4 #include <linux/device.h>
5 #include <linux/list.h>
6 #include <linux/types.h>
7 #include <linux/spinlock.h>
9 #include <linux/mod_devicetable.h>
11 #include <linux/ssb/ssb_regs.h>
20 u8 il0mac[6]; /* MAC address for 802.11b/g */
21 u8 et0mac[6]; /* MAC address for Ethernet */
22 u8 et1mac[6]; /* MAC address for 802.11a */
23 u8 et0phyaddr; /* MII address for enet0 */
24 u8 et1phyaddr; /* MII address for enet1 */
25 u8 et0mdcport; /* MDIO for enet0 */
26 u8 et1mdcport; /* MDIO for enet1 */
27 u8 board_rev; /* Board revision number from SPROM. */
28 u8 country_code; /* Country Code */
29 u8 ant_available_a; /* A-PHY antenna available bits (up to 4) */
30 u8 ant_available_bg; /* B/G-PHY antenna available bits (up to 4) */
37 u8 gpio0; /* GPIO pin 0 */
38 u8 gpio1; /* GPIO pin 1 */
39 u8 gpio2; /* GPIO pin 2 */
40 u8 gpio3; /* GPIO pin 3 */
41 u16 maxpwr_a; /* A-PHY Amplifier Max Power (in dBm Q5.2) */
42 u16 maxpwr_bg; /* B/G-PHY Amplifier Max Power (in dBm Q5.2) */
43 u8 itssi_a; /* Idle TSSI Target for A-PHY */
44 u8 itssi_bg; /* Idle TSSI Target for B/G-PHY */
45 u16 boardflags_lo; /* Boardflags (low 16 bits) */
47 /* Antenna gain values for up to 4 antennas
48 * on each band. Values in dBm/4 (Q5.2). Negative gain means the
49 * loss in the connectors is bigger than the gain. */
53 } ghz24; /* 2.4GHz band */
56 } ghz5; /* 5GHz band */
59 /* TODO - add any parameters needed from rev 2, 3, or 4 SPROMs */
62 /* Information about the PCB the circuitry is soldered on. */
63 struct ssb_boardinfo {
71 /* Lowlevel read/write operations on the device MMIO.
72 * Internal, don't use that outside of ssb. */
74 u16 (*read16)(struct ssb_device *dev, u16 offset);
75 u32 (*read32)(struct ssb_device *dev, u16 offset);
76 void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
77 void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
82 #define SSB_DEV_CHIPCOMMON 0x800
83 #define SSB_DEV_ILINE20 0x801
84 #define SSB_DEV_SDRAM 0x803
85 #define SSB_DEV_PCI 0x804
86 #define SSB_DEV_MIPS 0x805
87 #define SSB_DEV_ETHERNET 0x806
88 #define SSB_DEV_V90 0x807
89 #define SSB_DEV_USB11_HOSTDEV 0x808
90 #define SSB_DEV_ADSL 0x809
91 #define SSB_DEV_ILINE100 0x80A
92 #define SSB_DEV_IPSEC 0x80B
93 #define SSB_DEV_PCMCIA 0x80D
94 #define SSB_DEV_INTERNAL_MEM 0x80E
95 #define SSB_DEV_MEMC_SDRAM 0x80F
96 #define SSB_DEV_EXTIF 0x811
97 #define SSB_DEV_80211 0x812
98 #define SSB_DEV_MIPS_3302 0x816
99 #define SSB_DEV_USB11_HOST 0x817
100 #define SSB_DEV_USB11_DEV 0x818
101 #define SSB_DEV_USB20_HOST 0x819
102 #define SSB_DEV_USB20_DEV 0x81A
103 #define SSB_DEV_SDIO_HOST 0x81B
104 #define SSB_DEV_ROBOSWITCH 0x81C
105 #define SSB_DEV_PARA_ATA 0x81D
106 #define SSB_DEV_SATA_XORDMA 0x81E
107 #define SSB_DEV_ETHERNET_GBIT 0x81F
108 #define SSB_DEV_PCIE 0x820
109 #define SSB_DEV_MIMO_PHY 0x821
110 #define SSB_DEV_SRAM_CTRLR 0x822
111 #define SSB_DEV_MINI_MACPHY 0x823
112 #define SSB_DEV_ARM_1176 0x824
113 #define SSB_DEV_ARM_7TDMI 0x825
115 /* Vendor-ID values */
116 #define SSB_VENDOR_BROADCOM 0x4243
