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4641 lines
122 KiB
4641 lines
122 KiB
/*
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* OSS driver for Linux 2.[46].x for
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*
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* Trident 4D-Wave
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* SiS 7018
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* ALi 5451
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* Tvia/IGST CyberPro 5050
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*
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* Driver: Alan Cox <alan@redhat.com>
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*
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* Built from:
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* Low level code: <audio@tridentmicro.com> from ALSA
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* Framework: Thomas Sailer <sailer@ife.ee.ethz.ch>
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* Extended by: Zach Brown <zab@redhat.com>
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*
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* Hacked up by:
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* Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
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* Ollie Lho <ollie@sis.com.tw> SiS 7018 Audio Core Support
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* Ching-Ling Lee <cling-li@ali.com.tw> ALi 5451 Audio Core Support
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* Matt Wu <mattwu@acersoftech.com.cn> ALi 5451 Audio Core Support
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* Peter Wächtler <pwaechtler@loewe-komp.de> CyberPro5050 support
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* Muli Ben-Yehuda <mulix@mulix.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* History
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* v0.14.10j
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* January 3 2004 Eugene Teo <eugeneteo@eugeneteo.net>
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* minor cleanup to use pr_debug instead of TRDBG since it is already
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* defined in linux/kernel.h.
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* v0.14.10i
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* December 29 2003 Muli Ben-Yehuda <mulix@mulix.org>
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* major cleanup for 2.6, fix a few error patch buglets
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* with returning without properly cleaning up first,
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* get rid of lock_kernel().
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* v0.14.10h
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* Sept 10 2002 Pascal Schmidt <der.eremit@email.de>
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* added support for ALi 5451 joystick port
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* v0.14.10g
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* Sept 05 2002 Alan Cox <alan@redhat.com>
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* adapt to new pci joystick attachment interface
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* v0.14.10f
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* July 24 2002 Muli Ben-Yehuda <mulix@actcom.co.il>
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* patch from Eric Lemar (via Ian Soboroff): in suspend and resume,
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* fix wrong cast from pci_dev* to struct trident_card*.
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* v0.14.10e
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* July 19 2002 Muli Ben-Yehuda <mulix@actcom.co.il>
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* rewrite the DMA buffer allocation/deallcoation functions, to make it
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* modular and fix a bug where we would call free_pages on memory
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* obtained with pci_alloc_consistent. Also remove unnecessary #ifdef
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* CONFIG_PROC_FS and various other cleanups.
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* v0.14.10d
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* July 19 2002 Muli Ben-Yehuda <mulix@actcom.co.il>
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* made several printk(KERN_NOTICE...) into TRDBG(...), to avoid spamming
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* my syslog with hundreds of messages.
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* v0.14.10c
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* July 16 2002 Muli Ben-Yehuda <mulix@actcom.co.il>
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* Cleaned up Lei Hu's 0.4.10 driver to conform to Documentation/CodingStyle
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* and the coding style used in the rest of the file.
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* v0.14.10b
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* June 23 2002 Muli Ben-Yehuda <mulix@actcom.co.il>
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* add a missing unlock_set_fmt, remove a superflous lock/unlock pair
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* with nothing in between.
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* v0.14.10a
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* June 21 2002 Muli Ben-Yehuda <mulix@actcom.co.il>
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* use a debug macro instead of #ifdef CONFIG_DEBUG, trim to 80 columns
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* per line, use 'do {} while (0)' in statement macros.
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* v0.14.10
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* June 6 2002 Lei Hu <Lei_hu@ali.com.tw>
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* rewrite the part to read/write registers of audio codec for Ali5451
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* v0.14.9e
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* January 2 2002 Vojtech Pavlik <vojtech@ucw.cz> added gameport
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* support to avoid resource conflict with pcigame.c
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* v0.14.9d
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* October 8 2001 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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* use set_current_state, properly release resources on failure in
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* trident_probe, get rid of check_region
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* v0.14.9c
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* August 10 2001 Peter Wächtler <pwaechtler@loewe-komp.de>
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* added support for Tvia (formerly Integraphics/IGST) CyberPro5050
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* this chip is often found in settop boxes (combined video+audio)
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* v0.14.9b
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* Switch to static inline not extern inline (gcc 3)
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* v0.14.9a
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* Aug 6 2001 Alan Cox
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* 0.14.9 crashed on rmmod due to a timer/bh left running. Simplified
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* the existing logic (the BH doesn't help as ac97 is lock_irqsave)
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* and used del_timer_sync to clean up
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* Fixed a problem where the ALi change broke my generic card
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* v0.14.9
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* Jul 10 2001 Matt Wu
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* Add H/W Volume Control
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* v0.14.8a
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* July 7 2001 Alan Cox
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* Moved Matt Wu's ac97 register cache into the card structure
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* v0.14.8
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* Apr 30 2001 Matt Wu
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* Set EBUF1 and EBUF2 to still mode
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* Add dc97/ac97 reset function
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* Fix power management: ali_restore_regs
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* unreleased
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* Mar 09 2001 Matt Wu
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* Add cache for ac97 access
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* v0.14.7
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* Feb 06 2001 Matt Wu
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* Fix ac97 initialization
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* Fix bug: an extra tail will be played when playing
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* Jan 05 2001 Matt Wu
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* Implement multi-channels and S/PDIF in support for ALi 1535+
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* v0.14.6
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* Nov 1 2000 Ching-Ling Lee
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* Fix the bug of memory leak when switching 5.1-channels to 2 channels.
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* Add lock protection into dynamic changing format of data.
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* Oct 18 2000 Ching-Ling Lee
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* 5.1-channels support for ALi
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* June 28 2000 Ching-Ling Lee
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* S/PDIF out/in(playback/record) support for ALi 1535+, using /proc to be selected by user
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* Simple Power Management support for ALi
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* v0.14.5 May 23 2000 Ollie Lho
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* Misc bug fix from the Net
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* v0.14.4 May 20 2000 Aaron Holtzman
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* Fix kfree'd memory access in release
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* Fix race in open while looking for a free virtual channel slot
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* remove open_wait wq (which appears to be unused)
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* v0.14.3 May 10 2000 Ollie Lho
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* fixed a small bug in trident_update_ptr, xmms 1.0.1 no longer uses 100% CPU
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* v0.14.2 Mar 29 2000 Ching-Ling Lee
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* Add clear to silence advance in trident_update_ptr
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* fix invalid data of the end of the sound
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* v0.14.1 Mar 24 2000 Ching-Ling Lee
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* ALi 5451 support added, playback and recording O.K.
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* ALi 5451 originally developed and structured based on sonicvibes, and
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* suggested to merge into this file by Alan Cox.
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* v0.14 Mar 15 2000 Ollie Lho
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* 5.1 channel output support with channel binding. What's the Matrix ?
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* v0.13.1 Mar 10 2000 Ollie Lho
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* few minor bugs on dual codec support, needs more testing
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* v0.13 Mar 03 2000 Ollie Lho
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* new pci_* for 2.4 kernel, back ported to 2.2
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* v0.12 Feb 23 2000 Ollie Lho
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* Preliminary Recording support
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* v0.11.2 Feb 19 2000 Ollie Lho
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* removed incomplete full-dulplex support
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* v0.11.1 Jan 28 2000 Ollie Lho
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* small bug in setting sample rate for 4d-nx (reported by Aaron)
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* v0.11 Jan 27 2000 Ollie Lho
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* DMA bug, scheduler latency, second try
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* v0.10 Jan 24 2000 Ollie Lho
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* DMA bug fixed, found kernel scheduling problem
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* v0.09 Jan 20 2000 Ollie Lho
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* Clean up of channel register access routine (prepare for channel binding)
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* v0.08 Jan 14 2000 Ollie Lho
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* Isolation of AC97 codec code
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* v0.07 Jan 13 2000 Ollie Lho
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* Get rid of ugly old low level access routines (e.g. CHRegs.lp****)
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* v0.06 Jan 11 2000 Ollie Lho
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* Preliminary support for dual (more ?) AC97 codecs
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* v0.05 Jan 08 2000 Luca Montecchiani <m.luca@iname.com>
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* adapt to 2.3.x new __setup/__init call
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* v0.04 Dec 31 1999 Ollie Lho
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* Multiple Open, using Middle Loop Interrupt to smooth playback
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* v0.03 Dec 24 1999 Ollie Lho
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* mem leak in prog_dmabuf and dealloc_dmabuf removed
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* v0.02 Dec 15 1999 Ollie Lho
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* SiS 7018 support added, playback O.K.
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* v0.01 Alan Cox et. al.
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* Initial Release in kernel 2.3.30, does not work
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*
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* ToDo
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* Clean up of low level channel register access code. (done)
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* Fix the bug on dma buffer management in update_ptr, read/write, drain_dac (done)
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* Dual AC97 codecs support (done)
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* Recording support (done)
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* Mmap support
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* "Channel Binding" ioctl extension (done)
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* new pci device driver interface for 2.4 kernel (done)
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*
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* Lock order (high->low)
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* lock - hardware lock
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* open_sem - guard opens
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* sem - guard dmabuf, write re-entry etc
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/ctype.h>
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#include <linux/ioport.h>
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#include <linux/sched.h>
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#include <linux/delay.h>
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#include <linux/sound.h>
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#include <linux/slab.h>
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#include <linux/soundcard.h>
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#include <linux/pci.h>
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#include <linux/init.h>
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#include <linux/poll.h>
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#include <linux/spinlock.h>
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#include <linux/smp_lock.h>
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#include <linux/ac97_codec.h>
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#include <linux/bitops.h>
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#include <linux/proc_fs.h>
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#include <linux/interrupt.h>
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#include <linux/pm.h>
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#include <linux/gameport.h>
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#include <linux/kernel.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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#include <asm/dma.h>
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#if defined(CONFIG_ALPHA_NAUTILUS) || defined(CONFIG_ALPHA_GENERIC)
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#include <asm/hwrpb.h>
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#endif
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#include "trident.h"
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#define DRIVER_VERSION "0.14.10j-2.6"
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#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
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#define SUPPORT_JOYSTICK 1
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#endif
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/* magic numbers to protect our data structures */
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#define TRIDENT_CARD_MAGIC 0x5072696E /* "Prin" */
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#define TRIDENT_STATE_MAGIC 0x63657373 /* "cess" */
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#define TRIDENT_DMA_MASK 0x3fffffff /* DMA buffer mask for pci_alloc_consist */
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#define ALI_DMA_MASK 0x7fffffff /* ALI Tridents have 31-bit DMA. Wow. */
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#define NR_HW_CH 32
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/* maximum number of AC97 codecs connected, AC97 2.0 defined 4, but 7018 and 4D-NX only
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have 2 SDATA_IN lines (currently) */
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#define NR_AC97 2
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/* minor number of /dev/swmodem (temporary, experimental) */
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#define SND_DEV_SWMODEM 7
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static const unsigned ali_multi_channels_5_1[] = {
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/*ALI_SURR_LEFT_CHANNEL, ALI_SURR_RIGHT_CHANNEL, */
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ALI_CENTER_CHANNEL,
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ALI_LEF_CHANNEL,
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ALI_SURR_LEFT_CHANNEL,
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ALI_SURR_RIGHT_CHANNEL
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};
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static const unsigned sample_size[] = { 1, 2, 2, 4 };
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static const unsigned sample_shift[] = { 0, 1, 1, 2 };
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static const char invalid_magic[] = KERN_CRIT "trident: invalid magic value in %s\n";
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enum {
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TRIDENT_4D_DX = 0,
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TRIDENT_4D_NX,
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SIS_7018,
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ALI_5451,
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CYBER5050
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};
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static char *card_names[] = {
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"Trident 4DWave DX",
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"Trident 4DWave NX",
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"SiS 7018 PCI Audio",
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"ALi Audio Accelerator",
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"Tvia/IGST CyberPro 5050"
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};
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static struct pci_device_id trident_pci_tbl[] = {
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{PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX,
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PCI_ANY_ID, PCI_ANY_ID, 0, 0, TRIDENT_4D_DX},
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{PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX,
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PCI_ANY_ID, PCI_ANY_ID, 0, 0, TRIDENT_4D_NX},
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{PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7018,
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PCI_ANY_ID, PCI_ANY_ID, 0, 0, SIS_7018},
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{PCI_VENDOR_ID_ALI, PCI_DEVICE_ID_ALI_5451,
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PCI_ANY_ID, PCI_ANY_ID, 0, 0, ALI_5451},
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{PCI_VENDOR_ID_INTERG, PCI_DEVICE_ID_INTERG_5050,
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PCI_ANY_ID, PCI_ANY_ID, 0, 0, CYBER5050},
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{0,}
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};
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MODULE_DEVICE_TABLE(pci, trident_pci_tbl);
