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 country_code
; /* Country Code */
32 u8 gpio0
; /* GPIO pin 0 */
33 u8 gpio1
; /* GPIO pin 1 */
34 u8 gpio2
; /* GPIO pin 2 */
35 u8 gpio3
; /* GPIO pin 3 */
36 u16 maxpwr_a
; /* A-PHY Amplifier Max Power (in dBm Q5.2) */
37 u16 maxpwr_bg
; /* B/G-PHY Amplifier Max Power (in dBm Q5.2) */
38 u8 itssi_a
; /* Idle TSSI Target for A-PHY */
39 u8 itssi_bg
; /* Idle TSSI Target for B/G-PHY */
40 u16 boardflags_lo
; /* Boardflags (low 16 bits) */
41 u8 antenna_gain_a
; /* A-PHY Antenna gain (in dBm Q5.2) */
42 u8 antenna_gain_bg
; /* B/G-PHY Antenna gain (in dBm Q5.2) */
44 /* TODO - add any parameters needed from rev 2, 3, or 4 SPROMs */
47 /* Information about the PCB the circuitry is soldered on. */
48 struct ssb_boardinfo
{
56 /* Lowlevel read/write operations on the device MMIO.
57 * Internal, don't use that outside of ssb. */
59 u16 (*read16
)(struct ssb_device
*dev
, u16 offset
);
60 u32 (*read32
)(struct ssb_device
*dev
, u16 offset
);
61 void (*write16
)(struct ssb_device
*dev
, u16 offset
, u16 value
);
62 void (*write32
)(struct ssb_device
*dev
, u16 offset
, u32 value
);
67 #define SSB_DEV_CHIPCOMMON 0x800
68 #define SSB_DEV_ILINE20 0x801
69 #define SSB_DEV_SDRAM 0x803
70 #define SSB_DEV_PCI 0x804
71 #define SSB_DEV_MIPS 0x805
72 #define SSB_DEV_ETHERNET 0x806
73 #define SSB_DEV_V90 0x807
74 #define SSB_DEV_USB11_HOSTDEV 0x808
75 #define SSB_DEV_ADSL 0x809
76 #define SSB_DEV_ILINE100 0x80A
77 #define SSB_DEV_IPSEC 0x80B
78 #define SSB_DEV_PCMCIA 0x80D
79 #define SSB_DEV_INTERNAL_MEM 0x80E
80 #define SSB_DEV_MEMC_SDRAM 0x80F
81 #define SSB_DEV_EXTIF 0x811
82 #define SSB_DEV_80211 0x812
83 #define SSB_DEV_MIPS_3302 0x816
84 #define SSB_DEV_USB11_HOST 0x817
85 #define SSB_DEV_USB11_DEV 0x818
86 #define SSB_DEV_USB20_HOST 0x819
87 #define SSB_DEV_USB20_DEV 0x81A
88 #define SSB_DEV_SDIO_HOST 0x81B
89 #define SSB_DEV_ROBOSWITCH 0x81C
90 #define SSB_DEV_PARA_ATA 0x81D
91 #define SSB_DEV_SATA_XORDMA 0x81E
92 #define SSB_DEV_ETHERNET_GBIT 0x81F
93 #define SSB_DEV_PCIE 0x820
94 #define SSB_DEV_MIMO_PHY 0x821
95 #define SSB_DEV_SRAM_CTRLR 0x822
96 #define SSB_DEV_MINI_MACPHY 0x823
97 #define SSB_DEV_ARM_1176 0x824
98 #define SSB_DEV_ARM_7TDMI 0x825
100 /* Vendor-ID values */
101 #define SSB_VENDOR_BROADCOM 0x4243
103 /* Some kernel subsystems poke with dev->drvdata, so we must use the
104 * following ugly workaround to get from struct device to struct ssb_device */
105 struct __ssb_dev_wrapper
{
107 struct ssb_device
*sdev
;
111 /* Having a copy of the ops pointer in each dev struct
112 * is an optimization. */
113 const struct ssb_bus_ops
*ops
;
117 struct ssb_device_id id
;
122 /* Internal-only stuff follows. */
123 void *drvdata
; /* Per-device data */
124 void *devtypedata
; /* Per-devicetype (eg 802.11) data */
127 /* Go from struct device to struct ssb_device. */
129 struct ssb_device
* dev_to_ssb_dev(struct device
*dev
)
131 struct __ssb_dev_wrapper
*wrap
;
132 wrap
= container_of(dev
, struct __ssb_dev_wrapper
, dev
);
136 /* Device specific user data */
138 void ssb_set_drvdata(struct ssb_device
*dev
, void *data
)
143 void * ssb_get_drvdata(struct ssb_device
*dev
)
148 /* Devicetype specific user data. This is per device-type (not per device) */
149 void ssb_set_devtypedata(struct ssb_device
*dev
, void *data
);
151 void * ssb_get_devtypedata(struct ssb_device
*dev
)
153 return dev
->devtypedata
;
159 const struct ssb_device_id
*id_table
;
161 int (*probe
)(struct ssb_device
*dev
, const struct ssb_device_id
*id
);
162 void (*remove
)(struct ssb_device
*dev
);
163 int (*suspend
)(struct ssb_device
*dev
, pm_message_t state
);
164 int (*resume
