diff options
Diffstat (limited to 'drivers/staging/line6/pod.c')
-rw-r--r-- | drivers/staging/line6/pod.c | 774 |
1 files changed, 470 insertions, 304 deletions
diff --git a/drivers/staging/line6/pod.c b/drivers/staging/line6/pod.c index 28f5146..22e2ced 100644 --- a/drivers/staging/line6/pod.c +++ b/drivers/staging/line6/pod.c @@ -1,7 +1,7 @@ /* - * Line6 Linux USB driver - 0.8.0 + * Line6 Linux USB driver - 0.9.1beta * - * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at) + * 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 @@ -9,20 +9,21 @@ * */ -#include "driver.h" - #include <linux/slab.h> +#include <linux/wait.h> +#include <sound/control.h> #include "audio.h" #include "capture.h" #include "control.h" +#include "driver.h" #include "playback.h" #include "pod.h" - #define POD_SYSEX_CODE 3 -#define POD_BYTES_PER_FRAME 6 /* 24bit audio (stereo) */ +#define POD_BYTES_PER_FRAME 6 /* 24bit audio (stereo) */ +/* *INDENT-OFF* */ enum { POD_SYSEX_CLIP = 0x0f, @@ -45,9 +46,11 @@ enum { POD_tuner_freq = 0x15, POD_tuner_note = 0x16, POD_tuner_pitch = 0x17, - POD_system_invalid = 0x7fff + POD_system_invalid = 0x10000 }; +/* *INDENT-ON* */ + enum { POD_DUMP_MEMORY = 2 }; @@ -60,7 +63,6 @@ enum { POD_BUSY_MIDISEND }; - static struct snd_ratden pod_ratden = { .num_min = 78125, .num_max = 78125, @@ -69,54 +71,65 @@ static struct snd_ratden pod_ratden = { }; 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 | - 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 = LINE6_ISO_PACKET_SIZE_MAX * POD_BYTES_PER_FRAME, /* at least one URB must fit into one period */ - .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_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 = LINE6_ISO_PACKET_SIZE_MAX * POD_BYTES_PER_FRAME, /* at least one URB must fit into one period */ - .period_bytes_max = 8192, - .periods_min = 1, - .periods_max = 1024 - }, + .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 - }, + .nrats = 1, + .rats = &pod_ratden}, .bytes_per_frame = POD_BYTES_PER_FRAME }; -static const char pod_request_version[] = { 0xf0, 0x7e, 0x7f, 0x06, 0x01, 0xf7 }; -static const char pod_request_channel[] = { 0xf0, 0x00, 0x01, 0x0c, 0x03, 0x75, 0xf7 }; -static const char pod_version_header[] = { 0xf2, 0x7e, 0x7f, 0x06, 0x02 }; +static const char pod_request_channel[] = { + 0xf0, 0x00, 0x01, 0x0c, 0x03, 0x75, 0xf7 +}; + +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 void pod_startup4(struct usb_line6_pod *pod); /* Mark all parameters as dirty and notify waiting processes. @@ -129,63 +142,11 @@ static void pod_mark_batch_all_dirty(struct usb_line6_pod *pod) set_bit(i, pod->param_dirty); } -/* - Send an asynchronous request for the POD firmware version and device ID. -*/ -static int pod_version_request_async(struct usb_line6_pod *pod) -{ - return line6_send_raw_message_async(&pod->line6, pod->buffer_versionreq, sizeof(pod_request_version)); -} - -static void pod_create_files_work(struct work_struct *work) -{ - struct usb_line6_pod *pod = container_of(work, struct usb_line6_pod, create_files_work); - - pod_create_files(pod->firmware_version, pod->line6.properties->device_bit, pod->line6.ifcdev); -} - -static void pod_startup_timeout(unsigned long arg) -{ - enum { - REQUEST_NONE, - REQUEST_DUMP, - REQUEST_VERSION - }; - - int request = REQUEST_NONE; - struct usb_line6_pod *pod = (struct usb_line6_pod *)arg; - - if (pod->dumpreq.ok) { - if (!pod->versionreq_ok) - request = REQUEST_VERSION; - } else { - if (pod->versionreq_ok) - request = REQUEST_DUMP; - else if (pod->startup_count++ & 1) - request = REQUEST_DUMP; - else - request = REQUEST_VERSION; - } - - switch (request) { - case REQUEST_DUMP: - line6_dump_request_async(&pod->dumpreq, &pod->line6, 0); - break; - - case REQUEST_VERSION: - pod_version_request_async(pod); - break; - - default: - return; - } - - line6_startup_delayed(&pod->dumpreq, 1, pod_startup_timeout, pod); -} - -static char *pod_alloc_sysex_buffer(struct usb_line6_pod *pod, int code, int size) +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); + return line6_alloc_sysex_buffer(&pod->line6, POD_SYSEX_CODE, code, + size); } /* @@ -218,9 +179,10 @@ static void pod_store_parameter(struct usb_line6_pod *pod, int param, int value) } /* - Handle SAVE button + Handle SAVE button. */ -static void pod_save_button_pressed(struct usb_line6_pod *pod, int type, int index) +static void pod_save_button_pressed(struct usb_line6_pod *pod, int type, + int index) { pod->dirty = 0; set_bit(POD_SAVE_PRESSED, &pod->atomic_flags); @@ -229,7 +191,7 @@ static void pod_save_button_pressed(struct usb_line6_pod *pod, int type, int ind /* Process a completely received message. */ -void pod_process_message(struct usb_line6_pod *pod) +void line6_pod_process_message(struct usb_line6_pod *pod) { const unsigned char *buf = pod->line6.buffer_message; @@ -238,10 +200,10 @@ void pod_process_message(struct usb_line6_pod *pod) case LINE6_PARAM_CHANGE: case LINE6_PROGRAM_CHANGE: case LINE6_SYSEX_BEGIN: - break; /* handle these further down */ + break; /* handle these further down */ default: - return; /* ignore all others */ + return; /* ignore all others */ } /* process all remaining messages */ @@ -254,7 +216,8 @@ void pod_process_message(struct usb_line6_pod *pod) if ((buf[1] == POD_amp_model_setup) || (buf[1] == POD_effect_setup)) /* these also affect other settings */ - line6_dump_request_async(&pod->dumpreq, &pod->line6, 0); + line6_dump_request_async(&pod->dumpreq, &pod->line6, 0, + LINE6_DUMP_CURRENT); break; @@ -263,7 +226,8 @@ void pod_process_message(struct usb_line6_pod *pod) pod->channel_num = buf[1]; pod->dirty = 0; set_bit(POD_CHANNEL_DIRTY, &pod->atomic_flags); - line6_dump_request_async(&pod->dumpreq, &pod->line6, 0); + line6_dump_request_async(&pod->dumpreq, &pod->line6, 0, + LINE6_DUMP_CURRENT); break; case LINE6_SYSEX_BEGIN | LINE6_CHANNEL_DEVICE: @@ -271,54 +235,82 @@ void pod_process_message(struct usb_line6_pod *pod) if (memcmp(buf + 1, line6_midi_id, sizeof(line6_midi_id)) == 0) { switch (buf[5]) { case POD_SYSEX_DUMP: - if (pod->line6.message_length == sizeof(pod->prog_data) + 7) { + if (pod->line6.message_length == + sizeof(pod->prog_data) + 7) { switch (pod->dumpreq.in_progress) { case LINE6_DUMP_CURRENT: - memcpy(&pod->prog_data, buf + 7, sizeof(pod->prog_data)); + memcpy(&pod->prog_data, buf + 7, + sizeof(pod->prog_data)); pod_mark_batch_all_dirty(pod); - pod->dumpreq.ok = 1; break; case POD_DUMP_MEMORY: - memcpy(&pod->prog_data_buf, buf + 7, sizeof(pod->prog_data_buf)); + memcpy(&pod->prog_data_buf, + buf + 7, + sizeof + (pod->prog_data_buf)); break; default: - DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown dump code %02X\n", pod->dumpreq.in_progress)); + DEBUG_MESSAGES(dev_err + (pod-> + line6.ifcdev, + "unknown dump code %02X\n", + pod-> + dumpreq.in_progress)); } line6_dump_finished(&pod->dumpreq); + pod_startup3(pod); } else - DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "wrong size of channel dump message (%d instead of %d)\n", - pod->line6.message_length, (int)sizeof(pod->prog_data) + 7)); + DEBUG_MESSAGES(dev_err + (pod->line6.ifcdev, + "wrong size of channel dump message (%d instead of %d)\n", + pod-> + line6.message_length, + (int) + sizeof(pod->prog_data) + + 7)); break; - case POD_SYSEX_SYSTEM: { - short value = ((int)buf[7] << 12) | ((int)buf[8] << 8) | ((int)buf[9] << 4) | (int)buf[10]; + case POD_SYSEX_SYSTEM:{ + short value = + ((int)buf[7] << 12) | ((int)buf[8] + << 8) | + ((int)buf[9] << 4) | (int)buf[10]; #define PROCESS_SYSTEM_PARAM(x) \ case POD_ ## x: \ pod->x.value = value; \ - wake_up_interruptible(&pod->x.wait); \ + wake_up(&pod->x.wait); \ break; - switch (buf[6]) { - PROCESS_SYSTEM_PARAM(monitor_level); - PROCESS_SYSTEM_PARAM(routing); - PROCESS_SYSTEM_PARAM(tuner_mute); - PROCESS_SYSTEM_PARAM(tuner_freq); - PROCESS_SYSTEM_PARAM(tuner_note); - PROCESS_SYSTEM_PARAM(tuner_pitch); + switch (buf[6]) { + PROCESS_SYSTEM_PARAM + (monitor_level); + PROCESS_SYSTEM_PARAM(routing); + PROCESS_SYSTEM_PARAM + (tuner_mute); + PROCESS_SYSTEM_PARAM + (tuner_freq); + PROCESS_SYSTEM_PARAM + (tuner_note); + PROCESS_SYSTEM_PARAM + (tuner_pitch); #undef PROCESS_SYSTEM_PARAM - default: - DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown tuner/system response %02X\n", buf[6])); - } + default: + DEBUG_MESSAGES(dev_err + (pod-> + line6.ifcdev, + "unknown tuner/system response %02X\n", + buf[6])); + } - break; - } + break; + } case POD_SYSEX_FINISH: /* do we need to respond to this? */ @@ -329,32 +321,40 @@ void pod_process_message(struct usb_line6_pod *pod) break; case POD_SYSEX_CLIP: - DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "audio clipped\n")); + DEBUG_MESSAGES(dev_err + (pod->line6.ifcdev, + "audio clipped\n")); pod->clipping.value = 1; - wake_up_interruptible(&pod->clipping.wait); + wake_up(&pod->clipping.wait); break; case POD_SYSEX_STORE: - DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "message %02X not yet implemented\n", buf[5])); + DEBUG_MESSAGES(dev_err + (pod->line6.ifcdev, + "message %02X not yet implemented\n", + buf[5])); break; default: - DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown sysex message %02X\n", buf[5])); + DEBUG_MESSAGES(dev_err + (pod->line6.ifcdev, + "unknown sysex message %02X\n", + buf[5])); } - } else if (memcmp(buf, pod_version_header, sizeof(pod_version_header)) == 0) { - if (pod->versionreq_ok == 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->versionreq_ok = 1; - - /* Now we know the firmware version, so we schedule a bottom half - handler to create the special files: */ - INIT_WORK(&pod->create_files_work, pod_create_files_work); - queue_work(line6_workqueue, &pod->create_files_work); - } else - DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "multiple firmware version message\n")); } else - DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown sysex header\n")); + 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_startup4(pod); + } else + DEBUG_MESSAGES(dev_err + (pod->line6.ifcdev, + "unknown sysex header\n")); break; @@ -362,7 +362,9 @@ void pod_process_message(struct usb_line6_pod *pod) break; default: - DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "POD: unknown message %02X\n", buf[0])); + DEBUG_MESSAGES(dev_err + (pod->line6.ifcdev, + "POD: unknown message %02X\n", buf[0])); } } @@ -377,7 +379,8 @@ void pod_process_message(struct usb_line6_pod *pod) *) This method fails if a param change message is "chopped" after the first byte. */ -void pod_midi_postprocess(struct usb_line6_pod *pod, unsigned char *data, int length) +void line6_pod_midi_postprocess(struct usb_line6_pod *pod, unsigned char *data, + int length) { int i; @@ -388,8 +391,11 @@ void pod_midi_postprocess(struct usb_line6_pod *pod, unsigned char *data, int le if (data[i] == (LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST)) { line6_invalidate_current(&pod->dumpreq); break; - } else if ((data[i] == (LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST)) && (i < length - 1)) - if ((data[i + 1] == POD_amp_model_setup) || (data[i + 1] == POD_effect_setup)) { + } else + if ((data[i] == (LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST)) + && (i < length - 1)) + if ((data[i + 1] == POD_amp_model_setup) + || (data[i + 1] == POD_effect_setup)) { line6_invalidate_current(&pod->dumpreq); break; } @@ -412,19 +418,21 @@ static void pod_send_channel(struct usb_line6_pod *pod, int value) /* Transmit PODxt Pro control parameter. */ -void pod_transmit_parameter(struct usb_line6_pod *pod, int param, int value) +void line6_pod_transmit_parameter(struct usb_line6_pod *pod, int param, + int value) { if (line6_transmit_parameter(&pod->line6, param, value) == 0) pod_store_parameter(pod, param, value); - if ((param == POD_amp_model_setup) || (param == POD_effect_setup)) /* these also affect other settings */ + if ((param == POD_amp_model_setup) || (param == POD_effect_setup)) /* these also affect other settings */ line6_invalidate_current(&pod->dumpreq); } /* Resolve value to memory location. */ -static int pod_resolve(const char *buf, short block0, short block1, unsigned char *location) +static int pod_resolve(const char *buf, short block0, short block1, + unsigned char *location) { unsigned long value; short block; @@ -444,7 +452,8 @@ static int pod_resolve(const char *buf, short block0, short block1, unsigned cha /* Send command to store channel/effects setup/amp setup to PODxt Pro. */ -static ssize_t pod_send_store_command(struct device *dev, const char *buf, size_t count, short block0, short block1) +static ssize_t pod_send_store_command(struct device *dev, const char *buf, + size_t count, short block0, short block1) { struct usb_interface *interface = to_usb_interface(dev); struct usb_line6_pod *pod = usb_get_intfdata(interface); @@ -455,14 +464,15 @@ static ssize_t pod_send_store_command(struct device *dev, const char *buf, size_ if (!sysex) return 0; - sysex[SYSEX_DATA_OFS] = 5; /* see pod_dump() */ + sysex[SYSEX_DATA_OFS] = 5; /* see pod_dump() */ ret = pod_resolve(buf, block0, block1, sysex + SYSEX_DATA_OFS + 1); if (ret) { kfree(sysex); return ret; } - memcpy(sysex + SYSEX_DATA_OFS + 3, &pod->prog_data_buf, sizeof(pod->prog_data_buf)); + memcpy(sysex + SYSEX_DATA_OFS + 3, &pod->prog_data_buf, + sizeof(pod->prog_data_buf)); line6_send_sysex_message(&pod->line6, sysex, size); kfree(sysex); @@ -473,7 +483,9 @@ static ssize_t pod_send_store_command(struct device *dev, const char *buf, size_ /* Send command to retrieve channel/effects setup/amp setup to PODxt Pro. */ -static ssize_t pod_send_retrieve_command(struct device *dev, const char *buf, size_t count, short block0, short block1) +static ssize_t pod_send_retrieve_command(struct device *dev, const char *buf, + size_t count, short block0, + short block1) { struct usb_interface *interface = to_usb_interface(dev); struct usb_line6_pod *pod = usb_get_intfdata(interface); @@ -504,14 +516,15 @@ static ssize_t pod_send_retrieve_command(struct device *dev, const char *buf, si /* Generic get name function. */ -static ssize_t get_name_generic(struct usb_line6_pod *pod, const char *str, char *buf) +static ssize_t get_name_generic(struct usb_line6_pod *pod, const char *str, + char *buf) { int length = 0; const char *p1; char *p2; char *last_non_space = buf; - int retval = line6_wait_dump(&pod->dumpreq, 0); + int retval = line6_dump_wait_interruptible(&pod->dumpreq); if (retval < 0) return retval; @@ -566,7 +579,8 @@ static ssize_t pod_get_name(struct device *dev, struct device_attribute *attr, { struct usb_interface *interface = to_usb_interface(dev); struct usb_line6_pod *pod = usb_get_intfdata(interface); - return get_name_generic(pod, pod->prog_data.header + POD_NAME_OFFSET, buf); + return get_name_generic(pod, pod->prog_data.header + POD_NAME_OFFSET, + buf); } /* @@ -577,7 +591,9 @@ static ssize_t pod_get_name_buf(struct device *dev, { struct usb_interface *interface = to_usb_interface(dev); struct usb_line6_pod *pod = usb_get_intfdata(interface); - return get_name_generic(pod, pod->prog_data_buf.header + POD_NAME_OFFSET, buf); + return get_name_generic(pod, + pod->prog_data_buf.header + POD_NAME_OFFSET, + buf); } /* @@ -588,7 +604,7 @@ static ssize_t pod_get_dump(struct device *dev, struct device_attribute *attr, { struct usb_interface *interface = to_usb_interface(dev); struct usb_line6_pod *pod = usb_get_intfdata(interface); - int retval = line6_wait_dump(&pod->dumpreq, 0); + int retval = line6_dump_wait_interruptible(&pod->dumpreq); if (retval < 0) return retval; memcpy(buf, &pod->prog_data, sizeof(pod->prog_data)); @@ -606,8 +622,8 @@ static ssize_t pod_set_dump(struct device *dev, struct device_attribute *attr, if (count != sizeof(pod->prog_data)) { dev_err(pod->line6.ifcdev, - "data block must be exactly %zu bytes\n", - sizeof(pod->prog_data)); + "data block must be exactly %d bytes\n", + (int)sizeof(pod->prog_data)); return -EINVAL; } @@ -616,86 +632,116 @@ static ssize_t pod_set_dump(struct device *dev, struct device_attribute *attr, } /* - Request system parameter. + Identify system parameters related to the tuner. +*/ +static bool pod_is_tuner(int code) +{ + return + (code == POD_tuner_mute) || + (code == POD_tuner_freq) || + (code == POD_tuner_note) || (code == POD_tuner_pitch); +} + +/* + Get system parameter (as integer). @param tuner non-zero, if code refers to a tuner parameter */ -static ssize_t pod_get_system_param(struct usb_line6_pod *pod, char *buf, int code, struct ValueWait *param, int tuner, int sign) +static int pod_get_system_param_int(struct usb_line6_pod *pod, int *value, + int code, struct ValueWait *param, int sign) { char *sysex; - int value; static const int size = 1; int retval = 0; - DECLARE_WAITQUEUE(wait, current); - if (((pod->prog_data.control[POD_tuner] & 0x40) == 0) && tuner) + if (((pod->prog_data.control[POD_tuner] & 0x40) == 0) + && pod_is_tuner(code)) return -ENODEV; - /* send value request to tuner: */ + /* send value request to device: */ param->value = POD_system_invalid; sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_SYSTEMREQ, size); + if (!sysex) - return 0; + return -ENOMEM; + sysex[SYSEX_DATA_OFS] = code; line6_send_sysex_message(&pod->line6, sysex, size); kfree(sysex); - /* wait for tuner to respond: */ - add_wait_queue(¶m->wait, &wait); - current->state = TASK_INTERRUPTIBLE; + /* wait for device to respond: */ + retval = + wait_event_interruptible(param->wait, + param->value != POD_system_invalid); - while (param->value == POD_system_invalid) { - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } else - schedule(); - } + if (retval < 0) + return retval; + + *value = sign ? (int)(signed short)param->value : (int)(unsigned short) + param->value; - current->state = TASK_RUNNING; - remove_wait_queue(¶m->wait, &wait); + if (*value == POD_system_invalid) + *value = 0; /* don't report uninitialized values */ + + return 0; +} + +/* + Get system parameter (as string). + @param tuner non-zero, if code refers to a tuner parameter +*/ +static ssize_t pod_get_system_param_string(struct usb_line6_pod *pod, char *buf, + int code, struct ValueWait *param, + int sign) +{ + int retval, value = 0; + retval = pod_get_system_param_int(pod, &value, code, param, sign); if (retval < 0) return retval; - value = sign ? (int)(signed short)param->value : (int)(unsigned short)param->value; return sprintf(buf, "%d\n", value); } /* - Send system parameter. + Send system parameter (from integer). @param tuner non-zero, if code refers to a tuner parameter */ -static ssize_t pod_set_system_param(struct usb_line6_pod *pod, const char *buf, - int count, int code, unsigned short mask, - int tuner) +static int pod_set_system_param_int(struct usb_line6_pod *pod, int value, + int code) { char *sysex; static const int size = 5; - unsigned short value; - unsigned long result; - int ret; - if (((pod->prog_data.control[POD_tuner] & 0x40) == 0) && tuner) + if (((pod->prog_data.control[POD_tuner] & 0x40) == 0) + && pod_is_tuner(code)) return -EINVAL; /* send value to tuner: */ sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_SYSTEM, size); if (!sysex) - return 0; - - ret = strict_strtoul(buf, 10, &result); - if (ret) - return ret; - - value = result & mask; + 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; + 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 count; + return 0; +} + +/* + Send system parameter (from string). + @param tuner non-zero, if code refers to a tuner parameter +*/ +static ssize_t pod_set_system_param_string(struct usb_line6_pod *pod, + const char *buf, int count, int code, + unsigned short mask) +{ + int