Merge commit 'v2.6.29-rc1' into tracing/urgent

16 files changed, 71 insertions, 1718 deletions

diff --git a/drivers/i2c/busses/i2c-ali1563.c b/drivers/i2c/busses/i2c-ali1563.c
index fc3e5b02642..dd9e796fad6 100644
--- a/drivers/i2c/busses/i2c-ali1563.c
+++ b/drivers/i2c/busses/i2c-ali1563.c
@@ -399,8 +399,8 @@ static int __devinit ali1563_probe(struct pci_dev * dev,
 	if ((error = ali1563_setup(dev)))
 		goto exit;
 	ali1563_adapter.dev.parent = &dev->dev;
-	sprintf(ali1563_adapter.name,"SMBus ALi 1563 Adapter @ %04x",
-		ali1563_smba);
+	snprintf(ali1563_adapter.name, sizeof(ali1563_adapter.name),
+		 "SMBus ALi 1563 Adapter @ %04x", ali1563_smba);
 	if ((error = i2c_add_adapter(&ali1563_adapter)))
 		goto exit_shutdown;
 	return 0;
diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
index 8ba2bcf727d..378fcb5d578 100644
--- a/drivers/i2c/busses/i2c-amd756-s4882.c
+++ b/drivers/i2c/busses/i2c-amd756-s4882.c
@@ -197,8 +197,8 @@ static int __init amd756_s4882_init(void)
 	for (i = 1; i < 5; i++) {
 		s4882_algo[i] = *(amd756_smbus.algo);
 		s4882_adapter[i] = amd756_smbus;
-		sprintf(s4882_adapter[i].name,
-			"SMBus 8111 adapter (CPU%d)", i-1);
+		snprintf(s4882_adapter[i].name, sizeof(s4882_adapter[i].name),
+			 "SMBus 8111 adapter (CPU%d)", i-1);
 		s4882_adapter[i].algo = s4882_algo+i;
 		s4882_adapter[i].dev.parent = amd756_smbus.dev.parent;
 	}
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index 424dad6f18d..36bee5b9c95 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -380,8 +380,9 @@ static int __devinit amd756_probe(struct pci_dev *pdev,
 	/* set up the sysfs linkage to our parent device */
 	amd756_smbus.dev.parent = &pdev->dev;
 
-	sprintf(amd756_smbus.name, "SMBus %s adapter at %04x",
-		chipname[id->driver_data], amd756_ioport);
+	snprintf(amd756_smbus.name, sizeof(amd756_smbus.name),
+		 "SMBus %s adapter at %04x", chipname[id->driver_data],
+		 amd756_ioport);
 
 	error = i2c_add_adapter(&amd756_smbus);
 	if (error) {
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index 9efb0213725..67d9dc5b351 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -222,7 +222,7 @@ static int __devinit at91_i2c_probe(struct platform_device *pdev)
 		rc = -ENOMEM;
 		goto fail2;
 	}
-	sprintf(adapter->name, "AT91");
+	snprintf(adapter->name, sizeof(adapter->name), "AT91");
 	adapter->algo = &at91_algorithm;
 	adapter->class = I2C_CLASS_HWMON;
 	adapter->dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c
index 3c855ff2992..3fd2c417c1e 100644
--- a/drivers/i2c/busses/i2c-bfin-twi.c
+++ b/drivers/i2c/busses/i2c-bfin-twi.c
@@ -656,7 +656,7 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev)
 	strlcpy(p_adap->name, pdev->name, sizeof(p_adap->name));
 	p_adap->algo = &bfin_twi_algorithm;
 	p_adap->algo_data = iface;
-	p_adap->class = I2C_CLASS_ALL;
+	p_adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
 	p_adap->dev.parent = &pdev->dev;
 
 	rc = peripheral_request_list(pin_req[pdev->id], "i2c-bfin-twi");
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 5123eb69a97..526625eaa84 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -64,7 +64,7 @@
 #include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/acpi.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 /* I801 SMBus address offsets */
 #define SMBHSTSTS	(0 + i801_smba)
@@ -583,6 +583,40 @@ static struct pci_device_id i801_ids[] = {
 
 MODULE_DEVICE_TABLE (pci, i801_ids);
 
