From 38bd7b8a0f485ba5ad514fcd621a1842ebadf9e6 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 8 Nov 2009 14:39:01 +0100 Subject: rt2800: unify EEPROM support code Add rt2800_validate_eeprom() and rt2800_init_eeprom() to rt2800lib. Signed-off-by: Bartlomiej Zolnierkiewicz Acked-by: Ivo van Doorn Acked-by: Gertjan van Wingerde Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800pci.c | 183 +------------------------------- 1 file changed, 1 insertion(+), 182 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2800pci.c') diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 67081a4f..06d9835 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -1091,109 +1091,6 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) /* * Device probe functions. */ -static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev) -{ - u16 word; - u8 *mac; - u8 default_lna_gain; - - /* - * Start validation of the data that has been read. - */ - mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - random_ether_addr(mac); - EEPROM(rt2x00dev, "MAC: %pM\n", mac); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2); - rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820); - rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); - EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); - } else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) { - /* - * There is a max of 2 RX streams for RT28x0 series - */ - if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2) - rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2); - rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0); - rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0); - rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0); - rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0); - rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); - rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0); - rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0); - rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0); - rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0); - rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); - EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word); - if ((word & 0x00ff) == 0x00ff) { - rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); - rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE, - LED_MODE_TXRX_ACTIVITY); - rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word); - rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555); - rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221); - rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8); - EEPROM(rt2x00dev, "Freq: 0x%04x\n", word); - } - - /* - * During the LNA validation we are going to use - * lna0 as correct value. Note that EEPROM_LNA - * is never validated. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word); - default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0); - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word); - if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0); - if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word); - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word); - if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0); - if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 || - rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff) - rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1, - default_lna_gain); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word); - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word); - if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0); - if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word); - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word); - if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0); - if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 || - rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff) - rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2, - default_lna_gain); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word); - - return 0; -} - static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) { /* @@ -1215,84 +1112,6 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) return rt2800_validate_eeprom(rt2x00dev); } -static int rt2800pci_init_eeprom(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - u16 value; - u16 eeprom; - - /* - * Read EEPROM word for configuration. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); - - /* - * Identify RF chipset. - */ - value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); - rt2800_register_read(rt2x00dev, MAC_CSR0, ®); - - if (rt2x00_intf_is_pci(rt2x00dev)) - rt2x00_set_chip_rf(rt2x00dev, value, reg); - - if (!rt2x00_rf(&rt2x00dev->chip, RF2820) && - !rt2x00_rf(&rt2x00dev->chip, RF2850) && - !rt2x00_rf(&rt2x00dev->chip, RF2720) && - !rt2x00_rf(&rt2x00dev->chip, RF2750) && - !rt2x00_rf(&rt2x00dev->chip, RF3020) && - !rt2x00_rf(&rt2x00dev->chip, RF2020) && - (rt2x00_intf_is_usb(rt2x00dev) || - (rt2x00_intf_is_pci(rt2x00dev) && - !rt2x00_rf(&rt2x00dev->chip, RF3021) && - !rt2x00_rf(&rt2x00dev->chip, RF3022)))) { - ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); - return -ENODEV; - } - - /* - * Identify default antenna configuration. - */ - rt2x00dev->default_ant.tx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH); - rt2x00dev->default_ant.rx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH); - - /* - * Read frequency offset and RF programming sequence. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom); - rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); - - /* - * Read external LNA informations. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); - - if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A)) - __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); - if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG)) - __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); - - /* - * Detect if this device has an hardware controlled radio. - */ - if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO)) - __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); - - /* - * Store led settings, for correct led behaviour. - */ -#ifdef CONFIG_RT2X00_LIB_LEDS - rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); - rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); - rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY); - - rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &rt2x00dev->led_mcu_reg); -#endif /* CONFIG_RT2X00_LIB_LEDS */ - - return 0; -} - /* * RF value list for rt2860 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750) @@ -1497,7 +1316,7 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) if (retval) return retval; - retval = rt2800pci_init_eeprom(rt2x00dev); + retval = rt2800_init_eeprom(rt2x00dev); if (retval) return retval; -- cgit v1.1