xref: /openbmc/linux/arch/powerpc/include/asm/ps3.h (revision 0da85d1e)
1 /*
2  *  PS3 platform declarations.
3  *
4  *  Copyright (C) 2006 Sony Computer Entertainment Inc.
5  *  Copyright 2006 Sony Corp.
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; version 2 of the License.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20 
21 #if !defined(_ASM_POWERPC_PS3_H)
22 #define _ASM_POWERPC_PS3_H
23 
24 #include <linux/types.h>
25 #include <linux/device.h>
26 #include <asm/cell-pmu.h>
27 
28 union ps3_firmware_version {
29 	u64 raw;
30 	struct {
31 		u16 pad;
32 		u16 major;
33 		u16 minor;
34 		u16 rev;
35 	};
36 };
37 
38 void ps3_get_firmware_version(union ps3_firmware_version *v);
39 int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev);
40 
41 /* 'Other OS' area */
42 
43 enum ps3_param_av_multi_out {
44 	PS3_PARAM_AV_MULTI_OUT_NTSC = 0,
45 	PS3_PARAM_AV_MULTI_OUT_PAL_RGB = 1,
46 	PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR = 2,
47 	PS3_PARAM_AV_MULTI_OUT_SECAM = 3,
48 };
49 
50 enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void);
51 
52 extern u64 ps3_os_area_get_rtc_diff(void);
53 extern void ps3_os_area_set_rtc_diff(u64 rtc_diff);
54 
55 struct ps3_os_area_flash_ops {
56 	ssize_t (*read)(void *buf, size_t count, loff_t pos);
57 	ssize_t (*write)(const void *buf, size_t count, loff_t pos);
58 };
59 
60 extern void ps3_os_area_flash_register(const struct ps3_os_area_flash_ops *ops);
61 
62 /* dma routines */
63 
64 enum ps3_dma_page_size {
65 	PS3_DMA_4K = 12U,
66 	PS3_DMA_64K = 16U,
67 	PS3_DMA_1M = 20U,
68 	PS3_DMA_16M = 24U,
69 };
70 
71 enum ps3_dma_region_type {
72 	PS3_DMA_OTHER = 0,
73 	PS3_DMA_INTERNAL = 2,
74 };
75 
76 struct ps3_dma_region_ops;
77 
78 /**
79  * struct ps3_dma_region - A per device dma state variables structure
80  * @did: The HV device id.
81  * @page_size: The ioc pagesize.
82  * @region_type: The HV region type.
83  * @bus_addr: The 'translated' bus address of the region.
84  * @len: The length in bytes of the region.
85  * @offset: The offset from the start of memory of the region.
86  * @ioid: The IOID of the device who owns this region
87  * @chunk_list: Opaque variable used by the ioc page manager.
88  * @region_ops: struct ps3_dma_region_ops - dma region operations
89  */
90 
91 struct ps3_dma_region {
92 	struct ps3_system_bus_device *dev;
93 	/* device variables */
94 	const struct ps3_dma_region_ops *region_ops;
95 	unsigned char ioid;
96 	enum ps3_dma_page_size page_size;
97 	enum ps3_dma_region_type region_type;
98 	unsigned long len;
99 	unsigned long offset;
100 
101 	/* driver variables  (set by ps3_dma_region_create) */
102 	unsigned long bus_addr;
103 	struct {
104 		spinlock_t lock;
105 		struct list_head head;
106 	} chunk_list;
107 };
108 
109 struct ps3_dma_region_ops {
110 	int (*create)(struct ps3_dma_region *);
111 	int (*free)(struct ps3_dma_region *);
112 	int (*map)(struct ps3_dma_region *,
113 		   unsigned long virt_addr,
114 		   unsigned long len,
115 		   dma_addr_t *bus_addr,
116 		   u64 iopte_pp);
117 	int (*unmap)(struct ps3_dma_region *,
118 		     dma_addr_t bus_addr,
119 		     unsigned long len);
120 };
121 /**
122  * struct ps3_dma_region_init - Helper to initialize structure variables
123  *
124  * Helper to properly initialize variables prior to calling
125  * ps3_system_bus_device_register.
