[deliverable/linux.git] / drivers / usb / renesas_usbhs / common.c

/*
 * Renesas USB driver
 *
 * Copyright (C) 2011 Renesas Solutions Corp.
 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */
#include <linux/io.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include "./common.h"

#define USBHSF_RUNTIME_PWCTRL	(1 << 0)

/* status */
#define usbhsc_flags_init(p)   do {(p)->flags = 0; } while (0)
#define usbhsc_flags_set(p, b) ((p)->flags |=  (b))
#define usbhsc_flags_clr(p, b) ((p)->flags &= ~(b))
#define usbhsc_flags_has(p, b) ((p)->flags &   (b))

/*
 * platform call back
 *
 * renesas usb support platform callback function.
 * Below macro call it.
 * if platform doesn't have callback, it return 0 (no error)
 */
#define usbhs_platform_call(priv, func, args...)\
	(!(priv) ? -ENODEV :			\
	 !((priv)->pfunc->func) ? 0 :		\
	 (priv)->pfunc->func(args))

/*
 *		common functions
 */
u16 usbhs_read(struct usbhs_priv *priv, u32 reg)
{
	return ioread16(priv->base + reg);
}

void usbhs_write(struct usbhs_priv *priv, u32 reg, u16 data)
{
	iowrite16(data, priv->base + reg);
}

void usbhs_bset(struct usbhs_priv *priv, u32 reg, u16 mask, u16 data)
{
	u16 val = usbhs_read(priv, reg);

	val &= ~mask;
	val |= data & mask;

	usbhs_write(priv, reg, val);
}

struct usbhs_priv *usbhs_pdev_to_priv(struct platform_device *pdev)
{
	return dev_get_drvdata(&pdev->dev);
}

/*
 *		syscfg functions
 */
void usbhs_sys_clock_ctrl(struct usbhs_priv *priv, int enable)
{
	usbhs_bset(priv, SYSCFG, SCKE, enable ? SCKE : 0);
}

void usbhs_sys_hispeed_ctrl(struct usbhs_priv *priv, int enable)
{
	usbhs_bset(priv, SYSCFG, HSE, enable ? HSE : 0);
}

void usbhs_sys_usb_ctrl(struct usbhs_priv *priv, int enable)
{
	usbhs_bset(priv, SYSCFG, USBE, enable ? USBE : 0);
}

void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable)
{
	u16 mask = DCFM | DRPD | DPRPU;
	u16 val  = DCFM | DRPD;

	/*
	 * if enable
	 *
	 * - select Host mode
	 * - D+ Line/D- Line Pull-down
	 */
	usbhs_bset(priv, SYSCFG, mask, enable ? val : 0);
}

void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable)
{
	u16 mask = DCFM | DRPD | DPRPU;
	u16 val  = DPRPU;

	/*
	 * if enable
	 *
	 * - select Function mode
	 * - D+ Line Pull-up
	 */
	usbhs_bset(priv, SYSCFG, mask, enable ? val : 0);
}

/*
 *		frame functions
 */
int usbhs_frame_get_num(struct usbhs_priv *priv)
{
	return usbhs_read(priv, FRMNUM) & FRNM_MASK;
}

/*
 *		local functions
 */
static void usbhsc_bus_ctrl(struct usbhs_priv *priv, int enable)
{
	int wait = usbhs_get_dparam(priv, buswait_bwait);
	u16 data = 0;

	if (enable) {
		/* set bus wait if platform have */
		if (wait)
			usbhs_bset(priv, BUSWAIT, 0x000F, wait);
	}
	usbhs_write(priv, DVSTCTR, data);
}

/*
 *		platform default param
 */
static u32 usbhsc_default_pipe_type[] = {
		USB_ENDPOINT_XFER_CONTROL,
		USB_ENDPOINT_XFER_ISOC,
		USB_ENDPOINT_XFER_ISOC,
		USB_ENDPOINT_XFER_BULK,
		USB_ENDPOINT_XFER_BULK,
		USB_ENDPOINT_XFER_BULK,
		USB_ENDPOINT_XFER_INT,
		USB_ENDPOINT_XFER_INT,
		USB_ENDPOINT_XFER_INT,
		USB_ENDPOINT_XFER_INT,
};

