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openwrt/package/madwifi/patches/410-ar231x_2.6.28.patch

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--- a/ath/if_ath_ahb.c
+++ b/ath/if_ath_ahb.c
@@ -33,20 +33,15 @@
#include "if_ath_ahb.h"
#include "ah_soc.h"
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-#error "Kernel versions older than 2.6.19 are not supported!"
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
+#include <ar231x_platform.h>
#endif
struct ath_ahb_softc {
struct ath_softc aps_sc;
-#ifdef CONFIG_PM
- u32 aps_pmstate[16];
-#endif
+ struct ar531x_config aps_config;
};
-static struct ath_ahb_softc *sclist[2] = {NULL, NULL};
-static u_int8_t num_activesc = 0;
-
/*
* Module glue.
*/
@@ -101,13 +96,13 @@ ahb_enable_wmac(u_int16_t devid, u_int16
while (REG_READ(AR5315_PCI_MAC_PCICFG) & AR5315_PCI_MAC_PCICFG_SPWR_DN);
} else {
switch (wlanNum) {
- case AR531X_WLAN0_NUM:
+ case 0:
reset = (AR531X_RESET_WLAN0 |
AR531X_RESET_WARM_WLAN0_MAC |
AR531X_RESET_WARM_WLAN0_BB);
enable = AR531X_ENABLE_WLAN0;
break;
- case AR531X_WLAN1_NUM:
+ case 1:
reset = (AR531X_RESET_WLAN1 |
AR531X_RESET_WARM_WLAN1_MAC |
AR531X_RESET_WARM_WLAN1_BB);
@@ -144,10 +139,10 @@ ahb_disable_wmac(u_int16_t devid, u_int1
*en &= ~AR5315_ARB_WLAN;
} else {
switch (wlanNum) {
- case AR531X_WLAN0_NUM:
+ case 0:
enable = AR531X_ENABLE_WLAN0;
break;
- case AR531X_WLAN1_NUM:
+ case 1:
enable = AR531X_ENABLE_WLAN1;
break;
default:
@@ -159,29 +154,6 @@ ahb_disable_wmac(u_int16_t devid, u_int1
}
-static int
-exit_ath_wmac(u_int16_t wlanNum, struct ar531x_config *config)
-{
- struct ath_ahb_softc *sc = sclist[wlanNum];
- struct net_device *dev;
- u_int16_t devid;
-
- if (sc == NULL)
- return -ENODEV; /* XXX: correct return value? */
-
- dev = sc->aps_sc.sc_dev;
- ath_detach(dev);
- if (dev->irq)
- free_irq(dev->irq, dev);
- devid = sc->aps_sc.devid;
- config->tag = (void *)((unsigned long) devid);
-
- ahb_disable_wmac(devid, wlanNum);
- free_netdev(dev);
- sclist[wlanNum] = NULL;
- return 0;
-}
-
static const char ubnt[] = "Ubiquiti Networks";
/* { vendorname, cardname, vendorid, cardid, subsys vendorid, subsys id, poweroffset } */
static const struct ath_hw_detect cards[] = {
@@ -201,6 +173,114 @@ static const struct ath_hw_detect cards[
{ ubnt, "Bullet5", PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0xc205 },
};
+static void
+ahb_hw_detect(struct ath_ahb_softc *sc, const char *radio)
+{
+ u16 *radio_data = (u16 *) radio;
+ if (radio_data) {
+ u16 vendor, id, subvendor, subid;
+ vendor = radio_data[1];
+ id = radio_data[0];
+ subvendor = radio_data[8];
+ subid = radio_data[7];
+ ath_hw_detect(&sc->aps_sc, cards, ARRAY_SIZE(cards), vendor, id, subvendor, subid);
+ }
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
+
+static int ahb_wmac_probe(struct platform_device *pdev)
+{
+ struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+ struct ath_ahb_softc *sc;
+ struct net_device *dev;
+ struct resource *res;
+ const char *athname;
+ int err;
+
+ ahb_enable_wmac(bcfg->devid, pdev->id);
+ dev = alloc_netdev(sizeof(struct ath_ahb_softc), "wifi%d", ether_setup);
+ if (!dev)
+ return -ENOMEM;
+
+ sc = dev->priv;
+ sc->aps_sc.sc_dev = dev;
+
+ dev->irq = platform_get_irq(pdev, 0);
+ if (dev->irq <= 0) {
+ printk("%s: Cannot find IRQ resource\n", dev->name);
+ goto error;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ printk("%s: Cannot find MMIO resource\n", dev->name);
+ goto error;
+ }
+
+ dev->mem_start = KSEG1ADDR(res->start);
+ dev->mem_end = KSEG1ADDR(res->end);
+ sc->aps_sc.sc_iobase = (void __iomem *) dev->mem_start;
+ sc->aps_sc.sc_bdev = NULL;
+
+ /* bus information for the HAL */
+ sc->aps_config.board = (const struct ar531x_boarddata *) bcfg->config;
