diff options
Diffstat (limited to 'sound')
68 files changed, 4585 insertions, 231 deletions
diff --git a/sound/Kconfig b/sound/Kconfig index 36785410fbe1..e56d96d2b11c 100644 --- a/sound/Kconfig +++ b/sound/Kconfig @@ -99,6 +99,8 @@ source "sound/synth/Kconfig" source "sound/xen/Kconfig" +source "sound/virtio/Kconfig" + endif # SND endif # !UML diff --git a/sound/Makefile b/sound/Makefile index 797ecdcd35e2..04ef04b1168f 100644 --- a/sound/Makefile +++ b/sound/Makefile @@ -5,7 +5,8 @@ obj-$(CONFIG_SOUND) += soundcore.o obj-$(CONFIG_DMASOUND) += oss/dmasound/ obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ sh/ synth/ usb/ \ - firewire/ sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/ hda/ x86/ xen/ + firewire/ sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/ hda/ x86/ xen/ \ + virtio/ obj-$(CONFIG_SND_AOA) += aoa/ # This one must be compilable even if sound is configured out diff --git a/sound/core/init.c b/sound/core/init.c index 45f4b01de23f..ef41f5b3a240 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -398,10 +398,8 @@ int snd_card_disconnect(struct snd_card *card) return 0; } card->shutdown = 1; - spin_unlock(&card->files_lock); /* replace file->f_op with special dummy operations */ - spin_lock(&card->files_lock); list_for_each_entry(mfile, &card->files_list, list) { /* it's critical part, use endless loop */ /* we have no room to fail */ diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 142fc751a847..86c39ee01aaa 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -3069,8 +3069,12 @@ static void snd_pcm_oss_proc_done(struct snd_pcm *pcm) } } #else /* !CONFIG_SND_VERBOSE_PROCFS */ -#define snd_pcm_oss_proc_init(pcm) -#define snd_pcm_oss_proc_done(pcm) +static inline void snd_pcm_oss_proc_init(struct snd_pcm *pcm) +{ +} +static inline void snd_pcm_oss_proc_done(struct snd_pcm *pcm) +{ +} #endif /* CONFIG_SND_VERBOSE_PROCFS */ /* diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c index 289dd1fd8fe7..542a75babdee 100644 --- a/sound/core/pcm_memory.c +++ b/sound/core/pcm_memory.c @@ -176,6 +176,10 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry, substream->dma_buffer.dev.dev, size, &new_dmab) < 0) { buffer->error = -ENOMEM; + pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n", + substream->pcm->card->number, substream->pcm->device, + substream->stream ? 'c' : 'p', substream->number, + substream->pcm->name, size); return; } substream->buffer_bytes_max = size; @@ -210,7 +214,9 @@ static inline void preallocate_info_init(struct snd_pcm_substream *substream) } #else /* !CONFIG_SND_VERBOSE_PROCFS */ -#define preallocate_info_init(s) +static inline void preallocate_info_init(struct snd_pcm_substream *substream) +{ +} #endif /* CONFIG_SND_VERBOSE_PROCFS */ /* @@ -400,6 +406,10 @@ int snd_pcm_lib_malloc_pages(struct snd_pcm_substream *substream, size_t size) substream->dma_buffer.dev.dev, size, dmab) < 0) { kfree(dmab); + pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n", + substream->pcm->card->number, substream->pcm->device, + substream->stream ? 'c' : 'p', substream->number, + substream->pcm->name, size); return -ENOMEM; } } diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 17a85f4815d5..8dbe86cf2e4f 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1425,7 +1425,7 @@ static int snd_pcm_do_stop(struct snd_pcm_substream *substream, substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_STOP); substream->runtime->stop_operating = true; } - return 0; /* unconditonally stop all substreams */ + return 0; /* unconditionally stop all substreams */ } static void snd_pcm_post_stop(struct snd_pcm_substream *substream, @@ -1469,7 +1469,7 @@ EXPORT_SYMBOL(snd_pcm_stop); * After stopping, the state is changed to SETUP. * Unlike snd_pcm_stop(), this affects only the given stream. * - * Return: Zero if succesful, or a negative error code. + * Return: Zero if successful, or a negative error code. */ int snd_pcm_drain_done(struct snd_pcm_substream *substream) { diff --git a/sound/core/seq_device.c b/sound/core/seq_device.c index 7ed13cb32ef8..382275c5b193 100644 --- a/sound/core/seq_device.c +++ b/sound/core/seq_device.c @@ -133,10 +133,19 @@ void snd_seq_device_load_drivers(void) flush_work(&autoload_work); } EXPORT_SYMBOL(snd_seq_device_load_drivers); -#define cancel_autoload_drivers() cancel_work_sync(&autoload_work) + +static inline void cancel_autoload_drivers(void) +{ + cancel_work_sync(&autoload_work); +} #else -#define queue_autoload_drivers() /* NOP */ -#define cancel_autoload_drivers() /* NOP */ +static inline void queue_autoload_drivers(void) +{ +} + +static inline void cancel_autoload_drivers(void) +{ +} #endif /* diff --git a/sound/drivers/vx/vx_core.c b/sound/drivers/vx/vx_core.c index d5c65cab195b..a22e5b1a5458 100644 --- a/sound/drivers/vx/vx_core.c +++ b/sound/drivers/vx/vx_core.c @@ -402,7 +402,7 @@ int vx_send_rih(struct vx_core *chip, int cmd) #define END_OF_RESET_WAIT_TIME 500 /* us */ /** - * snd_vx_boot_xilinx - boot up the xilinx interface + * snd_vx_load_boot_image - boot up the xilinx interface * @chip: VX core instance * @boot: the boot record to load */ diff --git a/sound/firewire/bebob/bebob.h b/sound/firewire/bebob/bebob.h index d1ad9a8451bc..4e0ed84adbee 100644 --- a/sound/firewire/bebob/bebob.h +++ b/sound/firewire/bebob/bebob.h @@ -200,6 +200,8 @@ int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit, int avc_bridgeco_get_plug_type(struct fw_unit *unit, u8 addr[AVC_BRIDGECO_ADDR_BYTES], enum avc_bridgeco_plug_type *type); +int avc_bridgeco_get_plug_ch_count(struct fw_unit *unit, u8 addr[AVC_BRIDGECO_ADDR_BYTES], + unsigned int *ch_count); int avc_bridgeco_get_plug_section_type(struct fw_unit *unit, u8 addr[AVC_BRIDGECO_ADDR_BYTES], unsigned int id, u8 *type); diff --git a/sound/firewire/bebob/bebob_command.c b/sound/firewire/bebob/bebob_command.c index e276ab8f9006..022df09c68ff 100644 --- a/sound/firewire/bebob/bebob_command.c +++ b/sound/firewire/bebob/bebob_command.c @@ -143,6 +143,42 @@ end: return err; } +int avc_bridgeco_get_plug_ch_count(struct fw_unit *unit, u8 addr[AVC_BRIDGECO_ADDR_BYTES], + unsigned int *ch_count) +{ + u8 *buf; + int err; + + buf = kzalloc(12, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + // Info type is 'plug type'. + avc_bridgeco_fill_plug_info_extension_command(buf, addr, 0x02); + + err = fcp_avc_transaction(unit, buf, 12, buf, 12, + BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | + BIT(6) | BIT(7) | BIT(9)); + if (err < 0) + ; + else if (err < 11) + err = -EIO; + else if (buf[0] == 0x08) // NOT IMPLEMENTED + err = -ENOSYS; + else if (buf[0] == 0x0a) // REJECTED + err = -EINVAL; + else if (buf[0] == 0x0b) // IN TRANSITION + err = -EAGAIN; + if (err < 0) + goto end; + + *ch_count = buf[10]; + err = 0; +end: + kfree(buf); + return err; +} + int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit, u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf, unsigned int len) diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c index bbae04793c50..b612ee3e33b6 100644 --- a/sound/firewire/bebob/bebob_stream.c +++ b/sound/firewire/bebob/bebob_stream.c @@ -517,20 +517,22 @@ int snd_bebob_stream_init_duplex(struct snd_bebob *bebob) static int keep_resources(struct snd_bebob *bebob, struct amdtp_stream *stream, unsigned int rate, unsigned int index) { - struct snd_bebob_stream_formation *formation; + unsigned int pcm_channels; + unsigned int midi_ports; struct cmp_connection *conn; int err; if (stream == &bebob->tx_stream) { - formation = bebob->tx_stream_formations + index; + pcm_channels = bebob->tx_stream_formations[index].pcm; + midi_ports = bebob->midi_input_ports; conn = &bebob->out_conn; } else { - formation = bebob->rx_stream_formations + index; + pcm_channels = bebob->rx_stream_formations[index].pcm; + midi_ports = bebob->midi_output_ports; conn = &bebob->in_conn; } - err = amdtp_am824_set_parameters(stream, rate, formation->pcm, - formation->midi, false); + err = amdtp_am824_set_parameters(stream, rate, pcm_channels, midi_ports, false); if (err < 0) return err; @@ -796,42 +798,42 @@ parse_stream_formation(u8 *buf, unsigned int len, return 0; } -static int -fill_stream_formations(struct snd_bebob *bebob, enum avc_bridgeco_plug_dir dir, - unsigned short pid) +static int fill_stream_formations(struct snd_bebob *bebob, u8 addr[AVC_BRIDGECO_ADDR_BYTES], + enum avc_bridgeco_plug_dir plug_dir, unsigned int plug_id, + struct snd_bebob_stream_formation *formations) { + enum avc_bridgeco_plug_type plug_type; u8 *buf; - struct snd_bebob_stream_formation *formations; unsigned int len, eid; - u8 addr[AVC_BRIDGECO_ADDR_BYTES]; int err; + avc_bridgeco_fill_unit_addr(addr, plug_dir, AVC_BRIDGECO_PLUG_UNIT_ISOC, plug_id); + + err = avc_bridgeco_get_plug_type(bebob->unit, addr, &plug_type); + if (err < 0) { + dev_err(&bebob->unit->device, + "Fail to get type for isoc %d plug 0: %d\n", plug_dir, err); + return err; + } else if (plug_type != AVC_BRIDGECO_PLUG_TYPE_ISOC) + return -ENXIO; + buf = kmalloc(FORMAT_MAXIMUM_LENGTH, GFP_KERNEL); if (buf == NULL) return -ENOMEM; - if (dir == AVC_BRIDGECO_PLUG_DIR_IN) - formations = bebob->rx_stream_formations; - else - formations = bebob->tx_stream_formations; + for (eid = 0; eid < SND_BEBOB_STRM_FMT_ENTRIES; ++eid) { + avc_bridgeco_fill_unit_addr(addr, plug_dir, AVC_BRIDGECO_PLUG_UNIT_ISOC, plug_id); - for (eid = 0; eid < SND_BEBOB_STRM_FMT_ENTRIES; eid++) { len = FORMAT_MAXIMUM_LENGTH; - avc_bridgeco_fill_unit_addr(addr, dir, - AVC_BRIDGECO_PLUG_UNIT_ISOC, pid); - err = avc_bridgeco_get_plug_strm_fmt(bebob->unit, addr, buf, - &len, eid); - /* No entries remained. */ + err = avc_bridgeco_get_plug_strm_fmt(bebob->unit, addr, buf, &len, eid); + // No entries remained. if (err == -EINVAL && eid > 0) { err = 0; break; } else if (err < 0) { dev_err(&bebob->unit->device, - "fail to get stream format %d for isoc %s plug %d:%d\n", - eid, - (dir == AVC_BRIDGECO_PLUG_DIR_IN) ? "in" : - "out", - pid, err); + "fail to get stream format %d for isoc %d plug %d:%d\n", + eid, plug_dir, plug_id, err); break; } @@ -844,6 +846,49 @@ fill_stream_formations(struct snd_bebob *bebob, enum avc_bridgeco_plug_dir dir, return err; } +static int detect_midi_ports(struct snd_bebob *bebob, + const struct snd_bebob_stream_formation *formats, + u8 addr[AVC_BRIDGECO_ADDR_BYTES], enum avc_bridgeco_plug_dir plug_dir, + unsigned int plug_count, unsigned int *midi_ports) +{ + int i; + int err = 0; + + *midi_ports = 0; + + /// Detect the number of available MIDI ports when packet has MIDI conformant data channel. + for (i = 0; i < SND_BEBOB_STRM_FMT_ENTRIES; ++i) { + if (formats[i].midi > 0) + break; + } + if (i >= SND_BEBOB_STRM_FMT_ENTRIES) + return 0; + + for (i = 0; i < plug_count; ++i) { + enum avc_bridgeco_plug_type plug_type; + unsigned int ch_count; + + avc_bridgeco_fill_unit_addr(addr, plug_dir, AVC_BRIDGECO_PLUG_UNIT_EXT, i); + + err = avc_bridgeco_get_plug_type(bebob->unit, addr, &plug_type); + if (err < 0) { + dev_err(&bebob->unit->device, + "fail to get type for external %d plug %d: %d\n", + plug_dir, i, err); + break; + } else if (plug_type != AVC_BRIDGECO_PLUG_TYPE_MIDI) { + continue; + } + + err = avc_bridgeco_get_plug_ch_count(bebob->unit, addr, &ch_count); + if (err < 0) + break; + *midi_ports += ch_count; + } + + return err; +} + static int seek_msu_sync_input_plug(struct snd_bebob *bebob) { @@ -886,8 +931,6 @@ int snd_bebob_stream_discover(struct snd_bebob *bebob) { const struct snd_bebob_clock_spec *clk_spec = bebob->spec->clock; u8 plugs[AVC_PLUG_INFO_BUF_BYTES], addr[AVC_BRIDGECO_ADDR_BYTES]; - enum avc_bridgeco_plug_type type; - unsigned int i; int err; /* the number of plugs for isoc in/out, ext in/out */ @@ -908,67 +951,25 @@ int snd_bebob_stream_discover(struct snd_bebob *bebob) goto end; } - avc_bridgeco_fill_unit_addr(addr, AVC_BRIDGECO_PLUG_DIR_IN, - AVC_BRIDGECO_PLUG_UNIT_ISOC, 0); - err = avc_bridgeco_get_plug_type(bebob->unit, addr, &type); - if (err < 0) { - dev_err(&bebob->unit->device, - "fail to get type for isoc in plug 0: %d\n", err); - goto end; - } else if (type != AVC_BRIDGECO_PLUG_TYPE_ISOC) { - err = -ENOSYS; - goto end; - } - err = fill_stream_formations(bebob, AVC_BRIDGECO_PLUG_DIR_IN, 0); + err = fill_stream_formations(bebob, addr, AVC_BRIDGECO_PLUG_DIR_IN, 0, + bebob->rx_stream_formations); if (err < 0) goto end; - avc_bridgeco_fill_unit_addr(addr, AVC_BRIDGECO_PLUG_DIR_OUT, - AVC_BRIDGECO_PLUG_UNIT_ISOC, 0); - err = avc_bridgeco_get_plug_type(bebob->unit, addr, &type); - if (err < 0) { - dev_err(&bebob->unit->device, - "fail to get type for isoc out plug 0: %d\n", err); - goto end; - } else if (type != AVC_BRIDGECO_PLUG_TYPE_ISOC) { - err = -ENOSYS; - goto end; - } - err = fill_stream_formations(bebob, AVC_BRIDGECO_PLUG_DIR_OUT, 0); + err = fill_stream_formations(bebob, addr, AVC_BRIDGECO_PLUG_DIR_OUT, 0, + bebob->tx_stream_formations); if (err < 0) goto end; - /* count external input plugs for MIDI */ - bebob->midi_input_ports = 0; - for (i = 0; i < plugs[2]; i++) { - avc_bridgeco_fill_unit_addr(addr, AVC_BRIDGECO_PLUG_DIR_IN, - AVC_BRIDGECO_PLUG_UNIT_EXT, i); - err = avc_bridgeco_get_plug_type(bebob->unit, addr, &type); - if (err < 0) { - dev_err(&bebob->unit->device, - "fail to get type for external in plug %d: %d\n", - i, err); - goto end; - } else if (type == AVC_BRIDGECO_PLUG_TYPE_MIDI) { - bebob->midi_input_ports++; - } - } + err = detect_midi_ports(bebob, bebob->rx_stream_formations, addr, AVC_BRIDGECO_PLUG_DIR_IN, + plugs[2], &bebob->midi_input_ports); + if (err < 0) + goto end; - /* count external output plugs for MIDI */ - bebob->midi_output_ports = 0; - for (i = 0; i < plugs[3]; i++) { - avc_bridgeco_fill_unit_addr(addr, AVC_BRIDGECO_PLUG_DIR_OUT, - AVC_BRIDGECO_PLUG_UNIT_EXT, i); - err = avc_bridgeco_get_plug_type(bebob->unit, addr, &type); - if (err < 0) { - dev_err(&bebob->unit->device, - "fail to get type for external out plug %d: %d\n", - i, err); - goto end; - } else if (type == AVC_BRIDGECO_PLUG_TYPE_MIDI) { - bebob->midi_output_ports++; - } - } + err = detect_midi_ports(bebob, bebob->tx_stream_formations, addr, AVC_BRIDGECO_PLUG_DIR_OUT, + plugs[3], &bebob->midi_output_ports); + if (err < 0) + goto end; /* for check source of clock later */ if (!clk_spec) diff --git a/sound/hda/Kconfig b/sound/hda/Kconfig index 57595f1552c9..741179ccbd4e 100644 --- a/sound/hda/Kconfig +++ b/sound/hda/Kconfig @@ -21,17 +21,16 @@ config SND_HDA_EXT_CORE select SND_HDA_CORE config SND_HDA_PREALLOC_SIZE - int "Pre-allocated buffer size for HD-audio driver" + int "Pre-allocated buffer size for HD-audio driver" if !SND_DMA_SGBUF range 0 32768 - default 2048 if SND_DMA_SGBUF + default 0 if SND_DMA_SGBUF default 64 if !SND_DMA_SGBUF help Specifies the default pre-allocated buffer-size in kB for the HD-audio driver. A larger buffer (e.g. 2048) is preferred for systems using PulseAudio. The default 64 is chosen just for compatibility reasons. - On x86 systems, the default is 2048 as a reasonable value for - most of modern systems. + On x86 systems, the default is zero as we need no preallocation. Note that the pre-allocation size can be changed dynamically via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too. diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index a6ed3dc35f7e..1eb8563db2df 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -618,7 +618,7 @@ void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set, EXPORT_SYMBOL_GPL(snd_hdac_stream_sync_trigger); /** - * snd_hdac_stream_sync - sync with start/strop trigger operation + * snd_hdac_stream_sync - sync with start/stop trigger operation * @azx_dev: HD-audio core stream (master stream) * @start: true = start, false = stop * @streams: bit flags of streams to sync diff --git a/sound/pci/asihpi/hpicmn.h b/sound/pci/asihpi/hpicmn.h index de3bedd29d94..8ec656cf8848 100644 --- a/sound/pci/asihpi/hpicmn.h +++ b/sound/pci/asihpi/hpicmn.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* AudioScience HPI driver Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com> diff --git a/sound/pci/asihpi/hpidspcd.h b/sound/pci/asihpi/hpidspcd.h index a01e8c6092bd..9f1468ed7096 100644 --- a/sound/pci/asihpi/hpidspcd.h +++ b/sound/pci/asihpi/hpidspcd.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /***********************************************************************/ -/** +/* AudioScience HPI driver Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> diff --git a/sound/pci/ctxfi/ct20k1reg.h b/sound/pci/ctxfi/ct20k1reg.h index d4bfee499fb1..05bb006c0f4c 100644 --- a/sound/pci/ctxfi/ct20k1reg.h +++ b/sound/pci/ctxfi/ct20k1reg.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. */ diff --git a/sound/pci/ctxfi/ct20k2reg.h b/sound/pci/ctxfi/ct20k2reg.h index af94ea66fdda..02f67828eabe 100644 --- a/sound/pci/ctxfi/ct20k2reg.h +++ b/sound/pci/ctxfi/ct20k2reg.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. */ diff --git a/sound/pci/ctxfi/ctamixer.c b/sound/pci/ctxfi/ctamixer.c index d4ff377eb3a3..da6e6350ceaf 100644 --- a/sound/pci/ctxfi/ctamixer.c +++ b/sound/pci/ctxfi/ctamixer.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctamixer.c diff --git a/sound/pci/ctxfi/ctamixer.h b/sound/pci/ctxfi/ctamixer.h index 4fafb397abed..4498e6139d0e 100644 --- a/sound/pci/ctxfi/ctamixer.h +++ b/sound/pci/ctxfi/ctamixer.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctamixer.h diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c index f8ac96cf38a4..78f35e88aed6 100644 --- a/sound/pci/ctxfi/ctatc.c +++ b/sound/pci/ctxfi/ctatc.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctatc.c diff --git a/sound/pci/ctxfi/ctatc.h b/sound/pci/ctxfi/ctatc.h index ac31b32b277b..0bc7b71d910b 100644 --- a/sound/pci/ctxfi/ctatc.h +++ b/sound/pci/ctxfi/ctatc.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctatc.h diff --git a/sound/pci/ctxfi/ctdaio.c b/sound/pci/ctxfi/ctdaio.c index 4cb47b5a792c..f589da045342 100644 --- a/sound/pci/ctxfi/ctdaio.c +++ b/sound/pci/ctxfi/ctdaio.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctdaio.c diff --git a/sound/pci/ctxfi/ctdaio.h b/sound/pci/ctxfi/ctdaio.h index 431583bb0a3e..bd6310f48013 100644 --- a/sound/pci/ctxfi/ctdaio.h +++ b/sound/pci/ctxfi/ctdaio.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctdaio.h diff --git a/sound/pci/ctxfi/cthardware.h b/sound/pci/ctxfi/cthardware.h index 9e6b83bd432d..f406b626a28c 100644 --- a/sound/pci/ctxfi/cthardware.h +++ b/sound/pci/ctxfi/cthardware.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File cthardware.h diff --git a/sound/pci/ctxfi/cthw20k1.h b/sound/pci/ctxfi/cthw20k1.h index b7cbe82d71bd..ffb019abf651 100644 --- a/sound/pci/ctxfi/cthw20k1.h +++ b/sound/pci/ctxfi/cthw20k1.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File cthw20k1.h diff --git a/sound/pci/ctxfi/cthw20k2.h b/sound/pci/ctxfi/cthw20k2.h index 797b13dcd84c..6993a3d5277a 100644 --- a/sound/pci/ctxfi/cthw20k2.h +++ b/sound/pci/ctxfi/cthw20k2.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File cthw20k2.h diff --git a/sound/pci/ctxfi/ctimap.h b/sound/pci/ctxfi/ctimap.h index 79bc94bce4d5..49b1bb831410 100644 --- a/sound/pci/ctxfi/ctimap.h +++ b/sound/pci/ctxfi/ctimap.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctimap.h diff --git a/sound/pci/ctxfi/ctmixer.h b/sound/pci/ctxfi/ctmixer.h index 770dc18a85e8..e812f6c93b41 100644 --- a/sound/pci/ctxfi/ctmixer.h +++ b/sound/pci/ctxfi/ctmixer.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctmixer.h diff --git a/sound/pci/ctxfi/ctpcm.h b/sound/pci/ctxfi/ctpcm.h index dfa1c62f7d1e..8b39bdd262b4 100644 --- a/sound/pci/ctxfi/ctpcm.h +++ b/sound/pci/ctxfi/ctpcm.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctpcm.h diff --git a/sound/pci/ctxfi/ctresource.c b/sound/pci/ctxfi/ctresource.c index 6d0a01b189e1..81ad26934518 100644 --- a/sound/pci/ctxfi/ctresource.c +++ b/sound/pci/ctxfi/ctresource.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctresource.c diff --git a/sound/pci/ctxfi/ctresource.h b/sound/pci/ctxfi/ctresource.h index 93e47488a1c1..fdbfd808816d 100644 --- a/sound/pci/ctxfi/ctresource.h +++ b/sound/pci/ctxfi/ctresource.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctresource.h diff --git a/sound/pci/ctxfi/ctsrc.c b/sound/pci/ctxfi/ctsrc.c index 37c18ce84974..bd4697b44233 100644 --- a/sound/pci/ctxfi/ctsrc.c +++ b/sound/pci/ctxfi/ctsrc.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctsrc.c diff --git a/sound/pci/ctxfi/ctsrc.h b/sound/pci/ctxfi/ctsrc.h index 1204962280c8..1124daf50c9b 100644 --- a/sound/pci/ctxfi/ctsrc.h +++ b/sound/pci/ctxfi/ctsrc.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctsrc.h diff --git a/sound/pci/ctxfi/ctvmem.c b/sound/pci/ctxfi/ctvmem.c index bde28aa9e139..7a805c4a58e1 100644 --- a/sound/pci/ctxfi/ctvmem.c +++ b/sound/pci/ctxfi/ctvmem.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctvmem.c diff --git a/sound/pci/ctxfi/ctvmem.h b/sound/pci/ctxfi/ctvmem.h index 54818a3c245d..da54cbcdb0be 100644 --- a/sound/pci/ctxfi/ctvmem.h +++ b/sound/pci/ctxfi/ctvmem.