View source for Unit BCM2709

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=== Description ===
----

'''Ultibo BCM2709 interface unit'''

This unit provides the BCM2709 specific implementations of the following devices:

*SPI0
*I2C0
*I2C1
*SPI1
*SPI2
*I2C Slave
*SPI Slave
*DMA
*PWM0
*PWM1
*PCM
*GPIO
*UART0
*UART1
*SDHCI (eMMC)
 
*Clock
*ARM Timer
*Local Timer
*Random
*Mailbox
*Watchdog
*Framebuffer
  
*MIPI CSI-2 (Camera Serial Interface)
*DSI (Display Serial Interface)

'''BCM2709 SPI0 Device'''

The BCM2709 has a single master mode SPI controller that supports 3 wire, 2 wire and LoSSI modes of operation. It also has 2 auxiliary SPI masters which do not support DMA mode (see SPI1/2 below).
 
The main SPI0 controller supports polled, interrupt and DMA modes and includes 3 chip selects although only CS0 and 1 are available on the 26 or 40 pin header. 
 
By default SPI0 can appear on GPIO pins 7 to 11 (CS1, CS0, MISO, MOSI, SCLK) using alternate function 0 or on GPIO pins 35 to 39 (CS1, CS0, MISO, MOSI, SCLK) using alternate function 0, only pins 7 to 11 are available on the header.

'''BCM2709 I2C0/1 Device'''

The BCM2709 has 3 Broadcom Serial Controller (BSC) devices which are fast mode (400Kz) masters numbered BSC0, BSC1 and BSC2.
 
Device BSC2 is dedicated to the HDMI interface and is not availale for use by the ARM processor. All BSC devices contain a 16 byte FIFO, support 7 bit and 10 bit addressing and have software configurable clock timing.
 
By default BSC0 can appear on GPIO pins 0 and 1 (Alternate function 0), 28 and 29 (Alternate function 0) or 44 and 45 (Alternate function 1). Unfortunately on all except the Revision 1 models none of these pins are available on the 26 or 40 pin header.
 
Note: On the Raspberry Pi A+/B+/Zero/2B/3B the ID EEPROM pins on the 40 pin header are actually connected to GPIO 0 and 1 (BSC0)
 
Device BSC1 can appear on GPIO pins 2 and 3 (Alternate function 0) or 44 and 45 (Alternate function 2) but only pins 2 and 3 are exposed on the 26 or 40 pin header.

'''BCM2709 SPI1/2 Device'''

The BCM2709 has 2 additional SPI universal masters available as part of the AUX device which support interrupt mode but not DMA and therefore only allow limited bandwidth transfers due to the CPU overhead required to sustain high data rates.
 
Both devices support 3 chip selects, by default SPI1 is available on GPIO pins 16 to 21 (CS2, CS1, CS0, MISO, MOSI, SCLK) using alternate function 4 and SPI2 is available on GPIO pins 40 to 45 (MISO, MOSI, SCLK, CS0, CS1, CS2) using alternate function 4. Only pins 16 to 21 are available on the header and only on the 40 pin header of the Raspberry Pi A+/B+/Zero/2B/3B.

'''BCM2709 DMA Device'''

The DMA controller has 16 channels in total although not all are available for software to use as some are already used by the GPU.
 
The firmware will pass the value dma.dmachans on the command line which will indicate which channels are available for our use.
 
Channels 0 to 6 are normal channels which support 2D stride and transfers up to 1GB per control block
 
Channels 7 to 14 are Lite channels which do not support stride and only allow transfers up to 64KB per control block

Channel 15 is not mentioned in most documentation and is shown as not available in the mask passed in dma.dmachans
 
Channel 0 and 15 are Bulk channels which have an additional FIFO for faster transfers (8 beat burst per read)
 
'''BCM2709 PWM0/1 Device'''

The BCM2709 has a single PWM controller with 2 independent output bit streams with multiple algorithms for generating the output pulse. The PWM controller supports either a single data register (independent per channel) or a 16 x 32 FIFO which also supports DMA mode transmission.
 
On the Raspberry Pi PWM0 and PWM1 are also connected via GPIO pins 40 and 45 (40 and 41 on the Raspberry Pi 3B) to the audio circuit and allow playback of digital audio signals via the 3 or 4 pole line jack (depending on model). PWM0 is available on GPIO pins 12 (function 0), 18 (function 5), 40 (function 0) and 52 (function 1). PWM1 is available on GPIO pins 13 (function 0), 19 (function 5), 41, 45 (function 0) and 53 (function 1).
 
On the Raspberry Pi A and B only pin 18 is exposed on the 26 pin header.

On the Raspberry Pi A+/B+/Zero/2B/3B pins 12, 18 and 19 are exposed on the 40 pin header.

'''BCM2709 GPIO Device'''

The GPIO has 54 pins available each with multiple alternate functions. All pins can be configured as input or output and all can have pull up or down applied.
 
Not all pins are exposed on the 26 or 40 pin header of the Raspberry Pi, for details of which pins are available see:
 
Raspberry Pi A and B - https://www.raspberrypi.org/documentation/usage/gpio/README.md

Raspberry Pi A+/B+/2B/3B/Zero - https://www.raspberrypi.org/documentation/usage/gpio-plus-and-raspi2/README.md
 
Some of the 54 pins are used for peripheral communication (such as the SD card) and are not available for general use, take care when changing function selects on pins to avoid disabling certain system peripherals.
 
Event detection can be enabled for both high and low levels as well as rising and falling edges, there is also an asynchronous rising or falling edge detection which can detect edges of very short duration.
  
