mirror of https://gitee.com/openkylin/linux.git
193 lines
4.5 KiB
C
193 lines
4.5 KiB
C
/*
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* Line 6 Pod HD
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*
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* Copyright (C) 2011 Stefan Hajnoczi <stefanha@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#include <linux/usb.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include "driver.h"
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#include "pcm.h"
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enum {
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LINE6_PODHD300,
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LINE6_PODHD400,
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LINE6_PODHD500_0,
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LINE6_PODHD500_1,
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};
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#define PODHD_BYTES_PER_FRAME 6 /* 24bit audio (stereo) */
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static struct snd_ratden podhd_ratden = {
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.num_min = 48000,
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.num_max = 48000,
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.num_step = 1,
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.den = 1,
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};
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static struct line6_pcm_properties podhd_pcm_properties = {
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.playback_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.capture_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.rates = {
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.nrats = 1,
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.rats = &podhd_ratden},
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.bytes_per_frame = PODHD_BYTES_PER_FRAME
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};
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/*
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Try to init POD HD device.
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*/
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static int podhd_init(struct usb_line6 *line6,
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const struct usb_device_id *id)
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{
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int err;
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/* initialize MIDI subsystem: */
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err = line6_init_midi(line6);
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if (err < 0)
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return err;
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/* initialize PCM subsystem: */
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err = line6_init_pcm(line6, &podhd_pcm_properties);
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if (err < 0)
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return err;
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/* register USB audio system: */
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return snd_card_register(line6->card);
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}
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#define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod)
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#define LINE6_IF_NUM(prod, n) USB_DEVICE_INTERFACE_NUMBER(0x0e41, prod, n)
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/* table of devices that work with this driver */
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static const struct usb_device_id podhd_id_table[] = {
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{ LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 },
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{ LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 },
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{ LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500_0 },
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{ LINE6_IF_NUM(0x414D, 1), .driver_info = LINE6_PODHD500_1 },
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{}
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};
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MODULE_DEVICE_TABLE(usb, podhd_id_table);
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static const struct line6_properties podhd_properties_table[] = {
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[LINE6_PODHD300] = {
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.id = "PODHD300",
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.name = "POD HD300",
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.capabilities = LINE6_CAP_CONTROL
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| LINE6_CAP_PCM
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| LINE6_CAP_HWMON,
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.altsetting = 5,
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.ep_ctrl_r = 0x84,
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.ep_ctrl_w = 0x03,
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.ep_audio_r = 0x82,
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.ep_audio_w = 0x01,
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},
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[LINE6_PODHD400] = {
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.id = "PODHD400",
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.name = "POD HD400",
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.capabilities = LINE6_CAP_CONTROL
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| LINE6_CAP_PCM
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| LINE6_CAP_HWMON,
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.altsetting = 5,
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.ep_ctrl_r = 0x84,
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.ep_ctrl_w = 0x03,
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.ep_audio_r = 0x82,
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.ep_audio_w = 0x01,
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},
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[LINE6_PODHD500_0] = {
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.id = "PODHD500",
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.name = "POD HD500",
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.capabilities = LINE6_CAP_CONTROL
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| LINE6_CAP_PCM
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| LINE6_CAP_HWMON,
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.altsetting = 1,
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.ep_ctrl_r = 0x81,
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.ep_ctrl_w = 0x01,
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.ep_audio_r = 0x86,
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.ep_audio_w = 0x02,
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},
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[LINE6_PODHD500_1] = {
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.id = "PODHD500",
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.name = "POD HD500",
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.capabilities = LINE6_CAP_CONTROL
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| LINE6_CAP_PCM
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| LINE6_CAP_HWMON,
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.altsetting = 1,
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.ep_ctrl_r = 0x81,
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.ep_ctrl_w = 0x01,
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.ep_audio_r = 0x86,
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.ep_audio_w = 0x02,
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},
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};
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/*
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Probe USB device.
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*/
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static int podhd_probe(struct usb_interface *interface,
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const struct usb_device_id *id)
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{
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return line6_probe(interface, id, "Line6-PODHD",
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&podhd_properties_table[id->driver_info],
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podhd_init, sizeof(struct usb_line6));
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}
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static struct usb_driver podhd_driver = {
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.name = KBUILD_MODNAME,
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.probe = podhd_probe,
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.disconnect = line6_disconnect,
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#ifdef CONFIG_PM
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.suspend = line6_suspend,
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.resume = line6_resume,
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.reset_resume = line6_resume,
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#endif
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.id_table = podhd_id_table,
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};
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module_usb_driver(podhd_driver);
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MODULE_DESCRIPTION("Line 6 PODHD USB driver");
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MODULE_LICENSE("GPL");
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