From patchwork Wed Mar 5 10:47:49 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Sakamoto X-Patchwork-Id: 3772631 X-Patchwork-Delegate: tiwai@suse.de Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 47BA4BF13A for ; Wed, 5 Mar 2014 10:50:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 624CB20240 for ; Wed, 5 Mar 2014 10:50:16 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id E12D82021E for ; Wed, 5 Mar 2014 10:50:13 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 94DC626594C; Wed, 5 Mar 2014 11:50:12 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 4BC3326513C; Wed, 5 Mar 2014 11:48:59 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 7F28826510B; Wed, 5 Mar 2014 11:48:56 +0100 (CET) Received: from smtp311.phy.lolipop.jp (smtp311.phy.lolipop.jp [210.157.22.79]) by alsa0.perex.cz (Postfix) with ESMTP id C1707265099 for ; Wed, 5 Mar 2014 11:48:46 +0100 (CET) Received: from smtp311.phy.lolipop.lan (HELO smtp311.phy.lolipop.jp) (172.17.1.11) (smtp-auth username m12129643-o-takashi, mechanism plain) by smtp311.phy.lolipop.jp (qpsmtpd/0.82) with ESMTPA; Wed, 05 Mar 2014 19:48:45 +0900 Received: from 127.0.0.1 (127.0.0.1) by smtp311.phy.lolipop.jp (LOLIPOP-Fsecure); Wed, 05 Mar 2014 19:48:28 +0900 (JST) X-Virus-Status: clean(LOLIPOP-Fsecure) From: Takashi Sakamoto To: clemens@ladisch.de, tiwai@suse.de, perex@perex.cz Date: Wed, 5 Mar 2014 19:47:49 +0900 Message-Id: <1394016507-15761-2-git-send-email-o-takashi@sakamocchi.jp> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1394016507-15761-1-git-send-email-o-takashi@sakamocchi.jp> References: <5316963F.1000206@sakamocchi.jp> <1394016507-15761-1-git-send-email-o-takashi@sakamocchi.jp> Cc: alsa-devel@alsa-project.org, ffado-devel@lists.sf.net Subject: [alsa-devel] [PATCH 01/39] firewire-lib: Rename functions, structure, member for AMDTP X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP This patch renames some functions, structure and member to reuse them in both AMDTP in/out stream. --- sound/firewire/amdtp.c | 154 +++++++++++++++++++++++----------------------- sound/firewire/amdtp.h | 64 ++++++++++--------- sound/firewire/dice.c | 46 +++++++------- sound/firewire/speakers.c | 46 +++++++------- 4 files changed, 158 insertions(+), 152 deletions(-) diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c index 9048777..16fe858 100644 --- a/sound/firewire/amdtp.c +++ b/sound/firewire/amdtp.c @@ -34,13 +34,13 @@ static void pcm_period_tasklet(unsigned long data); /** - * amdtp_out_stream_init - initialize an AMDTP output stream structure - * @s: the AMDTP output stream to initialize + * amdtp_stream_init - initialize an AMDTP stream structure + * @s: the AMDTP stream to initialize * @unit: the target of the stream * @flags: the packet transmission method to use */ -int amdtp_out_stream_init(struct amdtp_out_stream *s, struct fw_unit *unit, - enum cip_out_flags flags) +int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit, + enum cip_flags flags) { s->unit = fw_unit_get(unit); s->flags = flags; @@ -51,19 +51,19 @@ int amdtp_out_stream_init(struct amdtp_out_stream *s, struct fw_unit *unit, return 0; } -EXPORT_SYMBOL(amdtp_out_stream_init); +EXPORT_SYMBOL(amdtp_stream_init); /** - * amdtp_out_stream_destroy - free stream resources - * @s: the AMDTP output stream to destroy + * amdtp_stream_destroy - free stream resources + * @s: the AMDTP stream to destroy */ -void amdtp_out_stream_destroy(struct amdtp_out_stream *s) +void amdtp_stream_destroy(struct amdtp_stream *s) { - WARN_ON(amdtp_out_stream_running(s)); + WARN_ON(amdtp_stream_running(s)); mutex_destroy(&s->mutex); fw_unit_put(s->unit); } -EXPORT_SYMBOL(amdtp_out_stream_destroy); +EXPORT_SYMBOL(amdtp_stream_destroy); const unsigned int amdtp_syt_intervals[CIP_SFC_COUNT] = { [CIP_SFC_32000] = 8, @@ -77,8 +77,8 @@ const unsigned int amdtp_syt_intervals[CIP_SFC_COUNT] = { EXPORT_SYMBOL(amdtp_syt_intervals); /** - * amdtp_out_stream_set_parameters - set stream parameters - * @s: the AMDTP output stream to configure + * amdtp_stream_set_parameters - set stream parameters + * @s: the AMDTP stream to configure * @rate: the sample rate * @pcm_channels: the number of PCM samples in each data block, to be encoded * as AM824 multi-bit linear audio @@ -87,10 +87,10 @@ EXPORT_SYMBOL(amdtp_syt_intervals); * The parameters must be set before the stream is started, and must not be * changed while the stream is running. */ -void amdtp_out_stream_set_parameters(struct amdtp_out_stream *s, - unsigned int rate, - unsigned int pcm_channels, - unsigned int midi_ports) +void amdtp_stream_set_parameters(struct amdtp_stream *s, + unsigned int rate, + unsigned int pcm_channels, + unsigned int midi_ports) { static const unsigned int rates[] = { [CIP_SFC_32000] = 32000, @@ -103,7 +103,7 @@ void amdtp_out_stream_set_parameters(struct amdtp_out_stream *s, }; unsigned int sfc; - if (WARN_ON(amdtp_out_stream_running(s))) + if (WARN_ON(amdtp_stream_running(s))) return; for (sfc = 0; sfc < CIP_SFC_COUNT; ++sfc) @@ -132,47 +132,47 @@ sfc_found: /* additional buffering needed to adjust for no-data packets */ s->transfer_delay += TICKS_PER_SECOND * s->syt_interval / rate; } -EXPORT_SYMBOL(amdtp_out_stream_set_parameters); +EXPORT_SYMBOL(amdtp_stream_set_parameters); /** - * amdtp_out_stream_get_max_payload - get the stream's packet size - * @s: the AMDTP output stream + * amdtp_stream_get_max_payload - get the stream's packet size + * @s: the AMDTP stream * * This function must not be called before the stream has been configured - * with amdtp_out_stream_set_parameters(). + * with amdtp_stream_set_parameters(). */ -unsigned int amdtp_out_stream_get_max_payload(struct amdtp_out_stream *s) +unsigned int amdtp_stream_get_max_payload(struct amdtp_stream *s) { return 8 + s->syt_interval * s->data_block_quadlets * 4; } -EXPORT_SYMBOL(amdtp_out_stream_get_max_payload); +EXPORT_SYMBOL(amdtp_stream_get_max_payload); -static void amdtp_write_s16(struct amdtp_out_stream *s, +static void amdtp_write_s16(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames); -static void amdtp_write_s32(struct amdtp_out_stream *s, +static void amdtp_write_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames); -static void amdtp_write_s16_dualwire(struct amdtp_out_stream *s, +static void amdtp_write_s16_dualwire(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames); -static void amdtp_write_s32_dualwire(struct amdtp_out_stream *s, +static void amdtp_write_s32_dualwire(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames); /** - * amdtp_out_stream_set_pcm_format - set the PCM format - * @s: the AMDTP output stream to configure + * amdtp_stream_set_pcm_format - set the PCM format + * @s: the AMDTP stream to configure * @format: the format of the ALSA PCM device * * The sample format must be set after the other paramters (rate/PCM channels/ * MIDI) and before the stream is started, and must not be changed while the * stream is running. */ -void amdtp_out_stream_set_pcm_format(struct amdtp_out_stream *s, - snd_pcm_format_t format) +void amdtp_stream_set_pcm_format(struct amdtp_stream *s, + snd_pcm_format_t format) { - if (WARN_ON(amdtp_out_stream_running(s))) + if (WARN_ON(amdtp_stream_running(s))) return; switch (format) { @@ -193,24 +193,24 @@ void amdtp_out_stream_set_pcm_format(struct amdtp_out_stream *s, break; } } -EXPORT_SYMBOL(amdtp_out_stream_set_pcm_format); +EXPORT_SYMBOL(amdtp_stream_set_pcm_format); /** - * amdtp_out_stream_pcm_prepare - prepare PCM device for running - * @s: the AMDTP output stream + * amdtp_stream_pcm_prepare - prepare PCM device for running + * @s: the AMDTP stream * * This function should be called from the PCM device's .prepare callback. */ -void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s) +void amdtp_stream_pcm_prepare(struct amdtp_stream *s) { tasklet_kill(&s->period_tasklet); s->pcm_buffer_pointer = 0; s->pcm_period_pointer = 0; s->pointer_flush = true; } -EXPORT_SYMBOL(amdtp_out_stream_pcm_prepare); +EXPORT_SYMBOL(amdtp_stream_pcm_prepare); -static unsigned int calculate_data_blocks(struct amdtp_out_stream *s) +static unsigned int calculate_data_blocks(struct amdtp_stream *s) { unsigned int phase, data_blocks; @@ -243,7 +243,7 @@ static unsigned int calculate_data_blocks(struct amdtp_out_stream *s) return data_blocks; } -static unsigned int calculate_syt(struct amdtp_out_stream *s, +static unsigned int calculate_syt(struct amdtp_stream *s, unsigned int cycle) { unsigned int syt_offset, phase, index, syt; @@ -286,7 +286,7 @@ static unsigned int calculate_syt(struct amdtp_out_stream *s, } } -static void amdtp_write_s32(struct amdtp_out_stream *s, +static void amdtp_write_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames) { @@ -312,7 +312,7 @@ static void amdtp_write_s32(struct amdtp_out_stream *s, } } -static void amdtp_write_s16(struct amdtp_out_stream *s, +static void amdtp_write_s16(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames) { @@ -338,7 +338,7 @@ static void amdtp_write_s16(struct amdtp_out_stream *s, } } -static void amdtp_write_s32_dualwire(struct amdtp_out_stream *s, +static void amdtp_write_s32_dualwire(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames) { @@ -369,7 +369,7 @@ static void amdtp_write_s32_dualwire(struct amdtp_out_stream *s, } } -static void amdtp_write_s16_dualwire(struct amdtp_out_stream *s, +static void amdtp_write_s16_dualwire(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames) { @@ -400,7 +400,7 @@ static void amdtp_write_s16_dualwire(struct amdtp_out_stream *s, } } -static void amdtp_fill_pcm_silence(struct amdtp_out_stream *s, +static void amdtp_fill_pcm_silence(struct amdtp_stream *s, __be32 *buffer, unsigned int frames) { unsigned int i, c; @@ -412,7 +412,7 @@ static void amdtp_fill_pcm_silence(struct amdtp_out_stream *s, } } -static void amdtp_fill_midi(struct amdtp_out_stream *s, +static void amdtp_fill_midi(struct amdtp_stream *s, __be32 *buffer, unsigned int frames) { unsigned int i; @@ -422,7 +422,7 @@ static void amdtp_fill_midi(struct amdtp_out_stream *s, cpu_to_be32(0x80000000); } -static void queue_out_packet(struct amdtp_out_stream *s, unsigned int cycle) +static void queue_out_packet(struct amdtp_stream *s, unsigned int cycle) { __be32 *buffer; unsigned int index, data_blocks, syt, ptr; @@ -473,7 +473,7 @@ static void queue_out_packet(struct amdtp_out_stream *s, unsigned int cycle) if (err < 0) { dev_err(&s->unit->device, "queueing error: %d\n", err); s->packet_index = -1; - amdtp_out_stream_pcm_abort(s); + amdtp_stream_pcm_abort(s); return; } @@ -501,7 +501,7 @@ static void queue_out_packet(struct amdtp_out_stream *s, unsigned int cycle) static void pcm_period_tasklet(unsigned long data) { - struct amdtp_out_stream *s = (void *)data; + struct amdtp_stream *s = (void *)data; struct snd_pcm_substream *pcm = ACCESS_ONCE(s->pcm); if (pcm) @@ -509,9 +509,9 @@ static void pcm_period_tasklet(unsigned long data) } static void out_packet_callback(struct fw_iso_context *context, u32 cycle, - size_t header_length, void *header, void *data) + size_t header_length, void *header, void *private_data) { - struct amdtp_out_stream *s = data; + struct amdtp_stream *s = private_data; unsigned int i, packets = header_length / 4; /* @@ -526,7 +526,7 @@ static void out_packet_callback(struct fw_iso_context *context, u32 cycle, fw_iso_context_queue_flush(s->context); } -static int queue_initial_skip_packets(struct amdtp_out_stream *s) +static int queue_initial_skip_packets(struct amdtp_stream *s) { struct fw_iso_packet skip_packet = { .skip = 1, @@ -548,16 +548,16 @@ static int queue_initial_skip_packets(struct amdtp_out_stream *s) } /** - * amdtp_out_stream_start - start sending packets - * @s: the AMDTP output stream to start + * amdtp_stream_start - start transferring packets + * @s: the AMDTP stream to start * @channel: the isochronous channel on the bus * @speed: firewire speed code * * The stream cannot be started until it has been configured with - * amdtp_out_stream_set_parameters() and amdtp_out_stream_set_pcm_format(), - * and it must be started before any PCM or MIDI device can be started. + * amdtp_stream_set_parameters() and it must be started before any PCM or MIDI + * device can be started. */ -int amdtp_out_stream_start(struct amdtp_out_stream *s, int channel, int speed) +int amdtp_stream_start(struct amdtp_stream *s, int channel, int speed) { static const struct { unsigned int data_block; @@ -575,7 +575,7 @@ int amdtp_out_stream_start(struct amdtp_out_stream *s, int channel, int speed) mutex_lock(&s->mutex); - if (WARN_ON(amdtp_out_stream_running(s) || + if (WARN_ON(amdtp_stream_running(s) || (!s->pcm_channels && !s->midi_ports))) { err = -EBADFD; goto err_unlock; @@ -586,7 +586,7 @@ int amdtp_out_stream_start(struct amdtp_out_stream *s, int channel, int speed) s->last_syt_offset = TICKS_PER_CYCLE; err = iso_packets_buffer_init(&s->buffer, s->unit, QUEUE_LENGTH, - amdtp_out_stream_get_max_payload(s), + amdtp_stream_get_max_payload(s), DMA_TO_DEVICE); if (err < 0) goto err_unlock; @@ -599,11 +599,11 @@ int amdtp_out_stream_start(struct amdtp_out_stream *s, int channel, int speed) err = PTR_ERR(s->context); if (err == -EBUSY) dev_err(&s->unit->device, - "no free output stream on this controller\n"); + "no free stream on this controller\n"); goto err_buffer; } - amdtp_out_stream_update(s); + amdtp_stream_update(s); s->packet_index = 0; s->data_block_counter = 0; @@ -629,15 +629,15 @@ err_unlock: return err; } -EXPORT_SYMBOL(amdtp_out_stream_start); +EXPORT_SYMBOL(amdtp_stream_start); /** - * amdtp_out_stream_pcm_pointer - get the PCM buffer position - * @s: the AMDTP output stream that transports the PCM data + * amdtp_stream_pcm_pointer - get the PCM buffer position + * @s: the AMDTP stream that transports the PCM data * * Returns the current buffer position, in frames. */ -unsigned long amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s) +unsigned long amdtp_stream_pcm_pointer(struct amdtp_stream *s) { /* this optimization is allowed to be racy */ if (s->pointer_flush) @@ -647,31 +647,31 @@ unsigned long amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s) return ACCESS_ONCE(s->pcm_buffer_pointer); } -EXPORT_SYMBOL(amdtp_out_stream_pcm_pointer); +EXPORT_SYMBOL(amdtp_stream_pcm_pointer); /** - * amdtp_out_stream_update - update the stream after a bus reset - * @s: the AMDTP output stream + * amdtp_stream_update - update the stream after a bus reset + * @s: the AMDTP stream */ -void amdtp_out_stream_update(struct amdtp_out_stream *s) +void amdtp_stream_update(struct amdtp_stream *s) { ACCESS_ONCE(s->source_node_id_field) = (fw_parent_device(s->unit)->card->node_id & 0x3f) << 24; } -EXPORT_SYMBOL(amdtp_out_stream_update); +EXPORT_SYMBOL(amdtp_stream_update); /** - * amdtp_out_stream_stop - stop sending packets - * @s: the AMDTP output stream to stop + * amdtp_stream_stop - stop sending packets + * @s: the AMDTP stream to stop * * All PCM and MIDI devices of the stream must be stopped before the stream * itself can be stopped. */ -void amdtp_out_stream_stop(struct amdtp_out_stream *s) +void amdtp_stream_stop(struct amdtp_stream *s) { mutex_lock(&s->mutex); - if (!amdtp_out_stream_running(s)) { + if (!amdtp_stream_running(s)) { mutex_unlock(&s->mutex); return; } @@ -684,16 +684,16 @@ void amdtp_out_stream_stop(struct amdtp_out_stream *s) mutex_unlock(&s->mutex); } -EXPORT_SYMBOL(amdtp_out_stream_stop); +EXPORT_SYMBOL(amdtp_stream_stop); /** - * amdtp_out_stream_pcm_abort - abort the running PCM device + * amdtp_stream_pcm_abort - abort the running PCM device * @s: the AMDTP stream about to be stopped * * If the isochronous stream needs to be stopped asynchronously, call this * function first to stop the PCM device. */ -void amdtp_out_stream_pcm_abort(struct amdtp_out_stream *s) +void amdtp_stream_pcm_abort(struct amdtp_stream *s) { struct snd_pcm_substream *pcm; @@ -705,4 +705,4 @@ void amdtp_out_stream_pcm_abort(struct amdtp_out_stream *s) snd_pcm_stream_unlock_irq(pcm); } } -EXPORT_SYMBOL(amdtp_out_stream_pcm_abort); +EXPORT_SYMBOL(amdtp_stream_pcm_abort); diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h index 2746ecd..60028c7 100644 --- a/sound/firewire/amdtp.h +++ b/sound/firewire/amdtp.h @@ -8,7 +8,7 @@ #include "packets-buffer.h" /** - * enum cip_out_flags - describes details of the streaming protocol + * enum cip_flags - describes details of the streaming protocol * @CIP_NONBLOCKING: In non-blocking mode, each packet contains * sample_rate/8000 samples, with rounding up or down to adjust * for clock skew and left-over fractional samples. This should @@ -21,7 +21,7 @@ * two samples of a channel are stored consecutively in the packet. * Requires blocking mode and SYT_INTERVAL-aligned PCM buffer size. */ -enum cip_out_flags { +enum cip_flags { CIP_NONBLOCKING = 0x00, CIP_BLOCKING = 0x01, CIP_HI_DUALWIRE = 0x02, @@ -48,9 +48,9 @@ struct fw_unit; struct fw_iso_context; struct snd_pcm_substream; -struct amdtp_out_stream { +struct amdtp_stream { struct fw_unit *unit; - enum cip_out_flags flags; + enum cip_flags flags; struct fw_iso_context *context; struct mutex mutex; @@ -59,7 +59,7 @@ struct amdtp_out_stream { unsigned int data_block_quadlets; unsigned int pcm_channels; unsigned int midi_ports; - void (*transfer_samples)(struct amdtp_out_stream *s, + void (*transfer_samples)(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames); @@ -84,56 +84,62 @@ struct amdtp_out_stream { bool pointer_flush; }; -int amdtp_out_stream_init(struct amdtp_out_stream *s, struct fw_unit *unit, - enum cip_out_flags flags); -void amdtp_out_stream_destroy(struct amdtp_out_stream *s); +int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit, + enum cip_flags flags); +void amdtp_stream_destroy(struct amdtp_stream *s); -void amdtp_out_stream_set_parameters(struct amdtp_out_stream *s, - unsigned int rate, - unsigned int pcm_channels, - unsigned int midi_ports); -unsigned int amdtp_out_stream_get_max_payload(struct amdtp_out_stream *s); +void amdtp_stream_set_parameters(struct amdtp_stream *s, + unsigned