[deliverable/linux.git] / drivers / usb / host / isp1760-if.c

/*
 * Glue code for the ISP1760 driver and bus
 * Currently there is support for
 * - OpenFirmware
 * - PCI
 * - PDEV (generic platform device centralized driver model)
 *
 * (c) 2007 Sebastian Siewior <bigeasy@linutronix.de>
 *
 */

#include <linux/usb.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/usb/isp1760.h>
#include <linux/usb/hcd.h>

#include "isp1760-hcd.h"

#ifdef CONFIG_PPC_OF
#include <linux/of.h>
#include <linux/of_platform.h>
#endif

#ifdef CONFIG_PCI
#include <linux/pci.h>
#endif

#ifdef CONFIG_PPC_OF
static int of_isp1760_probe(struct platform_device *dev)
{
	struct usb_hcd *hcd;
	struct device_node *dp = dev->dev.of_node;
	struct resource *res;
	struct resource memory;
	struct of_irq oirq;
	int virq;
	resource_size_t res_len;
	int ret;
	const unsigned int *prop;
	unsigned int devflags = 0;

	ret = of_address_to_resource(dp, 0, &memory);
	if (ret)
		return -ENXIO;

	res_len = resource_size(&memory);

	res = request_mem_region(memory.start, res_len, dev_name(&dev->dev));
	if (!res)
		return -EBUSY;

	if (of_irq_map_one(dp, 0, &oirq)) {
		ret = -ENODEV;
		goto release_reg;
	}

	virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
			oirq.size);

	if (of_device_is_compatible(dp, "nxp,usb-isp1761"))
		devflags |= ISP1760_FLAG_ISP1761;

	/* Some systems wire up only 16 of the 32 data lines */
	prop = of_get_property(dp, "bus-width", NULL);
	if (prop && *prop == 16)
		devflags |= ISP1760_FLAG_BUS_WIDTH_16;

	if (of_get_property(dp, "port1-otg", NULL) != NULL)
		devflags |= ISP1760_FLAG_OTG_EN;

	if (of_get_property(dp, "analog-oc", NULL) != NULL)
		devflags |= ISP1760_FLAG_ANALOG_OC;

	if (of_get_property(dp, "dack-polarity", NULL) != NULL)
		devflags |= ISP1760_FLAG_DACK_POL_HIGH;

	if (of_get_property(dp, "dreq-polarity", NULL) != NULL)
		devflags |= ISP1760_FLAG_DREQ_POL_HIGH;

	hcd = isp1760_register(memory.start, res_len, virq,
		IRQF_SHARED | IRQF_DISABLED, &dev->dev, dev_name(&dev->dev),
		devflags);
	if (IS_ERR(hcd)) {
		ret = PTR_ERR(hcd);
		goto release_reg;
	}

	dev_set_drvdata(&dev->dev, hcd);
	return ret;

release_reg:
	release_mem_region(memory.start, res_len);
	return ret;
}

static int of_isp1760_remove(struct platform_device *dev)
{
	struct usb_hcd *hcd = dev_get_drvdata(&dev->dev);

	dev_set_drvdata(&dev->dev, NULL);

	usb_remove_hcd(hcd);
	iounmap(hcd->regs);
	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	usb_put_hcd(hcd);
	return 0;
}

static const struct of_device_id of_isp1760_match[] = {
	{
		.compatible = "nxp,usb-isp1760",
	},
	{
		.compatible = "nxp,usb-isp1761",
	},
	{ },
};
MODULE_DEVICE_TABLE(of, of_isp1760_match);

static struct platform_driver isp1760_of_driver = {
	.driver = {
		.name = "nxp-isp1760",
		.owner = THIS_MODULE,
		.of_match_table = of_isp1760_match,
	},
	.probe          = of_isp1760_probe,
	.remove         = of_isp1760_remove,
};
#endif

