[04/14] ALSA: firewire-motu: add wrapper functions for protocol-dependent operations

Message ID	20200519111641.123211-5-o-takashi@sakamocchi.jp (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=hLTZ=7B=alsa-project.org=alsa-devel-bounces@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0055D20708 From: Takashi Sakamoto <o-takashi@sakamocchi.jp> To: clemens@ladisch.de, tiwai@suse.de Subject: [PATCH 04/14] ALSA: firewire-motu: add wrapper functions for protocol-dependent operations Date: Tue, 19 May 2020 20:16:31 +0900 Message-Id: <20200519111641.123211-5-o-takashi@sakamocchi.jp> In-Reply-To: <20200519111641.123211-1-o-takashi@sakamocchi.jp> References: <20200519111641.123211-1-o-takashi@sakamocchi.jp> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: alsa-devel@alsa-project.org Precedence: list Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" <alsa-devel-bounces@alsa-project.org>
Series	ALSA: firewire-motu: code refactoring to obsolete protocol structure \| expand [00/14] ALSA: firewire-motu: code refactoring to obsolete protocol structure [01/14] ALSA: firewire-motu: move spec data to v2 protocol file [02/14] ALSA: firewire-motu: move spec data to v3 protocol file [03/14] ALSA: firewire-motu: localize protocol data [04/14] ALSA: firewire-motu: add wrapper functions for protocol-dependent operations [05/14] ALSA: firewire-motu: drop protocol structure [06/14] ALSA: firewire-motu: add model-specific table of chunk count [07/14] ALSA: firewire-motu: add alternative functions to detect packet format for protocol v2 [08/14] ALSA: firewire-motu: add alternative functions to detect packet format for protocol v3 [09/14] ALSA: firewire-motu: use table-based calculation of packet formats for proc [10/14] ALSA: firewire-motu: use table-based calculation of packet formats for stream management [11/14] ALSA: firewire-motu: remove obsoleted codes [12/14] ALSA: firewire-motu: refactoring protocol v2 for clock source getter [13/14] ALSA: firewire-motu: refactoring protocol v3 for clock source getter [14/14] ALSA: firewire-motu: refactoring protocol v2 for fetching mode switch