+ sc->aps_config.radio = bcfg->radio;
+ sc->aps_config.unit = pdev->id;
+ sc->aps_config.tag = NULL;
+
+ err = ath_attach(bcfg->devid, dev, &sc->aps_config);
+ if (err != 0) {
+ printk("%s: ath_attach failed: %d\n", dev->name, err);
+ goto error;
+ }
+
+ athname = ath_hal_probe(ATHEROS_VENDOR_ID, bcfg->devid);
+ printk(KERN_INFO "%s: %s: %s: mem=0x%lx, irq=%d\n",
+ dev_info, dev->name, athname ? athname : "Atheros ???", dev->mem_start, dev->irq);
+
+ if (request_irq(dev->irq, ath_intr, IRQF_SHARED|IRQF_DISABLED, dev->name, dev)) {
+ printk(KERN_WARNING "%s: %s: request_irq failed\n", dev_info, dev->name);
+ goto error;
+ }
+
+ sc->aps_sc.sc_softled = 1; /* SoftLED over GPIO */
+ sc->aps_sc.sc_ledpin = bcfg->config->sysLedGpio;
+ sc->aps_sc.sc_invalid = 0;
+ ahb_hw_detect(sc, bcfg->radio);
+ platform_set_drvdata(pdev, dev);
+ return 0;
+
+error_dev:
+ free_irq(dev->irq, dev);
+error:
+ free_netdev(dev);
+
+ return -ENODEV;
+}
+
+
+static int ahb_wmac_remove(struct platform_device *pdev)
+{
+ struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+ struct net_device *dev;
+
+ dev = platform_get_drvdata(pdev);
+ ath_detach(dev);
+
+ if (dev->irq)
+ free_irq(dev->irq, dev);
+
+ ahb_disable_wmac(bcfg->devid, pdev->id);
+ free_netdev(dev);
+
+ return 0;
+}
+
+#else
+
+static struct ath_ahb_softc *sclist[2] = {NULL, NULL};
+
static int
init_ath_wmac(u_int16_t devid, u_int16_t wlanNum, struct ar531x_config *config)
{
@@ -253,7 +333,7 @@ init_ath_wmac(u_int16_t devid, u_int16_t
sc->aps_sc.sc_iobase = (void __iomem *) dev->mem_start;
sc->aps_sc.sc_bdev = NULL;
- if (request_irq(dev->irq, ath_intr, IRQF_SHARED, dev->name, dev)) {
+ if (request_irq(dev->irq, ath_intr, IRQF_SHARED|IRQF_DISABLED, dev->name, dev)) {
printk(KERN_WARNING "%s: %s: request_irq failed\n", dev_info, dev->name);
goto bad3;
}
@@ -263,21 +343,12 @@ init_ath_wmac(u_int16_t devid, u_int16_t
athname = ath_hal_probe(ATHEROS_VENDOR_ID, devid);
printk(KERN_INFO "%s: %s: %s: mem=0x%lx, irq=%d\n",
dev_info, dev->name, athname ? athname : "Atheros ???", dev->mem_start, dev->irq);
- num_activesc++;
/* Ready to process interrupts */
sc->aps_sc.sc_softled = 1; /* SoftLED over GPIO */
sc->aps_sc.sc_ledpin = config->board->sysLedGpio;
sc->aps_sc.sc_invalid = 0;
- radio_data = (u16 *) config->radio;
- if (radio_data) {
- u16 vendor, id, subvendor, subid;
- vendor = radio_data[1];
- id = radio_data[0];
- subvendor = radio_data[8];
- subid = radio_data[7];
- ath_hw_detect(&sc->aps_sc, cards, ARRAY_SIZE(cards), vendor, id, subvendor, subid);
- }
+ ahb_hw_detect(sc, config->radio);
return 0;
@@ -292,6 +363,29 @@ init_ath_wmac(u_int16_t devid, u_int16_t
return -ENODEV;
}
+static int
+exit_ath_wmac(u_int16_t wlanNum, struct ar531x_config *config)
+{
+ struct ath_ahb_softc *sc = sclist[wlanNum];
+ struct net_device *dev;
+ u_int16_t devid;
+
+ if (sc == NULL)
+ return -ENODEV; /* XXX: correct return value? */
+
+ dev = sc->aps_sc.sc_dev;
+ ath_detach(dev);
+ if (dev->irq)
+ free_irq(dev->irq, dev);
+ devid = sc->aps_sc.devid;
+ config->tag = (void *)((unsigned long) devid);
+
+ ahb_disable_wmac(devid, wlanNum);
+ free_netdev(dev);
+ sclist[wlanNum] = NULL;
+ return 0;
+}
+
static int ahb_wmac_probe(struct platform_device *pdev)
{
u_int16_t devid;
@@ -312,11 +406,18 @@ static int ahb_wmac_remove(struct platfo
return 0;
}
+#endif
+
static struct platform_driver ahb_wmac_driver = {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
+ .driver.name = "ar231x-wmac",
+#else
.driver.name = "ar531x-wmac",
+#endif
.probe = ahb_wmac_probe,
.remove = ahb_wmac_remove
};
+
int
ath_ioctl_ethtool(struct ath_softc *sc, int cmd, void __user *addr)
{
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