/* * Line 6 Linux USB driver * * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at) * Emil Myhrman (emil.myhrman@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 #include #include #include #include #include #include "capture.h" #include "driver.h" #include "playback.h" #include "usbdefs.h" enum line6_device_type { LINE6_GUITARPORT, LINE6_PODSTUDIO_GX, LINE6_PODSTUDIO_UX1, LINE6_PODSTUDIO_UX2, LINE6_TONEPORT_GX, LINE6_TONEPORT_UX1, LINE6_TONEPORT_UX2, }; struct usb_line6_toneport { /** Generic Line 6 USB data. */ struct usb_line6 line6; /** Source selector. */ int source; /** Serial number of device. */ int serial_number; /** Firmware version (x 100). */ int firmware_version; /** Timer for delayed PCM startup. */ struct timer_list timer; /** Device type. */ enum line6_device_type type; }; static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2); #define TONEPORT_PCM_DELAY 1 static struct snd_ratden toneport_ratden = { .num_min = 44100, .num_max = 44100, .num_step = 1, .den = 1 }; static struct line6_pcm_properties toneport_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_S16_LE, .rates = SNDRV_PCM_RATE_KNOT, .rate_min = 44100, .rate_max = 44100, .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_S16_LE, .rates = SNDRV_PCM_RATE_KNOT, .rate_min = 44100, .rate_max = 44100, .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 = &toneport_ratden}, .bytes_per_frame = 4 }; /* For the led on Guitarport. Brightness goes from 0x00 to 0x26. Set a value above this to have led blink. (void cmd_0x02(byte red, byte green) */ static int led_red = 0x00; static int led_green = 0x26; static const struct { const char *name; int code; } toneport_source_info[] = { {"Microphone", 0x0a01}, {"Line", 0x0801}, {"Instrument", 0x0b01}, {"Inst & Mic", 0x0901} }; static bool toneport_has_led(enum line6_device_type type) { return (type == LINE6_GUITARPORT) || (type == LINE6_TONEPORT_GX); /* add your device here if you are missing support for the LEDs */ } static void toneport_update_led(struct device *dev) { struct usb_interface *interface = to_usb_interface(dev); struct usb_line6_toneport *tp = usb_get_intfdata(interface); struct usb_line6 *line6; if (!tp) return; line6 = &tp->line6; if (line6) toneport_send_cmd(line6->usbdev, (led_red << 8) | 0x0002, led_green); } static ssize_t toneport_set_led_red(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int retval; retval = kstrtoint(buf, 10, &led_red); if (retval) return retval; toneport_update_led(dev); return count; } static ssize_t toneport_set_led_green(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int retval; retval = kstrtoint(buf, 10, &led_green); if (retval) return retval; toneport_update_led(dev); return count; } static DEVICE_ATTR(led_red, S_IWUSR | S_IRUGO, line6_nop_read, toneport_set_led_red); static DEVICE_ATTR(led_green, S_IWUSR | S_IRUGO, line6_nop_read, toneport_set_led_green); static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2) { int ret; ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ); if (ret < 0) { dev_err(&usbdev->dev, "send failed (error %d)\n", ret); return ret; } return 0; } /* monitor info callback */ static int snd_toneport_monitor_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = 256; return 0; } /* monitor get callback */ static int snd_toneport_monitor_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); ucontrol->value.integer.value[0] = line6pcm->volume_monitor; return 0; } /* monitor put callback */ static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor) return 0; line6pcm->volume_monitor = ucontrol->value.integer.value[0]; if (line6pcm->volume_monitor > 0) line6_pcm_acquire(line6pcm, LINE6_BITS_PCM_MONITOR); else line6_pcm_release(line6pcm, LINE6_BITS_PCM_MONITOR); return 