1 files changed, 136 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index 4104f0e8fa48..2bd4ac855f52 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -231,6 +231,142 @@ static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev,
                                         REGISTER_TIMEOUT16(length));
 }
 
+/**
+ * rt2x00usb_regbusy_read - Read 32bit register word
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @value: Pointer to where register contents should be stored
+ *
+ * This function is a simple wrapper for 32bit register access
+ * through rt2x00usb_vendor_request_buff().
+ */
+static inline void rt2x00usb_register_read(struct rt2x00_dev *rt2x00dev,
+                                           const unsigned int offset,
+                                           u32 *value)
+{
+        __le32 reg;
+        rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
+                                      USB_VENDOR_REQUEST_IN, offset,
+                                      &reg, sizeof(reg), REGISTER_TIMEOUT);
+        *value = le32_to_cpu(reg);
+}
+
+/**
+ * rt2x00usb_register_read_lock - Read 32bit register word
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @value: Pointer to where register contents should be stored
+ *
+ * This function is a simple wrapper for 32bit register access
+ * through rt2x00usb_vendor_req_buff_lock().
+ */
+static inline void rt2x00usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
+                                                const unsigned int offset,
+                                                u32 *value)
+{
+        __le32 reg;
+        rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
+                                       USB_VENDOR_REQUEST_IN, offset,
+                                       &reg, sizeof(reg), REGISTER_TIMEOUT);
+        *value = le32_to_cpu(reg);
+}
+
+/**
+ * rt2x00usb_register_multiread - Read 32bit register words
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @value: Pointer to where register contents should be stored
+ * @length: Length of the data
+ *
+ * This function is a simple wrapper for 32bit register access
+ * through rt2x00usb_vendor_request_buff().
+ */
+static inline void rt2x00usb_register_multiread(struct rt2x00_dev *rt2x00dev,
+                                                const unsigned int offset,
+                                                void *value, const u32 length)
+{
+        rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
+                                      USB_VENDOR_REQUEST_IN, offset,
+                                      value, length,
+                                      REGISTER_TIMEOUT32(length));
+}
+
+/**
+ * rt2x00usb_register_write - Write 32bit register word
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @value: Data which should be written
+ *
+ * This function is a simple wrapper for 32bit register access
+ * through rt2x00usb_vendor_request_buff().
+ */
+static inline void rt2x00usb_register_write(struct rt2x00_dev *rt2x00dev,
+                                            const unsigned int offset,
+                                            u32 value)
+{
+        __le32 reg = cpu_to_le32(value);
+        rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
+                                      USB_VENDOR_REQUEST_OUT, offset,
+                                      &reg, sizeof(reg), REGISTER_TIMEOUT);
+}
+
+/**
+ * rt2x00usb_register_write_lock - Write 32bit register word
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @value: Data which should be written
+ *
+ * This function is a simple wrapper for 32bit register access
+ * through rt2x00usb_vendor_req_buff_lock().
+ */
+static inline void rt2x00usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
+                                                 const unsigned int offset,
+                                                 u32 value)
+{
+        __le32 reg = cpu_to_le32(value);
+        rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
+                                       USB_VENDOR_REQUEST_OUT, offset,
+                                       &reg, sizeof(reg), REGISTER_TIMEOUT);
+}
+
+/**
+ * rt2x00usb_register_multiwrite - Write 32bit register words
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @value: Data which should be written
+ * @length: Length of the data
+ *
+ * This function is a simple wrapper for 32bit register access
+ * through rt2x00usb_vendor_request_buff().
+ */
+static inline void rt2x00usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
+                                               const unsigned int offset,
+                                               void *value, const u32 length)
+{
+        rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
+                                      USB_VENDOR_REQUEST_OUT, offset,
+                                      value, length,
+                                      REGISTER_TIMEOUT32(length));
+}
+
+/**
+ * rt2x00usb_regbusy_read - Read from register with busy check
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @field: Field to check if register is busy
+ * @reg: Pointer to where register contents should be stored
+ *
+ * This function will read the given register, and checks if the
+ * register is busy. If it is, it will sleep for a couple of
+ * microseconds before reading the register again. If the register
+ * is not read after a certain timeout, this function will return
+ * FALSE.
+ */
+int rt2x00usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
+                           const unsigned int offset,
+                           struct rt2x00_field32 field,
+                           u32 *reg);
+
 /*
  * Radio handlers
  */