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bsp/raspberrypi: Move source files to bsps

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This patch is a part of the BSP source reorganization.

Update #3285.
This commit is contained in:
Sebastian Huber
2018-04-25 10:36:01 +02:00
parent ede0eb31e8
commit fc1bdb839e
7 changed files with 4 additions and 4 deletions
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136
bsps/arm/raspberrypi/gpio/gpio-interfaces-pi1-rev2.c Normal file
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/**
* @file gpio-interfaces-pi1-rev2.c
*
* @ingroup raspberrypi_gpio
*
* @brief Raspberry PI 1 rev2 GPIO interface definitions.
*/
/*
* Copyright (c) 2015 Andre Marques <andre.lousa.marques at gmail.com>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#define JTAG_PIN_COUNT 5
#define SPI_PIN_COUNT 5
#define I2C_PIN_COUNT 2
const rtems_gpio_pin_conf jtag_config[JTAG_PIN_COUNT] = {
{ /*arm_tdi */
.pin_number = 4,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[5]
},
{ /* arm_trst */
.pin_number = 22,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[4]
},
{ /* arm_tdo */
.pin_number = 24,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[4]
},
{ /* arm_tck */
.pin_number = 25,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[4]
},
{ /* arm_tms */
.pin_number = 27,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[4]
}
};
const rtems_gpio_pin_conf spi_config[SPI_PIN_COUNT] = {
{ /* spi_miso */
.pin_number = 7,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[0]
},
{ /* spi_mosi */
.pin_number = 8,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[0]
},
{ /* spi_sclk */
.pin_number = 9,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[0]
},
{ /* spi_ce_0 */
.pin_number = 10,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[0]
},
{ /* spi_ce_1 */
.pin_number = 11,
.function = BSP_SPECIFIC,
.pull_mode = NO_PULL_RESISTOR,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[0]
}
};
const rtems_gpio_pin_conf i2c_config[I2C_PIN_COUNT] = {
{ /* i2c_sda */
.pin_number = 2,
.function = BSP_SPECIFIC,
.pull_mode = PULL_UP,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[0]
},
{ /* i2c_scl */
.pin_number = 3,
.function = BSP_SPECIFIC,
.pull_mode = PULL_UP,
.interrupt = NULL,
.output_enabled = FALSE,
.logic_invert = FALSE,
.bsp_specific = &alt_func_def[0]
}
};

335
bsps/arm/raspberrypi/gpio/rpi-gpio.c Normal file
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/**
* @file rpi-gpio.c
*
* @ingroup raspberrypi_gpio
*
* @brief Support for the Raspberry PI GPIO.
*/
/*
* Copyright (c) 2014-2015 Andre Marques <andre.lousa.marques at gmail.com>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <bsp.h>
#include <bsp/raspberrypi.h>
#include <bsp/irq-generic.h>
#include <bsp/gpio.h>
#include <bsp/rpi-gpio.h>
#include <stdlib.h>
RTEMS_INTERRUPT_LOCK_DEFINE( static, rtems_gpio_bsp_lock, "rtems_gpio_bsp_lock" );
/* Calculates a bitmask to assign an alternate function to a given pin. */
#define SELECT_PIN_FUNCTION(fn, pn) (fn << ((pn % 10) * 3))
rtems_gpio_specific_data alt_func_def[] = {
{.io_function = RPI_ALT_FUNC_0, .pin_data = NULL},
{.io_function = RPI_ALT_FUNC_1, .pin_data = NULL},
{.io_function = RPI_ALT_FUNC_2, .pin_data = NULL},
{.io_function = RPI_ALT_FUNC_3, .pin_data = NULL},
{.io_function = RPI_ALT_FUNC_4, .pin_data = NULL},
{.io_function = RPI_ALT_FUNC_5, .pin_data = NULL}
};
/* Raspberry Pi 1 Revision 2 gpio interface definitions. */
#include "gpio-interfaces-pi1-rev2.c"
/* Waits a number of CPU cycles. */
static void arm_delay(uint8_t cycles)
{
uint8_t i;
for ( i = 0; i < cycles; ++i ) {
asm volatile("nop");
}
}
static rtems_status_code rpi_select_pin_function(
uint32_t bank,
uint32_t pin,
uint32_t type
) {
/* Calculate the pin function select register address. */
volatile uint32_t *pin_addr = (uint32_t *) BCM2835_GPIO_REGS_BASE +
(pin / 10);
uint32_t reg_old;
uint32_t reg_new;
rtems_interrupt_lock_context lock_context;
rtems_interrupt_lock_acquire(&rtems_gpio_bsp_lock, &lock_context);
reg_new = reg_old = *pin_addr;
reg_new &= ~SELECT_PIN_FUNCTION(RPI_ALT_FUNC_MASK, pin);
reg_new |= SELECT_PIN_FUNCTION(type, pin);
*pin_addr = reg_new;
rtems_interrupt_lock_release(&rtems_gpio_bsp_lock, &lock_context);
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_gpio_bsp_multi_set(uint32_t bank, uint32_t bitmask)
{
BCM2835_REG(BCM2835_GPIO_GPSET0) = bitmask;
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_gpio_bsp_multi_clear(uint32_t bank, uint32_t bitmask)
{
BCM2835_REG(BCM2835_GPIO_GPCLR0) = bitmask;
return RTEMS_SUCCESSFUL;
}
uint32_t rtems_gpio_bsp_multi_read(uint32_t bank, uint32_t bitmask)
{
return (BCM2835_REG(BCM2835_GPIO_GPLEV0) & bitmask);
}
rtems_status_code rtems_gpio_bsp_set(uint32_t bank, uint32_t pin)
{
BCM2835_REG(BCM2835_GPIO_GPSET0) = (1 << pin);
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_gpio_bsp_clear(uint32_t bank, uint32_t pin)
{
BCM2835_REG(BCM2835_GPIO_GPCLR0) = (1 << pin);
return RTEMS_SUCCESSFUL;
}
uint32_t rtems_gpio_bsp_get_value(uint32_t bank, uint32_t pin)
{
return (BCM2835_REG(BCM2835_GPIO_GPLEV0) & (1 << pin));
}
rtems_status_code rtems_gpio_bsp_select_input(
uint32_t bank,
uint32_t pin,
void *bsp_specific
) {
