brcm43xx: update SSB driver

 * files/ now contains the wireless-dev tree version
 * patches/210-ssb_merge is nbd's subsequent changes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7691 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 67 insertions, 114 deletions

diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h
index 7fdeae71cb..1ed3cbc1e5 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h
@@ -6,6 +6,9 @@
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/spinlock.h>
+#ifdef CONFIG_SSB_PCIHOST
+# include <linux/pci.h>
+#endif
 
 #include <linux/ssb/ssb_regs.h>
 
@@ -98,6 +101,17 @@ struct ssb_sprom {
 };
 
 
+struct ssb_device;
+/* Lowlevel read/write operations on the device MMIO.
+ * Internal, don't use that outside of ssb. */
+struct ssb_bus_ops {
+	u16 (*read16)(struct ssb_device *dev, u16 offset);
+	u32 (*read32)(struct ssb_device *dev, u16 offset);
+	void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
+	void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
+};
+
+
 /* Core-ID values. */
 #define SSB_DEV_CHIPCOMMON	0x800
 #define SSB_DEV_ILINE20		0x801
@@ -149,18 +163,37 @@ struct ssb_device_id {
 #define SSB_ANY_ID		0xFFFF
 #define SSB_ANY_REV		0xFF
 
+/* Some kernel subsystems poke with dev->drvdata, so we must use the
+ * following ugly workaround to get from struct device to struct ssb_device */
+struct __ssb_dev_wrapper {
+	struct device dev;
+	struct ssb_device *sdev;
+};
 
 struct ssb_device {
-	struct device dev;
+	/* Having a copy of the ops pointer in each dev struct
+	 * is an optimization. */
+	const struct ssb_bus_ops *ops;
+
+	struct device *dev;
 	struct ssb_bus *bus;
 	struct ssb_device_id id;
 
 	u8 core_index;
 	unsigned int irq;
+
+	/* Internal-only stuff follows. */
 	void *drvdata;		/* Per-device data */
 	void *devtypedata;	/* Per-devicetype (eg 802.11) data */
 };
-#define dev_to_ssb_dev(_dev) container_of(_dev, struct ssb_device, dev)
+
+/* Go from struct device to struct ssb_device. */
+static inline
+struct ssb_device * dev_to_ssb_dev(struct device *dev)
+{
+	struct __ssb_dev_wrapper *wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
+	return wrap->sdev;
+}
 
 /* Device specific user data */
 static inline
@@ -182,13 +215,6 @@ void * ssb_get_devtypedata(struct ssb_device *dev)
 	return dev->devtypedata;
 }
 
-struct ssb_bus_ops {
-	u16 (*read16)(struct ssb_device *dev, u16 offset);
-	u32 (*read32)(struct ssb_device *dev, u16 offset);
-	void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
-	void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
-};
-
 
 struct ssb_driver {
 	const char *name;
@@ -218,7 +244,6 @@ enum ssb_bustype {
 	SSB_BUSTYPE_SSB,	/* This SSB bus is the system bus */
 	SSB_BUSTYPE_PCI,	/* SSB is connected to PCI bus */
 	SSB_BUSTYPE_PCMCIA,	/* SSB is connected to PCMCIA bus */
-	//TODO SSB_BUSTYPE_JTAG,
 };
 
 /* board_vendor */
@@ -238,12 +263,6 @@ enum ssb_bustype {
 #define SSB_CHIPPACK_BCM4712M	2	/* Medium 225pin 4712 */
 #define SSB_CHIPPACK_BCM4712L	0	/* Large 340pin 4712 */
 
-static inline u16 ssb_read16(struct ssb_device *dev, u16 offset);
-static inline u32 ssb_read32(struct ssb_device *dev, u16 offset);
-static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value);
-static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value);
-static inline u32 ssb_write32_masked(struct ssb_device *dev, u16 offset, u32 mask, u32 value);
-
 #include <linux/ssb/ssb_driver_chipcommon.h>
 #include <linux/ssb/ssb_driver_mips.h>
 #include <linux/ssb/ssb_driver_extif.h>
@@ -269,6 +288,10 @@ struct ssb_bus {
 	/* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
 	struct pcmcia_device *host_pcmcia;
 
