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ens1370.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for Ensoniq ES1370/ES1371 AudioPCI soundcard
* Copyright (c) by Jaroslav Kysela <[email protected]>,
* Thomas Sailer <[email protected]>
*/
/* Power-Management-Code ( CONFIG_PM )
* for ens1371 only ( FIXME )
* derived from cs4281.c, atiixp.c and via82xx.c
* using https://www.kernel.org/doc/html/latest/sound/kernel-api/writing-an-alsa-driver.html
* by Kurt J. Bosch
*/
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/gameport.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/rawmidi.h>
#ifdef CHIP1371
#include <sound/ac97_codec.h>
#else
#include <sound/ak4531_codec.h>
#endif
#include <sound/initval.h>
#include <sound/asoundef.h>
#ifndef CHIP1371
#undef CHIP1370
#define CHIP1370
#endif
#ifdef CHIP1370
#define DRIVER_NAME "ENS1370"
#define CHIP_NAME "ES1370" /* it can be ENS but just to keep compatibility... */
#else
#define DRIVER_NAME "ENS1371"
#define CHIP_NAME "ES1371"
#endif
MODULE_AUTHOR("Jaroslav Kysela <[email protected]>, Thomas Sailer <[email protected]>");
MODULE_LICENSE("GPL");
#ifdef CHIP1370
MODULE_DESCRIPTION("Ensoniq AudioPCI ES1370");
#endif
#ifdef CHIP1371
MODULE_DESCRIPTION("Ensoniq/Creative AudioPCI ES1371+");
#endif
#if IS_REACHABLE(CONFIG_GAMEPORT)
#define SUPPORT_JOYSTICK
#endif
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 switches */
#ifdef SUPPORT_JOYSTICK
#ifdef CHIP1371
static int joystick_port[SNDRV_CARDS];
#else
static bool joystick[SNDRV_CARDS];
#endif
#endif
#ifdef CHIP1371
static int spdif[SNDRV_CARDS];
static int lineio[SNDRV_CARDS];
#endif
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Ensoniq AudioPCI soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Ensoniq AudioPCI soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Ensoniq AudioPCI soundcard.");
#ifdef SUPPORT_JOYSTICK
#ifdef CHIP1371
module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
MODULE_PARM_DESC(joystick_port, "Joystick port address.");
#else
module_param_array(joystick, bool, NULL, 0444);
MODULE_PARM_DESC(joystick, "Enable joystick.");
#endif
#endif /* SUPPORT_JOYSTICK */
#ifdef CHIP1371
module_param_array(spdif, int, NULL, 0444);
MODULE_PARM_DESC(spdif, "S/PDIF output (-1 = none, 0 = auto, 1 = force).");
module_param_array(lineio, int, NULL, 0444);
MODULE_PARM_DESC(lineio, "Line In to Rear Out (0 = auto, 1 = force).");
#endif
/* ES1371 chip ID */
/* This is a little confusing because all ES1371 compatible chips have the
same DEVICE_ID, the only thing differentiating them is the REV_ID field.
This is only significant if you want to enable features on the later parts.
Yes, I know it's stupid and why didn't we use the sub IDs?
