msm_usf.txt

include <asm/ioctl.h>
include <../include/linux/qdsp6v2/usf.h>

resource fd_usfdev[fd]

syz_open_dev$usfdev(dev ptr[in, string["/dev/usf#"]], id intptr, flags flags[open_flags]) fd_usfdev

ioctl$US_SET_TX_INFO(fd fd_usfdev, cmd const[US_SET_TX_INFO], arg ptr[in, us_tx_info_type])
ioctl$US_START_TX(fd fd_usfdev, cmd const[US_START_TX], arg const[0])
ioctl$US_GET_TX_UPDATE(fd fd_usfdev, cmd const[US_GET_TX_UPDATE], arg ptr[inout, us_tx_update_info_type])
ioctl$US_SET_RX_INFO(fd fd_usfdev, cmd const[US_SET_RX_INFO], arg ptr[in, us_rx_info_type])
ioctl$US_SET_RX_UPDATE(fd fd_usfdev, cmd const[US_SET_RX_UPDATE], arg ptr[inout, us_rx_update_info_type])
ioctl$US_START_RX(fd fd_usfdev, cmd const[US_START_RX], arg const[0])
ioctl$US_STOP_TX(fd fd_usfdev, cmd const[US_STOP_TX], arg const[0])
ioctl$US_STOP_RX(fd fd_usfdev, cmd const[US_STOP_RX], arg const[0])
ioctl$US_GET_VERSION(fd fd_usfdev, cmd const[US_GET_VERSION], arg ptr[inout, us_version_info_type])
ioctl$US_SET_TX_STREAM_PARAM(fd fd_usfdev, cmd const[US_SET_TX_STREAM_PARAM], arg ptr[in, us_stream_param_type])
ioctl$US_GET_TX_STREAM_PARAM(fd fd_usfdev, cmd const[US_GET_TX_STREAM_PARAM], arg ptr[inout, us_stream_param_type])
ioctl$US_SET_RX_STREAM_PARAM(fd fd_usfdev, cmd const[US_SET_RX_STREAM_PARAM], arg ptr[in, us_stream_param_type])
ioctl$US_GET_RX_STREAM_PARAM(fd fd_usfdev, cmd const[US_GET_RX_STREAM_PARAM], arg ptr[inout, us_stream_param_type])



us_tx_info_type {
    us_xx_info us_xx_info_type
    input_info us_input_info_type
}

us_xx_info_type {
    client_name ptr[in, int8]
    dev_id int32
    stream_format int32
    sample_rate int32
    buf_size int32
    buf_num int16
    port_cnt int16
    port_id array[int8, 8]
    bits_per_sample int16
    params_data_size int16
    params_data ptr[in, int8]
    max_get_set_param_buf_size int32
}

us_input_info_type {
    tsc_x_dim array[int32, 2]
    tsc_y_dim array[int32, 2]
    tsc_z_dim array[int32, 2]
    tsc_x_tilt array[int32, 2]
    tsc_y_tilt array[int32, 2]
    tsc_pressure array[int32, 2]
    req_buttons_bitmap int16
    event_types int16
    conflicting_event_types int16
}

us_tx_update_info_type {
    event_counter int16
    event ptr[inout, usf_event_type]
    free_region int32
    timeout flags[us_timeout_flags, int32]
    event_filters int16
    params_data_size int16
    params_data ptr[in, int8]
    ready_region int32
}

usf_event_type {
    seq_num int32
    timestamp int32
    event_type_ind int16
    event_data usf_event_type_union
}

usf_event_type_union [
    point_event point_event_type
    mouse_event mouse_event_type
    key_event key_event_type
]

point_event_type {
    coordinates array[int32, 3]
    inclinations array[int32, 2]
    pressure int32:10
    buttons_state_bitmap flags[usf_point_event, int16]
}

mouse_event_type {
    rels array[int32, 3]
    buttons_states flags[usf_point_event, int16]
}

key_event_type {
    key int32
    key_state flags[usf_point_event, int8]
}


us_rx_info_type {
    us_xx_info us_xx_info_type
}


us_rx_update_info_type {
    ready_region int32
    params_data_size int16
    params_data ptr[in, int8]
    free_region int32
}

us_version_info_type {
    buf_size int16
    pbuf ptr[inout, int8]
}


us_stream_param_type {
    module_id int32
    param_id int32
    buf_size int32
    pbuf ptr[inout, int8]
}

define USF_NO_WAIT_TIMEOUT 0x00000000
define USF_INFINITIVE_TIMEOUT 0xffffffff
define USF_DEFAULT_TIMEOUT 0xfffffffe

us_timeout_flags = USF_NO_WAIT_TIMEOUT, USF_INFINITIVE_TIMEOUT, USF_DEFAULT_TIMEOUT
usf_point_event = 0, 1