2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
|
|
|
|
<http://rt2x00.serialmonkey.com>
|
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
|
|
it under the terms of the GNU General Public License as published by
|
|
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
|
|
(at your option) any later version.
|
|
|
|
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
GNU General Public License for more details.
|
|
|
|
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
|
|
along with this program; if not, write to the
|
|
|
|
Free Software Foundation, Inc.,
|
|
|
|
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
Module: rt2x00usb
|
|
|
|
Abstract: Data structures for the rt2x00usb module.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef RT2X00USB_H
|
|
|
|
#define RT2X00USB_H
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This variable should be used with the
|
|
|
|
* usb_driver structure initialization.
|
|
|
|
*/
|
|
|
|
#define USB_DEVICE_DATA(__ops) .driver_info = (kernel_ulong_t)(__ops)
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Register defines.
|
|
|
|
* Some registers require multiple attempts before success,
|
|
|
|
* in those cases REGISTER_BUSY_COUNT attempts should be
|
|
|
|
* taken with a REGISTER_BUSY_DELAY interval.
|
|
|
|
* For USB vendor requests we need to pass a timeout
|
|
|
|
* time in ms, for this we use the REGISTER_TIMEOUT,
|
|
|
|
* however when loading firmware a higher value is
|
|
|
|
* required. In that case we use the REGISTER_TIMEOUT_FIRMWARE.
|
|
|
|
*/
|
|
|
|
#define REGISTER_BUSY_COUNT 5
|
|
|
|
#define REGISTER_BUSY_DELAY 100
|
2007-09-26 02:54:20 +08:00
|
|
|
#define REGISTER_TIMEOUT 500
|
2007-09-26 08:57:13 +08:00
|
|
|
#define REGISTER_TIMEOUT_FIRMWARE 1000
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Cache size
|
|
|
|
*/
|
|
|
|
#define CSR_CACHE_SIZE 8
|
|
|
|
#define CSR_CACHE_SIZE_FIRMWARE 64
|
|
|
|
|
|
|
|
/*
|
|
|
|
* USB request types.
|
|
|
|
*/
|
|
|
|
#define USB_VENDOR_REQUEST ( USB_TYPE_VENDOR | USB_RECIP_DEVICE )
|
|
|
|
#define USB_VENDOR_REQUEST_IN ( USB_DIR_IN | USB_VENDOR_REQUEST )
|
|
|
|
#define USB_VENDOR_REQUEST_OUT ( USB_DIR_OUT | USB_VENDOR_REQUEST )
|
|
|
|
|
|
|
|
/*
|
|
|
|
* USB vendor commands.
|
|
|
|
*/
|
|
|
|
#define USB_DEVICE_MODE 0x01
|
|
|
|
#define USB_SINGLE_WRITE 0x02
|
|
|
|
#define USB_SINGLE_READ 0x03
|
|
|
|
#define USB_MULTI_WRITE 0x06
|
|
|
|
#define USB_MULTI_READ 0x07
|
|
|
|
#define USB_EEPROM_WRITE 0x08
|
|
|
|
#define USB_EEPROM_READ 0x09
|
|
|
|
#define USB_LED_CONTROL 0x0a /* RT73USB */
|
|
|
|
#define USB_RX_CONTROL 0x0c
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Device modes offset
|
|
|
|
*/
|
|
|
|
#define USB_MODE_RESET 0x01
|
|
|
|
#define USB_MODE_UNPLUG 0x02
|
|
|
|
#define USB_MODE_FUNCTION 0x03
|
|
|
|
#define USB_MODE_TEST 0x04
|
|
|
|
#define USB_MODE_SLEEP 0x07 /* RT73USB */
|
|
|
|
#define USB_MODE_FIRMWARE 0x08 /* RT73USB */
|
|
|
|
#define USB_MODE_WAKEUP 0x09 /* RT73USB */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Used to read/write from/to the device.
|
|
|
|
* This is the main function to communicate with the device,
|
|
|
|
* the buffer argument _must_ either be NULL or point to
|
|
|
|
* a buffer allocated by kmalloc. Failure to do so can lead
|
|
|
|
* to unexpected behavior depending on the architecture.
|
|
|
|
*/
|
2007-10-27 19:41:25 +08:00
|
|
|
int rt2x00usb_vendor_request(struct rt2x00_dev *rt2x00dev,
|
2007-09-26 08:57:13 +08:00
|
|
|
const u8 request, const u8 requesttype,
|
|
|
|
const u16 offset, const u16 value,
|
|
|
|
void *buffer, const u16 buffer_length,
|
2007-09-26 02:54:20 +08:00
|
|
|
const int timeout);
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Used to read/write from/to the device.
