diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00usb.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.h | 141 |
1 files changed, 137 insertions, 4 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h index 3b4a67417f95..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, + ®, 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, + ®, 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, + ®, 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, + ®, 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 */ @@ -286,10 +422,7 @@ void rt2x00usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, /* * Device initialization handlers. */ -void rt2x00usb_init_rxentry(struct rt2x00_dev *rt2x00dev, - struct queue_entry *entry); -void rt2x00usb_init_txentry(struct rt2x00_dev *rt2x00dev, - struct queue_entry *entry); +void rt2x00usb_clear_entry(struct queue_entry *entry); int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev); void rt2x00usb_uninitialize(struct rt2x00_dev *rt2x00dev); |