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      1 /*	$NetBSD: vcprop.h,v 1.20 2021/03/08 13:53:08 mlelstv Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Nick Hudson
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Mailbox property interface
     34  */
     35 
     36 #ifndef	_EVBARM_RPI_VCPROP_H_
     37 #define	_EVBARM_RPI_VCPROP_H_
     38 
     39 #include "opt_vcprop.h"
     40 
     41 #include <sys/endian.h>
     42 
     43 struct vcprop_tag {
     44 	uint32_t vpt_tag;
     45 #define	VCPROPTAG_NULL			0x00000000
     46 #define	VCPROPTAG_GET_FIRMWAREREV	0x00000001
     47 #define	VCPROPTAG_GET_FIRMWAREVARIANT	0x00000002
     48 #define	VCPROPTAG_GET_FIRMWAREHASH	0x00000003
     49 #define	VCPROPTAG_GET_BOARDMODEL	0x00010001
     50 #define	VCPROPTAG_GET_BOARDREVISION	0x00010002
     51 #define	VCPROPTAG_GET_MACADDRESS	0x00010003
     52 #define	VCPROPTAG_GET_BOARDSERIAL	0x00010004
     53 #define	VCPROPTAG_GET_ARMMEMORY		0x00010005
     54 #define	VCPROPTAG_GET_VCMEMORY		0x00010006
     55 #define	VCPROPTAG_GET_CLOCKS		0x00010007
     56 
     57 #define VCPROPTAG_GET_POWERSTATE	0x00020001
     58 #define VCPROPTAG_GET_POWERTIMING	0x00020002
     59 #define VCPROPTAG_SET_POWERSTATE	0x00028001
     60 
     61 #define	VCPROPTAG_GET_CLOCKSTATE	0x00030001
     62 #define	VCPROPTAG_SET_CLOCKSTATE	0x00038001
     63 #define	VCPROPTAG_GET_CLOCKRATE		0x00030002
     64 #define	VCPROPTAG_SET_CLOCKRATE		0x00038002
     65 #define	VCPROPTAG_GET_MIN_CLOCKRATE	0x00030007
     66 #define	VCPROPTAG_GET_MAX_CLOCKRATE	0x00030004
     67 #define	VCPROPTAG_GET_TURBO		0x00030009
     68 #define	VCPROPTAG_SET_TURBO		0x00038009
     69 
     70 #define VCPROPTAG_GET_STC		0x0003000b
     71 #define	VCPROPTAG_GET_THROTTLED		0x00030046
     72 #define	VCPROPTAG_GET_CLOCK_MEASURED	0x00030047
     73 #define	VCPROPTAG_NOTIFY_REBOOT		0x00030048
     74 
     75 #define VCPROPTAG_GET_VOLTAGE		0x00030003
     76 #define VCPROPTAG_SET_VOLTAGE		0x00038003
     77 #define VCPROPTAG_GET_MIN_VOLTAGE	0x00030008
     78 #define VCPROPTAG_GET_MAX_VOLTAGE	0x00030005
     79 
     80 #define VCPROPTAG_GET_TEMPERATURE	0x00030006
     81 #define VCPROPTAG_GET_MAX_TEMPERATURE	0x0003000a
     82 
     83 #define VCPROPTAG_GET_DOMAIN_STATE	0x00030030
     84 #define VCPROPTAG_SET_DOMAIN_STATE	0x00038030
     85 
     86 #define VCPROPTAG_GET_GPIO_STATE	0x00030041
     87 #define VCPROPTAG_SET_GPIO_STATE	0x00038041
     88 #define VCPROPTAG_GET_GPIO_CONFIG	0x00030041
     89 #define VCPROPTAG_SET_GPIO_CONFIG	0x00038041
     90 #define VCPROPTAG_GET_PERIPH_REG	0x00030045
     91 #define VCPROPTAG_SET_PERIPH_REG	0x00038045
     92 
     93 #define VCPROPTAG_GET_OTP		0x00030021
     94 #define VCPROPTAG_SET_OTP		0x00038021
     95 
     96 #define VCPROPTAG_SET_SDHOST_CLOCK	0x00038042
     97 
     98 #define VCPROPTAG_GET_POE_HAT_VAL	0x00030049
     99 #define VCPROPTAG_SET_POE_HAT_VAL	0x00030050
    100 
    101 #define VCPROPTAG_NOTIFY_XHCI_RESET	0x00030058
    102 
    103 #define	VCPROPTAG_GET_CMDLINE		0x00050001