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/** +/* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctvmem.h diff --git a/sound/pci/hda/hda_auto_parser.h b/sound/pci/hda/hda_auto_parser.h index a22ca0e17a08..df63d66af1ab 100644 --- a/sound/pci/hda/hda_auto_parser.h +++ b/sound/pci/hda/hda_auto_parser.h @@ -27,7 +27,7 @@ enum { }; #define AUTO_CFG_MAX_OUTS HDA_MAX_OUTS -#define AUTO_CFG_MAX_INS 8 +#define AUTO_CFG_MAX_INS 18 struct auto_pin_cfg_item { hda_nid_t pin; diff --git a/sound/pci/hda/hda_jack.c b/sound/pci/hda/hda_jack.c index ac00866d8032..f29975e3e98d 100644 --- a/sound/pci/hda/hda_jack.c +++ b/sound/pci/hda/hda_jack.c @@ -389,6 +389,69 @@ int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid, EXPORT_SYMBOL_GPL(snd_hda_jack_set_gating_jack); /** + * snd_hda_jack_bind_keymap - bind keys generated from one NID to another jack. + * @codec: the HDA codec + * @key_nid: key event is generated by this pin NID + * @keymap: map of key type and key code + * @jack_nid: key reports to the jack of this pin NID + * + * This function is used in the case of key is generated from one NID while is + * reported to the jack of another NID. + */ +int snd_hda_jack_bind_keymap(struct hda_codec *codec, hda_nid_t key_nid, + const struct hda_jack_keymap *keymap, + hda_nid_t jack_nid) +{ + const struct hda_jack_keymap *map; + struct hda_jack_tbl *key_gen = snd_hda_jack_tbl_get(codec, key_nid); + struct hda_jack_tbl *report_to = snd_hda_jack_tbl_get(codec, jack_nid); + + WARN_ON(codec->dp_mst); + + if (!key_gen || !report_to || !report_to->jack) + return -EINVAL; + + key_gen->key_report_jack = jack_nid; + + if (keymap) + for (map = keymap; map->type; map++) + snd_jack_set_key(report_to->jack, map->type, map->key); + + return 0; +} +EXPORT_SYMBOL_GPL(snd_hda_jack_bind_keymap); + +/** + * snd_hda_jack_set_button_state - report button event to the hda_jack_tbl button_state. + * @codec: the HDA codec + * @jack_nid: the button event reports to the jack_tbl of this NID + * @button_state: the button event captured by codec + * + * Codec driver calls this function to report the button event. + */ +void snd_hda_jack_set_button_state(struct hda_codec *codec, hda_nid_t jack_nid, + int button_state) +{ + struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, jack_nid); + + if (!jack) + return; + + if (jack->key_report_jack) { + struct hda_jack_tbl *report_to = + snd_hda_jack_tbl_get(codec, jack->key_report_jack); + + if (report_to) { + report_to->button_state = button_state; + return; + } + } + + jack->button_state = button_state; +} +EXPORT_SYMBOL_GPL(snd_hda_jack_set_button_state); + +/** * snd_hda_jack_report_sync - sync the states of all jacks and report if changed * @codec: the HDA codec */ @@ -651,7 +714,15 @@ void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res) } if (!event) return; - event->jack_dirty = 1; + + if (event->key_report_jack) { + struct hda_jack_tbl *report_to = + snd_hda_jack_tbl_get_mst(codec, event->key_report_jack, + event->dev_id); + if (report_to) + report_to->jack_dirty = 1; + } else + event->jack_dirty = 1; call_jack_callback(codec, res, event); snd_hda_jack_report_sync(codec); diff --git a/sound/pci/hda/hda_jack.h b/sound/pci/hda/hda_jack.h index 8ceaf0ef5df1..2abf7aac243a 100644 --- a/sound/pci/hda/hda_jack.h +++ b/sound/pci/hda/hda_jack.h @@ -40,6 +40,7 @@ struct hda_jack_tbl { unsigned int block_report:1; /* in a transitional state - do not report to userspace */ hda_nid_t gating_jack; /* valid when gating jack plugged */ hda_nid_t gated_jack; /* gated is dependent on this jack */ + hda_nid_t key_report_jack; /* key reports to this jack */ int type; int button_state; struct snd_jack *jack; @@ -99,6 +100,13 @@ snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid, int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid, hda_nid_t gating_nid); +int snd_hda_jack_bind_keymap(struct hda_codec *codec, hda_nid_t key_nid, + const struct hda_jack_keymap *keymap, + hda_nid_t jack_nid); + +void snd_hda_jack_set_button_state(struct hda_codec *codec, hda_nid_t jack_nid, + int button_state); + u32 snd_hda_jack_pin_sense(struct hda_codec *codec, hda_nid_t nid, int dev_id); /* the jack state returned from snd_hda_jack_detect_state() */ diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index 06d4486a4961..4c5589c10f1d 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -172,7 +172,7 @@ int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid); /* * input MUX helper */ -#define HDA_MAX_NUM_INPUTS 16 +#define HDA_MAX_NUM_INPUTS 36 struct hda_input_mux_item { char label[32]; unsigned int index; diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index f46204ab0b90..5d57096b3a95 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -9,6 +9,8 @@ #include <linux/slab.h> #include <linux/module.h> #include <sound/core.h> +#include <linux/mutex.h> +#include <linux/pci.h> #include <sound/tlv.h> #include <sound/hda_codec.h> #include "hda_local.h" @@ -19,6 +21,9 @@ /* */ +#define CS42L42_HP_CH (2U) +#define CS42L42_HS_MIC_CH (1U) + struct cs_spec { struct hda_gen_spec gen; @@ -37,6 +42,18 @@ struct cs_spec { /* for MBP SPDIF control */ int (*spdif_sw_put)(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); + + unsigned int cs42l42_hp_jack_in:1; + unsigned int cs42l42_mic_jack_in:1; + unsigned int cs42l42_volume_init:1; + char cs42l42_hp_volume[CS42L42_HP_CH]; + char cs42l42_hs_mic_volume[CS42L42_HS_MIC_CH]; + + struct mutex cs8409_i2c_mux; + + /* verb exec op override */ + int (*exec_verb)(struct hdac_device *dev, unsigned int cmd, + unsigned int flags, unsigned int *res); }; /* available models with CS420x */ @@ -110,7 +127,7 @@ enum { * 1 DAC => HP(sense) / Speakers, * 1 ADC <= LineIn(sense) / MicIn / DMicIn, * 1 SPDIF OUT => SPDIF Trasmitter(sense) -*/ + */ #define CS4210_DAC_NID 0x02 #define CS4210_ADC_NID 0x03 #define CS4210_VENDOR_NID 0x0B @@ -129,6 +146,7 @@ enum { static inline int cs_vendor_coef_get(struct hda_codec *codec, unsigned int idx) { struct cs_spec *spec = codec->spec; + snd_hda_codec_write(codec, spec->vendor_nid, 0, AC_VERB_SET_COEF_INDEX, idx); return snd_hda_codec_read(codec, spec->vendor_nid, 0, @@ -139,6 +157,7 @@ static inline void cs_vendor_coef_set(struct hda_codec *codec, unsigned int idx, unsigned int coef) { struct cs_spec *spec = codec->spec; + snd_hda_codec_write(codec, spec->vendor_nid, 0, AC_VERB_SET_COEF_INDEX, idx); snd_hda_codec_write(codec, spec->vendor_nid, 0, @@ -175,6 +194,7 @@ static void cs_automute(struct hda_codec *codec) static bool is_active_pin(struct hda_codec *codec, hda_nid_t nid) { unsigned int val; + val = snd_hda_codec_get_pincfg(codec, nid); return (get_defcfg_connect(val) != AC_JACK_PORT_NONE); } @@ -193,7 +213,7 @@ static void init_input_coef(struct hda_codec *codec) coef |= 1 << 3; /* DMIC1 2 chan on, GPIO0 off * No effect if SPDIF_OUT2 is * selected in IDX_SPDIF_CTL. - */ + */ cs_vendor_coef_set(codec, IDX_BEEP_CFG, coef); } @@ -267,13 +287,6 @@ static const struct hda_verb cs_errata_init_verbs[] = { {0x11, AC_VERB_SET_COEF_INDEX, 0x0001}, {0x11, AC_VERB_SET_PROC_COEF, 0x0008}, {0x11, AC_VERB_SET_PROC_STATE, 0x00}, - -#if 0 /* Don't to set to D3 as we are in power-up sequence */ - {0x07, AC_VERB_SET_POWER_STATE, 0x03}, /* S/PDIF Rx: D3 */ - {0x08, AC_VERB_SET_POWER_STATE, 0x03}, /* S/PDIF Tx: D3 */ - /*{0x01, AC_VERB_SET_POWER_STATE, 0x03},*/ /* AFG: D3 This is already handled */ -#endif - {} /* terminator */ }; @@ -361,8 +374,10 @@ static int cs_parse_auto_config(struct hda_codec *codec) /* keep the ADCs powered up when it's dynamically switchable */ if (spec->gen.dyn_adc_switch) { unsigned int done = 0; + for (i = 0; i < spec->gen.input_mux.num_items; i++) { int idx = spec->gen.dyn_adc_idx[i]; + if (done & (1 << idx)) continue; snd_hda_gen_fix_pin_power(codec, @@ -496,6 +511,7 @@ static void cs420x_fixup_gpio_13(struct hda_codec *codec, { if (action == HDA_FIXUP_ACT_PRE_PROBE) { struct cs_spec *spec = codec->spec; + spec->gpio_eapd_hp = 2; /* GPIO1 = headphones */ spec->gpio_eapd_speaker = 8; /* GPIO3 = speakers */ spec->gpio_mask = spec->gpio_dir = @@ -508,6 +524,7 @@ static void cs420x_fixup_gpio_23(struct hda_codec *codec, { if (action == HDA_FIXUP_ACT_PRE_PROBE) { struct cs_spec *spec = codec->spec; + spec->gpio_eapd_hp = 4; /* GPIO2 = headphones */ spec->gpio_eapd_speaker = 8; /* GPIO3 = speakers */ spec->gpio_mask = spec->gpio_dir = @@ -652,6 +669,7 @@ static void cs4208_fixup_gpio0(struct hda_codec *codec, { if (action == HDA_FIXUP_ACT_PRE_PROBE) { struct cs_spec *spec = codec->spec; + spec->gpio_eapd_hp = 0; spec->gpio_eapd_speaker = 1; spec->gpio_mask = spec->gpio_dir = @@ -806,7 +824,7 @@ static int patch_cs4208(struct hda_codec *codec) * 1 DAC => HP(sense) / Speakers, * 1 ADC <= LineIn(sense) / MicIn / DMicIn, * 1 SPDIF OUT => SPDIF Trasmitter(sense) -*/ + */ /* CS4210 board names */ static const struct hda_model_fixup cs421x_models[] = { @@ -849,6 +867,7 @@ static void cs421x_fixup_sense_b(struct hda_codec *codec, const struct hda_fixup *fix, int action) { struct cs_spec *spec = codec->spec; + if (action == HDA_FIXUP_ACT_PRE_PROBE) spec->sense_b = 1; } @@ -874,9 +893,9 @@ static const struct hda_verb cs421x_coef_init_verbs[] = { {0x0B, AC_VERB_SET_PROC_STATE, 1}, {0x0B, AC_VERB_SET_COEF_INDEX, CS421X_IDX_DEV_CFG}, /* - Disable Coefficient Index Auto-Increment(DAI)=1, - PDREF=0 - */ + * Disable Coefficient Index Auto-Increment(DAI)=1, + * PDREF=0 + */ {0x0B, AC_VERB_SET_PROC_COEF, 0x0001 }, {0x0B, AC_VERB_SET_COEF_INDEX, CS421X_IDX_ADC_CFG}, @@ -963,12 +982,12 @@ static int cs421x_boost_vol_put(struct snd_kcontrol *kcontrol, coef &= ~0x0003; coef |= (vol & 0x0003); - if (original_coef == coef) - return 0; - else { + if (original_coef != coef) { cs_vendor_coef_set(codec, CS421X_IDX_SPK_CTL, coef); return 1; } + + return 0; } static const struct snd_kcontrol_new cs421x_speaker_boost_ctl = { @@ -1007,8 +1026,8 @@ static void cs4210_pinmux_init(struct hda_codec *codec) is_active_pin(codec, CS421X_DMIC_PIN_NID)) { /* - GPIO or SENSE_B forced - disconnect the DMIC pin. - */ + * GPIO or SENSE_B forced - disconnect the DMIC pin. + */ def_conf = snd_hda_codec_get_pincfg(codec, CS421X_DMIC_PIN_NID); def_conf &= ~AC_DEFCFG_PORT_CONN; def_conf |= (AC_JACK_PORT_NONE << AC_DEFCFG_PORT_CONN_SHIFT); @@ -1047,6 +1066,7 @@ static void parse_cs421x_digital(struct hda_codec *codec) for (i = 0; i < cfg->dig_outs; i++) { hda_nid_t nid = cfg->dig_out_pins[i]; + if (get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP) { spec->spdif_detect = 1; snd_hda_jack_detect_enable_callback(codec, nid, @@ -1125,9 +1145,9 @@ static int cs421x_parse_auto_config(struct hda_codec *codec) #ifdef CONFIG_PM /* - Manage PDREF, when transitioning to D3hot - (DAC,ADC) -> D3, PDREF=1, AFG->D3 -*/ + * Manage PDREF, when transitioning to D3hot + * (DAC,ADC) -> D3, PDREF=1, AFG->D3 + */ static int cs421x_suspend(struct hda_codec *codec) { struct cs_spec *spec = codec->spec; @@ -1178,10 +1198,10 @@ static int patch_cs4210(struct hda_codec *codec) snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE); /* - Update the GPIO/DMIC/SENSE_B pinmux before the configuration - is auto-parsed. If GPIO or SENSE_B is forced, DMIC input - is disabled. - */ + * Update the GPIO/DMIC/SENSE_B pinmux before the configuration + * is auto-parsed. If GPIO or SENSE_B is forced, DMIC input + * is disabled. + */ cs4210_pinmux_init(codec); err = cs421x_parse_auto_config(codec); @@ -1219,6 +1239,1025 @@ static int patch_cs4213(struct hda_codec *codec) return err; } +/* Cirrus Logic CS8409 HDA bridge with + * companion codec CS42L42 + */ +#define CS8409_VENDOR_NID 0x47 + +#define CS8409_CS42L42_HP_PIN_NID 0x24 +#define CS8409_CS42L42_SPK_PIN_NID 0x2c +#define CS8409_CS42L42_AMIC_PIN_NID 0x34 +#define CS8409_CS42L42_DMIC_PIN_NID 0x44 +#define CS8409_CS42L42_DMIC_ADC_PIN_NID 0x22 + +#define CS42L42_HSDET_AUTO_DONE 0x02 +#define CS42L42_HSTYPE_MASK 0x03 + +#define CS42L42_JACK_INSERTED 0x0C +#define CS42L42_JACK_REMOVED 0x00 + +#define GPIO3_INT (1 << 3) +#define GPIO4_INT (1 << 4) +#define GPIO5_INT (1 << 5) + +#define CS42L42_I2C_ADDR (0x48 << 1) + +#define CIR_I2C_ADDR 0x0059 +#define CIR_I2C_DATA 0x005A +#define CIR_I2C_CTRL 0x005B +#define CIR_I2C_STATUS 0x005C +#define CIR_I2C_QWRITE 0x005D +#define CIR_I2C_QREAD 0x005E + +#define CS8409_CS42L42_HP_VOL_REAL_MIN (-63) +#define CS8409_CS42L42_HP_VOL_REAL_MAX (0) +#define CS8409_CS42L42_AMIC_VOL_REAL_MIN (-97) +#define CS8409_CS42L42_AMIC_VOL_REAL_MAX (12) +#define CS8409_CS42L42_REG_HS_VOLUME_CHA (0x2301) +#define CS8409_CS42L42_REG_HS_VOLUME_CHB (0x2303) +#define CS8409_CS42L42_REG_AMIC_VOLUME (0x1D03) + +struct cs8409_i2c_param { + unsigned int addr; + unsigned int reg; +}; + +struct cs8409_cir_param { + unsigned int nid; + unsigned int cir; + unsigned int coeff; +}; + +enum { + CS8409_BULLSEYE, + CS8409_WARLOCK, + CS8409_CYBORG, + CS8409_FIXUPS, +}; + +static void cs8409_cs42l42_fixups(struct hda_codec *codec, + const struct hda_fixup *fix, int action); +static int cs8409_cs42l42_exec_verb(struct hdac_device *dev, + unsigned int cmd, unsigned int flags, unsigned int *res); + +/* Dell Inspiron models with cs8409/cs42l42 */ +static const struct hda_model_fixup cs8409_models[] = { + { .id = CS8409_BULLSEYE, .name = "bullseye" }, + { .id = CS8409_WARLOCK, .name = "warlock" }, + { .id = CS8409_CYBORG, .name = "cyborg" }, + {} +}; + +/* Dell Inspiron platforms + * with cs8409 bridge and cs42l42 codec + */ +static const struct snd_pci_quirk cs8409_fixup_tbl[] = { + SND_PCI_QUIRK(0x1028, 0x0A11, "Bullseye", CS8409_BULLSEYE), + SND_PCI_QUIRK(0x1028, 0x0A12, "Bullseye", CS8409_BULLSEYE), + SND_PCI_QUIRK(0x1028, 0x0A23, "Bullseye", CS8409_BULLSEYE), + SND_PCI_QUIRK(0x1028, 0x0A24, "Bullseye", CS8409_BULLSEYE), + SND_PCI_QUIRK(0x1028, 0x0A25, "Bullseye", CS8409_BULLSEYE), + SND_PCI_QUIRK(0x1028, 0x0A29, "Bullseye", CS8409_BULLSEYE), + SND_PCI_QUIRK(0x1028, 0x0A2A, "Bullseye", CS8409_BULLSEYE), + SND_PCI_QUIRK(0x1028, 0x0A2B, "Bullseye", CS8409_BULLSEYE), + SND_PCI_QUIRK(0x1028, 0x0AB0, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0AB2, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0AB1, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0AB3, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0AB4, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0AB5, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0AD9, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0ADA, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0ADB, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0ADC, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0AF4, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0AF5, "Warlock", CS8409_WARLOCK), + SND_PCI_QUIRK(0x1028, 0x0A77, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0A78, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0A79, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0A7A, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0A7D, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0A7E, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0A7F, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0A80, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0ADF, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AE0, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AE1, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AE2, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AE9, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AEA, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AEB, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AEC, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AED, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AEE, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AEF, "Cyborg", CS8409_CYBORG), + SND_PCI_QUIRK(0x1028, 0x0AF0, "Cyborg", CS8409_CYBORG), + {} /* terminator */ +}; + +static const struct hda_verb cs8409_cs42l42_init_verbs[] = { + { 0x01, AC_VERB_SET_GPIO_WAKE_MASK, 0x0018 }, /* WAKE from GPIO 3,4 */ + { 0x47, AC_VERB_SET_PROC_STATE, 0x0001 }, /* Enable VPW processing */ + { 0x47, AC_VERB_SET_COEF_INDEX, 0x0002 }, /* Configure GPIO 6,7 */ + { 0x47, AC_VERB_SET_PROC_COEF, 0x0080 }, /* I2C mode */ + { 0x47, AC_VERB_SET_COEF_INDEX, 0x005b }, /* Set I2C bus speed */ + { 0x47, AC_VERB_SET_PROC_COEF, 0x0200 }, /* 100kHz I2C_STO = 2 */ + {} /* terminator */ +}; + +static const struct hda_pintbl cs8409_cs42l42_pincfgs[] = { + { 0x24, 0x042120f0 }, /* ASP-1-TX */ + { 0x34, 0x04a12050 }, /* ASP-1-RX */ + { 0x2c, 0x901000f0 }, /* ASP-2-TX */ + { 0x44, 0x90a00090 }, /* DMIC-1 */ + {} /* terminator */ +}; + +static const struct hda_fixup cs8409_fixups[] = { + [CS8409_BULLSEYE] = { + .type = HDA_FIXUP_PINS, + .v.pins = cs8409_cs42l42_pincfgs, + .chained = true, + .chain_id = CS8409_FIXUPS, + }, + [CS8409_WARLOCK] = { + .type = HDA_FIXUP_PINS, + .v.pins = cs8409_cs42l42_pincfgs, + .chained = true, + .chain_id = CS8409_FIXUPS, + }, + [CS8409_CYBORG] = { + .type = HDA_FIXUP_PINS, + .v.pins = cs8409_cs42l42_pincfgs, + .chained = true, + .chain_id = CS8409_FIXUPS, + }, + [CS8409_FIXUPS] = { + .type = HDA_FIXUP_FUNC, + .v.func = cs8409_cs42l42_fixups, + }, +}; + +/* Vendor specific HW configuration for CS42L42 */ +static const struct cs8409_i2c_param cs42l42_init_reg_seq[] = { + { 0x1010, 0xB0 }, + { 0x1D01, 0x00 }, + { 0x1D02, 0x06 }, + { 0x1D03, 0x00 }, + { 0x1107, 0x01 }, + { 0x1009, 0x02 }, + { 0x1007, 0x03 }, + { 0x1201, 0x00 }, + { 0x1208, 0x13 }, + { 0x1205, 0xFF }, + { 0x1206, 0x00 }, + { 0x1207, 0x20 }, + { 0x1202, 0x0D }, + { 0x2A02, 0x02 }, + { 0x2A03, 0x00 }, + { 0x2A04, 0x00 }, + { 0x2A05, 0x02 }, + { 0x2A06, 0x00 }, + { 0x2A07, 0x20 }, + { 0x2A08, 0x02 }, + { 0x2A09, 0x00 }, + { 0x2A0A, 0x80 }, + { 0x2A0B, 0x02 }, + { 0x2A0C, 0x00 }, + { 0x2A0D, 0xA0 }, + { 0x2A01, 0x0C }, + { 0x2902, 0x01 }, + { 0x2903, 0x02 }, + { 0x2904, 0x00 }, + { 0x2905, 0x00 }, + { 0x2901, 0x01 }, + { 0x1101, 0x0A }, + { 0x1102, 0x84 }, + { 0x2301, 0x00 }, + { 0x2303, 0x00 }, + { 0x2302, 0x3f }, + { 0x2001, 0x03 }, + { 0x1B75, 0xB6 }, + { 0x1B73, 0xC2 }, + { 0x1129, 0x01 }, + { 0x1121, 0xF3 }, + { 0x1103, 0x20 }, + { 0x1105, 0x00 }, + { 0x1112, 0xC0 }, + { 0x1113, 0x80 }, + { 0x1C03, 0xC0 }, + { 0x1105, 0x00 }, + { 0x1112, 0xC0 }, + { 0x1101, 0x02 }, + {} /* Terminator */ +}; + +/* Vendor specific hw configuration for CS8409 */ +static const struct cs8409_cir_param cs8409_cs42l42_hw_cfg[] = { + { 0x47, 0x00, 0xb008 }, /* +PLL1/2_EN, +I2C_EN */ + { 0x47, 0x01, 0x0002 }, /* ASP1/2_EN=0, ASP1_STP=1 */ + { 0x47, 0x02, 0x0a80 }, /* ASP1/2_BUS_IDLE=10, +GPIO_I2C */ + { 0x47, 0x19, 0x0800 }, /* ASP1.A: TX.LAP=0, TX.LSZ=24 bits, TX.LCS=0 */ + { 0x47, 0x1a, 0x0820 }, /* ASP1.A: TX.RAP=0, TX.RSZ=24 bits, TX.RCS=32 */ + { 0x47, 0x29, 0x0800 }, /* ASP2.A: TX.LAP=0, TX.LSZ=24 bits, TX.LCS=0 */ + { 0x47, 0x2a, 0x2800 }, /* ASP2.A: TX.RAP=1, TX.RSZ=24 bits, TX.RCS=0 */ + { 0x47, 0x39, 0x0800 }, /* ASP1.A: RX.LAP=0, RX.LSZ=24 bits, RX.LCS=0 */ + { 0x47, 0x3a, 0x0800 }, /* ASP1.A: RX.RAP=0, RX.RSZ=24 bits, RX.RCS=0 */ + { 0x47, 0x03, 0x8000 }, /* ASP1: LCHI = 00h */ + { 0x47, 0x04, 0x28ff }, /* ASP1: MC/SC_SRCSEL=PLL1, LCPR=FFh */ + { 0x47, 0x05, 0x0062 }, /* ASP1: MCEN=0, FSD=011, SCPOL_IN/OUT=0, SCDIV=1:4 */ + { 0x47, 0x06, 0x801f }, /* ASP2: LCHI=1Fh */ + { 0x47, 0x07, 0x283f }, /* ASP2: MC/SC_SRCSEL=PLL1, LCPR=3Fh */ + { 0x47, 0x08, 0x805c }, /* ASP2: 5050=1, MCEN=0, FSD=010, SCPOL_IN/OUT=1, SCDIV=1:16 */ + { 0x47, 0x09, 0x0023 }, /* DMIC1_MO=10b, DMIC1/2_SR=1 */ + { 0x47, 0x0a, 0x0000 }, /* ASP1/2_BEEP=0 */ + { 0x47, 0x01, 0x0062 }, /* ASP1/2_EN=1, ASP1_STP=1 */ + { 0x47, 0x00, 0x9008 }, /* -PLL2_EN */ + { 0x47, 0x68, 0x0000 }, /* TX2.A: pre-scale att.