diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800usb.c | 178 |
1 files changed, 45 insertions, 133 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 4f85f7b4244..5a2dfe87c6b 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -28,7 +28,6 @@ Supported chipsets: RT2800U. */ -#include <linux/crc-ccitt.h> #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/init.h> @@ -57,84 +56,10 @@ static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) return FIRMWARE_RT2870; } -static bool rt2800usb_check_crc(const u8 *data, const size_t len) -{ - u16 fw_crc; - u16 crc; - - /* - * The last 2 bytes in the firmware array are the crc checksum itself, - * this means that we should never pass those 2 bytes to the crc - * algorithm. - */ - fw_crc = (data[len - 2] << 8 | data[len - 1]); - - /* - * Use the crc ccitt algorithm. - * This will return the same value as the legacy driver which - * used bit ordering reversion on the both the firmware bytes - * before input input as well as on the final output. - * Obviously using crc ccitt directly is much more efficient. - */ - crc = crc_ccitt(~0, data, len - 2); - - /* - * There is a small difference between the crc-itu-t + bitrev and - * the crc-ccitt crc calculation. In the latter method the 2 bytes - * will be swapped, use swab16 to convert the crc to the correct - * value. - */ - crc = swab16(crc); - - return fw_crc == crc; -} - -static int rt2800usb_check_firmware(struct rt2x00_dev *rt2x00dev, +static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { - size_t offset = 0; - - /* - * Firmware files: - * There are 2 variations of the rt2870 firmware. - * a) size: 4kb - * b) size: 8kb - * Note that (b) contains 2 separate firmware blobs of 4k - * within the file. The first blob is the same firmware as (a), - * but the second blob is for the additional chipsets. - */ - if (len != 4096 && len != 8192) - return FW_BAD_LENGTH; - - /* - * Check if we need the upper 4kb firmware data or not. - */ - if ((len == 4096) && - !rt2x00_rt(rt2x00dev, RT2860) && - !rt2x00_rt(rt2x00dev, RT2872) && - !rt2x00_rt(rt2x00dev, RT3070)) - return FW_BAD_VERSION; - - /* - * 8kb firmware files must be checked as if it were - * 2 separate firmware files. - */ - while (offset < len) { - if (!rt2800usb_check_crc(data + offset, 4096)) - return FW_BAD_CRC; - - offset += 4096; - } - - return FW_OK; -} - -static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev, - const u8 *data, const size_t len) -{ - unsigned int i; int status; - u32 reg; u32 offset; u32 length; @@ -152,21 +77,6 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev, } /* - * Wait for stable hardware. - */ - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2800_register_read(rt2x00dev, MAC_CSR0, ®); - if (reg && reg != ~0) - break; - msleep(1); - } - - if (i == REGISTER_BUSY_COUNT) { - ERROR(rt2x00dev, "Unstable hardware.\n"); - return -EBUSY; - } - - /* * Write firmware to device. */ rt2800_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, @@ -203,28 +113,6 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev, udelay(10); } - /* - * Wait for device to stabilize. - */ - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, ®); - if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY)) - break; - msleep(1); - } - - if (i == REGISTER_BUSY_COUNT) { - ERROR(rt2x00dev, "PBF system register not ready.