X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Frt2x00%2Frt61pci.c;h=aa9ef66921b8d4cb40c6e577812d547a62d923a3;hb=475433be3d8f4d840e2930eef96671b7f8d11053;hp=e13ed5ced26e9d2014e1851e5007d9d9c83628f3;hpb=e039fa4a4195ac4ee895e6f3d1334beed63256fe;p=linux-2.6 diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index e13ed5ced2..aa9ef66921 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -330,6 +330,17 @@ static int rt61pci_blink_set(struct led_classdev *led_cdev, return 0; } + +static void rt61pci_init_led(struct rt2x00_dev *rt2x00dev, + struct rt2x00_led *led, + enum led_type type) +{ + led->rt2x00dev = rt2x00dev; + led->type = type; + led->led_dev.brightness_set = rt61pci_brightness_set; + led->led_dev.blink_set = rt61pci_blink_set; + led->flags = LED_INITIALIZED; +} #endif /* CONFIG_RT61PCI_LEDS */ /* @@ -1270,25 +1281,32 @@ static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev) return 0; } -static int rt61pci_init_bbp(struct rt2x00_dev *rt2x00dev) +static int rt61pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; - u16 eeprom; - u8 reg_id; u8 value; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt61pci_bbp_read(rt2x00dev, 0, &value); if ((value != 0xff) && (value != 0x00)) - goto continue_csr_init; - NOTICE(rt2x00dev, "Waiting for BBP register.\n"); + return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); return -EACCES; +} + +static int rt61pci_init_bbp(struct rt2x00_dev *rt2x00dev) +{ + unsigned int i; + u16 eeprom; + u8 reg_id; + u8 value; + + if (unlikely(rt61pci_wait_bbp_ready(rt2x00dev))) + return -EACCES; -continue_csr_init: rt61pci_bbp_write(rt2x00dev, 3, 0x00); rt61pci_bbp_write(rt2x00dev, 15, 0x30); rt61pci_bbp_write(rt2x00dev, 21, 0xc8); @@ -1337,7 +1355,8 @@ static void rt61pci_toggle_rx(struct rt2x00_dev *rt2x00dev, rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, - state == STATE_RADIO_RX_OFF); + (state == STATE_RADIO_RX_OFF) || + (state == STATE_RADIO_RX_OFF_LINK)); rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); } @@ -1389,17 +1408,10 @@ static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev) /* * Initialize all registers. */ - if (rt61pci_init_queues(rt2x00dev) || - rt61pci_init_registers(rt2x00dev) || - rt61pci_init_bbp(rt2x00dev)) { - ERROR(rt2x00dev, "Register initialization failed.\n"); + if (unlikely(rt61pci_init_queues(rt2x00dev) || + rt61pci_init_registers(rt2x00dev) || + rt61pci_init_bbp(rt2x00dev))) return -EIO; - } - - /* - * Enable interrupts. - */ - rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON); /* * Enable RX. @@ -1431,11 +1443,6 @@ static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev) rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC2, 1); rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC3, 1); rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg); - - /* - * Disable interrupts. - */ - rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF); } static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) @@ -1443,7 +1450,6 @@ static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) u32 reg; unsigned int i; char put_to_sleep; - char current_state; put_to_sleep = (state != STATE_AWAKE); @@ -1459,16 +1465,12 @@ static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®); - current_state = - rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); - if (current_state == !put_to_sleep) + state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); + if (state == !put_to_sleep) return 0; msleep(10); } - NOTICE(rt2x00dev, "Device failed to enter state %d, " - "current device state %d.\n", !put_to_sleep, current_state); - return -EBUSY; } @@ -1486,11 +1488,13 @@ static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev, break; case STATE_RADIO_RX_ON: case STATE_RADIO_RX_ON_LINK: - rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); - break; case STATE_RADIO_RX_OFF: case STATE_RADIO_RX_OFF_LINK: - rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); + rt61pci_toggle_rx(rt2x00dev, state); + break; + case STATE_RADIO_IRQ_ON: + case STATE_RADIO_IRQ_OFF: + rt61pci_toggle_irq(rt2x00dev, state); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: @@ -1503,6 +1507,10 @@ static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev, break; } + if (unlikely(retval)) + ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", + state, retval); + return retval; } @@ -2067,31 +2075,11 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev) rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom); value = rt2x00_get_field16(eeprom, EEPROM_LED_LED_MODE); - rt2x00dev->led_radio.rt2x00dev = rt2x00dev; - rt2x00dev->led_radio.type = LED_TYPE_RADIO; - rt2x00dev->led_radio.led_dev.brightness_set = - rt61pci_brightness_set; - rt2x00dev->led_radio.led_dev.blink_set = - rt61pci_blink_set; - rt2x00dev->led_radio.flags = LED_INITIALIZED; - - rt2x00dev->led_assoc.rt2x00dev = rt2x00dev; - rt2x00dev->led_assoc.type = LED_TYPE_ASSOC; - rt2x00dev->led_assoc.led_dev.brightness_set = - rt61pci_brightness_set; - rt2x00dev->led_assoc.led_dev.blink_set = - rt61pci_blink_set; - rt2x00dev->led_assoc.flags = LED_INITIALIZED; - - if (value == LED_MODE_SIGNAL_STRENGTH) { - rt2x00dev->led_qual.rt2x00dev = rt2x00dev; - rt2x00dev->led_qual.type = LED_TYPE_QUALITY; - rt2x00dev->led_qual.led_dev.brightness_set = - rt61pci_brightness_set; - rt2x00dev->led_qual.led_dev.blink_set = - rt61pci_blink_set; - rt2x00dev->led_qual.flags = LED_INITIALIZED; - } + rt61pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); + rt61pci_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); + if (value == LED_MODE_SIGNAL_STRENGTH) + rt61pci_init_led(rt2x00dev, &rt2x00dev->led_qual, + LED_TYPE_QUALITY); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0,