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rt2x00: Introduce SoC interface type.

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Introduce the SoC interface type to detect SoC devices, instead of having
them mimic being PCI devices.
This allows for easier detection of SoC devices.

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 2010-02-13 20:55:47 +01:00 committed by John W. Linville
parent 15a69a8173
commit cea90e5596
4 changed files with 34 additions and 38 deletions
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38
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -89,7 +89,7 @@ static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
if (rt2x00_intf_is_pci(rt2x00dev))
if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
@ -118,7 +118,7 @@ static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
if (rt2x00_intf_is_pci(rt2x00dev))
if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
@ -218,9 +218,9 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
u32 reg;
/*
* RT2880 and RT3052 don't support MCU requests.
* SOC devices don't support MCU requests.
*/
if (rt2x00_rt(rt2x00dev, RT2880) || rt2x00_rt(rt2x00dev, RT3052))
if (rt2x00_is_soc(rt2x00dev))
return;
mutex_lock(&rt2x00dev->csr_mutex);
@ -660,7 +660,7 @@ void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
switch ((int)ant->tx) {
case 1:
rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
if (rt2x00_intf_is_pci(rt2x00dev))
if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
break;
case 2:
@ -1057,7 +1057,7 @@ EXPORT_SYMBOL_GPL(rt2800_link_stats);
static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
{
if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
if (rt2x00_intf_is_usb(rt2x00dev) &&
if (rt2x00_is_usb(rt2x00dev) &&
rt2x00_rev(rt2x00dev) == RT3070_VERSION)
return 0x1c + (2 * rt2x00dev->lna_gain);
else
@ -1109,7 +1109,7 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
u32 reg;
unsigned int i;
if (rt2x00_intf_is_usb(rt2x00dev)) {
if (rt2x00_is_usb(rt2x00dev)) {
/*
* Wait until BBP and RF are ready.
*/
@ -1128,7 +1128,7 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
rt2800_register_write(rt2x00dev, PBF_SYS_CTRL,
reg & ~0x00002000);
} else if (rt2x00_intf_is_pci(rt2x00dev))
} else if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
@ -1136,7 +1136,7 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
if (rt2x00_intf_is_usb(rt2x00dev)) {
if (rt2x00_is_usb(rt2x00dev)) {
rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
#if defined(CONFIG_RT2X00_LIB_USB) || defined(CONFIG_RT2X00_LIB_USB_MODULE)
rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
@ -1174,7 +1174,7 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
if (rt2x00_intf_is_usb(rt2x00dev) &&
if (rt2x00_is_usb(rt2x00dev) &&
rt2x00_rev(rt2x00dev) == RT3070_VERSION) {
rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
@ -1293,7 +1293,7 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
if (rt2x00_intf_is_usb(rt2x00dev)) {
if (rt2x00_is_usb(rt2x00dev)) {
rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
@ -1353,7 +1353,7 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
if (rt2x00_intf_is_usb(rt2x00dev)) {
if (rt2x00_is_usb(rt2x00dev)) {
rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
@ -1490,7 +1490,7 @@ int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
if (rt2x00_rev(rt2x00dev) > RT2860D_VERSION)
rt2800_bbp_write(rt2x00dev, 84, 0x19);
if (rt2x00_intf_is_usb(rt2x00dev) &&
if (rt2x00_is_usb(rt2x00dev) &&
rt2x00_rev(rt2x00dev) == RT3070_VERSION) {
rt2800_bbp_write(rt2x00dev, 70, 0x0a);
rt2800_bbp_write(rt2x00dev, 84, 0x99);
@ -1582,11 +1582,11 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
u8 rfcsr;
u8 bbp;
if (rt2x00_intf_is_usb(rt2x00dev) &&
if (rt2x00_is_usb(rt2x00dev) &&
rt2x00_rev(rt2x00dev) != RT3070_VERSION)
return 0;
if (rt2x00_intf_is_pci(rt2x00dev)) {
if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) {
if (!rt2x00_rf(rt2x00dev, RF3020) &&
!rt2x00_rf(rt2x00dev, RF3021) &&
!rt2x00_rf(rt2x00dev, RF3022))
@ -1603,7 +1603,7 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
if (rt2x00_intf_is_usb(rt2x00dev)) {
if (rt2x00_is_usb(rt2x00dev)) {
rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
@ -1624,7 +1624,7 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
} else if (rt2x00_intf_is_pci(rt2x00dev)) {
} else if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) {
rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
@ -1855,7 +1855,7 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00_set_chip_rf(rt2x00dev, value, reg);
if (rt2x00_intf_is_usb(rt2x00dev)) {
if (rt2x00_is_usb(rt2x00dev)) {
/*
* The check for rt2860 is not a typo, some rt2870 hardware
* identifies itself as rt2860 in the CSR register.
@ -2039,7 +2039,7 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
/*
* Disable powersaving as default on PCI devices.
*/
if (rt2x00_intf_is_pci(rt2x00dev))
if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
/*

18
drivers/net/wireless/rt2x00/rt2800pci.c
View File

@ -1041,18 +1041,12 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
/*
* Read EEPROM into buffer
*/
switch (rt2x00dev->chip.rt) {
case RT2880:
case RT3052:
if (rt2x00_is_soc(rt2x00dev))
rt2800pci_read_eeprom_soc(rt2x00dev);
break;
default:
if (rt2800pci_efuse_detect(rt2x00dev))
rt2800pci_read_eeprom_efuse(rt2x00dev);
else
rt2800pci_read_eeprom_pci(rt2x00dev);
break;
}
else if (rt2800pci_efuse_detect(rt2x00dev))
rt2800pci_read_eeprom_efuse(rt2x00dev);
else
rt2800pci_read_eeprom_pci(rt2x00dev);
return rt2800_validate_eeprom(rt2x00dev);
}
@ -1103,7 +1097,7 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
/*
* This device requires firmware.
*/
if (!rt2x00_rt(rt2x00dev, RT2880) && !rt2x00_rt(rt2x00dev, RT3052))
if (!rt2x00_is_soc(rt2x00dev))
__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
__set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
__set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);

10
drivers/net/wireless/rt2x00/rt2x00.h
View File

@ -160,6 +160,7 @@ struct avg_val {
enum rt2x00_chip_intf {
RT2X00_CHIP_INTF_PCI,
RT2X00_CHIP_INTF_USB,
RT2X00_CHIP_INTF_SOC,
};
/*
@ -976,16 +977,21 @@ static inline bool rt2x00_intf(struct rt2x00_dev *rt2x00dev,
return (rt2x00dev->chip.intf == intf);
}
static inline bool rt2x00_intf_is_pci(struct rt2x00_dev *rt2x00dev)
static inline bool rt2x00_is_pci(struct rt2x00_dev *rt2x00dev)
{
return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
}
static inline bool rt2x00_intf_is_usb(struct rt2x00_dev *rt2x00dev)
static inline bool rt2x00_is_usb(struct rt2x00_dev *rt2x00dev)
{
return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
}
static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev)
{
return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
}
/**
* rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
* @rt2x00dev: Pointer to &struct rt2x00_dev.

6
drivers/net/wireless/rt2x00/rt2x00soc.c
View File

@ -94,11 +94,7 @@ int rt2x00soc_probe(struct platform_device *pdev,
rt2x00dev->irq = platform_get_irq(pdev, 0);
rt2x00dev->name = pdev->dev.driver->name;
/*
* SoC devices mimic PCI behavior.
*/
rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
rt2x00_set_chip_rt(rt2x00dev, chipset);
retval = rt2x00soc_alloc_reg(rt2x00dev);