video: screen-timeing: sdk mipi: The frame rate increased from 44 to 55

[firefly-linux-kernel-4.4.55.git] / include / linux / adc.h

diff --git a/include/linux/adc.h b/include/linux/adc.h
index d9ed72afbe0ffe18a3f9e0a5fa1a90fefc22dbed..178545e7e2ff265bc050eca9f2b5547f52658457 100755 (executable)
--- a/include/linux/adc.h
+++ b/include/linux/adc.h
@@ -9,69 +9,60 @@
 #ifndef __ASM_ADC_CORE_H\r
 #define __ASM_ADC_CORE_H\r
 \r
-#define MAX_ADC_CHN 4\r
-#define MAX_ADC_FIFO_DEPTH 8\r
+#include <linux/list.h>\r
+#include <linux/wait.h>\r
 \r
+enum host_chn_shift{\r
+        SARADC_CHN_SHIFT = 0,\r
+        CUSTOM_CHN_SHIFT = 28\r
+};\r
 \r
-struct adc_client {\r
-       int chn;\r
-       int time;\r
-       int result;\r
-       void (*callback)(struct adc_client *, void *, int);\r
-       void *callback_param;\r
-\r
-       struct adc_host *adc;\r
+enum host_chn_mask{\r
+        SARADC_CHN_MASK = 0x0000000f,  // saradc: 0 -- 15\r
+        CUSTOM_CHN_MASK = 0xf0000000,\r
 };\r
 \r
-struct adc_request {\r
-       int result;\r
-       int chn;\r
+struct adc_host;\r
+struct adc_client {\r
+        unsigned int index;\r
+        unsigned int chn;\r
+        unsigned int is_finished;\r
+        unsigned int flags;\r
+        int result;\r
+       struct adc_host *adc;\r
+        struct list_head list;\r
+        wait_queue_head_t      wait;\r
        void (*callback)(struct adc_client *, void *, int);\r
        void *callback_param;\r
-       struct adc_client *client;\r
-       /* Used in case of sync requests */\r
-       struct completion completion;\r
-#define ASYNC_READ 0\r
-#define SYNC_READ 1\r
-       int status;\r
-};\r
-struct adc_host;\r
-struct adc_ops {\r
-       void (*start)(struct adc_host *);\r
-       void (*stop)(struct adc_host *);\r
-       int (*read)(struct adc_host *);\r
-};\r
-       \r
-       \r
-struct adc_host {\r
-       struct device *dev;\r
-       int is_suspended;\r
-       struct adc_request *queue[MAX_ADC_FIFO_DEPTH];\r
-       int queue_head;\r
-       int queue_tail;\r
-       struct mutex queue_mutex;\r
-       struct adc_client *cur;\r
-       const struct adc_ops *ops;\r
-       unsigned long           private[0];\r
 };\r
-static inline void *adc_priv(struct adc_host *adc)\r
-{\r
-       return (void *)adc->private;\r
-}\r
-       \r
-extern struct adc_host *adc_alloc_host(int extra, struct device *dev);\r
-extern void adc_free_host(struct adc_host *adc);\r
-extern void adc_core_irq_handle(struct adc_host *adc);\r
-\r
 \r
 #ifdef CONFIG_ADC\r
-extern struct adc_client *adc_register(int chn,\r
+struct adc_client *adc_register(int chn,\r
                                void (*callback)(struct adc_client *, void *, int), \r
                                void *callback_param);\r
-extern void adc_unregister(struct adc_client *client);\r
-\r
-extern int adc_sync_read(struct adc_client *client);\r
-extern int adc_async_read(struct adc_client *client);\r
+void adc_unregister(struct adc_client *client);\r
+/*\r
+ * function: adc_sync_read\r
+ * 1)return value:\r
+ *     if correct, return adc sample value;\r
+ *     if error, return negative;\r
+ */\r
+int adc_sync_read(struct adc_client *client);\r
+/*\r
+ * function: adc_async_read\r
+ * 1)return value: if error, return negative; else return 0;\r
+ * 2)adc sample value: the third parameter of callback.\r
+ *     if timeout, sample value is -1; else sample value is non-negative\r
+ */\r
+int adc_async_read(struct adc_client *client);\r
+/*\r
+ * function: return current reference voltage, unit: mV\r
+ */\r
+int adc_get_curr_ref_volt(void);\r
+/*\r
+ * function: return default reference voltage, unit: mV\r
+ */\r
+int adc_get_def_ref_volt(void);\r
 #else\r
 static inline struct adc_client *adc_register(int chn,\r
                                void (*callback)(struct adc_client *, void *, int),\r
@@ -80,8 +71,10 @@ static inline struct adc_client *adc_register(int chn,
        return NULL;\r
 }\r
 static inline void adc_unregister(struct adc_client *client) {}\r
-static inline int adc_sync_read(struct adc_client *client) { return -EINVAL; }\r
-static inline int adc_async_read(struct adc_client *client) { return -EINVAL; }\r
+static inline int adc_sync_read(struct adc_client *client) { return -1; }\r
+static inline int adc_async_read(struct adc_client *client) { return -1; }\r
+static inline int adc_get_curr_ref_volt(void) { return -1; }\r
+static inline int adc_get_def_ref_volt(void) { return -1; }\r
 #endif\r
 \r
 #endif\r