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/* "software" or virtual channel, an instance of opened /dev/dsp */
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struct trident_state {
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unsigned int magic;
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struct trident_card *card; /* Card info */
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/* file mode */
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mode_t open_mode;
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/* virtual channel number */
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int virt;
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struct dmabuf {
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/* wave sample stuff */
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unsigned int rate;
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unsigned char fmt, enable;
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/* hardware channel */
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struct trident_channel *channel;
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/* OSS buffer management stuff */
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void *rawbuf;
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dma_addr_t dma_handle;
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unsigned buforder;
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unsigned numfrag;
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unsigned fragshift;
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/* our buffer acts like a circular ring */
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unsigned hwptr; /* where dma last started, updated by update_ptr */
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unsigned swptr; /* where driver last clear/filled, updated by read/write */
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int count; /* bytes to be comsumed or been generated by dma machine */
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unsigned total_bytes; /* total bytes dmaed by hardware */
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unsigned error; /* number of over/underruns */
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/* put process on wait queue when no more space in buffer */
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wait_queue_head_t wait;
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/* redundant, but makes calculations easier */
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unsigned fragsize;
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unsigned dmasize;
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unsigned fragsamples;
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/* OSS stuff */
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unsigned mapped:1;
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unsigned ready:1;
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unsigned endcleared:1;
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unsigned update_flag;
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unsigned ossfragshift;
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int ossmaxfrags;
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unsigned subdivision;
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} dmabuf;
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/* 5.1 channels */
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struct trident_state *other_states[4];
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int multi_channels_adjust_count;
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unsigned chans_num;
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unsigned long fmt_flag;
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/* Guard against mmap/write/read races */
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struct semaphore sem;
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};
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/* hardware channels */
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struct trident_channel {
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int num; /* channel number */
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u32 lba; /* Loop Begine Address, where dma buffer starts */
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u32 eso; /* End Sample Offset, wehre dma buffer ends */
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/* (in the unit of samples) */
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u32 delta; /* delta value, sample rate / 48k for playback, */
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/* 48k/sample rate for recording */
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u16 attribute; /* control where PCM data go and come */
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u16 fm_vol;
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u32 control; /* signed/unsigned, 8/16 bits, mono/stereo */
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};
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struct trident_pcm_bank_address {
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u32 start;
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u32 stop;
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u32 aint;
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u32 aint_en;
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};
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static struct trident_pcm_bank_address bank_a_addrs = {
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T4D_START_A,
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T4D_STOP_A,
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T4D_AINT_A,
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T4D_AINTEN_A
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};
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static struct trident_pcm_bank_address bank_b_addrs = {
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T4D_START_B,
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T4D_STOP_B,
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T4D_AINT_B,
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T4D_AINTEN_B
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};
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struct trident_pcm_bank {
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/* register addresses to control bank operations */
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struct trident_pcm_bank_address *addresses;
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/* each bank has 32 channels */
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u32 bitmap; /* channel allocation bitmap */
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struct trident_channel channels[32];
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};
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struct trident_card {
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unsigned int magic;
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/* We keep trident cards in a linked list */
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struct trident_card *next;
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/* single open lock mechanism, only used for recording */
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struct semaphore open_sem;
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/* The trident has a certain amount of cross channel interaction
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so we use a single per card lock */
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spinlock_t lock;
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/* PCI device stuff */
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struct pci_dev *pci_dev;
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u16 pci_id;
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u8 revision;
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/* soundcore stuff */
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int dev_audio;
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/* structures for abstraction of hardware facilities, codecs, */
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/* banks and channels */
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struct ac97_codec *ac97_codec[NR_AC97];
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struct trident_pcm_bank banks[NR_BANKS];
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struct trident_state *states[NR_HW_CH];
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/* hardware resources */
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unsigned long iobase;
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u32 irq;
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/* Function support */
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struct trident_channel *(*alloc_pcm_channel) (struct trident_card *);
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struct trident_channel *(*alloc_rec_pcm_channel) (struct trident_card *);
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void (*free_pcm_channel) (struct trident_card *, unsigned int chan);
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void (*address_interrupt) (struct trident_card *);
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/* Added by Matt Wu 01-05-2001 for spdif in */
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int multi_channel_use_count;
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int rec_channel_use_count;
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u16 mixer_regs[64][NR_AC97]; /* Made card local by Alan */
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int mixer_regs_ready;
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/* Added for hardware volume control */
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int hwvolctl;
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struct timer_list timer;
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/* Game port support */
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struct gameport *gameport;
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};
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enum dmabuf_mode {
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DM_PLAYBACK = 0,
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DM_RECORD
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};
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/* table to map from CHANNELMASK to channel attribute for SiS 7018 */
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static u16 mask2attr[] = {
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PCM_LR, PCM_LR, SURR_LR, CENTER_LFE,
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HSET, MIC, MODEM_LINE1, MODEM_LINE2,
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I2S_LR, SPDIF_LR
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};
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|
|
/* table to map from channel attribute to CHANNELMASK for SiS 7018 */
|
|
static int attr2mask[] = {
|
|
DSP_BIND_MODEM1, DSP_BIND_MODEM2, DSP_BIND_FRONT, DSP_BIND_HANDSET,
|
|
DSP_BIND_I2S, DSP_BIND_CENTER_LFE, DSP_BIND_SURR, DSP_BIND_SPDIF
|
|
};
|
|
|
|
/* Added by Matt Wu 01-05-2001 for spdif in */
|
|
static int ali_close_multi_channels(void);
|
|
static void ali_delay(struct trident_card *card, int interval);
|
|
static void ali_detect_spdif_rate(struct trident_card *card);
|
|
|
|
static void ali_ac97_write(struct ac97_codec *codec, u8 reg, u16 val);
|
|
static u16 ali_ac97_read(struct ac97_codec *codec, u8 reg);
|
|
|
|
static struct trident_card *devs;
|
|
|
|
static void trident_ac97_set(struct ac97_codec *codec, u8 reg, u16 val);
|
|
static u16 trident_ac97_get(struct ac97_codec *codec, u8 reg);
|
|
|
|
static int trident_open_mixdev(struct inode *inode, struct file *file);
|
|
static int trident_ioctl_mixdev(struct inode *inode, struct file *file,
|
|
unsigned int cmd, unsigned long arg);
|
|
|
|
static void ali_ac97_set(struct trident_card *card, int secondary, u8 reg, u16 val);
|
|
static u16 ali_ac97_get(struct trident_card *card, int secondary, u8 reg);
|
|
static void ali_set_spdif_out_rate(struct trident_card *card, unsigned int rate);
|
|
static void ali_enable_special_channel(struct trident_state *stat);
|
|
static struct trident_channel *ali_alloc_rec_pcm_channel(struct trident_card *card);
|
|
static struct trident_channel *ali_alloc_pcm_channel(struct trident_card *card);
|
|
static void ali_restore_regs(struct trident_card *card);
|
|
static void ali_save_regs(struct trident_card *card);
|
|
static int trident_suspend(struct pci_dev *dev, pm_message_t unused);
|
|
static int trident_resume(struct pci_dev *dev);
|
|
static void ali_free_pcm_channel(struct trident_card *card, unsigned int channel);
|
|
static int ali_setup_multi_channels(struct trident_card *card, int chan_nums);
|
|
static unsigned int ali_get_spdif_in_rate(struct trident_card *card);
|
|
static void ali_setup_spdif_in(struct trident_card *card);
|
|
static void ali_disable_spdif_in(struct trident_card *card);
|
|
static void ali_disable_special_channel(struct trident_card *card, int ch);
|
|
static void ali_setup_spdif_out(struct trident_card *card, int flag);
|
|
static int ali_write_5_1(struct trident_state *state,
|
|
const char __user *buffer,
|
|
int cnt_for_multi_channel, unsigned int *copy_count,
|
|
unsigned int *state_cnt);
|
|
static int ali_allocate_other_states_resources(struct trident_state *state,
|
|
int chan_nums);
|
|
static void ali_free_other_states_resources(struct trident_state *state);
|
|
|
|
/* save registers for ALi Power Management */
|
|
static struct ali_saved_registers {
|
|
unsigned long global_regs[ALI_GLOBAL_REGS];
|
|
unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
|
|
unsigned mixer_regs[ALI_MIXER_REGS];
|
|
} ali_registers;
|
|
|
|
#define seek_offset(dma_ptr, buffer, cnt, offset, copy_count) do { \
|
|
(dma_ptr) += (offset); \
|
|
(buffer) += (offset); \
|
|
(cnt) -= (offset); \
|
|
(copy_count) += (offset); \
|
|
} while (0)
|
|
|
|
static inline int lock_set_fmt(struct trident_state* state)
|
|
{
|
|
if (test_and_set_bit(0, &state->fmt_flag))
|
|
return -EFAULT;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline void unlock_set_fmt(struct trident_state* state)
|
|
{
|
|
clear_bit(0, &state->fmt_flag);
|
|
}
|
|
|
|
static int
|
|
trident_enable_loop_interrupts(struct trident_card *card)
|
|
{
|
|
u32 global_control;
|
|
|
|
global_control = inl(TRID_REG(card, T4D_LFO_GC_CIR));
|
|
|
|
switch (card->pci_id) {
|
|
case PCI_DEVICE_ID_SI_7018:
|
|
global_control |= (ENDLP_IE | MIDLP_IE | BANK_B_EN);
|
|
break;
|
|
case PCI_DEVICE_ID_ALI_5451:
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX:
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX:
|
|
case PCI_DEVICE_ID_INTERG_5050:
|
|
global_control |= (ENDLP_IE | MIDLP_IE);
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
outl(global_control, TRID_REG(card, T4D_LFO_GC_CIR));
|
|
|
|
pr_debug("trident: Enable Loop Interrupts, globctl = 0x%08X\n",
|
|
inl(TRID_REG(card, T4D_LFO_GC_CIR)));
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
trident_disable_loop_interrupts(struct trident_card *card)
|
|
{
|
|
u32 global_control;
|
|
|
|
global_control = inl(TRID_REG(card, T4D_LFO_GC_CIR));
|
|
global_control &= ~(ENDLP_IE | MIDLP_IE);
|
|
outl(global_control, TRID_REG(card, T4D_LFO_GC_CIR));
|
|
|
|
pr_debug("trident: Disabled Loop Interrupts, globctl = 0x%08X\n",
|
|
global_control);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
trident_enable_voice_irq(struct trident_card *card, unsigned int channel)
|
|
{
|
|
unsigned int mask = 1 << (channel & 0x1f);
|
|
struct trident_pcm_bank *bank = &card->banks[channel >> 5];
|
|
u32 reg, addr = bank->addresses->aint_en;
|
|
|
|
reg = inl(TRID_REG(card, addr));
|
|
reg |= mask;
|
|
outl(reg, TRID_REG(card, addr));
|
|
|
|
#ifdef DEBUG
|
|
reg = inl(TRID_REG(card, addr));
|
|
pr_debug("trident: enabled IRQ on channel %d, %s = 0x%08x(addr:%X)\n",
|
|
channel, addr == T4D_AINTEN_B ? "AINTEN_B" : "AINTEN_A",
|
|
reg, addr);
|
|
#endif /* DEBUG */
|
|
}
|
|
|
|
static void
|
|
trident_disable_voice_irq(struct trident_card *card, unsigned int channel)
|
|
{
|
|
unsigned int mask = 1 << (channel & 0x1f);
|
|
struct trident_pcm_bank *bank = &card->banks[channel >> 5];
|
|
u32 reg, addr = bank->addresses->aint_en;
|
|
|
|
reg = inl(TRID_REG(card, addr));
|
|
reg &= ~mask;
|
|
outl(reg, TRID_REG(card, addr));
|
|
|
|
/* Ack the channel in case the interrupt was set before we disable it. */
|
|
outl(mask, TRID_REG(card, bank->addresses->aint));
|
|
|
|
#ifdef DEBUG
|
|
reg = inl(TRID_REG(card, addr));
|
|
pr_debug("trident: disabled IRQ on channel %d, %s = 0x%08x(addr:%X)\n",
|
|
channel, addr == T4D_AINTEN_B ? "AINTEN_B" : "AINTEN_A",
|
|
reg, addr);
|
|
#endif /* DEBUG */
|
|
}
|
|
|
|
static void
|
|
trident_start_voice(struct trident_card *card, unsigned int channel)
|
|
{
|
|
unsigned int mask = 1 << (channel & 0x1f);
|
|
struct trident_pcm_bank *bank = &card->banks[channel >> 5];
|
|
u32 addr = bank->addresses->start;
|
|
|
|
#ifdef DEBUG
|
|
u32 reg;
|
|
#endif /* DEBUG */
|
|
|
|
outl(mask, TRID_REG(card, addr));
|
|
|
|
#ifdef DEBUG
|
|
reg = inl(TRID_REG(card, addr));
|
|
pr_debug("trident: start voice on channel %d, %s = 0x%08x(addr:%X)\n",
|
|
channel, addr == T4D_START_B ? "START_B" : "START_A",
|
|
reg, addr);
|
|
#endif /* DEBUG */
|
|
}
|
|
|
|
static void
|
|
trident_stop_voice(struct trident_card *card, unsigned int channel)
|
|
{
|
|
unsigned int mask = 1 << (channel & 0x1f);
|
|
struct trident_pcm_bank *bank = &card->banks[channel >> 5];
|
|
u32 addr = bank->addresses->stop;
|
|
|
|
#ifdef DEBUG
|
|
u32 reg;
|
|
#endif /* DEBUG */
|
|
|
|
outl(mask, TRID_REG(card, addr));
|
|
|
|
#ifdef DEBUG
|
|
reg = inl(TRID_REG(card, addr));
|
|
pr_debug("trident: stop voice on channel %d, %s = 0x%08x(addr:%X)\n",
|
|
channel, addr == T4D_STOP_B ? "STOP_B" : "STOP_A",
|
|
reg, addr);
|
|
#endif /* DEBUG */
|
|
}
|
|
|
|
static u32
|
|
trident_get_interrupt_mask(struct trident_card *card, unsigned int channel)
|
|
{
|
|
struct trident_pcm_bank *bank = &card->banks[channel];
|
|
u32 addr = bank->addresses->aint;
|
|
return inl(TRID_REG(card, addr));
|
|
}
|
|
|
|
static int
|
|
trident_check_channel_interrupt(struct trident_card *card, unsigned int channel)
|
|
{
|
|
unsigned int mask = 1 << (channel & 0x1f);
|
|
u32 reg = trident_get_interrupt_mask(card, channel >> 5);
|
|
|
|
#ifdef DEBUG
|
|
if (reg & mask)
|
|
pr_debug("trident: channel %d has interrupt, %s = 0x%08x\n",
|
|
channel, reg == T4D_AINT_B ? "AINT_B" : "AINT_A",
|
|
reg);
|
|
#endif /* DEBUG */
|
|
return (reg & mask) ? 1 : 0;
|
|
}
|
|
|
|
static void
|
|
trident_ack_channel_interrupt(struct trident_card *card, unsigned int channel)
|
|
{
|
|
unsigned int mask = 1 << (channel & 0x1f);
|
|
struct trident_pcm_bank *bank = &card->banks[channel >> 5];
|
|
u32 reg, addr = bank->addresses->aint;
|
|
|
|
reg = inl(TRID_REG(card, addr));
|
|
reg &= mask;
|
|
outl(reg, TRID_REG(card, addr));
|
|
|
|
#ifdef DEBUG
|
|
reg = inl(TRID_REG(card, T4D_AINT_B));
|
|
pr_debug("trident: Ack channel %d interrupt, AINT_B = 0x%08x\n",
|
|
channel, reg);
|
|
#endif /* DEBUG */
|
|
}
|
|
|
|
static struct trident_channel *
|
|
trident_alloc_pcm_channel(struct trident_card *card)
|
|
{
|
|
struct trident_pcm_bank *bank;
|
|
int idx;
|
|
|
|
bank = &card->banks[BANK_B];
|
|
|
|
for (idx = 31; idx >= 0; idx--) {
|
|
if (!(bank->bitmap & (1 << idx))) {
|
|
struct trident_channel *channel = &bank->channels[idx];
|
|
bank->bitmap |= 1 << idx;
|
|
channel->num = idx + 32;
|
|
return channel;
|
|
}
|
|
}
|
|
|
|
/* no more free channels available */
|
|
printk(KERN_ERR "trident: no more channels available on Bank B.\n");
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
trident_free_pcm_channel(struct trident_card *card, unsigned int channel)
|
|
{
|
|
int bank;
|
|
unsigned char b;
|
|
|
|
if (channel < 31 || channel > 63)
|
|
return;
|
|
|
|
if (card->pci_id == PCI_DEVICE_ID_TRIDENT_4DWAVE_DX ||
|
|
card->pci_id == PCI_DEVICE_ID_TRIDENT_4DWAVE_NX) {
|
|
b = inb(TRID_REG(card, T4D_REC_CH));
|
|
if ((b & ~0x80) == channel)
|
|
outb(0x0, TRID_REG(card, T4D_REC_CH));
|
|
}
|
|
|
|
bank = channel >> 5;
|
|
channel = channel & 0x1f;
|
|
|
|
card->banks[bank].bitmap &= ~(1 << (channel));
|
|
}
|
|
|
|
static struct trident_channel *
|
|
cyber_alloc_pcm_channel(struct trident_card *card)
|
|
{
|
|
struct trident_pcm_bank *bank;
|
|
int idx;
|
|
|
|
/* The cyberpro 5050 has only 32 voices and one bank */
|
|
/* .. at least they are not documented (if you want to call that
|
|
* crap documentation), perhaps broken ? */
|
|
|
|
bank = &card->banks[BANK_A];
|
|
|
|
for (idx = 31; idx >= 0; idx--) {
|
|
if (!(bank->bitmap & (1 << idx))) {
|
|
struct trident_channel *channel = &bank->channels[idx];
|
|
bank->bitmap |= 1 << idx;
|
|
channel->num = idx;
|
|
return channel;
|
|
}
|
|
}
|
|
|
|
/* no more free channels available */
|
|
printk(KERN_ERR "cyberpro5050: no more channels available on Bank A.\n");
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
cyber_free_pcm_channel(struct trident_card *card, unsigned int channel)
|
|
{
|
|
if (channel > 31)
|
|
return;
|
|
card->banks[BANK_A].bitmap &= ~(1 << (channel));
|
|
}
|
|
|
|
static inline void
|
|
cyber_outidx(int port, int idx, int data)
|
|
{
|
|
outb(idx, port);
|
|
outb(data, port + 1);
|
|
}
|
|
|
|
static inline int
|
|
cyber_inidx(int port, int idx)
|
|
{
|
|
outb(idx, port);
|
|
return inb(port + 1);
|
|
}
|
|
|
|
static int
|
|
cyber_init_ritual(struct trident_card *card)
|
|
{
|
|
/* some black magic, taken from SDK samples */
|
|
/* remove this and nothing will work */
|
|
int portDat;
|
|
int ret = 0;
|
|
unsigned long flags;
|
|
|
|
/*
|
|
* Keep interrupts off for the configure - we don't want to
|
|
* clash with another cyberpro config event
|
|
*/
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
portDat = cyber_inidx(CYBER_PORT_AUDIO, CYBER_IDX_AUDIO_ENABLE);
|
|
/* enable, if it was disabled */
|
|
if ((portDat & CYBER_BMSK_AUENZ) != CYBER_BMSK_AUENZ_ENABLE) {
|
|
printk(KERN_INFO "cyberpro5050: enabling audio controller\n");
|
|
cyber_outidx(CYBER_PORT_AUDIO, CYBER_IDX_AUDIO_ENABLE,
|
|
portDat | CYBER_BMSK_AUENZ_ENABLE);
|
|
/* check again if hardware is enabled now */
|
|
portDat = cyber_inidx(CYBER_PORT_AUDIO, CYBER_IDX_AUDIO_ENABLE);
|
|
}
|
|
if ((portDat & CYBER_BMSK_AUENZ) != CYBER_BMSK_AUENZ_ENABLE) {
|
|
printk(KERN_ERR "cyberpro5050: initAudioAccess: no success\n");
|
|
ret = -1;
|
|
} else {
|
|
cyber_outidx(CYBER_PORT_AUDIO, CYBER_IDX_IRQ_ENABLE,
|
|
CYBER_BMSK_AUDIO_INT_ENABLE);
|
|
cyber_outidx(CYBER_PORT_AUDIO, 0xbf, 0x01);
|
|
cyber_outidx(CYBER_PORT_AUDIO, 0xba, 0x20);
|
|
cyber_outidx(CYBER_PORT_AUDIO, 0xbb, 0x08);
|
|
cyber_outidx(CYBER_PORT_AUDIO, 0xbf, 0x02);
|
|
cyber_outidx(CYBER_PORT_AUDIO, 0xb3, 0x06);