#ifdef CONFIG_PCI
static int __devinit isp1761_pci_probe(struct pci_dev *dev,
		const struct pci_device_id *id)
{
	u8 latency, limit;
	__u32 reg_data;
	int retry_count;
	struct usb_hcd *hcd;
	unsigned int devflags = 0;
	int ret_status = 0;

	resource_size_t pci_mem_phy0;
	resource_size_t memlength;

	u8 __iomem *chip_addr;
	u8 __iomem *iobase;
	resource_size_t nxp_pci_io_base;
	resource_size_t iolength;

	if (usb_disabled())
		return -ENODEV;

	if (pci_enable_device(dev) < 0)
		return -ENODEV;

	if (!dev->irq)
		return -ENODEV;

	/* Grab the PLX PCI mem maped port start address we need  */
	nxp_pci_io_base = pci_resource_start(dev, 0);
	iolength = pci_resource_len(dev, 0);

	if (!request_mem_region(nxp_pci_io_base, iolength, "ISP1761 IO MEM")) {
		printk(KERN_ERR "request region #1\n");
		return -EBUSY;
	}

	iobase = ioremap_nocache(nxp_pci_io_base, iolength);
	if (!iobase) {
		printk(KERN_ERR "ioremap #1\n");
		ret_status = -ENOMEM;
		goto cleanup1;
	}
	/* Grab the PLX PCI shared memory of the ISP 1761 we need  */
	pci_mem_phy0 = pci_resource_start(dev, 3);
	memlength = pci_resource_len(dev, 3);
	if (memlength < 0xffff) {
		printk(KERN_ERR "memory length for this resource is wrong\n");
		ret_status = -ENOMEM;
		goto cleanup2;
	}

	if (!request_mem_region(pci_mem_phy0, memlength, "ISP-PCI")) {
		printk(KERN_ERR "host controller already in use\n");
		ret_status = -EBUSY;
		goto cleanup2;
	}

	/* map available memory */
	chip_addr = ioremap_nocache(pci_mem_phy0,memlength);
	if (!chip_addr) {
		printk(KERN_ERR "Error ioremap failed\n");
		ret_status = -ENOMEM;
		goto cleanup3;
	}

	/* bad pci latencies can contribute to overruns */
	pci_read_config_byte(dev, PCI_LATENCY_TIMER, &latency);
	if (latency) {
		pci_read_config_byte(dev, PCI_MAX_LAT, &limit);
		if (limit && limit < latency)
			pci_write_config_byte(dev, PCI_LATENCY_TIMER, limit);
	}

	/* Try to check whether we can access Scratch Register of
	 * Host Controller or not. The initial PCI access is retried until
	 * local init for the PCI bridge is completed
	 */
	retry_count = 20;
	reg_data = 0;
	while ((reg_data != 0xFACE) && retry_count) {
		/*by default host is in 16bit mode, so
		 * io operations at this stage must be 16 bit
		 * */
		writel(0xface, chip_addr + HC_SCRATCH_REG);
		udelay(100);
		reg_data = readl(chip_addr + HC_SCRATCH_REG) & 0x0000ffff;
		retry_count--;
	}

	iounmap(chip_addr);

	/* Host Controller presence is detected by writing to scratch register
	 * and reading back and checking the contents are same or not
	 */
	if (reg_data != 0xFACE) {
		dev_err(&dev->dev, "scratch register mismatch %x\n", reg_data);
		ret_status = -ENOMEM;
		goto cleanup3;
	}

	pci_set_master(dev);

	/* configure PLX PCI chip to pass interrupts */
#define PLX_INT_CSR_REG 0x68
	reg_data = readl(iobase + PLX_INT_CSR_REG);
	reg_data |= 0x900;
	writel(reg_data, iobase + PLX_INT_CSR_REG);

	dev->dev.dma_mask = NULL;
	hcd = isp1760_register(pci_mem_phy0, memlength, dev->irq,
		IRQF_SHARED | IRQF_DISABLED, &dev->dev, dev_name(&dev->dev),
		devflags);
	if (IS_ERR(hcd)) {
		ret_status = -ENODEV;
		goto cleanup3;
	}

