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ASoC: SOF: ops: add readb/writeb helpers

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These will be used to add more consistency in the SOF core and
drivers.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20221024165310.246183-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2022-10-24 11:52:57 -05:00 committed by Mark Brown
parent 42b00e9da5
commit 74fe0c4dcb
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GPG Key ID: 24D68B725D5487D0
2 changed files with 22 additions and 0 deletions
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18
sound/soc/sof/ops.h
View File

@ -302,6 +302,15 @@ static inline int snd_sof_debugfs_add_region_item(struct snd_sof_dev *sdev,
}
/* register IO */
static inline void snd_sof_dsp_writeb(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u8 value)
{
if (sof_ops(sdev)->writeb)
sof_ops(sdev)->writeb(sdev, sdev->bar[bar] + offset, value);
else
writeb(value, sdev->bar[bar] + offset);
}
static inline void snd_sof_dsp_write(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u32 value)
{
@ -320,6 +329,15 @@ static inline void snd_sof_dsp_write64(struct snd_sof_dev *sdev, u32 bar,
writeq(value, sdev->bar[bar] + offset);
}
static inline u8 snd_sof_dsp_readb(struct snd_sof_dev *sdev, u32 bar,
u32 offset)
{
if (sof_ops(sdev)->readb)
return sof_ops(sdev)->readb(sdev, sdev->bar[bar] + offset);
else
return readb(sdev->bar[bar] + offset);
}
static inline u32 snd_sof_dsp_read(struct snd_sof_dev *sdev, u32 bar,
u32 offset)
{

4
sound/soc/sof/sof-priv.h
View File

@ -171,6 +171,10 @@ struct snd_sof_dsp_ops {
* TODO: consider removing these operations and calling respective
* implementations directly
*/
void (*writeb)(struct snd_sof_dev *sof_dev, void __iomem *addr,
u8 value); /* optional */
u8 (*readb)(struct snd_sof_dev *sof_dev,
void __iomem *addr); /* optional */
void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr,
u32 value); /* optional */
u32 (*read)(struct snd_sof_dev *sof_dev,