From: Takashi Iwai <tiwai@suse.de> To: linux-media@vger.kernel.org Cc: alsa-devel@alsa-project.org, Takashi Iwai <tiwai@suse.de>, Andy Walls <awalls@md.metrocast.net>, Mauro Carvalho Chehab <mchehab@kernel.org> Subject: [PATCH for-5.6 06/14] media: ivtv: Clean up ALSA PCM API usages Date: Tue, 10 Dec 2019 14:58:41 +0100 [thread overview] Message-ID: <20191210135849.15607-7-tiwai@suse.de> (raw) In-Reply-To: <20191210135849.15607-1-tiwai@suse.de> With the recent change in ALSA PCM core, the whole open-coded vmalloc buffer handling in this driver can be dropped by replacing with the managed buffer allocation. Cc: Andy Walls <awalls@md.metrocast.net> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> --- drivers/media/pci/ivtv/ivtv-alsa-pcm.c | 63 +--------------------------------- 1 file changed, 1 insertion(+), 62 deletions(-) diff --git a/drivers/media/pci/ivtv/ivtv-alsa-pcm.c b/drivers/media/pci/ivtv/ivtv-alsa-pcm.c index 9e6019a159f4..cb281ce089f9 100644 --- a/drivers/media/pci/ivtv/ivtv-alsa-pcm.c +++ b/drivers/media/pci/ivtv/ivtv-alsa-pcm.c @@ -16,8 +16,6 @@ #include "ivtv-alsa.h" #include "ivtv-alsa-pcm.h" -#include <linux/vmalloc.h> - #include <sound/core.h> #include <sound/pcm.h> @@ -218,55 +216,6 @@ static int snd_ivtv_pcm_ioctl(struct snd_pcm_substream *substream, return ret; } - -static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, - size_t size) -{ - struct snd_pcm_runtime *runtime = subs->runtime; - - dprintk("Allocating vbuffer\n"); - if (runtime->dma_area) { - if (runtime->dma_bytes > size) - return 0; - - vfree(runtime->dma_area); - } - runtime->dma_area = vmalloc(size); - if (!runtime->dma_area) - return -ENOMEM; - - runtime->dma_bytes = size; - - return 0; -} - -static int snd_ivtv_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - dprintk("%s called\n", __func__); - - return snd_pcm_alloc_vmalloc_buffer(substream, - params_buffer_bytes(params)); -} - -static int snd_ivtv_pcm_hw_free(struct snd_pcm_substream *substream) -{ - struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream); - unsigned long flags; - unsigned char *dma_area = NULL; - - spin_lock_irqsave(&itvsc->slock, flags); - if (substream->runtime->dma_area) { - dprintk("freeing pcm capture region\n"); - dma_area = substream->runtime->dma_area; - substream->runtime->dma_area = NULL; - } - spin_unlock_irqrestore(&itvsc->slock, flags); - vfree(dma_area); - - return 0; -} - static int snd_ivtv_pcm_prepare(struct snd_pcm_substream *substream) { struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream); @@ -296,24 +245,13 @@ snd_pcm_uframes_t snd_ivtv_pcm_pointer(struct snd_pcm_substream *substream) return hwptr_done; } -static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs, - unsigned long offset) -{ - void *pageptr = subs->runtime->dma_area + offset; - - return vmalloc_to_page(pageptr); -} - static const struct snd_pcm_ops snd_ivtv_pcm_capture_ops = { .open = snd_ivtv_pcm_capture_open, .close = snd_ivtv_pcm_capture_close, .ioctl = snd_ivtv_pcm_ioctl, - .hw_params = snd_ivtv_pcm_hw_params, - .hw_free = snd_ivtv_pcm_hw_free, .prepare = snd_ivtv_pcm_prepare, .trigger = snd_ivtv_pcm_trigger, .pointer = snd_ivtv_pcm_pointer, - .page = snd_pcm_get_vmalloc_page, }; int snd_ivtv_pcm_create(struct snd_ivtv_card *itvsc) @@ -339,6 +277,7 @@ int snd_ivtv_pcm_create(struct snd_ivtv_card *itvsc) snd_pcm_set_ops(sp, SNDRV_PCM_STREAM_CAPTURE, &snd_ivtv_pcm_capture_ops); + snd_pcm_set_managed_buffer_all(sp, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0); sp->info_flags = 0; sp->private_data = itvsc; strscpy(sp->name, itv->card_name, sizeof(sp->name)); -- 2.16.4
WARNING: multiple messages have this Message-ID (diff)
From: Takashi Iwai <tiwai@suse.de> To: linux-media@vger.kernel.org Cc: Takashi Iwai <tiwai@suse.de>, alsa-devel@alsa-project.org, Andy Walls <awalls@md.metrocast.net>, Mauro Carvalho Chehab <mchehab@kernel.org> Subject: [alsa-devel] [PATCH for-5.6 06/14] media: ivtv: Clean up ALSA PCM API usages Date: Tue, 10 Dec 2019 14:58:41 +0100 [thread overview] Message-ID: <20191210135849.15607-7-tiwai@suse.de> (raw) In-Reply-To: <20191210135849.15607-1-tiwai@suse.de> With the recent change in ALSA PCM core, the whole open-coded vmalloc buffer handling in this driver can be dropped by replacing with the managed buffer allocation. Cc: Andy Walls <awalls@md.metrocast.net> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> --- drivers/media/pci/ivtv/ivtv-alsa-pcm.c | 63 +--------------------------------- 1 file changed, 1 insertion(+), 62 deletions(-) diff --git a/drivers/media/pci/ivtv/ivtv-alsa-pcm.c b/drivers/media/pci/ivtv/ivtv-alsa-pcm.c