	/* done with PLX IO access */
	iounmap(iobase);
	release_mem_region(nxp_pci_io_base, iolength);

	pci_set_drvdata(dev, hcd);
	return 0;

cleanup3:
	release_mem_region(pci_mem_phy0, memlength);
cleanup2:
	iounmap(iobase);
cleanup1:
	release_mem_region(nxp_pci_io_base, iolength);
	return ret_status;
}

static void isp1761_pci_remove(struct pci_dev *dev)
{
	struct usb_hcd *hcd;

	hcd = pci_get_drvdata(dev);

	usb_remove_hcd(hcd);
	iounmap(hcd->regs);
	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	usb_put_hcd(hcd);

	pci_disable_device(dev);
}

static void isp1761_pci_shutdown(struct pci_dev *dev)
{
	printk(KERN_ERR "ips1761_pci_shutdown\n");
}

static const struct pci_device_id isp1760_plx [] = {
	{
		.class          = PCI_CLASS_BRIDGE_OTHER << 8,
		.class_mask     = ~0,
		.vendor		= PCI_VENDOR_ID_PLX,
		.device		= 0x5406,
		.subvendor	= PCI_VENDOR_ID_PLX,
		.subdevice	= 0x9054,
	},
	{ }
};
MODULE_DEVICE_TABLE(pci, isp1760_plx);

static struct pci_driver isp1761_pci_driver = {
	.name =         "isp1760",
	.id_table =     isp1760_plx,
	.probe =        isp1761_pci_probe,
	.remove =       isp1761_pci_remove,
	.shutdown =     isp1761_pci_shutdown,
};
#endif

static int __devinit isp1760_plat_probe(struct platform_device *pdev)
{
	int ret = 0;
	struct usb_hcd *hcd;
	struct resource *mem_res;
	struct resource *irq_res;
	resource_size_t mem_size;
	struct isp1760_platform_data *priv = pdev->dev.platform_data;
	unsigned int devflags = 0;
	unsigned long irqflags = IRQF_SHARED | IRQF_DISABLED;

	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!mem_res) {
		pr_warning("isp1760: Memory resource not available\n");
		ret = -ENODEV;
		goto out;
	}
	mem_size = resource_size(mem_res);
	if (!request_mem_region(mem_res->start, mem_size, "isp1760")) {
		pr_warning("isp1760: Cannot reserve the memory resource\n");
		ret = -EBUSY;
		goto out;
	}

	irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
	if (!irq_res) {
		pr_warning("isp1760: IRQ resource not available\n");
		return -ENODEV;
	}
	irqflags |= irq_res->flags & IRQF_TRIGGER_MASK;

	if (priv) {
		if (priv->is_isp1761)
			devflags |= ISP1760_FLAG_ISP1761;
		if (priv->bus_width_16)
			devflags |= ISP1760_FLAG_BUS_WIDTH_16;
		if (priv->port1_otg)
			devflags |= ISP1760_FLAG_OTG_EN;
		if (priv->analog_oc)
			devflags |= ISP1760_FLAG_ANALOG_OC;
		if (priv->dack_polarity_high)
			devflags |= ISP1760_FLAG_DACK_POL_HIGH;
		if (priv->dreq_polarity_high)
			devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
	}

	hcd = isp1760_register(mem_res->start, mem_size, irq_res->start,
			       irqflags, &pdev->dev, dev_name(&pdev->dev), devflags);
	if (IS_ERR(hcd)) {
		pr_warning("isp1760: Failed to register the HCD device\n");
		ret = -ENODEV;
		goto cleanup;
	}

	pr_info("ISP1760 USB device initialised\n");
	return ret;

cleanup:
	release_mem_region(mem_res->start, mem_size);
out:
	return ret;
}

static int __devexit isp1760_plat_remove(struct platform_device *pdev)
{
	struct resource *mem_res;
	resource_size_t mem_size;