return rpi_select_pin_function(bank, pin, RPI_DIGITAL_IN);
}
rtems_status_code rtems_gpio_bsp_select_output(
uint32_t bank,
uint32_t pin,
void *bsp_specific
) {
return rpi_select_pin_function(bank, pin, RPI_DIGITAL_OUT);
}
rtems_status_code rtems_gpio_bsp_select_specific_io(
uint32_t bank,
uint32_t pin,
uint32_t function,
void *pin_data
) {
return rpi_select_pin_function(bank, pin, function);
}
rtems_status_code rtems_gpio_bsp_set_resistor_mode(
uint32_t bank,
uint32_t pin,
rtems_gpio_pull_mode mode
) {
/* Set control signal. */
switch ( mode ) {
case PULL_UP:
BCM2835_REG(BCM2835_GPIO_GPPUD) = (1 << 1);
break;
case PULL_DOWN:
BCM2835_REG(BCM2835_GPIO_GPPUD) = (1 << 0);
break;
case NO_PULL_RESISTOR:
BCM2835_REG(BCM2835_GPIO_GPPUD) = 0;
break;
default:
return RTEMS_UNSATISFIED;
}
/* Wait 150 cyles, as per BCM2835 documentation. */
arm_delay(150);
/* Setup clock for the control signal. */
BCM2835_REG(BCM2835_GPIO_GPPUDCLK0) = (1 << pin);
arm_delay(150);
/* Remove the control signal. */
BCM2835_REG(BCM2835_GPIO_GPPUD) = 0;
/* Remove the clock. */
BCM2835_REG(BCM2835_GPIO_GPPUDCLK0) = 0;
return RTEMS_SUCCESSFUL;
}
rtems_vector_number rtems_gpio_bsp_get_vector(uint32_t bank)
{
return BCM2835_IRQ_ID_GPIO_0;
}
uint32_t rtems_gpio_bsp_interrupt_line(rtems_vector_number vector)
{
uint32_t event_status;
/* Retrieve the interrupt event status. */
event_status = BCM2835_REG(BCM2835_GPIO_GPEDS0);
/* Clear the interrupt line. */
BCM2835_REG(BCM2835_GPIO_GPEDS0) = event_status;
return event_status;
}
rtems_status_code rtems_gpio_bsp_enable_interrupt(
uint32_t bank,
uint32_t pin,
rtems_gpio_interrupt interrupt
) {
switch ( interrupt ) {
case FALLING_EDGE:
/* Enables asynchronous falling edge detection. */
BCM2835_REG(BCM2835_GPIO_GPAFEN0) |= (1 << pin);
break;
case RISING_EDGE:
/* Enables asynchronous rising edge detection. */
BCM2835_REG(BCM2835_GPIO_GPAREN0) |= (1 << pin);
break;
case BOTH_EDGES:
/* Enables asynchronous falling edge detection. */
BCM2835_REG(BCM2835_GPIO_GPAFEN0) |= (1 << pin);
/* Enables asynchronous rising edge detection. */
BCM2835_REG(BCM2835_GPIO_GPAREN0) |= (1 << pin);
break;
case LOW_LEVEL:
/* Enables pin low level detection. */
BCM2835_REG(BCM2835_GPIO_GPLEN0) |= (1 << pin);
break;
case HIGH_LEVEL:
/* Enables pin high level detection. */
BCM2835_REG(BCM2835_GPIO_GPHEN0) |= (1 << pin);
break;
case BOTH_LEVELS:
/* Enables pin low level detection. */
BCM2835_REG(BCM2835_GPIO_GPLEN0) |= (1 << pin);
/* Enables pin high level detection. */
BCM2835_REG(BCM2835_GPIO_GPHEN0) |= (1 << pin);
break;
case NONE:
default:
return RTEMS_UNSATISFIED;
}
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_gpio_bsp_disable_interrupt(
uint32_t bank,
uint32_t pin,
rtems_gpio_interrupt interrupt
) {
switch ( interrupt ) {
case FALLING_EDGE:
/* Disables asynchronous falling edge detection. */
BCM2835_REG(BCM2835_GPIO_GPAFEN0) &= ~(1 << pin);
break;
case RISING_EDGE:
/* Disables asynchronous rising edge detection. */
BCM2835_REG(BCM2835_GPIO_GPAREN0) &= ~(1 << pin);
break;
case BOTH_EDGES:
/* Disables asynchronous falling edge detection. */
BCM2835_REG(BCM2835_GPIO_GPAFEN0) &= ~(1 << pin);
/* Disables asynchronous rising edge detection. */
BCM2835_REG(BCM2835_GPIO_GPAREN0) &= ~(1 << pin);
break;
case LOW_LEVEL:
/* Disables pin low level detection. */
BCM2835_REG(BCM2835_GPIO_GPLEN0) &= ~(1 << pin);
break;
case HIGH_LEVEL:
/* Disables pin high level detection. */
BCM2835_REG(BCM2835_GPIO_GPHEN0) &= ~(1 << pin);
break;
case BOTH_LEVELS:
/* Disables pin low level detection. */
BCM2835_REG(BCM2835_GPIO_GPLEN0) &= ~(1 << pin);
/* Disables pin high level detection. */
BCM2835_REG(BCM2835_GPIO_GPHEN0) &= ~(1 << pin);
break;
case NONE:
default:
return RTEMS_UNSATISFIED;
}
return RTEMS_SUCCESSFUL;
}
rtems_status_code rpi_gpio_select_jtag(void)
{
return rtems_gpio_multi_select(jtag_config, JTAG_PIN_COUNT);
}
rtems_status_code rpi_gpio_select_spi(void)
{
return rtems_gpio_multi_select(spi_config, SPI_PIN_COUNT);
}
rtems_status_code rpi_gpio_select_i2c(void)
{
return rtems_gpio_multi_select(i2c_config, I2C_PIN_COUNT);
}
rtems_status_code rtems_gpio_bsp_multi_select(
rtems_gpio_multiple_pin_select *pins,
uint32_t pin_count,
uint32_t select_bank
) {
uint32_t register_address;
uint32_t select_register;
uint8_t i;
register_address = BCM2835_GPIO_REGS_BASE + (select_bank * 0x04);
select_register = BCM2835_REG(register_address);
for ( i = 0; i < pin_count; ++i ) {
if ( pins[i].function == DIGITAL_INPUT ) {
select_register &=
~SELECT_PIN_FUNCTION(RPI_DIGITAL_IN, pins[i].pin_number);
}
else if ( pins[i].function == DIGITAL_OUTPUT ) {
select_register |=
SELECT_PIN_FUNCTION(RPI_DIGITAL_OUT, pins[i].pin_number);
}
else { /* BSP_SPECIFIC function. */
select_register |=
SELECT_PIN_FUNCTION(pins[i].io_function, pins[i].pin_number);
}
}
BCM2835_REG(register_address) = select_register;
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_gpio_bsp_specific_group_operation(
uint32_t bank,
uint32_t *pins,
uint32_t pin_count,
void *arg
) {
return RTEMS_NOT_DEFINED;
}

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bsps/arm/raspberrypi/start/mailbox.c Normal file
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/**
* @file
*
* @ingroup raspberrypi
*
* @brief mailbox support.
