299 lines
8.7 KiB
C
299 lines
8.7 KiB
C
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/* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __USF_H__
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#define __USF_H__
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#include <linux/types.h>
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#include <linux/ioctl.h>
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#define USF_IOCTL_MAGIC 'U'
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#define US_SET_TX_INFO _IOW(USF_IOCTL_MAGIC, 0, \
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struct us_tx_info_type)
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#define US_START_TX _IO(USF_IOCTL_MAGIC, 1)
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#define US_GET_TX_UPDATE _IOWR(USF_IOCTL_MAGIC, 2, \
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struct us_tx_update_info_type)
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#define US_SET_RX_INFO _IOW(USF_IOCTL_MAGIC, 3, \
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struct us_rx_info_type)
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#define US_SET_RX_UPDATE _IOWR(USF_IOCTL_MAGIC, 4, \
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struct us_rx_update_info_type)
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#define US_START_RX _IO(USF_IOCTL_MAGIC, 5)
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#define US_STOP_TX _IO(USF_IOCTL_MAGIC, 6)
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#define US_STOP_RX _IO(USF_IOCTL_MAGIC, 7)
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#define US_SET_DETECTION _IOWR(USF_IOCTL_MAGIC, 8, \
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struct us_detect_info_type)
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#define US_GET_VERSION _IOWR(USF_IOCTL_MAGIC, 9, \
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struct us_version_info_type)
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#define US_SET_TX_STREAM_PARAM _IOW(USF_IOCTL_MAGIC, 10, \
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struct us_stream_param_type)
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#define US_GET_TX_STREAM_PARAM _IOWR(USF_IOCTL_MAGIC, 11, \
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struct us_stream_param_type)
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#define US_SET_RX_STREAM_PARAM _IOW(USF_IOCTL_MAGIC, 12, \
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struct us_stream_param_type)
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#define US_GET_RX_STREAM_PARAM _IOWR(USF_IOCTL_MAGIC, 13, \
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struct us_stream_param_type)
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/* Special timeout values */
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#define USF_NO_WAIT_TIMEOUT 0x00000000
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/* Infinitive */
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#define USF_INFINITIVE_TIMEOUT 0xffffffff
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/* Default value, used by the driver */
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#define USF_DEFAULT_TIMEOUT 0xfffffffe
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/* US detection place (HW|FW) */
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enum us_detect_place_enum {
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/* US is detected in HW */
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US_DETECT_HW,
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/* US is detected in FW */
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US_DETECT_FW
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};
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/* US detection mode */
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enum us_detect_mode_enum {
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/* US detection is disabled */
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US_DETECT_DISABLED_MODE,
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/* US detection is enabled in continue mode */
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US_DETECT_CONTINUE_MODE,
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/* US detection is enabled in one shot mode */
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US_DETECT_SHOT_MODE
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};
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/* Encoder (TX), decoder (RX) supported US data formats */
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#define USF_POINT_EPOS_FORMAT 0
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#define USF_RAW_FORMAT 1
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/* Indexes of event types, produced by the calculators */
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#define USF_TSC_EVENT_IND 0
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#define USF_TSC_PTR_EVENT_IND 1
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#define USF_MOUSE_EVENT_IND 2
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#define USF_KEYBOARD_EVENT_IND 3
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#define USF_TSC_EXT_EVENT_IND 4
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#define USF_MAX_EVENT_IND 5
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/* Types of events, produced by the calculators */
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#define USF_NO_EVENT 0
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#define USF_TSC_EVENT (1 << USF_TSC_EVENT_IND)
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#define USF_TSC_PTR_EVENT (1 << USF_TSC_PTR_EVENT_IND)
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#define USF_MOUSE_EVENT (1 << USF_MOUSE_EVENT_IND)
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#define USF_KEYBOARD_EVENT (1 << USF_KEYBOARD_EVENT_IND)
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#define USF_TSC_EXT_EVENT (1 << USF_TSC_EXT_EVENT_IND)
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#define USF_ALL_EVENTS (USF_TSC_EVENT |\
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USF_TSC_PTR_EVENT |\
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USF_MOUSE_EVENT |\
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USF_KEYBOARD_EVENT |\
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USF_TSC_EXT_EVENT)
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/* min, max array dimension */
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#define MIN_MAX_DIM 2
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/* coordinates (x,y,z) array dimension */
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#define COORDINATES_DIM 3
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/* tilts (x,y) array dimension */
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#define TILTS_DIM 2
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/* Max size of the client name */
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#define USF_MAX_CLIENT_NAME_SIZE 20
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/* Max number of the ports (mics/speakers) */
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#define USF_MAX_PORT_NUM 8
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/* Info structure common for TX and RX */
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struct us_xx_info_type {
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/* Input: general info */
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/* Name of the client - event calculator */
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const char __user *client_name;
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/* Selected device identification, accepted in the kernel's CAD */
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uint32_t dev_id;
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/* 0 - point_epos type; (e.g. 1 - gr_mmrd) */
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uint32_t stream_format;
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/* Required sample rate in Hz */
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uint32_t sample_rate;
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/* Size of a buffer (bytes) for US data transfer between the module and USF */
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uint32_t buf_size;
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/* Number of the buffers for the US data transfer */
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uint16_t buf_num;
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/* Number of the microphones (TX) or speakers(RX) */
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uint16_t port_cnt;
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/* Microphones(TX) or speakers(RX) indexes in their enumeration */
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uint8_t port_id[USF_MAX_PORT_NUM];
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/* Bits per sample 16 or 32 */
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uint16_t bits_per_sample;
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/* Input: Transparent info for encoder in the LPASS */
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/* Parameters data size in bytes */
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uint16_t params_data_size;
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/* Pointer to the parameters */
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uint8_t __user *params_data;
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/* Max size of buffer for get and set parameter */
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uint32_t max_get_set_param_buf_size;
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};
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struct us_input_info_type {
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/* Touch screen dimensions: min & max;for input module */
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int tsc_x_dim[MIN_MAX_DIM];
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int tsc_y_dim[MIN_MAX_DIM];
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int tsc_z_dim[MIN_MAX_DIM];
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/* Touch screen tilt dimensions: min & max;for input module */
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int tsc_x_tilt[MIN_MAX_DIM];
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int tsc_y_tilt[MIN_MAX_DIM];
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/* Touch screen pressure limits: min & max; for input module */
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int tsc_pressure[MIN_MAX_DIM];
