diff options
Diffstat (limited to 'sound/pci/trident')
| -rw-r--r-- | sound/pci/trident/Makefile | 10 | ||||
| -rw-r--r-- | sound/pci/trident/trident.c | 148 | ||||
| -rw-r--r-- | sound/pci/trident/trident.h | 427 | ||||
| -rw-r--r-- | sound/pci/trident/trident_main.c | 3885 | ||||
| -rw-r--r-- | sound/pci/trident/trident_memory.c | 278 |
5 files changed, 4748 insertions, 0 deletions
diff --git a/sound/pci/trident/Makefile b/sound/pci/trident/Makefile new file mode 100644 index 000000000..e8975bc37 --- /dev/null +++ b/sound/pci/trident/Makefile @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Makefile for ALSA +# Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz> +# + +snd-trident-objs := trident.o trident_main.o trident_memory.o + +# Toplevel Module Dependency +obj-$(CONFIG_SND_TRIDENT) += snd-trident.o diff --git a/sound/pci/trident/trident.c b/sound/pci/trident/trident.c new file mode 100644 index 000000000..9922ab407 --- /dev/null +++ b/sound/pci/trident/trident.c @@ -0,0 +1,148 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Driver for Trident 4DWave DX/NX & SiS SI7018 Audio PCI soundcard + * + * Driver was originated by Trident <audio@tridentmicro.com> + * Fri Feb 19 15:55:28 MST 1999 + */ + +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/time.h> +#include <linux/module.h> +#include <sound/core.h> +#include "trident.h" +#include <sound/initval.h> + +MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, <audio@tridentmicro.com>"); +MODULE_DESCRIPTION("Trident 4D-WaveDX/NX & SiS SI7018"); +MODULE_LICENSE("GPL"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ +static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 32}; +static int wavetable_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8192}; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for Trident 4DWave PCI soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for Trident 4DWave PCI soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable Trident 4DWave PCI soundcard."); +module_param_array(pcm_channels, int, NULL, 0444); +MODULE_PARM_DESC(pcm_channels, "Number of hardware channels assigned for PCM."); +module_param_array(wavetable_size, int, NULL, 0444); +MODULE_PARM_DESC(wavetable_size, "Maximum memory size in kB for wavetable synth."); + +static const struct pci_device_id snd_trident_ids[] = { + {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX), + PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, + {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX), + 0, 0, 0}, + {PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7018), 0, 0, 0}, + { 0, } +}; + +MODULE_DEVICE_TABLE(pci, snd_trident_ids); + +static int snd_trident_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + static int dev; + struct snd_card *card; + struct snd_trident *trident; + const char *str; + int err, pcm_dev = 0; + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + dev++; + return -ENOENT; + } + + err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, + sizeof(*trident), &card); + if (err < 0) + return err; + trident = card->private_data; + + err = snd_trident_create(card, pci, + pcm_channels[dev], + ((pci->vendor << 16) | pci->device) == TRIDENT_DEVICE_ID_SI7018 ? 1 : 2, + wavetable_size[dev]); + if (err < 0) + return err; + + switch (trident->device) { + case TRIDENT_DEVICE_ID_DX: + str = "TRID4DWAVEDX"; + break; + case TRIDENT_DEVICE_ID_NX: + str = "TRID4DWAVENX"; + break; + case TRIDENT_DEVICE_ID_SI7018: + str = "SI7018"; + break; + default: + str = "Unknown"; + } + strcpy(card->driver, str); + if (trident->device == TRIDENT_DEVICE_ID_SI7018) { + strcpy(card->shortname, "SiS "); + } else { + strcpy(card->shortname, "Trident "); + } + strcat(card->shortname, str); + sprintf(card->longname, "%s PCI Audio at 0x%lx, irq %d", + card->shortname, trident->port, trident->irq); + + err = snd_trident_pcm(trident, pcm_dev++); + if (err < 0) + return err; + switch (trident->device) { + case TRIDENT_DEVICE_ID_DX: + case TRIDENT_DEVICE_ID_NX: + err = snd_trident_foldback_pcm(trident, pcm_dev++); + if (err < 0) + return err; + break; + } + if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) { + err = snd_trident_spdif_pcm(trident, pcm_dev++); + if (err < 0) + return err; + } + if (trident->device != TRIDENT_DEVICE_ID_SI7018) { + err = snd_mpu401_uart_new(card, 0, MPU401_HW_TRID4DWAVE, + trident->midi_port, + MPU401_INFO_INTEGRATED | + MPU401_INFO_IRQ_HOOK, + -1, &trident->rmidi); + if (err < 0) + return err; + } + + snd_trident_create_gameport(trident); + + err = snd_card_register(card); + if (err < 0) + return err; + pci_set_drvdata(pci, card); + dev++; + return 0; +} + +static struct pci_driver trident_driver = { + .name = KBUILD_MODNAME, + .id_table = snd_trident_ids, + .probe = snd_trident_probe, +#ifdef CONFIG_PM_SLEEP + .driver = { + .pm = &snd_trident_pm, + }, +#endif +}; + +module_pci_driver(trident_driver); diff --git a/sound/pci/trident/trident.h b/sound/pci/trident/trident.h new file mode 100644 index 000000000..9768a7fc2 --- /dev/null +++ b/sound/pci/trident/trident.h @@ -0,0 +1,427 @@ +/* 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 */ diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c new file mode 100644 index 000000000..e98eea1e6 --- /dev/null +++ b/sound/pci/trident/trident_main.c @@ -0,0 +1,3885 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Maintained by Jaroslav Kysela <perex@perex.cz> + * Originated by audio@tridentmicro.com + * Fri Feb 19 15:55:28 MST 1999 + * Routines for control of Trident 4DWave (DX and NX) chip + * + * BUGS: + * + * TODO: + * --- + * + * SiS7018 S/PDIF support by Thomas Winischhofer <thomas@winischhofer.net> + */ + +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/gameport.h> +#include <linux/dma-mapping.h> +#include <linux/export.h> +#include <linux/io.h> + +#include <sound/core.h> +#include <sound/info.h> +#include <sound/control.h> +#include <sound/tlv.h> +#include "trident.h" +#include <sound/asoundef.h> + +static int snd_trident_pcm_mixer_build(struct snd_trident *trident, + struct snd_trident_voice * voice, + struct snd_pcm_substream *substream); +static int snd_trident_pcm_mixer_free(struct snd_trident *trident, + struct snd_trident_voice * voice, + struct snd_pcm_substream *substream); +static irqreturn_t snd_trident_interrupt(int irq, void *dev_id); +static int snd_trident_sis_reset(struct snd_trident *trident); + +static void snd_trident_clear_voices(struct snd_trident * trident, + unsigned short v_min, unsigned short v_max); +static void snd_trident_free(struct snd_card *card); + +/* + * common I/O routines + */ + + +#if 0 +static void snd_trident_print_voice_regs(struct snd_trident *trident, int voice) +{ + unsigned int val, tmp; + + dev_dbg(trident->card->dev, "Trident voice %i:\n", voice); + outb(voice, TRID_REG(trident, T4D_LFO_GC_CIR)); + val = inl(TRID_REG(trident, CH_LBA)); + dev_dbg(trident->card->dev, "LBA: 0x%x\n", val); + val = inl(TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC)); + dev_dbg(trident->card->dev, "GVSel: %i\n", val >> 31); + dev_dbg(trident->card->dev, "Pan: 0x%x\n", (val >> 24) & 0x7f); + dev_dbg(trident->card->dev, "Vol: 0x%x\n", (val >> 16) & 0xff); + dev_dbg(trident->card->dev, "CTRL: 0x%x\n", (val >> 12) & 0x0f); + dev_dbg(trident->card->dev, "EC: 0x%x\n", val & 0x0fff); + if (trident->device != TRIDENT_DEVICE_ID_NX) { + val = inl(TRID_REG(trident, CH_DX_CSO_ALPHA_FMS)); + dev_dbg(trident->card->dev, "CSO: 0x%x\n", val >> 16); + dev_dbg(trident->card->dev, "Alpha: 0x%x\n", (val >> 4) & 0x0fff); + dev_dbg(trident->card->dev, "FMS: 0x%x\n", val & 0x0f); + val = inl(TRID_REG(trident, CH_DX_ESO_DELTA)); + dev_dbg(trident->card->dev, "ESO: 0x%x\n", val >> 16); + dev_dbg(trident->card->dev, "Delta: 0x%x\n", val & 0xffff); + val = inl(TRID_REG(trident, CH_DX_FMC_RVOL_CVOL)); + } else { // TRIDENT_DEVICE_ID_NX + val = inl(TRID_REG(trident, CH_NX_DELTA_CSO)); + tmp = (val >> 24) & 0xff; + dev_dbg(trident->card->dev, "CSO: 0x%x\n", val & 0x00ffffff); + val = inl(TRID_REG(trident, CH_NX_DELTA_ESO)); + tmp |= (val >> 16) & 0xff00; + dev_dbg(trident->card->dev, "Delta: 0x%x\n", tmp); + dev_dbg(trident->card->dev, "ESO: 0x%x\n", val & 0x00ffffff); + val = inl(TRID_REG(trident, CH_NX_ALPHA_FMS_FMC_RVOL_CVOL)); + dev_dbg(trident->card->dev, "Alpha: 0x%x\n", val >> 20); + dev_dbg(trident->card->dev, "FMS: 0x%x\n", (val >> 16) & 0x0f); + } + dev_dbg(trident->card->dev, "FMC: 0x%x\n", (val >> 14) & 3); + dev_dbg(trident->card->dev, "RVol: 0x%x\n", (val >> 7) & 0x7f); + dev_dbg(trident->card->dev, "CVol: 0x%x\n", val & 0x7f); +} +#endif + +/*--------------------------------------------------------------------------- + unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg) + + Description: This routine will do all of the reading from the external + CODEC (AC97). + + Parameters: ac97 - ac97 codec structure + reg - CODEC register index, from AC97 Hal. + + returns: 16 bit value read from the AC97. + + ---------------------------------------------------------------------------*/ +static unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg) +{ + unsigned int data = 0, treg; + unsigned short count = 0xffff; + unsigned long flags; + struct snd_trident *trident = ac97->private_data; + + spin_lock_irqsave(&trident->reg_lock, flags); + if (trident->device == TRIDENT_DEVICE_ID_DX) { + data = (DX_AC97_BUSY_READ | (reg & 0x000000ff)); + outl(data, TRID_REG(trident, DX_ACR1_AC97_R)); + do { + data = inl(TRID_REG(trident, DX_ACR1_AC97_R)); + if ((data & DX_AC97_BUSY_READ) == 0) + break; + } while (--count); + } else if (trident->device == TRIDENT_DEVICE_ID_NX) { + data = (NX_AC97_BUSY_READ | (reg & 0x000000ff)); + treg = ac97->num == 0 ? NX_ACR2_AC97_R_PRIMARY : NX_ACR3_AC97_R_SECONDARY; + outl(data, TRID_REG(trident, treg)); + do { + data = inl(TRID_REG(trident, treg)); + if ((data & 0x00000C00) == 0) + break; + } while (--count); + } else if (trident->device == TRIDENT_DEVICE_ID_SI7018) { + data = SI_AC97_BUSY_READ | SI_AC97_AUDIO_BUSY | (reg & 0x000000ff); + if (ac97->num == 1) + data |= SI_AC97_SECONDARY; + outl(data, TRID_REG(trident, SI_AC97_READ)); + do { + data = inl(TRID_REG(trident, SI_AC97_READ)); + if ((data & (SI_AC97_BUSY_READ)) == 0) + break; + } while (--count); + } + + if (count == 0 && !trident->ac97_detect) { + dev_err(trident->card->dev, + "ac97 codec read TIMEOUT [0x%x/0x%x]!!!\n", + reg, data); + data = 0; + } + + spin_unlock_irqrestore(&trident->reg_lock, flags); + return ((unsigned short) (data >> 16)); +} + +/*--------------------------------------------------------------------------- + void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg, + unsigned short wdata) + + Description: This routine will do all of the writing to the external + CODEC (AC97). + + Parameters: ac97 - ac97 codec structure + reg - CODEC register index, from AC97 Hal. + data - Lower 16 bits are the data to write to CODEC. + + returns: TRUE if everything went ok, else FALSE. + + ---------------------------------------------------------------------------*/ +static void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg, + unsigned short wdata) +{ + unsigned int address, data; + unsigned short count = 0xffff; + unsigned long flags; + struct snd_trident *trident = ac97->private_data; + + data = ((unsigned long) wdata) << 16; + + spin_lock_irqsave(&trident->reg_lock, flags); + if (trident->device == TRIDENT_DEVICE_ID_DX) { + address = DX_ACR0_AC97_W; + + /* read AC-97 write register status */ + do { + if ((inw(TRID_REG(trident, address)) & DX_AC97_BUSY_WRITE) == 0) + break; + } while (--count); + + data |= (DX_AC97_BUSY_WRITE | (reg & 0x000000ff)); + } else if (trident->device == TRIDENT_DEVICE_ID_NX) { + address = NX_ACR1_AC97_W; + + /* read AC-97 write register status */ + do { + if ((inw(TRID_REG(trident, address)) & NX_AC97_BUSY_WRITE) == 0) + break; + } while (--count); + + data |= (NX_AC97_BUSY_WRITE | (ac97->num << 8) | (reg & 0x000000ff)); + } else if (trident->device == TRIDENT_DEVICE_ID_SI7018) { + address = SI_AC97_WRITE; + + /* read AC-97 write register status */ + do { + if ((inw(TRID_REG(trident, address)) & (SI_AC97_BUSY_WRITE)) == 0) + break; + } while (--count); + + data |= SI_AC97_BUSY_WRITE | SI_AC97_AUDIO_BUSY | (reg & 0x000000ff); + if (ac97->num == 1) + data |= SI_AC97_SECONDARY; + } else { + address = 0; /* keep GCC happy */ + count = 0; /* return */ + } + + if (count == 0) { + spin_unlock_irqrestore(&trident->reg_lock, flags); + return; + } + outl(data, TRID_REG(trident, address)); + spin_unlock_irqrestore(&trident->reg_lock, flags); +} + +/*--------------------------------------------------------------------------- + void snd_trident_enable_eso(struct snd_trident *trident) + + Description: This routine will enable end of loop interrupts. + End of loop interrupts will occur when a running + channel reaches ESO. + Also enables middle of loop interrupts. + + Parameters: trident - pointer to target device class for 4DWave. + + ---------------------------------------------------------------------------*/ + +static void snd_trident_enable_eso(struct snd_trident * trident) +{ + unsigned int val; + + val = inl(TRID_REG(trident, T4D_LFO_GC_CIR)); + val |= ENDLP_IE; + val |= MIDLP_IE; + if (trident->device == TRIDENT_DEVICE_ID_SI7018) + val |= BANK_B_EN; + outl(val, TRID_REG(trident, T4D_LFO_GC_CIR)); +} + +/*--------------------------------------------------------------------------- + void snd_trident_disable_eso(struct snd_trident *trident) + + Description: This routine will disable end of loop interrupts. + End of loop interrupts will occur when a running + channel reaches ESO. + Also disables middle of loop interrupts. + + Parameters: + trident - pointer to target device class for 4DWave. + + returns: TRUE if everything went ok, else FALSE. + + ---------------------------------------------------------------------------*/ + +static void snd_trident_disable_eso(struct snd_trident * trident) +{ + unsigned int tmp; + + tmp = inl(TRID_REG(trident, T4D_LFO_GC_CIR)); + tmp &= ~ENDLP_IE; + tmp &= ~MIDLP_IE; + outl(tmp, TRID_REG(trident, T4D_LFO_GC_CIR)); +} + +/*--------------------------------------------------------------------------- + void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice) + + Description: Start a voice, any channel 0 thru 63. + This routine automatically handles the fact that there are + more than 32 channels available. + + Parameters : voice - Voice number 0 thru n. + trident - pointer to target device class for 4DWave. + + Return Value: None. + + ---------------------------------------------------------------------------*/ + +void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice) +{ + unsigned int mask = 1 << (voice & 0x1f); + unsigned int reg = (voice & 0x20) ? T4D_START_B : T4D_START_A; + + outl(mask, TRID_REG(trident, reg)); +} + +EXPORT_SYMBOL(snd_trident_start_voice); + +/*--------------------------------------------------------------------------- + void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice) + + Description: Stop a voice, any channel 0 thru 63. + This routine automatically handles the fact that there are + more than 32 channels available. + + Parameters : voice - Voice number 0 thru n. + trident - pointer to target device class for 4DWave. + + Return Value: None. + + ---------------------------------------------------------------------------*/ + +void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice) +{ + unsigned int mask = 1 << (voice & 0x1f); + unsigned int reg = (voice & 0x20) ? T4D_STOP_B : T4D_STOP_A; + + outl(mask, TRID_REG(trident, reg)); +} + +EXPORT_SYMBOL(snd_trident_stop_voice); + +/*--------------------------------------------------------------------------- + int snd_trident_allocate_pcm_channel(struct snd_trident *trident) + + Description: Allocate hardware channel in Bank B (32-63). + + Parameters : trident - pointer to target device class for 4DWave. + + Return Value: hardware channel - 32-63 or -1 when no channel is available + + ---------------------------------------------------------------------------*/ + +static int snd_trident_allocate_pcm_channel(struct snd_trident * trident) +{ + int idx; + + if (trident->ChanPCMcnt >= trident->ChanPCM) + return -1; + for (idx = 31; idx >= 0; idx--) { + if (!