本文整理汇总了C++中pcim_iomap_regions函数的典型用法代码示例。如果您正苦于以下问题:C++ pcim_iomap_regions函数的具体用法?C++ pcim_iomap_regions怎么用?C++ pcim_iomap_regions使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了pcim_iomap_regions函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: dw_mci_pci_probe
static int dw_mci_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *entries)
{
struct dw_mci *host;
int ret;
ret = pcim_enable_device(pdev);
if (ret)
return ret;
host = devm_kzalloc(&pdev->dev, sizeof(struct dw_mci), GFP_KERNEL);
if (!host)
return -ENOMEM;
host->irq = pdev->irq;
host->irq_flags = IRQF_SHARED;
host->dev = &pdev->dev;
host->pdata = &pci_board_data;
ret = pcim_iomap_regions(pdev, 1 << PCI_BAR_NO, pci_name(pdev));
if (ret)
return ret;
host->regs = pcim_iomap_table(pdev)[PCI_BAR_NO];
pci_set_master(pdev);
ret = dw_mci_probe(host);
if (ret)
return ret;
pci_set_drvdata(pdev, host);
return 0;
}
开发者ID:03199618,项目名称:linux,代码行数:35,代码来源:dw_mmc-pci.c
示例2: vt6421_prepare_host
static int vt6421_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
{
const struct ata_port_info *ppi[] =
{ &vt6421_sport_info, &vt6421_sport_info, &vt6421_pport_info };
struct ata_host *host;
int i, rc;
*r_host = host = ata_host_alloc_pinfo(&pdev->dev, ppi, ARRAY_SIZE(ppi));
if (!host) {
dev_printk(KERN_ERR, &pdev->dev, "failed to allocate host\n");
return -ENOMEM;
}
rc = pcim_iomap_regions(pdev, 0x3f, DRV_NAME);
if (rc) {
dev_printk(KERN_ERR, &pdev->dev, "failed to request/iomap "
"PCI BARs (errno=%d)\n", rc);
return rc;
}
host->iomap = pcim_iomap_table(pdev);
for (i = 0; i < host->n_ports; i++)
vt6421_init_addrs(host->ports[i]);
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
return rc;
rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
return rc;
return 0;
}
开发者ID:3null,项目名称:fastsocket,代码行数:33,代码来源:sata_via.c
示例3: ioat_pci_probe
static int __devinit ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
void __iomem * const *iomap;
struct device *dev = &pdev->dev;
struct ioatdma_device *device;
int err;
err = pcim_enable_device(pdev);
if (err)
return err;
err = pcim_iomap_regions(pdev, 1 << IOAT_MMIO_BAR, DRV_NAME);
if (err)
return err;
iomap = pcim_iomap_table(pdev);
if (!iomap)
return -ENOMEM;
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (err)
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (err)
return err;
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (err)
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
if (err)
return err;
device = devm_kzalloc(dev, sizeof(*device), GFP_KERNEL);
if (!device)
return -ENOMEM;
pci_set_master(pdev);
device = alloc_ioatdma(pdev, iomap[IOAT_MMIO_BAR]);
if (!device)
return -ENOMEM;
pci_set_drvdata(pdev, device);
device->version = readb(device->reg_base + IOAT_VER_OFFSET);
if (device->version == IOAT_VER_1_2)
err = ioat1_dma_probe(device, ioat_dca_enabled);
else if (device->version == IOAT_VER_2_0)
err = ioat2_dma_probe(device, ioat_dca_enabled);
else if (device->version >= IOAT_VER_3_0)
err = ioat3_dma_probe(device, ioat_dca_enabled);
else
return -ENODEV;
if (err) {
dev_err(dev, "Intel(R) I/OAT DMA Engine init failed\n");
return -ENODEV;
}
return 0;
}
开发者ID:KaZoom,项目名称:buildroot-linux-kernel-m3,代码行数:58,代码来源:pci.c
示例4: stmmac_pci_probe
/**
* stmmac_pci_probe
*
* @pdev: pci device pointer
* @id: pointer to table of device id/id's.