/*
 *		power control
 */
static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable)
{
	struct device *dev = usbhs_priv_to_dev(priv);

	if (enable) {
		/* enable PM */
		pm_runtime_get_sync(dev);

		/* USB on */
		usbhs_sys_clock_ctrl(priv, enable);
		usbhsc_bus_ctrl(priv, enable);
	} else {
		/* USB off */
		usbhsc_bus_ctrl(priv, enable);
		usbhs_sys_clock_ctrl(priv, enable);

		/* disable PM */
		pm_runtime_put_sync(dev);
	}
}

/*
 *		notify hotplug
 */
static void usbhsc_notify_hotplug(struct work_struct *work)
{
	struct usbhs_priv *priv = container_of(work,
					       struct usbhs_priv,
					       notify_hotplug_work.work);
	struct platform_device *pdev = usbhs_priv_to_pdev(priv);
	struct usbhs_mod *mod = usbhs_mod_get_current(priv);
	int id;
	int enable;
	int ret;

	/*
	 * get vbus status from platform
	 */
	enable = usbhs_platform_call(priv, get_vbus, pdev);

	/*
	 * get id from platform
	 */
	id = usbhs_platform_call(priv, get_id, pdev);

	if (enable && !mod) {
		ret = usbhs_mod_change(priv, id);
		if (ret < 0)
			return;

		dev_dbg(&pdev->dev, "%s enable\n", __func__);

		/* power on */
		if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
			usbhsc_power_ctrl(priv, enable);

		/* module start */
		usbhs_mod_call(priv, start, priv);

	} else if (!enable && mod) {
		dev_dbg(&pdev->dev, "%s disable\n", __func__);

		/* module stop */
		usbhs_mod_call(priv, stop, priv);

		/* power off */
		if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
			usbhsc_power_ctrl(priv, enable);

		usbhs_mod_change(priv, -1);

		/* reset phy for next connection */
		usbhs_platform_call(priv, phy_reset, pdev);
	}
}

int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
	int delay = usbhs_get_dparam(priv, detection_delay);

	/*
	 * This functions will be called in interrupt.
	 * To make sure safety context,
	 * use workqueue for usbhs_notify_hotplug
	 */
	schedule_delayed_work(&priv->notify_hotplug_work, delay);
	return 0;
}

/*
 *		platform functions
 */
static int __devinit usbhs_probe(struct platform_device *pdev)
{
	struct renesas_usbhs_platform_info *info = pdev->dev.platform_data;
	struct renesas_usbhs_driver_callback *dfunc;
	struct usbhs_priv *priv;
	struct resource *res;
	unsigned int irq;
	int ret;

	/* check platform information */
	if (!info ||
	    !info->platform_callback.get_id) {
		dev_err(&pdev->dev, "no platform information\n");
		return -EINVAL;
	}

	/* platform data */
	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	irq = platform_get_irq(pdev, 0);
	if (!res || (int)irq <= 0) {
		dev_err(&pdev->dev, "Not enough Renesas USB platform resources.\n");
		return -ENODEV;
	}

	/* usb private data */
	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
	if (!priv) {
		dev_err(&pdev->dev, "Could not allocate priv\n");
		return -ENOMEM;
	}

	priv->base = ioremap_nocache(res->start, resource_size(res));
	if (!priv->base) {
		dev_err(&pdev->dev, "ioremap error.\n");
		ret = -ENOMEM;
		goto probe_end_kfree;
	}

	/*
	 * care platform info
	 */
	priv->pfunc	= &info->platform_callback;
	priv->dparam	= &info->driver_param;

	/* set driver callback functions for platform */
	dfunc			= &info->driver_callback;
	dfunc->notify_hotplug	= usbhsc_drvcllbck_notify_hotplug;

	/* set default param if platform doesn't have */
	if (!priv->dparam->pipe_type) {
		priv->dparam->pipe_type = usbhsc_default_pipe_type;
		priv->dparam->pipe_size = ARRAY_SIZE(usbhsc_default_pipe_type);
	}
	if (!priv->dparam->pio_dma_border)
		priv->dparam->pio_dma_border = 64; /* 64byte */

