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/init.h>
25 #include <linux/types.h>
26 #include <linux/device.h>
27 #include "cell-pmu.h"
28 
29 union ps3_firmware_version {
30 	u64 raw;
31 	struct {
32 		u16 pad;
33 		u16 major;
34 		u16 minor;
35 		u16 rev;
36 	};
37 };
38 
39 void ps3_get_firmware_version(union ps3_firmware_version *v);
40 int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev);
41 
42 /* 'Other OS' area */
43 
44 enum ps3_param_av_multi_out {
45 	PS3_PARAM_AV_MULTI_OUT_NTSC = 0,
46 	PS3_PARAM_AV_MULTI_OUT_PAL_RGB = 1,
47 	PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR = 2,
48 	PS3_PARAM_AV_MULTI_OUT_SECAM = 3,
49 };
50 
51 enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void);
52 
53 extern u64 ps3_os_area_get_rtc_diff(void);
54 extern void ps3_os_area_set_rtc_diff(u64 rtc_diff);
55 
56 struct ps3_os_area_flash_ops {
57 	ssize_t (*read)(void *buf, size_t count, loff_t pos);
58 	ssize_t (*write)(const void *buf, size_t count, loff_t pos);
59 };
60 
61 extern void ps3_os_area_flash_register(const struct ps3_os_area_flash_ops *ops);
62 
63 /* dma routines */
64 
65 enum ps3_dma_page_size {
66 	PS3_DMA_4K = 12U,
67 	PS3_DMA_64K = 16U,
68 	PS3_DMA_1M = 20U,
69 	PS3_DMA_16M = 24U,
70 };
71 
72 enum ps3_dma_region_type {
73 	PS3_DMA_OTHER = 0,
74 	PS3_DMA_INTERNAL = 2,
75 };
76 
77 struct ps3_dma_region_ops;
78 
79 /**
80  * struct ps3_dma_region - A per device dma state variables structure
81  * @did: The HV device id.
82  * @page_size: The ioc pagesize.
83  * @region_type: The HV region type.
84  * @bus_addr: The 'translated' bus address of the region.
85  * @len: The length in bytes of the region.
86  * @offset: The offset from the start of memory of the region.
87  * @ioid: The IOID of the device who owns this region
88  * @chunk_list: Opaque variable used by the ioc page manager.
89  * @region_ops: struct ps3_dma_region_ops - dma region operations
90  */
91 
92 struct ps3_dma_region {
93 	struct ps3_system_bus_device *dev;
94 	/* device variables */
95 	const struct ps3_dma_region_ops *region_ops;
96 	unsigned char ioid;
97 	enum ps3_dma_page_size page_size;
98 	enum ps3_dma_region_type region_type;
99 	unsigned long len;
100 	unsigned long offset;
101 
102 	/* driver variables  (set by ps3_dma_region_create) */
103 	unsigned long bus_addr;
104 	struct {
105 		spinlock_t lock;
106 		struct list_head head;
107 	} chunk_list;
108 };
109 
110 struct ps3_dma_region_ops {
111 	int (*create)(struct ps3_dma_region *);
112 	int (*free)(struct ps3_dma_region *);
113 	int (*map)(struct ps3_dma_region *,
114 		   unsigned long virt_addr,
115 		   unsigned long len,
116 		   dma_addr_t *bus_addr,
117 		   u64 iopte_pp);
118 	int (*unmap)(struct ps3_dma_region *,
119 		     dma_addr_t bus_addr,
120 		     unsigned long len);
121 };
122 /**
123  * struct ps3_dma_region_init - Helper to initialize structure variables
124  *
125  * Helper to properly initialize variables prior to calling
126  * ps3_system_bus_device_register.
127  */
128 
129 struct ps3_system_bus_device;
130 
131 int ps3_dma_region_init(struct ps3_system_bus_device *dev,
132 	struct ps3_dma_region *r, enum ps3_dma_page_size page_size,
133 	enum ps3_dma_region_type region_type, void *addr, unsigned long len);
134 int ps3_dma_region_create(struct ps3_dma_region *r);
135 int ps3_dma_region_free(struct ps3_dma_region *r);
136 int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
137 	unsigned long len, dma_addr_t *bus_addr,
138 	u64 iopte_pp);
139 int ps3_dma_unmap(struct ps3_dma_region *r, dma_addr_t bus_addr,
140 	unsigned long len);
141 
142 /* mmio routines */
143 
144 enum ps3_mmio_page_size {
145 	PS3_MMIO_4K = 12U,
146 	PS3_MMIO_64K = 16U
147 };
148 
149 struct ps3_mmio_region_ops;
150 /**
151  * struct ps3_mmio_region - a per device mmio state variables structure
152  *
153  * Current systems can be supported with a single region per device.