int rate, + unsigned int pcm_channels, + unsigned int midi_ports); +unsigned int amdtp_stream_get_max_payload(struct amdtp_stream *s); -int amdtp_out_stream_start(struct amdtp_out_stream *s, int channel, int speed); -void amdtp_out_stream_update(struct amdtp_out_stream *s); -void amdtp_out_stream_stop(struct amdtp_out_stream *s); +int amdtp_stream_start(struct amdtp_stream *s, int channel, int speed); +void amdtp_stream_update(struct amdtp_stream *s); +void amdtp_stream_stop(struct amdtp_stream *s); -void amdtp_out_stream_set_pcm_format(struct amdtp_out_stream *s, - snd_pcm_format_t format); -void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s); -unsigned long amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s); -void amdtp_out_stream_pcm_abort(struct amdtp_out_stream *s); +void amdtp_stream_set_pcm_format(struct amdtp_stream *s, + snd_pcm_format_t format); +void amdtp_stream_pcm_prepare(struct amdtp_stream *s); +unsigned long amdtp_stream_pcm_pointer(struct amdtp_stream *s); +void amdtp_stream_pcm_abort(struct amdtp_stream *s); extern const unsigned int amdtp_syt_intervals[CIP_SFC_COUNT]; -static inline bool amdtp_out_stream_running(struct amdtp_out_stream *s) +/** + * amdtp_stream_running - check stream is running or not + * @s: the AMDTP stream + * + * If this function returns true, the stream is running. + */ +static inline bool amdtp_stream_running(struct amdtp_stream *s) { return !IS_ERR(s->context); } /** - * amdtp_out_streaming_error - check for streaming error - * @s: the AMDTP output stream + * amdtp_streaming_error - check for streaming error + * @s: the AMDTP stream * * If this function returns true, the stream's packet queue has stopped due to * an asynchronous error. */ -static inline bool amdtp_out_streaming_error(struct amdtp_out_stream *s) +static inline bool amdtp_streaming_error(struct amdtp_stream *s) { return s->packet_index < 0; } /** - * amdtp_out_stream_pcm_trigger - start/stop playback from a PCM device - * @s: the AMDTP output stream + * amdtp_stream_pcm_trigger - start/stop playback from a PCM device + * @s: the AMDTP stream * @pcm: the PCM device to be started, or %NULL to stop the current device * * Call this function on a running isochronous stream to enable the actual * transmission of PCM data. This function should be called from the PCM * device's .trigger callback. */ -static inline void amdtp_out_stream_pcm_trigger(struct amdtp_out_stream *s, - struct snd_pcm_substream *pcm) +static inline void amdtp_stream_pcm_trigger(struct amdtp_stream *s, + struct snd_pcm_substream *pcm) { ACCESS_ONCE(s->pcm) = pcm; } diff --git a/sound/firewire/dice.c b/sound/firewire/dice.c index 0c39486..ca12fcb 100644 --- a/sound/firewire/dice.c +++ b/sound/firewire/dice.c @@ -51,7 +51,7 @@ struct dice { wait_queue_head_t hwdep_wait; u32 notification_bits; struct fw_iso_resources resources; - struct amdtp_out_stream stream; + struct amdtp_stream stream; }; MODULE_DESCRIPTION("DICE driver"); @@ -460,17 +460,17 @@ static int dice_stream_start_packets(struct dice *dice) { int err; - if (amdtp_out_stream_running(&dice->stream)) + if (amdtp_stream_running(&dice->stream)) return 0; - err = amdtp_out_stream_start(&dice->stream, dice->resources.channel, - fw_parent_device(dice->unit)->max_speed); + err = amdtp_stream_start(&dice->stream, dice->resources.channel, + fw_parent_device(dice->unit)->max_speed); if (err < 0) return err; err = dice_enable_set(dice); if (err < 0) { - amdtp_out_stream_stop(&dice->stream); + amdtp_stream_stop(&dice->stream); return err; } @@ -484,7 +484,7 @@ static int dice_stream_start(struct dice *dice) if (!dice->resources.allocated) { err = fw_iso_resources_allocate(&dice->resources, - amdtp_out_stream_get_max_payload(&dice->stream), + amdtp_stream_get_max_payload(&dice->stream), fw_parent_device(dice->unit)->max_speed); if (err < 0) goto error; @@ -516,9 +516,9 @@ error: static void dice_stream_stop_packets(struct dice *dice) { - if (amdtp_out_stream_running(&dice->stream)) { + if (amdtp_stream_running(&dice->stream)) { dice_enable_clear(dice); - amdtp_out_stream_stop(&dice->stream); + amdtp_stream_stop(&dice->stream); } } @@ -581,12 +581,12 @@ static int dice_hw_params(struct snd_pcm_substream *substream, return err; mode = rate_index_to_mode(rate_index); - amdtp_out_stream_set_parameters(&dice->stream, - params_rate(hw_params), - params_channels(hw_params), - dice->rx_midi_ports[mode]); - amdtp_out_stream_set_pcm_format(&dice->stream, - params_format(hw_params)); + amdtp_stream_set_parameters(&dice->stream, + params_rate(hw_params), + params_channels(hw_params), + dice->rx_midi_ports[mode]); + amdtp_stream_set_pcm_format(&dice->stream, + params_format(hw_params)); return 0; } @@ -609,7 +609,7 @@ static int dice_prepare(struct snd_pcm_substream *substream) mutex_lock(&dice->mutex); - if (amdtp_out_streaming_error(&dice->stream)) + if (amdtp_streaming_error(&dice->stream)) dice_stream_stop_packets(dice); err = dice_stream_start(dice); @@ -620,7 +620,7 @@ static int dice_prepare(struct snd_pcm_substream *substream) mutex_unlock(&dice->mutex); - amdtp_out_stream_pcm_prepare(&dice->stream); + amdtp_stream_pcm_prepare(&dice->stream); return 0; } @@ -640,7 +640,7 @@ static int dice_trigger(struct snd_pcm_substream *substream, int cmd) default: return -EINVAL; } - amdtp_out_stream_pcm_trigger(&dice->stream, pcm); + amdtp_stream_pcm_trigger(&dice->stream, pcm); return 0; } @@ -649,7 +649,7 @@ static snd_pcm_uframes_t dice_pointer(struct snd_pcm_substream *substream) { struct dice *dice = substream->private_data; - return amdtp_out_stream_pcm_pointer(&dice->stream); + return amdtp_stream_pcm_pointer(&dice->stream); } static int dice_create_pcm(struct dice *dice) @@ -1104,7 +1104,7 @@ static void dice_card_free(struct snd_card *card) { struct dice *dice = card->private_data; - amdtp_out_stream_destroy(&dice->stream); + amdtp_stream_destroy(&dice->stream); fw_core_remove_address_handler(&dice->notification_handler); mutex_destroy(&dice->mutex); } @@ -1360,8 +1360,8 @@ static int dice_probe(struct fw_unit *unit, const struct ieee1394_device_id *id) goto err_owner; dice->resources.channels_mask = 0x00000000ffffffffuLL; - err = amdtp_out_stream_init(&dice->stream, unit, - CIP_BLOCKING | CIP_HI_DUALWIRE); + err = amdtp_stream_init(&dice->stream, unit, + CIP_BLOCKING | CIP_HI_DUALWIRE); if (err < 0) goto err_resources; @@ -1417,7 +1417,7 @@ static void dice_remove(struct fw_unit *unit) { struct dice *dice = dev_get_drvdata(&unit->device); - amdtp_out_stream_pcm_abort(&dice->stream); + amdtp_stream_pcm_abort(&dice->stream); snd_card_disconnect(dice->card); @@ -1443,7 +1443,7 @@ static void dice_bus_reset(struct fw_unit *unit) * to stop so that the application can restart them in an orderly * manner. */ - amdtp_out_stream_pcm_abort(&dice->stream); + amdtp_stream_pcm_abort(&dice->stream); mutex_lock(&dice->mutex); diff --git a/sound/firewire/speakers.c b/sound/firewire/speakers.c index 9f7ef21..2096ad7 100644 --- a/sound/firewire/speakers.c +++ b/sound/firewire/speakers.c @@ -51,7 +51,7 @@ struct fwspk { const struct device_info *device_info; struct mutex mutex; struct cmp_connection connection; - struct amdtp_out_stream stream; + struct amdtp_stream