*/
#define ES1371REV_ES1373_A 0x04
#define ES1371REV_ES1373_B 0x06
#define ES1371REV_CT5880_A 0x07
#define CT5880REV_CT5880_C 0x02
#define CT5880REV_CT5880_D 0x03 /* ??? -jk */
#define CT5880REV_CT5880_E 0x04 /* mw */
#define ES1371REV_ES1371_B 0x09
#define EV1938REV_EV1938_A 0x00
#define ES1371REV_ES1373_8 0x08
/*
* Direct registers
*/
#define ES_REG(ensoniq, x) ((ensoniq)->port + ES_REG_##x)
#define ES_REG_CONTROL 0x00 /* R/W: Interrupt/Chip select control register */
#define ES_1370_ADC_STOP (1<<31) /* disable capture buffer transfers */
#define ES_1370_XCTL1 (1<<30) /* general purpose output bit */
#define ES_1373_BYPASS_P1 (1<<31) /* bypass SRC for PB1 */
#define ES_1373_BYPASS_P2 (1<<30) /* bypass SRC for PB2 */
#define ES_1373_BYPASS_R (1<<29) /* bypass SRC for REC */
#define ES_1373_TEST_BIT (1<<28) /* should be set to 0 for normal operation */
#define ES_1373_RECEN_B (1<<27) /* mix record with playback for I2S/SPDIF out */
#define ES_1373_SPDIF_THRU (1<<26) /* 0 = SPDIF thru mode, 1 = SPDIF == dig out */
#define ES_1371_JOY_ASEL(o) (((o)&0x03)<<24)/* joystick port mapping */
#define ES_1371_JOY_ASELM (0x03<<24) /* mask for above */
#define ES_1371_JOY_ASELI(i) (((i)>>24)&0x03)
#define ES_1371_GPIO_IN(i) (((i)>>20)&0x0f)/* GPIO in [3:0] pins - R/O */
#define ES_1370_PCLKDIVO(o) (((o)&0x1fff)<<16)/* clock divide ratio for DAC2 */
#define ES_1370_PCLKDIVM ((0x1fff)<<16) /* mask for above */
#define ES_1370_PCLKDIVI(i) (((i)>>16)&0x1fff)/* clock divide ratio for DAC2 */
#define ES_1371_GPIO_OUT(o) (((o)&0x0f)<<16)/* GPIO out [3:0] pins - W/R */
#define ES_1371_GPIO_OUTM (0x0f<<16) /* mask for above */
#define ES_MSFMTSEL (1<<15) /* MPEG serial data format; 0 = SONY, 1 = I2S */
#define ES_1370_M_SBB (1<<14) /* clock source for DAC - 0 = clock generator; 1 = MPEG clocks */
#define ES_1371_SYNC_RES (1<<14) /* Warm AC97 reset */
#define ES_1370_WTSRSEL(o) (((o)&0x03)<<12)/* fixed frequency clock for DAC1 */
#define ES_1370_WTSRSELM (0x03<<12) /* mask for above */
#define ES_1371_ADC_STOP (1<<13) /* disable CCB transfer capture information */
#define ES_1371_PWR_INTRM (1<<12) /* power level change interrupts enable */
#define ES_1370_DAC_SYNC (1<<11) /* DAC's are synchronous */
#define ES_1371_M_CB (1<<11) /* capture clock source; 0 = AC'97 ADC; 1 = I2S */
#define ES_CCB_INTRM (1<<10) /* CCB voice interrupts enable */
#define ES_1370_M_CB (1<<9) /* capture clock source; 0 = ADC; 1 = MPEG */
#define ES_1370_XCTL0 (1<<8) /* generap purpose output bit */
#define ES_1371_PDLEV(o) (((o)&0x03)<<8) /* current power down level */
#define ES_1371_PDLEVM (0x03<<8) /* mask for above */
#define ES_BREQ (1<<7) /* memory bus request enable */
#define ES_DAC1_EN (1<<6) /* DAC1 playback channel enable */
#define ES_DAC2_EN (1<<5) /* DAC2 playback channel enable */
#define ES_ADC_EN (1<<4) /* ADC capture channel enable */
#define ES_UART_EN (1<<3) /* UART enable */
#define ES_JYSTK_EN (1<<2) /* Joystick module enable */
