diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-05 11:06:45 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-05 11:06:45 -0700 |
commit | 3516c6a8dc0b1153c611c4cf0dc4a51631f052bb (patch) | |
tree | c54a5fc916cbe73e43dee20902642f367f44a551 /drivers/staging/line6/toneport.c | |
parent | 714f83d5d9f7c785f622259dad1f4fad12d64664 (diff) | |
parent | ba0e1ebb7ea0616eebc29d2077355bacea62a9d8 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (714 commits)
Staging: sxg: slicoss: Specify the license for Sahara SXG and Slicoss drivers
Staging: serqt_usb: fix build due to proc tty changes
Staging: serqt_usb: fix checkpatch errors
Staging: serqt_usb: add TODO file
Staging: serqt_usb: Lindent the code
Staging: add USB serial Quatech driver
staging: document that the wifi staging drivers a bit better
Staging: echo cleanup
Staging: BUG to BUG_ON changes
Staging: remove some pointless conditionals before kfree_skb()
Staging: line6: fix build error, select SND_RAWMIDI
Staging: line6: fix checkpatch errors in variax.c
Staging: line6: fix checkpatch errors in toneport.c
Staging: line6: fix checkpatch errors in pcm.c
Staging: line6: fix checkpatch errors in midibuf.c
Staging: line6: fix checkpatch errors in midi.c
Staging: line6: fix checkpatch errors in dumprequest.c
Staging: line6: fix checkpatch errors in driver.c
Staging: line6: fix checkpatch errors in audio.c
Staging: line6: fix checkpatch errors in pod.c
...
Diffstat (limited to 'drivers/staging/line6/toneport.c')
-rw-r--r-- | drivers/staging/line6/toneport.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/drivers/staging/line6/toneport.c b/drivers/staging/line6/toneport.c new file mode 100644 index 00000000000..eaa1229002a --- /dev/null +++ b/drivers/staging/line6/toneport.c @@ -0,0 +1,241 @@ +/* + * 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 = 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) +{ + 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: */ + err = line6_init_audio(line6); + if (err < 0) { + toneport_destruct(interface); + return err; + } + + /* initialize PCM subsystem: */ + err = line6_init_pcm(line6, &toneport_pcm_properties); + if (err < 0) { + toneport_destruct(interface); + return err; + } + + /* register audio system: */ + err = line6_register_audio(line6); + if (err < 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); */ + /* only one that works for me; on GP, TP might be different? */ + toneport_send_cmd(usbdev, 0x0301, 0x0000); + + 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); +} |