1 files changed, 424 insertions, 0 deletions

diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
new file mode 100644
index 000000000000..2b5c312c4960
--- /dev/null
+++ b/include/linux/ssb/ssb.h
@@ -0,0 +1,424 @@
+#ifndef LINUX_SSB_H_
+#define LINUX_SSB_H_
+
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/pci.h>
+#include <linux/mod_devicetable.h>
+
+#include <linux/ssb/ssb_regs.h>
+
+
+struct pcmcia_device;
+struct ssb_bus;
+struct ssb_driver;
+
+
+struct ssb_sprom_r1 {
+        u16 pci_spid;           /* Subsystem Product ID for PCI */
+        u16 pci_svid;           /* Subsystem Vendor ID for PCI */
+        u16 pci_pid;            /* Product ID for PCI */
+        u8 il0mac[6];           /* MAC address for 802.11b/g */
+        u8 et0mac[6];           /* MAC address for Ethernet */
+        u8 et1mac[6];           /* MAC address for 802.11a */
+        u8 et0phyaddr:5;        /* MII address for enet0 */
+        u8 et1phyaddr:5;        /* MII address for enet1 */
+        u8 et0mdcport:1;        /* MDIO for enet0 */
+        u8 et1mdcport:1;        /* MDIO for enet1 */
+        u8 board_rev;           /* Board revision */
+        u8 country_code:4;      /* Country Code */
+        u8 antenna_a:2;         /* Antenna 0/1 available for A-PHY */
+        u8 antenna_bg:2;        /* Antenna 0/1 available for B-PHY and G-PHY */
+        u16 pa0b0;
+        u16 pa0b1;
+        u16 pa0b2;
+        u16 pa1b0;
+        u16 pa1b1;
+        u16 pa1b2;
+        u8 gpio0;               /* GPIO pin 0 */
+        u8 gpio1;               /* GPIO pin 1 */
+        u8 gpio2;               /* GPIO pin 2 */
+        u8 gpio3;               /* GPIO pin 3 */
+        u16 maxpwr_a;           /* A-PHY Power Amplifier Max Power (in dBm Q5.2) */
+        u16 maxpwr_bg;          /* B/G-PHY Power Amplifier Max Power (in dBm Q5.2) */
+        u8 itssi_a;             /* Idle TSSI Target for A-PHY */
+        u8 itssi_bg;            /* Idle TSSI Target for B/G-PHY */
+        u16 boardflags_lo;      /* Boardflags (low 16 bits) */
+        u8 antenna_gain_a;      /* A-PHY Antenna gain (in dBm Q5.2) */
+        u8 antenna_gain_bg;     /* B/G-PHY Antenna gain (in dBm Q5.2) */
+        u8 oem[8];              /* OEM string (rev 1 only) */
+};
+
+struct ssb_sprom_r2 {
+        u16 boardflags_hi;      /* Boardflags (high 16 bits) */
+        u8 maxpwr_a_lo;         /* A-PHY Max Power Low */
+        u8 maxpwr_a_hi;         /* A-PHY Max Power High */
+        u16 pa1lob0;            /* A-PHY PA Low Settings */
+        u16 pa1lob1;            /* A-PHY PA Low Settings */
+        u16 pa1lob2;            /* A-PHY PA Low Settings */
+        u16 pa1hib0;            /* A-PHY PA High Settings */
+        u16 pa1hib1;            /* A-PHY PA High Settings */
+        u16 pa1hib2;            /* A-PHY PA High Settings */
+        u8 ofdm_pwr_off;        /* OFDM Power Offset from CCK Level */
+        u8 country_str[2];      /* Two char Country Code */
+};
+
+struct ssb_sprom_r3 {
+        u32 ofdmapo;            /* A-PHY OFDM Mid Power Offset */
+        u32 ofdmalpo;           /* A-PHY OFDM Low Power Offset */
+        u32 ofdmahpo;           /* A-PHY OFDM High Power Offset */
+        u8 gpioldc_on_cnt;      /* GPIO LED Powersave Duty Cycle ON count */
+        u8 gpioldc_off_cnt;     /* GPIO LED Powersave Duty Cycle OFF count */
+        u8 cckpo_1M:4;          /* CCK Power Offset for Rate 1M */
+        u8 cckpo_2M:4;          /* CCK Power Offset for Rate 2M */
+        u8 cckpo_55M:4;         /* CCK Power Offset for Rate 5.5M */
+        u8 cckpo_11M:4;         /* CCK Power Offset for Rate 11M */
+        u32 ofdmgpo;            /* G-PHY OFDM Power Offset */
+};
+
+struct ssb_sprom_r4 {
+        /* TODO */
+};
+
+struct ssb_sprom {
+        u8 revision;
+        u8 crc;
+        /* The valid r# fields are selected by the "revision".
+         * Revision 3 and lower inherit from lower revisions.