126  */
127 
128 struct ps3_system_bus_device;
129 
130 int ps3_dma_region_init(struct ps3_system_bus_device *dev,
131 	struct ps3_dma_region *r, enum ps3_dma_page_size page_size,
132 	enum ps3_dma_region_type region_type, void *addr, unsigned long len);
133 int ps3_dma_region_create(struct ps3_dma_region *r);
134 int ps3_dma_region_free(struct ps3_dma_region *r);
135 int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
136 	unsigned long len, dma_addr_t *bus_addr,
137 	u64 iopte_pp);
138 int ps3_dma_unmap(struct ps3_dma_region *r, dma_addr_t bus_addr,
139 	unsigned long len);
140 
141 /* mmio routines */
142 
143 enum ps3_mmio_page_size {
144 	PS3_MMIO_4K = 12U,
145 	PS3_MMIO_64K = 16U
146 };
147 
148 struct ps3_mmio_region_ops;
149 /**
150  * struct ps3_mmio_region - a per device mmio state variables structure
151  *
152  * Current systems can be supported with a single region per device.
153  */
154 
155 struct ps3_mmio_region {
156 	struct ps3_system_bus_device *dev;
157 	const struct ps3_mmio_region_ops *mmio_ops;
158 	unsigned long bus_addr;
159 	unsigned long len;
160 	enum ps3_mmio_page_size page_size;
161 	unsigned long lpar_addr;
162 };
163 
164 struct ps3_mmio_region_ops {
165 	int (*create)(struct ps3_mmio_region *);
166 	int (*free)(struct ps3_mmio_region *);
167 };
168 /**
169  * struct ps3_mmio_region_init - Helper to initialize structure variables
170  *
171  * Helper to properly initialize variables prior to calling
172  * ps3_system_bus_device_register.
173  */
174 
175 int ps3_mmio_region_init(struct ps3_system_bus_device *dev,
176 	struct ps3_mmio_region *r, unsigned long bus_addr, unsigned long len,
177 	enum ps3_mmio_page_size page_size);
178 int ps3_mmio_region_create(struct ps3_mmio_region *r);
179 int ps3_free_mmio_region(struct ps3_mmio_region *r);
180 unsigned long ps3_mm_phys_to_lpar(unsigned long phys_addr);
181 
182 /* inrerrupt routines */
183 
184 enum ps3_cpu_binding {
185 	PS3_BINDING_CPU_ANY = -1,
186 	PS3_BINDING_CPU_0 = 0,
187 	PS3_BINDING_CPU_1 = 1,
188 };
189 
190 int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
191 	unsigned int *virq);
192 int ps3_irq_plug_destroy(unsigned int virq);
193 int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq);
194 int ps3_event_receive_port_destroy(unsigned int virq);
195 int ps3_send_event_locally(unsigned int virq);
196 
197 int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id,
198 	unsigned int *virq);
199 int ps3_io_irq_destroy(unsigned int virq);
200 int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp,
201 	unsigned int *virq);
202 int ps3_vuart_irq_destroy(unsigned int virq);
203 int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id,
204 	unsigned int class, unsigned int *virq);
205 int ps3_spe_irq_destroy(unsigned int virq);
206 
207 int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev,
208 	enum ps3_cpu_binding cpu, unsigned int *virq);
209 int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev,
210 	unsigned int virq);
211 
212 /* lv1 result codes */
213 
214 enum lv1_result {
215 	LV1_SUCCESS                     = 0,
216 	/* not used                       -1 */
217 	LV1_RESOURCE_SHORTAGE           = -2,
218 	LV1_NO_PRIVILEGE                = -3,
219 	LV1_DENIED_BY_POLICY            = -4,
220 	LV1_ACCESS_VIOLATION            = -5,
221 	LV1_NO_ENTRY                    = -6,
222 	LV1_DUPLICATE_ENTRY             = -7,
223 	LV1_TYPE_MISMATCH               = -8,