118 /* Some kernel subsystems poke with dev->drvdata, so we must use the
119 * following ugly workaround to get from struct device to struct ssb_device */
120 struct __ssb_dev_wrapper {
122 struct ssb_device *sdev;
126 /* Having a copy of the ops pointer in each dev struct
127 * is an optimization. */
128 const struct ssb_bus_ops *ops;
132 struct ssb_device_id id;
137 /* Internal-only stuff follows. */
138 void *drvdata; /* Per-device data */
139 void *devtypedata; /* Per-devicetype (eg 802.11) data */
142 /* Go from struct device to struct ssb_device. */
144 struct ssb_device * dev_to_ssb_dev(struct device *dev)
146 struct __ssb_dev_wrapper *wrap;
147 wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
151 /* Device specific user data */
153 void ssb_set_drvdata(struct ssb_device *dev, void *data)
158 void * ssb_get_drvdata(struct ssb_device *dev)
163 /* Devicetype specific user data. This is per device-type (not per device) */
164 void ssb_set_devtypedata(struct ssb_device *dev, void *data);
166 void * ssb_get_devtypedata(struct ssb_device *dev)
168 return dev->devtypedata;
174 const struct ssb_device_id *id_table;
176 int (*probe)(struct ssb_device *dev, const struct ssb_device_id *id);
177 void (*remove)(struct ssb_device *dev);
178 int (*suspend)(struct ssb_device *dev, pm_message_t state);
179 int (*resume)(struct ssb_device *dev);
180 void (*shutdown)(struct ssb_device *dev);
182 struct device_driver drv;
184 #define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
186 extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner);
187 static inline int ssb_driver_register(struct ssb_driver *drv)
189 return __ssb_driver_register(drv, THIS_MODULE);
191 extern void ssb_driver_unregister(struct ssb_driver *drv);
197 SSB_BUSTYPE_SSB, /* This SSB bus is the system bus */
198 SSB_BUSTYPE_PCI, /* SSB is connected to PCI bus */
199 SSB_BUSTYPE_PCMCIA, /* SSB is connected to PCMCIA bus */
203 #define SSB_BOARDVENDOR_BCM 0x14E4 /* Broadcom */
204 #define SSB_BOARDVENDOR_DELL 0x1028 /* Dell */
205 #define SSB_BOARDVENDOR_HP 0x0E11 /* HP */
207 #define SSB_BOARD_BCM94306MP 0x0418
208 #define SSB_BOARD_BCM4309G 0x0421
209 #define SSB_BOARD_BCM4306CB 0x0417
210 #define SSB_BOARD_BCM4309MP 0x040C
211 #define SSB_BOARD_MP4318 0x044A
212 #define SSB_BOARD_BU4306 0x0416
213 #define SSB_BOARD_BU4309 0x040A
215 #define SSB_CHIPPACK_BCM4712S 1 /* Small 200pin 4712 */
216 #define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */
217 #define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */
219 #include <linux/ssb/ssb_driver_chipcommon.h>
220 #include <linux/ssb/ssb_driver_mips.h>
221 #include <linux/ssb/ssb_driver_extif.h>
222 #include <linux/ssb/ssb_driver_pci.h>
228 const struct ssb_bus_ops *ops;
230 /* The core in the basic address register window. (PCI bus only) */
231 struct ssb_device *mapped_device;
232 /* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
233 u8 mapped_pcmcia_seg;
234 /* Lock for core and segment switching.
