C++ (Cpp) sr_fake_playtrkind Examples

Example #1

File: sr_ioctl.c Project: AshishNamdev/linux

static int sr_play_trkind(struct cdrom_device_info *cdi,
		struct cdrom_ti *ti)

{
	struct scsi_cd *cd = cdi->handle;
	struct packet_command cgc;
	int result;

	memset(&cgc, 0, sizeof(struct packet_command));
	cgc.timeout = IOCTL_TIMEOUT;
	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);

	return result;
}

Example #2

File: sr_ioctl.c Project: Antonio-Zhou/Linux-2.6.11

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;
}