static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
{
int i;
for (i = 0; i < LPAIF_I2S_PORT_NUM; ++i)
if (reg == LPAIF_I2SCTL_REG(i))
return true;
for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i) {
if (reg == LPAIF_IRQEN_REG(i))
return true;
if (reg == LPAIF_IRQSTAT_REG(i))
return true;
}
for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i) {
if (reg == LPAIF_RDMACTL_REG(i))
return true;
if (reg == LPAIF_RDMABASE_REG(i))
return true;
if (reg == LPAIF_RDMABUFF_REG(i))
return true;
if (reg == LPAIF_RDMACURR_REG(i))
return true;
if (reg == LPAIF_RDMAPER_REG(i))
return true;
}
return false;
}
static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
{
struct lpass_data *drvdata = dev_get_drvdata(dev);
struct lpass_variant *v = drvdata->variant;
int i;
for (i = 0; i < v->i2s_ports; ++i)
if (reg == LPAIF_I2SCTL_REG(v, i))
return true;
for (i = 0; i < v->irq_ports; ++i) {
if (reg == LPAIF_IRQEN_REG(v, i))
return true;
if (reg == LPAIF_IRQSTAT_REG(v, i))
return true;
}
for (i = 0; i < v->rdma_channels; ++i) {
if (reg == LPAIF_RDMACTL_REG(v, i))
return true;
if (reg == LPAIF_RDMABASE_REG(v, i))
return true;
if (reg == LPAIF_RDMABUFF_REG(v, i))
return true;
if (reg == LPAIF_RDMACURR_REG(v, i))
return true;
if (reg == LPAIF_RDMAPER_REG(v, i))
return true;
}
return false;
}
static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
unsigned int base_addr, curr_addr;
int ret;
ret = regmap_read(drvdata->lpaif_map,
LPAIF_RDMABASE_REG(LPAIF_RDMA_CHAN_MI2S), &base_addr);
if (ret) {
dev_err(soc_runtime->dev, "%s() error reading from rdmabase reg: %d\n",
__func__, ret);
return ret;
}
ret = regmap_read(drvdata->lpaif_map,
LPAIF_RDMACURR_REG(LPAIF_RDMA_CHAN_MI2S), &curr_addr);
if (ret) {
dev_err(soc_runtime->dev, "%s() error reading from rdmacurr reg: %d\n",
__func__, ret);
return ret;
}
return bytes_to_frames(substream->runtime, curr_addr - base_addr);
}
static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg)
{
int i;
for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i)
if (reg == LPAIF_IRQSTAT_REG(i))
return true;
for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i)
if (reg == LPAIF_RDMACURR_REG(i))
return true;
return false;
}
static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg)
{
struct lpass_data *drvdata = dev_get_drvdata(dev);
struct lpass_variant *v = drvdata->variant;
int i;
for (i = 0; i < v->irq_ports; ++i)
if (reg == LPAIF_IRQSTAT_REG(v, i))
return true;
for (i = 0; i < v->rdma_channels; ++i)
if (reg == LPAIF_RDMACURR_REG(v, i))
return true;
return false;
}