diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/iio/buffer.h | 26 | ||||
| -rw-r--r-- | include/linux/iio/consumer.h | 50 | ||||
| -rw-r--r-- | include/linux/iio/iio.h | 5 | ||||
| -rw-r--r-- | include/linux/iio/imu/adis.h | 280 | ||||
| -rw-r--r-- | include/linux/iio/machine.h | 2 | ||||
| -rw-r--r-- | include/linux/iio/types.h | 2 | ||||
| -rw-r--r-- | include/linux/ipack.h | 245 | ||||
| -rw-r--r-- | include/linux/platform_data/ad5449.h | 40 | ||||
| -rw-r--r-- | include/linux/platform_data/ad7298.h | 20 | ||||
| -rw-r--r-- | include/linux/platform_data/ad7793.h | 112 | ||||
| -rw-r--r-- | include/linux/platform_data/ad7887.h | 26 | ||||
| -rw-r--r-- | include/linux/platform_data/omap_drm.h | 1 |
12 files changed, 803 insertions, 6 deletions
diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h index c629b3a1d9a9..f3eea18fdf46 100644 --- a/include/linux/iio/buffer.h +++ b/include/linux/iio/buffer.h @@ -66,7 +66,8 @@ struct iio_buffer_access_funcs { * @stufftoread: [INTERN] flag to indicate new data. * @demux_list: [INTERN] list of operations required to demux the scan. * @demux_bounce: [INTERN] buffer for doing gather from incoming scan. - **/ + * @buffer_list: [INTERN] entry in the devices list of current buffers. + */ struct iio_buffer { int length; int bytes_per_datum; @@ -81,9 +82,22 @@ struct iio_buffer { const struct attribute_group *attrs; struct list_head demux_list; unsigned char *demux_bounce; + struct list_head buffer_list; }; /** + * iio_update_buffers() - add or remove buffer from active list + * @indio_dev: device to add buffer to + * @insert_buffer: buffer to insert + * @remove_buffer: buffer_to_remove + * + * Note this will tear down the all buffering and build it up again + */ +int iio_update_buffers(struct iio_dev *indio_dev, + struct iio_buffer *insert_buffer, + struct iio_buffer *remove_buffer); + +/** * iio_buffer_init() - Initialize the buffer structure * @buffer: buffer to be initialized **/ @@ -115,11 +129,11 @@ int iio_scan_mask_set(struct iio_dev *indio_dev, struct iio_buffer *buffer, int bit); /** - * iio_push_to_buffer() - push to a registered buffer. - * @buffer: IIO buffer structure for device - * @data: the data to push to the buffer + * iio_push_to_buffers() - push to a registered buffer. + * @indio_dev: iio_dev structure for device. + * @data: Full scan. */ -int iio_push_to_buffer(struct iio_buffer *buffer, unsigned char *data); +int iio_push_to_buffers(struct iio_dev *indio_dev, unsigned char *data); int iio_update_demux(struct iio_dev *indio_dev); @@ -181,7 +195,7 @@ bool iio_validate_scan_mask_onehot(struct iio_dev *indio_dev, #else /* CONFIG_IIO_BUFFER */ static inline int iio_buffer_register(struct iio_dev *indio_dev, - struct iio_chan_spec *channels, + const struct iio_chan_spec *channels, int num_channels) { return 0; diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h index e875bcf0478f..16c35ac045bd 100644 --- a/include/linux/iio/consumer.h +++ b/include/linux/iio/consumer.h @@ -9,6 +9,8 @@ */ #ifndef _IIO_INKERN_CONSUMER_H_ #define _IIO_INKERN_CONSUMER_H_ + +#include <linux/types.h> #include <linux/iio/types.h> struct iio_dev; @@ -18,10 +20,12 @@ struct iio_chan_spec; * struct iio_channel - everything needed for a consumer to use a channel * @indio_dev: Device on which the channel exists. * @channel: Full description of the channel. + * @data: Data about the channel used by consumer. */ struct iio_channel { struct iio_dev *indio_dev; const struct iio_chan_spec *channel; + void *data; }; /** @@ -59,6 +63,52 @@ struct iio_channel *iio_channel_get_all(const char *name); */ void iio_channel_release_all(struct iio_channel *chan); +struct iio_cb_buffer; +/** + * iio_channel_get_all_cb() - register