224 	LV1_BUSY                        = -9,
225 	LV1_EMPTY                       = -10,
226 	LV1_WRONG_STATE                 = -11,
227 	/* not used                       -12 */
228 	LV1_NO_MATCH                    = -13,
229 	LV1_ALREADY_CONNECTED           = -14,
230 	LV1_UNSUPPORTED_PARAMETER_VALUE = -15,
231 	LV1_CONDITION_NOT_SATISFIED     = -16,
232 	LV1_ILLEGAL_PARAMETER_VALUE     = -17,
233 	LV1_BAD_OPTION                  = -18,
234 	LV1_IMPLEMENTATION_LIMITATION   = -19,
235 	LV1_NOT_IMPLEMENTED             = -20,
236 	LV1_INVALID_CLASS_ID            = -21,
237 	LV1_CONSTRAINT_NOT_SATISFIED    = -22,
238 	LV1_ALIGNMENT_ERROR             = -23,
239 	LV1_HARDWARE_ERROR              = -24,
240 	LV1_INVALID_DATA_FORMAT         = -25,
241 	LV1_INVALID_OPERATION           = -26,
242 	LV1_INTERNAL_ERROR              = -32768,
243 };
244 
245 static inline const char* ps3_result(int result)
246 {
247 #if defined(DEBUG) || defined(PS3_VERBOSE_RESULT)
248 	switch (result) {
249 	case LV1_SUCCESS:
250 		return "LV1_SUCCESS (0)";
251 	case -1:
252 		return "** unknown result ** (-1)";
253 	case LV1_RESOURCE_SHORTAGE:
254 		return "LV1_RESOURCE_SHORTAGE (-2)";
255 	case LV1_NO_PRIVILEGE:
256 		return "LV1_NO_PRIVILEGE (-3)";
257 	case LV1_DENIED_BY_POLICY:
258 		return "LV1_DENIED_BY_POLICY (-4)";
259 	case LV1_ACCESS_VIOLATION:
260 		return "LV1_ACCESS_VIOLATION (-5)";
261 	case LV1_NO_ENTRY:
262 		return "LV1_NO_ENTRY (-6)";
263 	case LV1_DUPLICATE_ENTRY:
264 		return "LV1_DUPLICATE_ENTRY (-7)";
265 	case LV1_TYPE_MISMATCH:
266 		return "LV1_TYPE_MISMATCH (-8)";
267 	case LV1_BUSY:
268 		return "LV1_BUSY (-9)";
269 	case LV1_EMPTY:
270 		return "LV1_EMPTY (-10)";
271 	case LV1_WRONG_STATE:
272 		return "LV1_WRONG_STATE (-11)";
273 	case -12:
274 		return "** unknown result ** (-12)";
275 	case LV1_NO_MATCH:
276 		return "LV1_NO_MATCH (-13)";
277 	case LV1_ALREADY_CONNECTED:
278 		return "LV1_ALREADY_CONNECTED (-14)";
279 	case LV1_UNSUPPORTED_PARAMETER_VALUE:
280 		return "LV1_UNSUPPORTED_PARAMETER_VALUE (-15)";
281 	case LV1_CONDITION_NOT_SATISFIED:
282 		return "LV1_CONDITION_NOT_SATISFIED (-16)";
283 	case LV1_ILLEGAL_PARAMETER_VALUE:
284 		return "LV1_ILLEGAL_PARAMETER_VALUE (-17)";
285 	case LV1_BAD_OPTION:
286 		return "LV1_BAD_OPTION (-18)";
287 	case LV1_IMPLEMENTATION_LIMITATION:
288 		return "LV1_IMPLEMENTATION_LIMITATION (-19)";
289 	case LV1_NOT_IMPLEMENTED:
290 		return "LV1_NOT_IMPLEMENTED (-20)";
291 	case LV1_INVALID_CLASS_ID:
292 		return "LV1_INVALID_CLASS_ID (-21)";
293 	case LV1_CONSTRAINT_NOT_SATISFIED:
294 		return "LV1_CONSTRAINT_NOT_SATISFIED (-22)";
295 	case LV1_ALIGNMENT_ERROR:
296 		return "LV1_ALIGNMENT_ERROR (-23)";
297 	case LV1_HARDWARE_ERROR:
298 		return "LV1_HARDWARE_ERROR (-24)";
299 	case LV1_INVALID_DATA_FORMAT:
300 		return "LV1_INVALID_DATA_FORMAT (-25)";
301 	case LV1_INVALID_OPERATION:
302 		return "LV1_INVALID_OPERATION (-26)";
303 	case LV1_INTERNAL_ERROR:
304 		return "LV1_INTERNAL_ERROR (-32768)";
305 	default:
306 		BUG();
307 		return "** unknown result **";
308 	};
309 #else
310 	return "";
311 #endif
312 }
313 
314 /* system bus routines */
315 
316 enum ps3_match_id {
317 	PS3_MATCH_ID_EHCI		= 1,
318 	PS3_MATCH_ID_OHCI		= 2,
319 	PS3_MATCH_ID_GELIC		= 3,
320 	PS3_MATCH_ID_AV_SETTINGS	= 4,
321 	PS3_MATCH_ID_SYSTEM_MANAGER	= 5,
322 	PS3_MATCH_ID_STOR_DISK		= 6,
323 	PS3_MATCH_ID_STOR_ROM		= 7,
324 	PS3_MATCH_ID_STOR_FLASH		= 8,
