diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/device/azalia_device.c | 25 | ||||
| -rw-r--r-- | src/soc/intel/common/hda_verb.c | 47 | ||||
| -rw-r--r-- | src/southbridge/intel/lynxpoint/hda_verb.c | 47 |
3 files changed, 27 insertions, 92 deletions
diff --git a/src/device/azalia_device.c b/src/device/azalia_device.c index 283d2f0fa0..e46c27f7b0 100644 --- a/src/device/azalia_device.c +++ b/src/device/azalia_device.c @@ -85,6 +85,31 @@ no_codec: return 0; } +/* + * Find a specific entry within a verb table + * + * @param verb_table: verb table data + * @param verb_table_bytes: verb table size in bytes + * @param viddid: vendor/device to search for + * @param verb: pointer to entry within table + * + * Returns size of the entry within the verb table, + * Returns 0 if the entry is not found + * + * The HDA verb table is composed of dwords. A set of 4 dwords is + * grouped together to form a "jack" descriptor. + * Bits 31:28 - Codec Address + * Bits 27:20 - NID + * Bits 19:8 - Verb ID + * Bits 7:0 - Payload + * + * coreboot groups different codec verb tables into a single table + * and prefixes each with a specific header consisting of 3 + * dword entries: + * 1 - Codec Vendor/Device ID + * 2 - Subsystem ID + * 3 - Number of jacks (groups of 4 dwords) for this codec + */ u32 azalia_find_verb(const u32 *verb_table, u32 verb_table_bytes, u32 viddid, const u32 **verb) { int idx = 0; diff --git a/src/soc/intel/common/hda_verb.c b/src/soc/intel/common/hda_verb.c index 57104c494e..e812ec5152 100644 --- a/src/soc/intel/common/hda_verb.c +++ b/src/soc/intel/common/hda_verb.c @@ -91,51 +91,6 @@ static int hda_wait_for_valid(u8 *base) return -1; } -/* - * Find a specific entry within a verb table - * - * @param verb_table_bytes: verb table size in bytes - * @param verb_table_data: verb table data - * @param viddid: vendor/device to search for - * @param verb: pointer to entry within table - * - * Returns size of the entry within the verb table, - * Returns 0 if the entry is not found - * - * The HDA verb table is composed of dwords. A set of 4 dwords is - * grouped together to form a "jack" descriptor. - * Bits 31:28 - Codec Address - * Bits 27:20 - NID - * Bits 19:8 - Verb ID - * Bits 7:0 - Payload - * - * coreboot groups different codec verb tables into a single table - * and prefixes each with a specific header consisting of 3 - * dword entries: - * 1 - Codec Vendor/Device ID - * 2 - Subsystem ID - * 3 - Number of jacks (groups of 4 dwords) for this codec - */ -static u32 hda_find_verb(u32 verb_table_bytes, - const u32 *verb_table_data, - u32 viddid, const u32 **verb) -{ - int idx = 0; - - while (idx < (verb_table_bytes / sizeof(u32))) { - u32 verb_size = 4 * verb_table_data[idx+2]; // in u32 - if (verb_table_data[idx] != viddid) { - idx += verb_size + 3; // skip verb + header - continue; - } - *verb = &verb_table_data[idx+3]; - return verb_size; - } - - /* Not all codecs need to load another verb */ - return 0; -} - int hda_codec_write(u8 *base, u32 size, const u32 *data) { int i; @@ -184,7 +139,7 @@ int hda_codec_init(u8 *base, int addr, int verb_size, const u32 *verb_data) reg32 = read32(base + HDA_IR_REG); printk(BIOS_DEBUG, "HDA: codec viddid: %08x\n", reg32); - size = hda_find_verb(verb_size, verb_data, reg32, &verb); + size = azalia_find_verb(verb_data, verb_size, reg32, &verb); if (!size) { printk(BIOS_DEBUG, "HDA: No verb table entry found\n"); return -1; diff --git a/src/southbridge/intel/lynxpoint/hda_verb.c b/src/southbridge/intel/lynxpoint/hda_verb.c index 7c6537d003..9caffedbc8 100644 --- a/src/southbridge/intel/lynxpoint/hda_verb.c +++ b/src/southbridge/intel/lynxpoint/hda_verb.c @@ -79,51 +79,6 @@ static int hda_wait_for_valid(u8 *base) return -1; } -/* - * Find a specific entry within a verb table - * - * @param verb_table_bytes: verb table size in bytes - * @param verb_table_data: verb table data - * @param viddid: vendor/device to search for - * @param **verb: pointer to entry within table - * - * Returns size of the entry within the verb table, - * Returns 0 if the entry is not found - * - * The HDA verb table is composed of dwords. A set of 4 dwords is - * grouped together to form a "jack" descriptor. - * Bits 31:28 - Codec Address - * Bits 27:20 - NID - * Bits 19:8 - Verb ID - * Bits 7:0 - Payload - * - * coreboot groups different codec verb tables into a single table - * and prefixes each with a specific header consisting of 3 - * dword entries: - * 1 - Codec Vendor/Device ID - * 2 - Subsystem ID - * 3 - Number of jacks (groups of 4 dwords) for this codec - */ -static u32 hda_find_verb(u32 verb_table_bytes, - const u32 *verb_table_data, - u32 viddid, const u32 **verb) -{ - int idx = 0; - - while (idx < (verb_table_bytes / sizeof(u32))) { - u32 verb_size = 4 * verb_table_data[idx+2]; // in u32 - if (verb_table_data[idx] != viddid) { - idx += verb_size + 3; // skip verb + header - continue; - } - *verb = &verb_table_data[idx+3]; - return verb_size; - } - - /* Not all codecs need to load another verb */ - return 0; -} - int hda_codec_write(u8 *base, u32 size, const u32 *data) { int i; @@ -172,7 +127,7 @@ int hda_codec_init(u8 *base, int addr, int verb_size, const u32 *verb_data) reg32 = read32(base + HDA_IR_REG); printk(BIOS_DEBUG, "HDA: codec viddid: %08x\n", reg32); - size = hda_find_verb(verb_size, verb_data, reg32, &verb); + size = azalia_find_verb(verb_data, verb_size, reg32, &verb); if (!size) { printk(BIOS_DEBUG, "HDA: No verb table entry found\n"); return -1; |