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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-17 12:05:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-17 12:05:31 -0800
commita016af2e70bfca23f2f5de7d8708157b86ea374d (patch)
treebfe3c0c6ea9d52d4ec6ea021b0626a53c83e7d9f /sound/firewire/scs1x.c
parente535d74bc50df2357d3253f8f3ca48c66d0d892a (diff)
parentc3b1681375dc6e71d89a3ae00cc3ce9e775a8917 (diff)
downloadop-kernel-dev-a016af2e70bfca23f2f5de7d8708157b86ea374d.zip
op-kernel-dev-a016af2e70bfca23f2f5de7d8708157b86ea374d.tar.gz
Merge tag 'sound-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai: "We've had quite busy weeks in this cycle. Looking at ALSA core, the significant changes are a few fixes wrt timer and sequencer ioctls that have been revealed by fuzzer recently. Other than that, ASoC core got a few updates about DAI link handling, but these are rather straightforward refactoring. In drivers scene, ASoC received quite lots of new drivers in addition to bunch of updates for still ongoing Intel Skylake support and topology API. HD-audio gained a new HDMI/DP hotplug notification via component. FireWire got a pile of code refactoring/updates with SCS.1x driver integration. More highlights are shown below. [ NOTE: this contains also many commits for DRM. This is due to the pull of drm stable branch into sound tree, as the base of i915 audio component work for HD-audio. The highlights below don't contain these DRM changes, as these are supposed to be pulled via drm tree in anyway sooner or later. ] Core: - Handful fixes to harden ALSA timer and sequencer ioctls against races reported by syzkaller fuzzer - Irq description string can be unique to each card; only for HD-audio for now ASoC: - Conversion of the array of DAI links to a list for supporting dynamically adding and removing DAI links - Topology API enhancements to make everything more component based and being able to specify PCM links via topology - Some more fixes for the topology code, though it is still not final and ready for enabling in production; we really need to get to the point where that can be done - A pile of changes for Intel SkyLake drivers which hopefully deliver some useful initial functionality for systems with this chipset, though there is more work still to come - Lots of new features and cleanups for the Renesas drivers - ANC support for WM5110 - New drivers: Imagination Technologies IPs, Atmel class D speaker, Cirrus CS47L24 and WM1831, Dialog DA7128, Realtek RT5659 and RT56156, Rockchip RK3036, TI PC3168A, and AMD ACP - Rename PCM1792a driver to be generic pcm179x HD-Audio: - Use audio component for i915 HDMI/DP hotplug handling - On-demand binding with i915 driver - bdl_pos_adj parameter adjustment for Baytrail controllers - Enable power_save_node for CX20722; this shouldn't lead to regression, hopefully - Kabylake HDMI/DP codec support - Quirks for Lenovo E50-80, Dell Latitude E-series, and other Dell machines - A few code refactoring FireWire: - Lots of code cleanup and refactoring - Integrate the support of SCS.1x devices into snd-oxfw driver; snd-scs1x driver is obsoleted USB-audio: - Fix possible NULL dereference at disconnection - A regression fix for Native Instruments devices Misc: - A few code cleanups of fm801 driver" * tag 'sound-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (722 commits) ALSA: timer: Code cleanup ALSA: timer: Harden slave timer list handling ALSA: hda - Add fixup for Dell Latitidue E6540 ALSA: timer: Fix race among timer ioctls ALSA: hda - add codec support for Kabylake display audio codec ALSA: timer: Fix double unlink of active_list ALSA: usb-audio: Fix mixer ctl regression of Native Instrument devices ALSA: hda - fix the headset mic detection problem for a Dell laptop ALSA: hda - Fix white noise on Dell Latitude E5550 ALSA: hda_intel: add card number to irq description ALSA: seq: Fix race at timer setup and close ALSA: seq: Fix missing NULL check at remove_events ioctl ALSA: usb-audio: Avoid calling usb_autopm_put_interface() at disconnect ASoC: hdac_hdmi: remove unused hdac_hdmi_query_pin_connlist ASoC: AMD: Add missing include file ALSA: hda - Fixup inverted internal mic for Lenovo E50-80 ALSA: usb: Add native DSD support for Oppo HA-1 ASoC: Make aux_dev more like a generic component ASoC: bcm2835: cleanup includes by ordering them alphabetically ASoC: AMD: Manage ACP 2.x SRAM banks power ...
