dev_io_dma.c File Reference

#include <string.h>
#include "dev_io.h"
#include "dev_access.h"
#include "dev_irq.h"
#include "dev_reg.h"
#include "gsc_os_time.h"

Include dependency graph for dev_io_dma.c:

Macros
#define	_IRQ_   HPDI32_IRQ_RX_AE
#define	_IRQ_   HPDI32_IRQ_TX_AF

Functions
static U32	_dma_read_wait (gsc_io_t *gio, U32 timeout_ms)
static U32	_dma_rx_available (gsc_io_t *gio)
static U32	_dma_tx_available (gsc_io_t *gio)
static U32	_dma_write_wait (gsc_io_t *gio, U32 timeout_ms)
static U32	_dmdma_rx_xfer_scd (gsc_io_t *io)
static U32	_dmdma_rx_available_scd (gsc_io_t *gio)
static U32	_dmdma_rx_setup_scd (gsc_io_t *gio)
static U32	_dmdma_tx_available_scd (gsc_io_t *gio)
static U32	_dmdma_tx_setup_scd (gsc_io_t *gio)
static U32	_dmdma_tx_xfer_scd (gsc_io_t *io)
static U32	_rx_done_underrun (gsc_io_t *gio)
static U32	_rx_setup (gsc_io_t *gio)
static U32	_tx_done_overrun (gsc_io_t *gio)
static U32	_tx_setup (gsc_io_t *gio)
static U32	_dma_info_init (gsc_io_t *gio, gsc_dma_info_t *info)
static U32	_dma_setup (gsc_io_t *gio)
U32	io_dma_init (dev_data_t *dev)

Variables
const gsc_io_func_t	io_dma_read_auto_funcs
const gsc_io_func_t	io_dma_read_manual_funcs
const gsc_io_func_t	io_dma_write_auto_asd_funcs
const gsc_io_func_t	io_dma_write_auto_ase_funcs
const gsc_io_func_t	io_dma_write_manual_asd_funcs
const gsc_io_func_t	io_dma_write_manual_ase_funcs
const gsc_io_func_t	io_dmdma_read_sca_funcs
const gsc_io_func_t	io_dmdma_read_scd_funcs
const gsc_io_func_t	io_dmdma_read_scp_funcs
const gsc_io_func_t	io_dmdma_write_sca_asd_funcs
const gsc_io_func_t	io_dmdma_write_sca_ase_funcs
const gsc_io_func_t	io_dmdma_write_scd_asd_funcs
const gsc_io_func_t	io_dmdma_write_scd_ase_funcs
const gsc_io_func_t	io_dmdma_write_scp_asd_funcs
const gsc_io_func_t	io_dmdma_write_scp_ase_funcs

Macro Definition Documentation

_IRQ_ [1/2]

#define _IRQ_   HPDI32_IRQ_RX_AE

_IRQ_ [2/2]

#define _IRQ_   HPDI32_IRQ_TX_AF

Function Documentation

_dma_info_init()

static U32 _dma_info_init ( gsc_io_t *  gio, gsc_dma_info_t *  info  )

static

_dma_read_wait()

static U32 _dma_read_wait ( gsc_io_t *  gio, U32  timeout_ms  )

static

_dma_rx_available()

static U32 _dma_rx_available ( gsc_io_t *  gio )

static

_dma_setup()

static U32 _dma_setup ( gsc_io_t *  gio )

static

_dma_tx_available()

static U32 _dma_tx_available ( gsc_io_t *  gio )

static

_dma_write_wait()

static U32 _dma_write_wait ( gsc_io_t *  gio, U32  timeout_ms  )

static

_dmdma_rx_available_scd()

static U32 _dmdma_rx_available_scd ( gsc_io_t *  gio )

static

_dmdma_rx_setup_scd()

static U32 _dmdma_rx_setup_scd ( gsc_io_t *  gio )

static

_dmdma_rx_xfer_scd()