	/* FIXME */
	/* runtime power control ? */
	if (priv->pfunc->get_vbus)
		usbhsc_flags_set(priv, USBHSF_RUNTIME_PWCTRL);

	/*
	 * priv settings
	 */
	priv->irq	= irq;
	priv->pdev	= pdev;
	INIT_DELAYED_WORK(&priv->notify_hotplug_work, usbhsc_notify_hotplug);
	spin_lock_init(usbhs_priv_to_lock(priv));

	/* call pipe and module init */
	ret = usbhs_pipe_probe(priv);
	if (ret < 0)
		goto probe_end_iounmap;

	ret = usbhs_fifo_probe(priv);
	if (ret < 0)
		goto probe_end_pipe_exit;

	ret = usbhs_mod_probe(priv);
	if (ret < 0)
		goto probe_end_fifo_exit;

	/* dev_set_drvdata should be called after usbhs_mod_init */
	dev_set_drvdata(&pdev->dev, priv);

	/*
	 * deviece reset here because
	 * USB device might be used in boot loader.
	 */
	usbhs_sys_clock_ctrl(priv, 0);

	/*
	 * platform call
	 *
	 * USB phy setup might depend on CPU/Board.
	 * If platform has its callback functions,
	 * call it here.
	 */
	ret = usbhs_platform_call(priv, hardware_init, pdev);
	if (ret < 0) {
		dev_err(&pdev->dev, "platform prove failed.\n");
		goto probe_end_mod_exit;
	}

	/* reset phy for connection */
	usbhs_platform_call(priv, phy_reset, pdev);

	/* power control */
	pm_runtime_enable(&pdev->dev);
	if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL)) {
		usbhsc_power_ctrl(priv, 1);
		usbhs_mod_autonomy_mode(priv);
	}

	/*
	 * manual call notify_hotplug for cold plug
	 */
	ret = usbhsc_drvcllbck_notify_hotplug(pdev);
	if (ret < 0)
		goto probe_end_call_remove;

	dev_info(&pdev->dev, "probed\n");

	return ret;

probe_end_call_remove:
	usbhs_platform_call(priv, hardware_exit, pdev);
probe_end_mod_exit:
	usbhs_mod_remove(priv);
probe_end_fifo_exit:
	usbhs_fifo_remove(priv);
probe_end_pipe_exit:
	usbhs_pipe_remove(priv);
probe_end_iounmap:
	iounmap(priv->base);
probe_end_kfree:
	kfree(priv);

	dev_info(&pdev->dev, "probe failed\n");

	return ret;
}

static int __devexit usbhs_remove(struct platform_device *pdev)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
	struct renesas_usbhs_platform_info *info = pdev->dev.platform_data;
	struct renesas_usbhs_driver_callback *dfunc = &info->driver_callback;

	dev_dbg(&pdev->dev, "usb remove\n");

	dfunc->notify_hotplug = NULL;

	/* power off */
	if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
		usbhsc_power_ctrl(priv, 0);

	pm_runtime_disable(&pdev->dev);

	usbhs_platform_call(priv, hardware_exit, pdev);
	usbhs_mod_remove(priv);
	usbhs_fifo_remove(priv);
	usbhs_pipe_remove(priv);
	iounmap(priv->base);
	kfree(priv);

	return 0;
}

static struct platform_driver renesas_usbhs_driver = {
	.driver		= {
		.name	= "renesas_usbhs",
	},
	.probe		= usbhs_probe,
	.remove		= __devexit_p(usbhs_remove),
};

static int __init usbhs_init(void)
{
	return platform_driver_register(&renesas_usbhs_driver);
}

static void __exit usbhs_exit(void)
{
	platform_driver_unregister(&renesas_usbhs_driver);
}

