From: Wesley Cheng <quic_wcheng@quicinc.com> To: <srinivas.kandagatla@linaro.org>, <mathias.nyman@intel.com>, <perex@perex.cz>, <broonie@kernel.org>, <lgirdwood@gmail.com>, <andersson@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>, <gregkh@linuxfoundation.org>, <Thinh.Nguyen@synopsys.com>, <bgoswami@quicinc.com>, <tiwai@suse.com>, <robh+dt@kernel.org>, <agross@kernel.org> Cc: <linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>, <alsa-devel@alsa-project.org>, <devicetree@vger.kernel.org>, <linux-usb@vger.kernel.org>, <quic_jackp@quicinc.com>, <quic_plai@quicinc.com>, Wesley Cheng <quic_wcheng@quicinc.com> Subject: [RFC PATCH 05/14] sound: usb: Export USB SND APIs for modules Date: Fri, 23 Dec 2022 15:31:51 -0800 [thread overview] Message-ID: <20221223233200.26089-6-quic_wcheng@quicinc.com> (raw) In-Reply-To: <20221223233200.26089-1-quic_wcheng@quicinc.com> Some vendor modules will utilize useful parsing and endpoint management APIs to start audio playback/capture. Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com> --- sound/usb/card.c | 2 ++ sound/usb/endpoint.c | 2 ++ sound/usb/helper.c | 1 + sound/usb/pcm.c | 9 ++++++--- sound/usb/pcm.h | 12 ++++++++++++ 5 files changed, 23 insertions(+), 3 deletions(-) diff --git a/sound/usb/card.c b/sound/usb/card.c index 212f55a7683c..396e5a34e23b 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -1068,6 +1068,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) } return 0; } +EXPORT_SYMBOL(snd_usb_autoresume); void snd_usb_autosuspend(struct snd_usb_audio *chip) { @@ -1081,6 +1082,7 @@ void snd_usb_autosuspend(struct snd_usb_audio *chip) for (i = 0; i < chip->num_interfaces; i++) usb_autopm_put_interface(chip->intf[i]); } +EXPORT_SYMBOL(snd_usb_autosuspend); static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) { diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 310cd6fb0038..1663f9e9cb4b 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -858,6 +858,7 @@ snd_usb_endpoint_open(struct snd_usb_audio *chip, mutex_unlock(&chip->mutex); return ep; } +EXPORT_SYMBOL_GPL(snd_usb_endpoint_open); /* * snd_usb_endpoint_set_sync: Link data and sync endpoints @@ -1525,6 +1526,7 @@ int snd_usb_endpoint_get_clock_rate(struct snd_usb_audio *chip, int clock) mutex_unlock(&chip->mutex); return rate; } +EXPORT_SYMBOL(snd_usb_endpoint_prepare); /** * snd_usb_endpoint_start: start an snd_usb_endpoint diff --git a/sound/usb/helper.c b/sound/usb/helper.c index a4410267bf70..b4ed9ef3eeb3 100644 --- a/sound/usb/helper.c +++ b/sound/usb/helper.c @@ -62,6 +62,7 @@ void *snd_usb_find_csint_desc(void *buffer, int buflen, void *after, u8 dsubtype } return NULL; } +EXPORT_SYMBOL_GPL(snd_usb_find_csint_desc); /* * Wrapper for usb_control_msg(). diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 8ed165f036a0..624f555c6657 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -87,7 +87,7 @@ static snd_pcm_uframes_t snd_usb_pcm_pointer(struct snd_pcm_substream *substream /* * find a matching audio format */ -static const struct audioformat * +const struct audioformat * find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, unsigned int rate, unsigned int channels, bool strict_match, struct snd_usb_substream *subs) @@ -147,8 +147,9 @@ find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, } return found; } +EXPORT_SYMBOL(find_format); -static