325 	PS3_MATCH_ID_SOUND		= 9,
326 	PS3_MATCH_ID_GPU		= 10,
327 	PS3_MATCH_ID_LPM		= 11,
328 };
329 
330 enum ps3_match_sub_id {
331 	PS3_MATCH_SUB_ID_GPU_FB		= 1,
332 	PS3_MATCH_SUB_ID_GPU_RAMDISK	= 2,
333 };
334 
335 #define PS3_MODULE_ALIAS_EHCI		"ps3:1:0"
336 #define PS3_MODULE_ALIAS_OHCI		"ps3:2:0"
337 #define PS3_MODULE_ALIAS_GELIC		"ps3:3:0"
338 #define PS3_MODULE_ALIAS_AV_SETTINGS	"ps3:4:0"
339 #define PS3_MODULE_ALIAS_SYSTEM_MANAGER	"ps3:5:0"
340 #define PS3_MODULE_ALIAS_STOR_DISK	"ps3:6:0"
341 #define PS3_MODULE_ALIAS_STOR_ROM	"ps3:7:0"
342 #define PS3_MODULE_ALIAS_STOR_FLASH	"ps3:8:0"
343 #define PS3_MODULE_ALIAS_SOUND		"ps3:9:0"
344 #define PS3_MODULE_ALIAS_GPU_FB		"ps3:10:1"
345 #define PS3_MODULE_ALIAS_GPU_RAMDISK	"ps3:10:2"
346 #define PS3_MODULE_ALIAS_LPM		"ps3:11:0"
347 
348 enum ps3_system_bus_device_type {
349 	PS3_DEVICE_TYPE_IOC0 = 1,
350 	PS3_DEVICE_TYPE_SB,
351 	PS3_DEVICE_TYPE_VUART,
352 	PS3_DEVICE_TYPE_LPM,
353 };
354 
355 /**
356  * struct ps3_system_bus_device - a device on the system bus
357  */
358 
359 struct ps3_system_bus_device {
360 	enum ps3_match_id match_id;
361 	enum ps3_match_sub_id match_sub_id;
362 	enum ps3_system_bus_device_type dev_type;
363 
364 	u64 bus_id;                       /* SB */
365 	u64 dev_id;                       /* SB */
366 	unsigned int interrupt_id;        /* SB */
367 	struct ps3_dma_region *d_region;  /* SB, IOC0 */
368 	struct ps3_mmio_region *m_region; /* SB, IOC0*/
369 	unsigned int port_number;         /* VUART */
370 	struct {                          /* LPM */
371 		u64 node_id;
372 		u64 pu_id;
373 		u64 rights;
374 	} lpm;
375 
376 /*	struct iommu_table *iommu_table; -- waiting for BenH's cleanups */
377 	struct device core;
378 	void *driver_priv; /* private driver variables */
379 };
380 
381 int ps3_open_hv_device(struct ps3_system_bus_device *dev);
382 int ps3_close_hv_device(struct ps3_system_bus_device *dev);
383 
384 /**
385  * struct ps3_system_bus_driver - a driver for a device on the system bus
386  */
387 
388 struct ps3_system_bus_driver {
389 	enum ps3_match_id match_id;
390 	enum ps3_match_sub_id match_sub_id;
391 	struct device_driver core;
392 	int (*probe)(struct ps3_system_bus_device *);
393 	int (*remove)(struct ps3_system_bus_device *);
394 	int (*shutdown)(struct ps3_system_bus_device *);
395 /*	int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
396 /*	int (*resume)(struct ps3_system_bus_device *); */
397 };
398 
399 int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
400 int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
401 void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);
402 
403 static inline struct ps3_system_bus_driver *ps3_drv_to_system_bus_drv(
404 	struct device_driver *_drv)
405 {
406 	return container_of(_drv, struct ps3_system_bus_driver, core);
407 }
408 static inline struct ps3_system_bus_device *ps3_dev_to_system_bus_dev(
409 	struct device *_dev)
410 {
411 	return container_of(_dev, struct ps3_system_bus_device, core);
412 }
413 static inline struct ps3_system_bus_driver *
414 	ps3_system_bus_dev_to_system_bus_drv(struct ps3_system_bus_device *_dev)
415 {
416 	BUG_ON(!_dev);
417 	BUG_ON(!_dev->core.driver);
418 	return ps3_drv_to_system_bus_drv(_dev->core.driver);
419 }
420 
421 /**
422  * ps3_system_bus_set_drvdata -
423  * @dev: device structure
424  * @data: Data to set
425  */
426 
427 static inline void ps3_system_bus_set_drvdata(