|
|
cyber_outidx(CYBER_PORT_AUDIO, 0xbf, 0x00);
|
|
}
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
return ret;
|
|
}
|
|
|
|
/* called with spin lock held */
|
|
|
|
static int
|
|
trident_load_channel_registers(struct trident_card *card, u32 * data,
|
|
unsigned int channel)
|
|
{
|
|
int i;
|
|
|
|
if (channel > 63)
|
|
return 0;
|
|
|
|
/* select hardware channel to write */
|
|
outb(channel, TRID_REG(card, T4D_LFO_GC_CIR));
|
|
|
|
/* Output the channel registers, but don't write register
|
|
three to an ALI chip. */
|
|
for (i = 0; i < CHANNEL_REGS; i++) {
|
|
if (i == 3 && card->pci_id == PCI_DEVICE_ID_ALI_5451)
|
|
continue;
|
|
outl(data[i], TRID_REG(card, CHANNEL_START + 4 * i));
|
|
}
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451 ||
|
|
card->pci_id == PCI_DEVICE_ID_INTERG_5050) {
|
|
outl(ALI_EMOD_Still, TRID_REG(card, ALI_EBUF1));
|
|
outl(ALI_EMOD_Still, TRID_REG(card, ALI_EBUF2));
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* called with spin lock held */
|
|
static int
|
|
trident_write_voice_regs(struct trident_state *state)
|
|
{
|
|
unsigned int data[CHANNEL_REGS + 1];
|
|
struct trident_channel *channel;
|
|
|
|
channel = state->dmabuf.channel;
|
|
|
|
data[1] = channel->lba;
|
|
data[4] = channel->control;
|
|
|
|
switch (state->card->pci_id) {
|
|
case PCI_DEVICE_ID_ALI_5451:
|
|
data[0] = 0; /* Current Sample Offset */
|
|
data[2] = (channel->eso << 16) | (channel->delta & 0xffff);
|
|
data[3] = 0;
|
|
break;
|
|
case PCI_DEVICE_ID_SI_7018:
|
|
case PCI_DEVICE_ID_INTERG_5050:
|
|
data[0] = 0; /* Current Sample Offset */
|
|
data[2] = (channel->eso << 16) | (channel->delta & 0xffff);
|
|
data[3] = (channel->attribute << 16) | (channel->fm_vol & 0xffff);
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX:
|
|
data[0] = 0; /* Current Sample Offset */
|
|
data[2] = (channel->eso << 16) | (channel->delta & 0xffff);
|
|
data[3] = channel->fm_vol & 0xffff;
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX:
|
|
data[0] = (channel->delta << 24);
|
|
data[2] = ((channel->delta << 16) & 0xff000000) |
|
|
(channel->eso & 0x00ffffff);
|
|
data[3] = channel->fm_vol & 0xffff;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
return trident_load_channel_registers(state->card, data, channel->num);
|
|
}
|
|
|
|
static int
|
|
compute_rate_play(u32 rate)
|
|
{
|
|
int delta;
|
|
/* We special case 44100 and 8000 since rounding with the equation
|
|
does not give us an accurate enough value. For 11025 and 22050
|
|
the equation gives us the best answer. All other frequencies will
|
|
also use the equation. JDW */
|
|
if (rate == 44100)
|
|
delta = 0xeb3;
|
|
else if (rate == 8000)
|
|
delta = 0x2ab;
|
|
else if (rate == 48000)
|
|
delta = 0x1000;
|
|
else
|
|
delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
|
|
return delta;
|
|
}
|
|
|
|
static int
|
|
compute_rate_rec(u32 rate)
|
|
{
|
|
int delta;
|
|
|
|
if (rate == 44100)
|
|
delta = 0x116a;
|
|
else if (rate == 8000)
|
|
delta = 0x6000;
|
|
else if (rate == 48000)
|
|
delta = 0x1000;
|
|
else
|
|
delta = ((48000 << 12) / rate) & 0x0000ffff;
|
|
|
|
return delta;
|
|
}
|
|
|
|
/* set playback sample rate */
|
|
static unsigned int
|
|
trident_set_dac_rate(struct trident_state *state, unsigned int rate)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
|
|
if (rate > 48000)
|
|
rate = 48000;
|
|
if (rate < 4000)
|
|
rate = 4000;
|
|
|
|
dmabuf->rate = rate;
|
|
dmabuf->channel->delta = compute_rate_play(rate);
|
|
|
|
trident_write_voice_regs(state);
|
|
|
|
pr_debug("trident: called trident_set_dac_rate : rate = %d\n", rate);
|
|
|
|
return rate;
|
|
}
|
|
|
|
/* set recording sample rate */
|
|
static unsigned int
|
|
trident_set_adc_rate(struct trident_state *state, unsigned int rate)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
|
|
if (rate > 48000)
|
|
rate = 48000;
|
|
if (rate < 4000)
|
|
rate = 4000;
|
|
|
|
dmabuf->rate = rate;
|
|
dmabuf->channel->delta = compute_rate_rec(rate);
|
|
|
|
trident_write_voice_regs(state);
|
|
|
|
pr_debug("trident: called trident_set_adc_rate : rate = %d\n", rate);
|
|
|
|
return rate;
|
|
}
|
|
|
|
/* prepare channel attributes for playback */
|
|
static void
|
|
trident_play_setup(struct trident_state *state)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
struct trident_channel *channel = dmabuf->channel;
|
|
|
|
channel->lba = dmabuf->dma_handle;
|
|
channel->delta = compute_rate_play(dmabuf->rate);
|
|
|
|
channel->eso = dmabuf->dmasize >> sample_shift[dmabuf->fmt];
|
|
channel->eso -= 1;
|
|
|
|
if (state->card->pci_id != PCI_DEVICE_ID_SI_7018) {
|
|
channel->attribute = 0;
|
|
if (state->card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
if ((channel->num == ALI_SPDIF_IN_CHANNEL) ||
|
|
(channel->num == ALI_PCM_IN_CHANNEL))
|
|
ali_disable_special_channel(state->card, channel->num);
|
|
else if ((inl(TRID_REG(state->card, ALI_GLOBAL_CONTROL))
|
|
& ALI_SPDIF_OUT_CH_ENABLE)
|
|
&& (channel->num == ALI_SPDIF_OUT_CHANNEL)) {
|
|
ali_set_spdif_out_rate(state->card,
|
|
state->dmabuf.rate);
|
|
state->dmabuf.channel->delta = 0x1000;
|
|
}
|
|
}
|
|
}
|
|
|
|
channel->fm_vol = 0x0;
|
|
|
|
channel->control = CHANNEL_LOOP;
|
|
if (dmabuf->fmt & TRIDENT_FMT_16BIT) {
|
|
/* 16-bits */
|
|
channel->control |= CHANNEL_16BITS;
|
|
/* signed */
|
|
channel->control |= CHANNEL_SIGNED;
|
|
}
|
|
if (dmabuf->fmt & TRIDENT_FMT_STEREO)
|
|
/* stereo */
|
|
channel->control |= CHANNEL_STEREO;
|
|
|
|
pr_debug("trident: trident_play_setup, LBA = 0x%08x, Delta = 0x%08x, "
|
|
"ESO = 0x%08x, Control = 0x%08x\n", channel->lba,
|
|
channel->delta, channel->eso, channel->control);
|
|
|
|
trident_write_voice_regs(state);
|
|
}
|
|
|
|
/* prepare channel attributes for recording */
|
|
static void
|
|
trident_rec_setup(struct trident_state *state)
|
|
{
|
|
u16 w;
|
|
u8 bval;
|
|
|
|
struct trident_card *card = state->card;
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
struct trident_channel *channel = dmabuf->channel;
|
|
unsigned int rate;
|
|
|
|
/* Enable AC-97 ADC (capture) */
|
|
switch (card->pci_id) {
|
|
case PCI_DEVICE_ID_ALI_5451:
|
|
ali_enable_special_channel(state);
|
|
break;
|
|
case PCI_DEVICE_ID_SI_7018:
|
|
/* for 7018, the ac97 is always in playback/record (duplex) mode */
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX:
|
|
w = inb(TRID_REG(card, DX_ACR2_AC97_COM_STAT));
|
|
outb(w | 0x48, TRID_REG(card, DX_ACR2_AC97_COM_STAT));
|
|
/* enable and set record channel */
|
|
outb(0x80 | channel->num, TRID_REG(card, T4D_REC_CH));
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX:
|
|
w = inw(TRID_REG(card, T4D_MISCINT));
|
|
outw(w | 0x1000, TRID_REG(card, T4D_MISCINT));
|
|
/* enable and set record channel */
|
|
outb(0x80 | channel->num, TRID_REG(card, T4D_REC_CH));
|
|
break;
|
|
case PCI_DEVICE_ID_INTERG_5050:
|
|
/* don't know yet, using special channel 22 in GC1(0xd4)? */
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
channel->lba = dmabuf->dma_handle;
|
|
channel->delta = compute_rate_rec(dmabuf->rate);
|
|
if ((card->pci_id == PCI_DEVICE_ID_ALI_5451) &&
|
|
(channel->num == ALI_SPDIF_IN_CHANNEL)) {
|
|
rate = ali_get_spdif_in_rate(card);
|
|
if (rate == 0) {
|
|
printk(KERN_WARNING "trident: ALi 5451 "
|
|
"S/PDIF input setup error!\n");
|
|
rate = 48000;
|
|
}
|
|
bval = inb(TRID_REG(card, ALI_SPDIF_CTRL));
|
|
if (bval & 0x10) {
|
|
outb(bval, TRID_REG(card, ALI_SPDIF_CTRL));
|
|
printk(KERN_WARNING "trident: cleared ALi "
|
|
"5451 S/PDIF parity error flag.\n");
|
|
}
|
|
|
|
if (rate != 48000)
|
|
channel->delta = ((rate << 12) / dmabuf->rate) & 0x0000ffff;
|
|
}
|
|
|
|
channel->eso = dmabuf->dmasize >> sample_shift[dmabuf->fmt];
|
|
channel->eso -= 1;
|
|
|
|
if (state->card->pci_id != PCI_DEVICE_ID_SI_7018) {
|
|
channel->attribute = 0;
|
|
}
|
|
|
|
channel->fm_vol = 0x0;
|
|
|
|
channel->control = CHANNEL_LOOP;
|
|
if (dmabuf->fmt & TRIDENT_FMT_16BIT) {
|
|
/* 16-bits */
|
|
channel->control |= CHANNEL_16BITS;
|
|
/* signed */
|
|
channel->control |= CHANNEL_SIGNED;
|
|
}
|
|
if (dmabuf->fmt & TRIDENT_FMT_STEREO)
|
|
/* stereo */
|
|
channel->control |= CHANNEL_STEREO;
|
|
|
|
pr_debug("trident: trident_rec_setup, LBA = 0x%08x, Delat = 0x%08x, "
|
|
"ESO = 0x%08x, Control = 0x%08x\n", channel->lba,
|
|
channel->delta, channel->eso, channel->control);
|
|
|
|
trident_write_voice_regs(state);
|
|
}
|
|
|
|
/* get current playback/recording dma buffer pointer (byte offset from LBA),
|
|
called with spinlock held! */
|
|
static inline unsigned
|
|
trident_get_dma_addr(struct trident_state *state)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
u32 cso;
|
|
|
|
if (!dmabuf->enable)
|
|
return 0;
|
|
|
|
outb(dmabuf->channel->num, TRID_REG(state->card, T4D_LFO_GC_CIR));
|
|
|
|
switch (state->card->pci_id) {
|
|
case PCI_DEVICE_ID_ALI_5451:
|
|
case PCI_DEVICE_ID_SI_7018:
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX:
|
|
case PCI_DEVICE_ID_INTERG_5050:
|
|
/* 16 bits ESO, CSO for 7018 and DX */
|
|
cso = inw(TRID_REG(state->card, CH_DX_CSO_ALPHA_FMS + 2));
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX:
|
|
/* 24 bits ESO, CSO for NX */
|
|
cso = inl(TRID_REG(state->card, CH_NX_DELTA_CSO)) & 0x00ffffff;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
pr_debug("trident: trident_get_dma_addr: chip reported channel: %d, "
|
|
"cso = 0x%04x\n", dmabuf->channel->num, cso);
|
|
|
|
/* ESO and CSO are in units of Samples, convert to byte offset */
|
|
cso <<= sample_shift[dmabuf->fmt];
|
|
|
|
return (cso % dmabuf->dmasize);
|
|
}
|
|
|
|
/* Stop recording (lock held) */
|
|
static inline void
|
|
__stop_adc(struct trident_state *state)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned int chan_num = dmabuf->channel->num;
|
|
struct trident_card *card = state->card;
|
|
|
|
dmabuf->enable &= ~ADC_RUNNING;
|
|
trident_stop_voice(card, chan_num);
|
|
trident_disable_voice_irq(card, chan_num);
|
|
}
|
|
|
|
static void
|
|
stop_adc(struct trident_state *state)
|
|
{
|
|
struct trident_card *card = state->card;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
__stop_adc(state);
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
}
|
|
|
|
static void
|
|
start_adc(struct trident_state *state)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned int chan_num = dmabuf->channel->num;
|
|
struct trident_card *card = state->card;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
if ((dmabuf->mapped ||
|
|
dmabuf->count < (signed) dmabuf->dmasize) &&
|
|
dmabuf->ready) {
|
|
dmabuf->enable |= ADC_RUNNING;
|
|
trident_enable_voice_irq(card, chan_num);
|
|
trident_start_voice(card, chan_num);
|
|
}
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
}
|
|
|
|
/* stop playback (lock held) */
|
|
static inline void
|
|
__stop_dac(struct trident_state *state)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned int chan_num = dmabuf->channel->num;
|
|
struct trident_card *card = state->card;
|
|
|
|
dmabuf->enable &= ~DAC_RUNNING;
|
|
trident_stop_voice(card, chan_num);
|
|
if (state->chans_num == 6) {
|
|
trident_stop_voice(card, state->other_states[0]->
|
|
dmabuf.channel->num);
|
|
trident_stop_voice(card, state->other_states[1]->
|
|
dmabuf.channel->num);
|
|
trident_stop_voice(card, state->other_states[2]->
|
|
dmabuf.channel->num);
|
|
trident_stop_voice(card, state->other_states[3]->
|
|
dmabuf.channel->num);
|
|
}
|
|
trident_disable_voice_irq(card, chan_num);
|
|
}
|
|
|
|
static void
|
|
stop_dac(struct trident_state *state)
|
|
{
|
|
struct trident_card *card = state->card;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
__stop_dac(state);
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
}
|
|
|
|
static void
|
|
start_dac(struct trident_state *state)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned int chan_num = dmabuf->channel->num;
|
|
struct trident_card *card = state->card;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
if ((dmabuf->mapped || dmabuf->count > 0) && dmabuf->ready) {
|
|
dmabuf->enable |= DAC_RUNNING;
|
|
trident_enable_voice_irq(card, chan_num);
|
|
trident_start_voice(card, chan_num);
|
|
if (state->chans_num == 6) {
|
|
trident_start_voice(card, state->other_states[0]->
|
|
dmabuf.channel->num);
|
|
trident_start_voice(card, state->other_states[1]->
|
|
dmabuf.channel->num);
|
|
trident_start_voice(card, state->other_states[2]->
|
|
dmabuf.channel->num);
|
|
trident_start_voice(card, state->other_states[3]->
|
|
dmabuf.channel->num);
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
}
|
|
|
|
#define DMABUF_DEFAULTORDER (15-PAGE_SHIFT)
|
|
#define DMABUF_MINORDER 1
|
|
|
|
/* alloc a DMA buffer of with a buffer of this order */
|
|
static int
|
|
alloc_dmabuf(struct dmabuf *dmabuf, struct pci_dev *pci_dev, int order)
|
|
{
|
|
void *rawbuf = NULL;
|
|
struct page *page, *pend;
|
|
|
|
if (!(rawbuf = pci_alloc_consistent(pci_dev, PAGE_SIZE << order,
|
|
&dmabuf->dma_handle)))
|
|
return -ENOMEM;
|
|
|
|
pr_debug("trident: allocated %ld (order = %d) bytes at %p\n",
|
|
PAGE_SIZE << order, order, rawbuf);
|
|
|
|
dmabuf->ready = dmabuf->mapped = 0;
|
|
dmabuf->rawbuf = rawbuf;
|
|
dmabuf->buforder = order;
|
|
|
|
/* now mark the pages as reserved; otherwise */
|
|
/* remap_pfn_range doesn't do what we want */
|
|
pend = virt_to_page(rawbuf + (PAGE_SIZE << order) - 1);
|
|
for (page = virt_to_page(rawbuf); page <= pend; page++)
|
|
SetPageReserved(page);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* allocate the main DMA buffer, playback and recording buffer should be */
|
|
/* allocated separately */
|
|
static int
|
|
alloc_main_dmabuf(struct trident_state *state)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
int order;
|
|
int ret = -ENOMEM;
|
|
|
|
/* alloc as big a chunk as we can, FIXME: is this necessary ?? */
|
|
for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--) {
|
|
if (!(ret = alloc_dmabuf(dmabuf, state->card->pci_dev, order)))
|
|
return 0;
|
|
/* else try again */
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* deallocate a DMA buffer */
|
|
static void
|
|
dealloc_dmabuf(struct dmabuf *dmabuf, struct pci_dev *pci_dev)
|
|
{
|
|
struct page *page, *pend;
|
|
|
|
if (dmabuf->rawbuf) {
|
|
/* undo marking the pages as reserved */
|
|
pend = virt_to_page(dmabuf->rawbuf + (PAGE_SIZE << dmabuf->buforder) - 1);
|
|
for (page = virt_to_page(dmabuf->rawbuf); page <= pend; page++)
|
|
ClearPageReserved(page);
|
|
pci_free_consistent(pci_dev, PAGE_SIZE << dmabuf->buforder,
|
|
dmabuf->rawbuf, dmabuf->dma_handle);
|
|
dmabuf->rawbuf = NULL;
|
|
}
|
|
dmabuf->mapped = dmabuf->ready = 0;
|
|
}
|
|
|
|
static int
|
|
prog_dmabuf(struct trident_state *state, enum dmabuf_mode rec)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned bytepersec;
|
|
struct trident_state *s = state;
|
|
unsigned bufsize, dma_nums;
|
|
unsigned long flags;
|
|
int ret, i, order;
|
|
|
|
if ((ret = lock_set_fmt(state)) < 0)
|
|
return ret;
|
|
|
|
if (state->chans_num == 6)
|
|
dma_nums = 5;
|
|
else
|
|
dma_nums = 1;
|
|
|
|
for (i = 0; i < dma_nums; i++) {
|
|
if (i > 0) {
|
|
s = state->other_states[i - 1];
|
|
dmabuf = &s->dmabuf;
|
|
dmabuf->fmt = state->dmabuf.fmt;
|
|
dmabuf->rate = state->dmabuf.rate;
|
|
}
|
|
|
|
spin_lock_irqsave(&s->card->lock, flags);
|
|
dmabuf->hwptr = dmabuf->swptr = dmabuf->total_bytes = 0;
|
|
dmabuf->count = dmabuf->error = 0;
|
|
spin_unlock_irqrestore(&s->card->lock, flags);
|
|
|
|
/* allocate DMA buffer if not allocated yet */
|
|
if (!dmabuf->rawbuf) {
|
|
if (i == 0) {
|
|
if ((ret = alloc_main_dmabuf(state))) {
|
|
unlock_set_fmt(state);
|
|
return ret;
|
|
}
|
|
} else {
|
|
ret = -ENOMEM;
|
|
order = state->dmabuf.buforder - 1;
|
|
if (order >= DMABUF_MINORDER) {
|
|
ret = alloc_dmabuf(dmabuf,
|
|
state->card->pci_dev,
|
|
order);
|
|
}
|
|
if (ret) {
|
|
/* release the main DMA buffer */
|
|
dealloc_dmabuf(&state->dmabuf, state->card->pci_dev);
|
|
/* release the auxiliary DMA buffers */
|
|
for (i -= 2; i >= 0; i--)
|
|
dealloc_dmabuf(&state->other_states[i]->dmabuf,
|
|
state->card->pci_dev);
|
|
unlock_set_fmt(state);
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
/* FIXME: figure out all this OSS fragment stuff */
|
|
bytepersec = dmabuf->rate << sample_shift[dmabuf->fmt];
|
|
bufsize = PAGE_SIZE << dmabuf->buforder;
|
|
if (dmabuf->ossfragshift) {
|
|
if ((1000 << dmabuf->ossfragshift) < bytepersec)
|
|
dmabuf->fragshift = ld2(bytepersec / 1000);
|
|
else
|
|
dmabuf->fragshift = dmabuf->ossfragshift;
|
|
} else {
|
|
/* lets hand out reasonable big ass buffers by default */
|
|
dmabuf->fragshift = (dmabuf->buforder + PAGE_SHIFT - 2);
|
|
}
|
|
dmabuf->numfrag = bufsize >> dmabuf->fragshift;
|
|
while (dmabuf->numfrag < 4 && dmabuf->fragshift > 3) {
|
|
dmabuf->fragshift--;
|
|
dmabuf->numfrag = bufsize >> dmabuf->fragshift;
|
|
}
|
|
dmabuf->fragsize = 1 << dmabuf->fragshift;
|
|
if (dmabuf->ossmaxfrags >= 4 && dmabuf->ossmaxfrags < dmabuf->numfrag)
|
|
dmabuf->numfrag = dmabuf->ossmaxfrags;
|
|
dmabuf->fragsamples = dmabuf->fragsize >> sample_shift[dmabuf->fmt];
|
|
dmabuf->dmasize = dmabuf->numfrag << dmabuf->fragshift;
|
|
|
|
memset(dmabuf->rawbuf, (dmabuf->fmt & TRIDENT_FMT_16BIT) ? 0 : 0x80,
|
|
dmabuf->dmasize);
|
|
|
|
spin_lock_irqsave(&s->card->lock, flags);
|
|
if (rec == DM_RECORD)
|
|
trident_rec_setup(s);
|
|
else /* DM_PLAYBACK */
|
|
trident_play_setup(s);
|
|
|
|
spin_unlock_irqrestore(&s->card->lock, flags);
|
|
|
|
/* set the ready flag for the dma buffer */
|
|
dmabuf->ready = 1;
|
|
|
|
pr_debug("trident: prog_dmabuf(%d), sample rate = %d, "
|
|
"format = %d, numfrag = %d, fragsize = %d "
|
|
"dmasize = %d\n", dmabuf->channel->num,
|
|
dmabuf->rate, dmabuf->fmt, dmabuf->numfrag,
|
|
dmabuf->fragsize, dmabuf->dmasize);
|
|
}
|
|
unlock_set_fmt(state);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static inline int prog_dmabuf_record(struct trident_state* state)
|
|
{
|
|
return prog_dmabuf(state, DM_RECORD);
|
|
}
|
|
|
|
static inline int prog_dmabuf_playback(struct trident_state* state)
|
|
{
|
|
return prog_dmabuf(state, DM_PLAYBACK);
|
|
}
|
|
|
|
/* we are doing quantum mechanics here, the buffer can only be empty, half or full filled i.e.
|
|
|------------|------------| or |xxxxxxxxxxxx|------------| or |xxxxxxxxxxxx|xxxxxxxxxxxx|
|
|
but we almost always get this
|
|
|xxxxxx------|------------| or |xxxxxxxxxxxx|xxxxx-------|
|
|
so we have to clear the tail space to "silence"
|
|
|xxxxxx000000|------------| or |xxxxxxxxxxxx|xxxxxx000000|
|
|
*/
|
|
static void
|
|
trident_clear_tail(struct trident_state *state)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned swptr;
|
|
unsigned char silence = (dmabuf->fmt & TRIDENT_FMT_16BIT) ? 0 : 0x80;
|
|
unsigned int len;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
swptr = dmabuf->swptr;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
|
|
if (swptr == 0 || swptr == dmabuf->dmasize / 2 ||
|
|
swptr == dmabuf->dmasize)
|
|
return;
|
|
|
|
if (swptr < dmabuf->dmasize / 2)
|
|
len = dmabuf->dmasize / 2 - swptr;
|
|
else
|
|
len = dmabuf->dmasize - swptr;
|
|
|
|
memset(dmabuf->rawbuf + swptr, silence, len);
|
|
if (state->card->pci_id != PCI_DEVICE_ID_ALI_5451) {
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
dmabuf->swptr += len;
|
|
dmabuf->count += len;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
}
|
|
|
|
/* restart the dma machine in case it is halted */
|
|
start_dac(state);
|
|
}
|
|
|
|
static int
|
|
drain_dac(struct trident_state *state, int nonblock)
|
|
{
|
|
DECLARE_WAITQUEUE(wait, current);
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned long flags;
|
|
unsigned long tmo;
|
|
int count;
|
|
unsigned long diff = 0;
|
|
|
|
if (dmabuf->mapped || !dmabuf->ready)
|
|
return 0;
|
|
|
|
add_wait_queue(&dmabuf->wait, &wait);
|
|
for (;;) {
|
|
/* It seems that we have to set the current state to TASK_INTERRUPTIBLE
|
|
every time to make the process really go to sleep */
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
|
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
count = dmabuf->count;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
|
|
if (count <= 0)
|
|
break;
|
|
|
|
if (signal_pending(current))
|
|
break;
|
|
|
|
if (nonblock) {
|
|
remove_wait_queue(&dmabuf->wait, &wait);
|
|
set_current_state(TASK_RUNNING);
|
|
return -EBUSY;
|
|
}
|
|
|
|
/* No matter how much data is left in the buffer, we have to wait until
|
|
CSO == ESO/2 or CSO == ESO when address engine interrupts */
|
|
if (state->card->pci_id == PCI_DEVICE_ID_ALI_5451 ||
|
|
state->card->pci_id == PCI_DEVICE_ID_INTERG_5050) {
|
|
diff = dmabuf->swptr - trident_get_dma_addr(state) + dmabuf->dmasize;
|
|
diff = diff % (dmabuf->dmasize);
|
|
tmo = (diff * HZ) / dmabuf->rate;
|
|
} else {
|
|
tmo = (dmabuf->dmasize * HZ) / dmabuf->rate;
|
|
}
|
|
tmo >>= sample_shift[dmabuf->fmt];
|
|
if (!schedule_timeout(tmo ? tmo : 1) && tmo) {
|
|
break;
|
|
}
|
|
}
|
|
remove_wait_queue(&dmabuf->wait, &wait);
|
|
set_current_state(TASK_RUNNING);
|
|
if (signal_pending(current))
|
|
return -ERESTARTSYS;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* update buffer manangement pointers, especially, */
|
|
/* dmabuf->count and dmabuf->hwptr */
|
|
static void
|
|
trident_update_ptr(struct trident_state *state)
|
|
{
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned hwptr, swptr;
|
|
int clear_cnt = 0;
|
|
int diff;
|
|
unsigned char silence;
|
|
unsigned half_dmasize;
|
|
|
|
/* update hardware pointer */
|
|
hwptr = trident_get_dma_addr(state);
|
|
diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize;
|
|
dmabuf->hwptr = hwptr;
|
|
dmabuf->total_bytes += diff;
|
|
|
|
/* error handling and process wake up for ADC */
|
|
if (dmabuf->enable == ADC_RUNNING) {
|
|
if (dmabuf->mapped) {
|
|
dmabuf->count -= diff;
|
|
if (dmabuf->count >= (signed) dmabuf->fragsize)
|
|
wake_up(&dmabuf->wait);
|
|
} else {
|
|
dmabuf->count += diff;
|
|
|
|
if (dmabuf->count < 0 ||
|
|
dmabuf->count > dmabuf->dmasize) {
|
|
/* buffer underrun or buffer overrun, */
|
|
/* we have no way to recover it here, just */
|
|
/* stop the machine and let the process */
|
|
/* force hwptr and swptr to sync */
|
|
__stop_adc(state);
|
|
dmabuf->error++;
|
|
}
|
|
if (dmabuf->count < (signed) dmabuf->dmasize / 2)
|
|
wake_up(&dmabuf->wait);
|
|
}
|
|
}
|
|
|
|
/* error handling and process wake up for DAC */
|
|
if (dmabuf->enable == DAC_RUNNING) {
|
|
if (dmabuf->mapped) {
|
|
dmabuf->count += diff;
|
|
if (dmabuf->count >= (signed) dmabuf->fragsize)
|
|
wake_up(&dmabuf->wait);
|
|
} else {
|
|
dmabuf->count -= diff;
|
|
|
|
if (dmabuf->count < 0 ||
|
|
dmabuf->count > dmabuf->dmasize) {
|
|
/* buffer underrun or buffer overrun, we have no way to recover
|
|
it here, just stop the machine and let the process force hwptr
|
|
and swptr to sync */
|
|
__stop_dac(state);
|
|
dmabuf->error++;
|
|
} else if (!dmabuf->endcleared) {
|
|
swptr = dmabuf->swptr;
|
|
silence = (dmabuf->fmt & TRIDENT_FMT_16BIT ? 0 : 0x80);
|
|
if (dmabuf->update_flag & ALI_ADDRESS_INT_UPDATE) {
|
|
/* We must clear end data of 1/2 dmabuf if needed.
