diff options
| -rw-r--r-- | sound/soc/meson/axg-fifo.c | 34 | ||||
| -rw-r--r-- | sound/soc/meson/axg-fifo.h | 2 |
2 files changed, 33 insertions, 3 deletions
diff --git a/sound/soc/meson/axg-fifo.c b/sound/soc/meson/axg-fifo.c index 75e5e480fda2..01c1c7db2510 100644 --- a/sound/soc/meson/axg-fifo.c +++ b/sound/soc/meson/axg-fifo.c @@ -19,7 +19,7 @@ * This file implements the platform operations common to the playback and * capture frontend DAI. The logic behind this two types of fifo is very * similar but some difference exist. - * These differences the respective DAI drivers + * These differences are handled in the respective DAI drivers */ static struct snd_pcm_hardware axg_fifo_hw = { @@ -133,6 +133,23 @@ static int axg_fifo_pcm_hw_params(struct snd_pcm_substream *ss, return 0; } +static int g12a_fifo_pcm_hw_params(struct snd_pcm_substream *ss, + struct snd_pcm_hw_params *params) +{ + struct axg_fifo *fifo = axg_fifo_data(ss); + struct snd_pcm_runtime *runtime = ss->runtime; + int ret; + + ret = axg_fifo_pcm_hw_params(ss, params); + if (ret) + return ret; + + /* Set the initial memory address of the DMA */ + regmap_write(fifo->map, FIFO_INIT_ADDR, runtime->dma_addr); + + return 0; +} + static int axg_fifo_pcm_hw_free(struct snd_pcm_substream *ss) { struct axg_fifo *fifo = axg_fifo_data(ss); @@ -262,6 +279,17 @@ const struct snd_pcm_ops axg_fifo_pcm_ops = { }; EXPORT_SYMBOL_GPL(axg_fifo_pcm_ops); +const struct snd_pcm_ops g12a_fifo_pcm_ops = { + .open = axg_fifo_pcm_open, + .close = axg_fifo_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = g12a_fifo_pcm_hw_params, + .hw_free = axg_fifo_pcm_hw_free, + .pointer = axg_fifo_pcm_pointer, + .trigger = axg_fifo_pcm_trigger, +}; +EXPORT_SYMBOL_GPL(g12a_fifo_pcm_ops); + int axg_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd, unsigned int type) { struct snd_card *card = rtd->card->snd_card; @@ -278,7 +306,7 @@ static const struct regmap_config axg_fifo_regmap_cfg = { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, - .max_register = FIFO_STATUS2, + .max_register = FIFO_INIT_ADDR, }; int axg_fifo_probe(struct platform_device *pdev) @@ -339,6 +367,6 @@ int axg_fifo_probe(struct platform_device *pdev) } EXPORT_SYMBOL_GPL(axg_fifo_probe); -MODULE_DESCRIPTION("Amlogic AXG fifo driver"); +MODULE_DESCRIPTION("Amlogic AXG/G12A fifo driver"); MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>"); MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/meson/axg-fifo.h b/sound/soc/meson/axg-fifo.h index d9f516cfbeda..5caf81241dfe 100644 --- a/sound/soc/meson/axg-fifo.h +++ b/sound/soc/meson/axg-fifo.h @@ -60,6 +60,7 @@ struct snd_soc_pcm_runtime; #define FIFO_STATUS1 0x14 #define STATUS1_INT_STS(x) ((x) << 0) #define FIFO_STATUS2 0x18 +#define FIFO_INIT_ADDR 0x24 struct axg_fifo { struct regmap *map; @@ -74,6 +75,7 @@ struct axg_fifo_match_data { }; extern const struct snd_pcm_ops axg_fifo_pcm_ops; +extern const struct snd_pcm_ops g12a_fifo_pcm_ops; int axg_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd, unsigned int type); int axg_fifo_probe(struct platform_device *pdev); |