*/
/*
* Copyright (c) 2015 Yang Qiao
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.rtems.org/license/LICENSE
*
*/
#include <stdint.h>
#include <stdbool.h>
#include <bsp.h>
#include <bsp/raspberrypi.h>
#include <bsp/mailbox.h>
#define BCM2835_MBOX_DATA_MASK( data ) ( data & 0xFFFFFFF0U )
#define BCM2835_MBOX_CHANNEL_MASK( data ) ( data & 0xFU )
static inline bool bcm2835_mailbox_is_empty( void )
{
return ( BCM2835_REG( BCM2835_MBOX_STATUS ) & BCM2835_MBOX_EMPTY );
}
static inline bool bcm2835_mailbox_is_full( void )
{
return ( BCM2835_REG( BCM2835_MBOX_STATUS ) & BCM2835_MBOX_FULL );
}
unsigned int raspberrypi_mailbox_read( unsigned int channel )
{
unsigned int raw;
unsigned int read_channel;
while ( 1 ) {
while ( bcm2835_mailbox_is_empty() ) ;
raw = BCM2835_REG( BCM2835_MBOX_READ );
read_channel = BCM2835_MBOX_CHANNEL_MASK( raw );
if ( read_channel == channel )
return BCM2835_MBOX_DATA_MASK( raw );
}
}
void raspberrypi_mailbox_write(
unsigned int channel,
unsigned int data
)
{
while ( bcm2835_mailbox_is_full() ) ;
BCM2835_REG( BCM2835_MBOX_WRITE ) =
BCM2835_MBOX_DATA_MASK( data ) |
BCM2835_MBOX_CHANNEL_MASK( channel );
}

48
bsps/arm/raspberrypi/start/timer.c Normal file
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/**
* @file
*
* @ingroup raspberrypi
*
* @brief Benchmark timer support.
*/
/*
* Copyright (c) 2013 by Alan Cudmore
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.rtems.org/license/LICENSE
*
*/
#include <bsp.h>
#include <rtems.h>
#include <rtems/btimer.h>
#include <bsp/raspberrypi.h>
static bool benchmark_timer_find_average_overhead = false;
static uint64_t benchmark_timer_base;
void benchmark_timer_initialize( void )
{
benchmark_timer_base = BCM2835_REG( BCM2835_GPU_TIMER_CLO );
}
benchmark_timer_t benchmark_timer_read( void )
{
uint32_t delta = BCM2835_REG( BCM2835_GPU_TIMER_CLO ) - benchmark_timer_base;
if ( benchmark_timer_find_average_overhead ) {
return delta;
} else {
return BCM2835_REG( BCM2835_GPU_TIMER_CLO );
}
}
void benchmark_timer_disable_subtracting_average_overhead(
bool find_average_overhead )
{
benchmark_timer_find_average_overhead = find_average_overhead;
}

487
bsps/arm/raspberrypi/start/vc.c Normal file
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/**
* @file
*
* @ingroup raspberrypi_vc
*
* @brief video core support.
