diff options
Diffstat (limited to 'drivers/media/pci/tw686x/tw686x-audio.c')
| -rw-r--r-- | drivers/media/pci/tw686x/tw686x-audio.c | 39 |
1 files changed, 12 insertions, 27 deletions
diff --git a/drivers/media/pci/tw686x/tw686x-audio.c b/drivers/media/pci/tw686x/tw686x-audio.c index a28329698e20..1ae3845b6743 100644 --- a/drivers/media/pci/tw686x/tw686x-audio.c +++ b/drivers/media/pci/tw686x/tw686x-audio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015 VanguardiaSur - www.vanguardiasur.com.ar * @@ -7,10 +8,6 @@ * Based on: * Driver for Intersil|Techwell TW6869 based DVR cards * (c) 2011-12 liran <jli11@intersil.com> [Intersil|Techwell China] - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. */ #include <linux/types.h> @@ -62,7 +59,7 @@ void tw686x_audio_irq(struct tw686x_dev *dev, unsigned long requests, } spin_unlock_irqrestore(&ac->lock, flags); - if (!done || !next) + if (!done) continue; /* * Checking for a non-nil dma_desc[pb]->virt buffer is @@ -81,17 +78,6 @@ void tw686x_audio_irq(struct tw686x_dev *dev, unsigned long requests, } } -static int tw686x_pcm_hw_params(struct snd_pcm_substream *ss, - struct snd_pcm_hw_params *hw_params) -{ - return snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw_params)); -} - -static int tw686x_pcm_hw_free(struct snd_pcm_substream *ss) -{ - return snd_pcm_lib_free_pages(ss); -} - /* * Audio parameters are global and shared among all * capture channels. The driver prevents changes to @@ -272,9 +258,6 @@ static snd_pcm_uframes_t tw686x_pcm_pointer(struct snd_pcm_substream *ss) static const struct snd_pcm_ops tw686x_pcm_ops = { .open = tw686x_pcm_open, .close = tw686x_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = tw686x_pcm_hw_params, - .hw_free = tw686x_pcm_hw_free, .prepare = tw686x_pcm_prepare, .trigger = tw686x_pcm_trigger, .pointer = tw686x_pcm_pointer, @@ -301,11 +284,12 @@ static int tw686x_snd_pcm_init(struct tw686x_dev *dev) ss; ss = ss->next, i++) snprintf(ss->name, sizeof(ss->name), "vch%u audio", i); - return snd_pcm_lib_preallocate_pages_for_all(pcm, + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data(dev->pci_dev), + &dev->pci_dev->dev, TW686X_AUDIO_PAGE_MAX * AUDIO_DMA_SIZE_MAX, TW686X_AUDIO_PAGE_MAX * AUDIO_DMA_SIZE_MAX); + return 0; } static void tw686x_audio_dma_free(struct tw686x_dev *dev, @@ -316,9 +300,9 @@ static void tw686x_audio_dma_free(struct tw686x_dev *dev, for (pb = 0; pb < 2; pb++) { if (!ac->dma_descs[pb].virt) continue; - pci_free_consistent(dev->pci_dev, ac->dma_descs[pb].size, - ac->dma_descs[pb].virt, - ac->dma_descs[pb].phys); + dma_free_coherent(&dev->pci_dev->dev, ac->dma_descs[pb].size, + ac->dma_descs[pb].virt, + ac->dma_descs[pb].phys); ac->dma_descs[pb].virt = NULL; } } @@ -329,7 +313,7 @@ static int tw686x_audio_dma_alloc(struct tw686x_dev *dev, int pb; /* - * In the memcpy DMA mode we allocate a consistent buffer + * In the memcpy DMA mode we allocate a coherent buffer * and use it for the DMA capture. Otherwise, DMA * acts on the ALSA buffers as received in pcm_prepare. */ @@ -340,8 +324,9 @@ static int tw686x_audio_dma_alloc(struct tw686x_dev *dev, u32 reg = pb ? ADMA_B_ADDR[ac->ch] : ADMA_P_ADDR[ac->ch]; void *virt; - virt = pci_alloc_consistent(dev->pci_dev, AUDIO_DMA_SIZE_MAX, - &ac->dma_descs[pb].phys); + virt = dma_alloc_coherent(&dev->pci_dev->dev, + AUDIO_DMA_SIZE_MAX, + &ac->dma_descs[pb].phys, GFP_KERNEL); if (!virt) { dev_err(&dev->pci_dev->dev, "dma%d: unable to allocate audio DMA %s-buffer\n", |