int sd_setup(void)
{
if(init_channel_data()) //create a channel file if one is not present
{
printf("**** init_channel_data aborted application ***\n");
return 1;
}
if(load_channel_data()) //load data from channel file into cca
{
printf("**** load_channel_data aborted application ****\n");
return 1;
}
if(init_sch(bbb)) //create a schedule file if it is not present
{
printf("**** init_sch aborted application ****\n");
return 1;
}
if(read_sch(bbb))
{
printf("**** read_sch aborted application ****\n");
return 1;
}
return 0;
}
static int __init vino_init(void)
{
unsigned long rev;
dma_addr_t dma;
int i, ret = 0;
/* VINO is Indy specific beast */
if (ip22_is_fullhouse())
return -ENODEV;
/*
* VINO is in the EISA address space, so the sysid register will tell
* us if the EISA_PRESENT pin on MC has been pulled low.
*
* If EISA_PRESENT is not set we definitely don't have a VINO equiped
* system.
*/
if (!(sgimc->systemid & SGIMC_SYSID_EPRESENT)) {
printk(KERN_ERR "VINO not found\n");
return -ENODEV;
}
vino = (struct sgi_vino *)ioremap(VINO_BASE, sizeof(struct sgi_vino));
if (!vino)
return -EIO;
/* Okay, once we know that VINO is present we'll read its revision
* safe way. One never knows... */
if (get_dbe(rev, &(vino->rev_id))) {
printk(KERN_ERR "VINO: failed to read revision register\n");
ret = -ENODEV;
goto out_unmap;
}
if (VINO_ID_VALUE(rev) != VINO_CHIP_ID) {
printk(KERN_ERR "VINO is not VINO (Rev/ID: 0x%04lx)\n", rev);
ret = -ENODEV;
goto out_unmap;
}
printk(KERN_INFO "VINO Rev: 0x%02lx\n", VINO_REV_NUM(rev));
Vino = (struct vino_video *)
kmalloc(sizeof(struct vino_video), GFP_KERNEL);
if (!Vino) {
ret = -ENOMEM;
goto out_unmap;
}
memset(Vino, 0, sizeof(struct vino_video));
Vino->dummy_desc = get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!Vino->dummy_desc) {
ret = -ENOMEM;
goto out_free_vino;
}
Vino->dummy_dma.cpu = pci_alloc_consistent(NULL, 4 * sizeof(dma_addr_t),
&Vino->dummy_dma.dma);
if (!Vino->dummy_dma.cpu) {
ret = -ENOMEM;
goto out_free_dummy_desc;
}
dma = pci_map_single(NULL, (void *)Vino->dummy_desc, PAGE_SIZE,
PCI_DMA_FROMDEVICE);
for (i = 0; i < 4; i++)
Vino->dummy_dma.cpu[i] = dma;
vino->control = 0;
/* prevent VINO from throwing spurious interrupts */
vino->a.next_4_desc = Vino->dummy_dma.dma;
vino->b.next_4_desc = Vino->dummy_dma.dma;
udelay(5);
vino->intr_status = 0;
/* set threshold level */
vino->a.fifo_thres = threshold_a;
vino->b.fifo_thres = threshold_b;
spin_lock_init(&Vino->vino_lock);
spin_lock_init(&Vino->input_lock);
init_channel_data(&Vino->chA, VINO_CHAN_A);
init_channel_data(&Vino->chB, VINO_CHAN_B);
if (request_irq(SGI_VINO_IRQ, vino_interrupt, 0, vinostr, NULL)) {
printk(KERN_ERR "VINO: request irq%02d failed\n",
SGI_VINO_IRQ);
ret = -EAGAIN;
goto out_unmap_dummy_desc;
}
ret = vino_i2c_add_bus();
if (ret) {
printk(KERN_ERR "VINO: I2C bus registration failed\n");
goto out_free_irq;
}
if (video_register_device(&Vino->chA.vdev, VFL_TYPE_GRABBER, -1) < 0) {
printk("%s, chnl %d: device registration failed.\n",
Vino->chA.vdev.name, Vino->chA.chan);
ret = -EINVAL;
goto out_i2c_del_bus;
}
if (video_register_device(&Vino->chB.vdev, VFL_TYPE_GRABBER, -1) < 0) {
printk("%s, chnl %d: device registration failed.\n",
Vino->chB.vdev.name, Vino->chB.chan);
ret = -EINVAL;
goto out_unregister_vdev;
}
#if defined(CONFIG_KMOD) && defined (MODULE)
request_module("saa7191");
request_module("indycam");
#endif
return 0;
out_unregister_vdev:
video_unregister_device(&Vino->chA.vdev);
out_i2c_del_bus:
vino_i2c_del_bus();
out_free_irq:
free_irq(SGI_VINO_IRQ, NULL);
out_unmap_dummy_desc:
pci_unmap_single(NULL, Vino->dummy_dma.dma, PAGE_SIZE,
PCI_DMA_FROMDEVICE);
pci_free_consistent(NULL, 4 * sizeof(dma_addr_t),
(void *)Vino->dummy_dma.cpu, Vino->dummy_dma.dma);
out_free_dummy_desc:
free_page(Vino->dummy_desc);
out_free_vino:
kfree(Vino);
out_unmap:
iounmap(vino);
return ret;
}