*
*/
/*
* Copyright (c) 2015 Yang Qiao
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.rtems.org/license/LICENSE
*
*/
#include <pthread.h>
#include <bsp.h>
#include <bsp/raspberrypi.h>
#include <bsp/mailbox.h>
#include <bsp/vc.h>
#include <libcpu/arm-cp15.h>
#include "vc_defines.h"
#if ( RPI_L2_CACHE_ENABLE == 1 )
#define BCM2835_VC_MEMORY_MAPPING 0x40000000
#else
#define BCM2835_VC_MEMORY_MAPPING 0xC0000000
#endif
#define BCM2835_VC_MEMORY_MAPPING_MASK 0x3fffffff
static inline bool bcm2835_mailbox_buffer_suceeded(
const bcm2835_mbox_buf_hdr *hdr )
{
RTEMS_COMPILER_MEMORY_BARRIER();
return ( hdr->buf_code == BCM2835_MBOX_BUF_CODE_REQUEST_SUCCEED );
}
static inline int bcm2835_mailbox_send_read_buffer( void *buf )
{
RTEMS_COMPILER_MEMORY_BARRIER();
raspberrypi_mailbox_write( BCM2835_MBOX_CHANNEL_PROP_AVC,
(unsigned int) buf + BCM2835_VC_MEMORY_MAPPING );
raspberrypi_mailbox_read( BCM2835_MBOX_CHANNEL_PROP_AVC );
RTEMS_COMPILER_MEMORY_BARRIER();
return 0;
}
/*
* When cache is enabled then content of buffer exchanged
* with VideoCore has to be propagated through ARM11/Cortex-A7
* caches
*/
static inline void bcm2835_mailbox_buffer_flush_and_invalidate(
void *buf,
size_t size
)
{
rtems_cache_flush_multiple_data_lines( buf, size );
rtems_cache_invalidate_multiple_data_lines( buf, size );
}
#define BCM2835_MBOX_VAL_LENGTH_MASK( _val_len ) \
( _val_len & ( ~BCM2835_MBOX_TAG_VAL_LEN_RESPONSE ) )
int bcm2835_mailbox_get_display_size(
bcm2835_get_display_size_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_display_size get_display_size;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_display_size,
BCM2835_MAILBOX_TAG_GET_DISPLAY_SIZE );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->width = buffer.get_display_size.body.resp.width;
_entries->height = buffer.get_display_size.body.resp.height;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
if ( !BCM2835_MBOX_TAG_REPLY_IS_SET( &buffer.get_display_size ) )
return -3;
return 0;
}
int bcm2835_mailbox_init_frame_buffer(
bcm2835_init_frame_buffer_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_display_size set_display_size;
bcm2835_mbox_tag_virtual_size set_virtual_size;
bcm2835_mbox_tag_depth set_depth;
bcm2835_mbox_tag_pixel_order set_pixel_order;
bcm2835_mbox_tag_alpha_mode set_alpha_mode;
bcm2835_mbox_tag_virtual_offset set_virtual_offset;
bcm2835_mbox_tag_overscan set_overscan;
bcm2835_mbox_tag_allocate_buffer allocate_buffer;
bcm2835_mbox_tag_get_pitch get_pitch;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG( &buffer.set_display_size,
BCM2835_MAILBOX_TAG_SET_DISPLAY_SIZE );
buffer.set_display_size.body.req.width = _entries->xres;
buffer.set_display_size.body.req.height = _entries->yres;
BCM2835_MBOX_INIT_TAG( &buffer.set_virtual_size,
BCM2835_MAILBOX_TAG_SET_VIRTUAL_SIZE );
buffer.set_virtual_size.body.req.vwidth = _entries->xvirt;
buffer.set_virtual_size.body.req.vheight = _entries->yvirt;
BCM2835_MBOX_INIT_TAG( &buffer.set_depth,
BCM2835_MAILBOX_TAG_SET_DEPTH );
buffer.set_depth.body.req.depth = _entries->depth;
BCM2835_MBOX_INIT_TAG( &buffer.set_pixel_order,
BCM2835_MAILBOX_TAG_SET_PIXEL_ORDER );
buffer.set_pixel_order.body.req.pixel_order = _entries->pixel_order;
BCM2835_MBOX_INIT_TAG( &buffer.set_alpha_mode,
BCM2835_MAILBOX_TAG_SET_ALPHA_MODE );
buffer.set_alpha_mode.body.req.alpha_mode = _entries->alpha_mode;
BCM2835_MBOX_INIT_TAG( &buffer.set_virtual_offset,
BCM2835_MAILBOX_TAG_SET_VIRTUAL_OFFSET );
buffer.set_virtual_offset.body.req.voffset_x = _entries->voffset_x;
buffer.set_virtual_offset.body.req.voffset_x = _entries->voffset_y;
BCM2835_MBOX_INIT_TAG( &buffer.set_overscan,
BCM2835_MAILBOX_TAG_SET_OVERSCAN );
buffer.set_overscan.body.req.overscan_top = _entries->overscan_top;
buffer.set_overscan.body.req.overscan_bottom = _entries->overscan_bottom;
buffer.set_overscan.body.req.overscan_left = _entries->overscan_left;
buffer.set_overscan.body.req.overscan_right = _entries->overscan_right;
BCM2835_MBOX_INIT_TAG( &buffer.allocate_buffer,
BCM2835_MAILBOX_TAG_ALLOCATE_BUFFER );
buffer.allocate_buffer.body.req.align = 0x100;
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_pitch,
BCM2835_MAILBOX_TAG_GET_PITCH );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->xres = buffer.set_display_size.body.resp.width;
_entries->yres = buffer.set_display_size.body.resp.height;
_entries->xvirt = buffer.set_virtual_size.body.resp.vwidth;
_entries->yvirt = buffer.set_virtual_size.body.resp.vheight;
_entries->depth = buffer.set_depth.body.resp.depth;
_entries->base = buffer.allocate_buffer.body.resp.base;
_entries->base &= BCM2835_VC_MEMORY_MAPPING_MASK;
_entries->size = buffer.allocate_buffer.body.resp.size;
_entries->pixel_order = buffer.set_pixel_order.body.resp.pixel_order;
_entries->alpha_mode = buffer.set_alpha_mode.body.resp.alpha_mode;
_entries->voffset_x = buffer.set_virtual_offset.body.resp.voffset_x;
_entries->voffset_y = buffer.set_virtual_offset.body.resp.voffset_y;
_entries->overscan_left = buffer.set_overscan.body.resp.overscan_left;
_entries->overscan_right = buffer.set_overscan.body.resp.overscan_right;
_entries->overscan_top = buffer.set_overscan.body.resp.overscan_top;
_entries->overscan_bottom = buffer.set_overscan.body.resp.overscan_bottom;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
if ( !BCM2835_MBOX_TAG_REPLY_IS_SET( &buffer.allocate_buffer ) )
return -3;
if ( _entries->base < 0x100000 )
return -4;
return 0;
}
int bcm2835_mailbox_get_pitch( bcm2835_get_pitch_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_pitch get_pitch;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_pitch,
BCM2835_MAILBOX_TAG_GET_PITCH );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->pitch = buffer.get_pitch.body.resp.pitch;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
if ( !BCM2835_MBOX_TAG_REPLY_IS_SET( &buffer.get_pitch ) )
return -3;
return 0;