index 9e6019a159f4..cb281ce089f9 100644 --- a/drivers/media/pci/ivtv/ivtv-alsa-pcm.c +++ b/drivers/media/pci/ivtv/ivtv-alsa-pcm.c @@ -16,8 +16,6 @@ #include "ivtv-alsa.h" #include "ivtv-alsa-pcm.h" -#include <linux/vmalloc.h> - #include <sound/core.h> #include <sound/pcm.h> @@ -218,55 +216,6 @@ static int snd_ivtv_pcm_ioctl(struct snd_pcm_substream *substream, return ret; } - -static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, - size_t size) -{ - struct snd_pcm_runtime *runtime = subs->runtime; - - dprintk("Allocating vbuffer\n"); - if (runtime->dma_area) { - if (runtime->dma_bytes > size) - return 0; - - vfree(runtime->dma_area); - } - runtime->dma_area = vmalloc(size); - if (!runtime->dma_area) - return -ENOMEM; - - runtime->dma_bytes = size; - - return 0; -} - -static int snd_ivtv_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - dprintk("%s called\n", __func__); - - return snd_pcm_alloc_vmalloc_buffer(substream, - params_buffer_bytes(params)); -} - -static int snd_ivtv_pcm_hw_free(struct snd_pcm_substream *substream) -{ - struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream); - unsigned long flags; - unsigned char *dma_area = NULL; - - spin_lock_irqsave(&itvsc->slock, flags); - if (substream->runtime->dma_area) { - dprintk("freeing pcm capture region\n"); - dma_area = substream->runtime->dma_area; - substream->runtime->dma_area = NULL; - } - spin_unlock_irqrestore(&itvsc->slock, flags); - vfree(dma_area); - - return 0; -} - static int snd_ivtv_pcm_prepare(struct snd_pcm_substream *substream) { struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream); @@ -296,24 +245,13 @@ snd_pcm_uframes_t snd_ivtv_pcm_pointer(struct snd_pcm_substream *substream) return hwptr_done; } -static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs, - unsigned long offset) -{ - void *pageptr = subs->runtime->dma_area + offset; - - return vmalloc_to_page(pageptr); -} - static const struct snd_pcm_ops snd_ivtv_pcm_capture_ops = { .open = snd_ivtv_pcm_capture_open, .close = snd_ivtv_pcm_capture_close, .ioctl = snd_ivtv_pcm_ioctl, - .hw_params = snd_ivtv_pcm_hw_params, - .hw_free = snd_ivtv_pcm_hw_free, .prepare = snd_ivtv_pcm_prepare, .trigger = snd_ivtv_pcm_trigger, .pointer = snd_ivtv_pcm_pointer, - .page = snd_pcm_get_vmalloc_page, }; int snd_ivtv_pcm_create(struct snd_ivtv_card *itvsc) @@ -339,6 +277,7 @@ int snd_ivtv_pcm_create(struct snd_ivtv_card *itvsc) snd_pcm_set_ops(sp, SNDRV_PCM_STREAM_CAPTURE, &snd_ivtv_pcm_capture_ops); + snd_pcm_set_managed_buffer_all(sp, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0); sp->info_flags = 0; sp->private_data = itvsc; strscpy(sp->name, itv->card_name, sizeof(sp->name)); -- 2.16.4 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next prev parent reply other threads:[~2019-12-10 13:59 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-10 13:58 [PATCH for-5.6 00/14] media: ALSA PCM API updates Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 01/14] media: solo6x10: Use managed buffer allocation Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-16 23:42 ` Ismael Luceno 2019-12-16 23:42 ` [alsa-devel] " Ismael Luceno 2019-12-10 13:58 ` [PATCH for-5.6 02/14] media: tw686x: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 03/14] media: usbtv: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 04/14] media: cobalt: Clean up ALSA PCM API usages Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 05/14] media: cx18: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` Takashi Iwai [this message] 2019-12-10 13:58 ` [alsa-devel] [PATCH for-5.6 06/14] media: ivtv: " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 07/14] media: cs231xx: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 08/14] media: em28xx: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 09/14] media: go7007: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 10/14] media: tm6000: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 11/14] media: cobalt: Drop superfluous ioctl PCM ops Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 12/14] media: cx18: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 13/14] media: ivtv: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 14/14] media: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-16 23:43 ` Ismael Luceno 2019-12-16 23:43 ` [alsa-devel] " Ismael Luceno
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20191210135849.15607-7-tiwai@suse.de \ --to=tiwai@suse.de \ --cc=alsa-devel@alsa-project.org \ --cc=awalls@md.metrocast.net \ --cc=linux-media@vger.kernel.org \ --cc=mchehab@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.