'''BCM2709 UART0 Device'''

The UART0 device is an ARM PL011 UART which supports programmable baud rates, start, stop and parity bits and hardware flow control and many others. The UART0 is similar to the industry standard 16C650 but with a number of differences, the PL011 has a some optional features such as IrDA, Serial InfraRed and DMA which are not supported by the Broadcom implementation. In the standard configuration the UART0 TX and RX lines are connected to GPIO pins 14 and 15 respectively (Alternate function 0) but they can be remapped via GPIO function selects to a number of other locations. On the Raspberry Pi (all models) none of these alternate pin mappings are exposed via the 26 or 40 pin header and therefore cannot be used easily. This means that UART0 and UART1 cannot be used at the same time.
 
On the Raspberry Pi 3B the UART0 can be mapped to GPIO pins 32 and 33 (Alternate function 3) to communicate with the built in Bluetooth module.

'''BCM2709 UART1 Device'''

The UART1 device is a Broadcom implementation that is part of the AUX device which also includes the SPI1 and SPI2 devices. This device is termed a Mini UART and has a smaller feature set than the PL011 UART but still supports a fairly standard communication protocol with programmable baud rate and hardware flow control.
 
The Mini UART is similar to the standard 16550 device but is missing some of the features, the device also has no DMA support so high speed transfers will produce a higher CPU load. In the standard configuration the UART1 TX and RX lines are connected to GPIO pins 14 and 15 respectively (Alternate function 5) but they can be remapped via GPIO function selects to a number of other locations. On the Raspberry Pi (all models) none of these alternate pin mappings are exposed via the 26 or 40 pin header and therefore cannot be used easily. This means that UART0 and UART1 cannot be used at the same time.
 
On the Raspberry Pi 3B the UART1 can be mapped to GPIO pins 32 and 33 (Alternate function 5) to communicate with the built in Bluetooth module.
 
'''BCM2709 SDHCI Device'''

The SDHCI controller on the BCM2709 is an Arasan SD Host controller.

The Card Detect pin is not connected.

The Write Protect pin is not connected.

'''BCM2709 Clock Device'''

The clock device in the BCM2709 is based on the System Timer which is a 64 bit free running counter that runs at 1MHz regardless of core or CPU clock speeds.
 
The System Timer includes 4 compare registers which can each generate an interrupt when the compare value is matched, however 2 of the 4 are consumed by the GPU and on the Raspberry Pi A/B/A+/B+/Zero the other 2 are used for the scheduler and clock interrupts in Ultibo. 
 
This device simply exposes the free running counter as a clock value and does not provide access to the timer compare functionality or to interrupt based events, for those see the timer devices below.
  
'''BCM2709 ARM Timer Device'''

The ARM Timer device in the BCM2709 is based on the ARM SP804 timer with some modifications and additions. In the Raspberry Pi  it is connected to the core clock which by default is 250MHz but was increased to 400MHz on the Raspberry Pi 3B.
 
The divider is 10 bits wide which means that the ARM Timer can be set to clock rates of between 250KHz and 250MHz (or 400KHz  to 400MHz on the Raspberry Pi 3B). Both the counter and the load/reload value are 32 bits wide by default giving a wide range of tick intervals.
  
The ARM Timer features a free running counter which is not enabled or used by this driver and a down counter which operates in wrapping mode so that each time it reaches 0 it triggers an interrupt and reloads the value from a load or reload register to begin counting again.