const struct audioformat * +const struct audioformat * find_substream_format(struct snd_usb_substream *subs, const struct snd_pcm_hw_params *params) { @@ -156,6 +157,7 @@ find_substream_format(struct snd_usb_substream *subs, params_rate(params), params_channels(params), true, subs); } +EXPORT_SYMBOL(find_substream_format); static int init_pitch_v1(struct snd_usb_audio *chip, int ep) { @@ -418,7 +420,7 @@ int snd_usb_pcm_resume(struct snd_usb_stream *as) return 0; } -static void close_endpoints(struct snd_usb_audio *chip, +void close_endpoints(struct snd_usb_audio *chip, struct snd_usb_substream *subs) { if (subs->data_endpoint) { @@ -432,6 +434,7 @@ static void close_endpoints(struct snd_usb_audio *chip, subs->sync_endpoint = NULL; } } +EXPORT_SYMBOL(close_endpoints); /* * hw_params callback diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h index 493a4e34d78d..43a4a03dfce7 100644 --- a/sound/usb/pcm.h +++ b/sound/usb/pcm.h @@ -13,4 +13,16 @@ void snd_usb_preallocate_buffer(struct snd_usb_substream *subs); int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, struct audioformat *fmt); +void close_endpoints(struct snd_usb_audio *chip, + struct snd_usb_substream *subs); +int configure_endpoints(struct snd_usb_audio *chip, + struct snd_usb_substream *subs); + +const struct audioformat * +find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, + unsigned int rate, unsigned int channels, bool strict_match, + struct snd_usb_substream *subs); +const struct audioformat * +find_substream_format(struct snd_usb_substream *subs, + const struct snd_pcm_hw_params *params); #endif /* __USBAUDIO_PCM_H */
WARNING: multiple messages have this Message-ID (diff)
From: Wesley Cheng <quic_wcheng@quicinc.com> To: <srinivas.kandagatla@linaro.org>, <mathias.nyman@intel.com>, <perex@perex.cz>, <broonie@kernel.org>, <lgirdwood@gmail.com>, <andersson@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>, <gregkh@linuxfoundation.org>, <Thinh.Nguyen@synopsys.com>, <bgoswami@quicinc.com>, <tiwai@suse.com>, <robh+dt@kernel.org>, <agross@kernel.org> Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Wesley Cheng <quic_wcheng@quicinc.com>, quic_jackp@quicinc.com, quic_plai@quicinc.com Subject: [RFC PATCH 05/14] sound: usb: Export USB SND APIs for modules Date: Fri, 23 Dec 2022 15:31:51 -0800 [thread overview] Message-ID: <20221223233200.26089-6-quic_wcheng@quicinc.com> (raw) In-Reply-To: <20221223233200.26089-1-quic_wcheng@quicinc.com> Some vendor modules will utilize useful parsing and endpoint management APIs to start audio playback/capture. Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com> --- sound/usb/card.c | 2 ++ sound/usb/endpoint.c | 2 ++ sound/usb/helper.c | 1 + sound/usb/pcm.c | 9 ++++++--- sound/usb/pcm.h | 12 ++++++++++++ 5 files changed, 23 insertions(+), 3 deletions(-) diff --git a/sound/usb/card.c b/sound/usb/card.c index 212f55a7683c..396e5a34e23b 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -1068,6 +1068,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) } return 0; } +EXPORT_SYMBOL(snd_usb_autoresume); void snd_usb_autosuspend(struct snd_usb_audio *chip) { @@ -1081,6 +1082,7 @@ void snd_usb_autosuspend(struct snd_usb_audio *chip) for (i = 0; i < chip->num_interfaces; i++) usb_autopm_put_interface(chip->intf[i]); } +EXPORT_SYMBOL(snd_usb_autosuspend); static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) { diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 