|
|
|
|
* This function will use a previously with kmalloc allocated cache
|
|
|
|
* to communicate with the device. The contents of the buffer pointer
|
|
|
|
* will be copied to this cache when writing, or read from the cache
|
|
|
|
* when reading.
|
|
|
|
* Buffers send to rt2x00usb_vendor_request _must_ be allocated with
|
|
|
|
* kmalloc. Hence the reason for using a previously allocated cache
|
|
|
|
* which has been allocated properly.
|
|
|
|
*/
|
2007-10-27 19:41:25 +08:00
|
|
|
int rt2x00usb_vendor_request_buff(struct rt2x00_dev *rt2x00dev,
|
2007-09-26 08:57:13 +08:00
|
|
|
const u8 request, const u8 requesttype,
|
|
|
|
const u16 offset, void *buffer,
|
2007-09-26 02:54:20 +08:00
|
|
|
const u16 buffer_length, const int timeout);
|
2007-09-26 08:57:13 +08:00
|
|
|
|
2007-10-27 19:43:29 +08:00
|
|
|
/*
|
|
|
|
* A version of rt2x00usb_vendor_request_buff which must be called
|
|
|
|
* if the usb_cache_mutex is already held. */
|
|
|
|
int rt2x00usb_vendor_req_buff_lock(struct rt2x00_dev *rt2x00dev,
|
|
|
|
const u8 request, const u8 requesttype,
|
|
|
|
const u16 offset, void *buffer,
|
|
|
|
const u16 buffer_length, const int timeout);
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Simple wrapper around rt2x00usb_vendor_request to write a single
|
|
|
|
* command to the device. Since we don't use the buffer argument we
|
|
|
|
* don't have to worry about kmalloc here.
|
|
|
|
*/
|
2007-10-27 19:41:25 +08:00
|
|
|
static inline int rt2x00usb_vendor_request_sw(struct rt2x00_dev *rt2x00dev,
|
2007-09-26 08:57:13 +08:00
|
|
|
const u8 request,
|
|
|
|
const u16 offset,
|
|
|
|
const u16 value,
|
2007-09-26 02:54:20 +08:00
|
|
|
const int timeout)
|
2007-09-26 08:57:13 +08:00
|
|
|
{
|
|
|
|
return rt2x00usb_vendor_request(rt2x00dev, request,
|
|
|
|
USB_VENDOR_REQUEST_OUT, offset,
|
|
|
|
value, NULL, 0, timeout);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Simple wrapper around rt2x00usb_vendor_request to read the eeprom
|
|
|
|
* from the device. Note that the eeprom argument _must_ be allocated using
|
|
|
|
* kmalloc for correct handling inside the kernel USB layer.
|
|
|
|
*/
|
2007-10-27 19:41:25 +08:00
|
|
|
static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev,
|
|
|
|
__le16 *eeprom, const u16 lenght)
|
2007-09-26 08:57:13 +08:00
|
|
|
{
|
|
|
|
int timeout = REGISTER_TIMEOUT * (lenght / sizeof(u16));
|
|
|
|
|
|
|
|
return rt2x00usb_vendor_request(rt2x00dev, USB_EEPROM_READ,
|
|
|
|
USB_VENDOR_REQUEST_IN, 0x0000,
|
|
|
|
0x0000, eeprom, lenght, timeout);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Radio handlers
|
|
|
|
*/
|
|
|
|
void rt2x00usb_enable_radio(struct rt2x00_dev *rt2x00dev);
|
|
|
|
void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* TX data handlers.
|
|
|
|
*/
|
|
|
|
int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
|
|
|
|
struct data_ring *ring, struct sk_buff *skb,
|
|
|
|
struct ieee80211_tx_control *control);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Device initialization handlers.
|
|
|
|
*/
|
|
|
|
int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev);
|
|
|
|
void rt2x00usb_uninitialize(struct rt2x00_dev *rt2x00dev);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* USB driver handlers.
|
|
|
|
*/
|
|
|
|
int rt2x00usb_probe(struct usb_interface *usb_intf,
|
|
|
|
const struct usb_device_id *id);
|
|
|
|
void rt2x00usb_disconnect(struct usb_interface *usb_intf);
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
int rt2x00usb_suspend(struct usb_interface *usb_intf, pm_message_t state);
|
|
|
|
int rt2x00usb_resume(struct usb_interface *usb_intf);
|
|
|
|
#else
|
|
|
|
#define rt2x00usb_suspend NULL
|
|
|
|
#define rt2x00usb_resume NULL
|
|
|
|
#endif /* CONFIG_PM */
|
|
|
|
|
|
|
|
#endif /* RT2X00USB_H */
|