+         */
+        union {
+                struct {
+                        struct ssb_sprom_r1 r1;
+                        struct ssb_sprom_r2 r2;
+                        struct ssb_sprom_r3 r3;
+                };
+                struct ssb_sprom_r4 r4;
+        };
+};
+
+/* Information about the PCB the circuitry is soldered on. */
+struct ssb_boardinfo {
+        u16 vendor;
+        u16 type;
+        u16 rev;
+};
+
+
+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
+#define SSB_DEV_SDRAM           0x803
+#define SSB_DEV_PCI             0x804
+#define SSB_DEV_MIPS            0x805
+#define SSB_DEV_ETHERNET        0x806
+#define SSB_DEV_V90             0x807
+#define SSB_DEV_USB11_HOSTDEV   0x808
+#define SSB_DEV_ADSL            0x809
+#define SSB_DEV_ILINE100        0x80A
+#define SSB_DEV_IPSEC           0x80B
+#define SSB_DEV_PCMCIA          0x80D
+#define SSB_DEV_INTERNAL_MEM    0x80E
+#define SSB_DEV_MEMC_SDRAM      0x80F
+#define SSB_DEV_EXTIF           0x811
+#define SSB_DEV_80211           0x812
+#define SSB_DEV_MIPS_3302       0x816
+#define SSB_DEV_USB11_HOST      0x817
+#define SSB_DEV_USB11_DEV       0x818
+#define SSB_DEV_USB20_HOST      0x819
+#define SSB_DEV_USB20_DEV       0x81A
+#define SSB_DEV_SDIO_HOST       0x81B
+#define SSB_DEV_ROBOSWITCH      0x81C
+#define SSB_DEV_PARA_ATA        0x81D
+#define SSB_DEV_SATA_XORDMA     0x81E
+#define SSB_DEV_ETHERNET_GBIT   0x81F
+#define SSB_DEV_PCIE            0x820
+#define SSB_DEV_MIMO_PHY        0x821
+#define SSB_DEV_SRAM_CTRLR      0x822
+#define SSB_DEV_MINI_MACPHY     0x823
+#define SSB_DEV_ARM_1176        0x824
+#define SSB_DEV_ARM_7TDMI       0x825
+
+/* Vendor-ID values */
+#define SSB_VENDOR_BROADCOM     0x4243
+
+/* 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 {
+        /* 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 */
+};
+
+/* 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;
+        wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
+        return wrap->sdev;
+}
+
+/* Device specific user data */
+static inline
+void ssb_set_drvdata(struct ssb_device *dev, void *data)
+{
+        dev->drvdata = data;
+}
+static inline
+void * ssb_get_drvdata(struct ssb_device *dev)
+{
+        return dev->drvdata;
+}
+
+/* Devicetype specific user data. This is per device-type (not per device) */
+void ssb_set_devtypedata(struct ssb_device *dev, void *data);
+static inline
+void * ssb_get_devtypedata(struct ssb_device *dev)
+{
+        return dev->devtypedata;
+}
+
+
+struct ssb_driver {
+        const char *name;
+        const struct ssb_device_id *id_table;
+
+        int (*probe)(struct ssb_device *dev, const struct ssb_device_id *id);
+        void (*remove)(struct ssb_device *dev);
+        int (*suspend)(struct ssb_device *dev, pm_message_t state);
+        int (*resume)(struct ssb_device *dev);
+        void (*shutdown)(struct ssb_device *dev);
+
+        struct device_driver drv;
+};
+#define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
+
+extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner);
+static inline int ssb_driver_register(struct ssb_driver *drv)
+{
+        return __ssb_driver_register(drv, THIS_MODULE);
+}
+extern void ssb_driver_unregister(struct ssb_driver *drv);
+
+
+
+
+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 */
+};
+
+/* board_vendor */
+#define SSB_BOARDVENDOR_BCM     0x14E4  /* Broadcom */
+#define SSB_BOARDVENDOR_DELL    0x1028  /* Dell */
+#define SSB_BOARDVENDOR_HP      0x0E11  /* HP */
+/* board_type */
+#define SSB_BOARD_BCM94306MP    0x0418
+#define SSB_BOARD_BCM4309G      0x0421
+#define SSB_BOARD_BCM4306CB     0x0417
+#define SSB_BOARD_BCM4309MP     0x040C
+#define SSB_BOARD_MP4318        0x044A
+#define SSB_BOARD_BU4306        0x0416
+#define SSB_BOARD_BU4309        0x040A
+/* chip_package */
+#define SSB_CHIPPACK_BCM4712S   1       /* Small 200pin 4712 */
+#define SSB_CHIPPACK_BCM4712M   2       /* Medium 225pin 4712 */
+#define SSB_CHIPPACK_BCM4712L   0       /* Large 340pin 4712 */
+
+#include <linux/ssb/ssb_driver_chipcommon.h>
+#include <linux/ssb/ssb_driver_mips.h>
+#include <linux/ssb/ssb_driver_extif.h>
+#include <linux/ssb/ssb_driver_pci.h>
+
+struct ssb_bus {
+        /* The MMIO area. */
+        void __iomem *mmio;
+
+        const struct ssb_bus_ops *ops;
+
+        /* The core in the basic address register window. (PCI bus only) */
+        struct ssb_device *mapped_device;
+        /* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
+        u8 mapped_pcmcia_seg;
+        /* Lock for core and segment switching. */
+        spinlock_t bar_lock;
+
+        /* The bus this backplane is running on. */
+        enum ssb_bustype bustype;
+        /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
+        struct pci_dev *host_pci;
