mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-20 03:04:01 +08:00
8a3b7c086a
The interface and driver objects are always set when callbacks are called. Drop such superfluous NULL checks in init and disconnect calls of each driver. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
206 lines
4.7 KiB
C
206 lines
4.7 KiB
C
/*
|
|
* Line 6 Pod HD
|
|
*
|
|
* Copyright (C) 2011 Stefan Hajnoczi <stefanha@gmail.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.
|
|
*
|
|
*/
|
|
|
|
#include <linux/usb.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/module.h>
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
|
|
#include "driver.h"
|
|
#include "pcm.h"
|
|
#include "usbdefs.h"
|
|
|
|
enum {
|
|
LINE6_PODHD300,
|
|
LINE6_PODHD400,
|
|
LINE6_PODHD500_0,
|
|
LINE6_PODHD500_1,
|
|
};
|
|
|
|
struct usb_line6_podhd {
|
|
/**
|
|
Generic Line 6 USB data.
|
|
*/
|
|
struct usb_line6 line6;
|
|
};
|
|
|
|
#define PODHD_BYTES_PER_FRAME 6 /* 24bit audio (stereo) */
|
|
|
|
static struct snd_ratden podhd_ratden = {
|
|
.num_min = 48000,
|
|
.num_max = 48000,
|
|
.num_step = 1,
|
|
.den = 1,
|
|
};
|
|
|
|
static struct line6_pcm_properties podhd_pcm_properties = {
|
|
.snd_line6_playback_hw = {
|
|
.info = (SNDRV_PCM_INFO_MMAP |
|
|
SNDRV_PCM_INFO_INTERLEAVED |
|
|
SNDRV_PCM_INFO_BLOCK_TRANSFER |
|
|
SNDRV_PCM_INFO_MMAP_VALID |
|
|
SNDRV_PCM_INFO_PAUSE |
|
|
SNDRV_PCM_INFO_SYNC_START),
|
|
.formats = SNDRV_PCM_FMTBIT_S24_3LE,
|
|
.rates = SNDRV_PCM_RATE_48000,
|
|
.rate_min = 48000,
|
|
.rate_max = 48000,
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.buffer_bytes_max = 60000,
|
|
.period_bytes_min = 64,
|
|
.period_bytes_max = 8192,
|
|
.periods_min = 1,
|
|
.periods_max = 1024},
|
|
.snd_line6_capture_hw = {
|
|
.info = (SNDRV_PCM_INFO_MMAP |
|
|
SNDRV_PCM_INFO_INTERLEAVED |
|
|
SNDRV_PCM_INFO_BLOCK_TRANSFER |
|
|
SNDRV_PCM_INFO_MMAP_VALID |
|
|
SNDRV_PCM_INFO_SYNC_START),
|
|
.formats = SNDRV_PCM_FMTBIT_S24_3LE,
|
|
.rates = SNDRV_PCM_RATE_48000,
|
|
.rate_min = 48000,
|
|
.rate_max = 48000,
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.buffer_bytes_max = 60000,
|
|
.period_bytes_min = 64,
|
|
.period_bytes_max = 8192,
|
|
.periods_min = 1,
|
|
.periods_max = 1024},
|
|
.snd_line6_rates = {
|
|
.nrats = 1,
|
|
.rats = &podhd_ratden},
|
|
.bytes_per_frame = PODHD_BYTES_PER_FRAME
|
|
};
|
|
|
|
/*
|
|
Try to init POD HD device.