=== Constants ===
----


<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 SPI0 constants''' <code> BCM2709_SPI0_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_SPI0_DESCRIPTION = 'BCM2836 SPI0 Master';</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_SPI0_MAX_SIZE = $FFFF;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_SPI0_MIN_CLOCK = 3814;</code>
| Default minimum based on the default settings from the firmware (Recalculated during open)
|-
| <code>BCM2709_SPI0_MAX_CLOCK = 125000000;</code>
| Default maximum based on the default settings from the firmware (Recalculated during open)
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_SPI0_MIN_DIVIDER = 2;</code>
| Divider is always rounded down to an even number and a value of 0 sets the divider to 65536
|-
| <code>BCM2709_SPI0_MAX_DIVIDER = $FFFE;</code>
| Divider is always rounded down to an even number}
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_SPI0_CORE_CLOCK = 250000000;</code>
| Default core clock based on the default settings from the firmware (Requested from firmware during start)
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_SPI0_MODE_IRQ = 0;</code>
| &nbsp;
|-
| <code>BCM2709_SPI0_MODE_DMA = 1;</code>
| &nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 BSCI2C (BSC0/1/2) constants''' <code> BCM2709_BSCI2C_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_BSCI2C_MAX_SIZE = $FFFF;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_BSCI2C_MIN_CLOCK = 3814;</code>
| Default minimum based on the default settings from the firmware (Recalculated during open)
|-
| <code>BCM2709_BSCI2C_MAX_CLOCK = 125000000;</code>
| Default maximum based on the default settings from the firmware (Recalculated during open)
|-
| <code>BCM2709_BSCI2C_DEFAULT_CLOCK = 100000;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_BSCI2C_MIN_DIVIDER = 2;</code>
| Divider is always rounded down to an even number and a value of 0 sets the divider to 32768
|-
| <code>BCM2709_BSCI2C_MAX_DIVIDER = $FFFE;</code>
| Divider is always rounded down to an even number}
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_BSCI2C_CORE_CLOCK = 250000000;</code>
| Default core clock based on the default settings from the firmware (Requested from firmware during start)
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_BSCI2C_MODE_WRITE = 0;</code>
| &nbsp;
|-
| <code>BCM2709_BSCI2C_MODE_READ = 1;</code>
| &nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 I2C0 (BSC0) constants''' <code> BCM2709_I2C0_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_I2C0_DESCRIPTION = 'BCM2836 BSC0 Master I2C';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 I2C1 (BSC1) constants''' <code> BCM2709_I2C1_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_I2C1_DESCRIPTION = 'BCM2836 BSC1 Master I2C';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 SPI1 constants''' <code> BCM2709_SPI1_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_SPI1_DESCRIPTION = 'BCM2836 AUX SPI1 Master';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br /> 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 SPI2 constants''' <code> BCM2709_SPI2_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_SPI2_DESCRIPTION = 'BCM2836 AUX SPI2 Master';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 I2C slave constants''' <code> BCM2709_I2CSLAVE_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_I2CSLAVE_DESCRIPTION = 'BCM2836 I2C Slave';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br /> 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 SPI slave constants''' <code> BCM2709_SPISLAVE_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_SPISLAVE_DESCRIPTION = 'BCM2836 SPI Slave';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 DMA constants''' <code> BCM2709_DMA_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_DMA_DESCRIPTION = 'BCM2836 DMA';</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_DMA_CHANNEL_COUNT = 16;</code>
| Total number of DMA channels (Not all are usable)
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_DMA_LITE_CHANNELS = $7F80;</code>
| Mask of DMA Lite channels (7 to 14)
|-
| <code>BCM2709_DMA_NORMAL_CHANNELS = $007E;</code>
| (807F) Mask of normal channels (1 to 6)
|-
| <code>BCM2709_DMA_BULK_CHANNELS = $8001;</code>
| Mask of DMA Bulk channels (0 and 15)
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_DMA_SHARED_CHANNELS = $7800;</code>
| Mask of channels with shared interrupt (11 to 14)
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_DMA_MAX_LITE_TRANSFER = 65536;</code>
| Maximum transfer length for a DMA Lite channel
|-
| <code>BCM2709_DMA_MAX_NORMAL_TRANSFER = 1073741824;</code>
| Maximum transfer length for a normal channel
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_DMA_MAX_STRIDE = $FFFF;</code>
| Maximum stride value (Increment between rows) (Note this is a signed value (Min -32768 / Max 32767)
|-
| <code>BCM2709_DMA_MAX_Y_COUNT = $3FFF;</code>
| Maximum number of X length transfers in 2D stride
|-
| <code>BCM2709_DMA_MAX_X_LENGTH = $FFFF;</code>
| Maximum X transfer length in 2D stride
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_DMA_CB_ALIGNMENT = 32;</code>
| Alignment required for DMA control blocks
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_DMA_LITE_BURST_LENGTH = 1;</code>
| Burst length for DMA Lite channels
|-
| <code>BCM2709_DMA_NORMAL_BURST_LENGTH = 2;</code>
| Burst length for normal channels
|-
| <code>BCM2709_DMA_BULK_BURST_LENGTH = 8;</code>
| Burst length for DMA Bulk channels
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 PWM constants''' <code> BCM2709_PWM_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_PWM_MIN_PERIOD = 108;</code>
| Default based on 19.2MHz PWM clock (Oscillator source)
|-
| <code>BCM2709_PWM_DEFAULT_CLOCK = 19200000;</code>
| Default to the 19.2MHz oscillator clock
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 PWM0 constants''' <code> BCM2709_PWM0_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_PWM0_DESCRIPTION = 'BCM2836 PWM0';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br /> 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 PWM1 constants''' <code> BCM2709_PWM1_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_PWM1_DESCRIPTION = 'BCM2836 PWM1';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 GPIO constants''' <code> BCM2709_GPIO_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_GPIO_DESCRIPTION = 'BCM2836 GPIO';</code>
