File Manager

X7ROOT File Manager

Current Path: /usr/include/linux

ðŸ“ ..
ðŸ“„ a.out.h(6.73 KB)
ðŸ“„ acct.h(3.65 KB)
ðŸ“„ adb.h(1.11 KB)
ðŸ“„ adfs_fs.h(936 B)
ðŸ“„ affs_hardblocks.h(1.51 KB)
ðŸ“„ agpgart.h(3.85 KB)
ðŸ“„ aio_abi.h(3.34 KB)
ðŸ“„ am437x-vpfe.h(3.59 KB)
ðŸ“ android
ðŸ“„ apm_bios.h(3.6 KB)
ðŸ“„ arcfb.h(213 B)
ðŸ“„ arm_sdei.h(2.69 KB)
ðŸ“„ aspeed-lpc-ctrl.h(1.74 KB)
ðŸ“„ atalk.h(1023 B)
ðŸ“„ atm.h(7.7 KB)
ðŸ“„ atm_eni.h(648 B)
ðŸ“„ atm_he.h(406 B)
ðŸ“„ atm_idt77105.h(955 B)
ðŸ“„ atm_nicstar.h(1.25 KB)
ðŸ“„ atm_tcp.h(1.58 KB)
ðŸ“„ atm_zatm.h(1.5 KB)
ðŸ“„ atmapi.h(952 B)
ðŸ“„ atmarp.h(1.27 KB)
ðŸ“„ atmbr2684.h(3.19 KB)
ðŸ“„ atmclip.h(576 B)
ðŸ“„ atmdev.h(7.5 KB)
ðŸ“„ atmioc.h(1.61 KB)
ðŸ“„ atmlec.h(2.33 KB)
ðŸ“„ atmmpc.h(4.13 KB)
ðŸ“„ atmppp.h(639 B)
ðŸ“„ atmsap.h(4.85 KB)
ðŸ“„ atmsvc.h(1.81 KB)
ðŸ“„ audit.h(19.92 KB)
ðŸ“„ auto_dev-ioctl.h(4.87 KB)
ðŸ“„ auto_fs.h(6.28 KB)
ðŸ“„ auto_fs4.h(451 B)
ðŸ“„ auxvec.h(1.56 KB)
ðŸ“„ ax25.h(2.76 KB)
ðŸ“„ b1lli.h(1.68 KB)
ðŸ“„ batadv_packet.h(20.01 KB)
ðŸ“„ batman_adv.h(11.7 KB)
ðŸ“„ baycom.h(883 B)
ðŸ“„ bcache.h(8.17 KB)
ðŸ“„ bcm933xx_hcs.h(419 B)
ðŸ“„ bfs_fs.h(1.85 KB)
ðŸ“„ binfmts.h(628 B)
ðŸ“„ blkpg.h(904 B)
ðŸ“„ blktrace_api.h(4.59 KB)
ðŸ“„ blkzoned.h(6.45 KB)
ðŸ“„ bpf.h(223.3 KB)
ðŸ“„ bpf_common.h(1.33 KB)
ðŸ“„ bpf_perf_event.h(529 B)
ðŸ“„ bpfilter.h(465 B)
ðŸ“„ bpqether.h(981 B)
ðŸ“„ bsg.h(2.44 KB)
ðŸ“„ bt-bmc.h(572 B)
ðŸ“„ btf.h(4.68 KB)
ðŸ“„ btrfs.h(28.24 KB)
ðŸ“„ btrfs_tree.h(24.69 KB)
ðŸ“ byteorder
ðŸ“ caif
ðŸ“ can
ðŸ“„ can.h(7.7 KB)
ðŸ“„ capability.h(13.2 KB)
ðŸ“„ capi.h(3.05 KB)
ðŸ“„ cciss_defs.h(3.2 KB)
ðŸ“„ cciss_ioctl.h(2.7 KB)
ðŸ“„ cdrom.h(28.18 KB)
ðŸ“„ cec-funcs.h(52.64 KB)
ðŸ“„ cec.h(36.81 KB)
ðŸ“„ cfm_bridge.h(1.42 KB)
ðŸ“„ cgroupstats.h(2.17 KB)
ðŸ“„ chio.h(5.22 KB)
ðŸ“ cifs
ðŸ“„ close_range.h(377 B)
ðŸ“„ cm4000_cs.h(1.76 KB)
ðŸ“„ cn_proc.h(3.38 KB)
ðŸ“„ coda.h(17.09 KB)
ðŸ“„ coda_psdev.h(783 B)
ðŸ“„ coff.h(12.18 KB)
ðŸ“„ connector.h(2.2 KB)
ðŸ“„ const.h(788 B)
ðŸ“„ coresight-stm.h(674 B)
ðŸ“„ cramfs_fs.h(3.47 KB)
ðŸ“„ cryptouser.h(3.31 KB)
ðŸ“„ cuda.h(905 B)
ðŸ“„ cyclades.h(16.71 KB)
ðŸ“„ cycx_cfm.h(2.92 KB)
ðŸ“„ dcbnl.h(24.65 KB)
ðŸ“„ dccp.h(6.29 KB)
ðŸ“„ devlink.h(21.05 KB)
ðŸ“„ dlm.h(2.49 KB)
ðŸ“„ dlm_device.h(2.48 KB)
ðŸ“„ dlm_netlink.h(1.13 KB)
ðŸ“„ dlm_plock.h(894 B)
ðŸ“„ dlmconstants.h(4.96 KB)
ðŸ“„ dm-ioctl.h(11.13 KB)
ðŸ“„ dm-log-userspace.h(14.83 KB)
ðŸ“„ dma-buf.h(5.12 KB)
ðŸ“„ dn.h(4.53 KB)
ðŸ“„ dqblk_xfs.h(9.03 KB)
ðŸ“ dvb
ðŸ“„ edd.h(5.47 KB)
ðŸ“„ efs_fs_sb.h(2.17 KB)
ðŸ“„ elf-em.h(2.14 KB)
ðŸ“„ elf-fdpic.h(1.1 KB)
ðŸ“„ elf.h(13.16 KB)
ðŸ“„ elfcore.h(2.92 KB)
ðŸ“„ errno.h(23 B)
ðŸ“„ errqueue.h(1.44 KB)
ðŸ“„ erspan.h(1.03 KB)
ðŸ“„ ethtool.h(81.89 KB)
ðŸ“„ ethtool_netlink.h(22.29 KB)
ðŸ“„ eventpoll.h(2.67 KB)
ðŸ“„ fadvise.h(842 B)
ðŸ“„ falloc.h(3.5 KB)
ðŸ“„ fanotify.h(5.22 KB)
ðŸ“„ fb.h(16.09 KB)
ðŸ“„ fcntl.h(4.08 KB)
ðŸ“„ fd.h(11.4 KB)
ðŸ“„ fdreg.h(5.29 KB)
ðŸ“„ fib_rules.h(1.99 KB)
ðŸ“„ fiemap.h(2.71 KB)
ðŸ“„ filter.h(2.16 KB)
ðŸ“„ firewire-cdev.h(42.86 KB)
ðŸ“„ firewire-constants.h(3.16 KB)
ðŸ“„ flat.h(2.1 KB)
ðŸ“„ fou.h(694 B)
ðŸ“„ fpga-dfl.h(8.52 KB)
ðŸ“„ fs.h(13.11 KB)
ðŸ“„ fsl_hypervisor.h(7.13 KB)
ðŸ“„ fsmap.h(4.29 KB)
ðŸ“„ fuse.h(22.92 KB)
ðŸ“„ futex.h(4.88 KB)
ðŸ“„ gameport.h(897 B)
ðŸ“„ gen_stats.h(1.49 KB)
ðŸ“„ genetlink.h(2.12 KB)
ðŸ“ genwqe
ðŸ“„ gfs2_ondisk.h(14.4 KB)
ðŸ“„ gigaset_dev.h(1.41 KB)
ðŸ“„ gpio.h(6.59 KB)
ðŸ“„ gsmmux.h(1.02 KB)
ðŸ“„ gtp.h(681 B)
ðŸ“„ hash_info.h(921 B)
ðŸ“ hdlc
ðŸ“„ hdlc.h(637 B)
ðŸ“„ hdlcdrv.h(2.84 KB)
ðŸ“„ hdreg.h(22.17 KB)
ðŸ“„ hid.h(1.86 KB)
ðŸ“„ hiddev.h(6.2 KB)
ðŸ“„ hidraw.h(1.95 KB)
ðŸ“„ hpet.h(743 B)
ðŸ“ hsi
ðŸ“„ hsr_netlink.h(1.06 KB)
ðŸ“„ hw_breakpoint.h(742 B)
ðŸ“„ hyperv.h(10.89 KB)
ðŸ“„ hysdn_if.h(1.35 KB)
ðŸ“„ i2c-dev.h(2.55 KB)
ðŸ“„ i2c.h(6.96 KB)
ðŸ“„ i2o-dev.h(11.28 KB)
ðŸ“„ i8k.h(1.49 KB)
ðŸ“„ icmp.h(2.91 KB)
ðŸ“„ icmpv6.h(3.94 KB)
ðŸ“„ idxd.h(8.22 KB)
ðŸ“„ if.h(10.65 KB)
ðŸ“„ if_addr.h(1.84 KB)
ðŸ“„ if_addrlabel.h(721 B)
ðŸ“„ if_alg.h(946 B)
ðŸ“„ if_arcnet.h(3.63 KB)
ðŸ“„ if_arp.h(6.42 KB)
ðŸ“„ if_bonding.h(5.17 KB)
ðŸ“„ if_bridge.h(19.06 KB)
ðŸ“„ if_cablemodem.h(986 B)
ðŸ“„ if_eql.h(1.32 KB)
ðŸ“„ if_ether.h(8.05 KB)
ðŸ“„ if_fc.h(1.7 KB)
ðŸ“„ if_fddi.h(3.66 KB)
ðŸ“„ if_frad.h(2.95 KB)
ðŸ“„ if_hippi.h(4.14 KB)
ðŸ“„ if_infiniband.h(1.22 KB)
ðŸ“„ if_link.h(30.28 KB)
ðŸ“„ if_ltalk.h(210 B)
ðŸ“„ if_macsec.h(5.7 KB)
ðŸ“„ if_packet.h(7.73 KB)
ðŸ“„ if_phonet.h(424 B)
ðŸ“„ if_plip.h(660 B)
ðŸ“„ if_ppp.h(29 B)
ðŸ“„ if_pppol2tp.h(3.21 KB)
ðŸ“„ if_pppox.h(4.76 KB)
ðŸ“„ if_slip.h(872 B)
ðŸ“„ if_team.h(2.54 KB)
ðŸ“„ if_tun.h(4 KB)
ðŸ“„ if_tunnel.h(4.41 KB)
ðŸ“„ if_vlan.h(1.79 KB)
ðŸ“„ if_x25.h(881 B)
ðŸ“„ if_xdp.h(2.94 KB)
ðŸ“„ ife.h(351 B)
ðŸ“„ igmp.h(2.99 KB)
ðŸ“ iio
ðŸ“„ ila.h(1.22 KB)
ðŸ“„ in.h(9.78 KB)
ðŸ“„ in6.h(7.26 KB)
ðŸ“„ in_route.h(936 B)
ðŸ“„ inet_diag.h(4.56 KB)
ðŸ“„ inotify.h(3.21 KB)
ðŸ“„ input-event-codes.h(27.94 KB)
ðŸ“„ input.h(15.61 KB)
ðŸ“„ io_uring.h(6.06 KB)
ðŸ“„ ioctl.h(163 B)
ðŸ“„ iommu.h(4.79 KB)
ðŸ“„ ip.h(4.62 KB)
ðŸ“„ ip6_tunnel.h(1.91 KB)
ðŸ“„ ip_vs.h(13.31 KB)
ðŸ“„ ipc.h(2.05 KB)
ðŸ“„ ipmi.h(15.08 KB)
ðŸ“„ ipmi_bmc.h(464 B)
ðŸ“„ ipmi_msgdefs.h(3.35 KB)
ðŸ“„ ipmi_ssif_bmc.h(441 B)
ðŸ“„ ipsec.h(947 B)
ðŸ“„ ipv6.h(3.87 KB)
ðŸ“„ ipv6_route.h(1.86 KB)
ðŸ“„ ipx.h(2.29 KB)
ðŸ“„ irqnr.h(104 B)
ðŸ“ isdn
