Revision b1fc0b1f21c4082d24d1f456a846b4fa7d16a70b authored by Alan Cox on 26 September 2006, 06:33:08 UTC, committed by Linus Torvalds on 26 September 2006, 15:49:09 UTC
Ensure current->signal->tty doesn't get freed during log_exec(). Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
1 parent 75e29b1
ymfpci.h
#ifndef __YMFPCI_H
#define __YMFPCI_H
/*
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
* Definitions for Yahama YMF724/740/744/754 chips
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <linux/config.h>
#include <linux/mutex.h>
/*
* Direct registers
*/
/* #define YMFREG(codec, reg) (codec->port + YDSXGR_##reg) */
#define YDSXGR_INTFLAG 0x0004
#define YDSXGR_ACTIVITY 0x0006
#define YDSXGR_GLOBALCTRL 0x0008
#define YDSXGR_ZVCTRL 0x000A
#define YDSXGR_TIMERCTRL 0x0010
#define YDSXGR_TIMERCTRL_TEN 0x0001
#define YDSXGR_TIMERCTRL_TIEN 0x0002
#define YDSXGR_TIMERCOUNT 0x0012
#define YDSXGR_SPDIFOUTCTRL 0x0018
#define YDSXGR_SPDIFOUTSTATUS 0x001C
#define YDSXGR_EEPROMCTRL 0x0020
#define YDSXGR_SPDIFINCTRL 0x0034
#define YDSXGR_SPDIFINSTATUS 0x0038
#define YDSXGR_DSPPROGRAMDL 0x0048
#define YDSXGR_DLCNTRL 0x004C
#define YDSXGR_GPIOININTFLAG 0x0050
#define YDSXGR_GPIOININTENABLE 0x0052
#define YDSXGR_GPIOINSTATUS 0x0054
#define YDSXGR_GPIOOUTCTRL 0x0056
#define YDSXGR_GPIOFUNCENABLE 0x0058
#define YDSXGR_GPIOTYPECONFIG 0x005A
#define YDSXGR_AC97CMDDATA 0x0060
#define YDSXGR_AC97CMDADR 0x0062
#define YDSXGR_PRISTATUSDATA 0x0064
#define YDSXGR_PRISTATUSADR 0x0066
#define YDSXGR_SECSTATUSDATA 0x0068
#define YDSXGR_SECSTATUSADR 0x006A
#define YDSXGR_SECCONFIG 0x0070
#define YDSXGR_LEGACYOUTVOL 0x0080
#define YDSXGR_LEGACYOUTVOLL 0x0080
#define YDSXGR_LEGACYOUTVOLR 0x0082
#define YDSXGR_NATIVEDACOUTVOL 0x0084
#define YDSXGR_NATIVEDACOUTVOLL 0x0084
#define YDSXGR_NATIVEDACOUTVOLR 0x0086
#define YDSXGR_SPDIFOUTVOL 0x0088
#define YDSXGR_SPDIFOUTVOLL 0x0088
#define YDSXGR_SPDIFOUTVOLR 0x008A
#define YDSXGR_AC3OUTVOL 0x008C
#define YDSXGR_AC3OUTVOLL 0x008C
#define YDSXGR_AC3OUTVOLR 0x008E
#define YDSXGR_PRIADCOUTVOL 0x0090
#define YDSXGR_PRIADCOUTVOLL 0x0090
#define YDSXGR_PRIADCOUTVOLR 0x0092
#define YDSXGR_LEGACYLOOPVOL 0x0094
#define YDSXGR_LEGACYLOOPVOLL 0x0094
#define YDSXGR_LEGACYLOOPVOLR 0x0096
#define YDSXGR_NATIVEDACLOOPVOL 0x0098
#define YDSXGR_NATIVEDACLOOPVOLL 0x0098
#define YDSXGR_NATIVEDACLOOPVOLR 0x009A
#define YDSXGR_SPDIFLOOPVOL 0x009C
#define YDSXGR_SPDIFLOOPVOLL 0x009E
#define YDSXGR_SPDIFLOOPVOLR 0x009E
#define YDSXGR_AC3LOOPVOL 0x00A0
#define YDSXGR_AC3LOOPVOLL 0x00A0
#define YDSXGR_AC3LOOPVOLR 0x00A2
#define YDSXGR_PRIADCLOOPVOL 0x00A4
#define YDSXGR_PRIADCLOOPVOLL 0x00A4
#define YDSXGR_PRIADCLOOPVOLR 0x00A6
#define YDSXGR_NATIVEADCINVOL 0x00A8
#define YDSXGR_NATIVEADCINVOLL 0x00A8
#define YDSXGR_NATIVEADCINVOLR 0x00AA
#define YDSXGR_NATIVEDACINVOL 0x00AC
#define YDSXGR_NATIVEDACINVOLL 0x00AC
#define YDSXGR_NATIVEDACINVOLR 0x00AE
#define YDSXGR_BUF441OUTVOL 0x00B0
#define YDSXGR_BUF441OUTVOLL 0x00B0
#define YDSXGR_BUF441OUTVOLR 0x00B2
#define YDSXGR_BUF441LOOPVOL 0x00B4
#define YDSXGR_BUF441LOOPVOLL 0x00B4
#define YDSXGR_BUF441LOOPVOLR 0x00B6
#define YDSXGR_SPDIFOUTVOL2 0x00B8
#define YDSXGR_SPDIFOUTVOL2L 0x00B8
#define YDSXGR_SPDIFOUTVOL2R 0x00BA
#define YDSXGR_SPDIFLOOPVOL2 0x00BC
#define YDSXGR_SPDIFLOOPVOL2L 0x00BC
#define YDSXGR_SPDIFLOOPVOL2R 0x00BE
#define YDSXGR_ADCSLOTSR 0x00C0
#define YDSXGR_RECSLOTSR 0x00C4
#define YDSXGR_ADCFORMAT 0x00C8
#define YDSXGR_RECFORMAT 0x00CC
#define YDSXGR_P44SLOTSR 0x00D0
#define YDSXGR_STATUS 0x0100
#define YDSXGR_CTRLSELECT 0x0104
#define YDSXGR_MODE 0x0108
#define YDSXGR_SAMPLECOUNT 0x010C
#define YDSXGR_NUMOFSAMPLES 0x0110
#define YDSXGR_CONFIG 0x0114
#define YDSXGR_PLAYCTRLSIZE 0x0140
#define YDSXGR_RECCTRLSIZE 0x0144
#define YDSXGR_EFFCTRLSIZE 0x0148
#define YDSXGR_WORKSIZE 0x014C
#define YDSXGR_MAPOFREC 0x0150
#define YDSXGR_MAPOFEFFECT 0x0154
#define YDSXGR_PLAYCTRLBASE 0x0158
#define YDSXGR_RECCTRLBASE 0x015C
#define YDSXGR_EFFCTRLBASE 0x0160
#define YDSXGR_WORKBASE 0x0164
#define YDSXGR_DSPINSTRAM 0x1000
#define YDSXGR_CTRLINSTRAM 0x4000
#define YDSXG_AC97READCMD 0x8000
#define YDSXG_AC97WRITECMD 0x0000
#define PCIR_LEGCTRL 0x40
#define PCIR_ELEGCTRL 0x42
#define PCIR_DSXGCTRL 0x48
#define PCIR_DSXPWRCTRL1 0x4a
#define PCIR_DSXPWRCTRL2 0x4e
#define PCIR_OPLADR 0x60
#define PCIR_SBADR 0x62
#define PCIR_MPUADR 0x64
#define YDSXG_DSPLENGTH 0x0080
#define YDSXG_CTRLLENGTH 0x3000
#define YDSXG_DEFAULT_WORK_SIZE 0x0400
#define YDSXG_PLAYBACK_VOICES 64
#define YDSXG_CAPTURE_VOICES 2
#define YDSXG_EFFECT_VOICES 5
/* maxinum number of AC97 codecs connected, AC97 2.0 defined 4 */
#define NR_AC97 2
#define YMF_SAMPF 256 /* Samples per frame @48000 */
/*
* The slot/voice control bank (2 of these per voice)
*/
typedef struct stru_ymfpci_playback_bank {
u32 format;
u32 loop_default;
u32 base; /* 32-bit address */
u32 loop_start; /* 32-bit offset */
u32 loop_end; /* 32-bit offset */
u32 loop_frac; /* 8-bit fraction - loop_start */
u32 delta_end; /* pitch delta end */
u32 lpfK_end;
u32 eg_gain_end;
u32 left_gain_end;
u32 right_gain_end;
u32 eff1_gain_end;
u32 eff2_gain_end;
u32 eff3_gain_end;
u32 lpfQ;
u32 status; /* P3: Always 0 for some reason. */
u32 num_of_frames;
u32 loop_count;
u32 start; /* P3: J. reads this to know where chip is. */
u32 start_frac;
u32 delta;
u32 lpfK;
u32 eg_gain;
u32 left_gain;
u32 right_gain;
u32 eff1_gain;
u32 eff2_gain;
u32 eff3_gain;
u32 lpfD1;
u32 lpfD2;
} ymfpci_playback_bank_t;
typedef struct stru_ymfpci_capture_bank {
u32 base; /* 32-bit address (aligned at 4) */
u32 loop_end; /* size in BYTES (aligned at 4) */
u32 start; /* 32-bit offset */
u32 num_of_loops; /* counter */
} ymfpci_capture_bank_t;
typedef struct stru_ymfpci_effect_bank {
u32 base; /* 32-bit address */
u32 loop_end; /* 32-bit offset */
u32 start; /* 32-bit offset */
u32 temp;
} ymfpci_effect_bank_t;
typedef struct ymf_voice ymfpci_voice_t;
/*
* Throughout the code Yaroslav names YMF unit pointer "codec"
* even though it does not correspond to any codec. Must be historic.
* We replace it with "unit" over time.
* AC97 parts use "codec" to denote a codec, naturally.
*/
typedef struct ymf_unit ymfpci_t;
typedef enum {
YMFPCI_PCM,
YMFPCI_SYNTH,
YMFPCI_MIDI
} ymfpci_voice_type_t;
struct ymf_voice {
// ymfpci_t *codec;
int number;
char use, pcm, synth, midi; // bool
ymfpci_playback_bank_t *bank;
struct ymf_pcm *ypcm;
dma_addr_t bank_ba;
};
struct ymf_capture {
// struct ymf_unit *unit;
int use;
ymfpci_capture_bank_t *bank;
struct ymf_pcm *ypcm;
};
struct ymf_unit {
u8 rev; /* PCI revision */
void __iomem *reg_area_virt;
void *dma_area_va;
dma_addr_t dma_area_ba;
unsigned int dma_area_size;
dma_addr_t bank_base_capture;
dma_addr_t bank_base_effect;
dma_addr_t work_base;
unsigned int work_size;
u32 *ctrl_playback;
dma_addr_t ctrl_playback_ba;
ymfpci_playback_bank_t *bank_playback[YDSXG_PLAYBACK_VOICES][2];
ymfpci_capture_bank_t *bank_capture[YDSXG_CAPTURE_VOICES][2];
ymfpci_effect_bank_t *bank_effect[YDSXG_EFFECT_VOICES][2];
int start_count;
int suspended;
u32 active_bank;
struct ymf_voice voices[YDSXG_PLAYBACK_VOICES];
struct ymf_capture capture[YDSXG_CAPTURE_VOICES];
struct ac97_codec *ac97_codec[NR_AC97];
u16 ac97_features;
struct pci_dev *pci;
#ifdef CONFIG_SOUND_YMFPCI_LEGACY
/* legacy hardware resources */
unsigned int iosynth, iomidi;
struct address_info opl3_data, mpu_data;
#endif
spinlock_t reg_lock;
spinlock_t voice_lock;
spinlock_t ac97_lock;
/* soundcore stuff */
int dev_audio;
struct mutex open_mutex;
struct list_head ymf_devs;
struct list_head states; /* List of states for this unit */
};
struct ymf_dmabuf {
dma_addr_t dma_addr;
void *rawbuf;
unsigned buforder;
/* OSS buffer management stuff */
unsigned numfrag;
unsigned fragshift;
/* our buffer acts like a circular ring */
unsigned hwptr; /* where dma last started */
unsigned swptr; /* where driver last clear/filled */
int count; /* fill count */
unsigned total_bytes; /* total bytes dmaed by hardware */
wait_queue_head_t wait; /* put process on wait queue when no more space in buffer */
/* redundant, but makes calculations easier */
unsigned fragsize;
unsigned dmasize; /* Total rawbuf[] size */
/* OSS stuff */
unsigned mapped:1;
unsigned ready:1;
unsigned ossfragshift;
int ossmaxfrags;
unsigned subdivision;
};
struct ymf_pcm_format {
int format; /* OSS format */
int rate; /* rate in Hz */
int voices; /* number of voices */
int shift; /* redundant, computed from the above */
};
typedef enum {
PLAYBACK_VOICE,
CAPTURE_REC,
CAPTURE_AC97,
EFFECT_DRY_LEFT,
EFFECT_DRY_RIGHT,
EFFECT_EFF1,
EFFECT_EFF2,
EFFECT_EFF3
} ymfpci_pcm_type_t;
/* This is variant record, but we hate unions. Little waste on pointers []. */
struct ymf_pcm {
ymfpci_pcm_type_t type;
struct ymf_state *state;
ymfpci_voice_t *voices[2];
int capture_bank_number;
struct ymf_dmabuf dmabuf;
int running;
int spdif;
};
/*
* "Software" or virtual channel, an instance of opened /dev/dsp.
* It may have two physical channels (pcms) for duplex operations.
*/
struct ymf_state {
struct list_head chain;
struct ymf_unit *unit; /* backpointer */
struct ymf_pcm rpcm, wpcm;
struct ymf_pcm_format format;
};
#endif /* __YMFPCI_H */
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