    104 #define	VCPROPTAG_GET_DMACHAN		0x00060001
    105 
    106 #define	VCPROPTAG_ALLOCATE_BUFFER	0x00040001
    107 #define	VCPROPTAG_RELEASE_BUFFER	0x00048001
    108 #define	VCPROPTAG_BLANK_SCREEN		0x00040002
    109 #define	VCPROPTAG_GET_FB_RES		0x00040003
    110 #define	VCPROPTAG_TST_FB_RES		0x00044003
    111 #define	VCPROPTAG_SET_FB_RES		0x00048003
    112 #define	VCPROPTAG_GET_FB_VRES		0x00040004
    113 #define	VCPROPTAG_TST_FB_VRES		0x00044004
    114 #define	VCPROPTAG_SET_FB_VRES		0x00048004
    115 #define	VCPROPTAG_GET_FB_DEPTH		0x00040005
    116 #define	VCPROPTAG_TST_FB_DEPTH		0x00044005
    117 #define	VCPROPTAG_SET_FB_DEPTH		0x00048005
    118 #define	VCPROPTAG_GET_FB_PIXEL_ORDER	0x00040006
    119 #define	VCPROPTAG_TST_FB_PIXEL_ORDER	0x00044006
    120 #define	VCPROPTAG_SET_FB_PIXEL_ORDER	0x00048006
    121 #define	VCPROPTAG_GET_FB_ALPHA_MODE	0x00040007
    122 #define	VCPROPTAG_TST_FB_ALPHA_MODE	0x00044007
    123 #define	VCPROPTAG_SET_FB_ALPHA_MODE	0x00048007
    124 #define	VCPROPTAG_GET_FB_PITCH		0x00040008
    125 #define	VCPROPTAG_GET_VIRTUAL_OFFSET	0x00040009
    126 #define	VCPROPTAG_TST_VIRTUAL_OFFSET	0x00044009
    127 #define	VCPROPTAG_SET_VIRTUAL_OFFSET	0x00048009
    128 #define	VCPROPTAG_GET_OVERSCAN		0x0004000a
    129 #define	VCPROPTAG_TST_OVERSCAN		0x0004400a
    130 #define	VCPROPTAG_SET_OVERSCAN		0x0004800a
    131 #define	VCPROPTAG_GET_PALETTE		0x0004000b
    132 #define	VCPROPTAG_TST_PALETTE		0x0004400b
    133 #define	VCPROPTAG_SET_PALETTE		0x0004800b
    134 #define	VCPROPTAG_GET_FB_LAYER		0x0004000c
    135 #define	VCPROPTAG_TST_FB_LAYER		0x0004400c
    136 #define	VCPROPTAG_SET_FB_LAYER		0x0004800c
    137 #define	VCPROPTAG_GET_TRANSFORM		0x0004000d
    138 #define	VCPROPTAG_TST_TRANSFORM		0x0004400d
    139 #define	VCPROPTAG_SET_TRANSFORM		0x0004800d
    140 #define	VCPROPTAG_GET_VSYNC		0x0004000e
    141 #define	VCPROPTAG_TST_VSYNC		0x0004400e
    142 #define	VCPROPTAG_SET_VSYNC		0x0004800e
    143 #define	VCPROPTAG_GET_TOUCHBUF		0x0004000f
    144 #define	VCPROPTAG_GET_SET_BACKLIGHT	0x0004800f
    145 #define	VCPROPTAG_GET_GPIOVIRTBUF	0x00040010
    146 #define	VCPROPTAG_SET_GPIOVIRTBUF	0x00048020
    147 #define	VCPROPTAG_GET_NUM_DISPLAYS	0x00040013
    148 #define	VCPROPTAG_SET_DISPLAYNUM	0x00048013
    149 #define	VCPROPTAG_GET_DISPLAY_SETTINGS	0x00040014
    150 #define	VCPROPTAG_GET_DISPLAYID		0x00040016
    151 
    152 #define	VCPROPTAG_VCHIQ_INIT		0x00048010
    153 
    154 #define	VCPROPTAG_SET_PLANE		0x00048015
    155 #define	VCPROPTAG_GET_TIMING		0x00040017
    156 #define	VCPROPTAG_SET_TIMING		0x00048017
    157 #define	VCPROPTAG_GET_DISPLAY_CFG	0x00048018
    158 
    159 #define	VCPROPTAG_GET_EDID_BLOCK	0x00030020
    160 #define	VCPROPTAG_GET_EDID_BLOCK_DISP	0x00030021
    161 
    162 #define	VCPROPTAG_ALLOCMEM		0x0003000c
    163 #define	VCPROPTAG_LOCKMEM		0x0003000d
    164 #define	VCPROPTAG_UNLOCKMEM		0x0003000e
    165 #define	VCPROPTAG_RELEASEMEM		0x0003000f
    166 #define	VCPROPTAG_EXECUTE_CODE		0x00030010