154  */
155 
156 struct ps3_mmio_region {
157 	struct ps3_system_bus_device *dev;
158 	const struct ps3_mmio_region_ops *mmio_ops;
159 	unsigned long bus_addr;
160 	unsigned long len;
161 	enum ps3_mmio_page_size page_size;
162 	unsigned long lpar_addr;
163 };
164 
165 struct ps3_mmio_region_ops {
166 	int (*create)(struct ps3_mmio_region *);
167 	int (*free)(struct ps3_mmio_region *);
168 };
169 /**
170  * struct ps3_mmio_region_init - Helper to initialize structure variables
171  *
172  * Helper to properly initialize variables prior to calling
173  * ps3_system_bus_device_register.
174  */
175 
176 int ps3_mmio_region_init(struct ps3_system_bus_device *dev,
177 	struct ps3_mmio_region *r, unsigned long bus_addr, unsigned long len,
178 	enum ps3_mmio_page_size page_size);
179 int ps3_mmio_region_create(struct ps3_mmio_region *r);
180 int ps3_free_mmio_region(struct ps3_mmio_region *r);
181 unsigned long ps3_mm_phys_to_lpar(unsigned long phys_addr);
182 
183 /* inrerrupt routines */
184 
185 enum ps3_cpu_binding {
186 	PS3_BINDING_CPU_ANY = -1,
187 	PS3_BINDING_CPU_0 = 0,
188 	PS3_BINDING_CPU_1 = 1,
189 };
190 
191 int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
192 	unsigned int *virq);
193 int ps3_irq_plug_destroy(unsigned int virq);
194 int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq);
195 int ps3_event_receive_port_destroy(unsigned int virq);
196 int ps3_send_event_locally(unsigned int virq);
197 
198 int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id,
199 	unsigned int *virq);
200 int ps3_io_irq_destroy(unsigned int virq);
201 int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp,
202 	unsigned int *virq);
203 int ps3_vuart_irq_destroy(unsigned int virq);
204 int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id,
205 	unsigned int class, unsigned int *virq);
206 int ps3_spe_irq_destroy(unsigned int virq);
207 
208 int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev,
209 	enum ps3_cpu_binding cpu, unsigned int *virq);
210 int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev,
211 	unsigned int virq);
212 
213 /* lv1 result codes */
214 
215 enum lv1_result {
216 	LV1_SUCCESS                     = 0,
217 	/* not used                       -1 */
218 	LV1_RESOURCE_SHORTAGE           = -2,
219 	LV1_NO_PRIVILEGE                = -3,
220 	LV1_DENIED_BY_POLICY            = -4,
221 	LV1_ACCESS_VIOLATION            = -5,
222 	LV1_NO_ENTRY                    = -6,
223 	LV1_DUPLICATE_ENTRY             = -7,
224 	LV1_TYPE_MISMATCH               = -8,
225 	LV1_BUSY                        = -9,
226 	LV1_EMPTY                       = -10,
227 	LV1_WRONG_STATE                 = -11,
228 	/* not used                       -12 */
229 	LV1_NO_MATCH                    = -13,
230 	LV1_ALREADY_CONNECTED           = -14,
231 	LV1_UNSUPPORTED_PARAMETER_VALUE = -15,
232 	LV1_CONDITION_NOT_SATISFIED     = -16,
233 	LV1_ILLEGAL_PARAMETER_VALUE     = -17,
234 	LV1_BAD_OPTION                  = -18,
235 	LV1_IMPLEMENTATION_LIMITATION   = -19,
236 	LV1_NOT_IMPLEMENTED             = -20,
237 	LV1_INVALID_CLASS_ID            = -21,
238 	LV1_CONSTRAINT_NOT_SATISFIED    = -22,
239 	LV1_ALIGNMENT_ERROR             = -23,
240 	LV1_HARDWARE_ERROR              = -24,
241 	LV1_INVALID_DATA_FORMAT         = -25,