*
* Description: This probing function gets called for all PCI devices which
* match the ID table and are not "owned" by other driver yet. This function
* gets passed a "struct pci_dev *" for each device whose entry in the ID table
* matches the device. The probe functions returns zero when the driver choose
* to take "ownership" of the device or an error code(-ve no) otherwise.
*/
static int stmmac_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct stmmac_pci_info *info = (struct stmmac_pci_info *)id->driver_data;
struct plat_stmmacenet_data *plat;
struct stmmac_resources res;
int i;
int ret;
plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
if (!plat)
return -ENOMEM;
plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
sizeof(*plat->mdio_bus_data),
GFP_KERNEL);
if (!plat->mdio_bus_data)
return -ENOMEM;
plat->dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*plat->dma_cfg),
GFP_KERNEL);
if (!plat->dma_cfg)
return -ENOMEM;
/* Enable pci device */
ret = pci_enable_device(pdev);
if (ret) {
dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n",
__func__);
return ret;
}
/* Get the base address of device */
for (i = 0; i <= PCI_STD_RESOURCE_END; i++) {
if (pci_resource_len(pdev, i) == 0)
continue;
ret = pcim_iomap_regions(pdev, BIT(i), pci_name(pdev));
if (ret)
return ret;
break;
}
pci_set_master(pdev);
ret = info->setup(pdev, plat);
if (ret)
return ret;
pci_enable_msi(pdev);
memset(&res, 0, sizeof(res));
res.addr = pcim_iomap_table(pdev)[i];
res.wol_irq = pdev->irq;
res.irq = pdev->irq;
return stmmac_dvr_probe(&pdev->dev, plat, &res);
}
开发者ID:avagin,项目名称:linux,代码行数:69,代码来源:stmmac_pci.c
示例5: mt76pci_probe
static int
mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct mt76x2_dev *dev;
int ret;
ret = pcim_enable_device(pdev);
if (ret)
return ret;
ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
if (ret)
return ret;
pci_set_master(pdev);
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret)
return ret;
dev = mt76x2_alloc_device(&pdev->dev);
if (!dev)
return -ENOMEM;
mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION);
dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev);
ret = devm_request_irq(dev->mt76.dev, pdev->irq, mt76x2_irq_handler,
IRQF_SHARED, KBUILD_MODNAME, dev);
if (ret)
goto error;
ret = mt76x2_register_device(dev);
if (ret)
goto error;
/* Fix up ASPM configuration */
/* RG_SSUSB_G1_CDR_BIR_LTR = 0x9 */
mt76_rmw_field(dev, 0x15a10, 0x1f << 16, 0x9);
/* RG_SSUSB_G1_CDR_BIC_LTR = 0xf */
mt76_rmw_field(dev, 0x15a0c, 0xf << 28, 0xf);
/* RG_SSUSB_CDR_BR_PE1D = 0x3 */
mt76_rmw_field(dev, 0x15c58, 0x3 << 6, 0x3);
return 0;
error:
ieee80211_free_hw(mt76_hw(dev));
return ret;
}
开发者ID:Lyude,项目名称:linux,代码行数:55,代码来源:mt76x2_pci.c
示例6: hsu_pci_probe
static int hsu_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct hsu_dma_chip *chip;
int ret;
ret = pcim_enable_device(pdev);
if (ret)
return ret;
ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
if (ret) {
dev_err(&pdev->dev, "I/O memory remapping failed\n");
return ret;
}
pci_set_master(pdev);
pci_try_set_mwi(pdev);
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret)
return ret;
ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret)
return ret;
chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
chip->dev = &pdev->dev;
chip->regs = pcim_iomap_table(pdev)[0];
chip->length = pci_resource_len(pdev, 0);
chip->offset = HSU_PCI_CHAN_OFFSET;
chip->irq = pdev->irq;
pci_enable_msi(pdev);
ret = hsu_dma_probe(chip);
if (ret)
return ret;
ret = request_irq(chip->irq, hsu_pci_irq, 0, "hsu_dma_pci", chip);
if (ret)
goto err_register_irq;
pci_set_drvdata(pdev, chip);
return 0;
err_register_irq:
hsu_dma_remove(chip);
return ret;
}
开发者ID:020gzh,项目名称:linux,代码行数:54,代码来源:pci.c
示例7: ninja32_init_one
static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
struct ata_host *host;
struct ata_port *ap;
void __iomem *base;
int rc;
host = ata_host_alloc(&dev->dev, 1);
if (!host)
return -ENOMEM;
ap = host->ports[0];
/* Set up the PCI device */
rc = pcim_enable_device(dev);
if (rc)
return rc;
rc = pcim_iomap_regions(dev, 1 << 0, DRV_NAME);
if (rc == -EBUSY)
pcim_pin_device(dev);
if (rc)
return rc;
host->iomap = pcim_iomap_table(dev);
rc = pci_set_dma_mask(dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = pci_set_consistent_dma_mask(dev, ATA_DMA_MASK);
if (rc)
return rc;
pci_set_master(dev);
/* Set up the register mappings. We use the I/O mapping as only the
older chips also have MMIO on BAR 1 */
base = host->iomap[0];
if (!base)
return -ENOMEM;
ap->ops = &ninja32_port_ops;
ap->pio_mask = ATA_PIO4;
ap->flags |= ATA_FLAG_SLAVE_POSS;
ap->ioaddr.cmd_addr = base + 0x10;
ap->ioaddr.ctl_addr = base + 0x1E;
ap->ioaddr.altstatus_addr = base + 0x1E;
ap->ioaddr.bmdma_addr = base;
ata_sff_std_ports(&ap->ioaddr);
ap->pflags = ATA_PFLAG_PIO32 | ATA_PFLAG_PIO32CHANGE;
ninja32_program(base);
/* FIXME: Should we disable them at remove ? */
return ata_host_activate(host, dev->irq, ata_bmdma_interrupt,
IRQF_SHARED, &ninja32_sht);
}
开发者ID:08opt,项目名称:linux,代码行数:52,代码来源:pata_ninja32.c
示例8: scc_init_one
static int scc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
unsigned int board_idx = (unsigned int) ent->driver_data;
struct device *dev = &pdev->dev;
struct ata_probe_ent *probe_ent;
int rc;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
rc = pcim_enable_device(pdev);
if (rc)
return rc;
rc = pcim_iomap_regions(pdev, (1 << SCC_CTRL_BAR) | (1 << SCC_BMID_BAR), DRV_NAME);
if (rc == -EBUSY)
pcim_pin_device(pdev);
if (rc)
return rc;
probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL);
if (!probe_ent)
return -ENOMEM;
probe_ent->dev = dev;
INIT_LIST_HEAD(&probe_ent->node);
probe_ent->sht = scc_port_info[board_idx].sht;
probe_ent->port_flags = scc_port_info[board_idx].flags;
probe_ent->pio_mask = scc_port_info[board_idx].pio_mask;
probe_ent->udma_mask = scc_port_info[board_idx].udma_mask;
probe_ent->port_ops = scc_port_info[board_idx].port_ops;
probe_ent->irq = pdev->irq;
probe_ent->irq_flags = IRQF_SHARED;
probe_ent->iomap = pcim_iomap_table(pdev);
rc = scc_host_init(probe_ent);
if (rc)
return rc;
if (!ata_device_add(probe_ent))
return -ENODEV;
devm_kfree(dev, probe_ent);
return 0;
}
开发者ID:420GrayFox,项目名称:dsl-n55u-bender,代码行数:49,代码来源:pata_scc.c
示例9: mt76pci_probe
static int
mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct mt7603_dev *dev;
int ret;
ret = pcim_enable_device(pdev);
if (ret)
return ret;
ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
