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582 lines
14 KiB
582 lines
14 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Line 6 Linux USB driver |
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* |
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* Copyright (C) 2004-2010 Markus Grabner ([email protected]) |
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* Emil Myhrman ([email protected]) |
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*/ |
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|
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#include <linux/wait.h> |
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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 <linux/leds.h> |
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#include <sound/core.h> |
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#include <sound/control.h> |
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#include "capture.h" |
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#include "driver.h" |
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#include "playback.h" |
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enum line6_device_type { |
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LINE6_GUITARPORT, |
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LINE6_PODSTUDIO_GX, |
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LINE6_PODSTUDIO_UX1, |
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LINE6_PODSTUDIO_UX2, |
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LINE6_TONEPORT_GX, |
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LINE6_TONEPORT_UX1, |
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LINE6_TONEPORT_UX2, |
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}; |
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struct usb_line6_toneport; |
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struct toneport_led { |
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struct led_classdev dev; |
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char name[64]; |
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struct usb_line6_toneport *toneport; |
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bool registered; |
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}; |
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struct usb_line6_toneport { |
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/* Generic Line 6 USB data */ |
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struct usb_line6 line6; |
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/* Source selector */ |
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int source; |
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/* Serial number of device */ |
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u32 serial_number; |
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/* Firmware version (x 100) */ |
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u8 firmware_version; |
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/* Device type */ |
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enum line6_device_type type; |
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/* LED instances */ |
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struct toneport_led leds[2]; |
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}; |
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#define line6_to_toneport(x) container_of(x, struct usb_line6_toneport, line6) |
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static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2); |
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#define TONEPORT_PCM_DELAY 1 |
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static const struct snd_ratden toneport_ratden = { |
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.num_min = 44100, |
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.num_max = 44100, |
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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 toneport_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_S16_LE, |
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.rates = SNDRV_PCM_RATE_KNOT, |
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.rate_min = 44100, |
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.rate_max = 44100, |
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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_S16_LE, |
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.rates = SNDRV_PCM_RATE_KNOT, |
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.rate_min = 44100, |
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.rate_max = 44100, |
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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 = &toneport_ratden}, |
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.bytes_per_channel = 2 |
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}; |
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static const struct { |
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const char *name; |
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int code; |
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} toneport_source_info[] = { |
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{"Microphone", 0x0a01}, |
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{"Line", 0x0801}, |
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{"Instrument", 0x0b01}, |
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{"Inst & Mic", 0x0901} |
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}; |
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static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2) |
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{ |
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int ret; |
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ret = usb_control_msg_send(usbdev, 0, 0x67, |
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USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, |
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cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ, |
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GFP_KERNEL); |
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if (ret) { |
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dev_err(&usbdev->dev, "send failed (error %d)\n", ret); |
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return ret; |
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} |
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return 0; |
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} |
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/* monitor info callback */ |
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static int snd_toneport_monitor_info(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_info *uinfo) |
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{ |
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
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uinfo->count = 1; |
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uinfo->value.integer.min = 0; |
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uinfo->value.integer.max = 256; |
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return 0; |
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} |
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/* monitor get callback */ |
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static int snd_toneport_monitor_get(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); |
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ucontrol->value.integer.value[0] = line6pcm->volume_monitor; |
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return 0; |
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} |
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/* monitor put callback */ |
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static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); |
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int err; |
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if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor) |
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return 0; |
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line6pcm->volume_monitor = ucontrol->value.integer.value[0]; |
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if (line6pcm->volume_monitor > 0) { |
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err = line6_pcm_acquire(line6pcm, LINE6_STREAM_MONITOR, true); |