)(struct ssb_device
*dev
);
165 void (*shutdown
)(struct ssb_device
*dev
);
167 struct device_driver drv
;
169 #define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
171 extern int __ssb_driver_register(struct ssb_driver
*drv
, struct module
*owner
);
172 static inline int ssb_driver_register(struct ssb_driver
*drv
)
174 return __ssb_driver_register(drv
, THIS_MODULE
);
176 extern void ssb_driver_unregister(struct ssb_driver
*drv
);
182 SSB_BUSTYPE_SSB
, /* This SSB bus is the system bus */
183 SSB_BUSTYPE_PCI
, /* SSB is connected to PCI bus */
184 SSB_BUSTYPE_PCMCIA
, /* SSB is connected to PCMCIA bus */
188 #define SSB_BOARDVENDOR_BCM 0x14E4 /* Broadcom */
189 #define SSB_BOARDVENDOR_DELL 0x1028 /* Dell */
190 #define SSB_BOARDVENDOR_HP 0x0E11 /* HP */
192 #define SSB_BOARD_BCM94306MP 0x0418
193 #define SSB_BOARD_BCM4309G 0x0421
194 #define SSB_BOARD_BCM4306CB 0x0417
195 #define SSB_BOARD_BCM4309MP 0x040C
196 #define SSB_BOARD_MP4318 0x044A
197 #define SSB_BOARD_BU4306 0x0416
198 #define SSB_BOARD_BU4309 0x040A
200 #define SSB_CHIPPACK_BCM4712S 1 /* Small 200pin 4712 */
201 #define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */
202 #define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */
204 #include <linux/ssb/ssb_driver_chipcommon.h>
205 #include <linux/ssb/ssb_driver_mips.h>
206 #include <linux/ssb/ssb_driver_extif.h>
207 #include <linux/ssb/ssb_driver_pci.h>
213 const struct ssb_bus_ops
*ops
;
215 /* The core in the basic address register window. (PCI bus only) */
216 struct ssb_device
*mapped_device
;
217 /* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
218 u8 mapped_pcmcia_seg
;
219 /* Lock for core and segment switching. */
222 /* The bus this backplane is running on. */
223 enum ssb_bustype bustype
;
224 /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
225 struct pci_dev
*host_pci
;
226 /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
227 struct pcmcia_device
*host_pcmcia
;
229 #ifdef CONFIG_SSB_PCIHOST
230 /* Mutex to protect the SPROM writing. */
231 struct mutex pci_sprom_mutex
;
234 /* ID information about the Chip. */
237 u16 sprom_size
; /* number of words in sprom */
240 /* List of devices (cores) on the backplane. */
241 struct ssb_device devices
[SSB_MAX_NR_CORES
];
244 /* Reference count. Number of suspended devices. */
247 /* Software ID number for this bus. */
248 unsigned int busnumber
;
250 /* The ChipCommon device (if available). */
251 struct ssb_chipcommon chipco
;
252 /* The PCI-core device (if available). */
253 struct ssb_pcicore pcicore
;
254 /* The MIPS-core device (if available). */
255 struct ssb_mipscore mipscore
;
256 /* The EXTif-core device (if available). */
257 struct ssb_extif extif
;
259 /* The following structure elements are not available in early
260 * SSB initialization. Though, they are available for regular
261 * registered drivers at any stage. So be careful when
262 * using them in the ssb core code. */
264 /* ID information about the PCB. */
265 struct ssb_boardinfo boardinfo
;
266 /* Contents of the SPROM. */
267 struct ssb_sprom sprom
;
269 /* Internal-only stuff follows. Do not touch. */
270 struct list_head list
;
271 #ifdef CONFIG_SSB_DEBUG
272 /* Is the bus already powered up? */
274 int power_warn_count
;
278 /* The initialization-invariants. */
279 struct ssb_init_invariants
{
280 struct ssb_boardinfo boardinfo
;
281 struct ssb_sprom sprom
;
283 /* Type of function to fetch the invariants. */
284 typedef int (*ssb_invariants_func_t
)(struct ssb_bus
*bus
,
285 struct ssb_init_invariants
*iv
);
287 /* Register a SSB system bus. get_invariants() is called after the
288 * basic system devices are initialized.