| style="width: 50%;"|&nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_GPIO_MIN_PIN = GPIO_PIN_0;</code>
| &nbsp;
|-
| <code>BCM2709_GPIO_MAX_PIN = GPIO_PIN_53;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_GPIO_MAX_LEVEL = GPIO_LEVEL_HIGH;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_GPIO_MAX_PULL = GPIO_PULL_DOWN;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_GPIO_MIN_FUNCTION = GPIO_FUNCTION_IN;</code>
| &nbsp;
|-
| <code>BCM2709_GPIO_MAX_FUNCTION = GPIO_FUNCTION_ALT5;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_GPIO_MIN_TRIGGER = GPIO_TRIGGER_LOW;</code>
| &nbsp;
|-
| <code>BCM2709_GPIO_MAX_TRIGGER = GPIO_TRIGGER_ASYNC_FALLING;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
|colspan="2"|''GPIO pull up/down to BCM2836 pull up/down''
|-
|colspan="2"|<code>BCM2709_GPIO_PULL_MAP:array[GPIO_PULL_NONE..GPIO_PULL_DOWN] of LongWord = (</code>
|-
| <code>BCM2836_GPPUD_NONE,</code>
| &nbsp;
|-
| <code>BCM2836_GPPUD_UP,</code>
| &nbsp;
|-
| <code>BCM2836_GPPUD_DOWN);</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
|colspan="2"|''GPIO functions to BCM2836 functions''
|-
|colspan="2"|<code>BCM2709_GPIO_FUNCTION_MAP:array[BCM2709_GPIO_MIN_FUNCTION..BCM2709_GPIO_MAX_FUNCTION] of LongWord = (</code>
|-
| <code>BCM2836_GPFSEL_IN,</code>
| &nbsp;
|-
| <code>BCM2836_GPFSEL_OUT,</code>
| &nbsp;
|-
| <code>BCM2836_GPFSEL_ALT0,</code>
| &nbsp;
|-
| <code>BCM2836_GPFSEL_ALT1,</code>
| &nbsp;
|-
| <code>BCM2836_GPFSEL_ALT2,</code>
| &nbsp;
|-
| <code>BCM2836_GPFSEL_ALT3,</code>
| &nbsp;
|-
| <code>BCM2836_GPFSEL_ALT4,</code>
| &nbsp;
|-
| <code>BCM2836_GPFSEL_ALT5);</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
|colspan="2"|''BCM2836 functions to GPIO functions''
|-
|colspan="2"|<code>BCM2709_GPIO_FUNCTION_UNMAP:array[BCM2709_GPIO_MIN_FUNCTION..BCM2709_GPIO_MAX_FUNCTION] of LongWord = (</code>
|-
| <code>GPIO_FUNCTION_IN,</code>
| &nbsp;
|-
| <code>GPIO_FUNCTION_OUT,</code>
| &nbsp;
|-
| <code>GPIO_FUNCTION_ALT5,</code>
| &nbsp;
|-
| <code>GPIO_FUNCTION_ALT4,</code>
| &nbsp;
|-
| <code>GPIO_FUNCTION_ALT0,</code>
| &nbsp;
|-
| <code>GPIO_FUNCTION_ALT1,</code>
| &nbsp;
|-
| <code>GPIO_FUNCTION_ALT2,</code>
| &nbsp;
|-
| <code>GPIO_FUNCTION_ALT3);</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
|colspan="2"|''GPIO triggers to BCM2836 event registers''
|-
|colspan="2"|<code>BCM2709_GPIO_TRIGGER_MAP:array[BCM2709_GPIO_MIN_TRIGGER..BCM2709_GPIO_MAX_TRIGGER] of LongWord = (</code>
|-
| <code>BCM2836_GPLEN0,</code>
| &nbsp;
|-
| <code>BCM2836_GPHEN0,</code>
| &nbsp;
|-
| <code>BCM2836_GPREN0,</code>
| &nbsp;
|-
| <code>BCM2836_GPFEN0,</code>
| &nbsp;
|-
| <code>BCM2836_GPAREN0,</code>
| &nbsp;
|-
| <code>BCM2836_GPAFEN0);</code>
| &nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 UART0 (PL011) constants''' <code> BCM2709_UART0_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_UART0_DESCRIPTION = 'BCM2836 PL011 UART';</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_UART0_MIN_BAUD = 300;</code>
| Default minimum of 300 baud
|-
| <code>BCM2709_UART0_MAX_BAUD = 187500;</code>
| Default maximum based on the default settings from the firmware (Recalculated during open)
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_UART0_MIN_DATABITS = SERIAL_DATA_5BIT;</code>
| &nbsp;
|-
| <code>BCM2709_UART0_MAX_DATABITS = SERIAL_DATA_8BIT;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_UART0_MIN_STOPBITS = SERIAL_STOP_1BIT;</code>
| &nbsp;
|-
| <code>BCM2709_UART0_MAX_STOPBITS = SERIAL_STOP_2BIT;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_UART0_MAX_PARITY = SERIAL_PARITY_EVEN;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_UART0_MAX_FLOW = SERIAL_FLOW_RTS_CTS;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_UART0_CLOCK_RATE = 3000000;</code>
| Default clock rate based on the default settings from the firmware (Requested from firmware during open)
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 UART1 (AUX) constants''' <code> BCM2709_UART1_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_UART1_DESCRIPTION = 'BCM2836 AUX (Mini) UART';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 SDHCI constants''' <code> BCM2709_EMMC_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_EMMC_DESCRIPTION = 'BCM2836 Arasan SD Host';</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_EMMC_MIN_FREQ = 400000;</code>
| Default minimum of 400KHz
|-
| <code>BCM2709_EMMC_MAX_FREQ = 250000000;</code>
| &nbsp;
|-
|}
</div></div>
<br /> 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 ARM timer constants''' <code> BCM2709_ARM_TIMER_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_ARM_TIMER_DESCRIPTION = 'BCM2836 ARM Timer';</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_ARM_TIMER_MIN_RATE = 244140;</code>
| Default minimum (Divider 1023) based on the default settings from the firmware (Recalculated during start)
|-
| <code>BCM2709_ARM_TIMER_MAX_RATE = 250000000;</code>
| Default maximum (Divider 0) based on the default settings from the firmware (Recalculated during start)
|-
| <code>BCM2709_ARM_TIMER_DEFAULT_RATE = 1000000;</code>
| Default rate (Divider 249) based on the default settings from the firmware (Recalculated during start)
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_ARM_TIMER_MIN_INTERVAL = 1;</code>
| &nbsp;
|-
| <code>BCM2709_ARM_TIMER_MAX_INTERVAL = $FFFFFFFF;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_ARM_TIMER_MIN_DIVIDER = 0;</code>
| &nbsp;
|-
| <code>BCM2709_ARM_TIMER_MAX_DIVIDER = 1023;</code>
| &nbsp;
|-
| <code>BCM2709_ARM_TIMER_DEFAULT_DIVIDER = 249;</code>
| &nbsp;
|-
|colspan="2"|&nbsp;
|-
| <code>BCM2709_ARM_TIMER_CORE_CLOCK = 250000000;</code>
| Default core clock based on the default settings from the firmware (Requested from firmware during start)
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 local timer constants''' <code> BCM2709_LOCAL_TIMER_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_LOCAL_TIMER_DESCRIPTION = 'BCM2836 Local Timer';</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
<div style="font-size: 14px; padding-left: 12px;">'''BCM2709 random constants''' <code> BCM2709_RANDOM_* </code></div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>BCM2709_RANDOM_WARMUP_COUNT = $00040000;</code>
| The initial numbers generated are "less random" so will be discarded
|-
|}
</div></div>
<br />