    167 #define	VCPROPTAG_EXECUTE_QPU		0x00030011
    168 #define	VCPROPTAG_SET_ENABLE_QPU	0x00030012
    169 #define	VCPROPTAG_GET_DISPMANX_HANDLE	0x00030014
    170 
    171 #define	VCPROPTAG_SET_CURSOR_INFO	0x00008010
    172 #define	VCPROPTAG_SET_CURSOR_STATE	0x00008011
    173 
    174 	uint32_t vpt_len;
    175 	uint32_t vpt_rcode;
    176 #define	VCPROPTAG_REQUEST	(0U << 31)
    177 #define	VCPROPTAG_RESPONSE	(1U << 31)
    178 
    179 };
    180 
    181 #define VCPROPTAG_LEN(x) (sizeof((x)) - sizeof(struct vcprop_tag))
    182 
    183 #define VCPROP_INIT_REQUEST(req)					\
    184 	do {								\
    185 		memset(&(req), 0, sizeof((req)));			\
    186 		(req).vb_hdr.vpb_len = htole32(sizeof((req)));		\
    187 		(req).vb_hdr.vpb_rcode = htole32(VCPROP_PROCESS_REQUEST);\
    188 		(req).end.vpt_tag = htole32(VCPROPTAG_NULL);			\
    189 	} while (0)
    190 #define VCPROP_INIT_TAG(s, t)						\
    191 	do {								\
    192 		(s).tag.vpt_tag = htole32(t);				\
    193 		(s).tag.vpt_rcode = htole32(VCPROPTAG_REQUEST);		\
    194 		(s).tag.vpt_len = htole32(VCPROPTAG_LEN(s));		\
    195 	} while (0)
    196 
    197 struct vcprop_memory {
    198 	uint32_t base;
    199 	uint32_t size;
    200 };
    201 
    202 #define	VCPROP_MAXMEMBLOCKS 4
    203 struct vcprop_tag_memory {
    204 	struct vcprop_tag tag;
    205 	struct vcprop_memory mem[VCPROP_MAXMEMBLOCKS];
    206 };
    207 
    208 struct vcprop_tag_fwrev {
    209 	struct vcprop_tag tag;
    210 	uint32_t rev;
    211 };
    212 
    213 struct vcprop_tag_boardmodel {
    214 	struct vcprop_tag tag;
    215 	uint32_t model;
    216 };
    217 
    218 struct vcprop_tag_boardrev {
    219 	struct vcprop_tag tag;
    220 	uint32_t rev;
    221 };
    222 
    223 #define	VCPROP_REV_PCBREV	__BITS(3,0)
    224 #define	VCPROP_REV_MODEL	__BITS(11,4)
    225 #define	 RPI_MODEL_A		0
    226 #define	 RPI_MODEL_B		1
    227 #define	 RPI_MODEL_A_PLUS	2
    228 #define	 RPI_MODEL_B_PLUS	3
    229 #define	 RPI_MODEL_B_PI2	4
    230 #define	 RPI_MODEL_ALPHA	5
    231 #define	 RPI_MODEL_COMPUTE	6
    232 #define	 RPI_MODEL_B_PI3	8
    233 #define	 RPI_MODEL_ZERO		9
    234 #define	 RPI_MODEL_COMPUTE_PI3	10
    235 #define	 RPI_MODEL_ZERO_W	12
    236 #define	 RPI_MODEL_B_PLUS_PI3	13
    237 #define	 RPI_MODEL_A_PLUS_PI3	14
    238 #define	 RPI_MODEL_CM_PLUS_PI3	16
    239 #define	 RPI_MODEL_B_PI4	17
    240 #define	VCPROP_REV_PROCESSOR	__BITS(15,12)
    241 #define	 RPI_PROCESSOR_BCM2835	0
    242 #define	 RPI_PROCESSOR_BCM2836	1
    243 #define	 RPI_PROCESSOR_BCM2837	2
    244 #define	 RPI_PROCESSOR_BCM2711	3
    245 #define	VCPROP_REV_MANUF	__BITS(19,16)
    246 #define	 RPI_MANUF_SONY         0
    247 #define	 RPI_MANUF_EGOMAN       1
    248 #define	 RPI_MANUF_QISDA        16
    249 #define	 RPI_MANUF_EMBEST       2
    250 #define	 RPI_MANUF_SONYJAPAN    3
    251 #define	VCPROP_REV_MEMSIZE	__BITS(22,20)
    252 #define	 RPI_MEMSIZE_256	0
    253 #define	 RPI_MEMSIZE_512	1
    254 #define	 RPI_MEMSIZE_1024	2
    255 #define	 RPI_MEMSIZE_2048	3
