1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/media/sprd_sensor/csi2/csi_api.h b/drivers/media/sprd_sensor/csi2/csi_api.h
new file mode 100644
index 00000000..b49bee7a
--- /dev/null
+++ b/drivers/media/sprd_sensor/csi2/csi_api.h
@@ -0,0 +1,79 @@
+/*
+ * csi_driver
+ * 12/05/2010
+ * Synopsys Inc. PT02
+ */
+
+#ifndef CSI_API_H_
+#define CSI_API_H_
+
+#include "csi_types.h"
+#include "csi_driver.h"
+#include <linux/spinlock.h>
+
+#define SPRD_CSI2_REG_SIZE             0x40
+
+typedef int (*csi2_isr_func)(u32 err_id, u32 err_status, void* u_data);
+
+/* enumerators index the handler array rather than masks */
+typedef enum
+{
+    ERR_PHY_TX_START = 0,
+    ERR_FRAME_BOUNDARY_MATCH = 4,
+    ERR_FRAME_SEQUENCE = 8,
+    ERR_CRC_DURING_FRAME = 12,
+    ERR_LINE_CRC = 16,
+    ERR_DOUBLE_ECC = 20,
+    ERR_PHY_ESCAPE_ENTRY = 21,
+    ERR_ECC_SINGLE = 25,
+    ERR_UNSUPPORTED_DATA_TYPE = 29,
+    MAX_EVENT = 49
+} csi_event_t;
+typedef enum
+{
+    ERR_LINE_BOUNDARY_MATCH = 33,
+    ERR_LINE_SEQUENCE = 41
+} csi_line_event_t;
+typedef enum
+{
+    ERROR_VC_LANE_OUT_OF_BOUND =    0xCA,
+    ERROR_EVENT_TYPE_INVALID = 0xC9,
+    ERROR_DATA_TYPE_INVALID = 0xC8,
+    ERROR_SLOTS_FULL = 0xC7,
+    ERROR_ALREADY_REGISTERED = 0xC6,
+    ERROR_NOT_REGISTERED = 0xC5
+} csi_api_error_t;
+
+struct csi_context {
+	u32                g_csi2_irq;
+	csi2_isr_func      isr_cb;
+	void              *u_data;
+	spinlock_t         csi2_lock;
+	handler_t          csi_api_event_registry[MAX_EVENT];
+};
+
+int csi_api_malloc(void **handle);
+void csi_api_free(void *handle);
+u8 csi_api_init(u32 bps_per_lane, u32 phy_id);
+u8 csi_api_start(void *handle);
+//u8 csi_api_start(u32 base_address);
+u8 csi_api_close(void *handle, u32 phy_id);
+u8 csi_api_set_on_lanes(u8 no_of_lanes);
+u8 csi_api_get_on_lanes(void);
+csi_lane_state_t csi_api_get_clk_state(void);
+csi_lane_state_t csi_api_get_lane_state(u8 lane);
+u8 csi_api_register_line_event(void *handle, u8 vc, csi_data_type_t data_type, csi_line_event_t line_event, handler_t handler);
+u8 csi_api_unregister_line_event(void *handle, u8 vc, csi_data_type_t data_type, csi_line_event_t line_event);
+u8 csi_api_register_event(void *handle, csi_event_t event, u8 vc_lane, handler_t handler);
+u8 csi_api_unregister_event(void *handle, csi_event_t event, u8 vc_lane);
+u8 csi_api_unregister_all_events(void *handle);
+u8 csi_api_shut_down_phy(u8 shutdown);
+u8 csi_api_reset_phy(void);
+u8 csi_api_reset_controller(void);
+u8 csi_api_core_write(csi_registers_t address, u32 data);
+u32 csi_api_core_read(csi_registers_t address);
+int csi_reg_isr(void *handle, csi2_isr_func user_func, void* user_data);
+int csi_read_registers(uint32_t* reg_buf, uint32_t *buf_len);
+
+#endif /* CSI_API_H_ */
+