Merge tag 'staging-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver tree merge from Greg Kroah-Hartman:
 "Here's the big staging tree merge for 3.8-rc1

  There's a lot of patches in here, the majority being the comedi
  rework/cleanup that has been ongoing and is causing a huge reduction
  in overall code size, which is amazing to watch.  We also removed some
  older drivers (telephony and rts_pstor), and added a new one (fwserial
  which also came in through the tty tree due to tty api changes, take
  that one if you get merge conflicts.)

  The iio and ipack drivers are moving out of the staging area into
  their own part of the kernel as they have been cleaned up sufficiently
  and are working well.

  Overall, again a reduction of code:
   768 files changed, 31887 insertions(+), 82166 deletions(-)

  All of this has been in the linux-next tree for a while.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'staging-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1298 commits)
  iio: imu: adis16480: remove duplicated include from adis16480.c
  iio: gyro: adis16136: remove duplicated include from adis16136.c
  iio:imu: adis16480: show_firmware() buffer too small
  iio:gyro: adis16136: divide by zero in write_frequency()
  iio: adc: Add Texas Instruments ADC081C021/027 support
  iio:ad7793: Add support for the ad7796 and ad7797
  iio:ad7793: Add support for the ad7798 and ad7799
  staging:iio: Move ad7793 driver out of staging
  staging:iio:ad7793: Implement stricter id checking
  staging:iio:ad7793: Move register definitions from header to source
  staging:iio:ad7793: Rework regulator handling
  staging:iio:ad7793: Rework platform data
  staging:iio:ad7793: Use kstrtol instead of strict_strtol
  staging:iio:ad7793: Use usleep_range instead of msleep
  staging:iio:ad7793: Fix temperature scale
  staging:iio:ad7793: Fix VDD monitor scale
  staging: gdm72xx: unlock on error in init_usb()
  staging: panel: pass correct lengths to keypad_send_key()
  staging: comedi: addi_apci_2032: fix interrupt support
  staging: comedi: addi_apci_2032: move i_APCI2032_ConfigDigitalOutput()
  ...

