diff options
Diffstat (limited to 'src/southbridge/sis/sis966/aza.c')
-rw-r--r-- | src/southbridge/sis/sis966/aza.c | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/src/southbridge/sis/sis966/aza.c b/src/southbridge/sis/sis966/aza.c new file mode 100644 index 0000000000..c7573a3f7a --- /dev/null +++ b/src/southbridge/sis/sis966/aza.c @@ -0,0 +1,330 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2004 Tyan Computer + * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. + * Copyright (C) 2006,2007 AMD + * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD. + * Copyright (C) 2007 Silicon Integrated Systems Corp. (SiS) + * Written by Morgan Tsai <my_tsai@sis.com> for SiS. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <arch/io.h> +#include <delay.h> +#include "sis966.h" + +u8 SiS_SiS7502_init[7][3]={ +{0x04, 0xFF, 0x07}, +{0x2C, 0xFF, 0x39}, +{0x2D, 0xFF, 0x10}, +{0x2E, 0xFF, 0x91}, +{0x2F, 0xFF, 0x01}, +{0x04, 0xFF, 0x06}, +{0x00, 0x00, 0x00} //End of table +}; + +static int set_bits(u32 port, u32 mask, u32 val) +{ + u32 dword; + int count; + + val &= mask; + dword = read32(port); + dword &= ~mask; + dword |= val; + write32(port, dword); + + count = 50; + do { + dword = read32(port); + dword &= mask; + udelay(100); + } while ((dword != val) && --count); + + if(!count) return -1; + + udelay(500); + return 0; + +} + +static u32 send_verb(u32 base, u32 verb) +{ + u32 dword; + + dword = read32(base + 0x68); + dword=dword|(unsigned long)0x0002; + write32(base + 0x68, dword); + do { + dword = read32(base + 0x68); + } while ((dword & 1)!=0); + write32(base + 0x60, verb); + udelay(500); + dword = read32(base + 0x68); + dword =(dword |0x1); + write32(base + 0x68, dword); + do { + udelay(100); + dword = read32(base + 0x68); + } while ((dword & 3) != 2); + + dword = read32(base + 0x64); + return dword; +} + + +static int codec_detect(u32 base) +{ + u32 dword; + int idx=0; + + /* 1 */ // controller reset + printk(BIOS_DEBUG, "controller reset\n"); + + set_bits(base + 0x08, 1, 1); + + do{ + dword = read32(base + 0x08)&0x1; + if(idx++>1000) { printk(BIOS_DEBUG, "controller reset fail !!! \n"); break;} + } while (dword !=1); + + dword=send_verb(base,0x000F0000); // get codec VendorId and DeviceId + + if(dword==0) { + printk(BIOS_DEBUG, "No codec!\n"); + return 0; + } + + printk(BIOS_DEBUG, "Codec ID = %x\n", dword); + + dword=0x1; + return dword; + +} + + +static u32 verb_data[] = { + +//14 + 0x01471c10, + 0x01471d40, + 0x01471e01, + 0x01471f01, +//15 + 0x01571c12, + 0x01571d10, + 0x01571e01, + 0x01571f01, +//16 + 0x01671c11, + 0x01671d60, + 0x01671e01, + 0x01671f01, +//17 + 0x01771c14, + 0x01771d20, + 0x01771e01, + 0x01771f01, +//18 + 0x01871c40, + 0x01871d98, + 0x01871ea1, + 0x01871f01, +//19 + 0x01971c50, + 0x01971d98, + 0x01971ea1, + 0x01971f02, +//1a + 0x01a71c4f, + 0x01a71d30, + 0x01a71e81, + 0x01a71f01, +//1b + 0x01b71c20, + 0x01b71d40, + 0x01b71e01, + 0x01b71f02, +//1c + 0x01c71cf0, + 0x01c71d01, + 0x01c71e33, + 0x01c71f59, +//1d + 0x01d71c01, + 0x01d71de6, + 