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if (err < 0) { |
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line6pcm->volume_monitor = 0; |
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line6_pcm_release(line6pcm, LINE6_STREAM_MONITOR); |
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return err; |
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} |
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} else { |
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line6_pcm_release(line6pcm, LINE6_STREAM_MONITOR); |
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} |
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return 1; |
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} |
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/* source info callback */ |
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static int snd_toneport_source_info(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_info *uinfo) |
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{ |
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const int size = ARRAY_SIZE(toneport_source_info); |
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uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
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uinfo->count = 1; |
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uinfo->value.enumerated.items = size; |
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if (uinfo->value.enumerated.item >= size) |
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uinfo->value.enumerated.item = size - 1; |
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strcpy(uinfo->value.enumerated.name, |
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toneport_source_info[uinfo->value.enumerated.item].name); |
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return 0; |
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} |
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/* source get callback */ |
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static int snd_toneport_source_get(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); |
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struct usb_line6_toneport *toneport = line6_to_toneport(line6pcm->line6); |
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ucontrol->value.enumerated.item[0] = toneport->source; |
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return 0; |
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} |
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/* source put callback */ |
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static int snd_toneport_source_put(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); |
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struct usb_line6_toneport *toneport = line6_to_toneport(line6pcm->line6); |
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unsigned int source; |
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source = ucontrol->value.enumerated.item[0]; |
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if (source >= ARRAY_SIZE(toneport_source_info)) |
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return -EINVAL; |
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if (source == toneport->source) |
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return 0; |
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toneport->source = source; |
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toneport_send_cmd(toneport->line6.usbdev, |
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toneport_source_info[source].code, 0x0000); |
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return 1; |
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} |
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static void toneport_startup(struct usb_line6 *line6) |
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{ |
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line6_pcm_acquire(line6->line6pcm, LINE6_STREAM_MONITOR, true); |
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} |
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/* control definition */ |
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static const struct snd_kcontrol_new toneport_control_monitor = { |
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
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.name = "Monitor Playback Volume", |
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.index = 0, |
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
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.info = snd_toneport_monitor_info, |
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.get = snd_toneport_monitor_get, |
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.put = snd_toneport_monitor_put |
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}; |
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/* source selector definition */ |
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static const struct snd_kcontrol_new toneport_control_source = { |
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
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.name = "PCM Capture Source", |
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.index = 0, |
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
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.info = snd_toneport_source_info, |
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.get = snd_toneport_source_get, |
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.put = snd_toneport_source_put |
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}; |
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/* |
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For the led on Guitarport. |
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Brightness goes from 0x00 to 0x26. Set a value above this to have led |
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blink. |
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(void cmd_0x02(byte red, byte green) |
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*/ |
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static bool toneport_has_led(struct usb_line6_toneport *toneport) |
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{ |
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switch (toneport->type) { |
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case LINE6_GUITARPORT: |
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case LINE6_TONEPORT_GX: |
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/* add your device here if you are missing support for the LEDs */ |
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return true; |
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default: |
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return false; |
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} |
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} |
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static const char * const toneport_led_colors[2] = { "red", "green" }; |
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static const int toneport_led_init_vals[2] = { 0x00, 0x26 }; |
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static void toneport_update_led(struct usb_line6_toneport *toneport) |
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{ |
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toneport_send_cmd(toneport->line6.usbdev, |
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(toneport->leds[0].dev.brightness << 8) | 0x0002, |
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toneport->leds[1].dev.brightness); |
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} |
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static void toneport_led_brightness_set(struct led_classdev *led_cdev, |
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enum led_brightness brightness) |
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{ |
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struct toneport_led *leds = |
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container_of(led_cdev, struct toneport_led, dev); |
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toneport_update_led(leds->toneport); |
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} |
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static int toneport_init_leds(struct usb_line6_toneport *toneport) |
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{ |
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struct device *dev = &toneport->line6.usbdev->dev; |
