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_POWER_ID_EMMC 0x00000000 62 #define BCM2835_MBOX_POWER_ID_UART0 0x00000001 63 #define BCM2835_MBOX_POWER_ID_UART1 0x00000002 64 #define BCM2835_MBOX_POWER_ID_USB_HCD 0x00000003 65 #define BCM2835_MBOX_POWER_ID_I2C0 0x00000004 66 #define BCM2835_MBOX_POWER_ID_I2C1 0x00000005 67 #define BCM2835_MBOX_POWER_ID_I2C2 0x00000006 68 #define BCM2835_MBOX_POWER_ID_SPI 0x00000007 69 #define BCM2835_MBOX_POWER_ID_CCP2TX 0x00000008 70 71 #define BCM2835_MBOX_POWER_ON (1 << 0) 72 #define BCM2835_MBOX_POWER_WAIT (1 << 1) 73 74 #define BCM2835_MBOX_TAG_GET_POWER_STATE 0x00020001 75 #define BCM2835_MBOX_TAG_SET_POWER_STATE 0x00028001 76 77 struct msg_get_power_state { 78 struct bcm2835_mbox_hdr hdr; 79 struct bcm2835_mbox_tag_hdr tag_hdr; 80 union { 81 struct { 82 uint32_t device_id; 83 } req; 84 struct { 85 uint32_t device_id; 86 uint32_t state; 87 } resp; 88 } body; 89 uint32_t end_tag; 90 }; 91 92 struct msg_set_power_state { 93 struct bcm2835_mbox_hdr hdr; 94 struct bcm2835_mbox_tag_hdr tag_hdr; 95 union { 96 struct { 97 uint32_t device_id; 98 uint32_t state; 99 } req; 100 struct { 101 uint32_t device_id; 102 uint32_t state; 103 } resp; 104 } body; 105 uint32_t end_tag; 106 }; 107 108 /* Sets the power state for a given device */ 109 int bcm2835_mbox_set_power_state(uint32_t, boolean_t); 110 111 #define BCM2835_MBOX_CLOCK_ID_EMMC 0x00000001 112 #define BCM2835_MBOX_CLOCK_ID_UART 0x00000002 113 #define BCM2835_MBOX_CLOCK_ID_ARM 0x00000003 114 #define BCM2835_MBOX_CLOCK_ID_CORE 0x00000004 115 #define BCM2835_MBOX_CLOCK_ID_V3D 0x00000005 116 #define BCM2835_MBOX_CLOCK_ID_H264 0x00000006 117 #define BCM2835_MBOX_CLOCK_ID_ISP 0x00000007 118 #define BCM2835_MBOX_CLOCK_ID_SDRAM 0x00000008 119 #define BCM2835_MBOX_CLOCK_ID_PIXEL 0x00000009 120 #define BCM2835_MBOX_CLOCK_ID_PWM 0x0000000a 121 122 #define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002 123 #define BCM2835_MBOX_TAG_SET_CLOCK_RATE 0x00038002 124 #define BCM2835_MBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004 125 #define BCM2835_MBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007 126 127 struct msg_get_clock_rate { 128 struct bcm2835_mbox_hdr hdr; 129 struct bcm2835_mbox_tag_hdr tag_hdr; 130 union { 131 struct { 132 uint32_t clock_id; 133 } req; 134 struct { 135 uint32_t clock_id; 136 uint32_t rate_hz; 137 } resp; 138 } body; 139 uint32_t end_tag; 140 }; 141 142 struct msg_set_clock_rate { 143 struct bcm2835_mbox_hdr hdr; 144 struct bcm2835_mbox_tag_hdr tag_hdr; 145 union { 146 struct { 147 uint32_t clock_id; 148 uint32_t rate_hz; 149 } req; 150 struct { 151 uint32_t clock_id; 152 uint32_t rate_hz; 153 } resp; 154 } body; 155 uint32_t end_tag; 156 }; 157 158 struct msg_get_max_clock_rate { 159 struct bcm2835_mbox_hdr hdr; 160 struct bcm2835_mbox_tag_hdr tag_hdr; 161 union { 162 struct { 163 uint32_t clock_id; 164 } req; 165 struct { 166 uint32_t clock_id; 167 uint32_t rate_hz; 168 } resp; 169 } body; 170 uint32_t end_tag; 171 }; 172 173 struct msg_get_min_clock_rate { 174 struct bcm2835_mbox_hdr hdr; 175 struct bcm2835_mbox_tag_hdr tag_hdr; 176 union { 177 struct { 178 uint32_t clock_id; 179 } req; 180 struct { 181 uint32_t clock_id; 182 uint32_t rate_hz; 183 } resp; 184 } body; 185 uint32_t end_tag; 186 }; 187 188 int bcm2835_mbox_get_clock_rate(uint32_t, uint32_t *); 189 190 #define BCM2835_MBOX_TURBO_ON 1 191 #define