On Fri, Oct 30, 2015 at 5:38 PM, bjorn@kryo.se wrote:
Ping?
From: Werner Johansson werner.johansson@sonymobile.com
The MIPI_DSI_TURN_ON_PERIPHERAL and MIPI_DSI_SHUTDOWN_PERIPHERAL packets are required for some panels, one example being the Panasonic VVX10F034N00 panel.
Signed-off-by: Werner Johansson werner.johansson@sonymobile.com Signed-off-by: Bjorn Andersson bjorn.andersson@sonymobile.com
drivers/gpu/drm/drm_mipi_dsi.c | 47 ++++++++++++++++++++++++++++++++++++++++++ include/drm/drm_mipi_dsi.h | 3 +++ 2 files changed, 50 insertions(+)
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 2d5ca8ee..13b4a9c 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -862,6 +862,53 @@ int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format) } EXPORT_SYMBOL(mipi_dsi_dcs_set_pixel_format);
+/**
- mipi_dsi_raw_short_write() - Sends a data-less short DSI packet
- @dsi: DSI peripheral device
- @type: Data Type of packet to send
- Return: 0 on success or a negative error code on failure.
- */
+static ssize_t mipi_dsi_raw_short_write(struct mipi_dsi_device *dsi, u8 type) +{
u8 dummy[2] = { 0, 0 };struct mipi_dsi_msg msg = {.channel = dsi->channel,.tx_buf = dummy,.tx_len = sizeof(dummy),.type = type};if (mipi_dsi_packet_format_is_short(type))return mipi_dsi_device_transfer(dsi, &msg);elsereturn -1;+}
+/**
- mipi_dsi_turn_on_peripheral() - Sends Turn On Peripheral DSI command
- @dsi: DSI peripheral device
- Return: 0 on success or a negative error code on failure.
- */
+ssize_t mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi) +{
return mipi_dsi_raw_short_write(dsi, MIPI_DSI_TURN_ON_PERIPHERAL);+} +EXPORT_SYMBOL(mipi_dsi_turn_on_peripheral);
+/**
- mipi_dsi_shutdown_peripheral() - Sends Shutdown Peripheral DSI command
- @dsi: DSI peripheral device
- Return: 0 on success or a negative error code on failure.
- */
+ssize_t mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi) +{
return mipi_dsi_raw_short_write(dsi, MIPI_DSI_SHUTDOWN_PERIPHERAL);+} +EXPORT_SYMBOL(mipi_dsi_shutdown_peripheral);
static int mipi_dsi_drv_probe(struct device *dev) { struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver); diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index f1d8d0d..2e0f057 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -215,6 +215,9 @@ int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, enum mipi_dsi_dcs_tear_mode mode); int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format);
+ssize_t mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi); +ssize_t mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi);
/**
- struct mipi_dsi_driver - DSI driver
- @driver: device driver model driver
-- 2.3.2 (Apple Git-55)