diff options
Diffstat (limited to 'drivers/staging/line6/pod.c')
| -rw-r--r-- | drivers/staging/line6/pod.c | 458 |
1 files changed, 0 insertions, 458 deletions
diff --git a/drivers/staging/line6/pod.c b/drivers/staging/line6/pod.c deleted file mode 100644 index 44f4b2f98570..000000000000 --- a/drivers/staging/line6/pod.c +++ /dev/null @@ -1,458 +0,0 @@ -/* - * Line6 Linux USB driver - 0.9.1beta - * - * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at) - * - * 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/slab.h> -#include <linux/wait.h> -#include <sound/control.h> - -#include "audio.h" -#include "capture.h" -#include "driver.h" -#include "playback.h" -#include "pod.h" - -#define POD_SYSEX_CODE 3 -#define POD_BYTES_PER_FRAME 6 /* 24bit audio (stereo) */ - -/* *INDENT-OFF* */ - -enum { - POD_SYSEX_SAVE = 0x24, - POD_SYSEX_SYSTEM = 0x56, - POD_SYSEX_SYSTEMREQ = 0x57, - /* POD_SYSEX_UPDATE = 0x6c, */ /* software update! */ - POD_SYSEX_STORE = 0x71, - POD_SYSEX_FINISH = 0x72, - POD_SYSEX_DUMPMEM = 0x73, - POD_SYSEX_DUMP = 0x74, - POD_SYSEX_DUMPREQ = 0x75 - - /* dumps entire internal memory of PODxt Pro */ - /* POD_SYSEX_DUMPMEM2 = 0x76 */ -}; - -enum { - POD_MONITOR_LEVEL = 0x04, - POD_SYSTEM_INVALID = 0x10000 -}; - -/* *INDENT-ON* */ - -enum { - POD_DUMP_MEMORY = 2 -}; - -enum { - POD_BUSY_READ, - POD_BUSY_WRITE, - POD_CHANNEL_DIRTY, - POD_SAVE_PRESSED, - POD_BUSY_MIDISEND -}; - -static struct snd_ratden pod_ratden = { - .num_min = 78125, - .num_max = 78125, - .num_step = 1, - .den = 2 -}; - -static struct line6_pcm_properties pod_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 | -#ifdef CONFIG_PM - SNDRV_PCM_INFO_RESUME | -#endif - SNDRV_PCM_INFO_SYNC_START), - .formats = SNDRV_PCM_FMTBIT_S24_3LE, - .rates = SNDRV_PCM_RATE_KNOT, - .rate_min = 39062, - .rate_max = 39063, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 60000, - .period_bytes_min = 64, - .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 | -#ifdef CONFIG_PM - SNDRV_PCM_INFO_RESUME | -#endif - SNDRV_PCM_INFO_SYNC_START), - .formats = SNDRV_PCM_FMTBIT_S24_3LE, - .rates = SNDRV_PCM_RATE_KNOT, - .rate_min = 39062, - .rate_max = 39063, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 60000, - .period_bytes_min = 64, - .period_bytes_max = 8192, - .periods_min = 1, - .periods_max = 1024}, - .snd_line6_rates = { - .nrats = 1, - .rats = &pod_ratden}, - .bytes_per_frame = POD_BYTES_PER_FRAME -}; - -static const char pod_version_header[] = { - 0xf2, 0x7e, 0x7f, 0x06, 0x02 -}; - -/* forward declarations: */ -static void pod_startup2(unsigned long data); -static void pod_startup3(struct usb_line6_pod *pod); - -static char *pod_alloc_sysex_buffer(struct usb_line6_pod *pod, int code, - int size) -{ - return line6_alloc_sysex_buffer(&pod->line6, POD_SYSEX_CODE, code, - size); -} - -/* - Process a completely received message. -*/ -void line6_pod_process_message(struct usb_line6_pod *pod) -{ - const unsigned char *buf = pod->line6.buffer_message; - - if (memcmp(buf, pod_version_header, sizeof(pod_version_header)) == 0) { - pod->firmware_version = buf[13] * 100 + buf[14] * 10 + buf[15]; - pod->device_id = ((int)buf[8] << 16) | ((int)buf[9] << 8) | - (int) buf[10]; - pod_startup3(pod); - return; - } - - /* Only look for sysex messages from this device */ - if (buf[0] != (LINE6_SYSEX_BEGIN | LINE6_CHANNEL_DEVICE) && - buf[0] != (LINE6_SYSEX_BEGIN | LINE6_CHANNEL_UNKNOWN)) { - return; - } - if (memcmp(buf + 1, line6_midi_id, sizeof(line6_midi_id)) != 0) - return; - - if (buf[5] == POD_SYSEX_SYSTEM && buf[6] == POD_MONITOR_LEVEL) { - short value = ((int)buf[7] << 12) | ((int)buf[8] << 8) | - ((int)buf[9] << 