ðŸ“„ isdn.h(5.64 KB)
ðŸ“„ isdn_divertif.h(1.17 KB)
ðŸ“„ isdn_ppp.h(1.88 KB)
ðŸ“„ isdnif.h(2.31 KB)
ðŸ“„ iso_fs.h(6.33 KB)
ðŸ“„ isst_if.h(5.26 KB)
ðŸ“„ ivtv.h(2.95 KB)
ðŸ“„ ivtvfb.h(1.18 KB)
ðŸ“„ jffs2.h(6.85 KB)
ðŸ“„ joystick.h(3.35 KB)
ðŸ“„ kcm.h(822 B)
ðŸ“„ kcmp.h(522 B)
ðŸ“„ kcov.h(1.07 KB)
ðŸ“„ kd.h(6.11 KB)
ðŸ“„ kdev_t.h(383 B)
ðŸ“„ kernel-page-flags.h(900 B)
ðŸ“„ kernel.h(438 B)
ðŸ“„ kernelcapi.h(1019 B)
ðŸ“„ kexec.h(1.79 KB)
ðŸ“„ keyboard.h(12.48 KB)
ðŸ“„ keyctl.h(3.42 KB)
ðŸ“„ kfd_ioctl.h(28.14 KB)
ðŸ“„ kfd_sysfs.h(4.25 KB)
ðŸ“„ kvm.h(60.12 KB)
ðŸ“„ kvm_para.h(1001 B)
ðŸ“„ l2tp.h(5.46 KB)
ðŸ“„ libc-compat.h(8.09 KB)
ðŸ“„ lightnvm.h(4.92 KB)
ðŸ“„ limits.h(937 B)
ðŸ“„ lirc.h(7.63 KB)
ðŸ“„ llc.h(3.09 KB)
ðŸ“„ loop.h(3.42 KB)
ðŸ“„ lp.h(4.09 KB)
ðŸ“„ lwtunnel.h(2.13 KB)
ðŸ“„ magic.h(3.45 KB)
ðŸ“„ major.h(4.6 KB)
ðŸ“„ map_to_7segment.h(7.08 KB)
ðŸ“„ matroxfb.h(1.43 KB)
ðŸ“„ max2175.h(1.01 KB)
ðŸ“„ mdio.h(16.87 KB)
ðŸ“„ media-bus-format.h(6.26 KB)
ðŸ“„ media.h(11.12 KB)
ðŸ“„ mei.h(3.39 KB)
ðŸ“„ membarrier.h(7.71 KB)
ðŸ“„ memfd.h(1.29 KB)
ðŸ“„ mempolicy.h(2.18 KB)
ðŸ“„ meye.h(2.47 KB)
ðŸ“„ mic_common.h(6.37 KB)
ðŸ“„ mic_ioctl.h(2.2 KB)
ðŸ“„ mii.h(9.27 KB)
ðŸ“„ minix_fs.h(2.07 KB)
ðŸ“„ mman.h(1.35 KB)
ðŸ“ mmc
ðŸ“„ mmtimer.h(2.07 KB)
ðŸ“„ module.h(255 B)
ðŸ“„ mount.h(4.44 KB)
ðŸ“„ mpls.h(2.25 KB)
ðŸ“„ mpls_iptunnel.h(761 B)
ðŸ“„ mptcp.h(5.48 KB)
ðŸ“„ mqueue.h(2.15 KB)
ðŸ“„ mroute.h(5.3 KB)
ðŸ“„ mroute6.h(4.47 KB)
ðŸ“„ mrp_bridge.h(1.67 KB)
ðŸ“„ msdos_fs.h(6.8 KB)
ðŸ“„ msg.h(3.29 KB)
ðŸ“„ mtio.h(7.98 KB)
ðŸ“„ n_r3964.h(2.35 KB)
ðŸ“„ nbd-netlink.h(2.35 KB)
ðŸ“„ nbd.h(2.95 KB)
ðŸ“„ ncsi.h(3.79 KB)
ðŸ“„ ndctl.h(6.71 KB)
ðŸ“„ neighbour.h(5.02 KB)
ðŸ“„ net.h(2.04 KB)
ðŸ“„ net_dropmon.h(2.85 KB)
ðŸ“„ net_namespace.h(715 B)
ðŸ“„ net_tstamp.h(5.67 KB)
ðŸ“„ netconf.h(614 B)
ðŸ“„ netdevice.h(2.2 KB)
ðŸ“ netfilter
ðŸ“„ netfilter.h(1.78 KB)
ðŸ“ netfilter_arp
ðŸ“„ netfilter_arp.h(445 B)
ðŸ“ netfilter_bridge
ðŸ“„ netfilter_bridge.h(1.14 KB)
ðŸ“„ netfilter_decnet.h(1.93 KB)
ðŸ“ netfilter_ipv4
ðŸ“„ netfilter_ipv4.h(2.12 KB)
ðŸ“ netfilter_ipv6
ðŸ“„ netfilter_ipv6.h(2.14 KB)
ðŸ“„ netlink.h(11.23 KB)
ðŸ“„ netlink_diag.h(1.49 KB)
ðŸ“„ netrom.h(807 B)
ðŸ“„ nexthop.h(1.5 KB)
ðŸ“„ nfc.h(10.95 KB)
ðŸ“„ nfs.h(4.39 KB)
ðŸ“„ nfs2.h(1.43 KB)
ðŸ“„ nfs3.h(2.4 KB)
ðŸ“„ nfs4.h(6.44 KB)
ðŸ“„ nfs4_mount.h(1.89 KB)
ðŸ“„ nfs_fs.h(1.6 KB)
ðŸ“„ nfs_idmap.h(2.19 KB)
ðŸ“„ nfs_mount.h(2.09 KB)
ðŸ“„ nfsacl.h(718 B)
ðŸ“ nfsd
ðŸ“„ nilfs2_api.h(7.41 KB)
ðŸ“„ nilfs2_ondisk.h(17.61 KB)
ðŸ“„ nitro_enclaves.h(12.84 KB)
ðŸ“„ nl80211.h(327.41 KB)
ðŸ“„ nsfs.h(639 B)
ðŸ“„ nubus.h(8 KB)
ðŸ“„ nvme_ioctl.h(2.06 KB)
ðŸ“„ nvram.h(532 B)
ðŸ“„ omap3isp.h(20.36 KB)
ðŸ“„ omapfb.h(5.78 KB)
ðŸ“„ oom.h(511 B)
ðŸ“„ openat2.h(1.26 KB)
ðŸ“„ openvswitch.h(39.24 KB)
ðŸ“„ packet_diag.h(1.63 KB)
ðŸ“„ param.h(141 B)
ðŸ“„ parport.h(3.56 KB)
ðŸ“„ patchkey.h(892 B)
ðŸ“„ pci.h(1.35 KB)
ðŸ“„ pci_regs.h(56.47 KB)
ðŸ“„ pcitest.h(711 B)
ðŸ“„ perf_event.h(39.63 KB)
ðŸ“„ personality.h(2.05 KB)
ðŸ“„ pfkeyv2.h(10.32 KB)
ðŸ“„ pfrut.h(7.8 KB)
ðŸ“„ pg.h(2.34 KB)
ðŸ“„ phantom.h(1.62 KB)
ðŸ“„ phonet.h(4.57 KB)
ðŸ“„ pkt_cls.h(18.08 KB)
ðŸ“„ pkt_sched.h(29.59 KB)
ðŸ“„ pktcdvd.h(2.62 KB)
ðŸ“„ pmu.h(5.19 KB)
ðŸ“„ poll.h(22 B)
ðŸ“„ posix_acl.h(1.22 KB)
ðŸ“„ posix_acl_xattr.h(1.09 KB)
ðŸ“„ posix_types.h(1.07 KB)
ðŸ“„ ppdev.h(3.14 KB)
ðŸ“„ ppp-comp.h(2.47 KB)
ðŸ“„ ppp-ioctl.h(5.35 KB)
ðŸ“„ ppp_defs.h(4.99 KB)
ðŸ“„ pps.h(4.62 KB)
ðŸ“„ pr.h(1.05 KB)
ðŸ“„ prctl.h(7.83 KB)
ðŸ“„ psample.h(2.22 KB)
ðŸ“„ psci.h(4.23 KB)
ðŸ“„ psp-sev.h(4.48 KB)
ðŸ“„ ptp_clock.h(7.28 KB)
ðŸ“„ ptrace.h(3.59 KB)
ðŸ“„ qemu_fw_cfg.h(2.41 KB)
ðŸ“„ qnx4_fs.h(2.27 KB)
ðŸ“„ qnxtypes.h(624 B)
ðŸ“„ qrtr.h(893 B)
ðŸ“„ quota.h(6.14 KB)
ðŸ“„ radeonfb.h(360 B)
ðŸ“ raid
ðŸ“„ random.h(1.34 KB)
ðŸ“„ raw.h(365 B)
ðŸ“„ rds.h(9.08 KB)
ðŸ“„ reboot.h(1.31 KB)
ðŸ“„ reiserfs_fs.h(775 B)
ðŸ“„ reiserfs_xattr.h(533 B)
ðŸ“„ resource.h(2.29 KB)
ðŸ“„ rfkill.h(6.45 KB)
ðŸ“„ rio_cm_cdev.h(3.17 KB)
ðŸ“„ rio_mport_cdev.h(9.11 KB)
ðŸ“„ romfs_fs.h(1.21 KB)
ðŸ“„ rose.h(2.18 KB)
ðŸ“„ route.h(2.28 KB)
ðŸ“„ rpmsg.h(544 B)
ðŸ“„ rseq.h(4.79 KB)
ðŸ“„ rtc.h(3.92 KB)
ðŸ“„ rtnetlink.h(19.73 KB)
ðŸ“„ rxrpc.h(4.96 KB)
ðŸ“„ scc.h(4.49 KB)
ðŸ“ sched
ðŸ“„ sched.h(2.73 KB)
ðŸ“„ scif_ioctl.h(6.23 KB)
ðŸ“„ screen_info.h(2.42 KB)
ðŸ“„ sctp.h(35.15 KB)
ðŸ“„ sdla.h(2.77 KB)
ðŸ“„ seccomp.h(2.2 KB)
ðŸ“„ securebits.h(2.64 KB)
ðŸ“„ sed-opal.h(3.2 KB)
ðŸ“„ seg6.h(1.14 KB)
ðŸ“„ seg6_genl.h(589 B)
ðŸ“„ seg6_hmac.h(423 B)
ðŸ“„ seg6_iptunnel.h(927 B)
ðŸ“„ seg6_local.h(2.01 KB)
ðŸ“„ selinux_netlink.h(1.17 KB)
ðŸ“„ sem.h(2.97 KB)
ðŸ“„ serial.h(3.78 KB)
ðŸ“„ serial_core.h(6.1 KB)
ðŸ“„ serial_reg.h(15.13 KB)
ðŸ“„ serio.h(1.99 KB)
ðŸ“„ sev-guest.h(2.25 KB)
ðŸ“„ shm.h(3.7 KB)
ðŸ“„ signal.h(388 B)
ðŸ“„ signalfd.h(1.2 KB)
ðŸ“„ smc.h(8.31 KB)
ðŸ“„ smc_diag.h(2.66 KB)
ðŸ“„ smiapp.h(1.03 KB)
ðŸ“„ snmp.h(13.34 KB)
ðŸ“„ sock_diag.h(1.27 KB)
ðŸ“„ socket.h(901 B)
ðŸ“„ sockios.h(5.96 KB)
ðŸ“„ sonet.h(2.24 KB)
ðŸ“„ sonypi.h(5.18 KB)
ðŸ“„ sound.h(1.21 KB)
ðŸ“„ soundcard.h(44.96 KB)
ðŸ“ spi
ðŸ“„ stat.h(6.2 KB)
ðŸ“„ stddef.h(1.5 KB)
ðŸ“„ stm.h(1.25 KB)
ðŸ“„ string.h(238 B)
ðŸ“ sunrpc
ðŸ“„ suspend_ioctls.h(1.4 KB)
ðŸ“„ swab.h(6.76 KB)
ðŸ“„ switchtec_ioctl.h(5.14 KB)
ðŸ“„ sync_file.h(2.82 KB)
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ðŸ“„ zorro_ids.h(29.26 KB)