static U32 _dmdma_rx_xfer_scd ( gsc_io_t *  io )

static

_dmdma_tx_available_scd()

static U32 _dmdma_tx_available_scd ( gsc_io_t *  gio )

static

_dmdma_tx_setup_scd()

static U32 _dmdma_tx_setup_scd ( gsc_io_t *  gio )

static

_dmdma_tx_xfer_scd()

static U32 _dmdma_tx_xfer_scd ( gsc_io_t *  io )

static

_rx_done_underrun()

static U32 _rx_done_underrun ( gsc_io_t *  gio )

static

_rx_setup()

static U32 _rx_setup ( gsc_io_t *  gio )

static

_tx_done_overrun()

static U32 _tx_done_overrun ( gsc_io_t *  gio )

static

_tx_setup()

static U32 _tx_setup ( gsc_io_t *  gio )

static

io_dma_init()

U32 io_dma_init

(

dev_data_t *

dev

)

Variable Documentation

io_dma_read_auto_funcs

const gsc_io_func_t io_dma_read_auto_funcs

Initial value:

=
{
    {
        _rx_setup,
        io_pio_rx_available,
        NULL,
        gsc_io_dma_read,
        gsc_io_dma_read,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _rx_setup,
        io_pio_rx_available,
        NULL,
        gsc_io_dma_read,
        gsc_io_dma_read,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _rx_setup,
        io_pio_rx_available,
        NULL,
        gsc_io_dma_read,
        gsc_io_dma_read,
        _dma_read_wait,
        _rx_done_underrun
    }
}

io_dma_read_manual_funcs

const gsc_io_func_t io_dma_read_manual_funcs

Initial value:

=
{
    {
        _rx_setup,
        _dma_rx_available,
        NULL,
        gsc_io_dma_read,
        gsc_io_dma_read,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _rx_setup,
        _dma_rx_available,
        NULL,
        gsc_io_dma_read,
        gsc_io_dma_read,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _rx_setup,
        _dma_rx_available,
        NULL,
        gsc_io_dma_read,
        gsc_io_dma_read,
        _dma_read_wait,
        _rx_done_underrun
    }
}

io_dma_write_auto_asd_funcs

const gsc_io_func_t io_dma_write_auto_asd_funcs

Initial value:

=
{
    {
        _tx_setup,
        io_pio_tx_available,
        NULL,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        io_pio_tx_available,
        NULL,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        io_pio_tx_available,
        NULL,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    }
}

io_dma_write_auto_ase_funcs

const gsc_io_func_t io_dma_write_auto_ase_funcs

Initial value:

=
{
    {
        _tx_setup,
        io_pio_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        io_pio_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        io_pio_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    }
}

io_dma_write_manual_asd_funcs

const gsc_io_func_t io_dma_write_manual_asd_funcs

Initial value:

=
{
    {
        _tx_setup,
        _dma_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        _dma_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        _dma_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    }
}

io_dma_write_manual_ase_funcs

const gsc_io_func_t io_dma_write_manual_ase_funcs

Initial value:

=
{
    {
        _tx_setup,
        _dma_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        _dma_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        _dma_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    }
}

io_dmdma_read_sca_funcs

const gsc_io_func_t io_dmdma_read_sca_funcs

Initial value:

=
{
    {
        _rx_setup,
        _dmdma_rx_available_scd,
        NULL,
        _dmdma_rx_xfer_scd,
        _dmdma_rx_xfer_scd,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _rx_setup,
        _dmdma_rx_available_scd,
        NULL,
        _dmdma_rx_xfer_scd,
        _dmdma_rx_xfer_scd,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _rx_setup,
        _dmdma_rx_available_scd,
        NULL,
        _dmdma_rx_xfer_scd,
        _dmdma_rx_xfer_scd,
        _dma_read_wait,
        _rx_done_underrun
    }
}

io_dmdma_read_scd_funcs

const gsc_io_func_t io_dmdma_read_scd_funcs

Initial value:

