diff options
| author | Ajit Kumar Pandey <AjitKumar.Pandey@amd.com> | 2022-01-17 14:58:51 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-01-28 18:59:31 +0300 |
| commit | 5a9f07a41522e1d16f2a43b1843e266434df0866 (patch) | |
| tree | 0941fbb83aa991f13cb74609f1f4347863735293 /sound/soc/amd/acp/amd.h | |
| parent | def6dc25070342be2eb220cb1650a286ee29734d (diff) | |
| download | linux-5a9f07a41522e1d16f2a43b1843e266434df0866.tar.xz | |
ASoC: amd: acp: Add generic PCI driver module for ACP device
Audio Co-processor or ACP IP block on AMD's SOC is connected via
PCI bus interface, hence needs to be register as a PCI device. We
have same PCI device ID across multiple SOC's but with different
revision id for PCI hw. Add a generic PCI driver module for ACP
that registers ACP as a PCI device and also register a platform
device based on pci revision id. Any SOC's specific configuration
for ACP block will be done in platform driver probe. We have added
an initial support for ACP revision id 3 or ACP3X device.
Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
Link: https://lore.kernel.org/r/20220117115854.455995-4-AjitKumar.Pandey@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd/acp/amd.h')
| -rw-r--r-- | sound/soc/amd/acp/amd.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/amd/acp/amd.h b/sound/soc/amd/acp/amd.h index 567355209a5c..8fd38bf4d3bd 100644 --- a/sound/soc/amd/acp/amd.h +++ b/sound/soc/amd/acp/amd.h @@ -12,9 +12,14 @@ #define __AMD_ACP_H #include <sound/pcm.h> +#include <sound/soc.h> #include <sound/soc-acpi.h> +#include <sound/soc-dai.h> + #include "chip_offset_byte.h" +#define ACP3X_DEV 3 + #define I2S_SP_INSTANCE 0x00 #define I2S_BT_INSTANCE 0x01 #define DMIC_INSTANCE 0x02 @@ -70,6 +75,12 @@ #define ACP_MAX_STREAM 6 +struct acp_chip_info { + char *name; /* Platform name */ + unsigned int acp_rev; /* ACP Revision id */ + void __iomem *base; /* ACP memory PCI base */ +}; + struct acp_stream { struct snd_pcm_substream *substream; int irq_bit; @@ -106,6 +117,9 @@ int acp_platform_unregister(struct device *dev); int acp_machine_select(struct acp_dev_data *adata); +/* Machine configuration */ +int snd_amd_acp_find_config(struct pci_dev *pci); + static inline u64 acp_get_byte_count(struct acp_dev_data *adata, int dai_id, int direction) { u64 byte_count, low = 0, high = 0; |