1 files changed, 130 insertions, 0 deletions
diff --git a/drivers/media/sprd_sensor/csi2/csi_api_null.c b/drivers/media/sprd_sensor/csi2/csi_api_null.c
new file mode 100755
index 00000000..56b7556f
--- /dev/null
+++ b/drivers/media/sprd_sensor/csi2/csi_api_null.c
@@ -0,0 +1,130 @@
+#include <linux/kernel.h>
+#include <linux/semaphore.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+
+
+#include "csi_api.h"
+#include "csi_log.h"
+
+void csi_api_event1_handler(int irq, void *handle);
+void csi_api_event2_handler(int irq, void *handle);
+int csi_api_malloc(void **handle)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+
+void csi_api_free(void *handle)
+{
+}
+u8 csi_api_init(u32 bps_per_lane, u32 phy_id)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_start(void *handle)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_close(void *handle, u32 phy_id)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_set_on_lanes(u8 no_of_lanes)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+
+u8 csi_api_get_on_lanes()
+{
+	return ERR_NOT_COMPATIBLE;
+}
+csi_lane_state_t csi_api_get_clk_state()
+{
+	return ERR_NOT_COMPATIBLE;
+}
+csi_lane_state_t csi_api_get_lane_state(u8 lane)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_register_event(void *handle, csi_event_t event, u8 vc_lane, handler_t handler)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_unregister_event(void *handle, csi_event_t event, u8 vc_lane)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+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)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_unregister_line_event(void *handle, u8 vc, csi_data_type_t data_type, csi_line_event_t line_event)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+void csi_api_event1_handler(int irq, void *handle)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+void csi_api_event2_handler(int irq, void *handle)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_unregister_all_events(void *handle)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_shut_down_phy(u8 shutdown)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_reset_phy()
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_reset_controller()
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u8 csi_api_core_write(csi_registers_t address, u32 data)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+u32 csi_api_core_read(csi_registers_t address)
+{
+	return ERR_NOT_COMPATIBLE;
+}
+
+int csi_reg_isr(void *handle, csi2_isr_func user_func, void* user_data)
+{
+	unsigned long                flag;
+	struct csi_context *csi_handle = handle;
+	if (NULL == handle) {
+		printk("handle null\n");
+		return ERR_UNDEFINED;
+	}
+
+	spin_lock_irqsave(&csi_handle->csi2_lock, flag);
+	csi_handle->isr_cb = user_func;
+	csi_handle->u_data = user_data;
+	spin_unlock_irqrestore(&csi_handle->csi2_lock, flag);
+	return 0;
+}
+
+int csi_read_registers(u32* reg_buf, u32 *buf_len)
+{
+	u32                *reg_addr = (u32*)CSI2_BASE;
+
+	if (NULL == reg_buf || NULL == buf_len || 0 != (*buf_len % 4)) {
+		return -1;
+	}
+
+	while (buf_len != 0 && (u32)reg_addr < (CSI2_BASE + SPRD_CSI2_REG_SIZE)) {
+		*reg_buf++ = *(volatile u32*)reg_addr++;
+		*buf_len -= 4;
+	}
+
+	*buf_len = SPRD_CSI2_REG_SIZE;
+	return 0;
+}