Diffstat (limited to 'sound/firewire/scs1x.c')
-rw-r--r--sound/firewire/scs1x.c530
1 files changed, 0 insertions, 530 deletions
diff --git a/sound/firewire/scs1x.c b/sound/firewire/scs1x.c
deleted file mode 100644
index 2dba848..0000000
--- a/sound/firewire/scs1x.c
+++ /dev/null
@@ -1,530 +0,0 @@
-/*
- * Stanton Control System 1 MIDI driver
- *
- * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
- * Licensed under the terms of the GNU General Public License, version 2.
- */
-
-#include <linux/device.h>
-#include <linux/firewire.h>
-#include <linux/firewire-constants.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/wait.h>
-#include <sound/core.h>
-#include <sound/initval.h>
-#include <sound/rawmidi.h>
-#include "lib.h"
-
-#define OUI_STANTON 0x001260
-#define MODEL_SCS_1M 0x001000
-#define MODEL_SCS_1D 0x002000
-
-#define HSS1394_ADDRESS 0xc007dedadadaULL
-#define HSS1394_MAX_PACKET_SIZE 64
-
-#define HSS1394_TAG_USER_DATA 0x00
-#define HSS1394_TAG_CHANGE_ADDRESS 0xf1
-
-struct scs {
- struct snd_card *card;
- struct fw_unit *unit;
- struct fw_address_handler hss_handler;
- struct fw_transaction transaction;
- bool transaction_running;
- bool output_idle;
- u8 output_status;
- u8 output_bytes;
- bool output_escaped;
- bool output_escape_high_nibble;
- u8 input_escape_count;
- struct snd_rawmidi_substream *output;
- struct snd_rawmidi_substream *input;
- struct tasklet_struct tasklet;
- wait_queue_head_t idle_wait;
- u8 *buffer;
-};
-
-static const u8 sysex_escape_prefix[] = {
- 0xf0, /* SysEx begin */
- 0x00, 0x01, 0x60, /* Stanton DJ */
- 0x48, 0x53, 0x53, /* "HSS" */
-};
-
-static int scs_output_open(struct snd_rawmidi_substream *stream)
-{
- struct scs *scs = stream->rmidi->private_data;
-
- scs->output_status = 0;
- scs->output_bytes = 1;
- scs->output_escaped = false;
-
- return 0;
-}
-
-static int scs_output_close(struct snd_rawmidi_substream *stream)
-{
- return 0;
-}
-
-static void scs_output_trigger(struct snd_rawmidi_substream *stream, int up)
-{
- struct scs *scs = stream->rmidi->private_data;
-
- ACCESS_ONCE(scs->output) = up ? stream : NULL;
- if (up) {
- scs->output_idle = false;
- tasklet_schedule(&scs->tasklet);
- }
-}
-
-static void scs_write_callback(struct fw_card *card, int rcode,
- void *data, size_t length, void *callback_data)
-{
- struct scs *scs = callback_data;
-
- if (rcode == RCODE_GENERATION) {
- /* TODO: retry this packet */
- }
-
- scs->transaction_running = false;
- tasklet_schedule(&scs->tasklet);
-}
-
-static bool is_valid_running_status(u8 status)
-{
- return status >= 0x80 && status <= 0xef;
-}
-
-static bool is_one_byte_cmd(u8 status)
-{
- return status == 0xf6 ||
- status >= 0xf8;
-}
-
-static bool is_two_bytes_cmd(u8 status)
-{
- return (status >= 0xc0 && status <= 0xdf) ||
- status == 0xf1 ||
- status == 0xf3;
-}
-
-static bool is_three_bytes_cmd(u8 status)
-{
- return (status >= 0x80 && status <= 0xbf) ||
- (status >= 0xe0 && status <= 0xef) ||
- status == 0xf2;
-}
-
-static bool is_invalid_cmd(u8 status)
-{
- return status == 0xf4 ||
- status == 0xf5 ||
- status == 0xf9 ||
- status == 0xfd;
-}
-
-static void scs_output_tasklet(unsigned long data)
-{
- struct scs *scs = (void *)data;
- struct snd_rawmidi_substream *stream;
- unsigned int i;
- u8 byte;
- struct fw_device *dev;
- int generation;
-
- if (scs->transaction_running)
- return;
-
- stream = ACCESS_ONCE(scs->output);
- if (!stream) {
- scs->output_idle = true;
- wake_up(&scs->idle_wait);
- return;
- }
-
- i = scs->output_bytes;
- for (;;) {
- if (snd_rawmidi_transmit(stream, &byte, 1) != 1) {
- scs->output_bytes = i;
- scs->output_idle = true;
- wake_up(&scs->idle_wait);
- return;
- }
- /*
- * Convert from real MIDI to what I think the device expects (no
- * running status, one command per packet, unescaped SysExs).