+#if defined CONFIG_INPUT_APANEL || defined CONFIG_INPUT_APANEL_MODULE
+static unsigned char apanel_addr;
+
+/* Scan the system ROM for the signature "FJKEYINF" */
+static __init const void __iomem *bios_signature(const void __iomem *bios)
+{
+	ssize_t offset;
+	const unsigned char signature[] = "FJKEYINF";
+
+	for (offset = 0; offset < 0x10000; offset += 0x10) {
+		if (check_signature(bios + offset, signature,
+				    sizeof(signature)-1))
+			return bios + offset;
+	}
+	return NULL;
+}
+
+static void __init input_apanel_init(void)
+{
+	void __iomem *bios;
+	const void __iomem *p;
+
+	bios = ioremap(0xF0000, 0x10000); /* Can't fail */
+	p = bios_signature(bios);
+	if (p) {
+		/* just use the first address */
+		apanel_addr = readb(p + 8 + 3) >> 1;
+	}
+	iounmap(bios);
+}
+#else
+static void __init input_apanel_init(void) {}
+#endif
+
 static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
 	unsigned char temp;
@@ -667,6 +701,19 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
 		dev_err(&dev->dev, "Failed to add SMBus adapter\n");
 		goto exit_release;
 	}
+
+	/* Register optional slaves */
+#if defined CONFIG_INPUT_APANEL || defined CONFIG_INPUT_APANEL_MODULE
+	if (apanel_addr) {
+		struct i2c_board_info info;
+
+		memset(&info, 0, sizeof(struct i2c_board_info));
+		info.addr = apanel_addr;
+		strlcpy(info.type, "fujitsu_apanel", I2C_NAME_SIZE);
+		i2c_new_device(&i801_adapter, &info);
+	}
+#endif
+
 	return 0;
 
 exit_release:
@@ -717,6 +764,7 @@ static struct pci_driver i801_driver = {
 
 static int __init i2c_i801_init(void)
 {
+	input_apanel_init();
 	return pci_register_driver(&i801_driver);
 }
 
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 587f5b2380d..6af68146c34 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -1076,10 +1076,10 @@ static int i2c_pxa_probe(struct platform_device *dev)
 
 #ifdef CONFIG_I2C_PXA_SLAVE
 	printk(KERN_INFO "I2C: %s: PXA I2C adapter, slave address %d\n",
-	       i2c->adap.dev.bus_id, i2c->slave_addr);
+	       dev_name(&i2c->adap.dev), i2c->slave_addr);
 #else
 	printk(KERN_INFO "I2C: %s: PXA I2C adapter\n",
-	       i2c->adap.dev.bus_id);
+	       dev_name(&i2c->adap.dev));
 #endif
 	return 0;
 
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index f69f91ffb46..5b7f95641ba 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -906,7 +906,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, i2c);
 
-	dev_info(&pdev->dev, "%s: S3C I2C adapter\n", i2c->adap.dev.bus_id);
+	dev_info(&pdev->dev, "%s: S3C I2C adapter\n", dev_name(&i2c->adap.dev));
 	return 0;
 
  err_cpufreq:
diff --git a/drivers/i2c/busses/i2c-sh7760.c b/drivers/i2c/busses/i2c-sh7760.c
index 5e0e254976d..baa28b73ae4 100644
--- a/drivers/i2c/busses/i2c-sh7760.c
+++ b/drivers/i2c/busses/i2c-sh7760.c
@@ -475,7 +475,7 @@ static int __devinit sh7760_i2c_probe(struct platform_device *pdev)
 
 	id->adap.nr = pdev->id;
 	id->adap.algo = &sh7760_i2c_algo;
-	id->adap.class = I2C_CLASS_ALL;
+	id->adap.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
 	id->adap.retries = 3;
 	id->adap.algo_data = id;
 	id->adap.dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 6c3d60b939b..1c01083b01b 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -500,7 +500,7 @@ static int sh_mobile_i2c_hook_irqs(struct platform_device *dev, int hook)
 	while ((res = platform_get_resource(dev, IORESOURCE_IRQ, k))) {
 		for (n = res->start; hook && n <= res->end; n++) {
 			if (request_irq(n, sh_mobile_i2c_isr, IRQF_DISABLED,
-					dev->dev.bus_id, dev))
+					dev_name(&dev->dev), dev))
 				goto rollback;
 		}
 		k++;
diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c
index dfc2d5eb6a6..8ce2daff985 100644
--- a/drivers/i2c/busses/i2c-sis5595.c
+++ b/drivers/i2c/busses/i2c-sis5595.c
@@ -389,8 +389,8 @@ static int __devinit sis5595_probe(struct pci_dev *dev, const struct pci_device_
 	/* set up the sysfs linkage to our parent device */
 	sis5595_adapter.dev.parent = &dev->dev;
 
