| /* |
| * 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. |
| */ |
| |
| #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(void *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(u8 *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(u8 *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(u8 *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(u8 *base, u32 codec_mask) |
| { |
| codec_init(base, 0); |
| return; |
| } |
| |
| static void aza_init(struct device *dev) |
| { |
| u8 *base; |
| struct resource *res; |
| u32 codec_mask; |
| |
| printk(BIOS_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; |
| |
| printk(BIOS_DEBUG, "****** Azalia PCI config ******"); |
| printk(BIOS_DEBUG, "\n 03020100 07060504 0B0A0908 0F0E0D0C"); |
| |
| for (i=0; i<0xff; i+=4){ |
| if ((i%16)==0){ |
| printk(BIOS_DEBUG, "\n%02x: ", i); |
| } |
| printk(BIOS_DEBUG, "%08x ", pci_read_config32(dev,i)); |
| } |
| printk(BIOS_DEBUG, "\n"); |
| } |
| #endif |
| |
| res = find_resource(dev, 0x10); |
| if (!res) |
| return; |
| |
| base = res2mmio(res, 0, 0); |
| printk(BIOS_DEBUG, "base = 0x%p\n", base); |
| |
| codec_mask = codec_detect(base); |
| |
| if (codec_mask) { |
| printk(BIOS_DEBUG, "codec_mask = %02x\n", codec_mask); |
| codecs_init(base, codec_mask); |
| } |
| |
| printk(BIOS_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, |
| }; |