4) | (int)buf[10]; - pod->monitor_level = value; - } -} - -/* - Transmit PODxt Pro control parameter. -*/ -void line6_pod_transmit_parameter(struct usb_line6_pod *pod, int param, - u8 value) -{ - line6_transmit_parameter(&pod->line6, param, value); -} - -/* - Send system parameter (from integer). -*/ -static int pod_set_system_param_int(struct usb_line6_pod *pod, int value, - int code) -{ - char *sysex; - static const int size = 5; - - sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_SYSTEM, size); - if (!sysex) - return -ENOMEM; - sysex[SYSEX_DATA_OFS] = code; - sysex[SYSEX_DATA_OFS + 1] = (value >> 12) & 0x0f; - sysex[SYSEX_DATA_OFS + 2] = (value >> 8) & 0x0f; - sysex[SYSEX_DATA_OFS + 3] = (value >> 4) & 0x0f; - sysex[SYSEX_DATA_OFS + 4] = (value) & 0x0f; - line6_send_sysex_message(&pod->line6, sysex, size); - kfree(sysex); - return 0; -} - -/* - "read" request on "serial_number" special file. -*/ -static ssize_t serial_number_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct usb_interface *interface = to_usb_interface(dev); - struct usb_line6_pod *pod = usb_get_intfdata(interface); - - return sprintf(buf, "%d\n", pod->serial_number); -} - -/* - "read" request on "firmware_version" special file. -*/ -static ssize_t firmware_version_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct usb_interface *interface = to_usb_interface(dev); - struct usb_line6_pod *pod = usb_get_intfdata(interface); - - return sprintf(buf, "%d.%02d\n", pod->firmware_version / 100, - pod->firmware_version % 100); -} - -/* - "read" request on "device_id" special file. -*/ -static ssize_t device_id_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct usb_interface *interface = to_usb_interface(dev); - struct usb_line6_pod *pod = usb_get_intfdata(interface); - - return sprintf(buf, "%d\n", pod->device_id); -} - -/* - POD startup procedure. - This is a sequence of functions with special requirements (e.g., must - not run immediately after initialization, must not run in interrupt - context). After the last one has finished, the device is ready to use. -*/ - -static void pod_startup1(struct usb_line6_pod *pod) -{ - CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_INIT); - - /* delay startup procedure: */ - line6_start_timer(&pod->startup_timer, POD_STARTUP_DELAY, pod_startup2, - (unsigned long)pod); -} - -static void pod_startup2(unsigned long data) -{ - struct usb_line6_pod *pod = (struct usb_line6_pod *)data; - struct usb_line6 *line6 = &pod->line6; - - CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_VERSIONREQ); - - /* request firmware version: */ - line6_version_request_async(line6); -} - -static void pod_startup3(struct usb_line6_pod *pod) -{ - CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_WORKQUEUE); - - /* schedule work for global work queue: */ - schedule_work(&pod->startup_work); -} - -static void pod_startup4(struct work_struct *work) -{ - struct usb_line6_pod *pod = - container_of(work, struct usb_line6_pod, startup_work); - struct usb_line6 *line6 = &pod->line6; - - CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_SETUP); - - /* serial number: */ - line6_read_serial_number(&pod->line6, &pod->serial_number); - - /* ALSA audio interface: */ - line6_register_audio(line6); -} - -/* POD special files: */ -static DEVICE_ATTR_RO(device_id); -static DEVICE_ATTR_RO(firmware_version); -static DEVICE_ATTR_RO(serial_number); - -/* control info callback */ -static int snd_pod_control_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 = 65535; - return 0; -} - -/* control get callback */ -static int snd_pod_control_monitor_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); - struct