stream; bool mute; s16 volume[6]; s16 volume_min; @@ -187,8 +187,8 @@ static int fwspk_close(struct snd_pcm_substream *substream) static void fwspk_stop_stream(struct fwspk *fwspk) { - if (amdtp_out_stream_running(&fwspk->stream)) { - amdtp_out_stream_stop(&fwspk->stream); + if (amdtp_stream_running(&fwspk->stream)) { + amdtp_stream_stop(&fwspk->stream); cmp_connection_break(&fwspk->connection); } } @@ -244,13 +244,13 @@ static int fwspk_hw_params(struct snd_pcm_substream *substream, if (err < 0) goto error; - amdtp_out_stream_set_parameters(&fwspk->stream, - params_rate(hw_params), - params_channels(hw_params), - 0); + amdtp_stream_set_parameters(&fwspk->stream, + params_rate(hw_params), + params_channels(hw_params), + 0); - amdtp_out_stream_set_pcm_format(&fwspk->stream, - params_format(hw_params)); + amdtp_stream_set_pcm_format(&fwspk->stream, + params_format(hw_params)); err = fwspk_set_rate(fwspk, fwspk->stream.sfc); if (err < 0) @@ -282,25 +282,25 @@ static int fwspk_prepare(struct snd_pcm_substream *substream) mutex_lock(&fwspk->mutex); - if (amdtp_out_streaming_error(&fwspk->stream)) + if (amdtp_streaming_error(&fwspk->stream)) fwspk_stop_stream(fwspk); - if (!amdtp_out_stream_running(&fwspk->stream)) { + if (!amdtp_stream_running(&fwspk->stream)) { err = cmp_connection_establish(&fwspk->connection, - amdtp_out_stream_get_max_payload(&fwspk->stream)); + amdtp_stream_get_max_payload(&fwspk->stream)); if (err < 0) goto err_mutex; - err = amdtp_out_stream_start(&fwspk->stream, - fwspk->connection.resources.channel, - fwspk->connection.speed); + err = amdtp_stream_start(&fwspk->stream, + fwspk->connection.resources.channel, + fwspk->connection.speed); if (err < 0) goto err_connection; } mutex_unlock(&fwspk->mutex); - amdtp_out_stream_pcm_prepare(&fwspk->stream); + amdtp_stream_pcm_prepare(&fwspk->stream); return 0; @@ -327,7 +327,7 @@ static int fwspk_trigger(struct snd_pcm_substream *substream, int cmd) default: return -EINVAL; } - amdtp_out_stream_pcm_trigger(&fwspk->stream, pcm); + amdtp_stream_pcm_trigger(&fwspk->stream, pcm); return 0; } @@ -335,7 +335,7 @@ static snd_pcm_uframes_t fwspk_pointer(struct snd_pcm_substream *substream) { struct fwspk *fwspk = substream->private_data; - return amdtp_out_stream_pcm_pointer(&fwspk->stream); + return amdtp_stream_pcm_pointer(&fwspk->stream); } static int fwspk_create_pcm(struct fwspk *fwspk) @@ -653,7 +653,7 @@ static void fwspk_card_free(struct snd_card *card) { struct fwspk *fwspk = card->private_data; - amdtp_out_stream_destroy(&fwspk->stream); + amdtp_stream_destroy(&fwspk->stream); cmp_connection_destroy(&fwspk->connection); fw_unit_put(fwspk->unit); mutex_destroy(&fwspk->mutex); @@ -683,7 +683,7 @@ static int fwspk_probe(struct fw_unit *unit, if (err < 0) goto err_unit; - err = amdtp_out_stream_init(&fwspk->stream, unit, CIP_NONBLOCKING); + err = amdtp_stream_init(&fwspk->stream, unit, CIP_NONBLOCKING); if (err < 0) goto err_connection; @@ -733,21 +733,21 @@ static void fwspk_bus_reset(struct fw_unit *unit) fcp_bus_reset(fwspk->unit); if (cmp_connection_update(&fwspk->connection) < 0) { - amdtp_out_stream_pcm_abort(&fwspk->stream); + amdtp_stream_pcm_abort(&fwspk->stream); mutex_lock(&fwspk->mutex); fwspk_stop_stream(fwspk); mutex_unlock(&fwspk->mutex); return; } - amdtp_out_stream_update(&fwspk->stream); + amdtp_stream_update(&fwspk->stream); } static void fwspk_remove(struct fw_unit *unit) { struct fwspk *fwspk = dev_get_drvdata(&unit->device); - amdtp_out_stream_pcm_abort(&fwspk->stream); + amdtp_stream_pcm_abort(&fwspk->stream); snd_card_disconnect(fwspk->card); mutex_lock(&fwspk->mutex);