310cd6fb0038..1663f9e9cb4b 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -858,6 +858,7 @@ snd_usb_endpoint_open(struct snd_usb_audio *chip, mutex_unlock(&chip->mutex); return ep; } +EXPORT_SYMBOL_GPL(snd_usb_endpoint_open); /* * snd_usb_endpoint_set_sync: Link data and sync endpoints @@ -1525,6 +1526,7 @@ int snd_usb_endpoint_get_clock_rate(struct snd_usb_audio *chip, int clock) mutex_unlock(&chip->mutex); return rate; } +EXPORT_SYMBOL(snd_usb_endpoint_prepare); /** * snd_usb_endpoint_start: start an snd_usb_endpoint diff --git a/sound/usb/helper.c b/sound/usb/helper.c index a4410267bf70..b4ed9ef3eeb3 100644 --- a/sound/usb/helper.c +++ b/sound/usb/helper.c @@ -62,6 +62,7 @@ void *snd_usb_find_csint_desc(void *buffer, int buflen, void *after, u8 dsubtype } return NULL; } +EXPORT_SYMBOL_GPL(snd_usb_find_csint_desc); /* * Wrapper for usb_control_msg(). diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 8ed165f036a0..624f555c6657 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -87,7 +87,7 @@ static snd_pcm_uframes_t snd_usb_pcm_pointer(struct snd_pcm_substream *substream /* * find a matching audio format */ -static const struct audioformat * +const struct audioformat * find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, unsigned int rate, unsigned int channels, bool strict_match, struct snd_usb_substream *subs) @@ -147,8 +147,9 @@ find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, } return found; } +EXPORT_SYMBOL(find_format); -static const struct audioformat * +const struct audioformat * find_substream_format(struct snd_usb_substream *subs, const struct snd_pcm_hw_params *params) { @@ -156,6 +157,7 @@ find_substream_format(struct snd_usb_substream *subs, params_rate(params), params_channels(params), true, subs); } +EXPORT_SYMBOL(find_substream_format); static int init_pitch_v1(struct snd_usb_audio *chip, int ep) { @@ -418,7 +420,7 @@ int snd_usb_pcm_resume(struct snd_usb_stream *as) return 0; } -static void close_endpoints(struct snd_usb_audio *chip, +void close_endpoints(struct snd_usb_audio *chip, struct snd_usb_substream *subs) { if (subs->data_endpoint) { @@ -432,6 +434,7 @@ static void close_endpoints(struct snd_usb_audio *chip, subs->sync_endpoint = NULL; } } +EXPORT_SYMBOL(close_endpoints); /* * hw_params callback diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h index 493a4e34d78d..43a4a03dfce7 100644 --- a/sound/usb/pcm.h +++ b/sound/usb/pcm.h @@ -13,4 +13,16 @@ void snd_usb_preallocate_buffer(struct snd_usb_substream *subs); int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, struct audioformat *fmt); +void close_endpoints(struct snd_usb_audio *chip, + struct snd_usb_substream *subs); +int configure_endpoints(struct snd_usb_audio *chip, + struct snd_usb_substream *subs); + +const struct audioformat * +find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, + unsigned int rate, unsigned int channels, bool strict_match, + struct snd_usb_substream *subs); +const struct audioformat * +find_substream_format(struct snd_usb_substream *subs, + const struct snd_pcm_hw_params *params); #endif /* __USBAUDIO_PCM_H */