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/* The requested buttons bitmap */
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uint16_t req_buttons_bitmap;
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/* Bitmap of types of events (USF_X_EVENT), produced by calculator */
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uint16_t event_types;
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/* Bitmap of types of events from devs, conflicting with USF */
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uint16_t conflicting_event_types;
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};
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struct us_tx_info_type {
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/* Common info */
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struct us_xx_info_type us_xx_info;
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/* Info specific for TX*/
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struct us_input_info_type input_info;
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};
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struct us_rx_info_type {
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/* Common info */
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struct us_xx_info_type us_xx_info;
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/* Info specific for RX*/
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};
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struct point_event_type {
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/* Pen coordinates (x, y, z) in units, defined by <coordinates_type> */
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int coordinates[COORDINATES_DIM];
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/* {x;y} in transparent units */
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int inclinations[TILTS_DIM];
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/* [0-1023] (10bits); 0 - pen up */
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uint32_t pressure;
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/* Bitmap for button state. 1 - down, 0 - up */
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uint16_t buttons_state_bitmap;
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};
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/* Mouse buttons, supported by USF */
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#define USF_BUTTON_LEFT_MASK 1
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#define USF_BUTTON_MIDDLE_MASK 2
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#define USF_BUTTON_RIGHT_MASK 4
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struct mouse_event_type {
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/* The mouse relative movement (dX, dY, dZ) */
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int rels[COORDINATES_DIM];
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/* Bitmap of mouse buttons states: 1 - down, 0 - up; */
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uint16_t buttons_states;
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};
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struct key_event_type {
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/* Calculated MS key- see input.h. */
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uint32_t key;
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/* Keyboard's key state: 1 - down, 0 - up; */
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uint8_t key_state;
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};
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struct usf_event_type {
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/* Event sequence number */
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uint32_t seq_num;
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/* Event generation system time */
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uint32_t timestamp;
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/* Destination input event type index (e.g. touch screen, mouse, key) */
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uint16_t event_type_ind;
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union {
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struct point_event_type point_event;
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struct mouse_event_type mouse_event;
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struct key_event_type key_event;
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} event_data;
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};
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struct us_tx_update_info_type {
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/* Input general: */
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/* Number of calculated events */
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uint16_t event_counter;
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/* Calculated events or NULL */
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struct usf_event_type __user *event;
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/* Pointer (read index) to the end of available region */
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/* in the shared US data memory */
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uint32_t free_region;
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/* Time (sec) to wait for data or special values: */
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/* USF_NO_WAIT_TIMEOUT, USF_INFINITIVE_TIMEOUT, USF_DEFAULT_TIMEOUT */
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uint32_t timeout;
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/* Events (from conflicting devs) to be disabled/enabled */
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uint16_t event_filters;
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/* Input transparent data: */
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/* Parameters size */
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uint16_t params_data_size;
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/* Pointer to the parameters */
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uint8_t __user *params_data;
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/* Output parameters: */
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/* Pointer (write index) to the end of ready US data region */
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/* in the shared memory */
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uint32_t ready_region;
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};
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struct us_rx_update_info_type {
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/* Input general: */
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/* Pointer (write index) to the end of ready US data region */
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/* in the shared memory */
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uint32_t ready_region;
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/* Input transparent data: */
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/* Parameters size */
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uint16_t params_data_size;
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/* pPointer to the parameters */
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uint8_t __user *params_data;
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/* Output parameters: */
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/* Pointer (read index) to the end of available region */
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/* in the shared US data memory */
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uint32_t free_region;
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};
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struct us_detect_info_type {
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/* US detection place (HW|FW) */
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/* NA in the Active and OFF states */
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enum us_detect_place_enum us_detector;
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/* US detection mode */
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enum us_detect_mode_enum us_detect_mode;
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/* US data dropped during this time (msec) */
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uint32_t skip_time;
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/* Transparent data size */
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uint16_t params_data_size;
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/* Pointer to the transparent data */
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uint8_t __user *params_data;
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/* Time (sec) to wait for US presence event */
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uint32_t detect_timeout;
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/* Out parameter: US presence */
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bool is_us;
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};
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struct us_version_info_type {
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/* Size of memory for the version string */
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uint16_t buf_size;
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/* Pointer to the memory for the version string */
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char __user *pbuf;
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};
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struct us_stream_param_type {
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/* Id of module */
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uint32_t module_id;
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/* Id of parameter */
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uint32_t param_id;
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/* Size of memory of the parameter buffer */
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uint32_t buf_size;
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/* Pointer to the memory of the parameter buffer */
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uint8_t __user *pbuf;
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};
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#endif /* __USF_H__ */
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