/* * This file is part of the coreboot project. * * Copyright (C) 2004 Tyan Computer * Written by Yinghai Lu for Tyan Computer. * Copyright (C) 2006,2007 AMD * Written by Yinghai Lu for AMD. * Copyright (C) 2007 Silicon Integrated Systems Corp. (SiS) * Written by Morgan Tsai 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 #include #include #include #include #include #include #include "sis966.h" uint8_t 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(uint8_t *port, uint32_t mask, uint32_t val) { uint32_t dword; int count; val &= mask; dword = readl(port); dword &= ~mask; dword |= val; writel(dword, port); count = 50; do { dword = readl(port); dword &= mask; udelay(100); } while ((dword != val) && --count); if(!count) return -1; udelay(500); return 0; } uint32_t send_verb(uint8_t *base, uint32_t verb) { uint32_t dword; dword = readl(base + 0x68); dword=dword|(unsigned long)0x0002; writel(dword,base + 0x68); do { dword = readl(base + 0x68); } while ((dword & 1)!=0); writel(verb, base + 0x60); udelay(500); dword = readl(base + 0x68); dword =(dword |0x1); writel(dword, base + 0x68); do { udelay(100); dword = readl(base + 0x68); } while ((dword & 3) != 2); dword = readl(base + 0x64); return dword; } static int codec_detect(uint8_t *base) { uint32_t dword; int idx=0; /* 1 */ // controller reset printk_debug("controller reset\n"); set_bits(base + 0x08, 1, 1); do{ dword = readl(base + 0x08)&0x1; if(idx++>1000) { printk_debug("controller reset fail !!! \n"); break;} } while (dword !=1); dword=send_verb(base,0x000F0000); // get codec VendorId and DeviceId if(dword==0) { printk_debug("No codec!\n"); return 0; } printk_debug("Codec ID = %lx\n", dword); dword=0x1; return dword; } static uint32_t 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(uint32_t viddid, uint32_t **verb) { if((viddid == 0x10ec0883) || (viddid == 0x10ec0882) || (viddid == 0x10ec0880)) return 0; *verb = (uint32_t *)verb_data; return sizeof(verb_data)/sizeof(uint32_t); } static void codec_init(uint8_t *base, int addr) { uint32_t dword; uint32_t *verb; unsigned verb_size; int i; /* 1 */ do { dword = readl(base + 0x68); } while (dword & 1); dword = (addr<<28) | 0x000f0000; writel(dword, base + 0x60); do { dword = readl(base + 0x68); } while ((dword & 3)!=2); dword = readl(base + 0x64); /* 2 */ printk_debug("codec viddid: %08x\n", dword); verb_size = find_verb(dword, &verb); if(!verb_size) { printk_debug("No verb!\n"); return; } printk_debug("verb_size: %d\n", verb_size); /* 3 */ for(i=0; i\n"); //-------------- enable AZA (SiS7502) ------------------------- { uint8_t 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("\r\n"); print_debug_hex8(i); print_debug(": "); } print_debug_hex32(pci_read_config32(dev,i)); print_debug(" "); } print_debug("\r\n"); } #endif res = find_resource(dev, 0x10); if(!res) return; base =(uint8_t *) res->base; printk_debug("base = %08x\n", base); codec_mask = codec_detect(base); if(codec_mask) { printk_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, };