/*-
* Copyright (C) 2013-2014 Daisuke Aoyama <aoyama@peach.ne.jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _BCM2835_MBOX_PROP_H_
#define _BCM2835_MBOX_PROP_H_
#include <sys/cdefs.h>
#include <sys/types.h>
/*
* Mailbox property interface:
* https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
*/
#define BCM2835_MBOX_CODE_REQ 0
#define BCM2835_MBOX_CODE_RESP_SUCCESS 0x80000000
#define BCM2835_MBOX_CODE_RESP_ERROR 0x80000001
#define BCM2835_MBOX_TAG_VAL_LEN_RESPONSE 0x80000000
struct bcm2835_mbox_hdr {
uint32_t buf_size;
uint32_t code;
};
struct bcm2835_mbox_tag_hdr {
uint32_t tag;
uint32_t val_buf_size;
uint32_t val_len;
};
#define BCM2835_MBOX_INIT_TAG(tag_, tagid_) do { \
(tag_)->tag_hdr.tag = BCM2835_MBOX_TAG_##tagid_; \
(tag_)->tag_hdr.val_buf_size = sizeof((tag_)->body); \
(tag_)->tag_hdr.val_len = sizeof((tag_)->body.req); \
} while (0)
#define BCM2835_MBOX_POWER_ID_EMMC 0x00000000
#define BCM2835_MBOX_POWER_ID_UART0 0x00000001
#define BCM2835_MBOX_POWER_ID_UART1 0x00000002
#define BCM2835_MBOX_POWER_ID_USB_HCD 0x00000003
#define BCM2835_MBOX_POWER_ID_I2C0 0x00000004
#define BCM2835_MBOX_POWER_ID_I2C1 0x00000005
#define BCM2835_MBOX_POWER_ID_I2C2 0x00000006
#define BCM2835_MBOX_POWER_ID_SPI 0x00000007
#define BCM2835_MBOX_POWER_ID_CCP2TX 0x00000008
#define BCM2835_MBOX_POWER_ON (1 << 0)
#define BCM2835_MBOX_POWER_WAIT (1 << 1)
#define BCM2835_MBOX_TAG_GET_POWER_STATE 0x00020001
#define BCM2835_MBOX_TAG_SET_POWER_STATE 0x00028001
struct msg_get_power_state {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t device_id;
} req;
struct {
uint32_t device_id;
uint32_t state;
} resp;
} body;
uint32_t end_tag;
};
struct msg_set_power_state {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t device_id;
uint32_t state;
} req;
struct {
uint32_t device_id;
uint32_t state;
} resp;
} body;
uint32_t end_tag;
};
/* Sets the power state for a given device */
int bcm2835_mbox_set_power_state(uint32_t, boolean_t);
#define BCM2835_MBOX_CLOCK_ID_EMMC 0x00000001
#define BCM2835_MBOX_CLOCK_ID_UART 0x00000002
#define BCM2835_MBOX_CLOCK_ID_ARM 0x00000003
#define BCM2835_MBOX_CLOCK_ID_CORE 0x00000004
#define BCM2835_MBOX_CLOCK_ID_V3D 0x00000005
#define BCM2835_MBOX_CLOCK_ID_H264 0x00000006
#define BCM2835_MBOX_CLOCK_ID_ISP 0x00000007
#define BCM2835_MBOX_CLOCK_ID_SDRAM 0x00000008
#define BCM2835_MBOX_CLOCK_ID_PIXEL 0x00000009
#define BCM2835_MBOX_CLOCK_ID_PWM 0x0000000a
#define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002
#define BCM2835_MBOX_TAG_SET_CLOCK_RATE 0x00038002
#define BCM2835_MBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004
#define BCM2835_MBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007
struct msg_get_clock_rate {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
} body;
uint32_t end_tag;
};
struct msg_set_clock_rate {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
uint32_t rate_hz;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_max_clock_rate {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_min_clock_rate {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
} body;
uint32_t end_tag;
};
int bcm2835_mbox_get_clock_rate(uint32_t, uint32_t *);
#define BCM2835_MBOX_TURBO_ON 1
#define BCM2835_MBOX_TURBO_OFF 0
#define BCM2835_MBOX_TAG_GET_TURBO 0x00030009
#define BCM2835_MBOX_TAG_SET_TURBO 0x00038009
struct msg_get_turbo {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t id;
} req;
struct {
uint32_t id;
uint32_t level;
} resp;
} body;
uint32_t end_tag;
};
struct msg_set_turbo {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t id;
uint32_t level;
} req;
struct {
uint32_t id;
uint32_t level;
} resp;
} body;
uint32_t end_tag;
};
#define BCM2835_MBOX_VOLTAGE_ID_CORE 0x00000001
#define BCM2835_MBOX_VOLTAGE_ID_SDRAM_C 0x00000002
#define BCM2835_MBOX_VOLTAGE_ID_SDRAM_P 0x00000003
#define BCM2835_MBOX_VOLTAGE_ID_SDRAM_I 0x00000004
#define BCM2835_MBOX_TAG_GET_VOLTAGE 0x00030003
#define BCM2835_MBOX_TAG_SET_VOLTAGE 0x00038003
#define BCM2835_MBOX_TAG_GET_MAX_VOLTAGE 0x00030005