+#ifdef CONFIG_SSB_PCIHOST
+	struct mutex pci_sprom_mutex;
+#endif
+
 	/* ID information about the PCB. */
 	u16 board_vendor;
 	u16 board_type;
@@ -328,32 +351,22 @@ void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
 void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);
 
 
+/* Device MMIO register read/write functions. */
 static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
 {
-	return dev->bus->ops->read16(dev, offset);
+	return dev->ops->read16(dev, offset);
 }
 static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
 {
-	return dev->bus->ops->read32(dev, offset);
+	return dev->ops->read32(dev, offset);
 }
 static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
 {
-	dev->bus->ops->write16(dev, offset, value);
+	dev->ops->write16(dev, offset, value);
 }
 static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
 {
-	dev->bus->ops->write32(dev, offset, value);
-}
-
-static inline u32 ssb_write32_masked(struct ssb_device *dev,
-				  u16 offset,
-				  u32 mask,
-				  u32 value)
-{
-	value &= mask;
-	value |= ssb_read32(dev, offset) & ~mask;
-	ssb_write32(dev, offset, value);
-	return value;
+	dev->ops->write32(dev, offset, value);
 }
 
 
@@ -366,6 +379,21 @@ extern u32 ssb_dma_translation(struct ssb_device *dev);
 extern int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask);
 
 
+#ifdef CONFIG_SSB_PCIHOST
+/* PCI-host wrapper driver */
+extern int ssb_pcihost_register(struct pci_driver *driver);
+static inline void ssb_pcihost_unregister(struct pci_driver *driver)
+{
+	pci_unregister_driver(driver);
+}
+#endif /* CONFIG_SSB_PCIHOST */
+
+
+/* Bus-Power handling functions. */
+extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
+extern int ssb_bus_powerup(struct ssb_bus *bus, int dynamic_pctl);
+
+
 /* Various helper functions */
 extern u32 ssb_admatch_base(u32 adm);
 extern u32 ssb_admatch_size(u32 adm);
diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h
index e0c0e61b80..8856590230 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h
@@ -124,8 +124,8 @@
 #define SSB_CHIPCO_GPIOOUT		0x0064
 #define SSB_CHIPCO_GPIOOUTEN		0x0068
 #define SSB_CHIPCO_GPIOCTL		0x006C
-#define SSB_CHIPCO_GPIOINTPOL		0x0070
-#define SSB_CHIPCO_GPIOINTMASK		0x0074
+#define SSB_CHIPCO_GPIOPOL		0x0070
+#define SSB_CHIPCO_GPIOIRQ		0x0074
 #define SSB_CHIPCO_WATCHDOG		0x0080
 #define SSB_CHIPCO_GPIOTIMER		0x0088		/* LED powersave (corerev >= 16) */
 #define  SSB_CHIPCO_GPIOTIMER_ONTIME_SHIFT	16
@@ -364,8 +364,6 @@ extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
 extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state);
 extern void ssb_chipco_resume(struct ssb_chipcommon *cc);
 
-extern void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc, u32 chip_id,
-	u32 *rate, u32 *plltype, u32 *n, u32 *m);
 extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
 					u32 *plltype, u32 *n, u32 *m);
 extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
@@ -380,47 +378,6 @@ enum ssb_clkmode {
 extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
 				     enum ssb_clkmode mode);
 
