diff options
| author | Angel Pons <th3fanbus@gmail.com> | 2021-03-18 16:00:14 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-03-24 07:55:03 +0000 |
| commit | 5d31dfa8df50dc6020a145f7c5123d93538167cc (patch) | |
| tree | 740e5a54b25ef229a8263df681dcca22cae6050f /src | |
| parent | 6da78660d055e7fdd7af07e824433921b500437b (diff) | |
device/azalia_device.c: Introduce AZALIA_MAX_CODECS
Add the AZALIA_MAX_CODECS Kconfig option and use it.
Change-Id: Ibb10c2f2992257bc261e6cb35f11cc4b2d956054
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51640
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/device/Kconfig | 8 | ||||
| -rw-r--r-- | src/device/azalia_device.c | 7 |
2 files changed, 12 insertions, 3 deletions
diff --git a/src/device/Kconfig b/src/device/Kconfig index 8dc9ecdff9..1bfc34a982 100644 --- a/src/device/Kconfig +++ b/src/device/Kconfig @@ -519,6 +519,14 @@ config AZALIA_PLUGIN_SUPPORT bool default n +config AZALIA_MAX_CODECS + int + depends on AZALIA_PLUGIN_SUPPORT + default 3 + range 1 15 + help + The maximum number of codecs supported on a single HD Audio controller. + config PCIEXP_PLUGIN_SUPPORT bool default y diff --git a/src/device/azalia_device.c b/src/device/azalia_device.c index 1048804add..ad0858affa 100644 --- a/src/device/azalia_device.c +++ b/src/device/azalia_device.c @@ -50,6 +50,7 @@ int azalia_exit_reset(u8 *base) static u16 codec_detect(u8 *base) { struct stopwatch sw; + const u16 codec_mask = (1 << CONFIG_AZALIA_MAX_CODECS) - 1; u16 reg16; if (azalia_exit_reset(base) < 0) @@ -57,7 +58,7 @@ static u16 codec_detect(u8 *base) /* clear STATESTS bits (BAR + 0xe)[2:0] */ reg16 = read16(base + HDA_STATESTS_REG); - reg16 |= 7; + reg16 |= codec_mask; write16(base + HDA_STATESTS_REG, reg16); /* Wait for readback of register to @@ -82,7 +83,7 @@ static u16 codec_detect(u8 *base) /* Read in Codec location (BAR + 0xe)[2..0] */ reg16 = read16(base + HDA_STATESTS_REG); - reg16 &= 0x0f; + reg16 &= codec_mask; if (!reg16) goto no_codec; @@ -265,7 +266,7 @@ static void codecs_init(struct device *dev, u8 *base, u16 codec_mask) { int i; - for (i = 2; i >= 0; i--) { + for (i = CONFIG_AZALIA_MAX_CODECS - 1; i >= 0; i--) { if (codec_mask & (1 << i)) codec_init(dev, base, i); } |