Editing: soundcard.h

/*
 * Copyright by Hannu Savolainen 1993-1997
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer. 2.
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
#ifndef SOUNDCARD_H
#define SOUNDCARD_H

/*
 * OSS interface version. With versions earlier than 3.6 this value is
 * an integer with value less than 361. In versions 3.6 and later
 * it's a six digit hexadecimal value. For example value
 * of 0x030600 represents OSS version 3.6.0.
 * Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of
 * the currently active driver.
 */
#define SOUND_VERSION	0x030802
#define OPEN_SOUND_SYSTEM

/* In Linux we need to be prepared for cross compiling */
#include <linux/ioctl.h>

/* Endian macros. */
#  include <endian.h>

/*
 *	Supported card ID numbers (Should be somewhere else?)
 */

#define SNDCARD_ADLIB		1
#define SNDCARD_SB		2
#define SNDCARD_PAS		3
#define SNDCARD_GUS		4
#define SNDCARD_MPU401		5
#define SNDCARD_SB16		6
#define SNDCARD_SB16MIDI	7
#define SNDCARD_UART6850	8
#define SNDCARD_GUS16		9
#define SNDCARD_MSS		10
#define SNDCARD_PSS     	11
#define SNDCARD_SSCAPE		12
#define SNDCARD_PSS_MPU     	13
#define SNDCARD_PSS_MSS     	14
#define SNDCARD_SSCAPE_MSS	15
#define SNDCARD_TRXPRO		16
#define SNDCARD_TRXPRO_SB	17
#define SNDCARD_TRXPRO_MPU	18
#define SNDCARD_MAD16		19
#define SNDCARD_MAD16_MPU	20
#define SNDCARD_CS4232		21
#define SNDCARD_CS4232_MPU	22
#define SNDCARD_MAUI		23
#define SNDCARD_PSEUDO_MSS	24
#define SNDCARD_GUSPNP		25
#define SNDCARD_UART401		26
/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */

/***********************************
 * IOCTL Commands for /dev/sequencer
 */

#ifndef _SIOWR
#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
#define	SIOCPARM_MASK	IOCPARM_MASK
#define	SIOC_VOID	IOC_VOID
#define	SIOC_OUT	IOC_OUT
#define	SIOC_IN		IOC_IN
#define	SIOC_INOUT	IOC_INOUT
#define _SIOC_SIZE	_IOC_SIZE
#define _SIOC_DIR	_IOC_DIR
#define _SIOC_NONE	_IOC_NONE
#define _SIOC_READ	_IOC_READ
#define _SIOC_WRITE	_IOC_WRITE
#define	_SIO		_IO
#define	_SIOR		_IOR
#define	_SIOW		_IOW
#define	_SIOWR		_IOWR
#else

/* Ioctl's have the command encoded in the lower word,
 * and the size of any in or out parameters in the upper
 * word.  The high 2 bits of the upper word are used
 * to encode the in/out status of the parameter; for now
 * we restrict parameters to at most 8191 bytes.
 */
/* #define	SIOCTYPE		(0xff<<8) */
#define	SIOCPARM_MASK	0x1fff		/* parameters must be < 8192 bytes */
#define	SIOC_VOID	0x00000000	/* no parameters */
#define	SIOC_OUT	0x20000000	/* copy out parameters */
#define	SIOC_IN		0x40000000	/* copy in parameters */
#define	SIOC_INOUT	(SIOC_IN|SIOC_OUT)
/* the 0x20000000 is so we can distinguish new ioctl's from old */
#define	_SIO(x,y)	((int)(SIOC_VOID|(x<<8)|y))
#define	_SIOR(x,y,t)	((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
#define	_SIOW(x,y,t)	((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
/* this should be _SIORW, but stdio got there first */
#define	_SIOWR(x,y,t)	((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
#define _SIOC_SIZE(x)	((x>>16)&SIOCPARM_MASK)	
#define _SIOC_DIR(x)	(x & 0xf0000000)
#define _SIOC_NONE	SIOC_VOID
#define _SIOC_READ	SIOC_OUT
#define _SIOC_WRITE	SIOC_IN
#  endif /* _IOWR */
#endif  /* !_SIOWR */

#define SNDCTL_SEQ_RESET		_SIO  ('Q', 0)
#define SNDCTL_SEQ_SYNC			_SIO  ('Q', 1)
#define SNDCTL_SYNTH_INFO		_SIOWR('Q', 2, struct synth_info)
#define SNDCTL_SEQ_CTRLRATE		_SIOWR('Q', 3, int)	/* Set/get timer resolution (HZ) */
#define SNDCTL_SEQ_GETOUTCOUNT		_SIOR ('Q', 4, int)
#define SNDCTL_SEQ_GETINCOUNT		_SIOR ('Q', 5, int)
#define SNDCTL_SEQ_PERCMODE		_SIOW ('Q', 6, int)
#define SNDCTL_FM_LOAD_INSTR		_SIOW ('Q', 7, struct sbi_instrument)	/* Obsolete. Don't use!!!!!! */
#define SNDCTL_SEQ_TESTMIDI		_SIOW ('Q', 8, int)
#define SNDCTL_SEQ_RESETSAMPLES		_SIOW ('Q', 9, int)
#define SNDCTL_SEQ_NRSYNTHS		_SIOR ('Q',10, int)
#define SNDCTL_SEQ_NRMIDIS		_SIOR ('Q',11, int)
#define SNDCTL_MIDI_INFO		_SIOWR('Q',12, struct midi_info)
#define SNDCTL_SEQ_THRESHOLD		_SIOW ('Q',13, int)
#define SNDCTL_SYNTH_MEMAVL		_SIOWR('Q',14, int)	/* in=dev#, out=memsize */
#define SNDCTL_FM_4OP_ENABLE		_SIOW ('Q',15, int)	/* in=dev# */
#define SNDCTL_SEQ_PANIC		_SIO  ('Q',17)
#define SNDCTL_SEQ_OUTOFBAND		_SIOW ('Q',18, struct seq_event_rec)
#define SNDCTL_SEQ_GETTIME		_SIOR ('Q',19, int)
#define SNDCTL_SYNTH_ID			_SIOWR('Q',20, struct synth_info)
#define SNDCTL_SYNTH_CONTROL		_SIOWR('Q',21, struct synth_control)
#define SNDCTL_SYNTH_REMOVESAMPLE	_SIOWR('Q',22, struct remove_sample)

typedef struct synth_control
{
	int devno;	/* Synthesizer # */
	char data[4000]; /* Device spesific command/data record */
}synth_control;

typedef struct remove_sample
{
	int devno;	/* Synthesizer # */
	int bankno;	/* MIDI bank # (0=General MIDI) */
	int instrno;	/* MIDI instrument number */
} remove_sample;

typedef struct seq_event_rec {
		unsigned char arr[8];
} seq_event_rec;