    256 #define	 RPI_MEMSIZE_4096	4
    257 #define	VCPROP_REV_ENCFLAG	__BIT(23)
    258 #define	VCPROP_REV_WARRANTY	__BITS(25,24)
    259 
    260 struct vcprop_tag_macaddr {
    261 	struct vcprop_tag tag;
    262 	uint64_t addr;
    263 } __packed;
    264 
    265 struct vcprop_tag_boardserial {
    266 	struct vcprop_tag tag;
    267 	uint64_t sn;
    268 } __packed;
    269 
    270 #define	VCPROP_CLK_EMMC		1
    271 #define	VCPROP_CLK_UART		2
    272 #define	VCPROP_CLK_ARM		3
    273 #define	VCPROP_CLK_CORE		4
    274 #define	VCPROP_CLK_V3D		5
    275 #define	VCPROP_CLK_H264		6
    276 #define	VCPROP_CLK_ISP		7
    277 #define	VCPROP_CLK_SDRAM	8
    278 #define	VCPROP_CLK_PIXEL	9
    279 #define	VCPROP_CLK_PWM		10
    280 #define	VCPROP_CLK_EMMC2	12
    281 
    282 struct vcprop_clock {
    283 	uint32_t pclk;
    284 	uint32_t cclk;
    285 };
    286 
    287 #define	VCPROP_MAXCLOCKS 16
    288 struct vcprop_tag_clock {
    289 	struct vcprop_tag tag;
    290 	struct vcprop_clock clk[VCPROP_MAXCLOCKS];
    291 };
    292 
    293 #ifndef	VCPROP_MAXCMDLINE
    294 #define	VCPROP_MAXCMDLINE 1024
    295 #endif
    296 struct vcprop_tag_cmdline {
    297 	struct vcprop_tag tag;
    298 	uint8_t cmdline[VCPROP_MAXCMDLINE];
    299 };
    300 
    301 struct vcprop_tag_dmachan {
    302 	struct vcprop_tag tag;
    303 	uint32_t mask;
    304 };
    305 
    306 struct vcprop_tag_clockstate {
    307 	struct vcprop_tag tag;
    308 	uint32_t id;
    309 	uint32_t state;
    310 };
    311 
    312 struct vcprop_tag_clockrate {
    313 	struct vcprop_tag tag;
    314 	uint32_t id;
    315 	uint32_t rate;
    316 	uint32_t noturbo;
    317 };
    318 
    319 struct vcprop_tag_sdhostclock {
    320 	struct vcprop_tag tag;
    321 	uint32_t clock;
    322 	uint32_t clock1;
    323 	uint32_t clock2;
    324 };
    325 
    326 #define VCPROP_VOLTAGE_CORE	1
    327 #define VCPROP_VOLTAGE_SDRAM_C	2
    328 #define VCPROP_VOLTAGE_SDRAM_P	3
    329 #define VCPROP_VOLTAGE_SDRAM_I	4
    330 
    331 struct vcprop_tag_voltage {
    332 	struct vcprop_tag tag;
    333 	uint32_t id;
    334 	uint32_t value;
    335 };
    336 
    337 #define VCPROP_TEMP_SOC		0
    338 
    339 struct vcprop_tag_temperature {
    340 	struct vcprop_tag tag;
    341 	uint32_t id;
    342 	uint32_t value;
    343 };
    344 
    345 #define	VCPROP_POWER_SDCARD	0
    346 #define	VCPROP_POWER_UART0	1
    347 #define	VCPROP_POWER_UART1	2
    348 #define	VCPROP_POWER_USB	3
    349 #define	VCPROP_POWER_I2C0	4
    350 #define	VCPROP_POWER_I2C1	5
    351 #define	VCPROP_POWER_I2C2	6
    352 #define	VCPROP_POWER_SPI	7
    353 #define	VCPROP_POWER_CCP2TX	8
    354 
    355 #define VCPROP_DOMAIN_I2C0           1
    356 #define VCPROP_DOMAIN_I2C1           2
    357 #define VCPROP_DOMAIN_I2C2           3
    358 #define VCPROP_DOMAIN_VIDEO_SCALER   4
    359 #define VCPROP_DOMAIN_VPU1           5
    360 #define VCPROP_DOMAIN_HDMI           6
    361 #define VCPROP_DOMAIN_USB            7
    362 #define VCPROP_DOMAIN_VEC            8
