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rt2x00: rt2800 - Make probe_hw function common between PCI and USB.

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Refactor the probe_hw code so that more code can be shared between
rt2800pci and rt2800usb.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gertjan van Wingerde 2012-09-03 03:25:51 +02:00 committed by John W. Linville
parent 99bdf51a68
commit ad417a533a
4 changed files with 113 additions and 132 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

80
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -4392,13 +4392,18 @@ void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
}
EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
{
struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
u16 word;
u8 *mac;
u8 default_lna_gain;
/*
* Read the EEPROM.
*/
rt2800_read_eeprom(rt2x00dev);
/*
* Start validation of the data that has been read.
*/
@ -4521,9 +4526,8 @@ int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
return 0;
}
EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
u16 value;
@ -4681,7 +4685,6 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
return 0;
}
EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
/*
* RF value list for rt28xx
@ -4824,7 +4827,7 @@ static const struct rf_channel rf_vals_3x[] = {
{173, 0x61, 0, 9},
};
int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
struct channel_info *info;
@ -5000,7 +5003,72 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
return 0;
}
EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
{
int retval;
u32 reg;
/*
* Allocate eeprom data.
*/
retval = rt2800_validate_eeprom(rt2x00dev);
if (retval)
return retval;
retval = rt2800_init_eeprom(rt2x00dev);
if (retval)
return retval;
/*
* Enable rfkill polling by setting GPIO direction of the
* rfkill switch GPIO pin correctly.
*/
rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
/*
* Initialize hw specifications.
*/
retval = rt2800_probe_hw_mode(rt2x00dev);
if (retval)
return retval;
/*
* Set device capabilities.
*/
__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
if (!rt2x00_is_usb(rt2x00dev))
__set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
/*
* Set device requirements.
*/
if (!rt2x00_is_soc(rt2x00dev))
__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
if (!rt2800_hwcrypt_disabled(rt2x00dev))
__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);
if (rt2x00_is_usb(rt2x00dev))
__set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
else {
__set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
}
/*
* Set the rssi offset.
*/
rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
return 0;
}
EXPORT_SYMBOL_GPL(rt2800_probe_hw);
/*
* IEEE80211 stack callback functions.

22
drivers/net/wireless/rt2x00/rt2800lib.h
View File

@ -43,6 +43,9 @@ struct rt2800_ops {
const unsigned int offset,
const struct rt2x00_field32 field, u32 *reg);
void (*read_eeprom)(struct rt2x00_dev *rt2x00dev);
bool (*hwcrypt_disabled)(struct rt2x00_dev *rt2x00dev);
int (*drv_write_firmware)(struct rt2x00_dev *rt2x00dev,
const u8 *data, const size_t len);
int (*drv_init_registers)(struct rt2x00_dev *rt2x00dev);
@ -114,6 +117,20 @@ static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
return rt2800ops->regbusy_read(rt2x00dev, offset, field, reg);
}
static inline void rt2800_read_eeprom(struct rt2x00_dev *rt2x00dev)
{
const struct rt2800_ops *rt2800ops = rt2x00dev->ops->drv;
rt2800ops->read_eeprom(rt2x00dev);
}
static inline bool rt2800_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
{
const struct rt2800_ops *rt2800ops = rt2x00dev->ops->drv;
return rt2800ops->hwcrypt_disabled(rt2x00dev);
}
static inline int rt2800_drv_write_firmware(struct rt2x00_dev *rt2x00dev,
const u8 *data, const size_t len)
{
@ -191,9 +208,8 @@ void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev);
int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev);
void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev);
int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev);
int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev);
int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev);
int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev);
void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32,
u16 *iv16);