#define SNDCTL_TMR_TIMEBASE		_SIOWR('T', 1, int)
#define SNDCTL_TMR_START		_SIO  ('T', 2)
#define SNDCTL_TMR_STOP			_SIO  ('T', 3)
#define SNDCTL_TMR_CONTINUE		_SIO  ('T', 4)
#define SNDCTL_TMR_TEMPO		_SIOWR('T', 5, int)
#define SNDCTL_TMR_SOURCE		_SIOWR('T', 6, int)
#	define TMR_INTERNAL		0x00000001
#	define TMR_EXTERNAL		0x00000002
#		define TMR_MODE_MIDI	0x00000010
#		define TMR_MODE_FSK	0x00000020
#		define TMR_MODE_CLS	0x00000040
#		define TMR_MODE_SMPTE	0x00000080
#define SNDCTL_TMR_METRONOME		_SIOW ('T', 7, int)
#define SNDCTL_TMR_SELECT		_SIOW ('T', 8, int)

/*
 * Some big endian/little endian handling macros
 */

#define _LINUX_PATCHKEY_H_INDIRECT
#include <linux/patchkey.h>
#undef _LINUX_PATCHKEY_H_INDIRECT

# if defined(__BYTE_ORDER)
#  if __BYTE_ORDER == __BIG_ENDIAN
#    define AFMT_S16_NE AFMT_S16_BE
#  elif __BYTE_ORDER == __LITTLE_ENDIAN
#    define AFMT_S16_NE AFMT_S16_LE
#  else
#    error "could not determine byte order"
#  endif
# endif

/*
 *	Sample loading mechanism for internal synthesizers (/dev/sequencer)
 *	The following patch_info structure has been designed to support
 *	Gravis UltraSound. It tries to be universal format for uploading
 *	sample based patches but is probably too limited.
 *
 *      (PBD) As Hannu guessed, the GUS structure is too limited for 
 *      the WaveFront, but this is the right place for a constant definition.
 */

struct patch_info {
		unsigned short key;		/* Use WAVE_PATCH here */
#define WAVE_PATCH	   _PATCHKEY(0x04)
#define GUS_PATCH	   WAVE_PATCH
#define WAVEFRONT_PATCH    _PATCHKEY(0x06)

short device_no;	/* Synthesizer number */
		short instr_no;		/* Midi pgm# */

unsigned int mode;
/*
 * The least significant byte has the same format than the GUS .PAT
 * files
 */
#define WAVE_16_BITS	0x01	/* bit 0 = 8 or 16 bit wave data. */
#define WAVE_UNSIGNED	0x02	/* bit 1 = Signed - Unsigned data. */
#define WAVE_LOOPING	0x04	/* bit 2 = looping enabled-1. */
#define WAVE_BIDIR_LOOP	0x08	/* bit 3 = Set is bidirectional looping. */
#define WAVE_LOOP_BACK	0x10	/* bit 4 = Set is looping backward. */
#define WAVE_SUSTAIN_ON	0x20	/* bit 5 = Turn sustaining on. (Env. pts. 3)*/
#define WAVE_ENVELOPES	0x40	/* bit 6 = Enable envelopes - 1 */
#define WAVE_FAST_RELEASE 0x80	/* bit 7 = Shut off immediately after note off */
				/* 	(use the env_rate/env_offs fields). */
/* Linux specific bits */
#define WAVE_VIBRATO	0x00010000	/* The vibrato info is valid */
#define WAVE_TREMOLO	0x00020000	/* The tremolo info is valid */
#define WAVE_SCALE	0x00040000	/* The scaling info is valid */
#define WAVE_FRACTIONS	0x00080000	/* Fraction information is valid */
/* Reserved bits */
#define WAVE_ROM	0x40000000	/* For future use */
#define WAVE_MULAW	0x20000000	/* For future use */
/* Other bits must be zeroed */

int len;	/* Size of the wave data in bytes */
		int loop_start, loop_end; /* Byte offsets from the beginning */

/* 
 * The base_freq and base_note fields are used when computing the
 * playback speed for a note. The base_note defines the tone frequency
 * which is heard if the sample is played using the base_freq as the
 * playback speed.
 *
 * The low_note and high_note fields define the minimum and maximum note
 * frequencies for which this sample is valid. It is possible to define
 * more than one samples for an instrument number at the same time. The
 * low_note and high_note fields are used to select the most suitable one.
 *
 * The fields base_note, high_note and low_note should contain
 * the note frequency multiplied by 1000. For example value for the
 * middle A is 440*1000.
 */

unsigned int base_freq;
		unsigned int base_note;
		unsigned int high_note;
		unsigned int low_note;
		int panning;	/* -128=left, 127=right */
		int detuning;

/*	New fields introduced in version 1.99.5	*/

/* Envelope. Enabled by mode bit WAVE_ENVELOPES	*/
		unsigned char	env_rate[ 6 ];	 /* GUS HW ramping rate */
		unsigned char	env_offset[ 6 ]; /* 255 == 100% */

/* 
	 * The tremolo, vibrato and scale info are not supported yet.
	 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
	 * WAVE_SCALE
	 */

unsigned char	tremolo_sweep;
		unsigned char	tremolo_rate;
		unsigned char	tremolo_depth;
	
		unsigned char	vibrato_sweep;
		unsigned char	vibrato_rate;
		unsigned char	vibrato_depth;

int		scale_frequency;
		unsigned int	scale_factor;		/* from 0 to 2048 or 0 to 2 */
	
	        int		volume;
		int		fractions;
		int		reserved1;
	        int		spare[2];
		char data[1];	/* The waveform data starts here */
	};

struct sysex_info {
		short key;		/* Use SYSEX_PATCH or MAUI_PATCH here */
#define SYSEX_PATCH	_PATCHKEY(0x05)
#define MAUI_PATCH	_PATCHKEY(0x06)
		short device_no;	/* Synthesizer number */
		int len;	/* Size of the sysex data in bytes */
		unsigned char data[1];	/* Sysex data starts here */
	};

/*
 * /dev/sequencer input events.
 *
 * The data written to the /dev/sequencer is a stream of events. Events
 * are records of 4 or 8 bytes. The first byte defines the size. 
 * Any number of events can be written with a write call. There
 * is a set of macros for sending these events. Use these macros if you
 * want to maximize portability of your program.
 *
 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
 * (All input events are currently 4 bytes long. Be prepared to support
 * 8 byte events also. If you receive any event having first byte >= 128,
 * it's a 8 byte event.
 *
 * The events are documented at the end of this file.
 *
 * Normal events (4 bytes)
 * There is also a 8 byte version of most of the 4 byte events. The
 * 8 byte one is recommended.
 */
#define SEQ_NOTEOFF		0
#define SEQ_FMNOTEOFF		SEQ_NOTEOFF	/* Just old name */
#define SEQ_NOTEON		1
#define	SEQ_FMNOTEON		SEQ_NOTEON
#define SEQ_WAIT		TMR_WAIT_ABS
#define SEQ_PGMCHANGE		3
#define SEQ_FMPGMCHANGE		SEQ_PGMCHANGE
#define SEQ_SYNCTIMER		TMR_START
#define SEQ_MIDIPUTC		5
#define SEQ_DRUMON		6	/*** OBSOLETE ***/
#define SEQ_DRUMOFF		7	/*** OBSOLETE ***/
#define SEQ_ECHO		TMR_ECHO	/* For synching programs with output */
#define SEQ_AFTERTOUCH		9
#define SEQ_CONTROLLER		10

/*******************************************
 *	Midi controller numbers
 *******************************************
 * Controllers 0 to 31 (0x00 to 0x1f) and
 * 32 to 63 (0x20 to 0x3f) are continuous
 * controllers.
 * In the MIDI 1.0 these controllers are sent using
 * two messages. Controller numbers 0 to 31 are used
 * to send the MSB and the controller numbers 32 to 63
 * are for the LSB. Note that just 7 bits are used in MIDI bytes.
 */

#define	   CTL_BANK_SELECT		0x00
#define	   CTL_MODWHEEL			0x01
#define    CTL_BREATH			0x02
/*		undefined		0x03 */
#define    CTL_FOOT			0x04
#define    CTL_PORTAMENTO_TIME		0x05
#define    CTL_DATA_ENTRY		0x06
#define    CTL_MAIN_VOLUME		0x07
#define    CTL_BALANCE			0x08
/*		undefined		0x09 */
#define    CTL_PAN			0x0a
#define    CTL_EXPRESSION		0x0b
/*		undefined		0x0c */
/*		undefined		0x0d */
/*		undefined		0x0e */
/*		undefined		0x0f */
#define    CTL_GENERAL_PURPOSE1	0x10
#define    CTL_GENERAL_PURPOSE2	0x11
#define    CTL_GENERAL_PURPOSE3	0x12
#define    CTL_GENERAL_PURPOSE4	0x13
/*		undefined		0x14 - 0x1f */

/*		undefined		0x20 */
/* The controller numbers 0x21 to 0x3f are reserved for the */
/* least significant bytes of the controllers 0x00 to 0x1f. */
/* These controllers are not recognised by the driver. */

/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
/* 0=OFF and 127=ON (intermediate values are possible) */
#define    CTL_DAMPER_PEDAL		0x40
#define    CTL_SUSTAIN			0x40	/* Alias */
#define    CTL_HOLD			0x40	/* Alias */
#define    CTL_PORTAMENTO		0x41
#define    CTL_SOSTENUTO		0x42
#define    CTL_SOFT_PEDAL		0x43
/*		undefined		0x44 */
#define    CTL_HOLD2			0x45
/*		undefined		0x46 - 0x4f */