}
int bcm2835_mailbox_get_cmdline( bcm2835_get_cmdline_entries *_entries )
{
int i;
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_cmd_line get_cmd_line;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_cmd_line,
BCM2835_MAILBOX_TAG_GET_CMD_LINE );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
for ( i = 0;
i < BCM2835_MBOX_VAL_LENGTH_MASK( buffer.get_cmd_line.tag_hdr.val_len );
++i ) {
_entries->cmdline[ i ] = buffer.get_cmd_line.body.resp.cmdline[ i ];
}
_entries->cmdline[ i ] = '\0';
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
if ( !BCM2835_MBOX_TAG_REPLY_IS_SET( &buffer.get_cmd_line ) )
return -3;
return 0;
}
int bcm2835_mailbox_get_power_state( bcm2835_set_power_state_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_power_state get_power_state;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG( &buffer.get_power_state,
BCM2835_MAILBOX_TAG_GET_POWER_STATE );
buffer.get_power_state.body.req.dev_id = _entries->dev_id;
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( &buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->dev_id = buffer.get_power_state.body.resp.dev_id;
_entries->state = buffer.get_power_state.body.resp.state;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
return 0;
}
int bcm2835_mailbox_set_power_state( bcm2835_set_power_state_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_power_state set_power_state;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG( &buffer.set_power_state,
BCM2835_MAILBOX_TAG_SET_POWER_STATE );
buffer.set_power_state.body.req.dev_id = _entries->dev_id;
buffer.set_power_state.body.req.state = _entries->state;
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->dev_id = buffer.set_power_state.body.resp.dev_id;
_entries->state = buffer.set_power_state.body.resp.state;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
return 0;
}
int bcm2835_mailbox_get_arm_memory( bcm2835_get_arm_memory_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_arm_memory get_arm_memory;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_arm_memory,
BCM2835_MAILBOX_TAG_GET_ARM_MEMORY );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->base = buffer.get_arm_memory.body.resp.base;
_entries->size = buffer.get_arm_memory.body.resp.size;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
if ( !BCM2835_MBOX_TAG_REPLY_IS_SET( &buffer.get_arm_memory ) )
return -3;
return 0;
}
int bcm2835_mailbox_get_vc_memory( bcm2835_get_vc_memory_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_vc_memory get_vc_memory;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_vc_memory,
BCM2835_MAILBOX_TAG_GET_VC_MEMORY );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->base = buffer.get_vc_memory.body.resp.base;
_entries->size = buffer.get_vc_memory.body.resp.size;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
if ( !BCM2835_MBOX_TAG_REPLY_IS_SET( &buffer.get_vc_memory ) )
return -3;
return 0;
}
int bcm2835_mailbox_get_firmware_revision(
bcm2835_mailbox_get_fw_rev_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_fw_rev get_fw_rev;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_fw_rev,
BCM2835_MAILBOX_TAG_FIRMWARE_REVISION );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->fw_rev = buffer.get_fw_rev.body.resp.rev;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
if ( !BCM2835_MBOX_TAG_REPLY_IS_SET( &buffer.get_fw_rev ) )
return -3;
return 0;
}
int bcm2835_mailbox_get_board_model( bcm2835_get_board_spec_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_board_spec get_board_model;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_board_model,
BCM2835_MAILBOX_TAG_GET_BOARD_MODEL );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->spec = buffer.get_board_model.body.resp.spec;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
if ( !BCM2835_MBOX_TAG_REPLY_IS_SET( &buffer.get_board_model ) )
return -3;
return 0;
}
int bcm2835_mailbox_get_board_revision(
bcm2835_get_board_spec_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_board_spec get_board_revision;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_board_revision,
BCM2835_MAILBOX_TAG_GET_BOARD_VERSION );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->spec = buffer.get_board_revision.body.resp.spec;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
if ( !BCM2835_MBOX_TAG_REPLY_IS_SET( &buffer.get_board_revision ) )
return -3;
return 0;
}
int bcm2835_mailbox_get_board_serial(
bcm2835_get_board_serial_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_board_serial get_board_serial;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_board_serial,
BCM2835_MAILBOX_TAG_GET_BOARD_SERIAL );
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( &buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->board_serial = buffer.get_board_serial.body.resp.board_serial;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
return 0;
}
int bcm2835_mailbox_get_clock_rate(
bcm2835_get_clock_rate_entries *_entries )
{
struct BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE {
bcm2835_mbox_buf_hdr hdr;
bcm2835_mbox_tag_get_clock_rate get_clock_rate;
uint32_t end_tag;
uint32_t padding_reserve[16];
} buffer;
BCM2835_MBOX_INIT_BUF( &buffer );
BCM2835_MBOX_INIT_TAG_NO_REQ( &buffer.get_clock_rate,
BCM2835_MAILBOX_TAG_GET_CLOCK_RATE );
buffer.get_clock_rate.body.req.clock_id = _entries->clock_id;
bcm2835_mailbox_buffer_flush_and_invalidate( &buffer, sizeof( &buffer ) );
if ( bcm2835_mailbox_send_read_buffer( &buffer ) )
return -1;
_entries->clock_id = buffer.get_clock_rate.body.resp.clock_id;
_entries->clock_rate = buffer.get_clock_rate.body.resp.clock_rate;
if ( !bcm2835_mailbox_buffer_suceeded( &buffer.hdr ) )
return -2;
return 0;
}

518
bsps/arm/raspberrypi/start/vc_defines.h Normal file
View File

@@ -0,0 +1,518 @@
/**
* @file
*
* @ingroup raspberrypi_vc
*
* @brief video core support.
