static int nxp_spdif_set_plat_param(struct nxp_spdif_snd_param *par, void *data)
{
struct platform_device *pdev = data;
struct nxp_spdif_plat_data *plat = pdev->dev.platform_data;
struct nxp_pcm_dma_param *dma = &par->dma;
unsigned int phy_base = SPDIF_BASEADDR;
par->sample_rate = plat->sample_rate ? plat->sample_rate : DEF_SAMPLE_RATE;
par->base_addr = IO_ADDRESS(phy_base);
spin_lock_init(&par->lock);
if (!plat->dma_ch)
return -EINVAL;
dma->active = true;
dma->dma_filter = plat->dma_filter;
dma->dma_ch_name = (char*)(plat->dma_ch);
dma->peri_addr = phy_base + SPDIF_DAT_OFFSET; /* SPDIF DAT */
dma->bus_width_byte = SPDIF_BUS_WIDTH;
dma->max_burst_byte = SPDIF_MAX_BURST;
pr_debug("spdif-rx: %s, %s dma, addr 0x%x, bus %dbyte, burst %dbyte\n",
STREAM_STR(1), dma->dma_ch_name, dma->peri_addr,
dma->bus_width_byte, dma->max_burst_byte);
return nxp_spdif_check_param(par);
}
static int nxp_pdm_set_plat_param(struct nxp_pdm_snd_param *par, void *data)
{
struct platform_device *pdev = data;
struct nxp_pdm_plat_data *plat = pdev->dev.platform_data;
struct nxp_pcm_dma_param *dma = &par->dma;
unsigned int phy_base = PDM_BASEADDR;
int ret = 0;
par->sample_rate = plat->sample_rate ? plat->sample_rate : DEF_SAMPLE_RATE;
par->base_addr = IO_ADDRESS(phy_base);
spin_lock_init(&par->lock);
if (!plat->dma_ch)
return -EINVAL;
dma->active = true;
dma->dma_filter = plat->dma_filter;
dma->dma_ch_name = (char*)(plat->dma_ch);
dma->peri_addr = phy_base + PDM_DATA_OFFSET; /* PDM DAT */
dma->bus_width_byte = PDM_BUS_WIDTH;
dma->max_burst_byte = PDM_MAX_BURST;
pr_debug("pdm-rec: %s, %s dma, addr 0x%x, bus %dbyte, burst %dbyte\n",
STREAM_STR(1), dma->dma_ch_name, dma->peri_addr,
dma->bus_width_byte, dma->max_burst_byte);
par->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(par->clk)) {
ret = PTR_ERR(par->clk);
return ret;
}
return nxp_pdm_check_param(par);
}
static int nxp_spdif_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
struct nxp_spdif_snd_param *par = snd_soc_dai_get_drvdata(dai);
int stream = substream->stream;
pr_debug("%s: %s cmd=%d\n", __func__, STREAM_STR(stream), cmd);
switch (cmd) {
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_START:
spdif_start(par, stream);
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_STOP:
spdif_stop(par, stream);
break;
default:
return -EINVAL;
}
return 0;
}
