2009-02-28 03:43:04 +00:00
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/*
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* Line6 Linux USB driver - 0.8.0
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*
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* Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at)
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* Emil Myhrman (emil.myhrman@gmail.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#include "driver.h"
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#include "audio.h"
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#include "capture.h"
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#include "playback.h"
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#include "toneport.h"
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static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2);
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static 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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.snd_line6_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 = 180 * 4,
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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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},
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.snd_line6_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 = 188 * 4,
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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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},
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.snd_line6_rates = {
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.nrats = 1,
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.rats = &toneport_ratden
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},
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.bytes_per_frame = 4
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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 blink.
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(void cmd_0x02(byte red, byte green)
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*/
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static int led_red = 0x00;
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static int led_green = 0x26;
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static void toneport_update_led(struct device *dev) {
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struct usb_interface *interface;
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struct usb_line6_toneport *tp;
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struct usb_line6* line6;
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if ((interface = to_usb_interface(dev)) &&
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(tp = usb_get_intfdata(interface)) &&
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(line6 = &tp->line6))
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toneport_send_cmd(line6->usbdev, (led_red<<8)|0x0002, led_green); // for setting the LED on Guitarport
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}
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2009-02-28 04:25:43 +00:00
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static ssize_t toneport_set_led_red(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count) {
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2009-02-28 03:43:04 +00:00
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char* c;
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led_red = simple_strtol(buf, &c, 10);
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toneport_update_led(dev);
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return count;
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}
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2009-02-28 04:25:43 +00:00
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static ssize_t toneport_set_led_green(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count) {
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2009-02-28 03:43:04 +00:00
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char* c;
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led_green = simple_strtol(buf, &c, 10);
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toneport_update_led(dev);
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return count;
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}
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static DEVICE_ATTR(led_red, S_IWUGO | S_IRUGO, line6_nop_read, toneport_set_led_red);
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static DEVICE_ATTR(led_green, S_IWUGO | S_IRUGO, line6_nop_read, toneport_set_led_green);
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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(usbdev, usb_sndctrlpipe(usbdev,0), 0x67,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
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2009-02-28 04:49:46 +00:00
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cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ);
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2009-02-28 03:43:04 +00:00
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if(ret < 0) {
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err("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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/*
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Toneport destructor.
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*/
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static void toneport_destruct(struct usb_interface *interface)
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{
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struct usb_line6_toneport *toneport = usb_get_intfdata(interface);
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struct usb_line6 *line6;
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if(toneport == NULL) return;
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line6 = &toneport->line6;
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if(line6 == NULL) return;
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line6_cleanup_audio(line6);
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}
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/*
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Init Toneport device.
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*/
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int toneport_init(struct usb_interface *interface, struct usb_line6_toneport *toneport)
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{
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int err, ticks;
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struct usb_line6 *line6 = &toneport->line6;
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struct usb_device *usbdev;
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if((interface == NULL) || (toneport == NULL))
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return -ENODEV;
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/* initialize audio system: */
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if((err = line6_init_audio(line6)) < 0) {
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toneport_destruct(interface);
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return err;
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}
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/* initialize PCM subsystem: */
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if((err = line6_init_pcm(line6, &toneport_pcm_properties)) < 0) {
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toneport_destruct(interface);
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return err;
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}
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/* register audio system: */
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if((err = line6_register_audio(line6)) < 0) {
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toneport_destruct(interface);
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return err;
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}
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usbdev = line6->usbdev;
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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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/* sync time on device with host: */
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ticks = (int)get_seconds();
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line6_write_data(line6, 0x80c6, &ticks, 4);
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/*
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seems to work without the first two...
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*/
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//toneport_send_cmd(usbdev, 0x0201, 0x0002); // ..
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//toneport_send_cmd(usbdev, 0x0801, 0x0000); // ..
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toneport_send_cmd(usbdev, 0x0301, 0x0000); // only one that works for me; on GP, TP might be different?
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if (usbdev->descriptor.idProduct!=LINE6_DEVID_GUITARPORT) {
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CHECK_RETURN(device_create_file(&interface->dev, &dev_attr_led_red));
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CHECK_RETURN(device_create_file(&interface->dev, &dev_attr_led_green));
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toneport_update_led(&usbdev->dev);
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}
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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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void toneport_disconnect(struct usb_interface *interface)
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{
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struct usb_line6_toneport *toneport;
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if(interface == NULL) return;
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toneport = usb_get_intfdata(interface);
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if (toneport->line6.usbdev->descriptor.idProduct != LINE6_DEVID_GUITARPORT) {
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device_remove_file(&interface->dev, &dev_attr_led_red);
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device_remove_file(&interface->dev, &dev_attr_led_green);
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}
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if(toneport != NULL) {
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struct snd_line6_pcm *line6pcm = toneport->line6.line6pcm;
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if(line6pcm != NULL) {
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unlink_wait_clear_audio_out_urbs(line6pcm);
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unlink_wait_clear_audio_in_urbs(line6pcm);
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}
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}
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toneport_destruct(interface);
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}
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