callback for triggered capture + * @name: Name of client device. + * @cb: Callback function. + * @private: Private data passed to callback. + * + * NB right now we have no ability to mux data from multiple devices. + * So if the channels requested come from different devices this will + * fail. + */ +struct iio_cb_buffer *iio_channel_get_all_cb(const char *name, + int (*cb)(u8 *data, + void *private), + void *private); +/** + * iio_channel_release_all_cb() - release and unregister the callback. + * @cb_buffer: The callback buffer that was allocated. + */ +void iio_channel_release_all_cb(struct iio_cb_buffer *cb_buffer); + +/** + * iio_channel_start_all_cb() - start the flow of data through callback. + * @cb_buff: The callback buffer we are starting. + */ +int iio_channel_start_all_cb(struct iio_cb_buffer *cb_buff); + +/** + * iio_channel_stop_all_cb() - stop the flow of data through the callback. + * @cb_buff: The callback buffer we are stopping. + */ +void iio_channel_stop_all_cb(struct iio_cb_buffer *cb_buff); + +/** + * iio_channel_cb_get_channels() - get access to the underlying channels. + * @cb_buff: The callback buffer from whom we want the channel + * information. + * + * This function allows one to obtain information about the channels. + * Whilst this may allow direct reading if all buffers are disabled, the + * primary aim is to allow drivers that are consuming a channel to query + * things like scaling of the channel. + */ +struct iio_channel +*iio_channel_cb_get_channels(const struct iio_cb_buffer *cb_buffer); + /** * iio_read_channel_raw() - read from a given channel * @chan: The channel being queried. diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 7806c24e5bc8..da8c776ba0bd 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -410,6 +410,7 @@ struct iio_buffer_setup_ops { * and owner * @event_interface: [INTERN] event chrdevs associated with interrupt lines * @buffer: [DRIVER] any buffer present + * @buffer_list: [INTERN] list of all buffers currently attached * @scan_bytes: [INTERN] num bytes captured to be fed to buffer demux * @mlock: [INTERN] lock used to prevent simultaneous device state * changes @@ -448,6 +449,7 @@ struct iio_dev { struct iio_event_interface *event_interface; struct iio_buffer *buffer; + struct list_head buffer_list; int scan_bytes; struct mutex mlock; @@ -618,6 +620,9 @@ static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) }; #endif +int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer, + int *fract); + /** * IIO_DEGREE_TO_RAD() - Convert degree to rad * @deg: A value in degree diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h new file mode 100644 index 000000000000..ff781dca2e9a --- /dev/null +++ b/include/linux/iio/imu/adis.h @@ -0,0 +1,280 @@ +/* + * Common library for ADIS16XXX devices + * + * Copyright 2012 Analog Devices Inc. + * Author: Lars-Peter Clausen <lars@metafoo.de> + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __IIO_ADIS_H__ +#define __IIO_ADIS_H__ + +#include <linux/spi/spi.h> +#include <linux/interrupt.h> +#include <linux/iio/types.h> + +#define ADIS_WRITE_REG(reg) ((0x80 | (reg))) +#define ADIS_READ_REG(reg) ((reg) & 0x7f) + +#define ADIS_PAGE_SIZE 0x80 +#define ADIS_REG_PAGE_ID 0x00 + +struct adis; + +/** + * struct adis_data - ADIS chip variant specific data + * @read_delay: SPI delay for read operations in us + * @write_delay: SPI delay for write operations in us + * @glob_cmd_reg: Register address of the GLOB_CMD register + * @msc_ctrl_reg: Register address of the MSC_CTRL register + * @diag_stat_reg: Register address of the DIAG_STAT register + * @status_error_msgs: Array of error messgaes + * @status_error_mask: + */ +struct adis_data { + unsigned int read_delay; + unsigned int write_delay; + + unsigned int glob_cmd_reg; + unsigned int msc_ctrl_reg; + unsigned int diag_stat_reg; + + unsigned int self_test_mask; + unsigned int startup_delay; + + const char * const *status_error_msgs; + unsigned int status_error_mask; + + int (*enable_irq)(struct adis *adis, bool enable); + + bool has_paging; +}; + +struct adis { + struct spi_device *spi; + struct iio_trigger *trig; + + const struct adis_data *data; + + struct mutex txrx_lock; + struct spi_message msg; + struct spi_transfer *xfer; + unsigned int current_page; + void *buffer; + + uint8_t tx[10] ____cacheline_aligned; + uint8_t rx[4]; +}; + +int adis_init(struct adis *adis, struct iio_dev *indio_dev, + struct spi_device *spi, const struct adis_data *data); +int adis_reset(struct adis *adis); + +int adis_write_reg(struct adis *adis, unsigned int reg, + unsigned int val, unsigned int size); +int adis_read_reg(struct adis *adis, unsigned int reg, + unsigned int *val, unsigned int size); + +/** + * adis_write_reg_8() - Write single byte to a register + * @adis: The adis device + * @reg: The address of the register to be written + * @value: The value to write + */ +static inline int adis_write_reg_8(struct adis *adis, unsigned int reg, + uint8_t val) +{ + return adis_write_reg(adis, reg, val, 1); +} + +/** + * adis_write_reg_16() - Write 2 bytes to a pair of registers + * @adis: The adis device + * @reg: The address of the lower of the two registers + * @value: Value to be written + */ +static inline int adis_write_reg_16(struct adis *adis, unsigned int reg, + uint16_t val) +{ + return adis_write_reg(adis, reg, val, 2); +} + +/** + * adis_write_reg_32() - write 4 bytes to four registers + * @adis: The adis device + * @reg: The address of the lower of the four register + * @value: Value to be written + */ +static inline int adis_write_reg_32(struct adis *adis, unsigned int reg, + uint32_t val) +{ + return adis_write_reg(adis, reg, val, 4); +} + +/** + * adis_read_reg_16() - read 2 bytes from a 16-bit register + * @adis: The adis device + * @reg: The address of the lower of the two registers + * @val: The value read back from the device + */ +static inline int adis_read_reg_16(struct adis *adis, unsigned int reg, + uint16_t *val) +{ + unsigned int tmp; + int ret; + + ret = adis_read_reg(adis, reg, &tmp, 2); + *val = tmp; + + return ret; +} + +/** + * adis_read_reg_32() - read 4 bytes from a 32-bit register + * @adis: The adis device + * @reg: The address of the lower of the two registers + * @val: The value read back from the device + */ +static inline int adis_read_reg_32(struct adis *adis, unsigned int reg, + uint32_t *val) +{ + unsigned int tmp; + int ret; + + ret = adis_read_reg(adis, reg, &tmp, 4); + *val = tmp; + + return ret; +} + +int adis_enable_irq(struct adis *adis, bool enable); +int adis_check_status(struct adis *adis); + +int adis_initial_startup(struct adis *adis); + +int adis_single_conversion(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, unsigned int error_mask, + int *val); + +#define ADIS_VOLTAGE_CHAN(addr, si, chan, name, bits) { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = (chan), \ + .extend_name = name, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .address = (addr), \ + .scan_index = (si), \ + .scan_type = { \ + .sign = 'u', \ + .realbits = (bits), \ + .storagebits = 16, \ + .endianness = IIO_BE, \ + }, \ +} + +#define ADIS_SUPPLY_CHAN(addr, si, bits) \ + ADIS_VOLTAGE_CHAN(addr, si, 0, "supply", bits) + +#define ADIS_AUX_ADC_CHAN(addr, si, bits) \ + ADIS_VOLTAGE_CHAN(addr, si, 1, NULL, bits) + +#define ADIS_TEMP_CHAN(addr, si, bits) { \ + .type = IIO_TEMP, \ + .indexed = 1, \ + .channel = 0, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, \ + .address = (addr), \ + .scan_index = (si), \ + .scan_type = { \ + .sign = 'u', \ + .realbits = (bits), \ + .storagebits = 16, \ + .endianness = IIO_BE, \ + }, \ +} + +#define ADIS_MOD_CHAN(_type, mod, addr, si, info, bits) { \ + .type = (_type), \ + .modified = 1, \ + .channel2 = IIO_MOD_ ## mod, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT | \ + info, \ + .address = (addr), \ + .scan_index = (si), \ + .scan_type = { \ + .sign = 's', \ + .realbits = (bits), \ + .storagebits = 16, \ + .endianness = IIO_BE, \ + }, \ +} + +#define ADIS_ACCEL_CHAN(mod, addr, si, info, bits) \ + ADIS_MOD_CHAN(IIO_ACCEL, mod, addr, si, info, bits) + +#define ADIS_GYRO_CHAN(mod, addr, si, info, bits) \ + ADIS_MOD_CHAN(IIO_ANGL_VEL, mod, addr, si, info, bits) + +#define ADIS_INCLI_CHAN(mod, addr, si, info, bits) \ + ADIS_MOD_CHAN(IIO_INCLI, mod, addr, si, info, bits) + +#define ADIS_ROT_CHAN(mod, addr, si, info, bits) \ + ADIS_MOD_CHAN(IIO_ROT, mod, addr, si, info, bits) + +#ifdef CONFIG_IIO_ADIS_LIB_BUFFER + +int adis_setup_buffer_and_trigger(struct adis *adis, + struct iio_dev *indio_dev, irqreturn_t (*trigger_handler)(int, void *)); +void adis_cleanup_buffer_and_trigger(struct adis *adis, + struct iio_dev *indio_dev); + +int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev); +void adis_remove_trigger(struct adis *adis); + +int adis_update_scan_mode(struct iio_dev *indio_dev, + const unsigned long *scan_mask); + +#else /* CONFIG_IIO_BUFFER */ + +static inline int adis_setup_buffer_and_trigger(struct adis *adis, + struct iio_dev *indio_dev, irqreturn_t (*trigger_handler)(int, void *)) +{ + return 0; +} + +static inline void adis_cleanup_buffer_and_trigger(struct adis *adis, + struct iio_dev *indio_dev) +{ +} + +static inline int adis_probe_trigger(struct adis *adis, + struct iio_dev *indio_dev) +{ + return 0; +} + +static inline void adis_remove_trigger(struct adis *adis) +{ +} + +#define adis_update_scan_mode NULL + +#endif /* CONFIG_IIO_BUFFER */ + +#ifdef CONFIG_DEBUG_FS + +int adis_debugfs_reg_access(struct iio_dev *indio_dev, + unsigned int reg, unsigned int writeval, unsigned int *readval); + +#else + +#define adis_debugfs_reg_access NULL + +#endif + +#endif diff --git a/include/linux/iio/machine.h b/include/linux/iio/machine.h index 809a3f08d5a5..1601a2a63a72 100644 --- a/include/linux/iio/machine.h +++ b/include/linux/iio/machine.h @@ -19,11 +19,13 @@ * @consumer_dev_name: Name to uniquely identify the consumer device. * @consumer_channel: Unique name used to identify the channel on the * consumer side. + * @consumer_data: Data about the channel for use by the consumer driver. */ struct iio_map { const char *adc_channel_label; const char *consumer_dev_name; const char *consumer_channel; + void *consumer_data; }; #endif diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 5c647ecfd5ba..88bf0f0d27b4 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -28,6 +28,7 @@ enum iio_chan_type { IIO_CAPACITANCE, IIO_ALTVOLTAGE, IIO_CCT, + IIO_PRESSURE, }; enum iio_modifier { @@ -58,5 +59,6 @@ enum iio_modifier { #define IIO_VAL_INT_PLUS_NANO 3 #define IIO_VAL_INT_PLUS_MICRO_DB 4 #define IIO_VAL_FRACTIONAL 10 +#define IIO_VAL_FRACTIONAL_LOG2 11 #endif /* _IIO_TYPES_H_ */ diff --git a/include/linux/ipack.h b/include/linux/ipack.h new file mode 100644 index 000000000000..fea12cbb2aeb --- /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) diff --git a/include/linux/platform_data/ad5449.h b/include/linux/platform_data/ad5449.h new file mode 100644 index 000000000000..bd712bd4b94e --- /dev/null +++ b/include/linux/platform_data/ad5449.h @@ -0,0 +1,40 @@ +/* + * AD5415, AD5426, AD5429, AD5432, AD5439, AD5443, AD5449 Digital to Analog + * Converter driver. + * + * Copyright 2012 Analog Devices Inc. + * Author: Lars-Peter Clausen <lars@metafoo.de> + * + * Licensed under the GPL-2. + */ + +#ifndef __LINUX_PLATFORM_DATA_AD5449_H__ +#define __LINUX_PLATFORM_DATA_AD5449_H__ + +/** + * enum ad5449_sdo_mode - AD5449 SDO pin configuration + * @AD5449_SDO_DRIVE_FULL: Drive the SDO pin with full strength. + * @AD5449_SDO_DRIVE_WEAK: Drive the SDO pin with not full strength. + * @AD5449_SDO_OPEN_DRAIN: Operate the SDO pin in open-drain mode. + * @AD5449_SDO_DISABLED: Disable the SDO pin, in this mode it is not possible to + * read back from the device. + */ +enum ad5449_sdo_mode { + AD5449_SDO_DRIVE_FULL = 0x0, + AD5449_SDO_DRIVE_WEAK = 0x1, + AD5449_SDO_OPEN_DRAIN = 0x2, + AD5449_SDO_DISABLED = 0x3, +}; + +/** + * struct ad5449_platform_data - Platform data for the ad5449 DAC driver + * @sdo_mode: SDO pin mode + * @hardware_clear_to_midscale: Whether asserting the hardware CLR pin sets the + * outputs to midscale (true) or to zero scale(false). + */ +struct ad5449_platform_data { + enum ad5449_sdo_mode sdo_mode; + bool hardware_clear_to_midscale; +}; + +#endif diff --git a/include/linux/platform_data/ad7298.h b/include/linux/platform_data/ad7298.h new file mode 100644 index 000000000000..fbf8adf1363a --- /dev/null +++ b/include/linux/platform_data/ad7298.h @@ -0,0 +1,20 @@ +/* + * AD7298 SPI ADC driver + * + * Copyright 2011 Analog Devices Inc. + * + * Licensed under the GPL-2. + */ + +#ifndef __LINUX_PLATFORM_DATA_AD7298_H__ +#define __LINUX_PLATFORM_DATA_AD7298_H__ + +/** + * struct ad7298_platform_data - Platform data for the ad7298 ADC driver + * @ext_ref: Whether to use an external reference voltage. + **/ +struct ad7298_platform_data { + bool ext_ref; +}; + +#endif /* IIO_ADC_AD7298_H_ */ diff --git a/include/linux/platform_data/ad7793.h b/include/linux/platform_data/ad7793.h new file mode 100644 index 000000000000..7ea6751aae6d --- /dev/null +++ b/include/linux/platform_data/ad7793.h @@ -0,0 +1,112 @@ +/* + * AD7792/AD7793 SPI ADC driver + * + * Copyright 2011 Analog Devices Inc. + * + * Licensed under the GPL-2. + */ +#ifndef __LINUX_PLATFORM_DATA_AD7793_H__ +#define __LINUX_PLATFORM_DATA_AD7793_H__ + +/** + * enum ad7793_clock_source - AD7793 clock source selection + * @AD7793_CLK_SRC_INT: Internal 64 kHz clock, not available at the CLK pin. + * @AD7793_CLK_SRC_INT_CO: Internal 64 kHz clock, available at the CLK pin. + * @AD7793_CLK_SRC_EXT: Use external clock. + * @AD7793_CLK_SRC_EXT_DIV2: Use external clock divided by 2. + */ +enum ad7793_clock_source { + AD7793_CLK_SRC_INT, + AD7793_CLK_SRC_INT_CO, + AD7793_CLK_SRC_EXT, + AD7793_CLK_SRC_EXT_DIV2, +}; + +/** + * enum ad7793_bias_voltage - AD7793 bias voltage selection + * @AD7793_BIAS_VOLTAGE_DISABLED: Bias voltage generator disabled + * @AD7793_BIAS_VOLTAGE_AIN1: Bias voltage connected to AIN1(-). + * @AD7793_BIAS_VOLTAGE_AIN2: Bias voltage connected to AIN2(-). + * @AD7793_BIAS_VOLTAGE_AIN3: Bias voltage connected to AIN3(-). + * Only valid for AD7795/AD7796. + */ +enum ad7793_bias_voltage { + AD7793_BIAS_VOLTAGE_DISABLED, + AD7793_BIAS_VOLTAGE_AIN1, + AD7793_BIAS_VOLTAGE_AIN2, + AD7793_BIAS_VOLTAGE_AIN3, +}; + +/** + * enum ad7793_refsel - AD7793 reference voltage selection + * @AD7793_REFSEL_REFIN1: External reference applied between REFIN1(+) + * and REFIN1(-). + * @AD7793_REFSEL_REFIN2: External reference applied between REFIN2(+) and + * and REFIN1(-). Only valid for AD7795/AD7796. + * @AD7793_REFSEL_INTERNAL: Internal 1.17 V reference. + */ +enum ad7793_refsel { + AD7793_REFSEL_REFIN1 = 0, + AD7793_REFSEL_REFIN2 = 1, + AD7793_REFSEL_INTERNAL = 2, +}; + +/** + * enum ad7793_current_source_direction - AD7793 excitation current direction + * @AD7793_IEXEC1_IOUT1_IEXEC2_IOUT2: Current source IEXC1 connected to pin + * IOUT1, current source IEXC2 connected to pin IOUT2. + * @AD7793_IEXEC1_IOUT2_IEXEC2_IOUT1: Current source IEXC2 connected to pin + * IOUT1, current source IEXC1 connected to pin IOUT2. + * @AD7793_IEXEC1_IEXEC2_IOUT1: Both current sources connected to pin IOUT1. + * Only valid when the current sources are set to 10 uA or 210 uA. + * @AD7793_IEXEC1_IEXEC2_IOUT2: Both current sources connected to Pin IOUT2. + * Only valid when the current ources are set to 10 uA or 210 uA. + */ +enum ad7793_current_source_direction { + AD7793_IEXEC1_IOUT1_IEXEC2_IOUT2 = 0, + AD7793_IEXEC1_IOUT2_IEXEC2_IOUT1 = 1, + AD7793_IEXEC1_IEXEC2_IOUT1 = 2, + AD7793_IEXEC1_IEXEC2_IOUT2 = 3, +}; + +/** + * enum ad7793_excitation_current - AD7793 excitation current selection + * @AD7793_IX_DISABLED: Excitation current Disabled. + * @AD7793_IX_10uA: Enable 10 micro-ampere excitation current. + * @AD7793_IX_210uA: Enable 210 micro-ampere excitation current. + * @AD7793_IX_1mA: Enable 1 milli-Ampere excitation current. + */ +enum ad7793_excitation_current { + AD7793_IX_DISABLED = 0, + AD7793_IX_10uA = 1, + AD7793_IX_210uA = 2, + AD7793_IX_1mA = 3, +}; + +/** + * struct ad7793_platform_data - AD7793 platform data + * @clock_src: Clock source selection + * @burnout_current: If set to true the 100nA burnout current is enabled. + * @boost_enable: Enable boost for the bias voltage generator. + * @buffered: If set to true configure the device for buffered input mode. + * @unipolar: If set to true sample in unipolar mode, if set to false sample in + * bipolar mode. + * @refsel: Reference voltage selection + * @bias_voltage: Bias voltage selection + * @exitation_current: Excitation current selection + * @current_source_direction: Excitation current direction selection + */ +struct ad7793_platform_data { + enum ad7793_clock_source clock_src; + bool burnout_current; + bool boost_enable; + bool buffered; + bool unipolar; + + enum ad7793_refsel refsel; + enum ad7793_bias_voltage bias_voltage; + enum ad7793_excitation_current exitation_current; + enum ad7793_current_source_direction current_source_direction; +}; + +#endif /* IIO_ADC_AD7793_H_ */ diff --git a/include/linux/platform_data/ad7887.h b/include/linux/platform_data/ad7887.h new file mode 100644 index 000000000000..1e06eac3174d --- /dev/null +++ b/include/linux/platform_data/ad7887.h @@ -0,0 +1,26 @@ +/* + * AD7887 SPI ADC driver + * + * Copyright 2010 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ +#ifndef IIO_ADC_AD7887_H_ +#define IIO_ADC_AD7887_H_ + +/** + * struct ad7887_platform_data - AD7887 ADC driver platform data + * @en_dual: Whether to use dual channel mode. If set to true AIN1 becomes the + * second input channel, and Vref is internally connected to Vdd. If set to + * false the device is used in single channel mode and AIN1/Vref is used as + * VREF input. + * @use_onchip_ref: Whether to use the onchip reference. If set to true the + * internal 2.5V reference is used. If set to false a external reference is + * used. + */ +struct ad7887_platform_data { + bool en_dual; + bool use_onchip_ref; +}; + +#endif /* IIO_ADC_AD7887_H_ */ diff --git a/include/linux/platform_data/omap_drm.h b/include/linux/platform_data/omap_drm.h index 3da73bdc2031..f4e4a237ebd2 100644 --- a/include/linux/platform_data/omap_drm.h +++ b/include/linux/platform_data/omap_drm.h @@ -46,6 +46,7 @@ struct omap_kms_platform_data { }; struct omap_drm_platform_data { + uint32_t omaprev; struct omap_kms_platform_data *kms_pdata; }; |