242 	LV1_INVALID_OPERATION           = -26,
243 	LV1_INTERNAL_ERROR              = -32768,
244 };
245 
ps3_result(int result)246 static inline const char* ps3_result(int result)
247 {
248 #if defined(DEBUG)
249 	switch (result) {
250 	case LV1_SUCCESS:
251 		return "LV1_SUCCESS (0)";
252 	case -1:
253 		return "** unknown result ** (-1)";
254 	case LV1_RESOURCE_SHORTAGE:
255 		return "LV1_RESOURCE_SHORTAGE (-2)";
256 	case LV1_NO_PRIVILEGE:
257 		return "LV1_NO_PRIVILEGE (-3)";
258 	case LV1_DENIED_BY_POLICY:
259 		return "LV1_DENIED_BY_POLICY (-4)";
260 	case LV1_ACCESS_VIOLATION:
261 		return "LV1_ACCESS_VIOLATION (-5)";
262 	case LV1_NO_ENTRY:
263 		return "LV1_NO_ENTRY (-6)";
264 	case LV1_DUPLICATE_ENTRY:
265 		return "LV1_DUPLICATE_ENTRY (-7)";
266 	case LV1_TYPE_MISMATCH:
267 		return "LV1_TYPE_MISMATCH (-8)";
268 	case LV1_BUSY:
269 		return "LV1_BUSY (-9)";
270 	case LV1_EMPTY:
271 		return "LV1_EMPTY (-10)";
272 	case LV1_WRONG_STATE:
273 		return "LV1_WRONG_STATE (-11)";
274 	case -12:
275 		return "** unknown result ** (-12)";
276 	case LV1_NO_MATCH:
277 		return "LV1_NO_MATCH (-13)";
278 	case LV1_ALREADY_CONNECTED:
279 		return "LV1_ALREADY_CONNECTED (-14)";
280 	case LV1_UNSUPPORTED_PARAMETER_VALUE:
281 		return "LV1_UNSUPPORTED_PARAMETER_VALUE (-15)";
282 	case LV1_CONDITION_NOT_SATISFIED:
283 		return "LV1_CONDITION_NOT_SATISFIED (-16)";
284 	case LV1_ILLEGAL_PARAMETER_VALUE:
285 		return "LV1_ILLEGAL_PARAMETER_VALUE (-17)";
286 	case LV1_BAD_OPTION:
287 		return "LV1_BAD_OPTION (-18)";
288 	case LV1_IMPLEMENTATION_LIMITATION:
289 		return "LV1_IMPLEMENTATION_LIMITATION (-19)";
290 	case LV1_NOT_IMPLEMENTED:
291 		return "LV1_NOT_IMPLEMENTED (-20)";
292 	case LV1_INVALID_CLASS_ID:
293 		return "LV1_INVALID_CLASS_ID (-21)";
294 	case LV1_CONSTRAINT_NOT_SATISFIED:
295 		return "LV1_CONSTRAINT_NOT_SATISFIED (-22)";
296 	case LV1_ALIGNMENT_ERROR:
297 		return "LV1_ALIGNMENT_ERROR (-23)";
298 	case LV1_HARDWARE_ERROR:
299 		return "LV1_HARDWARE_ERROR (-24)";
300 	case LV1_INVALID_DATA_FORMAT:
301 		return "LV1_INVALID_DATA_FORMAT (-25)";
302 	case LV1_INVALID_OPERATION:
303 		return "LV1_INVALID_OPERATION (-26)";
304 	case LV1_INTERNAL_ERROR:
305 		return "LV1_INTERNAL_ERROR (-32768)";
306 	default:
307 		BUG();
308 		return "** unknown result **";
309 	};
310 #else
311 	return "";
312 #endif
313 }
314 
315 /* system bus routines */
316 
317 enum ps3_match_id {
318 	PS3_MATCH_ID_EHCI		= 1,
319 	PS3_MATCH_ID_OHCI		= 2,
320 	PS3_MATCH_ID_GELIC		= 3,
321 	PS3_MATCH_ID_AV_SETTINGS	= 4,
322 	PS3_MATCH_ID_SYSTEM_MANAGER	= 5,
323 	PS3_MATCH_ID_STOR_DISK		= 6,
324 	PS3_MATCH_ID_STOR_ROM		= 7,
325 	PS3_MATCH_ID_STOR_FLASH		= 8,
326 	PS3_MATCH_ID_SOUND		= 9,
327 	PS3_MATCH_ID_GPU		= 10,
328 	PS3_MATCH_ID_LPM		= 11,
329 };
330 
331 enum ps3_match_sub_id {
332 	PS3_MATCH_SUB_ID_GPU_FB		= 1,
333 	PS3_MATCH_SUB_ID_GPU_RAMDISK	= 2,
334 };
335 
336 #define PS3_MODULE_ALIAS_EHCI		"ps3:1:0"
337 #define PS3_MODULE_ALIAS_OHCI		"ps3:2:0"
338 #define PS3_MODULE_ALIAS_GELIC		"ps3:3:0"
339 #define PS3_MODULE_ALIAS_AV_SETTINGS	"ps3:4:0"
340 #define PS3_MODULE_ALIAS_SYSTEM_MANAGER	"ps3:5:0"
341 #define PS3_MODULE_ALIAS_STOR_DISK	"ps3:6:0"
342 #define PS3_MODULE_ALIAS_STOR_ROM	"ps3:7:0"
343 #define PS3_MODULE_ALIAS_STOR_FLASH	"ps3:8:0"
