int _kc_pci_set_dma_mask(struct pci_dev *dev, dma_addr_t mask)
{
if (!pci_dma_supported(dev, mask))
return -EIO;
dev->dma_mask = mask;
return 0;
}
int dma_supported(struct device *dev, u64 mask)
{
if (dev->bus == &pci_bus_type)
return pci_dma_supported(to_pci_dev(dev), mask);
if (dev->bus == &vio_bus_type)
return vio_dma_supported(to_vio_dev(dev), mask);
BUG();
return 0;
}
int
pscnv_mem_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
int ret;
int dma_bits = 32;
#ifdef __linux__
if (dev_priv->card_type >= NV_50 &&
pci_dma_supported(dev->pdev, DMA_BIT_MASK(40)))
dma_bits = 40;
ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits));
if (ret) {
NV_ERROR(dev, "Error setting DMA mask: %d\n", ret);
return ret;
}
#else
if (dev_priv->card_type >= NV_50)
dma_bits = 40;
#endif
dev_priv->dma_mask = DMA_BIT_MASK(dma_bits);
spin_lock_init(&dev_priv->pramin_lock);
mutex_init(&dev_priv->vram_mutex);
switch (dev_priv->card_type) {
case NV_50:
ret = nv50_vram_init(dev);
break;
case NV_D0:
case NV_C0:
ret = nvc0_vram_init(dev);
break;
default:
NV_ERROR(dev, "No VRAM allocator for NV%02x!\n", dev_priv->chipset);
ret = -ENOSYS;
}
if (ret)
return ret;
dev_priv->fb_mtrr = drm_mtrr_add(drm_get_resource_start(dev, 1),
drm_get_resource_len(dev, 1),
DRM_MTRR_WC);
return 0;
}
static int tw68_initdev(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
struct tw68_dev *dev;
int vidnr = -1;
int err;
dev = devm_kzalloc(&pci_dev->dev, sizeof(*dev), GFP_KERNEL);
if (NULL == dev)
return -ENOMEM;
dev->instance = v4l2_device_set_name(&dev->v4l2_dev, "tw68",
&tw68_instance);
err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
if (err)
return err;
/* pci init */
dev->pci = pci_dev;
if (pci_enable_device(pci_dev)) {
err = -EIO;
goto fail1;
}
dev->name = dev->v4l2_dev.name;
if (UNSET != latency) {
pr_info("%s: setting pci latency timer to %d\n",
dev->name, latency);
pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
}
/* print pci info */
pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
dev->pci_lat, (u64)pci_resource_start(pci_dev, 0));
pci_set_master(pci_dev);
if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
pr_info("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
err = -EIO;
goto fail1;
}
switch (pci_id->device) {
case PCI_DEVICE_ID_6800: /* TW6800 */
dev->vdecoder = TW6800;
dev->board_virqmask = TW68_VID_INTS;
break;
case PCI_DEVICE_ID_6801: /* Video decoder for TW6802 */
dev->vdecoder = TW6801;
dev->board_virqmask = TW68_VID_INTS | TW68_VID_INTSX;
break;
case PCI_DEVICE_ID_6804: /* Video decoder for TW6804 */
dev->vdecoder = TW6804;
dev->board_virqmask = TW68_VID_INTS | TW68_VID_INTSX;
break;
default:
dev->vdecoder = TWXXXX; /* To be announced */
dev->board_virqmask = TW68_VID_INTS | TW68_VID_INTSX;
break;
}
/* get mmio */
if (!request_mem_region(pci_resource_start(pci_dev, 0),
pci_resource_len(pci_dev, 0),
dev->name)) {
err = -EBUSY;
pr_err("%s: can't get MMIO memory @ 0x%llx\n",
dev->name,
(unsigned long long)pci_resource_start(pci_dev, 0));
goto fail1;
}
dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
pci_resource_len(pci_dev, 0));
dev->bmmio = (__u8 __iomem *)dev->lmmio;
if (NULL == dev->lmmio) {
err = -EIO;
pr_err("%s: can't ioremap() MMIO memory\n",
dev->name);
goto fail2;
}
/* initialize hardware #1 */
/* Then do any initialisation wanted before interrupts are on */
tw68_hw_init1(dev);
dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
if (IS_ERR(dev->alloc_ctx)) {
err = PTR_ERR(dev->alloc_ctx);
goto fail3;
}
/* get irq */
err = devm_request_irq(&pci_dev->dev, pci_dev->irq, tw68_irq,
IRQF_SHARED, dev->name, dev);
if (err < 0) {
pr_err("%s: can't get IRQ %d\n",
dev->name, pci_dev->irq);
goto fail4;
}
/*
* Now do remainder of initialisation, first for
* things unique for this card, then for general board
*/
if (dev->instance < TW68_MAXBOARDS)
vidnr = video_nr[dev->instance];
/* initialise video function first */
err = tw68_video_init2(dev, vidnr);
if (err < 0) {
pr_err("%s: can't register video device\n",
dev->name);
goto fail5;
}
tw_setl(TW68_INTMASK, dev->pci_irqmask);
pr_info("%s: registered device %s\n",
dev->name, video_device_node_name(&dev->vdev));
return 0;
fail5:
video_unregister_device(&dev->vdev);
fail4:
vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
fail3:
iounmap(dev->lmmio);
fail2:
release_mem_region(pci_resource_start(pci_dev, 0),
pci_resource_len(pci_dev, 0));
fail1:
v4l2_device_unregister(&dev->v4l2_dev);
return err;
}
// chip-specific constructor
// (see "Management of Cards and Components")
static int __devinit
snd_vortex_create(snd_card_t * card, struct pci_dev *pci, vortex_t ** rchip)
{
vortex_t *chip;
int err;
static snd_device_ops_t ops = {
.dev_free = snd_vortex_dev_free,
};
*rchip = NULL;
// check PCI availability (DMA).
if ((err = pci_enable_device(pci)) < 0)
return err;
if (!pci_dma_supported(pci, VORTEX_DMA_MASK)) {
printk(KERN_ERR "error to set DMA mask\n");
return -ENXIO;
}
pci_set_dma_mask(pci, VORTEX_DMA_MASK);
chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
chip->card = card;
// initialize the stuff
chip->pci_dev = pci;
chip->io = pci_resource_start(pci, 0);
chip->vendor = pci->vendor;
chip->device = pci->device;
chip->card = card;
chip->irq = -1;
// (1) PCI resource allocation
// Get MMIO area
//
if ((err = pci_request_regions(pci, CARD_NAME_SHORT)) != 0)
goto regions_out;
chip->mmio = ioremap_nocache(pci_resource_start(pci, 0),
pci_resource_len(pci, 0));
if (!chip->mmio) {
printk(KERN_ERR "MMIO area remap failed.\n");
err = -ENOMEM;
goto ioremap_out;
}
/* Init audio core.
* This must be done before we do request_irq otherwise we can get spurious
* interupts that we do not handle properly and make a mess of things */
if ((err = vortex_core_init(chip)) != 0) {
printk(KERN_ERR "hw core init failed\n");
goto core_out;
}
if ((err = request_irq(pci->irq, vortex_interrupt,
SA_INTERRUPT | SA_SHIRQ, CARD_NAME_SHORT,
chip)) != 0) {
printk(KERN_ERR "cannot grab irq\n");
goto irq_out;
}
chip->irq = pci->irq;
pci_set_master(pci);
// End of PCI setup.
// Register alsa root device.