1 files changed, 245 insertions, 0 deletions

diff --git a/include/linux/ipack.h b/include/linux/ipack.h
new file mode 100644
index 00000000000..fea12cbb2ae
--- /dev/null
+++ b/include/linux/ipack.h
@@ -0,0 +1,245 @@
+/*
+ * Industry-pack bus.
+ *
+ * Copyright (C) 2011-2012 CERN (www.cern.ch)
+ * Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
+ *
+ * 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; version 2 of the License.
+ */
+
+#include <linux/mod_devicetable.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+
+#define IPACK_IDPROM_OFFSET_I			0x01
+#define IPACK_IDPROM_OFFSET_P			0x03
+#define IPACK_IDPROM_OFFSET_A			0x05
+#define IPACK_IDPROM_OFFSET_C			0x07
+#define IPACK_IDPROM_OFFSET_MANUFACTURER_ID	0x09
+#define IPACK_IDPROM_OFFSET_MODEL		0x0B
+#define IPACK_IDPROM_OFFSET_REVISION		0x0D
+#define IPACK_IDPROM_OFFSET_RESERVED		0x0F
+#define IPACK_IDPROM_OFFSET_DRIVER_ID_L		0x11
+#define IPACK_IDPROM_OFFSET_DRIVER_ID_H		0x13
+#define IPACK_IDPROM_OFFSET_NUM_BYTES		0x15
+#define IPACK_IDPROM_OFFSET_CRC			0x17
+
+/*
+ * IndustryPack Fromat, Vendor and Device IDs.
+ */
+
+/* ID section format versions */
+#define IPACK_ID_VERSION_INVALID	0x00
+#define IPACK_ID_VERSION_1		0x01
+#define IPACK_ID_VERSION_2		0x02
+
+/* Vendors and devices. Sort key: vendor first, device next. */
+#define IPACK1_VENDOR_ID_RESERVED1	0x00
+#define IPACK1_VENDOR_ID_RESERVED2	0xFF
+#define IPACK1_VENDOR_ID_UNREGISTRED01	0x01
+#define IPACK1_VENDOR_ID_UNREGISTRED02	0x02
+#define IPACK1_VENDOR_ID_UNREGISTRED03	0x03
+#define IPACK1_VENDOR_ID_UNREGISTRED04	0x04
+#define IPACK1_VENDOR_ID_UNREGISTRED05	0x05
+#define IPACK1_VENDOR_ID_UNREGISTRED06	0x06
+#define IPACK1_VENDOR_ID_UNREGISTRED07	0x07
+#define IPACK1_VENDOR_ID_UNREGISTRED08	0x08
+#define IPACK1_VENDOR_ID_UNREGISTRED09	0x09
+#define IPACK1_VENDOR_ID_UNREGISTRED10	0x0A
+#define IPACK1_VENDOR_ID_UNREGISTRED11	0x0B
+#define IPACK1_VENDOR_ID_UNREGISTRED12	0x0C
+#define IPACK1_VENDOR_ID_UNREGISTRED13	0x0D
+#define IPACK1_VENDOR_ID_UNREGISTRED14	0x0E
+#define IPACK1_VENDOR_ID_UNREGISTRED15	0x0F
+
+#define IPACK1_VENDOR_ID_SBS            0xF0
+#define IPACK1_DEVICE_ID_SBS_OCTAL_232  0x22
+#define IPACK1_DEVICE_ID_SBS_OCTAL_422  0x2A
+#define IPACK1_DEVICE_ID_SBS_OCTAL_485  0x48
+
+struct ipack_bus_ops;
+struct ipack_driver;
+
+enum ipack_space {
+	IPACK_IO_SPACE    = 0,
+	IPACK_ID_SPACE,
+	IPACK_INT_SPACE,
+	IPACK_MEM8_SPACE,
+	IPACK_MEM16_SPACE,
+	/* Dummy for counting the number of entries.  Must remain the last
+	 * entry */
+	IPACK_SPACE_COUNT,
+};
+
+/**
+ */
+struct ipack_region {
+	phys_addr_t start;
+	size_t      size;
+};
+
+/**
+ *	struct ipack_device
+ *
+ *	@slot: Slot where the device is plugged in the carrier board
+ *	@bus: ipack_bus_device where the device is plugged to.
+ *	@id_space: Virtual address to ID space.
+ *	@io_space: Virtual address to IO space.
+ *	@mem_space: Virtual address to MEM space.
+ *	@dev: device in kernel representation.
+ *
+ * Warning: Direct access to mapped memory is possible but the endianness
+ * is not the same with PCI carrier or VME carrier. The endianness is managed
+ * by the carrier board throught bus->ops.
+ */
+struct ipack_device {
+	unsigned int slot;
+	struct ipack_bus_device *bus;
+	struct device dev;
+	void (*release) (struct ipack_device *dev);
+	struct ipack_region      region[IPACK_SPACE_COUNT];
+	u8                      *id;
+	size_t			 id_avail;
+	u32			 id_vendor;
+	u32			 id_device;
+	u8			 id_format;
+	unsigned int		 id_crc_correct:1;
+	unsigned int		 speed_8mhz:1;
+	unsigned int		 speed_32mhz:1;
+};
+
+/**
+ * struct ipack_driver_ops -- Callbacks to IPack device driver
+ *
+ * @probe:  Probe function
+ * @remove: Prepare imminent removal of the device.  Services provided by the
+ *          device should be revoked.
+ */
+
+struct ipack_driver_ops {
+	int (*probe) (struct ipack_device *dev);
+	void (*remove) (struct ipack_device *dev);
+};
+
+/**
+ * struct ipack_driver -- Specific data to each ipack device driver
+ *