if (ret)
return ret;
pci_set_master(pdev);
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret)
return ret;
dev = mt7603_alloc_device(&pdev->dev);
if (!dev)
return -ENOMEM;
mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
pci_set_drvdata(pdev, dev);
dev->mt76.rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
(mt76_rr(dev, MT_HW_REV) & 0xff);
dev_printk(KERN_INFO, dev->mt76.dev, "ASIC revision: %04x\n", dev->mt76.rev);
ret = devm_request_irq(dev->mt76.dev, pdev->irq, mt7603_irq_handler,
IRQF_SHARED, KBUILD_MODNAME, dev);
if (ret)
goto error;
ret = mt7603_register_device(dev);
if (ret)
goto error;
return 0;
error:
ieee80211_free_hw(mt76_hw(dev));
return ret;
}
开发者ID:LastRitter,项目名称:mt76,代码行数:46,代码来源:mt7603_pci.c
示例10: ce4100_spi_probe
static int ce4100_spi_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
struct platform_device_info pi;
int ret;
struct platform_device *pdev;
struct pxa2xx_spi_master spi_pdata;
struct ssp_device *ssp;
ret = pcim_enable_device(dev);
if (ret)
return ret;
ret = pcim_iomap_regions(dev, 1 << 0, "PXA2xx SPI");
if (ret)
return ret;
memset(&spi_pdata, 0, sizeof(spi_pdata));
spi_pdata.num_chipselect = dev->devfn;
ssp = &spi_pdata.ssp;
ssp->phys_base = pci_resource_start(dev, 0);
ssp->mmio_base = pcim_iomap_table(dev)[0];
if (!ssp->mmio_base) {
dev_err(&dev->dev, "failed to ioremap() registers\n");
return -EIO;
}
ssp->irq = dev->irq;
ssp->port_id = dev->devfn;
ssp->type = PXA25x_SSP;
memset(&pi, 0, sizeof(pi));
pi.parent = &dev->dev;
pi.name = "pxa2xx-spi";
pi.id = ssp->port_id;
pi.data = &spi_pdata;
pi.size_data = sizeof(spi_pdata);
pdev = platform_device_register_full(&pi);
if (IS_ERR(pdev))
return PTR_ERR(pdev);
pci_set_drvdata(dev, pdev);
return 0;
}
开发者ID:AD5GB,项目名称:kernel_n5_3.10-experimental,代码行数:46,代码来源:spi-pxa2xx-pci.c
示例11: ufshcd_pci_probe
/**
* ufshcd_pci_probe - probe routine of the driver
* @pdev: pointer to PCI device handle
* @id: PCI device id
*
* Returns 0 on success, non-zero value on failure
*/
static int
ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct ufs_hba *hba;
void __iomem *mmio_base;
int err;
err = pcim_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "pcim_enable_device failed\n");
return err;
}
pci_set_master(pdev);
err = pcim_iomap_regions(pdev, 1 << 0, UFSHCD);
if (err < 0) {
dev_err(&pdev->dev, "request and iomap failed\n");
return err;
}
mmio_base = pcim_iomap_table(pdev)[0];
err = ufshcd_alloc_host(&pdev->dev, &hba);
if (err) {
dev_err(&pdev->dev, "Allocation failed\n");
return err;
}
INIT_LIST_HEAD(&hba->clk_list_head);
err = ufshcd_init(hba, mmio_base, pdev->irq);
if (err) {
dev_err(&pdev->dev, "Initialization failed\n");
ufshcd_dealloc_host(hba);
return err;
}
pci_set_drvdata(pdev, hba);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_allow(&pdev->dev);
return 0;
}
开发者ID:AudioGod,项目名称:Gods_kernel_yu_msm8916,代码行数:51,代码来源:ufshcd-pci.c
示例12: dw_pci_probe
static int dw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
{
const struct dw_dma_platform_data *pdata = (void *)pid->driver_data;
struct dw_dma_chip *chip;
int ret;
ret = pcim_enable_device(pdev);
if (ret)
return ret;
ret = pcim_iomap_regions(pdev, 1 << 0, pci_name(pdev));
if (ret) {
dev_err(&pdev->dev, "I/O memory remapping failed\n");
