1 /*-
2 * Copyright (C) 2013-2014 Daisuke Aoyama <aoyama@peach.ne.jp>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29 #ifndef _BCM2835_MBOX_PROP_H_
30 #define _BCM2835_MBOX_PROP_H_
31
32 #include <sys/cdefs.h>
33 #include <sys/types.h>
34
35 /*
36 * Mailbox property interface:
37 * https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
38 */
39 #define BCM2835_MBOX_CODE_REQ 0
40 #define BCM2835_MBOX_CODE_RESP_SUCCESS 0x80000000
41 #define BCM2835_MBOX_CODE_RESP_ERROR 0x80000001
42 #define BCM2835_MBOX_TAG_VAL_LEN_RESPONSE 0x80000000
43
44 struct bcm2835_mbox_hdr {
45 uint32_t buf_size;
46 uint32_t code;
47 };
48
49 struct bcm2835_mbox_tag_hdr {
50 uint32_t tag;
51 uint32_t val_buf_size;
52 uint32_t val_len;
53 };
54
55 #define BCM2835_MBOX_INIT_TAG(tag_, tagid_) do { \
56 (tag_)->tag_hdr.tag = BCM2835_MBOX_TAG_##tagid_; \
57 (tag_)->tag_hdr.val_buf_size = sizeof((tag_)->body); \
58 (tag_)->tag_hdr.val_len = sizeof((tag_)->body.req); \
59 } while (0)
60
61 #define BCM2835_MBOX_TAG_FIRMWARE_REVISION 0x00000001
62
63 #define BCM2835_MBOX_POWER_ID_EMMC 0x00000000
64 #define BCM2835_MBOX_POWER_ID_UART0 0x00000001
65 #define BCM2835_MBOX_POWER_ID_UART1 0x00000002
66 #define BCM2835_MBOX_POWER_ID_USB_HCD 0x00000003
67 #define BCM2835_MBOX_POWER_ID_I2C0 0x00000004
68 #define BCM2835_MBOX_POWER_ID_I2C1 0x00000005
69 #define BCM2835_MBOX_POWER_ID_I2C2 0x00000006
70 #define BCM2835_MBOX_POWER_ID_SPI 0x00000007
71 #define BCM2835_MBOX_POWER_ID_CCP2TX 0x00000008
72
73 #define BCM2835_MBOX_POWER_ON (1 << 0)
74 #define BCM2835_MBOX_POWER_WAIT (1 << 1)
75
76 #define BCM2835_MBOX_TAG_GET_POWER_STATE 0x00020001
77 #define BCM2835_MBOX_TAG_SET_POWER_STATE 0x00028001
78
79 struct msg_get_power_state {
80 struct bcm2835_mbox_hdr hdr;
81 struct bcm2835_mbox_tag_hdr tag_hdr;
82 union {
83 struct {
84 uint32_t device_id;
85 } req;
86 struct {
87 uint32_t device_id;
88 uint32_t state;
89 } resp;
90 } body;
91 uint32_t end_tag;
92 };
93
94 struct msg_set_power_state {
95 struct bcm2835_mbox_hdr hdr;
96 struct bcm2835_mbox_tag_hdr tag_hdr;
97 union {
98 struct {
99 uint32_t device_id;
100 uint32_t state;
101 } req;
102 struct {
103 uint32_t device_id;
104 uint32_t state;
105 } resp;
106 } body;
107 uint32_t end_tag;
108 };
109
110 /* Sets the power state for a given device */
111 int bcm2835_mbox_set_power_state(uint32_t, boolean_t);
112
113 #define BCM2835_MBOX_TAG_NOTIFY_XHCI_RESET 0x00030058
114
115 struct msg_notify_xhci_reset {
116 struct bcm2835_mbox_hdr hdr;
117 struct bcm2835_mbox_tag_hdr tag_hdr;
118 union {
119 struct {
120 uint32_t pci_device_addr;
121 } req;
122 struct {
123 } resp;
124 } body;
125 uint32_t end_tag;
126 };
127
128 /* Prompts the VideoCore processor to reload the xhci firmware. */
129 int bcm2835_mbox_notify_xhci_reset(uint32_t);
130
131 #define BCM2835_MBOX_CLOCK_ID_EMMC 0x00000001
132 #define BCM2838_MBOX_CLOCK_ID_EMMC2 0x0000000c
133
134 #define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002
135
136 struct msg_get_clock_rate {
137 struct bcm2835_mbox_hdr hdr;
138 struct bcm2835_mbox_tag_hdr tag_hdr;
139 union {
140 struct {
141 uint32_t clock_id;
142 } req;
143 struct {
144 uint32_t clock_id;
145 uint32_t rate_hz;
146 } resp;
147 } body;
148 uint32_t end_tag;
149 };
150
151 int bcm2835_mbox_get_clock_rate(uint32_t, uint32_t *);
152
153 #define BCM2835_MBOX_TURBO_ON 1
154 #define BCM2835_MBOX_TURBO_OFF 0
155
156 #define BCM2835_MBOX_TAG_GET_TURBO 0x00030009