+ * @driver: Device driver kernel representation
+ * @ops:    Callbacks provided by the IPack device driver
+ */
+struct ipack_driver {
+	struct device_driver driver;
+	const struct ipack_device_id *id_table;
+	const struct ipack_driver_ops *ops;
+};
+
+/**
+ *	struct ipack_bus_ops - available operations on a bridge module
+ *
+ *	@map_space: map IP address space
+ *	@unmap_space: unmap IP address space
+ *	@request_irq: request IRQ
+ *	@free_irq: free IRQ
+ *	@get_clockrate: Returns the clockrate the carrier is currently
+ *		communicating with the device at.
+ *	@set_clockrate: Sets the clock-rate for carrier / module communication.
+ *		Should return -EINVAL if the requested speed is not supported.
+ *	@get_error: Returns the error state for the slot the device is attached
+ *		to.
+ *	@get_timeout: Returns 1 if the communication with the device has
+ *		previously timed out.
+ *	@reset_timeout: Resets the state returned by get_timeout.
+ */
+struct ipack_bus_ops {
+	int (*request_irq) (struct ipack_device *dev,
+			    irqreturn_t (*handler)(void *), void *arg);
+	int (*free_irq) (struct ipack_device *dev);
+	int (*get_clockrate) (struct ipack_device *dev);
+	int (*set_clockrate) (struct ipack_device *dev, int mherz);
+	int (*get_error) (struct ipack_device *dev);
+	int (*get_timeout) (struct ipack_device *dev);
+	int (*reset_timeout) (struct ipack_device *dev);
+};
+
+/**
+ *	struct ipack_bus_device
+ *
+ *	@dev: pointer to carrier device
+ *	@slots: number of slots available
+ *	@bus_nr: ipack bus number
+ *	@ops: bus operations for the mezzanine drivers
+ */
+struct ipack_bus_device {
+	struct device *parent;
+	int slots;
+	int bus_nr;
+	const struct ipack_bus_ops *ops;
+};
+
+/**
+ *	ipack_bus_register -- register a new ipack bus
+ *
+ * @parent: pointer to the parent device, if any.
+ * @slots: number of slots available in the bus device.
+ * @ops: bus operations for the mezzanine drivers.
+ *
+ * The carrier board device should call this function to register itself as
+ * available bus device in ipack.
+ */
+struct ipack_bus_device *ipack_bus_register(struct device *parent, int slots,
+					    const struct ipack_bus_ops *ops);
+
+/**
+ *	ipack_bus_unregister -- unregister an ipack bus
+ */
+int ipack_bus_unregister(struct ipack_bus_device *bus);
+
+/**
+ * ipack_driver_register -- Register a new ipack device driver
+ *
+ * Called by a ipack driver to register itself as a driver
+ * that can manage ipack devices.
+ */
+int ipack_driver_register(struct ipack_driver *edrv, struct module *owner,
+			  const char *name);
+void ipack_driver_unregister(struct ipack_driver *edrv);
+
+/**
+ *	ipack_device_register -- register an IPack device with the kernel
+ *	@dev: the new device to register.
+ *
+ *	Register a new IPack device ("module" in IndustryPack jargon). The call
+ *	is done by the carrier driver.  The carrier should populate the fields
+ *	bus and slot as well as the region array of @dev prior to calling this
+ *	function.  The rest of the fields will be allocated and populated
+ *	during registration.
+ *
+ *	Return zero on success or error code on failure.
+ */
+int ipack_device_register(struct ipack_device *dev);
+void ipack_device_unregister(struct ipack_device *dev);
+
+/**
+ * DEFINE_IPACK_DEVICE_TABLE - macro used to describe a IndustryPack table
+ * @_table: device table name
+ *
+ * This macro is used to create a struct ipack_device_id array (a device table)
+ * in a generic manner.
+ */
+#define DEFINE_IPACK_DEVICE_TABLE(_table) \
+	const struct ipack_device_id _table[]
+/**
+ * IPACK_DEVICE - macro used to describe a specific IndustryPack device
+ * @_format: the format version (currently either 1 or 2, 8 bit value)
+ * @vend:    the 8 or 24 bit IndustryPack Vendor ID
+ * @dev:     the 8 or 16  bit IndustryPack Device ID
+ *
+ * This macro is used to create a struct ipack_device_id that matches a specific
+ * device.
+ */
+#define IPACK_DEVICE(_format, vend, dev) \
+	 .format = (_format), \
+	 .vendor = (vend), \
+	 .device = (dev)