sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

soc/amd/picasso: Add audio processor

Browse Source 
Add a driver that can properly configure the pads needed to run the
correct audio mode.  I2S requires the 48M oscillator enabled
regardless of an external connection.

Change-Id: I1137eae91aa28640ca3e9e2b2c58beed2cdb7e3c
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36117
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Marshall Dawson
2019-08-16 08:45:20 -06:00
committed by Martin Roth
parent dd321038ac
commit 3edc9e24c3
4 changed files with 84 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/soc/amd/picasso/chip.h
View File

@@ -36,6 +36,14 @@ struct soc_amd_picasso_config {
*/
u8 i2c_scl_reset;
struct dw_i2c_bus_config i2c[PICASSO_I2C_DEV_MAX];
enum {
I2S_PINS_MAX_HDA = 0, /* HDA w/reset 3xSDI, SW w/Data0 */
I2S_PINS_MAX_MHDA = 1, /* HDA no reset 3xSDI, SW w/Data0-1 */
I2S_PINS_MIN_HDA = 2, /* HDA w/reset 1xSDI, SW w/Data0-2 */
I2S_PINS_MIN_MHDA = 3, /* HDA no reset 1xSDI, SW w/Data0-3 */
I2S_PINS_I2S_TDM = 4,
I2S_PINS_UNCONF = 7, /* All pads will be input mode */
} acp_pin_cfg;
};
typedef struct soc_amd_picasso_config config_t;