summaryrefslogtreecommitdiffstats
path: root/include/media/cec.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/media/cec.h')
-rw-r--r--include/media/cec.h98
1 files changed, 97 insertions, 1 deletions
diff --git a/include/media/cec.h b/include/media/cec.h
index 707411ef8ba2..4d59387bc61b 100644
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -17,7 +17,9 @@
#include <linux/timer.h>
#include <linux/cec-funcs.h>
#include <media/rc-core.h>
-#include <media/cec-notifier.h>
+
+/* CEC_ADAP_G_CONNECTOR_INFO is available */
+#define CEC_CAP_CONNECTOR_INFO (1 << 8)
#define CEC_CAP_DEFAULTS (CEC_CAP_LOG_ADDRS | CEC_CAP_TRANSMIT | \
CEC_CAP_PASSTHROUGH | CEC_CAP_RC)
@@ -53,6 +55,7 @@ struct cec_devnode {
struct cec_adapter;
struct cec_data;
struct cec_pin;
+struct cec_notifier;
struct cec_data {
struct list_head list;
@@ -144,6 +147,34 @@ struct cec_adap_ops {
*/
#define CEC_MAX_MSG_TX_QUEUE_SZ (18 * 1)
+/**
+ * struct cec_drm_connector_info - tells which drm connector is
+ * associated with the CEC adapter.
+ * @card_no: drm card number
+ * @connector_id: drm connector ID
+ */
+struct cec_drm_connector_info {
+ __u32 card_no;
+ __u32 connector_id;
+};
+
+#define CEC_CONNECTOR_TYPE_NO_CONNECTOR 0
+#define CEC_CONNECTOR_TYPE_DRM 1
+
+/**
+ * struct cec_connector_info - tells if and which connector is
+ * associated with the CEC adapter.
+ * @type: connector type (if any)
+ * @drm: drm connector info
+ */
+struct cec_connector_info {
+ __u32 type;
+ union {
+ struct cec_drm_connector_info drm;
+ __u32 raw[16];
+ };
+};
+
struct cec_adapter {
struct module *owner;
char name[32];
@@ -182,6 +213,7 @@ struct cec_adapter {
struct cec_fh *cec_initiator;
bool passthrough;
struct cec_log_addrs log_addrs;
+ struct cec_connector_info conn_info;
u32 tx_timeouts;
@@ -233,6 +265,7 @@ static inline bool cec_is_registered(const struct cec_adapter *adap)
((pa) >> 12), ((pa) >> 8) & 0xf, ((pa) >> 4) & 0xf, (pa) & 0xf
struct edid;
+struct drm_connector;
#if IS_REACHABLE(CONFIG_CEC_CORE)
struct cec_adapter *cec_allocate_adapter(const struct cec_adap_ops *ops,
@@ -247,6 +280,8 @@ void cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr,
bool block);
void cec_s_phys_addr_from_edid(struct cec_adapter *adap,
const struct edid *edid);
+void cec_s_conn_info(struct cec_adapter *adap,
+ const struct cec_connector_info *conn_info);
int cec_transmit_msg(struct cec_adapter *adap, struct cec_msg *msg,
bool block);
@@ -331,6 +366,9 @@ void cec_queue_pin_5v_event(struct cec_adapter *adap, bool is_high, ktime_t ts);
u16 cec_get_edid_phys_addr(const u8 *edid, unsigned int size,
unsigned int *offset);
+void cec_fill_conn_info_from_drm(struct cec_connector_info *conn_info,
+ const struct drm_connector *connector);
+
#else
static inline int cec_register_adapter(struct cec_adapter *adap,
@@ -365,6 +403,64 @@ static inline u16 cec_get_edid_phys_addr(const u8 *edid, unsigned int size,
return CEC_PHYS_ADDR_INVALID;
}
+static inline void cec_s_conn_info(struct cec_adapter *adap,
+ const struct cec_connector_info *conn_info)
+{
+}
+
+static inline void
+cec_fill_conn_info_from_drm(struct cec_connector_info *conn_info,
+ const struct drm_connector *connector)
+{
+ memset(conn_info, 0, sizeof(*conn_info));
+}
+
+#endif
+
+#if IS_REACHABLE(CONFIG_CEC_CORE) && IS_ENABLED(CONFIG_CEC_NOTIFIER)
+
+/**
+ * cec_notifier_register - register a callback with the notifier
+ * @n: the CEC notifier
+ * @adap: the CEC adapter, passed as argument to the callback function
+ * @callback: the callback function
+ */
+void cec_notifier_register(struct cec_notifier *n,
+ struct cec_adapter *adap,
+ void (*callback)(struct cec_adapter *adap, u16 pa));
+
+/**
+ * cec_notifier_unregister - unregister the callback from the notifier.
+ * @n: the CEC notifier
+ */
+void cec_notifier_unregister(struct cec_notifier *n);
+
+/**
+ * cec_register_cec_notifier - register the notifier with the cec adapter.
+ * @adap: the CEC adapter
+ * @notifier: the CEC notifier
+ */
+void cec_register_cec_notifier(struct cec_adapter *adap,
+ struct cec_notifier *notifier);
+
+#else
+
+static inline void
+cec_notifier_register(struct cec_notifier *n,
+ struct cec_adapter *adap,
+ void (*callback)(struct cec_adapter *adap, u16 pa))
+{
+}
+
+static inline void cec_notifier_unregister(struct cec_notifier *n)
+{
+}
+
+static inline void cec_register_cec_notifier(struct cec_adapter *adap,
+ struct cec_notifier *notifier)
+{
+}
+
#endif
/**