retval; + unsigned short value = simple_strtoul(buf, NULL, 10) & mask; + retval = pod_set_system_param_int(pod, value, code); + return (retval < 0) ? retval : count; } /* @@ -706,7 +752,7 @@ static ssize_t pod_get_dump_buf(struct device *dev, { struct usb_interface *interface = to_usb_interface(dev); struct usb_line6_pod *pod = usb_get_intfdata(interface); - int retval = line6_wait_dump(&pod->dumpreq, 0); + int retval = line6_dump_wait_interruptible(&pod->dumpreq); if (retval < 0) return retval; memcpy(buf, &pod->prog_data_buf, sizeof(pod->prog_data_buf)); @@ -725,8 +771,8 @@ static ssize_t pod_set_dump_buf(struct device *dev, if (count != sizeof(pod->prog_data)) { dev_err(pod->line6.ifcdev, - "data block must be exactly %zu bytes\n", - sizeof(pod->prog_data)); + "data block must be exactly %d bytes\n", + (int)sizeof(pod->prog_data)); return -EINVAL; } @@ -900,87 +946,203 @@ static ssize_t pod_wait_for_clip(struct device *dev, { struct usb_interface *interface = to_usb_interface(dev); struct usb_line6_pod *pod = usb_get_intfdata(interface); - int err = 0; - DECLARE_WAITQUEUE(wait, current); - pod->clipping.value = 0; - add_wait_queue(&pod->clipping.wait, &wait); - current->state = TASK_INTERRUPTIBLE; - - while (pod->clipping.value == 0) { - if (signal_pending(current)) { - err = -ERESTARTSYS; - break; - } else - schedule(); - } + return wait_event_interruptible(pod->clipping.wait, + pod->clipping.value != 0); +} - current->state = TASK_RUNNING; - remove_wait_queue(&pod->clipping.wait, &wait); - return err; +/* + 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; + + /* schedule another startup procedure until startup is complete: */ + if (pod->startup_progress >= POD_STARTUP_LAST) + return; + + pod->startup_progress = POD_STARTUP_DUMPREQ; + line6_start_timer(&pod->startup_timer, POD_STARTUP_DELAY, pod_startup2, + (unsigned long)pod); + + /* current channel dump: */ + line6_dump_request_async(&pod->dumpreq, &pod->line6, 0, + LINE6_DUMP_CURRENT); +} + +static void pod_startup3(struct usb_line6_pod *pod) +{ + 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_startup4(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); } -#define POD_GET_SYSTEM_PARAM(code, tuner, sign) \ +static void pod_startup5(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); + + /* device files: */ + line6_pod_create_files(pod->firmware_version, + line6->properties->device_bit, line6->ifcdev); +} + +#define POD_GET_SYSTEM_PARAM(code, sign) \ static ssize_t pod_get_ ## code(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 pod_get_system_param(pod, buf, POD_ ## code, &pod->code, \ - tuner, sign); \ + return pod_get_system_param_string(pod, buf, POD_ ## code, \ + &pod->code, sign); \ } -#define POD_GET_SET_SYSTEM_PARAM(code, mask, tuner, sign) \ -POD_GET_SYSTEM_PARAM(code, tuner, sign) \ +#define POD_GET_SET_SYSTEM_PARAM(code, mask, sign) \ +POD_GET_SYSTEM_PARAM(code, sign) \ static ssize_t pod_set_ ## code(struct device *dev, \ struct device_attribute *attr, \ const char *buf, size_t count) \ { \ struct usb_interface *interface = to_usb_interface(dev); \ struct usb_line6_pod *pod = usb_get_intfdata(interface); \ - return pod_set_system_param(pod, buf, count, POD_ ## code, mask, \ - tuner); \ + return pod_set_system_param_string(pod, buf, count, POD_ ## code, mask); \ } -POD_GET_SET_SYSTEM_PARAM(monitor_level, 0xffff, 0, 0); -POD_GET_SET_SYSTEM_PARAM(routing, 0x0003, 0, 0); -POD_GET_SET_SYSTEM_PARAM(tuner_mute, 0x0001, 1, 0); -POD_GET_SET_SYSTEM_PARAM(tuner_freq, 0xffff, 1, 0); -POD_GET_SYSTEM_PARAM(tuner_note, 1, 1); -POD_GET_SYSTEM_PARAM(tuner_pitch, 1, 1); +POD_GET_SET_SYSTEM_PARAM(monitor_level, 0xffff, 0); +POD_GET_SET_SYSTEM_PARAM(routing, 0x0003, 0); +POD_GET_SET_SYSTEM_PARAM(tuner_mute, 0x0001, 0); +POD_GET_SET_SYSTEM_PARAM(tuner_freq, 0xffff, 0); +POD_GET_SYSTEM_PARAM(tuner_note, 1); +POD_GET_SYSTEM_PARAM(tuner_pitch, 1); #undef GET_SET_SYSTEM_PARAM #undef