next prev parent reply other threads:[~2022-12-23 23:33 UTC|newest] Thread overview: 171+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-12-23 23:31 [RFC PATCH 00/14] Introduce QC USB SND audio offloading support Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-23 23:31 ` [RFC PATCH 01/14] ASoC: Add SOC USB APIs for adding an USB backend Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 6:48 ` Greg KH 2022-12-24 6:48 ` Greg KH 2022-12-23 23:31 ` [RFC PATCH 02/14] ASoC: qcom: qdsp6: Introduce USB AFE port to q6dsp Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 1:37 ` kernel test robot 2023-01-04 23:33 ` Pierre-Louis Bossart 2023-01-06 1:05 ` Wesley Cheng 2023-01-06 1:05 ` Wesley Cheng 2023-01-06 16:09 ` Pierre-Louis Bossart 2023-01-07 0:51 ` Wesley Cheng 2023-01-07 0:51 ` Wesley Cheng 2023-01-05 18:09 ` Krzysztof Kozlowski 2023-01-05 18:09 ` Krzysztof Kozlowski 2023-01-06 1:32 ` Wesley Cheng 2023-01-06 1:32 ` Wesley Cheng 2022-12-23 23:31 ` [RFC PATCH 03/14] ASoC: qcom: Add USB backend ASoC driver for Q6 Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 2:17 ` kernel test robot 2022-12-24 2:17 ` kernel test robot 2022-12-24 9:02 ` Greg KH 2022-12-24 9:02 ` Greg KH 2022-12-27 13:04 ` Mark Brown 2022-12-27 13:04 ` Mark Brown 2022-12-27 13:45 ` Greg KH 2022-12-27 13:45 ` Greg KH 2022-12-27 14:02 ` Takashi Iwai 2022-12-27 14:02 ` Takashi Iwai 2022-12-27 14:11 ` Mark Brown 2022-12-27 14:11 ` Mark Brown 2022-12-27 15:11 ` Mark Brown 2022-12-27 15:11 ` Mark Brown 2022-12-27 21:06 ` Wesley Cheng 2022-12-27 21:06 ` Wesley Cheng 2022-12-27 21:07 ` Wesley Cheng 2022-12-27 21:07 ` Wesley Cheng 2023-01-04 23:41 ` Pierre-Louis Bossart 2023-01-06 1:05 ` Wesley Cheng 2023-01-06 1:05 ` Wesley Cheng 2023-01-06 16:16 ` Pierre-Louis Bossart 2022-12-23 23:31 ` [RFC PATCH 04/14] sound: usb: card: Introduce USB SND vendor op callbacks Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 11:03 ` Dmitry Baryshkov 2022-12-24 11:03 ` Dmitry Baryshkov 2022-12-27 21:07 ` Wesley Cheng 2022-12-27 21:07 ` Wesley Cheng 2022-12-27 21:33 ` Dmitry Baryshkov 2022-12-27 21:33 ` Dmitry Baryshkov 2022-12-29 13:49 ` Oliver Neukum 2022-12-29 13:49 ` Oliver Neukum 2022-12-29 14:20 ` Takashi Iwai 2022-12-29 14:20 ` Takashi Iwai 2022-12-30 7:10 ` Wesley Cheng 2022-12-30 7:10 ` Wesley Cheng 2023-01-03 12:20 ` Oliver Neukum 2023-01-03 12:20 ` Oliver Neukum 2023-01-03 12:49 ` Takashi Iwai 2023-01-03 12:49 ` Takashi Iwai 2023-01-03 23:45 ` Wesley Cheng 2023-01-03 23:45 ` Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng [this message] 2022-12-23 23:31 ` [RFC PATCH 05/14] sound: usb: Export USB SND APIs for modules Wesley Cheng 2022-12-24 6:48 ` Greg KH 2022-12-24 6:48 ` Greg KH 2022-12-23 23:31 ` [RFC PATCH 06/14] usb: core: hcd: Introduce USB HCD APIs for interrupter management Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 8:54 ` Greg KH 2022-12-24 8:54 ` Greg KH 2022-12-27 21:13 ` Wesley Cheng 2022-12-27 21:13 ` Wesley Cheng 2022-12-24 15:29 ` Alan Stern 2022-12-24 15:29 ` Alan Stern 2022-12-27 21:07 ` Wesley Cheng 2022-12-27 21:07 ` Wesley Cheng 2022-12-28 8:59 ` Oliver Neukum 2022-12-28 8:59 ` Oliver Neukum 2022-12-28 15:16 ` Alan Stern 2022-12-28 15:16 ` Alan Stern 2022-12-28 20:31 ` Wesley Cheng 2022-12-28 20:31 ` Wesley Cheng 2022-12-29 1:41 ` Alan Stern 2022-12-29 1:41 ` Alan Stern 2022-12-23 23:31 ` [RFC PATCH 07/14] usb: host: xhci: Add XHCI secondary interrupter support Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 5:59 ` kernel test robot 2022-12-24 