diff --git a/sound/firewire/motu/motu-pcm.c b/sound/firewire/motu/motu-pcm.c index 2d41a1a4052c..b24bb870388e 100644 --- a/sound/firewire/motu/motu-pcm.c +++ b/sound/firewire/motu/motu-pcm.c @@ -133,7 +133,6 @@ static int init_hw_info(struct snd_motu *motu, static int pcm_open(struct snd_pcm_substream *substream) { struct snd_motu *motu = substream->private_data; - const struct snd_motu_protocol *const protocol = motu->spec->protocol; struct amdtp_domain *d = &motu->domain; enum snd_motu_clock_source src; int err; @@ -152,7 +151,7 @@ static int pcm_open(struct snd_pcm_substream *substream) if (err < 0) goto err_locked; - err = protocol->get_clock_source(motu, &src); + err = snd_motu_protocol_get_clock_source(motu, &src); if (err < 0) goto err_locked; @@ -166,7 +165,7 @@ static int pcm_open(struct snd_pcm_substream *substream) unsigned int frames_per_buffer = d->events_per_buffer; unsigned int rate; - err = protocol->get_clock_rate(motu, &rate); + err = snd_motu_protocol_get_clock_rate(motu, &rate); if (err < 0) goto err_locked; diff --git a/sound/firewire/motu/motu-proc.c b/sound/firewire/motu/motu-proc.c index 187f6abd878c..71d02602d84d 100644 --- a/sound/firewire/motu/motu-proc.c +++ b/sound/firewire/motu/motu-proc.c @@ -28,13 +28,12 @@ static void proc_read_clock(struct snd_info_entry *entry, { struct snd_motu *motu = entry->private_data; - const struct snd_motu_protocol *const protocol = motu->spec->protocol; unsigned int rate; enum snd_motu_clock_source source; - if (protocol->get_clock_rate(motu, &rate) < 0) + if (snd_motu_protocol_get_clock_rate(motu, &rate) < 0) return; - if (protocol->get_clock_source(motu, &source) < 0) + if (snd_motu_protocol_get_clock_source(motu, &source) < 0) return; snd_iprintf(buffer, "Rate:\t%d\n", rate); @@ -45,12 +44,11 @@ static void proc_read_format(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { struct snd_motu *motu = entry->private_data; - const struct snd_motu_protocol *const protocol = motu->spec->protocol; unsigned int mode; struct snd_motu_packet_format *formats; int i; - if (protocol->cache_packet_formats(motu) < 0) + if (snd_motu_protocol_cache_packet_formats(motu) < 0) return; snd_iprintf(buffer, "tx:\tmsg\tfixed\tdiffered\n"); diff --git a/sound/firewire/motu/motu-protocol-v2.c b/sound/firewire/motu/motu-protocol-v2.c index 2cd710a7c792..26534ed97fbc 100644 --- a/sound/firewire/motu/motu-protocol-v2.c +++ b/sound/firewire/motu/motu-protocol-v2.c @@ -35,7 +35,8 @@ static int get_clock_rate(u32 data, unsigned int *rate) return 0; } -static int v2_get_clock_rate(struct snd_motu *motu, unsigned int *rate) +int snd_motu_protocol_v2_get_clock_rate(struct snd_motu *motu, + unsigned int *rate) { __be32 reg; int err; @@ -48,7 +49,8 @@ static int v2_get_clock_rate(struct snd_motu *motu, unsigned int *rate) return get_clock_rate(be32_to_cpu(reg), rate); } -static int v2_set_clock_rate(struct snd_motu *motu, unsigned int rate) +int snd_motu_protocol_v2_set_clock_rate(struct snd_motu *motu, + unsigned int rate) { __be32 reg; u32 data; @@ -122,8 +124,8 @@ static int get_clock_source(struct snd_motu *motu, u32 data, return 0; } -static int v2_get_clock_source(struct snd_motu *motu, - enum snd_motu_clock_source *src) +int snd_motu_protocol_v2_get_clock_source(struct snd_motu *motu, + enum snd_motu_clock_source *src) { __be32 reg; int err; @@ -136,7 +138,8 @@ static int v2_get_clock_source(struct snd_motu *motu, return get_clock_source(motu, be32_to_cpu(reg), src); } -static int v2_switch_fetching_mode(struct snd_motu *motu, bool enable) +int snd_motu_protocol_v2_switch_fetching_mode(struct snd_motu *motu, + bool enable) { enum snd_motu_clock_source src; __be32 reg; @@ -265,7 +268,7 @@ static void calculate_differed_part(struct snd_motu_packet_format *formats, formats->differed_part_pcm_chunks[1] = pcm_chunks[1]; } -static int v2_cache_packet_formats(struct snd_motu *motu) +int snd_motu_protocol_v2_cache_packet_formats(struct snd_motu *motu) { __be32 reg; u32 data; @@ -294,11 +297,6 @@ static int v2_cache_packet_formats(struct snd_motu *motu) } static const struct snd_motu_protocol snd_motu_protocol_v2 = { - .get_clock_rate = v2_get_clock_rate, - .set_clock_rate = v2_set_clock_rate, - .get_clock_source = v2_get_clock_source, - .switch_fetching_mode = v2_switch_fetching_mode, - .cache_packet_formats = v2_cache_packet_formats, }; const struct snd_motu_spec snd_motu_spec_828mk2 = { diff --git a/sound/firewire/motu/motu-protocol-v3.c b/sound/firewire/motu/motu-protocol-v3.c index 548c97752cb8..d8b42d28304a 100644 --- a/sound/firewire/motu/motu-protocol-v3.c +++ b/sound/firewire/motu/motu-protocol-v3.c @@ -24,7 +24,8 @@ #define V3_NO_ADAT_OPT_OUT_IFACE_A 0x00040000 #define V3_NO_ADAT_OPT_OUT_IFACE_B 0x00400000 -static int v3_get_clock_rate(struct snd_motu *motu, unsigned int *rate) +int snd_motu_protocol_v3_get_clock_rate(struct snd_motu *motu, + unsigned int *rate) { __be32 reg; u32 data; @@ -45,7 +46,8 @@ static int v3_get_clock_rate(struct snd_motu *motu, unsigned int *rate) return 0; } -static int v3_set_clock_rate(struct snd_motu *motu, unsigned int rate) +int snd_motu_protocol_v3_set_clock_rate(struct snd_motu *motu, + unsigned int rate) { __be32 reg; u32 data; @@ -85,8 +87,8 @@ static int v3_set_clock_rate(struct snd_motu *motu, unsigned int rate) return 0; } -static int v3_get_clock_source(struct snd_motu *motu, - enum snd_motu_clock_source *src) +int snd_motu_protocol_v3_get_clock_source(struct snd_motu *motu, + enum snd_motu_clock_source *src) { __be32 reg; u32 data; @@ -133,7 +135,8 @@ static int v3_get_clock_source(struct snd_motu *motu, return 0; } -static int v3_switch_fetching_mode(struct