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ASoC: stm32: sai: manage identification registers

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Add support of identification registers in STM32 SAI.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Olivier Moysan
2019-06-03 10:16:34 +02:00
committed by Mark Brown
parent 970c43d178
commit 1d9c95c189
3 changed files with 88 additions and 24 deletions
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14
sound/soc/stm/stm32_sai_sub.c
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@@ -45,7 +45,6 @@
#define SAI_DATASIZE_24 0x6
#define SAI_DATASIZE_32 0x7
#define STM_SAI_FIFO_SIZE 8
#define STM_SAI_DAI_NAME_SIZE 15
#define STM_SAI_IS_PLAYBACK(ip) ((ip)->dir == SNDRV_PCM_STREAM_PLAYBACK)
@@ -63,7 +62,8 @@
#define SAI_SYNC_EXTERNAL 0x2
#define STM_SAI_PROTOCOL_IS_SPDIF(ip) ((ip)->spdif)
#define STM_SAI_HAS_SPDIF(x) ((x)->pdata->conf->has_spdif)
#define STM_SAI_HAS_SPDIF(x) ((x)->pdata->conf.has_spdif_pdm)
#define STM_SAI_HAS_PDM(x) ((x)->pdata->conf.has_spdif_pdm)
#define STM_SAI_HAS_EXT_SYNC(x) (!STM_SAI_IS_F4(sai->pdata))
#define SAI_IEC60958_BLOCK_FRAMES 192
@@ -274,7 +274,7 @@ static int stm32_sai_get_clk_div(struct stm32_sai_sub_data *sai,
unsigned long input_rate,
unsigned long output_rate)
{
int version = sai->pdata->conf->version;
int version = sai->pdata->conf.version;
int div;
div = DIV_ROUND_CLOSEST(input_rate, output_rate);
@@ -295,7 +295,7 @@ static int stm32_sai_get_clk_div(struct stm32_sai_sub_data *sai,
static int stm32_sai_set_clk_div(struct stm32_sai_sub_data *sai,
unsigned int div)
{
int version = sai->pdata->conf->version;
int version = sai->pdata->conf.version;
int ret, cr1, mask;
if (div > SAI_XCR1_MCKDIV_MAX(version)) {
@@ -1148,6 +1148,8 @@ static int stm32_sai_dai_probe(struct snd_soc_dai *cpu_dai)
* constraints).
*/
sai->dma_params.maxburst = 4;
if (sai->pdata->conf.fifo_size < 8)
sai->dma_params.maxburst = 1;
/* Buswidth will be set by framework at runtime */
sai->dma_params.addr_width = DMA_SLAVE_BUSWIDTH_UNDEFINED;
@@ -1315,8 +1317,8 @@ static int stm32_sai_sub_parse_of(struct platform_device *pdev,
sai->phys_addr = res->start;
sai->regmap_config = &stm32_sai_sub_regmap_config_f4;
/* Note: PDM registers not available for H7 sub-block B */
if (STM_SAI_IS_H7(sai->pdata) && STM_SAI_IS_SUB_A(sai))
/* Note: PDM registers not available for sub-block B */
if (STM_SAI_HAS_PDM(sai) && STM_SAI_IS_SUB_A(sai))
sai->regmap_config = &stm32_sai_sub_regmap_config_h7;
sai->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "sai_ck",