-	sprintf(sis5595_adapter.name, "SMBus SIS5595 adapter at %04x",
-		sis5595_base + SMB_INDEX);
+	snprintf(sis5595_adapter.name, sizeof(sis5595_adapter.name),
+		 "SMBus SIS5595 adapter at %04x", sis5595_base + SMB_INDEX);
 	err = i2c_add_adapter(&sis5595_adapter);
 	if (err) {
 		release_region(sis5595_base + SMB_INDEX, 2);
diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c
index e7c4b790da5..9c9c016ff2b 100644
--- a/drivers/i2c/busses/i2c-sis630.c
+++ b/drivers/i2c/busses/i2c-sis630.c
@@ -487,8 +487,8 @@ static int __devinit sis630_probe(struct pci_dev *dev, const struct pci_device_i
 	/* set up the sysfs linkage to our parent device */
 	sis630_adapter.dev.parent = &dev->dev;
 
-	sprintf(sis630_adapter.name, "SMBus SIS630 adapter at %04x",
-		acpi_base + SMB_STS);
+	snprintf(sis630_adapter.name, sizeof(sis630_adapter.name),
+		 "SMBus SIS630 adapter at %04x", acpi_base + SMB_STS);
 
 	return i2c_add_adapter(&sis630_adapter);
 }
diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index 864ac561fdb..59c3d23f5bd 100644
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -114,18 +114,6 @@ config SENSORS_PCF8591
 	  These devices are hard to detect and rarely found on mainstream
 	  hardware.  If unsure, say N.
 
-config ISP1301_OMAP
-	tristate "Philips ISP1301 with OMAP OTG"
-	depends on ARCH_OMAP_OTG
-	help
-	  If you say yes here you get support for the Philips ISP1301
-	  USB-On-The-Go transceiver working with the OMAP OTG controller.
-	  The ISP1301 is used in products including H2 and H3 development
-	  boards for Texas Instruments OMAP processors.
-	  
-	  This driver can also be built as a module.  If so, the module
-	  will be called isp1301_omap.
-
 config SENSORS_MAX6875
 	tristate "Maxim MAX6875 Power supply supervisor"
 	depends on EXPERIMENTAL
diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
index 8b95f41a500..83accaaf816 100644
--- a/drivers/i2c/chips/Makefile
+++ b/drivers/i2c/chips/Makefile
@@ -18,7 +18,6 @@ obj-$(CONFIG_SENSORS_PCA9539)	+= pca9539.o
 obj-$(CONFIG_SENSORS_PCF8574)	+= pcf8574.o
 obj-$(CONFIG_PCF8575)		+= pcf8575.o
 obj-$(CONFIG_SENSORS_PCF8591)	+= pcf8591.o
-obj-$(CONFIG_ISP1301_OMAP)	+= isp1301_omap.o
 obj-$(CONFIG_SENSORS_TSL2550)	+= tsl2550.o
 obj-$(CONFIG_MCU_MPC8349EMITX)	+= mcu_mpc8349emitx.o
 
diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c
deleted file mode 100644
index e0d56ef2bcb..00000000000
--- a/drivers/i2c/chips/isp1301_omap.c
+++ /dev/null
@@ -1,1683 +0,0 @@
-/*
- * isp1301_omap - ISP 1301 USB transceiver, talking to OMAP OTG controller
- *
- * Copyright (C) 2004 Texas Instruments
- * Copyright (C) 2004 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/usb/ch9.h>
-#include <linux/usb/gadget.h>
-#include <linux/usb.h>
-#include <linux/usb/otg.h>
-#include <linux/i2c.h>
-#include <linux/workqueue.h>
-
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-
-#include <mach/usb.h>
-#include <mach/mux.h>
-
-
-#ifndef	DEBUG
-#undef	VERBOSE
-#endif
-
-
-#define	DRIVER_VERSION	"24 August 2004"
-#define	DRIVER_NAME	(isp1301_driver.driver.name)
-
-MODULE_DESCRIPTION("ISP1301 USB OTG Transceiver Driver");
-MODULE_LICENSE("GPL");
-
-struct isp1301 {
-	struct otg_transceiver	otg;
-	struct i2c_client	*client;
-	void			(*i2c_release)(struct device *dev);
-
-	int			irq_type;
-
-	u32			last_otg_ctrl;
-	unsigned		working:1;
-
-	struct timer_list	timer;
-
-	/* use keventd context to change the state for us */
-	struct work_struct	work;
-
-	unsigned long		todo;
-#		define WORK_UPDATE_ISP	0	/* update ISP from OTG */
-#		define WORK_UPDATE_OTG	1	/* update OTG from ISP */
-#		define WORK_HOST_RESUME	4	/* resume host */
-#		define WORK_TIMER	6	/* timer fired */
-#		define WORK_STOP	7	/* don't resubmit */
-};
-
-
-/* bits in OTG_CTRL */
-
-#define	OTG_XCEIV_OUTPUTS \
-	(OTG_ASESSVLD|OTG_BSESSEND|OTG_BSESSVLD|OTG_VBUSVLD|OTG_ID)
-#define	OTG_XCEIV_INPUTS \
-	(OTG_PULLDOWN|OTG_PULLUP|OTG_DRV_VBUS|OTG_PD_VBUS|OTG_PU_VBUS|OTG_PU_ID)
-#define	OTG_CTRL_BITS \
-	(OTG_A_BUSREQ|OTG_A_SETB_HNPEN|OTG_B_BUSREQ|OTG_B_HNPEN|OTG_BUSDROP)
-	/* and OTG_PULLUP is sometimes written */
-
-#define	OTG_CTRL_MASK	(OTG_DRIVER_SEL| \
-	OTG_XCEIV_OUTPUTS|OTG_XCEIV_INPUTS| \
-	OTG_CTRL_BITS)
-
-
-/*-------------------------------------------------------------------------*/
-
-/* board-specific PM hooks */
-
-#if defined(CONFIG_MACH_OMAP_H2) || defined(CONFIG_MACH_OMAP_H3)
-
-#if	defined(CONFIG_TPS65010) || defined(CONFIG_TPS65010_MODULE)
-
-#include <linux/i2c/tps65010.h>
-
-#else
-
-static inline int tps65010_set_vbus_draw(unsigned mA)
-{
-	pr_debug("tps65010: draw %d mA (STUB)\n", mA);
-	return 0;
-}
-
-#endif
-
-static void enable_vbus_draw(struct isp1301 *isp, unsigned mA)
-{
-	int status = tps65010_set_vbus_draw(mA);
-	if (status < 0)
-		pr_debug("  VBUS %d mA error %d\n", mA, status);
-}
-
-static void enable_vbus_source(struct isp1301 *isp)
-{
-	/* this board won't supply more than 8mA vbus power.
-	 * some boards can switch a 100ma "unit load" (or more).
-	 */
-}
-
-
-/* products will deliver OTG messages with LEDs, GUI, etc */
-static inline void notresponding(struct isp1301 *isp)
-{
-	printk(KERN_NOTICE "OTG device not responding.\n");
-}
-
-
-#endif
-
-#if defined(CONFIG_MACH_OMAP_H4)
-
-static void enable_vbus_draw(struct isp1301 *isp, unsigned mA)
-{
-	/* H4 controls this by DIP switch S2.4; no soft control.
-	 * ON means the charger is always enabled.  Leave it OFF
-	 * unless the OTG port is used only in B-peripheral mode.
-	 */
-}
-
-static void enable_vbus_source(struct isp1301 *isp)
-{
-	/* this board won't supply more than 8mA vbus power.
-	 * some boards can switch a 100ma "unit load" (or more).