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
goto alloc_out;
}
*rchip = chip;
return 0;
alloc_out:
synchronize_irq(chip->irq);
free_irq(chip->irq, chip);
irq_out:
vortex_core_shutdown(chip);
core_out:
iounmap(chip->mmio);
ioremap_out:
pci_release_regions(chip->pci_dev);
regions_out:
pci_disable_device(chip->pci_dev);
//FIXME: this not the right place to unregister the gameport
vortex_gameport_unregister(chip);
return err;
}
static int __devinit w840_probe1 (struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct net_device *dev;
struct netdev_private *np;
static int find_cnt;
int chip_idx = ent->driver_data;
int irq = pdev->irq;
int i, option = find_cnt < MAX_UNITS ? options[find_cnt] : 0;
long ioaddr;
if (pci_enable_device(pdev))
return -EIO;
pci_set_master(pdev);
if(!pci_dma_supported(pdev,0xFFFFffff)) {
printk(KERN_WARNING "Winbond-840: Device %s disabled due to DMA limitations.\n",
pdev->name);
return -EIO;
}
dev = init_etherdev(NULL, sizeof(*np));
if (!dev)
return -ENOMEM;
SET_MODULE_OWNER(dev);
#ifdef USE_IO_OPS
ioaddr = pci_resource_start(pdev, 0);
if (!request_region(ioaddr, pci_id_tbl[chip_idx].io_size, dev->name))
goto err_out_netdev;
#else
ioaddr = pci_resource_start(pdev, 1);
if (!request_mem_region(ioaddr, pci_id_tbl[chip_idx].io_size, dev->name))
goto err_out_netdev;
ioaddr = (long) ioremap (ioaddr, pci_id_tbl[chip_idx].io_size);
if (!ioaddr)
goto err_out_iomem;
#endif
printk(KERN_INFO "%s: %s at 0x%lx, ",
dev->name, pci_id_tbl[chip_idx].name, ioaddr);
/* Warning: broken for big-endian machines. */
for (i = 0; i < 3; i++)
((u16 *)dev->dev_addr)[i] = le16_to_cpu(eeprom_read(ioaddr, i));
for (i = 0; i < 5; i++)
printk("%2.2x:", dev->dev_addr[i]);
printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], irq);
/* Reset the chip to erase previous misconfiguration.
No hold time required! */
writel(0x00000001, ioaddr + PCIBusCfg);
dev->base_addr = ioaddr;
dev->irq = irq;
np = dev->priv;
np->chip_id = chip_idx;
np->drv_flags = pci_id_tbl[chip_idx].drv_flags;
np->pdev = pdev;
spin_lock_init(&np->lock);
pdev->driver_data = dev;
if (dev->mem_start)
option = dev->mem_start;
/* The lower four bits are the media type. */
if (option > 0) {
if (option & 0x200)
np->full_duplex = 1;
np->default_port = option & 15;
if (np->default_port)
np->medialock = 1;
}
if (find_cnt < MAX_UNITS && full_duplex[find_cnt] > 0)
np->full_duplex = 1;
if (np->full_duplex)
np->duplex_lock = 1;
/* The chip-specific entries in the device structure. */
dev->open = &netdev_open;
dev->hard_start_xmit = &start_tx;
dev->stop = &netdev_close;
dev->get_stats = &get_stats;
dev->set_multicast_list = &set_rx_mode;
dev->do_ioctl = &mii_ioctl;
dev->tx_timeout = &tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
if (np->drv_flags & CanHaveMII) {
int phy, phy_idx = 0;
for (phy = 1; phy < 32 && phy_idx < 4; phy++) {
int mii_status = mdio_read(dev, phy, 1);
if (mii_status != 0xffff && mii_status != 0x0000) {
np->phys[phy_idx++] = phy;
np->advertising = mdio_read(dev, phy, 4);
printk(KERN_INFO "%s: MII PHY found at address %d, status "
"0x%4.4x advertising %4.4x.\n",
dev->name, phy, mii_status, np->advertising);
}
}
np->mii_cnt = phy_idx;
if (phy_idx == 0) {
printk(KERN_WARNING "%s: MII PHY not found -- this device may "
"not operate correctly.\n", dev->name);
}
}
find_cnt++;
return 0;
#ifndef USE_IO_OPS
err_out_iomem:
release_mem_region(pci_resource_start(pdev, 1),
pci_id_tbl[chip_idx].io_size);
#endif
err_out_netdev:
unregister_netdev (dev);
