--- /dev/null
+/*
+ * 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");
Code Review / kvmfornfv.git / blobdiff