-	 */
-}
-
-
-/* products will deliver OTG messages with LEDs, GUI, etc */
-static inline void notresponding(struct isp1301 *isp)
-{
-	printk(KERN_NOTICE "OTG device not responding.\n");
-}
-
-
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-static struct i2c_driver isp1301_driver;
-
-/* smbus apis are used for portability */
-
-static inline u8
-isp1301_get_u8(struct isp1301 *isp, u8 reg)
-{
-	return i2c_smbus_read_byte_data(isp->client, reg + 0);
-}
-
-static inline int
-isp1301_get_u16(struct isp1301 *isp, u8 reg)
-{
-	return i2c_smbus_read_word_data(isp->client, reg);
-}
-
-static inline int
-isp1301_set_bits(struct isp1301 *isp, u8 reg, u8 bits)
-{
-	return i2c_smbus_write_byte_data(isp->client, reg + 0, bits);
-}
-
-static inline int
-isp1301_clear_bits(struct isp1301 *isp, u8 reg, u8 bits)
-{
-	return i2c_smbus_write_byte_data(isp->client, reg + 1, bits);
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* identification */
-#define	ISP1301_VENDOR_ID		0x00	/* u16 read */
-#define	ISP1301_PRODUCT_ID		0x02	/* u16 read */
-#define	ISP1301_BCD_DEVICE		0x14	/* u16 read */
-
-#define	I2C_VENDOR_ID_PHILIPS		0x04cc
-#define	I2C_PRODUCT_ID_PHILIPS_1301	0x1301
-
-/* operational registers */
-#define	ISP1301_MODE_CONTROL_1		0x04	/* u8 read, set, +1 clear */
-#	define	MC1_SPEED		(1 << 0)
-#	define	MC1_SUSPEND		(1 << 1)
-#	define	MC1_DAT_SE0		(1 << 2)
-#	define	MC1_TRANSPARENT		(1 << 3)
-#	define	MC1_BDIS_ACON_EN	(1 << 4)
-#	define	MC1_OE_INT_EN		(1 << 5)
-#	define	MC1_UART_EN		(1 << 6)
-#	define	MC1_MASK		0x7f
-#define	ISP1301_MODE_CONTROL_2		0x12	/* u8 read, set, +1 clear */
-#	define	MC2_GLOBAL_PWR_DN	(1 << 0)
-#	define	MC2_SPD_SUSP_CTRL	(1 << 1)
-#	define	MC2_BI_DI		(1 << 2)
-#	define	MC2_TRANSP_BDIR0	(1 << 3)
-#	define	MC2_TRANSP_BDIR1	(1 << 4)
-#	define	MC2_AUDIO_EN		(1 << 5)
-#	define	MC2_PSW_EN		(1 << 6)
-#	define	MC2_EN2V7		(1 << 7)
-#define	ISP1301_OTG_CONTROL_1		0x06	/* u8 read, set, +1 clear */
-#	define	OTG1_DP_PULLUP		(1 << 0)
-#	define	OTG1_DM_PULLUP		(1 << 1)
-#	define	OTG1_DP_PULLDOWN	(1 << 2)
-#	define	OTG1_DM_PULLDOWN	(1 << 3)
-#	define	OTG1_ID_PULLDOWN	(1 << 4)
-#	define	OTG1_VBUS_DRV		(1 << 5)
-#	define	OTG1_VBUS_DISCHRG	(1 << 6)
-#	define	OTG1_VBUS_CHRG		(1 << 7)
-#define	ISP1301_OTG_STATUS		0x10	/* u8 readonly */
-#	define	OTG_B_SESS_END		(1 << 6)
-#	define	OTG_B_SESS_VLD		(1 << 7)
-
-#define	ISP1301_INTERRUPT_SOURCE	0x08	/* u8 read */
-#define	ISP1301_INTERRUPT_LATCH		0x0A	/* u8 read, set, +1 clear */
-
-#define	ISP1301_INTERRUPT_FALLING	0x0C	/* u8 read, set, +1 clear */
-#define	ISP1301_INTERRUPT_RISING	0x0E	/* u8 read, set, +1 clear */
-
-/* same bitfields in all interrupt registers */
-#	define	INTR_VBUS_VLD		(1 << 0)
-#	define	INTR_SESS_VLD		(1 << 1)
-#	define	INTR_DP_HI		(1 << 2)
-#	define	INTR_ID_GND		(1 << 3)
-#	define	INTR_DM_HI		(1 << 4)
-#	define	INTR_ID_FLOAT		(1 << 5)
-#	define	INTR_BDIS_ACON		(1 << 6)
-#	define	INTR_CR_INT		(1 << 7)
-
-/*-------------------------------------------------------------------------*/
-
-static const char *state_string(enum usb_otg_state state)
-{
-	switch (state) {
-	case OTG_STATE_A_IDLE:		return "a_idle";
-	case OTG_STATE_A_WAIT_VRISE:	return "a_wait_vrise";
-	case OTG_STATE_A_WAIT_BCON:	return "a_wait_bcon";
-	case OTG_STATE_A_HOST:		return "a_host";
-	case OTG_STATE_A_SUSPEND:	return "a_suspend";