	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	mem_size = resource_size(mem_res);
	release_mem_region(mem_res->start, mem_size);

	return 0;
}

static struct platform_driver isp1760_plat_driver = {
	.probe	= isp1760_plat_probe,
	.remove	= __devexit_p(isp1760_plat_remove),
	.driver	= {
		.name	= "isp1760",
	},
};

static int __init isp1760_init(void)
{
	int ret, any_ret = -ENODEV;

	init_kmem_once();

	ret = platform_driver_register(&isp1760_plat_driver);
	if (!ret)
		any_ret = 0;
#ifdef CONFIG_PPC_OF
	ret = platform_driver_register(&isp1760_of_driver);
	if (!ret)
		any_ret = 0;
#endif
#ifdef CONFIG_PCI
	ret = pci_register_driver(&isp1761_pci_driver);
	if (!ret)
		any_ret = 0;
#endif

	if (any_ret)
		deinit_kmem_cache();
	return any_ret;
}
module_init(isp1760_init);

static void __exit isp1760_exit(void)
{
	platform_driver_unregister(&isp1760_plat_driver);
#ifdef CONFIG_PPC_OF
	platform_driver_unregister(&isp1760_of_driver);
#endif
#ifdef CONFIG_PCI
	pci_unregister_driver(&isp1761_pci_driver);
#endif
	deinit_kmem_cache();
}
module_exit(isp1760_exit);
Commit	Line	Data
db11e47d SS	1	/*
	2	* Glue code for the ISP1760 driver and bus
	3	* Currently there is support for
	4	* - OpenFirmware
	5	* - PCI
9da69c60	6	* - PDEV (generic platform device centralized driver model)
db11e47d SS	7	*
	8	* (c) 2007 Sebastian Siewior <bigeasy@linutronix.de>
	9	*
	10	*/
	11
	12	#include <linux/usb.h>
	13	#include <linux/io.h>
f7e7aa58	14	#include <linux/platform_device.h>
9da69c60	15	#include <linux/usb/isp1760.h>
27729aad	16	#include <linux/usb/hcd.h>
db11e47d	17
db11e47d SS	18	#include "isp1760-hcd.h"
db11e47d SS	19
ff30bf1c	20	#ifdef CONFIG_PPC_OF
db11e47d SS	21	#include <linux/of.h>
	22	#include <linux/of_platform.h>
	23	#endif
	24
ff30bf1c	25	#ifdef CONFIG_PCI
db11e47d SS	26	#include <linux/pci.h>
	27	#endif
	28
ff30bf1c	29	#ifdef CONFIG_PPC_OF
d35fb641	30	static int of_isp1760_probe(struct platform_device *dev)
db11e47d SS	31	{
db11e47d SS	32	struct usb_hcd *hcd;
61c7a080	33	struct device_node *dp = dev->dev.of_node;
db11e47d SS	34	struct resource *res;
	35	struct resource memory;
	36	struct of_irq oirq;
	37	int virq;
e07afd3f	38	resource_size_t res_len;
db11e47d	39	int ret;
3faefc88 NC	40	const unsigned int *prop;
3faefc88 NC	41	unsigned int devflags = 0;
db11e47d SS	42
	43	ret = of_address_to_resource(dp, 0, &memory);
	44	if (ret)
	45	return -ENXIO;
	46
e07afd3f TK	47	res_len = resource_size(&memory);
	48
	49	res = request_mem_region(memory.start, res_len, dev_name(&dev->dev));
db11e47d SS	50	if (!res)
	51	return -EBUSY;
	52
db11e47d SS	53	if (of_irq_map_one(dp, 0, &oirq)) {
	54	ret = -ENODEV;
	55	goto release_reg;
	56	}
	57
	58	virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
	59	oirq.size);
	60