*
*/
/*
* Copyright (c) 2015 Yang Qiao
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.rtems.org/license/LICENSE
*
*/
#ifndef LIBBSP_ARM_RASPBERRYPI_VC_DEFINES_H
#define LIBBSP_ARM_RASPBERRYPI_VC_DEFINES_H
#include <string.h>
/**
* @defgroup raspberrypi_vc Register Definitions
*
* @ingroup arm_raspberrypi
*
* @brief Register Definitions
*
* @{
*/
/**
* @name Mailbox Property tags (ARM <-> VC)
*
* @{
*/
#define BCM2835_MBOX_BUF_CODE_PROCESS_REQUEST 0x00000000
#define BCM2835_MBOX_BUF_CODE_REQUEST_SUCCEED 0x80000000
#define BCM2835_MBOX_BUF_CODE_REQUEST_PARSING_ERROR 0x80000001
#define BCM2835_MBOX_TAG_VAL_LEN_REQUEST 0x00000000
#define BCM2835_MBOX_TAG_VAL_LEN_RESPONSE 0x80000000
/**
* @brief Buffer Header
*
* All message buffers should start with this header, called 'hdr'.
* Then it should be followed by a list of tags.
* An additional empty tag should be added at the end, called 'end_tag'
*
*/
typedef struct {
/**
* @brief Buffer Size
*
* The size of whole structure including the header(size and code),
* tags, end tag and padding.
*/
uint32_t buf_size;
/**
* @brief Buffer Code
*
* The code indicate the status of operation.
* Use function BCM2835_MAILBOX_BUFFER_IS_SUCCEED(bcm2835_mailbox_buffer*)
* to check if the operation is succeed
*/
uint32_t buf_code;
} bcm2835_mbox_buf_hdr;
/**
* @brief Tag Header
*
* Tag is used for getting/testing/setting an property.
* All tags should start with this header.
* Then it should be followed by a data buffer for request and response.
*
*/
typedef struct {
/**
* @brief Property Tag ID
*/
uint32_t tag;
/**
* @brief The size of request qnd responce buffer
*/
uint32_t val_buf_size;
/**
* @brief The size of response buffer set by videocore.
*
* upper bit reserved for request/response indicator
*/
uint32_t val_len;
} bcm2835_mbox_tag_hdr;
#define BCM2835_MBOX_TAG_REPLY_IS_SET( _t_ ) \
( ( _t_ )->tag_hdr.val_len & 0x80000000 )
#define BCM2835_MBOX_INIT_BUF( _m_ ) { \
memset( ( _m_ ), 0, sizeof( *( _m_ ) ) ); \
( _m_ )->hdr.buf_size = (void *)&(( _m_ )->end_tag) + 4 - (void *)( _m_ ); \
( _m_ )->hdr.buf_code = BCM2835_MBOX_BUF_CODE_PROCESS_REQUEST; \
( _m_ )->end_tag = 0; \
}
#define BCM2835_MBOX_INIT_TAG( _t_, _id_ ) { \
( _t_ )->tag_hdr.tag = _id_; \
( _t_ )->tag_hdr.val_buf_size = sizeof( ( _t_ )->body ); \
( _t_ )->tag_hdr.val_len = sizeof( ( _t_ )->body.req ); \
}
#define BCM2835_MBOX_INIT_TAG_NO_REQ( _t_, _id_ ) { \
( _t_ )->tag_hdr.tag = _id_; \
( _t_ )->tag_hdr.val_buf_size = sizeof( ( _t_ )->body ); \
( _t_ )->tag_hdr.val_len = 0; \
}
/*
* Mailbox buffers has to be aligned to 16 bytes because
* 4 LSB bits of the BCM2835_MBOX_WRITE and BCM2835_MBOX_READ
* registers are used to pass channel number.
*
* But there is another requirement for buffer allocation
* as well when interface is called after cache is enabled.
* The buffer should not share cache line with another variable
* which can be updated during data exchange with VideoCore.
* If cache is filled to satisfy another variable update
* during VideoCore output is stored into main memory then
* part of received data can be lost.
*
* Cache line length is 64 bytes for RPi2 Cortex-A7 data cache
* so align buffers to this value.
*/
#define BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE __attribute__( ( aligned( 64 ) ) )
/* Video Core */
#define BCM2835_MAILBOX_TAG_FIRMWARE_REVISION 0x00000001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t rev;
} resp;
} body;
} bcm2835_mbox_tag_get_fw_rev;
/* Hardware */
#define BCM2835_MAILBOX_TAG_GET_BOARD_MODEL 0x00010001
#define BCM2835_MAILBOX_TAG_GET_BOARD_VERSION 0x00010002
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t spec;
} resp;
} body;
} bcm2835_mbox_tag_get_board_spec;
#if (BSP_IS_RPI2 == 1)
#define BCM2836_MAILBOX_BOARD_V_2_B 0x4
#else
#define BCM2835_MAILBOX_BOARD_V_B_I2C0_2 0x2
#define BCM2835_MAILBOX_BOARD_V_B_I2C0_3 0x3
#define BCM2835_MAILBOX_BOARD_V_B_I2C1_4 0x4
#define BCM2835_MAILBOX_BOARD_V_B_I2C1_5 0x5
#define BCM2835_MAILBOX_BOARD_V_B_I2C1_6 0x6
#define BCM2835_MAILBOX_BOARD_V_A_7 0x7
#define BCM2835_MAILBOX_BOARD_V_A_8 0x8
#define BCM2835_MAILBOX_BOARD_V_A_9 0x9
#define BCM2835_MAILBOX_BOARD_V_B_REV2_d 0xd