module_init(usbhs_init);
module_exit(usbhs_exit);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Renesas USB driver");
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
Commit	Line	Data
f1407d5c KM	1	/*
	2	* Renesas USB driver
	3	*
	4	* Copyright (C) 2011 Renesas Solutions Corp.
	5	* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
	6	*
	7	* This program is distributed in the hope that it will be useful,
	8	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	9	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	10	* GNU General Public License for more details.
	11	*
	12	* You should have received a copy of the GNU General Public License
	13	* along with this program; if not, write to the Free Software
	14	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	15	*
	16	*/
	17	#include <linux/io.h>
	18	#include <linux/module.h>
	19	#include <linux/pm_runtime.h>
	20	#include <linux/slab.h>
	21	#include <linux/sysfs.h>
	22	#include "./common.h"
	23
b002ff6e KM	24	#define USBHSF_RUNTIME_PWCTRL (1 << 0)
	25
	26	/* status */
	27	#define usbhsc_flags_init(p) do {(p)->flags = 0; } while (0)
	28	#define usbhsc_flags_set(p, b) ((p)->flags \|= (b))
	29	#define usbhsc_flags_clr(p, b) ((p)->flags &= ~(b))
	30	#define usbhsc_flags_has(p, b) ((p)->flags & (b))
	31
f1407d5c KM	32	/*
	33	* platform call back
	34	*
	35	* renesas usb support platform callback function.
	36	* Below macro call it.
	37	* if platform doesn't have callback, it return 0 (no error)
	38	*/
	39	#define usbhs_platform_call(priv, func, args...)\
	40	(!(priv) ? -ENODEV : \
	41	!((priv)->pfunc->func) ? 0 : \
	42	(priv)->pfunc->func(args))
	43
	44	/*
	45	* common functions
	46	*/
	47	u16 usbhs_read(struct usbhs_priv *priv, u32 reg)
	48	{
	49	return ioread16(priv->base + reg);
	50	}
	51
	52	void usbhs_write(struct usbhs_priv *priv, u32 reg, u16 data)
	53	{
	54	iowrite16(data, priv->base + reg);
	55	}
	56
	57	void usbhs_bset(struct usbhs_priv *priv, u32 reg, u16 mask, u16 data)
	58	{
	59	u16 val = usbhs_read(priv, reg);
	60
	61	val &= ~mask;
	62	val \|= data & mask;
	63
	64	usbhs_write(priv, reg, val);
	65	}
	66
206dcc2c KM	67	struct usbhs_priv usbhs_pdev_to_priv(struct platform_device pdev)
	68	{
	69	return dev_get_drvdata(&pdev->dev);
	70	}
	71
f1407d5c KM	72	/*
	73	* syscfg functions
	74	*/
	75	void usbhs_sys_clock_ctrl(struct usbhs_priv *priv, int enable)
	76	{
	77	usbhs_bset(priv, SYSCFG, SCKE, enable ? SCKE : 0);
	78	}
	79
	80	void usbhs_sys_hispeed_ctrl(struct usbhs_priv *priv, int enable)
	81	{
	82	usbhs_bset(priv, SYSCFG, HSE, enable ? HSE : 0);
	83	}
	84
	85	void usbhs_sys_usb_ctrl(struct usbhs_priv *priv, int enable)
	86	{
	87	usbhs_bset(priv, SYSCFG, USBE, enable ? USBE : 0);
	88	}
	89
	90	void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable)
	91	{
	92	u16 mask = DCFM \| DRPD \| DPRPU;
	93	u16 val = DCFM \| DRPD;
	94
	95	/*
	96	* if enable
	97	*
	98	* - select Host mode
	99	* - D+ Line/D- Line Pull-down
	100	*/
	101	usbhs_bset(priv, SYSCFG, mask, enable ? val : 0);
	102	}
	103
	104	void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable)
	105	{
	106	u16 mask = DCFM \| DRPD \| DPRPU;
	107	u16 val = DPRPU;