157 #define BCM2835_MBOX_TAG_SET_TURBO 0x00038009
158
159 struct msg_get_turbo {
160 struct bcm2835_mbox_hdr hdr;
161 struct bcm2835_mbox_tag_hdr tag_hdr;
162 union {
163 struct {
164 uint32_t id;
165 } req;
166 struct {
167 uint32_t id;
168 uint32_t level;
169 } resp;
170 } body;
171 uint32_t end_tag;
172 };
173
174 struct msg_set_turbo {
175 struct bcm2835_mbox_hdr hdr;
176 struct bcm2835_mbox_tag_hdr tag_hdr;
177 union {
178 struct {
179 uint32_t id;
180 uint32_t level;
181 } req;
182 struct {
183 uint32_t id;
184 uint32_t level;
185 } resp;
186 } body;
187 uint32_t end_tag;
188 };
189
190 #define BCM2835_MBOX_VOLTAGE_ID_CORE 0x00000001
191 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_C 0x00000002
192 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_P 0x00000003
193 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_I 0x00000004
194
195 #define BCM2835_MBOX_TAG_GET_VOLTAGE 0x00030003
196 #define BCM2835_MBOX_TAG_SET_VOLTAGE 0x00038003
197 #define BCM2835_MBOX_TAG_GET_MAX_VOLTAGE 0x00030005
198 #define BCM2835_MBOX_TAG_GET_MIN_VOLTAGE 0x00030008
199
200 struct msg_get_voltage {
201 struct bcm2835_mbox_hdr hdr;
202 struct bcm2835_mbox_tag_hdr tag_hdr;
203 union {
204 struct {
205 uint32_t voltage_id;
206 } req;
207 struct {
208 uint32_t voltage_id;
209 uint32_t value;
210 } resp;
211 } body;
212 uint32_t end_tag;
213 };
214
215 struct msg_set_voltage {
216 struct bcm2835_mbox_hdr hdr;
217 struct bcm2835_mbox_tag_hdr tag_hdr;
218 union {
219 struct {
220 uint32_t voltage_id;
221 uint32_t value;
222 } req;
223 struct {
224 uint32_t voltage_id;
225 uint32_t value;
226 } resp;
227 } body;
228 uint32_t end_tag;
229 };
230
231 struct msg_get_max_voltage {
232 struct bcm2835_mbox_hdr hdr;
233 struct bcm2835_mbox_tag_hdr tag_hdr;
234 union {
235 struct {
236 uint32_t voltage_id;
237 } req;
238 struct {
239 uint32_t voltage_id;
240 uint32_t value;
241 } resp;
242 } body;
243 uint32_t end_tag;
244 };
245
246 struct msg_get_min_voltage {
247 struct bcm2835_mbox_hdr hdr;
248 struct bcm2835_mbox_tag_hdr tag_hdr;
249 union {
250 struct {
251 uint32_t voltage_id;
252 } req;
253 struct {
254 uint32_t voltage_id;
255 uint32_t value;
256 } resp;
257 } body;
258 uint32_t end_tag;
259 };
260
261 #define BCM2835_MBOX_TAG_GET_TEMPERATURE 0x00030006
262 #define BCM2835_MBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a
263
264 struct msg_get_temperature {
265 struct bcm2835_mbox_hdr hdr;
266 struct bcm2835_mbox_tag_hdr tag_hdr;
267 union {
268 struct {
269 uint32_t temperature_id;
270 } req;
271 struct {
272 uint32_t temperature_id;
273 uint32_t value;
274 } resp;
275 } body;
276 uint32_t end_tag;
277 };
278
279 struct msg_get_max_temperature {
280 struct bcm2835_mbox_hdr hdr;
281 struct bcm2835_mbox_tag_hdr tag_hdr;
282 union {
283 struct {
284 uint32_t temperature_id;
285 } req;
286 struct {
287 uint32_t temperature_id;
288 uint32_t value;
289 } resp;
290 } body;
291 uint32_t end_tag;
292 };
293
294 #define BCM2835_MBOX_TAG_GET_PHYSICAL_W_H 0x00040003
295 #define BCM2835_MBOX_TAG_SET_PHYSICAL_W_H 0x00048003
296 #define BCM2835_MBOX_TAG_GET_VIRTUAL_W_H 0x00040004
297 #define BCM2835_MBOX_TAG_SET_VIRTUAL_W_H 0x00048004
298
299 struct bcm2835_mbox_tag_fb_w_h {
300 struct bcm2835_mbox_tag_hdr tag_hdr;
301 union {
302 struct {
303 uint32_t width;
304 uint32_t height;
305 } req;
306 struct {
307 uint32_t width;
308 uint32_t height;
309 } resp;
310 } body;
311 };
312