289 * The invariants are usually fetched from some NVRAM.
290 * Put the invariants into the struct pointed to by iv. */
291 extern int ssb_bus_ssbbus_register(struct ssb_bus
*bus
,
292 unsigned long baseaddr
,
293 ssb_invariants_func_t get_invariants
);
294 #ifdef CONFIG_SSB_PCIHOST
295 extern int ssb_bus_pcibus_register(struct ssb_bus
*bus
,
296 struct pci_dev
*host_pci
);
297 #endif /* CONFIG_SSB_PCIHOST */
298 #ifdef CONFIG_SSB_PCMCIAHOST
299 extern int ssb_bus_pcmciabus_register(struct ssb_bus
*bus
,
300 struct pcmcia_device
*pcmcia_dev
,
301 unsigned long baseaddr
);
302 #endif /* CONFIG_SSB_PCMCIAHOST */
304 extern void ssb_bus_unregister(struct ssb_bus
*bus
);
306 extern u32
ssb_clockspeed(struct ssb_bus
*bus
);
308 /* Is the device enabled in hardware? */
309 int ssb_device_is_enabled(struct ssb_device
*dev
);
310 /* Enable a device and pass device-specific SSB_TMSLOW flags.
311 * If no device-specific flags are available, use 0. */
312 void ssb_device_enable(struct ssb_device
*dev
, u32 core_specific_flags
);
313 /* Disable a device in hardware and pass SSB_TMSLOW flags (if any). */
314 void ssb_device_disable(struct ssb_device
*dev
, u32 core_specific_flags
);
317 /* Device MMIO register read/write functions. */
318 static inline u16
ssb_read16(struct ssb_device
*dev
, u16 offset
)
320 return dev
->ops
->read16(dev
, offset
);
322 static inline u32
ssb_read32(struct ssb_device
*dev
, u16 offset
)
324 return dev
->ops
->read32(dev
, offset
);
326 static inline void ssb_write16(struct ssb_device
*dev
, u16 offset
, u16 value
)
328 dev
->ops
->write16(dev
, offset
, value
);
330 static inline void ssb_write32(struct ssb_device
*dev
, u16 offset
, u32 value
)
332 dev
->ops
->write32(dev
, offset
, value
);
336 /* Translation (routing) bits that need to be ORed to DMA
337 * addresses before they are given to a device. */
338 extern u32
ssb_dma_translation(struct ssb_device
*dev
);
339 #define SSB_DMA_TRANSLATION_MASK 0xC0000000
340 #define SSB_DMA_TRANSLATION_SHIFT 30
342 extern int ssb_dma_set_mask(struct ssb_device
*ssb_dev
, u64 mask
);
345 #ifdef CONFIG_SSB_PCIHOST
346 /* PCI-host wrapper driver */
347 extern int ssb_pcihost_register(struct pci_driver
*driver
);
348 static inline void ssb_pcihost_unregister(struct pci_driver
*driver
)
350 pci_unregister_driver(driver
);
352 #endif /* CONFIG_SSB_PCIHOST */
355 /* If a driver is shutdown or suspended, call this to signal
356 * that the bus may be completely powered down. SSB will decide,
357 * if it's really time to power down the bus, based on if there
358 * are other devices that want to run. */
359 extern int ssb_bus_may_powerdown(struct ssb_bus
*bus
);
360 /* Before initializing and enabling a device, call this to power-up the bus.
361 * If you want to allow use of dynamic-power-control, pass the flag.
362 * Otherwise static always-on powercontrol will be used. */
363 extern int ssb_bus_powerup(struct ssb_bus
*bus
, bool dynamic_pctl
);
366 /* Various helper functions */
367 extern u32
ssb_admatch_base(u32 adm
);
368 extern u32
ssb_admatch_size(u32 adm
);
371 #endif /* LINUX_SSB_H_ */