From f1da909dd4eaf5dfeea33c535a52faaffbf0728b Mon Sep 17 00:00:00 2001 From: Elyes HAOUAS Date: Mon, 3 Aug 2020 15:35:16 +0200 Subject: [PATCH] sb/intel/i82801gx: Use registers Change-Id: I1a5b0b9db0cc3847693934de20b5d27605617637 Signed-off-by: Elyes HAOUAS Reviewed-on: https://review.coreboot.org/c/coreboot/+/44128 Reviewed-by: Angel Pons Tested-by: build bot (Jenkins) --- src/southbridge/intel/i82801gx/azalia.c | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) diff --git a/src/southbridge/intel/i82801gx/azalia.c b/src/southbridge/intel/i82801gx/azalia.c index 8d626acbb7..add906962b 100644 --- a/src/southbridge/intel/i82801gx/azalia.c +++ b/src/southbridge/intel/i82801gx/azalia.c @@ -11,10 +11,6 @@ #include "chip.h" #include "i82801gx.h" -#define HDA_ICII_REG 0x68 -#define HDA_ICII_BUSY (1 << 0) -#define HDA_ICII_VALID (1 << 1) - static int set_bits(void *port, u32 mask, u32 val) { u32 reg32; @@ -47,15 +43,15 @@ static int codec_detect(u8 *base) u32 reg32; /* Set Bit0 to 0 to enter reset state (BAR + 0x8)[0] */ - if (set_bits(base + 0x08, 1, 0) == -1) + if (set_bits(base + HDA_GCTL_REG, 1, 0) == -1) goto no_codec; /* Set Bit 0 to 1 to exit reset state (BAR + 0x8)[0] */ - if (set_bits(base + 0x08, 1, 1) == -1) + if (set_bits(base + HDA_GCTL_REG, 1, 1) == -1) goto no_codec; /* Read in Codec location (BAR + 0xe)[2..0]*/ - reg32 = read32(base + 0xe); + reg32 = read32(base + HDA_STATESTS_REG); reg32 &= 0x0f; if (!reg32) goto no_codec; @@ -65,7 +61,7 @@ static int codec_detect(u8 *base) no_codec: /* Codec Not found */ /* Put HDA back in reset (BAR + 0x8) [0] */ - set_bits(base + 0x08, 1, 0); + set_bits(base + HDA_GCTL_REG, 1, 0); printk(BIOS_DEBUG, "Azalia: No codec!\n"); return 0; } @@ -118,9 +114,9 @@ static int wait_for_valid(u8 *base) u32 reg32; /* Send the verb to the codec */ - reg32 = read32(base + 0x68); - reg32 |= (1 << 0) | (1 << 1); - write32(base + 0x68, reg32); + reg32 = read32(base + HDA_ICII_REG); + reg32 |= HDA_ICII_BUSY | HDA_ICII_VALID; + write32(base + HDA_ICII_REG, reg32); /* Use a 50 usec timeout - the Linux kernel uses the same duration */ @@ -149,12 +145,12 @@ static void codec_init(struct device *dev, u8 *base, int addr) return; reg32 = (addr << 28) | 0x000f0000; - write32(base + 0x60, reg32); + write32(base + HDA_IC_REG, reg32); if (wait_for_valid(base) == -1) return; - reg32 = read32(base + 0x64); + reg32 = read32(base + HDA_IR_REG); /* 2 */ printk(BIOS_DEBUG, "Azalia: codec viddid: %08x\n", reg32); @@ -171,7 +167,7 @@ static void codec_init(struct device *dev, u8 *base, int addr) if (wait_for_ready(base) == -1) return; - write32(base + 0x60, verb[i]); + write32(base + HDA_IC_REG, verb[i]); if (wait_for_valid(base) == -1) return;