313 #define BCM2835_MBOX_TAG_GET_DEPTH 0x00040005
314 #define BCM2835_MBOX_TAG_SET_DEPTH 0x00048005
315
316 struct bcm2835_mbox_tag_depth {
317 struct bcm2835_mbox_tag_hdr tag_hdr;
318 union {
319 struct {
320 uint32_t bpp;
321 } req;
322 struct {
323 uint32_t bpp;
324 } resp;
325 } body;
326 };
327
328 #define BCM2835_MBOX_TAG_GET_ALPHA_MODE 0x00040007
329 #define BCM2835_MBOX_TAG_SET_ALPHA_MODE 0x00048007
330
331 #define BCM2835_MBOX_ALPHA_MODE_0_OPAQUE 0
332 #define BCM2835_MBOX_ALPHA_MODE_0_TRANSPARENT 1
333 #define BCM2835_MBOX_ALPHA_MODE_IGNORED 2
334
335 struct bcm2835_mbox_tag_alpha_mode {
336 struct bcm2835_mbox_tag_hdr tag_hdr;
337 union {
338 struct {
339 uint32_t alpha;
340 } req;
341 struct {
342 uint32_t alpha;
343 } resp;
344 } body;
345 };
346
347 #define BCM2835_MBOX_TAG_GET_VIRTUAL_OFFSET 0x00040009
348 #define BCM2835_MBOX_TAG_SET_VIRTUAL_OFFSET 0x00048009
349
350 struct bcm2835_mbox_tag_virtual_offset {
351 struct bcm2835_mbox_tag_hdr tag_hdr;
352 union {
353 struct {
354 uint32_t x;
355 uint32_t y;
356 } req;
357 struct {
358 uint32_t x;
359 uint32_t y;
360 } resp;
361 } body;
362 };
363
364 #define BCM2835_MBOX_TAG_GET_PITCH 0x00040008
365
366 struct bcm2835_mbox_tag_pitch {
367 struct bcm2835_mbox_tag_hdr tag_hdr;
368 union {
369 struct {
370 } req;
371 struct {
372 uint32_t pitch;
373 } resp;
374 } body;
375 };
376
377 #define BCM2835_MBOX_TAG_ALLOCATE_BUFFER 0x00040001
378
379 struct bcm2835_mbox_tag_allocate_buffer {
380 struct bcm2835_mbox_tag_hdr tag_hdr;
381 union {
382 struct {
383 uint32_t alignment;
384 } req;
385 struct {
386 uint32_t fb_address;
387 uint32_t fb_size;
388 } resp;
389 } body;
390 };
391
392 #define BCM2835_MBOX_TAG_RELEASE_BUFFER 0x00048001
393
394 struct bcm2835_mbox_tag_release_buffer {
395 struct bcm2835_mbox_tag_hdr tag_hdr;
396 union {
397 struct {
398 } req;
399 struct {
400 } resp;
401 } body;
402 };
403
404 #define BCM2835_MBOX_TAG_GET_TOUCHBUF 0x0004000f
405
406 struct bcm2835_mbox_tag_touchbuf {
407 struct bcm2835_mbox_hdr hdr;
408 struct bcm2835_mbox_tag_hdr tag_hdr;
409 union {
410 struct {
411 } req;
412 struct {
413 uint32_t address;
414 } resp;
415 } body;
416 uint32_t end_tag;
417 };
418
419 struct bcm2835_fb_config {
420 uint32_t xres;
421 uint32_t yres;
422 uint32_t vxres;
423 uint32_t vyres;
424 uint32_t xoffset;
425 uint32_t yoffset;
426 uint32_t bpp;
427 uint32_t pitch;
428 uint32_t base;
429 uint32_t size;
430 };
431
432 struct msg_fb_get_w_h {
433 struct bcm2835_mbox_hdr hdr;
434 struct bcm2835_mbox_tag_fb_w_h physical_w_h;
435 uint32_t end_tag;
436 };
437
438 int bcm2835_mbox_fb_get_w_h(struct bcm2835_fb_config *);
439
440 struct msg_fb_get_bpp {
441 struct bcm2835_mbox_hdr hdr;
442 struct bcm2835_mbox_tag_depth bpp;
443 uint32_t end_tag;
444 };
445
446 int bcm2835_mbox_fb_get_bpp(struct bcm2835_fb_config *);
447
448 struct msg_fb_setup {
449 struct bcm2835_mbox_hdr hdr;
450 struct bcm2835_mbox_tag_fb_w_h physical_w_h;
451 struct bcm2835_mbox_tag_fb_w_h virtual_w_h;
452 struct bcm2835_mbox_tag_virtual_offset offset;
453 struct bcm2835_mbox_tag_depth depth;
454 struct bcm2835_mbox_tag_alpha_mode alpha;
455 struct bcm2835_mbox_tag_allocate_buffer buffer;
456 struct bcm2835_mbox_tag_pitch pitch;
457 uint32_t end_tag;
458 };
459
460 int bcm2835_mbox_fb_init(struct bcm2835_fb_config *);
461
462 int bcm2835_mbox_property(void *, size_t);
463
464 #endif /* _BCM2835_MBOX_PROP_H_ */
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