- */
- if (scs->output_escaped && byte < 0x80) {
- if (scs->output_escape_high_nibble) {
- if (i < HSS1394_MAX_PACKET_SIZE) {
- scs->buffer[i] = byte << 4;
- scs->output_escape_high_nibble = false;
- }
- } else {
- scs->buffer[i++] |= byte & 0x0f;
- scs->output_escape_high_nibble = true;
- }
- } else if (byte < 0x80) {
- if (i == 1) {
- if (!is_valid_running_status(scs->output_status))
- continue;
- scs->buffer[0] = HSS1394_TAG_USER_DATA;
- scs->buffer[i++] = scs->output_status;
- }
- scs->buffer[i++] = byte;
- if ((i == 3 && is_two_bytes_cmd(scs->output_status)) ||
- (i == 4 && is_three_bytes_cmd(scs->output_status)))
- break;
- if (i == 1 + ARRAY_SIZE(sysex_escape_prefix) &&
- !memcmp(scs->buffer + 1, sysex_escape_prefix,
- ARRAY_SIZE(sysex_escape_prefix))) {
- scs->output_escaped = true;
- scs->output_escape_high_nibble = true;
- i = 0;
- }
- if (i >= HSS1394_MAX_PACKET_SIZE)
- i = 1;
- } else if (byte == 0xf7) {
- if (scs->output_escaped) {
- if (i >= 1 && scs->output_escape_high_nibble &&
- scs->buffer[0] != HSS1394_TAG_CHANGE_ADDRESS)
- break;
- } else {
- if (i > 1 && scs->output_status == 0xf0) {
- scs->buffer[i++] = 0xf7;
- break;
- }
- }
- i = 1;
- scs->output_escaped = false;
- } else if (!is_invalid_cmd(byte) &&
- byte < 0xf8) {
- i = 1;
- scs->buffer[0] = HSS1394_TAG_USER_DATA;
- scs->buffer[i++] = byte;
- scs->output_status = byte;
- scs->output_escaped = false;
- if (is_one_byte_cmd(byte))
- break;
- }
- }
- scs->output_bytes = 1;
- scs->output_escaped = false;
-
- scs->transaction_running = true;
- dev = fw_parent_device(scs->unit);
- generation = dev->generation;
- smp_rmb(); /* node_id vs. generation */
- fw_send_request(dev->card, &scs->transaction, TCODE_WRITE_BLOCK_REQUEST,
- dev->node_id, generation, dev->max_speed,
- HSS1394_ADDRESS, scs->buffer, i,
- scs_write_callback, scs);
-}
-
-static void scs_output_drain(struct snd_rawmidi_substream *stream)
-{
- struct scs *scs = stream->rmidi->private_data;
-
- wait_event(scs->idle_wait, scs->output_idle);
-}
-
-static struct snd_rawmidi_ops output_ops = {
- .open = scs_output_open,
- .close = scs_output_close,
- .trigger = scs_output_trigger,
- .drain = scs_output_drain,
-};
-
-static int scs_input_open(struct snd_rawmidi_substream *stream)
-{
- struct scs *scs = stream->rmidi->private_data;
-
- scs->input_escape_count = 0;
-
- return 0;
-}
-
-static int scs_input_close(struct snd_rawmidi_substream *stream)
-{
- return 0;
-}
-
-static void scs_input_trigger(struct snd_rawmidi_substream *stream, int up)
-{
- struct scs *scs = stream->rmidi->private_data;
-
- ACCESS_ONCE(scs->input) = up ? stream : NULL;
-}
-
-static void scs_input_escaped_byte(struct snd_rawmidi_substream *stream,
- u8 byte)
-{
- u8 nibbles[2];
-
- nibbles[0] = byte >> 4;
- nibbles[1] = byte & 0x0f;
- snd_rawmidi_receive(stream, nibbles, 2);
-}
-
-static void scs_input_midi_byte(struct scs *scs,
- struct snd_rawmidi_substream *stream,
- u8 byte)
-{
- if (scs->input_escape_count > 0) {
- scs_input_escaped_byte(stream, byte);
- scs->input_escape_count--;
- if (scs->input_escape_count == 0)
- snd_rawmidi_receive(stream, (const u8[]) { 0xf7 }, 1);
- } else if (byte == 0xf9) {