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int i, err; |
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for (i = 0; i < 2; i++) { |
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struct toneport_led *led = &toneport->leds[i]; |
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struct led_classdev *leddev = &led->dev; |
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led->toneport = toneport; |
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snprintf(led->name, sizeof(led->name), "%s::%s", |
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dev_name(dev), toneport_led_colors[i]); |
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leddev->name = led->name; |
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leddev->brightness = toneport_led_init_vals[i]; |
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leddev->max_brightness = 0x26; |
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leddev->brightness_set = toneport_led_brightness_set; |
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err = led_classdev_register(dev, leddev); |
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if (err) |
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return err; |
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led->registered = true; |
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} |
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return 0; |
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} |
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static void toneport_remove_leds(struct usb_line6_toneport *toneport) |
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{ |
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struct toneport_led *led; |
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int i; |
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for (i = 0; i < 2; i++) { |
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led = &toneport->leds[i]; |
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if (!led->registered) |
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break; |
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led_classdev_unregister(&led->dev); |
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led->registered = false; |
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} |
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} |
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static bool toneport_has_source_select(struct usb_line6_toneport *toneport) |
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{ |
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switch (toneport->type) { |
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case LINE6_TONEPORT_UX1: |
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case LINE6_TONEPORT_UX2: |
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case LINE6_PODSTUDIO_UX1: |
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case LINE6_PODSTUDIO_UX2: |
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return true; |
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default: |
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return false; |
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} |
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} |
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/* |
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Setup Toneport device. |
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*/ |
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static int toneport_setup(struct usb_line6_toneport *toneport) |
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{ |
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u32 *ticks; |
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struct usb_line6 *line6 = &toneport->line6; |
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struct usb_device *usbdev = line6->usbdev; |
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ticks = kmalloc(sizeof(*ticks), GFP_KERNEL); |
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if (!ticks) |
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return -ENOMEM; |
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/* sync time on device with host: */ |
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/* note: 32-bit timestamps overflow in year 2106 */ |
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*ticks = (u32)ktime_get_real_seconds(); |
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line6_write_data(line6, 0x80c6, ticks, 4); |
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kfree(ticks); |
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/* enable device: */ |
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toneport_send_cmd(usbdev, 0x0301, 0x0000); |
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/* initialize source select: */ |
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if (toneport_has_source_select(toneport)) |
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toneport_send_cmd(usbdev, |
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toneport_source_info[toneport->source].code, |
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0x0000); |
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if (toneport_has_led(toneport)) |
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toneport_update_led(toneport); |
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schedule_delayed_work(&toneport->line6.startup_work, |
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msecs_to_jiffies(TONEPORT_PCM_DELAY * 1000)); |
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return 0; |
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} |
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/* |
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Toneport device disconnected. |
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*/ |
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static void line6_toneport_disconnect(struct usb_line6 *line6) |
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{ |
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struct usb_line6_toneport *toneport = line6_to_toneport(line6); |
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if (toneport_has_led(toneport)) |
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toneport_remove_leds(toneport); |
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} |
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/* |
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Try to init Toneport device. |
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*/ |
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static int toneport_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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struct usb_line6_toneport *toneport = line6_to_toneport(line6); |
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toneport->type = id->driver_info; |
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line6->disconnect = line6_toneport_disconnect; |
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line6->startup = toneport_startup; |
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/* initialize PCM subsystem: */ |
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err = line6_init_pcm(line6, &toneport_pcm_properties); |
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if (err < 0) |
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return err; |
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/* register monitor control: */ |
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err = snd_ctl_add(line6->card, |
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snd_ctl_new1(&toneport_control_monitor, |
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line6->line6pcm)); |
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if (err < 0) |
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return err; |
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/* register source select control: */ |
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if (toneport_has_source_select(toneport)) { |
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err = |
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snd_ctl_add(line6->card, |
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snd_ctl_new1(&toneport_control_source, |
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line6->line6pcm)); |
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if (err < 0) |
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return err; |
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} |