kfree (dev);
return -ENODEV;
}
/* Driver initialization routine */
static int __devinit emu10k1_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id)
{
struct emu10k1_card *card;
if ((card = kmalloc(sizeof(struct emu10k1_card), GFP_KERNEL)) == NULL) {
printk(KERN_ERR "emu10k1: out of memory\n");
return -ENOMEM;
}
memset(card, 0, sizeof(struct emu10k1_card));
#if LINUX_VERSION_CODE > 0x020320
if (!pci_dma_supported(pci_dev, EMU10K1_DMA_MASK)) {
printk(KERN_ERR "emu10k1: architecture does not support 32bit PCI busmaster DMA\n");
kfree(card);
return -ENODEV;
}
if (pci_enable_device(pci_dev)) {
printk(KERN_ERR "emu10k1: couldn't enable device\n");
kfree(card);
return -ENODEV;
}
pci_set_master(pci_dev);
card->iobase = pci_dev->resource[0].start;
if (request_region(card->iobase, EMU10K1_EXTENT, card_names[pci_id->driver_data]) == NULL) {
printk(KERN_ERR "emu10k1: IO space in use\n");
kfree(card);
return -ENODEV;
}
pci_dev->driver_data = card;
pci_dev->dma_mask = EMU10K1_DMA_MASK;
#else
pci_set_master(pci_dev);
card->iobase = pci_dev->base_address[0] & PCI_BASE_ADDRESS_IO_MASK;
if (check_region(card->iobase, EMU10K1_EXTENT)) {
printk(KERN_ERR "emu10k1: IO space in use\n");
kfree(card);
return -ENODEV;
}
request_region(card->iobase, EMU10K1_EXTENT, card_names[pci_id->driver_data]);
#endif
card->irq = pci_dev->irq;
card->pci_dev = pci_dev;
/* Reserve IRQ Line */
if (request_irq(card->irq, emu10k1_interrupt, SA_SHIRQ, card_names[pci_id->driver_data], card)) {
printk(KERN_ERR "emu10k1: IRQ in use\n");
goto err_irq;
}
pci_read_config_byte(pci_dev, PCI_REVISION_ID, &card->chiprev);
printk(KERN_INFO "emu10k1: %s rev %d found at IO 0x%04lx, IRQ %d\n", card_names[pci_id->driver_data], card->chiprev, card->iobase, card->irq);
spin_lock_init(&card->lock);
card->mixeraddx = card->iobase + AC97DATA;
init_MUTEX(&card->open_sem);
card->open_mode = 0;
init_waitqueue_head(&card->open_wait);
/* Register devices */
if ((card->audio1_num = register_sound_dsp(&emu10k1_audio_fops, -1)) < 0) {
printk(KERN_ERR "emu10k1: cannot register first audio device!\n");
goto err_dev0;
}
if ((card->audio2_num = register_sound_dsp(&emu10k1_audio_fops, -1)) < 0) {
printk(KERN_ERR "emu10k1: cannot register second audio device!\n");
goto err_dev1;
}
if ((card->mixer_num = register_sound_mixer(&emu10k1_mixer_fops, -1)) < 0) {
printk(KERN_ERR "emu10k1: cannot register mixer device!\n");
goto err_dev2;
}
if ((card->midi_num = register_sound_midi(&emu10k1_midi_fops, -1)) < 0) {
printk(KERN_ERR "emu10k1: cannot register midi device!\n");
goto err_dev3;
}
if (emu10k1_init(card) != CTSTATUS_SUCCESS) {
printk(KERN_ERR "emu10k1: cannot initialize device!\n");
goto err_emu10k1_init;
}
if (audio_init(card) != CTSTATUS_SUCCESS) {
printk(KERN_ERR "emu10k1: cannot initialize audio!\n");
goto err_audio_init;
}
if (midi_init(card) != CTSTATUS_SUCCESS) {
printk(KERN_ERR "emu10k1: cannot initialize midi!\n");
goto err_midi_init;
}
mixer_init(card);
DPD(2, "Hardware initialized. TRAM allocated: %u bytes\n", (unsigned int) card->tmemsize);
list_add(&card->list, &emu10k1_devs);
return 0;
err_midi_init:
audio_exit(card);
err_audio_init:
emu10k1_exit(card);
err_emu10k1_init:
unregister_sound_midi(card->midi_num);
err_dev3:
unregister_sound_mixer(card->mixer_num);
err_dev2:
unregister_sound_dsp(card->audio2_num);
err_dev1:
unregister_sound_dsp(card->audio1_num);
err_dev0:
free_irq(card->irq, card);
err_irq:
release_region(card->iobase, EMU10K1_EXTENT);
kfree(card);
return -ENODEV;
}