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