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Make the CD/DVD-ROM passthrough actually work (WIP)

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Still WIP, eject/reload in the qt side is a bit broken.
This commit is contained in:
TC1995
2024-05-18 22:37:49 +02:00
parent 4fdb339407
commit 9af55412db
6 changed files with 80 additions and 38 deletions
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66
src/qt/win_cdrom_ioctl.c
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@@ -38,7 +38,22 @@
#define MSFtoLBA(m, s, f) ((((m * 60) + s) * 75) + f)
static HANDLE handle;
static char ioctl_path[8];
static WCHAR ioctl_path[256];
static int
plat_cdrom_open(void)
{
plat_cdrom_close();
handle = CreateFileW((LPCWSTR)ioctl_path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
pclog("handle=%p, error=%x.\n", handle, GetLastError());
if (handle != INVALID_HANDLE_VALUE) {
long size;
DeviceIoControl(handle, IOCTL_STORAGE_LOAD_MEDIA, NULL, 0, NULL, 0, (LPDWORD)&size, NULL);
return 1;
}
return 0;
}
int
plat_cdrom_is_track_audio(uint32_t sector)
@@ -49,6 +64,7 @@ plat_cdrom_is_track_audio(uint32_t sector)
int control = 0;
uint32_t track_addr = 0;
plat_cdrom_open();
DeviceIoControl(handle, IOCTL_CDROM_READ_TOC, NULL, 0, &toc, sizeof(toc), (LPDWORD)&size, NULL);
plat_cdrom_close();
@@ -71,6 +87,7 @@ plat_cdrom_get_last_block(void)
long size = 0;
uint32_t address = 0;
plat_cdrom_open();
DeviceIoControl(handle, IOCTL_CDROM_READ_TOC, NULL, 0, &toc, sizeof(toc), (LPDWORD)&size, NULL);
plat_cdrom_close();
@@ -79,7 +96,7 @@ plat_cdrom_get_last_block(void)
if (address > lb)
lb = address;
}
pclog("LBCapacity=%x.\n", lb);
pclog("LBCapacity=%d.\n", lb);
return lb;
}
@@ -89,6 +106,7 @@ plat_cdrom_get_audio_tracks(int *st_track, int *end, TMSF *lead_out)
CDROM_TOC toc;
long size = 0;
plat_cdrom_open();
DeviceIoControl(handle, IOCTL_CDROM_READ_TOC, NULL, 0, &toc, sizeof(toc), (LPDWORD)&size, NULL);
plat_cdrom_close();
@@ -106,6 +124,7 @@ plat_cdrom_get_audio_track_info(UNUSED(int end), int track, int *track_num, TMSF
CDROM_TOC toc;
long size = 0;
plat_cdrom_open();
DeviceIoControl(handle, IOCTL_CDROM_READ_TOC, NULL, 0, &toc, sizeof(toc), (LPDWORD)&size, NULL);
plat_cdrom_close();
@@ -132,6 +151,7 @@ plat_cdrom_get_audio_sub(UNUSED(uint32_t sector), uint8_t *attr, uint8_t *track,
insub.Format = IOCTL_CDROM_CURRENT_POSITION;
plat_cdrom_open();
DeviceIoControl(handle, IOCTL_CDROM_READ_Q_CHANNEL, &insub, sizeof(insub), &sub, sizeof(sub), (LPDWORD)&size, NULL);
plat_cdrom_close();
@@ -155,7 +175,15 @@ plat_cdrom_get_audio_sub(UNUSED(uint32_t sector), uint8_t *attr, uint8_t *track,
int
plat_cdrom_get_sector_size(UNUSED(uint32_t sector))
{
return COOKED_SECTOR_SIZE;
long size;
DISK_GEOMETRY dgCDROM;
plat_cdrom_open();
DeviceIoControl(handle, IOCTL_CDROM_GET_DRIVE_GEOMETRY, NULL, 0, &dgCDROM, sizeof(dgCDROM), (LPDWORD)&size, NULL);
plat_cdrom_close();
pclog("BytesPerSector=%d.\n", dgCDROM.BytesPerSector);
return dgCDROM.BytesPerSector;
}
int
@@ -167,6 +195,7 @@ plat_cdrom_read_sector(uint8_t *buffer, int raw, uint32_t sector)
int buflen = raw ? RAW_SECTOR_SIZE : COOKED_SECTOR_SIZE;
plat_cdrom_open();
if (!raw) {
pclog("Cooked.\n");
// Cooked
@@ -186,12 +215,22 @@ plat_cdrom_read_sector(uint8_t *buffer, int raw, uint32_t sector)
status = DeviceIoControl(handle, IOCTL_CDROM_RAW_READ, &in, sizeof(in),
buffer, buflen, (LPDWORD)&size, NULL);
}
plat_cdrom_close();
pclog("ReadSector status=%d, sector=%d, size=%d.\n", status, sector, size);
return (size == buflen) && (status > 0);
}
void
plat_cdrom_eject(void)
{
long size;
int ret;
plat_cdrom_open();
DeviceIoControl(handle, IOCTL_STORAGE_EJECT_MEDIA, NULL, 0, NULL, 0, (LPDWORD)&size, NULL);
plat_cdrom_close();
}
void
plat_cdrom_close(void)
{
@@ -201,21 +240,14 @@ plat_cdrom_close(void)
}
}
static int
plat_cdrom_load(char *path, int letter)
int
plat_cdrom_set_drive(int drive)
{
plat_cdrom_close();
strcpy(ioctl_path, "\\\\.\\");
strcat(ioctl_path, path);
/* Data track (shouldn't there be a lead in track?). */
handle = CreateFileW((LPCWSTR)ioctl_path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
pclog("handle=%p, error=%x, drive=%s.\n", handle, GetLastError(), ioctl_path);
return (handle != INVALID_HANDLE_VALUE);
}
wsprintf(ioctl_path, L"\\\\.\\%c:", drive);
pclog("Path is %s\n", ioctl_path);
int
plat_cdrom_open(char *path, int letter)
{
return plat_cdrom_load(path, letter);
plat_cdrom_open();
return 1;
}