324 lines
9.2 KiB
C
324 lines
9.2 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Implementation of the SiS 5572 USB controller.
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2024 Miran Grca.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#define HAVE_STDARG_H
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#include <86box/86box.h>
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#include <86box/device.h>
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#include <86box/io.h>
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#include <86box/timer.h>
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#include <86box/dma.h>
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#include <86box/mem.h>
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#include <86box/nvr.h>
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#include <86box/hdd.h>
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#include <86box/hdc.h>
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#include <86box/hdc_ide.h>
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#include <86box/hdc_ide_sff8038i.h>
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#include <86box/pci.h>
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#include <86box/pic.h>
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#include <86box/pit.h>
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#include <86box/pit_fast.h>
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#include <86box/plat.h>
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#include <86box/plat_unused.h>
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#include <86box/port_92.h>
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#include <86box/smram.h>
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#include <86box/spd.h>
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#include <86box/apm.h>
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#include <86box/ddma.h>
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#include <86box/acpi.h>
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#include <86box/smbus.h>
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#include <86box/sis_55xx.h>
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#include <86box/chipset.h>
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#include <86box/usb.h>
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#ifdef ENABLE_SIS_5572_USB_LOG
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int sis_5572_usb_do_log = ENABLE_SIS_5572_USB_LOG;
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static void
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sis_5572_usb_log(const char *fmt, ...)
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{
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va_list ap;
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if (sis_5572_usb_do_log) {
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va_start(ap, fmt);
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pclog_ex(fmt, ap);
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va_end(ap);
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}
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}
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#else
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# define sis_5572_usb_log(fmt, ...)
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#endif
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typedef struct sis_5572_usb_t {
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uint8_t rev;
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uint8_t usb_unk_regs[256];
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uint8_t pci_conf[256];
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uint16_t usb_unk_base;
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usb_t *usb;
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sis_55xx_common_t *sis;
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} sis_5572_usb_t;
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/* SiS 5572 unknown I/O port (second USB PCI BAR). */
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static void
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sis_5572_usb_unk_write(uint16_t addr, uint8_t val, void *priv)
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{
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sis_5572_usb_t *dev = (sis_5572_usb_t *) priv;
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addr = (addr - dev->usb_unk_base) & 0x07;
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sis_5572_usb_log("SiS 5572 USB UNK: [W] dev->usb_unk_regs[%02X] = %02X\n", addr, val);
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dev->usb_unk_regs[addr] = val;
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}
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static uint8_t
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sis_5572_usb_unk_read(uint16_t addr, void *priv)
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{
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const sis_5572_usb_t *dev = (sis_5572_usb_t *) priv;
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uint8_t ret = 0xff;
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addr = (addr - dev->usb_unk_base) & 0x07;
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ret = dev->usb_unk_regs[addr & 0x07];
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sis_5572_usb_log("SiS 5572 USB UNK: [R] dev->usb_unk_regs[%02X] = %02X\n", addr, ret);
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return ret;
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}
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void
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sis_5572_usb_write(int addr, uint8_t val, void *priv)
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{
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sis_5572_usb_t *dev = (sis_5572_usb_t *) priv;
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sis_5572_usb_log("SiS 5572 USB: [W] dev->pci_conf[%02X] = %02X\n", addr, val);
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if (dev->sis->usb_enabled) switch (addr) {
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default:
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break;
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case 0x04: /* Command - Low Byte */
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if (dev->rev == 0xb0)
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dev->pci_conf[addr] = val & 0x47;
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else
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dev->pci_conf[addr] = val & 0x57;
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if (dev->usb_unk_base != 0x0000) {
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io_removehandler(dev->usb_unk_base, 0x0002,
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sis_5572_usb_unk_read, NULL, NULL,
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sis_5572_usb_unk_write, NULL, NULL, dev);
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if (dev->pci_conf[0x04] & 0x01)
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io_sethandler(dev->usb_unk_base, 0x0002,
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sis_5572_usb_unk_read, NULL, NULL,
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sis_5572_usb_unk_write, NULL, NULL, dev);
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}
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ohci_update_mem_mapping(dev->usb,
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dev->pci_conf[0x11], dev->pci_conf[0x12],
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dev->pci_conf[0x13], dev->pci_conf[0x04] & 0x02);
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break;
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case 0x05: /* Command - High Byte */
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dev->pci_conf[addr] = val & 0x01;
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break;
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case 0x07: /* Status - High Byte */
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dev->pci_conf[addr] &= ~(val & 0xf9);
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break;
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case 0x0d: /* Latency Timer */
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dev->pci_conf[addr] = val;
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break;
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case 0x11 ... 0x13: /* Memory Space Base Address Register */
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dev->pci_conf[addr] = val & ((addr == 0x11) ? 0xf0 : 0xff);
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ohci_update_mem_mapping(dev->usb,
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dev->pci_conf[0x11], dev->pci_conf[0x12],
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dev->pci_conf[0x13], dev->pci_conf[4] & 0x02);
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break;
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case 0x14 ... 0x15: /* IO Space Base Address Register */
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if (dev->rev == 0xb0) {
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if (dev->usb_unk_base != 0x0000) {
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io_removehandler(dev->usb_unk_base, 0x0002,
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sis_5572_usb_unk_read, NULL, NULL,
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sis_5572_usb_unk_write, NULL, NULL, dev);
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}
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dev->pci_conf[addr] = val;
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dev->usb_unk_base = (dev->pci_conf[0x14] & 0xf8) |
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(dev->pci_conf[0x15] << 8);
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if (dev->usb_unk_base != 0x0000) {
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io_sethandler(dev->usb_unk_base, 0x0002,
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sis_5572_usb_unk_read, NULL, NULL,