- snd_rawmidi_receive(stream, sysex_escape_prefix,
- ARRAY_SIZE(sysex_escape_prefix));
- scs_input_escaped_byte(stream, 0x00);
- scs_input_escaped_byte(stream, 0xf9);
- scs->input_escape_count = 3;
- } else {
- snd_rawmidi_receive(stream, &byte, 1);
- }
-}
-
-static void scs_input_packet(struct scs *scs,
- struct snd_rawmidi_substream *stream,
- const u8 *data, unsigned int bytes)
-{
- unsigned int i;
-
- if (data[0] == HSS1394_TAG_USER_DATA) {
- for (i = 1; i < bytes; ++i)
- scs_input_midi_byte(scs, stream, data[i]);
- } else {
- snd_rawmidi_receive(stream, sysex_escape_prefix,
- ARRAY_SIZE(sysex_escape_prefix));
- for (i = 0; i < bytes; ++i)
- scs_input_escaped_byte(stream, data[i]);
- snd_rawmidi_receive(stream, (const u8[]) { 0xf7 }, 1);
- }
-}
-
-static struct snd_rawmidi_ops input_ops = {
- .open = scs_input_open,
- .close = scs_input_close,
- .trigger = scs_input_trigger,
-};
-
-static int scs_create_midi(struct scs *scs)
-{
- struct snd_rawmidi *rmidi;
- int err;
-
- err = snd_rawmidi_new(scs->card, "SCS.1x", 0, 1, 1, &rmidi);
- if (err < 0)
- return err;
- snprintf(rmidi->name, sizeof(rmidi->name),
- "%s MIDI", scs->card->shortname);
- rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
- SNDRV_RAWMIDI_INFO_INPUT |
- SNDRV_RAWMIDI_INFO_DUPLEX;
- rmidi->private_data = scs;
- snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &output_ops);
- snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &input_ops);
-
- return 0;
-}
-
-static void handle_hss(struct fw_card *card, struct fw_request *request,
- int tcode, int destination, int source, int generation,
- unsigned long long offset, void *data, size_t length,
- void *callback_data)
-{
- struct scs *scs = callback_data;
- struct snd_rawmidi_substream *stream;
-
- if (offset != scs->hss_handler.offset) {
- fw_send_response(card, request, RCODE_ADDRESS_ERROR);
- return;
- }
- if (tcode != TCODE_WRITE_QUADLET_REQUEST &&
- tcode != TCODE_WRITE_BLOCK_REQUEST) {
- fw_send_response(card, request, RCODE_TYPE_ERROR);
- return;
- }
-
- if (length >= 1) {
- stream = ACCESS_ONCE(scs->input);
- if (stream)
- scs_input_packet(scs, stream, data, length);
- }
-
- fw_send_response(card, request, RCODE_COMPLETE);
-}
-
-static int scs_init_hss_address(struct scs *scs)
-{
- __be64 data;
- int err;
-
- data = cpu_to_be64(((u64)HSS1394_TAG_CHANGE_ADDRESS << 56) |
- scs->hss_handler.offset);
- err = snd_fw_transaction(scs->unit, TCODE_WRITE_BLOCK_REQUEST,
- HSS1394_ADDRESS, &data, 8, 0);
- if (err < 0)
- dev_err(&scs->unit->device, "HSS1394 communication failed\n");
-
- return err;
-}
-
-static void scs_card_free(struct snd_card *card)
-{
- struct scs *scs = card->private_data;
-
- fw_core_remove_address_handler(&scs->hss_handler);
- kfree(scs->buffer);
-}
-
-static int scs_probe(struct fw_unit *unit, const struct ieee1394_device_id *id)
-{
- struct fw_device *fw_dev = fw_parent_device(unit);
- struct snd_card *card;
- struct scs *scs;
- int err;
-
- err = snd_card_new(&unit->device, -16, NULL, THIS_MODULE,
- sizeof(*scs), &card);
- if (err < 0)
- return err;
-
- scs = card->private_data;
- scs->card = card;
- scs->unit = unit;
