On 04/23/2015 03:03 PM, Kamil Debski wrote:
> From: Hans Verkuil <hansverk@xxxxxxxxx>
>
> The added HDMI CEC framework provides a generic kernel interface for
> HDMI CEC devices.
>
> Signed-off-by: Hans Verkuil <hansverk@xxxxxxxxx>
> [k.debski@xxxxxxxxxxx: Merged CEC Updates commit by Hans Verkuil]
> [k.debski@xxxxxxxxxxx: Merged Update author commit by Hans Verkuil]
> [k.debski@xxxxxxxxxxx: change kthread handling when setting logical
> address]
> [k.debski@xxxxxxxxxxx: code cleanup and fixes]
> [k.debski@xxxxxxxxxxx: add missing CEC commands to match spec]
> [k.debski@xxxxxxxxxxx: add RC framework support]
> [k.debski@xxxxxxxxxxx: move and edit documentation]
> [k.debski@xxxxxxxxxxx: add vendor id reporting]
> [k.debski@xxxxxxxxxxx: add possibility to clear assigned logical
> addresses]
> [k.debski@xxxxxxxxxxx: documentation fixes, clenaup and expansion]
> [k.debski@xxxxxxxxxxx: reorder of API structs and add reserved fields]
> [k.debski@xxxxxxxxxxx: fix handling of events and fix 32/64bit timespec
> problem]
> [k.debski@xxxxxxxxxxx: add cec.h to include/uapi/linux/Kbuild]
> Signed-off-by: Kamil Debski <k.debski@xxxxxxxxxxx>
> ---
> Documentation/cec.txt | 396 ++++++++++++++++
> drivers/media/Kconfig | 6 +
> drivers/media/Makefile | 2 +
> drivers/media/cec.c | 1161 +++++++++++++++++++++++++++++++++++++++++++++
> include/media/cec.h | 140 ++++++
> include/uapi/linux/Kbuild | 1 +
> include/uapi/linux/cec.h | 303 ++++++++++++
> 7 files changed, 2009 insertions(+)
> create mode 100644 Documentation/cec.txt
> create mode 100644 drivers/media/cec.c
> create mode 100644 include/media/cec.h
> create mode 100644 include/uapi/linux/cec.h
>
> diff --git a/include/uapi/linux/cec.h b/include/uapi/linux/cec.h
> new file mode 100644
> index 0000000..bb6d66c
> --- /dev/null
> +++ b/include/uapi/linux/cec.h
> @@ -0,0 +1,303 @@
> +
> +/* Userspace has to configure the adapter state (enable/disable) */
> +#define CEC_CAP_STATE (1 << 0)
> +/* Userspace has to configure the physical address */
> +#define CEC_CAP_PHYS_ADDR (1 << 1)
> +/* Userspace has to configure the logical addresses */
> +#define CEC_CAP_LOG_ADDRS (1 << 2)
> +/* Userspace can transmit messages */
> +#define CEC_CAP_TRANSMIT (1 << 3)
> +/* Userspace can receive messages */
> +#define CEC_CAP_RECEIVE (1 << 4)
> +/* Userspace has to configure the vendor id */
> +#define CEC_CAP_VENDOR_ID (1 << 5)
> +/* The hardware has the possibility to work in the promiscuous mode */
> +#define CEC_CAP_PROMISCUOUS (1 << 6)
Since promiscuous support has been dropped, this capability needs to be
dropped as well.
> +
> +struct cec_caps {
> + __u32 available_log_addrs;
> + __u32 capabilities;
> + __u32 vendor_id;
> + __u8 version;
> + __u8 reserved[11];
I'd increase this to 31.
> +};
> +
> +struct cec_log_addrs {
> + __u8 cec_version;
> + __u8 num_log_addrs;
> + __u8 primary_device_type[CEC_MAX_LOG_ADDRS];
> + __u8 log_addr_type[CEC_MAX_LOG_ADDRS];
> + __u8 log_addr[CEC_MAX_LOG_ADDRS];
> +
> + /* CEC 2.0 */
> + __u8 all_device_types;
> + __u8 features[CEC_MAX_LOG_ADDRS][12];
> +
> + __u8 reserved[9];
I'd increase this to 65 or so.
Regards,
Hans
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