Differential D43039 Diff 136878 sys/dev/firmware/arm/scmi.h

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sys/dev/firmware/arm/scmi.h

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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY		* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.		* SUCH DAMAGE.
*/		*/

#ifndef _ARM64_SCMI_SCMI_H_		#ifndef _ARM64_SCMI_SCMI_H_
#define _ARM64_SCMI_SCMI_H_		#define _ARM64_SCMI_SCMI_H_

		#include "scmi_if.h"

#define SCMI_LOCK(sc) mtx_lock(&(sc)->mtx)		#define SCMI_LOCK(sc) mtx_lock(&(sc)->mtx)
#define SCMI_UNLOCK(sc) mtx_unlock(&(sc)->mtx)		#define SCMI_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
#define SCMI_ASSERT_LOCKED(sc) mtx_assert(&(sc)->mtx, MA_OWNED)		#define SCMI_ASSERT_LOCKED(sc) mtx_assert(&(sc)->mtx, MA_OWNED)

#define dprintf(fmt, ...)		#define dprintf(fmt, ...)

		struct scmi_softc {
		struct simplebus_softc simplebus_sc;
		device_t dev;
		device_t tx_shmem;
		struct mtx mtx;
		};

/* Shared Memory Transfer. */		/* Shared Memory Transfer. */
struct scmi_smt_header {		struct scmi_smt_header {
uint32_t reserved;		uint32_t reserved;
uint32_t channel_status;		uint32_t channel_status;
#define SCMI_SHMEM_CHAN_STAT_CHANNEL_ERROR (1 << 1)		#define SCMI_SHMEM_CHAN_STAT_CHANNEL_ERROR (1 << 1)
#define SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE (1 << 0)		#define SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE (1 << 0)
uint32_t reserved1[2];		uint32_t reserved1[2];
uint32_t flags;		uint32_t flags;
Show All 18 Lines	struct scmi_req {
int protocol_id;		int protocol_id;
int message_id;		int message_id;
const void *in_buf;		const void *in_buf;
uint32_t in_size;		uint32_t in_size;
void *out_buf;		void *out_buf;
uint32_t out_size;		uint32_t out_size;
};		};

		DECLARE_CLASS(scmi_driver);

		int scmi_attach(device_t dev);
int scmi_request(device_t dev, struct scmi_req *req);		int scmi_request(device_t dev, struct scmi_req *req);

void scmi_shmem_read(device_t dev, bus_size_t offset, void *buf,		void scmi_shmem_read(device_t dev, bus_size_t offset, void *buf,
bus_size_t len);		bus_size_t len);
void scmi_shmem_write(device_t dev, bus_size_t offset, const void *buf,		void scmi_shmem_write(device_t dev, bus_size_t offset, const void *buf,
bus_size_t len);		bus_size_t len);

#endif /* !_ARM64_SCMI_SCMI_H_ */		#endif /* !_ARM64_SCMI_SCMI_H_ */