diff options
| -rw-r--r-- | sound/soc/amd/acp-pcm-dma.c | 79 |
1 files changed, 55 insertions, 24 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index dcbf9973884d..f00b6b92e076 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -20,7 +20,7 @@ #include <linux/pm_runtime.h> #include <sound/soc.h> - +#include <drm/amd_asic_type.h> #include "acp.h" #define PLAYBACK_MIN_NUM_PERIODS 2 @@ -419,7 +419,7 @@ static void acp_set_sram_bank_state(void __iomem *acp_mmio, u16 bank, } /* Initialize and bring ACP hardware to default state. */ -static int acp_init(void __iomem *acp_mmio) +static int acp_init(void __iomem *acp_mmio, u32 asic_type) { u16 bank; u32 val, count, sram_pte_offset; @@ -493,9 +493,14 @@ static int acp_init(void __iomem *acp_mmio) /* When ACP_TILE_P1 is turned on, all SRAM banks get turned on. * Now, turn off all of them. This can't be done in 'poweron' of * ACP pm domain, as this requires ACP to be initialized. + * For Stoney, Memory gating is disabled,i.e SRAM Banks + * won't be turned off. The default state for SRAM banks is ON. + * Setting SRAM bank state code skipped for STONEY platform. */ - for (bank = 1; bank < 48; bank++) - acp_set_sram_bank_state(acp_mmio, bank, false); + if (asic_type != CHIP_STONEY) { + for (bank = 1; bank < 48; bank++) + acp_set_sram_bank_state(acp_mmio, bank, false); + } return 0; } @@ -646,14 +651,22 @@ static int acp_dma_open(struct snd_pcm_substream *substream) if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { intr_data->play_stream = substream; - for (bank = 1; bank <= 4; bank++) - acp_set_sram_bank_state(intr_data->acp_mmio, bank, - true); + /* For Stoney, Memory gating is disabled,i.e SRAM Banks + * won't be turned off. The default state for SRAM banks is ON. + * Setting SRAM bank state code skipped for STONEY platform. + */ + if (intr_data->asic_type != CHIP_STONEY) { + for (bank = 1; bank <= 4; bank++) + acp_set_sram_bank_state(intr_data->acp_mmio, + bank, true); + } } else { intr_data->capture_stream = substream; - for (bank = 5; bank <= 8; bank++) - acp_set_sram_bank_state(intr_data->acp_mmio, bank, - true); + if (intr_data->asic_type != CHIP_STONEY) { + for (bank = 5; bank <= 8; bank++) + acp_set_sram_bank_state(intr_data->acp_mmio, + bank, true); + } } return 0; @@ -869,14 +882,23 @@ static int acp_dma_close(struct snd_pcm_substream *substream) if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { adata->play_stream = NULL; - for (bank = 1; bank <= 4; bank++) - acp_set_sram_bank_state(adata->acp_mmio, bank, - false); - } else { + /* For Stoney, Memory gating is disabled,i.e SRAM Banks + * won't be turned off. The default state for SRAM banks is ON. + * Setting SRAM bank state code skipped for STONEY platform. + * added condition checks for Carrizo platform only + */ + if (adata->asic_type != CHIP_STONEY) { + for (bank = 1; bank <= 4; bank++) + acp_set_sram_bank_state(adata->acp_mmio, bank, + false); + } + } else { adata->capture_stream = NULL; - for (bank = 5; bank <= 8; bank++) - acp_set_sram_bank_state(adata->acp_mmio, bank, - false); + if (adata->asic_type != CHIP_STONEY) { + for (bank = 5; bank <= 8; bank++) + acp_set_sram_bank_state(adata->acp_mmio, bank, + false); + } } /* Disable ACP irq, when the current stream is being closed and @@ -945,7 +967,7 @@ static int acp_audio_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, audio_drv_data); /* Initialize the ACP */ - acp_init(audio_drv_data->acp_mmio); + acp_init(audio_drv_data->acp_mmio, audio_drv_data->asic_type); status = snd_soc_register_platform(&pdev->dev, &acp_asoc_platform); if (status != 0) { @@ -976,19 +998,27 @@ static int acp_pcm_resume(struct device *dev) u16 bank; struct audio_drv_data *adata = dev_get_drvdata(dev); - acp_init(adata->acp_mmio); + acp_init(adata->acp_mmio, adata->asic_type); if (adata->play_stream && adata->play_stream->runtime) { - for (bank = 1; bank <= 4; bank++) - acp_set_sram_bank_state(adata->acp_mmio, bank, + /* For Stoney, Memory gating is disabled,i.e SRAM Banks + * won't be turned off. The default state for SRAM banks is ON. + * Setting SRAM bank state code skipped for STONEY platform. + */ + if (adata->asic_type != CHIP_STONEY) { + for (bank = 1; bank <= 4; bank++) + acp_set_sram_bank_state(adata->acp_mmio, bank, true); + } config_acp_dma(adata->acp_mmio, adata->play_stream->runtime->private_data); } if (adata->capture_stream && adata->capture_stream->runtime) { - for (bank = 5; bank <= 8; bank++) - acp_set_sram_bank_state(adata->acp_mmio, bank, + if (adata->asic_type != CHIP_STONEY) { + for (bank = 5; bank <= 8; bank++) + acp_set_sram_bank_state(adata->acp_mmio, bank, true); + } config_acp_dma(adata->acp_mmio, adata->capture_stream->runtime->private_data); } @@ -1009,7 +1039,7 @@ static int acp_pcm_runtime_resume(struct device *dev) { struct audio_drv_data *adata = dev_get_drvdata(dev); - acp_init(adata->acp_mmio); + acp_init(adata->acp_mmio, adata->asic_type); acp_reg_write(1, adata->acp_mmio, mmACP_EXTERNAL_INTR_ENB); return 0; } @@ -1031,6 +1061,7 @@ static struct platform_driver acp_dma_driver = { module_platform_driver(acp_dma_driver); +MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); MODULE_AUTHOR("Maruthi.Bayyavarapu@amd.com"); MODULE_DESCRIPTION("AMD ACP PCM Driver"); MODULE_LICENSE("GPL v2"); |