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device/azalia_device: Add function to program a verb table 

On some boards, Azalia configuration depends on config settings that are
not known at compile-time. Expose a function to program a verb table, to
be used in subsequent commits.

Change-Id: Ie9607f6e733df66f0ca26a4bb70e0864ce1d4512
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50387
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
This commit is contained in:
Angel Pons 2021-02-08 12:37:56 +01:00 committed by Patrick Georgi
parent 2e77443e47
commit 44c431e161
2 changed files with 24 additions and 10 deletions
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33
src/device/azalia_device.c
View File

@ -188,12 +188,33 @@ static int wait_for_valid(u8 *base)
return -1;
}
static int azalia_write_verb(u8 *base, u32 verb)
{
if (wait_for_ready(base) < 0)
return -1;
write32(base + HDA_IC_REG, verb);
return wait_for_valid(base);
}
int azalia_program_verb_table(u8 *base, const u32 *verbs, u32 verb_size)
{
if (!verbs)
return 0;
for (u32 i = 0; i < verb_size; i++) {
if (azalia_write_verb(base, verbs[i]) < 0)
return -1;
}
return 0;
}
static void codec_init(struct device *dev, u8 *base, int addr)
{
u32 reg32;
const u32 *verb;
u32 verb_size;
int i;
printk(BIOS_DEBUG, "azalia_audio: Initializing codec #%d\n", addr);
@ -223,15 +244,7 @@ static void codec_init(struct device *dev, u8 *base, int addr)
printk(BIOS_DEBUG, "azalia_audio: verb_size: %u\n", verb_size);
/* 3 */
for (i = 0; i < verb_size; i++) {
if (wait_for_ready(base) < 0)
return;
write32(base + HDA_IC_REG, verb[i]);
if (wait_for_valid(base) < 0)
return;
}
azalia_program_verb_table(base, verb, verb_size);
printk(BIOS_DEBUG, "azalia_audio: verb loaded.\n");
}

1
src/include/device/azalia_device.h
View File

@ -22,6 +22,7 @@ int azalia_set_bits(void *port, u32 mask, u32 val);
int azalia_enter_reset(u8 *base);
int azalia_exit_reset(u8 *base);
u32 azalia_find_verb(const u32 *verb_table, u32 verb_table_bytes, u32 viddid, const u32 **verb);
int azalia_program_verb_table(u8 *base, const u32 *verbs, u32 verb_size);
void azalia_audio_init(struct device *dev);
extern struct device_operations default_azalia_audio_ops;