return ret;
}
pci_set_master(pdev);
pci_try_set_mwi(pdev);
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret)
return ret;
ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret)
return ret;
chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
chip->dev = &pdev->dev;
chip->regs = pcim_iomap_table(pdev)[0];
chip->irq = pdev->irq;
chip->pdata = pdata;
ret = dw_dma_probe(chip);
if (ret)
return ret;
pci_set_drvdata(pdev, chip);
return 0;
}
开发者ID:513855417,项目名称:linux,代码行数:44,代码来源:pci.c
示例13: isci_pci_init
static int isci_pci_init(struct pci_dev *pdev)
{
int err, bar_num, bar_mask = 0;
void __iomem * const *iomap;
err = pcim_enable_device(pdev);
if (err) {
dev_err(&pdev->dev,
"failed enable PCI device %s!\n",
pci_name(pdev));
return err;
}
for (bar_num = 0; bar_num < SCI_PCI_BAR_COUNT; bar_num++)
bar_mask |= 1 << (bar_num * 2);
err = pcim_iomap_regions(pdev, bar_mask, DRV_NAME);
if (err)
return err;
iomap = pcim_iomap_table(pdev);
if (!iomap)
return -ENOMEM;
pci_set_master(pdev);
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (err) {
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (err)
return err;
}
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (err) {
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
if (err)
return err;
}
return 0;
}
开发者ID:020gzh,项目名称:linux,代码行数:42,代码来源:init.c
示例14: vt6420_prepare_host
static int vt6420_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
{
const struct ata_port_info *ppi[] = { &vt6420_port_info, NULL };
struct ata_host *host;
int rc;
rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
*r_host = host;
rc = pcim_iomap_regions(pdev, 1 << 5, DRV_NAME);
if (rc) {
dev_printk(KERN_ERR, &pdev->dev, "failed to iomap PCI BAR 5\n");
return rc;
}
host->ports[0]->ioaddr.scr_addr = svia_scr_addr(host->iomap[5], 0);
host->ports[1]->ioaddr.scr_addr = svia_scr_addr(host->iomap[5], 1);
return 0;
}
开发者ID:3null,项目名称:fastsocket,代码行数:22,代码来源:sata_via.c
示例15: pcim_iomap_regions
static void __iomem *qtnf_map_bar(struct qtnf_pcie_bus_priv *priv, u8 index)
{
void __iomem *vaddr;
dma_addr_t busaddr;
size_t len;
int ret;
ret = pcim_iomap_regions(priv->pdev, 1 << index, DRV_NAME);
if (ret)
return IOMEM_ERR_PTR(ret);
busaddr = pci_resource_start(priv->pdev, index);
len = pci_resource_len(priv->pdev, index);
vaddr = pcim_iomap_table(priv->pdev)[index];
if (!vaddr)
return IOMEM_ERR_PTR(-ENOMEM);
pr_debug("BAR%u vaddr=0x%p busaddr=%pad len=%u\n",
index, vaddr, &busaddr, (int)len);
return vaddr;
}
开发者ID:Lyude,项目名称:linux,代码行数:22,代码来源:pcie.c
示例16: vt8251_prepare_host
static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
{
const struct ata_port_info *ppi[] = { &vt8251_port_info, NULL };
struct ata_host *host;
int i, rc;
rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
*r_host = host;
rc = pcim_iomap_regions(pdev, 1 << 5, DRV_NAME);
if (rc) {
dev_printk(KERN_ERR, &pdev->dev, "failed to iomap PCI BAR 5\n");
return rc;
}
/* 8251 hosts four sata ports as M/S of the two channels */
for (i = 0; i < host->n_ports; i++)
ata_slave_link_init(host->ports[i]);
return 0;
}
开发者ID:3null,项目名称:fastsocket,代码行数:23,代码来源:sata_via.c
示例17: vmci_guest_probe_device
/*
* Most of the initialization at module load time is done here.
