channel); return ERR_PTR(-EINVAL); } dsi = mipi_dsi_device_alloc(host); if (IS_ERR(dsi)) { - drm_err(host, "failed to allocate DSI device %ld\n", + dev_err(host->dev, "failed to allocate DSI device %ld\n", PTR_ERR(dsi)); return dsi; } @@ -228,7 +230,7 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host, ret = mipi_dsi_device_add(dsi); if (ret) { - drm_err(host, "failed to add DSI device %d\n", ret); + dev_err(host->dev, "failed to add DSI device %d\n", ret); kfree(dsi); return ERR_PTR(ret); } @@ -603,6 +605,8 @@ 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() instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi) @@ -645,29 +649,57 @@ int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi, EXPORT_SYMBOL(mipi_dsi_set_maximum_return_packet_size); /** - * mipi_dsi_compression_mode() - enable/disable DSC on the peripheral + * mipi_dsi_compression_mode_ext() - enable/disable DSC on the peripheral * @dsi: DSI peripheral device * @enable: Whether to enable or disable the DSC + * @algo: Selected compression algorithm + * @pps_selector: Select PPS from the table of pre-stored or uploaded PPS entries * - * Enable or disable Display Stream Compression on the peripheral using the - * default Picture Parameter Set and VESA DSC 1.1 algorithm. + * 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. */ -ssize_t mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable) +int mipi_dsi_compression_mode_ext(struct mipi_dsi_device *dsi, bool enable, + enum mipi_dsi_compression_algo algo, + unsigned int pps_selector) { - /* Note: Needs updating for non-default PPS or algorithm */ - u8 tx[2] = { enable << 0, 0 }; + u8 tx[2] = { }; struct mipi_dsi_msg msg = { .channel = dsi->channel, .type = MIPI_DSI_COMPRESSION_MODE, .tx_len = sizeof(tx), .tx_buf = tx, }; - int ret = mipi_dsi_device_transfer(dsi, &msg); + int ret; + + if (algo > 3 || pps_selector > 3) + return -EINVAL; + + tx[0] = (enable << 0) | + (algo << 1) | + (pps_selector << 4); + + ret = mipi_dsi_device_transfer(dsi, &msg); return (ret < 0) ? ret : 0; } +EXPORT_SYMBOL(mipi_dsi_compression_mode_ext); + +/** + * mipi_dsi_compression_mode() - enable/disable DSC on the peripheral + * @dsi: DSI peripheral device + * @enable: Whether to enable or disable the DSC + * + * Enable or disable Display Stream Compression on the peripheral using the + * default Picture Parameter Set and VESA DSC 1.1 algorithm. + * + * Return: 0 on success or a negative error code on failure. + */ +int mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable) +{ + return mipi_dsi_compression_mode_ext(dsi, enable, MIPI_DSI_COMPRESSION_DSC, 0); +} EXPORT_SYMBOL(mipi_dsi_compression_mode); /** @@ -676,11 +708,12 @@ 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. */ -ssize_t mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, - const struct drm_dsc_picture_parameter_set *pps) +int mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, + const struct drm_dsc_picture_parameter_set *pps) { struct mipi_dsi_msg msg = { .channel = dsi->channel, @@ -738,6 +771,62 @@ ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload, EXPORT_SYMBOL(mipi_dsi_generic_write); /** + * mipi_dsi_generic_write_chatty() - mipi_dsi_generic_write() w/ an error log + * @dsi: DSI peripheral device + * @payload: buffer containing the payload + * @size: size of payload buffer + * + * Like mipi_dsi_generic_write() but includes a dev_err() + * call for you and returns 0 upon success, not the number of bytes sent. + * + * Return: 0 on success or a negative error code on failure. + */ +int mipi_dsi_generic_write_chatty(struct mipi_dsi_device *dsi, + const void *payload, size_t size) +{ + struct device *dev = &dsi->dev; + ssize_t ret; + + ret = mipi_dsi_generic_write(dsi, payload, size); + if (ret < 0) { + dev_err(dev, "sending generic data %*ph failed: %zd\n", + (int)size, payload, ret); + return ret; + } + + return 0; +} +EXPORT_SYMBOL(mipi_dsi_generic_write_chatty); + +/** + * mipi_dsi_generic_write_multi() - mipi_dsi_generic_write_chatty() w/ accum_err + * @ctx: Context for multiple DSI transactions + * @payload: buffer containing the payload + * @size: size of payload buffer + * + * Like mipi_dsi_generic_write_chatty() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_generic_write_multi(struct mipi_dsi_multi_context *ctx, + const void *payload, size_t size) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_generic_write(dsi, payload, size); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending generic data %*ph failed: %d\n", + (int)size, payload, ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_generic_write_multi); + +/** * mipi_dsi_generic_read() - receive