|
|
According to 1/2 algorithm of Address Engine Interrupt,
|
|
check the validation of the data of half dmasize. */
|
|
half_dmasize = dmabuf->dmasize / 2;
|
|
if ((diff = hwptr - half_dmasize) < 0)
|
|
diff = hwptr;
|
|
if ((dmabuf->count + diff) < half_dmasize) {
|
|
//there is invalid data in the end of half buffer
|
|
if ((clear_cnt = half_dmasize - swptr) < 0)
|
|
clear_cnt += half_dmasize;
|
|
//clear the invalid data
|
|
memset(dmabuf->rawbuf + swptr, silence, clear_cnt);
|
|
if (state->chans_num == 6) {
|
|
clear_cnt = clear_cnt / 2;
|
|
swptr = swptr / 2;
|
|
memset(state->other_states[0]->dmabuf.rawbuf + swptr,
|
|
silence, clear_cnt);
|
|
memset(state->other_states[1]->dmabuf.rawbuf + swptr,
|
|
silence, clear_cnt);
|
|
memset(state->other_states[2]->dmabuf.rawbuf + swptr,
|
|
silence, clear_cnt);
|
|
memset(state->other_states[3]->dmabuf.rawbuf + swptr,
|
|
silence, clear_cnt);
|
|
}
|
|
dmabuf->endcleared = 1;
|
|
}
|
|
} else if (dmabuf->count < (signed) dmabuf->fragsize) {
|
|
clear_cnt = dmabuf->fragsize;
|
|
if ((swptr + clear_cnt) > dmabuf->dmasize)
|
|
clear_cnt = dmabuf->dmasize - swptr;
|
|
memset(dmabuf->rawbuf + swptr, silence, clear_cnt);
|
|
if (state->chans_num == 6) {
|
|
clear_cnt = clear_cnt / 2;
|
|
swptr = swptr / 2;
|
|
memset(state->other_states[0]->dmabuf.rawbuf + swptr,
|
|
silence, clear_cnt);
|
|
memset(state->other_states[1]->dmabuf.rawbuf + swptr,
|
|
silence, clear_cnt);
|
|
memset(state->other_states[2]->dmabuf.rawbuf + swptr,
|
|
silence, clear_cnt);
|
|
memset(state->other_states[3]->dmabuf.rawbuf + swptr,
|
|
silence, clear_cnt);
|
|
}
|
|
dmabuf->endcleared = 1;
|
|
}
|
|
}
|
|
/* trident_update_ptr is called by interrupt handler or by process via
|
|
ioctl/poll, we only wake up the waiting process when we have more
|
|
than 1/2 buffer free (always true for interrupt handler) */
|
|
if (dmabuf->count < (signed) dmabuf->dmasize / 2)
|
|
wake_up(&dmabuf->wait);
|
|
}
|
|
}
|
|
dmabuf->update_flag &= ~ALI_ADDRESS_INT_UPDATE;
|
|
}
|
|
|
|
static void
|
|
trident_address_interrupt(struct trident_card *card)
|
|
{
|
|
int i;
|
|
struct trident_state *state;
|
|
unsigned int channel;
|
|
|
|
/* Update the pointers for all channels we are running. */
|
|
/* FIXME: should read interrupt status only once */
|
|
for (i = 0; i < NR_HW_CH; i++) {
|
|
channel = 63 - i;
|
|
if (trident_check_channel_interrupt(card, channel)) {
|
|
trident_ack_channel_interrupt(card, channel);
|
|
if ((state = card->states[i]) != NULL) {
|
|
trident_update_ptr(state);
|
|
} else {
|
|
printk(KERN_WARNING "trident: spurious channel "
|
|
"irq %d.\n", channel);
|
|
trident_stop_voice(card, channel);
|
|
trident_disable_voice_irq(card, channel);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ali_hwvol_control(struct trident_card *card, int opt)
|
|
{
|
|
u16 dwTemp, volume[2], mute, diff, *pVol[2];
|
|
|
|
dwTemp = ali_ac97_read(card->ac97_codec[0], 0x02);
|
|
mute = dwTemp & 0x8000;
|
|
volume[0] = dwTemp & 0x001f;
|
|
volume[1] = (dwTemp & 0x1f00) >> 8;
|
|
if (volume[0] < volume[1]) {
|
|
pVol[0] = &volume[0];
|
|
pVol[1] = &volume[1];
|
|
} else {
|
|
pVol[1] = &volume[0];
|
|
pVol[0] = &volume[1];
|
|
}
|
|
diff = *(pVol[1]) - *(pVol[0]);
|
|
|
|
if (opt == 1) { // MUTE
|
|
dwTemp ^= 0x8000;
|
|
ali_ac97_write(card->ac97_codec[0],
|
|
0x02, dwTemp);
|
|
} else if (opt == 2) { // Down
|
|
if (mute)
|
|
return;
|
|
if (*(pVol[1]) < 0x001f) {
|
|
(*pVol[1])++;
|
|
*(pVol[0]) = *(pVol[1]) - diff;
|
|
}
|
|
dwTemp &= 0xe0e0;
|
|
dwTemp |= (volume[0]) | (volume[1] << 8);
|
|
ali_ac97_write(card->ac97_codec[0], 0x02, dwTemp);
|
|
card->ac97_codec[0]->mixer_state[0] = ((32 - volume[0]) * 25 / 8) |
|
|
(((32 - volume[1]) * 25 / 8) << 8);
|
|
} else if (opt == 4) { // Up
|
|
if (mute)
|
|
return;
|
|
if (*(pVol[0]) > 0) {
|
|
(*pVol[0])--;
|
|
*(pVol[1]) = *(pVol[0]) + diff;
|
|
}
|
|
dwTemp &= 0xe0e0;
|
|
dwTemp |= (volume[0]) | (volume[1] << 8);
|
|
ali_ac97_write(card->ac97_codec[0], 0x02, dwTemp);
|
|
card->ac97_codec[0]->mixer_state[0] = ((32 - volume[0]) * 25 / 8) |
|
|
(((32 - volume[1]) * 25 / 8) << 8);
|
|
} else {
|
|
/* Nothing needs doing */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Re-enable reporting of vol change after 0.1 seconds
|
|
*/
|
|
|
|
static void
|
|
ali_timeout(unsigned long ptr)
|
|
{
|
|
struct trident_card *card = (struct trident_card *) ptr;
|
|
u16 temp = 0;
|
|
|
|
/* Enable GPIO IRQ (MISCINT bit 18h) */
|
|
temp = inw(TRID_REG(card, T4D_MISCINT + 2));
|
|
temp |= 0x0004;
|
|
outw(temp, TRID_REG(card, T4D_MISCINT + 2));
|
|
}
|
|
|
|
/*
|
|
* Set up the timer to clear the vol change notification
|
|
*/
|
|
|
|
static void
|
|
ali_set_timer(struct trident_card *card)
|
|
{
|
|
/* Add Timer Routine to Enable GPIO IRQ */
|
|
del_timer(&card->timer); /* Never queue twice */
|
|
card->timer.function = ali_timeout;
|
|
card->timer.data = (unsigned long) card;
|
|
card->timer.expires = jiffies + HZ / 10;
|
|
add_timer(&card->timer);
|
|
}
|
|
|
|
/*
|
|
* Process a GPIO event
|
|
*/
|
|
|
|
static void
|
|
ali_queue_task(struct trident_card *card, int opt)
|
|
{
|
|
u16 temp;
|
|
|
|
/* Disable GPIO IRQ (MISCINT bit 18h) */
|
|
temp = inw(TRID_REG(card, T4D_MISCINT + 2));
|
|
temp &= (u16) (~0x0004);
|
|
outw(temp, TRID_REG(card, T4D_MISCINT + 2));
|
|
|
|
/* Adjust the volume */
|
|
ali_hwvol_control(card, opt);
|
|
|
|
/* Set the timer for 1/10th sec */
|
|
ali_set_timer(card);
|
|
}
|
|
|
|
static void
|
|
cyber_address_interrupt(struct trident_card *card)
|
|
{
|
|
int i, irq_status;
|
|
struct trident_state *state;
|
|
unsigned int channel;
|
|
|
|
/* Update the pointers for all channels we are running. */
|
|
/* FIXED: read interrupt status only once */
|
|
irq_status = inl(TRID_REG(card, T4D_AINT_A));
|
|
|
|
pr_debug("cyber_address_interrupt: irq_status 0x%X\n", irq_status);
|
|
|
|
for (i = 0; i < NR_HW_CH; i++) {
|
|
channel = 31 - i;
|
|
if (irq_status & (1 << channel)) {
|
|
/* clear bit by writing a 1, zeroes are ignored */
|
|
outl((1 << channel), TRID_REG(card, T4D_AINT_A));
|
|
|
|
pr_debug("cyber_interrupt: channel %d\n", channel);
|
|
|
|
if ((state = card->states[i]) != NULL) {
|
|
trident_update_ptr(state);
|
|
} else {
|
|
printk(KERN_WARNING "cyber5050: spurious "
|
|
"channel irq %d.\n", channel);
|
|
trident_stop_voice(card, channel);
|
|
trident_disable_voice_irq(card, channel);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static irqreturn_t
|
|
trident_interrupt(int irq, void *dev_id, struct pt_regs *regs)
|
|
{
|
|
struct trident_card *card = (struct trident_card *) dev_id;
|
|
u32 event;
|
|
u32 gpio;
|
|
|
|
spin_lock(&card->lock);
|
|
event = inl(TRID_REG(card, T4D_MISCINT));
|
|
|
|
pr_debug("trident: trident_interrupt called, MISCINT = 0x%08x\n",
|
|
event);
|
|
|
|
if (event & ADDRESS_IRQ) {
|
|
card->address_interrupt(card);
|
|
}
|
|
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
/* GPIO IRQ (H/W Volume Control) */
|
|
event = inl(TRID_REG(card, T4D_MISCINT));
|
|
if (event & (1 << 25)) {
|
|
gpio = inl(TRID_REG(card, ALI_GPIO));
|
|
if (!timer_pending(&card->timer))
|
|
ali_queue_task(card, gpio & 0x07);
|
|
}
|
|
event = inl(TRID_REG(card, T4D_MISCINT));
|
|
outl(event | (ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
|
|
TRID_REG(card, T4D_MISCINT));
|
|
spin_unlock(&card->lock);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/* manually clear interrupt status, bad hardware design, blame T^2 */
|
|
outl((ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
|
|
TRID_REG(card, T4D_MISCINT));
|
|
spin_unlock(&card->lock);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/* in this loop, dmabuf.count signifies the amount of data that is waiting */
|
|
/* to be copied to the user's buffer. it is filled by the dma machine and */
|
|
/* drained by this loop. */
|
|
static ssize_t
|
|
trident_read(struct file *file, char __user *buffer, size_t count, loff_t * ppos)
|
|
{
|
|
struct trident_state *state = (struct trident_state *)file->private_data;
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
ssize_t ret = 0;
|
|
unsigned long flags;
|
|
unsigned swptr;
|
|
int cnt;
|
|
|
|
pr_debug("trident: trident_read called, count = %d\n", count);
|
|
|
|
VALIDATE_STATE(state);
|
|
|
|
if (dmabuf->mapped)
|
|
return -ENXIO;
|
|
if (!access_ok(VERIFY_WRITE, buffer, count))
|
|
return -EFAULT;
|
|
|
|
down(&state->sem);
|
|
if (!dmabuf->ready && (ret = prog_dmabuf_record(state)))
|
|
goto out;
|
|
|
|
while (count > 0) {
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
if (dmabuf->count > (signed) dmabuf->dmasize) {
|
|
/* buffer overrun, we are recovering from */
|
|
/* sleep_on_timeout, resync hwptr and swptr, */
|
|
/* make process flush the buffer */
|
|
dmabuf->count = dmabuf->dmasize;
|
|
dmabuf->swptr = dmabuf->hwptr;
|
|
}
|
|
swptr = dmabuf->swptr;
|
|
cnt = dmabuf->dmasize - swptr;
|
|
if (dmabuf->count < cnt)
|
|
cnt = dmabuf->count;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
|
|
if (cnt > count)
|
|
cnt = count;
|
|
if (cnt <= 0) {
|
|
unsigned long tmo;
|
|
/* buffer is empty, start the dma machine and */
|
|
/* wait for data to be recorded */
|
|
start_adc(state);
|
|
if (file->f_flags & O_NONBLOCK) {
|
|
if (!ret)
|
|
ret = -EAGAIN;
|
|
goto out;
|
|
}
|
|
|
|
up(&state->sem);
|
|
/* No matter how much space left in the buffer, */
|
|
/* we have to wait until CSO == ESO/2 or CSO == ESO */
|
|
/* when address engine interrupts */
|
|
tmo = (dmabuf->dmasize * HZ) / (dmabuf->rate * 2);
|
|
tmo >>= sample_shift[dmabuf->fmt];
|
|
/* There are two situations when sleep_on_timeout returns, one is when
|
|
the interrupt is serviced correctly and the process is waked up by
|
|
ISR ON TIME. Another is when timeout is expired, which means that
|
|
either interrupt is NOT serviced correctly (pending interrupt) or it
|
|
is TOO LATE for the process to be scheduled to run (scheduler latency)
|
|
which results in a (potential) buffer overrun. And worse, there is
|
|
NOTHING we can do to prevent it. */
|
|
if (!interruptible_sleep_on_timeout(&dmabuf->wait, tmo)) {
|
|
pr_debug(KERN_ERR "trident: recording schedule timeout, "
|
|
"dmasz %u fragsz %u count %i hwptr %u swptr %u\n",
|
|
dmabuf->dmasize, dmabuf->fragsize, dmabuf->count,
|
|
dmabuf->hwptr, dmabuf->swptr);
|
|
|
|
/* a buffer overrun, we delay the recovery until next time the
|
|
while loop begin and we REALLY have space to record */
|
|
}
|
|
if (signal_pending(current)) {
|
|
if (!ret)
|
|
ret = -ERESTARTSYS;
|
|
goto out;
|
|
}
|
|
down(&state->sem);
|
|
if (dmabuf->mapped) {
|
|
if (!ret)
|
|
ret = -ENXIO;
|
|
goto out;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (copy_to_user(buffer, dmabuf->rawbuf + swptr, cnt)) {
|
|
if (!ret)
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
swptr = (swptr + cnt) % dmabuf->dmasize;
|
|
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
dmabuf->swptr = swptr;
|
|
dmabuf->count -= cnt;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
|
|
count -= cnt;
|
|
buffer += cnt;
|
|
ret += cnt;
|
|
start_adc(state);
|
|
}
|
|
out:
|
|
up(&state->sem);
|
|
return ret;
|
|
}
|
|
|
|
/* in this loop, dmabuf.count signifies the amount of data that is waiting to be dma to
|
|
the soundcard. it is drained by the dma machine and filled by this loop. */
|
|
|
|
static ssize_t
|
|
trident_write(struct file *file, const char __user *buffer, size_t count, loff_t * ppos)
|
|
{
|
|
struct trident_state *state = (struct trident_state *)file->private_data;
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
ssize_t ret;
|
|
unsigned long flags;
|
|
unsigned swptr;
|
|
int cnt;
|
|
unsigned int state_cnt;
|
|
unsigned int copy_count;
|
|
int lret; /* for lock_set_fmt */
|
|
|
|
pr_debug("trident: trident_write called, count = %d\n", count);
|
|
|
|
VALIDATE_STATE(state);
|
|
|
|
/*
|
|
* Guard against an mmap or ioctl while writing
|
|
*/
|
|
|
|
down(&state->sem);
|
|
|
|
if (dmabuf->mapped) {
|
|
ret = -ENXIO;
|
|
goto out;
|
|
}
|
|
if (!dmabuf->ready && (ret = prog_dmabuf_playback(state)))
|
|
goto out;
|
|
|
|
if (!access_ok(VERIFY_READ, buffer, count)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
while (count > 0) {
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
if (dmabuf->count < 0) {
|
|
/* buffer underrun, we are recovering from */
|
|
/* sleep_on_timeout, resync hwptr and swptr */
|
|
dmabuf->count = 0;
|
|
dmabuf->swptr = dmabuf->hwptr;
|
|
}
|
|
swptr = dmabuf->swptr;
|
|
cnt = dmabuf->dmasize - swptr;
|
|
if (dmabuf->count + cnt > dmabuf->dmasize)
|
|
cnt = dmabuf->dmasize - dmabuf->count;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
|
|
if (cnt > count)
|
|
cnt = count;
|
|
if (cnt <= 0) {
|
|
unsigned long tmo;
|
|
/* buffer is full, start the dma machine and */
|
|
/* wait for data to be played */
|
|
start_dac(state);
|
|
if (file->f_flags & O_NONBLOCK) {
|
|
if (!ret)
|
|
ret = -EAGAIN;
|
|
goto out;
|
|
}
|
|
/* No matter how much data left in the buffer, */
|
|
/* we have to wait until CSO == ESO/2 or CSO == ESO */
|
|
/* when address engine interrupts */
|
|
lock_set_fmt(state);
|
|
tmo = (dmabuf->dmasize * HZ) / (dmabuf->rate * 2);
|
|
tmo >>= sample_shift[dmabuf->fmt];
|
|
unlock_set_fmt(state);
|
|
up(&state->sem);
|
|
|
|
/* There are two situations when sleep_on_timeout */
|
|
/* returns, one is when the interrupt is serviced */
|
|
/* correctly and the process is waked up by ISR */
|
|
/* ON TIME. Another is when timeout is expired, which */
|
|
/* means that either interrupt is NOT serviced */
|
|
/* correctly (pending interrupt) or it is TOO LATE */
|
|
/* for the process to be scheduled to run */
|
|
/* (scheduler latency) which results in a (potential) */
|
|
/* buffer underrun. And worse, there is NOTHING we */
|
|
/* can do to prevent it. */
|
|
if (!interruptible_sleep_on_timeout(&dmabuf->wait, tmo)) {
|
|
pr_debug(KERN_ERR "trident: playback schedule "
|
|
"timeout, dmasz %u fragsz %u count %i "
|
|
"hwptr %u swptr %u\n", dmabuf->dmasize,
|
|
dmabuf->fragsize, dmabuf->count,
|
|
dmabuf->hwptr, dmabuf->swptr);
|
|
|
|
/* a buffer underrun, we delay the recovery */
|
|
/* until next time the while loop begin and */
|
|
/* we REALLY have data to play */
|
|
}
|
|
if (signal_pending(current)) {
|
|
if (!ret)
|
|
ret = -ERESTARTSYS;
|
|
goto out_nolock;
|
|
}
|
|
down(&state->sem);
|
|
if (dmabuf->mapped) {
|
|
if (!ret)
|
|
ret = -ENXIO;
|
|
goto out;
|
|
}
|
|
continue;
|
|
}
|
|
if ((lret = lock_set_fmt(state)) < 0) {
|
|
ret = lret;
|
|
goto out;
|
|
}
|
|
|
|
if (state->chans_num == 6) {
|
|
copy_count = 0;
|
|
state_cnt = 0;
|
|
if (ali_write_5_1(state, buffer, cnt, ©_count,
|
|
&state_cnt) == -EFAULT) {
|
|
if (state_cnt) {
|
|
swptr = (swptr + state_cnt) % dmabuf->dmasize;
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
dmabuf->swptr = swptr;
|
|
dmabuf->count += state_cnt;
|
|
dmabuf->endcleared = 0;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
}
|
|
ret += copy_count;
|
|
if (!ret)
|
|
ret = -EFAULT;
|
|
unlock_set_fmt(state);
|
|
goto out;
|
|
}
|
|
} else {
|
|
if (copy_from_user(dmabuf->rawbuf + swptr,
|
|
buffer, cnt)) {
|
|
if (!ret)
|
|
ret = -EFAULT;
|
|
unlock_set_fmt(state);
|
|
goto out;
|
|
}
|
|
state_cnt = cnt;
|
|
}
|
|
unlock_set_fmt(state);
|
|
|
|
swptr = (swptr + state_cnt) % dmabuf->dmasize;
|
|
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
dmabuf->swptr = swptr;
|
|
dmabuf->count += state_cnt;
|
|
dmabuf->endcleared = 0;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
|
|
count -= cnt;
|
|
buffer += cnt;
|
|
ret += cnt;
|
|
start_dac(state);
|
|
}
|
|
out:
|
|
up(&state->sem);
|
|
out_nolock:
|
|
return ret;
|
|
}
|
|
|
|
/* No kernel lock - we have our own spinlock */
|
|
static unsigned int
|
|
trident_poll(struct file *file, struct poll_table_struct *wait)
|
|
{
|
|
struct trident_state *state = (struct trident_state *)file->private_data;
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned long flags;
|
|
unsigned int mask = 0;
|
|
|
|
VALIDATE_STATE(state);
|
|
|
|
/*
|
|
* Guard against a parallel poll and write causing multiple
|
|
* prog_dmabuf events
|
|
*/
|
|
|
|
down(&state->sem);
|
|
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
if (!dmabuf->ready && prog_dmabuf_playback(state)) {
|
|
up(&state->sem);
|
|
return 0;
|
|
}
|
|
poll_wait(file, &dmabuf->wait, wait);
|
|
}
|
|
if (file->f_mode & FMODE_READ) {
|
|
if (!dmabuf->ready && prog_dmabuf_record(state)) {
|
|
up(&state->sem);
|
|
return 0;
|
|
}
|
|
poll_wait(file, &dmabuf->wait, wait);
|
|
}
|
|
|
|
up(&state->sem);
|
|
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
trident_update_ptr(state);
|
|
if (file->f_mode & FMODE_READ) {
|
|
if (dmabuf->count >= (signed) dmabuf->fragsize)
|
|
mask |= POLLIN | POLLRDNORM;
|
|
}
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
if (dmabuf->mapped) {
|
|
if (dmabuf->count >= (signed) dmabuf->fragsize)
|
|
mask |= POLLOUT | POLLWRNORM;
|
|
} else {
|
|
if ((signed) dmabuf->dmasize >= dmabuf->count +
|
|
(signed) dmabuf->fragsize)
|
|
mask |= POLLOUT | POLLWRNORM;
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
|
|
return mask;
|
|
}
|
|
|
|
static int
|
|
trident_mmap(struct file *file, struct vm_area_struct *vma)
|
|
{
|
|
struct trident_state *state = (struct trident_state *)file->private_data;
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
int ret = -EINVAL;
|
|
unsigned long size;
|
|
|
|
VALIDATE_STATE(state);
|
|
|
|
/*
|
|
* Lock against poll read write or mmap creating buffers. Also lock
|
|
* a read or write against an mmap.