3faefc88 NC	61	if (of_device_is_compatible(dp, "nxp,usb-isp1761"))
	62	devflags \|= ISP1760_FLAG_ISP1761;
	63
3faefc88 NC	64	/* Some systems wire up only 16 of the 32 data lines */
	65	prop = of_get_property(dp, "bus-width", NULL);
	66	if (prop && *prop == 16)
	67	devflags \|= ISP1760_FLAG_BUS_WIDTH_16;
	68
	69	if (of_get_property(dp, "port1-otg", NULL) != NULL)
	70	devflags \|= ISP1760_FLAG_OTG_EN;
	71
	72	if (of_get_property(dp, "analog-oc", NULL) != NULL)
	73	devflags \|= ISP1760_FLAG_ANALOG_OC;
	74
	75	if (of_get_property(dp, "dack-polarity", NULL) != NULL)
	76	devflags \|= ISP1760_FLAG_DACK_POL_HIGH;
	77
	78	if (of_get_property(dp, "dreq-polarity", NULL) != NULL)
	79	devflags \|= ISP1760_FLAG_DREQ_POL_HIGH;
	80
db11e47d	81	hcd = isp1760_register(memory.start, res_len, virq,
3faefc88 NC	82	IRQF_SHARED \| IRQF_DISABLED, &dev->dev, dev_name(&dev->dev),
3faefc88 NC	83	devflags);
db11e47d SS	84	if (IS_ERR(hcd)) {
	85	ret = PTR_ERR(hcd);
	86	goto release_reg;
	87	}
	88
	89	dev_set_drvdata(&dev->dev, hcd);
	90	return ret;
	91
	92	release_reg:
e07afd3f	93	release_mem_region(memory.start, res_len);
db11e47d SS	94	return ret;
	95	}
	96
2dc11581	97	static int of_isp1760_remove(struct platform_device *dev)
db11e47d SS	98	{
	99	struct usb_hcd *hcd = dev_get_drvdata(&dev->dev);
	100
	101	dev_set_drvdata(&dev->dev, NULL);
	102
	103	usb_remove_hcd(hcd);
	104	iounmap(hcd->regs);
	105	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	106	usb_put_hcd(hcd);
	107	return 0;
	108	}
	109
c4386ad0	110	static const struct of_device_id of_isp1760_match[] = {
db11e47d SS	111	{
	112	.compatible = "nxp,usb-isp1760",
	113	},
3faefc88 NC	114	{
	115	.compatible = "nxp,usb-isp1761",
	116	},
db11e47d SS	117	{ },
	118	};
	119	MODULE_DEVICE_TABLE(of, of_isp1760_match);
	120
d35fb641	121	static struct platform_driver isp1760_of_driver = {
4018294b GL	122	.driver = {
	123	.name = "nxp-isp1760",
	124	.owner = THIS_MODULE,
	125	.of_match_table = of_isp1760_match,
	126	},
db11e47d SS	127	.probe = of_isp1760_probe,
	128	.remove = of_isp1760_remove,
	129	};
	130	#endif
	131
ff30bf1c	132	#ifdef CONFIG_PCI
db11e47d SS	133	static int __devinit isp1761_pci_probe(struct pci_dev *dev,
	134	const struct pci_device_id *id)
	135	{
	136	u8 latency, limit;
	137	__u32 reg_data;
	138	int retry_count;
db11e47d	139	struct usb_hcd *hcd;
3faefc88	140	unsigned int devflags = 0;
6013bbba KB	141	int ret_status = 0;
	142
	143	resource_size_t pci_mem_phy0;
	144	resource_size_t memlength;
	145
	146	u8 __iomem *chip_addr;
	147	u8 __iomem *iobase;
	148	resource_size_t nxp_pci_io_base;
	149	resource_size_t iolength;
db11e47d SS	150
	151	if (usb_disabled())
	152	return -ENODEV;
	153
	154	if (pci_enable_device(dev) < 0)
	155	return -ENODEV;
	156
	157	if (!dev->irq)
	158	return -ENODEV;
	159