(trident->ChanMap[T4D_BANK_B] & (1 << idx))) { + trident->ChanMap[T4D_BANK_B] |= 1 << idx; + trident->ChanPCMcnt++; + return idx + 32; + } + } + return -1; +} + +/*--------------------------------------------------------------------------- + void snd_trident_free_pcm_channel(int channel) + + Description: Free hardware channel in Bank B (32-63) + + Parameters : trident - pointer to target device class for 4DWave. + channel - hardware channel number 0-63 + + Return Value: none + + ---------------------------------------------------------------------------*/ + +static void snd_trident_free_pcm_channel(struct snd_trident *trident, int channel) +{ + if (channel < 32 || channel > 63) + return; + channel &= 0x1f; + if (trident->ChanMap[T4D_BANK_B] & (1 << channel)) { + trident->ChanMap[T4D_BANK_B] &= ~(1 << channel); + trident->ChanPCMcnt--; + } +} + +/*--------------------------------------------------------------------------- + unsigned int snd_trident_allocate_synth_channel(void) + + Description: Allocate hardware channel in Bank A (0-31). + + Parameters : trident - pointer to target device class for 4DWave. + + Return Value: hardware channel - 0-31 or -1 when no channel is available + + ---------------------------------------------------------------------------*/ + +static int snd_trident_allocate_synth_channel(struct snd_trident * trident) +{ + int idx; + + for (idx = 31; idx >= 0; idx--) { + if (!(trident->ChanMap[T4D_BANK_A] & (1 << idx))) { + trident->ChanMap[T4D_BANK_A] |= 1 << idx; + trident->synth.ChanSynthCount++; + return idx; + } + } + return -1; +} + +/*--------------------------------------------------------------------------- + void snd_trident_free_synth_channel( int channel ) + + Description: Free hardware channel in Bank B (0-31). + + Parameters : trident - pointer to target device class for 4DWave. + channel - hardware channel number 0-63 + + Return Value: none + + ---------------------------------------------------------------------------*/ + +static void snd_trident_free_synth_channel(struct snd_trident *trident, int channel) +{ + if (channel < 0 || channel > 31) + return; + channel &= 0x1f; + if (trident->ChanMap[T4D_BANK_A] & (1 << channel)) { + trident->ChanMap[T4D_BANK_A] &= ~(1 << channel); + trident->synth.ChanSynthCount--; + } +} + +/*--------------------------------------------------------------------------- + snd_trident_write_voice_regs + + Description: This routine will complete and write the 5 hardware channel + registers to hardware. + + Parameters: trident - pointer to target device class for 4DWave. + voice - synthesizer voice structure + Each register field. + + ---------------------------------------------------------------------------*/ + +void snd_trident_write_voice_regs(struct snd_trident * trident, + struct snd_trident_voice * voice) +{ + unsigned int FmcRvolCvol; + unsigned int regs[5]; + + regs[1] = voice->LBA; + regs[4] = (voice->GVSel << 31) | + ((voice->Pan & 0x0000007f) << 24) | + ((voice->CTRL & 0x0000000f) << 12); + FmcRvolCvol = ((voice->FMC & 3) << 14) | + ((voice->RVol & 0x7f) << 7) | + (voice->CVol & 0x7f); + + switch (trident->device) { + case TRIDENT_DEVICE_ID_SI7018: + regs[4] |= voice->number > 31 ? + (voice->Vol & 0x000003ff) : + ((voice->Vol & 0x00003fc) << (16-2)) | + (voice->EC & 0x00000fff); + regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) | + (voice->FMS & 0x0000000f); + regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff); + regs[3] = (voice->Attribute << 16) | FmcRvolCvol; + break; + case TRIDENT_DEVICE_ID_DX: + regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) | + (voice->EC & 0x00000fff); + regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) | + (voice->FMS & 0x0000000f); + regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff); + regs[3] = FmcRvolCvol; + break; + case TRIDENT_DEVICE_ID_NX: + regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) | + (voice->EC & 0x00000fff); + regs[0] = (voice->Delta << 24) | (voice->CSO & 0x00ffffff); + regs[2] = ((voice->Delta << 16) & 0xff000000) | + (voice->ESO & 0x00ffffff); + regs[3] = (voice->Alpha << 20) | + ((voice->FMS & 0x0000000f) << 16) | FmcRvolCvol; + break; + default: + snd_BUG(); + return; + } + + outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); + outl(regs[0], TRID_REG(trident, CH_START + 0)); + outl(regs[1], TRID_REG(trident, CH_START + 4)); + outl(regs[2], TRID_REG(trident, CH_START + 8)); + outl(regs[3], TRID_REG(trident, CH_START + 12)); + outl(regs[4], TRID_REG(trident, CH_START + 16)); + +#if 0 + dev_dbg(trident->card->dev, "written %i channel:\n", voice->number); + dev_dbg(trident->card->dev, " regs[0] = 0x%x/0x%x\n", + regs[0], inl(TRID_REG(trident, CH_START + 0))); + dev_dbg(trident->card->dev, " regs[1] = 0x%x/0x%x\n", + regs[1], inl(TRID_REG(trident, CH_START + 4))); + dev_dbg(trident->card->dev, " regs[2] = 0x%x/0x%x\n", + regs[2], inl(TRID_REG(trident, CH_START + 8))); + dev_dbg(trident->card->dev, " regs[3] = 0x%x/0x%x\n", + regs[3], inl(TRID_REG(trident, CH_START + 12))); + dev_dbg(trident->card->dev, " regs[4] = 0x%x/0x%x\n", + regs[4], inl(TRID_REG(trident, CH_START + 16))); +#endif +} + +EXPORT_SYMBOL(snd_trident_write_voice_regs); + +/*--------------------------------------------------------------------------- + snd_trident_write_cso_reg + + Description: This routine will write the new CSO offset + register to hardware. + + Parameters: trident - pointer to target device class for 4DWave. + voice - synthesizer voice structure + CSO - new CSO value + + ---------------------------------------------------------------------------*/ + +static void snd_trident_write_cso_reg(struct snd_trident * trident, + struct snd_trident_voice * voice, + unsigned int CSO) +{ + voice->CSO = CSO; + outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); + if (trident->device != TRIDENT_DEVICE_ID_NX) { + outw(voice->CSO, TRID_REG(trident, CH_DX_CSO_ALPHA_FMS) + 2); + } else { + outl((voice->Delta << 24) | + (voice->CSO & 0x00ffffff), TRID_REG(trident, CH_NX_DELTA_CSO)); + } +} + +/*--------------------------------------------------------------------------- + snd_trident_write_eso_reg + + Description: This routine will write the new ESO offset + register to hardware. + + Parameters: trident - pointer to target device class for 4DWave. + voice - synthesizer voice structure + ESO - new ESO value + + ---------------------------------------------------------------------------*/ + +static void snd_trident_write_eso_reg(struct snd_trident * trident, + struct snd_trident_voice * voice, + unsigned int ESO) +{ + voice->ESO = ESO; + outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); + if (trident->device != TRIDENT_DEVICE_ID_NX) { + outw(voice->ESO, TRID_REG(trident, CH_DX_ESO_DELTA) + 2); + } else { + outl(((voice->Delta << 16) & 0xff000000) | (voice->ESO & 0x00ffffff), + TRID_REG(trident, CH_NX_DELTA_ESO)); + } +} + +/*--------------------------------------------------------------------------- + snd_trident_write_vol_reg + + Description: This routine will write the new voice volume + register to hardware. + + Parameters: trident - pointer to target device class for 4DWave. + voice - synthesizer voice structure + Vol - new voice volume + + ---------------------------------------------------------------------------*/ + +static void snd_trident_write_vol_reg(struct snd_trident * trident, + struct snd_trident_voice * voice, + unsigned int Vol) +{ + voice->Vol = Vol; + outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); + switch (trident->device) { + case TRIDENT_DEVICE_ID_DX: + case TRIDENT_DEVICE_ID_NX: + outb(voice->Vol >> 2, TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 2)); + break; + case TRIDENT_DEVICE_ID_SI7018: + /* dev_dbg(trident->card->dev, "voice->Vol = 0x%x\n", voice->Vol); */ + outw((voice->CTRL << 12) | voice->Vol, + TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC)); + break; + } +} + +/*--------------------------------------------------------------------------- + snd_trident_write_pan_reg + + Description: This routine will write the new voice pan + register to hardware. + + Parameters: trident - pointer to target device class for 4DWave. + voice - synthesizer voice structure + Pan - new pan value + + ---------------------------------------------------------------------------*/ + +static void snd_trident_write_pan_reg(struct snd_trident * trident, + struct snd_trident_voice * voice, + unsigned int Pan) +{ + voice->Pan = Pan; + outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); + outb(((voice->GVSel & 0x01) << 7) | (voice->Pan & 0x7f), + TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 3)); +} + +/*--------------------------------------------------------------------------- + snd_trident_write_rvol_reg + + Description: This routine will write the new reverb volume + register to hardware. + + Parameters: trident - pointer to target device class for 4DWave. + voice - synthesizer voice structure + RVol - new reverb volume + + ---------------------------------------------------------------------------*/ + +static void snd_trident_write_rvol_reg(struct snd_trident * trident, + struct snd_trident_voice * voice, + unsigned int RVol) +{ + voice->RVol = RVol; + outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); + outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) | + (voice->CVol & 0x007f), + TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ? + CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL)); +} + +/*--------------------------------------------------------------------------- + snd_trident_write_cvol_reg + + Description: This routine will write the new chorus volume + register to hardware. + + Parameters: trident - pointer to target device class for 4DWave. + voice - synthesizer voice structure + CVol - new chorus volume + + ---------------------------------------------------------------------------*/ + +static void snd_trident_write_cvol_reg(struct snd_trident * trident, + struct snd_trident_voice * voice, + unsigned int CVol) +{ + voice->CVol = CVol; + outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); + outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) | + (voice->CVol & 0x007f), + TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ? + CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL)); +} + +/*--------------------------------------------------------------------------- + snd_trident_convert_rate + + Description: This routine converts rate in HZ to hardware delta value. + + Parameters: trident - pointer to target device class for 4DWave. + rate - Real or Virtual channel number. + + Returns: Delta value. + + ---------------------------------------------------------------------------*/ +static unsigned int snd_trident_convert_rate(unsigned int rate) +{ + unsigned 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 = DIV_ROUND_CLOSEST(rate << 12, 48000) & 0x0000ffff; + return delta; +} + +/*--------------------------------------------------------------------------- + snd_trident_convert_adc_rate + + Description: This routine converts rate in HZ to hardware delta value. + + Parameters: trident - pointer to target device class for 4DWave. + rate - Real or Virtual channel number. + + Returns: Delta value. + + ---------------------------------------------------------------------------*/ +static unsigned int snd_trident_convert_adc_rate(unsigned int rate) +{ + unsigned 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 = 0x116a; + else if (rate == 8000) + delta = 0x6000; + else if (rate == 48000) + delta = 0x1000; + else + delta = ((48000 << 12) / rate) & 0x0000ffff; + return delta; +} + +/*--------------------------------------------------------------------------- + snd_trident_spurious_threshold + + Description: This routine converts rate in HZ to spurious threshold. + + Parameters: trident - pointer to target device class for 4DWave. + rate - Real or Virtual channel number. + + Returns: Delta value. + + ---------------------------------------------------------------------------*/ +static unsigned int snd_trident_spurious_threshold(unsigned int rate, + unsigned int period_size) +{ + unsigned int res = (rate * period_size) / 48000; + if (res < 64) + res = res / 2; + else + res -= 32; + return res; +} + +/*--------------------------------------------------------------------------- + snd_trident_control_mode + + Description: This routine returns a control mode for a PCM channel. + + Parameters: trident - pointer to target device class for 4DWave. + substream - PCM substream + + Returns: Control value. + + ---------------------------------------------------------------------------*/ +static unsigned int snd_trident_control_mode(struct snd_pcm_substream *substream) +{ + unsigned int CTRL; + struct snd_pcm_runtime *runtime = substream->runtime; + + /* set ctrl mode + CTRL default: 8-bit (unsigned) mono, loop mode enabled + */ + CTRL = 0x00000001; + if (snd_pcm_format_width(runtime->format) == 16) + CTRL |= 0x00000008; // 16-bit data + if (snd_pcm_format_signed(runtime->format)) + CTRL |= 0x00000002; // signed data + if (runtime->channels > 1) + CTRL |= 0x00000004; // stereo data + return CTRL; +} + +/* + * PCM part + */ + +/*--------------------------------------------------------------------------- + snd_trident_allocate_pcm_mem + + Description: Allocate PCM ring buffer for given substream + + Parameters: substream - PCM substream class + hw_params - hardware parameters + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_allocate_pcm_mem(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + + if (trident->tlb.entries) { + if (runtime->buffer_changed) { + if (voice->memblk) + snd_trident_free_pages(trident, voice->memblk); + voice->memblk = snd_trident_alloc_pages(trident, substream); + if (voice->memblk == NULL) + return -ENOMEM; + } + } + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_allocate_evoice + + Description: Allocate extra voice as interrupt generator + + Parameters: substream - PCM