*/
static int vmci_guest_probe_device(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct vmci_guest_device *vmci_dev;
void __iomem *iobase;
unsigned int capabilities;
unsigned long cmd;
int vmci_err;
int error;
dev_dbg(&pdev->dev, "Probing for vmci/PCI guest device\n");
error = pcim_enable_device(pdev);
if (error) {
dev_err(&pdev->dev,
"Failed to enable VMCI device: %d\n", error);
return error;
}
error = pcim_iomap_regions(pdev, 1 << 0, KBUILD_MODNAME);
if (error) {
dev_err(&pdev->dev, "Failed to reserve/map IO regions\n");
return error;
}
iobase = pcim_iomap_table(pdev)[0];
dev_info(&pdev->dev, "Found VMCI PCI device at %#lx, irq %u\n",
(unsigned long)iobase, pdev->irq);
vmci_dev = devm_kzalloc(&pdev->dev, sizeof(*vmci_dev), GFP_KERNEL);
if (!vmci_dev) {
dev_err(&pdev->dev,
"Can't allocate memory for VMCI device\n");
return -ENOMEM;
}
vmci_dev->dev = &pdev->dev;
vmci_dev->exclusive_vectors = false;
vmci_dev->iobase = iobase;
tasklet_init(&vmci_dev->datagram_tasklet,
vmci_dispatch_dgs, (unsigned long)vmci_dev);
tasklet_init(&vmci_dev->bm_tasklet,
vmci_process_bitmap, (unsigned long)vmci_dev);
vmci_dev->data_buffer = vmalloc(VMCI_MAX_DG_SIZE);
if (!vmci_dev->data_buffer) {
dev_err(&pdev->dev,
"Can't allocate memory for datagram buffer\n");
return -ENOMEM;
}
pci_set_master(pdev); /* To enable queue_pair functionality. */
/*
* Verify that the VMCI Device supports the capabilities that
* we need. If the device is missing capabilities that we would
* like to use, check for fallback capabilities and use those
* instead (so we can run a new VM on old hosts). Fail the load if
* a required capability is missing and there is no fallback.
*
* Right now, we need datagrams. There are no fallbacks.
*/
capabilities = ioread32(vmci_dev->iobase + VMCI_CAPS_ADDR);
if (!(capabilities & VMCI_CAPS_DATAGRAM)) {
dev_err(&pdev->dev, "Device does not support datagrams\n");
error = -ENXIO;
goto err_free_data_buffer;
}
/*
* If the hardware supports notifications, we will use that as
* well.
*/
if (capabilities & VMCI_CAPS_NOTIFICATIONS) {
vmci_dev->notification_bitmap = dma_alloc_coherent(
&pdev->dev, PAGE_SIZE, &vmci_dev->notification_base,
GFP_KERNEL);
if (!vmci_dev->notification_bitmap) {
dev_warn(&pdev->dev,
"Unable to allocate notification bitmap\n");
} else {
memset(vmci_dev->notification_bitmap, 0, PAGE_SIZE);
capabilities |= VMCI_CAPS_NOTIFICATIONS;
}
}
dev_info(&pdev->dev, "Using capabilities 0x%x\n", capabilities);
/* Let the host know which capabilities we intend to use. */
iowrite32(capabilities, vmci_dev->iobase + VMCI_CAPS_ADDR);
/* Set up global device so that we can start sending datagrams */
spin_lock_irq(&vmci_dev_spinlock);
vmci_dev_g = vmci_dev;
vmci_pdev = pdev;
//.........这里部分代码省略.........
开发者ID:AshishNamdev,项目名称:linux,代码行数:101,代码来源:vmci_guest.c
示例18: sil680_init_one
static int sil680_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
static const struct ata_port_info info = {
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &sil680_port_ops
};
static const struct ata_port_info info_slow = {
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA5,
.port_ops = &sil680_port_ops
};
const struct ata_port_info *ppi[] = { &info, NULL };
struct ata_host *host;
void __iomem *mmio_base;
int rc, try_mmio;
ata_print_version_once(&pdev->dev, DRV_VERSION);
rc = pcim_enable_device(pdev);
if (rc)
return rc;
switch (sil680_init_chip(pdev, &try_mmio)) {
case 0:
ppi[0] = &info_slow;
break;
case 0x30:
return -ENODEV;
}
if (!try_mmio)
goto use_ioports;
/* Try to acquire MMIO resources and fallback to PIO if
* that fails
*/
rc = pcim_iomap_regions(pdev, 1 << SIL680_MMIO_BAR, DRV_NAME);
if (rc)
goto use_ioports;
/* Allocate host and set it up */
host = ata_host_alloc_pinfo(&pdev->dev, ppi, 2);
if (!host)
return -ENOMEM;
host->iomap = pcim_iomap_table(pdev);
/* Setup DMA masks */
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
return rc;
rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
return rc;
pci_set_master(pdev);
/* Get MMIO base and initialize port addresses */
mmio_base = host->iomap[SIL680_MMIO_BAR];
host->ports[0]->ioaddr.bmdma_addr = mmio_base + 0x00;
host->ports[0]->ioaddr.cmd_addr = mmio_base + 0x80;
host->ports[0]->ioaddr.ctl_addr = mmio_base + 0x8a;
host->ports[0]->ioaddr.altstatus_addr = mmio_base + 0x8a;
ata_sff_std_ports(&host->ports[0]->ioaddr);
host->ports[1]->ioaddr.bmdma_addr = mmio_base + 0x08;
host->ports[1]->ioaddr.cmd_addr = mmio_base + 0xc0;
host->ports[1]->ioaddr.ctl_addr = mmio_base + 0xca;
host->ports[1]->ioaddr.altstatus_addr = mmio_base + 0xca;
ata_sff_std_ports(&host->ports[1]->ioaddr);
/* Register & activate */
return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
IRQF_SHARED, &sil680_sht);
use_ioports:
return ata_pci_bmdma_init_one(pdev, ppi, &sil680_sht, NULL, 0);
}
开发者ID:0x000000FF,项目名称:Linux4Edison,代码行数:80,代码来源:pata_sil680.c
示例19: sis_init_one
//.........这里部分代码省略.........