#define ES_1370_CDC_EN (1<<1) /* Codec interface enable */
#define ES_1371_XTALCKDIS (1<<1) /* Xtal clock disable */
#define ES_1370_SERR_DISABLE (1<<0) /* PCI serr signal disable */
#define ES_1371_PCICLKDIS (1<<0) /* PCI clock disable */
#define ES_REG_STATUS 0x04 /* R/O: Interrupt/Chip select status register */
#define ES_INTR (1<<31) /* Interrupt is pending */
#define ES_1371_ST_AC97_RST (1<<29) /* CT5880 AC'97 Reset bit */
#define ES_1373_REAR_BIT27 (1<<27) /* rear bits: 000 - front, 010 - mirror, 101 - separate */
#define ES_1373_REAR_BIT26 (1<<26)
#define ES_1373_REAR_BIT24 (1<<24)
#define ES_1373_GPIO_INT_EN(o)(((o)&0x0f)<<20)/* GPIO [3:0] pins - interrupt enable */
#define ES_1373_SPDIF_EN (1<<18) /* SPDIF enable */
#define ES_1373_SPDIF_TEST (1<<17) /* SPDIF test */
#define ES_1371_TEST (1<<16) /* test ASIC */
#define ES_1373_GPIO_INT(i) (((i)&0x0f)>>12)/* GPIO [3:0] pins - interrupt pending */
#define ES_1370_CSTAT (1<<10) /* CODEC is busy or register write in progress */
#define ES_1370_CBUSY (1<<9) /* CODEC is busy */
#define ES_1370_CWRIP (1<<8) /* CODEC register write in progress */
#define ES_1371_SYNC_ERR (1<<8) /* CODEC synchronization error occurred */
#define ES_1371_VC(i) (((i)>>6)&0x03) /* voice code from CCB module */
#define ES_1370_VC(i) (((i)>>5)&0x03) /* voice code from CCB module */
#define ES_1371_MPWR (1<<5) /* power level interrupt pending */
#define ES_MCCB (1<<4) /* CCB interrupt pending */
#define ES_UART (1<<3) /* UART interrupt pending */
#define ES_DAC1 (1<<2) /* DAC1 channel interrupt pending */
#define ES_DAC2 (1<<1) /* DAC2 channel interrupt pending */
#define ES_ADC (1<<0) /* ADC channel interrupt pending */
#define ES_REG_UART_DATA 0x08 /* R/W: UART data register */
#define ES_REG_UART_STATUS 0x09 /* R/O: UART status register */
#define ES_RXINT (1<<7) /* RX interrupt occurred */
#define ES_TXINT (1<<2) /* TX interrupt occurred */
#define ES_TXRDY (1<<1) /* transmitter ready */
#define ES_RXRDY (1<<0) /* receiver ready */
#define ES_REG_UART_CONTROL 0x09 /* W/O: UART control register */
#define ES_RXINTEN (1<<7) /* RX interrupt enable */
#define ES_TXINTENO(o) (((o)&0x03)<<5) /* TX interrupt enable */
#define ES_TXINTENM (0x03<<5) /* mask for above */
#define ES_TXINTENI(i) (((i)>>5)&0x03)
#define ES_CNTRL(o) (((o)&0x03)<<0) /* control */
#define ES_CNTRLM (0x03<<0) /* mask for above */
#define ES_REG_UART_RES 0x0a /* R/W: UART reserver register */
#define ES_TEST_MODE (1<<0) /* test mode enabled */
#define ES_REG_MEM_PAGE 0x0c /* R/W: Memory page register */
#define ES_MEM_PAGEO(o) (((o)&0x0f)<<0) /* memory page select - out */
#define ES_MEM_PAGEM (0x0f<<0) /* mask for above */
#define ES_MEM_PAGEI(i) (((i)>>0)&0x0f) /* memory page select - in */
#define ES_REG_1370_CODEC 0x10 /* W/O: Codec write register address */
#define ES_1370_CODEC_WRITE(a,d) ((((a)&0xff)<<8)|(((d)&0xff)<<0))
#define ES_REG_1371_CODEC 0x14 /* W/R: Codec Read/Write register address */