|
|
*/
|
|
|
|
down(&state->sem);
|
|
|
|
if (vma->vm_flags & VM_WRITE) {
|
|
if ((ret = prog_dmabuf_playback(state)) != 0)
|
|
goto out;
|
|
} else if (vma->vm_flags & VM_READ) {
|
|
if ((ret = prog_dmabuf_record(state)) != 0)
|
|
goto out;
|
|
} else
|
|
goto out;
|
|
|
|
ret = -EINVAL;
|
|
if (vma->vm_pgoff != 0)
|
|
goto out;
|
|
size = vma->vm_end - vma->vm_start;
|
|
if (size > (PAGE_SIZE << dmabuf->buforder))
|
|
goto out;
|
|
ret = -EAGAIN;
|
|
if (remap_pfn_range(vma, vma->vm_start,
|
|
virt_to_phys(dmabuf->rawbuf) >> PAGE_SHIFT,
|
|
size, vma->vm_page_prot))
|
|
goto out;
|
|
dmabuf->mapped = 1;
|
|
ret = 0;
|
|
out:
|
|
up(&state->sem);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
trident_ioctl(struct inode *inode, struct file *file,
|
|
unsigned int cmd, unsigned long arg)
|
|
{
|
|
struct trident_state *state = (struct trident_state *)file->private_data;
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
unsigned long flags;
|
|
audio_buf_info abinfo;
|
|
count_info cinfo;
|
|
int val, mapped, ret = 0;
|
|
struct trident_card *card = state->card;
|
|
void __user *argp = (void __user *)arg;
|
|
int __user *p = argp;
|
|
|
|
VALIDATE_STATE(state);
|
|
|
|
|
|
mapped = ((file->f_mode & (FMODE_WRITE | FMODE_READ)) && dmabuf->mapped);
|
|
|
|
pr_debug("trident: trident_ioctl, command = %2d, arg = 0x%08x\n",
|
|
_IOC_NR(cmd), arg ? *p : 0);
|
|
|
|
switch (cmd) {
|
|
case OSS_GETVERSION:
|
|
ret = put_user(SOUND_VERSION, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_RESET:
|
|
/* FIXME: spin_lock ? */
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
stop_dac(state);
|
|
synchronize_irq(card->irq);
|
|
dmabuf->ready = 0;
|
|
dmabuf->swptr = dmabuf->hwptr = 0;
|
|
dmabuf->count = dmabuf->total_bytes = 0;
|
|
}
|
|
if (file->f_mode & FMODE_READ) {
|
|
stop_adc(state);
|
|
synchronize_irq(card->irq);
|
|
dmabuf->ready = 0;
|
|
dmabuf->swptr = dmabuf->hwptr = 0;
|
|
dmabuf->count = dmabuf->total_bytes = 0;
|
|
}
|
|
break;
|
|
|
|
case SNDCTL_DSP_SYNC:
|
|
if (file->f_mode & FMODE_WRITE)
|
|
ret = drain_dac(state, file->f_flags & O_NONBLOCK);
|
|
break;
|
|
|
|
case SNDCTL_DSP_SPEED: /* set smaple rate */
|
|
if (get_user(val, p)) {
|
|
ret = -EFAULT;
|
|
break;
|
|
}
|
|
if (val >= 0) {
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
stop_dac(state);
|
|
dmabuf->ready = 0;
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
trident_set_dac_rate(state, val);
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
}
|
|
if (file->f_mode & FMODE_READ) {
|
|
stop_adc(state);
|
|
dmabuf->ready = 0;
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
trident_set_adc_rate(state, val);
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
}
|
|
}
|
|
ret = put_user(dmabuf->rate, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_STEREO: /* set stereo or mono channel */
|
|
if (get_user(val, p)) {
|
|
ret = -EFAULT;
|
|
break;
|
|
}
|
|
if ((ret = lock_set_fmt(state)) < 0)
|
|
return ret;
|
|
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
stop_dac(state);
|
|
dmabuf->ready = 0;
|
|
if (val)
|
|
dmabuf->fmt |= TRIDENT_FMT_STEREO;
|
|
else
|
|
dmabuf->fmt &= ~TRIDENT_FMT_STEREO;
|
|
}
|
|
if (file->f_mode & FMODE_READ) {
|
|
stop_adc(state);
|
|
dmabuf->ready = 0;
|
|
if (val)
|
|
dmabuf->fmt |= TRIDENT_FMT_STEREO;
|
|
else
|
|
dmabuf->fmt &= ~TRIDENT_FMT_STEREO;
|
|
}
|
|
unlock_set_fmt(state);
|
|
break;
|
|
|
|
case SNDCTL_DSP_GETBLKSIZE:
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
if ((val = prog_dmabuf_playback(state)))
|
|
ret = val;
|
|
else
|
|
ret = put_user(dmabuf->fragsize, p);
|
|
break;
|
|
}
|
|
if (file->f_mode & FMODE_READ) {
|
|
if ((val = prog_dmabuf_record(state)))
|
|
ret = val;
|
|
else
|
|
ret = put_user(dmabuf->fragsize, p);
|
|
break;
|
|
}
|
|
/* neither READ nor WRITE? is this even possible? */
|
|
ret = -EINVAL;
|
|
break;
|
|
|
|
|
|
case SNDCTL_DSP_GETFMTS: /* Returns a mask of supported sample format */
|
|
ret = put_user(AFMT_S16_LE | AFMT_U16_LE | AFMT_S8 |
|
|
AFMT_U8, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_SETFMT: /* Select sample format */
|
|
if (get_user(val, p)) {
|
|
ret = -EFAULT;
|
|
break;
|
|
}
|
|
if ((ret = lock_set_fmt(state)) < 0)
|
|
return ret;
|
|
|
|
if (val != AFMT_QUERY) {
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
stop_dac(state);
|
|
dmabuf->ready = 0;
|
|
if (val == AFMT_S16_LE)
|
|
dmabuf->fmt |= TRIDENT_FMT_16BIT;
|
|
else
|
|
dmabuf->fmt &= ~TRIDENT_FMT_16BIT;
|
|
}
|
|
if (file->f_mode & FMODE_READ) {
|
|
stop_adc(state);
|
|
dmabuf->ready = 0;
|
|
if (val == AFMT_S16_LE)
|
|
dmabuf->fmt |= TRIDENT_FMT_16BIT;
|
|
else
|
|
dmabuf->fmt &= ~TRIDENT_FMT_16BIT;
|
|
}
|
|
}
|
|
unlock_set_fmt(state);
|
|
ret = put_user((dmabuf->fmt & TRIDENT_FMT_16BIT) ? AFMT_S16_LE :
|
|
AFMT_U8, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_CHANNELS:
|
|
if (get_user(val, p)) {
|
|
ret = -EFAULT;
|
|
break;
|
|
}
|
|
if (val != 0) {
|
|
if ((ret = lock_set_fmt(state)) < 0)
|
|
return ret;
|
|
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
stop_dac(state);
|
|
dmabuf->ready = 0;
|
|
|
|
//prevent from memory leak
|
|
if ((state->chans_num > 2) && (state->chans_num != val)) {
|
|
ali_free_other_states_resources(state);
|
|
state->chans_num = 1;
|
|
}
|
|
|
|
if (val >= 2) {
|
|
|
|
dmabuf->fmt |= TRIDENT_FMT_STEREO;
|
|
if ((val == 6) && (state->card->pci_id == PCI_DEVICE_ID_ALI_5451)) {
|
|
if (card->rec_channel_use_count > 0) {
|
|
printk(KERN_ERR "trident: Record is "
|
|
"working on the card!\n");
|
|
ret = -EBUSY;
|
|
unlock_set_fmt(state);
|
|
break;
|
|
}
|
|
|
|
ret = ali_setup_multi_channels(state->card, 6);
|
|
if (ret < 0) {
|
|
unlock_set_fmt(state);
|
|
break;
|
|
}
|
|
down(&state->card->open_sem);
|
|
ret = ali_allocate_other_states_resources(state, 6);
|
|
if (ret < 0) {
|
|
up(&state->card->open_sem);
|
|
unlock_set_fmt(state);
|
|
break;
|
|
}
|
|
state->card->multi_channel_use_count++;
|
|
up(&state->card->open_sem);
|
|
} else
|
|
val = 2; /*yield to 2-channels */
|
|
} else
|
|
dmabuf->fmt &= ~TRIDENT_FMT_STEREO;
|
|
state->chans_num = val;
|
|
}
|
|
if (file->f_mode & FMODE_READ) {
|
|
stop_adc(state);
|
|
dmabuf->ready = 0;
|
|
if (val >= 2) {
|
|
if (!((file->f_mode & FMODE_WRITE) &&
|
|
(val == 6)))
|
|
val = 2;
|
|
dmabuf->fmt |= TRIDENT_FMT_STEREO;
|
|
} else
|
|
dmabuf->fmt &= ~TRIDENT_FMT_STEREO;
|
|
state->chans_num = val;
|
|
}
|
|
unlock_set_fmt(state);
|
|
}
|
|
ret = put_user(val, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_POST:
|
|
/* Cause the working fragment to be output */
|
|
break;
|
|
|
|
case SNDCTL_DSP_SUBDIVIDE:
|
|
if (dmabuf->subdivision) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
if (get_user(val, p)) {
|
|
ret = -EFAULT;
|
|
break;
|
|
}
|
|
if (val != 1 && val != 2 && val != 4) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
dmabuf->subdivision = val;
|
|
break;
|
|
|
|
case SNDCTL_DSP_SETFRAGMENT:
|
|
if (get_user(val, p)) {
|
|
ret = -EFAULT;
|
|
break;
|
|
}
|
|
|
|
dmabuf->ossfragshift = val & 0xffff;
|
|
dmabuf->ossmaxfrags = (val >> 16) & 0xffff;
|
|
if (dmabuf->ossfragshift < 4)
|
|
dmabuf->ossfragshift = 4;
|
|
if (dmabuf->ossfragshift > 15)
|
|
dmabuf->ossfragshift = 15;
|
|
if (dmabuf->ossmaxfrags < 4)
|
|
dmabuf->ossmaxfrags = 4;
|
|
|
|
break;
|
|
|
|
case SNDCTL_DSP_GETOSPACE:
|
|
if (!(file->f_mode & FMODE_WRITE)) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
if (!dmabuf->ready && (val = prog_dmabuf_playback(state)) != 0) {
|
|
ret = val;
|
|
break;
|
|
}
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
trident_update_ptr(state);
|
|
abinfo.fragsize = dmabuf->fragsize;
|
|
abinfo.bytes = dmabuf->dmasize - dmabuf->count;
|
|
abinfo.fragstotal = dmabuf->numfrag;
|
|
abinfo.fragments = abinfo.bytes >> dmabuf->fragshift;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
ret = copy_to_user(argp, &abinfo, sizeof (abinfo)) ?
|
|
-EFAULT : 0;
|
|
break;
|
|
|
|
case SNDCTL_DSP_GETISPACE:
|
|
if (!(file->f_mode & FMODE_READ)) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
if (!dmabuf->ready && (val = prog_dmabuf_record(state)) != 0) {
|
|
ret = val;
|
|
break;
|
|
}
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
trident_update_ptr(state);
|
|
abinfo.fragsize = dmabuf->fragsize;
|
|
abinfo.bytes = dmabuf->count;
|
|
abinfo.fragstotal = dmabuf->numfrag;
|
|
abinfo.fragments = abinfo.bytes >> dmabuf->fragshift;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
ret = copy_to_user(argp, &abinfo, sizeof (abinfo)) ?
|
|
-EFAULT : 0;
|
|
break;
|
|
|
|
case SNDCTL_DSP_NONBLOCK:
|
|
file->f_flags |= O_NONBLOCK;
|
|
break;
|
|
|
|
case SNDCTL_DSP_GETCAPS:
|
|
ret = put_user(DSP_CAP_REALTIME | DSP_CAP_TRIGGER |
|
|
DSP_CAP_MMAP | DSP_CAP_BIND, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_GETTRIGGER:
|
|
val = 0;
|
|
if ((file->f_mode & FMODE_READ) && dmabuf->enable)
|
|
val |= PCM_ENABLE_INPUT;
|
|
if ((file->f_mode & FMODE_WRITE) && dmabuf->enable)
|
|
val |= PCM_ENABLE_OUTPUT;
|
|
ret = put_user(val, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_SETTRIGGER:
|
|
if (get_user(val, p)) {
|
|
ret = -EFAULT;
|
|
break;
|
|
}
|
|
if (file->f_mode & FMODE_READ) {
|
|
if (val & PCM_ENABLE_INPUT) {
|
|
if (!dmabuf->ready &&
|
|
(ret = prog_dmabuf_record(state)))
|
|
break;
|
|
start_adc(state);
|
|
} else
|
|
stop_adc(state);
|
|
}
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
if (val & PCM_ENABLE_OUTPUT) {
|
|
if (!dmabuf->ready &&
|
|
(ret = prog_dmabuf_playback(state)))
|
|
break;
|
|
start_dac(state);
|
|
} else
|
|
stop_dac(state);
|
|
}
|
|
break;
|
|
|
|
case SNDCTL_DSP_GETIPTR:
|
|
if (!(file->f_mode & FMODE_READ)) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
if (!dmabuf->ready && (val = prog_dmabuf_record(state))
|
|
!= 0) {
|
|
ret = val;
|
|
break;
|
|
}
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
trident_update_ptr(state);
|
|
cinfo.bytes = dmabuf->total_bytes;
|
|
cinfo.blocks = dmabuf->count >> dmabuf->fragshift;
|
|
cinfo.ptr = dmabuf->hwptr;
|
|
if (dmabuf->mapped)
|
|
dmabuf->count &= dmabuf->fragsize - 1;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
ret = copy_to_user(argp, &cinfo, sizeof (cinfo)) ?
|
|
-EFAULT : 0;
|
|
break;
|
|
|
|
case SNDCTL_DSP_GETOPTR:
|
|
if (!(file->f_mode & FMODE_WRITE)) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
if (!dmabuf->ready && (val = prog_dmabuf_playback(state))
|
|
!= 0) {
|
|
ret = val;
|
|
break;
|
|
}
|
|
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
trident_update_ptr(state);
|
|
cinfo.bytes = dmabuf->total_bytes;
|
|
cinfo.blocks = dmabuf->count >> dmabuf->fragshift;
|
|
cinfo.ptr = dmabuf->hwptr;
|
|
if (dmabuf->mapped)
|
|
dmabuf->count &= dmabuf->fragsize - 1;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
ret = copy_to_user(argp, &cinfo, sizeof (cinfo)) ?
|
|
-EFAULT : 0;
|
|
break;
|
|
|
|
case SNDCTL_DSP_SETDUPLEX:
|
|
ret = -EINVAL;
|
|
break;
|
|
|
|
case SNDCTL_DSP_GETODELAY:
|
|
if (!(file->f_mode & FMODE_WRITE)) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
if (!dmabuf->ready && (val = prog_dmabuf_playback(state)) != 0) {
|
|
ret = val;
|
|
break;
|
|
}
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
|
trident_update_ptr(state);
|
|
val = dmabuf->count;
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
|
ret = put_user(val, p);
|
|
break;
|
|
|
|
case SOUND_PCM_READ_RATE:
|
|
ret = put_user(dmabuf->rate, p);
|
|
break;
|
|
|
|
case SOUND_PCM_READ_CHANNELS:
|
|
ret = put_user((dmabuf->fmt & TRIDENT_FMT_STEREO) ? 2 : 1,
|
|
p);
|
|
break;
|
|
|
|
case SOUND_PCM_READ_BITS:
|
|
ret = put_user((dmabuf->fmt & TRIDENT_FMT_16BIT) ? AFMT_S16_LE :
|
|
AFMT_U8, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_GETCHANNELMASK:
|
|
ret = put_user(DSP_BIND_FRONT | DSP_BIND_SURR |
|
|
DSP_BIND_CENTER_LFE, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_BIND_CHANNEL:
|
|
if (state->card->pci_id != PCI_DEVICE_ID_SI_7018) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
if (get_user(val, p)) {
|
|
ret = -EFAULT;
|
|
break;
|
|
}
|
|
if (val == DSP_BIND_QUERY) {
|
|
val = dmabuf->channel->attribute | 0x3c00;
|
|
val = attr2mask[val >> 8];
|
|
} else {
|
|
dmabuf->ready = 0;
|
|
if (file->f_mode & FMODE_READ)
|
|
dmabuf->channel->attribute = (CHANNEL_REC |
|
|
SRC_ENABLE);
|
|
if (file->f_mode & FMODE_WRITE)
|
|
dmabuf->channel->attribute = (CHANNEL_SPC_PB |
|
|
SRC_ENABLE);
|
|
dmabuf->channel->attribute |= mask2attr[ffs(val)];
|
|
}
|
|
ret = put_user(val, p);
|
|
break;
|
|
|
|
case SNDCTL_DSP_MAPINBUF:
|
|
case SNDCTL_DSP_MAPOUTBUF:
|
|
case SNDCTL_DSP_SETSYNCRO:
|
|
case SOUND_PCM_WRITE_FILTER:
|
|
case SOUND_PCM_READ_FILTER:
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
trident_open(struct inode *inode, struct file *file)
|
|
{
|
|
int i = 0;
|
|
int minor = iminor(inode);
|
|
struct trident_card *card = devs;
|
|
struct trident_state *state = NULL;
|
|
struct dmabuf *dmabuf = NULL;
|
|
|
|
/* Added by Matt Wu 01-05-2001 */
|
|
/* TODO: there's some redundacy here wrt the check below */
|
|
/* for multi_use_count > 0. Should we return -EBUSY or find */
|
|
/* a different card? for now, don't break current behaviour */
|
|
/* -- mulix */
|
|
if (file->f_mode & FMODE_READ) {
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
if (card->multi_channel_use_count > 0)
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
|
|
/* find an available virtual channel (instance of /dev/dsp) */
|
|
while (card != NULL) {
|
|
down(&card->open_sem);
|
|
if (file->f_mode & FMODE_READ) {
|
|
/* Skip opens on cards that are in 6 channel mode */
|
|
if (card->multi_channel_use_count > 0) {
|
|
up(&card->open_sem);
|
|
card = card->next;
|
|
continue;
|
|
}
|
|
}
|
|
for (i = 0; i < NR_HW_CH; i++) {
|
|
if (card->states[i] == NULL) {
|
|
state = card->states[i] = kmalloc(sizeof(*state), GFP_KERNEL);
|
|
if (state == NULL) {
|
|
up(&card->open_sem);
|
|
return -ENOMEM;
|
|
}
|
|
memset(state, 0, sizeof(*state));
|
|
init_MUTEX(&state->sem);
|
|
dmabuf = &state->dmabuf;
|
|
goto found_virt;
|
|
}
|
|
}
|
|
up(&card->open_sem);
|
|
card = card->next;
|
|
}
|
|
/* no more virtual channel avaiable */
|
|
if (!state) {
|
|
return -ENODEV;
|
|
}
|
|
found_virt:
|
|
/* found a free virtual channel, allocate hardware channels */
|
|
if (file->f_mode & FMODE_READ)
|
|
dmabuf->channel = card->alloc_rec_pcm_channel(card);
|
|
else
|
|
dmabuf->channel = card->alloc_pcm_channel(card);
|
|
|
|
if (dmabuf->channel == NULL) {
|
|
kfree(card->states[i]);
|
|
card->states[i] = NULL;
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* initialize the virtual channel */
|
|
state->virt = i;
|
|
state->card = card;
|
|
state->magic = TRIDENT_STATE_MAGIC;
|
|
init_waitqueue_head(&dmabuf->wait);
|
|
file->private_data = state;
|
|
|
|
/* set default sample format. According to OSS Programmer's */
|
|
/* Guide /dev/dsp should be default to unsigned 8-bits, mono, */
|
|
/* with sample rate 8kHz and /dev/dspW will accept 16-bits sample */
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
dmabuf->fmt &= ~TRIDENT_FMT_MASK;
|
|
if ((minor & 0x0f) == SND_DEV_DSP16)
|
|
dmabuf->fmt |= TRIDENT_FMT_16BIT;
|
|
dmabuf->ossfragshift = 0;
|
|
dmabuf->ossmaxfrags = 0;
|
|
dmabuf->subdivision = 0;
|
|
if (card->pci_id == PCI_DEVICE_ID_SI_7018) {
|
|
/* set default channel attribute to normal playback */
|
|
dmabuf->channel->attribute = CHANNEL_PB;
|
|
}
|
|
trident_set_dac_rate(state, 8000);
|
|
}
|
|
|
|
if (file->f_mode & FMODE_READ) {
|
|
/* FIXME: Trident 4d can only record in signed 16-bits stereo, */
|
|
/* 48kHz sample, to be dealed with in trident_set_adc_rate() ?? */
|
|
dmabuf->fmt &= ~TRIDENT_FMT_MASK;
|
|
if ((minor & 0x0f) == SND_DEV_DSP16)
|
|
dmabuf->fmt |= TRIDENT_FMT_16BIT;
|
|
dmabuf->ossfragshift = 0;
|
|
dmabuf->ossmaxfrags = 0;
|
|
dmabuf->subdivision = 0;
|
|
if (card->pci_id == PCI_DEVICE_ID_SI_7018) {
|
|
/* set default channel attribute to 0x8a80, record from
|
|
PCM L/R FIFO and mono = (left + right + 1)/2 */
|
|
dmabuf->channel->attribute = (CHANNEL_REC | PCM_LR |
|
|
MONO_MIX);
|
|
}
|
|
trident_set_adc_rate(state, 8000);
|
|
|
|
/* Added by Matt Wu 01-05-2001 */
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451)
|
|
card->rec_channel_use_count++;
|
|
}
|
|
|
|
state->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
|
|
up(&card->open_sem);
|
|
|
|
pr_debug("trident: open virtual channel %d, hard channel %d\n",
|
|
state->virt, dmabuf->channel->num);
|
|
|
|
return nonseekable_open(inode, file);
|
|
}
|
|
|
|
static int
|
|
trident_release(struct inode *inode, struct file *file)
|
|
{
|
|
struct trident_state *state = (struct trident_state *)file->private_data;
|
|
struct trident_card *card;
|
|
struct dmabuf *dmabuf;
|
|
|
|
VALIDATE_STATE(state);
|
|
|
|
card = state->card;
|
|
dmabuf = &state->dmabuf;
|
|
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
trident_clear_tail(state);
|
|
drain_dac(state, file->f_flags & O_NONBLOCK);
|
|
}
|
|
|
|
pr_debug("trident: closing virtual channel %d, hard channel %d\n",
|
|
state->virt, dmabuf->channel->num);
|
|
|
|
/* stop DMA state machine and free DMA buffers/channels */
|
|
down(&card->open_sem);
|
|
|
|
if (file->f_mode & FMODE_WRITE) {
|
|
stop_dac(state);
|
|
dealloc_dmabuf(&state->dmabuf, state->card->pci_dev);
|
|
state->card->free_pcm_channel(state->card, dmabuf->channel->num);
|
|
|
|
/* Added by Matt Wu */
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
if (state->chans_num > 2) {
|
|
if (card->multi_channel_use_count-- < 0)
|
|
card->multi_channel_use_count = 0;
|
|
if (card->multi_channel_use_count == 0)
|
|