usb_line6_pod *pod = (struct usb_line6_pod *)line6pcm->line6; - - ucontrol->value.integer.value[0] = pod->monitor_level; - return 0; -} - -/* control put callback */ -static int snd_pod_control_monitor_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol); - struct usb_line6_pod *pod = (struct usb_line6_pod *)line6pcm->line6; - - if (ucontrol->value.integer.value[0] == pod->monitor_level) - return 0; - - pod->monitor_level = ucontrol->value.integer.value[0]; - pod_set_system_param_int(pod, ucontrol->value.integer.value[0], - POD_MONITOR_LEVEL); - return 1; -} - -/* control definition */ -static struct snd_kcontrol_new pod_control_monitor = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Monitor Playback Volume", - .index = 0, - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, - .info = snd_pod_control_monitor_info, - .get = snd_pod_control_monitor_get, - .put = snd_pod_control_monitor_put -}; - -/* - POD destructor. -*/ -static void pod_destruct(struct usb_interface *interface) -{ - struct usb_line6_pod *pod = usb_get_intfdata(interface); - - if (pod == NULL) - return; - line6_cleanup_audio(&pod->line6); - - del_timer(&pod->startup_timer); - cancel_work_sync(&pod->startup_work); -} - -/* - Create sysfs entries. -*/ -static int pod_create_files2(struct device *dev) -{ - int err; - - CHECK_RETURN(device_create_file(dev, &dev_attr_device_id)); - CHECK_RETURN(device_create_file(dev, &dev_attr_firmware_version)); - CHECK_RETURN(device_create_file(dev, &dev_attr_serial_number)); - return 0; -} - -/* - Try to init POD device. -*/ -static int pod_try_init(struct usb_interface *interface, - struct usb_line6_pod *pod) -{ - int err; - struct usb_line6 *line6 = &pod->line6; - - init_timer(&pod->startup_timer); - INIT_WORK(&pod->startup_work, pod_startup4); - - if ((interface == NULL) || (pod == NULL)) - return -ENODEV; - - /* create sysfs entries: */ - err = pod_create_files2(&interface->dev); - if (err < 0) - return err; - - /* initialize audio system: */ - err = line6_init_audio(line6); - if (err < 0) - return err; - - /* initialize MIDI subsystem: */ - err = line6_init_midi(line6); - if (err < 0) - return err; - - /* initialize PCM subsystem: */ - err = line6_init_pcm(line6, &pod_pcm_properties); - if (err < 0) - return err; - - /* register monitor control: */ - err = snd_ctl_add(line6->card, - snd_ctl_new1(&pod_control_monitor, line6->line6pcm)); - if (err < 0) - return err; - - /* - When the sound card is registered at this point, the PODxt Live - displays "Invalid Code Error 07", so we do it later in the event - handler. - */ - - if (pod->line6.properties->capabilities & LINE6_BIT_CONTROL) { - pod->monitor_level = POD_SYSTEM_INVALID; - - /* initiate startup procedure: */ - pod_startup1(pod); - } - - return 0; -} - -/* - Init POD device (and clean up in case of failure). -*/ -int line6_pod_init(struct usb_interface *interface, struct usb_line6_pod *pod) -{ - int err = pod_try_init(interface, pod); - - if (err < 0) - pod_destruct(interface); - - return err; -} - -/* - POD device disconnected. -*/ -void line6_pod_disconnect(struct usb_interface *interface) -{ - struct usb_line6_pod *pod; - - if (interface == NULL) - return; - pod = usb_get_intfdata(interface); - - if (pod != NULL) { - struct snd_line6_pcm *line6pcm = pod->line6.line6pcm; - struct device *dev = &interface->dev; - - if (line6pcm != NULL) - line6_pcm_disconnect(line6pcm); - - if (dev != NULL) { - /* remove sysfs entries: */ - device_remove_file(dev, &dev_attr_device_id); - device_remove_file(dev, &dev_attr_firmware_version); - device_remove_file(dev, &dev_attr_serial_number); - } - } - - pod_destruct(interface); -} |