	108
	109	/*
	110	* if enable
	111	*
	112	* - select Function mode
	113	* - D+ Line Pull-up
	114	*/
	115	usbhs_bset(priv, SYSCFG, mask, enable ? val : 0);
	116	}
	117
	118	/*
	119	* frame functions
	120	*/
	121	int usbhs_frame_get_num(struct usbhs_priv *priv)
	122	{
	123	return usbhs_read(priv, FRMNUM) & FRNM_MASK;
	124	}
	125
	126	/*
	127	* local functions
	128	*/
f1407d5c KM	129	static void usbhsc_bus_ctrl(struct usbhs_priv *priv, int enable)
	130	{
	131	int wait = usbhs_get_dparam(priv, buswait_bwait);
	132	u16 data = 0;
	133
	134	if (enable) {
	135	/* set bus wait if platform have */
	136	if (wait)
	137	usbhs_bset(priv, BUSWAIT, 0x000F, wait);
	138	}
	139	usbhs_write(priv, DVSTCTR, data);
	140	}
	141
	142	/*
	143	* platform default param
	144	*/
	145	static u32 usbhsc_default_pipe_type[] = {
	146	USB_ENDPOINT_XFER_CONTROL,
	147	USB_ENDPOINT_XFER_ISOC,
	148	USB_ENDPOINT_XFER_ISOC,
	149	USB_ENDPOINT_XFER_BULK,
	150	USB_ENDPOINT_XFER_BULK,
	151	USB_ENDPOINT_XFER_BULK,
	152	USB_ENDPOINT_XFER_INT,
	153	USB_ENDPOINT_XFER_INT,
	154	USB_ENDPOINT_XFER_INT,
	155	USB_ENDPOINT_XFER_INT,
	156	};
	157
	158	/*
6e267da8 KM	159	* power control
	160	*/
	161	static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable)
	162	{
	163	struct device *dev = usbhs_priv_to_dev(priv);
	164
	165	if (enable) {
	166	/* enable PM */
	167	pm_runtime_get_sync(dev);
	168
	169	/* USB on */
	170	usbhs_sys_clock_ctrl(priv, enable);
	171	usbhsc_bus_ctrl(priv, enable);
	172	} else {
	173	/* USB off */
	174	usbhsc_bus_ctrl(priv, enable);
	175	usbhs_sys_clock_ctrl(priv, enable);
	176
	177	/* disable PM */
	178	pm_runtime_put_sync(dev);
	179	}
	180	}
	181
	182	/*
	183	* notify hotplug
f1407d5c KM	184	*/
	185	static void usbhsc_notify_hotplug(struct work_struct *work)
	186	{
	187	struct usbhs_priv *priv = container_of(work,
	188	struct usbhs_priv,
bc57381e	189	notify_hotplug_work.work);
f1407d5c KM	190	struct platform_device *pdev = usbhs_priv_to_pdev(priv);
	191	struct usbhs_mod *mod = usbhs_mod_get_current(priv);
	192	int id;
	193	int enable;
	194	int ret;
	195
	196	/*
	197	* get vbus status from platform
	198	*/
	199	enable = usbhs_platform_call(priv, get_vbus, pdev);
	200
	201	/*
	202	* get id from platform
	203	*/
	204	id = usbhs_platform_call(priv, get_id, pdev);
	205
	206	if (enable && !mod) {
	207	ret = usbhs_mod_change(priv, id);
	208	if (ret < 0)
	209	return;
	210
	211	dev_dbg(&pdev->dev, "%s enable\n", __func__);
	212
6e267da8	213	/* power on */
b002ff6e KM	214	if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
b002ff6e KM	215	usbhsc_power_ctrl(priv, enable);
f1407d5c KM	216
	217	/* module start */
	218	usbhs_mod_call(priv, start, priv);
	219
	220	} else if (!enable && mod) {
	221	dev_dbg(&pdev->dev, "%s disable\n", __func__);
	222
	223	/* module stop */
	224	usbhs_mod_call(priv, stop, priv);
	225
6e267da8	226	/* power off */
b002ff6e KM	227	if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
b002ff6e KM	228	usbhsc_power_ctrl(priv, enable);
f1407d5c KM	229
	230	usbhs_mod_change(priv, -1);
	231
	232	/* reset phy for next connection */
	233	usbhs_platform_call(priv, phy_reset, pdev);
	234	}
	235	}
	236
