^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/dmaengine.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/dma/pxa-dma.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <sound/pcm_params.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <sound/pxa2xx-lib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sound/dmaengine_pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static const struct snd_pcm_hardware pxa2xx_pcm_hardware = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) .info = SNDRV_PCM_INFO_MMAP |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) SNDRV_PCM_INFO_MMAP_VALID |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) SNDRV_PCM_INFO_INTERLEAVED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) SNDRV_PCM_INFO_PAUSE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) SNDRV_PCM_INFO_RESUME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) .formats = SNDRV_PCM_FMTBIT_S16_LE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) SNDRV_PCM_FMTBIT_S24_LE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) SNDRV_PCM_FMTBIT_S32_LE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) .period_bytes_min = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) .period_bytes_max = 8192 - 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) .periods_min = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) .periods_max = 256,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) .buffer_bytes_max = 128 * 1024,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) .fifo_size = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct snd_soc_pcm_runtime *rtd = substream->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct snd_dmaengine_dai_dma_data *dma_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct dma_slave_config config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) dma_params = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (!dma_params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) ret = snd_hwparams_to_dma_slave_config(substream, params, &config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) snd_dmaengine_pcm_set_config_from_dai_data(substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) &config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) ret = dmaengine_slave_config(chan, &config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) EXPORT_SYMBOL(pxa2xx_pcm_hw_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) snd_pcm_set_runtime_buffer(substream, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) EXPORT_SYMBOL(pxa2xx_pcm_hw_free);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) return snd_dmaengine_pcm_trigger(substream, cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) EXPORT_SYMBOL(pxa2xx_pcm_trigger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) snd_pcm_uframes_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) pxa2xx_pcm_pointer(struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return snd_dmaengine_pcm_pointer(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) EXPORT_SYMBOL(pxa2xx_pcm_pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) EXPORT_SYMBOL(pxa2xx_pcm_prepare);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int pxa2xx_pcm_open(struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct snd_soc_pcm_runtime *rtd = substream->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct snd_pcm_runtime *runtime = substream->runtime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) struct snd_dmaengine_dai_dma_data *dma_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) runtime->hw = pxa2xx_pcm_hardware;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) dma_params = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (!dma_params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * For mysterious reasons (and despite what the manual says)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * playback samples are lost if the DMA count is not a multiple
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * of the DMA burst size. Let's add a rule to enforce that.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) ret = snd_pcm_hw_constraint_step(runtime, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ret = snd_pcm_hw_constraint_step(runtime, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) ret = snd_pcm_hw_constraint_integer(runtime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) SNDRV_PCM_HW_PARAM_PERIODS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return snd_dmaengine_pcm_open(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) substream, dma_request_slave_channel(asoc_rtd_to_cpu(rtd, 0)->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) dma_params->chan_name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) EXPORT_SYMBOL(pxa2xx_pcm_open);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) int pxa2xx_pcm_close(struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return snd_dmaengine_pcm_close_release_chan(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) EXPORT_SYMBOL(pxa2xx_pcm_close);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct vm_area_struct *vma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct snd_pcm_runtime *runtime = substream->runtime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) return dma_mmap_wc(substream->pcm->card->dev, vma, runtime->dma_area,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) runtime->dma_addr, runtime->dma_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) EXPORT_SYMBOL(pxa2xx_pcm_mmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) struct snd_pcm_substream *substream = pcm->streams[stream].substream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) struct snd_dma_buffer *buf = &substream->dma_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) size_t size = pxa2xx_pcm_hardware.buffer_bytes_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) buf->dev.type = SNDRV_DMA_TYPE_DEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) buf->dev.dev = pcm->card->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) buf->private_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) buf->area = dma_alloc_wc(pcm->card->dev, size, &buf->addr, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (!buf->area)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) buf->bytes = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) EXPORT_SYMBOL(pxa2xx_pcm_preallocate_dma_buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) struct snd_pcm_substream *substream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) struct snd_dma_buffer *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) int stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) for (stream = 0; stream < 2; stream++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) substream = pcm->streams[stream].substream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (!substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) buf = &substream->dma_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) if (!buf->area)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) dma_free_wc(pcm->card->dev, buf->bytes, buf->area, buf->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) buf->area = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) EXPORT_SYMBOL(pxa2xx_pcm_free_dma_buffers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) void pxa2xx_soc_pcm_free(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct snd_pcm *pcm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) pxa2xx_pcm_free_dma_buffers(pcm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) EXPORT_SYMBOL(pxa2xx_soc_pcm_free);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct snd_soc_pcm_runtime *rtd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct snd_card *card = rtd->card->snd_card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct snd_pcm *pcm = rtd->pcm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) SNDRV_PCM_STREAM_PLAYBACK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) SNDRV_PCM_STREAM_CAPTURE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) EXPORT_SYMBOL(pxa2xx_soc_pcm_new);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) int pxa2xx_soc_pcm_open(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return pxa2xx_pcm_open(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) EXPORT_SYMBOL(pxa2xx_soc_pcm_open);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) int pxa2xx_soc_pcm_close(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return pxa2xx_pcm_close(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) EXPORT_SYMBOL(pxa2xx_soc_pcm_close);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) return pxa2xx_pcm_hw_params(substream, params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) EXPORT_SYMBOL(pxa2xx_soc_pcm_hw_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) int pxa2xx_soc_pcm_hw_free(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return pxa2xx_pcm_hw_free(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) EXPORT_SYMBOL(pxa2xx_soc_pcm_hw_free);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) return pxa2xx_pcm_prepare(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) EXPORT_SYMBOL(pxa2xx_soc_pcm_prepare);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) struct snd_pcm_substream *substream, int cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return pxa2xx_pcm_trigger(substream, cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) EXPORT_SYMBOL(pxa2xx_soc_pcm_trigger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) snd_pcm_uframes_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) return pxa2xx_pcm_pointer(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) EXPORT_SYMBOL(pxa2xx_soc_pcm_pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) int pxa2xx_soc_pcm_mmap(struct snd_soc_component *component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) struct vm_area_struct *vma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) return pxa2xx_pcm_mmap(substream, vma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) EXPORT_SYMBOL(pxa2xx_soc_pcm_mmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) MODULE_AUTHOR("Nicolas Pitre");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) MODULE_DESCRIPTION("Intel PXA2xx sound library");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) MODULE_LICENSE("GPL");