	160	/* Grab the PLX PCI mem maped port start address we need */
	161	nxp_pci_io_base = pci_resource_start(dev, 0);
	162	iolength = pci_resource_len(dev, 0);
	163
	164	if (!request_mem_region(nxp_pci_io_base, iolength, "ISP1761 IO MEM")) {
	165	printk(KERN_ERR "request region #1\n");
	166	return -EBUSY;
	167	}
	168
	169	iobase = ioremap_nocache(nxp_pci_io_base, iolength);
	170	if (!iobase) {
	171	printk(KERN_ERR "ioremap #1\n");
6013bbba KB	172	ret_status = -ENOMEM;
6013bbba KB	173	goto cleanup1;
db11e47d SS	174	}
	175	/* Grab the PLX PCI shared memory of the ISP 1761 we need */
	176	pci_mem_phy0 = pci_resource_start(dev, 3);
6013bbba KB	177	memlength = pci_resource_len(dev, 3);
	178	if (memlength < 0xffff) {
	179	printk(KERN_ERR "memory length for this resource is wrong\n");
	180	ret_status = -ENOMEM;
	181	goto cleanup2;
db11e47d SS	182	}
db11e47d SS	183
6013bbba	184	if (!request_mem_region(pci_mem_phy0, memlength, "ISP-PCI")) {
db11e47d	185	printk(KERN_ERR "host controller already in use\n");
6013bbba KB	186	ret_status = -EBUSY;
	187	goto cleanup2;
	188	}
	189
	190	/* map available memory */
	191	chip_addr = ioremap_nocache(pci_mem_phy0,memlength);
	192	if (!chip_addr) {
	193	printk(KERN_ERR "Error ioremap failed\n");
	194	ret_status = -ENOMEM;
	195	goto cleanup3;
db11e47d SS	196	}
	197
	198	/* bad pci latencies can contribute to overruns */
	199	pci_read_config_byte(dev, PCI_LATENCY_TIMER, &latency);
	200	if (latency) {
	201	pci_read_config_byte(dev, PCI_MAX_LAT, &limit);
	202	if (limit && limit < latency)
	203	pci_write_config_byte(dev, PCI_LATENCY_TIMER, limit);
	204	}
	205
	206	/* Try to check whether we can access Scratch Register of
	207	* Host Controller or not. The initial PCI access is retried until
	208	* local init for the PCI bridge is completed
	209	*/
	210	retry_count = 20;
	211	reg_data = 0;
	212	while ((reg_data != 0xFACE) && retry_count) {
	213	/*by default host is in 16bit mode, so
	214	* io operations at this stage must be 16 bit
	215	* */
	216	writel(0xface, chip_addr + HC_SCRATCH_REG);
	217	udelay(100);
6013bbba	218	reg_data = readl(chip_addr + HC_SCRATCH_REG) & 0x0000ffff;
db11e47d SS	219	retry_count--;
	220	}
	221
6013bbba KB	222	iounmap(chip_addr);
6013bbba KB	223
db11e47d SS	224	/* Host Controller presence is detected by writing to scratch register
	225	* and reading back and checking the contents are same or not
	226	*/
	227	if (reg_data != 0xFACE) {
802f389a	228	dev_err(&dev->dev, "scratch register mismatch %x\n", reg_data);
6013bbba KB	229	ret_status = -ENOMEM;
6013bbba KB	230	goto cleanup3;
db11e47d SS	231	}
	232
	233	pci_set_master(dev);
	234
6013bbba KB	235	/* configure PLX PCI chip to pass interrupts */
	236	#define PLX_INT_CSR_REG 0x68
	237	reg_data = readl(iobase + PLX_INT_CSR_REG);
	238	reg_data \|= 0x900;