|
|
*/
|
|
static int podhd_init(struct usb_interface *interface,
|
|
struct usb_line6 *line6)
|
|
{
|
|
int err;
|
|
|
|
/* initialize MIDI subsystem: */
|
|
err = line6_init_midi(line6);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* initialize PCM subsystem: */
|
|
err = line6_init_pcm(line6, &podhd_pcm_properties);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* register USB audio system: */
|
|
return snd_card_register(line6->card);
|
|
}
|
|
|
|
#define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod)
|
|
#define LINE6_IF_NUM(prod, n) USB_DEVICE_INTERFACE_NUMBER(0x0e41, prod, n)
|
|
|
|
/* table of devices that work with this driver */
|
|
static const struct usb_device_id podhd_id_table[] = {
|
|
{ LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 },
|
|
{ LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 },
|
|
{ LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500_0 },
|
|
{ LINE6_IF_NUM(0x414D, 1), .driver_info = LINE6_PODHD500_1 },
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(usb, podhd_id_table);
|
|
|
|
static const struct line6_properties podhd_properties_table[] = {
|
|
[LINE6_PODHD300] = {
|
|
.id = "PODHD300",
|
|
.name = "POD HD300",
|
|
.capabilities = LINE6_CAP_CONTROL
|
|
| LINE6_CAP_PCM
|
|
| LINE6_CAP_HWMON,
|
|
.altsetting = 5,
|
|
.ep_ctrl_r = 0x84,
|
|
.ep_ctrl_w = 0x03,
|
|
.ep_audio_r = 0x82,
|
|
.ep_audio_w = 0x01,
|
|
},
|
|
[LINE6_PODHD400] = {
|
|
.id = "PODHD400",
|
|
.name = "POD HD400",
|
|
.capabilities = LINE6_CAP_CONTROL
|
|
| LINE6_CAP_PCM
|
|
| LINE6_CAP_HWMON,
|
|
.altsetting = 5,
|
|
.ep_ctrl_r = 0x84,
|
|
.ep_ctrl_w = 0x03,
|
|
.ep_audio_r = 0x82,
|
|
.ep_audio_w = 0x01,
|
|
},
|
|
[LINE6_PODHD500_0] = {
|
|
.id = "PODHD500",
|
|
.name = "POD HD500",
|
|
.capabilities = LINE6_CAP_CONTROL
|
|
| LINE6_CAP_PCM
|
|
| LINE6_CAP_HWMON,
|
|
.altsetting = 1,
|
|
.ep_ctrl_r = 0x81,
|
|
.ep_ctrl_w = 0x01,
|
|
.ep_audio_r = 0x86,
|
|
.ep_audio_w = 0x02,
|
|
},
|
|
[LINE6_PODHD500_1] = {
|
|
.id = "PODHD500",
|
|
.name = "POD HD500",
|
|
.capabilities = LINE6_CAP_CONTROL
|
|
| LINE6_CAP_PCM
|
|
| LINE6_CAP_HWMON,
|
|
.altsetting = 1,
|
|
.ep_ctrl_r = 0x81,
|
|
.ep_ctrl_w = 0x01,
|
|
.ep_audio_r = 0x86,
|
|
.ep_audio_w = 0x02,
|
|
},
|
|
};
|
|
|
|
/*
|
|
Probe USB device.
|
|
*/
|
|
static int podhd_probe(struct usb_interface *interface,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct usb_line6_podhd *podhd;
|
|
|
|
podhd = kzalloc(sizeof(*podhd), GFP_KERNEL);
|
|
if (!podhd)
|
|
return -ENODEV;
|
|
return line6_probe(interface, &podhd->line6,
|
|
&podhd_properties_table[id->driver_info],
|
|
podhd_init);
|
|
}
|
|
|
|
static struct usb_driver podhd_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.probe = podhd_probe,
|
|
.disconnect = line6_disconnect,
|
|
#ifdef CONFIG_PM
|
|
.suspend = line6_suspend,
|
|
.resume = line6_resume,
|
|
.reset_resume = line6_resume,
|
|
#endif
|
|
.id_table = podhd_id_table,
|
|
};
|
|
|
|
module_usb_driver(podhd_driver);
|
|
|
|
MODULE_DESCRIPTION("Line 6 PODHD USB driver");
|
|
MODULE_LICENSE("GPL");
|