8:55 ` Greg KH 2022-12-24 8:55 ` Greg KH 2022-12-28 15:47 ` Mathias Nyman 2022-12-28 15:47 ` Mathias Nyman 2022-12-29 21:14 ` Wesley Cheng 2022-12-29 21:14 ` Wesley Cheng 2023-01-02 16:38 ` Mathias Nyman 2023-01-02 16:38 ` Mathias Nyman 2023-01-09 20:24 ` Wesley Cheng 2023-01-09 20:24 ` Wesley Cheng 2023-01-10 19:47 ` Mathias Nyman 2023-01-10 19:47 ` Mathias Nyman 2023-01-10 20:03 ` Wesley Cheng 2023-01-10 20:03 ` Wesley Cheng 2023-01-11 3:11 ` Wesley Cheng 2023-01-11 3:11 ` Wesley Cheng 2023-01-12 9:24 ` Mathias Nyman 2023-01-12 9:24 ` Mathias Nyman 2023-01-13 0:34 ` Wesley Cheng 2023-01-13 0:34 ` Wesley Cheng 2022-12-23 23:31 ` [RFC PATCH 08/14] usb: dwc3: Add DT parameter to specify maximum number of interrupters Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 11:13 ` Dmitry Baryshkov 2022-12-24 11:13 ` Dmitry Baryshkov 2022-12-26 12:28 ` Krzysztof Kozlowski 2022-12-26 12:28 ` Krzysztof Kozlowski 2022-12-27 21:06 ` Wesley Cheng 2022-12-27 21:06 ` Wesley Cheng 2022-12-23 23:31 ` [RFC PATCH 09/14] sound: usb: Introduce QC USB SND offloading support Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 2:27 ` kernel test robot 2023-01-02 17:28 ` Takashi Iwai 2023-01-02 17:28 ` Takashi Iwai 2023-01-04 22:38 ` Wesley Cheng 2023-01-04 22:38 ` Wesley Cheng 2023-01-04 23:51 ` Pierre-Louis Bossart 2023-01-06 1:06 ` Wesley Cheng 2023-01-06 1:06 ` Wesley Cheng 2022-12-23 23:31 ` [RFC PATCH 10/14] sound: usb: card: Check for support for requested audio format Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 8:59 ` Greg KH 2022-12-24 8:59 ` Greg KH 2022-12-27 21:07 ` Wesley Cheng 2022-12-27 21:07 ` Wesley Cheng 2022-12-27 20:31 ` kernel test robot 2022-12-23 23:31 ` [RFC PATCH 11/14] sound: soc: soc-usb: Add PCM format check API for USB backend Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 2:17 ` kernel test robot 2022-12-24 2:17 ` kernel test robot 2022-12-23 23:31 ` [RFC PATCH 12/14] sound: soc: qcom: qusb6: Ensure PCM format is supported by USB audio device Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-24 8:19 ` Sergey Shtylyov 2022-12-24 8:19 ` Sergey Shtylyov 2022-12-24 8:50 ` Wesley Cheng 2022-12-24 8:50 ` Wesley Cheng 2023-01-03 17:44 ` Mark Brown 2023-01-03 17:44 ` Mark Brown 2022-12-23 23:31 ` [RFC PATCH 13/14] ASoC: dt-bindings: Add Q6USB backend bindings Wesley Cheng 2022-12-23 23:31 ` Wesley Cheng 2022-12-26 12:25 ` Krzysztof Kozlowski 2022-12-26 12:25 ` Krzysztof Kozlowski 2022-12-23 23:32 ` [RFC PATCH 14/14] ASoC: dt-bindings: Update example for enabling USB offload on SM8250 Wesley Cheng 2022-12-23 23:32 ` Wesley Cheng 2022-12-26 12:27 ` Krzysztof Kozlowski 2022-12-26 12:27 ` Krzysztof Kozlowski 2023-01-03 17:46 ` Mark Brown 2023-01-03 17:46 ` Mark Brown 2023-01-05 18:09 ` Krzysztof Kozlowski 2023-01-05 18:09 ` Krzysztof Kozlowski 2023-01-04 0:46 ` Rob Herring 2023-01-04 0:46 ` Rob Herring 2022-12-24 6:45 ` [RFC PATCH 00/14] Introduce QC USB SND audio offloading support Greg KH 2022-12-24 6:45 ` Greg KH 2022-12-24 8:49 ` Wesley Cheng 2022-12-24 8:49 ` Wesley Cheng 2022-12-27 14:36 ` Mark Brown 2022-12-27 14:36 ` Mark Brown 2023-01-04 23:19 ` Pierre-Louis Bossart 2023-01-06 1:05 ` Wesley Cheng 2023-01-06 1:05 ` Wesley Cheng 2023-01-06 15:57 ` Pierre-Louis Bossart 2023-01-07 0:46 ` Wesley Cheng 2023-01-07 0:46 ` Wesley Cheng
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