#define    CTL_GENERAL_PURPOSE5	0x50
#define    CTL_GENERAL_PURPOSE6	0x51
#define    CTL_GENERAL_PURPOSE7	0x52
#define    CTL_GENERAL_PURPOSE8	0x53
/*		undefined		0x54 - 0x5a */
#define    CTL_EXT_EFF_DEPTH		0x5b
#define    CTL_TREMOLO_DEPTH		0x5c
#define    CTL_CHORUS_DEPTH		0x5d
#define    CTL_DETUNE_DEPTH		0x5e
#define    CTL_CELESTE_DEPTH		0x5e	/* Alias for the above one */
#define    CTL_PHASER_DEPTH		0x5f
#define    CTL_DATA_INCREMENT		0x60
#define    CTL_DATA_DECREMENT		0x61
#define    CTL_NONREG_PARM_NUM_LSB	0x62
#define    CTL_NONREG_PARM_NUM_MSB	0x63
#define    CTL_REGIST_PARM_NUM_LSB	0x64
#define    CTL_REGIST_PARM_NUM_MSB	0x65
/*		undefined		0x66 - 0x78 */
/*		reserved		0x79 - 0x7f */

/* Pseudo controllers (not midi compatible) */
#define    CTRL_PITCH_BENDER		255
#define    CTRL_PITCH_BENDER_RANGE	254
#define    CTRL_EXPRESSION		253	/* Obsolete */
#define    CTRL_MAIN_VOLUME		252	/* Obsolete */
#define SEQ_BALANCE		11
#define SEQ_VOLMODE             12

/*
 * Volume mode decides how volumes are used
 */

#define VOL_METHOD_ADAGIO	1
#define VOL_METHOD_LINEAR	2

/*
 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
 *	 input events.
 */

/*
 * Event codes 0xf0 to 0xfc are reserved for future extensions.
 */

#define SEQ_FULLSIZE		0xfd	/* Long events */
/*
 *	SEQ_FULLSIZE events are used for loading patches/samples to the
 *	synthesizer devices. These events are passed directly to the driver
 *	of the associated synthesizer device. There is no limit to the size
 *	of the extended events. These events are not queued but executed
 *	immediately when the write() is called (execution can take several
 *	seconds of time). 
 *
 *	When a SEQ_FULLSIZE message is written to the device, it must
 *	be written using exactly one write() call. Other events cannot
 *	be mixed to the same write.
 *	
 *	For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 
 *	/dev/sequencer. Don't write other data together with the instrument structure
 *	Set the key field of the structure to FM_PATCH. The device field is used to
 *	route the patch to the corresponding device.
 *
 *	For wave table use struct patch_info. Initialize the key field
 *      to WAVE_PATCH.
 */
#define SEQ_PRIVATE		0xfe	/* Low level HW dependent events (8 bytes) */
#define SEQ_EXTENDED		0xff	/* Extended events (8 bytes) OBSOLETE */

/*
 * Record for FM patches
 */

typedef unsigned char sbi_instr_data[32];

struct sbi_instrument {
		unsigned short	key;	/* FM_PATCH or OPL3_PATCH */
#define FM_PATCH	_PATCHKEY(0x01)
#define OPL3_PATCH	_PATCHKEY(0x03)
		short		device;		/*	Synth# (0-4)	*/
		int 		channel;	/*	Program# to be initialized 	*/
		sbi_instr_data	operators;	/*	Register settings for operator cells (.SBI format)	*/
	};

struct synth_info {	/* Read only */
		char	name[30];
		int	device;		/* 0-N. INITIALIZE BEFORE CALLING */
		int	synth_type;
#define SYNTH_TYPE_FM			0
#define SYNTH_TYPE_SAMPLE		1
#define SYNTH_TYPE_MIDI			2	/* Midi interface */

int	synth_subtype;
#define FM_TYPE_ADLIB			0x00
#define FM_TYPE_OPL3			0x01
#define MIDI_TYPE_MPU401		0x401

#define SAMPLE_TYPE_BASIC		0x10
#define SAMPLE_TYPE_GUS			SAMPLE_TYPE_BASIC
#define SAMPLE_TYPE_WAVEFRONT           0x11

int	perc_mode;	/* No longer supported */
		int	nr_voices;
		int	nr_drums;	/* Obsolete field */
		int	instr_bank_size;
		unsigned int	capabilities;	
#define SYNTH_CAP_PERCMODE		0x00000001 /* No longer used */
#define SYNTH_CAP_OPL3			0x00000002 /* Set if OPL3 supported */
#define SYNTH_CAP_INPUT			0x00000004 /* Input (MIDI) device */
		int	dummies[19];	/* Reserve space */
	};

struct sound_timer_info {
		char name[32];
		int caps;
	};

#define MIDI_CAP_MPU401		1		/* MPU-401 intelligent mode */

struct midi_info {
		char		name[30];
		int		device;		/* 0-N. INITIALIZE BEFORE CALLING */
		unsigned int	capabilities;	/* To be defined later */
		int		dev_type;
		int		dummies[18];	/* Reserve space */
	};

/********************************************
 * ioctl commands for the /dev/midi##
 */
typedef struct {
		unsigned char cmd;
		char nr_args, nr_returns;
		unsigned char data[30];
	} mpu_command_rec;

#define SNDCTL_MIDI_PRETIME		_SIOWR('m', 0, int)
#define SNDCTL_MIDI_MPUMODE		_SIOWR('m', 1, int)
#define SNDCTL_MIDI_MPUCMD		_SIOWR('m', 2, mpu_command_rec)

/********************************************
 * IOCTL commands for /dev/dsp and /dev/audio
 */

#define SNDCTL_DSP_RESET		_SIO  ('P', 0)
#define SNDCTL_DSP_SYNC			_SIO  ('P', 1)
#define SNDCTL_DSP_SPEED		_SIOWR('P', 2, int)
#define SNDCTL_DSP_STEREO		_SIOWR('P', 3, int)
#define SNDCTL_DSP_GETBLKSIZE		_SIOWR('P', 4, int)
#define SNDCTL_DSP_SAMPLESIZE		SNDCTL_DSP_SETFMT
#define SNDCTL_DSP_CHANNELS		_SIOWR('P', 6, int)
#define SOUND_PCM_WRITE_CHANNELS	SNDCTL_DSP_CHANNELS
#define SOUND_PCM_WRITE_FILTER		_SIOWR('P', 7, int)
#define SNDCTL_DSP_POST			_SIO  ('P', 8)
#define SNDCTL_DSP_SUBDIVIDE		_SIOWR('P', 9, int)
#define SNDCTL_DSP_SETFRAGMENT		_SIOWR('P',10, int)

/*	Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
#define SNDCTL_DSP_GETFMTS		_SIOR ('P',11, int) /* Returns a mask */
#define SNDCTL_DSP_SETFMT		_SIOWR('P',5, int) /* Selects ONE fmt*/
#	define AFMT_QUERY		0x00000000	/* Return current fmt */
#	define AFMT_MU_LAW		0x00000001
#	define AFMT_A_LAW		0x00000002
#	define AFMT_IMA_ADPCM		0x00000004
#	define AFMT_U8			0x00000008
#	define AFMT_S16_LE		0x00000010	/* Little endian signed 16*/
#	define AFMT_S16_BE		0x00000020	/* Big endian signed 16 */
#	define AFMT_S8			0x00000040
#	define AFMT_U16_LE		0x00000080	/* Little endian U16 */
#	define AFMT_U16_BE		0x00000100	/* Big endian U16 */
#	define AFMT_MPEG		0x00000200	/* MPEG (2) audio */
#	define AFMT_AC3		0x00000400	/* Dolby Digital AC3 */

/*
 * Buffer status queries.
 */
typedef struct audio_buf_info {
			int fragments;	/* # of available fragments (partially usend ones not counted) */
			int fragstotal;	/* Total # of fragments allocated */
			int fragsize;	/* Size of a fragment in bytes */

int bytes;	/* Available space in bytes (includes partially used fragments) */
			/* Note! 'bytes' could be more than fragments*fragsize */
		} audio_buf_info;

#define SNDCTL_DSP_GETOSPACE		_SIOR ('P',12, audio_buf_info)
#define SNDCTL_DSP_GETISPACE		_SIOR ('P',13, audio_buf_info)
#define SNDCTL_DSP_NONBLOCK		_SIO  ('P',14)
#define SNDCTL_DSP_GETCAPS		_SIOR ('P',15, int)
#	define DSP_CAP_REVISION		0x000000ff	/* Bits for revision level (0 to 255) */
#	define DSP_CAP_DUPLEX		0x00000100	/* Full duplex record/playback */
#	define DSP_CAP_REALTIME		0x00000200	/* Real time capability */
#	define DSP_CAP_BATCH		0x00000400	/* Device has some kind of */
							/* internal buffers which may */
							/* cause some delays and */
							/* decrease precision of timing */
#	define DSP_CAP_COPROC		0x00000800	/* Has a coprocessor */
							/* Sometimes it's a DSP */
							/* but usually not */
#	define DSP_CAP_TRIGGER		0x00001000	/* Supports SETTRIGGER */
#	define DSP_CAP_MMAP		0x00002000	/* Supports mmap() */
#	define DSP_CAP_MULTI		0x00004000	/* support multiple open */
#	define DSP_CAP_BIND		0x00008000	/* channel binding to front/rear/cneter/lfe */

#define SNDCTL_DSP_GETTRIGGER		_SIOR ('P',16, int)
#define SNDCTL_DSP_SETTRIGGER		_SIOW ('P',16, int)
#	define PCM_ENABLE_INPUT		0x00000001
#	define PCM_ENABLE_OUTPUT		0x00000002

typedef struct count_info {
		int bytes;	/* Total # of bytes processed */
		int blocks;	/* # of fragment transitions since last time */
		int ptr;	/* Current DMA pointer value */
	} count_info;

#define SNDCTL_DSP_GETIPTR		_SIOR ('P',17, count_info)
#define SNDCTL_DSP_GETOPTR		_SIOR ('P',18, count_info)

typedef struct buffmem_desc {
		unsigned *buffer;
		int size;
	} buffmem_desc;
#define SNDCTL_DSP_MAPINBUF		_SIOR ('P', 19, buffmem_desc)
#define SNDCTL_DSP_MAPOUTBUF		_SIOR ('P', 20, buffmem_desc)
#define SNDCTL_DSP_SETSYNCRO		_SIO  ('P', 21)
#define SNDCTL_DSP_SETDUPLEX		_SIO  ('P', 22)
#define SNDCTL_DSP_GETODELAY		_SIOR ('P', 23, int)