#define ES_1371_CODEC_RDY (1<<31) /* codec ready */
#define ES_1371_CODEC_WIP (1<<30) /* codec register access in progress */
#define EV_1938_CODEC_MAGIC (1<<26)
#define ES_1371_CODEC_PIRD (1<<23) /* codec read/write select register */
#define ES_1371_CODEC_WRITE(a,d) ((((a)&0x7f)<<16)|(((d)&0xffff)<<0))
#define ES_1371_CODEC_READS(a) ((((a)&0x7f)<<16)|ES_1371_CODEC_PIRD)
#define ES_1371_CODEC_READ(i) (((i)>>0)&0xffff)
#define ES_REG_1371_SMPRATE 0x10 /* W/R: Codec rate converter interface register */
#define ES_1371_SRC_RAM_ADDRO(o) (((o)&0x7f)<<25)/* address of the sample rate converter */
#define ES_1371_SRC_RAM_ADDRM (0x7f<<25) /* mask for above */
#define ES_1371_SRC_RAM_ADDRI(i) (((i)>>25)&0x7f)/* address of the sample rate converter */
#define ES_1371_SRC_RAM_WE (1<<24) /* R/W: read/write control for sample rate converter */
#define ES_1371_SRC_RAM_BUSY (1<<23) /* R/O: sample rate memory is busy */
#define ES_1371_SRC_DISABLE (1<<22) /* sample rate converter disable */
#define ES_1371_DIS_P1 (1<<21) /* playback channel 1 accumulator update disable */
#define ES_1371_DIS_P2 (1<<20) /* playback channel 1 accumulator update disable */
#define ES_1371_DIS_R1 (1<<19) /* capture channel accumulator update disable */
#define ES_1371_SRC_RAM_DATAO(o) (((o)&0xffff)<<0)/* current value of the sample rate converter */
#define ES_1371_SRC_RAM_DATAM (0xffff<<0) /* mask for above */
#define ES_1371_SRC_RAM_DATAI(i) (((i)>>0)&0xffff)/* current value of the sample rate converter */
#define ES_REG_1371_LEGACY 0x18 /* W/R: Legacy control/status register */
#define ES_1371_JFAST (1<<31) /* fast joystick timing */
#define ES_1371_HIB (1<<30) /* host interrupt blocking enable */
#define ES_1371_VSB (1<<29) /* SB; 0 = addr 0x220xH, 1 = 0x22FxH */
#define ES_1371_VMPUO(o) (((o)&0x03)<<27)/* base register address; 0 = 0x320xH; 1 = 0x330xH; 2 = 0x340xH; 3 = 0x350xH */
#define ES_1371_VMPUM (0x03<<27) /* mask for above */
#define ES_1371_VMPUI(i) (((i)>>27)&0x03)/* base register address */
#define ES_1371_VCDCO(o) (((o)&0x03)<<25)/* CODEC; 0 = 0x530xH; 1 = undefined; 2 = 0xe80xH; 3 = 0xF40xH */
#define ES_1371_VCDCM (0x03<<25) /* mask for above */
#define ES_1371_VCDCI(i) (((i)>>25)&0x03)/* CODEC address */
#define ES_1371_FIRQ (1<<24) /* force an interrupt */
#define ES_1371_SDMACAP (1<<23) /* enable event capture for slave DMA controller */
#define ES_1371_SPICAP (1<<22) /* enable event capture for slave IRQ controller */
#define ES_1371_MDMACAP (1<<21) /* enable event capture for master DMA controller */
#define ES_1371_MPICAP (1<<20) /* enable event capture for master IRQ controller */
#define ES_1371_ADCAP (1<<19) /* enable event capture for ADLIB register; 0x388xH */
#define ES_1371_SVCAP (1<<18) /* enable event capture for SB registers */
#define ES_1371_CDCCAP (1<<17) /* enable event capture for CODEC registers */
#define ES_1371_BACAP (1<<16) /* enable event capture for SoundScape base address */