=== Type definitions ===
----


'''BCM2709 SPI0 types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709SPI0Device = ^TBCM2709SPI0Device;</code>

<code>TBCM2709SPI0Device = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''SPI Properties''
|-
| <code>SPI:TSPIDevice;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>Address:Pointer;</code>
| Device register base address
|-
| <code>CoreClock:LongWord;</code>
| Core clock rate
|-
|colspan="2"|''Transfer Properties''
|-
| <code>Mode:LongWord;</code>
| Mode of current transfer (BCM2709_SPI0_MODE_IRQ / BCM2709_SPI0_MODE_DMA)
|-
| <code>Source:Pointer;</code>
| Pointer to the source for current transfer (nil if reading only)
|-
| <code>Dest:Pointer;</code>
| Pointer to the destination for current transfer (nil if writing only)
|-
| <code>Count:LongWord;</code>
| Count of bytes for current transfer
|-
| <code>SourceRemain:LongWord;</code>
| Source bytes remaining for current transfer
|-
| <code>DestRemain:LongWord;</code>
| Destination bytes remaining for current transfer
|-
|colspan="2"|''Statistics Properties''
|-
| <code>InterruptCount:LongWord;</code>
| Number of interrupt requests received by the device
|-
|}
</div></div>  
  
'''BCM2709 BSCI2C (I2C0/1) types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709BSCI2CDevice = ^TBCM2709BSCI2CDevice;</code>

<code>TBCM2709BSCI2CDevice = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''I2C Properties''
|-
| <code>I2C:TI2CDevice;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>Address:Pointer;</code>
| Device register base address
|-
| <code>CoreClock:LongWord;</code>
| Core clock rate
|-
| <code>SDAPin:LongWord;</code>
| GPIO pin for the SDA line
|-
| <code>SCLPin:LongWord;</code>
| GPIO pin for the SCL line
|-
| <code>SDAFunction:LongWord;</code>
| GPIO function for the SDA line
|-
| <code>SCLFunction:LongWord;</code>
| GPIO function for the SCL line
|-
|colspan="2"|''Transfer Properties''
|-
| <code>Index:LongWord;</code>
| Index of this device in the IRQData array (Set during device initialization)
|-
| <code>Mode:LongWord;</code>
| Mode of current transfer (BCM2709_BSCI2C_MODE_WRITE / BCM2709_BSCI2C_MODE_READ)
|-
| <code>Data:Pointer;</code>
| Pointer to the data for current transfer
|-
| <code>Count:LongWord;</code>
| Count of bytes for current transfer
|-
| <code>Remain:LongWord;</code>
| Bytes remaining for current transfer
|-
|colspan="2"|''Statistics Properties''
|-
| <code>InterruptCount:LongWord;</code>
| Number of interrupt requests received by the device
|-
|}
</div></div>  
  
'''BCM2709 BSCI2C (I2C0/1) IRQ data types''' 

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709BSCI2CIRQData = ^TBCM2709BSCI2CIRQData;</code>

<code>TBCM2709BSCI2CIRQData = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|Note: BSC I2C devices share a single interrupt
|-
| <code>Count:LongWord;</code>
| style="width: 50%;"|&nbsp;
|-
| <code>Lock:TSpinHandle;</code>
| &nbsp;
|-
| <code>Devices:array[0..2] of PBCM2709BSCI2CDevice;</code>
| &nbsp;
|-
|}
</div></div>  
  
'''BCM2709 SPI AUX (SPI1/2) types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709SPIAUXDevice = ^TBCM2709SPIAUXDevice;</code>

<code>TBCM2709SPIAUXDevice = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''SPI Properties''
|-
| <code>SPI:TSPIDevice;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>Address:Pointer;</code>
| Device register base address
|-
| <code>CoreClock:LongWord;</code>
| Core clock rate
|-
|}
</div></div>  
 
'''BCM2709 DMA channel types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709DMAChannel = ^TBCM2709DMAChannel;</code>

<code>TBCM2709DMAChannel = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>Host:PBCM2709DMAHost;</code>
| DMA host this channel belongs to
|-
| <code>Request:PDMARequest;</code>
| Current DMA request pending on this channel (or nil of no request is pending)
|-
| <code>Number:LongWord;</code>
| The channel number of this channel
|-
| <code>Interrupt:LongWord;</code>
| The interrupt number of this channel
|-
| <code>Registers:PBCM2836DMARegisters;</code>
| The channel registers for configuration
|-
|}
</div></div>  
  
'''BCM2709 DMA types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709DMAHost = ^TBCM2709DMAHost;</code>

<code>TBCM2709DMAHost = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''''DMA Properties''
|-
| <code>DMA:TDMAHost;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>ChannelMask:LongWord;</code>
| Mask of available channels (Passed from GPU firmware)
|-
| <code>ChannelFree:LongWord;</code>
| Bitmap of current free channels
|-
| <code>ChannelLock:TMutexHandle;</code>
| Lock for access to ChannelFree
|-
| <code>ChannelWait:TSemaphoreHandle;</code>
| Number of free normal channels in ChannelFree
|-
| <code>ChannelLite:TSemaphoreHandle;</code>
| Number of free DMA Lite channels in ChannelFree
|-
| <code>ChannelBulk:TSemaphoreHandle;</code>
| Number of free DMA Bulk channels in ChannelFree
|-
| <code>Channels:array[0..BCM2709_DMA_CHANNEL_COUNT - 1] of TBCM2709DMAChannel;</code>
| Channel information for each DMA channel on the host
|-
| <code>EnableRegister:PLongWord;</code>
| &nbsp;
|-
| <code>InterruptRegister:PLongWord;</code>
| &nbsp;
|-
|colspan="2"|''Statistics Properties''
|-
| <code>InterruptCount:LongWord;</code>
| Number of interrupt requests received by the host controller
|-
|}
</div></div>  
 
'''BCM2709 PWM device types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709PWMDevice = ^TBCM2709PWMDevice;</code>

<code>TBCM2709PWMDevice = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''PWM Properties''
|-
| <code>PWM:TPWMDevice;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>Address:Pointer;</code>
| Device register base address
|-
| <code>Channel:LongWord;</code>
| Channel for this device
|-
| <code>Scaler:LongWord;</code>
| Scaler for Duty cycle and Period
|-
| <code>Pair:PBCM2709PWMDevice;</code>
| The paired PWM device for the other channel
|-
|colspan="2"|''Audio Properties''
|-
| <code>Audio:PBCM2709PWMAudio;</code>
| The associated PWM Audio device
|-
|}
</div></div>
 
'''BCM2709 PCM audio types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709PWMAudio = ^TBCM2709PWMAudio;</code>