#define SNDCTL_DSP_GETCHANNELMASK		_SIOWR('P', 64, int)
#define SNDCTL_DSP_BIND_CHANNEL		_SIOWR('P', 65, int)
#	define DSP_BIND_QUERY		0x00000000
#	define DSP_BIND_FRONT		0x00000001
#	define DSP_BIND_SURR		0x00000002
#	define DSP_BIND_CENTER_LFE	0x00000004
#	define DSP_BIND_HANDSET		0x00000008
#	define DSP_BIND_MIC		0x00000010
#	define DSP_BIND_MODEM1		0x00000020
#	define DSP_BIND_MODEM2		0x00000040
#	define DSP_BIND_I2S		0x00000080
#	define DSP_BIND_SPDIF		0x00000100

#define SNDCTL_DSP_SETSPDIF		_SIOW ('P', 66, int)
#define SNDCTL_DSP_GETSPDIF		_SIOR ('P', 67, int)
#	define SPDIF_PRO	0x0001
#	define SPDIF_N_AUD	0x0002
#	define SPDIF_COPY	0x0004
#	define SPDIF_PRE	0x0008
#	define SPDIF_CC		0x07f0
#	define SPDIF_L		0x0800
#	define SPDIF_DRS	0x4000
#	define SPDIF_V		0x8000

/*
 * Application's profile defines the way how playback underrun situations should be handled.
 * 
 *	APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
 *	playback buffer whenever an underrun occurs. This consumes some time
 *	prevents looping the existing buffer.
 *	APF_CPUINTENS is intended to be set by CPU intensive applications which
 *	are likely to run out of time occasionally. In this mode the buffer cleanup is
 *	disabled which saves CPU time but also let's the previous buffer content to
 *	be played during the "pause" after the underrun.
 */
#define SNDCTL_DSP_PROFILE		_SIOW ('P', 23, int)
#define	  APF_NORMAL	0	/* Normal applications */
#define	  APF_NETWORK	1	/* Underruns probably caused by an "external" delay */
#define   APF_CPUINTENS 2	/* Underruns probably caused by "overheating" the CPU */

#define SOUND_PCM_READ_RATE		_SIOR ('P', 2, int)
#define SOUND_PCM_READ_CHANNELS		_SIOR ('P', 6, int)
#define SOUND_PCM_READ_BITS		_SIOR ('P', 5, int)
#define SOUND_PCM_READ_FILTER		_SIOR ('P', 7, int)

/* Some alias names */
#define SOUND_PCM_WRITE_BITS		SNDCTL_DSP_SETFMT
#define SOUND_PCM_WRITE_RATE		SNDCTL_DSP_SPEED
#define SOUND_PCM_POST			SNDCTL_DSP_POST
#define SOUND_PCM_RESET			SNDCTL_DSP_RESET
#define SOUND_PCM_SYNC			SNDCTL_DSP_SYNC
#define SOUND_PCM_SUBDIVIDE		SNDCTL_DSP_SUBDIVIDE
#define SOUND_PCM_SETFRAGMENT		SNDCTL_DSP_SETFRAGMENT
#define SOUND_PCM_GETFMTS		SNDCTL_DSP_GETFMTS
#define SOUND_PCM_SETFMT		SNDCTL_DSP_SETFMT
#define SOUND_PCM_GETOSPACE		SNDCTL_DSP_GETOSPACE
#define SOUND_PCM_GETISPACE		SNDCTL_DSP_GETISPACE
#define SOUND_PCM_NONBLOCK		SNDCTL_DSP_NONBLOCK
#define SOUND_PCM_GETCAPS		SNDCTL_DSP_GETCAPS
#define SOUND_PCM_GETTRIGGER		SNDCTL_DSP_GETTRIGGER
#define SOUND_PCM_SETTRIGGER		SNDCTL_DSP_SETTRIGGER
#define SOUND_PCM_SETSYNCRO		SNDCTL_DSP_SETSYNCRO
#define SOUND_PCM_GETIPTR		SNDCTL_DSP_GETIPTR
#define SOUND_PCM_GETOPTR		SNDCTL_DSP_GETOPTR
#define SOUND_PCM_MAPINBUF		SNDCTL_DSP_MAPINBUF
#define SOUND_PCM_MAPOUTBUF		SNDCTL_DSP_MAPOUTBUF

/*
 * ioctl calls to be used in communication with coprocessors and
 * DSP chips.
 */

typedef struct copr_buffer {
		int command;	/* Set to 0 if not used */
		int flags;
#define CPF_NONE		0x0000
#define CPF_FIRST		0x0001	/* First block */
#define CPF_LAST		0x0002	/* Last block */
		int len;
		int offs;	/* If required by the device (0 if not used) */

unsigned char data[4000]; /* NOTE! 4000 is not 4k */
	} copr_buffer;

typedef struct copr_debug_buf {
		int command;	/* Used internally. Set to 0 */
		int parm1;
		int parm2;
		int flags;	
		int len;	/* Length of data in bytes */
	} copr_debug_buf;

typedef struct copr_msg {
		int len;
		unsigned char data[4000];
	} copr_msg;

#define SNDCTL_COPR_RESET             _SIO  ('C',  0)
#define SNDCTL_COPR_LOAD	      _SIOWR('C',  1, copr_buffer)
#define SNDCTL_COPR_RDATA	      _SIOWR('C',  2, copr_debug_buf)
#define SNDCTL_COPR_RCODE	      _SIOWR('C',  3, copr_debug_buf)
#define SNDCTL_COPR_WDATA	      _SIOW ('C',  4, copr_debug_buf)
#define SNDCTL_COPR_WCODE	      _SIOW ('C',  5, copr_debug_buf)
#define SNDCTL_COPR_RUN		      _SIOWR('C',  6, copr_debug_buf)
#define SNDCTL_COPR_HALT	      _SIOWR('C',  7, copr_debug_buf)
#define SNDCTL_COPR_SENDMSG	      _SIOWR('C',  8, copr_msg)
#define SNDCTL_COPR_RCVMSG	      _SIOR ('C',  9, copr_msg)

/*********************************************
 * IOCTL commands for /dev/mixer
 */
	
/* 
 * Mixer devices
 *
 * There can be up to 20 different analog mixer channels. The
 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 
 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
 * the devices supported by the particular mixer.
 */

#define SOUND_MIXER_NRDEVICES	25
#define SOUND_MIXER_VOLUME	0
#define SOUND_MIXER_BASS	1
#define SOUND_MIXER_TREBLE	2
#define SOUND_MIXER_SYNTH	3
#define SOUND_MIXER_PCM		4
#define SOUND_MIXER_SPEAKER	5
#define SOUND_MIXER_LINE	6
#define SOUND_MIXER_MIC		7
#define SOUND_MIXER_CD		8
#define SOUND_MIXER_IMIX	9	/*  Recording monitor  */
#define SOUND_MIXER_ALTPCM	10
#define SOUND_MIXER_RECLEV	11	/* Recording level */
#define SOUND_MIXER_IGAIN	12	/* Input gain */
#define SOUND_MIXER_OGAIN	13	/* Output gain */
/* 
 * The AD1848 codec and compatibles have three line level inputs
 * (line, aux1 and aux2). Since each card manufacturer have assigned
 * different meanings to these inputs, it's inpractical to assign
 * specific meanings (line, cd, synth etc.) to them.
 */
#define SOUND_MIXER_LINE1	14	/* Input source 1  (aux1) */
#define SOUND_MIXER_LINE2	15	/* Input source 2  (aux2) */
#define SOUND_MIXER_LINE3	16	/* Input source 3  (line) */
#define SOUND_MIXER_DIGITAL1	17	/* Digital (input) 1 */
#define SOUND_MIXER_DIGITAL2	18	/* Digital (input) 2 */
#define SOUND_MIXER_DIGITAL3	19	/* Digital (input) 3 */
#define SOUND_MIXER_PHONEIN	20	/* Phone input */
#define SOUND_MIXER_PHONEOUT	21	/* Phone output */
#define SOUND_MIXER_VIDEO	22	/* Video/TV (audio) in */
#define SOUND_MIXER_RADIO	23	/* Radio in */
#define SOUND_MIXER_MONITOR	24	/* Monitor (usually mic) volume */

/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
#define SOUND_ONOFF_MIN		28
#define SOUND_ONOFF_MAX		30

/* Note!	Number 31 cannot be used since the sign bit is reserved */
#define SOUND_MIXER_NONE	31

/*
 * The following unsupported macros are no longer functional.
 * Use SOUND_MIXER_PRIVATE# macros in future.
 */
#define SOUND_MIXER_ENHANCE	SOUND_MIXER_NONE
#define SOUND_MIXER_MUTE	SOUND_MIXER_NONE
#define SOUND_MIXER_LOUD	SOUND_MIXER_NONE

#define SOUND_DEVICE_LABELS	{"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
				 "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
				 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
				 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}

#define SOUND_DEVICE_NAMES	{"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
				 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
				 "line1", "line2", "line3", "dig1", "dig2", "dig3", \
				 "phin", "phout", "video", "radio", "monitor"}

/*	Device bitmask identifiers	*/

#define SOUND_MIXER_RECSRC	0xff	/* Arg contains a bit for each recording source */
#define SOUND_MIXER_DEVMASK	0xfe	/* Arg contains a bit for each supported device */
#define SOUND_MIXER_RECMASK	0xfd	/* Arg contains a bit for each supported recording source */
#define SOUND_MIXER_CAPS	0xfc
#	define SOUND_CAP_EXCL_INPUT	0x00000001	/* Only one recording source at a time */
#define SOUND_MIXER_STEREODEVS	0xfb	/* Mixer channels supporting stereo */
#define SOUND_MIXER_OUTSRC	0xfa	/* Arg contains a bit for each input source to output */
#define SOUND_MIXER_OUTMASK	0xf9	/* Arg contains a bit for each supported input source to output */