#define ES_1371_EXI(i) (((i)>>8)&0x07) /* event number */
#define ES_1371_AI(i) (((i)>>3)&0x1f) /* event significant I/O address */
#define ES_1371_WR (1<<2) /* event capture; 0 = read; 1 = write */
#define ES_1371_LEGINT (1<<0) /* interrupt for legacy events; 0 = interrupt did occur */
#define ES_REG_CHANNEL_STATUS 0x1c /* R/W: first 32-bits from S/PDIF channel status block, es1373 */
#define ES_REG_SERIAL 0x20 /* R/W: Serial interface control register */
#define ES_1371_DAC_TEST (1<<22) /* DAC test mode enable */
#define ES_P2_END_INCO(o) (((o)&0x07)<<19)/* binary offset value to increment / loop end */
#define ES_P2_END_INCM (0x07<<19) /* mask for above */
#define ES_P2_END_INCI(i) (((i)>>16)&0x07)/* binary offset value to increment / loop end */
#define ES_P2_ST_INCO(o) (((o)&0x07)<<16)/* binary offset value to increment / start */
#define ES_P2_ST_INCM (0x07<<16) /* mask for above */
#define ES_P2_ST_INCI(i) (((i)<<16)&0x07)/* binary offset value to increment / start */
#define ES_R1_LOOP_SEL (1<<15) /* ADC; 0 - loop mode; 1 = stop mode */
#define ES_P2_LOOP_SEL (1<<14) /* DAC2; 0 - loop mode; 1 = stop mode */
#define ES_P1_LOOP_SEL (1<<13) /* DAC1; 0 - loop mode; 1 = stop mode */
#define ES_P2_PAUSE (1<<12) /* DAC2; 0 - play mode; 1 = pause mode */
#define ES_P1_PAUSE (1<<11) /* DAC1; 0 - play mode; 1 = pause mode */
#define ES_R1_INT_EN (1<<10) /* ADC interrupt enable */
#define ES_P2_INT_EN (1<<9) /* DAC2 interrupt enable */
#define ES_P1_INT_EN (1<<8) /* DAC1 interrupt enable */
#define ES_P1_SCT_RLD (1<<7) /* force sample counter reload for DAC1 */
#define ES_P2_DAC_SEN (1<<6) /* when stop mode: 0 - DAC2 play back zeros; 1 = DAC2 play back last sample */
#define ES_R1_MODEO(o) (((o)&0x03)<<4) /* ADC mode; 0 = 8-bit mono; 1 = 8-bit stereo; 2 = 16-bit mono; 3 = 16-bit stereo */
#define ES_R1_MODEM (0x03<<4) /* mask for above */
#define ES_R1_MODEI(i) (((i)>>4)&0x03)
#define ES_P2_MODEO(o) (((o)&0x03)<<2) /* DAC2 mode; -- '' -- */
#define ES_P2_MODEM (0x03<<2) /* mask for above */
#define ES_P2_MODEI(i) (((i)>>2)&0x03)
#define ES_P1_MODEO(o) (((o)&0x03)<<0) /* DAC1 mode; -- '' -- */
#define ES_P1_MODEM (0x03<<0) /* mask for above */
#define ES_P1_MODEI(i) (((i)>>0)&0x03)
#define ES_REG_DAC1_COUNT 0x24 /* R/W: DAC1 sample count register */
#define ES_REG_DAC2_COUNT 0x28 /* R/W: DAC2 sample count register */
#define ES_REG_ADC_COUNT 0x2c /* R/W: ADC sample count register */
#define ES_REG_CURR_COUNT(i) (((i)>>16)&0xffff)
#define ES_REG_COUNTO(o) (((o)&0xffff)<<0)
#define ES_REG_COUNTM (0xffff<<0)
#define ES_REG_COUNTI(i) (((i)>>0)&0xffff)
#define ES_REG_DAC1_FRAME 0x30 /* R/W: PAGE 0x0c; DAC1 frame address */
#define ES_REG_DAC1_SIZE 0x34 /* R/W: PAGE 0x0c; DAC1 frame size */
#define ES_REG_DAC2_FRAME 0x38 /* R/W: PAGE 0x0c; DAC2 frame address */
#define ES_REG_DAC2_SIZE 0x3c /* R/W: PAGE 0x0c; DAC2 frame size */
#define ES_REG_ADC_FRAME 0x30 /* R/W: PAGE 0x0d; ADC frame address */
