diff options
Diffstat (limited to 'sound/soc/stm/stm32_sai_sub.c')
| -rw-r--r-- | sound/soc/stm/stm32_sai_sub.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c index 2a74ce7c9440..d7501f88aaa6 100644 --- a/sound/soc/stm/stm32_sai_sub.c +++ b/sound/soc/stm/stm32_sai_sub.c @@ -1,19 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * STM32 ALSA SoC Digital Audio Interface (SAI) driver. * * Copyright (C) 2016, STMicroelectronics - All Rights Reserved * Author(s): Olivier Moysan <olivier.moysan@st.com> for STMicroelectronics. - * - * License terms: GPL V2.0. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more - * details. */ #include <linux/clk.h> @@ -45,7 +35,6 @@ #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 +52,8 @@ #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 +264,7 @@ 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 +285,7 @@ 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 +1138,8 @@ 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 +1307,8 @@ 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", |