344 #define PS3_MODULE_ALIAS_SOUND		"ps3:9:0"
345 #define PS3_MODULE_ALIAS_GPU_FB		"ps3:10:1"
346 #define PS3_MODULE_ALIAS_GPU_RAMDISK	"ps3:10:2"
347 #define PS3_MODULE_ALIAS_LPM		"ps3:11:0"
348 
349 enum ps3_system_bus_device_type {
350 	PS3_DEVICE_TYPE_IOC0 = 1,
351 	PS3_DEVICE_TYPE_SB,
352 	PS3_DEVICE_TYPE_VUART,
353 	PS3_DEVICE_TYPE_LPM,
354 };
355 
356 /**
357  * struct ps3_system_bus_device - a device on the system bus
358  */
359 
360 struct ps3_system_bus_device {
361 	enum ps3_match_id match_id;
362 	enum ps3_match_sub_id match_sub_id;
363 	enum ps3_system_bus_device_type dev_type;
364 
365 	u64 bus_id;                       /* SB */
366 	u64 dev_id;                       /* SB */
367 	unsigned int interrupt_id;        /* SB */
368 	struct ps3_dma_region *d_region;  /* SB, IOC0 */
369 	struct ps3_mmio_region *m_region; /* SB, IOC0*/
370 	unsigned int port_number;         /* VUART */
371 	struct {                          /* LPM */
372 		u64 node_id;
373 		u64 pu_id;
374 		u64 rights;
375 	} lpm;
376 
377 /*	struct iommu_table *iommu_table; -- waiting for BenH's cleanups */
378 	struct device core;
379 	void *driver_priv; /* private driver variables */
380 };
381 
382 int ps3_open_hv_device(struct ps3_system_bus_device *dev);
383 int ps3_close_hv_device(struct ps3_system_bus_device *dev);
384 
385 /**
386  * struct ps3_system_bus_driver - a driver for a device on the system bus
387  */
388 
389 struct ps3_system_bus_driver {
390 	enum ps3_match_id match_id;
391 	enum ps3_match_sub_id match_sub_id;
392 	struct device_driver core;
393 	int (*probe)(struct ps3_system_bus_device *);
394 	int (*remove)(struct ps3_system_bus_device *);
395 	int (*shutdown)(struct ps3_system_bus_device *);
396 /*	int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
397 /*	int (*resume)(struct ps3_system_bus_device *); */
398 };
399 
400 int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
401 int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
402 void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);
403 
ps3_drv_to_system_bus_drv(struct device_driver * _drv)404 static inline struct ps3_system_bus_driver *ps3_drv_to_system_bus_drv(
405 	struct device_driver *_drv)
406 {
407 	return container_of(_drv, struct ps3_system_bus_driver, core);
408 }
ps3_dev_to_system_bus_dev(struct device * _dev)409 static inline struct ps3_system_bus_device *ps3_dev_to_system_bus_dev(
410 	struct device *_dev)
411 {
412 	return container_of(_dev, struct ps3_system_bus_device, core);
413 }
414 static inline struct ps3_system_bus_driver *
ps3_system_bus_dev_to_system_bus_drv(struct ps3_system_bus_device * _dev)415 	ps3_system_bus_dev_to_system_bus_drv(struct ps3_system_bus_device *_dev)
416 {
417 	BUG_ON(!_dev);
418 	BUG_ON(!_dev->core.driver);
419 	return ps3_drv_to_system_bus_drv(_dev->core.driver);
420 }
421 
422 /**
423  * ps3_system_bus_set_drvdata -
424  * @dev: device structure
425  * @data: Data to set
426  */
427 
ps3_system_bus_set_drvdata(struct ps3_system_bus_device * dev,void * data)428 static inline void ps3_system_bus_set_drvdata(
429 	struct ps3_system_bus_device *dev, void *data)
430 {
431 	dev_set_drvdata(&dev->core, data);
432 }
ps3_system_bus_get_drvdata(struct ps3_system_bus_device * dev)433 static inline void *ps3_system_bus_get_drvdata(