	239	writel(reg_data, iobase + PLX_INT_CSR_REG);
db11e47d SS	240
db11e47d SS	241	dev->dev.dma_mask = NULL;
6013bbba	242	hcd = isp1760_register(pci_mem_phy0, memlength, dev->irq,
3faefc88 NC	243	IRQF_SHARED \| IRQF_DISABLED, &dev->dev, dev_name(&dev->dev),
3faefc88 NC	244	devflags);
6013bbba KB	245	if (IS_ERR(hcd)) {
	246	ret_status = -ENODEV;
	247	goto cleanup3;
ce5dee50	248	}
6013bbba KB	249
6013bbba KB	250	/* done with PLX IO access */
db11e47d	251	iounmap(iobase);
db11e47d	252	release_mem_region(nxp_pci_io_base, iolength);
6013bbba KB	253
	254	pci_set_drvdata(dev, hcd);
	255	return 0;
	256
	257	cleanup3:
	258	release_mem_region(pci_mem_phy0, memlength);
	259	cleanup2:
	260	iounmap(iobase);
	261	cleanup1:
	262	release_mem_region(nxp_pci_io_base, iolength);
	263	return ret_status;
db11e47d	264	}
6013bbba	265
db11e47d SS	266	static void isp1761_pci_remove(struct pci_dev *dev)
	267	{
	268	struct usb_hcd *hcd;
	269
	270	hcd = pci_get_drvdata(dev);
	271
	272	usb_remove_hcd(hcd);
	273	iounmap(hcd->regs);
	274	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	275	usb_put_hcd(hcd);
	276
	277	pci_disable_device(dev);
db11e47d SS	278	}
	279
	280	static void isp1761_pci_shutdown(struct pci_dev *dev)
	281	{
	282	printk(KERN_ERR "ips1761_pci_shutdown\n");
	283	}
	284
6c073568 SAS	285	static const struct pci_device_id isp1760_plx [] = {
	286	{
	287	.class = PCI_CLASS_BRIDGE_OTHER << 8,
	288	.class_mask = ~0,
	289	.vendor = PCI_VENDOR_ID_PLX,
	290	.device = 0x5406,
	291	.subvendor = PCI_VENDOR_ID_PLX,
	292	.subdevice = 0x9054,
	293	},
	294	{ }
db11e47d SS	295	};
	296	MODULE_DEVICE_TABLE(pci, isp1760_plx);
	297
	298	static struct pci_driver isp1761_pci_driver = {
	299	.name = "isp1760",
	300	.id_table = isp1760_plx,
	301	.probe = isp1761_pci_probe,
	302	.remove = isp1761_pci_remove,
	303	.shutdown = isp1761_pci_shutdown,
	304	};
	305	#endif
	306
f7e7aa58 CM	307	static int __devinit isp1760_plat_probe(struct platform_device *pdev)
	308	{
	309	int ret = 0;
	310	struct usb_hcd *hcd;
	311	struct resource *mem_res;
	312	struct resource *irq_res;
	313	resource_size_t mem_size;
9da69c60 MH	314	struct isp1760_platform_data *priv = pdev->dev.platform_data;
9da69c60 MH	315	unsigned int devflags = 0;
f7e7aa58 CM	316	unsigned long irqflags = IRQF_SHARED \| IRQF_DISABLED;
	317
	318	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	319	if (!mem_res) {
	320	pr_warning("isp1760: Memory resource not available\n");
	321	ret = -ENODEV;
	322	goto out;
	323	}
	324	mem_size = resource_size(mem_res);
	325	if (!request_mem_region(mem_res->start, mem_size, "isp1760")) {
	326	pr_warning("isp1760: Cannot reserve the memory resource\n");
	327	ret = -EBUSY;
	328	goto out;
	329	}
	330
	331	irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
	332	if (!irq_res) {
