8826550b5a
- Add bcm2835_mbox_property for generic property request, it accepts
pointer to prepared property chan message and its size, forwards
it to MBOX and copies result back
- Make all bcm2835_mbox_XXX functions that use property channel go
through bcm2835_mbox_property path. Do not accept device_t as
an argument, it's not required: all DMA operatiosn should go
through mbox device, and all API consumers should report errors
on their side.
496 lines
11 KiB
C
496 lines
11 KiB
C
/*-
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* Copyright (C) 2013-2014 Daisuke Aoyama <aoyama@peach.ne.jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _BCM2835_MBOX_PROP_H_
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#define _BCM2835_MBOX_PROP_H_
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#include <sys/cdefs.h>
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#include <sys/types.h>
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/*
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* Mailbox property interface:
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* https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
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*/
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#define BCM2835_MBOX_CODE_REQ 0
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#define BCM2835_MBOX_CODE_RESP_SUCCESS 0x80000000
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#define BCM2835_MBOX_CODE_RESP_ERROR 0x80000001
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#define BCM2835_MBOX_TAG_VAL_LEN_RESPONSE 0x80000000
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struct bcm2835_mbox_hdr {
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uint32_t buf_size;
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uint32_t code;
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};
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struct bcm2835_mbox_tag_hdr {
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uint32_t tag;
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uint32_t val_buf_size;
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uint32_t val_len;
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};
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#define BCM2835_MBOX_INIT_TAG(tag_, tagid_) do { \
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(tag_)->tag_hdr.tag = BCM2835_MBOX_TAG_##tagid_; \
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(tag_)->tag_hdr.val_buf_size = sizeof((tag_)->body); \
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(tag_)->tag_hdr.val_len = sizeof((tag_)->body.req); \
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} while (0)
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#define BCM2835_MBOX_POWER_ID_EMMC 0x00000000
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#define BCM2835_MBOX_POWER_ID_UART0 0x00000001
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#define BCM2835_MBOX_POWER_ID_UART1 0x00000002
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#define BCM2835_MBOX_POWER_ID_USB_HCD 0x00000003
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#define BCM2835_MBOX_POWER_ID_I2C0 0x00000004
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#define BCM2835_MBOX_POWER_ID_I2C1 0x00000005
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#define BCM2835_MBOX_POWER_ID_I2C2 0x00000006
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#define BCM2835_MBOX_POWER_ID_SPI 0x00000007
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#define BCM2835_MBOX_POWER_ID_CCP2TX 0x00000008
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#define BCM2835_MBOX_POWER_ON (1 << 0)
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#define BCM2835_MBOX_POWER_WAIT (1 << 1)
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#define BCM2835_MBOX_TAG_GET_POWER_STATE 0x00020001
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#define BCM2835_MBOX_TAG_SET_POWER_STATE 0x00028001
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struct msg_get_power_state {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t device_id;
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} req;
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struct {
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uint32_t device_id;
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uint32_t state;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct msg_set_power_state {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t device_id;
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uint32_t state;
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} req;
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struct {
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uint32_t device_id;
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uint32_t state;
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} resp;
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} body;
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uint32_t end_tag;
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};
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/* Sets the power state for a given device */
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int bcm2835_mbox_set_power_state(uint32_t, boolean_t);
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#define BCM2835_MBOX_CLOCK_ID_EMMC 0x00000001
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#define BCM2835_MBOX_CLOCK_ID_UART 0x00000002
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#define BCM2835_MBOX_CLOCK_ID_ARM 0x00000003
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#define BCM2835_MBOX_CLOCK_ID_CORE 0x00000004
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#define BCM2835_MBOX_CLOCK_ID_V3D 0x00000005
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#define BCM2835_MBOX_CLOCK_ID_H264 0x00000006
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#define BCM2835_MBOX_CLOCK_ID_ISP 0x00000007
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#define BCM2835_MBOX_CLOCK_ID_SDRAM 0x00000008
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#define BCM2835_MBOX_CLOCK_ID_PIXEL 0x00000009
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#define BCM2835_MBOX_CLOCK_ID_PWM 0x0000000a
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#define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002
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#define BCM2835_MBOX_TAG_SET_CLOCK_RATE 0x00038002
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#define BCM2835_MBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004
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#define BCM2835_MBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007
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struct msg_get_clock_rate {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t clock_id;
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} req;
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struct {
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uint32_t clock_id;
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uint32_t rate_hz;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct msg_set_clock_rate {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t clock_id;
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uint32_t rate_hz;
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} req;
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struct {
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uint32_t clock_id;
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uint32_t rate_hz;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct msg_get_max_clock_rate {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t clock_id;