bc57381e	237	int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev)
f1407d5c	238	{
206dcc2c	239	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
bc57381e	240	int delay = usbhs_get_dparam(priv, detection_delay);
f1407d5c KM	241
	242	/*
	243	* This functions will be called in interrupt.
	244	* To make sure safety context,
	245	* use workqueue for usbhs_notify_hotplug
	246	*/
bc57381e	247	schedule_delayed_work(&priv->notify_hotplug_work, delay);
f1407d5c KM	248	return 0;
	249	}
	250
	251	/*
	252	* platform functions
	253	*/
	254	static int __devinit usbhs_probe(struct platform_device *pdev)
	255	{
	256	struct renesas_usbhs_platform_info *info = pdev->dev.platform_data;
	257	struct renesas_usbhs_driver_callback *dfunc;
	258	struct usbhs_priv *priv;
	259	struct resource *res;
	260	unsigned int irq;
	261	int ret;
	262
	263	/* check platform information */
	264	if (!info \|\|
b002ff6e	265	!info->platform_callback.get_id) {
f1407d5c KM	266	dev_err(&pdev->dev, "no platform information\n");
	267	return -EINVAL;
	268	}
	269
	270	/* platform data */
	271	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	272	irq = platform_get_irq(pdev, 0);
	273	if (!res \|\| (int)irq <= 0) {
	274	dev_err(&pdev->dev, "Not enough Renesas USB platform resources.\n");
	275	return -ENODEV;
	276	}
	277
	278	/* usb private data */
	279	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
	280	if (!priv) {
	281	dev_err(&pdev->dev, "Could not allocate priv\n");
	282	return -ENOMEM;
	283	}
	284
	285	priv->base = ioremap_nocache(res->start, resource_size(res));
	286	if (!priv->base) {
	287	dev_err(&pdev->dev, "ioremap error.\n");
	288	ret = -ENOMEM;
	289	goto probe_end_kfree;
	290	}
	291
	292	/*
	293	* care platform info
	294	*/
	295	priv->pfunc = &info->platform_callback;
	296	priv->dparam = &info->driver_param;
	297
	298	/* set driver callback functions for platform */
	299	dfunc = &info->driver_callback;
	300	dfunc->notify_hotplug = usbhsc_drvcllbck_notify_hotplug;
	301
	302	/* set default param if platform doesn't have */
	303	if (!priv->dparam->pipe_type) {
	304	priv->dparam->pipe_type = usbhsc_default_pipe_type;
	305	priv->dparam->pipe_size = ARRAY_SIZE(usbhsc_default_pipe_type);
	306	}
e73a9891 KM	307	if (!priv->dparam->pio_dma_border)
e73a9891 KM	308	priv->dparam->pio_dma_border = 64; /* 64byte */
f1407d5c	309
b002ff6e KM	310	/* FIXME */
	311	/* runtime power control ? */
	312	if (priv->pfunc->get_vbus)
	313	usbhsc_flags_set(priv, USBHSF_RUNTIME_PWCTRL);
	314
f1407d5c KM	315	/*
	316	* priv settings
	317	*/
	318	priv->irq = irq;
	319	priv->pdev = pdev;
bc57381e	320	INIT_DELAYED_WORK(&priv->notify_hotplug_work, usbhsc_notify_hotplug);
f1407d5c KM	321	spin_lock_init(usbhs_priv_to_lock(priv));
	322
	323	/* call pipe and module init */
	324	ret = usbhs_pipe_probe(priv);
	325	if (ret < 0)
97f93227	326	goto probe_end_iounmap;
f1407d5c	327
d3af90a5	328	ret = usbhs_fifo_probe(priv);
f1407d5c	329	if (ret < 0)
97f93227	330	goto probe_end_pipe_exit;
f1407d5c	331
d3af90a5 KM	332	ret = usbhs_mod_probe(priv);
	333	if (ret < 0)
	334	goto probe_end_fifo_exit;
	335
f1407d5c KM	336	/* dev_set_drvdata should be called after usbhs_mod_init */