0x01d71e05, + 0x01d71f40, +//1e + 0x01e71c30, + 0x01e71d11, + 0x01e71e44, + 0x01e71f01, +//1f + 0x01f71c60, + 0x01f71d61, + 0x01f71ec4, + 0x01f71f01, +}; + +static unsigned find_verb(u32 viddid, u32 **verb) +{ + if((viddid == 0x10ec0883) || (viddid == 0x10ec0882) || (viddid == 0x10ec0880)) return 0; + *verb = (u32 *)verb_data; + return sizeof(verb_data)/sizeof(u32); +} + + +static void codec_init(u32 base, int addr) +{ + u32 dword; + u32 *verb; + unsigned verb_size; + int i; + + /* 1 */ + do { + dword = read32(base + 0x68); + } while (dword & 1); + + dword = (addr<<28) | 0x000f0000; + write32(base + 0x60, dword); + + do { + dword = read32(base + 0x68); + } while ((dword & 3)!=2); + + dword = read32(base + 0x64); + + /* 2 */ + printk(BIOS_DEBUG, "codec viddid: %08x\n", dword); + verb_size = find_verb(dword, &verb); + + if(!verb_size) { + printk(BIOS_DEBUG, "No verb!\n"); + return; + } + + printk(BIOS_DEBUG, "verb_size: %d\n", verb_size); + /* 3 */ + for(i=0; i<verb_size; i++) { + send_verb(base,verb[i]); + } + printk(BIOS_DEBUG, "verb loaded!\n"); +} + +static void codecs_init(u32 base, u32 codec_mask) +{ + codec_init(base, 0); + return; +} + +static void aza_init(struct device *dev) +{ + u32 base; + struct resource *res; + u32 codec_mask; + + print_debug("AZALIA_INIT:---------->\n"); + +//-------------- enable AZA (SiS7502) ------------------------- +{ + u8 temp8; + int i=0; + while(SiS_SiS7502_init[i][0] != 0) + { + temp8 = pci_read_config8(dev, SiS_SiS7502_init[i][0]); + temp8 &= SiS_SiS7502_init[i][1]; + temp8 |= SiS_SiS7502_init[i][2]; + pci_write_config8(dev, SiS_SiS7502_init[i][0], temp8); + i++; + }; +} +//----------------------------------------------------------- + + + // put audio to D0 state + pci_write_config8(dev, 0x54,0x00); + +#if DEBUG_AZA +{ + int i; + + print_debug("****** Azalia PCI config ******"); + print_debug("\n 03020100 07060504 0B0A0908 0F0E0D0C"); + + for(i=0;i<0xff;i+=4){ + if((i%16)==0){ + print_debug("\n"); + print_debug_hex8(i); + print_debug(": "); + } + print_debug_hex32(pci_read_config32(dev,i)); + print_debug(" "); + } + print_debug("\n"); +} +#endif + + res = find_resource(dev, 0x10); + if(!res) + return; + + base = res->base; + printk(BIOS_DEBUG, "base = 0x%08x\n", base); + + codec_mask = codec_detect(base); + + if(codec_mask) { + printk(BIOS_DEBUG, "codec_mask = %02x\n", codec_mask); + codecs_init(base, codec_mask); + } + + print_debug("AZALIA_INIT:<----------\n"); +} + +static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + pci_write_config32(dev, 0x40, + ((device & 0xffff) << 16) | (vendor & 0xffff)); +} + +static struct pci_operations lops_pci = { + .set_subsystem = lpci_set_subsystem, +}; + +static struct device_operations aza_audio_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, +// .enable = sis966_enable, + .init = aza_init, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver azaaudio_driver __pci_driver = { + .ops = &aza_audio_ops, + .vendor = PCI_VENDOR_ID_SIS, + .device = PCI_DEVICE_ID_SIS_SIS966_HD_AUDIO, +}; + |