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/* Copyright 2000 AG Electronics Ltd. */
/* Copyright 2003-2004 Linux Networx */
/* Copyright 2004 Tyan
By LYH change from PC87360 */
/* This code is distributed without warranty under the GPL v2 (see COPYING) */
#include <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <console/console.h>
#include <string.h>
#include <bitops.h>
#include <uart8250.h>
#include <pc80/keyboard.h>
#include "chip.h"
#include "w83627hf.h"
void pnp_enter_ext_func_mode(device_t dev) {
outb(0x87, dev->path.u.pnp.port);
outb(0x87, dev->path.u.pnp.port);
}
void pnp_exit_ext_func_mode(device_t dev) {
outb(0xaa, dev->path.u.pnp.port);
}
void pnp_write_hwm(unsigned long port_base, uint8_t reg, uint8_t value)
{
outb(reg, port_base+5);
outb(value, port_base+6);
}
uint8_t pnp_read_hwm(unsigned long port_base, uint8_t reg)
{
outb(reg, port_base + 5);
return inb(port_base + 6);
}
static void enable_hwm_smbus(device_t dev) {
uint8_t reg, value;
reg = 0x2b;
value = pnp_read_config(dev, reg);
value &= 0x3f;
pnp_write_config(dev, reg, value);
}
#if 0
static void dump_pnp_device(device_t dev)
{
int i;
print_debug("\r\n");
for(i = 0; i <= 255; i++) {
uint8_t reg, val;
if ((i & 0x0f) == 0) {
print_debug_hex8(i);
print_debug_char(':');
}
reg = i;
if(i!=0xaa) {
val = pnp_read_config(dev, reg);
}
else {
val = 0xaa;
}
print_debug_char(' ');
print_debug_hex8(val);
if ((i & 0x0f) == 0x0f) {
print_debug("\r\n");
}
}
}
#endif
static void init_hwm(unsigned long base)
{
uint8_t reg, value;
int i;
unsigned hwm_reg_values[] = {
// reg mask data
0x40 , 0xff , 0x81, // ; Start Hardware Monitoring for WIN627
0x48 , 0xaa , 0x2a, // ; Program SIO SMBus BAR to 54h>>1
// 0x48 , 0xc8 , 0x48, // ; Program SIO SMBus BAR to 90h>>1
0x4A , 0x21 , 0x21, // ; Program T2 SMBus BAR to 92h>>1 &
// ; Program T3 SMBus BAR to 94h>>1
0x4E , 0x80 , 0x00,
0x43 , 0x00 , 0xFF,
0x44 , 0x00 , 0x3F,
0x4C , 0xBF , 0x18,
0x4D , 0xFF , 0x80 // ; Turn Off Beep
};
for(i = 0; i< sizeof(hwm_reg_values)/sizeof(hwm_reg_values[0]); i+=3 ) {
reg = hwm_reg_values[i];
value = pnp_read_hwm(base, reg);
value &= 0xff & hwm_reg_values[i+1];
value |= 0xff & hwm_reg_values[i+2];
#if 0
printk_debug("base = 0x%04x, reg = 0x%02x, value = 0x%02x\r\n", base,reg,value);
#endif
pnp_write_hwm(base,reg, value);
}
}
static void w83627hf_init(device_t dev)
{
struct superio_winbond_w83627hf_config *conf;
struct resource *res0, *res1;
if (!dev->enabled) {
return;
}
conf = dev->chip_info;
switch(dev->path.u.pnp.device) {
case W83627HF_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com1);
break;
case W83627HF_SP2:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case W83627HF_KBC:
res0 = find_resource(dev, PNP_IDX_IO0);
res1 = find_resource(dev, PNP_IDX_IO1);
init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
break;
case W83627HF_HWM:
res0 = find_resource(dev, PNP_IDX_IO0);
init_hwm(res0->base);
break;
}
}
void w83627hf_pnp_set_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_resources(dev);
#if 0
dump_pnp_device(dev);
#endif
pnp_exit_ext_func_mode(dev);
}
void w83627hf_pnp_enable_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_enable_resources(dev);
switch(dev->path.u.pnp.device) {
case W83627HF_HWM:
//set the pin 91,92 as I2C bus
printk_debug("w83627hf hwm smbus enabled\r\n");
enable_hwm_smbus(dev);
break;
}
#if 0
dump_pnp_device(dev);
#endif
pnp_exit_ext_func_mode(dev);
}
void w83627hf_pnp_enable(device_t dev)
{
if (!dev->enabled) {
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_exit_ext_func_mode(dev);
}
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = w83627hf_pnp_set_resources,
.enable_resources = w83627hf_pnp_enable_resources,
.enable = w83627hf_pnp_enable,
.init = w83627hf_init,
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, W83627HF_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
{ &ops, W83627HF_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
{ &ops, W83627HF_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
{ &ops, W83627HF_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
// No 4 { 0,},
{ &ops, W83627HF_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
{ &ops, W83627HF_CIR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
{ &ops, W83627HF_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 0x4}, },
{ &ops, W83627HF_GPIO2, },
{ &ops, W83627HF_GPIO3, },
{ &ops, W83627HF_ACPI, },
{ &ops, W83627HF_HWM, PNP_IO0 | PNP_IRQ0, { 0xff8, 0 }, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &pnp_ops,
sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info);
}
struct chip_operations superio_winbond_w83627hf_ops = {
.name = "Winbond w83627hf",
.enable_dev = enable_dev,
};
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