	337	dev_set_drvdata(&pdev->dev, priv);
	338
	339	/*
	340	* deviece reset here because
	341	* USB device might be used in boot loader.
	342	*/
	343	usbhs_sys_clock_ctrl(priv, 0);
	344
	345	/*
	346	* platform call
	347	*
	348	* USB phy setup might depend on CPU/Board.
	349	* If platform has its callback functions,
	350	* call it here.
	351	*/
	352	ret = usbhs_platform_call(priv, hardware_init, pdev);
	353	if (ret < 0) {
	354	dev_err(&pdev->dev, "platform prove failed.\n");
97f93227	355	goto probe_end_mod_exit;
f1407d5c KM	356	}
	357
	358	/* reset phy for connection */
	359	usbhs_platform_call(priv, phy_reset, pdev);
	360
b002ff6e KM	361	/* power control */
	362	pm_runtime_enable(&pdev->dev);
	363	if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL)) {
	364	usbhsc_power_ctrl(priv, 1);
	365	usbhs_mod_autonomy_mode(priv);
	366	}
	367
f1407d5c KM	368	/*
	369	* manual call notify_hotplug for cold plug
	370	*/
f1407d5c KM	371	ret = usbhsc_drvcllbck_notify_hotplug(pdev);
	372	if (ret < 0)
	373	goto probe_end_call_remove;
	374
	375	dev_info(&pdev->dev, "probed\n");
	376
	377	return ret;
	378
	379	probe_end_call_remove:
	380	usbhs_platform_call(priv, hardware_exit, pdev);
f1407d5c KM	381	probe_end_mod_exit:
f1407d5c KM	382	usbhs_mod_remove(priv);
d3af90a5 KM	383	probe_end_fifo_exit:
d3af90a5 KM	384	usbhs_fifo_remove(priv);
97f93227 KM	385	probe_end_pipe_exit:
97f93227 KM	386	usbhs_pipe_remove(priv);
f1407d5c KM	387	probe_end_iounmap:
	388	iounmap(priv->base);
	389	probe_end_kfree:
	390	kfree(priv);
	391
	392	dev_info(&pdev->dev, "probe failed\n");
	393
	394	return ret;
	395	}
	396
	397	static int __devexit usbhs_remove(struct platform_device *pdev)
	398	{
206dcc2c	399	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
af32fe51 KM	400	struct renesas_usbhs_platform_info *info = pdev->dev.platform_data;
af32fe51 KM	401	struct renesas_usbhs_driver_callback *dfunc = &info->driver_callback;
f1407d5c KM	402
	403	dev_dbg(&pdev->dev, "usb remove\n");
	404
af32fe51 KM	405	dfunc->notify_hotplug = NULL;
af32fe51 KM	406
b002ff6e KM	407	/* power off */
	408	if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
	409	usbhsc_power_ctrl(priv, 0);
f1407d5c	410
b002ff6e	411	pm_runtime_disable(&pdev->dev);
f1407d5c KM	412
f1407d5c KM	413	usbhs_platform_call(priv, hardware_exit, pdev);
f1407d5c	414	usbhs_mod_remove(priv);
d3af90a5	415	usbhs_fifo_remove(priv);
97f93227	416	usbhs_pipe_remove(priv);
f1407d5c KM	417	iounmap(priv->base);
	418	kfree(priv);
	419
	420	return 0;
	421	}
	422
	423	static struct platform_driver renesas_usbhs_driver = {
	424	.driver = {
	425	.name = "renesas_usbhs",
	426	},
	427	.probe = usbhs_probe,
	428	.remove = __devexit_p(usbhs_remove),
	429	};
	430
	431	static int __init usbhs_init(void)
	432	{
	433	return platform_driver_register(&renesas_usbhs_driver);
	434	}
	435
	436	static void __exit usbhs_exit(void)
	437	{
	438	platform_driver_unregister(&renesas_usbhs_driver);
	439	}
	440
	441	module_init(usbhs_init);
	442	module_exit(usbhs_exit);
	443
	444	MODULE_LICENSE("GPL");
	445	MODULE_DESCRIPTION("Renesas USB driver");
	446	MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");