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} req;
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struct {
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uint32_t clock_id;
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uint32_t rate_hz;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct msg_get_min_clock_rate {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t clock_id;
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} req;
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struct {
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uint32_t clock_id;
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uint32_t rate_hz;
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} resp;
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} body;
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uint32_t end_tag;
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};
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int bcm2835_mbox_get_clock_rate(uint32_t, uint32_t *);
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#define BCM2835_MBOX_TURBO_ON 1
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#define BCM2835_MBOX_TURBO_OFF 0
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#define BCM2835_MBOX_TAG_GET_TURBO 0x00030009
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#define BCM2835_MBOX_TAG_SET_TURBO 0x00038009
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struct msg_get_turbo {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t id;
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} req;
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struct {
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uint32_t id;
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uint32_t level;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct msg_set_turbo {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t id;
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uint32_t level;
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} req;
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struct {
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uint32_t id;
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uint32_t level;
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} resp;
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} body;
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uint32_t end_tag;
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};
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#define BCM2835_MBOX_VOLTAGE_ID_CORE 0x00000001
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#define BCM2835_MBOX_VOLTAGE_ID_SDRAM_C 0x00000002
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#define BCM2835_MBOX_VOLTAGE_ID_SDRAM_P 0x00000003
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#define BCM2835_MBOX_VOLTAGE_ID_SDRAM_I 0x00000004
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#define BCM2835_MBOX_TAG_GET_VOLTAGE 0x00030003
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#define BCM2835_MBOX_TAG_SET_VOLTAGE 0x00038003
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#define BCM2835_MBOX_TAG_GET_MAX_VOLTAGE 0x00030005
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#define BCM2835_MBOX_TAG_GET_MIN_VOLTAGE 0x00030008
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struct msg_get_voltage {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t voltage_id;
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} req;
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struct {
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uint32_t voltage_id;
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uint32_t value;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct msg_set_voltage {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t voltage_id;
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uint32_t value;
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} req;
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struct {
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uint32_t voltage_id;
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uint32_t value;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct msg_get_max_voltage {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t voltage_id;
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} req;
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struct {
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uint32_t voltage_id;
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uint32_t value;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct msg_get_min_voltage {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t voltage_id;
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} req;
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struct {
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uint32_t voltage_id;
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uint32_t value;
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} resp;
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} body;
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uint32_t end_tag;
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};
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#define BCM2835_MBOX_TAG_GET_TEMPERATURE 0x00030006
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#define BCM2835_MBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a
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struct msg_get_temperature {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t temperature_id;
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} req;
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struct {
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uint32_t temperature_id;
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uint32_t value;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct msg_get_max_temperature {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t temperature_id;
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} req;
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struct {
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uint32_t temperature_id;
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uint32_t value;
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} resp;
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} body;
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uint32_t end_tag;
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};
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#define BCM2835_MBOX_TAG_GET_PHYSICAL_W_H 0x00040003
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#define BCM2835_MBOX_TAG_SET_PHYSICAL_W_H 0x00048003
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#define BCM2835_MBOX_TAG_GET_VIRTUAL_W_H 0x00040004
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#define BCM2835_MBOX_TAG_SET_VIRTUAL_W_H 0x00048004
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struct bcm2835_mbox_tag_fb_w_h {
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t width;
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uint32_t height;
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} req;
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struct {
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uint32_t width;
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uint32_t height;
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} resp;
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} body;
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};
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#define BCM2835_MBOX_TAG_GET_DEPTH 0x00040005
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#define BCM2835_MBOX_TAG_SET_DEPTH 0x00048005