=0 dB */ + { 0x47, 0x82, 0xfc03 }, /* ASP1/2_xxx_EN=1, ASP1/2_MCLK_EN=0, DMIC1_SCL_EN=1 */ + { 0x47, 0xc0, 0x9999 }, /* test mode on */ + { 0x47, 0xc5, 0x0000 }, /* GPIO hysteresis = 30 us */ + { 0x47, 0xc0, 0x0000 }, /* test mode off */ + {} /* Terminator */ +}; + +/** + * cs8409_enable_i2c_clock - Enable I2C clocks + * @codec: the codec instance + * @enable: Enable or disable I2C clocks + * + * Enable or Disable I2C clocks. + */ +static void cs8409_enable_i2c_clock(struct hda_codec *codec, unsigned int enable) +{ + unsigned int retval; + unsigned int newval; + + retval = cs_vendor_coef_get(codec, 0x0); + newval = (enable) ? (retval | 0x8) : (retval & 0xfffffff7); + cs_vendor_coef_set(codec, 0x0, newval); +} + +/** + * cs8409_i2c_wait_complete - Wait for I2C transaction + * @codec: the codec instance + * + * Wait for I2C transaction to complete. + * Return -1 if transaction wait times out. + */ +static int cs8409_i2c_wait_complete(struct hda_codec *codec) +{ + int repeat = 5; + unsigned int retval; + + do { + retval = cs_vendor_coef_get(codec, CIR_I2C_STATUS); + if ((retval & 0x18) != 0x18) { + usleep_range(2000, 4000); + --repeat; + } else + return 0; + + } while (repeat); + + return -1; +} + +/** + * cs8409_i2c_read - CS8409 I2C Read. + * @codec: the codec instance + * @i2c_address: I2C Address + * @i2c_reg: Register to read + * @paged: Is a paged transaction + * + * CS8409 I2C Read. + * Returns negative on error, otherwise returns read value in bits 0-7. + */ +static int cs8409_i2c_read(struct hda_codec *codec, + unsigned int i2c_address, + unsigned int i2c_reg, + unsigned int paged) +{ + unsigned int i2c_reg_data; + unsigned int read_data; + + cs8409_enable_i2c_clock(codec, 1); + cs_vendor_coef_set(codec, CIR_I2C_ADDR, i2c_address); + + if (paged) { + cs_vendor_coef_set(codec, CIR_I2C_QWRITE, i2c_reg >> 8); + if (cs8409_i2c_wait_complete(codec) < 0) { + codec_err(codec, + "%s() Paged Transaction Failed 0x%02x : 0x%04x\n", + __func__, i2c_address, i2c_reg); + return -EIO; + } + } + + i2c_reg_data = (i2c_reg << 8) & 0x0ffff; + cs_vendor_coef_set(codec, CIR_I2C_QREAD, i2c_reg_data); + if (cs8409_i2c_wait_complete(codec) < 0) { + codec_err(codec, "%s() Transaction Failed 0x%02x : 0x%04x\n", + __func__, i2c_address, i2c_reg); + return -EIO; + } + + /* Register in bits 15-8 and the data in 7-0 */ + read_data = cs_vendor_coef_get(codec, CIR_I2C_QREAD); + + cs8409_enable_i2c_clock(codec, 0); + + return read_data & 0x0ff; +} + +/** + * cs8409_i2c_write - CS8409 I2C Write. + * @codec: the codec instance + * @i2c_address: I2C Address + * @i2c_reg: Register to write to + * @i2c_data: Data to write + * @paged: Is a paged transaction + * + * CS8409 I2C Write. + * Returns negative on error, otherwise returns 0. + */ +static int cs8409_i2c_write(struct hda_codec *codec, + unsigned int i2c_address, unsigned int i2c_reg, + unsigned int i2c_data, + unsigned int paged) +{ + unsigned int i2c_reg_data; + + cs8409_enable_i2c_clock(codec, 1); + cs_vendor_coef_set(codec, CIR_I2C_ADDR, i2c_address); + + if (paged) { + cs_vendor_coef_set(codec, CIR_I2C_QWRITE, i2c_reg >> 8); + if (cs8409_i2c_wait_complete(codec) < 0) { + codec_err(codec, + "%s() Paged Transaction Failed 0x%02x : 0x%04x\n", + __func__, i2c_address, i2c_reg); + return -EIO; + } + } + + i2c_reg_data = ((i2c_reg << 8) & 0x0ff00) | (i2c_data & 0x0ff); + cs_vendor_coef_set(codec, CIR_I2C_QWRITE, i2c_reg_data); + + if (cs8409_i2c_wait_complete(codec) < 0) { + codec_err(codec, "%s() Transaction Failed 0x%02x : 0x%04x\n", + __func__, i2c_address, i2c_reg); + return -EIO; + } + + cs8409_enable_i2c_clock(codec, 0); + + return 0; +} + +static int cs8409_cs42l42_volume_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + u16 nid = get_amp_nid(kcontrol); + u8 chs = get_amp_channels(kcontrol); + + codec_dbg(codec, "%s() nid: %d\n", __func__, nid); + switch (nid) { + case CS8409_CS42L42_HP_PIN_NID: + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = chs == 3 ? 2 : 1; + uinfo->value.integer.min = CS8409_CS42L42_HP_VOL_REAL_MIN; + uinfo->value.integer.max = CS8409_CS42L42_HP_VOL_REAL_MAX; + break; + case CS8409_CS42L42_AMIC_PIN_NID: + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = chs == 3 ? 2 : 1; + uinfo->value.integer.min = CS8409_CS42L42_AMIC_VOL_REAL_MIN; + uinfo->value.integer.max = CS8409_CS42L42_AMIC_VOL_REAL_MAX; + break; + default: + break; + } + return 0; +} + +static void cs8409_cs42l42_update_volume(struct hda_codec *codec) +{ + struct cs_spec *spec = codec->spec; + int data; + + mutex_lock(&spec->cs8409_i2c_mux); + data = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, + CS8409_CS42L42_REG_HS_VOLUME_CHA, 1); + if (data >= 0) + spec->cs42l42_hp_volume[0] = -data; + else + spec->cs42l42_hp_volume[0] = CS8409_CS42L42_HP_VOL_REAL_MIN; + data = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, + CS8409_CS42L42_REG_HS_VOLUME_CHB, 1); + if (data >= 0) + spec->cs42l42_hp_volume[1] = -data; + else + spec->cs42l42_hp_volume[1] = CS8409_CS42L42_HP_VOL_REAL_MIN; + data = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, + CS8409_CS42L42_REG_AMIC_VOLUME, 1); + if (data >= 0) + spec->cs42l42_hs_mic_volume[0] = -data; + else + spec->cs42l42_hs_mic_volume[0] = CS8409_CS42L42_AMIC_VOL_REAL_MIN; + mutex_unlock(&spec->cs8409_i2c_mux); + spec->cs42l42_volume_init = 1; +} + +static int cs8409_cs42l42_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct cs_spec *spec = codec->spec; + hda_nid_t nid = get_amp_nid(kcontrol); + int chs = get_amp_channels(kcontrol); + long *valp = ucontrol->value.integer.value; + + if (!spec->cs42l42_volume_init) { + snd_hda_power_up(codec); + cs8409_cs42l42_update_volume(codec); + snd_hda_power_down(codec); + } + switch (nid) { + case CS8409_CS42L42_HP_PIN_NID: + if (chs & BIT(0)) + *valp++ = spec->cs42l42_hp_volume[0]; + if (chs & BIT(1)) + *valp++ = spec->cs42l42_hp_volume[1]; + break; + case CS8409_CS42L42_AMIC_PIN_NID: + if (chs & BIT(0)) + *valp++ = spec->cs42l42_hs_mic_volume[0]; + break; + default: + break; + } + return 0; +} + +static int cs8409_cs42l42_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct cs_spec *spec = codec->spec; + hda_nid_t nid = get_amp_nid(kcontrol); + int chs = get_amp_channels(kcontrol); + long *valp = ucontrol->value.integer.value; + int change = 0; + char vol; + + snd_hda_power_up(codec); + switch (nid) { + case CS8409_CS42L42_HP_PIN_NID: + mutex_lock(&spec->cs8409_i2c_mux); + if (chs & BIT(0)) { + vol = -(*valp); + change = cs8409_i2c_write(codec, CS42L42_I2C_ADDR, + CS8409_CS42L42_REG_HS_VOLUME_CHA, vol, 1); + valp++; + } + if (chs & BIT(1)) { + vol = -(*valp); + change |= cs8409_i2c_write(codec, CS42L42_I2C_ADDR, + CS8409_CS42L42_REG_HS_VOLUME_CHB, vol, 1); + } + mutex_unlock(&spec->cs8409_i2c_mux); + break; + case CS8409_CS42L42_AMIC_PIN_NID: + mutex_lock(&spec->cs8409_i2c_mux); + if (chs & BIT(0)) { + change = cs8409_i2c_write( + codec, CS42L42_I2C_ADDR, + CS8409_CS42L42_REG_AMIC_VOLUME, (char)*valp, 1); + valp++; + } + mutex_unlock(&spec->cs8409_i2c_mux); + break; + default: + break; + } + cs8409_cs42l42_update_volume(codec); + snd_hda_power_down(codec); + return change; +} + +static const DECLARE_TLV_DB_SCALE( + cs8409_cs42l42_hp_db_scale, + CS8409_CS42L42_HP_VOL_REAL_MIN * 100, 100, 1); + +static const DECLARE_TLV_DB_SCALE( + cs8409_cs42l42_amic_db_scale, + CS8409_CS42L42_AMIC_VOL_REAL_MIN * 100, 100, 1); + +static const struct snd_kcontrol_new cs8409_cs42l42_hp_volume_mixer = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .index = 0, + .name = "Headphone Playback Volume", + .subdevice = (HDA_SUBDEV_AMP_FLAG | HDA_SUBDEV_NID_FLAG), + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE + | SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .info = cs8409_cs42l42_volume_info, + .get = cs8409_cs42l42_volume_get, + .put = cs8409_cs42l42_volume_put, + .tlv = { .p = cs8409_cs42l42_hp_db_scale }, + .private_value = HDA_COMPOSE_AMP_VAL( + CS8409_CS42L42_HP_PIN_NID, 3, 0, HDA_OUTPUT) + | HDA_AMP_VAL_MIN_MUTE +}; + +static const struct snd_kcontrol_new cs8409_cs42l42_amic_volume_mixer = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .index = 0, + .name = "Mic Capture Volume", + .subdevice = (HDA_SUBDEV_AMP_FLAG | HDA_SUBDEV_NID_FLAG), + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE + | SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .info = cs8409_cs42l42_volume_info, + .get = cs8409_cs42l42_volume_get, + .put = cs8409_cs42l42_volume_put, + .tlv = { .p = cs8409_cs42l42_amic_db_scale }, + .private_value = HDA_COMPOSE_AMP_VAL( + CS8409_CS42L42_AMIC_PIN_NID, 1, 0, HDA_INPUT) + | HDA_AMP_VAL_MIN_MUTE +}; + +/* Assert/release RTS# line to CS42L42 */ +static void cs8409_cs42l42_reset(struct hda_codec *codec) +{ + struct cs_spec *spec = codec->spec; + + /* Assert RTS# line */ + snd_hda_codec_write(codec, + codec->core.afg, 0, AC_VERB_SET_GPIO_DATA, 0); + /* wait ~10ms */ + usleep_range(10000, 15000); + /* Release RTS# line */ + snd_hda_codec_write(codec, + codec->core.afg, 0, AC_VERB_SET_GPIO_DATA, GPIO5_INT); + /* wait ~10ms */ + usleep_range(10000, 15000); + + mutex_lock(&spec->cs8409_i2c_mux); + + /* Clear interrupts, by reading interrupt status registers */ + cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1); + cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1309, 1); + cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130A, 1); + cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130F, 1); + + mutex_unlock(&spec->cs8409_i2c_mux); + +} + +/* Configure CS42L42 slave codec for jack autodetect */ +static void cs8409_cs42l42_enable_jack_detect(struct hda_codec *codec) +{ + struct cs_spec *spec = codec->spec; + + mutex_lock(&spec->cs8409_i2c_mux); + + /* Set TIP_SENSE_EN for analog front-end of tip sense. */ + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b70, 0x0020, 1); + /* Clear WAKE# */ + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b71, 0x0001, 1); + /* Wait ~2.5ms */ + usleep_range(2500, 3000); + /* Set mode WAKE# output follows the combination logic directly */ + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b71, 0x0020, 1); + /* Clear interrupts status */ + cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130f, 1); + cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1b7b, 1); + /* Enable interrupt */ + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1320, 0x03, 1); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b79, 0x00, 1); + + mutex_unlock(&spec->cs8409_i2c_mux); +} + +/* Enable and run CS42L42 slave codec jack auto detect */ +static void cs8409_cs42l42_run_jack_detect(struct hda_codec *codec) +{ + struct cs_spec *spec = codec->spec; + + mutex_lock(&spec->cs8409_i2c_mux); + + /* Clear interrupts */ + cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1); + cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1b77, 1); + + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1102, 0x87, 1); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1f06, 0x86, 1); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1b74, 0x07, 1); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x131b, 0x01, 1); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1120, 0x80, 1); + /* Wait ~110ms*/ + usleep_range(110000, 200000); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x111f, 0x77, 1); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1120, 0xc0, 1); + /* Wait ~10ms */ + usleep_range(10000, 25000); + + mutex_unlock(&spec->cs8409_i2c_mux); + +} + +static void cs8409_cs42l42_reg_setup(struct hda_codec *codec) +{ + const struct cs8409_i2c_param *seq = cs42l42_init_reg_seq; + struct cs_spec *spec = codec->spec; + + mutex_lock(&spec->cs8409_i2c_mux); + + for (; seq->addr; seq++) + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, seq->addr, seq->reg, 1); + + mutex_unlock(&spec->cs8409_i2c_mux); + +} + +/* + * In the case of CS8409 we do not have unsolicited events from NID's 0x24 + * and 0x34 where hs mic and hp are connected. Companion codec CS42L42 will + * generate interrupt via gpio 4 to notify jack events. We have to overwrite + * generic snd_hda_jack_unsol_event(), read CS42L42 jack detect status registers + * and then notify status via generic snd_hda_jack_unsol_event() call. + */ +static void cs8409_jack_unsol_event(struct hda_codec *codec, unsigned int res) +{ + struct cs_spec *spec = codec->spec; + int status_changed = 0; + int reg_cdc_status; + int reg_hs_status; + int reg_ts_status; + int type; + struct hda_jack_tbl *jk; + + /* jack_unsol_event() will be called every time gpio line changing state. + * In this case gpio4 line goes up as a result of reading interrupt status + * registers in previous cs8409_jack_unsol_event() call. + * We don't need to handle this event, ignoring... + */ + if ((res & (1 << 4))) + return; + + mutex_lock(&spec->cs8409_i2c_mux); + + /* Read jack detect status registers */ + reg_cdc_status = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1308, 1); + reg_hs_status = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1124, 1); + reg_ts_status = cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x130f, 1); + + /* Clear interrupts, by reading interrupt status registers */ + cs8409_i2c_read(codec, CS42L42_I2C_ADDR, 0x1b7b, 1); + + mutex_unlock(&spec->cs8409_i2c_mux); + + /* If status values are < 0, read error has occurred. */ + if (reg_cdc_status < 0 || reg_hs_status < 0 || reg_ts_status < 0) + return; + + /* HSDET_AUTO_DONE */ + if (reg_cdc_status & CS42L42_HSDET_AUTO_DONE) { + + type = ((reg_hs_status & CS42L42_HSTYPE_MASK) + 1); + /* CS42L42 reports optical jack as type 4 + * We don't handle optical jack + */ + if (type != 4) { + if (!spec->cs42l42_hp_jack_in) { + status_changed = 1; + spec->cs42l42_hp_jack_in = 1; + } + /* type = 3 has no mic */ + if ((!spec->cs42l42_mic_jack_in) && (type != 3)) { + status_changed = 1; + spec->cs42l42_mic_jack_in = 1; + } + } else { + if (spec->cs42l42_hp_jack_in || spec->cs42l42_mic_jack_in) { + status_changed = 1; + spec->cs42l42_hp_jack_in = 0; + spec->cs42l42_mic_jack_in = 0; + } + } + + } else { + /* TIP_SENSE INSERT/REMOVE */ + switch (reg_ts_status) { + case CS42L42_JACK_INSERTED: + cs8409_cs42l42_run_jack_detect(codec); + break; + + case CS42L42_JACK_REMOVED: + if (spec->cs42l42_hp_jack_in || spec->cs42l42_mic_jack_in) { + status_changed = 1; + spec->cs42l42_hp_jack_in = 0; + spec->cs42l42_mic_jack_in = 0; + } + break; + + default: + /* jack in transition */ + status_changed = 0; + break; + } + } + + if (status_changed) { + + snd_hda_set_pin_ctl(codec, CS8409_CS42L42_SPK_PIN_NID, + spec->cs42l42_hp_jack_in ? 0 : PIN_OUT); + + /* Report jack*/ + jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_HP_PIN_NID, 0); + if (jk) { + snd_hda_jack_unsol_event(codec, + (jk->tag << AC_UNSOL_RES_TAG_SHIFT) & AC_UNSOL_RES_TAG); + } + /* Report jack*/ + jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_AMIC_PIN_NID, 0); + if (jk) { + snd_hda_jack_unsol_event(codec, + (jk->tag << AC_UNSOL_RES_TAG_SHIFT) & AC_UNSOL_RES_TAG); + } + } +} + +#ifdef CONFIG_PM +/* Manage PDREF, when transition to D3hot */ +static int cs8409_suspend(struct hda_codec *codec) +{ + struct cs_spec *spec = codec->spec; + + mutex_lock(&spec->cs8409_i2c_mux); + /* Power down CS42L42 ASP/EQ/MIX/HP */ + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1101, 0xfe, 1); + mutex_unlock(&spec->cs8409_i2c_mux); + /* Assert CS42L42 RTS# line */ + snd_hda_codec_write(codec, + codec->core.afg, 0, AC_VERB_SET_GPIO_DATA, 0); + + snd_hda_shutup_pins(codec); + + return 0; +} +#endif + +/* Enable/Disable Unsolicited Response for gpio(s) 3,4 */ +static void cs8409_enable_ur(struct hda_codec *codec, int flag) +{ + /* GPIO4 INT# and GPIO3 WAKE# */ + snd_hda_codec_write(codec, codec->core.afg, + 0, AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK, + flag ? (GPIO3_INT | GPIO4_INT) : 0); + + snd_hda_codec_write(codec, codec->core.afg, + 0, AC_VERB_SET_UNSOLICITED_ENABLE, + flag ? AC_UNSOL_ENABLED : 0); + +} + +/* Vendor specific HW configuration + * PLL, ASP, I2C, SPI, GPIOs, DMIC etc... + */ +static void cs8409_cs42l42_hw_init(struct hda_codec *codec) +{ + const struct cs8409_cir_param *seq = cs8409_cs42l42_hw_cfg; + struct cs_spec *spec = codec->spec; + + if (spec->gpio_mask) { + snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_MASK, + spec->gpio_mask); + snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DIRECTION, + spec->gpio_dir); + snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA, + spec->gpio_data); + } + + for (; seq->nid; seq++) + cs_vendor_coef_set(codec, seq->cir, seq->coeff); + + /* Disable Unsolicited Response during boot */ + cs8409_enable_ur(codec, 0); + + /* Reset CS42L42 */ + cs8409_cs42l42_reset(codec); + + /* Initialise CS42L42 companion codec */ + cs8409_cs42l42_reg_setup(codec); + + if (codec->fixup_id == CS8409_WARLOCK || + codec->fixup_id == CS8409_CYBORG) { + /* FULL_SCALE_VOL = 0 for Warlock / Cyborg */ + mutex_lock(&spec->cs8409_i2c_mux); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x2001, 0x01, 1); + mutex_unlock(&spec->cs8409_i2c_mux); + /* DMIC1_MO=00b, DMIC1/2_SR=1 */ + cs_vendor_coef_set(codec, 0x09, 0x0003); + } + + /* Restore Volumes after Resume */ + if (spec->cs42l42_volume_init) { + mutex_lock(&spec->cs8409_i2c_mux); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, + CS8409_CS42L42_REG_HS_VOLUME_CHA, + -spec->cs42l42_hp_volume[0], + 1); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, + CS8409_CS42L42_REG_HS_VOLUME_CHB, + -spec->cs42l42_hp_volume[1], + 1); + cs8409_i2c_write(codec, CS42L42_I2C_ADDR, + CS8409_CS42L42_REG_AMIC_VOLUME, + spec->cs42l42_hs_mic_volume[0], + 1); + mutex_unlock(&spec->cs8409_i2c_mux); + } + + cs8409_cs42l42_update_volume(codec); + + cs8409_cs42l42_enable_jack_detect(codec); + + /* Enable Unsolicited Response */ + cs8409_enable_ur(codec, 1); +} + +static int cs8409_cs42l42_init(struct hda_codec *codec) +{ + int ret = snd_hda_gen_init(codec); + + if (!ret) + snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT); + + return ret; +} + +static const struct hda_codec_ops cs8409_cs42l42_patch_ops = { + .build_controls = cs_build_controls, + .build_pcms = snd_hda_gen_build_pcms, + .init = cs8409_cs42l42_init, + .free = cs_free, + .unsol_event = cs8409_jack_unsol_event, +#ifdef CONFIG_PM + .suspend = cs8409_suspend, +#endif +}; + +static void cs8409_cs42l42_fixups(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct cs_spec *spec = codec->spec; + int caps; + + switch (action) { + case HDA_FIXUP_ACT_PRE_PROBE: + snd_hda_add_verbs(codec, cs8409_cs42l42_init_verbs); + /* verb exec op override */ + spec->exec_verb = codec->core.exec_verb; + codec->core.exec_verb = cs8409_cs42l42_exec_verb; + + mutex_init(&spec->cs8409_i2c_mux); + + codec->patch_ops = cs8409_cs42l42_patch_ops; + + spec->gen.suppress_auto_mute = 1; + spec->gen.no_primary_hp = 1; + spec->gen.suppress_vmaster = 1; + + /* GPIO 5 out, 3,4 in */ + spec->gpio_dir = GPIO5_INT; + spec->gpio_data = 0; + spec->gpio_mask = 0x03f; + + spec->cs42l42_hp_jack_in = 0; + spec->cs42l42_mic_jack_in = 0; + + /* Basic initial sequence for specific hw configuration */ + snd_hda_sequence_write(codec, cs8409_cs42l42_init_verbs); + + /* CS8409 is simple HDA bridge and intended to be used with a remote + * companion codec. Most of input/output PIN(s) have only basic + * capabilities. NID(s) 0x24 and 0x34 have only OUTC and INC + * capabilities and no presence detect capable (PDC) and call to + * snd_hda_gen_build_controls() will mark them as non detectable + * phantom jacks. However, in this configuration companion codec + * CS42L42 is connected to these pins and it has jack detect + * capabilities. We have to override pin capabilities, + * otherwise they will not be created as input devices. + */ + caps = snd_hdac_read_parm(&codec->core, CS8409_CS42L42_HP_PIN_NID, + AC_PAR_PIN_CAP); + if (caps >= 0) + snd_hdac_override_parm(&codec->core, + CS8409_CS42L42_HP_PIN_NID, AC_PAR_PIN_CAP, + (caps | (AC_PINCAP_IMP_SENSE | AC_PINCAP_PRES_DETECT))); + + caps = snd_hdac_read_parm(&codec->core, CS8409_CS42L42_AMIC_PIN_NID, + AC_PAR_PIN_CAP); + if (caps >= 0) + snd_hdac_override_parm(&codec->core, + CS8409_CS42L42_AMIC_PIN_NID, AC_PAR_PIN_CAP, + (caps | (AC_PINCAP_IMP_SENSE | AC_PINCAP_PRES_DETECT))); + + snd_hda_override_wcaps(codec, CS8409_CS42L42_HP_PIN_NID, + (get_wcaps(codec, CS8409_CS42L42_HP_PIN_NID) | AC_WCAP_UNSOL_CAP)); + + snd_hda_override_wcaps(codec, CS8409_CS42L42_AMIC_PIN_NID, + (get_wcaps(codec, CS8409_CS42L42_AMIC_PIN_NID) | AC_WCAP_UNSOL_CAP)); + break; + case HDA_FIXUP_ACT_PROBE: + snd_hda_gen_add_kctl(&spec->gen, + NULL, &cs8409_cs42l42_hp_volume_mixer); + snd_hda_gen_add_kctl(&spec->gen, + NULL, &cs8409_cs42l42_amic_volume_mixer); + cs8409_cs42l42_hw_init(codec); + snd_hda_codec_set_name(codec, "CS8409/CS42L42"); + break; + case HDA_FIXUP_ACT_INIT: + cs8409_cs42l42_hw_init(codec); + fallthrough; + case HDA_FIXUP_ACT_BUILD: + /* Run jack auto detect first time on boot + * after controls have been added, to check if jack has + * been already plugged in. + * Run immediately after init. + */ + cs8409_cs42l42_run_jack_detect(codec); + usleep_range(100000, 150000); + break; + default: + break; + } +} + +static int cs8409_cs42l42_exec_verb(struct hdac_device *dev, + unsigned int cmd, unsigned int flags, unsigned int *res) +{ + struct hda_codec *codec = container_of(dev, struct hda_codec, core); + struct cs_spec *spec = codec->spec; + + unsigned int nid = ((cmd >> 20) & 0x07f); + unsigned int verb = ((cmd >> 8) & 0x0fff); + + /* CS8409 pins have no AC_PINSENSE_PRESENCE + * capabilities. We have to intercept 2 calls for pins 0x24 and 0x34 + * and return correct pin sense values for read_pin_sense() call from + * hda_jack based on CS42L42 jack detect status. + */ + switch (nid) { + case CS8409_CS42L42_HP_PIN_NID: + if (verb == AC_VERB_GET_PIN_SENSE) { + *res = (spec->cs42l42_hp_jack_in) ? AC_PINSENSE_PRESENCE : 0; + return 0; + } + break; + + case CS8409_CS42L42_AMIC_PIN_NID: + if (verb == AC_VERB_GET_PIN_SENSE) { + *res = (spec->cs42l42_mic_jack_in) ? AC_PINSENSE_PRESENCE : 0; + return 0; + } + break; + + default: + break; + } + + return spec->exec_verb(dev, cmd, flags, res); +} + +static int patch_cs8409(struct hda_codec *codec) +{ + int err; + + if (!cs_alloc_spec(codec, CS8409_VENDOR_NID)) + return -ENOMEM; + + snd_hda_pick_fixup(codec, + cs8409_models, cs8409_fixup_tbl, cs8409_fixups); + + codec_dbg(codec, "Picked ID=%d, VID=%08x, DEV=%08x\n", + codec->fixup_id, + codec->bus->pci->subsystem_vendor, + codec->bus->pci->subsystem_device); + + snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE); + + err = cs_parse_auto_config(codec); + if (err < 0) { + cs_free(codec); + return err; + } + + snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PROBE); + return 0; +} /* * patch entries @@ -1229,6 +2268,7 @@ static const struct hda_device_id snd_hda_id_cirrus[] = { HDA_CODEC_ENTRY(0x10134208, "CS4208", patch_cs4208), HDA_CODEC_ENTRY(0x10134210, "CS4210", patch_cs4210), HDA_CODEC_ENTRY(0x10134213, "CS4213", patch_cs4213), + HDA_CODEC_ENTRY(0x10138409, "CS8409", patch_cs8409), {} /* terminator */ }; MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cirrus); diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 