#define BCM2835_MBOX_TAG_GET_MIN_VOLTAGE 0x00030008
struct msg_get_voltage {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voltage_id;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
struct msg_set_voltage {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voltage_id;
uint32_t value;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_max_voltage {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voltage_id;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_min_voltage {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voltage_id;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
#define BCM2835_MBOX_TAG_GET_TEMPERATURE 0x00030006
#define BCM2835_MBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a
struct msg_get_temperature {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t temperature_id;
} req;
struct {
uint32_t temperature_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_max_temperature {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t temperature_id;
} req;
struct {
uint32_t temperature_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
#define BCM2835_MBOX_TAG_GET_PHYSICAL_W_H 0x00040003
#define BCM2835_MBOX_TAG_SET_PHYSICAL_W_H 0x00048003
#define BCM2835_MBOX_TAG_GET_VIRTUAL_W_H 0x00040004
#define BCM2835_MBOX_TAG_SET_VIRTUAL_W_H 0x00048004
struct bcm2835_mbox_tag_fb_w_h {
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t width;
uint32_t height;
} req;
struct {
uint32_t width;
uint32_t height;
} resp;
} body;
};
#define BCM2835_MBOX_TAG_GET_DEPTH 0x00040005
#define BCM2835_MBOX_TAG_SET_DEPTH 0x00048005
struct bcm2835_mbox_tag_depth {
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t bpp;
} req;
struct {
uint32_t bpp;
} resp;
} body;
};
#define BCM2835_MBOX_TAG_GET_ALPHA_MODE 0x00040007
#define BCM2835_MBOX_TAG_SET_ALPHA_MODE 0x00048007
#define BCM2835_MBOX_ALPHA_MODE_0_OPAQUE 0
#define BCM2835_MBOX_ALPHA_MODE_0_TRANSPARENT 1
#define BCM2835_MBOX_ALPHA_MODE_IGNORED 2
struct bcm2835_mbox_tag_alpha_mode {
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t alpha;
} req;
struct {
uint32_t alpha;
} resp;
} body;
};
#define BCM2835_MBOX_TAG_GET_VIRTUAL_OFFSET 0x00040009
#define BCM2835_MBOX_TAG_SET_VIRTUAL_OFFSET 0x00048009
struct bcm2835_mbox_tag_virtual_offset {
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t x;
uint32_t y;
} req;
struct {
uint32_t x;
uint32_t y;
} resp;
} body;
};
#define BCM2835_MBOX_TAG_GET_PITCH 0x00040008
struct bcm2835_mbox_tag_pitch {
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t pitch;
} resp;
} body;
};
#define BCM2835_MBOX_TAG_ALLOCATE_BUFFER 0x00040001
struct bcm2835_mbox_tag_allocate_buffer {
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t alignment;
} req;
struct {
uint32_t fb_address;
uint32_t fb_size;
} resp;
} body;
};
#define BCM2835_MBOX_TAG_RELEASE_BUFFER 0x00048001
struct bcm2835_mbox_tag_release_buffer {
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
} resp;
} body;
};
#define BCM2835_MBOX_TAG_GET_TOUCHBUF 0x0004000f
struct bcm2835_mbox_tag_touchbuf {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t address;
} resp;
} body;
uint32_t end_tag;
};
struct bcm2835_fb_config {
uint32_t xres;
uint32_t yres;
uint32_t vxres;
uint32_t vyres;
uint32_t xoffset;
uint32_t yoffset;
uint32_t bpp;
uint32_t pitch;
uint32_t base;
uint32_t size;
};
struct msg_fb_get_w_h {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_fb_w_h physical_w_h;
uint32_t end_tag;
};
int bcm2835_mbox_fb_get_w_h(struct bcm2835_fb_config *);
struct msg_fb_setup {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_fb_w_h physical_w_h;
struct bcm2835_mbox_tag_fb_w_h virtual_w_h;
struct bcm2835_mbox_tag_virtual_offset offset;
struct bcm2835_mbox_tag_depth depth;
struct bcm2835_mbox_tag_alpha_mode alpha;
struct bcm2835_mbox_tag_allocate_buffer buffer;
struct bcm2835_mbox_tag_pitch pitch;
uint32_t end_tag;
};
int bcm2835_mbox_fb_init(struct bcm2835_fb_config *);
int bcm2835_mbox_property(void *, size_t);
#endif /* _BCM2835_MBOX_PROP_H_ */