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/*
* This file is part of the LinuxBIOS 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"
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<verb_size; i++) {
send_verb(base,verb[i]);
}
printk_debug("verb loaded!\n");
}
static void codecs_init(uint8_t *base, uint32_t codec_mask)
{
codec_init(base, 0);
return;
}
static void aza_init(struct device *dev)
{
uint8_t *base;
struct resource *res;
uint32_t codec_mask;
print_debug("AZALIA_INIT:---------->\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_AZA,
};
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