diff options
Diffstat (limited to 'sound/usb/line6/podhd.c')
| -rw-r--r-- | sound/usb/line6/podhd.c | 301 |
1 files changed, 280 insertions, 21 deletions
diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c index 63dcaef..49cd4a6 100644 --- a/sound/usb/line6/podhd.c +++ b/sound/usb/line6/podhd.c @@ -2,6 +2,7 @@ * Line 6 Pod HD * * Copyright (C) 2011 Stefan Hajnoczi <stefanha@gmail.com> + * Copyright (C) 2015 Andrej Krutak <dev@andree.sk> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -18,14 +19,46 @@ #include "driver.h" #include "pcm.h" +#define PODHD_STARTUP_DELAY 500 + +/* + * Stages of POD startup procedure + */ +enum { + PODHD_STARTUP_INIT = 1, + PODHD_STARTUP_SCHEDULE_WORKQUEUE, + PODHD_STARTUP_SETUP, + PODHD_STARTUP_LAST = PODHD_STARTUP_SETUP - 1 +}; + enum { LINE6_PODHD300, LINE6_PODHD400, LINE6_PODHD500_0, LINE6_PODHD500_1, + LINE6_PODX3, + LINE6_PODX3LIVE }; -#define PODHD_BYTES_PER_FRAME 6 /* 24bit audio (stereo) */ +struct usb_line6_podhd { + /* Generic Line 6 USB data */ + struct usb_line6 line6; + + /* Timer for device initialization */ + struct timer_list startup_timer; + + /* Work handler for device initialization */ + struct work_struct startup_work; + + /* Current progress in startup procedure */ + int startup_progress; + + /* Serial number of device */ + u32 serial_number; + + /* Firmware version */ + int firmware_version; +}; static struct snd_ratden podhd_ratden = { .num_min = 48000, @@ -73,29 +106,234 @@ static struct line6_pcm_properties podhd_pcm_properties = { .rates = { .nrats = 1, .rats = &podhd_ratden}, - .bytes_per_frame = PODHD_BYTES_PER_FRAME + .bytes_per_channel = 3 /* SNDRV_PCM_FMTBIT_S24_3LE */ +}; + +static struct line6_pcm_properties podx3_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_S24_3LE, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .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_S24_3LE, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + /* 1+2: Main signal (out), 3+4: Tone 1, + * 5+6: Tone 2, 7+8: raw + */ + .channels_min = 8, + .channels_max = 8, + .buffer_bytes_max = 60000, + .period_bytes_min = 64, + .period_bytes_max = 8192, + .periods_min = 1, + .periods_max = 1024}, + .rates = { + .nrats = 1, + .rats = &podhd_ratden}, + .bytes_per_channel = 3 /* SNDRV_PCM_FMTBIT_S24_3LE */ +}; + +static void podhd_startup_start_workqueue(unsigned long data); +static void podhd_startup_workqueue(struct work_struct *work); +static int podhd_startup_finalize(struct usb_line6_podhd *pod); + +static ssize_t serial_number_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct snd_card *card = dev_to_snd_card(dev); + struct usb_line6_podhd *pod = card->private_data; + + return sprintf(buf, "%u\n", pod->serial_number); +} + +static ssize_t firmware_version_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct snd_card *card = dev_to_snd_card(dev); + struct usb_line6_podhd *pod = card->private_data; + + return sprintf(buf, "%06x\n", pod->firmware_version); +} + +static DEVICE_ATTR_RO(firmware_version); +static DEVICE_ATTR_RO(serial_number); + +static struct attribute *podhd_dev_attrs[] = { + &dev_attr_firmware_version.attr, + &dev_attr_serial_number.attr, + NULL +}; + +static const struct attribute_group podhd_dev_attr_group = { + .name = "podhd", + .attrs = podhd_dev_attrs, }; /* + * POD X3 startup procedure. + * + * May be compatible with other POD HD's, since it's also similar to the + * previous POD setup. In any case, it doesn't seem to be required for the + * audio nor bulk interfaces to work. + */ + +static void podhd_startup(struct usb_line6_podhd *pod) +{ + CHECK_STARTUP_PROGRESS(pod->startup_progress, PODHD_STARTUP_INIT); + + /* delay startup procedure: */ + line6_start_timer(&pod->startup_timer, PODHD_STARTUP_DELAY, + podhd_startup_start_workqueue, (unsigned long)pod); +} + +static void podhd_startup_start_workqueue(unsigned long data) +{ + struct usb_line6_podhd *pod = (struct usb_line6_podhd *)data; + + CHECK_STARTUP_PROGRESS(pod->startup_progress, + PODHD_STARTUP_SCHEDULE_WORKQUEUE); + + /* schedule work for global work queue: */ + schedule_work(&pod->startup_work); +} + +static int podhd_dev_start(struct usb_line6_podhd *pod) +{ + int ret; + u8 init_bytes[8]; + int i; + struct usb_device *usbdev = pod->line6.usbdev; + + ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), + 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, + 0x11, 0, + NULL, 0, LINE6_TIMEOUT * HZ); + if (ret < 0) { + dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret); + return ret; + } + + /* NOTE: looks like some kind of ping message */ + ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, + USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, + 0x11, 0x0, + &init_bytes, 3, LINE6_TIMEOUT * HZ); + if (ret < 0) { + dev_err(pod->line6.ifcdev, + "receive length failed (error %d)\n", ret); + return ret; + } + + pod->firmware_version = + (init_bytes[0] << 16) | (init_bytes[1] << 8) | (init_bytes[2] << 0); + + for (i = 0; i <= 16; i++) { + ret = line6_read_data(&pod->line6, 0xf000 + 0x08 * i, init_bytes, 8); + if (ret < 0) + return ret; + } + + ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), + USB_REQ_SET_FEATURE, + USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT, + 1, 0, + NULL, 0, LINE6_TIMEOUT * HZ); + if (ret < 0) + return ret; + + return 0; +} + +static void podhd_startup_workqueue(struct work_struct *work) +{ + struct usb_line6_podhd *pod = + container_of(work, struct usb_line6_podhd, startup_work); + + CHECK_STARTUP_PROGRESS(pod->startup_progress, PODHD_STARTUP_SETUP); + + podhd_dev_start(pod); + line6_read_serial_number(&pod->line6, &pod->serial_number); + + podhd_startup_finalize(pod); +} + +static int podhd_startup_finalize(struct usb_line6_podhd *pod) +{ + struct usb_line6 *line6 = &pod->line6; + + /* ALSA audio interface: */ + return snd_card_register(line6->card); +} + +static void podhd_disconnect(struct usb_line6 *line6) +{ + struct usb_line6_podhd *pod = (struct usb_line6_podhd *)line6; + + if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) { + del_timer_sync(&pod->startup_timer); + cancel_work_sync(&pod->startup_work); + } +} + +/* Try to init POD HD device. */ static int podhd_init(struct usb_line6 *line6, const struct usb_device_id *id) { int err; + struct usb_line6_podhd *pod = (struct usb_line6_podhd *) line6; - /* initialize MIDI subsystem: */ - err = line6_init_midi(line6); - if (err < 0) - return err; + line6->disconnect = podhd_disconnect; - /* initialize PCM subsystem: */ - err = line6_init_pcm(line6, &podhd_pcm_properties); - if (err < 0) - return err; + if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) { + /* create sysfs entries: */ + err = snd_card_add_dev_attr(line6->card, &podhd_dev_attr_group); + if (err < 0) + return err; + } - /* register USB audio system: */ - return snd_card_register(line6->card); + if (pod->line6.properties->capabilities & LINE6_CAP_PCM) { + /* initialize PCM subsystem: */ + err = line6_init_pcm(line6, + (id->driver_info == LINE6_PODX3 || + id->driver_info == LINE6_PODX3LIVE) ? &podx3_pcm_properties : + &podhd_pcm_properties); + if (err < 0) + return err; + } + + if (!(pod->line6.properties->capabilities & LINE6_CAP_CONTROL)) { + /* register USB audio system directly */ + return podhd_startup_finalize(pod); + } + + /* init device and delay registering */ + init_timer(&pod->startup_timer); + INIT_WORK(&pod->startup_work, podhd_startup_workqueue); + podhd_startup(pod); + return 0; } #define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod) @@ -103,10 +341,13 @@ static int podhd_init(struct usb_line6 *line6, /* table of devices that work with this driver */ static const struct usb_device_id podhd_id_table[] = { + /* TODO: no need to alloc data interfaces when only audio is used */ { LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 }, { LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 }, { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500_0 }, { LINE6_IF_NUM(0x414D, 1), .driver_info = LINE6_PODHD500_1 }, + { LINE6_IF_NUM(0x414A, 0), .driver_info = LINE6_PODX3 }, + { LINE6_IF_NUM(0x414B, 0), .driver_info = LINE6_PODX3LIVE }, {} }; @@ -116,8 +357,7 @@ static const struct line6_properties podhd_properties_table[] = { [LINE6_PODHD300] = { .id = "PODHD300", .name = "POD HD300", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM + .capabilities = LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 5, .ep_ctrl_r = 0x84, @@ -128,8 +368,7 @@ static const struct line6_properties podhd_properties_table[] = { [LINE6_PODHD400] = { .id = "PODHD400", .name = "POD HD400", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM + .capabilities = LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 5, .ep_ctrl_r = 0x84, @@ -140,8 +379,7 @@ static const struct line6_properties podhd_properties_table[] = { [LINE6_PODHD500_0] = { .id = "PODHD500", .name = "POD HD500", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM + .capabilities = LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 1, .ep_ctrl_r = 0x81, @@ -152,8 +390,7 @@ static const struct line6_properties podhd_properties_table[] = { [LINE6_PODHD500_1] = { .id = "PODHD500", .name = "POD HD500", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM + .capabilities = LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 1, .ep_ctrl_r = 0x81, @@ -161,6 +398,28 @@ static const struct line6_properties podhd_properties_table[] = { .ep_audio_r = 0x86, .ep_audio_w = 0x02, }, + [LINE6_PODX3] = { + .id = "PODX3", + .name = "POD X3", + .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT, + .altsetting = 1, + .ep_ctrl_r = 0x81, + .ep_ctrl_w = 0x01, + .ep_audio_r = 0x86, + .ep_audio_w = 0x02, + }, + [LINE6_PODX3LIVE] = { + .id = "PODX3LIVE", + .name = "POD X3 LIVE", + .capabilities = LINE6_CAP_CONTROL + | LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT, + .altsetting = 1, + .ep_ctrl_r = 0x81, + .ep_ctrl_w = 0x01, + .ep_audio_r = 0x86, + .ep_audio_w = 0x02, + }, }; /* @@ -171,7 +430,7 @@ static int podhd_probe(struct usb_interface *interface, { return line6_probe(interface, id, "Line6-PODHD", &podhd_properties_table[id->driver_info], - podhd_init, sizeof(struct usb_line6)); + podhd_init, sizeof(struct usb_line6_podhd)); } static struct usb_driver podhd_driver = { |