data using a generic read packet * @dsi: DSI peripheral device * @params: buffer containing the request parameters @@ -784,6 +873,41 @@ ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params, EXPORT_SYMBOL(mipi_dsi_generic_read); /** + * drm_mipi_dsi_get_input_bus_fmt() - Get the required MEDIA_BUS_FMT_* based + * input pixel format for a given DSI output + * pixel format + * @dsi_format: pixel format that a DSI host needs to output + * + * Various DSI hosts can use this function during their + * &drm_bridge_funcs.atomic_get_input_bus_fmts operation to ascertain + * the MEDIA_BUS_FMT_* pixel format required as input. + * + * RETURNS: + * a 32-bit MEDIA_BUS_FMT_* value on success or 0 in case of failure. + */ +u32 drm_mipi_dsi_get_input_bus_fmt(enum mipi_dsi_pixel_format dsi_format) +{ + switch (dsi_format) { + case MIPI_DSI_FMT_RGB888: + return MEDIA_BUS_FMT_RGB888_1X24; + + case MIPI_DSI_FMT_RGB666: + return MEDIA_BUS_FMT_RGB666_1X24_CPADHI; + + case MIPI_DSI_FMT_RGB666_PACKED: + return MEDIA_BUS_FMT_RGB666_1X18; + + case MIPI_DSI_FMT_RGB565: + return MEDIA_BUS_FMT_RGB565_1X16; + + default: + /* Unsupported DSI Format */ + return 0; + } +} +EXPORT_SYMBOL(drm_mipi_dsi_get_input_bus_fmt); + +/** * mipi_dsi_dcs_write_buffer() - transmit a DCS command with payload * @dsi: DSI peripheral device * @data: buffer containing data to be transmitted @@ -826,6 +950,62 @@ ssize_t mipi_dsi_dcs_write_buffer(struct mipi_dsi_device *dsi, EXPORT_SYMBOL(mipi_dsi_dcs_write_buffer); /** + * mipi_dsi_dcs_write_buffer_chatty - mipi_dsi_dcs_write_buffer() w/ an error log + * @dsi: DSI peripheral device + * @data: buffer containing data to be transmitted + * @len: size of transmission buffer + * + * Like mipi_dsi_dcs_write_buffer() but includes a dev_err() + * call for you and returns 0 upon success, not the number of bytes sent. + * + * Return: 0 on success or a negative error code on failure. + */ +int mipi_dsi_dcs_write_buffer_chatty(struct mipi_dsi_device *dsi, + const void *data, size_t len) +{ + struct device *dev = &dsi->dev; + ssize_t ret; + + ret = mipi_dsi_dcs_write_buffer(dsi, data, len); + if (ret < 0) { + dev_err(dev, "sending dcs data %*ph failed: %zd\n", + (int)len, data, ret); + return ret; + } + + return 0; +} +EXPORT_SYMBOL(mipi_dsi_dcs_write_buffer_chatty); + +/** + * mipi_dsi_dcs_write_buffer_multi - mipi_dsi_dcs_write_buffer_chatty() w/ accum_err + * @ctx: Context for multiple DSI transactions + * @data: buffer containing data to be transmitted + * @len: size of transmission buffer + * + * Like mipi_dsi_dcs_write_buffer_chatty() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_write_buffer_multi(struct mipi_dsi_multi_context *ctx, + const void *data, size_t len) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_write_buffer(dsi, data, len); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending dcs data %*ph failed: %d\n", + (int)len, data, ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_write_buffer_multi); + +/** * mipi_dsi_dcs_write() - send DCS write command * @dsi: DSI peripheral device * @cmd: DCS command @@ -898,6 +1078,8 @@ 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) @@ -916,6 +1098,8 @@ EXPORT_SYMBOL(mipi_dsi_dcs_nop); * mipi_dsi_dcs_soft_reset() - perform a software reset of the display module * @dsi: DSI peripheral device * + * This function is deprecated. Use mipi_dsi_dcs_soft_reset_multi() instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_soft_reset(struct mipi_dsi_device *dsi) @@ -985,6 +1169,8 @@ 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) @@ -1004,6 +1190,8 @@ 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() instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi) @@ -1023,6 +1211,8 @@ 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() instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_set_display_off(struct mipi_dsi_device *dsi) @@ -1042,6 +1232,8 @@ 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() instead. + * * Return: 0 on success or a negative error code on failure */ int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi) @@ -1063,6 +1255,9 @@ 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, @@ -1087,6 +1282,9 @@ 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, @@ -1105,30 +1303,13 @@ int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start, EXPORT_SYMBOL(mipi_dsi_dcs_set_page_address); /** - * mipi_dsi_dcs_set_tear_off() - turn off the display module's Tearing Effect - * output signal on the TE signal line - * @dsi: DSI peripheral device - * - * Return: 0 on success or a negative error code on failure - */ -int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi) -{ - ssize_t err; - - err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_TEAR_OFF, NULL, 0); - if (err < 0) - return err; - - return 0; -} -EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_off); - -/** * mipi_dsi_dcs_set_tear_on() - turn on the display module's Tearing Effect * output signal on the TE signal line. * @dsi: DSI peripheral device * @mode: the Tearing Effect Output Line mode * + * This function is deprecated. Use mipi_dsi_dcs_set_tear_on_multi() instead. + * * Return: 0 on success or a negative error code on failure */ int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, @@ -1152,6 +1333,9 @@ 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) @@ -1173,6 +1357,9 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_pixel_format); * @dsi: DSI peripheral device * @scanline: scanline to use as trigger * + * This function is deprecated. Use mipi_dsi_dcs_set_tear_scanline_multi() + * instead. + * * Return: 0 on success or a negative error code on failure */ int mipi_dsi_dcs_set_tear_scanline(struct mipi_dsi_device *dsi, u16 scanline) @@ -1195,6 +1382,9 @@ 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_multi() + * instead. + * * Return: 0 on success or a negative error code on failure. */ int mipi_dsi_dcs_set_display_brightness(struct mipi_dsi_device *dsi, @@ -1290,6 +1480,447 @@ int mipi_dsi_dcs_get_display_brightness_large(struct mipi_dsi_device *dsi, } EXPORT_SYMBOL(mipi_dsi_dcs_get_display_brightness_large); +/** + * mipi_dsi_picture_parameter_set_multi() - transmit the DSC PPS to the peripheral + * @ctx: Context for multiple DSI transactions + * @pps: VESA DSC 1.1 Picture Parameter Set + * + * Like mipi_dsi_picture_parameter_set() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_picture_parameter_set_multi(struct mipi_dsi_multi_context *ctx, + const struct drm_dsc_picture_parameter_set *pps) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_picture_parameter_set(dsi, pps); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending PPS failed: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_picture_parameter_set_multi); + +/** + * mipi_dsi_compression_mode_ext_multi() - enable/disable DSC on the peripheral + * @ctx: Context for multiple DSI transactions + * @enable: Whether to enable or disable the DSC + * @algo: Selected compression algorithm + * @pps_selector: Select PPS from the table of pre-stored or uploaded PPS entries + * + * Like mipi_dsi_compression_mode_ext() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_compression_mode_ext_multi(struct mipi_dsi_multi_context *ctx, + bool enable, + enum mipi_dsi_compression_algo algo, + unsigned int pps_selector) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_compression_mode_ext(dsi, enable, algo, pps_selector); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending COMPRESSION_MODE failed: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_compression_mode_ext_multi); + +/** + * mipi_dsi_compression_mode_multi() - enable/disable DSC on the peripheral + * @ctx: Context for multiple DSI transactions + * @enable: Whether to enable or disable the DSC + * + * Enable or disable Display Stream Compression on the peripheral using the + * default Picture Parameter Set and VESA DSC 1.1 algorithm. + */ +void mipi_dsi_compression_mode_multi(struct mipi_dsi_multi_context *ctx, + bool enable) +{ + return mipi_dsi_compression_mode_ext_multi(ctx, enable, + MIPI_DSI_COMPRESSION_DSC, 0); +} +EXPORT_SYMBOL(mipi_dsi_compression_mode_multi); + +/** + * mipi_dsi_dcs_nop_multi() - send DCS NOP packet + * @ctx: Context for multiple DSI transactions + * + * Like mipi_dsi_dcs_nop() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_nop_multi(struct mipi_dsi_multi_context *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_nop(dsi); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending DCS NOP failed: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_nop_multi); + +/** + * mipi_dsi_dcs_enter_sleep_mode_multi() - send DCS ENTER_SLEEP_MODE packet + * @ctx: Context for multiple DSI transactions + * + * Like mipi_dsi_dcs_enter_sleep_mode() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_enter_sleep_mode_multi(struct mipi_dsi_multi_context *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending DCS ENTER_SLEEP_MODE failed: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_enter_sleep_mode_multi); + +/** + * mipi_dsi_dcs_exit_sleep_mode_multi() - send DCS EXIT_SLEEP_MODE packet + * @ctx: Context for multiple DSI transactions + * + * Like mipi_dsi_dcs_exit_sleep_mode() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_exit_sleep_mode_multi(struct