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sis_5572_usb_unk_write, NULL, NULL, dev);
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}
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}
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break;
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case 0x2c ... 0x2f:
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if (dev->rev == 0x11)
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dev->pci_conf[addr] = val;
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break;
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case 0x3c: /* Interrupt Line */
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dev->pci_conf[addr] = val;
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break;
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}
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}
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uint8_t
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sis_5572_usb_read(int addr, void *priv)
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{
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const sis_5572_usb_t *dev = (sis_5572_usb_t *) priv;
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uint8_t ret = 0xff;
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if (dev->sis->usb_enabled) {
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ret = dev->pci_conf[addr];
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sis_5572_usb_log("SiS 5572 USB: [R] dev->pci_conf[%02X] = %02X\n", addr, ret);
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}
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return ret;
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}
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static void
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sis_5572_usb_reset(void *priv)
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{
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sis_5572_usb_t *dev = (sis_5572_usb_t *) priv;
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dev->pci_conf[0x00] = 0x39;
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dev->pci_conf[0x01] = 0x10;
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dev->pci_conf[0x02] = 0x01;
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dev->pci_conf[0x03] = 0x70;
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dev->pci_conf[0x04] = dev->pci_conf[0x05] = 0x00;
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dev->pci_conf[0x06] = (dev->rev == 0xb0) ? 0x00 : 0x80;
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dev->pci_conf[0x07] = 0x02;
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dev->pci_conf[0x08] = dev->rev;
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dev->pci_conf[0x09] = 0x10;
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dev->pci_conf[0x0a] = 0x03;
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dev->pci_conf[0x0b] = 0x0c;
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dev->pci_conf[0x0c] = dev->pci_conf[0x0d] = 0x00;
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dev->pci_conf[0x0e] = 0x80 /* 0x10 - Datasheet erratum - header type 0x10 is invalid! */;
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dev->pci_conf[0x0f] = 0x00;
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dev->pci_conf[0x10] = 0x00;
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dev->pci_conf[0x11] = 0x00;
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dev->pci_conf[0x12] = 0x00;
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dev->pci_conf[0x13] = 0x00;
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if (dev->rev == 0xb0) {
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dev->pci_conf[0x14] = 0x01;
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dev->pci_conf[0x15] = 0x00;
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dev->pci_conf[0x16] = 0x00;
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dev->pci_conf[0x17] = 0x00;
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} else if (dev->rev == 0x11) {
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dev->pci_conf[0x2c] = 0x00;
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dev->pci_conf[0x2d] = 0x00;
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dev->pci_conf[0x2e] = 0x00;
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dev->pci_conf[0x2f] = 0x00;
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}
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dev->pci_conf[0x3c] = 0x00;
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dev->pci_conf[0x3d] = PCI_INTA;
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dev->pci_conf[0x3e] = 0x00;
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dev->pci_conf[0x3f] = 0x00;
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if (dev->rev == 0xb0) {
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ohci_update_mem_mapping(dev->usb,
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dev->pci_conf[0x11], dev->pci_conf[0x12],
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dev->pci_conf[0x13], dev->pci_conf[0x04] & 0x02);
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if (dev->usb_unk_base != 0x0000) {
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io_removehandler(dev->usb_unk_base, 0x0002,
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sis_5572_usb_unk_read, NULL, NULL,
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sis_5572_usb_unk_write, NULL, NULL, dev);
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}
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dev->usb_unk_base = 0x0000;
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memset(dev->usb_unk_regs, 0x00, sizeof(dev->usb_unk_regs));
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}
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}
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static void
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sis_5572_usb_close(void *priv)
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{
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sis_5572_usb_t *dev = (sis_5572_usb_t *) priv;
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free(dev);
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}
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static void *
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sis_5572_usb_init(UNUSED(const device_t *info))
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{
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sis_5572_usb_t *dev = (sis_5572_usb_t *) calloc(1, sizeof(sis_5572_usb_t));
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dev->rev = info->local;
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dev->sis = device_get_common_priv();
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/* USB */
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dev->usb = device_add(&usb_device);
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sis_5572_usb_reset(dev);
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return dev;
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}
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const device_t sis_5572_usb_device = {
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.name = "SiS 5572 USB controller",
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.internal_name = "sis_5572_usb",
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.flags = DEVICE_PCI,
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.local = 0xb0,
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.init = sis_5572_usb_init,
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.close = sis_5572_usb_close,
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.reset = sis_5572_usb_reset,
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.available = NULL,
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.speed_changed = NULL,
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.force_redraw = NULL,
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.config = NULL
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};
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const device_t sis_5582_usb_device = {
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.name = "SiS 5582 USB controller",
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.internal_name = "sis_5582_usb",
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.flags = DEVICE_PCI,
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.local = 0xe0,
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.init = sis_5572_usb_init,
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.close = sis_5572_usb_close,
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.reset = sis_5572_usb_reset,
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.available = NULL,
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.speed_changed = NULL,
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.force_redraw = NULL,
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.config = NULL
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};
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const device_t sis_5595_usb_device = {
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.name = "SiS 5595 USB controller",
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.internal_name = "sis_5595_usb",
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.flags = DEVICE_PCI,
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.local = 0x11,
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.init = sis_5572_usb_init,
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.close = sis_5572_usb_close,
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.reset = sis_5572_usb_reset,
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.available = NULL,
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.speed_changed = NULL,
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.force_redraw = NULL,
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.config = NULL
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};
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