/*	Device mask bits	*/

#define SOUND_MASK_VOLUME	(1 << SOUND_MIXER_VOLUME)
#define SOUND_MASK_BASS		(1 << SOUND_MIXER_BASS)
#define SOUND_MASK_TREBLE	(1 << SOUND_MIXER_TREBLE)
#define SOUND_MASK_SYNTH	(1 << SOUND_MIXER_SYNTH)
#define SOUND_MASK_PCM		(1 << SOUND_MIXER_PCM)
#define SOUND_MASK_SPEAKER	(1 << SOUND_MIXER_SPEAKER)
#define SOUND_MASK_LINE		(1 << SOUND_MIXER_LINE)
#define SOUND_MASK_MIC		(1 << SOUND_MIXER_MIC)
#define SOUND_MASK_CD		(1 << SOUND_MIXER_CD)
#define SOUND_MASK_IMIX		(1 << SOUND_MIXER_IMIX)
#define SOUND_MASK_ALTPCM	(1 << SOUND_MIXER_ALTPCM)
#define SOUND_MASK_RECLEV	(1 << SOUND_MIXER_RECLEV)
#define SOUND_MASK_IGAIN	(1 << SOUND_MIXER_IGAIN)
#define SOUND_MASK_OGAIN	(1 << SOUND_MIXER_OGAIN)
#define SOUND_MASK_LINE1	(1 << SOUND_MIXER_LINE1)
#define SOUND_MASK_LINE2	(1 << SOUND_MIXER_LINE2)
#define SOUND_MASK_LINE3	(1 << SOUND_MIXER_LINE3)
#define SOUND_MASK_DIGITAL1	(1 << SOUND_MIXER_DIGITAL1)
#define SOUND_MASK_DIGITAL2	(1 << SOUND_MIXER_DIGITAL2)
#define SOUND_MASK_DIGITAL3	(1 << SOUND_MIXER_DIGITAL3)
#define SOUND_MASK_PHONEIN	(1 << SOUND_MIXER_PHONEIN)
#define SOUND_MASK_PHONEOUT	(1 << SOUND_MIXER_PHONEOUT)
#define SOUND_MASK_RADIO	(1 << SOUND_MIXER_RADIO)
#define SOUND_MASK_VIDEO	(1 << SOUND_MIXER_VIDEO)
#define SOUND_MASK_MONITOR	(1 << SOUND_MIXER_MONITOR)

/* Obsolete macros */
#define SOUND_MASK_MUTE		(1 << SOUND_MIXER_MUTE)
#define SOUND_MASK_ENHANCE	(1 << SOUND_MIXER_ENHANCE)
#define SOUND_MASK_LOUD		(1 << SOUND_MIXER_LOUD)

#define MIXER_READ(dev)		_SIOR('M', dev, int)
#define SOUND_MIXER_READ_VOLUME		MIXER_READ(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_READ_BASS		MIXER_READ(SOUND_MIXER_BASS)
#define SOUND_MIXER_READ_TREBLE		MIXER_READ(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_READ_SYNTH		MIXER_READ(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_READ_PCM		MIXER_READ(SOUND_MIXER_PCM)
#define SOUND_MIXER_READ_SPEAKER	MIXER_READ(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_READ_LINE		MIXER_READ(SOUND_MIXER_LINE)
#define SOUND_MIXER_READ_MIC		MIXER_READ(SOUND_MIXER_MIC)
#define SOUND_MIXER_READ_CD		MIXER_READ(SOUND_MIXER_CD)
#define SOUND_MIXER_READ_IMIX		MIXER_READ(SOUND_MIXER_IMIX)
#define SOUND_MIXER_READ_ALTPCM		MIXER_READ(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_READ_RECLEV		MIXER_READ(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_READ_IGAIN		MIXER_READ(SOUND_MIXER_IGAIN)
#define SOUND_MIXER_READ_OGAIN		MIXER_READ(SOUND_MIXER_OGAIN)
#define SOUND_MIXER_READ_LINE1		MIXER_READ(SOUND_MIXER_LINE1)
#define SOUND_MIXER_READ_LINE2		MIXER_READ(SOUND_MIXER_LINE2)
#define SOUND_MIXER_READ_LINE3		MIXER_READ(SOUND_MIXER_LINE3)

/* Obsolete macros */
#define SOUND_MIXER_READ_MUTE		MIXER_READ(SOUND_MIXER_MUTE)
#define SOUND_MIXER_READ_ENHANCE	MIXER_READ(SOUND_MIXER_ENHANCE)
#define SOUND_MIXER_READ_LOUD		MIXER_READ(SOUND_MIXER_LOUD)

#define SOUND_MIXER_READ_RECSRC		MIXER_READ(SOUND_MIXER_RECSRC)
#define SOUND_MIXER_READ_DEVMASK	MIXER_READ(SOUND_MIXER_DEVMASK)
#define SOUND_MIXER_READ_RECMASK	MIXER_READ(SOUND_MIXER_RECMASK)
#define SOUND_MIXER_READ_STEREODEVS	MIXER_READ(SOUND_MIXER_STEREODEVS)
#define SOUND_MIXER_READ_CAPS		MIXER_READ(SOUND_MIXER_CAPS)

#define MIXER_WRITE(dev)		_SIOWR('M', dev, int)
#define SOUND_MIXER_WRITE_VOLUME	MIXER_WRITE(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_WRITE_BASS		MIXER_WRITE(SOUND_MIXER_BASS)
#define SOUND_MIXER_WRITE_TREBLE	MIXER_WRITE(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_WRITE_SYNTH		MIXER_WRITE(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_WRITE_PCM		MIXER_WRITE(SOUND_MIXER_PCM)
#define SOUND_MIXER_WRITE_SPEAKER	MIXER_WRITE(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_WRITE_LINE		MIXER_WRITE(SOUND_MIXER_LINE)
#define SOUND_MIXER_WRITE_MIC		MIXER_WRITE(SOUND_MIXER_MIC)
#define SOUND_MIXER_WRITE_CD		MIXER_WRITE(SOUND_MIXER_CD)
#define SOUND_MIXER_WRITE_IMIX		MIXER_WRITE(SOUND_MIXER_IMIX)
#define SOUND_MIXER_WRITE_ALTPCM	MIXER_WRITE(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_WRITE_RECLEV	MIXER_WRITE(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_WRITE_IGAIN		MIXER_WRITE(SOUND_MIXER_IGAIN)
#define SOUND_MIXER_WRITE_OGAIN		MIXER_WRITE(SOUND_MIXER_OGAIN)
#define SOUND_MIXER_WRITE_LINE1		MIXER_WRITE(SOUND_MIXER_LINE1)
#define SOUND_MIXER_WRITE_LINE2		MIXER_WRITE(SOUND_MIXER_LINE2)
#define SOUND_MIXER_WRITE_LINE3		MIXER_WRITE(SOUND_MIXER_LINE3)

/* Obsolete macros */
#define SOUND_MIXER_WRITE_MUTE		MIXER_WRITE(SOUND_MIXER_MUTE)
#define SOUND_MIXER_WRITE_ENHANCE	MIXER_WRITE(SOUND_MIXER_ENHANCE)
#define SOUND_MIXER_WRITE_LOUD		MIXER_WRITE(SOUND_MIXER_LOUD)

#define SOUND_MIXER_WRITE_RECSRC	MIXER_WRITE(SOUND_MIXER_RECSRC)

typedef struct mixer_info
{
  char id[16];
  char name[32];
  int  modify_counter;
  int fillers[10];
} mixer_info;

typedef struct _old_mixer_info /* Obsolete */
{
  char id[16];
  char name[32];
} _old_mixer_info;

#define SOUND_MIXER_INFO		_SIOR ('M', 101, mixer_info)
#define SOUND_OLD_MIXER_INFO		_SIOR ('M', 101, _old_mixer_info)

/*
 * A mechanism for accessing "proprietary" mixer features. This method
 * permits passing 128 bytes of arbitrary data between a mixer application
 * and the mixer driver. Interpretation of the record is defined by
 * the particular mixer driver.
 */
typedef unsigned char mixer_record[128];

#define SOUND_MIXER_ACCESS		_SIOWR('M', 102, mixer_record)

/*
 * Two ioctls for special souncard function
 */
#define SOUND_MIXER_AGC  _SIOWR('M', 103, int)
#define SOUND_MIXER_3DSE  _SIOWR('M', 104, int)

/*
 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
 * These features can be used when accessing device specific features.
 */
#define SOUND_MIXER_PRIVATE1		_SIOWR('M', 111, int)
#define SOUND_MIXER_PRIVATE2		_SIOWR('M', 112, int)
#define SOUND_MIXER_PRIVATE3		_SIOWR('M', 113, int)
#define SOUND_MIXER_PRIVATE4		_SIOWR('M', 114, int)
#define SOUND_MIXER_PRIVATE5		_SIOWR('M', 115, int)

/*
 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
 * for querying current mixer settings from the driver and for loading
 * default volume settings _prior_ activating the mixer (loading
 * doesn't affect current state of the mixer hardware). These calls
 * are for internal use only.
 */

typedef struct mixer_vol_table {
  int num;	/* Index to volume table */
  char name[32];
  int levels[32];
} mixer_vol_table;

#define SOUND_MIXER_GETLEVELS		_SIOWR('M', 116, mixer_vol_table)
#define SOUND_MIXER_SETLEVELS		_SIOWR('M', 117, mixer_vol_table)

/* 
 * An ioctl for identifying the driver version. It will return value
 * of the SOUND_VERSION macro used when compiling the driver.
 * This call was introduced in OSS version 3.6 and it will not work
 * with earlier versions (returns EINVAL).
 */
#define OSS_GETVERSION			_SIOR ('M', 118, int)

/*
 * Level 2 event types for /dev/sequencer
 */

/*
 * The 4 most significant bits of byte 0 specify the class of
 * the event: 
 *
 *	0x8X = system level events,
 *	0x9X = device/port specific events, event[1] = device/port,
 *		The last 4 bits give the subtype:
 *			0x02	= Channel event (event[3] = chn).
 *			0x01	= note event (event[4] = note).
 *			(0x01 is not used alone but always with bit 0x02).
 *	       event[2] = MIDI message code (0x80=note off etc.)
 *
 */

#define EV_SEQ_LOCAL		0x80
#define EV_TIMING		0x81
#define EV_CHN_COMMON		0x92
#define EV_CHN_VOICE		0x93
#define EV_SYSEX		0x94
/*
 * Event types 200 to 220 are reserved for application use.
 * These numbers will not be used by the driver.
 */