-	case OTG_STATE_A_PERIPHERAL:	return "a_peripheral";
-	case OTG_STATE_A_WAIT_VFALL:	return "a_wait_vfall";
-	case OTG_STATE_A_VBUS_ERR:	return "a_vbus_err";
-	case OTG_STATE_B_IDLE:		return "b_idle";
-	case OTG_STATE_B_SRP_INIT:	return "b_srp_init";
-	case OTG_STATE_B_PERIPHERAL:	return "b_peripheral";
-	case OTG_STATE_B_WAIT_ACON:	return "b_wait_acon";
-	case OTG_STATE_B_HOST:		return "b_host";
-	default:			return "UNDEFINED";
-	}
-}
-
-static inline const char *state_name(struct isp1301 *isp)
-{
-	return state_string(isp->otg.state);
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* NOTE:  some of this ISP1301 setup is specific to H2 boards;
- * not everything is guarded by board-specific checks, or even using
- * omap_usb_config data to deduce MC1_DAT_SE0 and MC2_BI_DI.
- *
- * ALSO:  this currently doesn't use ISP1301 low-power modes
- * while OTG is running.
- */
-
-static void power_down(struct isp1301 *isp)
-{
-	isp->otg.state = OTG_STATE_UNDEFINED;
-
-	// isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
-	isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND);
-
-	isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_ID_PULLDOWN);
-	isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
-}
-
-static void power_up(struct isp1301 *isp)
-{
-	// isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
-	isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND);
-
-	/* do this only when cpu is driving transceiver,
-	 * so host won't see a low speed device...
-	 */
-	isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
-}
-
-#define	NO_HOST_SUSPEND
-
-static int host_suspend(struct isp1301 *isp)
-{
-#ifdef	NO_HOST_SUSPEND
-	return 0;
-#else
-	struct device	*dev;
-
-	if (!isp->otg.host)
-		return -ENODEV;
-
-	/* Currently ASSUMES only the OTG port matters;
-	 * other ports could be active...
-	 */
-	dev = isp->otg.host->controller;
-	return dev->driver->suspend(dev, 3, 0);
-#endif
-}
-
-static int host_resume(struct isp1301 *isp)
-{
-#ifdef	NO_HOST_SUSPEND
-	return 0;
-#else
-	struct device	*dev;
-
-	if (!isp->otg.host)
-		return -ENODEV;
-
-	dev = isp->otg.host->controller;
-	return dev->driver->resume(dev, 0);
-#endif
-}
-
-static int gadget_suspend(struct isp1301 *isp)
-{
-	isp->otg.gadget->b_hnp_enable = 0;
-	isp->otg.gadget->a_hnp_support = 0;
-	isp->otg.gadget->a_alt_hnp_support = 0;
-	return usb_gadget_vbus_disconnect(isp->otg.gadget);
-}
-
-/*-------------------------------------------------------------------------*/
-
-#define	TIMER_MINUTES	10
-#define	TIMER_JIFFIES	(TIMER_MINUTES * 60 * HZ)
-
-/* Almost all our I2C messaging comes from a work queue's task context.
- * NOTE: guaranteeing certain response times might mean we shouldn't
- * share keventd's work queue; a realtime task might be safest.
- */
-static void isp1301_defer_work(struct isp1301 *isp, int work)
-{
-	int status;
-
-	if (isp && !test_and_set_bit(work, &isp->todo)) {
-		(void) get_device(&isp->client->dev);
-		status = schedule_work(&isp->work);
-		if (!status && !isp->working)
-			dev_vdbg(&isp->client->dev,
-				"work item %d may be lost\n", work);
-	}
-}
-
-/* called from irq handlers */
-static void a_idle(struct isp1301 *isp, const char *tag)
-{
-	u32 l;
-
-	if (isp->otg.state == OTG_STATE_A_IDLE)
-		return;
-
-	isp->otg.default_a = 1;
-	if (isp->otg.host) {