45ae845e82df..5de3666a7101 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1848,16 +1848,12 @@ static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) */ if (spec->intel_hsw_fixup) { /* - * On Intel platforms, device entries number is - * changed dynamically. If there is a DP MST - * hub connected, the device entries number is 3. - * Otherwise, it is 1. - * Here we manually set dev_num to 3, so that - * we can initialize all the device entries when - * bootup statically. + * On Intel platforms, device entries count returned + * by AC_PAR_DEVLIST_LEN is dynamic, and depends on + * the type of receiver that is connected. Allocate pin + * structures based on worst case. */ - dev_num = 3; - spec->dev_num = 3; + dev_num = spec->dev_num; } else if (spec->dyn_pcm_assign && codec->dp_mst) { dev_num = snd_hda_get_num_devices(codec, pin_nid) + 1; /* @@ -2942,7 +2938,7 @@ static int parse_intel_hdmi(struct hda_codec *codec) /* Intel Haswell and onwards; audio component with eld notifier */ static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid, - const int *port_map, int port_num) + const int *port_map, int port_num, int dev_num) { struct hdmi_spec *spec; int err; @@ -2957,6 +2953,7 @@ static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid, spec->port_map = port_map; spec->port_num = port_num; spec->intel_hsw_fixup = true; + spec->dev_num = dev_num; intel_haswell_enable_all_pins(codec, true); intel_haswell_fixup_enable_dp12(codec); @@ -2982,12 +2979,12 @@ static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid, static int patch_i915_hsw_hdmi(struct hda_codec *codec) { - return intel_hsw_common_init(codec, 0x08, NULL, 0); + return intel_hsw_common_init(codec, 0x08, NULL, 0, 3); } static int patch_i915_glk_hdmi(struct hda_codec *codec) { - return intel_hsw_common_init(codec, 0x0b, NULL, 0); + return intel_hsw_common_init(codec, 0x0b, NULL, 0, 3); } static int patch_i915_icl_hdmi(struct hda_codec *codec) @@ -2998,7 +2995,7 @@ static int patch_i915_icl_hdmi(struct hda_codec *codec) */ static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb}; - return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map)); + return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 3); } static int patch_i915_tgl_hdmi(struct hda_codec *codec) @@ -3010,7 +3007,7 @@ static int patch_i915_tgl_hdmi(struct hda_codec *codec) static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf}; int ret; - ret = intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map)); + ret = intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 4); if (!ret) { struct hdmi_spec *spec = codec->spec; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 2c35d2df09d6..6d95d9e04723 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -3103,7 +3103,7 @@ static void alc_headset_btn_callback(struct hda_codec *codec, if (jack->unsol_res & (7 << 10)) report |= SND_JACK_BTN_3; - jack->jack->button_state = report; + snd_hda_jack_set_button_state(codec, jack->nid, report); } static void alc_disable_headset_jack_key(struct hda_codec *codec) @@ -3164,16 +3164,23 @@ static void alc_fixup_headset_jack(struct hda_codec *codec, const struct hda_fixup *fix, int action) { struct alc_spec *spec = codec->spec; + hda_nid_t hp_pin; switch (action) { case HDA_FIXUP_ACT_PRE_PROBE: spec->has_hs_key = 1; snd_hda_jack_detect_enable_callback(codec, 0x55, alc_headset_btn_callback); - snd_hda_jack_add_kctl(codec, 0x55, "Headset Jack", false, - SND_JACK_HEADSET, alc_headset_btn_keymap); break; - case HDA_FIXUP_ACT_INIT: + case HDA_FIXUP_ACT_BUILD: + hp_pin = alc_get_hp_pin(spec); + if (!hp_pin || snd_hda_jack_bind_keymap(codec, 0x55, + alc_headset_btn_keymap, + hp_pin)) + snd_hda_jack_add_kctl(codec, 0x55, "Headset Jack", + false, SND_JACK_HEADSET, + alc_headset_btn_keymap); + alc_enable_headset_jack_key(codec); break; } diff --git a/sound/pci/mixart/mixart_hwdep.c b/sound/pci/mixart/mixart_hwdep.c index 13dcb2fd0a85..f579f7698bba 100644 --- a/sound/pci/mixart/mixart_hwdep.c +++ b/sound/pci/mixart/mixart_hwdep.c @@ -22,7 +22,8 @@ /** - * wait for a value on a peudo register, exit with a timeout + * mixart_wait_nice_for_register_value - wait for a value on a peudo register, + * exit with a timeout * * @mgr: pointer to miXart manager structure * @offset: unsigned pseudo_register base + offset of value diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 4cf879c42dc4..720297cbdf87 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -5390,7 +5390,8 @@ static int snd_hdsp_free(struct hdsp *hdsp) if (hdsp->port) pci_release_regions(hdsp->pci); - pci_disable_device(hdsp->pci); + if (pci_is_enabled(hdsp->pci)) + pci_disable_device(hdsp->pci); return 0; } diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index 8d900c132f0f..97a0bff96b28 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -6883,7 +6883,8 @@ static int snd_hdspm_free(struct hdspm * hdspm) if (hdspm->port) pci_release_regions(hdspm->pci); - pci_disable_device(hdspm->pci); + if (pci_is_enabled(hdspm->pci)) + pci_disable_device(hdspm->pci); return 0; } diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c index 4df992e846f2..7a4d395abcee 100644 --- a/sound/pci/rme9652/rme9652.c +++ b/sound/pci/rme9652/rme9652.c @@ -1731,7 +1731,8 @@ static int snd_rme9652_free(struct snd_rme9652 *rme9652) if (rme9652->port) pci_release_regions(rme9652->pci); - pci_disable_device(rme9652->pci); + if (pci_is_enabled(rme9652->pci)) + pci_disable_device(rme9652->pci); return 0; } diff --git a/sound/pci/vx222/vx222_ops.c b/sound/pci/vx222/vx222_ops.c index 23d4338dc553..a05537202738 100644 --- a/sound/pci/vx222/vx222_ops.c +++ b/sound/pci/vx222/vx222_ops.c @@ -78,7 +78,7 @@ static inline unsigned long vx2_reg_addr(struct vx_core *_chip, int reg) } /** - * snd_vx_inb - read a byte from the register + * vx2_inb - read a byte from the register * @chip: VX core instance * @offset: register enum */ @@ -88,7 +88,7 @@ static unsigned char vx2_inb(struct vx_core *chip, int offset) } /** - * snd_vx_outb - write a byte on the register + * vx2_outb - write a byte on the register * @chip: VX core instance * @offset: the register offset * @val: the value to write @@ -102,7 +102,7 @@ static void vx2_outb(struct vx_core *chip, int offset, unsigned char val) } /** - * snd_vx_inl - read a 32bit word from the register + * vx2_inl - read a 32bit word from the register * @chip: VX core instance * @offset: register enum */ @@ -112,7 +112,7 @@ static unsigned int vx2_inl(struct vx_core *chip, int offset) } /** - * snd_vx_outl - write a 32bit word on the register + * vx2_outl - write a 32bit word on the register * @chip: VX core instance * @offset: the register enum * @val: the value to write @@ -213,7 +213,7 @@ static int vx2_test_xilinx(struct vx_core *_chip) /** - * vx_setup_pseudo_dma - set up the pseudo dma read/write mode. + * vx2_setup_pseudo_dma - set up the pseudo dma read/write mode. * @chip: VX core instance * @do_write: 0 = read, 1 = set up for DMA write */ diff --git a/sound/ppc/keywest.c b/sound/ppc/keywest.c index a6c1905039de..a8915100d6bb 100644 --- a/sound/ppc/keywest.c +++ b/sound/ppc/keywest.c @@ -13,12 +13,7 @@ #include <sound/core.h> #include "pmac.h" -/* - * we have to keep a static variable here since i2c attach_adapter - * callback cannot pass a private data. - */ static struct pmac_keywest *keywest_ctx; - static bool keywest_probed; static int keywest_probe(struct i2c_client *client, diff --git a/sound/ppc/snd_ps3_reg.h b/sound/ppc/snd_ps3_reg.h index 566a3189766d..e2212b79335c 100644 --- a/sound/ppc/snd_ps3_reg.h +++ b/sound/ppc/snd_ps3_reg.h @@ -308,7 +308,7 @@ Indicates Interrupt status, which interrupt has occurred, and can clear each interrupt in this register. Writing 1b to a field containing 1b clears field and de-asserts interrupt. Writing 0b to a field has no effect. -Field vaules are the following: +Field values are the following: 0 - Interrupt hasn't occurred. 1 - Interrupt has occurred. diff --git a/sound/usb/midi.c b/sound/usb/midi.c index 0c23fa6d8525..9efda4b06acb 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -47,6 +47,7 @@ #include <linux/usb.h> #include <linux/wait.h> #include <linux/usb/audio.h> +#include <linux/usb/midi.h> #include <linux/module.h> #include <sound/core.h> @@ -77,23 +78,6 @@ MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); MODULE_DESCRIPTION("USB Audio/MIDI helper module"); MODULE_LICENSE("Dual BSD/GPL"); - -struct usb_ms_header_descriptor { - __u8 bLength; - __u8 bDescriptorType; - __u8 bDescriptorSubtype; - __u8 bcdMSC[2]; - __le16 wTotalLength; -} __attribute__ ((packed)); - -struct usb_ms_endpoint_descriptor { - __u8 bLength; - __u8 bDescriptorType; - __u8 bDescriptorSubtype; - __u8 bNumEmbMIDIJack; - __u8 baAssocJackID[]; -} __attribute__ ((packed)); - struct snd_usb_midi_in_endpoint; struct snd_usb_midi_out_endpoint; struct snd_usb_midi_endpoint; @@ -1756,12 +1740,68 @@ static void snd_usbmidi_get_port_info(struct snd_rawmidi *rmidi, int number, } } +static struct usb_midi_in_jack_descriptor *find_usb_in_jack_descriptor( + struct usb_host_interface *hostif, uint8_t jack_id) +{ + unsigned char *extra = hostif->extra; + int extralen = hostif->extralen; + + while (extralen > 4) { + struct usb_midi_in_jack_descriptor *injd = + (struct usb_midi_in_jack_descriptor *)extra; + + if (injd->bLength > 4 && + injd->bDescriptorType == USB_DT_CS_INTERFACE && + injd->bDescriptorSubtype == UAC_MIDI_IN_JACK && + injd->bJackID == jack_id) + return injd; + if (!extra[0]) + break; + extralen -= extra[0]; + extra += extra[0]; + } + return NULL; +} + +static struct usb_midi_out_jack_descriptor *find_usb_out_jack_descriptor( + struct usb_host_interface *hostif, uint8_t jack_id) +{ + unsigned char *extra = hostif->extra; + int extralen = hostif->extralen; + + while (extralen > 4) { + struct usb_midi_out_jack_descriptor *outjd = + (struct usb_midi_out_jack_descriptor *)extra; + + if (outjd->bLength > 4 && + outjd->bDescriptorType == USB_DT_CS_INTERFACE && + outjd->bDescriptorSubtype == UAC_MIDI_OUT_JACK && + outjd->bJackID == jack_id) + return outjd; + if (!extra[0]) + break; + extralen -= extra[0]; + extra += extra[0]; + } + return NULL; +} + static void snd_usbmidi_init_substream(struct snd_usb_midi *umidi, - int stream, int number, + int stream, int number, int jack_id, struct snd_rawmidi_substream **rsubstream) { struct port_info *port_info; const char *name_format; + struct usb_interface *intf; + struct usb_host_interface *hostif; + struct usb_midi_in_jack_descriptor *injd; + struct usb_midi_out_jack_descriptor *outjd; + uint8_t jack_name_buf[32]; + uint8_t *default_jack_name = "MIDI"; + uint8_t *jack_name = default_jack_name; + uint8_t iJack; + size_t sz; + int res; struct snd_rawmidi_substream *substream = snd_usbmidi_find_substream(umidi, stream, number); @@ -1771,11 +1811,36 @@ static void snd_usbmidi_init_substream(struct snd_usb_midi *umidi, return; } - /* TODO: read port name from jack descriptor */ + intf = umidi->iface; + if (intf && jack_id >= 0) { + hostif = intf->cur_altsetting; + iJack = 0; + if (stream != SNDRV_RAWMIDI_STREAM_OUTPUT) { + /* in jacks connect to outs */ + outjd = find_usb_out_jack_descriptor(hostif, jack_id); + if (outjd) { + sz = USB_DT_MIDI_OUT_SIZE(outjd->bNrInputPins); + iJack = *(((uint8_t *) outjd) + sz - sizeof(uint8_t)); + } + } else { + /* and out jacks connect to ins */ + injd = find_usb_in_jack_descriptor(hostif, jack_id); + if (injd) + iJack = injd->iJack; + } + if (iJack != 0) { + res = usb_string(umidi->dev, iJack, jack_name_buf, + ARRAY_SIZE(jack_name_buf)); + if (res) + jack_name = jack_name_buf; + } + } + port_info = find_port_info(umidi, number); - name_format = port_info ? port_info->name : "%s MIDI %d"; + name_format = port_info ? port_info->name : + (jack_name != default_jack_name ? "%s %s" : "%s %s %d"); snprintf(substream->name, sizeof(substream->name), - name_format, umidi->card->shortname, number + 1); + name_format, umidi->card->shortname, jack_name, number + 1); *rsubstream = substream; } @@ -1810,6 +1875,7 @@ static int snd_usbmidi_create_endpoints(struct snd_usb_midi *umidi, snd_usbmidi_init_substream(umidi, SNDRV_RAWMIDI_STREAM_OUTPUT, out_ports, + endpoints[i].assoc_out_jacks[j], &umidi->endpoints[i].out->ports[j].substream); ++out_ports; } @@ -1817,6 +1883,7 @@ static int snd_usbmidi_create_endpoints(struct snd_usb_midi *umidi, snd_usbmidi_init_substream(umidi, SNDRV_RAWMIDI_STREAM_INPUT, in_ports, + endpoints[i].assoc_in_jacks[j], &umidi->endpoints[i].in->ports[j].substream); ++in_ports; } @@ -1862,7 +1929,7 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi *umidi, struct usb_host_endpoint *hostep; struct usb_endpoint_descriptor *ep; struct usb_ms_endpoint_descriptor *ms_ep; - int i, epidx; + int i, j, epidx; intf = umidi->iface; if (!intf) @@ -1875,7 +1942,7 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi *umidi, ms_header->bDescriptorType == USB_DT_CS_INTERFACE && ms_header->bDescriptorSubtype == UAC_HEADER) dev_dbg(&umidi->dev->dev, "MIDIStreaming version %02x.%02x\n", - ms_header->bcdMSC[1], ms_header->bcdMSC[0]); + ((uint8_t *)&ms_header->bcdMSC)[1], ((uint8_t *)&ms_header->bcdMSC)[0]); else dev_warn(&umidi->dev->dev, "MIDIStreaming interface descriptor not found\n"); @@ -1911,6 +1978,10 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi *umidi, endpoints[epidx].out_interval = 1; endpoints[epidx].out_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1; + for (j = 0; j < ms_ep->bNumEmbMIDIJack; ++j) + endpoints[epidx].assoc_out_jacks[j] = ms_ep->baAssocJackID[j]; + for (; j < ARRAY_SIZE(endpoints[epidx].assoc_out_jacks); ++j) + endpoints[epidx].assoc_out_jacks[j] = -1; dev_dbg(&umidi->dev->dev, "EP %02X: %d jack(s)\n", ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack); } else { @@ -1928,6 +1999,10 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi *umidi, endpoints[epidx].in_interval = 1; endpoints[epidx].in_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1; + for (j = 0; j < ms_ep->bNumEmbMIDIJack; ++j) + endpoints[epidx].assoc_in_jacks[j] = ms_ep->baAssocJackID[j]; + for (; j < ARRAY_SIZE(endpoints[epidx].assoc_in_jacks); ++j) + endpoints[epidx].assoc_in_jacks[j] = -1; dev_dbg(&umidi->dev->dev, "EP %02X: %d jack(s)\n", ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack); } @@ -2244,11 +2319,13 @@ static int snd_usbmidi_create_endpoints_midiman(struct snd_usb_midi *umidi, snd_usbmidi_init_substream(umidi, SNDRV_RAWMIDI_STREAM_OUTPUT, cable, + -1 /* prevent trying to find jack */, &umidi->endpoints[cable & 1].out->ports[cable].substream); if (endpoint->in_cables & (1 << cable)) snd_usbmidi_init_substream(umidi, SNDRV_RAWMIDI_STREAM_INPUT, cable, + -1 /* prevent trying to find jack */, &umidi->endpoints[0].in->ports[cable].substream); } return 0; diff --git a/sound/usb/midi.h b/sound/usb/midi.h index 8c38aec22999..3f153195c841 100644 --- a/sound/usb/midi.h +++ b/sound/usb/midi.h @@ -13,6 +13,8 @@ struct snd_usb_midi_endpoint_info { uint8_t in_interval; uint16_t out_cables; /* bitmask */ uint16_t in_cables; /* bitmask */ + int16_t assoc_in_jacks[16]; + int16_t assoc_out_jacks[16]; }; /* for QUIRK_MIDI_YAMAHA, data is NULL */ diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index b004b2e63a5d..2faf5767c7f8 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1446,13 +1446,11 @@ static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, return 0; } -/* get the connectors status and report it as boolean type */ -static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) +static int get_connector_value(struct usb_mixer_elem_info *cval, + char *name, int *val) { - struct usb_mixer_elem_info *cval = kcontrol->private_data; struct snd_usb_audio *chip = cval->head.mixer->chip; - int idx = 0, validx, ret, val; + int idx = 0, validx, ret; validx = cval->control << 8 | 0; @@ -1467,21 +1465,24 @@ static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, validx, idx, &uac2_conn, sizeof(uac2_conn)); - val = !!uac2_conn.bNrChannels; + if (val) + *val = !!uac2_conn.bNrChannels; } else { /* UAC_VERSION_3 */ struct uac3_insertion_ctl_blk uac3_conn; ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, validx, idx, &uac3_conn, sizeof(uac3_conn)); - val = !!uac3_conn.bmConInserted; + if (val) + *val = !!uac3_conn.bmConInserted; } snd_usb_unlock_shutdown(chip); if (ret < 0) { - if (strstr(kcontrol->id.name, "Speaker")) { - ucontrol->value.integer.value[0] = 1; + if (name && strstr(name, "Speaker")) { + if (val) + *val = 1; return 0; } error: @@ -1491,6 +1492,21 @@ error: return filter_error(cval, ret); } + return ret; +} + +/* get the connectors status and report it as boolean type */ +static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *cval = kcontrol->private_data; + int ret, val; + + ret = get_connector_value(cval, kcontrol->id.name, &val); + + if (ret < 0) + return ret; + ucontrol->value.integer.value[0] = val; return 0; } @@ -3615,20 +3631,43 @@ static int restore_mixer_value(struct usb_mixer_elem_list *list) return 0; } +static int default_mixer_resume(struct usb_mixer_elem_list *list) +{ + struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); + + /* get connector value to "wake up" the USB audio */ + if (cval->val_type == USB_MIXER_BOOLEAN && cval->channels == 1) + get_connector_value(cval, NULL, NULL); + + return 0; +} + +static int default_mixer_reset_resume(struct usb_mixer_elem_list *list) +{ + int err = default_mixer_resume(list); + + if (err < 0) + return err; + return restore_mixer_value(list); +} + int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) { struct usb_mixer_elem_list *list; + usb_mixer_elem_resume_func_t f; int id, err; - if (reset_resume) { - /* restore cached mixer values */ - for (id = 0; id < MAX_ID_ELEMS; id++) { - for_each_mixer_elem(list, mixer, id) { - if (list->resume) { - err = list->resume(list); - if (err < 0) - return err; - } + /* restore cached mixer values */ + for (id = 0; id < MAX_ID_ELEMS; id++) { + for_each_mixer_elem(list, mixer, id) { + if (reset_resume) + f = list->reset_resume; + else + f = list->resume; + if (f) { + err = f(list); + if (err < 0) + return err; } } } @@ -3647,6 +3686,7 @@ void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, list->id = unitid; list->dump = snd_usb_mixer_dump_cval; #ifdef CONFIG_PM - list->resume = restore_mixer_value; + list->resume = default_mixer_resume; + list->reset_resume = default_mixer_reset_resume; #endif } diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index c29e27ac43a7..e5a01f17bf3c 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -69,6 +69,7 @@ struct usb_mixer_elem_list { bool is_std_info; usb_mixer_elem_dump_func_t dump; usb_mixer_elem_resume_func_t resume; + usb_mixer_elem_resume_func_t reset_resume; }; /* iterate over mixer element list of the given unit id */ diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index ffd922327ae4..fda66b2dbb01 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -151,7 +151,7 @@ static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer, *listp = list; list->mixer = mixer; list->id = id; - list->resume = resume; + list->reset_resume = resume; kctl = snd_ctl_new1(knew, list); if (!kctl) { kfree(list); @@ -2649,9 +2649,11 @@ static int snd_bbfpro_controls_create(struct usb_mixer_interface *mixer) #define SND_DJM_DEVICE_SHIFT 24 // device table index +// used for the snd_djm_devices table, so please update accordingly #define SND_DJM_250MK2_IDX 0x0 #define SND_DJM_750_IDX 0x1 -#define SND_DJM_900NXS2_IDX 0x2 +#define SND_DJM_850_IDX 0x2 +#define SND_DJM_900NXS2_IDX 0x3 #define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \ @@ -2691,7 +2693,7 @@ static const char *snd_djm_get_label_caplevel(u16 wvalue) } }; -static const char *snd_djm_get_label_cap(u16 wvalue) +static const char *snd_djm_get_label_cap_common(u16 wvalue) { switch (wvalue & 0x00ff) { case SND_DJM_CAP_LINE: return "Control Tone LINE"; @@ -2713,6 +2715,25 @@ static const char *snd_djm_get_label_cap(u16 wvalue) } }; +// The DJM-850 has different values for CD/LINE and LINE capture +// control options than the other DJM declared in this file. +static const char *snd_djm_get_label_cap_850(u16 wvalue) +{ + switch (wvalue & 0x00ff) { + case 0x00: return "Control Tone CD/LINE"; + case 0x01: return "Control Tone LINE"; + default: return snd_djm_get_label_cap_common(wvalue); + } +}; + +static const char *snd_djm_get_label_cap(u8 device_idx, u16 wvalue) +{ + switch (device_idx) { + case SND_DJM_850_IDX: return snd_djm_get_label_cap_850(wvalue); + default: return snd_djm_get_label_cap_common(wvalue); + } +}; + static const char *snd_djm_get_label_pb(u16 wvalue) { switch (wvalue & 0x00ff) { @@ -2723,21 +2744,22 @@ static const char *snd_djm_get_label_pb(u16 wvalue) } }; -static const char *snd_djm_get_label(u16 wvalue, u16 windex) +static const char *snd_djm_get_label(u8 device_idx, u16 wvalue, u16 windex) { switch (windex) { case SND_DJM_WINDEX_CAPLVL: return snd_djm_get_label_caplevel(wvalue); - case SND_DJM_WINDEX_CAP: return snd_djm_get_label_cap(wvalue); + case SND_DJM_WINDEX_CAP: return snd_djm_get_label_cap(device_idx, wvalue); case SND_DJM_WINDEX_PB: return snd_djm_get_label_pb(wvalue); default: return NULL; } }; - -// DJM-250MK2 +// common DJM capture level option values static const u16 snd_djm_opts_cap_level[] = { 0x0000, 0x0100, 0x0200, 0x0300 }; + +// DJM-250MK2 static const u16 snd_djm_opts_250mk2_cap1[] = { 0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a }; @@ -2781,6 +2803,25 @@ static const struct snd_djm_ctl snd_djm_ctls_750[] = { }; +// DJM-850 +static const u16 snd_djm_opts_850_cap1[] = { + 0x0100, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f }; +static const u16 snd_djm_opts_850_cap2[] = { + 0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f }; +static const u16 snd_djm_opts_850_cap3[] = { + 0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f }; +static const u16 snd_djm_opts_850_cap4[] = { + 0x0400, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f }; + +static const struct snd_djm_ctl snd_djm_ctls_850[] = { + SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL), + SND_DJM_CTL("Ch1 Input", 850_cap1, 1, SND_DJM_WINDEX_CAP), + SND_DJM_CTL("Ch2 Input", 850_cap2, 0, SND_DJM_WINDEX_CAP), + SND_DJM_CTL("Ch3 Input", 850_cap3, 0, SND_DJM_WINDEX_CAP), + SND_DJM_CTL("Ch4 Input", 850_cap4, 1, SND_DJM_WINDEX_CAP) +}; + + // DJM-900NXS2 static const u16 snd_djm_opts_900nxs2_cap1[] = { 0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a }; @@ -2806,6 +2847,7 @@ static const struct snd_djm_ctl snd_djm_ctls_900nxs2[] = { static const struct snd_djm_device snd_djm_devices[] = { SND_DJM_DEVICE(250mk2), SND_DJM_DEVICE(750), + SND_DJM_DEVICE(850), SND_DJM_DEVICE(900nxs2) }; @@ -2829,7 +2871,8 @@ static int snd_djm_controls_info(struct snd_kcontrol *kctl, if (info->value.enumerated.item >= noptions) info->value.enumerated.item = noptions - 1; - name = snd_djm_get_label(ctl->options[info->value.enumerated.item], + name = snd_djm_get_label(device_idx, + ctl->options[info->value.enumerated.item], ctl->wIndex); if (!name) return -EINVAL; @@ -3045,6 +3088,9 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) case USB_ID(0x08e4, 0x017f): /* Pioneer DJ DJM-750 */ err = snd_djm_controls_create(mixer, SND_DJM_750_IDX); break; + case USB_ID(0x08e4, 0x0163): /* Pioneer DJ DJM-850 */ + err = snd_djm_controls_create(mixer, SND_DJM_850_IDX); + break; case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */ err = snd_djm_controls_create(mixer, SND_DJM_900NXS2_IDX); break; diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 1165a5ac60f2..9716a9f7c095 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -3819,6 +3819,69 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"), }, { /* + * Pioneer DJ DJM-850 + * 8 channels playback and 8 channels capture @ 44.1/48/96kHz S24LE + * Playback on EP 0x05 + * Capture on EP 0x86 + */ + USB_DEVICE_VENDOR_SPEC(0x08e4, 0x0163), + .