ali_close_multi_channels();
|
|
ali_free_other_states_resources(state);
|
|
}
|
|
}
|
|
}
|
|
if (file->f_mode & FMODE_READ) {
|
|
stop_adc(state);
|
|
dealloc_dmabuf(&state->dmabuf, state->card->pci_dev);
|
|
state->card->free_pcm_channel(state->card, dmabuf->channel->num);
|
|
|
|
/* Added by Matt Wu */
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
if (card->rec_channel_use_count-- < 0)
|
|
card->rec_channel_use_count = 0;
|
|
}
|
|
}
|
|
|
|
card->states[state->virt] = NULL;
|
|
kfree(state);
|
|
|
|
/* we're covered by the open_sem */
|
|
up(&card->open_sem);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static /*const */ struct file_operations trident_audio_fops = {
|
|
.owner = THIS_MODULE,
|
|
.llseek = no_llseek,
|
|
.read = trident_read,
|
|
.write = trident_write,
|
|
.poll = trident_poll,
|
|
.ioctl = trident_ioctl,
|
|
.mmap = trident_mmap,
|
|
.open = trident_open,
|
|
.release = trident_release,
|
|
};
|
|
|
|
/* trident specific AC97 functions */
|
|
/* Write AC97 codec registers */
|
|
static void
|
|
trident_ac97_set(struct ac97_codec *codec, u8 reg, u16 val)
|
|
{
|
|
struct trident_card *card = (struct trident_card *)codec->private_data;
|
|
unsigned int address, mask, busy;
|
|
unsigned short count = 0xffff;
|
|
unsigned long flags;
|
|
u32 data;
|
|
|
|
data = ((u32) val) << 16;
|
|
|
|
switch (card->pci_id) {
|
|
default:
|
|
case PCI_DEVICE_ID_SI_7018:
|
|
address = SI_AC97_WRITE;
|
|
mask = SI_AC97_BUSY_WRITE | SI_AC97_AUDIO_BUSY;
|
|
if (codec->id)
|
|
mask |= SI_AC97_SECONDARY;
|
|
busy = SI_AC97_BUSY_WRITE;
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX:
|
|
address = DX_ACR0_AC97_W;
|
|
mask = busy = DX_AC97_BUSY_WRITE;
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX:
|
|
address = NX_ACR1_AC97_W;
|
|
mask = NX_AC97_BUSY_WRITE;
|
|
if (codec->id)
|
|
mask |= NX_AC97_WRITE_SECONDARY;
|
|
busy = NX_AC97_BUSY_WRITE;
|
|
break;
|
|
case PCI_DEVICE_ID_INTERG_5050:
|
|
address = SI_AC97_WRITE;
|
|
mask = busy = SI_AC97_BUSY_WRITE;
|
|
if (codec->id)
|
|
mask |= SI_AC97_SECONDARY;
|
|
break;
|
|
}
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
do {
|
|
if ((inw(TRID_REG(card, address)) & busy) == 0)
|
|
break;
|
|
} while (count--);
|
|
|
|
data |= (mask | (reg & AC97_REG_ADDR));
|
|
|
|
if (count == 0) {
|
|
printk(KERN_ERR "trident: AC97 CODEC write timed out.\n");
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
return;
|
|
}
|
|
|
|
outl(data, TRID_REG(card, address));
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
}
|
|
|
|
/* Read AC97 codec registers */
|
|
static u16
|
|
trident_ac97_get(struct ac97_codec *codec, u8 reg)
|
|
{
|
|
struct trident_card *card = (struct trident_card *)codec->private_data;
|
|
unsigned int address, mask, busy;
|
|
unsigned short count = 0xffff;
|
|
unsigned long flags;
|
|
u32 data;
|
|
|
|
switch (card->pci_id) {
|
|
default:
|
|
case PCI_DEVICE_ID_SI_7018:
|
|
address = SI_AC97_READ;
|
|
mask = SI_AC97_BUSY_READ | SI_AC97_AUDIO_BUSY;
|
|
if (codec->id)
|
|
mask |= SI_AC97_SECONDARY;
|
|
busy = SI_AC97_BUSY_READ;
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX:
|
|
address = DX_ACR1_AC97_R;
|
|
mask = busy = DX_AC97_BUSY_READ;
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX:
|
|
if (codec->id)
|
|
address = NX_ACR3_AC97_R_SECONDARY;
|
|
else
|
|
address = NX_ACR2_AC97_R_PRIMARY;
|
|
mask = NX_AC97_BUSY_READ;
|
|
busy = NX_AC97_BUSY_READ | NX_AC97_BUSY_DATA;
|
|
break;
|
|
case PCI_DEVICE_ID_INTERG_5050:
|
|
address = SI_AC97_READ;
|
|
mask = busy = SI_AC97_BUSY_READ;
|
|
if (codec->id)
|
|
mask |= SI_AC97_SECONDARY;
|
|
break;
|
|
}
|
|
|
|
data = (mask | (reg & AC97_REG_ADDR));
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
outl(data, TRID_REG(card, address));
|
|
do {
|
|
data = inl(TRID_REG(card, address));
|
|
if ((data & busy) == 0)
|
|
break;
|
|
} while (count--);
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
|
|
if (count == 0) {
|
|
printk(KERN_ERR "trident: AC97 CODEC read timed out.\n");
|
|
data = 0;
|
|
}
|
|
return ((u16) (data >> 16));
|
|
}
|
|
|
|
/* rewrite ac97 read and write mixer register by hulei for ALI*/
|
|
static int
|
|
acquirecodecaccess(struct trident_card *card)
|
|
{
|
|
u16 wsemamask = 0x6000; /* bit 14..13 */
|
|
u16 wsemabits;
|
|
u16 wcontrol;
|
|
int block = 0;
|
|
int ncount = 25;
|
|
while (1) {
|
|
wcontrol = inw(TRID_REG(card, ALI_AC97_WRITE));
|
|
wsemabits = wcontrol & wsemamask;
|
|
|
|
if (wsemabits == 0x4000)
|
|
return 1; /* 0x4000 is audio ,then success */
|
|
if (ncount-- < 0)
|
|
break;
|
|
if (wsemabits == 0) {
|
|
unlock:
|
|
outl(((u32) (wcontrol & 0x1eff) | 0x00004000),
|
|
TRID_REG(card, ALI_AC97_WRITE));
|
|
continue;
|
|
}
|
|
udelay(20);
|
|
}
|
|
if (!block) {
|
|
pr_debug("accesscodecsemaphore: try unlock\n");
|
|
block = 1;
|
|
goto unlock;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
releasecodecaccess(struct trident_card *card)
|
|
{
|
|
unsigned long wcontrol;
|
|
wcontrol = inl(TRID_REG(card, ALI_AC97_WRITE));
|
|
outl((wcontrol & 0xffff1eff), TRID_REG(card, ALI_AC97_WRITE));
|
|
}
|
|
|
|
static int
|
|
waitforstimertick(struct trident_card *card)
|
|
{
|
|
unsigned long chk1, chk2;
|
|
unsigned int wcount = 0xffff;
|
|
chk1 = inl(TRID_REG(card, ALI_STIMER));
|
|
|
|
while (1) {
|
|
chk2 = inl(TRID_REG(card, ALI_STIMER));
|
|
if ((wcount > 0) && chk1 != chk2)
|
|
return 1;
|
|
if (wcount <= 0)
|
|
break;
|
|
udelay(50);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Read AC97 codec registers for ALi*/
|
|
static u16
|
|
ali_ac97_get(struct trident_card *card, int secondary, u8 reg)
|
|
{
|
|
unsigned int address, mask;
|
|
unsigned int ncount;
|
|
unsigned long aud_reg;
|
|
u32 data;
|
|
u16 wcontrol;
|
|
unsigned long flags;
|
|
|
|
if (!card)
|
|
BUG();
|
|
|
|
address = ALI_AC97_READ;
|
|
if (card->revision == ALI_5451_V02) {
|
|
address = ALI_AC97_WRITE;
|
|
}
|
|
mask = ALI_AC97_READ_ACTION | ALI_AC97_AUDIO_BUSY;
|
|
if (secondary)
|
|
mask |= ALI_AC97_SECONDARY;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
|
|
if (!acquirecodecaccess(card))
|
|
printk(KERN_ERR "access codec fail\n");
|
|
|
|
wcontrol = inw(TRID_REG(card, ALI_AC97_WRITE));
|
|
wcontrol &= 0xfe00;
|
|
wcontrol |= (0x8000 | reg);
|
|
outw(wcontrol, TRID_REG(card, ALI_AC97_WRITE));
|
|
|
|
data = (mask | (reg & AC97_REG_ADDR));
|
|
|
|
if (!waitforstimertick(card)) {
|
|
printk(KERN_ERR "ali_ac97_read: BIT_CLOCK is dead\n");
|
|
goto releasecodec;
|
|
}
|
|
|
|
udelay(20);
|
|
|
|
ncount = 10;
|
|
|
|
while (1) {
|
|
if ((inw(TRID_REG(card, ALI_AC97_WRITE)) & ALI_AC97_BUSY_READ)
|
|
!= 0)
|
|
break;
|
|
if (ncount <= 0)
|
|
break;
|
|
if (ncount-- == 1) {
|
|
pr_debug("ali_ac97_read :try clear busy flag\n");
|
|
aud_reg = inl(TRID_REG(card, ALI_AC97_WRITE));
|
|
outl((aud_reg & 0xffff7fff),
|
|
TRID_REG(card, ALI_AC97_WRITE));
|
|
}
|
|
udelay(10);
|
|
}
|
|
|
|
data = inl(TRID_REG(card, address));
|
|
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
|
|
return ((u16) (data >> 16));
|
|
|
|
releasecodec:
|
|
releasecodecaccess(card);
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
printk(KERN_ERR "ali_ac97_read: AC97 CODEC read timed out.\n");
|
|
return 0;
|
|
}
|
|
|
|
/* Write AC97 codec registers for hulei*/
|
|
static void
|
|
ali_ac97_set(struct trident_card *card, int secondary, u8 reg, u16 val)
|
|
{
|
|
unsigned int address, mask;
|
|
unsigned int ncount;
|
|
u32 data;
|
|
u16 wcontrol;
|
|
unsigned long flags;
|
|
|
|
data = ((u32) val) << 16;
|
|
|
|
if (!card)
|
|
BUG();
|
|
|
|
address = ALI_AC97_WRITE;
|
|
mask = ALI_AC97_WRITE_ACTION | ALI_AC97_AUDIO_BUSY;
|
|
if (secondary)
|
|
mask |= ALI_AC97_SECONDARY;
|
|
if (card->revision == ALI_5451_V02)
|
|
mask |= ALI_AC97_WRITE_MIXER_REGISTER;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
if (!acquirecodecaccess(card))
|
|
printk(KERN_ERR "ali_ac97_write: access codec fail\n");
|
|
|
|
wcontrol = inw(TRID_REG(card, ALI_AC97_WRITE));
|
|
wcontrol &= 0xff00;
|
|
wcontrol |= (0x8100 | reg); /* bit 8=1: (ali1535 )reserved/ */
|
|
/* ali1535+ write */
|
|
outl((data | wcontrol), TRID_REG(card, ALI_AC97_WRITE));
|
|
|
|
if (!waitforstimertick(card)) {
|
|
printk(KERN_ERR "BIT_CLOCK is dead\n");
|
|
goto releasecodec;
|
|
}
|
|
|
|
ncount = 10;
|
|
while (1) {
|
|
wcontrol = inw(TRID_REG(card, ALI_AC97_WRITE));
|
|
if (!(wcontrol & 0x8000))
|
|
break;
|
|
if (ncount <= 0)
|
|
break;
|
|
if (ncount-- == 1) {
|
|
pr_debug("ali_ac97_set :try clear busy flag!!\n");
|
|
outw(wcontrol & 0x7fff,
|
|
TRID_REG(card, ALI_AC97_WRITE));
|
|
}
|
|
udelay(10);
|
|
}
|
|
|
|
releasecodec:
|
|
releasecodecaccess(card);
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
ali_enable_special_channel(struct trident_state *stat)
|
|
{
|
|
struct trident_card *card = stat->card;
|
|
unsigned long s_channels;
|
|
|
|
s_channels = inl(TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
s_channels |= (1 << stat->dmabuf.channel->num);
|
|
outl(s_channels, TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
}
|
|
|
|
static u16
|
|
ali_ac97_read(struct ac97_codec *codec, u8 reg)
|
|
{
|
|
int id;
|
|
u16 data;
|
|
struct trident_card *card = NULL;
|
|
|
|
/* Added by Matt Wu */
|
|
if (!codec)
|
|
BUG();
|
|
|
|
card = (struct trident_card *) codec->private_data;
|
|
|
|
if (!card->mixer_regs_ready)
|
|
return ali_ac97_get(card, codec->id, reg);
|
|
|
|
/*
|
|
* FIXME: need to stop this caching some registers
|
|
*/
|
|
if (codec->id)
|
|
id = 1;
|
|
else
|
|
id = 0;
|
|
|
|
data = card->mixer_regs[reg / 2][id];
|
|
return data;
|
|
}
|
|
|
|
static void
|
|
ali_ac97_write(struct ac97_codec *codec, u8 reg, u16 val)
|
|
{
|
|
int id;
|
|
struct trident_card *card;
|
|
|
|
/* Added by Matt Wu */
|
|
if (!codec)
|
|
BUG();
|
|
|
|
card = (struct trident_card *) codec->private_data;
|
|
|
|
if (!card->mixer_regs_ready) {
|
|
ali_ac97_set(card, codec->id, reg, val);
|
|
return;
|
|
}
|
|
|
|
if (codec->id)
|
|
id = 1;
|
|
else
|
|
id = 0;
|
|
|
|
card->mixer_regs[reg / 2][id] = val;
|
|
ali_ac97_set(card, codec->id, reg, val);
|
|
}
|
|
|
|
/*
|
|
flag: ALI_SPDIF_OUT_TO_SPDIF_OUT
|
|
ALI_PCM_TO_SPDIF_OUT
|
|
*/
|
|
|
|
static void
|
|
ali_setup_spdif_out(struct trident_card *card, int flag)
|
|
{
|
|
unsigned long spdif;
|
|
unsigned char ch;
|
|
|
|
char temp;
|
|
struct pci_dev *pci_dev = NULL;
|
|
|
|
pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
|
|
pci_dev);
|
|
if (pci_dev == NULL)
|
|
return;
|
|
pci_read_config_byte(pci_dev, 0x61, &temp);
|
|
temp |= 0x40;
|
|
pci_write_config_byte(pci_dev, 0x61, temp);
|
|
pci_read_config_byte(pci_dev, 0x7d, &temp);
|
|
temp |= 0x01;
|
|
pci_write_config_byte(pci_dev, 0x7d, temp);
|
|
pci_read_config_byte(pci_dev, 0x7e, &temp);
|
|
temp &= (~0x20);
|
|
temp |= 0x10;
|
|
pci_write_config_byte(pci_dev, 0x7e, temp);
|
|
|
|
ch = inb(TRID_REG(card, ALI_SCTRL));
|
|
outb(ch | ALI_SPDIF_OUT_ENABLE, TRID_REG(card, ALI_SCTRL));
|
|
ch = inb(TRID_REG(card, ALI_SPDIF_CTRL));
|
|
outb(ch & ALI_SPDIF_OUT_CH_STATUS, TRID_REG(card, ALI_SPDIF_CTRL));
|
|
|
|
if (flag & ALI_SPDIF_OUT_TO_SPDIF_OUT) {
|
|
spdif = inw(TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
spdif |= ALI_SPDIF_OUT_CH_ENABLE;
|
|
spdif &= ALI_SPDIF_OUT_SEL_SPDIF;
|
|
outw(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
spdif = inw(TRID_REG(card, ALI_SPDIF_CS));
|
|
if (flag & ALI_SPDIF_OUT_NON_PCM)
|
|
spdif |= 0x0002;
|
|
else
|
|
spdif &= (~0x0002);
|
|
outw(spdif, TRID_REG(card, ALI_SPDIF_CS));
|
|
} else {
|
|
spdif = inw(TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
spdif |= ALI_SPDIF_OUT_SEL_PCM;
|
|
outw(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
}
|
|
}
|
|
|
|
static void
|
|
ali_disable_special_channel(struct trident_card *card, int ch)
|
|
{
|
|
unsigned long sc;
|
|
|
|
sc = inl(TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
sc &= ~(1 << ch);
|
|
outl(sc, TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
}
|
|
|
|
static void
|
|
ali_disable_spdif_in(struct trident_card *card)
|
|
{
|
|
unsigned long spdif;
|
|
|
|
spdif = inl(TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
spdif &= (~ALI_SPDIF_IN_SUPPORT);
|
|
outl(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
|
|
ali_disable_special_channel(card, ALI_SPDIF_IN_CHANNEL);
|
|
}
|
|
|
|
static void
|
|
ali_setup_spdif_in(struct trident_card *card)
|
|
{
|
|
unsigned long spdif;
|
|
|
|
//Set SPDIF IN Supported
|
|
spdif = inl(TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
spdif |= ALI_SPDIF_IN_SUPPORT;
|
|
outl(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
|
|
//Set SPDIF IN Rec
|
|
spdif = inl(TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
spdif |= ALI_SPDIF_IN_CH_ENABLE;
|
|
outl(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
|
|
spdif = inb(TRID_REG(card, ALI_SPDIF_CTRL));
|
|
spdif |= ALI_SPDIF_IN_CH_STATUS;
|
|
outb(spdif, TRID_REG(card, ALI_SPDIF_CTRL));
|
|
/*
|
|
spdif = inb(TRID_REG(card, ALI_SPDIF_CTRL));
|
|
spdif |= ALI_SPDIF_IN_FUNC_ENABLE;
|
|
outb(spdif, TRID_REG(card, ALI_SPDIF_CTRL));
|
|
*/
|
|
}
|
|
|
|
static void
|
|
ali_delay(struct trident_card *card, int interval)
|
|
{
|
|
unsigned long begintimer, currenttimer;
|
|
|
|
begintimer = inl(TRID_REG(card, ALI_STIMER));
|
|
currenttimer = inl(TRID_REG(card, ALI_STIMER));
|
|
|
|
while (currenttimer < begintimer + interval)
|
|
currenttimer = inl(TRID_REG(card, ALI_STIMER));
|
|
}
|
|
|
|
static void
|
|
ali_detect_spdif_rate(struct trident_card *card)
|
|
{
|
|
u16 wval = 0;
|
|
u16 count = 0;
|
|
u8 bval = 0, R1 = 0, R2 = 0;
|
|
|
|
bval = inb(TRID_REG(card, ALI_SPDIF_CTRL));
|
|
bval |= 0x02;
|
|
outb(bval, TRID_REG(card, ALI_SPDIF_CTRL));
|
|
|
|
bval = inb(TRID_REG(card, ALI_SPDIF_CTRL + 1));
|
|
bval |= 0x1F;
|
|
outb(bval, TRID_REG(card, ALI_SPDIF_CTRL + 1));
|
|
|
|
while (((R1 < 0x0B) || (R1 > 0x0E)) && (R1 != 0x12) &&
|
|
count <= 50000) {
|
|
count++;
|
|
|
|
ali_delay(card, 6);
|
|
|
|
bval = inb(TRID_REG(card, ALI_SPDIF_CTRL + 1));
|
|
R1 = bval & 0x1F;
|
|
}
|
|
|
|
if (count > 50000) {
|
|
printk(KERN_WARNING "trident: Error in "
|
|
"ali_detect_spdif_rate!\n");
|
|
return;
|
|
}
|
|
|
|
count = 0;
|
|
|
|
while (count <= 50000) {
|
|
count++;
|
|
|
|
ali_delay(card, 6);
|
|
|
|
bval = inb(TRID_REG(card, ALI_SPDIF_CTRL + 1));
|
|
R2 = bval & 0x1F;
|
|
|
|
if (R2 != R1)
|
|
R1 = R2;
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (count > 50000) {
|
|
printk(KERN_WARNING "trident: Error in "
|
|
"ali_detect_spdif_rate!\n");
|
|
return;
|
|
}
|
|
|
|
switch (R2) {
|
|
case 0x0b:
|
|
case 0x0c:
|
|
case 0x0d:
|
|
case 0x0e:
|
|
wval = inw(TRID_REG(card, ALI_SPDIF_CTRL + 2));
|
|
wval &= 0xE0F0;
|
|
wval |= (u16) 0x09 << 8 | (u16) 0x05;
|
|
outw(wval, TRID_REG(card, ALI_SPDIF_CTRL + 2));
|
|
|
|
bval = inb(TRID_REG(card, ALI_SPDIF_CS + 3)) & 0xF0;
|
|
outb(bval | 0x02, TRID_REG(card, ALI_SPDIF_CS + 3));
|
|
break;
|
|
|
|
case 0x12:
|
|
wval = inw(TRID_REG(card, ALI_SPDIF_CTRL + 2));
|
|
wval &= 0xE0F0;
|
|
wval |= (u16) 0x0E << 8 | (u16) 0x08;
|
|
outw(wval, TRID_REG(card, ALI_SPDIF_CTRL + 2));
|
|
|
|
bval = inb(TRID_REG(card, ALI_SPDIF_CS + 3)) & 0xF0;
|
|
outb(bval | 0x03, TRID_REG(card, ALI_SPDIF_CS + 3));
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
static unsigned int
|
|
ali_get_spdif_in_rate(struct trident_card *card)
|
|
{
|
|
u32 dwRate = 0;
|
|
u8 bval = 0;
|
|
|
|
ali_detect_spdif_rate(card);
|
|
|
|
bval = inb(TRID_REG(card, ALI_SPDIF_CTRL));
|
|
bval &= 0x7F;
|
|
bval |= 0x40;
|
|
outb(bval, TRID_REG(card, ALI_SPDIF_CTRL));
|
|
|
|
bval = inb(TRID_REG(card, ALI_SPDIF_CS + 3));
|
|
bval &= 0x0F;
|
|
|
|
switch (bval) {
|
|
case 0:
|
|
dwRate = 44100;
|
|
break;
|
|
case 1:
|
|
dwRate = 48000;
|
|
break;
|
|
case 2:
|
|
dwRate = 32000;
|
|
break;
|
|
default:
|
|
// Error occurs
|
|
break;
|
|
}
|
|
|
|
return dwRate;
|
|
|
|
}
|
|
|
|
static int
|
|
ali_close_multi_channels(void)
|
|
{
|
|
char temp = 0;
|
|
struct pci_dev *pci_dev = NULL;
|
|
|
|
pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
|
|
pci_dev);
|
|
if (pci_dev == NULL)
|
|
return -1;
|
|
pci_read_config_byte(pci_dev, 0x59, &temp);
|
|
temp &= ~0x80;
|
|
pci_write_config_byte(pci_dev, 0x59, temp);
|
|
|
|
pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
|
|
pci_dev);
|
|
if (pci_dev == NULL)
|
|
return -1;
|
|
|
|
pci_read_config_byte(pci_dev, 0xB8, &temp);
|
|
temp &= ~0x20;
|
|
pci_write_config_byte(pci_dev, 0xB8, temp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ali_setup_multi_channels(struct trident_card *card, int chan_nums)
|
|
{
|
|
unsigned long dwValue;
|
|
char temp = 0;
|
|
struct pci_dev *pci_dev = NULL;
|
|
|
|
pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
|
|
pci_dev);
|
|
if (pci_dev == NULL)
|
|
return -1;
|
|
pci_read_config_byte(pci_dev, 0x59, &temp);
|
|
temp |= 0x80;
|
|
pci_write_config_byte(pci_dev, 0x59, temp);
|
|
|
|
pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
|
|
pci_dev);
|
|
if (pci_dev == NULL)
|
|
return -1;
|
|
pci_read_config_byte(pci_dev, (int) 0xB8, &temp);
|
|
temp |= 0x20;
|
|
pci_write_config_byte(pci_dev, (int) 0xB8, (u8) temp);
|
|
if (chan_nums == 6) {
|
|
dwValue = inl(TRID_REG(card, ALI_SCTRL)) | 0x000f0000;
|
|
outl(dwValue, TRID_REG(card, ALI_SCTRL));
|
|
mdelay(4);
|
|
dwValue = inl(TRID_REG(card, ALI_SCTRL));
|
|
if (dwValue & 0x2000000) {
|
|
ali_ac97_write(card->ac97_codec[0], 0x02, 8080);
|
|
ali_ac97_write(card->ac97_codec[0], 0x36, 0);
|
|
ali_ac97_write(card->ac97_codec[0], 0x38, 0);
|
|
/*
|
|
* On a board with a single codec you won't get the
|
|
* surround. On other boards configure it.
|
|
*/
|
|
if (card->ac97_codec[1] != NULL) {
|
|
ali_ac97_write(card->ac97_codec[1], 0x36, 0);
|
|
ali_ac97_write(card->ac97_codec[1], 0x38, 0);
|
|
ali_ac97_write(card->ac97_codec[1], 0x02, 0x0606);
|
|
ali_ac97_write(card->ac97_codec[1], 0x18, 0x0303);
|
|
ali_ac97_write(card->ac97_codec[1], 0x74, 0x3);
|
|
}
|
|
return 1;
|
|
}
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
static void
|
|
ali_free_pcm_channel(struct trident_card *card, unsigned int channel)
|
|
{
|
|
int bank;
|
|
|
|
if (channel > 31)
|
|
return;
|
|
|
|
bank = channel >> 5;
|
|
channel = channel & 0x1f;
|
|
|
|
card->banks[bank].bitmap &= ~(1 << (channel));
|
|
}
|
|
|
|
static int
|
|
ali_allocate_other_states_resources(struct trident_state *state, int chan_nums)
|
|
{
|
|
struct trident_card *card = state->card;
|
|
struct trident_state *s;
|
|
int i, state_count = 0;
|
|
struct trident_pcm_bank *bank;
|
|
struct trident_channel *channel;
|
|
unsigned long num;
|
|
|
|
bank = &card->banks[BANK_A];
|
|
|
|
if (chan_nums != 6)
|
|
return 0;
|
|
|
|
for (i = 0; (i < ALI_CHANNELS) && (state_count != 4); i++) {
|
|
if (card->states[i])
|
|
continue;
|
|
|
|
num = ali_multi_channels_5_1[state_count];
|
|
if (!(bank->bitmap & (1 << num))) {
|
|
bank->bitmap |= 1 << num;
|
|
channel = &bank->channels[num];
|
|
channel->num = num;
|
|
} else {
|
|
state_count--;
|
|
for (; state_count >= 0; state_count--) {
|
|
kfree(state->other_states[state_count]);
|
|
num = ali_multi_channels_5_1[state_count];
|
|
ali_free_pcm_channel(card, num);
|
|
}
|
|
return -EBUSY;
|
|
}
|
|
s = card->states[i] = kmalloc(sizeof(*state), GFP_KERNEL);
|
|
if (!s) {
|
|
num = ali_multi_channels_5_1[state_count];
|
|
ali_free_pcm_channel(card, num);
|
|
state_count--;
|
|
for (; state_count >= 0; state_count--) {
|
|
num = ali_multi_channels_5_1[state_count];
|
|
ali_free_pcm_channel(card, num);
|
|
kfree(state->other_states[state_count]);
|
|
}
|
|
return -ENOMEM;
|
|
}
|
|
memset(s, 0, sizeof(*state));
|
|
|
|
s->dmabuf.channel = channel;
|
|
s->dmabuf.ossfragshift = s->dmabuf.ossmaxfrags =
|
|
s->dmabuf.subdivision = 0;
|
|
init_waitqueue_head(&s->dmabuf.wait);
|
|
s->magic = card->magic;
|
|
s->card = card;
|
|
s->virt = i;
|
|
ali_enable_special_channel(s);
|
|
state->other_states[state_count++] = s;
|
|
}
|
|
|
|
if (state_count != 4) {
|
|
state_count--;
|
|
for (; state_count >= 0; state_count--) {
|
|
kfree(state->other_states[state_count]);
|
|
num = ali_multi_channels_5_1[state_count];
|
|
ali_free_pcm_channel(card, num);
|
|
}
|
|
return -EBUSY;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
ali_save_regs(struct trident_card *card)
|
|
{
|
|
unsigned long flags;
|
|
int i, j;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
|
|
ali_registers.global_regs[0x2c] = inl(TRID_REG(card, T4D_MISCINT));
|
|
//ali_registers.global_regs[0x20] = inl(TRID_REG(card,T4D_START_A));
|
|
ali_registers.global_regs[0x21] = inl(TRID_REG(card, T4D_STOP_A));
|
|
|
|
//disable all IRQ bits
|
|
outl(ALI_DISABLE_ALL_IRQ, TRID_REG(card, T4D_MISCINT));
|
|
|
|
for (i = 1; i < ALI_MIXER_REGS; i++)
|
|
ali_registers.mixer_regs[i] = ali_ac97_read(card->ac97_codec[0],
|
|
i * 2);
|
|
|
|
for (i = 0; i < ALI_GLOBAL_REGS; i++) {
|
|
if ((i * 4 == T4D_MISCINT) || (i * 4 == T4D_STOP_A))
|
|
continue;
|
|
ali_registers.global_regs[i] = inl(TRID_REG(card, i * 4));
|
|
}
|
|
|
|
for (i = 0; i < ALI_CHANNELS; i++) {
|
|
outb(i, TRID_REG(card, T4D_LFO_GC_CIR));
|
|
for (j = 0; j < ALI_CHANNEL_REGS; j++)
|
|
ali_registers.channel_regs[i][j] = inl(TRID_REG(card,
|
|
j * 4 + 0xe0));
|
|
}
|
|
|
|
//Stop all HW channel
|
|
outl(ALI_STOP_ALL_CHANNELS, TRID_REG(card, T4D_STOP_A));
|
|
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
}
|
|
|
|
static void
|
|
ali_restore_regs(struct trident_card *card)
|
|
{
|
|
unsigned long flags;
|
|
int i, j;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
|
|
for (i = 1; i < ALI_MIXER_REGS; i++)
|
|
ali_ac97_write(card->ac97_codec[0], i * 2,
|
|
ali_registers.mixer_regs[i]);
|
|
|
|
for (i = 0; i < ALI_CHANNELS; i++) {
|
|
outb(i, TRID_REG(card, T4D_LFO_GC_CIR));
|
|
for (j = 0; j < ALI_CHANNEL_REGS; j++)
|
|
outl(ali_registers.channel_regs[i][j],
|
|
TRID_REG(card, j * 4 + 0xe0));
|
|
}
|
|
|
|
for (i = 0; i < ALI_GLOBAL_REGS; i++) {
|
|
if ((i * 4 == T4D_MISCINT) || (i * 4 == T4D_STOP_A) ||
|
|
(i * 4 == T4D_START_A))
|
|
continue;
|
|
outl(ali_registers.global_regs[i], TRID_REG(card, i * 4));
|
|
}
|
|
|
|
//start HW channel
|
|
outl(ali_registers.global_regs[0x20], TRID_REG(card, T4D_START_A));
|
|
//restore IRQ enable bits
|
|
outl(ali_registers.global_regs[0x2c], TRID_REG(card, T4D_MISCINT));
|
|
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
}
|
|
|
|
static int
|
|
trident_suspend(struct pci_dev *dev, pm_message_t unused)
|
|
{
|
|
struct trident_card *card = pci_get_drvdata(dev);
|
|
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
ali_save_regs(card);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
trident_resume(struct pci_dev *dev)
|
|
{
|
|
struct trident_card *card = pci_get_drvdata(dev);
|
|
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
ali_restore_regs(card);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct trident_channel *
|
|
ali_alloc_pcm_channel(struct trident_card *card)
|
|
{
|
|
struct trident_pcm_bank *bank;
|
|
int idx;
|
|
|
|
bank = &card->banks[BANK_A];
|
|
|
|
if (inl(TRID_REG(card, ALI_GLOBAL_CONTROL)) &
|
|
(ALI_SPDIF_OUT_CH_ENABLE)) {
|
|
idx = ALI_SPDIF_OUT_CHANNEL;
|
|
if (!(bank->bitmap & (1 << idx))) {
|
|
struct trident_channel *channel = &bank->channels[idx];
|
|
bank->bitmap |= 1 << idx;
|
|
channel->num = idx;
|
|
return channel;
|
|
}
|
|
}
|
|
|
|
for (idx = ALI_PCM_OUT_CHANNEL_FIRST; idx <= ALI_PCM_OUT_CHANNEL_LAST;
|
|
idx++) {
|
|
if (!(bank->bitmap & (1 << idx))) {
|
|
struct trident_channel *channel = &bank->channels[idx];
|
|
bank->bitmap |= 1 << idx;
|
|
channel->num = idx;
|
|
return channel;
|
|
}
|
|
}
|
|
|
|
/* no more free channels avaliable */
|
|
#if 0
|
|
printk(KERN_ERR "ali: no more channels available on Bank A.\n");
|
|
#endif /* 0 */
|
|
return NULL;
|
|
}
|
|
|
|
static struct trident_channel *
|
|
ali_alloc_rec_pcm_channel(struct trident_card *card)
|
|
{
|
|
struct trident_pcm_bank *bank;
|
|
int idx;
|
|
|
|
if (inl(TRID_REG(card, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_SUPPORT)
|
|
idx = ALI_SPDIF_IN_CHANNEL;
|
|
else
|
|
idx = ALI_PCM_IN_CHANNEL;
|
|
|
|
bank = &card->banks[BANK_A];
|
|
|
|
if (!(bank->bitmap & (1 << idx))) {
|
|
struct trident_channel *channel = &bank->channels[idx];
|
|
bank->bitmap |= 1 << idx;
|
|
channel->num = idx;
|
|
return channel;
|
|
}
|
|
|
|
/* no free recordable channels avaliable */
|
|
#if 0
|
|
printk(KERN_ERR "ali: no recordable channels available on Bank A.\n");
|
|
#endif /* 0 */
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
ali_set_spdif_out_rate(struct trident_card *card, unsigned int rate)
|
|
{
|
|
unsigned char ch_st_sel;
|
|
unsigned short status_rate;
|
|
|
|
switch (rate) {
|
|
case 44100:
|
|
status_rate = 0;
|
|
break;
|
|
case 32000:
|
|
status_rate = 0x300;
|
|
break;
|
|
case 48000:
|
|
default:
|
|
status_rate = 0x200;
|
|
break;
|
|
}
|
|
|
|
/* select spdif_out */
|
|
ch_st_sel = inb(TRID_REG(card, ALI_SPDIF_CTRL)) & ALI_SPDIF_OUT_CH_STATUS;
|
|
|
|
ch_st_sel |= 0x80; /* select right */
|
|
outb(ch_st_sel, TRID_REG(card, ALI_SPDIF_CTRL));
|
|
outb(status_rate | 0x20, TRID_REG(card, ALI_SPDIF_CS + 2));
|
|
|
|
ch_st_sel &= (~0x80); /* select left */
|
|
outb(ch_st_sel, TRID_REG(card, ALI_SPDIF_CTRL));
|
|
outw(status_rate | 0x10, TRID_REG(card, ALI_SPDIF_CS + 2));
|
|
}
|
|
|
|
static void
|
|
ali_address_interrupt(struct trident_card *card)
|
|
{
|
|
int i, channel;
|
|
struct trident_state *state;
|
|
u32 mask, channel_mask;
|
|
|
|
mask = trident_get_interrupt_mask(card, 0);
|
|
for (i = 0; i < NR_HW_CH; i++) {
|
|
if ((state = card->states[i]) == NULL)
|
|
continue;
|
|
channel = state->dmabuf.channel->num;
|
|
if ((channel_mask = 1 << channel) & mask) {
|
|
mask &= ~channel_mask;
|
|
trident_ack_channel_interrupt(card, channel);
|
|
udelay(100);
|
|
state->dmabuf.update_flag |= ALI_ADDRESS_INT_UPDATE;
|
|
trident_update_ptr(state);
|
|
}
|
|
}
|
|
if (mask) {
|
|
for (i = 0; i < NR_HW_CH; i++) {
|
|
if (mask & (1 << i)) {
|
|
printk("ali: spurious channel irq %d.\n", i);
|
|
trident_ack_channel_interrupt(card, i);
|
|
trident_stop_voice(card, i);
|
|
trident_disable_voice_irq(card, i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Updating the values of counters of other_states' DMAs without lock
|
|
protection is no harm because all DMAs of multi-channels and interrupt
|
|
depend on a master state's DMA, and changing the counters of the master
|
|
state DMA is protected by a spinlock.
|
|
*/
|
|
static int
|
|
ali_write_5_1(struct trident_state *state, const char __user *buf,
|
|
int cnt_for_multi_channel, unsigned int *copy_count,
|
|
unsigned int *state_cnt)
|
|
{
|
|
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
|
struct dmabuf *dmabuf_temp;
|
|
const char __user *buffer = buf;
|
|
unsigned swptr, other_dma_nums, sample_s;
|
|
unsigned int i, loop;
|
|
|
|
other_dma_nums = 4;
|
|
sample_s = sample_size[dmabuf->fmt] >> 1;
|
|
swptr = dmabuf->swptr;
|
|
|
|
if ((i = state->multi_channels_adjust_count) > 0) {
|
|
if (i == 1) {
|
|
if (copy_from_user(dmabuf->rawbuf + swptr,
|
|
buffer, sample_s))
|
|
return -EFAULT;
|
|
seek_offset(swptr, buffer, cnt_for_multi_channel,
|
|
sample_s, *copy_count);
|
|
i--;
|
|
(*state_cnt) += sample_s;
|
|
state->multi_channels_adjust_count++;
|
|
} else
|
|
i = i - (state->chans_num - other_dma_nums);
|
|
for (; (i < other_dma_nums) && (cnt_for_multi_channel > 0); i++) {
|
|
dmabuf_temp = &state->other_states[i]->dmabuf;
|
|
if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr,
|
|
buffer, sample_s))
|
|
return -EFAULT;
|
|
seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel,
|
|
sample_s, *copy_count);
|
|
}
|
|
if (cnt_for_multi_channel == 0)
|
|
state->multi_channels_adjust_count += i;
|
|
}
|
|
if (cnt_for_multi_channel > 0) {
|
|
loop = cnt_for_multi_channel / (state->chans_num * sample_s);
|
|
for (i = 0; i < loop; i++) {
|
|
if (copy_from_user(dmabuf->rawbuf + swptr, buffer,
|
|
sample_s * 2))
|
|
return -EFAULT;
|
|
seek_offset(swptr, buffer, cnt_for_multi_channel,
|
|
sample_s * 2, *copy_count);
|
|
(*state_cnt) += (sample_s * 2);
|
|
|
|
dmabuf_temp = &state->other_states[0]->dmabuf;
|
|
if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr,
|
|
buffer, sample_s))
|
|
return -EFAULT;
|
|
seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel,
|
|
sample_s, *copy_count);
|
|
|
|
dmabuf_temp = &state->other_states[1]->dmabuf;
|
|
if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr,
|
|
buffer, sample_s))
|
|
return -EFAULT;
|
|
seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel,
|
|
sample_s, *copy_count);
|
|
|
|
dmabuf_temp = &state->other_states[2]->dmabuf;
|
|
if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr,
|
|
buffer, sample_s))
|
|
return -EFAULT;
|
|
seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel,
|
|
sample_s, *copy_count);
|
|
|
|
dmabuf_temp = &state->other_states[3]->dmabuf;
|
|
if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr,
|
|
buffer, sample_s))
|
|
return -EFAULT;
|
|
seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel,
|
|
sample_s, *copy_count);
|
|
}
|
|
|
|
if (cnt_for_multi_channel > 0) {
|
|
state->multi_channels_adjust_count = cnt_for_multi_channel / sample_s;
|
|
|
|
if (copy_from_user(dmabuf->rawbuf + swptr, buffer, sample_s))
|
|
return -EFAULT;
|
|
seek_offset(swptr, buffer, cnt_for_multi_channel,
|
|
sample_s, *copy_count);
|
|
(*state_cnt) += sample_s;
|
|
|
|
if (cnt_for_multi_channel > 0) {
|
|
if (copy_from_user(dmabuf->rawbuf + swptr,
|
|
buffer, sample_s))
|
|
return -EFAULT;
|
|
seek_offset(swptr, buffer, cnt_for_multi_channel,
|
|
sample_s, *copy_count);
|
|
(*state_cnt) += sample_s;
|
|
|
|
if (cnt_for_multi_channel > 0) {
|
|
int diff = state->chans_num - other_dma_nums;
|
|
loop = state->multi_channels_adjust_count - diff;
|
|
for (i = 0; i < loop; i++) {
|
|
dmabuf_temp = &state->other_states[i]->dmabuf;
|
|
if (copy_from_user(dmabuf_temp->rawbuf +
|
|
dmabuf_temp->swptr,
|
|
buffer, sample_s))
|
|
return -EFAULT;
|
|
seek_offset(dmabuf_temp->swptr, buffer,
|
|
cnt_for_multi_channel,
|
|
sample_s, *copy_count);
|
|
}
|
|
}
|
|
}
|
|
} else
|
|
state->multi_channels_adjust_count = 0;
|
|
}
|
|
for (i = 0; i < other_dma_nums; i++) {
|
|
dmabuf_temp = &state->other_states[i]->dmabuf;
|
|
dmabuf_temp->swptr = dmabuf_temp->swptr % dmabuf_temp->dmasize;
|
|
}
|
|
return *state_cnt;
|
|
}
|
|
|
|
static void
|
|
ali_free_other_states_resources(struct trident_state *state)
|
|
{
|
|
int i;
|
|
struct trident_card *card = state->card;
|
|
struct trident_state *s;
|
|
unsigned other_states_count;
|
|
|
|
other_states_count = state->chans_num - 2; /* except PCM L/R channels */
|
|
for (i = 0; i < other_states_count; i++) {
|
|
s = state->other_states[i];
|
|
dealloc_dmabuf(&s->dmabuf, card->pci_dev);
|
|
ali_disable_special_channel(s->card, s->dmabuf.channel->num);
|
|
state->card->free_pcm_channel(s->card, s->dmabuf.channel->num);
|
|
card->states[s->virt] = NULL;
|
|
kfree(s);
|
|
}
|
|
}
|
|
|
|
static struct proc_dir_entry *res;
|
|
|
|
static int
|
|
ali_write_proc(struct file *file, const char __user *buffer, unsigned long count, void *data)
|
|
{
|
|
struct trident_card *card = (struct trident_card *) data;
|
|
unsigned long flags;
|
|
char c;
|
|
|
|
if (count < 0)
|
|
return -EINVAL;
|
|
if (count == 0)
|
|
return 0;
|
|
if (get_user(c, buffer))
|
|
return -EFAULT;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
switch (c) {
|
|
case '0':
|
|
ali_setup_spdif_out(card, ALI_PCM_TO_SPDIF_OUT);
|
|
ali_disable_special_channel(card, ALI_SPDIF_OUT_CHANNEL);
|
|
break;
|
|
case '1':
|
|
ali_setup_spdif_out(card, ALI_SPDIF_OUT_TO_SPDIF_OUT |
|
|
ALI_SPDIF_OUT_PCM);
|
|
break;
|
|
case '2':
|
|
ali_setup_spdif_out(card, ALI_SPDIF_OUT_TO_SPDIF_OUT |
|
|
ALI_SPDIF_OUT_NON_PCM);
|
|
break;
|
|
case '3':
|
|
ali_disable_spdif_in(card); //default
|
|
break;
|
|
case '4':
|
|
ali_setup_spdif_in(card);
|
|
break;
|
|
}
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
|
|
return count;
|
|
}
|
|
|
|
/* OSS /dev/mixer file operation methods */
|
|
static int
|
|
trident_open_mixdev(struct inode *inode, struct file *file)
|
|
{
|
|
int i = 0;
|
|
int minor = iminor(inode);
|
|
struct trident_card *card = devs;
|
|
|
|
for (card = devs; card != NULL; card = card->next)
|
|
for (i = 0; i < NR_AC97; i++)
|
|
if (card->ac97_codec[i] != NULL &&
|
|
card->ac97_codec[i]->dev_mixer == minor)
|
|
goto match;
|
|
|
|
if (!card) {
|
|
return -ENODEV;
|
|
}
|
|
match:
|
|
file->private_data = card->ac97_codec[i];
|
|
|
|
return nonseekable_open(inode, file);
|
|
}
|
|
|
|
static int
|
|
trident_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd,
|
|
unsigned long arg)
|
|
{
|
|
struct ac97_codec *codec = (struct ac97_codec *) file->private_data;
|
|
|
|
return codec->mixer_ioctl(codec, cmd, arg);
|
|
}
|
|
|
|
static /*const */ struct file_operations trident_mixer_fops = {
|
|
.owner = THIS_MODULE,
|
|
.llseek = no_llseek,
|
|
.ioctl = trident_ioctl_mixdev,
|
|
.open = trident_open_mixdev,
|
|
};
|
|
|
|
static int
|
|
ali_reset_5451(struct trident_card *card)
|
|
{
|
|
struct pci_dev *pci_dev = NULL;
|
|
unsigned int dwVal;
|
|
unsigned short wCount, wReg;
|
|
|
|
pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
|
|
pci_dev);
|
|
if (pci_dev == NULL)
|
|
return -1;
|
|
|
|
pci_read_config_dword(pci_dev, 0x7c, &dwVal);
|
|
pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
|
|
udelay(5000);
|
|
pci_read_config_dword(pci_dev, 0x7c, &dwVal);
|
|
pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
|
|
udelay(5000);
|
|
|
|
pci_dev = card->pci_dev;
|