BCM2835_MBOX_TURBO_OFF 0 192 193 #define BCM2835_MBOX_TAG_GET_TURBO 0x00030009 194 #define BCM2835_MBOX_TAG_SET_TURBO 0x00038009 195 196 struct msg_get_turbo { 197 struct bcm2835_mbox_hdr hdr; 198 struct bcm2835_mbox_tag_hdr tag_hdr; 199 union { 200 struct { 201 uint32_t id; 202 } req; 203 struct { 204 uint32_t id; 205 uint32_t level; 206 } resp; 207 } body; 208 uint32_t end_tag; 209 }; 210 211 struct msg_set_turbo { 212 struct bcm2835_mbox_hdr hdr; 213 struct bcm2835_mbox_tag_hdr tag_hdr; 214 union { 215 struct { 216 uint32_t id; 217 uint32_t level; 218 } req; 219 struct { 220 uint32_t id; 221 uint32_t level; 222 } resp; 223 } body; 224 uint32_t end_tag; 225 }; 226 227 #define BCM2835_MBOX_VOLTAGE_ID_CORE 0x00000001 228 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_C 0x00000002 229 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_P 0x00000003 230 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_I 0x00000004 231 232 #define BCM2835_MBOX_TAG_GET_VOLTAGE 0x00030003 233 #define BCM2835_MBOX_TAG_SET_VOLTAGE 0x00038003 234 #define BCM2835_MBOX_TAG_GET_MAX_VOLTAGE 0x00030005 235 #define BCM2835_MBOX_TAG_GET_MIN_VOLTAGE 0x00030008 236 237 struct msg_get_voltage { 238 struct bcm2835_mbox_hdr hdr; 239 struct bcm2835_mbox_tag_hdr tag_hdr; 240 union { 241 struct { 242 uint32_t voltage_id; 243 } req; 244 struct { 245 uint32_t voltage_id; 246 uint32_t value; 247 } resp; 248 } body; 249 uint32_t end_tag; 250 }; 251 252 struct msg_set_voltage { 253 struct bcm2835_mbox_hdr hdr; 254 struct bcm2835_mbox_tag_hdr tag_hdr; 255 union { 256 struct { 257 uint32_t voltage_id; 258 uint32_t value; 259 } req; 260 struct { 261 uint32_t voltage_id; 262 uint32_t value; 263 } resp; 264 } body; 265 uint32_t end_tag; 266 }; 267 268 struct msg_get_max_voltage { 269 struct bcm2835_mbox_hdr hdr; 270 struct bcm2835_mbox_tag_hdr tag_hdr; 271 union { 272 struct { 273 uint32_t voltage_id; 274 } req; 275 struct { 276 uint32_t voltage_id; 277 uint32_t value; 278 } resp; 279 } body; 280 uint32_t end_tag; 281 }; 282 283 struct msg_get_min_voltage { 284 struct bcm2835_mbox_hdr hdr; 285 struct bcm2835_mbox_tag_hdr tag_hdr; 286 union { 287 struct { 288 uint32_t voltage_id; 289 } req; 290 struct { 291 uint32_t voltage_id; 292 uint32_t value; 293 } resp; 294 } body; 295 uint32_t end_tag; 296 }; 297 298 #define BCM2835_MBOX_TAG_GET_TEMPERATURE 0x00030006 299 #define BCM2835_MBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a 300 301 struct msg_get_temperature { 302 struct bcm2835_mbox_hdr hdr; 303 struct bcm2835_mbox_tag_hdr tag_hdr; 304 union { 305 struct { 306 uint32_t temperature_id; 307 } req; 308 struct { 309 uint32_t temperature_id; 310 uint32_t value; 311 } resp; 312 } body; 313 uint32_t end_tag; 314 }; 315 316 struct msg_get_max_temperature { 317 struct bcm2835_mbox_hdr hdr; 318 struct bcm2835_mbox_tag_hdr tag_hdr; 319 union { 320 struct { 321 uint32_t temperature_id; 322 } req; 323 struct { 324 uint32_t temperature_id; 325 uint32_t value; 326 } resp; 327 } body; 328 uint32_t end_tag; 329 }; 330 331 #define BCM2835_MBOX_TAG_GET_PHYSICAL_W_H 0x00040003 332 #define BCM2835_MBOX_TAG_SET_PHYSICAL_W_H 0x00048003 333 #define BCM2835_MBOX_TAG_GET_VIRTUAL_W_H 0x00040004 334 #define BCM2835_MBOX_TAG_SET_VIRTUAL_W_H 0x00048004 335 336 struct bcm2835_mbox_tag_fb_w_h { 337 struct bcm2835_mbox_tag_hdr tag_hdr; 338 union { 339 struct { 340 uint32_t width; 341 uint32_t height; 342 } req; 343 struct { 344 uint32_t width; 345 uint32_t height; 346 } resp; 347 } body; 348 }; 349 350 #define BCM2835_MBOX_TAG_GET_DEPTH 0x00040005 351 #define BCM2835_MBOX_TAG_SET_DEPTH 0x00048005 352 353 struct bcm2835_mbox_tag_depth { 354 struct bcm2835_mbox_tag_hdr tag_hdr; 355 union { 356 struct { 357 uint32_t bpp; 358 } req; 359 struct { 360 uint32_t bpp; 361 } resp; 362 } body; 363 }; 364 365 #define BCM2835_MBOX_TAG_GET_ALPHA_MODE 0x00040007 366 #define BCM2835_MBOX_TAG_SET_ALPHA_MODE 0x00048007 367 368 #define BCM2835_MBOX_ALPHA_MODE_0_OPAQUE 0 369 #define BCM2835_MBOX_ALPHA_MODE_0_TRANSPARENT 1 370 #define BCM2835_MBOX_ALPHA_MODE_IGNORED 2 371 372 struct bcm2835_mbox_tag_alpha_mode { 373 struct bcm2835_mbox_tag_hdr tag_hdr; 374 union { 375 struct { 376 uint32_t alpha; 377 } req; 378 struct { 379 uint32_t alpha; 380 } resp; 381 } body; 382 }; 383 384 #define BCM2835_MBOX_TAG_GET_VIRTUAL_OFFSET 0x00040009 385 #define BCM2835_MBOX_TAG_SET_VIRTUAL_OFFSET 0x00048009 386 387 struct bcm2835_mbox_tag_virtual_offset { 388 struct bcm2835_mbox_tag_hdr tag_hdr; 389 union { 390 struct { 391 uint32_t x; 392 uint32_t y; 393 } req; 394 struct { 395 uint32_t x; 396 uint32_t y; 397 } resp; 398 } body; 399 }; 400 401 #define BCM2835_MBOX_TAG_GET_PITCH 0x00040008 402 403 struct bcm2835_mbox_tag_pitch { 404 struct bcm2835_mbox_tag_hdr tag_hdr; 405 union { 406 struct { 407 } req; 408 struct { 409 uint32_t pitch; 410 } resp; 411 } body; 412 }; 413 414 #define BCM2835_MBOX_TAG_ALLOCATE_BUFFER 0x00040001 415 416 struct bcm2835_mbox_tag_allocate_buffer { 417 struct bcm2835_mbox_tag_hdr tag_hdr; 418 union { 419 struct { 420 uint32_t alignment; 421 } req; 422 struct { 423 uint32_t fb_address; 424 uint32_t fb_size; 425 } resp; 426 } body; 427 }; 428 429 #define BCM2835_MBOX_TAG_RELEASE_BUFFER 0x00048001 430 431 struct bcm2835_mbox_tag_release_buffer { 432 struct bcm2835_mbox_tag_hdr tag_hdr; 433 union { 434 struct { 435 } req; 436 struct { 437 } resp; 438 } body; 439 }; 440 441 #define BCM2835_MBOX_TAG_GET_TOUCHBUF 0x0004000f 442 443 struct bcm2835_mbox_tag_touchbuf { 444 struct bcm2835_mbox_hdr hdr; 445 struct bcm2835_mbox_tag_hdr tag_hdr; 446 union { 447 struct { 448 } req; 449 struct { 450 uint32_t address; 451 } resp; 452 } body; 453 uint32_t end_tag; 454 }; 455 456 struct bcm2835_fb_config { 457 uint32_t xres; 458 uint32_t yres; 459 uint32_t vxres; 460 uint32_t vyres; 461 uint32_t xoffset; 462 uint32_t yoffset; 463 uint32_t bpp; 464 uint32_t pitch; 465 uint32_t base; 466 uint32_t size; 467 }; 468 469 struct msg_fb_get_w_h { 470 struct bcm2835_mbox_hdr hdr; 471 struct bcm2835_mbox_tag_fb_w_h physical_w_h; 472 struct bcm2835_mbox_tag_fb_w_h virtual_w_h; 473 struct bcm2835_mbox_tag_virtual_offset offset; 474 uint32_t end_tag; 475 }; 476 477 int bcm2835_mbox_fb_get_w_h(struct bcm2835_fb_config *); 478 479 struct msg_fb_setup { 480 struct bcm2835_mbox_hdr hdr; 481 struct bcm2835_mbox_tag_fb_w_h physical_w_h; 482 struct bcm2835_mbox_tag_fb_w_h virtual_w_h; 483 struct bcm2835_mbox_tag_virtual_offset offset; 484 struct bcm2835_mbox_tag_depth depth; 485 struct bcm2835_mbox_tag_alpha_mode alpha; 486 struct bcm2835_mbox_tag_allocate_buffer buffer; 487 struct bcm2835_mbox_tag_pitch pitch; 488 uint32_t end_tag; 489 }; 490 491 int bcm2835_mbox_fb_init(struct bcm2835_fb_config *); 492 493 int bcm2835_mbox_property(void *, size_t); 494 495 #endif /* _BCM2835_MBOX_PROP_H_ */ 496