-		isp->otg.host->is_b_host = 0;
-		host_suspend(isp);
-	}
-	if (isp->otg.gadget) {
-		isp->otg.gadget->is_a_peripheral = 1;
-		gadget_suspend(isp);
-	}
-	isp->otg.state = OTG_STATE_A_IDLE;
-	l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
-	omap_writel(l, OTG_CTRL);
-	isp->last_otg_ctrl = l;
-	pr_debug("  --> %s/%s\n", state_name(isp), tag);
-}
-
-/* called from irq handlers */
-static void b_idle(struct isp1301 *isp, const char *tag)
-{
-	u32 l;
-
-	if (isp->otg.state == OTG_STATE_B_IDLE)
-		return;
-
-	isp->otg.default_a = 0;
-	if (isp->otg.host) {
-		isp->otg.host->is_b_host = 1;
-		host_suspend(isp);
-	}
-	if (isp->otg.gadget) {
-		isp->otg.gadget->is_a_peripheral = 0;
-		gadget_suspend(isp);
-	}
-	isp->otg.state = OTG_STATE_B_IDLE;
-	l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
-	omap_writel(l, OTG_CTRL);
-	isp->last_otg_ctrl = l;
-	pr_debug("  --> %s/%s\n", state_name(isp), tag);
-}
-
-static void
-dump_regs(struct isp1301 *isp, const char *label)
-{
-#ifdef	DEBUG
-	u8	ctrl = isp1301_get_u8(isp, ISP1301_OTG_CONTROL_1);
-	u8	status = isp1301_get_u8(isp, ISP1301_OTG_STATUS);
-	u8	src = isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE);
-
-	pr_debug("otg: %06x, %s %s, otg/%02x stat/%02x.%02x\n",
-		omap_readl(OTG_CTRL), label, state_name(isp),
-		ctrl, status, src);
-	/* mode control and irq enables don't change much */
-#endif
-}
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef	CONFIG_USB_OTG
-
-/*
- * The OMAP OTG controller handles most of the OTG state transitions.
- *
- * We translate isp1301 outputs (mostly voltage comparator status) into
- * OTG inputs; OTG outputs (mostly pullup/pulldown controls) and HNP state
- * flags into isp1301 inputs ... and infer state transitions.
- */
-
-#ifdef	VERBOSE
-
-static void check_state(struct isp1301 *isp, const char *tag)
-{
-	enum usb_otg_state	state = OTG_STATE_UNDEFINED;
-	u8			fsm = omap_readw(OTG_TEST) & 0x0ff;
-	unsigned		extra = 0;
-
-	switch (fsm) {
-
-	/* default-b */
-	case 0x0:
-		state = OTG_STATE_B_IDLE;
-		break;
-	case 0x3:
-	case 0x7:
-		extra = 1;
-	case 0x1:
-		state = OTG_STATE_B_PERIPHERAL;
-		break;
-	case 0x11:
-		state = OTG_STATE_B_SRP_INIT;
-		break;
-
-	/* extra dual-role default-b states */
-	case 0x12:
-	case 0x13:
-	case 0x16:
-		extra = 1;
-	case 0x17:
-		state = OTG_STATE_B_WAIT_ACON;
-		break;
-	case 0x34:
-		state = OTG_STATE_B_HOST;
-		break;
-
-	/* default-a */
-	case 0x36:
-		state = OTG_STATE_A_IDLE;
-		break;
-	case 0x3c:
-		state = OTG_STATE_A_WAIT_VFALL;
-		break;
-	case 0x7d:
-		state = OTG_STATE_A_VBUS_ERR;
-		break;
-	case 0x9e:
-	case 0x9f:
-		extra = 1;
-	case 0x89:
-		state = OTG_STATE_A_PERIPHERAL;
-		break;
-	case 0xb7:
-		state = OTG_STATE_A_WAIT_VRISE;
-		break;
-	case 0xb8:
-		state = OTG_STATE_A_WAIT_BCON;
-		break;
-	case 0xb9:
-		state = OTG_STATE_A_HOST;
-		break;
-	case 0xba:
-		state = OTG_STATE_A_SUSPEND;
-		break;
-	default:
-		break;
-	}
-	if (isp->otg.state == state && !extra)
-		return;
-	pr_debug("otg: %s FSM %s/%02x, %s, %06x\n", tag,
-		state_string(state), fsm, state_name(isp),
-		omap_readl(OTG_CTRL));
-}
-
-#else
-
-static inline void check_state(struct isp1301 *isp, const char *tag) { }
-
-#endif
-
-/* outputs from ISP1301_INTERRUPT_SOURCE */
-static void update_otg1(struct isp1301 *isp, u8 int_src)
-{
-	u32	otg_ctrl;
-