428 	struct ps3_system_bus_device *dev, void *data)
429 {
430 	dev_set_drvdata(&dev->core, data);
431 }
432 static inline void *ps3_system_bus_get_drvdata(
433 	struct ps3_system_bus_device *dev)
434 {
435 	return dev_get_drvdata(&dev->core);
436 }
437 
438 /* These two need global scope for get_dma_ops(). */
439 
440 extern struct bus_type ps3_system_bus_type;
441 
442 /* system manager */
443 
444 struct ps3_sys_manager_ops {
445 	struct ps3_system_bus_device *dev;
446 	void (*power_off)(struct ps3_system_bus_device *dev);
447 	void (*restart)(struct ps3_system_bus_device *dev);
448 };
449 
450 void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops);
451 void __noreturn ps3_sys_manager_power_off(void);
452 void __noreturn ps3_sys_manager_restart(void);
453 void __noreturn ps3_sys_manager_halt(void);
454 int ps3_sys_manager_get_wol(void);
455 void ps3_sys_manager_set_wol(int state);
456 
457 struct ps3_prealloc {
458     const char *name;
459     void *address;
460     unsigned long size;
461     unsigned long align;
462 };
463 
464 extern struct ps3_prealloc ps3fb_videomemory;
465 extern struct ps3_prealloc ps3flash_bounce_buffer;
466 
467 /* logical performance monitor */
468 
469 /**
470  * enum ps3_lpm_rights - Rigths granted by the system policy module.
471  *
472  * @PS3_LPM_RIGHTS_USE_LPM: The right to use the lpm.
473  * @PS3_LPM_RIGHTS_USE_TB: The right to use the internal trace buffer.
474  */
475 
476 enum ps3_lpm_rights {
477 	PS3_LPM_RIGHTS_USE_LPM = 0x001,
478 	PS3_LPM_RIGHTS_USE_TB = 0x100,
479 };
480 
481 /**
482  * enum ps3_lpm_tb_type - Type of trace buffer lv1 should use.
483  *
484  * @PS3_LPM_TB_TYPE_NONE: Do not use a trace buffer.
485  * @PS3_LPM_RIGHTS_USE_TB: Use the lv1 internal trace buffer.  Must have
486  *  rights @PS3_LPM_RIGHTS_USE_TB.
487  */
488 
489 enum ps3_lpm_tb_type {
490 	PS3_LPM_TB_TYPE_NONE = 0,
491 	PS3_LPM_TB_TYPE_INTERNAL = 1,
492 };
493 
494 int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
495 	u64 tb_cache_size);
496 int ps3_lpm_close(void);
497 int ps3_lpm_copy_tb(unsigned long offset, void *buf, unsigned long count,
498 	unsigned long *bytes_copied);
499 int ps3_lpm_copy_tb_to_user(unsigned long offset, void __user *buf,
500 	unsigned long count, unsigned long *bytes_copied);
501 void ps3_set_bookmark(u64 bookmark);
502 void ps3_set_pm_bookmark(u64 tag, u64 incident, u64 th_id);
503 int ps3_set_signal(u64 rtas_signal_group, u8 signal_bit, u16 sub_unit,
504 	u8 bus_word);
505 
506 u32 ps3_read_phys_ctr(u32 cpu, u32 phys_ctr);
507 void ps3_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
508 u32 ps3_read_ctr(u32 cpu, u32 ctr);
509 void ps3_write_ctr(u32 cpu, u32 ctr, u32 val);
510 
511 u32 ps3_read_pm07_control(u32 cpu, u32 ctr);
512 void ps3_write_pm07_control(u32 cpu, u32 ctr, u32 val);
513 u32 ps3_read_pm(u32 cpu, enum pm_reg_name reg);
514 void ps3_write_pm(u32 cpu, enum pm_reg_name reg, u32 val);
515 
516 u32 ps3_get_ctr_size(u32 cpu, u32 phys_ctr);
517 void ps3_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);
518 
519 void ps3_enable_pm(u32 cpu);
520 void ps3_disable_pm(u32 cpu);
521 void ps3_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask);
522 void ps3_disable_pm_interrupts(u32 cpu);
523 
524 u32 ps3_get_and_clear_pm_interrupts(u32 cpu);
525 void ps3_sync_irq(int node);
526 u32 ps3_get_hw_thread_id(int cpu);
527 u64 ps3_get_spe_id(void *arg);
528 
529 #endif
530