434 	struct ps3_system_bus_device *dev)
435 {
436 	return dev_get_drvdata(&dev->core);
437 }
438 
439 /* These two need global scope for get_dma_ops(). */
440 
441 extern struct bus_type ps3_system_bus_type;
442 
443 /* system manager */
444 
445 struct ps3_sys_manager_ops {
446 	struct ps3_system_bus_device *dev;
447 	void (*power_off)(struct ps3_system_bus_device *dev);
448 	void (*restart)(struct ps3_system_bus_device *dev);
449 };
450 
451 void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops);
452 void __noreturn ps3_sys_manager_power_off(void);
453 void __noreturn ps3_sys_manager_restart(void);
454 void __noreturn ps3_sys_manager_halt(void);
455 int ps3_sys_manager_get_wol(void);
456 void ps3_sys_manager_set_wol(int state);
457 
458 struct ps3_prealloc {
459     const char *name;
460     void *address;
461     unsigned long size;
462     unsigned long align;
463 };
464 
465 extern struct ps3_prealloc ps3fb_videomemory;
466 extern struct ps3_prealloc ps3flash_bounce_buffer;
467 
468 /* logical performance monitor */
469 
470 /**
471  * enum ps3_lpm_rights - Rigths granted by the system policy module.
472  *
473  * @PS3_LPM_RIGHTS_USE_LPM: The right to use the lpm.
474  * @PS3_LPM_RIGHTS_USE_TB: The right to use the internal trace buffer.
475  */
476 
477 enum ps3_lpm_rights {
478 	PS3_LPM_RIGHTS_USE_LPM = 0x001,
479 	PS3_LPM_RIGHTS_USE_TB = 0x100,
480 };
481 
482 /**
483  * enum ps3_lpm_tb_type - Type of trace buffer lv1 should use.
484  *
485  * @PS3_LPM_TB_TYPE_NONE: Do not use a trace buffer.
486  * @PS3_LPM_RIGHTS_USE_TB: Use the lv1 internal trace buffer.  Must have
487  *  rights @PS3_LPM_RIGHTS_USE_TB.
488  */
489 
490 enum ps3_lpm_tb_type {
491 	PS3_LPM_TB_TYPE_NONE = 0,
492 	PS3_LPM_TB_TYPE_INTERNAL = 1,
493 };
494 
495 int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
496 	u64 tb_cache_size);
497 int ps3_lpm_close(void);
498 int ps3_lpm_copy_tb(unsigned long offset, void *buf, unsigned long count,
499 	unsigned long *bytes_copied);
500 int ps3_lpm_copy_tb_to_user(unsigned long offset, void __user *buf,
501 	unsigned long count, unsigned long *bytes_copied);
502 void ps3_set_bookmark(u64 bookmark);
503 void ps3_set_pm_bookmark(u64 tag, u64 incident, u64 th_id);
504 int ps3_set_signal(u64 rtas_signal_group, u8 signal_bit, u16 sub_unit,
505 	u8 bus_word);
506 
507 u32 ps3_read_phys_ctr(u32 cpu, u32 phys_ctr);
508 void ps3_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
509 u32 ps3_read_ctr(u32 cpu, u32 ctr);
510 void ps3_write_ctr(u32 cpu, u32 ctr, u32 val);
511 
512 u32 ps3_read_pm07_control(u32 cpu, u32 ctr);
513 void ps3_write_pm07_control(u32 cpu, u32 ctr, u32 val);
514 u32 ps3_read_pm(u32 cpu, enum pm_reg_name reg);
515 void ps3_write_pm(u32 cpu, enum pm_reg_name reg, u32 val);
516 
517 u32 ps3_get_ctr_size(u32 cpu, u32 phys_ctr);
518 void ps3_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);
519 
520 void ps3_enable_pm(u32 cpu);
521 void ps3_disable_pm(u32 cpu);
522 void ps3_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask);
523 void ps3_disable_pm_interrupts(u32 cpu);
524 
525 u32 ps3_get_and_clear_pm_interrupts(u32 cpu);
526 void ps3_sync_irq(int node);
527 u32 ps3_get_hw_thread_id(int cpu);
528 u64 ps3_get_spe_id(void *arg);
529 
530 #endif
531