-	otg_ctrl = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
-	otg_ctrl &= ~OTG_XCEIV_INPUTS;
-	otg_ctrl &= ~(OTG_ID|OTG_ASESSVLD|OTG_VBUSVLD);
-
-	if (int_src & INTR_SESS_VLD)
-		otg_ctrl |= OTG_ASESSVLD;
-	else if (isp->otg.state == OTG_STATE_A_WAIT_VFALL) {
-		a_idle(isp, "vfall");
-		otg_ctrl &= ~OTG_CTRL_BITS;
-	}
-	if (int_src & INTR_VBUS_VLD)
-		otg_ctrl |= OTG_VBUSVLD;
-	if (int_src & INTR_ID_GND) {		/* default-A */
-		if (isp->otg.state == OTG_STATE_B_IDLE
-				|| isp->otg.state == OTG_STATE_UNDEFINED) {
-			a_idle(isp, "init");
-			return;
-		}
-	} else {				/* default-B */
-		otg_ctrl |= OTG_ID;
-		if (isp->otg.state == OTG_STATE_A_IDLE
-				|| isp->otg.state == OTG_STATE_UNDEFINED) {
-			b_idle(isp, "init");
-			return;
-		}
-	}
-	omap_writel(otg_ctrl, OTG_CTRL);
-}
-
-/* outputs from ISP1301_OTG_STATUS */
-static void update_otg2(struct isp1301 *isp, u8 otg_status)
-{
-	u32	otg_ctrl;
-
-	otg_ctrl = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
-	otg_ctrl &= ~OTG_XCEIV_INPUTS;
-	otg_ctrl &= ~(OTG_BSESSVLD | OTG_BSESSEND);
-	if (otg_status & OTG_B_SESS_VLD)
-		otg_ctrl |= OTG_BSESSVLD;
-	else if (otg_status & OTG_B_SESS_END)
-		otg_ctrl |= OTG_BSESSEND;
-	omap_writel(otg_ctrl, OTG_CTRL);
-}
-
-/* inputs going to ISP1301 */
-static void otg_update_isp(struct isp1301 *isp)
-{
-	u32	otg_ctrl, otg_change;
-	u8	set = OTG1_DM_PULLDOWN, clr = OTG1_DM_PULLUP;
-
-	otg_ctrl = omap_readl(OTG_CTRL);
-	otg_change = otg_ctrl ^ isp->last_otg_ctrl;
-	isp->last_otg_ctrl = otg_ctrl;
-	otg_ctrl = otg_ctrl & OTG_XCEIV_INPUTS;
-
-	switch (isp->otg.state) {
-	case OTG_STATE_B_IDLE:
-	case OTG_STATE_B_PERIPHERAL:
-	case OTG_STATE_B_SRP_INIT:
-		if (!(otg_ctrl & OTG_PULLUP)) {
-			// if (otg_ctrl & OTG_B_HNPEN) {
-			if (isp->otg.gadget->b_hnp_enable) {
-				isp->otg.state = OTG_STATE_B_WAIT_ACON;
-				pr_debug("  --> b_wait_acon\n");
-			}
-			goto pulldown;
-		}
-pullup:
-		set |= OTG1_DP_PULLUP;
-		clr |= OTG1_DP_PULLDOWN;
-		break;
-	case OTG_STATE_A_SUSPEND:
-	case OTG_STATE_A_PERIPHERAL:
-		if (otg_ctrl & OTG_PULLUP)
-			goto pullup;
-		/* FALLTHROUGH */
-	// case OTG_STATE_B_WAIT_ACON:
-	default:
-pulldown:
-		set |= OTG1_DP_PULLDOWN;
-		clr |= OTG1_DP_PULLUP;
-		break;
-	}
-
-#	define toggle(OTG,ISP) do { \
-		if (otg_ctrl & OTG) set |= ISP; \
-		else clr |= ISP; \
-		} while (0)
-
-	if (!(isp->otg.host))
-		otg_ctrl &= ~OTG_DRV_VBUS;
-
-	switch (isp->otg.state) {
-	case OTG_STATE_A_SUSPEND:
-		if (otg_ctrl & OTG_DRV_VBUS) {
-			set |= OTG1_VBUS_DRV;
-			break;
-		}
-		/* HNP failed for some reason (A_AIDL_BDIS timeout) */
-		notresponding(isp);
-
-		/* FALLTHROUGH */
-	case OTG_STATE_A_VBUS_ERR:
-		isp->otg.state = OTG_STATE_A_WAIT_VFALL;
-		pr_debug("  --> a_wait_vfall\n");
-		/* FALLTHROUGH */
-	case OTG_STATE_A_WAIT_VFALL:
-		/* FIXME usbcore thinks port power is still on ... */
-		clr |= OTG1_VBUS_DRV;
-		break;
-	case OTG_STATE_A_IDLE:
-		if (otg_ctrl & OTG_DRV_VBUS) {
-			isp->otg.state = OTG_STATE_A_WAIT_VRISE;
-			pr_debug("  --> a_wait_vrise\n");
-		}
-		/* FALLTHROUGH */
-	default:
-		toggle(OTG_DRV_VBUS, OTG1_VBUS_DRV);
-	}
-
-	toggle(OTG_PU_VBUS, OTG1_VBUS_CHRG);
-	toggle(OTG_PD_VBUS, OTG1_VBUS_DISCHRG);
-
-#	undef toggle
-
-	isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, set);
-	isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, clr);
-
-	/