static int sr_read_tochdr(struct cdrom_device_info *cdi,
struct cdrom_tochdr *tochdr)
{
struct scsi_cd *cd = cdi->handle;
struct packet_command cgc;
int result;
unsigned char *buffer;
buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
if (!buffer)
return -ENOMEM;
memset(&cgc, 0, sizeof(struct packet_command));
cgc.timeout = IOCTL_TIMEOUT;
cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
cgc.cmd[8] = 12; /* LSB of length */
cgc.buffer = buffer;
cgc.buflen = 12;
cgc.quiet = 1;
cgc.data_direction = DMA_FROM_DEVICE;
result = sr_do_ioctl(cd, &cgc);
tochdr->cdth_trk0 = buffer[2];
tochdr->cdth_trk1 = buffer[3];
kfree(buffer);
return result;
}
int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
{
Scsi_CD *cd = cdi->handle;
struct packet_command cgc;
char *buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
int result;
if (!buffer)
return -ENOMEM;
memset(&cgc, 0, sizeof(struct packet_command));
cgc.cmd[0] = GPCMD_READ_SUBCHANNEL;
cgc.cmd[2] = 0x40; /* I do want the subchannel info */
cgc.cmd[3] = 0x02; /* Give me medium catalog number info */
cgc.cmd[8] = 24;
cgc.buffer = buffer;
cgc.buflen = 24;
cgc.data_direction = DMA_FROM_DEVICE;
cgc.timeout = IOCTL_TIMEOUT;
result = sr_do_ioctl(cd, &cgc);
memcpy(mcn->medium_catalog_number, buffer + 9, 13);
mcn->medium_catalog_number[13] = 0;
kfree(buffer);
return result;
}
static int sr_read_tocentry(struct cdrom_device_info *cdi,
struct cdrom_tocentry *tocentry)
{
struct scsi_cd *cd = cdi->handle;
struct packet_command cgc;
int result;
unsigned char *buffer;
buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
if (!buffer)
return -ENOMEM;
memset(&cgc, 0, sizeof(struct packet_command));
cgc.timeout = IOCTL_TIMEOUT;
cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
cgc.cmd[1] |= (tocentry->cdte_format == CDROM_MSF) ? 0x02 : 0;
cgc.cmd[6] = tocentry->cdte_track;
cgc.cmd[8] = 12; /* LSB of length */
cgc.buffer = buffer;
cgc.buflen = 12;
cgc.data_direction = DMA_FROM_DEVICE;
result = sr_do_ioctl(cd, &cgc);
tocentry->cdte_ctrl = buffer[5] & 0xf;
tocentry->cdte_adr = buffer[5] >> 4;
tocentry->cdte_datamode = (tocentry->cdte_ctrl & 0x04) ? 1 : 0;
if (tocentry->cdte_format == CDROM_MSF) {
tocentry->cdte_addr.msf.minute = buffer[9];
tocentry->cdte_addr.msf.second = buffer[10];
tocentry->cdte_addr.msf.frame = buffer[11];
} else
tocentry->cdte_addr.lba = (((((buffer[8] << 8) + buffer[9]) << 8)
+ buffer[10]) << 8) + buffer[11];
kfree(buffer);
return result;
}
int sr_is_xa(Scsi_CD *cd)
{
unsigned char *raw_sector;
int is_xa;
if (!xa_test)
return 0;
raw_sector = kmalloc(2048, GFP_KERNEL | SR_GFP_DMA(cd));
if (!raw_sector)
return -ENOMEM;
if (0 == sr_read_sector(cd, cd->ms_offset + 16,
CD_FRAMESIZE_RAW1, raw_sector)) {
is_xa = (raw_sector[3] == 0x02) ? 1 : 0;
} else {
/* read a raw sector failed for some reason. */
is_xa = -1;
}
kfree(raw_sector);
#ifdef DEBUG
sr_printk(KERN_INFO, cd, "sr_is_xa: %d\n", is_xa);
#endif
return is_xa;
}
int sr_audio_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, void *arg)
{
Scsi_CD *cd = cdi->handle;
struct packet_command cgc;
int result;
unsigned char *buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
if (!buffer)
return -ENOMEM;
memset(&cgc, 0, sizeof(struct packet_command));
cgc.timeout = IOCTL_TIMEOUT;
switch (cmd) {
case CDROMREADTOCHDR:
{
struct cdrom_tochdr *tochdr = (struct cdrom_tochdr *) arg;
cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
cgc.cmd[8] = 12; /* LSB of length */
cgc.buffer = buffer;
cgc.buflen = 12;
cgc.quiet = 1;
cgc.data_direction = DMA_FROM_DEVICE;
result = sr_do_ioctl(cd, &cgc);
tochdr->cdth_trk0 = buffer[2];
tochdr->cdth_trk1 = buffer[3];
break;
}
case CDROMREADTOCENTRY:
{
struct cdrom_tocentry *tocentry = (struct cdrom_tocentry *) arg;
cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
cgc.cmd[1] |= (tocentry->cdte_format == CDROM_MSF) ? 0x02 : 0;
cgc.cmd[6] = tocentry->cdte_track;
cgc.cmd[8] = 12; /* LSB of length */
cgc.buffer = buffer;
cgc.buflen = 12;
cgc.data_direction = DMA_FROM_DEVICE;
result = sr_do_ioctl(cd, &cgc);
tocentry->cdte_ctrl = buffer[5] & 0xf;
tocentry->cdte_adr = buffer[5] >> 4;
tocentry->cdte_datamode = (tocentry->cdte_ctrl & 0x04) ? 1 : 0;
if (tocentry->cdte_format == CDROM_MSF) {
tocentry->cdte_addr.msf.minute = buffer[9];
tocentry->cdte_addr.msf.second = buffer[10];
tocentry->cdte_addr.msf.frame = buffer[11];
} else
tocentry->cdte_addr.lba = (((((buffer[8] << 8) + buffer[9]) << 8)
+ buffer[10]) << 8) + buffer[11];
break;
}
case CDROMPLAYTRKIND: {
struct cdrom_ti* ti = (struct cdrom_ti*)arg;
cgc.cmd[0] = GPCMD_PLAYAUDIO_TI;
cgc.cmd[4] = ti->cdti_trk0;
cgc.cmd[5] = ti->cdti_ind0;
cgc.cmd[7] = ti->cdti_trk1;
cgc.cmd[8] = ti->cdti_ind1;
cgc.data_direction = DMA_NONE;
result = sr_do_ioctl(cd, &cgc);
if (result == -EDRIVE_CANT_DO_THIS)
result = sr_fake_playtrkind(cdi, ti);
break;
}
default:
result = -EINVAL;
}
#if 0
if (result)
printk("DEBUG: sr_audio: result for ioctl %x: %x\n", cmd, result);
#endif
kfree(buffer);
return result;
}