/*
 * Events for event type EV_CHN_VOICE
 */

#define MIDI_NOTEOFF		0x80
#define MIDI_NOTEON		0x90
#define MIDI_KEY_PRESSURE	0xA0

/*
 * Events for event type EV_CHN_COMMON
 */

#define MIDI_CTL_CHANGE		0xB0
#define MIDI_PGM_CHANGE		0xC0
#define MIDI_CHN_PRESSURE	0xD0
#define MIDI_PITCH_BEND		0xE0

#define MIDI_SYSTEM_PREFIX	0xF0

/*
 * Timer event types
 */
#define TMR_WAIT_REL		1	/* Time relative to the prev time */
#define TMR_WAIT_ABS		2	/* Absolute time since TMR_START */
#define TMR_STOP		3
#define TMR_START		4
#define TMR_CONTINUE		5
#define TMR_TEMPO		6
#define TMR_ECHO		8
#define TMR_CLOCK		9	/* MIDI clock */
#define TMR_SPP			10	/* Song position pointer */
#define TMR_TIMESIG		11	/* Time signature */

/*
 *	Local event types
 */
#define LOCL_STARTAUDIO		1

/*
 *	Some convenience macros to simplify programming of the
 *	/dev/sequencer interface
 *
 *	This is a legacy interface for applications written against
 *	the OSSlib-3.8 style interface. It is no longer possible
 *	to actually link against OSSlib with this header, but we
 *	still provide these macros for programs using them.
 *
 *	If you want to use OSSlib, it is recommended that you get
 *	the GPL version of OSS-4.x and build against that version
 *	of the header.
 *
 *	We redefine the extern keyword so that make headers_check
 *	does not complain about SEQ_USE_EXTBUF.
 */
#define SEQ_DECLAREBUF()		SEQ_USE_EXTBUF()

void seqbuf_dump(void);	/* This function must be provided by programs */

#define SEQ_PM_DEFINES int __foo_bar___

#define SEQ_LOAD_GMINSTR(dev, instr)
#define SEQ_LOAD_GMDRUM(dev, drum)

#define _SEQ_EXTERN extern
#define SEQ_USE_EXTBUF() \
		_SEQ_EXTERN unsigned char _seqbuf[]; \
		_SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr

#ifndef USE_SIMPLE_MACROS
/* Sample seqbuf_dump() implementation:
 *
 *	SEQ_DEFINEBUF (2048);	-- Defines a buffer for 2048 bytes
 *
 *	int seqfd;		-- The file descriptor for /dev/sequencer.
 *
 *	void
 *	seqbuf_dump ()
 *	{
 *	  if (_seqbufptr)
 *	    if (write (seqfd, _seqbuf, _seqbufptr) == -1)
 *	      {
 *		perror ("write /dev/sequencer");
 *		exit (-1);
 *	      }
 *	  _seqbufptr = 0;
 *	}
 */

#define SEQ_DEFINEBUF(len)		unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
#define _SEQ_NEEDBUF(len)		if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
#define _SEQ_ADVBUF(len)		_seqbufptr += len
#define SEQ_DUMPBUF			seqbuf_dump
#else
/*
 * This variation of the sequencer macros is used just to format one event
 * using fixed buffer.
 * 
 * The program using the macro library must define the following macros before
 * using this library.
 *
 * #define _seqbuf 		 name of the buffer (unsigned char[]) 
 * #define _SEQ_ADVBUF(len)	 If the applic needs to know the exact
 *				 size of the event, this macro can be used.
 *				 Otherwise this must be defined as empty.
 * #define _seqbufptr		 Define the name of index variable or 0 if
 *				 not required. 
 */
#define _SEQ_NEEDBUF(len)	/* empty */
#endif

#define SEQ_VOLUME_MODE(dev, mode)	{_SEQ_NEEDBUF(8);\
					_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
					_seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
					_seqbuf[_seqbufptr+2] = (dev);\
					_seqbuf[_seqbufptr+3] = (mode);\
					_seqbuf[_seqbufptr+4] = 0;\
					_seqbuf[_seqbufptr+5] = 0;\
					_seqbuf[_seqbufptr+6] = 0;\
					_seqbuf[_seqbufptr+7] = 0;\
					_SEQ_ADVBUF(8);}

/*
 * Midi voice messages
 */

#define _CHN_VOICE(dev, event, chn, note, parm) \
					{_SEQ_NEEDBUF(8);\
					_seqbuf[_seqbufptr] = EV_CHN_VOICE;\
					_seqbuf[_seqbufptr+1] = (dev);\
					_seqbuf[_seqbufptr+2] = (event);\
					_seqbuf[_seqbufptr+3] = (chn);\
					_seqbuf[_seqbufptr+4] = (note);\
					_seqbuf[_seqbufptr+5] = (parm);\
					_seqbuf[_seqbufptr+6] = (0);\
					_seqbuf[_seqbufptr+7] = 0;\
					_SEQ_ADVBUF(8);}

#define SEQ_START_NOTE(dev, chn, note, vol) \
		_CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)

#define SEQ_STOP_NOTE(dev, chn, note, vol) \
		_CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)

#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
		_CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)

/*
 * Midi channel messages
 */

#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
					{_SEQ_NEEDBUF(8);\
					_seqbuf[_seqbufptr] = EV_CHN_COMMON;\
					_seqbuf[_seqbufptr+1] = (dev);\
					_seqbuf[_seqbufptr+2] = (event);\
					_seqbuf[_seqbufptr+3] = (chn);\
					_seqbuf[_seqbufptr+4] = (p1);\
					_seqbuf[_seqbufptr+5] = (p2);\
					*(short *)&_seqbuf[_seqbufptr+6] = (w14);\
					_SEQ_ADVBUF(8);}
/*
 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
 * sending any MIDI bytes but it's absolutely not possible. Trying to do
 * so _will_ cause problems with MPU401 intelligent mode).
 *
 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 
 * sent by calling SEQ_SYSEX() several times (there must be no other events
 * between them). First sysex fragment must have 0xf0 in the first byte
 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
 * between these sysex start and end markers cannot be larger than 0x7f. Also
 * lengths of each fragments (except the last one) must be 6.
 *
 * Breaking the above rules may work with some MIDI ports but is likely to
 * cause fatal problems with some other devices (such as MPU401).
 */
#define SEQ_SYSEX(dev, buf, len) \
					{int ii, ll=(len); \
					 unsigned char *bufp=buf;\
					 if (ll>6)ll=6;\
					_SEQ_NEEDBUF(8);\
					_seqbuf[_seqbufptr] = EV_SYSEX;\
					_seqbuf[_seqbufptr+1] = (dev);\
					for(ii=0;ii<ll;ii++)\
					   _seqbuf[_seqbufptr+ii+2] = bufp[ii];\
					for(ii=ll;ii<6;ii++)\
					   _seqbuf[_seqbufptr+ii+2] = 0xff;\
					_SEQ_ADVBUF(8);}

#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
		_CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)

#define SEQ_SET_PATCH SEQ_PGM_CHANGE
#define SEQ_PGM_CHANGE(dev, chn, patch) \
		_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)

#define SEQ_CONTROL(dev, chn, controller, value) \
		_CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)

#define SEQ_BENDER(dev, chn, value) \
		_CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)

#define SEQ_V2_X_CONTROL(dev, voice, controller, value)	{_SEQ_NEEDBUF(8);\
					_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
					_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
					_seqbuf[_seqbufptr+2] = (dev);\
					_seqbuf[_seqbufptr+3] = (voice);\
					_seqbuf[_seqbufptr+4] = (controller);\
					_seqbuf[_seqbufptr+5] = ((value)&0xff);\
					_seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
					_seqbuf[_seqbufptr+7] = 0;\
					_SEQ_ADVBUF(8);}
/*
 * The following 5 macros are incorrectly implemented and obsolete.
 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
 */
#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)

/*
 * Timing and synchronization macros
 */

#define _TIMER_EVENT(ev, parm)		{_SEQ_NEEDBUF(8);\
				 	_seqbuf[_seqbufptr+0] = EV_TIMING; \
				 	_seqbuf[_seqbufptr+1] = (ev); \
					_seqbuf[_seqbufptr+2] = 0;\
					_seqbuf[_seqbufptr+3] = 0;\
				 	*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
					_SEQ_ADVBUF(8);}

#define SEQ_START_TIMER()		_TIMER_EVENT(TMR_START, 0)
#define SEQ_STOP_TIMER()		_TIMER_EVENT(TMR_STOP, 0)
#define SEQ_CONTINUE_TIMER()		_TIMER_EVENT(TMR_CONTINUE, 0)
#define SEQ_WAIT_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_ABS, ticks)
#define SEQ_DELTA_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_REL, ticks)
#define SEQ_ECHO_BACK(key)		_TIMER_EVENT(TMR_ECHO, key)
#define SEQ_SET_TEMPO(value)		_TIMER_EVENT(TMR_TEMPO, value)
#define SEQ_SONGPOS(pos)		_TIMER_EVENT(TMR_SPP, pos)
#define SEQ_TIME_SIGNATURE(sig)		_TIMER_EVENT(TMR_TIMESIG, sig)

/*
 * Local control events
 */

#define _LOCAL_EVENT(ev, parm)		{_SEQ_NEEDBUF(8);\
				 	_seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
				 	_seqbuf[_seqbufptr+1] = (ev); \
					_seqbuf[_seqbufptr+2] = 0;\
					_seqbuf[_seqbufptr+3] = 0;\
				 	*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
					_SEQ_ADVBUF(8);}

#define SEQ_PLAYAUDIO(devmask)		_LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
/*
 * Events for the level 1 interface only 
 */

#define SEQ_MIDIOUT(device, byte)	{_SEQ_NEEDBUF(4);\
					_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
					_seqbuf[_seqbufptr+1] = (byte);\
					_seqbuf[_seqbufptr+2] = (device);\
					_seqbuf[_seqbufptr+3] = 0;\
					_SEQ_ADVBUF(4);}

/*
 * Patch loading.
 */
#define SEQ_WRPATCH(patchx, len) \
		{if (_seqbufptr) SEQ_DUMPBUF();\
		 if (write(seqfd, (char*)(patchx), len)==-1) \
		    perror("Write patch: /dev/sequencer");}
#define SEQ_WRPATCH2(patchx, len) \
		(SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))

#endif /* SOUNDCARD_H */

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