substream class + hw_params - hardware parameters + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_allocate_evoice(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + struct snd_trident_voice *evoice = voice->extra; + + /* voice management */ + + if (params_buffer_size(hw_params) / 2 != params_period_size(hw_params)) { + if (evoice == NULL) { + evoice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); + if (evoice == NULL) + return -ENOMEM; + voice->extra = evoice; + evoice->substream = substream; + } + } else { + if (evoice != NULL) { + snd_trident_free_voice(trident, evoice); + voice->extra = evoice = NULL; + } + } + + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_hw_params + + Description: Set the hardware parameters for the playback device. + + Parameters: substream - PCM substream class + hw_params - hardware parameters + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + int err; + + err = snd_trident_allocate_pcm_mem(substream, hw_params); + if (err >= 0) + err = snd_trident_allocate_evoice(substream, hw_params); + return err; +} + +/*--------------------------------------------------------------------------- + snd_trident_playback_hw_free + + Description: Release the hardware resources for the playback device. + + Parameters: substream - PCM substream class + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + struct snd_trident_voice *evoice = voice ? voice->extra : NULL; + + if (trident->tlb.entries) { + if (voice && voice->memblk) { + snd_trident_free_pages(trident, voice->memblk); + voice->memblk = NULL; + } + } + if (evoice != NULL) { + snd_trident_free_voice(trident, evoice); + voice->extra = NULL; + } + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_playback_prepare + + Description: Prepare playback device for playback. + + Parameters: substream - PCM substream class + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_playback_prepare(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + struct snd_trident_voice *evoice = voice->extra; + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number]; + + spin_lock_irq(&trident->reg_lock); + + /* set delta (rate) value */ + voice->Delta = snd_trident_convert_rate(runtime->rate); + voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size); + + /* set Loop Begin Address */ + if (voice->memblk) + voice->LBA = voice->memblk->offset; + else + voice->LBA = runtime->dma_addr; + + voice->CSO = 0; + voice->ESO = runtime->buffer_size - 1; /* in samples */ + voice->CTRL = snd_trident_control_mode(substream); + voice->FMC = 3; + voice->GVSel = 1; + voice->EC = 0; + voice->Alpha = 0; + voice->FMS = 0; + voice->Vol = mix->vol; + voice->RVol = mix->rvol; + voice->CVol = mix->cvol; + voice->Pan = mix->pan; + voice->Attribute = 0; +#if 0 + voice->Attribute = (1<<(30-16))|(2<<(26-16))| + (0<<(24-16))|(0x1f<<(19-16)); +#else + voice->Attribute = 0; +#endif + + snd_trident_write_voice_regs(trident, voice); + + if (evoice != NULL) { + evoice->Delta = voice->Delta; + evoice->spurious_threshold = voice->spurious_threshold; + evoice->LBA = voice->LBA; + evoice->CSO = 0; + evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */ + evoice->CTRL = voice->CTRL; + evoice->FMC = 3; + evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1; + evoice->EC = 0; + evoice->Alpha = 0; + evoice->FMS = 0; + evoice->Vol = 0x3ff; /* mute */ + evoice->RVol = evoice->CVol = 0x7f; /* mute */ + evoice->Pan = 0x7f; /* mute */ +#if 0 + evoice->Attribute = (1<<(30-16))|(2<<(26-16))| + (0<<(24-16))|(0x1f<<(19-16)); +#else + evoice->Attribute = 0; +#endif + snd_trident_write_voice_regs(trident, evoice); + evoice->isync2 = 1; + evoice->isync_mark = runtime->period_size; + evoice->ESO = (runtime->period_size * 2) - 1; + } + + spin_unlock_irq(&trident->reg_lock); + + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_capture_hw_params + + Description: Set the hardware parameters for the capture device. + + Parameters: substream - PCM substream class + hw_params - hardware parameters + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_capture_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + return snd_trident_allocate_pcm_mem(substream, hw_params); +} + +/*--------------------------------------------------------------------------- + snd_trident_capture_prepare + + Description: Prepare capture device for playback. + + Parameters: substream - PCM substream class + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_capture_prepare(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + unsigned int val, ESO_bytes; + + spin_lock_irq(&trident->reg_lock); + + // Initialize the channel and set channel Mode + outb(0, TRID_REG(trident, LEGACY_DMAR15)); + + // Set DMA channel operation mode register + outb(0x54, TRID_REG(trident, LEGACY_DMAR11)); + + // Set channel buffer Address, DMAR0 expects contiguous PCI memory area + voice->LBA = runtime->dma_addr; + outl(voice->LBA, TRID_REG(trident, LEGACY_DMAR0)); + if (voice->memblk) + voice->LBA = voice->memblk->offset; + + // set ESO + ESO_bytes = snd_pcm_lib_buffer_bytes(substream) - 1; + outb((ESO_bytes & 0x00ff0000) >> 16, TRID_REG(trident, LEGACY_DMAR6)); + outw((ESO_bytes & 0x0000ffff), TRID_REG(trident, LEGACY_DMAR4)); + ESO_bytes++; + + // Set channel sample rate, 4.12 format + val = DIV_ROUND_CLOSEST(48000U << 12, runtime->rate); + outw(val, TRID_REG(trident, T4D_SBDELTA_DELTA_R)); + + // Set channel interrupt blk length + if (snd_pcm_format_width(runtime->format) == 16) { + val = (unsigned short) ((ESO_bytes >> 1) - 1); + } else { + val = (unsigned short) (ESO_bytes - 1); + } + + outl((val << 16) | val, TRID_REG(trident, T4D_SBBL_SBCL)); + + // Right now, set format and start to run captureing, + // continuous run loop enable. + trident->bDMAStart = 0x19; // 0001 1001b + + if (snd_pcm_format_width(runtime->format) == 16) + trident->bDMAStart |= 0x80; + if (snd_pcm_format_signed(runtime->format)) + trident->bDMAStart |= 0x20; + if (runtime->channels > 1) + trident->bDMAStart |= 0x40; + + // Prepare capture intr channel + + voice->Delta = snd_trident_convert_rate(runtime->rate); + voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size); + voice->isync = 1; + voice->isync_mark = runtime->period_size; + voice->isync_max = runtime->buffer_size; + + // Set voice parameters + voice->CSO = 0; + voice->ESO = voice->isync_ESO = (runtime->period_size * 2) + 6 - 1; + voice->CTRL = snd_trident_control_mode(substream); + voice->FMC = 3; + voice->RVol = 0x7f; + voice->CVol = 0x7f; + voice->GVSel = 1; + voice->Pan = 0x7f; /* mute */ + voice->Vol = 0x3ff; /* mute */ + voice->EC = 0; + voice->Alpha = 0; + voice->FMS = 0; + voice->Attribute = 0; + + snd_trident_write_voice_regs(trident, voice); + + spin_unlock_irq(&trident->reg_lock); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_si7018_capture_hw_params + + Description: Set the hardware parameters for the capture device. + + Parameters: substream - PCM substream class + hw_params - hardware parameters + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_si7018_capture_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + return snd_trident_allocate_evoice(substream, hw_params); +} + +/*--------------------------------------------------------------------------- + snd_trident_si7018_capture_hw_free + + Description: Release the hardware resources for the capture device. + + Parameters: substream - PCM substream class + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_si7018_capture_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + struct snd_trident_voice *evoice = voice ? voice->extra : NULL; + + if (evoice != NULL) { + snd_trident_free_voice(trident, evoice); + voice->extra = NULL; + } + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_si7018_capture_prepare + + Description: Prepare capture device for playback. + + Parameters: substream - PCM substream class + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_si7018_capture_prepare(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + struct snd_trident_voice *evoice = voice->extra; + + spin_lock_irq(&trident->reg_lock); + + voice->LBA = runtime->dma_addr; + voice->Delta = snd_trident_convert_adc_rate(runtime->rate); + voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size); + + // Set voice parameters + voice->CSO = 0; + voice->ESO = runtime->buffer_size - 1; /* in samples */ + voice->CTRL = snd_trident_control_mode(substream); + voice->FMC = 0; + voice->RVol = 0; + voice->CVol = 0; + voice->GVSel = 1; + voice->Pan = T4D_DEFAULT_PCM_PAN; + voice->Vol = 0; + voice->EC = 0; + voice->Alpha = 0; + voice->FMS = 0; + + voice->Attribute = (2 << (30-16)) | + (2 << (26-16)) | + (2 << (24-16)) | + (1 << (23-16)); + + snd_trident_write_voice_regs(trident, voice); + + if (evoice != NULL) { + evoice->Delta = snd_trident_convert_rate(runtime->rate); + evoice->spurious_threshold = voice->spurious_threshold; + evoice->LBA = voice->LBA; + evoice->CSO = 0; + evoice->ESO = (runtime->period_size * 2) + 20 - 1; /* in samples, 20 means correction */ + evoice->CTRL = voice->CTRL; + evoice->FMC = 3; + evoice->GVSel = 0; + evoice->EC = 0; + evoice->Alpha = 0; + evoice->FMS = 0; + evoice->Vol = 0x3ff; /* mute */ + evoice->RVol = evoice->CVol = 0x7f; /* mute */ + evoice->Pan = 0x7f; /* mute */ + evoice->Attribute = 0; + snd_trident_write_voice_regs(trident, evoice); + evoice->isync2 = 1; + evoice->isync_mark = runtime->period_size; + evoice->ESO = (runtime->period_size * 2) - 1; + } + + spin_unlock_irq(&trident->reg_lock); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_foldback_prepare + + Description: Prepare foldback capture device for playback. + + Parameters: substream - PCM substream class + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_foldback_prepare(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + struct snd_trident_voice *evoice = voice->extra; + + spin_lock_irq(&trident->reg_lock); + + /* Set channel buffer Address */ + if (voice->memblk) + voice->LBA = voice->memblk->offset; + else + voice->LBA = runtime->dma_addr; + + /* set target ESO for channel */ + voice->ESO = runtime->buffer_size - 1; /* in samples */ + + /* set sample rate */ + voice->Delta = 0x1000; + voice->spurious_threshold = snd_trident_spurious_threshold(48000, runtime->period_size); + + voice->CSO = 0; + voice->CTRL = snd_trident_control_mode(substream); + voice->FMC = 3; + voice->RVol = 0x7f; + voice->CVol = 0x7f; + voice->GVSel = 1; + voice->Pan = 0x7f; /* mute */ + voice->Vol = 0x3ff; /* mute */ + voice->EC = 0; + voice->Alpha = 0; + voice->FMS = 0; + voice->Attribute = 0; + + /* set up capture channel */ + outb(((voice->number & 0x3f) | 0x80), TRID_REG(trident, T4D_RCI + voice->foldback_chan)); + + snd_trident_write_voice_regs(trident, voice); + + if (evoice != NULL) { + evoice->Delta = voice->Delta; + evoice->spurious_threshold = voice->spurious_threshold; + evoice->LBA = voice->LBA; + evoice->CSO = 0; + evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */ + evoice->CTRL = voice->CTRL; + evoice->FMC = 3; + evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1; + evoice->EC = 0; + evoice->Alpha = 0; + evoice->FMS = 0; + evoice->Vol = 0x3ff; /* mute */ + evoice->RVol = evoice->CVol = 0x7f; /* mute */ + evoice->Pan = 0x7f; /* mute */ + evoice->Attribute = 0; + snd_trident_write_voice_regs(trident, evoice); + evoice->isync2 = 1; + evoice->isync_mark = runtime->period_size; + evoice->ESO = (runtime->period_size * 2) - 1; + } + + spin_unlock_irq(&trident->reg_lock); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_spdif_hw_params + + Description: Set the hardware parameters for the spdif device. + + Parameters: substream - PCM substream class + hw_params - hardware parameters + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_spdif_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + unsigned int old_bits = 0, change = 0; + int err; + + err = snd_trident_allocate_pcm_mem(substream, hw_params); + if (err < 0) + return err; + + if (trident->device == TRIDENT_DEVICE_ID_SI7018) { + err = snd_trident_allocate_evoice(substream, hw_params); + if (err < 0) + return err; + } + + /* prepare SPDIF channel */ + spin_lock_irq(&trident->reg_lock); + old_bits = trident->spdif_pcm_bits; + if (old_bits & IEC958_AES0_PROFESSIONAL) + trident->spdif_pcm_bits &= ~IEC958_AES0_PRO_FS; + else + trident->spdif_pcm_bits &= ~(IEC958_AES3_CON_FS << 24); + if (params_rate(hw_params) >= 48000) { + trident->spdif_pcm_ctrl = 0x3c; // 48000 Hz + trident->spdif_pcm_bits |= + trident->spdif_bits & IEC958_AES0_PROFESSIONAL ? + IEC958_AES0_PRO_FS_48000 : + (IEC958_AES3_CON_FS_48000 << 24); + } + else if (params_rate(hw_params) >= 44100) { + trident->spdif_pcm_ctrl = 0x3e; // 44100 Hz + trident->spdif_pcm_bits |= + trident->spdif_bits & IEC958_AES0_PROFESSIONAL ? + IEC958_AES0_PRO_FS_44100 : + (IEC958_AES3_CON_FS_44100 << 24); + } + else { + trident->spdif_pcm_ctrl = 0x3d; // 32000 Hz + trident->spdif_pcm_bits |= + trident->spdif_bits & IEC958_AES0_PROFESSIONAL ? + IEC958_AES0_PRO_FS_32000 : + (IEC958_AES3_CON_FS_32000 << 24); + } + change = old_bits != trident->spdif_pcm_bits; + spin_unlock_irq(&trident->reg_lock); + + if (change) + snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE, &trident->spdif_pcm_ctl->id); + + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_spdif_prepare + + Description: Prepare SPDIF device for playback. + + Parameters: substream - PCM substream class + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_spdif_prepare(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + struct snd_trident_voice *evoice = voice->extra; + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number]; + unsigned int RESO, LBAO; + unsigned int temp; + + spin_lock_irq(&trident->reg_lock); + + if (trident->device != TRIDENT_DEVICE_ID_SI7018) { + + /* set delta (rate) value */ + voice->Delta = snd_trident_convert_rate(runtime->rate); + voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size); + + /* set Loop Back Address */ + LBAO = runtime->dma_addr; + if (voice->memblk) + voice->LBA = voice->memblk->offset; + else + voice->LBA = LBAO; + + voice->isync = 1; + voice->isync3 = 1; + voice->isync_mark = runtime->period_size; + voice->isync_max = runtime->buffer_size; + + /* set target ESO for channel */ + RESO = runtime->buffer_size - 1; + voice->ESO = voice->isync_ESO = (runtime->period_size * 2) + 6 - 1; + + /* set ctrl mode */ + voice->CTRL = snd_trident_control_mode(substream); + + voice->FMC = 3; + voice->RVol = 0x7f; + voice->CVol = 0x7f; + voice->GVSel = 1; + voice->Pan = 0x7f; + voice->Vol = 0x3ff; + voice->EC = 0; + voice->CSO = 0; + voice->Alpha = 0; + voice->FMS = 0; + voice->Attribute = 0; + + /* prepare surrogate IRQ channel */ + snd_trident_write_voice_regs(trident, voice); + + outw((RESO & 0xffff), TRID_REG(trident, NX_SPESO)); + outb((RESO >> 16), TRID_REG(trident, NX_SPESO + 2)); + outl((LBAO & 0xfffffffc), TRID_REG(trident, NX_SPLBA)); + outw((voice->CSO & 0xffff), TRID_REG(trident, NX_SPCTRL_SPCSO)); + outb((voice->CSO >> 16), TRID_REG(trident, NX_SPCTRL_SPCSO + 2)); + + /* set SPDIF setting */ + outb(trident->spdif_pcm_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); + outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS)); + + } else { /* SiS */ + + /* set delta (rate) value */ + voice->Delta = 0x800; + voice->spurious_threshold = snd_trident_spurious_threshold(48000, runtime->period_size); + + /* set Loop Begin Address */ + if (voice->memblk) + voice->LBA = voice->memblk->offset; + else + voice->LBA = runtime->dma_addr; + + voice->CSO = 0; + voice->ESO = runtime->buffer_size - 1; /* in samples */ + voice->CTRL = snd_trident_control_mode(substream); + voice->FMC = 3; + voice->GVSel = 1; + voice->EC = 0; + voice->Alpha = 0; + voice->FMS = 0; + voice->Vol = mix->vol; + voice->RVol = mix->rvol; + voice->CVol = mix->cvol; + voice->Pan = mix->pan; + voice->Attribute = (1<<(30-16))|(7<<(26-16))| + (0<<(24-16))|(0<<(19-16)); + + snd_trident_write_voice_regs(trident, voice); + + if (evoice != NULL) { + evoice->Delta = voice->Delta; + evoice->spurious_threshold = voice->spurious_threshold; + evoice->LBA = voice->LBA; + evoice->CSO = 0; + evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */ + evoice->CTRL = voice->CTRL; + evoice->FMC = 3; + evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1; + evoice->EC = 0; + evoice->Alpha = 0; + evoice->FMS = 0; + evoice->Vol = 0x3ff; /* mute */ + evoice->RVol = evoice->CVol = 0x7f; /* mute */ + evoice->Pan = 0x7f; /* mute */ + evoice->Attribute = 0; + snd_trident_write_voice_regs(trident, evoice); + evoice->isync2 = 1; + evoice->isync_mark = runtime->period_size; + evoice->ESO = (runtime->period_size * 2) - 1; + } + + outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS)); + temp = inl(TRID_REG(trident, T4D_LFO_GC_CIR)); + temp &= ~(1<<19); + outl(temp, TRID_REG(trident, T4D_LFO_GC_CIR)); + temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)); + temp |= SPDIF_EN; + outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); + } + + spin_unlock_irq(&trident->reg_lock); + + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_trigger + + Description: Start/stop devices + + Parameters: substream - PCM substream class + cmd - trigger command (STOP, GO) + + Returns: Error status + + ---------------------------------------------------------------------------*/ + +static int snd_trident_trigger(struct snd_pcm_substream *substream, + int cmd) + +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_substream *s; + unsigned int what, whati, capture_flag, spdif_flag; + struct snd_trident_voice *voice, *evoice; + unsigned int val, go; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: + go = 1; + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: + go = 0; + break; + default: + return -EINVAL; + } + what = whati = capture_flag = spdif_flag = 0; + spin_lock(&trident->reg_lock); + val = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff; + snd_pcm_group_for_each_entry(s, substream) { + if ((struct snd_trident *) snd_pcm_substream_chip(s) == trident) { + voice = s->runtime->private_data; + evoice = voice->extra; + what |= 1 << (voice->number & 0x1f); + if (evoice == NULL) { + whati |= 1 << (voice->number & 0x1f); + } else { + what |= 1 << (evoice->number & 0x1f); + whati |= 1 << (evoice->number & 0x1f); + if (go) + evoice->stimer = val; + } + if (go) { + voice->running = 1; + voice->stimer = val; + } else { + voice->running = 0; + } + snd_pcm_trigger_done(s, substream); + if (voice->capture) + capture_flag = 1; + if (voice->spdif) + spdif_flag = 1; + } + } + if (spdif_flag) { + if (trident->device != TRIDENT_DEVICE_ID_SI7018) { + outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS)); + val = trident->spdif_pcm_ctrl; + if (!go) + val &= ~(0x28); + outb(val, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); + } else { + outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS)); + val = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) | SPDIF_EN; + outl(val, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); + } + } + if (!go) + outl(what, TRID_REG(trident, T4D_STOP_B)); + val = inl(TRID_REG(trident, T4D_AINTEN_B)); + if (go) { + val |= whati; + } else { + val &= ~whati; + } + outl(val, TRID_REG(trident, T4D_AINTEN_B)); + if (go) { + outl(what, TRID_REG(trident, T4D_START_B)); + + if (capture_flag && trident->device != TRIDENT_DEVICE_ID_SI7018) + outb(trident->bDMAStart, TRID_REG(trident, T4D_SBCTRL_SBE2R_SBDD)); + } else { + if (capture_flag && trident->device != TRIDENT_DEVICE_ID_SI7018) + outb(0x00, TRID_REG(trident, T4D_SBCTRL_SBE2R_SBDD)); + } + spin_unlock(&trident->reg_lock); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_playback_pointer + + Description: This routine return the playback position + + Parameters: substream - PCM substream class + + Returns: position of buffer + + ---------------------------------------------------------------------------*/ + +static snd_pcm_uframes_t snd_trident_playback_pointer(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + unsigned int cso; + + if (!voice->running) + return 0; + + spin_lock(&trident->reg_lock); + + outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); + + if (trident->device != TRIDENT_DEVICE_ID_NX) { + cso = inw(TRID_REG(trident, CH_DX_CSO_ALPHA_FMS + 2)); + } else { // ID_4DWAVE_NX + cso = (unsigned int) inl(TRID_REG(trident, CH_NX_DELTA_CSO)) & 0x00ffffff; + } + + spin_unlock(&trident->reg_lock); + + if (cso >= runtime->buffer_size) + cso = 0; + + return cso; +} + +/*--------------------------------------------------------------------------- + snd_trident_capture_pointer + + Description: This routine return the capture position + + Parameters: pcm1 - PCM device class + + Returns: position of buffer + + ---------------------------------------------------------------------------*/ + +static snd_pcm_uframes_t snd_trident_capture_pointer(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + unsigned int result; + + if (!voice->running) + return 0; + + result = inw(TRID_REG(trident, T4D_SBBL_SBCL)); + if (runtime->channels > 1) + result >>= 1; + if (result > 0) + result = runtime->buffer_size - result; + + return result; +} + +/*--------------------------------------------------------------------------- + snd_trident_spdif_pointer + + Description: This routine return the SPDIF playback position + + Parameters: substream - PCM substream class + + Returns: position of buffer + + ---------------------------------------------------------------------------*/ + +static snd_pcm_uframes_t snd_trident_spdif_pointer(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + unsigned int result; + + if (!voice->running) + return 0; + + result = inl(TRID_REG(trident, NX_SPCTRL_SPCSO)) & 0x00ffffff; + + return result; +} + +/* + * Playback support device description + */ + +static const struct snd_pcm_hardware snd_trident_playback = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), + .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), + .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, + .rate_min = 4000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = (256*1024), + .period_bytes_min = 64, + .period_bytes_max = (256*1024), + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* + * Capture support device description + */ + +static const struct snd_pcm_hardware snd_trident_capture = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), + .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), + .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, + .rate_min = 4000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* + * Foldback capture support device description + */ + +static const struct snd_pcm_hardware snd_trident_foldback = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* + * SPDIF playback support device description + */ + +static const struct snd_pcm_hardware snd_trident_spdif = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000), + .rate_min = 32000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 0, +}; + +static const struct snd_pcm_hardware snd_trident_spdif_7018 = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 0, +}; + +static void snd_trident_pcm_free_substream(struct snd_pcm_runtime *runtime) +{ + struct snd_trident_voice *voice = runtime->private_data; + struct snd_trident *trident; + + if (voice) { + trident = voice->trident; + snd_trident_free_voice(trident, voice); + } +} + +static int snd_trident_playback_open(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice; + + voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); + if (voice == NULL) + return -EAGAIN; + snd_trident_pcm_mixer_build(trident, voice, substream); + voice->substream = substream; + runtime->private_data = voice; + runtime->private_free = snd_trident_pcm_free_substream; + runtime->hw = snd_trident_playback; + snd_pcm_set_sync(substream); + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_playback_close + + Description: This routine will close the 4DWave playback device. For now + we will simply free the dma transfer buffer. + + Parameters: substream - PCM substream class + + ---------------------------------------------------------------------------*/ +static int snd_trident_playback_close(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_trident_voice *voice = runtime->private_data; + + snd_trident_pcm_mixer_free(trident, voice, substream); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_spdif_open + + Description: This routine will open the 4DWave SPDIF device. + + Parameters: substream - PCM substream class + + Returns: status - success or failure flag + + ---------------------------------------------------------------------------*/ + +static int snd_trident_spdif_open(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_trident_voice *voice; + struct snd_pcm_runtime *runtime = substream->runtime; + + voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); + if (voice == NULL) + return -EAGAIN; + voice->spdif = 1; + voice->substream = substream; + spin_lock_irq(&trident->reg_lock); + trident->spdif_pcm_bits = trident->spdif_bits; + spin_unlock_irq(&trident->reg_lock); + + runtime->private_data = voice; + runtime->private_free = snd_trident_pcm_free_substream; + if (trident->device == TRIDENT_DEVICE_ID_SI7018) { + runtime->hw = snd_trident_spdif; + } else { + runtime->hw = snd_trident_spdif_7018; + } + + trident->spdif_pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE | + SNDRV_CTL_EVENT_MASK_INFO, &trident->spdif_pcm_ctl->id); + + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); + return 0; +} + + +/*--------------------------------------------------------------------------- + snd_trident_spdif_close + + Description: This routine will close the 4DWave SPDIF device. + + Parameters: substream - PCM substream class + + ---------------------------------------------------------------------------*/ + +static int snd_trident_spdif_close(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + unsigned int temp; + + spin_lock_irq(&trident->reg_lock); + // restore default SPDIF setting + if (trident->device != TRIDENT_DEVICE_ID_SI7018) { + outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); + outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS)); + } else { + outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); + temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)); + if (trident->spdif_ctrl) { + temp |= SPDIF_EN; + } else { + temp &= ~SPDIF_EN; + } + outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); + } + spin_unlock_irq(&trident->reg_lock); + trident->spdif_pcm_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE | + SNDRV_CTL_EVENT_MASK_INFO, &trident->spdif_pcm_ctl->id); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_capture_open + + Description: This routine will open the 4DWave capture device. + + Parameters: substream - PCM substream class + + Returns: status - success or failure flag + + ---------------------------------------------------------------------------*/ + +static int snd_trident_capture_open(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_trident_voice *voice; + struct snd_pcm_runtime *runtime = substream->runtime; + + voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); + if (voice == NULL) + return -EAGAIN; + voice->capture = 1; + voice->substream = substream; + runtime->private_data = voice; + runtime->private_free = snd_trident_pcm_free_substream; + runtime->hw = snd_trident_capture; + snd_pcm_set_sync(substream); + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_capture_close + + Description: This routine will close the 4DWave capture device. For now + we will simply free the dma transfer buffer. + + Parameters: substream - PCM substream class + + ---------------------------------------------------------------------------*/ +static int snd_trident_capture_close(struct snd_pcm_substream *substream) +{ + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_foldback_open + + Description: This routine will open the 4DWave foldback capture device. + + Parameters: substream - PCM substream class + + Returns: status - success or failure flag + + ---------------------------------------------------------------------------*/ + +static int snd_trident_foldback_open(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_trident_voice *voice; + struct snd_pcm_runtime *runtime = substream->runtime; + + voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); + if (voice == NULL) + return -EAGAIN; + voice->foldback_chan = substream->number; + voice->substream = substream; + runtime->private_data = voice; + runtime->private_free = snd_trident_pcm_free_substream; + runtime->hw = snd_trident_foldback; + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_foldback_close + + Description: This routine will close the 4DWave foldback capture device. + For now we will simply free the dma transfer buffer. + + Parameters: substream - PCM substream class + + ---------------------------------------------------------------------------*/ +static int snd_trident_foldback_close(struct snd_pcm_substream *substream) +{ + struct snd_trident *trident = snd_pcm_substream_chip(substream); + struct snd_trident_voice *voice; + struct snd_pcm_runtime *runtime = substream->runtime; + voice = runtime->private_data; + + /* stop capture channel */ + spin_lock_irq(&trident->reg_lock); + outb(0x00, TRID_REG(trident, T4D_RCI + voice->foldback_chan)); + spin_unlock_irq(&trident->reg_lock); + return 0; +} + +/*--------------------------------------------------------------------------- + PCM operations + ---------------------------------------------------------------------------*/ + +static const struct snd_pcm_ops snd_trident_playback_ops = { + .open = snd_trident_playback_open, + .close = snd_trident_playback_close, + .hw_params = snd_trident_hw_params, + .hw_free = snd_trident_hw_free, + .prepare = snd_trident_playback_prepare, + .trigger = snd_trident_trigger, + .pointer = snd_trident_playback_pointer, +}; + +static const struct snd_pcm_ops snd_trident_nx_playback_ops = { + .open = snd_trident_playback_open, + .close = snd_trident_playback_close, + .hw_params = snd_trident_hw_params, + .hw_free = snd_trident_hw_free, + .prepare = snd_trident_playback_prepare, + .trigger = snd_trident_trigger, + .pointer = snd_trident_playback_pointer, +}; + +static const struct snd_pcm_ops snd_trident_capture_ops = { + .open = snd_trident_capture_open, + .close = snd_trident_capture_close, + .hw_params = snd_trident_capture_hw_params, + .hw_free = snd_trident_hw_free, + .prepare = snd_trident_capture_prepare, + .trigger = snd_trident_trigger, + .pointer = snd_trident_capture_pointer, +}; + +static const struct snd_pcm_ops snd_trident_si7018_capture_ops = { + .open = snd_trident_capture_open, + .close = snd_trident_capture_close, + .hw_params = snd_trident_si7018_capture_hw_params, + .hw_free = snd_trident_si7018_capture_hw_free, + .prepare = snd_trident_si7018_capture_prepare, + .trigger = snd_trident_trigger, + .pointer = snd_trident_playback_pointer, +}; + +static const struct snd_pcm_ops snd_trident_foldback_ops = { + .open = snd_trident_foldback_open, + .close = snd_trident_foldback_close, + .hw_params = snd_trident_hw_params, + .hw_free = snd_trident_hw_free, + .prepare = snd_trident_foldback_prepare, + .trigger = snd_trident_trigger, + .pointer = snd_trident_playback_pointer, +}; + +static const struct snd_pcm_ops snd_trident_nx_foldback_ops = { + .open = snd_trident_foldback_open, + .close = snd_trident_foldback_close, + .hw_params = snd_trident_hw_params, + .hw_free = snd_trident_hw_free, + .prepare = snd_trident_foldback_prepare, + .trigger = snd_trident_trigger, + .pointer = snd_trident_playback_pointer, +}; + +static const struct snd_pcm_ops snd_trident_spdif_ops = { + .open = snd_trident_spdif_open, + .close = snd_trident_spdif_close, + .hw_params = snd_trident_spdif_hw_params, + .hw_free = snd_trident_hw_free, + .prepare = snd_trident_spdif_prepare, + .trigger = snd_trident_trigger, + .pointer = snd_trident_spdif_pointer, +}; + +static const struct snd_pcm_ops snd_trident_spdif_7018_ops = { + .open = snd_trident_spdif_open, + .close = snd_trident_spdif_close, + .hw_params = snd_trident_spdif_hw_params, + .hw_free = snd_trident_hw_free, + .prepare = snd_trident_spdif_prepare, + .trigger = snd_trident_trigger, + .pointer = snd_trident_playback_pointer, +}; + +/*--------------------------------------------------------------------------- + snd_trident_pcm + + Description: This routine registers the 4DWave device for PCM support. + + Parameters: trident - pointer to target device class for 4DWave. + + Returns: None + + ---------------------------------------------------------------------------*/ + +int snd_trident_pcm(struct snd_trident *trident, int device) +{ + struct snd_pcm *pcm; + int err; + + err = snd_pcm_new(trident->card, "trident_dx_nx", device, trident->ChanPCM, 1, &pcm); + if (err < 0) + return err; + + pcm->private_data = trident; + + if (trident->tlb.entries) { + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_nx_playback_ops); + } else { + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_playback_ops); + } + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, + trident->device != TRIDENT_DEVICE_ID_SI7018 ? + &snd_trident_capture_ops : + &snd_trident_si7018_capture_ops); + + pcm->info_flags = 0; + pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; + strcpy(pcm->name, "Trident 4DWave"); + trident->pcm = pcm; + + if (trident->tlb.entries) { + struct snd_pcm_substream *substream; + for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) + snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV_SG, + &trident->pci->dev, + 64*1024, 128*1024); + snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream, + SNDRV_DMA_TYPE_DEV, + &trident->pci->dev, + 64*1024, 128*1024); + } else { + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + &trident->pci->dev, + 64*1024, 128*1024); + } + + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_foldback_pcm + + Description: This routine registers the 4DWave device for foldback PCM support. + + Parameters: trident - pointer to target device class for 4DWave. + + Returns: None + + ---------------------------------------------------------------------------*/ + +int snd_trident_foldback_pcm(struct snd_trident *trident, int device) +{ + struct snd_pcm *foldback; + int err; + int num_chan = 3; + struct snd_pcm_substream *substream; + + if (trident->device == TRIDENT_DEVICE_ID_NX) + num_chan = 4; + err = snd_pcm_new(trident->card, "trident_dx_nx", device, 0, num_chan, &foldback); + if (err < 0) + return err; + + foldback->private_data = trident; + if (trident->tlb.entries) + snd_pcm_set_ops(foldback, SNDRV_PCM_STREAM_CAPTURE, &snd_trident_nx_foldback_ops); + else + snd_pcm_set_ops(foldback, SNDRV_PCM_STREAM_CAPTURE, &snd_trident_foldback_ops); + foldback->info_flags = 0; + strcpy(foldback->name, "Trident 4DWave"); + substream = foldback->streams[SNDRV_PCM_STREAM_CAPTURE].substream; + strcpy(substream->name, "Front Mixer"); + substream = substream->next; + strcpy(substream->name, "Reverb Mixer"); + substream = substream->next; + strcpy(substream->name, "Chorus Mixer"); + if (num_chan == 4) { + substream = substream->next; + strcpy(substream->name, "Second AC'97 ADC"); + } + trident->foldback = foldback; + + if (trident->tlb.entries) + snd_pcm_set_managed_buffer_all(foldback, SNDRV_DMA_TYPE_DEV_SG, + &trident->pci->dev, + 0, 128*1024); + else + snd_pcm_set_managed_buffer_all(foldback, SNDRV_DMA_TYPE_DEV, + &trident->pci->dev, + 64*1024, 128*1024); + + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_spdif + + Description: This routine registers the 4DWave-NX device for SPDIF support. + + Parameters: trident - pointer to target device class for 4DWave-NX. + + Returns: None + + ---------------------------------------------------------------------------*/ + +int snd_trident_spdif_pcm(struct snd_trident *trident, int device) +{ + struct snd_pcm *spdif; + int err; + + err = snd_pcm_new(trident->card, "trident_dx_nx IEC958", device, 1, 0, &spdif); + if (err < 0) + return err; + + spdif->private_data = trident; + if (trident->device != TRIDENT_DEVICE_ID_SI7018) { + snd_pcm_set_ops(spdif, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_spdif_ops); + } else { + snd_pcm_set_ops(spdif, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_spdif_7018_ops); + } + spdif->info_flags = 0; + strcpy(spdif->name, "Trident 4DWave IEC958"); + trident->spdif = spdif; + + snd_pcm_set_managed_buffer_all(spdif, SNDRV_DMA_TYPE_DEV, + &trident->pci->dev, 64*1024, 128*1024); + + return 0; +} + +/* + * Mixer part + */ + + +/*--------------------------------------------------------------------------- + snd_trident_spdif_control + + Description: enable/disable S/PDIF out from ac97 mixer + ---------------------------------------------------------------------------*/ + +#define snd_trident_spdif_control_info snd_ctl_boolean_mono_info + +static int snd_trident_spdif_control_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + unsigned char val; + + spin_lock_irq(&trident->reg_lock); + val = trident->spdif_ctrl; + ucontrol->value.integer.value[0] = val == kcontrol->private_value; + spin_unlock_irq(&trident->reg_lock); + return 0; +} + +static int snd_trident_spdif_control_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + unsigned char val; + int change; + + val = ucontrol->value.integer.value[0] ? (unsigned char) kcontrol->private_value : 0x00; + spin_lock_irq(&trident->reg_lock); + /* S/PDIF C Channel bits 0-31 : 48khz, SCMS disabled */ + change = trident->spdif_ctrl != val; + trident->spdif_ctrl = val; + if (trident->device != TRIDENT_DEVICE_ID_SI7018) { + if ((inb(TRID_REG(trident, NX_SPCTRL_SPCSO + 3)) & 0x10) == 0) { + outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS)); + outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); + } + } else { + if (trident->spdif == NULL) { + unsigned int temp; + outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); + temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & ~SPDIF_EN; + if (val) + temp |= SPDIF_EN; + outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); + } + } + spin_unlock_irq(&trident->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_trident_spdif_control = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), + .info = snd_trident_spdif_control_info, + .get = snd_trident_spdif_control_get, + .put = snd_trident_spdif_control_put, + .private_value = 0x28, +}; + +/*--------------------------------------------------------------------------- + snd_trident_spdif_default + + Description: put/get the S/PDIF default settings + ---------------------------------------------------------------------------*/ + +static int snd_trident_spdif_default_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; + uinfo->count = 1; + return 0; +} + +static int snd_trident_spdif_default_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + + spin_lock_irq(&trident->reg_lock); + ucontrol->value.iec958.status[0] = (trident->spdif_bits >> 0) & 0xff; + ucontrol->value.iec958.status[1] = (trident->spdif_bits >> 8) & 0xff; + ucontrol->value.iec958.status[2] = (trident->spdif_bits >> 16) & 0xff; + ucontrol->value.iec958.status[3] = (trident->spdif_bits >> 24) & 0xff; + spin_unlock_irq(&trident->reg_lock); + return 0; +} + +static int snd_trident_spdif_default_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + unsigned int val; + int change; + + val = (ucontrol->value.iec958.status[0] << 0) | + (ucontrol->value.iec958.status[1] << 8) | + (ucontrol->value.iec958.status[2] << 16) | + (ucontrol->value.iec958.status[3] << 24); + spin_lock_irq(&trident->reg_lock); + change = trident->spdif_bits != val; + trident->spdif_bits = val; + if (trident->device != TRIDENT_DEVICE_ID_SI7018) { + if ((inb(TRID_REG(trident, NX_SPCTRL_SPCSO + 3)) & 0x10) == 0) + outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS)); + } else { + if (trident->spdif == NULL) + outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); + } + spin_unlock_irq(&trident->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_trident_spdif_default = +{ + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), + .info = snd_trident_spdif_default_info, + .get = snd_trident_spdif_default_get, + .put = snd_trident_spdif_default_put +}; + +/*--------------------------------------------------------------------------- + snd_trident_spdif_mask + + Description: put/get the S/PDIF mask + ---------------------------------------------------------------------------*/ + +static int snd_trident_spdif_mask_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; + uinfo->count = 1; + return 0; +} + +static int snd_trident_spdif_mask_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.iec958.status[0] = 0xff; + ucontrol->value.iec958.status[1] = 0xff; + ucontrol->value.iec958.status[2] = 0xff; + ucontrol->value.iec958.status[3] = 0xff; + return 0; +} + +static const struct snd_kcontrol_new snd_trident_spdif_mask = +{ + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), + .info = snd_trident_spdif_mask_info, + .get = snd_trident_spdif_mask_get, +}; + +/*--------------------------------------------------------------------------- + snd_trident_spdif_stream + + Description: put/get the S/PDIF stream settings + ---------------------------------------------------------------------------*/ + +static int snd_trident_spdif_stream_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; + uinfo->count = 1; + return 0; +} + +static int snd_trident_spdif_stream_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + + spin_lock_irq(&trident->reg_lock); + ucontrol->value.iec958.status[0] = (trident->spdif_pcm_bits >> 0) & 0xff; + ucontrol->value.iec958.status[1] = (trident->spdif_pcm_bits >> 8) & 0xff; + ucontrol->value.iec958.status[2] = (trident->spdif_pcm_bits >> 16) & 0xff; + ucontrol->value.iec958.status[3] = (trident->spdif_pcm_bits >> 24) & 0xff; + spin_unlock_irq(&trident->reg_lock); + return 0; +} + +static int snd_trident_spdif_stream_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + unsigned int val; + int change; + + val = (ucontrol->value.iec958.status[0] << 0) | + (ucontrol->value.iec958.status[1] << 8) | + (ucontrol->value.iec958.status[2] << 16) | + (ucontrol->value.iec958.status[3] << 24); + spin_lock_irq(&trident->reg_lock); + change = trident->spdif_pcm_bits != val; + trident->spdif_pcm_bits = val; + if (trident->spdif != NULL) { + if (trident->device != TRIDENT_DEVICE_ID_SI7018) { + outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS)); + } else { + outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); + } + } + spin_unlock_irq(&trident->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_trident_spdif_stream = +{ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM), + .info = snd_trident_spdif_stream_info, + .get = snd_trident_spdif_stream_get, + .put = snd_trident_spdif_stream_put +}; + +/*--------------------------------------------------------------------------- + snd_trident_ac97_control + + Description: enable/disable rear path for ac97 + ---------------------------------------------------------------------------*/ + +#define snd_trident_ac97_control_info snd_ctl_boolean_mono_info + +static int snd_trident_ac97_control_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + unsigned char val; + + spin_lock_irq(&trident->reg_lock); + val = trident->ac97_ctrl = inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); + ucontrol->value.integer.value[0] = (val & (1 << kcontrol->private_value)) ? 