<code>TBCM2709PWMAudio = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''Audio Properties''
|-
| <code>Audio:TAudioDevice;</code>
| &nbsp;
|-
|colspan="2"|''PWM Properties''
|-
| <code>PWM0:PBCM2709PWMDevice;</code>
| The PWM device for channel 0
|-
| <code>PWM1:PBCM2709PWMDevice;</code>
| The PWM device for channel 1
|-
|}
</div></div>  
 
'''BCM2709 GPIO types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709GPIOBank = ^TBCM2709GPIOBank;</code>

<code>TBCM2709GPIOBank = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
| <code>GPIO:PGPIODevice;</code>
| style="width: 50%;"|&nbsp;
|-
| <code>Bank:LongWord;</code>
| &nbsp;
|-
| <code>Address:PtrUInt;</code>
| &nbsp;
|-
| <code>PinStart:LongWord;</code>
| &nbsp;
|-
|}
</div></div>  

'''BCM2709 GPIO device types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709GPIODevice = ^TBCM2709GPIODevice;</code>

<code>TBCM2709GPIODevice = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''GPIO Properties''
|-
| <code>GPIO:TGPIODevice;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>Lock:TSpinHandle;</code>
| Device lock (Differs from lock in Device portion) (Spin lock due to use by interrupt handler)
|-
| <code>Banks:array[0..BCM2836_GPIO_BANK_COUNT - 1] of TBCM2709GPIOBank;</code>
| &nbsp;
|-
|colspan="2"|''Statistics Properties''
|-
| <code>InterruptCount:LongWord;</code>
| Number of interrupt requests received by the device
|-
|}
</div></div>  
  
'''BCM2709 UART0 types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709UART0Device = ^TBCM2709UART0Device;</code>

<code>TBCM2709UART0Device = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''UART Properties''
|-
| <code>UART:TUARTDevice;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>Address:Pointer;</code>
| Device register base address
|-
| <code>ClockRate:LongWord;</code>
| Device clock rate
|-
|colspan="2"|''Statistics Properties''
|-
| <code>InterruptCount:LongWord;</code>
| Number of interrupt requests received by the device
|-
|}
</div></div> 
 
'''BCM2709 SDHCI types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709SDHCIHost = ^TBCM2709SDHCIHost;</code>

<code>TBCM2709SDHCIHost = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''SDHCI Properties''
|-
| <code>SDHCI:TSDHCIHost;</code>
| style="width: 50%;"|&nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>WriteDelay:LongWord;</code>
| &nbsp;
|-
| <code>LastWrite:LongWord;</code>
| &nbsp;
|-
| <code>ShadowRegister:LongWord;</code>
| &nbsp;
|-
|}
</div></div>  
 
'''BCM2709 system clock types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709SystemClock = ^TBCM2709SystemClock;</code>

<code>TBCM2709SystemClock = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''Clock Properties''
|-
| <code>Clock:TClockDevice;</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>

'''BCM2709 ARM clock types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709ARMClock = ^TBCM2709ARMClock;</code>

<code>TBCM2709ARMClock = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''Clock Properties''
|-
| <code>Clock:TClockDevice;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>CoreClock:LongWord;</code>
| Core clock rate
|-
|}
</div></div>  

'''BCM2709 ARM timer types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709ARMTimer = ^TBCM2709ARMTimer;</code>

<code>TBCM2709ARMTimer = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''Timer Properties''
|-
| <code>Timer:TTimerDevice;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>CoreClock:LongWord;</code>
| Core clock rate
|-
|colspan="2"|''Statistics Properties''
|-
| <code>InterruptCount:LongWord;</code>
| Number of interrupt requests received by the device
|-
|}
</div></div>  

'''BCM2709 local timer types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709LocalTimer = ^TBCM2709LocalTimer;</code>

<code>TBCM2709LocalTimer = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''Timer Properties''
|-
| <code>Timer:TTimerDevice;</code>
| &nbsp;
|-
|colspan="2"|''BCM2709 Properties''
|-
| <code>CoreClock:LongWord;</code>
| Core clock rate
|-
|colspan="2"|''Statistics Properties''
|-
| <code>InterruptCount:LongWord;</code>
| Number of interrupt requests received by the device
|-
|}
</div></div>  
 
'''BCM2709 random types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709Random = ^TBCM2709Random;</code>

<code>TBCM2709Random = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''Random Properties''
|-
| <code>Random:TRandomDevice;</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>  

'''BCM2709 mailbox types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709Mailbox = ^TBCM2709Mailbox;</code>

<code>TBCM2709Mailbox = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''Mailbox Properties''
|-
| <code>Mailbox:TMailboxDevice;</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>  
 
'''BCM2709 watchdog types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709Watchdog = ^TBCM2709Watchdog;</code>

<code>TBCM2709Watchdog = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''Watchdog Properties''
|-
| <code>Watchdog:TWatchdogDevice;</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>

'''BCM2709 framebuffer types'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
<code>PBCM2709Framebuffer = ^TBCM2709Framebuffer;</code>

<code>TBCM2709Framebuffer = record</code>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
|colspan="2"|''Framebuffer Properties''
|-
| <code>Framebuffer:TFramebufferDevice;</code>
| style="width: 50%;"|&nbsp;
|-
|}
</div></div>  
<br />

=== Public variables ===
----

''None defined''