235 * On PCMCIA-host busses this is used to protect the whole MMIO access. */
238 /* The bus this backplane is running on. */
239 enum ssb_bustype bustype;
240 /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
241 struct pci_dev *host_pci;
242 /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
243 struct pcmcia_device *host_pcmcia;
245 #ifdef CONFIG_SSB_PCIHOST
246 /* Mutex to protect the SPROM writing. */
247 struct mutex pci_sprom_mutex;
250 /* ID information about the Chip. */
253 u16 sprom_size; /* number of words in sprom */
256 /* List of devices (cores) on the backplane. */
257 struct ssb_device devices[SSB_MAX_NR_CORES];
260 /* Reference count. Number of suspended devices. */
263 /* Software ID number for this bus. */
264 unsigned int busnumber;
266 /* The ChipCommon device (if available). */
267 struct ssb_chipcommon chipco;
268 /* The PCI-core device (if available). */
269 struct ssb_pcicore pcicore;
270 /* The MIPS-core device (if available). */
271 struct ssb_mipscore mipscore;
272 /* The EXTif-core device (if available). */
273 struct ssb_extif extif;
275 /* The following structure elements are not available in early
276 * SSB initialization. Though, they are available for regular
277 * registered drivers at any stage. So be careful when
278 * using them in the ssb core code. */
280 /* ID information about the PCB. */
281 struct ssb_boardinfo boardinfo;
282 /* Contents of the SPROM. */
283 struct ssb_sprom sprom;
285 /* Internal-only stuff follows. Do not touch. */
286 struct list_head list;
287 #ifdef CONFIG_SSB_DEBUG
288 /* Is the bus already powered up? */
290 int power_warn_count;
294 /* The initialization-invariants. */
295 struct ssb_init_invariants {
296 struct ssb_boardinfo boardinfo;
297 struct ssb_sprom sprom;
299 /* Type of function to fetch the invariants. */
300 typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus,
301 struct ssb_init_invariants *iv);
303 /* Register a SSB system bus. get_invariants() is called after the
304 * basic system devices are initialized.
305 * The invariants are usually fetched from some NVRAM.
306 * Put the invariants into the struct pointed to by iv. */
307 extern int ssb_bus_ssbbus_register(struct ssb_bus *bus,
308 unsigned long baseaddr,
309 ssb_invariants_func_t get_invariants);
310 #ifdef CONFIG_SSB_PCIHOST
311 extern int ssb_bus_pcibus_register(struct ssb_bus *bus,
312 struct pci_dev *host_pci);
313 #endif /* CONFIG_SSB_PCIHOST */
314 #ifdef CONFIG_SSB_PCMCIAHOST
315 extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
316 struct pcmcia_device *pcmcia_dev,
317 unsigned long baseaddr);
318 #endif /* CONFIG_SSB_PCMCIAHOST */
320 extern void ssb_bus_unregister(struct ssb_bus *bus);
322 extern u32 ssb_clockspeed(struct ssb_bus *bus);
324 /* Is the device enabled in hardware? */
325 int ssb_device_is_enabled(struct ssb_device *dev);
326 /* Enable a device and pass device-specific SSB_TMSLOW flags.
327 * If no device-specific flags are available, use 0. */
328 void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
329 /* Disable a device in hardware and pass SSB_TMSLOW flags (if any). */
330 void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);
333 /* Device MMIO register read/write functions. */
334 static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
336 return dev->ops->read16(dev, offset);
338 static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
340 return dev->ops->read32(dev, offset);
342 static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
344 dev->ops->write16(dev, offset, value);
346 static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
348 dev->ops->write32(dev, offset, value);
352 /* Translation (routing) bits that need to be ORed to DMA
353 * addresses before they are given to a device. */
354 extern u32 ssb_dma_translation(struct ssb_device *dev);
355 #define SSB_DMA_TRANSLATION_MASK 0xC0000000
356 #define SSB_DMA_TRANSLATION_SHIFT 30
358 extern int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask);
361 #ifdef CONFIG_SSB_PCIHOST
362 /* PCI-host wrapper driver */
363 extern int ssb_pcihost_register(struct pci_driver *driver);
364 static inline void ssb_pcihost_unregister(struct pci_driver *driver)
366 pci_unregister_driver(driver);
370 void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
372 if (sdev->bus->bustype == SSB_BUSTYPE_PCI)
373 pci_set_power_state(sdev->bus->host_pci, state);
375 #endif /* CONFIG_SSB_PCIHOST */
378 /* If a driver is shutdown or suspended, call this to signal
379 * that the bus may be completely powered down. SSB will decide,
380 * if it's really time to power down the bus, based on if there
381 * are other devices that want to run. */
382 extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
383 /* Before initializing and enabling a device, call this to power-up the bus.
384 * If you want to allow use of dynamic-power-control, pass the flag.
385 * Otherwise static always-on powercontrol will be used. */
386 extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl);
389 /* Various helper functions */
390 extern u32 ssb_admatch_base(u32 adm);
391 extern u32 ssb_admatch_size(u32 adm);
394 #endif /* LINUX_SSB_H_ */