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struct bcm2835_mbox_tag_depth {
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t bpp;
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} req;
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struct {
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uint32_t bpp;
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} resp;
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} body;
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};
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#define BCM2835_MBOX_TAG_GET_ALPHA_MODE 0x00040007
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#define BCM2835_MBOX_TAG_SET_ALPHA_MODE 0x00048007
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#define BCM2835_MBOX_ALPHA_MODE_0_OPAQUE 0
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#define BCM2835_MBOX_ALPHA_MODE_0_TRANSPARENT 1
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#define BCM2835_MBOX_ALPHA_MODE_IGNORED 2
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struct bcm2835_mbox_tag_alpha_mode {
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t alpha;
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} req;
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struct {
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uint32_t alpha;
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} resp;
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} body;
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};
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#define BCM2835_MBOX_TAG_GET_VIRTUAL_OFFSET 0x00040009
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#define BCM2835_MBOX_TAG_SET_VIRTUAL_OFFSET 0x00048009
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struct bcm2835_mbox_tag_virtual_offset {
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t x;
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uint32_t y;
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} req;
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struct {
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uint32_t x;
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uint32_t y;
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} resp;
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} body;
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};
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#define BCM2835_MBOX_TAG_GET_PITCH 0x00040008
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struct bcm2835_mbox_tag_pitch {
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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} req;
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struct {
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uint32_t pitch;
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} resp;
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} body;
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};
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#define BCM2835_MBOX_TAG_ALLOCATE_BUFFER 0x00040001
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struct bcm2835_mbox_tag_allocate_buffer {
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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uint32_t alignment;
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} req;
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struct {
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uint32_t fb_address;
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uint32_t fb_size;
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} resp;
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} body;
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};
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#define BCM2835_MBOX_TAG_RELEASE_BUFFER 0x00048001
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struct bcm2835_mbox_tag_release_buffer {
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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} req;
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struct {
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} resp;
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} body;
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};
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#define BCM2835_MBOX_TAG_GET_TOUCHBUF 0x0004000f
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struct bcm2835_mbox_tag_touchbuf {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_hdr tag_hdr;
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union {
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struct {
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} req;
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struct {
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uint32_t address;
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} resp;
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} body;
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uint32_t end_tag;
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};
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struct bcm2835_fb_config {
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uint32_t xres;
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uint32_t yres;
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uint32_t vxres;
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uint32_t vyres;
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uint32_t xoffset;
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uint32_t yoffset;
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uint32_t bpp;
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uint32_t pitch;
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uint32_t base;
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uint32_t size;
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};
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struct msg_fb_get_w_h {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_fb_w_h physical_w_h;
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struct bcm2835_mbox_tag_fb_w_h virtual_w_h;
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struct bcm2835_mbox_tag_virtual_offset offset;
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uint32_t end_tag;
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};
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int bcm2835_mbox_fb_get_w_h(struct bcm2835_fb_config *);
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struct msg_fb_setup {
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struct bcm2835_mbox_hdr hdr;
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struct bcm2835_mbox_tag_fb_w_h physical_w_h;
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struct bcm2835_mbox_tag_fb_w_h virtual_w_h;
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struct bcm2835_mbox_tag_virtual_offset offset;
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struct bcm2835_mbox_tag_depth depth;
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struct bcm2835_mbox_tag_alpha_mode alpha;
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struct bcm2835_mbox_tag_allocate_buffer buffer;
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struct bcm2835_mbox_tag_pitch pitch;
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uint32_t end_tag;
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};
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int bcm2835_mbox_fb_init(struct bcm2835_fb_config *);
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int bcm2835_mbox_property(void *, size_t);
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#endif /* _BCM2835_MBOX_PROP_H_ */
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