=== Function declarations ===
----


'''Initialization functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709Init;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 SPI0 functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SPI0Start(SPI:PSPIDevice; Mode,ClockRate,ClockPhase,ClockPolarity:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SPI0Stop(SPI:PSPIDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SPI0WriteRead(SPI:PSPIDevice; ChipSelect:Word; Source,Dest:Pointer; Size,Flags:LongWord; var Count:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SPI0SetMode(SPI:PSPIDevice; Mode:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SPI0SetClockRate(SPI:PSPIDevice; ChipSelect:Word; ClockRate:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SPI0SetClockPhase(SPI:PSPIDevice; ClockPhase:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SPI0SetClockPolarity(SPI:PSPIDevice; ClockPolarity:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SPI0SetSelectPolarity(SPI:PSPIDevice; ChipSelect:Word; SelectPolarity:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709SPI0ReadFIFO(SPI:PBCM2709SPI0Device);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Caller will hold the SPI device lock</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Called from within the interrupt handler
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709SPI0WriteFIFO(SPI:PBCM2709SPI0Device);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Caller will hold the SPI device lock</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Called from within the interrupt handler
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709SPI0InterruptHandler(SPI:PBCM2709SPI0Device);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709SPI0DMARequestCompleted(Request:PDMARequest);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' DMA Request completion callback for SPI0</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 BSCI2C (I2C0/1) functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709BSCI2CStart(I2C:PI2CDevice;Rate:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709BSCI2CStop(I2C:PI2CDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709BSCI2CRead(I2C:PI2CDevice; Address:Word; Buffer:Pointer; Size:LongWord; var Count:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709BSCI2CWrite(I2C:PI2CDevice; Address:Word; Buffer:Pointer; Size:LongWord; var Count:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709BSCI2CWriteRead(I2C:PI2CDevice; Address:Word; Initial:Pointer; Len:LongWord; Data:Pointer; Size:LongWord; var Count:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709BSCI2CWriteWrite(I2C:PI2CDevice; Address:Word; Initial:Pointer; Len:LongWord; Data:Pointer; Size:LongWord; var Count:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709BSCI2CSetRate(I2C:PI2CDevice; Rate:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709BSCI2CSetAddress(I2C:PI2CDevice; Address:Word):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709BSCI2CFillFIFO(I2C:PBCM2709BSCI2CDevice);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Caller will hold the I2C device lock</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Called from within the interrupt handler
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709BSCI2CDrainFIFO(I2C:PBCM2709BSCI2CDevice);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Caller will hold the I2C device lock</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Called from within the interrupt handler
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709BSCI2CInterruptHandler(IRQData:PBCM2709BSCI2CIRQData);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Thread submitting the current request will hold the I2C device lock
|-
|}
</div></div>
<br />

'''BCM2709 DMA functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709DMAHostStart(DMA:PDMAHost):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709DMAHostStop(DMA:PDMAHost):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709DMAHostSubmit(DMA:PDMAHost; Request:PDMARequest):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709DMAHostCancel(DMA:PDMAHost; Request:PDMARequest):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709DMAInterruptHandler(Channel:PBCM2709DMAChannel);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' DMA Channels 0 to 10 each have a dedicated interrupt, this handler simply clears the interrupt and sends a completion on the associated channel</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709DMASharedInterruptHandler(DMA:PBCM2709DMAHost);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' DMA Channels 11 to 14 share a common interrupt, this alternate handler determines which ones triggered the current interrupt and sends a completion on that channel</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709DMARequestComplete(Channel:PBCM2709DMAChannel);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709DMAPeripheralToDREQ(Peripheral:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709DMADataToControlBlock(Request:PDMARequest; Data:PDMAData; Block:PBCM2836DMAControlBlock; Bulk,Lite:Boolean);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 PWM0/1 functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMStart(PWM:PPWMDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMStop(PWM:PPWMDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMWrite(PWM:PPWMDevice; Value:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMSetGPIO(PWM:PPWMDevice; GPIO:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMResetGPIO(PWM:PPWMDevice; GPIO:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMSetMode(PWM:PPWMDevice; Mode:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMSetRange(PWM:PPWMDevice; Range:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMSetFrequency(PWM:PPWMDevice; Frequency:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMSetPolarity(PWM:PPWMDevice; Polarity:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMConfigure(PWM:PPWMDevice; DutyNS,PeriodNS:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMClockStart(PWM:PPWMDevice; Frequency:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMClockStop(PWM:PPWMDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709PWMClockEnabled(PWM:PPWMDevice):Boolean;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 GPIO functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOStart(GPIO:PGPIODevice):LongWord; </pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOStop(GPIO:PGPIODevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIORead(GPIO:PGPIODevice; Reg:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709GPIOWrite(GPIO:PGPIODevice; Reg,Value:LongWord);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOInputGet(GPIO:PGPIODevice; Pin:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOInputWait(GPIO:PGPIODevice; Pin,Trigger,Timeout:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOInputEvent(GPIO:PGPIODevice; Pin,Trigger,Flags,Timeout:LongWord; Callback:TGPIOCallback; Data:Pointer):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOInputCancel(GPIO:PGPIODevice; Pin:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOOutputSet(GPIO:PGPIODevice; Pin,Level:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOPullSelect(GPIO:PGPIODevice; Pin,Mode:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOFunctionGet(GPIO:PGPIODevice; Pin:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709GPIOFunctionSelect(GPIO:PGPIODevice; Pin,Mode:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709GPIOInterruptHandler(Bank:PBCM2709GPIOBank);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709GPIOEventTrigger(Pin:PGPIOPin);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709GPIOEventTimeout(Event:PGPIOEvent);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 UART0 functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709UART0Open(UART:PUARTDevice; BaudRate,DataBits,StopBits,Parity,FlowControl:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709UART0Close(UART:PUARTDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709UART0Read(UART:PUARTDevice; Buffer:Pointer; Size,Flags:LongWord; var Count:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709UART0Write(UART:PUARTDevice; Buffer:Pointer; Size,Flags:LongWord; var Count:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709UART0Status(UART:PUARTDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709UART0InterruptHandler(UART:PUARTDevice);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709UART0Receive(UART:PUARTDevice);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709UART0Transmit(UART:PUARTDevice);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 SDHCI functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SDHCIHostStart(SDHCI:PSDHCIHost):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SDHCIHostStop(SDHCI:PSDHCIHost):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SDHCIHostReadByte(SDHCI:PSDHCIHost; Reg:LongWord):Byte;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| The Broadcom document BCM2835-ARM-Peripherals page 66 states the following: Contrary to Arasans documentation the EMMC module registers can only be accessed as 32 bit registers, i.e. the two LSBs of the address are always zero. For this reason this code must simulate Byte and Word reads using LongWord reads.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SDHCIHostReadWord(SDHCI:PSDHCIHost; Reg:LongWord):Word;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| The Broadcom document BCM2835-ARM-Peripherals page 66 states the following: Contrary to Arasans documentation the EMMC module registers can only be accessed as 32 bit registers, i.e. the two LSBs of the address are always zero. For this reason this code must simulate Byte and Word reads using LongWord reads.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SDHCIHostReadLong(SDHCI:PSDHCIHost; Reg:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709SDHCIHostWriteByte(SDHCI:PSDHCIHost; Reg:LongWord; Value:Byte);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| The Broadcom document BCM2835-ARM-Peripherals page 66 states the following: Contrary to Arasans documentation the EMMC module registers can only be accessed as 32 bit registers, i.e. the two LSBs of the address are always zero. For this reason this code must simulate Byte and Word writes using LongWord writes.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709SDHCIHostWriteWord(SDHCI:PSDHCIHost; Reg:LongWord; Value:Word);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| The Broadcom document BCM2835-ARM-Peripherals page 66 states the following: Contrary to Arasans documentation the EMMC module registers can only be accessed as 32 bit registers, i.e. the two LSBs of the address are always zero. For this reason this code must simulate Byte and Word writes using LongWord writes.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709SDHCIHostWriteLong(SDHCI:PSDHCIHost; Reg:LongWord; Value:LongWord);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| The source code of U-Boot and Linux kernel drivers have this comment The Arasan has a bugette whereby it may lose the content of successive writes to registers that are within two SD-card clock cycles of each other (a clock domain crossing problem). It seems, however, that the data register does not have this problem. (Which is just as well - otherwise we'd have to nobble the DMA engine too) For this reason this code must delay after each write to the registers.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709SDHCIInterruptHandler(SDHCI:PSDHCIHost);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709SDHCISetupInterrupts(SDHCI:PSDHCIHost):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709MMCDeviceGetCardDetect(MMC:PMMCDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of MMC GetCardDetect for the BCM2709 which does not update the bits in the SDHCI_PRESENT_STATE register to reflect card insertion or removal</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 clock functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ClockRead(Clock:PClockDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ClockRead64(Clock:PClockDevice):Int64;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 ARM timer functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ARMTimerStart(Timer:PTimerDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of TimerDeviceStart API for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use TimerDeviceStart instead
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ARMTimerStop(Timer:PTimerDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of TimerDeviceStop API for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use TimerDeviceStop instead
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ARMTimerRead64(Timer:PTimerDevice):Int64;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of TimerDeviceRead64 API for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use TimerDeviceRead64 instead
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ARMTimerWait(Timer:PTimerDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of TimerDeviceWait API for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use TimerDeviceWait instead
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ARMTimerEvent(Timer:PTimerDevice; Flags:LongWord; Callback:TTimerCallback; Data:Pointer):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of TimerDeviceEvent API for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use TimerDeviceEvent instead
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ARMTimerCancel(Timer:PTimerDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of TimerDeviceCancel API for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use TimerDeviceCancel instead
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ARMTimerSetRate(Timer:PTimerDevice; Rate:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of TimerDeviceSetRate API for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use TimerDeviceSetRate instead
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709ARMTimerSetInterval(Timer:PTimerDevice; Interval:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of TimerDeviceSetInterval API for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use TimerDeviceSetInterval instead
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709ARMTimerInterruptHandler(Timer:PTimerDevice);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Interrupt handler for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">procedure BCM2709ARMTimerEventTrigger(Timer:PTimerDevice);</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Event handler for ARM Timer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications
|-
|}
</div></div>
<br />