+        /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
+        struct pcmcia_device *host_pcmcia;
+
+#ifdef CONFIG_SSB_PCIHOST
+        /* Mutex to protect the SPROM writing. */
+        struct mutex pci_sprom_mutex;
+#endif
+
+        /* ID information about the Chip. */
+        u16 chip_id;
+        u16 chip_rev;
+        u8 chip_package;
+
+        /* List of devices (cores) on the backplane. */
+        struct ssb_device devices[SSB_MAX_NR_CORES];
+        u8 nr_devices;
+
+        /* Reference count. Number of suspended devices. */
+        u8 suspend_cnt;
+
+        /* Software ID number for this bus. */
+        unsigned int busnumber;
+
+        /* The ChipCommon device (if available). */
+        struct ssb_chipcommon chipco;
+        /* The PCI-core device (if available). */
+        struct ssb_pcicore pcicore;
+        /* The MIPS-core device (if available). */
+        struct ssb_mipscore mipscore;
+        /* The EXTif-core device (if available). */
+        struct ssb_extif extif;
+
+        /* The following structure elements are not available in early
+         * SSB initialization. Though, they are available for regular
+         * registered drivers at any stage. So be careful when
+         * using them in the ssb core code. */
+
+        /* ID information about the PCB. */
+        struct ssb_boardinfo boardinfo;
+        /* Contents of the SPROM. */
+        struct ssb_sprom sprom;
+
+        /* Internal-only stuff follows. Do not touch. */
+        struct list_head list;
+#ifdef CONFIG_SSB_DEBUG
+        /* Is the bus already powered up? */
+        bool powered_up;
+        int power_warn_count;
+#endif /* DEBUG */
+};
+
+/* The initialization-invariants. */
+struct ssb_init_invariants {
+        struct ssb_boardinfo boardinfo;
+        struct ssb_sprom sprom;
+};
+/* Type of function to fetch the invariants. */
+typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus,
+                                     struct ssb_init_invariants *iv);
+
+/* Register a SSB system bus. get_invariants() is called after the
+ * basic system devices are initialized.
+ * The invariants are usually fetched from some NVRAM.
+ * Put the invariants into the struct pointed to by iv. */
+extern int ssb_bus_ssbbus_register(struct ssb_bus *bus,
+                                   unsigned long baseaddr,
+                                   ssb_invariants_func_t get_invariants);
+#ifdef CONFIG_SSB_PCIHOST
+extern int ssb_bus_pcibus_register(struct ssb_bus *bus,
+                                   struct pci_dev *host_pci);
+#endif /* CONFIG_SSB_PCIHOST */
+#ifdef CONFIG_SSB_PCMCIAHOST
+extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
+                                      struct pcmcia_device *pcmcia_dev,
+                                      unsigned long baseaddr);
+#endif /* CONFIG_SSB_PCMCIAHOST */
+
+extern void ssb_bus_unregister(struct ssb_bus *bus);
+
+extern u32 ssb_clockspeed(struct ssb_bus *bus);
+
+/* Is the device enabled in hardware? */
+int ssb_device_is_enabled(struct ssb_device *dev);
+/* Enable a device and pass device-specific SSB_TMSLOW flags.
+ * If no device-specific flags are available, use 0. */
+void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
+/* Disable a device in hardware and pass SSB_TMSLOW flags (if any). */
+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->ops->read16(dev, offset);
+}
+static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
+{
+        return dev->ops->read32(dev, offset);
+}
+static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
+{
+        dev->ops->write16(dev, offset, value);
+}
+static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
+{
+        dev->ops->write32(dev, offset, value);
+}
+
+
+/* Translation (routing) bits that need to be ORed to DMA
+ * addresses before they are given to a device. */
+extern u32 ssb_dma_translation(struct ssb_device *dev);
+#define SSB_DMA_TRANSLATION_MASK        0xC0000000
+#define SSB_DMA_TRANSLATION_SHIFT       30
+
+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 */
+
+
+/* If a driver is shutdown or suspended, call this to signal
+ * that the bus may be completely powered down. SSB will decide,
+ * if it's really time to power down the bus, based on if there
+ * are other devices that want to run. */
+extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
+/* Before initializing and enabling a device, call this to power-up the bus.
+ * If you want to allow use of dynamic-power-control, pass the flag.
+ * Otherwise static always-on powercontrol will be used. */
+extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl);
+
+
+/* Various helper functions */
+extern u32 ssb_admatch_base(u32 adm);
+extern u32 ssb_admatch_size(u32 adm);
+
+
+#endif /* LINUX_SSB_H_ */