GET_SYSTEM_PARAM /* POD special files: */ -static DEVICE_ATTR(channel, S_IWUGO | S_IRUGO, pod_get_channel, pod_set_channel); +static DEVICE_ATTR(channel, S_IWUGO | S_IRUGO, pod_get_channel, + pod_set_channel); static DEVICE_ATTR(clip, S_IRUGO, pod_wait_for_clip, line6_nop_write); static DEVICE_ATTR(device_id, S_IRUGO, pod_get_device_id, line6_nop_write); static DEVICE_ATTR(dirty, S_IRUGO, pod_get_dirty, line6_nop_write); static DEVICE_ATTR(dump, S_IWUGO | S_IRUGO, pod_get_dump, pod_set_dump); -static DEVICE_ATTR(dump_buf, S_IWUGO | S_IRUGO, pod_get_dump_buf, pod_set_dump_buf); +static DEVICE_ATTR(dump_buf, S_IWUGO | S_IRUGO, pod_get_dump_buf, + pod_set_dump_buf); static DEVICE_ATTR(finish, S_IWUGO, line6_nop_read, pod_set_finish); -static DEVICE_ATTR(firmware_version, S_IRUGO, pod_get_firmware_version, line6_nop_write); -static DEVICE_ATTR(midi_postprocess, S_IWUGO | S_IRUGO, pod_get_midi_postprocess, pod_set_midi_postprocess); -static DEVICE_ATTR(monitor_level, S_IWUGO | S_IRUGO, pod_get_monitor_level, pod_set_monitor_level); +static DEVICE_ATTR(firmware_version, S_IRUGO, pod_get_firmware_version, + line6_nop_write); +static DEVICE_ATTR(midi_postprocess, S_IWUGO | S_IRUGO, + pod_get_midi_postprocess, pod_set_midi_postprocess); +static DEVICE_ATTR(monitor_level, S_IWUGO | S_IRUGO, pod_get_monitor_level, + pod_set_monitor_level); static DEVICE_ATTR(name, S_IRUGO, pod_get_name, line6_nop_write); static DEVICE_ATTR(name_buf, S_IRUGO, pod_get_name_buf, line6_nop_write); -static DEVICE_ATTR(retrieve_amp_setup, S_IWUGO, line6_nop_read, pod_set_retrieve_amp_setup); -static DEVICE_ATTR(retrieve_channel, S_IWUGO, line6_nop_read, pod_set_retrieve_channel); -static DEVICE_ATTR(retrieve_effects_setup, S_IWUGO, line6_nop_read, pod_set_retrieve_effects_setup); -static DEVICE_ATTR(routing, S_IWUGO | S_IRUGO, pod_get_routing, pod_set_routing); -static DEVICE_ATTR(serial_number, S_IRUGO, pod_get_serial_number, line6_nop_write); -static DEVICE_ATTR(store_amp_setup, S_IWUGO, line6_nop_read, pod_set_store_amp_setup); -static DEVICE_ATTR(store_channel, S_IWUGO, line6_nop_read, pod_set_store_channel); -static DEVICE_ATTR(store_effects_setup, S_IWUGO, line6_nop_read, pod_set_store_effects_setup); -static DEVICE_ATTR(tuner_freq, S_IWUGO | S_IRUGO, pod_get_tuner_freq, pod_set_tuner_freq); -static DEVICE_ATTR(tuner_mute, S_IWUGO | S_IRUGO, pod_get_tuner_mute, pod_set_tuner_mute); +static DEVICE_ATTR(retrieve_amp_setup, S_IWUGO, line6_nop_read, + pod_set_retrieve_amp_setup); +static DEVICE_ATTR(retrieve_channel, S_IWUGO, line6_nop_read, + pod_set_retrieve_channel); +static DEVICE_ATTR(retrieve_effects_setup, S_IWUGO, line6_nop_read, + pod_set_retrieve_effects_setup); +static DEVICE_ATTR(routing, S_IWUGO | S_IRUGO, pod_get_routing, + pod_set_routing); +static DEVICE_ATTR(serial_number, S_IRUGO, pod_get_serial_number, + line6_nop_write); +static DEVICE_ATTR(store_amp_setup, S_IWUGO, line6_nop_read, + pod_set_store_amp_setup); +static DEVICE_ATTR(store_channel, S_IWUGO, line6_nop_read, + pod_set_store_channel); +static DEVICE_ATTR(store_effects_setup, S_IWUGO, line6_nop_read, + pod_set_store_effects_setup); +static DEVICE_ATTR(tuner_freq, S_IWUGO | S_IRUGO, pod_get_tuner_freq, + pod_set_tuner_freq); +static DEVICE_ATTR(tuner_mute, S_IWUGO | S_IRUGO, pod_get_tuner_mute, + pod_set_tuner_mute); static DEVICE_ATTR(tuner_note, S_IRUGO, pod_get_tuner_note, line6_nop_write); static DEVICE_ATTR(tuner_pitch, S_IRUGO, pod_get_tuner_pitch, line6_nop_write); -#if CREATE_RAW_FILE +#ifdef CONFIG_LINE6_USB_RAW static DEVICE_ATTR(raw, S_IWUGO, line6_nop_read, line6_set_raw); #endif +/* 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.value; + 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.value) + return 0; + + pod->monitor_level.value = 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. */ @@ -996,10 +1158,11 @@ static void pod_destruct(struct usb_interface *interface) return; line6_cleanup_audio(line6); + del_timer(&pod->startup_timer); + cancel_work_sync(&pod->startup_work); + /* free dump request data: */ line6_dumpreq_destruct(&pod->dumpreq); - - kfree(pod->buffer_versionreq); } /* @@ -1034,7 +1197,7 @@ static int pod_create_files2(struct device *dev) CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_note)); CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_pitch)); -#if CREATE_RAW_FILE +#ifdef CONFIG_LINE6_USB_RAW CHECK_RETURN(device_create_file(dev, &dev_attr_raw)); #endif @@ -1042,13 +1205,17 @@ static int pod_create_files2(struct device *dev) } /* - Init POD device. + Try to init POD device. */ -int pod_init(struct usb_interface *interface, struct usb_line6_pod *pod) +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_startup5); + if ((interface == NULL) || (pod == NULL)) return -ENODEV; @@ -1070,69 +1237,68 @@ int pod_init(struct usb_interface *interface, struct usb_line6_pod *pod) sizeof(pod_request_channel)); if (err < 0) { dev_err(&interface->dev, "Out of memory\n"); - pod_destruct(interface); - return -ENOMEM; - } - - pod->buffer_versionreq = kmemdup(pod_request_version, - sizeof(pod_request_version), - GFP_KERNEL); - - if (pod->buffer_versionreq == NULL) { - dev_err(&interface->dev, "Out of memory\n"); - pod_destruct(interface); return -ENOMEM; } /* create sysfs entries: */ err = pod_create_files2(&interface->dev); - if (err < 0) { - pod_destruct(interface); + if (err < 0) return err; - } /* initialize audio system: */ err = line6_init_audio(line6); - if (err < 0) { - pod_destruct(interface); + if (err < 0) return err; - } /* initialize MIDI subsystem: */ err = line6_init_midi(line6); - if (err < 0) { - pod_destruct(interface); + if (err < 0) return err; - } /* initialize PCM subsystem: */ err = line6_init_pcm(line6, &pod_pcm_properties); - if (err < 0) { - pod_destruct(interface); + if (err < 0) return err; - } - /* register audio system: */ - err = line6_register_audio(line6); - if (err < 0) { - pod_destruct(interface); + /* 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) { - /* query some data: */ - line6_startup_delayed(&pod->dumpreq, POD_STARTUP_DELAY, - pod_startup_timeout, pod); - line6_read_serial_number(&pod->line6, &pod->serial_number); + pod->monitor_level.value = 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 pod_disconnect(struct usb_interface *interface) +void line6_pod_disconnect(struct usb_interface *interface) { struct usb_line6_pod *pod; @@ -1144,15 +1310,14 @@ void pod_disconnect(struct usb_interface *interface) struct snd_line6_pcm *line6pcm = pod->line6.line6pcm; struct device *dev = &interface->dev; - if (line6pcm != NULL) { - unlink_wait_clear_audio_out_urbs(line6pcm); - unlink_wait_clear_audio_in_urbs(line6pcm); - } + if (line6pcm != NULL) + line6_pcm_disconnect(line6pcm); if (dev != NULL) { /* remove sysfs entries: */ - if (pod->versionreq_ok) - pod_remove_files(pod->firmware_version, pod->line6.properties->device_bit, dev); + line6_pod_remove_files(pod->firmware_version, + pod->line6. + properties->device_bit, dev); device_remove_file(dev, &dev_attr_channel); device_remove_file(dev, &dev_attr_clip); @@ -1168,7 +1333,8 @@ void pod_disconnect(struct usb_interface *interface) device_remove_file(dev, &dev_attr_name_buf); device_remove_file(dev, &dev_attr_retrieve_amp_setup); device_remove_file(dev, &dev_attr_retrieve_channel); - device_remove_file(dev, &dev_attr_retrieve_effects_setup); + device_remove_file(dev, + &dev_attr_retrieve_effects_setup); device_remove_file(dev, &dev_attr_routing); device_remove_file(dev, &dev_attr_serial_number); device_remove_file(dev, &dev_attr_store_amp_setup); @@ -1179,7 +1345,7 @@ void pod_disconnect(struct usb_interface *interface) device_remove_file(dev, &dev_attr_tuner_note); device_remove_file(dev, &dev_attr_tuner_pitch); -#if CREATE_RAW_FILE +#ifdef CONFIG_LINE6_USB_RAW device_remove_file(dev, &dev_attr_raw); #endif } |