mipi_dsi_multi_context *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending DCS EXIT_SLEEP_MODE failed: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_exit_sleep_mode_multi); + +/** + * mipi_dsi_dcs_set_display_off_multi() - send DCS SET_DISPLAY_OFF packet + * @ctx: Context for multiple DSI transactions + * + * Like mipi_dsi_dcs_set_display_off() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_display_off_multi(struct mipi_dsi_multi_context *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending DCS SET_DISPLAY_OFF failed: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_display_off_multi); + +/** + * mipi_dsi_dcs_set_display_on_multi() - send DCS SET_DISPLAY_ON packet + * @ctx: Context for multiple DSI transactions + * + * Like mipi_dsi_dcs_set_display_on() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_display_on_multi(struct mipi_dsi_multi_context *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending DCS SET_DISPLAY_ON failed: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_display_on_multi); + +/** + * mipi_dsi_dcs_set_tear_on_multi() - send DCS SET_TEAR_ON packet + * @ctx: Context for multiple DSI transactions + * @mode: the Tearing Effect Output Line mode + * + * Like mipi_dsi_dcs_set_tear_on() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_tear_on_multi(struct mipi_dsi_multi_context *ctx, + enum mipi_dsi_dcs_tear_mode mode) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_set_tear_on(dsi, mode); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "sending DCS SET_TEAR_ON failed: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_on_multi); + +/** + * 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 = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_turn_on_peripheral(dsi); + if (ret < 0) { + ctx->accum_err = 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_set_tear_off_multi() - turn off the display module's Tearing Effect + * output signal on the TE signal line + * @ctx: Context for multiple DSI transactions + */ +void mipi_dsi_dcs_set_tear_off_multi(struct mipi_dsi_multi_context *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + ssize_t err; + + if (ctx->accum_err) + return; + + err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_TEAR_OFF, NULL, 0); + if (err < 0) { + ctx->accum_err = err; + dev_err(dev, "Failed to set tear off: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_off_multi); + +/** + * mipi_dsi_dcs_soft_reset_multi() - perform a software reset of the display 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 = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_soft_reset(dsi); + if (ret < 0) { + ctx->accum_err = 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 way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_display_brightness_multi(struct mipi_dsi_multi_context *ctx, + u16 brightness) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness); + if (ret < 0) { + ctx->accum_err = 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 RGB 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 *ctx, + u8 format) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_set_pixel_format(dsi, format); + if (ret < 0) { + ctx->accum_err = 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 the + * 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 that + * 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 = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_set_column_address(dsi, start, end); + if (ret < 0) { + ctx->accum_err = 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 *ctx, + u16 start, u16 end) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_set_page_address(dsi, start, end); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "Failed to set page address: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_page_address_multi); + +/** + * mipi_dsi_dcs_set_tear_scanline_multi() - set the scanline to use as trigger for + * the Tearing Effect output signal of the display module + * @ctx: Context for multiple DSI transactions + * @scanline: scanline to use as trigger + * + * Like mipi_dsi_dcs_set_tear_scanline() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_tear_scanline_multi(struct mipi_dsi_multi_context *ctx, + u16 scanline) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_set_tear_scanline(dsi, scanline); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "Failed to set tear scanline: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline_multi); + static int mipi_dsi_drv_probe(struct device *dev) { struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver); |