snd_motu *motu, bool enable) +int snd_motu_protocol_v3_switch_fetching_mode(struct snd_motu *motu, + bool enable) { __be32 reg; u32 data; @@ -275,7 +278,7 @@ static void calculate_differed_part(struct snd_motu_packet_format *formats, } } -static int v3_cache_packet_formats(struct snd_motu *motu) +int snd_motu_protocol_v3_cache_packet_formats(struct snd_motu *motu) { __be32 reg; u32 data; @@ -308,11 +311,6 @@ static int v3_cache_packet_formats(struct snd_motu *motu) } static const struct snd_motu_protocol snd_motu_protocol_v3 = { - .get_clock_rate = v3_get_clock_rate, - .set_clock_rate = v3_set_clock_rate, - .get_clock_source = v3_get_clock_source, - .switch_fetching_mode = v3_switch_fetching_mode, - .cache_packet_formats = v3_cache_packet_formats, }; const struct snd_motu_spec snd_motu_spec_828mk3 = { diff --git a/sound/firewire/motu/motu-stream.c b/sound/firewire/motu/motu-stream.c index 11a2b8b37768..87a8d9016f83 100644 --- a/sound/firewire/motu/motu-stream.c +++ b/sound/firewire/motu/motu-stream.c @@ -88,7 +88,7 @@ static void finish_session(struct snd_motu *motu) u32 data; int err; - err = motu->spec->protocol->switch_fetching_mode(motu, false); + err = snd_motu_protocol_switch_fetching_mode(motu, false); if (err < 0) return; @@ -110,7 +110,7 @@ int snd_motu_stream_cache_packet_formats(struct snd_motu *motu) { int err; - err = motu->spec->protocol->cache_packet_formats(motu); + err = snd_motu_protocol_cache_packet_formats(motu); if (err < 0) return err; @@ -140,7 +140,7 @@ int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate, unsigned int curr_rate; int err; - err = motu->spec->protocol->get_clock_rate(motu, &curr_rate); + err = snd_motu_protocol_get_clock_rate(motu, &curr_rate); if (err < 0) return err; if (rate == 0) @@ -153,7 +153,7 @@ int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate, fw_iso_resources_free(&motu->tx_resources); fw_iso_resources_free(&motu->rx_resources); - err = motu->spec->protocol->set_clock_rate(motu, rate); + err = snd_motu_protocol_set_clock_rate(motu, rate); if (err < 0) { dev_err(&motu->unit->device, "fail to set sampling rate: %d\n", err); @@ -272,7 +272,7 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu) goto stop_streams; } - err = motu->spec->protocol->switch_fetching_mode(motu, true); + err = snd_motu_protocol_switch_fetching_mode(motu, true); if (err < 0) { dev_err(&motu->unit->device, "fail to enable frame fetching: %d\n", err); diff --git a/sound/firewire/motu/motu.h b/sound/firewire/motu/motu.h index 9db692006d95..d59841677596 100644 --- a/sound/firewire/motu/motu.h +++ b/sound/firewire/motu/motu.h @@ -179,4 +179,79 @@ int snd_motu_create_pcm_devices(struct snd_motu *motu); int snd_motu_create_midi_devices(struct snd_motu *motu); int snd_motu_create_hwdep_device(struct snd_motu *motu); + +int snd_motu_protocol_v2_get_clock_rate(struct snd_motu *motu, + unsigned int *rate); +int snd_motu_protocol_v2_set_clock_rate(struct snd_motu *motu, + unsigned int rate); +int snd_motu_protocol_v2_get_clock_source(struct snd_motu *motu, + enum snd_motu_clock_source *src); +int snd_motu_protocol_v2_switch_fetching_mode(struct snd_motu *motu, + bool enable); +int snd_motu_protocol_v2_cache_packet_formats(struct snd_motu *motu); + +int snd_motu_protocol_v3_get_clock_rate(struct snd_motu *motu, + unsigned int *rate); +int snd_motu_protocol_v3_set_clock_rate(struct snd_motu *motu, + unsigned int rate); +int snd_motu_protocol_v3_get_clock_source(struct snd_motu *motu, + enum snd_motu_clock_source *src); +int snd_motu_protocol_v3_switch_fetching_mode(struct snd_motu *motu, + bool enable); +int snd_motu_protocol_v3_cache_packet_formats(struct snd_motu *motu); + +static inline int snd_motu_protocol_get_clock_rate(struct snd_motu *motu, + unsigned int *rate) +{ + if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2) + return snd_motu_protocol_v2_get_clock_rate(motu, rate); + else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3) + return snd_motu_protocol_v3_get_clock_rate(motu, rate); + else + return -ENXIO; +} + +static inline int snd_motu_protocol_set_clock_rate(struct snd_motu *motu, + unsigned int rate) +{ + if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2) + return snd_motu_protocol_v2_set_clock_rate(motu, rate); + else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3) + return snd_motu_protocol_v3_set_clock_rate(motu, rate); + else + return -ENXIO; +} + +static inline int snd_motu_protocol_get_clock_source(struct snd_motu *motu, + enum snd_motu_clock_source *source) +{ + if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2) + return snd_motu_protocol_v2_get_clock_source(motu, source); + else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3) + return snd_motu_protocol_v3_get_clock_source(motu, source); + else + return -ENXIO; +} + +static inline int snd_motu_protocol_switch_fetching_mode(struct snd_motu *motu, + bool enable) +{ + if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2) + return snd_motu_protocol_v2_switch_fetching_mode(motu, enable); + else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3) + return snd_motu_protocol_v3_switch_fetching_mode(motu, enable); + else + return -ENXIO; +} + +static inline int snd_motu_protocol_cache_packet_formats(struct snd_motu *motu) +{ + if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2) + return snd_motu_protocol_v2_cache_packet_formats(motu); + else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3) + return snd_motu_protocol_v3_cache_packet_formats(motu); + else + return -ENXIO; +} + #endif

[04/14] ALSA: firewire-motu: add wrapper functions for protocol-dependent operations

Commit Message

Patch