Files
FireBee_SVN/if/driver_vec.c
2014-01-01 11:08:24 +00:00

136 lines
3.3 KiB
C

/*
* driver_vec.c
*
* Expose BaS drivers to OS
*
* This file is part of BaS_gcc.
*
* BaS_gcc is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* BaS_gcc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with BaS_gcc. If not, see <http://www.gnu.org/licenses/>.
*
*
* Created on: 24.10.2013
* Author: Markus Fröschle
*/
#include <stdint.h>
#include <stddef.h>
#include "version.h"
#include "xhdi_sd.h"
#include "dma.h"
#include "driver_vec.h"
#include "driver_mem.h"
/*
* driver interface struct for the SD card BaS driver
*/
static struct xhdi_driver_interface xhdi_call_interface =
{
xhdi_call
};
/*
* driver interface struct for the BaS multichannel DMA driver
* This is exactly the same thing FireTOS provides and the MiNT FEC drivers expect.
* It can be directly used in TOS to register the corresponding cookie ("DMAC").
*/
static struct dma_driver_interface dma_interface =
{
.version = 0x0101,
.magic = 'DMAC',
.dma_set_initiator = &dma_set_initiator,
.dma_get_initiator = dma_get_initiator,
.dma_free_initiator = dma_free_initiator,
.dma_set_channel = dma_set_channel,
.dma_get_channel = dma_get_channel,
.dma_free_channel = dma_free_channel,
.dma_clear_channel = dma_clear_channel,
.MCD_startDma = MCD_startDma,
.MCD_dmaStatus = MCD_dmaStatus,
.MCD_XferProgrQuery = MCD_XferProgrQuery,
.MCD_killDma = MCD_killDma,
.MCD_continDma = MCD_continDma,
.MCD_pauseDma = MCD_pauseDma,
.MCD_resumeDma = MCD_resumeDma,
.MCD_csumQuery = MCD_csumQuery,
.dma_malloc = driver_mem_alloc,
.dma_free = driver_mem_free
};
extern const struct fb_info *info_fb;
/*
* driver interface struct for the BaS framebuffer video driver
*/
static struct framebuffer_driver_interface framebuffer_interface =
{
.framebuffer_info = &info_fb
};
static struct generic_interface interfaces[] =
{
{
/* BaS SD-card driver interface */
.type = XHDI_DRIVER,
.name = "SDCARD",
.description = "BaS SD Card driver",
.version = 0,
.revision = 1,
.interface.xhdi = &xhdi_call_interface
},
{
.type = MCD_DRIVER,
.name = "MCDDMA",
.description = "BaS Multichannel DMA driver",
.version = 0,
.revision = 1,
.interface.dma = &dma_interface,
},
{
.type = VIDEO_DRIVER,
.name = "RADEON",
.description = "BaS RADEON framebuffer driver",
.version = 0,
.revision = 1,
.interface.fb = &framebuffer_interface,
},
/* insert new drivers here */
{
.type = END_OF_DRIVERS
}
};
/*
* this is the driver table we expose to the OS
*/
static struct driver_table bas_drivers =
{
.bas_version = MAJOR_VERSION,
.bas_revision = MINOR_VERSION,
.remove_handler = NULL,
.interfaces = { interfaces }
};
void __attribute__((interrupt)) get_bas_drivers(void)
{
__asm__ __volatile__(
"move.l #%[drivers],d0\n\t"
: /* no output */
: [drivers] "o" (bas_drivers) /* input */
: /* clobber */
);
}