diff options
Diffstat (limited to 'sound/usb/line6/toneport.c')
| -rw-r--r-- | sound/usb/line6/toneport.c | 580 |
1 files changed, 580 insertions, 0 deletions
diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c new file mode 100644 index 000000000000..6d4c50c9b17d --- /dev/null +++ b/sound/usb/line6/toneport.c @@ -0,0 +1,580 @@ +/* + * 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 <linux/wait.h> +#include <linux/usb.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/leds.h> +#include <sound/core.h> +#include <sound/control.h> + +#include "capture.h" +#include "driver.h" +#include "playback.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; + +struct toneport_led { + struct led_classdev dev; + char name[64]; + struct usb_line6_toneport *toneport; + bool registered; +}; + +struct usb_line6_toneport { + /* Generic Line 6 USB data */ + struct usb_line6 line6; + + /* Source selector */ + int source; + + /* Serial number of device */ + u32 serial_number; + + /* Firmware version (x 100) */ + u8 firmware_version; + + /* Timer for delayed PCM startup */ + struct timer_list timer; + + /* Device type */ + enum line6_device_type type; + + /* LED instances */ + struct toneport_led leds[2]; +}; + +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 = { + .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}, + .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}, + .rates = { + .nrats = 1, + .rats = &toneport_ratden}, + .bytes_per_frame = 4 +}; + +static const struct { + const char *name; + int code; +} toneport_source_info[] = { + {"Microphone", 0x0a01}, + {"Line", 0x0801}, + {"Instrument", 0x0b01}, + {"Inst & Mic", 0x0901} +}; + +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); + int err; + + if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor) + return 0; + + line6pcm->volume_monitor = ucontrol->value.integer.value[0]; + + if (line6pcm->volume_monitor > 0) { + err = line6_pcm_acquire(line6pcm, LINE6_STREAM_MONITOR); + if (err < 0) { + line6pcm->volume_monitor = 0; + line6_pcm_release(line6pcm, LINE6_STREAM_MONITOR); + return err; + } + } else { + line6_pcm_release(line6pcm, LINE6_STREAM_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_STREAM_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 +}; + +/* + 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 bool toneport_has_led(struct usb_line6_toneport *toneport) +{ + switch (toneport->type) { + case LINE6_GUITARPORT: + case LINE6_TONEPORT_GX: + /* add your device here if you are missing support for the LEDs */ + return true; + + default: + return false; + } +} + +static const char * const led_colors[2] = { "red", "green" }; +static const int led_init_vals[2] = { 0x00, 0x26 }; + +static void toneport_update_led(struct usb_line6_toneport *toneport) +{ + toneport_send_cmd(toneport->line6.usbdev, + (toneport->leds[0].dev.brightness << 8) | 0x0002, + toneport->leds[1].dev.brightness); +} + +static void toneport_led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + struct toneport_led *leds = + container_of(led_cdev, struct toneport_led, dev); + toneport_update_led(leds->toneport); +} + +static int toneport_init_leds(struct usb_line6_toneport *toneport) +{ + struct device *dev = &toneport->line6.usbdev->dev; + int i, err; + + for (i = 0; i < 2; i++) { + struct toneport_led *led = &toneport->leds[i]; + struct led_classdev *leddev = &led->dev; + + led->toneport = toneport; + snprintf(led->name, sizeof(led->name), "%s::%s", + dev_name(dev), led_colors[i]); + leddev->name = led->name; + leddev->brightness = led_init_vals[i]; + leddev->max_brightness = 0x26; + leddev->brightness_set = toneport_led_brightness_set; + err = led_classdev_register(dev, leddev); + if (err) + return err; + led->registered = true; + } + + return 0; +} + +static void toneport_remove_leds(struct usb_line6_toneport *toneport) +{ + struct toneport_led *led; + int i; + + for (i = 0; i < 2; i++) { + led = &toneport->leds[i]; + if (!led->registered) + break; + led_classdev_unregister(&led->dev); + led->registered = false; + } +} + +static bool toneport_has_source_select(struct usb_line6_toneport *toneport) +{ + switch (toneport->type) { + case LINE6_TONEPORT_UX1: + case LINE6_TONEPORT_UX2: + case LINE6_PODSTUDIO_UX1: + case LINE6_PODSTUDIO_UX2: + return true; + + default: + return false; + } +} + +/* + 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: */ + if (toneport_has_source_select(toneport)) + toneport_send_cmd(usbdev, + toneport_source_info[toneport->source].code, + 0x0000); + + if (toneport_has_led(toneport)) + toneport_update_led(toneport); + + mod_timer(&toneport->timer, jiffies + TONEPORT_PCM_DELAY * HZ); +} + +/* + Toneport device disconnected. +*/ +static void line6_toneport_disconnect(struct usb_line6 *line6) +{ + struct usb_line6_toneport *toneport = + (struct usb_line6_toneport *)line6; + + del_timer_sync(&toneport->timer); + + if (toneport_has_led(toneport)) + toneport_remove_leds(toneport); +} + + +/* + Try to init Toneport device. +*/ +static int toneport_init(struct usb_line6 *line6, + const struct usb_device_id *id) +{ + int err; + struct usb_line6_toneport *toneport = (struct usb_line6_toneport *) line6; + + toneport->type = id->driver_info; + 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: */ + if (toneport_has_source_select(toneport)) { + err = + snd_ctl_add(line6->card, + snd_ctl_new1(&toneport_control_source, + line6->line6pcm)); + if (err < 0) + return err; + } + + line6_read_serial_number(line6, &toneport->serial_number); + line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1); + + if (toneport_has_led(toneport)) { + err = toneport_init_leds(toneport); + 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) +{ + return line6_probe(interface, id, "Line6-TonePort", + &toneport_properties_table[id->driver_info], + toneport_init, sizeof(struct usb_line6_toneport)); +} + +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"); |