1 : 0; + spin_unlock_irq(&trident->reg_lock); + return 0; +} + +static int snd_trident_ac97_control_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + unsigned char val; + int change = 0; + + spin_lock_irq(&trident->reg_lock); + val = trident->ac97_ctrl = inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); + val &= ~(1 << kcontrol->private_value); + if (ucontrol->value.integer.value[0]) + val |= 1 << kcontrol->private_value; + change = val != trident->ac97_ctrl; + trident->ac97_ctrl = val; + outl(trident->ac97_ctrl = val, TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); + spin_unlock_irq(&trident->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_trident_ac97_rear_control = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Rear Path", + .info = snd_trident_ac97_control_info, + .get = snd_trident_ac97_control_get, + .put = snd_trident_ac97_control_put, + .private_value = 4, +}; + +/*--------------------------------------------------------------------------- + snd_trident_vol_control + + Description: wave & music volume control + ---------------------------------------------------------------------------*/ + +static int snd_trident_vol_control_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 255; + return 0; +} + +static int snd_trident_vol_control_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + unsigned int val; + + val = trident->musicvol_wavevol; + ucontrol->value.integer.value[0] = 255 - ((val >> kcontrol->private_value) & 0xff); + ucontrol->value.integer.value[1] = 255 - ((val >> (kcontrol->private_value + 8)) & 0xff); + return 0; +} + +static const DECLARE_TLV_DB_SCALE(db_scale_gvol, -6375, 25, 0); + +static int snd_trident_vol_control_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + unsigned int val; + int change = 0; + + spin_lock_irq(&trident->reg_lock); + val = trident->musicvol_wavevol; + val &= ~(0xffff << kcontrol->private_value); + val |= ((255 - (ucontrol->value.integer.value[0] & 0xff)) | + ((255 - (ucontrol->value.integer.value[1] & 0xff)) << 8)) << kcontrol->private_value; + change = val != trident->musicvol_wavevol; + outl(trident->musicvol_wavevol = val, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL)); + spin_unlock_irq(&trident->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_trident_vol_music_control = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Music Playback Volume", + .info = snd_trident_vol_control_info, + .get = snd_trident_vol_control_get, + .put = snd_trident_vol_control_put, + .private_value = 16, + .tlv = { .p = db_scale_gvol }, +}; + +static const struct snd_kcontrol_new snd_trident_vol_wave_control = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Wave Playback Volume", + .info = snd_trident_vol_control_info, + .get = snd_trident_vol_control_get, + .put = snd_trident_vol_control_put, + .private_value = 0, + .tlv = { .p = db_scale_gvol }, +}; + +/*--------------------------------------------------------------------------- + snd_trident_pcm_vol_control + + Description: PCM front volume control + ---------------------------------------------------------------------------*/ + +static int snd_trident_pcm_vol_control_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 255; + if (trident->device == TRIDENT_DEVICE_ID_SI7018) + uinfo->value.integer.max = 1023; + return 0; +} + +static int snd_trident_pcm_vol_control_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; + + if (trident->device == TRIDENT_DEVICE_ID_SI7018) { + ucontrol->value.integer.value[0] = 1023 - mix->vol; + } else { + ucontrol->value.integer.value[0] = 255 - (mix->vol>>2); + } + return 0; +} + +static int snd_trident_pcm_vol_control_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; + unsigned int val; + int change = 0; + + if (trident->device == TRIDENT_DEVICE_ID_SI7018) { + val = 1023 - (ucontrol->value.integer.value[0] & 1023); + } else { + val = (255 - (ucontrol->value.integer.value[0] & 255)) << 2; + } + spin_lock_irq(&trident->reg_lock); + change = val != mix->vol; + mix->vol = val; + if (mix->voice != NULL) + snd_trident_write_vol_reg(trident, mix->voice, val); + spin_unlock_irq(&trident->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_trident_pcm_vol_control = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Front Playback Volume", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .count = 32, + .info = snd_trident_pcm_vol_control_info, + .get = snd_trident_pcm_vol_control_get, + .put = snd_trident_pcm_vol_control_put, + /* FIXME: no tlv yet */ +}; + +/*--------------------------------------------------------------------------- + snd_trident_pcm_pan_control + + Description: PCM front pan control + ---------------------------------------------------------------------------*/ + +static int snd_trident_pcm_pan_control_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 127; + return 0; +} + +static int snd_trident_pcm_pan_control_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; + + ucontrol->value.integer.value[0] = mix->pan; + if (ucontrol->value.integer.value[0] & 0x40) { + ucontrol->value.integer.value[0] = (0x3f - (ucontrol->value.integer.value[0] & 0x3f)); + } else { + ucontrol->value.integer.value[0] |= 0x40; + } + return 0; +} + +static int snd_trident_pcm_pan_control_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; + unsigned char val; + int change = 0; + + if (ucontrol->value.integer.value[0] & 0x40) + val = ucontrol->value.integer.value[0] & 0x3f; + else + val = (0x3f - (ucontrol->value.integer.value[0] & 0x3f)) | 0x40; + spin_lock_irq(&trident->reg_lock); + change = val != mix->pan; + mix->pan = val; + if (mix->voice != NULL) + snd_trident_write_pan_reg(trident, mix->voice, val); + spin_unlock_irq(&trident->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_trident_pcm_pan_control = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Pan Playback Control", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .count = 32, + .info = snd_trident_pcm_pan_control_info, + .get = snd_trident_pcm_pan_control_get, + .put = snd_trident_pcm_pan_control_put, +}; + +/*--------------------------------------------------------------------------- + snd_trident_pcm_rvol_control + + Description: PCM reverb volume control + ---------------------------------------------------------------------------*/ + +static int snd_trident_pcm_rvol_control_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 127; + return 0; +} + +static int snd_trident_pcm_rvol_control_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; + + ucontrol->value.integer.value[0] = 127 - mix->rvol; + return 0; +} + +static int snd_trident_pcm_rvol_control_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; + unsigned short val; + int change = 0; + + val = 0x7f - (ucontrol->value.integer.value[0] & 0x7f); + spin_lock_irq(&trident->reg_lock); + change = val != mix->rvol; + mix->rvol = val; + if (mix->voice != NULL) + snd_trident_write_rvol_reg(trident, mix->voice, val); + spin_unlock_irq(&trident->reg_lock); + return change; +} + +static const DECLARE_TLV_DB_SCALE(db_scale_crvol, -3175, 25, 1); + +static const struct snd_kcontrol_new snd_trident_pcm_rvol_control = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Reverb Playback Volume", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .count = 32, + .info = snd_trident_pcm_rvol_control_info, + .get = snd_trident_pcm_rvol_control_get, + .put = snd_trident_pcm_rvol_control_put, + .tlv = { .p = db_scale_crvol }, +}; + +/*--------------------------------------------------------------------------- + snd_trident_pcm_cvol_control + + Description: PCM chorus volume control + ---------------------------------------------------------------------------*/ + +static int snd_trident_pcm_cvol_control_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 127; + return 0; +} + +static int snd_trident_pcm_cvol_control_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; + + ucontrol->value.integer.value[0] = 127 - mix->cvol; + return 0; +} + +static int snd_trident_pcm_cvol_control_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_trident *trident = snd_kcontrol_chip(kcontrol); + struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; + unsigned short val; + int change = 0; + + val = 0x7f - (ucontrol->value.integer.value[0] & 0x7f); + spin_lock_irq(&trident->reg_lock); + change = val != mix->cvol; + mix->cvol = val; + if (mix->voice != NULL) + snd_trident_write_cvol_reg(trident, mix->voice, val); + spin_unlock_irq(&trident->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_trident_pcm_cvol_control = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Chorus Playback Volume", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .count = 32, + .info = snd_trident_pcm_cvol_control_info, + .get = snd_trident_pcm_cvol_control_get, + .put = snd_trident_pcm_cvol_control_put, + .tlv = { .p = db_scale_crvol }, +}; + +static void snd_trident_notify_pcm_change1(struct snd_card *card, + struct snd_kcontrol *kctl, + int num, int activate) +{ + struct snd_ctl_elem_id id; + + if (! kctl) + return; + if (activate) + kctl->vd[num].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; + else + kctl->vd[num].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE | + SNDRV_CTL_EVENT_MASK_INFO, + snd_ctl_build_ioff(&id, kctl, num)); +} + +static void snd_trident_notify_pcm_change(struct snd_trident *trident, + struct snd_trident_pcm_mixer *tmix, + int num, int activate) +{ + snd_trident_notify_pcm_change1(trident->card, trident->ctl_vol, num, activate); + snd_trident_notify_pcm_change1(trident->card, trident->ctl_pan, num, activate); + snd_trident_notify_pcm_change1(trident->card, trident->ctl_rvol, num, activate); + snd_trident_notify_pcm_change1(trident->card, trident->ctl_cvol, num, activate); +} + +static int snd_trident_pcm_mixer_build(struct snd_trident *trident, + struct snd_trident_voice *voice, + struct snd_pcm_substream *substream) +{ + struct snd_trident_pcm_mixer *tmix; + + if (snd_BUG_ON(!trident || !voice || !substream)) + return -EINVAL; + tmix = &trident->pcm_mixer[substream->number]; + tmix->voice = voice; + tmix->vol = T4D_DEFAULT_PCM_VOL; + tmix->pan = T4D_DEFAULT_PCM_PAN; + tmix->rvol = T4D_DEFAULT_PCM_RVOL; + tmix->cvol = T4D_DEFAULT_PCM_CVOL; + snd_trident_notify_pcm_change(trident, tmix, substream->number, 1); + return 0; +} + +static int snd_trident_pcm_mixer_free(struct snd_trident *trident, struct snd_trident_voice *voice, struct snd_pcm_substream *substream) +{ + struct snd_trident_pcm_mixer *tmix; + + if (snd_BUG_ON(!trident || !substream)) + return -EINVAL; + tmix = &trident->pcm_mixer[substream->number]; + tmix->voice = NULL; + snd_trident_notify_pcm_change(trident, tmix, substream->number, 0); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_mixer + + Description: This routine registers the 4DWave device for mixer support. + + Parameters: trident - pointer to target device class for 4DWave. + + Returns: None + + ---------------------------------------------------------------------------*/ + +static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device) +{ + struct snd_ac97_template _ac97; + struct snd_card *card = trident->card; + struct snd_kcontrol *kctl; + struct snd_ctl_elem_value *uctl; + int idx, err, retries = 2; + static const struct snd_ac97_bus_ops ops = { + .write = snd_trident_codec_write, + .read = snd_trident_codec_read, + }; + + uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); + if (!uctl) + return -ENOMEM; + + err = snd_ac97_bus(trident->card, 0, &ops, NULL, &trident->ac97_bus); + if (err < 0) + goto __out; + + memset(&_ac97, 0, sizeof(_ac97)); + _ac97.private_data = trident; + trident->ac97_detect = 1; + + __again: + err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97); + if (err < 0) { + if (trident->device == TRIDENT_DEVICE_ID_SI7018) { + err = snd_trident_sis_reset(trident); + if (err < 0) + goto __out; + if (retries-- > 0) + goto __again; + err = -EIO; + } + goto __out; + } + + /* secondary codec? */ + if (trident->device == TRIDENT_DEVICE_ID_SI7018 && + (inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_PRIMARY_READY) != 0) { + _ac97.num = 1; + err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97_sec); + if (err < 0) + dev_err(trident->card->dev, + "SI7018: the secondary codec - invalid access\n"); +#if 0 // only for my testing purpose --jk + { + struct snd_ac97 *mc97; + err = snd_ac97_modem(trident->card, &_ac97, &mc97); + if (err < 0) + dev_err(trident->card->dev, + "snd_ac97_modem returned error %i\n", err); + } +#endif + } + + trident->ac97_detect = 0; + + if (trident->device != TRIDENT_DEVICE_ID_SI7018) { + kctl = snd_ctl_new1(&snd_trident_vol_wave_control, trident); + err = snd_ctl_add(card, kctl); + if (err < 0) + goto __out; + kctl->put(kctl, uctl); + kctl = snd_ctl_new1(&snd_trident_vol_music_control, trident); + err = snd_ctl_add(card, kctl); + if (err < 0) + goto __out; + kctl->put(kctl, uctl); + outl(trident->musicvol_wavevol = 0x00000000, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL)); + } else { + outl(trident->musicvol_wavevol = 0xffff0000, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL)); + } + + for (idx = 0; idx < 32; idx++) { + struct snd_trident_pcm_mixer *tmix; + + tmix = &trident->pcm_mixer[idx]; + tmix->voice = NULL; + } + trident->ctl_vol = snd_ctl_new1(&snd_trident_pcm_vol_control, trident); + if (!trident->ctl_vol) + goto __nomem; + err = snd_ctl_add(card, trident->ctl_vol); + if (err) + goto __out; + + trident->ctl_pan = snd_ctl_new1(&snd_trident_pcm_pan_control, trident); + if (!trident->ctl_pan) + goto __nomem; + err = snd_ctl_add(card, trident->ctl_pan); + if (err) + goto __out; + + trident->ctl_rvol = snd_ctl_new1(&snd_trident_pcm_rvol_control, trident); + if (!trident->ctl_rvol) + goto __nomem; + err = snd_ctl_add(card, trident->ctl_rvol); + if (err) + goto __out; + + trident->ctl_cvol = snd_ctl_new1(&snd_trident_pcm_cvol_control, trident); + if (!trident->ctl_cvol) + goto __nomem; + err = snd_ctl_add(card, trident->ctl_cvol); + if (err) + goto __out; + + if (trident->device == TRIDENT_DEVICE_ID_NX) { + kctl = snd_ctl_new1(&snd_trident_ac97_rear_control, trident); + err = snd_ctl_add(card, kctl); + if (err < 0) + goto __out; + kctl->put(kctl, uctl); + } + if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) { + + kctl = snd_ctl_new1(&snd_trident_spdif_control, trident); + if (kctl == NULL) { + err = -ENOMEM; + goto __out; + } + if (trident->ac97->ext_id & AC97_EI_SPDIF) + kctl->id.index++; + if (trident->ac97_sec && (trident->ac97_sec->ext_id & AC97_EI_SPDIF)) + kctl->id.index++; + idx = kctl->id.index; + err = snd_ctl_add(card, kctl); + if (err < 0) + goto __out; + kctl->put(kctl, uctl); + + kctl = snd_ctl_new1(&snd_trident_spdif_default, trident); + if (kctl == NULL) { + err = -ENOMEM; + goto __out; + } + kctl->id.index = idx; + kctl->id.device = pcm_spdif_device; + err = snd_ctl_add(card, kctl); + if (err < 0) + goto __out; + + kctl = snd_ctl_new1(&snd_trident_spdif_mask, trident); + if (kctl == NULL) { + err = -ENOMEM; + goto __out; + } + kctl->id.index = idx; + kctl->id.device = pcm_spdif_device; + err = snd_ctl_add(card, kctl); + if (err < 0) + goto __out; + + kctl = snd_ctl_new1(&snd_trident_spdif_stream, trident); + if (kctl == NULL) { + err = -ENOMEM; + goto __out; + } + kctl->id.index = idx; + kctl->id.device = pcm_spdif_device; + err = snd_ctl_add(card, kctl); + if (err < 0) + goto __out; + trident->spdif_pcm_ctl = kctl; + } + + err = 0; + goto __out; + + __nomem: + err = -ENOMEM; + + __out: + kfree(uctl); + + return err; +} + +/* + * gameport interface + */ + +#if IS_REACHABLE(CONFIG_GAMEPORT) + +static unsigned char snd_trident_gameport_read(struct gameport *gameport) +{ + struct snd_trident *chip = gameport_get_port_data(gameport); + + if (snd_BUG_ON(!chip)) + return 0; + return inb(TRID_REG(chip, GAMEPORT_LEGACY)); +} + +static void snd_trident_gameport_trigger(struct gameport *gameport) +{ + struct snd_trident *chip = gameport_get_port_data(gameport); + + if (snd_BUG_ON(!chip)) + return; + outb(0xff, TRID_REG(chip, GAMEPORT_LEGACY)); +} + +static int snd_trident_gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons) +{ + struct snd_trident *chip = gameport_get_port_data(gameport); + int i; + + if (snd_BUG_ON(!chip)) + return 0; + + *buttons = (~inb(TRID_REG(chip, GAMEPORT_LEGACY)) >> 4) & 0xf; + + for (i = 0; i < 4; i++) { + axes[i] = inw(TRID_REG(chip, GAMEPORT_AXES + i * 2)); + if (axes[i] == 0xffff) axes[i] = -1; + } + + return 0; +} + +static int snd_trident_gameport_open(struct gameport *gameport, int mode) +{ + struct snd_trident *chip = gameport_get_port_data(gameport); + + if (snd_BUG_ON(!chip)) + return 0; + + switch (mode) { + case GAMEPORT_MODE_COOKED: + outb(GAMEPORT_MODE_ADC, TRID_REG(chip, GAMEPORT_GCR)); + msleep(20); + return 0; + case GAMEPORT_MODE_RAW: + outb(0, TRID_REG(chip, GAMEPORT_GCR)); + return 0; + default: + return -1; + } +} + +int snd_trident_create_gameport(struct snd_trident *chip) +{ + struct gameport *gp; + + chip->gameport = gp = gameport_allocate_port(); + if (!gp) { + dev_err(chip->card->dev, + "cannot allocate memory for gameport\n"); + return -ENOMEM; + } + + gameport_set_name(gp, "Trident 4DWave"); + gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); + gameport_set_dev_parent(gp, &chip->pci->dev); + + gameport_set_port_data(gp, chip); + gp->fuzz = 64; + gp->read = snd_trident_gameport_read; + gp->trigger = snd_trident_gameport_trigger; + gp->cooked_read = snd_trident_gameport_cooked_read; + gp->open = snd_trident_gameport_open; + + gameport_register_port(gp); + + return 0; +} + +static inline void snd_trident_free_gameport(struct snd_trident *chip) +{ + if (chip->gameport) { + gameport_unregister_port(chip->gameport); + chip->gameport = NULL; + } +} +#else +int snd_trident_create_gameport(struct snd_trident *chip) { return -ENOSYS; } +static inline void snd_trident_free_gameport(struct snd_trident *chip) { } +#endif /* CONFIG_GAMEPORT */ + +/* + * delay for 1 tick + */ +static inline void do_delay(struct snd_trident *chip) +{ + schedule_timeout_uninterruptible(1); +} + +/* + * SiS reset routine + */ + +static int snd_trident_sis_reset(struct snd_trident *trident) +{ + unsigned long end_time; + unsigned int i; + int r; + + r = trident->in_suspend ? 