1; } /* source info callback */ static int snd_toneport_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { const int size = ARRAY_SIZE(toneport_source_info); uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; uinfo->value.enumerated.items = size; if (uinfo->value.enumerated.item >= size) uinfo->value.enumerated.item = size - 1; strcpy(uinfo->value.enumerated.name, toneport_source_info[uinfo->value.enumerated.item].name); return 0; } /* source get callback */ static int snd_toneport_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)line6pcm->line6; ucontrol->value.enumerated.item[0] = toneport->source; return 0; } /* source put callback */ static int snd_toneport_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)line6pcm->line6; unsigned int source; source = ucontrol->value.enumerated.item[0]; if (source >= ARRAY_SIZE(toneport_source_info)) return -EINVAL; if (source == toneport->source) return 0; toneport->source = source; toneport_send_cmd(toneport->line6.usbdev, toneport_source_info[source].code, 0x0000); return 1; } static void toneport_start_pcm(unsigned long arg) { struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)arg; struct usb_line6 *line6 = &toneport->line6; line6_pcm_acquire(line6->line6pcm, LINE6_BITS_PCM_MONITOR); } /* control definition */ static struct snd_kcontrol_new toneport_control_monitor = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Monitor Playback Volume", .index = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = snd_toneport_monitor_info, .get = snd_toneport_monitor_get, .put = snd_toneport_monitor_put }; /* source selector definition */ static struct snd_kcontrol_new toneport_control_source = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Capture Source", .index = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = snd_toneport_source_info, .get = snd_toneport_source_get, .put = snd_toneport_source_put }; /* Setup Toneport device. */ static void toneport_setup(struct usb_line6_toneport *toneport) { int ticks; struct usb_line6 *line6 = &toneport->line6; struct usb_device *usbdev = line6->usbdev; /* sync time on device with host: */ ticks = (int)get_seconds(); line6_write_data(line6, 0x80c6, &ticks, 4); /* enable device: */ toneport_send_cmd(usbdev, 0x0301, 0x0000); /* initialize source select: */ switch (toneport->type) { case LINE6_TONEPORT_UX1: case LINE6_TONEPORT_UX2: case LINE6_PODSTUDIO_UX1: case LINE6_PODSTUDIO_UX2: toneport_send_cmd(usbdev, toneport_source_info[toneport->source].code, 0x0000); default: break; } if (toneport_has_led(toneport->type)) toneport_update_led(&usbdev->dev); mod_timer(&toneport->timer, jiffies + TONEPORT_PCM_DELAY * HZ); } /* Toneport device disconnected. */ static void line6_toneport_disconnect(struct usb_interface *interface) { struct usb_line6_toneport *toneport; toneport = usb_get_intfdata(interface); del_timer_sync(&toneport->timer); if (toneport_has_led(toneport->type)) { device_remove_file(&interface->dev, &dev_attr_led_red); device_remove_file(&interface->dev, &dev_attr_led_green); } } /* Try to init Toneport device. */ static int toneport_init(struct usb_interface *interface, struct usb_line6 *line6) { int err; struct usb_line6_toneport *toneport = (struct usb_line6_toneport *) line6; setup_timer(&toneport->timer, toneport_start_pcm, (unsigned long)toneport); line6->disconnect = line6_toneport_disconnect; /* initialize PCM subsystem: */ err = line6_init_pcm(line6, &toneport_pcm_properties); if (err < 0) return err; /* register monitor control: */ err = snd_ctl_add(line6->card, snd_ctl_new1(&toneport_control_monitor, line6->line6pcm)); if (err < 0) return err; /* register source select control: */ switch (toneport->type) { case LINE6_TONEPORT_UX1: case LINE6_TONEPORT_UX2: case LINE6_PODSTUDIO_UX1: case LINE6_PODSTUDIO_UX2: err = snd_ctl_add(line6->card, snd_ctl_new1(&toneport_control_source, line6->line6pcm)); if (err < 0) return err; default: break; } line6_read_serial_number(line6, &toneport->serial_number); line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1); if (toneport_has_led(toneport->type)) { err = device_create_file(&interface->dev, &dev_attr_led_red); if (err < 0) return err; err = device_create_file(&interface->dev, &dev_attr_led_green); if (err < 0) return err; } toneport_setup(toneport); /* register audio system: */ return snd_card_register(line6->card); } #ifdef CONFIG_PM /* Resume Toneport device after reset. */ static int toneport_reset_resume(struct usb_interface *interface) { toneport_setup(usb_get_intfdata(interface)); return line6_resume(interface); } #endif #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 toneport_id_table[] = { { LINE6_DEVICE(0x4750), .driver_info = LINE6_GUITARPORT }, { LINE6_DEVICE(0x4153), .driver_info = LINE6_PODSTUDIO_GX }, { LINE6_DEVICE(0x4150), .driver_info = LINE6_PODSTUDIO_UX1 }, { LINE6_IF_NUM(0x4151, 0), .driver_info = LINE6_PODSTUDIO_UX2 }, { LINE6_DEVICE(0x4147), .driver_info = LINE6_TONEPORT_GX }, { LINE6_DEVICE(0x4141), .driver_info = LINE6_TONEPORT_UX1 }, { LINE6_IF_NUM(0x4142, 0), .driver_info = LINE6_TONEPORT_UX2 }, {} }; MODULE_DEVICE_TABLE(usb, toneport_id_table); static const struct line6_properties toneport_properties_table[] = { [LINE6_GUITARPORT] = { .id = "GuitarPort", .name = "GuitarPort", .capabilities = LINE6_CAP_PCM, .altsetting = 2, /* 1..4 seem to be ok */ /* no control channel */ .ep_audio_r = 0x82, .ep_audio_w = 0x01, }, [LINE6_PODSTUDIO_GX] = { .id = "PODStudioGX", .name = "POD Studio GX", .capabilities = LINE6_CAP_PCM, .altsetting = 2, /* 1..4 seem to be ok */ /* no control channel */ .ep_audio_r = 0x82, .ep_audio_w = 0x01, }, [LINE6_PODSTUDIO_UX1] = { .id = "PODStudioUX1", .name = "POD Studio UX1", .capabilities = LINE6_CAP_PCM, .altsetting = 2, /* 1..4 seem to be ok */ /* no control channel */ .ep_audio_r = 0x82, .ep_audio_w = 0x01, }, [LINE6_PODSTUDIO_UX2] = { .id = "PODStudioUX2", .name = "POD Studio UX2", .capabilities = LINE6_CAP_PCM, .altsetting = 2, /* defaults to 44.1kHz, 16-bit */ /* no control channel */ .ep_audio_r = 0x82, .ep_audio_w = 0x01, }, [LINE6_TONEPORT_GX] = { .id = "TonePortGX", .name = "TonePort GX", .capabilities = LINE6_CAP_PCM, .altsetting = 2, /* 1..4 seem to be ok */ /* no control channel */ .ep_audio_r = 0x82, .ep_audio_w = 0x01, }, [LINE6_TONEPORT_UX1] = { .id = "TonePortUX1", .name = "TonePort UX1", .capabilities = LINE6_CAP_PCM, .altsetting = 2, /* 1..4 seem to be ok */ /* no control channel */ .ep_audio_r = 0x82, .ep_audio_w = 0x01, }, [LINE6_TONEPORT_UX2] = { .id = "TonePortUX2", .name = "TonePort UX2", .capabilities = LINE6_CAP_PCM, .altsetting = 2, /* defaults to 44.1kHz, 16-bit */ /* no control channel */ .ep_audio_r = 0x82, .ep_audio_w = 0x01, }, }; /* Probe USB device. */ static int toneport_probe(struct usb_interface *interface, const struct usb_device_id *id) { struct usb_line6_toneport *toneport; toneport = kzalloc(sizeof(*toneport), GFP_KERNEL); if (!toneport) return -ENODEV; toneport->type = id->driver_info; return line6_probe(interface, &toneport->line6, &toneport_properties_table[id->driver_info], toneport_init); } static struct usb_driver toneport_driver = { .name = KBUILD_MODNAME, .probe = toneport_probe, .disconnect = line6_disconnect, #ifdef CONFIG_PM .suspend = line6_suspend, .resume = line6_resume, .reset_resume = toneport_reset_resume, #endif .id_table = toneport_id_table, }; module_usb_driver(toneport_driver); MODULE_DESCRIPTION("TonePort USB driver"); MODULE_LICENSE("GPL");