    363 #define VCPROP_DOMAIN_JPEG           9
    364 #define VCPROP_DOMAIN_H264           10
    365 #define VCPROP_DOMAIN_V3D            11
    366 #define VCPROP_DOMAIN_ISP            12
    367 #define VCPROP_DOMAIN_UNICAM0        13
    368 #define VCPROP_DOMAIN_UNICAM1        14
    369 #define VCPROP_DOMAIN_CCP2RX         15
    370 #define VCPROP_DOMAIN_CSI2           16
    371 #define VCPROP_DOMAIN_CPI            17
    372 #define VCPROP_DOMAIN_DSI0           18
    373 #define VCPROP_DOMAIN_DSI1           19
    374 #define VCPROP_DOMAIN_TRANSPOSER     20
    375 #define VCPROP_DOMAIN_CCP2TX         21
    376 #define VCPROP_DOMAIN_CDP            22
    377 #define VCPROP_DOMAIN_ARM            23
    378 
    379 struct vcprop_tag_powertiming {
    380 	struct vcprop_tag tag;
    381 	uint32_t id;
    382 	uint32_t waitusec;
    383 };
    384 
    385 struct vcprop_tag_powerstate {
    386 	struct vcprop_tag tag;
    387 	uint32_t id;
    388 	uint32_t state;
    389 };
    390 
    391 struct vcprop_tag_allocbuf {
    392 	struct vcprop_tag tag;
    393 	uint32_t address;	/* alignment for request */
    394 	uint32_t size;
    395 };
    396 
    397 #define VCPROP_BLANK_OFF	0
    398 #define VCPROP_BLANK_ON		1
    399 
    400 struct vcprop_tag_blankscreen {
    401 	struct vcprop_tag tag;
    402 	uint32_t state;
    403 };
    404 
    405 struct vcprop_tag_fbres {
    406 	struct vcprop_tag tag;
    407 	uint32_t width;
    408 	uint32_t height;
    409 };
    410 
    411 struct vcprop_tag_fbdepth {
    412 	struct vcprop_tag tag;
    413 	uint32_t bpp;
    414 };
    415 
    416 #define VCPROP_PIXEL_BGR	0
    417 #define VCPROP_PIXEL_RGB	1
    418 
    419 struct vcprop_tag_fbpixelorder {
    420 	struct vcprop_tag tag;
    421 	uint32_t order;
    422 };
    423 
    424 struct vcprop_tag_fbpitch {
    425 	struct vcprop_tag tag;
    426 	uint32_t linebytes;
    427 };
    428 
    429 #define VCPROP_ALPHA_ENABLED	0
    430 #define VCPROP_ALPHA_REVERSED	1
    431 #define VCPROP_ALPHA_IGNORED	2
    432 
    433 struct vcprop_tag_fbalpha {
    434 	struct vcprop_tag tag;
    435 	uint32_t state;
    436 };
    437 
    438 struct vcprop_tag_edidblock {
    439 	struct vcprop_tag tag;
    440 	uint32_t blockno;
    441 	uint32_t status;
    442 	uint8_t data[128];
    443 };
    444 
    445 struct vcprop_tag_numdpy {
    446 	struct vcprop_tag tag;
    447 	uint32_t count;
    448 };
    449 
    450 struct vcprop_tag_setdpy {
    451 	struct vcprop_tag tag;
    452 	uint32_t display_num;
    453 };
    454 
    455 struct vcprop_tag_cursorinfo {
    456 	struct vcprop_tag tag;
    457 	uint32_t width;
    458 	uint32_t height;
    459 	uint32_t format;
    460 	uint32_t pixels;	/* bus address in VC memory */
    461 	uint32_t hotspot_x;
    462 	uint32_t hotspot_y;
    463 };
    464 
    465 struct vcprop_tag_cursorstate {
    466 	struct vcprop_tag tag;
    467 	uint32_t enable;	/* 1 - visible */
    468 	uint32_t x;
    469 	uint32_t y;
    470 	uint32_t flags;		/* 0 - display coord. 1 - fb coord. */