'''BCM2709 random functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709RandomStart(Random:PRandomDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709RandomStop(Random:PRandomDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709RandomReadLongWord(Random:PRandomDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 watchdog functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709WatchdogStart(Watchdog:PWatchdogDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709WatchdogStop(Watchdog:PWatchdogDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709WatchdogRefresh(Watchdog:PWatchdogDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709WatchdogGetRemain(Watchdog:PWatchdogDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| None documented
|-
|}
</div></div>
<br />

'''BCM2709 framebuffer functions'''

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferAllocate(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceAllocate API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceAllocate instead.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferRelease(Framebuffer:PFramebufferDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceRelease API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceRelease instead.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferBlank(Framebuffer:PFramebufferDevice; Blank:Boolean):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceBlank API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceBlank instead.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferCommit(Framebuffer:PFramebufferDevice; Address,Size,Flags:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceCommit API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceCommit instead.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferWaitSync(Framebuffer:PFramebufferDevice):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceWaitSync API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceWaitSync instead
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferSetOffset(Framebuffer:PFramebufferDevice; X,Y:LongWord; Pan:Boolean):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceSetOffset API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceSetOffset instead.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferGetPalette(Framebuffer:PFramebufferDevice; Palette:PFramebufferPalette):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceGetPalette API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceGetPalette instead.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferSetPalette(Framebuffer:PFramebufferDevice; Palette:PFramebufferPalette):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceSetPalette API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceSetPalette instead.
|-
|}
</div></div>
<br />
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferSetBacklight(Framebuffer:PFramebufferDevice; Brightness:LongWord):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceSetBacklight API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceSetBacklight instead.
|-
|}
</div></div>
<br />

<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
<pre style="border: 0; padding-bottom:0px;">function BCM2709FramebufferSetProperties(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;</pre>
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of FramebufferDeviceSetProperties API for BCM2709 Framebuffer</div>
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
{| class="wikitable" style="font-size: 14px; background: white;"
|-
! '''Note'''
| Not intended to be called directly by applications, use FramebufferDeviceSetProperties instead.
|-
|}
</div></div>
<br />

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