#define BCM2835_MAILBOX_BOARD_V_B_REV2_e 0xe
#define BCM2835_MAILBOX_BOARD_V_B_REV2_f 0xf
#define BCM2835_MAILBOX_BOARD_V_B_PLUS 0x10
#define BCM2835_MAILBOX_BOARD_V_CM 0x11
#define BCM2835_MAILBOX_BOARD_V_A_PLUS 0x12
#endif
#define BCM2835_MAILBOX_TAG_GET_BOARD_MAC 0x00010003
#define BCM2835_MAILBOX_TAG_GET_BOARD_SERIAL 0x00010004
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint64_t board_serial;
} resp;
} body;
} bcm2835_mbox_tag_get_board_serial;
#define BCM2835_MAILBOX_TAG_GET_ARM_MEMORY 0x00010005
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t base;
uint32_t size;
} resp;
} body;
} bcm2835_mbox_tag_get_arm_memory;
#define BCM2835_MAILBOX_TAG_GET_VC_MEMORY 0x00010006
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t base;
uint32_t size;
} resp;
} body;
} bcm2835_mbox_tag_get_vc_memory;
#define BCM2835_MAILBOX_TAG_GET_CLOCKS 0x00010007
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
} req;
struct {
uint32_t clock_id;
uint32_t clock_rate;
} resp;
} body;
} bcm2835_mbox_tag_get_clock_rate;
/* Config */
#define BCM2835_MAILBOX_TAG_GET_CMD_LINE 0x00050001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint8_t cmdline[ 1024 ];
} resp;
} body;
} bcm2835_mbox_tag_get_cmd_line;
/* Shared resource management */
#define BCM2835_MAILBOX_TAG_GET_DMA_CHANNELS 0x00060001
/* Power */
#define BCM2835_MAILBOX_POWER_UDID_SD_Card 0x00000000
#define BCM2835_MAILBOX_POWER_UDID_UART0 0x00000001
#define BCM2835_MAILBOX_POWER_UDID_UART1 0x00000002
#define BCM2835_MAILBOX_POWER_UDID_USB_HCD 0x00000003
#define BCM2835_MAILBOX_POWER_UDID_I2C0 0x00000004
#define BCM2835_MAILBOX_POWER_UDID_I2C1 0x00000005
#define BCM2835_MAILBOX_POWER_UDID_I2C2 0x00000006
#define BCM2835_MAILBOX_POWER_UDID_SPI 0x00000007
#define BCM2835_MAILBOX_POWER_UDID_CCP2TX 0x00000008
#define BCM2835_MAILBOX_TAG_GET_POWER_STATE 0x00020001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t dev_id;
} req;
struct {
uint32_t dev_id;
uint32_t state;
} resp;
} body;
} bcm2835_mbox_tag_get_power_state;
#define BCM2835_MAILBOX_POWER_STATE_RESP_ON (1 << 0)
#define BCM2835_MAILBOX_POWER_STATE_RESP_NODEV (1 << 1)
#define BCM2835_MAILBOX_TAG_GET_TIMING 0x00020002
#define BCM2835_MAILBOX_TAG_SET_POWER_STATE 0x00028001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t dev_id;
uint32_t state;
} req;
struct {
uint32_t dev_id;
uint32_t state;
} resp;
} body;
} bcm2835_mbox_tag_power_state;
#ifndef BCM2835_MAILBOX_SET_POWER_STATE_REQ_ON
/* Value is defined as a part of public VideoCore API */
#define BCM2835_MAILBOX_SET_POWER_STATE_REQ_ON (1 << 0)
#define BCM2835_MAILBOX_SET_POWER_STATE_REQ_WAIT (1 << 1)
#endif
/* Clocks */
#define BCM2835_MAILBOX_UCID_CLOCK_RESERVED 0x000000000
#define BCM2835_MAILBOX_UCID_CLOCK_EMMC 0x000000001
#define BCM2835_MAILBOX_UCID_CLOCK_UART 0x000000002
#define BCM2835_MAILBOX_UCID_CLOCK_ARM 0x000000003
#define BCM2835_MAILBOX_UCID_CLOCK_CORE 0x000000004
#define BCM2835_MAILBOX_UCID_CLOCK_V3D 0x000000005
#define BCM2835_MAILBOX_UCID_CLOCK_H264 0x000000006
#define BCM2835_MAILBOX_UCID_CLOCK_ISP 0x000000007
#define BCM2835_MAILBOX_UCID_CLOCK_SDRAM 0x000000008
#define BCM2835_MAILBOX_UCID_CLOCK_PIXEL 0x000000009
#define BCM2835_MAILBOX_UCID_CLOCK_PWM 0x00000000a
#define BCM2835_MAILBOX_TAG_GET_CLOCK_STATE 0x00030001
#define BCM2835_MAILBOX_TAG_SET_CLOCK_STATE 0x00038001
#define BCM2835_MAILBOX_TAG_GET_CLOCK_RATE 0x00030002
#define BCM2835_MAILBOX_TAG_SET_CLOCK_RATE 0x00038002
#define BCM2835_MAILBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004
#define BCM2835_MAILBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007
#define BCM2835_MAILBOX_TAG_GET_TRUBO 0x00030009
#define BCM2835_MAILBOX_TAG_SET_TURBO 0x00038009
#define BCM2835_MAILBOX_TAG_GET_DOMAIN_STATE 0x00030030
#define BCM2835_MAILBOX_TAG_SET_DOMAIN_STATE 0x00038030
/* Voltage */
#define BCM2835_MAILBOX_VOLTAGE_RESERVED_UVID 0x000000000
#define BCM2835_MAILBOX_VOLTAGE_CORE_UVID 0x000000001
#define BCM2835_MAILBOX_VOLTAGE_SDRAM_C_UVID 0x000000002
#define BCM2835_MAILBOX_VOLTAGE_SDRAM_P_UVID 0x000000003
#define BCM2835_MAILBOX_VOLTAGE_SDRAM_I_UVID 0x000000004
