From 42c9a458965da2b74e772054fdc4bcdec0351da8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Wed, 6 Jul 2011 15:45:27 +0200
Subject: b43: handle BCMA in bus switches
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/main.c | 68 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

(limited to 'drivers/net/wireless/b43/main.c')

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index dd6d6523587a..f80a53d23d71 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1155,6 +1155,21 @@ void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags)
 	}
 }
 
+#ifdef CONFIG_B43_BCMA
+static void b43_bcma_wireless_core_reset(struct b43_wldev *dev, bool gmode)
+{
+	u32 flags = 0;
+
+	if (gmode)
+		flags = B43_BCMA_IOCTL_GMODE;
+	flags |= B43_BCMA_IOCTL_PHY_CLKEN;
+	flags |= B43_BCMA_IOCTL_PHY_BW_20MHZ; /* Make 20 MHz def */
+	b43_device_enable(dev, flags);
+
+	/* TODO: reset PHY */
+}
+#endif
+
 static void b43_ssb_wireless_core_reset(struct b43_wldev *dev, bool gmode)
 {
 	struct ssb_device *sdev = dev->dev->sdev;
@@ -1188,6 +1203,11 @@ void b43_wireless_core_reset(struct b43_wldev *dev, bool gmode)
 	u32 macctl;
 
 	switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		b43_bcma_wireless_core_reset(dev, gmode);
+		break;
+#endif
 #ifdef CONFIG_B43_SSB
 	case B43_BUS_SSB:
 		b43_ssb_wireless_core_reset(dev, gmode);
@@ -2631,6 +2651,13 @@ static int b43_gpio_init(struct b43_wldev *dev)
 		mask |= 0x0010;	/* FIXME: This is redundant. */
 
 	switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		bcma_cc_write32(&dev->dev->bdev->bus->drv_cc, BCMA_CC_GPIOCTL,
+				(bcma_cc_read32(&dev->dev->bdev->bus->drv_cc,
+					BCMA_CC_GPIOCTL) & mask) | set);
+		break;
+#endif
 #ifdef CONFIG_B43_SSB
 	case B43_BUS_SSB:
 		gpiodev = b43_ssb_gpio_dev(dev);
@@ -2651,6 +2678,12 @@ static void b43_gpio_cleanup(struct b43_wldev *dev)
 	struct ssb_device *gpiodev;
 
 	switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		bcma_cc_write32(&dev->dev->bdev->bus->drv_cc, BCMA_CC_GPIOCTL,
+				0);
+		break;
+#endif
 #ifdef CONFIG_B43_SSB
 	case B43_BUS_SSB:
 		gpiodev = b43_ssb_gpio_dev(dev);
@@ -2733,6 +2766,16 @@ void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on)
 	u32 tmp;
 
 	switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		tmp = bcma_read32(dev->dev->bdev, BCMA_IOCTL);
+		if (on)
+			tmp |= B43_BCMA_IOCTL_MACPHYCLKEN;
+		else
+			tmp &= ~B43_BCMA_IOCTL_MACPHYCLKEN;
+		bcma_write32(dev->dev->bdev, BCMA_IOCTL, tmp);
+		break;
+#endif
 #ifdef CONFIG_B43_SSB
 	case B43_BUS_SSB:
 		tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW);
@@ -2983,6 +3026,12 @@ static int b43_chip_init(struct b43_wldev *dev)
 	b43_mac_phy_clock_set(dev, true);
 
 	switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		/* FIXME: 0xE74 is quite common, but should be read from CC */
+		b43_write16(dev, B43_MMIO_POWERUP_DELAY, 0xE74);
+		break;
+#endif
 #ifdef CONFIG_B43_SSB
 	case B43_BUS_SSB:
 		b43_write16(dev, B43_MMIO_POWERUP_DELAY,
@@ -3508,6 +3557,12 @@ static void b43_put_phy_into_reset(struct b43_wldev *dev)
 	u32 tmp;
 
 	switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		b43err(dev->wl,
+		       "Putting PHY into reset not supported on BCMA\n");
+		break;
+#endif
 #ifdef CONFIG_B43_SSB
 	case B43_BUS_SSB:
 		tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW);
@@ -4404,6 +4459,12 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
 
 	/* Enable IRQ routing to this device. */
 	switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci,
+				      dev->dev->bdev, true);
+		break;
+#endif
 #ifdef CONFIG_B43_SSB
 	case B43_BUS_SSB:
 		ssb_pcicore_dev_irqvecs_enable(&dev->dev->sdev->bus->pcicore,
@@ -4834,6 +4895,13 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
 
 	/* Get the PHY type. */
 	switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		/* FIXME */
+		have_2ghz_phy = 1;
+		have_5ghz_phy = 0;
+		break;
+#endif
 #ifdef CONFIG_B43_SSB
 	case B43_BUS_SSB:
 		if (dev->dev->core_rev >= 5) {
-- 
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