=
{
    {
        _dmdma_rx_setup_scd,
        _dmdma_rx_available_scd,
        NULL,
        _dmdma_rx_xfer_scd,
        _dmdma_rx_xfer_scd,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _dmdma_rx_setup_scd,
        _dmdma_rx_available_scd,
        NULL,
        _dmdma_rx_xfer_scd,
        _dmdma_rx_xfer_scd,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _dmdma_rx_setup_scd,
        _dmdma_rx_available_scd,
        NULL,
        _dmdma_rx_xfer_scd,
        _dmdma_rx_xfer_scd,
        _dma_read_wait,
        _rx_done_underrun
    }
}

io_dmdma_read_scp_funcs

const gsc_io_func_t io_dmdma_read_scp_funcs

Initial value:

=
{
    {
        _rx_setup,
        io_pio_rx_available,
        NULL,
        gsc_io_dma_read,
        gsc_io_dma_read,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _rx_setup,
        io_pio_rx_available,
        NULL,
        gsc_io_dma_read,
        gsc_io_dma_read,
        _dma_read_wait,
        _rx_done_underrun
    },
    {
        _rx_setup,
        io_pio_rx_available,
        NULL,
        gsc_io_dma_read,
        gsc_io_dma_read,
        _dma_read_wait,
        _rx_done_underrun
    }
}

io_dmdma_write_sca_asd_funcs

const gsc_io_func_t io_dmdma_write_sca_asd_funcs

Initial value:

=
{
    {
        _tx_setup,
        _dmdma_tx_available_scd,
        NULL,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        _dmdma_tx_available_scd,
        NULL,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        _dmdma_tx_available_scd,
        NULL,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    }
}

io_dmdma_write_sca_ase_funcs

const gsc_io_func_t io_dmdma_write_sca_ase_funcs

Initial value:

=
{
    {
        _tx_setup,
        _dmdma_tx_available_scd,
        io_auto_start,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        _dmdma_tx_available_scd,
        io_auto_start,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        _dmdma_tx_available_scd,
        io_auto_start,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    }
}

io_dmdma_write_scd_asd_funcs

const gsc_io_func_t io_dmdma_write_scd_asd_funcs

Initial value:

=
{
    {
        _dmdma_tx_setup_scd,
        _dmdma_tx_available_scd,
        NULL,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _dmdma_tx_setup_scd,
        _dmdma_tx_available_scd,
        NULL,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _dmdma_tx_setup_scd,
        _dmdma_tx_available_scd,
        NULL,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    }
}

io_dmdma_write_scd_ase_funcs

const gsc_io_func_t io_dmdma_write_scd_ase_funcs

Initial value:

=
{
    {
        _dmdma_tx_setup_scd,
        _dmdma_tx_available_scd,
        io_auto_start,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _dmdma_tx_setup_scd,
        _dmdma_tx_available_scd,
        io_auto_start,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _dmdma_tx_setup_scd,
        _dmdma_tx_available_scd,
        io_auto_start,
        _dmdma_tx_xfer_scd,
        _dmdma_tx_xfer_scd,
        _dma_write_wait,
        _tx_done_overrun
    }
}

io_dmdma_write_scp_asd_funcs

const gsc_io_func_t io_dmdma_write_scp_asd_funcs

Initial value:

=
{
    {
        _tx_setup,
        io_pio_tx_available,
        NULL,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        io_pio_tx_available,
        NULL,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        io_pio_tx_available,
        NULL,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    }
}

io_dmdma_write_scp_ase_funcs

const gsc_io_func_t io_dmdma_write_scp_ase_funcs

Initial value:

=
{
    {
        _tx_setup,
        io_pio_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        io_pio_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    },
    {
        _tx_setup,
        io_pio_tx_available,
        io_auto_start,
        gsc_io_dma_write,
        gsc_io_dma_write,
        _dma_write_wait,
        _tx_done_overrun
    }
}