static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
{
unsigned int i;
u32 reg;
/*
* SOC devices don't support MCU requests.
*/
if (rt2x00_is_soc(rt2x00dev))
return;
for (i = 0; i < 200; i++) {
rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CID, ®);
if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) ||
(rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) ||
(rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) ||
(rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token))
break;
udelay(REGISTER_BUSY_DELAY);
}
if (i == 200)
ERROR(rt2x00dev, "MCU request failed, no response from hardware\n");
rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
}
static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
{
if (rt2x00_is_soc(rt2x00dev)) {
rt2800_disable_radio(rt2x00dev);
rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0);
rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0);
}
}
static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
{
int retval;
/*
* Allocate eeprom data.
*/
retval = rt2800pci_validate_eeprom(rt2x00dev);
if (retval)
return retval;
retval = rt2800_init_eeprom(rt2x00dev);
if (retval)
return retval;
/*
* Initialize hw specifications.
*/
retval = rt2800_probe_hw_mode(rt2x00dev);
if (retval)
return retval;
/*
* This device has multiple filters for control frames
* and has a separate filter for PS Poll frames.
*/
__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
/*
* This device has a pre tbtt interrupt and thus fetches
* a new beacon directly prior to transmission.
*/
__set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
/*
* This device requires firmware.
*/
if (!rt2x00_is_soc(rt2x00dev))
__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
if (!modparam_nohwcrypt)
__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
/*
* Set the rssi offset.
*/
rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
return 0;
}
/*
* Device probe functions.
*/
static void rt2800pci_read_eeprom(struct rt2x00_dev *rt2x00dev)
{
if (rt2x00_is_soc(rt2x00dev) ||
test_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags))
rt2800pci_read_eeprom_file(rt2x00dev);
else if (rt2800pci_efuse_detect(rt2x00dev))
rt2800pci_read_eeprom_efuse(rt2x00dev);
else
rt2800pci_read_eeprom_pci(rt2x00dev);
}
/*
* Device probe functions.
*/
static int rt2800pci_read_eeprom(struct rt2x00_dev *rt2x00dev)
{
int retval;
if (rt2x00_is_soc(rt2x00dev))
retval = rt2800pci_read_eeprom_soc(rt2x00dev);
else if (rt2800pci_efuse_detect(rt2x00dev))
retval = rt2800pci_read_eeprom_efuse(rt2x00dev);
else
retval = rt2800pci_read_eeprom_pci(rt2x00dev);
return retval;
}
/*
* Device probe functions.
*/
static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
{
/*
* Read EEPROM into buffer
*/
if (rt2x00_is_soc(rt2x00dev))
rt2800pci_read_eeprom_soc(rt2x00dev);
else if (rt2800pci_efuse_detect(rt2x00dev))
rt2800pci_read_eeprom_efuse(rt2x00dev);
else
rt2800pci_read_eeprom_pci(rt2x00dev);
return rt2800_validate_eeprom(rt2x00dev);
}
/*
* Device probe functions.
*/
static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
{
/*
* Read EEPROM into buffer
*/
if (rt2x00_is_soc(rt2x00dev) ||
test_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags))
rt2800pci_read_eeprom_file(rt2x00dev);
else if (rt2800pci_efuse_detect(rt2x00dev))
rt2800pci_read_eeprom_efuse(rt2x00dev);
else
rt2800pci_read_eeprom_pci(rt2x00dev);
return rt2800_validate_eeprom(rt2x00dev);
}