| /* |
| * Line6 Linux USB driver - 0.8.0 |
| * |
| * Copyright (C) 2004-2009 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 "driver.h" |
| |
| #include "audio.h" |
| #include "capture.h" |
| #include "playback.h" |
| #include "toneport.h" |
| |
| |
| static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2); |
| |
| |
| 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 = 180 * 4, |
| .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 = 188 * 4, |
| .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 void toneport_update_led(struct device *dev) { |
| struct usb_interface *interface; |
| struct usb_line6_toneport *tp; |
| struct usb_line6* line6; |
| |
| if ((interface = to_usb_interface(dev)) && |
| (tp = usb_get_intfdata(interface)) && |
| (line6 = &tp->line6)) |
| toneport_send_cmd(line6->usbdev, (led_red<<8)|0x0002, led_green); // for setting the LED on Guitarport |
| } |
| static ssize_t toneport_set_led_red(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) { |
| char* c; |
| led_red = simple_strtol(buf, &c, 10); |
| 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) { |
| char* c; |
| led_green = simple_strtol(buf, &c, 10); |
| toneport_update_led(dev); |
| return count; |
| } |
| |
| static DEVICE_ATTR(led_red, S_IWUGO | S_IRUGO, line6_nop_read, toneport_set_led_red); |
| static DEVICE_ATTR(led_green, S_IWUGO | 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) { |
| err("send failed (error %d)\n", ret); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| Toneport destructor. |
| */ |
| static void toneport_destruct(struct usb_interface *interface) |
| { |
| struct usb_line6_toneport *toneport = usb_get_intfdata(interface); |
| struct usb_line6 *line6; |
| |
| if(toneport == NULL) return; |
| line6 = &toneport->line6; |
| if(line6 == NULL) return; |
| line6_cleanup_audio(line6); |
| } |
| |
| /* |
| Init Toneport device. |
| */ |
| int toneport_init(struct usb_interface *interface, struct usb_line6_toneport *toneport) |
| { |
| int err, ticks; |
| struct usb_line6 *line6 = &toneport->line6; |
| struct usb_device *usbdev; |
| |
| if((interface == NULL) || (toneport == NULL)) |
| return -ENODEV; |
| |
| /* initialize audio system: */ |
| if((err = line6_init_audio(line6)) < 0) { |
| toneport_destruct(interface); |
| return err; |
| } |
| |
| /* initialize PCM subsystem: */ |
| if((err = line6_init_pcm(line6, &toneport_pcm_properties)) < 0) { |
| toneport_destruct(interface); |
| return err; |
| } |
| |
| /* register audio system: */ |
| if((err = line6_register_audio(line6)) < 0) { |
| toneport_destruct(interface); |
| return err; |
| } |
| |
| usbdev = line6->usbdev; |
| line6_read_serial_number(line6, &toneport->serial_number); |
| line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1); |
| |
| /* sync time on device with host: */ |
| ticks = (int)get_seconds(); |
| line6_write_data(line6, 0x80c6, &ticks, 4); |
| |
| /* |
| seems to work without the first two... |
| */ |
| //toneport_send_cmd(usbdev, 0x0201, 0x0002); // .. |
| //toneport_send_cmd(usbdev, 0x0801, 0x0000); // .. |
| toneport_send_cmd(usbdev, 0x0301, 0x0000); // only one that works for me; on GP, TP might be different? |
| |
| if (usbdev->descriptor.idProduct!=LINE6_DEVID_GUITARPORT) { |
| CHECK_RETURN(device_create_file(&interface->dev, &dev_attr_led_red)); |
| CHECK_RETURN(device_create_file(&interface->dev, &dev_attr_led_green)); |
| toneport_update_led(&usbdev->dev); |
| } |
| |
| return 0; |
| } |
| |
| /* |
| Toneport device disconnected. |
| */ |
| void toneport_disconnect(struct usb_interface *interface) |
| { |
| struct usb_line6_toneport *toneport; |
| |
| if(interface == NULL) return; |
| toneport = usb_get_intfdata(interface); |
| |
| if (toneport->line6.usbdev->descriptor.idProduct != LINE6_DEVID_GUITARPORT) { |
| device_remove_file(&interface->dev, &dev_attr_led_red); |
| device_remove_file(&interface->dev, &dev_attr_led_green); |
| } |
| |
| if(toneport != NULL) { |
| struct snd_line6_pcm *line6pcm = toneport->line6.line6pcm; |
| |
| if(line6pcm != NULL) { |
| unlink_wait_clear_audio_out_urbs(line6pcm); |
| unlink_wait_clear_audio_in_urbs(line6pcm); |
| } |
| } |
| |
| toneport_destruct(interface); |
| } |