	333	pr_warning("isp1760: IRQ resource not available\n");
	334	return -ENODEV;
	335	}
	336	irqflags \|= irq_res->flags & IRQF_TRIGGER_MASK;
	337
9da69c60 MH	338	if (priv) {
	339	if (priv->is_isp1761)
	340	devflags \|= ISP1760_FLAG_ISP1761;
	341	if (priv->bus_width_16)
	342	devflags \|= ISP1760_FLAG_BUS_WIDTH_16;
	343	if (priv->port1_otg)
	344	devflags \|= ISP1760_FLAG_OTG_EN;
	345	if (priv->analog_oc)
	346	devflags \|= ISP1760_FLAG_ANALOG_OC;
	347	if (priv->dack_polarity_high)
	348	devflags \|= ISP1760_FLAG_DACK_POL_HIGH;
	349	if (priv->dreq_polarity_high)
	350	devflags \|= ISP1760_FLAG_DREQ_POL_HIGH;
	351	}
	352
f7e7aa58	353	hcd = isp1760_register(mem_res->start, mem_size, irq_res->start,
9da69c60	354	irqflags, &pdev->dev, dev_name(&pdev->dev), devflags);
f7e7aa58 CM	355	if (IS_ERR(hcd)) {
	356	pr_warning("isp1760: Failed to register the HCD device\n");
	357	ret = -ENODEV;
	358	goto cleanup;
	359	}
	360
	361	pr_info("ISP1760 USB device initialised\n");
	362	return ret;
	363
	364	cleanup:
	365	release_mem_region(mem_res->start, mem_size);
	366	out:
	367	return ret;
	368	}
	369
	370	static int __devexit isp1760_plat_remove(struct platform_device *pdev)
	371	{
	372	struct resource *mem_res;
	373	resource_size_t mem_size;
	374
	375	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	376	mem_size = resource_size(mem_res);
	377	release_mem_region(mem_res->start, mem_size);
	378
	379	return 0;
	380	}
	381
	382	static struct platform_driver isp1760_plat_driver = {
	383	.probe = isp1760_plat_probe,
4198e4f7	384	.remove = __devexit_p(isp1760_plat_remove),
f7e7aa58 CM	385	.driver = {
	386	.name = "isp1760",
	387	},
	388	};
	389
db11e47d SS	390	static int __init isp1760_init(void)
db11e47d SS	391	{
f7e7aa58	392	int ret, any_ret = -ENODEV;
db11e47d SS	393
	394	init_kmem_once();
	395
f7e7aa58 CM	396	ret = platform_driver_register(&isp1760_plat_driver);
	397	if (!ret)
	398	any_ret = 0;
ff30bf1c	399	#ifdef CONFIG_PPC_OF
d35fb641	400	ret = platform_driver_register(&isp1760_of_driver);
f7e7aa58 CM	401	if (!ret)
f7e7aa58 CM	402	any_ret = 0;
db11e47d	403	#endif
ff30bf1c	404	#ifdef CONFIG_PCI
db11e47d	405	ret = pci_register_driver(&isp1761_pci_driver);
f7e7aa58 CM	406	if (!ret)
f7e7aa58 CM	407	any_ret = 0;
db11e47d	408	#endif
db11e47d	409
f7e7aa58 CM	410	if (any_ret)
	411	deinit_kmem_cache();
	412	return any_ret;
db11e47d SS	413	}
	414	module_init(isp1760_init);
	415
	416	static void __exit isp1760_exit(void)
	417	{
f7e7aa58	418	platform_driver_unregister(&isp1760_plat_driver);
ff30bf1c	419	#ifdef CONFIG_PPC_OF
d35fb641	420	platform_driver_unregister(&isp1760_of_driver);
db11e47d	421	#endif
ff30bf1c	422	#ifdef CONFIG_PCI
db11e47d SS	423	pci_unregister_driver(&isp1761_pci_driver);
	424	#endif
	425	deinit_kmem_cache();
	426	}
	427	module_exit(isp1760_exit);