/* check and see if the SCRs are in IO space or PCI cfg space */
pci_read_config_dword(pdev, SIS_GENCTL, &genctl);
if ((genctl & GENCTL_IOMAPPED_SCR) == 0)
pi.flags |= SIS_FLAG_CFGSCR;
/* if hardware thinks SCRs are in IO space, but there are
* no IO resources assigned, change to PCI cfg space.
*/
if ((!(pi.flags & SIS_FLAG_CFGSCR)) &&
((pci_resource_start(pdev, SIS_SCR_PCI_BAR) == 0) ||
(pci_resource_len(pdev, SIS_SCR_PCI_BAR) < 128))) {
genctl &= ~GENCTL_IOMAPPED_SCR;
pci_write_config_dword(pdev, SIS_GENCTL, genctl);
pi.flags |= SIS_FLAG_CFGSCR;
}
pci_read_config_byte(pdev, SIS_PMR, &pmr);
switch (ent->device) {
case 0x0180:
case 0x0181:
/* The PATA-handling is provided by pata_sis */
switch (pmr & 0x30) {
case 0x10:
ppi[1] = &sis_info133_for_sata;
break;
case 0x30:
ppi[0] = &sis_info133_for_sata;
break;
}
if ((pmr & SIS_PMR_COMBINED) == 0) {
dev_info(&pdev->dev,
"Detected SiS 180/181/964 chipset in SATA mode\n");
port2_start = 64;
} else {
dev_info(&pdev->dev,
"Detected SiS 180/181 chipset in combined mode\n");
port2_start = 0;
pi.flags |= ATA_FLAG_SLAVE_POSS;
}
break;
case 0x0182:
case 0x0183:
pci_read_config_dword(pdev, 0x6C, &val);
if (val & (1L << 31)) {
dev_info(&pdev->dev, "Detected SiS 182/965 chipset\n");
pi.flags |= ATA_FLAG_SLAVE_POSS;
} else {
dev_info(&pdev->dev, "Detected SiS 182/965L chipset\n");
}
break;
case 0x1182:
dev_info(&pdev->dev,
"Detected SiS 1182/966/680 SATA controller\n");
pi.flags |= ATA_FLAG_SLAVE_POSS;
break;
case 0x1183:
dev_info(&pdev->dev,
"Detected SiS 1183/966/966L/968/680 controller in PATA mode\n");
ppi[0] = &sis_info133_for_sata;
ppi[1] = &sis_info133_for_sata;
break;
}
rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
for (i = 0; i < 2; i++) {
struct ata_port *ap = host->ports[i];
if (ap->flags & ATA_FLAG_SATA &&
ap->flags & ATA_FLAG_SLAVE_POSS) {
rc = ata_slave_link_init(ap);
if (rc)
return rc;
}
}
if (!(pi.flags & SIS_FLAG_CFGSCR)) {
void __iomem *mmio;
rc = pcim_iomap_regions(pdev, 1 << SIS_SCR_PCI_BAR, DRV_NAME);
if (rc)
return rc;
mmio = host->iomap[SIS_SCR_PCI_BAR];
host->ports[0]->ioaddr.scr_addr = mmio;
host->ports[1]->ioaddr.scr_addr = mmio + port2_start;
}
pci_set_master(pdev);
pci_intx(pdev, 1);
return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
IRQF_SHARED, &sis_sht);
}
开发者ID:TheTypoMaster,项目名称:yotrino-linux-kernel,代码行数:101,代码来源:sata_sis.c
示例20: atomisp_pci_probe
static int atomisp_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
const struct atomisp_platform_data *pdata;
struct atomisp_device *isp;
unsigned int start;
void __iomem *base;