-
-/* GPIO functions */
-static inline u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc,
-				     u32 mask)
-{
-	return ssb_read32(cc->dev, SSB_CHIPCO_GPIOIN) & mask;
-}
-
-static inline u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc,
-				     u32 mask, u32 value)
-{
-	return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUT, mask, value);
-}
-
-static inline u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc,
-				     u32 mask, u32 value)
-{
-	return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUTEN, mask, value);
-}
-
-static inline u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc,
-				     u32 mask, u32 value)
-{
-	return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOCTL, mask, value);
-}
-
-static inline u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc,
-				     u32 mask, u32 value)
-{
-	return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOINTMASK, mask, value);
-}
-
-static inline u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc,
-				     u32 mask, u32 value)
-{
-	return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOINTPOL, mask, value);
-}
-/* TODO: GPIO reservation */
-
-extern int ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks);
-
 #ifdef CONFIG_SSB_SERIAL
 extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
 				  struct ssb_serial_port *ports);
diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h
index 63add56620..278a637e86 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h
@@ -159,37 +159,5 @@ struct ssb_extif {
 #define SSB_EXTIF_WATCHDOG_CLK		48000000	/* Hz */
 
 
-/* GPIO functions */
-static inline u32 ssb_extif_gpio_in(struct ssb_extif *extif,
-				     u32 mask)
-{
-	return ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN) & mask;
-}
-
-static inline u32 ssb_extif_gpio_out(struct ssb_extif *extif,
-				     u32 mask, u32 value)
-{
-	return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUT(0), mask, value);
-}
-
-static inline u32 ssb_extif_gpio_outen(struct ssb_extif *extif,
-				     u32 mask, u32 value)
-{
-	return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUTEN(0), mask, value);
-}
-
-static inline u32 ssb_extif_gpio_polarity(struct ssb_extif *extif,
-				     u32 mask, u32 value)
-{
-	return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTPOL, mask, value);
-}
-
-static inline u32 ssb_extif_gpio_intmask(struct ssb_extif *extif,
-				     u32 mask, u32 value)
-{
-	return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTMASK, mask, value);
-}
-
-
 #endif /* __KERNEL__ */
 #endif /* LINUX_SSB_EXTIFCORE_H_ */
diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h
index 61c766550c..91f2373be4 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h
@@ -3,7 +3,7 @@
 
 #ifdef __KERNEL__
 
-#ifdef CONFIG_BCM947XX
+#ifdef CONFIG_SSB_DRIVER_MIPS
 
 struct ssb_device;
 
@@ -22,17 +22,16 @@ struct ssb_mipscore {
 	int nr_serial_ports;
 	struct ssb_serial_port serial_ports[4];
 
-	int flash_buswidth;
 	u32 flash_window;
 	u32 flash_window_size;
 };
 
 extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
-extern u32 ssb_cpu_clock(struct ssb_mipscore *mcore);
+
 extern unsigned int ssb_mips_irq(struct ssb_device *dev);
 
 
-#else /* CONFIG_BCM947XX */
+#else /* CONFIG_SSB_DRIVER_MIPS */
 
 struct ssb_mipscore {
 };
@@ -42,7 +41,7 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore)
 {
 }
 
-#endif /* CONFIG_BCM947XX */
+#endif /* CONFIG_SSB_DRIVER_MIPS */
 
 #endif /* __KERNEL__ */
 #endif /* LINUX_SSB_MIPSCORE_H_ */
diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h
index 6bb40464d4..e1c7ff78a8 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h
@@ -96,7 +96,8 @@
 #define  SSB_INTVEC_ENET1	0x00000040 /* Enable interrupts for enet 1 */
 #define SSB_TMSLOW		0x0F98     /* SB Target State Low */
 #define  SSB_TMSLOW_RESET	0x00000001 /* Reset */
-#define  SSB_TMSLOW_REJECT	0x00000002 /* Reject */
+#define  SSB_TMSLOW_REJECT_22	0x00000002 /* Reject (Backplane rev 2.2) */
+#define  SSB_TMSLOW_REJECT_23	0x00000004 /* Reject (Backplane rev 2.3) */
 #define  SSB_TMSLOW_CLOCK	0x00010000 /* Clock Enable */
 #define  SSB_TMSLOW_FGC		0x00020000 /* Force Gated Clocks On */
 #define  SSB_TMSLOW_PE		0x40000000 /* Power Management Enable */