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line6_read_serial_number(line6, &toneport->serial_number); |
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line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1); |
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if (toneport_has_led(toneport)) { |
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err = toneport_init_leds(toneport); |
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if (err < 0) |
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return err; |
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} |
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err = toneport_setup(toneport); |
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if (err) |
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return err; |
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/* register audio system: */ |
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return snd_card_register(line6->card); |
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} |
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#ifdef CONFIG_PM |
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/* |
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Resume Toneport device after reset. |
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*/ |
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static int toneport_reset_resume(struct usb_interface *interface) |
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{ |
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int err; |
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err = toneport_setup(usb_get_intfdata(interface)); |
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if (err) |
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return err; |
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return line6_resume(interface); |
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} |
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#endif |
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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 toneport_id_table[] = { |
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{ LINE6_DEVICE(0x4750), .driver_info = LINE6_GUITARPORT }, |
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{ LINE6_DEVICE(0x4153), .driver_info = LINE6_PODSTUDIO_GX }, |
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{ LINE6_DEVICE(0x4150), .driver_info = LINE6_PODSTUDIO_UX1 }, |
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{ LINE6_IF_NUM(0x4151, 0), .driver_info = LINE6_PODSTUDIO_UX2 }, |
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{ LINE6_DEVICE(0x4147), .driver_info = LINE6_TONEPORT_GX }, |
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{ LINE6_DEVICE(0x4141), .driver_info = LINE6_TONEPORT_UX1 }, |
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{ LINE6_IF_NUM(0x4142, 0), .driver_info = LINE6_TONEPORT_UX2 }, |
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{} |
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}; |
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MODULE_DEVICE_TABLE(usb, toneport_id_table); |
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|
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static const struct line6_properties toneport_properties_table[] = { |
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[LINE6_GUITARPORT] = { |
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.id = "GuitarPort", |
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.name = "GuitarPort", |
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.capabilities = LINE6_CAP_PCM, |
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.altsetting = 2, /* 1..4 seem to be ok */ |
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/* no control channel */ |
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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_PODSTUDIO_GX] = { |
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.id = "PODStudioGX", |
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.name = "POD Studio GX", |
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.capabilities = LINE6_CAP_PCM, |
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.altsetting = 2, /* 1..4 seem to be ok */ |
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/* no control channel */ |
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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_PODSTUDIO_UX1] = { |
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.id = "PODStudioUX1", |
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.name = "POD Studio UX1", |
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.capabilities = LINE6_CAP_PCM, |
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.altsetting = 2, /* 1..4 seem to be ok */ |
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/* no control channel */ |
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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_PODSTUDIO_UX2] = { |
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.id = "PODStudioUX2", |
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.name = "POD Studio UX2", |
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.capabilities = LINE6_CAP_PCM, |
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.altsetting = 2, /* defaults to 44.1kHz, 16-bit */ |
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/* no control channel */ |
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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_TONEPORT_GX] = { |
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.id = "TonePortGX", |
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.name = "TonePort GX", |
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.capabilities = LINE6_CAP_PCM, |
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.altsetting = 2, /* 1..4 seem to be ok */ |
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/* no control channel */ |
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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_TONEPORT_UX1] = { |
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.id = "TonePortUX1", |
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.name = "TonePort UX1", |
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.capabilities = LINE6_CAP_PCM, |
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.altsetting = 2, /* 1..4 seem to be ok */ |
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/* no control channel */ |
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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_TONEPORT_UX2] = { |
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.id = "TonePortUX2", |
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.name = "TonePort UX2", |
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.capabilities = LINE6_CAP_PCM, |
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.altsetting = 2, /* defaults to 44.1kHz, 16-bit */ |
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/* no control channel */ |
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.ep_audio_r = 0x82, |
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.ep_audio_w = 0x01, |
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}, |
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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 toneport_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-TonePort", |
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&toneport_properties_table[id->driver_info], |
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toneport_init, sizeof(struct usb_line6_toneport)); |
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} |
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|
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static struct usb_driver toneport_driver = { |
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.name = KBUILD_MODNAME, |
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.probe = toneport_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 = toneport_reset_resume, |
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#endif |
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.id_table = toneport_id_table, |
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}; |
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|
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module_usb_driver(toneport_driver); |
|
|
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MODULE_DESCRIPTION("TonePort USB driver"); |
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MODULE_LICENSE("GPL");
|
|
|