int err;
if (!dev) {
dev_err(&dev->dev, "atomisp: error device ptr\n");
return -EINVAL;
}
atomisp_pci_vendor = id->vendor;
atomisp_pci_device = id->device;
pdata = atomisp_get_platform_data();
if (pdata == NULL) {
dev_err(&dev->dev, "no platform data available\n");
return -ENODEV;
}
err = pcim_enable_device(dev);
if (err) {
dev_err(&dev->dev, "Failed to enable CI ISP device (%d)\n",
err);
return err;
}
start = pci_resource_start(dev, ATOM_ISP_PCI_BAR);
v4l2_dbg(1, dbg_level, &atomisp_dev, "start: 0x%x\n", start);
err = pcim_iomap_regions(dev, 1 << ATOM_ISP_PCI_BAR, pci_name(dev));
if (err) {
dev_err(&dev->dev, "Failed to I/O memory remapping (%d)\n",
err);
return err;
}
base = pcim_iomap_table(dev)[ATOM_ISP_PCI_BAR];
v4l2_dbg(1, dbg_level, &atomisp_dev, "base: %p\n", base);
atomisp_io_base = base;
v4l2_dbg(1, dbg_level, &atomisp_dev, "atomisp_io_base: %p\n",
atomisp_io_base);
isp = devm_kzalloc(&dev->dev, sizeof(struct atomisp_device), GFP_KERNEL);
if (!isp) {
dev_err(&dev->dev, "Failed to alloc CI ISP structure\n");
return -ENOMEM;
}
isp->pdev = dev;
isp->dev = &dev->dev;
isp->sw_contex.power_state = ATOM_ISP_POWER_UP;
isp->pci_root = pci_get_bus_and_slot(0, 0);
if (!isp->pci_root) {
dev_err(&dev->dev, "Unable to find PCI host\n");
return -ENODEV;
}
isp->saved_regs.ispmmadr = start;
mutex_init(&isp->mutex);
mutex_init(&isp->streamoff_mutex);
spin_lock_init(&isp->lock);
init_completion(&isp->init_done);
isp->media_dev.driver_version = ATOMISP_CSS_VERSION_20;
switch (id->device & ATOMISP_PCI_DEVICE_SOC_MASK) {
case ATOMISP_PCI_DEVICE_SOC_MRFLD:
case ATOMISP_PCI_DEVICE_SOC_BYT:
isp->media_dev.hw_revision =
(ATOMISP_HW_REVISION_ISP2400
<< ATOMISP_HW_REVISION_SHIFT) |
#ifdef CONFIG_ISP2400
ATOMISP_HW_STEPPING_A0;
#else
ATOMISP_HW_STEPPING_B0;
#endif
break;
default:
/* Medfield and Clovertrail. */
isp->media_dev.hw_revision =
(ATOMISP_HW_REVISION_ISP2300
<< ATOMISP_HW_REVISION_SHIFT) |
(dev->revision < 0x09 ?
ATOMISP_HW_STEPPING_A0 : ATOMISP_HW_STEPPING_B0);
}
isp->max_isr_latency = ATOMISP_MAX_ISR_LATENCY;
if ((pdata->spid->platform_family_id == INTEL_CLVTP_PHONE ||
pdata->spid->platform_family_id == INTEL_CLVT_TABLET) &&
isp->pdev->revision < 0x09) {
/* Workaround for Cloverview(+) older than stepping B0 */
isp->max_isr_latency = CSTATE_EXIT_LATENCY_C1;
}
/* Load isp firmware from user space */
//.........这里部分代码省略.........
开发者ID:nel82,项目名称:android_zenfone4_JB,代码行数:101,代码来源:atomisp_v4l2.c
注:本文中的pcim_iomap_regions函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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