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_ */ 465