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_FIXED_ENDPOINT, + .data = &(const struct audioformat) { + .formats = SNDRV_PCM_FMTBIT_S24_3LE, + .channels = 8, + .iface = 0, + .altsetting = 1, + .altset_idx = 1, + .endpoint = 0x05, + .ep_attr = USB_ENDPOINT_XFER_ISOC| + USB_ENDPOINT_SYNC_ASYNC| + USB_ENDPOINT_USAGE_DATA, + .rates = SNDRV_PCM_RATE_44100| + SNDRV_PCM_RATE_48000| + SNDRV_PCM_RATE_96000, + .rate_min = 44100, + .rate_max = 96000, + .nr_rates = 3, + .rate_table = (unsigned int[]) { 44100, 48000, 96000 } + } + }, + { + .ifnum = 0, + .type = QUIRK_AUDIO_FIXED_ENDPOINT, + .data = &(const struct audioformat) { + .formats = SNDRV_PCM_FMTBIT_S24_3LE, + .channels = 8, + .iface = 0, + .altsetting = 1, + .altset_idx = 1, + .endpoint = 0x86, + .ep_idx = 1, + .ep_attr = USB_ENDPOINT_XFER_ISOC| + USB_ENDPOINT_SYNC_ASYNC| + USB_ENDPOINT_USAGE_DATA, + .rates = SNDRV_PCM_RATE_44100| + SNDRV_PCM_RATE_48000| + SNDRV_PCM_RATE_96000, + .rate_min = 44100, + .rate_max = 96000, + .nr_rates = 3, + .rate_table = (unsigned int[]) { 44100, 48000, 96000 } + } + }, + { + .ifnum = -1 + } + } + } +}, +{ + /* * Pioneer DJ DJM-450 * PCM is 8 channels out @ 48 fixed (endpoint 0x01) * and 8 channels in @ 48 fixed (endpoint 0x82). diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index d3001fb18141..9e5e37eff10e 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1503,6 +1503,9 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs, case USB_ID(0x2b73, 0x0013): /* Pioneer DJM-450 */ pioneer_djm_set_format_quirk(subs, 0x0082); break; + case USB_ID(0x08e4, 0x0163): /* Pioneer DJM-850 */ + pioneer_djm_set_format_quirk(subs, 0x0086); + break; } } diff --git a/sound/virtio/Kconfig b/sound/virtio/Kconfig new file mode 100644 index 000000000000..094cba24ee5b --- /dev/null +++ b/sound/virtio/Kconfig @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0+ +# Sound card driver for virtio + +config SND_VIRTIO + tristate "Virtio sound driver" + depends on VIRTIO + select SND_PCM + select SND_JACK + help + This is the virtual sound driver for virtio. Say Y or M. diff --git a/sound/virtio/Makefile b/sound/virtio/Makefile new file mode 100644 index 000000000000..2742bddb8874 --- /dev/null +++ b/sound/virtio/Makefile @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-$(CONFIG_SND_VIRTIO) += virtio_snd.o + +virtio_snd-objs := \ + virtio_card.o \ + virtio_chmap.o \ + virtio_ctl_msg.o \ + virtio_jack.o \ + virtio_pcm.o \ + virtio_pcm_msg.o \ + virtio_pcm_ops.o + diff --git a/sound/virtio/virtio_card.c b/sound/virtio/virtio_card.c new file mode 100644 index 000000000000..ae9128063917 --- /dev/null +++ b/sound/virtio/virtio_card.c @@ -0,0 +1,449 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/virtio_config.h> +#include <sound/initval.h> +#include <uapi/linux/virtio_ids.h> + +#include "virtio_card.h" + +u32 virtsnd_msg_timeout_ms = MSEC_PER_SEC; +module_param_named(msg_timeout_ms, virtsnd_msg_timeout_ms, uint, 0644); +MODULE_PARM_DESC(msg_timeout_ms, "Message completion timeout in milliseconds"); + +static void virtsnd_remove(struct virtio_device *vdev); + +/** + * virtsnd_event_send() - Add an event to the event queue. + * @vqueue: Underlying event virtqueue. + * @event: Event. + * @notify: Indicates whether or not to send a notification to the device. + * @gfp: Kernel flags for memory allocation. + * + * Context: Any context. + */ +static void virtsnd_event_send(struct virtqueue *vqueue, + struct virtio_snd_event *event, bool notify, + gfp_t gfp) +{ + struct scatterlist sg; + struct scatterlist *psgs[1] = { &sg }; + + /* reset event content */ + memset(event, 0, sizeof(*event)); + + sg_init_one(&sg, event, sizeof(*event)); + + if (virtqueue_add_sgs(vqueue, psgs, 0, 1, event, gfp) || !notify) + return; + + if (virtqueue_kick_prepare(vqueue)) + virtqueue_notify(vqueue); +} + +/** + * virtsnd_event_dispatch() - Dispatch an event from the device side. + * @snd: VirtIO sound device. + * @event: VirtIO sound event. + * + * Context: Any context. + */ +static void virtsnd_event_dispatch(struct virtio_snd *snd, + struct virtio_snd_event *event) +{ + switch (le32_to_cpu(event->hdr.code)) { + case VIRTIO_SND_EVT_JACK_CONNECTED: + case VIRTIO_SND_EVT_JACK_DISCONNECTED: + virtsnd_jack_event(snd, event); + break; + case VIRTIO_SND_EVT_PCM_PERIOD_ELAPSED: + case VIRTIO_SND_EVT_PCM_XRUN: + virtsnd_pcm_event(snd, event); + break; + } +} + +/** + * virtsnd_event_notify_cb() - Dispatch all reported events from the event queue. + * @vqueue: Underlying event virtqueue. + * + * This callback function is called upon a vring interrupt request from the + * device. + * + * Context: Interrupt context. + */ +static void virtsnd_event_notify_cb(struct virtqueue *vqueue) +{ + struct virtio_snd *snd = vqueue->vdev->priv; + struct virtio_snd_queue *queue = virtsnd_event_queue(snd); + struct virtio_snd_event *event; + u32 length; + unsigned long flags; + + spin_lock_irqsave(&queue->lock, flags); + do { + virtqueue_disable_cb(vqueue); + while ((event = virtqueue_get_buf(vqueue, &length))) { + virtsnd_event_dispatch(snd, event); + virtsnd_event_send(vqueue, event, true, GFP_ATOMIC); + } + if (unlikely(virtqueue_is_broken(vqueue))) + break; + } while (!virtqueue_enable_cb(vqueue)); + spin_unlock_irqrestore(&queue->lock, flags); +} + +/** + * virtsnd_find_vqs() - Enumerate and initialize all virtqueues. + * @snd: VirtIO sound device. + * + * After calling this function, the event queue is disabled. + * + * Context: Any context. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_find_vqs(struct virtio_snd *snd) +{ + struct virtio_device *vdev = snd->vdev; + static vq_callback_t *callbacks[VIRTIO_SND_VQ_MAX] = { + [VIRTIO_SND_VQ_CONTROL] = virtsnd_ctl_notify_cb, + [VIRTIO_SND_VQ_EVENT] = virtsnd_event_notify_cb, + [VIRTIO_SND_VQ_TX] = virtsnd_pcm_tx_notify_cb, + [VIRTIO_SND_VQ_RX] = virtsnd_pcm_rx_notify_cb + }; + static const char *names[VIRTIO_SND_VQ_MAX] = { + [VIRTIO_SND_VQ_CONTROL] = "virtsnd-ctl", + [VIRTIO_SND_VQ_EVENT] = "virtsnd-event", + [VIRTIO_SND_VQ_TX] = "virtsnd-tx", + [VIRTIO_SND_VQ_RX] = "virtsnd-rx" + }; + struct virtqueue *vqs[VIRTIO_SND_VQ_MAX] = { 0 }; + unsigned int i; + unsigned int n; + int rc; + + rc = virtio_find_vqs(vdev, VIRTIO_SND_VQ_MAX, vqs, callbacks, names, + NULL); + if (rc) { + dev_err(&vdev->dev, "failed to initialize virtqueues\n"); + return rc; + } + + for (i = 0; i < VIRTIO_SND_VQ_MAX; ++i) + snd->queues[i].vqueue = vqs[i]; + + /* Allocate events and populate the event queue */ + virtqueue_disable_cb(vqs[VIRTIO_SND_VQ_EVENT]); + + n = virtqueue_get_vring_size(vqs[VIRTIO_SND_VQ_EVENT]); + + snd->event_msgs = kmalloc_array(n, sizeof(*snd->event_msgs), + GFP_KERNEL); + if (!snd->event_msgs) + return -ENOMEM; + + for (i = 0; i < n; ++i) + virtsnd_event_send(vqs[VIRTIO_SND_VQ_EVENT], + &snd->event_msgs[i], false, GFP_KERNEL); + + return 0; +} + +/** + * virtsnd_enable_event_vq() - Enable the event virtqueue. + * @snd: VirtIO sound device. + * + * Context: Any context. + */ +static void virtsnd_enable_event_vq(struct virtio_snd *snd) +{ + struct virtio_snd_queue *queue = virtsnd_event_queue(snd); + + if (!virtqueue_enable_cb(queue->vqueue)) + virtsnd_event_notify_cb(queue->vqueue); +} + +/** + * virtsnd_disable_event_vq() - Disable the event virtqueue. + * @snd: VirtIO sound device. + * + * Context: Any context. + */ +static void virtsnd_disable_event_vq(struct virtio_snd *snd) +{ + struct virtio_snd_queue *queue = virtsnd_event_queue(snd); + struct virtio_snd_event *event; + u32 length; + unsigned long flags; + + if (queue->vqueue) { + spin_lock_irqsave(&queue->lock, flags); + virtqueue_disable_cb(queue->vqueue); + while ((event = virtqueue_get_buf(queue->vqueue, &length))) + virtsnd_event_dispatch(snd, event); + spin_unlock_irqrestore(&queue->lock, flags); + } +} + +/** + * virtsnd_build_devs() - Read configuration and build ALSA devices. + * @snd: VirtIO sound device. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_build_devs(struct virtio_snd *snd) +{ + struct virtio_device *vdev = snd->vdev; + struct device *dev = &vdev->dev; + int rc; + + rc = snd_card_new(dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, + THIS_MODULE, 0, &snd->card); + if (rc < 0) + return rc; + + snd->card->private_data = snd; + + strscpy(snd->card->driver, VIRTIO_SND_CARD_DRIVER, + sizeof(snd->card->driver)); + strscpy(snd->card->shortname, VIRTIO_SND_CARD_NAME, + sizeof(snd->card->shortname)); + if (dev->parent->bus) + snprintf(snd->card->longname, sizeof(snd->card->longname), + VIRTIO_SND_CARD_NAME " at %s/%s/%s", + dev->parent->bus->name, dev_name(dev->parent), + dev_name(dev)); + else + snprintf(snd->card->longname, sizeof(snd->card->longname), + VIRTIO_SND_CARD_NAME " at %s/%s", + dev_name(dev->parent), dev_name(dev)); + + rc = virtsnd_jack_parse_cfg(snd); + if (rc) + return rc; + + rc = virtsnd_pcm_parse_cfg(snd); + if (rc) + return rc; + + rc = virtsnd_chmap_parse_cfg(snd); + if (rc) + return rc; + + if (snd->njacks) { + rc = virtsnd_jack_build_devs(snd); + if (rc) + return rc; + } + + if (snd->nsubstreams) { + rc = virtsnd_pcm_build_devs(snd); + if (rc) + return rc; + } + + if (snd->nchmaps) { + rc = virtsnd_chmap_build_devs(snd); + if (rc) + return rc; + } + + return snd_card_register(snd->card); +} + +/** + * virtsnd_validate() - Validate if the device can be started. + * @vdev: VirtIO parent device. + * + * Context: Any context. + * Return: 0 on success, -EINVAL on failure. + */ +static int virtsnd_validate(struct virtio_device *vdev) +{ + if (!vdev->config->get) { + dev_err(&vdev->dev, "configuration access disabled\n"); + return -EINVAL; + } + + if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) { + dev_err(&vdev->dev, + "device does not comply with spec version 1.x\n"); + return -EINVAL; + } + + if (!virtsnd_msg_timeout_ms) { + dev_err(&vdev->dev, "msg_timeout_ms value cannot be zero\n"); + return -EINVAL; + } + + if (virtsnd_pcm_validate(vdev)) + return -EINVAL; + + return 0; +} + +/** + * virtsnd_probe() - Create and initialize the device. + * @vdev: VirtIO parent device. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_probe(struct virtio_device *vdev) +{ + struct virtio_snd *snd; + unsigned int i; + int rc; + + snd = devm_kzalloc(&vdev->dev, sizeof(*snd), GFP_KERNEL); + if (!snd) + return -ENOMEM; + + snd->vdev = vdev; + INIT_LIST_HEAD(&snd->ctl_msgs); + INIT_LIST_HEAD(&snd->pcm_list); + + vdev->priv = snd; + + for (i = 0; i < VIRTIO_SND_VQ_MAX; ++i) + spin_lock_init(&snd->queues[i].lock); + + rc = virtsnd_find_vqs(snd); + if (rc) + goto on_exit; + + virtio_device_ready(vdev); + + rc = virtsnd_build_devs(snd); + if (rc) + goto on_exit; + + virtsnd_enable_event_vq(snd); + +on_exit: + if (rc) + virtsnd_remove(vdev); + + return rc; +} + +/** + * virtsnd_remove() - Remove VirtIO and ALSA devices. + * @vdev: VirtIO parent device. + * + * Context: Any context that permits to sleep. + */ +static void virtsnd_remove(struct virtio_device *vdev) +{ + struct virtio_snd *snd = vdev->priv; + unsigned int i; + + virtsnd_disable_event_vq(snd); + virtsnd_ctl_msg_cancel_all(snd); + + if (snd->card) + snd_card_free(snd->card); + + vdev->config->del_vqs(vdev); + vdev->config->reset(vdev); + + for (i = 0; snd->substreams && i < snd->nsubstreams; ++i) { + struct virtio_pcm_substream *vss = &snd->substreams[i]; + + cancel_work_sync(&vss->elapsed_period); + virtsnd_pcm_msg_free(vss); + } + + kfree(snd->event_msgs); +} + +#ifdef CONFIG_PM_SLEEP +/** + * virtsnd_freeze() - Suspend device. + * @vdev: VirtIO parent device. + * + * Context: Any context. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_freeze(struct virtio_device *vdev) +{ + struct virtio_snd *snd = vdev->priv; + unsigned int i; + + virtsnd_disable_event_vq(snd); + virtsnd_ctl_msg_cancel_all(snd); + + vdev->config->del_vqs(vdev); + vdev->config->reset(vdev); + + for (i = 0; i < snd->nsubstreams; ++i) + cancel_work_sync(&snd->substreams[i].elapsed_period); + + kfree(snd->event_msgs); + snd->event_msgs = NULL; + + return 0; +} + +/** + * virtsnd_restore() - Resume device. + * @vdev: VirtIO parent device. + * + * Context: Any context. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_restore(struct virtio_device *vdev) +{ + struct virtio_snd *snd = vdev->priv; + int rc; + + rc = virtsnd_find_vqs(snd); + if (rc) + return rc; + + virtio_device_ready(vdev); + + virtsnd_enable_event_vq(snd); + + return 0; +} +#endif /* CONFIG_PM_SLEEP */ + +static const struct virtio_device_id id_table[] = { + { VIRTIO_ID_SOUND, VIRTIO_DEV_ANY_ID }, + { 0 }, +}; + +static struct virtio_driver virtsnd_driver = { + .driver.name = KBUILD_MODNAME, + .driver.owner = THIS_MODULE, + .id_table = id_table, + .validate = virtsnd_validate, + .probe = virtsnd_probe, + .remove = virtsnd_remove, +#ifdef CONFIG_PM_SLEEP + .freeze = virtsnd_freeze, + .restore = virtsnd_restore, +#endif +}; + +static int __init init(void) +{ + return register_virtio_driver(&virtsnd_driver); +} +module_init(init); + +static void __exit fini(void) +{ + unregister_virtio_driver(&virtsnd_driver); +} +module_exit(fini); + +MODULE_DEVICE_TABLE(virtio, id_table); +MODULE_DESCRIPTION("Virtio sound card driver"); +MODULE_LICENSE("GPL"); diff --git a/sound/virtio/virtio_card.h b/sound/virtio/virtio_card.h new file mode 100644 index 000000000000..86ef3941895e --- /dev/null +++ b/sound/virtio/virtio_card.h @@ -0,0 +1,111 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#ifndef VIRTIO_SND_CARD_H +#define VIRTIO_SND_CARD_H + +#include <linux/slab.h> +#include <linux/virtio.h> +#include <sound/core.h> +#include <uapi/linux/virtio_snd.h> + +#include "virtio_ctl_msg.h" +#include "virtio_pcm.h" + +#define VIRTIO_SND_CARD_DRIVER "virtio-snd" +#define VIRTIO_SND_CARD_NAME "VirtIO SoundCard" +#define VIRTIO_SND_PCM_NAME "VirtIO PCM" + +struct virtio_jack; +struct virtio_pcm_substream; + +/** + * struct virtio_snd_queue - Virtqueue wrapper structure. + * @lock: Used to synchronize access to a virtqueue. + * @vqueue: Underlying virtqueue. + */ +struct virtio_snd_queue { + spinlock_t lock; + struct virtqueue *vqueue; +}; + +/** + * struct virtio_snd - VirtIO sound card device. + * @vdev: Underlying virtio device. + * @queues: Virtqueue wrappers. + * @card: ALSA sound card. + * @ctl_msgs: Pending control request list. + * @event_msgs: Device events. + * @pcm_list: VirtIO PCM device list. + * @jacks: VirtIO jacks. + * @njacks: Number of jacks. + * @substreams: VirtIO PCM substreams. + * @nsubstreams: Number of PCM substreams. + * @chmaps: VirtIO channel maps. + * @nchmaps: Number of channel maps. + */ +struct virtio_snd { + struct virtio_device *vdev; + struct virtio_snd_queue queues[VIRTIO_SND_VQ_MAX]; + struct snd_card *card; + struct list_head ctl_msgs; + struct virtio_snd_event *event_msgs; + struct list_head pcm_list; + struct virtio_jack *jacks; + u32 njacks; + struct virtio_pcm_substream *substreams; + u32 nsubstreams; + struct virtio_snd_chmap_info *chmaps; + u32 nchmaps; +}; + +/* Message completion timeout in milliseconds (module parameter). */ +extern u32 virtsnd_msg_timeout_ms; + +static inline struct virtio_snd_queue * +virtsnd_control_queue(struct virtio_snd *snd) +{ + return &snd->queues[VIRTIO_SND_VQ_CONTROL]; +} + +static inline struct virtio_snd_queue * +virtsnd_event_queue(struct virtio_snd *snd) +{ + return &snd->queues[VIRTIO_SND_VQ_EVENT]; +} + +static inline struct virtio_snd_queue * +virtsnd_tx_queue(struct virtio_snd *snd) +{ + return &snd->queues[VIRTIO_SND_VQ_TX]; +} + +static inline struct virtio_snd_queue * +virtsnd_rx_queue(struct virtio_snd *snd) +{ + return &snd->queues[VIRTIO_SND_VQ_RX]; +} + +static inline struct virtio_snd_queue * +virtsnd_pcm_queue(struct virtio_pcm_substream *vss) +{ + if (vss->direction == SNDRV_PCM_STREAM_PLAYBACK) + return virtsnd_tx_queue(vss->snd); + else + return virtsnd_rx_queue(vss->snd); +} + +int virtsnd_jack_parse_cfg(struct virtio_snd *snd); + +int virtsnd_jack_build_devs(struct virtio_snd *snd); + +void virtsnd_jack_event(struct virtio_snd *snd, + struct virtio_snd_event *event); + +int virtsnd_chmap_parse_cfg(struct virtio_snd *snd); + +int virtsnd_chmap_build_devs(struct virtio_snd *snd); + +#endif /* VIRTIO_SND_CARD_H */ diff --git a/sound/virtio/virtio_chmap.c b/sound/virtio/virtio_chmap.c new file mode 100644 index 000000000000..5bc924933a59 --- /dev/null +++ b/sound/virtio/virtio_chmap.c @@ -0,0 +1,219 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#include <linux/virtio_config.h> + +#include "virtio_card.h" + +/* VirtIO->ALSA channel position map */ +static const u8 g_v2a_position_map[] = { + [VIRTIO_SND_CHMAP_NONE] = SNDRV_CHMAP_UNKNOWN, + [VIRTIO_SND_CHMAP_NA] = SNDRV_CHMAP_NA, + [VIRTIO_SND_CHMAP_MONO] = SNDRV_CHMAP_MONO, + [VIRTIO_SND_CHMAP_FL] = SNDRV_CHMAP_FL, + [VIRTIO_SND_CHMAP_FR] = SNDRV_CHMAP_FR, + [VIRTIO_SND_CHMAP_RL] = SNDRV_CHMAP_RL, + [VIRTIO_SND_CHMAP_RR] = SNDRV_CHMAP_RR, + [VIRTIO_SND_CHMAP_FC] = SNDRV_CHMAP_FC, + [VIRTIO_SND_CHMAP_LFE] = SNDRV_CHMAP_LFE, + [VIRTIO_SND_CHMAP_SL] = SNDRV_CHMAP_SL, + [VIRTIO_SND_CHMAP_SR] = SNDRV_CHMAP_SR, + [VIRTIO_SND_CHMAP_RC] = SNDRV_CHMAP_RC, + [VIRTIO_SND_CHMAP_FLC] = SNDRV_CHMAP_FLC, + [VIRTIO_SND_CHMAP_FRC] = SNDRV_CHMAP_FRC, + [VIRTIO_SND_CHMAP_RLC] = SNDRV_CHMAP_RLC, + [VIRTIO_SND_CHMAP_RRC] = SNDRV_CHMAP_RRC, + [VIRTIO_SND_CHMAP_FLW] = SNDRV_CHMAP_FLW, + [VIRTIO_SND_CHMAP_FRW] = SNDRV_CHMAP_FRW, + [VIRTIO_SND_CHMAP_FLH] = SNDRV_CHMAP_FLH, + [VIRTIO_SND_CHMAP_FCH] = SNDRV_CHMAP_FCH, + [VIRTIO_SND_CHMAP_FRH] = SNDRV_CHMAP_FRH, + [VIRTIO_SND_CHMAP_TC] = SNDRV_CHMAP_TC, + [VIRTIO_SND_CHMAP_TFL] = SNDRV_CHMAP_TFL, + [VIRTIO_SND_CHMAP_TFR] = SNDRV_CHMAP_TFR, + [VIRTIO_SND_CHMAP_TFC] = SNDRV_CHMAP_TFC, + [VIRTIO_SND_CHMAP_TRL] = SNDRV_CHMAP_TRL, + [VIRTIO_SND_CHMAP_TRR] = SNDRV_CHMAP_TRR, + [VIRTIO_SND_CHMAP_TRC] = SNDRV_CHMAP_TRC, + [VIRTIO_SND_CHMAP_TFLC] = SNDRV_CHMAP_TFLC, + [VIRTIO_SND_CHMAP_TFRC] = SNDRV_CHMAP_TFRC, + [VIRTIO_SND_CHMAP_TSL] = SNDRV_CHMAP_TSL, + [VIRTIO_SND_CHMAP_TSR] = SNDRV_CHMAP_TSR, + [VIRTIO_SND_CHMAP_LLFE] = SNDRV_CHMAP_LLFE, + [VIRTIO_SND_CHMAP_RLFE] = SNDRV_CHMAP_RLFE, + [VIRTIO_SND_CHMAP_BC] = SNDRV_CHMAP_BC, + [VIRTIO_SND_CHMAP_BLC] = SNDRV_CHMAP_BLC, + [VIRTIO_SND_CHMAP_BRC] = SNDRV_CHMAP_BRC +}; + +/** + * virtsnd_chmap_parse_cfg() - Parse the channel map configuration. + * @snd: VirtIO sound device. + * + * This function is called during initial device initialization. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + */ +int virtsnd_chmap_parse_cfg(struct virtio_snd *snd) +{ + struct virtio_device *vdev = snd->vdev; + u32 i; + int rc; + + virtio_cread_le(vdev, struct virtio_snd_config, chmaps, &snd->nchmaps); + if (!snd->nchmaps) + return 0; + + snd->chmaps = devm_kcalloc(&vdev->dev, snd->nchmaps, + sizeof(*snd->chmaps), GFP_KERNEL); + if (!snd->chmaps) + return -ENOMEM; + + rc = virtsnd_ctl_query_info(snd, VIRTIO_SND_R_CHMAP_INFO, 0, + snd->nchmaps, sizeof(*snd->chmaps), + snd->chmaps); + if (rc) + return rc; + + /* Count the number of channel maps per each PCM device/stream. */ + for (i = 0; i < snd->nchmaps; ++i) { + struct virtio_snd_chmap_info *info = &snd->chmaps[i]; + u32 nid = le32_to_cpu(info->hdr.hda_fn_nid); + struct virtio_pcm *vpcm; + struct virtio_pcm_stream *vs; + + vpcm = virtsnd_pcm_find_or_create(snd, nid); + if (IS_ERR(vpcm)) + return PTR_ERR(vpcm); + + switch (info->direction) { + case VIRTIO_SND_D_OUTPUT: + vs = &vpcm->streams[SNDRV_PCM_STREAM_PLAYBACK]; + break; + case VIRTIO_SND_D_INPUT: + vs = &vpcm->streams[SNDRV_PCM_STREAM_CAPTURE]; + break; + default: + dev_err(&vdev->dev, + "chmap #%u: unknown direction (%u)\n", i, + info->direction); + return -EINVAL; + } + + vs->nchmaps++; + } + + return 0; +} + +/** + * virtsnd_chmap_add_ctls() - Create an ALSA control for channel maps. + * @pcm: ALSA PCM device. + * @direction: PCM stream direction (SNDRV_PCM_STREAM_XXX). + * @vs: VirtIO PCM stream. + * + * Context: Any context. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_chmap_add_ctls(struct snd_pcm *pcm, int direction, + struct virtio_pcm_stream *vs) +{ + u32 i; + int max_channels = 0; + + for (i = 0; i < vs->nchmaps; i++) + if (max_channels < vs->chmaps[i].channels) + max_channels = vs->chmaps[i].channels; + + return snd_pcm_add_chmap_ctls(pcm, direction, vs->chmaps, max_channels, + 0, NULL); +} + +/** + * virtsnd_chmap_build_devs() - Build ALSA controls for channel maps. + * @snd: VirtIO sound device. + * + * Context: Any context. + * Return: 0 on success, -errno on failure. + */ +int virtsnd_chmap_build_devs(struct virtio_snd *snd) +{ + struct virtio_device *vdev = snd->vdev; + struct virtio_pcm *vpcm; + struct virtio_pcm_stream *vs; + u32 i; + int rc; + + /* Allocate channel map elements per each PCM device/stream. */ + list_for_each_entry(vpcm, &snd->pcm_list, list) { + for (i = 0; i < ARRAY_SIZE(vpcm->streams); ++i) { + vs = &vpcm->streams[i]; + + if (!vs->nchmaps) + continue; + + vs->chmaps = devm_kcalloc(&vdev->dev, vs->nchmaps + 1, + sizeof(*vs->chmaps), + GFP_KERNEL); + if (!vs->chmaps) + return -ENOMEM; + + vs->nchmaps = 0; + } + } + + /* Initialize channel maps per each PCM device/stream. */ + for (i = 0; i < snd->nchmaps; ++i) { + struct virtio_snd_chmap_info *info = &snd->chmaps[i]; + unsigned int channels = info->channels; + unsigned int ch; + struct snd_pcm_chmap_elem *chmap; + + vpcm = virtsnd_pcm_find(snd, le32_to_cpu(info->hdr.hda_fn_nid)); + if (IS_ERR(vpcm)) + return PTR_ERR(vpcm); + + if (info->direction == VIRTIO_SND_D_OUTPUT) + vs = &vpcm->streams[SNDRV_PCM_STREAM_PLAYBACK]; + else + vs = &vpcm->streams[SNDRV_PCM_STREAM_CAPTURE]; + + chmap = &vs->chmaps[vs->nchmaps++]; + + if (channels > ARRAY_SIZE(chmap->map)) + channels = ARRAY_SIZE(chmap->map); + + chmap->channels = channels; + + for (ch = 0; ch < channels; ++ch) { + u8 position = info->positions[ch]; + + if (position >= ARRAY_SIZE(g_v2a_position_map)) + return -EINVAL; + + chmap->map[ch] = g_v2a_position_map[position]; + } + } + + /* Create an ALSA control per each PCM device/stream. */ + list_for_each_entry(vpcm, &snd->pcm_list, list) { + if (!vpcm->pcm) + continue; + + for (i = 0; i < ARRAY_SIZE(vpcm->streams); ++i) { + vs = &vpcm->streams[i]; + + if (!vs->nchmaps) + continue; + + rc = virtsnd_chmap_add_ctls(vpcm->pcm, i, vs); + if (rc) + return rc; + } + } + + return 0; +} diff --git a/sound/virtio/virtio_ctl_msg.c b/sound/virtio/virtio_ctl_msg.c new file mode 100644 index 000000000000..26ff7e7cc041 --- /dev/null +++ b/sound/virtio/virtio_ctl_msg.c @@ -0,0 +1,310 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#include <linux/moduleparam.h> +#include <linux/virtio_config.h> + +#include "virtio_card.h" + +/** + * struct virtio_snd_msg - Control message. + * @sg_request: Scattergather list containing a device request (header). + * @sg_response: Scattergather list containing a device response (status). + * @list: Pending message list entry. + * @notify: Request completed notification. + * @ref_count: Reference count used to manage a message lifetime. + */ +struct virtio_snd_msg { + struct scatterlist sg_request; + struct scatterlist sg_response; + struct list_head list; + struct completion notify; + refcount_t ref_count; +}; + +/** + * virtsnd_ctl_msg_ref() - Increment reference counter for the message. + * @msg: Control message. + * + * Context: Any context. + */ +void virtsnd_ctl_msg_ref(struct virtio_snd_msg *msg) +{ + refcount_inc(&msg->ref_count); +} + +/** + * virtsnd_ctl_msg_unref() - Decrement reference counter for the message. + * @msg: Control message. + * + * The message will be freed when the ref_count value is 0. + * + * Context: Any context. + */ +void virtsnd_ctl_msg_unref(struct virtio_snd_msg *msg) +{ + if (refcount_dec_and_test(&msg->ref_count)) + kfree(msg); +} + +/** + * virtsnd_ctl_msg_request() - Get a pointer to the request header. + * @msg: Control message. + * + * Context: Any context. + */ +void *virtsnd_ctl_msg_request(struct virtio_snd_msg *msg) +{ + return sg_virt(&msg->sg_request); +} + +/** + * virtsnd_ctl_msg_request() - Get a pointer to the response header. + * @msg: Control message. + * + * Context: Any context. + */ +void *virtsnd_ctl_msg_response(struct virtio_snd_msg *msg) +{ + return sg_virt(&msg->sg_response); +} + +/** + * virtsnd_ctl_msg_alloc() - Allocate and initialize a control message. + * @request_size: Size of request header. + * @response_size: Size of response header. + * @gfp: Kernel flags for memory allocation. + * + * The message will be automatically freed when the ref_count value is 0. + * + * Context: Any context. May sleep if @gfp flags permit. + * Return: Allocated message on success, NULL on failure. + */ +struct virtio_snd_msg *virtsnd_ctl_msg_alloc(size_t request_size, + size_t response_size, gfp_t gfp) +{ + struct virtio_snd_msg *msg; + + if (!request_size || !response_size) + return NULL; + + msg = kzalloc(sizeof(*msg) + request_size + response_size, gfp); + if (!msg) + return NULL; + + sg_init_one(&msg->sg_request, (u8 *)msg + sizeof(*msg), request_size); + sg_init_one(&msg->sg_response, (u8 *)msg + sizeof(*msg) + request_size, + response_size); + + INIT_LIST_HEAD(&msg->list); + init_completion(&msg->notify); + /* This reference is dropped in virtsnd_ctl_msg_complete(). */ + refcount_set(&msg->ref_count, 1); + + return msg; +} + +/** + * virtsnd_ctl_msg_send() - Send a control message. + * @snd: VirtIO sound device. + * @msg: Control message. + * @out_sgs: Additional sg-list to attach to the request header (may be NULL). + * @in_sgs: Additional sg-list to attach to the response header (may be NULL). + * @nowait: Flag indicating whether to wait for completion. + * + * Context: Any context. Takes and releases the control queue spinlock. + * May sleep if @nowait is false. + * Return: 0 on success, -errno on failure. + */ +int virtsnd_ctl_msg_send(struct virtio_snd *snd, struct virtio_snd_msg *msg, + struct scatterlist *out_sgs, + struct scatterlist *in_sgs, bool nowait) +{ + struct virtio_device *vdev = snd->vdev; + struct virtio_snd_queue *queue = virtsnd_control_queue(snd); + unsigned int js = msecs_to_jiffies(virtsnd_msg_timeout_ms); + struct virtio_snd_hdr *request = virtsnd_ctl_msg_request(msg); + struct virtio_snd_hdr *response = virtsnd_ctl_msg_response(msg); + unsigned int nouts = 0; + unsigned int nins = 0; + struct scatterlist *psgs[4]; + bool notify = false; + unsigned long flags; + int rc; + + virtsnd_ctl_msg_ref(msg); + + /* Set the default status in case the message was canceled. */ + response->code = cpu_to_le32(VIRTIO_SND_S_IO_ERR); + + psgs[nouts++] = &msg->sg_request; + if (out_sgs) + psgs[nouts++] = out_sgs; + + psgs[nouts + nins++] = &msg->sg_response; + if (in_sgs) + psgs[nouts + nins++] = in_sgs; + + spin_lock_irqsave(&queue->lock, flags); + rc = virtqueue_add_sgs(queue->vqueue, psgs, nouts, nins, msg, + GFP_ATOMIC); + if (!rc) { + notify = virtqueue_kick_prepare(queue->vqueue); + + list_add_tail(&msg->list, &snd->ctl_msgs); + } + spin_unlock_irqrestore(&queue->lock, flags); + + if (rc) { + dev_err(&vdev->dev, "failed to send control message (0x%08x)\n", + le32_to_cpu(request->code)); + + /* + * Since in this case virtsnd_ctl_msg_complete() will not be + * called, it is necessary to decrement the reference count. + */ + virtsnd_ctl_msg_unref(msg); + + goto on_exit; + } + + if (notify) + virtqueue_notify(queue->vqueue); + + if (nowait) + goto on_exit; + + rc = wait_for_completion_interruptible_timeout(&msg->notify, js); + if (rc <= 0) { + if (!rc) { + dev_err(&vdev->dev, + "control message (0x%08x) timeout\n", + le32_to_cpu(request->code)); + rc = -ETIMEDOUT; + } + + goto on_exit; + } + + switch (le32_to_cpu(response->code)) { + case VIRTIO_SND_S_OK: + rc = 0; + break; + case VIRTIO_SND_S_NOT_SUPP: + rc = -EOPNOTSUPP; + break; + case VIRTIO_SND_S_IO_ERR: + rc = -EIO; + break; + default: + rc = -EINVAL; + break; + } + +on_exit: + virtsnd_ctl_msg_unref(msg); + + return rc; +} + +/** + * virtsnd_ctl_msg_complete() - Complete a control message. + * @msg: Control message. + * + * Context: Any context. Expects the control queue spinlock to be held by + * caller. + */ +void virtsnd_ctl_msg_complete(struct virtio_snd_msg *msg) +{ + list_del(&msg->list); + complete(&msg->notify); + + virtsnd_ctl_msg_unref(msg); +} + +/** + * virtsnd_ctl_msg_cancel_all() - Cancel all pending control messages. + * @snd: VirtIO sound device. + * + * Context: Any context. + */ +void virtsnd_ctl_msg_cancel_all(struct virtio_snd *snd) +{ + struct virtio_snd_queue *queue = virtsnd_control_queue(snd); + unsigned long flags; + + spin_lock_irqsave(&queue->lock, flags); + while (!list_empty(&snd->ctl_msgs)) { + struct virtio_snd_msg *msg = + list_first_entry(&snd->ctl_msgs, struct virtio_snd_msg, + list); + + virtsnd_ctl_msg_complete(msg); + } + spin_unlock_irqrestore(&queue->lock, flags); +} + +/** + * virtsnd_ctl_query_info() - Query the item configuration from the device. + * @snd: VirtIO sound device. + * @command: Control request code (VIRTIO_SND_R_XXX_INFO). + * @start_id: Item start identifier. + * @count: Item count to query. + * @size: Item information size in bytes. + * @info: Buffer for storing item information. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + */ +int virtsnd_ctl_query_info(struct virtio_snd *snd, int command, int start_id, + int count, size_t size, void *info) +{ + struct virtio_snd_msg *msg; + struct virtio_snd_query_info *query; + struct scatterlist sg; + + msg = virtsnd_ctl_msg_alloc(sizeof(*query), + sizeof(struct virtio_snd_hdr), GFP_KERNEL); + if (!msg) + return -ENOMEM; + + query = virtsnd_ctl_msg_request(msg); + query->hdr.code = cpu_to_le32(command); + query->start_id = cpu_to_le32(start_id); + query->count = cpu_to_le32(count); + query->size = cpu_to_le32(size); + + sg_init_one(&sg, info, count * size); + + return virtsnd_ctl_msg_send(snd, msg, NULL, &sg, false); +} + +/** + * virtsnd_ctl_notify_cb() - Process all completed control messages. + * @vqueue: Underlying control virtqueue. + * + * This callback function is called upon a vring interrupt request from the + * device. + * + * Context: Interrupt context. Takes and releases the control queue spinlock. + */ +void virtsnd_ctl_notify_cb(struct virtqueue *vqueue) +{ + struct virtio_snd *snd = vqueue->vdev->priv; + struct virtio_snd_queue *queue = virtsnd_control_queue(snd); + struct virtio_snd_msg *msg; + u32 length; + unsigned long flags; + + spin_lock_irqsave(&queue->lock, flags); + do { + virtqueue_disable_cb(vqueue); + while ((msg = virtqueue_get_buf(vqueue, &length))) + virtsnd_ctl_msg_complete(msg); + if (unlikely(virtqueue_is_broken(vqueue))) + break; + } while (!virtqueue_enable_cb(vqueue)); + spin_unlock_irqrestore(&queue->lock, flags); +} diff --git a/sound/virtio/virtio_ctl_msg.h b/sound/virtio/virtio_ctl_msg.h new file mode 100644 index 000000000000..7f4db044f28e --- /dev/null +++ b/sound/virtio/virtio_ctl_msg.h @@ -0,0 +1,78 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#ifndef VIRTIO_SND_MSG_H +#define VIRTIO_SND_MSG_H + +#include <linux/atomic.h> +#include <linux/virtio.h> + +struct virtio_snd; +struct virtio_snd_msg; + +void virtsnd_ctl_msg_ref(struct virtio_snd_msg *msg); + +void virtsnd_ctl_msg_unref(struct virtio_snd_msg *msg); + +void *virtsnd_ctl_msg_request(struct virtio_snd_msg *msg); + +void *virtsnd_ctl_msg_response(struct virtio_snd_msg *msg); + +struct virtio_snd_msg *virtsnd_ctl_msg_alloc(size_t request_size, + size_t response_size, gfp_t gfp); + +int virtsnd_ctl_msg_send(struct virtio_snd *snd, struct virtio_snd_msg *msg, + struct scatterlist *out_sgs, + struct scatterlist *in_sgs, bool nowait); + +/** + * virtsnd_ctl_msg_send_sync() - Simplified sending of synchronous message. + * @snd: VirtIO sound device. + * @msg: Control message. + * + * After returning from this function, the message will be deleted. If message + * content is still needed, the caller must additionally to + * virtsnd_ctl_msg_ref/unref() it. + * + * The msg_timeout_ms module parameter defines the message completion timeout. + * If the message is not completed within this time, the function will return an + * error. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + * + * The return value is a message status code (VIRTIO_SND_S_XXX) converted to an + * appropriate -errno value. + */ +static inline int virtsnd_ctl_msg_send_sync(struct virtio_snd *snd, + struct virtio_snd_msg *msg) +{ + return virtsnd_ctl_msg_send(snd, msg, NULL, NULL, false); +} + +/** + * virtsnd_ctl_msg_send_async() - Simplified sending of asynchronous message. + * @snd: VirtIO sound device. + * @msg: Control message. + * + * Context: Any context. + * Return: 0 on success, -errno on failure. + */ +static inline int virtsnd_ctl_msg_send_async(struct virtio_snd *snd, + struct virtio_snd_msg *msg) +{ + return virtsnd_ctl_msg_send(snd, msg, NULL, NULL, true); +} + +void virtsnd_ctl_msg_cancel_all(struct virtio_snd *snd); + +void virtsnd_ctl_msg_complete(struct virtio_snd_msg *msg); + +int virtsnd_ctl_query_info(struct virtio_snd *snd, int command, int start_id, + int count, size_t size, void *info); + +void virtsnd_ctl_notify_cb(struct virtqueue *vqueue); + +#endif /* VIRTIO_SND_MSG_H */ diff --git a/sound/virtio/virtio_jack.c b/sound/virtio/virtio_jack.c new file mode 100644 index 000000000000..c69f1dcdcc84 --- /dev/null +++ b/sound/virtio/virtio_jack.c @@ -0,0 +1,233 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#include <linux/virtio_config.h> +#include <sound/jack.h> +#include <sound/hda_verbs.h> + +#include "virtio_card.h" + +/** + * DOC: Implementation Status + * + * At the moment jacks have a simple implementation and can only be used to + * receive notifications about a plugged in/out device. + * + * VIRTIO_SND_R_JACK_REMAP + * is not supported + */ + +/** + * struct virtio_jack - VirtIO jack. + * @jack: Kernel jack control. + * @nid: Functional group node identifier. + * @features: Jack virtio feature bit map (1 << VIRTIO_SND_JACK_F_XXX). + * @defconf: Pin default configuration value. + * @caps: Pin capabilities value. + * @connected: Current jack connection status. + * @type: Kernel jack type (SND_JACK_XXX). + */ +struct virtio_jack { + struct snd_jack *jack; + u32 nid; + u32 features; + u32 defconf; + u32 caps; + bool connected; + int type; +}; + +/** + * virtsnd_jack_get_label() - Get the name string for the jack. + * @vjack: VirtIO jack. + * + * Returns the jack name based on the default pin configuration value (see HDA + * specification). + * + * Context: Any context. + * Return: Name string. + */ +static const char *virtsnd_jack_get_label(struct virtio_jack *vjack) +{ + unsigned int defconf = vjack->defconf; + unsigned int device = + (defconf & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT; + unsigned int location = + (defconf & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT; + + switch (device) { + case AC_JACK_LINE_OUT: + return "Line Out"; + case AC_JACK_SPEAKER: + return "Speaker"; + case AC_JACK_HP_OUT: + return "Headphone"; + case AC_JACK_CD: + return "CD"; + case AC_JACK_SPDIF_OUT: + case AC_JACK_DIG_OTHER_OUT: + if (location == AC_JACK_LOC_HDMI) + return "HDMI Out"; + else + return "SPDIF Out"; + case AC_JACK_LINE_IN: + return "Line"; + case AC_JACK_AUX: + return "Aux"; + case AC_JACK_MIC_IN: + return "Mic"; + case AC_JACK_SPDIF_IN: + return "SPDIF In"; + case AC_JACK_DIG_OTHER_IN: + return "Digital In"; + default: + return "Misc"; + } +} + +/** + * virtsnd_jack_get_type() - Get the type for the jack. + * @vjack: VirtIO jack. + * + * Returns the jack type based on the default pin configuration value (see HDA + * specification). + * + * Context: Any context. + * Return: SND_JACK_XXX value. + */ +static int virtsnd_jack_get_type(struct virtio_jack *vjack) +{ + unsigned int defconf = vjack->defconf; + unsigned int device = + (defconf & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT; + + switch (device) { + case AC_JACK_LINE_OUT: + case AC_JACK_SPEAKER: + return SND_JACK_LINEOUT; + case AC_JACK_HP_OUT: + return SND_JACK_HEADPHONE; + case AC_JACK_SPDIF_OUT: + case AC_JACK_DIG_OTHER_OUT: + return SND_JACK_AVOUT; + case AC_JACK_MIC_IN: + return SND_JACK_MICROPHONE; + default: + return SND_JACK_LINEIN; + } +} + +/** + * virtsnd_jack_parse_cfg() - Parse the jack configuration. + * @snd: VirtIO sound device. + * + * This function is called during initial device initialization. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + */ +int virtsnd_jack_parse_cfg(struct virtio_snd *snd) +{ + struct virtio_device *vdev = snd->vdev; + struct virtio_snd_jack_info *info; + u32 i; + int rc; + + virtio_cread_le(vdev, struct virtio_snd_config, jacks, &snd->njacks); + if (!snd->njacks) + return 0; + + snd->jacks = devm_kcalloc(&vdev->dev, snd->njacks, sizeof(*snd->jacks), + GFP_KERNEL); + if (!snd->jacks) + return -ENOMEM; + + info = kcalloc(snd->njacks, sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + rc = virtsnd_ctl_query_info(snd, VIRTIO_SND_R_JACK_INFO, 0, snd->njacks, + sizeof(*info), info); + if (rc) + goto on_exit; + + for (i = 0; i < snd->njacks; ++i) { + struct virtio_jack *vjack = &snd->jacks[i]; + + vjack->nid = le32_to_cpu(info[i].hdr.hda_fn_nid); + vjack->features = le32_to_cpu(info[i].features); + vjack->defconf = le32_to_cpu(info[i].hda_reg_defconf); + vjack->caps = le32_to_cpu(info[i].hda_reg_caps); + vjack->connected = info[i].connected; + } + +on_exit: + kfree(info); + + return rc; +} + +/** + * virtsnd_jack_build_devs() - Build ALSA controls for jacks. + * @snd: VirtIO sound device. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + */ +int virtsnd_jack_build_devs(struct virtio_snd *snd) +{ + u32 i; + int rc; + + for (i = 0; i < snd->njacks; ++i) { + struct virtio_jack *vjack = &snd->jacks[i]; + + vjack->type = virtsnd_jack_get_type(vjack); + + rc = snd_jack_new(snd->card, virtsnd_jack_get_label(vjack), + vjack->type, &vjack->jack, true, true); + if (rc) + return rc; + + if (vjack->jack) + vjack->jack->private_data = vjack; + + snd_jack_report(vjack->jack, + vjack->connected ? vjack->type : 0); + } + + return 0; +} + +/** + * virtsnd_jack_event() - Handle the jack event notification. + * @snd: VirtIO sound device. + * @event: VirtIO sound event. + * + * Context: Interrupt context. + */ +void virtsnd_jack_event(struct virtio_snd *snd, struct virtio_snd_event *event) +{ + u32 jack_id = le32_to_cpu(event->data); + struct virtio_jack *vjack; + + if (jack_id >= snd->njacks) + return; + + vjack = &snd->jacks[jack_id]; + + switch (le32_to_cpu(event->hdr.code)) { + case VIRTIO_SND_EVT_JACK_CONNECTED: + vjack->connected = true; + break; + case VIRTIO_SND_EVT_JACK_DISCONNECTED: + vjack->connected = false; + break; + default: + return; + } + + snd_jack_report(vjack->jack, vjack->connected ? vjack->type : 0); +} diff --git a/sound/virtio/virtio_pcm.c b/sound/virtio/virtio_pcm.c new file mode 100644 index 000000000000..c10d91fff2fb --- /dev/null +++ b/sound/virtio/virtio_pcm.c @@ -0,0 +1,513 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#include <linux/moduleparam.h> +#include <linux/virtio_config.h> + +#include "virtio_card.h" + +static u32 pcm_buffer_ms = 160; +module_param(pcm_buffer_ms, uint, 0644); +MODULE_PARM_DESC(pcm_buffer_ms, "PCM substream buffer time in milliseconds"); + +static u32 pcm_periods_min = 2; +module_param(pcm_periods_min, uint, 0644); +MODULE_PARM_DESC(pcm_periods_min, "Minimum number of PCM periods"); + +static u32 pcm_periods_max = 16; +module_param(pcm_periods_max, uint, 0644); +MODULE_PARM_DESC(pcm_periods_max, "Maximum number of PCM periods"); + +static u32 pcm_period_ms_min = 10; +module_param(pcm_period_ms_min, uint, 0644); +MODULE_PARM_DESC(pcm_period_ms_min, "Minimum PCM period time in milliseconds"); + +static u32 pcm_period_ms_max = 80; +module_param(pcm_period_ms_max, uint, 0644); +MODULE_PARM_DESC(pcm_period_ms_max, "Maximum PCM period time in milliseconds"); + +/* Map for converting VirtIO format to ALSA format. */ +static const snd_pcm_format_t g_v2a_format_map[] = { + [VIRTIO_SND_PCM_FMT_IMA_ADPCM] = SNDRV_PCM_FORMAT_IMA_ADPCM, + [VIRTIO_SND_PCM_FMT_MU_LAW] = SNDRV_PCM_FORMAT_MU_LAW, + [VIRTIO_SND_PCM_FMT_A_LAW] = SNDRV_PCM_FORMAT_A_LAW, + [VIRTIO_SND_PCM_FMT_S8] = SNDRV_PCM_FORMAT_S8, + [VIRTIO_SND_PCM_FMT_U8] = SNDRV_PCM_FORMAT_U8, + [VIRTIO_SND_PCM_FMT_S16] = SNDRV_PCM_FORMAT_S16_LE, + [VIRTIO_SND_PCM_FMT_U16] = SNDRV_PCM_FORMAT_U16_LE, + [VIRTIO_SND_PCM_FMT_S18_3] = SNDRV_PCM_FORMAT_S18_3LE, + [VIRTIO_SND_PCM_FMT_U18_3] = SNDRV_PCM_FORMAT_U18_3LE, + [VIRTIO_SND_PCM_FMT_S20_3] = SNDRV_PCM_FORMAT_S20_3LE, + [VIRTIO_SND_PCM_FMT_U20_3] = SNDRV_PCM_FORMAT_U20_3LE, + [VIRTIO_SND_PCM_FMT_S24_3] = SNDRV_PCM_FORMAT_S24_3LE, + [VIRTIO_SND_PCM_FMT_U24_3] = SNDRV_PCM_FORMAT_U24_3LE, + [VIRTIO_SND_PCM_FMT_S20] = SNDRV_PCM_FORMAT_S20_LE, + [VIRTIO_SND_PCM_FMT_U20] = SNDRV_PCM_FORMAT_U20_LE, + [VIRTIO_SND_PCM_FMT_S24] = SNDRV_PCM_FORMAT_S24_LE, + [VIRTIO_SND_PCM_FMT_U24] = SNDRV_PCM_FORMAT_U24_LE, + [VIRTIO_SND_PCM_FMT_S32] = SNDRV_PCM_FORMAT_S32_LE, + [VIRTIO_SND_PCM_FMT_U32] = SNDRV_PCM_FORMAT_U32_LE, + [VIRTIO_SND_PCM_FMT_FLOAT] = SNDRV_PCM_FORMAT_FLOAT_LE, + [VIRTIO_SND_PCM_FMT_FLOAT64] = SNDRV_PCM_FORMAT_FLOAT64_LE, + [VIRTIO_SND_PCM_FMT_DSD_U8] = SNDRV_PCM_FORMAT_DSD_U8, + [VIRTIO_SND_PCM_FMT_DSD_U16] = SNDRV_PCM_FORMAT_DSD_U16_LE, + [VIRTIO_SND_PCM_FMT_DSD_U32] = SNDRV_PCM_FORMAT_DSD_U32_LE, + [VIRTIO_SND_PCM_FMT_IEC958_SUBFRAME] = + SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE +}; + +/* Map for converting VirtIO frame rate to ALSA frame rate. */ +struct virtsnd_v2a_rate { + unsigned int alsa_bit; + unsigned int rate; +}; + +static const struct virtsnd_v2a_rate g_v2a_rate_map[] = { + [VIRTIO_SND_PCM_RATE_5512] = { SNDRV_PCM_RATE_5512, 5512 }, + [VIRTIO_SND_PCM_RATE_8000] = { SNDRV_PCM_RATE_8000, 8000 }, + [VIRTIO_SND_PCM_RATE_11025] = { SNDRV_PCM_RATE_11025, 11025 }, + [VIRTIO_SND_PCM_RATE_16000] = { SNDRV_PCM_RATE_16000, 16000 }, + [VIRTIO_SND_PCM_RATE_22050] = { SNDRV_PCM_RATE_22050, 22050 }, + [VIRTIO_SND_PCM_RATE_32000] = { SNDRV_PCM_RATE_32000, 32000 }, + [VIRTIO_SND_PCM_RATE_44100] = { SNDRV_PCM_RATE_44100, 44100 }, + [VIRTIO_SND_PCM_RATE_48000] = { SNDRV_PCM_RATE_48000, 48000 }, + [VIRTIO_SND_PCM_RATE_64000] = { SNDRV_PCM_RATE_64000, 64000 }, + [VIRTIO_SND_PCM_RATE_88200] = { SNDRV_PCM_RATE_88200, 88200 }, + [VIRTIO_SND_PCM_RATE_96000] = { SNDRV_PCM_RATE_96000, 96000 }, + [VIRTIO_SND_PCM_RATE_176400] = { SNDRV_PCM_RATE_176400, 176400 }, + [VIRTIO_SND_PCM_RATE_192000] = { SNDRV_PCM_RATE_192000, 192000 } +}; + +/** + * virtsnd_pcm_build_hw() - Parse substream config and build HW descriptor. + * @vss: VirtIO substream. + * @info: VirtIO substream information entry. + * + * Context: Any context. + * Return: 0 on success, -EINVAL if configuration is invalid. + */ +static int virtsnd_pcm_build_hw(struct virtio_pcm_substream *vss, + struct virtio_snd_pcm_info *info) +{ + struct virtio_device *vdev = vss->snd->vdev; + unsigned int i; + u64 values; + size_t sample_max = 0; + size_t sample_min = 0; + + vss->features = le32_to_cpu(info->features); + + /* + * TODO: set SNDRV_PCM_INFO_{BATCH,BLOCK_TRANSFER} if device supports + * only message-based transport. + */ + vss->hw.info = + SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE; + + if (!info->channels_min || info->channels_min > info->channels_max) { + dev_err(&vdev->dev, + "SID %u: invalid channel range [%u %u]\n", + vss->sid, info->channels_min, info->channels_max); + return -EINVAL; + } + + vss->hw.channels_min = info->channels_min; + vss->hw.channels_max = info->channels_max; + + values = le64_to_cpu(info->formats); + + vss->hw.formats = 0; + + for (i = 0; i < ARRAY_SIZE(g_v2a_format_map); ++i) + if (values & (1ULL << i)) { + snd_pcm_format_t alsa_fmt = g_v2a_format_map[i]; + int bytes = snd_pcm_format_physical_width(alsa_fmt) / 8; + + if (!sample_min || sample_min > bytes) + sample_min = bytes; + + if (sample_max < bytes) + sample_max = bytes; + + vss->hw.formats |= pcm_format_to_bits(alsa_fmt); + } + + if (!vss->hw.formats) { + dev_err(&vdev->dev, + "SID %u: no supported PCM sample formats found\n", + vss->sid); + return -EINVAL; + } + + values = le64_to_cpu(info->rates); + + vss->hw.rates = 0; + + for (i = 0; i < ARRAY_SIZE(g_v2a_rate_map); ++i) + if (values & (1ULL << i)) { + if (!vss->hw.rate_min || + vss->hw.rate_min > g_v2a_rate_map[i].rate) + vss->hw.rate_min = g_v2a_rate_map[i].rate; + + if (vss->hw.rate_max < g_v2a_rate_map[i].rate) + vss->hw.rate_max = g_v2a_rate_map[i].rate; + + vss->hw.rates |= g_v2a_rate_map[i].alsa_bit; + } + + if (!vss->hw.rates) { + dev_err(&vdev->dev, + "SID %u: no supported PCM frame rates found\n", + vss->sid); + return -EINVAL; + } + + vss->hw.periods_min = pcm_periods_min; + vss->hw.periods_max = pcm_periods_max; + + /* + * We must ensure that there is enough space in the buffer to store + * pcm_buffer_ms ms for the combination (Cmax, Smax, Rmax), where: + * Cmax = maximum supported number of channels, + * Smax = maximum supported sample size in bytes, + * Rmax = maximum supported frame rate. + */ + vss->hw.buffer_bytes_max = + PAGE_ALIGN(sample_max * vss->hw.channels_max * pcm_buffer_ms * + (vss->hw.rate_max / MSEC_PER_SEC)); + + /* + * We must ensure that the minimum period size is enough to store + * pcm_period_ms_min ms for the combination (Cmin, Smin, Rmin), where: + * Cmin = minimum supported number of channels, + * Smin = minimum supported sample size in bytes, + * Rmin = minimum supported frame rate. + */ + vss->hw.period_bytes_min = + sample_min * vss->hw.channels_min * pcm_period_ms_min * + (vss->hw.rate_min / MSEC_PER_SEC); + + /* + * We must ensure that the maximum period size is enough to store + * pcm_period_ms_max ms for the combination (Cmax, Smax, Rmax). + */ + vss->hw.period_bytes_max = + sample_max * vss->hw.channels_max * pcm_period_ms_max * + (vss->hw.rate_max / MSEC_PER_SEC); + + return 0; +} + +/** + * virtsnd_pcm_find() - Find the PCM device for the specified node ID. + * @snd: VirtIO sound device. + * @nid: Function node ID. + * + * Context: Any context. + * Return: a pointer to the PCM device or ERR_PTR(-ENOENT). + */ +struct virtio_pcm *virtsnd_pcm_find(struct virtio_snd *snd, u32 nid) +{ + struct virtio_pcm *vpcm; + + list_for_each_entry(vpcm, &snd->pcm_list, list) + if (vpcm->nid == nid) + return vpcm; + + return ERR_PTR(-ENOENT); +} + +/** + * virtsnd_pcm_find_or_create() - Find or create the PCM device for the + * specified node ID. + * @snd: VirtIO sound device. + * @nid: Function node ID. + * + * Context: Any context that permits to sleep. + * Return: a pointer to the PCM device or ERR_PTR(-errno). + */ +struct virtio_pcm *virtsnd_pcm_find_or_create(struct virtio_snd *snd, u32 nid) +{ + struct virtio_device *vdev = snd->vdev; + struct virtio_pcm *vpcm; + + vpcm = virtsnd_pcm_find(snd, nid); + if (!IS_ERR(vpcm)) + return vpcm; + + vpcm = devm_kzalloc(&vdev->dev, sizeof(*vpcm), GFP_KERNEL); + if (!vpcm) + return ERR_PTR(-ENOMEM); + + vpcm->nid = nid; + list_add_tail(&vpcm->list, &snd->pcm_list); + + return vpcm; +} + +/** + * virtsnd_pcm_validate() - Validate if the device can be started. + * @vdev: VirtIO parent device. + * + * Context: Any context. + * Return: 0 on success, -EINVAL on failure. + */ +int virtsnd_pcm_validate(struct virtio_device *vdev) +{ + if (pcm_periods_min < 2 || pcm_periods_min > pcm_periods_max) { + dev_err(&vdev->dev, + "invalid range [%u %u] of the number of PCM periods\n", + pcm_periods_min, pcm_periods_max); + return -EINVAL; + } + + if (!pcm_period_ms_min || pcm_period_ms_min > pcm_period_ms_max) { + dev_err(&vdev->dev, + "invalid range [%u %u] of the size of the PCM period\n", + pcm_period_ms_min, pcm_period_ms_max); + return -EINVAL; + } + + if (pcm_buffer_ms < pcm_periods_min * pcm_period_ms_min) { + dev_err(&vdev->dev, + "pcm_buffer_ms(=%u) value cannot be < %u ms\n", + pcm_buffer_ms, pcm_periods_min * pcm_period_ms_min); + return -EINVAL; + } + + if (pcm_period_ms_max > pcm_buffer_ms / 2) { + dev_err(&vdev->dev, + "pcm_period_ms_max(=%u) value cannot be > %u ms\n", + pcm_period_ms_max, pcm_buffer_ms / 2); + return -EINVAL; + } + + return 0; +} + +/** + * virtsnd_pcm_period_elapsed() - Kernel work function to handle the elapsed + * period state. + * @work: Elapsed period work. + * + * The main purpose of this function is to call snd_pcm_period_elapsed() in + * a process context, not in an interrupt context. This is necessary because PCM + * devices operate in non-atomic mode. + * + * Context: Process context. + */ +static void virtsnd_pcm_period_elapsed(struct work_struct *work) +{ + struct virtio_pcm_substream *vss = + container_of(work, struct virtio_pcm_substream, elapsed_period); + + snd_pcm_period_elapsed(vss->substream); +} + +/** + * virtsnd_pcm_parse_cfg() - Parse the stream configuration. + * @snd: VirtIO sound device. + * + * This function is called during initial device initialization. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + */ +int virtsnd_pcm_parse_cfg(struct virtio_snd *snd) +{ + struct virtio_device *vdev = snd->vdev; + struct virtio_snd_pcm_info *info; + u32 i; + int rc; + + virtio_cread_le(vdev, struct virtio_snd_config, streams, + &snd->nsubstreams); + if (!snd->nsubstreams) + return 0; + + snd->substreams = devm_kcalloc(&vdev->dev, snd->nsubstreams, + sizeof(*snd->substreams), GFP_KERNEL); + if (!snd->substreams) + return -ENOMEM; + + info = kcalloc(snd->nsubstreams, sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + rc = virtsnd_ctl_query_info(snd, VIRTIO_SND_R_PCM_INFO, 0, + snd->nsubstreams, sizeof(*info), info); + if (rc) + goto on_exit; + + for (i = 0; i < snd->nsubstreams; ++i) { + struct virtio_pcm_substream *vss = &snd->substreams[i]; + struct virtio_pcm *vpcm; + + vss->snd = snd; + vss->sid = i; + INIT_WORK(&vss->elapsed_period, virtsnd_pcm_period_elapsed); + init_waitqueue_head(&vss->msg_empty); + spin_lock_init(&vss->lock); + + rc = virtsnd_pcm_build_hw(vss, &info[i]); + if (rc) + goto on_exit; + + vss->nid = le32_to_cpu(info[i].hdr.hda_fn_nid); + + vpcm = virtsnd_pcm_find_or_create(snd, vss->nid); + if (IS_ERR(vpcm)) { + rc = PTR_ERR(vpcm); + goto on_exit; + } + + switch (info[i].direction) { + case VIRTIO_SND_D_OUTPUT: + vss->direction = SNDRV_PCM_STREAM_PLAYBACK; + break; + case VIRTIO_SND_D_INPUT: + vss->direction = SNDRV_PCM_STREAM_CAPTURE; + break; + default: + dev_err(&vdev->dev, "SID %u: unknown direction (%u)\n", + vss->sid, info[i].direction); + rc = -EINVAL; + goto on_exit; + } + + vpcm->streams[vss->direction].nsubstreams++; + } + +on_exit: + kfree(info); + + return rc; +} + +/** + * virtsnd_pcm_build_devs() - Build ALSA PCM devices. + * @snd: VirtIO sound device. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + */ +int virtsnd_pcm_build_devs(struct virtio_snd *snd) +{ + struct virtio_device *vdev = snd->vdev; + struct virtio_pcm *vpcm; + u32 i; + int rc; + + list_for_each_entry(vpcm, &snd->pcm_list, list) { + unsigned int npbs = + vpcm->streams[SNDRV_PCM_STREAM_PLAYBACK].nsubstreams; + unsigned int ncps = + vpcm->streams[SNDRV_PCM_STREAM_CAPTURE].nsubstreams; + + if (!npbs && !ncps) + continue; + + rc = snd_pcm_new(snd->card, VIRTIO_SND_CARD_DRIVER, vpcm->nid, + npbs, ncps, &vpcm->pcm); + if (rc) { + dev_err(&vdev->dev, "snd_pcm_new[%u] failed: %d\n", + vpcm->nid, rc); + return rc; + } + + vpcm->pcm->info_flags = 0; + vpcm->pcm->dev_class = SNDRV_PCM_CLASS_GENERIC; + vpcm->pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; + snprintf(vpcm->pcm->name, sizeof(vpcm->pcm->name), + VIRTIO_SND_PCM_NAME " %u", vpcm->pcm->device); + vpcm->pcm->private_data = vpcm; + vpcm->pcm->nonatomic = true; + + for (i = 0; i < ARRAY_SIZE(vpcm->streams); ++i) { + struct virtio_pcm_stream *stream = &vpcm->streams[i]; + + if (!stream->nsubstreams) + continue; + + stream->substreams = + devm_kcalloc(&vdev->dev, stream->nsubstreams, + sizeof(*stream->substreams), + GFP_KERNEL); + if (!stream->substreams) + return -ENOMEM; + + stream->nsubstreams = 0; + } + } + + for (i = 0; i < snd->nsubstreams; ++i) { + struct virtio_pcm_stream *vs; + struct virtio_pcm_substream *vss = &snd->substreams[i]; + + vpcm = virtsnd_pcm_find(snd, vss->nid); + if (IS_ERR(vpcm)) + return PTR_ERR(vpcm); + + vs = &vpcm->streams[vss->direction]; + vs->substreams[vs->nsubstreams++] = vss; + } + + list_for_each_entry(vpcm, &snd->pcm_list, list) { + for (i = 0; i < ARRAY_SIZE(vpcm->streams); ++i) { + struct virtio_pcm_stream *vs = &vpcm->streams[i]; + struct snd_pcm_str *ks = &vpcm->pcm->streams[i]; + struct snd_pcm_substream *kss; + + if (!vs->nsubstreams) + continue; + + for (kss = ks->substream; kss; kss = kss->next) + vs->substreams[kss->number]->substream = kss; + + snd_pcm_set_ops(vpcm->pcm, i, &virtsnd_pcm_ops); + } + + snd_pcm_set_managed_buffer_all(vpcm->pcm, + SNDRV_DMA_TYPE_VMALLOC, NULL, + 0, 0); + } + + return 0; +} + +/** + * virtsnd_pcm_event() - Handle the PCM device event notification. + * @snd: VirtIO sound device. + * @event: VirtIO sound event. + * + * Context: Interrupt context. + */ +void virtsnd_pcm_event(struct virtio_snd *snd, struct virtio_snd_event *event) +{ + struct virtio_pcm_substream *vss; + u32 sid = le32_to_cpu(event->data); + + if (sid >= snd->nsubstreams) + return; + + vss = &snd->substreams[sid]; + + switch (le32_to_cpu(event->hdr.code)) { + case VIRTIO_SND_EVT_PCM_PERIOD_ELAPSED: + /* TODO: deal with shmem elapsed period */ + break; + case VIRTIO_SND_EVT_PCM_XRUN: + spin_lock(&vss->lock); + if (vss->xfer_enabled) + vss->xfer_xrun = true; + spin_unlock(&vss->lock); + break; + } +} diff --git a/sound/virtio/virtio_pcm.h b/sound/virtio/virtio_pcm.h new file mode 100644 index 000000000000..062eb8e8f2cf --- /dev/null +++ b/sound/virtio/virtio_pcm.h @@ -0,0 +1,124 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#ifndef VIRTIO_SND_PCM_H +#define VIRTIO_SND_PCM_H + +#include <linux/atomic.h> +#include <linux/virtio_config.h> +#include <sound/pcm.h> + +struct virtio_pcm; +struct virtio_pcm_msg; + +/** + * struct virtio_pcm_substream - VirtIO PCM substream. + * @snd: VirtIO sound device. + * @nid: Function group node identifier. + * @sid: Stream identifier. + * @direction: Stream data flow direction (SNDRV_PCM_STREAM_XXX). + * @features: Stream VirtIO feature bit map (1 << VIRTIO_SND_PCM_F_XXX). + * @substream: Kernel ALSA substream. + * @hw: Kernel ALSA substream hardware descriptor. + * @elapsed_period: Kernel work to handle the elapsed period state. + * @lock: Spinlock that protects fields shared by interrupt handlers and + * substream operators. + * @buffer_bytes: Current buffer size in bytes. + * @hw_ptr: Substream hardware pointer value in bytes [0 ... buffer_bytes). + * @xfer_enabled: Data transfer state (0 - off, 1 - on). + * @xfer_xrun: Data underflow/overflow state (0 - no xrun, 1 - xrun). + * @stopped: True if the substream is stopped and must be released on the device + * side. + * @suspended: True if the substream is suspended and must be reconfigured on + * the device side at resume. + * @msgs: Allocated I/O messages. + * @nmsgs: Number of allocated I/O messages. + * @msg_last_enqueued: Index of the last I/O message added to the virtqueue. + * @msg_count: Number of pending I/O messages in the virtqueue. + * @msg_empty: Notify when msg_count is zero. + */ +struct virtio_pcm_substream { + struct virtio_snd *snd; + u32 nid; + u32 sid; + u32 direction; + u32 features; + struct snd_pcm_substream *substream; + struct snd_pcm_hardware hw; + struct work_struct elapsed_period; + spinlock_t lock; + size_t buffer_bytes; + size_t hw_ptr; + bool xfer_enabled; + bool xfer_xrun; + bool stopped; + bool suspended; + struct virtio_pcm_msg **msgs; + unsigned int nmsgs; + int msg_last_enqueued; + unsigned int msg_count; + wait_queue_head_t msg_empty; +}; + +/** + * struct virtio_pcm_stream - VirtIO PCM stream. + * @substreams: VirtIO substreams belonging to the stream. + * @nsubstreams: Number of substreams. + * @chmaps: Kernel channel maps belonging to the stream. + * @nchmaps: Number of channel maps. + */ +struct virtio_pcm_stream { + struct virtio_pcm_substream **substreams; + u32 nsubstreams; + struct snd_pcm_chmap_elem *chmaps; + u32 nchmaps; +}; + +/** + * struct virtio_pcm - VirtIO PCM device. + * @list: VirtIO PCM list entry. + * @nid: Function group node identifier. + * @pcm: Kernel PCM device. + * @streams: VirtIO PCM streams (playback and capture). + */ +struct virtio_pcm { + struct list_head list; + u32 nid; + struct snd_pcm *pcm; + struct virtio_pcm_stream streams[SNDRV_PCM_STREAM_LAST + 1]; +}; + +extern const struct snd_pcm_ops virtsnd_pcm_ops; + +int virtsnd_pcm_validate(struct virtio_device *vdev); + +int virtsnd_pcm_parse_cfg(struct virtio_snd *snd); + +int virtsnd_pcm_build_devs(struct virtio_snd *snd); + +void virtsnd_pcm_event(struct virtio_snd *snd, struct virtio_snd_event *event); + +void virtsnd_pcm_tx_notify_cb(struct virtqueue *vqueue); + +void virtsnd_pcm_rx_notify_cb(struct virtqueue *vqueue); + +struct virtio_pcm *virtsnd_pcm_find(struct virtio_snd *snd, u32 nid); + +struct virtio_pcm *virtsnd_pcm_find_or_create(struct virtio_snd *snd, u32 nid); + +struct virtio_snd_msg * +virtsnd_pcm_ctl_msg_alloc(struct virtio_pcm_substream *vss, + unsigned int command, gfp_t gfp); + +int virtsnd_pcm_msg_alloc(struct virtio_pcm_substream *vss, + unsigned int periods, unsigned int period_bytes); + +void virtsnd_pcm_msg_free(struct virtio_pcm_substream *vss); + +int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss); + +unsigned int virtsnd_pcm_msg_pending_num(struct virtio_pcm_substream *vss); + +#endif /* VIRTIO_SND_PCM_H */ diff --git a/sound/virtio/virtio_pcm_msg.c b/sound/virtio/virtio_pcm_msg.c new file mode 100644 index 000000000000..f88c8f29cbd8 --- /dev/null +++ b/sound/virtio/virtio_pcm_msg.c @@ -0,0 +1,414 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#include <sound/pcm_params.h> + +#include "virtio_card.h" + +/** + * struct virtio_pcm_msg - VirtIO I/O message. + * @substream: VirtIO PCM substream. + * @xfer: Request header payload. + * @status: Response header payload. + * @length: Data length in bytes. + * @sgs: Payload scatter-gather table. + */ +struct virtio_pcm_msg { + struct virtio_pcm_substream *substream; + struct virtio_snd_pcm_xfer xfer; + struct virtio_snd_pcm_status status; + size_t length; + struct scatterlist sgs[0]; +}; + +/** + * enum pcm_msg_sg_index - Index values for the virtio_pcm_msg->sgs field in + * an I/O message. + * @PCM_MSG_SG_XFER: Element containing a virtio_snd_pcm_xfer structure. + * @PCM_MSG_SG_STATUS: Element containing a virtio_snd_pcm_status structure. + * @PCM_MSG_SG_DATA: The first element containing a data buffer. + */ +enum pcm_msg_sg_index { + PCM_MSG_SG_XFER = 0, + PCM_MSG_SG_STATUS, + PCM_MSG_SG_DATA +}; + +/** + * virtsnd_pcm_sg_num() - Count the number of sg-elements required to represent + * vmalloc'ed buffer. + * @data: Pointer to vmalloc'ed buffer. + * @length: Buffer size. + * + * Context: Any context. + * Return: Number of physically contiguous parts in the @data. + */ +static int virtsnd_pcm_sg_num(u8 *data, unsigned int length) +{ + phys_addr_t sg_address; + unsigned int sg_length; + int num = 0; + + while (length) { + struct page *pg = vmalloc_to_page(data); + phys_addr_t pg_address = page_to_phys(pg); + size_t pg_length; + + pg_length = PAGE_SIZE - offset_in_page(data); + if (pg_length > length) + pg_length = length; + + if (!num || sg_address + sg_length != pg_address) { + sg_address = pg_address; + sg_length = pg_length; + num++; + } else { + sg_length += pg_length; + } + + data += pg_length; + length -= pg_length; + } + + return num; +} + +/** + * virtsnd_pcm_sg_from() - Build sg-list from vmalloc'ed buffer. + * @sgs: Preallocated sg-list to populate. + * @nsgs: The maximum number of elements in the @sgs. + * @data: Pointer to vmalloc'ed buffer. + * @length: Buffer size. + * + * Splits the buffer into physically contiguous parts and makes an sg-list of + * such parts. + * + * Context: Any context. + */ +static void virtsnd_pcm_sg_from(struct scatterlist *sgs, int nsgs, u8 *data, + unsigned int length) +{ + int idx = -1; + + while (length) { + struct page *pg = vmalloc_to_page(data); + size_t pg_length; + + pg_length = PAGE_SIZE - offset_in_page(data); + if (pg_length > length) + pg_length = length; + + if (idx == -1 || + sg_phys(&sgs[idx]) + sgs[idx].length != page_to_phys(pg)) { + if (idx + 1 == nsgs) + break; + sg_set_page(&sgs[++idx], pg, pg_length, + offset_in_page(data)); + } else { + sgs[idx].length += pg_length; + } + + data += pg_length; + length -= pg_length; + } + + sg_mark_end(&sgs[idx]); +} + +/** + * virtsnd_pcm_msg_alloc() - Allocate I/O messages. + * @vss: VirtIO PCM substream. + * @periods: Current number of periods. + * @period_bytes: Current period size in bytes. + * + * The function slices the buffer into @periods parts (each with the size of + * @period_bytes), and creates @periods corresponding I/O messages. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -ENOMEM on failure. + */ +int virtsnd_pcm_msg_alloc(struct virtio_pcm_substream *vss, + unsigned int periods, unsigned int period_bytes) +{ + struct snd_pcm_runtime *runtime = vss->substream->runtime; + unsigned int i; + + vss->msgs = kcalloc(periods, sizeof(*vss->msgs), GFP_KERNEL); + if (!vss->msgs) + return -ENOMEM; + + vss->nmsgs = periods; + + for (i = 0; i < periods; ++i) { + u8 *data = runtime->dma_area + period_bytes * i; + int sg_num = virtsnd_pcm_sg_num(data, period_bytes); + struct virtio_pcm_msg *msg; + + msg = kzalloc(sizeof(*msg) + sizeof(*msg->sgs) * (sg_num + 2), + GFP_KERNEL); + if (!msg) + return -ENOMEM; + + msg->substream = vss; + sg_init_one(&msg->sgs[PCM_MSG_SG_XFER], &msg->xfer, + sizeof(msg->xfer)); + sg_init_one(&msg->sgs[PCM_MSG_SG_STATUS], &msg->status, + sizeof(msg->status)); + msg->length = period_bytes; + virtsnd_pcm_sg_from(&msg->sgs[PCM_MSG_SG_DATA], sg_num, data, + period_bytes); + + vss->msgs[i] = msg; + } + + return 0; +} + +/** + * virtsnd_pcm_msg_free() - Free all allocated I/O messages. + * @vss: VirtIO PCM substream. + * + * Context: Any context. + */ +void virtsnd_pcm_msg_free(struct virtio_pcm_substream *vss) +{ + unsigned int i; + + for (i = 0; vss->msgs && i < vss->nmsgs; ++i) + kfree(vss->msgs[i]); + kfree(vss->msgs); + + vss->msgs = NULL; + vss->nmsgs = 0; +} + +/** + * virtsnd_pcm_msg_send() - Send asynchronous I/O messages. + * @vss: VirtIO PCM substream. + * + * All messages are organized in an ordered circular list. Each time the + * function is called, all currently non-enqueued messages are added to the + * virtqueue. For this, the function keeps track of two values: + * + * msg_last_enqueued = index of the last enqueued message, + * msg_count = # of pending messages in the virtqueue. + * + * Context: Any context. Expects the tx/rx queue and the VirtIO substream + * spinlocks to be held by caller. + * Return: 0 on success, -errno on failure. + */ +int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss) +{ + struct snd_pcm_runtime *runtime = vss->substream->runtime; + struct virtio_snd *snd = vss->snd; + struct virtio_device *vdev = snd->vdev; + struct virtqueue *vqueue = virtsnd_pcm_queue(vss)->vqueue; + int i; + int n; + bool notify = false; + + i = (vss->msg_last_enqueued + 1) % runtime->periods; + n = runtime->periods - vss->msg_count; + + for (; n; --n, i = (i + 1) % runtime->periods) { + struct virtio_pcm_msg *msg = vss->msgs[i]; + struct scatterlist *psgs[] = { + &msg->sgs[PCM_MSG_SG_XFER], + &msg->sgs[PCM_MSG_SG_DATA], + &msg->sgs[PCM_MSG_SG_STATUS] + }; + int rc; + + msg->xfer.stream_id = cpu_to_le32(vss->sid); + memset(&msg->status, 0, sizeof(msg->status)); + + if (vss->direction == SNDRV_PCM_STREAM_PLAYBACK) + rc = virtqueue_add_sgs(vqueue, psgs, 2, 1, msg, + GFP_ATOMIC); + else + rc = virtqueue_add_sgs(vqueue, psgs, 1, 2, msg, + GFP_ATOMIC); + + if (rc) { + dev_err(&vdev->dev, + "SID %u: failed to send I/O message\n", + vss->sid); + return rc; + } + + vss->msg_last_enqueued = i; + vss->msg_count++; + } + + if (!(vss->features & (1U << VIRTIO_SND_PCM_F_MSG_POLLING))) + notify = virtqueue_kick_prepare(vqueue); + + if (notify) + virtqueue_notify(vqueue); + + return 0; +} + +/** + * virtsnd_pcm_msg_pending_num() - Returns the number of pending I/O messages. + * @vss: VirtIO substream. + * + * Context: Any context. + * Return: Number of messages. + */ +unsigned int virtsnd_pcm_msg_pending_num(struct virtio_pcm_substream *vss) +{ + unsigned int num; + unsigned long flags; + + spin_lock_irqsave(&vss->lock, flags); + num = vss->msg_count; + spin_unlock_irqrestore(&vss->lock, flags); + + return num; +} + +/** + * virtsnd_pcm_msg_complete() - Complete an I/O message. + * @msg: I/O message. + * @written_bytes: Number of bytes written to the message. + * + * Completion of the message means the elapsed period. If transmission is + * allowed, then each completed message is immediately placed back at the end + * of the queue. + * + * For the playback substream, @written_bytes is equal to sizeof(msg->status). + * + * For the capture substream, @written_bytes is equal to sizeof(msg->status) + * plus the number of captured bytes. + * + * Context: Interrupt context. Takes and releases the VirtIO substream spinlock. + */ +static void virtsnd_pcm_msg_complete(struct virtio_pcm_msg *msg, + size_t written_bytes) +{ + struct virtio_pcm_substream *vss = msg->substream; + + /* + * hw_ptr always indicates the buffer position of the first I/O message + * in the virtqueue. Therefore, on each completion of an I/O message, + * the hw_ptr value is unconditionally advanced. + */ + spin_lock(&vss->lock); + /* + * If the capture substream returned an incorrect status, then just + * increase the hw_ptr by the message size. + */ + if (vss->direction == SNDRV_PCM_STREAM_PLAYBACK || + written_bytes <= sizeof(msg->status)) + vss->hw_ptr += msg->length; + else + vss->hw_ptr += written_bytes - sizeof(msg->status); + + if (vss->hw_ptr >= vss->buffer_bytes) + vss->hw_ptr -= vss->buffer_bytes; + + vss->xfer_xrun = false; + vss->msg_count--; + + if (vss->xfer_enabled) { + struct snd_pcm_runtime *runtime = vss->substream->runtime; + + runtime->delay = + bytes_to_frames(runtime, + le32_to_cpu(msg->status.latency_bytes)); + + schedule_work(&vss->elapsed_period); + + virtsnd_pcm_msg_send(vss); + } else if (!vss->msg_count) { + wake_up_all(&vss->msg_empty); + } + spin_unlock(&vss->lock); +} + +/** + * virtsnd_pcm_notify_cb() - Process all completed I/O messages. + * @queue: Underlying tx/rx virtqueue. + * + * Context: Interrupt context. Takes and releases the tx/rx queue spinlock. + */ +static inline void virtsnd_pcm_notify_cb(struct virtio_snd_queue *queue) +{ + struct virtio_pcm_msg *msg; + u32 written_bytes; + unsigned long flags; + + spin_lock_irqsave(&queue->lock, flags); + do { + virtqueue_disable_cb(queue->vqueue); + while ((msg = virtqueue_get_buf(queue->vqueue, &written_bytes))) + virtsnd_pcm_msg_complete(msg, written_bytes); + if (unlikely(virtqueue_is_broken(queue->vqueue))) + break; + } while (!virtqueue_enable_cb(queue->vqueue)); + spin_unlock_irqrestore(&queue->lock, flags); +} + +/** + * virtsnd_pcm_tx_notify_cb() - Process all completed TX messages. + * @vqueue: Underlying tx virtqueue. + * + * Context: Interrupt context. + */ +void virtsnd_pcm_tx_notify_cb(struct virtqueue *vqueue) +{ + struct virtio_snd *snd = vqueue->vdev->priv; + + virtsnd_pcm_notify_cb(virtsnd_tx_queue(snd)); +} + +/** + * virtsnd_pcm_rx_notify_cb() - Process all completed RX messages. + * @vqueue: Underlying rx virtqueue. + * + * Context: Interrupt context. + */ +void virtsnd_pcm_rx_notify_cb(struct virtqueue *vqueue) +{ + struct virtio_snd *snd = vqueue->vdev->priv; + + virtsnd_pcm_notify_cb(virtsnd_rx_queue(snd)); +} + +/** + * virtsnd_pcm_ctl_msg_alloc() - Allocate and initialize the PCM device control + * message for the specified substream. + * @vss: VirtIO PCM substream. + * @command: Control request code (VIRTIO_SND_R_PCM_XXX). + * @gfp: Kernel flags for memory allocation. + * + * Context: Any context. May sleep if @gfp flags permit. + * Return: Allocated message on success, NULL on failure. + */ +struct virtio_snd_msg * +virtsnd_pcm_ctl_msg_alloc(struct virtio_pcm_substream *vss, + unsigned int command, gfp_t gfp) +{ + size_t request_size = sizeof(struct virtio_snd_pcm_hdr); + size_t response_size = sizeof(struct virtio_snd_hdr); + struct virtio_snd_msg *msg; + + switch (command) { + case VIRTIO_SND_R_PCM_SET_PARAMS: + request_size = sizeof(struct virtio_snd_pcm_set_params); + break; + } + + msg = virtsnd_ctl_msg_alloc(request_size, response_size, gfp); + if (msg) { + struct virtio_snd_pcm_hdr *hdr = virtsnd_ctl_msg_request(msg); + + hdr->hdr.code = cpu_to_le32(command); + hdr->stream_id = cpu_to_le32(vss->sid); + } + + return msg; +} diff --git a/sound/virtio/virtio_pcm_ops.c b/sound/virtio/virtio_pcm_ops.c new file mode 100644 index 000000000000..f8bfb87624be --- /dev/null +++ b/sound/virtio/virtio_pcm_ops.c @@ -0,0 +1,464 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * virtio-snd: Virtio sound device + * Copyright (C) 2021 OpenSynergy GmbH + */ +#include <sound/pcm_params.h> + +#include "virtio_card.h" + +/* + * I/O messages lifetime + * --------------------- + * + * Allocation: + * Messages are initially allocated in the ops->hw_params() after the size and + * number of periods have been successfully negotiated. + * + * Freeing: + * Messages can be safely freed after the queue has been successfully flushed + * (RELEASE command in the ops->sync_stop()) and the ops->hw_free() has been + * called. + * + * When the substream stops, the ops->sync_stop() waits until the device has + * completed all pending messages. This wait can be interrupted either by a + * signal or due to a timeout. In this case, the device can still access + * messages even after calling ops->hw_free(). It can also issue an interrupt, + * and the interrupt handler will also try to access message structures. + * + * Therefore, freeing of already allocated messages occurs: + * + * - in ops->hw_params(), if this operator was called several times in a row, + * or if ops->hw_free() failed to free messages previously; + * + * - in ops->hw_free(), if the queue has been successfully flushed; + * + * - in dev->release(). + */ + +/* Map for converting ALSA format to VirtIO format. */ +struct virtsnd_a2v_format { + snd_pcm_format_t alsa_bit; + unsigned int vio_bit; +}; + +static const struct virtsnd_a2v_format g_a2v_format_map[] = { + { SNDRV_PCM_FORMAT_IMA_ADPCM, VIRTIO_SND_PCM_FMT_IMA_ADPCM }, + { SNDRV_PCM_FORMAT_MU_LAW, VIRTIO_SND_PCM_FMT_MU_LAW }, + { SNDRV_PCM_FORMAT_A_LAW, VIRTIO_SND_PCM_FMT_A_LAW }, + { SNDRV_PCM_FORMAT_S8, VIRTIO_SND_PCM_FMT_S8 }, + { SNDRV_PCM_FORMAT_U8, VIRTIO_SND_PCM_FMT_U8 }, + { SNDRV_PCM_FORMAT_S16_LE, VIRTIO_SND_PCM_FMT_S16 }, + { SNDRV_PCM_FORMAT_U16_LE, VIRTIO_SND_PCM_FMT_U16 }, + { SNDRV_PCM_FORMAT_S18_3LE, VIRTIO_SND_PCM_FMT_S18_3 }, + { SNDRV_PCM_FORMAT_U18_3LE, VIRTIO_SND_PCM_FMT_U18_3 }, + { SNDRV_PCM_FORMAT_S20_3LE, VIRTIO_SND_PCM_FMT_S20_3 }, + { SNDRV_PCM_FORMAT_U20_3LE, VIRTIO_SND_PCM_FMT_U20_3 }, + { SNDRV_PCM_FORMAT_S24_3LE, VIRTIO_SND_PCM_FMT_S24_3 }, + { SNDRV_PCM_FORMAT_U24_3LE, VIRTIO_SND_PCM_FMT_U24_3 }, + { SNDRV_PCM_FORMAT_S20_LE, VIRTIO_SND_PCM_FMT_S20 }, + { SNDRV_PCM_FORMAT_U20_LE, VIRTIO_SND_PCM_FMT_U20 }, + { SNDRV_PCM_FORMAT_S24_LE, VIRTIO_SND_PCM_FMT_S24 }, + { SNDRV_PCM_FORMAT_U24_LE, VIRTIO_SND_PCM_FMT_U24 }, + { SNDRV_PCM_FORMAT_S32_LE, VIRTIO_SND_PCM_FMT_S32 }, + { SNDRV_PCM_FORMAT_U32_LE, VIRTIO_SND_PCM_FMT_U32 }, + { SNDRV_PCM_FORMAT_FLOAT_LE, VIRTIO_SND_PCM_FMT_FLOAT }, + { SNDRV_PCM_FORMAT_FLOAT64_LE, VIRTIO_SND_PCM_FMT_FLOAT64 }, + { SNDRV_PCM_FORMAT_DSD_U8, VIRTIO_SND_PCM_FMT_DSD_U8 }, + { SNDRV_PCM_FORMAT_DSD_U16_LE, VIRTIO_SND_PCM_FMT_DSD_U16 }, + { SNDRV_PCM_FORMAT_DSD_U32_LE, VIRTIO_SND_PCM_FMT_DSD_U32 }, + { SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE, + VIRTIO_SND_PCM_FMT_IEC958_SUBFRAME } +}; + +/* Map for converting ALSA frame rate to VirtIO frame rate. */ +struct virtsnd_a2v_rate { + unsigned int rate; + unsigned int vio_bit; +}; + +static const struct virtsnd_a2v_rate g_a2v_rate_map[] = { + { 5512, VIRTIO_SND_PCM_RATE_5512 }, + { 8000, VIRTIO_SND_PCM_RATE_8000 }, + { 11025, VIRTIO_SND_PCM_RATE_11025 }, + { 16000, VIRTIO_SND_PCM_RATE_16000 }, + { 22050, VIRTIO_SND_PCM_RATE_22050 }, + { 32000, VIRTIO_SND_PCM_RATE_32000 }, + { 44100, VIRTIO_SND_PCM_RATE_44100 }, + { 48000, VIRTIO_SND_PCM_RATE_48000 }, + { 64000, VIRTIO_SND_PCM_RATE_64000 }, + { 88200, VIRTIO_SND_PCM_RATE_88200 }, + { 96000, VIRTIO_SND_PCM_RATE_96000 }, + { 176400, VIRTIO_SND_PCM_RATE_176400 }, + { 192000, VIRTIO_SND_PCM_RATE_192000 } +}; + +static int virtsnd_pcm_sync_stop(struct snd_pcm_substream *substream); + +/** + * virtsnd_pcm_open() - Open the PCM substream. + * @substream: Kernel ALSA substream. + * + * Context: Process context. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_pcm_open(struct snd_pcm_substream *substream) +{ + struct virtio_pcm *vpcm = snd_pcm_substream_chip(substream); + struct virtio_pcm_stream *vs = &vpcm->streams[substream->stream]; + struct virtio_pcm_substream *vss = vs->substreams[substream->number]; + + substream->runtime->hw = vss->hw; + substream->private_data = vss; + + snd_pcm_hw_constraint_integer(substream->runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + + vss->stopped = !!virtsnd_pcm_msg_pending_num(vss); + vss->suspended = false; + + /* + * If the substream has already been used, then the I/O queue may be in + * an invalid state. Just in case, we do a check and try to return the + * queue to its original state, if necessary. + */ + return virtsnd_pcm_sync_stop(substream); +} + +/** + * virtsnd_pcm_close() - Close the PCM substream. + * @substream: Kernel ALSA substream. + * + * Context: Process context. + * Return: 0. + */ +static int virtsnd_pcm_close(struct snd_pcm_substream *substream) +{ + return 0; +} + +/** + * virtsnd_pcm_dev_set_params() - Set the parameters of the PCM substream on + * the device side. + * @vss: VirtIO PCM substream. + * @buffer_bytes: Size of the hardware buffer. + * @period_bytes: Size of the hardware period. + * @channels: Selected number of channels. + * @format: Selected sample format (SNDRV_PCM_FORMAT_XXX). + * @rate: Selected frame rate. + * + * Context: Any context that permits to sleep. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_pcm_dev_set_params(struct virtio_pcm_substream *vss, + unsigned int buffer_bytes, + unsigned int period_bytes, + unsigned int channels, + snd_pcm_format_t format, + unsigned int rate) +{ + struct virtio_snd_msg *msg; + struct virtio_snd_pcm_set_params *request; + unsigned int i; + int vformat = -1; + int vrate = -1; + + for (i = 0; i < ARRAY_SIZE(g_a2v_format_map); ++i) + if (g_a2v_format_map[i].alsa_bit == format) { + vformat = g_a2v_format_map[i].vio_bit; + + break; + } + + for (i = 0; i < ARRAY_SIZE(g_a2v_rate_map); ++i) + if (g_a2v_rate_map[i].rate == rate) { + vrate = g_a2v_rate_map[i].vio_bit; + + break; + } + + if (vformat == -1 || vrate == -1) + return -EINVAL; + + msg = virtsnd_pcm_ctl_msg_alloc(vss, VIRTIO_SND_R_PCM_SET_PARAMS, + GFP_KERNEL); + if (!msg) + return -ENOMEM; + + request = virtsnd_ctl_msg_request(msg); + request->buffer_bytes = cpu_to_le32(buffer_bytes); + request->period_bytes = cpu_to_le32(period_bytes); + request->channels = channels; + request->format = vformat; + request->rate = vrate; + + if (vss->features & (1U << VIRTIO_SND_PCM_F_MSG_POLLING)) + request->features |= + cpu_to_le32(1U << VIRTIO_SND_PCM_F_MSG_POLLING); + + if (vss->features & (1U << VIRTIO_SND_PCM_F_EVT_XRUNS)) + request->features |= + cpu_to_le32(1U << VIRTIO_SND_PCM_F_EVT_XRUNS); + + return virtsnd_ctl_msg_send_sync(vss->snd, msg); +} + +/** + * virtsnd_pcm_hw_params() - Set the parameters of the PCM substream. + * @substream: Kernel ALSA substream. + * @hw_params: Hardware parameters. + * + * Context: Process context. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + struct virtio_device *vdev = vss->snd->vdev; + int rc; + + if (virtsnd_pcm_msg_pending_num(vss)) { + dev_err(&vdev->dev, "SID %u: invalid I/O queue state\n", + vss->sid); + return -EBADFD; + } + + rc = virtsnd_pcm_dev_set_params(vss, params_buffer_bytes(hw_params), + params_period_bytes(hw_params), + params_channels(hw_params), + params_format(hw_params), + params_rate(hw_params)); + if (rc) + return rc; + + /* + * Free previously allocated messages if ops->hw_params() is called + * several times in a row, or if ops->hw_free() failed to free messages. + */ + virtsnd_pcm_msg_free(vss); + + return virtsnd_pcm_msg_alloc(vss, params_periods(hw_params), + params_period_bytes(hw_params)); +} + +/** + * virtsnd_pcm_hw_free() - Reset the parameters of the PCM substream. + * @substream: Kernel ALSA substream. + * + * Context: Process context. + * Return: 0 + */ +static int virtsnd_pcm_hw_free(struct snd_pcm_substream *substream) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + + /* If the queue is flushed, we can safely free the messages here. */ + if (!virtsnd_pcm_msg_pending_num(vss)) + virtsnd_pcm_msg_free(vss); + + return 0; +} + +/** + * virtsnd_pcm_prepare() - Prepare the PCM substream. + * @substream: Kernel ALSA substream. + * + * Context: Process context. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_pcm_prepare(struct snd_pcm_substream *substream) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + struct virtio_device *vdev = vss->snd->vdev; + struct virtio_snd_msg *msg; + + if (!vss->suspended) { + if (virtsnd_pcm_msg_pending_num(vss)) { + dev_err(&vdev->dev, "SID %u: invalid I/O queue state\n", + vss->sid); + return -EBADFD; + } + + vss->buffer_bytes = snd_pcm_lib_buffer_bytes(substream); + vss->hw_ptr = 0; + vss->msg_last_enqueued = -1; + } else { + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned int buffer_bytes = snd_pcm_lib_buffer_bytes(substream); + unsigned int period_bytes = snd_pcm_lib_period_bytes(substream); + int rc; + + rc = virtsnd_pcm_dev_set_params(vss, buffer_bytes, period_bytes, + runtime->channels, + runtime->format, runtime->rate); + if (rc) + return rc; + } + + vss->xfer_xrun = false; + vss->suspended = false; + vss->msg_count = 0; + + msg = virtsnd_pcm_ctl_msg_alloc(vss, VIRTIO_SND_R_PCM_PREPARE, + GFP_KERNEL); + if (!msg) + return -ENOMEM; + + return virtsnd_ctl_msg_send_sync(vss->snd, msg); +} + +/** + * virtsnd_pcm_trigger() - Process command for the PCM substream. + * @substream: Kernel ALSA substream. + * @command: Substream command (SNDRV_PCM_TRIGGER_XXX). + * + * Context: Any context. Takes and releases the VirtIO substream spinlock. + * May take and release the tx/rx queue spinlock. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_pcm_trigger(struct snd_pcm_substream *substream, int command) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + struct virtio_snd *snd = vss->snd; + struct virtio_snd_queue *queue; + struct virtio_snd_msg *msg; + unsigned long flags; + int rc; + + switch (command) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + queue = virtsnd_pcm_queue(vss); + + spin_lock_irqsave(&queue->lock, flags); + spin_lock(&vss->lock); + rc = virtsnd_pcm_msg_send(vss); + if (!rc) + vss->xfer_enabled = true; + spin_unlock(&vss->lock); + spin_unlock_irqrestore(&queue->lock, flags); + if (rc) + return rc; + + msg = virtsnd_pcm_ctl_msg_alloc(vss, VIRTIO_SND_R_PCM_START, + GFP_KERNEL); + if (!msg) { + spin_lock_irqsave(&vss->lock, flags); + vss->xfer_enabled = false; + spin_unlock_irqrestore(&vss->lock, flags); + + return -ENOMEM; + } + + return virtsnd_ctl_msg_send_sync(snd, msg); + case SNDRV_PCM_TRIGGER_SUSPEND: + vss->suspended = true; + fallthrough; + case SNDRV_PCM_TRIGGER_STOP: + vss->stopped = true; + fallthrough; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + spin_lock_irqsave(&vss->lock, flags); + vss->xfer_enabled = false; + spin_unlock_irqrestore(&vss->lock, flags); + + msg = virtsnd_pcm_ctl_msg_alloc(vss, VIRTIO_SND_R_PCM_STOP, + GFP_KERNEL); + if (!msg) + return -ENOMEM; + + return virtsnd_ctl_msg_send_sync(snd, msg); + default: + return -EINVAL; + } +} + +/** + * virtsnd_pcm_sync_stop() - Synchronous PCM substream stop. + * @substream: Kernel ALSA substream. + * + * The function can be called both from the upper level or from the driver + * itself. + * + * Context: Process context. Takes and releases the VirtIO substream spinlock. + * Return: 0 on success, -errno on failure. + */ +static int virtsnd_pcm_sync_stop(struct snd_pcm_substream *substream) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + struct virtio_snd *snd = vss->snd; + struct virtio_snd_msg *msg; + unsigned int js = msecs_to_jiffies(virtsnd_msg_timeout_ms); + int rc; + + cancel_work_sync(&vss->elapsed_period); + + if (!vss->stopped) + return 0; + + msg = virtsnd_pcm_ctl_msg_alloc(vss, VIRTIO_SND_R_PCM_RELEASE, + GFP_KERNEL); + if (!msg) + return -ENOMEM; + + rc = virtsnd_ctl_msg_send_sync(snd, msg); + if (rc) + return rc; + + /* + * The spec states that upon receipt of the RELEASE command "the device + * MUST complete all pending I/O messages for the specified stream ID". + * Thus, we consider the absence of I/O messages in the queue as an + * indication that the substream has been released. + */ + rc = wait_event_interruptible_timeout(vss->msg_empty, + !virtsnd_pcm_msg_pending_num(vss), + js); + if (rc <= 0) { + dev_warn(&snd->vdev->dev, "SID %u: failed to flush I/O queue\n", + vss->sid); + + return !rc ? -ETIMEDOUT : rc; + } + + vss->stopped = false; + + return 0; +} + +/** + * virtsnd_pcm_pointer() - Get the current hardware position for the PCM + * substream. + * @substream: Kernel ALSA substream. + * + * Context: Any context. Takes and releases the VirtIO substream spinlock. + * Return: Hardware position in frames inside [0 ... buffer_size) range. + */ +static snd_pcm_uframes_t +virtsnd_pcm_pointer(struct snd_pcm_substream *substream) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + snd_pcm_uframes_t hw_ptr = SNDRV_PCM_POS_XRUN; + unsigned long flags; + + spin_lock_irqsave(&vss->lock, flags); + if (!vss->xfer_xrun) + hw_ptr = bytes_to_frames(substream->runtime, vss->hw_ptr); + spin_unlock_irqrestore(&vss->lock, flags); + + return hw_ptr; +} + +/* PCM substream operators map. */ +const struct snd_pcm_ops virtsnd_pcm_ops = { + .open = virtsnd_pcm_open, + .close = virtsnd_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = virtsnd_pcm_hw_params, + .hw_free = virtsnd_pcm_hw_free, + .prepare = virtsnd_pcm_prepare, + .trigger = virtsnd_pcm_trigger, + .sync_stop = virtsnd_pcm_sync_stop, + .pointer = virtsnd_pcm_pointer, +}; |