- tasklet_init(&scs->tasklet, scs_output_tasklet, (unsigned long)scs);
- init_waitqueue_head(&scs->idle_wait);
- scs->output_idle = true;
-
- scs->buffer = kmalloc(HSS1394_MAX_PACKET_SIZE, GFP_KERNEL);
- if (!scs->buffer) {
- err = -ENOMEM;
- goto err_card;
- }
-
- scs->hss_handler.length = HSS1394_MAX_PACKET_SIZE;
- scs->hss_handler.address_callback = handle_hss;
- scs->hss_handler.callback_data = scs;
- err = fw_core_add_address_handler(&scs->hss_handler,
- &fw_high_memory_region);
- if (err < 0)
- goto err_buffer;
-
- card->private_free = scs_card_free;
-
- strcpy(card->driver, "SCS.1x");
- strcpy(card->shortname, "SCS.1x");
- fw_csr_string(unit->directory, CSR_MODEL,
- card->shortname, sizeof(card->shortname));
- snprintf(card->longname, sizeof(card->longname),
- "Stanton DJ %s (GUID %08x%08x) at %s, S%d",
- card->shortname, fw_dev->config_rom[3], fw_dev->config_rom[4],
- dev_name(&unit->device), 100 << fw_dev->max_speed);
- strcpy(card->mixername, card->shortname);
-
- err = scs_init_hss_address(scs);
- if (err < 0)
- goto err_card;
-
- err = scs_create_midi(scs);
- if (err < 0)
- goto err_card;
-
- err = snd_card_register(card);
- if (err < 0)
- goto err_card;
-
- dev_set_drvdata(&unit->device, scs);
-
- return 0;
-
-err_buffer:
- kfree(scs->buffer);
-err_card:
- snd_card_free(card);
- return err;
-}
-
-static void scs_update(struct fw_unit *unit)
-{
- struct scs *scs = dev_get_drvdata(&unit->device);
- int generation;
- __be64 data;
-
- data = cpu_to_be64(((u64)HSS1394_TAG_CHANGE_ADDRESS << 56) |
- scs->hss_handler.offset);
- generation = fw_parent_device(unit)->generation;
- smp_rmb(); /* node_id vs. generation */
- snd_fw_transaction(scs->unit, TCODE_WRITE_BLOCK_REQUEST,
- HSS1394_ADDRESS, &data, 8,
- FW_FIXED_GENERATION | generation);
-}
-
-static void scs_remove(struct fw_unit *unit)
-{
- struct scs *scs = dev_get_drvdata(&unit->device);
-
- snd_card_disconnect(scs->card);
-
- ACCESS_ONCE(scs->output) = NULL;
- ACCESS_ONCE(scs->input) = NULL;
-
- wait_event(scs->idle_wait, scs->output_idle);
-
- tasklet_kill(&scs->tasklet);
-
- snd_card_free_when_closed(scs->card);
-}
-
-static const struct ieee1394_device_id scs_id_table[] = {
- {
- .match_flags = IEEE1394_MATCH_VENDOR_ID |
- IEEE1394_MATCH_MODEL_ID,
- .vendor_id = OUI_STANTON,
- .model_id = MODEL_SCS_1M,
- },
- {
- .match_flags = IEEE1394_MATCH_VENDOR_ID |
- IEEE1394_MATCH_MODEL_ID,
- .vendor_id = OUI_STANTON,
- .model_id = MODEL_SCS_1D,
- },
- {}
-};
-MODULE_DEVICE_TABLE(ieee1394, scs_id_table);
-
-MODULE_DESCRIPTION("SCS.1x MIDI driver");
-MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
-MODULE_LICENSE("GPL v2");
-
-static struct fw_driver scs_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = KBUILD_MODNAME,
- .bus = &fw_bus_type,
- },
- .probe = scs_probe,
- .update = scs_update,
- .remove = scs_remove,
- .id_table = scs_id_table,
-};
-
-static int __init alsa_scs1x_init(void)
-{
- return driver_register(&scs_driver.driver);
-}
-
-static void __exit alsa_scs1x_exit(void)
-{
- driver_unregister(&scs_driver.driver);
-}
-
-module_init(alsa_scs1x_init);
-module_exit(alsa_scs1x_exit);
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