\n"); - return -EBUSY; - } - - /* - * Initialize firmware. - */ - rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); - rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); - msleep(1); - return 0; } @@ -406,7 +294,9 @@ static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev, rt2800usb_toggle_rx(rt2x00dev, state); break; case STATE_RADIO_IRQ_ON: + case STATE_RADIO_IRQ_ON_ISR: case STATE_RADIO_IRQ_OFF: + case STATE_RADIO_IRQ_OFF_ISR: /* No support, but no error either */ break; case STATE_DEEP_SLEEP: @@ -563,7 +453,7 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, /* * Process the RXWI structure. */ - rt2800_process_rxwi(entry->skb, rxdesc); + rt2800_process_rxwi(entry, rxdesc); } /* @@ -580,26 +470,10 @@ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) return rt2800_validate_eeprom(rt2x00dev); } -static const struct rt2800_ops rt2800usb_rt2800_ops = { - .register_read = rt2x00usb_register_read, - .register_read_lock = rt2x00usb_register_read_lock, - .register_write = rt2x00usb_register_write, - .register_write_lock = rt2x00usb_register_write_lock, - - .register_multiread = rt2x00usb_register_multiread, - .register_multiwrite = rt2x00usb_register_multiwrite, - - .regbusy_read = rt2x00usb_regbusy_read, - - .drv_init_registers = rt2800usb_init_registers, -}; - static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; - rt2x00dev->priv = (void *)&rt2800usb_rt2800_ops; - /* * Allocate eeprom data. */ @@ -632,6 +506,8 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev) __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags); if (!modparam_nohwcrypt) __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); + __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags); + __set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags); /* * Set the rssi offset. @@ -641,11 +517,45 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev) return 0; } +static const struct ieee80211_ops rt2800usb_mac80211_ops = { + .tx = rt2x00mac_tx, + .start = rt2x00mac_start, + .stop = rt2x00mac_stop, + .add_interface = rt2x00mac_add_interface, + .remove_interface = rt2x00mac_remove_interface, + .config = rt2x00mac_config, + .configure_filter = rt2x00mac_configure_filter, + .set_tim = rt2x00mac_set_tim, + .set_key = rt2x00mac_set_key, + .sw_scan_start = rt2x00mac_sw_scan_start, + .sw_scan_complete = rt2x00mac_sw_scan_complete, + .get_stats = rt2x00mac_get_stats, + .get_tkip_seq = rt2800_get_tkip_seq, + .set_rts_threshold = rt2800_set_rts_threshold, + .bss_info_changed = rt2x00mac_bss_info_changed, + .conf_tx = rt2800_conf_tx, + .get_tsf = rt2800_get_tsf, + .rfkill_poll = rt2x00mac_rfkill_poll, + .ampdu_action = rt2800_ampdu_action, +}; + +static const struct rt2800_ops rt2800usb_rt2800_ops = { + .register_read = rt2x00usb_register_read, + .register_read_lock = rt2x00usb_register_read_lock, + .register_write = rt2x00usb_register_write, + .register_write_lock = rt2x00usb_register_write_lock, + .register_multiread = rt2x00usb_register_multiread, + .register_multiwrite = rt2x00usb_register_multiwrite, + .regbusy_read = rt2x00usb_regbusy_read, + .drv_write_firmware = rt2800usb_write_firmware, + .drv_init_registers = rt2800usb_init_registers, +}; + static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = { .probe_hw = rt2800usb_probe_hw, .get_firmware_name = rt2800usb_get_firmware_name, - .check_firmware = rt2800usb_check_firmware, - .load_firmware = rt2800usb_load_firmware, + .check_firmware = rt2800_check_firmware, + .load_firmware = rt2800_load_firmware, .initialize = rt2x00usb_initialize, .uninitialize = rt2x00usb_uninitialize, .clear_entry = rt2x00usb_clear_entry, @@ -654,6 +564,7 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = { .link_stats = rt2800_link_stats, .reset_tuner = rt2800_reset_tuner, .link_tuner = rt2800_link_tuner, + .watchdog = rt2x00usb_watchdog, .write_tx_desc = rt2800usb_write_tx_desc, .write_tx_data = rt2800usb_write_tx_data, .write_beacon = rt2800_write_beacon, @@ -703,7 +614,8 @@ static const struct rt2x00_ops rt2800usb_ops = { .tx = &rt2800usb_queue_tx, .bcn = &rt2800usb_queue_bcn, .lib = &rt2800usb_rt2x00_ops, - .hw = &rt2800_mac80211_ops, + .drv = &rt2800usb_rt2800_ops, + .hw = &rt2800usb_mac80211_ops, #ifdef CONFIG_RT2X00_LIB_DEBUGFS .debugfs = &rt2800_rt2x00debug, #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |