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linuxdebug/sound/pci/trident/trident.h

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null pointer error
2024-07-16 15:50:57 +02:00
/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_TRIDENT_H
#define __SOUND_TRIDENT_H
/*
* audio@tridentmicro.com
* Fri Feb 19 15:55:28 MST 1999
* Definitions for Trident 4DWave DX/NX chips
*/
#include <sound/pcm.h>
#include <sound/mpu401.h>
#include <sound/ac97_codec.h>
#include <sound/util_mem.h>
#define TRIDENT_DEVICE_ID_DX ((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_DX)
#define TRIDENT_DEVICE_ID_NX ((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_NX)
#define TRIDENT_DEVICE_ID_SI7018 ((PCI_VENDOR_ID_SI<<16)|PCI_DEVICE_ID_SI_7018)
#define SNDRV_TRIDENT_VOICE_TYPE_PCM 0
#define SNDRV_TRIDENT_VOICE_TYPE_SYNTH 1
#define SNDRV_TRIDENT_VOICE_TYPE_MIDI 2
#define SNDRV_TRIDENT_VFLG_RUNNING (1<<0)
/* TLB code constants */
#define SNDRV_TRIDENT_PAGE_SIZE 4096
#define SNDRV_TRIDENT_PAGE_SHIFT 12
#define SNDRV_TRIDENT_PAGE_MASK ((1<<SNDRV_TRIDENT_PAGE_SHIFT)-1)
#define SNDRV_TRIDENT_MAX_PAGES 4096
/*
* Direct registers
*/
#define TRID_REG(trident, x) ((trident)->port + (x))
#define ID_4DWAVE_DX 0x2000
#define ID_4DWAVE_NX 0x2001
/* Bank definitions */
#define T4D_BANK_A 0
#define T4D_BANK_B 1
#define T4D_NUM_BANKS 2
/* Register definitions */
/* Global registers */
enum global_control_bits {
CHANNEL_IDX = 0x0000003f,
OVERRUN_IE = 0x00000400, /* interrupt enable: capture overrun */
UNDERRUN_IE = 0x00000800, /* interrupt enable: playback underrun */
ENDLP_IE = 0x00001000, /* interrupt enable: end of buffer */
MIDLP_IE = 0x00002000, /* interrupt enable: middle buffer */
ETOG_IE = 0x00004000, /* interrupt enable: envelope toggling */
EDROP_IE = 0x00008000, /* interrupt enable: envelope drop */
BANK_B_EN = 0x00010000, /* SiS: enable bank B (64 channels) */
PCMIN_B_MIX = 0x00020000, /* SiS: PCM IN B mixing enable */
I2S_OUT_ASSIGN = 0x00040000, /* SiS: I2S Out contains surround PCM */
SPDIF_OUT_ASSIGN= 0x00080000, /* SiS: 0=S/PDIF L/R | 1=PCM Out FIFO */
MAIN_OUT_ASSIGN = 0x00100000, /* SiS: 0=PCM Out FIFO | 1=MMC Out buffer */
};
enum miscint_bits {
PB_UNDERRUN_IRQ = 0x00000001, REC_OVERRUN_IRQ = 0x00000002,
SB_IRQ = 0x00000004, MPU401_IRQ = 0x00000008,
OPL3_IRQ = 0x00000010, ADDRESS_IRQ = 0x00000020,
ENVELOPE_IRQ = 0x00000040, PB_UNDERRUN = 0x00000100,
REC_OVERRUN = 0x00000200, MIXER_UNDERFLOW = 0x00000400,
MIXER_OVERFLOW = 0x00000800, NX_SB_IRQ_DISABLE = 0x00001000,
ST_TARGET_REACHED = 0x00008000,
PB_24K_MODE = 0x00010000, ST_IRQ_EN = 0x00800000,
ACGPIO_IRQ = 0x01000000
};
/* T2 legacy dma control registers. */
#define LEGACY_DMAR0 0x00 // ADR0
#define LEGACY_DMAR4 0x04 // CNT0
#define LEGACY_DMAR6 0x06 // CNT0 - High bits
#define LEGACY_DMAR11 0x0b // MOD
#define LEGACY_DMAR15 0x0f // MMR
#define T4D_START_A 0x80
#define T4D_STOP_A 0x84
#define T4D_DLY_A 0x88
#define T4D_SIGN_CSO_A 0x8c
#define T4D_CSPF_A 0x90
#define T4D_CSPF_B 0xbc
#define T4D_CEBC_A 0x94
#define T4D_AINT_A 0x98
#define T4D_AINTEN_A 0x9c
#define T4D_LFO_GC_CIR 0xa0
#define T4D_MUSICVOL_WAVEVOL 0xa8
#define T4D_SBDELTA_DELTA_R 0xac
#define T4D_MISCINT 0xb0
#define T4D_START_B 0xb4
#define T4D_STOP_B 0xb8
#define T4D_SBBL_SBCL 0xc0
#define T4D_SBCTRL_SBE2R_SBDD 0xc4
#define T4D_STIMER 0xc8
#define T4D_AINT_B 0xd8
#define T4D_AINTEN_B 0xdc
#define T4D_RCI 0x70
/* MPU-401 UART */
#define T4D_MPU401_BASE 0x20
#define T4D_MPUR0 0x20
#define T4D_MPUR1 0x21
#define T4D_MPUR2 0x22
#define T4D_MPUR3 0x23
/* S/PDIF Registers */
#define NX_SPCTRL_SPCSO 0x24
#define NX_SPLBA 0x28
#define NX_SPESO 0x2c
#define NX_SPCSTATUS 0x64
/* Joystick */
#define GAMEPORT_GCR 0x30
#define GAMEPORT_MODE_ADC 0x80
#define GAMEPORT_LEGACY 0x31
#define GAMEPORT_AXES 0x34
/* NX Specific Registers */
#define NX_TLBC 0x6c
/* Channel Registers */
#define CH_START 0xe0
#define CH_DX_CSO_ALPHA_FMS 0xe0
#define CH_DX_ESO_DELTA 0xe8
#define CH_DX_FMC_RVOL_CVOL 0xec
#define CH_NX_DELTA_CSO 0xe0
#define CH_NX_DELTA_ESO 0xe8
#define CH_NX_ALPHA_FMS_FMC_RVOL_CVOL 0xec
#define CH_LBA 0xe4
#define CH_GVSEL_PAN_VOL_CTRL_EC 0xf0
#define CH_EBUF1 0xf4
#define CH_EBUF2 0xf8
/* AC-97 Registers */
#define DX_ACR0_AC97_W 0x40
#define DX_ACR1_AC97_R 0x44
#define DX_ACR2_AC97_COM_STAT 0x48
#define NX_ACR0_AC97_COM_STAT 0x40
#define NX_ACR1_AC97_W 0x44
#define NX_ACR2_AC97_R_PRIMARY 0x48
#define NX_ACR3_AC97_R_SECONDARY 0x4c
#define SI_AC97_WRITE 0x40
#define SI_AC97_READ 0x44
#define SI_SERIAL_INTF_CTRL 0x48
#define SI_AC97_GPIO 0x4c
#define SI_ASR0 0x50
#define SI_SPDIF_CS 0x70
#define SI_GPIO 0x7c
enum trident_nx_ac97_bits {
/* ACR1-3 */
NX_AC97_BUSY_WRITE = 0x0800,
NX_AC97_BUSY_READ = 0x0800,
NX_AC97_BUSY_DATA = 0x0400,
NX_AC97_WRITE_SECONDARY = 0x0100,
/* ACR0 */
NX_AC97_SECONDARY_READY = 0x0040,
NX_AC97_SECONDARY_RECORD = 0x0020,
NX_AC97_SURROUND_OUTPUT = 0x0010,
NX_AC97_PRIMARY_READY = 0x0008,
NX_AC97_PRIMARY_RECORD = 0x0004,
NX_AC97_PCM_OUTPUT = 0x0002,
NX_AC97_WARM_RESET = 0x0001
};
enum trident_dx_ac97_bits {
DX_AC97_BUSY_WRITE = 0x8000,
DX_AC97_BUSY_READ = 0x8000,
DX_AC97_READY = 0x0010,
DX_AC97_RECORD = 0x0008,
DX_AC97_PLAYBACK = 0x0002
};
enum sis7018_ac97_bits {
SI_AC97_BUSY_WRITE = 0x00008000,
SI_AC97_AUDIO_BUSY = 0x00004000,
SI_AC97_MODEM_BUSY = 0x00002000,
SI_AC97_BUSY_READ = 0x00008000,
SI_AC97_SECONDARY = 0x00000080,
};
enum serial_intf_ctrl_bits {
WARM_RESET = 0x00000001,
COLD_RESET = 0x00000002,
I2S_CLOCK = 0x00000004,
PCM_SEC_AC97 = 0x00000008,
AC97_DBL_RATE = 0x00000010,
SPDIF_EN = 0x00000020,
I2S_OUTPUT_EN = 0x00000040,
I2S_INPUT_EN = 0x00000080,
PCMIN = 0x00000100,
LINE1IN = 0x00000200,
MICIN = 0x00000400,
LINE2IN = 0x00000800,
HEAD_SET_IN = 0x00001000,
GPIOIN = 0x00002000,
/* 7018 spec says id = 01 but the demo board routed to 10
SECONDARY_ID= 0x00004000, */
SECONDARY_ID = 0x00004000,
PCMOUT = 0x00010000,
SURROUT = 0x00020000,
CENTEROUT = 0x00040000,
LFEOUT = 0x00080000,
LINE1OUT = 0x00100000,
LINE2OUT = 0x00200000,
GPIOOUT = 0x00400000,
SI_AC97_PRIMARY_READY = 0x01000000,
SI_AC97_SECONDARY_READY = 0x02000000,
SI_AC97_POWERDOWN = 0x04000000,
};
/* PCM defaults */
#define T4D_DEFAULT_PCM_VOL 10 /* 0 - 255 */
#define T4D_DEFAULT_PCM_PAN 0 /* 0 - 127 */
#define T4D_DEFAULT_PCM_RVOL 127 /* 0 - 127 */
#define T4D_DEFAULT_PCM_CVOL 127 /* 0 - 127 */
struct snd_trident;
struct snd_trident_voice;
struct snd_trident_pcm_mixer;
struct snd_trident_port {
struct snd_midi_channel_set * chset;
struct snd_trident * trident;
int mode; /* operation mode */
int client; /* sequencer client number */
int port; /* sequencer port number */
unsigned int midi_has_voices: 1;
};
struct snd_trident_memblk_arg {
short first_page, last_page;
};
struct snd_trident_tlb {
__le32 *entries; /* 16k-aligned TLB table */
dma_addr_t entries_dmaaddr; /* 16k-aligned PCI address to TLB table */
struct snd_dma_buffer *buffer;
struct snd_util_memhdr * memhdr; /* page allocation list */
struct snd_dma_buffer *silent_page;
};
struct snd_trident_voice {
unsigned int number;
unsigned int use: 1,
pcm: 1,
synth:1,
midi: 1;
unsigned int flags;
unsigned char client;
unsigned char port;
unsigned char index;
struct snd_trident_sample_ops *sample_ops;
/* channel parameters */
unsigned int CSO; /* 24 bits (16 on DX) */
unsigned int ESO; /* 24 bits (16 on DX) */
unsigned int LBA; /* 30 bits */
unsigned short EC; /* 12 bits */
unsigned short Alpha; /* 12 bits */
unsigned short Delta; /* 16 bits */
unsigned short Attribute; /* 16 bits - SiS 7018 */
unsigned short Vol; /* 12 bits (6.6) */
unsigned char Pan; /* 7 bits (1.4.2) */
unsigned char GVSel; /* 1 bit */
unsigned char RVol; /* 7 bits (5.2) */
unsigned char CVol; /* 7 bits (5.2) */
unsigned char FMC; /* 2 bits */
unsigned char CTRL; /* 4 bits */
unsigned char FMS; /* 4 bits */
unsigned char LFO; /* 8 bits */
unsigned int negCSO; /* nonzero - use negative CSO */
struct snd_util_memblk *memblk; /* memory block if TLB enabled */
/* PCM data */
struct snd_trident *trident;
struct snd_pcm_substream *substream;
struct snd_trident_voice *extra; /* extra PCM voice (acts as interrupt generator) */
unsigned int running: 1,
capture: 1,
spdif: 1,
foldback: 1,
isync: 1,
isync2: 1,
isync3: 1;
int foldback_chan; /* foldback subdevice number */
unsigned int stimer; /* global sample timer (to detect spurious interrupts) */
unsigned int spurious_threshold; /* spurious threshold */
unsigned int isync_mark;
unsigned int isync_max;
unsigned int isync_ESO;
/* --- */
void *private_data;
void (*private_free)(struct snd_trident_voice *voice);
};
struct snd_4dwave {
int seq_client;
struct snd_trident_port seq_ports[4];
struct snd_trident_voice voices[64];
int ChanSynthCount; /* number of allocated synth channels */
int max_size; /* maximum synth memory size in bytes */
int current_size; /* current allocated synth mem in bytes */
};
struct snd_trident_pcm_mixer {
struct snd_trident_voice *voice; /* active voice */
unsigned short vol; /* front volume */
unsigned char pan; /* pan control */
unsigned char rvol; /* rear volume */
unsigned char cvol; /* center volume */
unsigned char pad;
};
struct snd_trident {
int irq;
unsigned int device; /* device ID */
unsigned char bDMAStart;
unsigned long port;
unsigned long midi_port;
unsigned int spurious_irq_count;
unsigned int spurious_irq_max_delta;
struct snd_trident_tlb tlb; /* TLB entries for NX cards */
unsigned char spdif_ctrl;
unsigned char spdif_pcm_ctrl;
unsigned int spdif_bits;
unsigned int spdif_pcm_bits;
struct snd_kcontrol *spdif_pcm_ctl; /* S/PDIF settings */
unsigned int ac97_ctrl;
unsigned int ChanMap[2]; /* allocation map for hardware channels */
int ChanPCM; /* max number of PCM channels */
int ChanPCMcnt; /* actual number of PCM channels */
unsigned int ac97_detect: 1; /* 1 = AC97 in detection phase */
unsigned int in_suspend: 1; /* 1 during suspend/resume */
struct snd_4dwave synth; /* synth specific variables */
spinlock_t event_lock;
spinlock_t voice_alloc;
struct snd_dma_device dma_dev;
struct pci_dev *pci;
struct snd_card *card;
struct snd_pcm *pcm; /* ADC/DAC PCM */
struct snd_pcm *foldback; /* Foldback PCM */
struct snd_pcm *spdif; /* SPDIF PCM */
struct snd_rawmidi *rmidi;
struct snd_ac97_bus *ac97_bus;
struct snd_ac97 *ac97;
struct snd_ac97 *ac97_sec;
unsigned int musicvol_wavevol;
struct snd_trident_pcm_mixer pcm_mixer[32];
struct snd_kcontrol *ctl_vol; /* front volume */
struct snd_kcontrol *ctl_pan; /* pan */
struct snd_kcontrol *ctl_rvol; /* rear volume */
struct snd_kcontrol *ctl_cvol; /* center volume */
spinlock_t reg_lock;
struct gameport *gameport;
};
int snd_trident_create(struct snd_card *card,
struct pci_dev *pci,
int pcm_streams,
int pcm_spdif_device,
int max_wavetable_size);
int snd_trident_create_gameport(struct snd_trident *trident);
int snd_trident_pcm(struct snd_trident *trident, int device);
int snd_trident_foldback_pcm(struct snd_trident *trident, int device);
int snd_trident_spdif_pcm(struct snd_trident *trident, int device);
int snd_trident_attach_synthesizer(struct snd_trident * trident);
struct snd_trident_voice *snd_trident_alloc_voice(struct snd_trident * trident, int type,
int client, int port);
void snd_trident_free_voice(struct snd_trident * trident, struct snd_trident_voice *voice);
void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice);
void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice);
void snd_trident_write_voice_regs(struct snd_trident * trident, struct snd_trident_voice *voice);
extern const struct dev_pm_ops snd_trident_pm;
/* TLB memory allocation */
struct snd_util_memblk *snd_trident_alloc_pages(struct snd_trident *trident,
struct snd_pcm_substream *substream);
int snd_trident_free_pages(struct snd_trident *trident, struct snd_util_memblk *blk);
struct snd_util_memblk *snd_trident_synth_alloc(struct snd_trident *trident, unsigned int size);
int snd_trident_synth_free(struct snd_trident *trident, struct snd_util_memblk *blk);
int snd_trident_synth_copy_from_user(struct snd_trident *trident, struct snd_util_memblk *blk,
int offset, const char __user *data, int size);
#endif /* __SOUND_TRIDENT_H */