#define BCM2835_MAILBOX_TAG_GET_VOLTAGE 0x00030003
#define BCM2835_MAILBOX_TAG_SET_VOLTAGE 0x00038003
#define BCM2835_MAILBOX_TAG_GET_MAX_VOLTAGE 0x00030005
#define BCM2835_MAILBOX_TAG_GET_MIN_VOLTAGE 0x00030008
#define BCM2835_MAILBOX_TAG_GET_TEMPERATURE 0x00030006
#define BCM2835_MAILBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a
/* Memory */
#define BCM2835_MAILBOX_TAG_ALLOCATE_MEMORY 0x0003000c
#define BCM2835_MAILBOX_TAG_LOCK_MEMORY 0x0003000d
#define BCM2835_MAILBOX_TAG_UNLOCK_MEMORY 0x0003000e
#define BCM2835_MAILBOX_TAG_RELEASE_MEMORY 0x0003000f
#define BCM2835_MAILBOX_TAG_EXECUTE_CODE 0x00030010
#define BCM2835_MAILBOX_TAG_GET_DISPMANX_RESOURCE_MEM_HANDLE 0x00030014
#define BCM2835_MAILBOX_TAG_GET_EDID_BLOCK 0x00030020
/* Framebuffer */
#define BCM2835_MAILBOX_TAG_ALLOCATE_BUFFER 0x00040001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t align;
} req;
struct {
uint32_t base;
uint32_t size;
} resp;
} body;
} bcm2835_mbox_tag_allocate_buffer;
#define BCM2835_MAILBOX_TAG_RELEASE_BUFFER 0x00048001
#define BCM2835_MAILBOX_TAG_BLANK_SCREEN 0x00040002
#define BCM2835_MAILBOX_TAG_GET_DISPLAY_SIZE 0x00040003
#define BCM2835_MAILBOX_TAG_TEST_DISPLAY_SIZE 0x00044003
#define BCM2835_MAILBOX_TAG_SET_DISPLAY_SIZE 0x00048003
typedef 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;
} bcm2835_mbox_tag_display_size;
#define BCM2835_MAILBOX_TAG_GET_VIRTUAL_SIZE 0x00040004
#define BCM2835_MAILBOX_TAG_TEST_VIRTUAL_SIZE 0x00044004
#define BCM2835_MAILBOX_TAG_SET_VIRTUAL_SIZE 0x00048004
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t vwidth;
uint32_t vheight;
} req;
struct {
uint32_t vwidth;
uint32_t vheight;
} resp;
} body;
} bcm2835_mbox_tag_virtual_size;
#define BCM2835_MAILBOX_TAG_GET_DEPTH 0x00040005
#define BCM2835_MAILBOX_TAG_TEST_DEPTH 0x00044005
#define BCM2835_MAILBOX_TAG_SET_DEPTH 0x00048005
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t depth;
} req;
struct {
uint32_t depth;
} resp;
} body;
} bcm2835_mbox_tag_depth;
#define BCM2835_MAILBOX_TAG_GET_PIXEL_ORDER 0x00040006
#define BCM2835_MAILBOX_TAG_TEST_PIXEL_ORDER 0x00044006
#define BCM2835_MAILBOX_TAG_SET_PIXEL_ORDER 0x00048006
#define BCM2835_MAILBOX_PIXEL_ORDER_BGR 0
#define BCM2835_MAILBOX_PIXEL_ORDER_RGB 1
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t pixel_order;
} req;
struct {
uint32_t pixel_order;
} resp;
} body;
} bcm2835_mbox_tag_pixel_order;
#define BCM2835_MAILBOX_TAG_GET_ALPHA_MODE 0x00040007
#define BCM2835_MAILBOX_TAG_TEST_ALPHA_MODE 0x00044007
#define BCM2835_MAILBOX_TAG_SET_ALPHA_MODE 0x00048007
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t alpha_mode;
} req;
struct {
uint32_t alpha_mode;
} resp;
} body;
} bcm2835_mbox_tag_alpha_mode;
#define BCM2835_MAILBOX_ALPHA_MODE_0_OPAQUE 0
#define BCM2835_MAILBOX_ALPHA_MODE_0_TRANSPARENT 1
#define BCM2835_MAILBOX_ALPHA_MODE_IGNORED 2
#define BCM2835_MAILBOX_TAG_GET_PITCH 0x00040008
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t pitch;
} resp;
} body;
} bcm2835_mbox_tag_get_pitch;
#define BCM2835_MAILBOX_TAG_GET_VIRTUAL_OFFSET 0x00040009
#define BCM2835_MAILBOX_TAG_TEST_VIRTUAL_OFFSET 0x00044009
#define BCM2835_MAILBOX_TAG_SET_VIRTUAL_OFFSET 0x00048009
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voffset_x;
uint32_t voffset_y;
} req;
struct {
uint32_t voffset_x;
uint32_t voffset_y;
} resp;
} body;
} bcm2835_mbox_tag_virtual_offset;
#define BCM2835_MAILBOX_TAG_GET_OVERSCAN 0x0004000a
#define BCM2835_MAILBOX_TAG_TEST_OVERSCAN 0x0004400a
#define BCM2835_MAILBOX_TAG_SET_OVERSCAN 0x0004800a
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t overscan_top;
uint32_t overscan_bottom;
uint32_t overscan_left;
uint32_t overscan_right;
} req;
struct {
uint32_t overscan_top;
uint32_t overscan_bottom;
uint32_t overscan_left;
uint32_t overscan_right;
} resp;
} body;
} bcm2835_mbox_tag_overscan;
#define BCM2835_MAILBOX_TAG_GET_PALETTE 0x0004000b
#define BCM2835_MAILBOX_TAG_TEST_PALETTE 0x0004400b
#define BCM2835_MAILBOX_TAG_SET_PALETTE 0x0004800b
#define BCM2835_MAILBOX_TAG_SET_CURSOR_INFO 0x00008011
#define BCM2835_MAILBOX_TAG_SET_CURSOR_STATE 0x00008010
/** @} */
/** @} */
#endif /* LIBBSP_ARM_RASPBERRYPI_VC_DEFINES_H */