82
drivers/net/wireless/rt2x00/rt2800pci.c
View File

@ -54,6 +54,11 @@ static bool modparam_nohwcrypt = false;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
static bool rt2800pci_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
{
return modparam_nohwcrypt;
}
static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
{
unsigned int i;
@ -965,85 +970,14 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
/*
* Device probe functions.
*/
static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
static void rt2800pci_read_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);
}
static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
{
int retval;
u32 reg;
/*
* Allocate eeprom data.
*/
retval = rt2800pci_validate_eeprom(rt2x00dev);
if (retval)
return retval;
retval = rt2800_init_eeprom(rt2x00dev);
if (retval)
return retval;
/*
* Enable rfkill polling by setting GPIO direction of the
* rfkill switch GPIO pin correctly.
*/
rt2x00pci_register_read(rt2x00dev, GPIO_CTRL, &reg);
rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
rt2x00pci_register_write(rt2x00dev, GPIO_CTRL, reg);
/*
* 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;
}
static const struct ieee80211_ops rt2800pci_mac80211_ops = {
@ -1081,6 +1015,8 @@ static const struct rt2800_ops rt2800pci_rt2800_ops = {
.register_multiread = rt2x00pci_register_multiread,
.register_multiwrite = rt2x00pci_register_multiwrite,
.regbusy_read = rt2x00pci_regbusy_read,
.read_eeprom = rt2800pci_read_eeprom,
.hwcrypt_disabled = rt2800pci_hwcrypt_disabled,
.drv_write_firmware = rt2800pci_write_firmware,
.drv_init_registers = rt2800pci_init_registers,
.drv_get_txwi = rt2800pci_get_txwi,
@ -1093,7 +1029,7 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
.tbtt_tasklet = rt2800pci_tbtt_tasklet,
.rxdone_tasklet = rt2800pci_rxdone_tasklet,
.autowake_tasklet = rt2800pci_autowake_tasklet,
.probe_hw = rt2800pci_probe_hw,
.probe_hw = rt2800_probe_hw,
.get_firmware_name = rt2800pci_get_firmware_name,
.check_firmware = rt2800_check_firmware,
.load_firmware = rt2800_load_firmware,

61
drivers/net/wireless/rt2x00/rt2800usb.c
View File

@ -49,6 +49,11 @@ static bool modparam_nohwcrypt;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
{
return modparam_nohwcrypt;
}
/*
* Queue handlers.
*/
@ -730,73 +735,27 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
/*
* Device probe functions.
*/
static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
static void rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
{
if (rt2800_efuse_detect(rt2x00dev))
rt2800_read_eeprom_efuse(rt2x00dev);
else
rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
EEPROM_SIZE);
return rt2800_validate_eeprom(rt2x00dev);
}
static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
{
int retval;
u32 reg;
/*
* Allocate eeprom data.
*/
retval = rt2800usb_validate_eeprom(rt2x00dev);
if (retval)
return retval;
retval = rt2800_init_eeprom(rt2x00dev);
retval = rt2800_probe_hw(rt2x00dev);
if (retval)
return retval;
/*
* Enable rfkill polling by setting GPIO direction of the
* rfkill switch GPIO pin correctly.
* Set txstatus timer function.
*/
rt2x00usb_register_read(rt2x00dev, GPIO_CTRL, &reg);
rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
rt2x00usb_register_write(rt2x00dev, GPIO_CTRL, reg);
/*
* 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 requires firmware.
*/
__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_L2PAD, &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_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout,
/*
* Set the rssi offset.
*/
rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
/*
* Overwrite TX done handler
@ -842,6 +801,8 @@ static const struct rt2800_ops rt2800usb_rt2800_ops = {
.register_multiread = rt2x00usb_register_multiread,
.register_multiwrite = rt2x00usb_register_multiwrite,
.regbusy_read = rt2x00usb_regbusy_read,
.read_eeprom = rt2800usb_read_eeprom,
.hwcrypt_disabled = rt2800usb_hwcrypt_disabled,
.drv_write_firmware = rt2800usb_write_firmware,
.drv_init_registers = rt2800usb_init_registers,
.drv_get_txwi = rt2800usb_get_txwi,