    471 };
    472 
    473 struct vcprop_tag_allocmem {
    474 	struct vcprop_tag tag;
    475 	uint32_t size;	/* handle returned here */
    476 	uint32_t align;
    477 	uint32_t flags;
    478 /*
    479  * flag definitions from
    480  * https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
    481  */
    482 #define MEM_FLAG_DISCARDABLE	(1 << 0) /* can be resized to 0 at any time. Use for cached data */
    483 #define MEM_FLAG_NORMAL		(0 << 2) /* normal allocating alias. Don't use from ARM */
    484 #define MEM_FLAG_DIRECT		(1 << 2) /* 0xC alias uncached */
    485 #define MEM_FLAG_COHERENT	(2 << 2) /* 0x8 alias. Non-allocating in L2 but coherent */
    486 #define MEM_FLAG_L1_NONALLOCATING (MEM_FLAG_DIRECT | MEM_FLAG_COHERENT) /* Allocating in L2 */
    487 #define MEM_FLAG_ZERO		(1 << 4)  /* initialise buffer to all zeros */
    488 #define MEM_FLAG_NO_INIT	(1 << 5) /* don't initialise (default is initialise to all ones */
    489 #define MEM_FLAG_HINT_PERMALOCK	(1 << 6) /* Likely to be locked for long periods of time. */
    490 };
    491 
    492 /* also for unlock and release */
    493 struct vcprop_tag_lockmem {
    494 	struct vcprop_tag tag;
    495 	uint32_t handle;	/* bus address returned here */
    496 };
    497 
    498 struct vcprop_tag_vchiqinit {
    499 	struct vcprop_tag tag;
    500 	uint32_t base;
    501 };
    502 
    503 struct vcprop_tag_notifyxhcireset {
    504 	struct vcprop_tag tag;
    505 	uint32_t deviceaddress;
    506 };
    507 
    508 struct vcprop_buffer_hdr {
    509 	uint32_t vpb_len;
    510 	uint32_t vpb_rcode;
    511 #define	VCPROP_PROCESS_REQUEST 0
    512 #define VCPROP_REQ_SUCCESS	(1U << 31)
    513 #define VCPROP_REQ_EPARSE	(1U << 0)
    514 };
    515 
    516 static inline bool
    517 vcprop_buffer_success_p(struct vcprop_buffer_hdr *vpbh)
    518 {
    519 
    520 	return le32toh(vpbh->vpb_rcode) & VCPROP_REQ_SUCCESS;
    521 }
    522 
    523 static inline bool
    524 vcprop_tag_success_p(struct vcprop_tag *vpbt)
    525 {
    526 
    527 	return le32toh(vpbt->vpt_rcode) & VCPROPTAG_RESPONSE;
    528 }
    529 
    530 static inline size_t
    531 vcprop_tag_resplen(struct vcprop_tag *vpbt)
    532 {
    533 
    534 	return le32toh(vpbt->vpt_rcode) & ~VCPROPTAG_RESPONSE;
    535 }
    536 
    537 uint32_t rpi_alloc_mem(uint32_t, uint32_t, uint32_t);
    538 bus_addr_t rpi_lock_mem(uint32_t);
    539 int rpi_unlock_mem(uint32_t);
    540 int rpi_release_mem(uint32_t);
    541 
    542 int rpi_fb_set_video(int);
    543 
    544 int rpi_fb_movecursor(int, int, int);
    545 int rpi_fb_initcursor(bus_addr_t, int, int);
    546 
    547 int rpi_fb_set_pixelorder(uint32_t);
    548 int rpi_fb_get_pixelorder(uint32_t *);
    549 
    550 int rpi_set_domain(uint32_t, uint32_t);
    551 int rpi_get_domain(uint32_t, uint32_t *);
    552 
    553 int rpi_vchiq_init(uint32_t *);
    554 
    555 int rpi_notify_xhci_reset(uint32_t);
    556 
    557 #endif	/* _EVBARM_RPI_VCPROP_H_ */
    558 
    559