diff options
| author |   Thierry Reding <treding@nvidia.com> | 2014-08-05 10:41:13 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-11-13 13:55:57 +0100 |
| commit | 009081e0874d28b504ffa1842f6ddfafd2dd36fc (patch) | |
| tree | 5457fbed8f4636ffaa10455f0d60189642669404 /include/drm/drm_mipi_dsi.h | |
| parent | drm/dsi: Implement some standard DCS commands (diff) | |
| download | wireguard-linux-009081e0874d28b504ffa1842f6ddfafd2dd36fc.tar.xz wireguard-linux-009081e0874d28b504ffa1842f6ddfafd2dd36fc.zip | |
drm/dsi: Add to DocBook documentation
Integrate the MIPI DSI helpers into DocBook and clean up various
kerneldoc warnings. Also add a brief DOC section and clarify some
aspects of the mipi_dsi_host struct's .transfer() operation.
Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'include/drm/drm_mipi_dsi.h')
| -rw-r--r-- | include/drm/drm_mipi_dsi.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index b2106ad2dd7f..31678cecd891 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -26,6 +26,7 @@ struct mipi_dsi_device; * struct mipi_dsi_msg - read/write DSI buffer * @channel: virtual channel id * @type: payload data type + * @flags: flags controlling this message transmission * @tx_len: length of @tx_buf * @tx_buf: data to be written * @rx_len: length of @rx_buf @@ -68,8 +69,19 @@ int mipi_dsi_create_packet(struct mipi_dsi_packet *packet, * struct mipi_dsi_host_ops - DSI bus operations * @attach: attach DSI device to DSI host * @detach: detach DSI device from DSI host - * @transfer: send and/or receive DSI packet, return number of received bytes, - * or error + * @transfer: transmit a DSI packet + * + * DSI packets transmitted by .transfer() are passed in as mipi_dsi_msg + * structures. This structure contains information about the type of packet + * being transmitted as well as the transmit and receive buffers. When an + * error is encountered during transmission, this function will return a + * negative error code. On success it shall return the number of bytes + * transmitted for write packets or the number of bytes received for read + * packets. + * + * 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. */ struct mipi_dsi_host_ops { int (*attach)(struct mipi_dsi_host *host, |