0 : 2; /* count of retries */ + __si7018_retry: + pci_write_config_byte(trident->pci, 0x46, 0x04); /* SOFTWARE RESET */ + udelay(100); + pci_write_config_byte(trident->pci, 0x46, 0x00); + udelay(100); + /* disable AC97 GPIO interrupt */ + outb(0x00, TRID_REG(trident, SI_AC97_GPIO)); + /* initialize serial interface, force cold reset */ + i = PCMOUT|SURROUT|CENTEROUT|LFEOUT|SECONDARY_ID|COLD_RESET; + outl(i, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); + udelay(1000); + /* remove cold reset */ + i &= ~COLD_RESET; + outl(i, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); + udelay(2000); + /* wait, until the codec is ready */ + end_time = (jiffies + (HZ * 3) / 4) + 1; + do { + if ((inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_PRIMARY_READY) != 0) + goto __si7018_ok; + do_delay(trident); + } while (time_after_eq(end_time, jiffies)); + dev_err(trident->card->dev, "AC'97 codec ready error [0x%x]\n", + inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL))); + if (r-- > 0) { + end_time = jiffies + HZ; + do { + do_delay(trident); + } while (time_after_eq(end_time, jiffies)); + goto __si7018_retry; + } + __si7018_ok: + /* wait for the second codec */ + do { + if ((inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_SECONDARY_READY) != 0) + break; + do_delay(trident); + } while (time_after_eq(end_time, jiffies)); + /* enable 64 channel mode */ + outl(BANK_B_EN, TRID_REG(trident, T4D_LFO_GC_CIR)); + return 0; +} + +/* + * /proc interface + */ + +static void snd_trident_proc_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_trident *trident = entry->private_data; + char *s; + + switch (trident->device) { + case TRIDENT_DEVICE_ID_SI7018: + s = "SiS 7018 Audio"; + break; + case TRIDENT_DEVICE_ID_DX: + s = "Trident 4DWave PCI DX"; + break; + case TRIDENT_DEVICE_ID_NX: + s = "Trident 4DWave PCI NX"; + break; + default: + s = "???"; + } + snd_iprintf(buffer, "%s\n\n", s); + snd_iprintf(buffer, "Spurious IRQs : %d\n", trident->spurious_irq_count); + snd_iprintf(buffer, "Spurious IRQ dlta: %d\n", trident->spurious_irq_max_delta); + if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) + snd_iprintf(buffer, "IEC958 Mixer Out : %s\n", trident->spdif_ctrl == 0x28 ? "on" : "off"); + if (trident->device == TRIDENT_DEVICE_ID_NX) { + snd_iprintf(buffer, "Rear Speakers : %s\n", trident->ac97_ctrl & 0x00000010 ? "on" : "off"); + if (trident->tlb.entries) { + snd_iprintf(buffer,"\nVirtual Memory\n"); + snd_iprintf(buffer, "Memory Maximum : %d\n", trident->tlb.memhdr->size); + snd_iprintf(buffer, "Memory Used : %d\n", trident->tlb.memhdr->used); + snd_iprintf(buffer, "Memory Free : %d\n", snd_util_mem_avail(trident->tlb.memhdr)); + } + } +} + +static void snd_trident_proc_init(struct snd_trident *trident) +{ + const char *s = "trident"; + + if (trident->device == TRIDENT_DEVICE_ID_SI7018) + s = "sis7018"; + snd_card_ro_proc_new(trident->card, s, trident, snd_trident_proc_read); +} + +/*--------------------------------------------------------------------------- + snd_trident_tlb_alloc + + Description: Allocate and set up the TLB page table on 4D NX. + Each entry has 4 bytes (physical PCI address). + + Parameters: trident - pointer to target device class for 4DWave. + + Returns: 0 or negative error code + + ---------------------------------------------------------------------------*/ + +static int snd_trident_tlb_alloc(struct snd_trident *trident) +{ + int i; + + /* TLB array must be aligned to 16kB !!! so we allocate + 32kB region and correct offset when necessary */ + + trident->tlb.buffer = + snd_devm_alloc_pages(&trident->pci->dev, SNDRV_DMA_TYPE_DEV, + 2 * SNDRV_TRIDENT_MAX_PAGES * 4); + if (!trident->tlb.buffer) { + dev_err(trident->card->dev, "unable to allocate TLB buffer\n"); + return -ENOMEM; + } + trident->tlb.entries = (__le32 *)ALIGN((unsigned long)trident->tlb.buffer->area, SNDRV_TRIDENT_MAX_PAGES * 4); + trident->tlb.entries_dmaaddr = ALIGN(trident->tlb.buffer->addr, SNDRV_TRIDENT_MAX_PAGES * 4); + + /* allocate and setup silent page and initialise TLB entries */ + trident->tlb.silent_page = + snd_devm_alloc_pages(&trident->pci->dev, SNDRV_DMA_TYPE_DEV, + SNDRV_TRIDENT_PAGE_SIZE); + if (!trident->tlb.silent_page) { + dev_err(trident->card->dev, "unable to allocate silent page\n"); + return -ENOMEM; + } + memset(trident->tlb.silent_page->area, 0, SNDRV_TRIDENT_PAGE_SIZE); + for (i = 0; i < SNDRV_TRIDENT_MAX_PAGES; i++) + trident->tlb.entries[i] = cpu_to_le32(trident->tlb.silent_page->addr & ~(SNDRV_TRIDENT_PAGE_SIZE-1)); + + /* use emu memory block manager code to manage tlb page allocation */ + trident->tlb.memhdr = snd_util_memhdr_new(SNDRV_TRIDENT_PAGE_SIZE * SNDRV_TRIDENT_MAX_PAGES); + if (trident->tlb.memhdr == NULL) + return -ENOMEM; + + trident->tlb.memhdr->block_extra_size = sizeof(struct snd_trident_memblk_arg); + return 0; +} + +/* + * initialize 4D DX chip + */ + +static void snd_trident_stop_all_voices(struct snd_trident *trident) +{ + outl(0xffffffff, TRID_REG(trident, T4D_STOP_A)); + outl(0xffffffff, TRID_REG(trident, T4D_STOP_B)); + outl(0, TRID_REG(trident, T4D_AINTEN_A)); + outl(0, TRID_REG(trident, T4D_AINTEN_B)); +} + +static int snd_trident_4d_dx_init(struct snd_trident *trident) +{ + struct pci_dev *pci = trident->pci; + unsigned long end_time; + + /* reset the legacy configuration and whole audio/wavetable block */ + pci_write_config_dword(pci, 0x40, 0); /* DDMA */ + pci_write_config_byte(pci, 0x44, 0); /* ports */ + pci_write_config_byte(pci, 0x45, 0); /* Legacy DMA */ + pci_write_config_byte(pci, 0x46, 4); /* reset */ + udelay(100); + pci_write_config_byte(pci, 0x46, 0); /* release reset */ + udelay(100); + + /* warm reset of the AC'97 codec */ + outl(0x00000001, TRID_REG(trident, DX_ACR2_AC97_COM_STAT)); + udelay(100); + outl(0x00000000, TRID_REG(trident, DX_ACR2_AC97_COM_STAT)); + /* DAC on, disable SB IRQ and try to force ADC valid signal */ + trident->ac97_ctrl = 0x0000004a; + outl(trident->ac97_ctrl, TRID_REG(trident, DX_ACR2_AC97_COM_STAT)); + /* wait, until the codec is ready */ + end_time = (jiffies + (HZ * 3) / 4) + 1; + do { + if ((inl(TRID_REG(trident, DX_ACR2_AC97_COM_STAT)) & 0x0010) != 0) + goto __dx_ok; + do_delay(trident); + } while (time_after_eq(end_time, jiffies)); + dev_err(trident->card->dev, "AC'97 codec ready error\n"); + return -EIO; + + __dx_ok: + snd_trident_stop_all_voices(trident); + + return 0; +} + +/* + * initialize 4D NX chip + */ +static int snd_trident_4d_nx_init(struct snd_trident *trident) +{ + struct pci_dev *pci = trident->pci; + unsigned long end_time; + + /* reset the legacy configuration and whole audio/wavetable block */ + pci_write_config_dword(pci, 0x40, 0); /* DDMA */ + pci_write_config_byte(pci, 0x44, 0); /* ports */ + pci_write_config_byte(pci, 0x45, 0); /* Legacy DMA */ + + pci_write_config_byte(pci, 0x46, 1); /* reset */ + udelay(100); + pci_write_config_byte(pci, 0x46, 0); /* release reset */ + udelay(100); + + /* warm reset of the AC'97 codec */ + outl(0x00000001, TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); + udelay(100); + outl(0x00000000, TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); + /* wait, until the codec is ready */ + end_time = (jiffies + (HZ * 3) / 4) + 1; + do { + if ((inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)) & 0x0008) != 0) + goto __nx_ok; + do_delay(trident); + } while (time_after_eq(end_time, jiffies)); + dev_err(trident->card->dev, "AC'97 codec ready error [0x%x]\n", + inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT))); + return -EIO; + + __nx_ok: + /* DAC on */ + trident->ac97_ctrl = 0x00000002; + outl(trident->ac97_ctrl, TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); + /* disable SB IRQ */ + outl(NX_SB_IRQ_DISABLE, TRID_REG(trident, T4D_MISCINT)); + + snd_trident_stop_all_voices(trident); + + if (trident->tlb.entries != NULL) { + unsigned int i; + /* enable virtual addressing via TLB */ + i = trident->tlb.entries_dmaaddr; + i |= 0x00000001; + outl(i, TRID_REG(trident, NX_TLBC)); + } else { + outl(0, TRID_REG(trident, NX_TLBC)); + } + /* initialize S/PDIF */ + outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS)); + outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); + + return 0; +} + +/* + * initialize sis7018 chip + */ +static int snd_trident_sis_init(struct snd_trident *trident) +{ + int err; + + err = snd_trident_sis_reset(trident); + if (err < 0) + return err; + + snd_trident_stop_all_voices(trident); + + /* initialize S/PDIF */ + outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); + + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_create + + Description: This routine will create the device specific class for + the 4DWave card. It will also perform basic initialization. + + Parameters: card - which card to create + pci - interface to PCI bus resource info + dma1ptr - playback dma buffer + dma2ptr - capture dma buffer + irqptr - interrupt resource info + + Returns: 4DWave device class private data + + ---------------------------------------------------------------------------*/ + +int snd_trident_create(struct snd_card *card, + struct pci_dev *pci, + int pcm_streams, + int pcm_spdif_device, + int max_wavetable_size) +{ + struct snd_trident *trident = card->private_data; + int i, err; + struct snd_trident_voice *voice; + struct snd_trident_pcm_mixer *tmix; + + /* enable PCI device */ + err = pcim_enable_device(pci); + if (err < 0) + return err; + /* check, if we can restrict PCI DMA transfers to 30 bits */ + if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(30))) { + dev_err(card->dev, + "architecture does not support 30bit PCI busmaster DMA\n"); + return -ENXIO; + } + + trident->device = (pci->vendor << 16) | pci->device; + trident->card = card; + trident->pci = pci; + spin_lock_init(&trident->reg_lock); + spin_lock_init(&trident->event_lock); + spin_lock_init(&trident->voice_alloc); + if (pcm_streams < 1) + pcm_streams = 1; + if (pcm_streams > 32) + pcm_streams = 32; + trident->ChanPCM = pcm_streams; + if (max_wavetable_size < 0 ) + max_wavetable_size = 0; + trident->synth.max_size = max_wavetable_size * 1024; + trident->irq = -1; + card->private_free = snd_trident_free; + + trident->midi_port = TRID_REG(trident, T4D_MPU401_BASE); + pci_set_master(pci); + + err = pci_request_regions(pci, "Trident Audio"); + if (err < 0) + return err; + trident->port = pci_resource_start(pci, 0); + + if (devm_request_irq(&pci->dev, pci->irq, snd_trident_interrupt, + IRQF_SHARED, KBUILD_MODNAME, trident)) { + dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); + return -EBUSY; + } + trident->irq = pci->irq; + card->sync_irq = trident->irq; + + /* allocate 16k-aligned TLB for NX cards */ + trident->tlb.entries = NULL; + if (trident->device == TRIDENT_DEVICE_ID_NX) { + err = snd_trident_tlb_alloc(trident); + if (err < 0) + return err; + } + + trident->spdif_bits = trident->spdif_pcm_bits = SNDRV_PCM_DEFAULT_CON_SPDIF; + + /* initialize chip */ + switch (trident->device) { + case TRIDENT_DEVICE_ID_DX: + err = snd_trident_4d_dx_init(trident); + break; + case TRIDENT_DEVICE_ID_NX: + err = snd_trident_4d_nx_init(trident); + break; + case TRIDENT_DEVICE_ID_SI7018: + err = snd_trident_sis_init(trident); + break; + default: + snd_BUG(); + break; + } + if (err < 0) + return err; + + err = snd_trident_mixer(trident, pcm_spdif_device); + if (err < 0) + return err; + + /* initialise synth voices */ + for (i = 0; i < 64; i++) { + voice = &trident->synth.voices[i]; + voice->number = i; + voice->trident = trident; + } + /* initialize pcm mixer entries */ + for (i = 0; i < 32; i++) { + tmix = &trident->pcm_mixer[i]; + tmix->vol = T4D_DEFAULT_PCM_VOL; + tmix->pan = T4D_DEFAULT_PCM_PAN; + tmix->rvol = T4D_DEFAULT_PCM_RVOL; + tmix->cvol = T4D_DEFAULT_PCM_CVOL; + } + + snd_trident_enable_eso(trident); + + snd_trident_proc_init(trident); + return 0; +} + +/*--------------------------------------------------------------------------- + snd_trident_free + + Description: This routine will free the device specific class for + the 4DWave card. + + Parameters: card - card to release + + Returns: None. + + ---------------------------------------------------------------------------*/ + +static void snd_trident_free(struct snd_card *card) +{ + struct snd_trident *trident = card->private_data; + + snd_trident_free_gameport(trident); + snd_trident_disable_eso(trident); + // Disable S/PDIF out + if (trident->device == TRIDENT_DEVICE_ID_NX) + outb(0x00, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); + else if (trident->device == TRIDENT_DEVICE_ID_SI7018) { + outl(0, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); + } + if (trident->tlb.buffer) { + outl(0, TRID_REG(trident, NX_TLBC)); + snd_util_memhdr_free(trident->tlb.memhdr); + } +} + +/*--------------------------------------------------------------------------- + snd_trident_interrupt + + Description: ISR for Trident 4DWave device + + Parameters: trident - device specific private data for 4DWave card + + Problems: It seems that Trident chips generates interrupts more than + one time in special cases. The spurious interrupts are + detected via sample timer (T4D_STIMER) and computing + corresponding delta value. The limits are detected with + the method try & fail so it is possible that it won't + work on all computers. [jaroslav] + + Returns: None. + + ---------------------------------------------------------------------------*/ + +static irqreturn_t snd_trident_interrupt(int irq, void *dev_id) +{ + struct snd_trident *trident = dev_id; + unsigned int audio_int, chn_int, stimer, channel, mask, tmp; + int delta; + struct snd_trident_voice *voice; + + audio_int = inl(TRID_REG(trident, T4D_MISCINT)); + if ((audio_int & (ADDRESS_IRQ|MPU401_IRQ)) == 0) + return IRQ_NONE; + if (audio_int & ADDRESS_IRQ) { + // get interrupt status for all channels + spin_lock(&trident->reg_lock); + stimer = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff; + chn_int = inl(TRID_REG(trident, T4D_AINT_A)); + if (chn_int == 0) + goto __skip1; + outl(chn_int, TRID_REG(trident, T4D_AINT_A)); /* ack */ + __skip1: + chn_int = inl(TRID_REG(trident, T4D_AINT_B)); + if (chn_int == 0) + goto __skip2; + for (channel = 63; channel >= 32; channel--) { + mask = 1 << (channel&0x1f); + if ((chn_int & mask) == 0) + continue; + voice = &trident->synth.voices[channel]; + if (!voice->pcm || voice->substream == NULL) { + outl(mask, TRID_REG(trident, T4D_STOP_B)); + continue; + } + delta = (int)stimer - (int)voice->stimer; + if (delta < 0) + delta = -delta; + if ((unsigned int)delta < voice->spurious_threshold) { + /* do some statistics here */ + trident->spurious_irq_count++; + if (trident->spurious_irq_max_delta < (unsigned int)delta) + trident->spurious_irq_max_delta = delta; + continue; + } + voice->stimer = stimer; + if (voice->isync) { + if (!voice->isync3) { + tmp = inw(TRID_REG(trident, T4D_SBBL_SBCL)); + if (trident->bDMAStart & 0x40) + tmp >>= 1; + if (tmp > 0) + tmp = voice->isync_max - tmp; + } else { + tmp = inl(TRID_REG(trident, NX_SPCTRL_SPCSO)) & 0x00ffffff; + } + if (tmp < voice->isync_mark) { + if (tmp > 0x10) + tmp = voice->isync_ESO - 7; + else + tmp = voice->isync_ESO + 2; + /* update ESO for IRQ voice to preserve sync */ + snd_trident_stop_voice(trident, voice->number); + snd_trident_write_eso_reg(trident, voice, tmp); + snd_trident_start_voice(trident, voice->number); + } + } else if (voice->isync2) { + voice->isync2 = 0; + /* write original ESO and update CSO for IRQ voice to preserve sync */ + snd_trident_stop_voice(trident, voice->number); + snd_trident_write_cso_reg(trident, voice, voice->isync_mark); + snd_trident_write_eso_reg(trident, voice, voice->ESO); + snd_trident_start_voice(trident, voice->number); + } +#if 0 + if (voice->extra) { + /* update CSO for extra voice to preserve sync */ + snd_trident_stop_voice(trident, voice->extra->number); + snd_trident_write_cso_reg(trident, voice->extra, 0); + snd_trident_start_voice(trident, voice->extra->number); + } +#endif + spin_unlock(&trident->reg_lock); + snd_pcm_period_elapsed(voice->substream); + spin_lock(&trident->reg_lock); + } + outl(chn_int, TRID_REG(trident, T4D_AINT_B)); /* ack */ + __skip2: + spin_unlock(&trident->reg_lock); + } + if (audio_int & MPU401_IRQ) { + if (trident->rmidi) { + snd_mpu401_uart_interrupt(irq, trident->rmidi->private_data); + } else { + inb(TRID_REG(trident, T4D_MPUR0)); + } + } + // outl((ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), TRID_REG(trident, T4D_MISCINT)); + return IRQ_HANDLED; +} + +struct snd_trident_voice *snd_trident_alloc_voice(struct snd_trident * trident, int type, int client, int port) +{ + struct snd_trident_voice *pvoice; + unsigned long flags; + int idx; + + spin_lock_irqsave(&trident->voice_alloc, flags); + if (type == SNDRV_TRIDENT_VOICE_TYPE_PCM) { + idx = snd_trident_allocate_pcm_channel(trident); + if(idx < 0) { + spin_unlock_irqrestore(&trident->voice_alloc, flags); + return NULL; + } + pvoice = &trident->synth.voices[idx]; + pvoice->use = 1; + pvoice->pcm = 1; + pvoice->capture = 0; + pvoice->spdif = 0; + pvoice->memblk = NULL; + pvoice->substream = NULL; + spin_unlock_irqrestore(&trident->voice_alloc, flags); + return pvoice; + } + if (type == SNDRV_TRIDENT_VOICE_TYPE_SYNTH) { + idx = snd_trident_allocate_synth_channel(trident); + if(idx < 0) { + spin_unlock_irqrestore(&trident->voice_alloc, flags); + return NULL; + } + pvoice = &trident->synth.voices[idx]; + pvoice->use = 1; + pvoice->synth = 1; + pvoice->client = client; + pvoice->port = port; + pvoice->memblk = NULL; + spin_unlock_irqrestore(&trident->voice_alloc, flags); + return pvoice; + } + if (type == SNDRV_TRIDENT_VOICE_TYPE_MIDI) { + } + spin_unlock_irqrestore(&trident->voice_alloc, flags); + return NULL; +} + +EXPORT_SYMBOL(snd_trident_alloc_voice); + +void snd_trident_free_voice(struct snd_trident * trident, struct snd_trident_voice *voice) +{ + unsigned long flags; + void (*private_free)(struct snd_trident_voice *); + + if (voice == NULL || !voice->use) + return; + snd_trident_clear_voices(trident, voice->number, voice->number); + spin_lock_irqsave(&trident->voice_alloc, flags); + private_free = voice->private_free; + voice->private_free = NULL; + voice->private_data = NULL; + if (voice->pcm) + snd_trident_free_pcm_channel(trident, voice->number); + if (voice->synth) + snd_trident_free_synth_channel(trident, voice->number); + voice->use = voice->pcm = voice->synth = voice->midi = 0; + voice->capture = voice->spdif = 0; + voice->sample_ops = NULL; + voice->substream = NULL; + voice->extra = NULL; + spin_unlock_irqrestore(&trident->voice_alloc, flags); + if (private_free) + private_free(voice); +} + +EXPORT_SYMBOL(snd_trident_free_voice); + +static void snd_trident_clear_voices(struct snd_trident * trident, unsigned short v_min, unsigned short v_max) +{ + unsigned int i, val, mask[2] = { 0, 0 }; + + if (snd_BUG_ON(v_min > 63 || v_max > 63)) + return; + for (i = v_min; i <= v_max; i++) + mask[i >> 5] |= 1 << (i & 0x1f); + if (mask[0]) { + outl(mask[0], TRID_REG(trident, T4D_STOP_A)); + val = inl(TRID_REG(trident, T4D_AINTEN_A)); + outl(val & ~mask[0], TRID_REG(trident, T4D_AINTEN_A)); + } + if (mask[1]) { + outl(mask[1], TRID_REG(trident, T4D_STOP_B)); + val = inl(TRID_REG(trident, T4D_AINTEN_B)); + outl(val & ~mask[1], TRID_REG(trident, T4D_AINTEN_B)); + } +} + +#ifdef CONFIG_PM_SLEEP +static int snd_trident_suspend(struct device *dev) +{ + struct snd_card *card = dev_get_drvdata(dev); + struct snd_trident *trident = card->private_data; + + trident->in_suspend = 1; + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + snd_ac97_suspend(trident->ac97); + snd_ac97_suspend(trident->ac97_sec); + return 0; +} + +static int snd_trident_resume(struct device *dev) +{ + struct snd_card *card = dev_get_drvdata(dev); + struct snd_trident *trident = card->private_data; + + switch (trident->device) { + case TRIDENT_DEVICE_ID_DX: + snd_trident_4d_dx_init(trident); + break; + case TRIDENT_DEVICE_ID_NX: + snd_trident_4d_nx_init(trident); + break; + case TRIDENT_DEVICE_ID_SI7018: + snd_trident_sis_init(trident); + break; + } + + snd_ac97_resume(trident->ac97); + snd_ac97_resume(trident->ac97_sec); + + /* restore some registers */ + outl(trident->musicvol_wavevol, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL)); + + snd_trident_enable_eso(trident); + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + trident->in_suspend = 0; + return 0; +} + +SIMPLE_DEV_PM_OPS(snd_trident_pm, snd_trident_suspend, snd_trident_resume); +#endif /* CONFIG_PM_SLEEP */ diff --git a/sound/pci/trident/trident_memory.c b/sound/pci/trident/trident_memory.c new file mode 100644 index 000000000..05de2b9f4 --- /dev/null +++ b/sound/pci/trident/trident_memory.c @@ -0,0 +1,278 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) by Jaroslav Kysela <perex@perex.cz> + * Copyright (c) by Takashi Iwai <tiwai@suse.de> + * Copyright (c) by Scott McNab <sdm@fractalgraphics.com.au> + * + * Trident 4DWave-NX memory page allocation (TLB area) + * Trident chip can handle only 16MByte of the memory at the same time. + */ + +#include <linux/io.h> +#include <linux/pci.h> +#include <linux/time.h> +#include <linux/mutex.h> + +#include <sound/core.h> +#include "trident.h" + +/* page arguments of these two macros are Trident page (4096 bytes), not like + * aligned pages in others + */ +#define __set_tlb_bus(trident,page,addr) \ + (trident)->tlb.entries[page] = cpu_to_le32((addr) & ~(SNDRV_TRIDENT_PAGE_SIZE-1)) +#define __tlb_to_addr(trident,page) \ + (dma_addr_t)le32_to_cpu((trident->tlb.entries[page]) & ~(SNDRV_TRIDENT_PAGE_SIZE - 1)) + +#if PAGE_SIZE == 4096 +/* page size == SNDRV_TRIDENT_PAGE_SIZE */ +#define ALIGN_PAGE_SIZE PAGE_SIZE /* minimum page size for allocation */ +#define MAX_ALIGN_PAGES SNDRV_TRIDENT_MAX_PAGES /* maxmium aligned pages */ +/* fill TLB entrie(s) corresponding to page with ptr */ +#define set_tlb_bus(trident,page,addr) __set_tlb_bus(trident,page,addr) +/* fill TLB entrie(s) corresponding to page with silence pointer */ +#define set_silent_tlb(trident,page) __set_tlb_bus(trident, page, trident->tlb.silent_page->addr) +/* get aligned page from offset address */ +#define get_aligned_page(offset) ((offset) >> 12) +/* get offset address from aligned page */ +#define aligned_page_offset(page) ((page) << 12) +/* get PCI physical address from aligned page */ +#define page_to_addr(trident,page) __tlb_to_addr(trident, page) + +#elif PAGE_SIZE == 8192 +/* page size == SNDRV_TRIDENT_PAGE_SIZE x 2*/ +#define ALIGN_PAGE_SIZE PAGE_SIZE +#define MAX_ALIGN_PAGES (SNDRV_TRIDENT_MAX_PAGES / 2) +#define get_aligned_page(offset) ((offset) >> 13) +#define aligned_page_offset(page) ((page) << 13) +#define page_to_addr(trident,page) __tlb_to_addr(trident, (page) << 1) + +/* fill TLB entries -- we need to fill two entries */ +static inline void set_tlb_bus(struct snd_trident *trident, int page, + dma_addr_t addr) +{ + page <<= 1; + __set_tlb_bus(trident, page, addr); + __set_tlb_bus(trident, page+1, addr + SNDRV_TRIDENT_PAGE_SIZE); +} +static inline void set_silent_tlb(struct snd_trident *trident, int page) +{ + page <<= 1; + __set_tlb_bus(trident, page, trident->tlb.silent_page->addr); + __set_tlb_bus(trident, page+1, trident->tlb.silent_page->addr); +} + +#else +/* arbitrary size */ +#define UNIT_PAGES (PAGE_SIZE / SNDRV_TRIDENT_PAGE_SIZE) +#define ALIGN_PAGE_SIZE (SNDRV_TRIDENT_PAGE_SIZE * UNIT_PAGES) +#define MAX_ALIGN_PAGES (SNDRV_TRIDENT_MAX_PAGES / UNIT_PAGES) +/* Note: if alignment doesn't match to the maximum size, the last few blocks + * become unusable. To use such blocks, you'll need to check the validity + * of accessing page in set_tlb_bus and set_silent_tlb. search_empty() + * should also check it, too. + */ +#define get_aligned_page(offset) ((offset) / ALIGN_PAGE_SIZE) +#define aligned_page_offset(page) ((page) * ALIGN_PAGE_SIZE) +#define page_to_addr(trident,page) __tlb_to_addr(trident, (page) * UNIT_PAGES) + +/* fill TLB entries -- UNIT_PAGES entries must be filled */ +static inline void set_tlb_bus(struct snd_trident *trident, int page, + dma_addr_t addr) +{ + int i; + page *= UNIT_PAGES; + for (i = 0; i < UNIT_PAGES; i++, page++) { + __set_tlb_bus(trident, page, addr); + addr += SNDRV_TRIDENT_PAGE_SIZE; + } +} +static inline void set_silent_tlb(struct snd_trident *trident, int page) +{ + int i; + page *= UNIT_PAGES; + for (i = 0; i < UNIT_PAGES; i++, page++) + __set_tlb_bus(trident, page, trident->tlb.silent_page->addr); +} + +#endif /* PAGE_SIZE */ + +/* first and last (aligned) pages of memory block */ +#define firstpg(blk) (((struct snd_trident_memblk_arg *)snd_util_memblk_argptr(blk))->first_page) +#define lastpg(blk) (((struct snd_trident_memblk_arg *)snd_util_memblk_argptr(blk))->last_page) + +/* + * search empty pages which may contain given size + */ +static struct snd_util_memblk * +search_empty(struct snd_util_memhdr *hdr, int size) +{ + struct snd_util_memblk *blk; + int page, psize; + struct list_head *p; + + psize = get_aligned_page(size + ALIGN_PAGE_SIZE -1); + page = 0; + list_for_each(p, &hdr->block) { + blk = list_entry(p, struct snd_util_memblk, list); + if (page + psize <= firstpg(blk)) + goto __found_pages; + page = lastpg(blk) + 1; + } + if (page + psize > MAX_ALIGN_PAGES) + return NULL; + +__found_pages: + /* create a new memory block */ + blk = __snd_util_memblk_new(hdr, psize * ALIGN_PAGE_SIZE, p->prev); + if (blk == NULL) + return NULL; + blk->offset = aligned_page_offset(page); /* set aligned offset */ + firstpg(blk) = page; + lastpg(blk) = page + psize - 1; + return blk; +} + + +/* + * check if the given pointer is valid for pages + */ +static int is_valid_page(unsigned long ptr) +{ + if (ptr & ~0x3fffffffUL) { + snd_printk(KERN_ERR "max memory size is 1GB!!\n"); + return 0; + } + if (ptr & (SNDRV_TRIDENT_PAGE_SIZE-1)) { + snd_printk(KERN_ERR "page is not aligned\n"); + return 0; + } + return 1; +} + +/* + * page allocation for DMA (Scatter-Gather version) + */ +static struct snd_util_memblk * +snd_trident_alloc_sg_pages(struct snd_trident *trident, + struct snd_pcm_substream *substream) +{ + struct snd_util_memhdr *hdr; + struct snd_util_memblk *blk; + struct snd_pcm_runtime *runtime = substream->runtime; + int idx, page; + + if (snd_BUG_ON(runtime->dma_bytes <= 0 || + runtime->dma_bytes > SNDRV_TRIDENT_MAX_PAGES * + SNDRV_TRIDENT_PAGE_SIZE)) + return NULL; + hdr = trident->tlb.memhdr; + if (snd_BUG_ON(!hdr)) + return NULL; + + + + mutex_lock(&hdr->block_mutex); + blk = search_empty(hdr, runtime->dma_bytes); + if (blk == NULL) { + mutex_unlock(&hdr->block_mutex); + return NULL; + } + + /* set TLB entries */ + idx = 0; + for (page = firstpg(blk); page <= lastpg(blk); page++, idx++) { + unsigned long ofs = idx << PAGE_SHIFT; + dma_addr_t addr = snd_pcm_sgbuf_get_addr(substream, ofs); + if (! is_valid_page(addr)) { + __snd_util_mem_free(hdr, blk); + mutex_unlock(&hdr->block_mutex); + return NULL; + } + set_tlb_bus(trident, page, addr); + } + mutex_unlock(&hdr->block_mutex); + return blk; +} + +/* + * page allocation for DMA (contiguous version) + */ +static struct snd_util_memblk * +snd_trident_alloc_cont_pages(struct snd_trident *trident, + struct snd_pcm_substream *substream) +{ + struct snd_util_memhdr *hdr; + struct snd_util_memblk *blk; + int page; + struct snd_pcm_runtime *runtime = substream->runtime; + dma_addr_t addr; + + if (snd_BUG_ON(runtime->dma_bytes <= 0 || + runtime->dma_bytes > SNDRV_TRIDENT_MAX_PAGES * + SNDRV_TRIDENT_PAGE_SIZE)) + return NULL; + hdr = trident->tlb.memhdr; + if (snd_BUG_ON(!hdr)) + return NULL; + + mutex_lock(&hdr->block_mutex); + blk = search_empty(hdr, runtime->dma_bytes); + if (blk == NULL) { + mutex_unlock(&hdr->block_mutex); + return NULL; + } + + /* set TLB entries */ + addr = runtime->dma_addr; + for (page = firstpg(blk); page <= lastpg(blk); page++, + addr += SNDRV_TRIDENT_PAGE_SIZE) { + if (! is_valid_page(addr)) { + __snd_util_mem_free(hdr, blk); + mutex_unlock(&hdr->block_mutex); + return NULL; + } + set_tlb_bus(trident, page, addr); + } + mutex_unlock(&hdr->block_mutex); + return blk; +} + +/* + * page allocation for DMA + */ +struct snd_util_memblk * +snd_trident_alloc_pages(struct snd_trident *trident, + struct snd_pcm_substream *substream) +{ + if (snd_BUG_ON(!trident || !substream)) + return NULL; + if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV_SG) + return snd_trident_alloc_sg_pages(trident, substream); + else + return snd_trident_alloc_cont_pages(trident, substream); +} + + +/* + * release DMA buffer from page table + */ +int snd_trident_free_pages(struct snd_trident *trident, + struct snd_util_memblk *blk) +{ + struct snd_util_memhdr *hdr; + int page; + + if (snd_BUG_ON(!trident || !blk)) + return -EINVAL; + + hdr = trident->tlb.memhdr; + mutex_lock(&hdr->block_mutex); + /* reset TLB entries */ + for (page = firstpg(blk); page <= lastpg(blk); page++) + set_silent_tlb(trident, page); + /* free memory block */ + __snd_util_mem_free(hdr, blk); + mutex_unlock(&hdr->block_mutex); + return 0; +} |