|
if (pci_dev == NULL)
|
|
return -1;
|
|
|
|
pci_read_config_dword(pci_dev, 0x44, &dwVal);
|
|
pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
|
|
udelay(500);
|
|
pci_read_config_dword(pci_dev, 0x44, &dwVal);
|
|
pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
|
|
udelay(5000);
|
|
|
|
/* TODO: recognize if we have a PM capable codec and only do this */
|
|
/* if the codec is PM capable */
|
|
wCount = 2000;
|
|
while (wCount--) {
|
|
wReg = ali_ac97_get(card, 0, AC97_POWER_CONTROL);
|
|
if ((wReg & 0x000f) == 0x000f)
|
|
return 0;
|
|
udelay(5000);
|
|
}
|
|
/* This is non fatal if you have a non PM capable codec.. */
|
|
return 0;
|
|
}
|
|
|
|
/* AC97 codec initialisation. */
|
|
static int __devinit
|
|
trident_ac97_init(struct trident_card *card)
|
|
{
|
|
int num_ac97 = 0;
|
|
unsigned long ready_2nd = 0;
|
|
struct ac97_codec *codec;
|
|
int i = 0;
|
|
|
|
/* initialize controller side of AC link, and find out if secondary codes
|
|
really exist */
|
|
switch (card->pci_id) {
|
|
case PCI_DEVICE_ID_ALI_5451:
|
|
if (ali_reset_5451(card)) {
|
|
printk(KERN_ERR "trident_ac97_init: error "
|
|
"resetting 5451.\n");
|
|
return -1;
|
|
}
|
|
outl(0x80000001, TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
outl(0x00000000, TRID_REG(card, T4D_AINTEN_A));
|
|
outl(0xffffffff, TRID_REG(card, T4D_AINT_A));
|
|
outl(0x00000000, TRID_REG(card, T4D_MUSICVOL_WAVEVOL));
|
|
outb(0x10, TRID_REG(card, ALI_MPUR2));
|
|
ready_2nd = inl(TRID_REG(card, ALI_SCTRL));
|
|
ready_2nd &= 0x3fff;
|
|
outl(ready_2nd | PCMOUT | 0x8000, TRID_REG(card, ALI_SCTRL));
|
|
ready_2nd = inl(TRID_REG(card, ALI_SCTRL));
|
|
ready_2nd &= SI_AC97_SECONDARY_READY;
|
|
if (card->revision < ALI_5451_V02)
|
|
ready_2nd = 0;
|
|
break;
|
|
case PCI_DEVICE_ID_SI_7018:
|
|
/* disable AC97 GPIO interrupt */
|
|
outl(0x00, TRID_REG(card, SI_AC97_GPIO));
|
|
/* when power up the AC link is in cold reset mode so stop it */
|
|
outl(PCMOUT | SURROUT | CENTEROUT | LFEOUT | SECONDARY_ID,
|
|
TRID_REG(card, SI_SERIAL_INTF_CTRL));
|
|
/* it take a long time to recover from a cold reset */
|
|
/* (especially when you have more than one codec) */
|
|
udelay(2000);
|
|
ready_2nd = inl(TRID_REG(card, SI_SERIAL_INTF_CTRL));
|
|
ready_2nd &= SI_AC97_SECONDARY_READY;
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX:
|
|
/* playback on */
|
|
outl(DX_AC97_PLAYBACK, TRID_REG(card, DX_ACR2_AC97_COM_STAT));
|
|
break;
|
|
case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX:
|
|
/* enable AC97 Output Slot 3,4 (PCM Left/Right Playback) */
|
|
outl(NX_AC97_PCM_OUTPUT, TRID_REG(card, NX_ACR0_AC97_COM_STAT));
|
|
ready_2nd = inl(TRID_REG(card, NX_ACR0_AC97_COM_STAT));
|
|
ready_2nd &= NX_AC97_SECONDARY_READY;
|
|
break;
|
|
case PCI_DEVICE_ID_INTERG_5050:
|
|
/* disable AC97 GPIO interrupt */
|
|
outl(0x00, TRID_REG(card, SI_AC97_GPIO));
|
|
/* when power up, the AC link is in cold reset mode, so stop it */
|
|
outl(PCMOUT | SURROUT | CENTEROUT | LFEOUT,
|
|
TRID_REG(card, SI_SERIAL_INTF_CTRL));
|
|
/* it take a long time to recover from a cold reset (especially */
|
|
/* when you have more than one codec) */
|
|
udelay(2000);
|
|
ready_2nd = inl(TRID_REG(card, SI_SERIAL_INTF_CTRL));
|
|
ready_2nd &= SI_AC97_SECONDARY_READY;
|
|
break;
|
|
}
|
|
|
|
for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++) {
|
|
if ((codec = ac97_alloc_codec()) == NULL)
|
|
return -ENOMEM;
|
|
|
|
/* initialize some basic codec information, other fields */
|
|
/* will be filled in ac97_probe_codec */
|
|
codec->private_data = card;
|
|
codec->id = num_ac97;
|
|
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
codec->codec_read = ali_ac97_read;
|
|
codec->codec_write = ali_ac97_write;
|
|
} else {
|
|
codec->codec_read = trident_ac97_get;
|
|
codec->codec_write = trident_ac97_set;
|
|
}
|
|
|
|
if (ac97_probe_codec(codec) == 0)
|
|
break;
|
|
|
|
codec->dev_mixer = register_sound_mixer(&trident_mixer_fops, -1);
|
|
if (codec->dev_mixer < 0) {
|
|
printk(KERN_ERR "trident: couldn't register mixer!\n");
|
|
ac97_release_codec(codec);
|
|
break;
|
|
}
|
|
|
|
card->ac97_codec[num_ac97] = codec;
|
|
|
|
/* if there is no secondary codec at all, don't probe any more */
|
|
if (!ready_2nd)
|
|
break;
|
|
}
|
|
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++) {
|
|
if (card->ac97_codec[num_ac97] == NULL)
|
|
break;
|
|
for (i = 0; i < 64; i++) {
|
|
u16 reg = ali_ac97_get(card, num_ac97, i * 2);
|
|
card->mixer_regs[i][num_ac97] = reg;
|
|
}
|
|
}
|
|
}
|
|
return num_ac97 + 1;
|
|
}
|
|
|
|
#ifdef SUPPORT_JOYSTICK
|
|
/* Gameport functions for the cards ADC gameport */
|
|
|
|
static unsigned char trident_game_read(struct gameport *gameport)
|
|
{
|
|
struct trident_card *card = gameport->port_data;
|
|
|
|
return inb(TRID_REG(card, T4D_GAME_LEG));
|
|
}
|
|
|
|
static void trident_game_trigger(struct gameport *gameport)
|
|
{
|
|
struct trident_card *card = gameport->port_data;
|
|
|
|
outb(0xff, TRID_REG(card, T4D_GAME_LEG));
|
|
}
|
|
|
|
static int trident_game_cooked_read(struct gameport *gameport,
|
|
int *axes, int *buttons)
|
|
{
|
|
struct trident_card *card = gameport->port_data;
|
|
int i;
|
|
|
|
*buttons = (~inb(TRID_REG(card, T4D_GAME_LEG)) >> 4) & 0xf;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
axes[i] = inw(TRID_REG(card, T4D_GAME_AXD) + i * sizeof (u16));
|
|
if (axes[i] == 0xffff)
|
|
axes[i] = -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int trident_game_open(struct gameport *gameport, int mode)
|
|
{
|
|
struct trident_card *card = gameport->port_data;
|
|
|
|
switch (mode) {
|
|
case GAMEPORT_MODE_COOKED:
|
|
outb(0x80, TRID_REG(card, T4D_GAME_CR));
|
|
msleep(20);
|
|
return 0;
|
|
case GAMEPORT_MODE_RAW:
|
|
outb(0x00, TRID_REG(card, T4D_GAME_CR));
|
|
return 0;
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __devinit trident_register_gameport(struct trident_card *card)
|
|
{
|
|
struct gameport *gp;
|
|
|
|
card->gameport = gp = gameport_allocate_port();
|
|
if (!gp) {
|
|
printk(KERN_ERR "trident: can not allocate memory for gameport\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
gameport_set_name(gp, "Trident 4DWave");
|
|
gameport_set_phys(gp, "pci%s/gameport0", pci_name(card->pci_dev));
|
|
gp->read = trident_game_read;
|
|
gp->trigger = trident_game_trigger;
|
|
gp->cooked_read = trident_game_cooked_read;
|
|
gp->open = trident_game_open;
|
|
gp->fuzz = 64;
|
|
gp->port_data = card;
|
|
|
|
gameport_register_port(gp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline void trident_unregister_gameport(struct trident_card *card)
|
|
{
|
|
if (card->gameport)
|
|
gameport_unregister_port(card->gameport);
|
|
}
|
|
|
|
#else
|
|
static inline int trident_register_gameport(struct trident_card *card) { return -ENOSYS; }
|
|
static inline void trident_unregister_gameport(struct trident_card *card) { }
|
|
#endif /* SUPPORT_JOYSTICK */
|
|
|
|
/* install the driver, we do not allocate hardware channel nor DMA buffer */
|
|
/* now, they are defered until "ACCESS" time (in prog_dmabuf called by */
|
|
/* open/read/write/ioctl/mmap) */
|
|
static int __devinit
|
|
trident_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id)
|
|
{
|
|
unsigned long iobase;
|
|
struct trident_card *card;
|
|
u8 bits;
|
|
u8 revision;
|
|
int i = 0;
|
|
u16 temp;
|
|
struct pci_dev *pci_dev_m1533 = NULL;
|
|
int rc = -ENODEV;
|
|
u64 dma_mask;
|
|
|
|
if (pci_enable_device(pci_dev))
|
|
goto out;
|
|
|
|
if (pci_dev->device == PCI_DEVICE_ID_ALI_5451)
|
|
dma_mask = ALI_DMA_MASK;
|
|
else
|
|
dma_mask = TRIDENT_DMA_MASK;
|
|
if (pci_set_dma_mask(pci_dev, dma_mask)) {
|
|
printk(KERN_ERR "trident: architecture does not support"
|
|
" %s PCI busmaster DMA\n",
|
|
pci_dev->device == PCI_DEVICE_ID_ALI_5451 ?
|
|
"32-bit" : "30-bit");
|
|
goto out;
|
|
}
|
|
pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &revision);
|
|
|
|
if (pci_id->device == PCI_DEVICE_ID_INTERG_5050)
|
|
iobase = pci_resource_start(pci_dev, 1);
|
|
else
|
|
iobase = pci_resource_start(pci_dev, 0);
|
|
|
|
if (!request_region(iobase, 256, card_names[pci_id->driver_data])) {
|
|
printk(KERN_ERR "trident: can't allocate I/O space at "
|
|
"0x%4.4lx\n", iobase);
|
|
goto out;
|
|
}
|
|
|
|
rc = -ENOMEM;
|
|
if ((card = kmalloc(sizeof(*card), GFP_KERNEL)) == NULL) {
|
|
printk(KERN_ERR "trident: out of memory\n");
|
|
goto out_release_region;
|
|
}
|
|
memset(card, 0, sizeof (*card));
|
|
|
|
init_timer(&card->timer);
|
|
card->iobase = iobase;
|
|
card->pci_dev = pci_dev;
|
|
card->pci_id = pci_id->device;
|
|
card->revision = revision;
|
|
card->irq = pci_dev->irq;
|
|
card->next = devs;
|
|
card->magic = TRIDENT_CARD_MAGIC;
|
|
card->banks[BANK_A].addresses = &bank_a_addrs;
|
|
card->banks[BANK_A].bitmap = 0UL;
|
|
card->banks[BANK_B].addresses = &bank_b_addrs;
|
|
card->banks[BANK_B].bitmap = 0UL;
|
|
|
|
init_MUTEX(&card->open_sem);
|
|
spin_lock_init(&card->lock);
|
|
init_timer(&card->timer);
|
|
|
|
devs = card;
|
|
|
|
pci_set_master(pci_dev);
|
|
|
|
printk(KERN_INFO "trident: %s found at IO 0x%04lx, IRQ %d\n",
|
|
card_names[pci_id->driver_data], card->iobase, card->irq);
|
|
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
/* ALi channel Management */
|
|
card->alloc_pcm_channel = ali_alloc_pcm_channel;
|
|
card->alloc_rec_pcm_channel = ali_alloc_rec_pcm_channel;
|
|
card->free_pcm_channel = ali_free_pcm_channel;
|
|
|
|
card->address_interrupt = ali_address_interrupt;
|
|
|
|
/* Added by Matt Wu 01-05-2001 for spdif in */
|
|
card->multi_channel_use_count = 0;
|
|
card->rec_channel_use_count = 0;
|
|
|
|
/* ALi SPDIF OUT function */
|
|
if (card->revision == ALI_5451_V02) {
|
|
ali_setup_spdif_out(card, ALI_PCM_TO_SPDIF_OUT);
|
|
res = create_proc_entry("ALi5451", 0, NULL);
|
|
if (res) {
|
|
res->write_proc = ali_write_proc;
|
|
res->data = card;
|
|
}
|
|
}
|
|
|
|
/* Add H/W Volume Control By Matt Wu Jul. 06, 2001 */
|
|
card->hwvolctl = 0;
|
|
pci_dev_m1533 = pci_find_device(PCI_VENDOR_ID_AL,
|
|
PCI_DEVICE_ID_AL_M1533,
|
|
pci_dev_m1533);
|
|
rc = -ENODEV;
|
|
if (pci_dev_m1533 == NULL)
|
|
goto out_proc_fs;
|
|
pci_read_config_byte(pci_dev_m1533, 0x63, &bits);
|
|
if (bits & (1 << 5))
|
|
card->hwvolctl = 1;
|
|
if (card->hwvolctl) {
|
|
/* Clear m1533 pci cfg 78h bit 30 to zero, which makes
|
|
GPIO11/12/13 work as ACGP_UP/DOWN/MUTE. */
|
|
pci_read_config_byte(pci_dev_m1533, 0x7b, &bits);
|
|
bits &= 0xbf; /*clear bit 6 */
|
|
pci_write_config_byte(pci_dev_m1533, 0x7b, bits);
|
|
}
|
|
} else if (card->pci_id == PCI_DEVICE_ID_INTERG_5050) {
|
|
card->alloc_pcm_channel = cyber_alloc_pcm_channel;
|
|
card->alloc_rec_pcm_channel = cyber_alloc_pcm_channel;
|
|
card->free_pcm_channel = cyber_free_pcm_channel;
|
|
card->address_interrupt = cyber_address_interrupt;
|
|
cyber_init_ritual(card);
|
|
} else {
|
|
card->alloc_pcm_channel = trident_alloc_pcm_channel;
|
|
card->alloc_rec_pcm_channel = trident_alloc_pcm_channel;
|
|
card->free_pcm_channel = trident_free_pcm_channel;
|
|
card->address_interrupt = trident_address_interrupt;
|
|
}
|
|
|
|
/* claim our irq */
|
|
rc = -ENODEV;
|
|
if (request_irq(card->irq, &trident_interrupt, SA_SHIRQ,
|
|
card_names[pci_id->driver_data], card)) {
|
|
printk(KERN_ERR "trident: unable to allocate irq %d\n",
|
|
card->irq);
|
|
goto out_proc_fs;
|
|
}
|
|
/* register /dev/dsp */
|
|
if ((card->dev_audio = register_sound_dsp(&trident_audio_fops, -1)) < 0) {
|
|
printk(KERN_ERR "trident: couldn't register DSP device!\n");
|
|
goto out_free_irq;
|
|
}
|
|
card->mixer_regs_ready = 0;
|
|
/* initialize AC97 codec and register /dev/mixer */
|
|
if (trident_ac97_init(card) <= 0) {
|
|
/* unregister audio devices */
|
|
for (i = 0; i < NR_AC97; i++) {
|
|
if (card->ac97_codec[i] != NULL) {
|
|
struct ac97_codec* codec = card->ac97_codec[i];
|
|
unregister_sound_mixer(codec->dev_mixer);
|
|
ac97_release_codec(codec);
|
|
}
|
|
}
|
|
goto out_unregister_sound_dsp;
|
|
}
|
|
card->mixer_regs_ready = 1;
|
|
outl(0x00, TRID_REG(card, T4D_MUSICVOL_WAVEVOL));
|
|
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
/* Add H/W Volume Control By Matt Wu Jul. 06, 2001 */
|
|
if (card->hwvolctl) {
|
|
/* Enable GPIO IRQ (MISCINT bit 18h) */
|
|
temp = inw(TRID_REG(card, T4D_MISCINT + 2));
|
|
temp |= 0x0004;
|
|
outw(temp, TRID_REG(card, T4D_MISCINT + 2));
|
|
|
|
/* Enable H/W Volume Control GLOVAL CONTROL bit 0 */
|
|
temp = inw(TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
temp |= 0x0001;
|
|
outw(temp, TRID_REG(card, ALI_GLOBAL_CONTROL));
|
|
|
|
}
|
|
if (card->revision == ALI_5451_V02)
|
|
ali_close_multi_channels();
|
|
/* edited by HMSEO for GT sound */
|
|
#if defined(CONFIG_ALPHA_NAUTILUS) || defined(CONFIG_ALPHA_GENERIC)
|
|
{
|
|
u16 ac97_data;
|
|
extern struct hwrpb_struct *hwrpb;
|
|
|
|
if ((hwrpb->sys_type) == 201) {
|
|
printk(KERN_INFO "trident: Running on Alpha system "
|
|
"type Nautilus\n");
|
|
ac97_data = ali_ac97_get(card, 0, AC97_POWER_CONTROL);
|
|
ali_ac97_set(card, 0, AC97_POWER_CONTROL,
|
|
ac97_data | ALI_EAPD_POWER_DOWN);
|
|
}
|
|
}
|
|
#endif /* CONFIG_ALPHA_NAUTILUS || CONFIG_ALPHA_GENERIC */
|
|
/* edited by HMSEO for GT sound */
|
|
}
|
|
rc = 0;
|
|
pci_set_drvdata(pci_dev, card);
|
|
|
|
/* Enable Address Engine Interrupts */
|
|
trident_enable_loop_interrupts(card);
|
|
|
|
/* Register gameport */
|
|
trident_register_gameport(card);
|
|
|
|
out:
|
|
return rc;
|
|
|
|
out_unregister_sound_dsp:
|
|
unregister_sound_dsp(card->dev_audio);
|
|
out_free_irq:
|
|
free_irq(card->irq, card);
|
|
out_proc_fs:
|
|
if (res) {
|
|
remove_proc_entry("ALi5451", NULL);
|
|
res = NULL;
|
|
}
|
|
kfree(card);
|
|
devs = NULL;
|
|
out_release_region:
|
|
release_region(iobase, 256);
|
|
return rc;
|
|
}
|
|
|
|
static void __devexit
|
|
trident_remove(struct pci_dev *pci_dev)
|
|
{
|
|
int i;
|
|
struct trident_card *card = pci_get_drvdata(pci_dev);
|
|
|
|
/*
|
|
* Kill running timers before unload. We can't have them
|
|
* going off after rmmod!
|
|
*/
|
|
if (card->hwvolctl)
|
|
del_timer_sync(&card->timer);
|
|
|
|
/* ALi S/PDIF and Power Management */
|
|
if (card->pci_id == PCI_DEVICE_ID_ALI_5451) {
|
|
ali_setup_spdif_out(card, ALI_PCM_TO_SPDIF_OUT);
|
|
ali_disable_special_channel(card, ALI_SPDIF_OUT_CHANNEL);
|
|
ali_disable_spdif_in(card);
|
|
remove_proc_entry("ALi5451", NULL);
|
|
}
|
|
|
|
/* Unregister gameport */
|
|
trident_unregister_gameport(card);
|
|
|
|
/* Kill interrupts, and SP/DIF */
|
|
trident_disable_loop_interrupts(card);
|
|
|
|
/* free hardware resources */
|
|
free_irq(card->irq, card);
|
|
release_region(card->iobase, 256);
|
|
|
|
/* unregister audio devices */
|
|
for (i = 0; i < NR_AC97; i++)
|
|
if (card->ac97_codec[i] != NULL) {
|
|
unregister_sound_mixer(card->ac97_codec[i]->dev_mixer);
|
|
ac97_release_codec(card->ac97_codec[i]);
|
|
}
|
|
unregister_sound_dsp(card->dev_audio);
|
|
|
|
kfree(card);
|
|
|
|
pci_set_drvdata(pci_dev, NULL);
|
|
}
|
|
|
|
MODULE_AUTHOR("Alan Cox, Aaron Holtzman, Ollie Lho, Ching Ling Lee, Muli Ben-Yehuda");
|
|
MODULE_DESCRIPTION("Trident 4DWave/SiS 7018/ALi 5451 and Tvia/IGST CyberPro5050 PCI "
|
|
"Audio Driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
#define TRIDENT_MODULE_NAME "trident"
|
|
|
|
static struct pci_driver trident_pci_driver = {
|
|
.name = TRIDENT_MODULE_NAME,
|
|
.id_table = trident_pci_tbl,
|
|
.probe = trident_probe,
|
|
.remove = __devexit_p(trident_remove),
|
|
.suspend = trident_suspend,
|
|
.resume = trident_resume
|
|
};
|
|
|
|
static int __init
|
|
trident_init_module(void)
|
|
{
|
|
printk(KERN_INFO "Trident 4DWave/SiS 7018/ALi 5451,Tvia CyberPro "
|
|
"5050 PCI Audio, version " DRIVER_VERSION ", " __TIME__ " "
|
|
__DATE__ "\n");
|
|
|
|
return pci_register_driver(&trident_pci_driver);
|
|
}
|
|
|
|
static void __exit
|
|
trident_cleanup_module(void)
|
|
{
|
|
pci_unregister_driver(&trident_pci_driver);
|
|
}
|
|
|
|
module_init(trident_init_module);
|
|
module_exit(trident_cleanup_module);
|
|
|