#define ES_REG_ADC_SIZE 0x34 /* R/W: PAGE 0x0d; ADC frame size */
#define ES_REG_FCURR_COUNTO(o) (((o)&0xffff)<<16)
#define ES_REG_FCURR_COUNTM (0xffff<<16)
#define ES_REG_FCURR_COUNTI(i) (((i)>>14)&0x3fffc)
#define ES_REG_FSIZEO(o) (((o)&0xffff)<<0)
#define ES_REG_FSIZEM (0xffff<<0)
#define ES_REG_FSIZEI(i) (((i)>>0)&0xffff)
#define ES_REG_PHANTOM_FRAME 0x38 /* R/W: PAGE 0x0d: phantom frame address */
#define ES_REG_PHANTOM_COUNT 0x3c /* R/W: PAGE 0x0d: phantom frame count */
#define ES_REG_UART_FIFO 0x30 /* R/W: PAGE 0x0e; UART FIFO register */
#define ES_REG_UF_VALID (1<<8)
#define ES_REG_UF_BYTEO(o) (((o)&0xff)<<0)
#define ES_REG_UF_BYTEM (0xff<<0)
#define ES_REG_UF_BYTEI(i) (((i)>>0)&0xff)
/*
* Pages
*/
#define ES_PAGE_DAC 0x0c
#define ES_PAGE_ADC 0x0d
#define ES_PAGE_UART 0x0e
#define ES_PAGE_UART1 0x0f
/*
* Sample rate converter addresses
*/
#define ES_SMPREG_DAC1 0x70
#define ES_SMPREG_DAC2 0x74
#define ES_SMPREG_ADC 0x78
#define ES_SMPREG_VOL_ADC 0x6c
#define ES_SMPREG_VOL_DAC1 0x7c
#define ES_SMPREG_VOL_DAC2 0x7e
#define ES_SMPREG_TRUNC_N 0x00
#define ES_SMPREG_INT_REGS 0x01
#define ES_SMPREG_ACCUM_FRAC 0x02
#define ES_SMPREG_VFREQ_FRAC 0x03
/*
* Some contants
*/
#define ES_1370_SRCLOCK 1411200
#define ES_1370_SRTODIV(x) (ES_1370_SRCLOCK/(x)-2)
/*
* Open modes
*/
#define ES_MODE_PLAY1 0x0001
#define ES_MODE_PLAY2 0x0002
#define ES_MODE_CAPTURE 0x0004
#define ES_MODE_OUTPUT 0x0001 /* for MIDI */
#define ES_MODE_INPUT 0x0002 /* for MIDI */
/*
*/
struct ensoniq {
spinlock_t reg_lock;
struct mutex src_mutex;
int irq;
unsigned long playback1size;
unsigned long playback2size;
unsigned long capture3size;
unsigned long port;
unsigned int mode;
unsigned int uartm; /* UART mode */
unsigned int ctrl; /* control register */
unsigned int sctrl; /* serial control register */
unsigned int cssr; /* control status register */
unsigned int uartc; /* uart control register */
unsigned int rev; /* chip revision */
union {
#ifdef CHIP1371
struct {
struct snd_ac97 *ac97;
} es1371;
#else
struct {
int pclkdiv_lock;
struct snd_ak4531 *ak4531;
} es1370;
#endif
} u;
struct pci_dev *pci;
struct snd_card *card;
struct snd_pcm *pcm1; /* DAC1/ADC PCM */
struct snd_pcm *pcm2; /* DAC2 PCM */
struct snd_pcm_substream *playback1_substream;
struct snd_pcm_substream *playback2_substream;
struct snd_pcm_substream *capture_substream;
unsigned int p1_dma_size;
unsigned int p2_dma_size;
unsigned int c_dma_size;
unsigned int p1_period_size;
unsigned int p2_period_size;
unsigned int c_period_size;
struct snd_rawmidi *rmidi;
struct snd_rawmidi_substream *midi_input;
struct snd_rawmidi_substream *midi_output;
unsigned int spdif;
unsigned int spdif_default;
unsigned int spdif_stream;
#ifdef CHIP1370
struct snd_dma_buffer *dma_bug;
#endif
#ifdef SUPPORT_JOYSTICK
struct gameport *gameport;
#endif
};
static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id);
static const struct pci_device_id snd_audiopci_ids[] = {
#ifdef CHIP1370
{ PCI_VDEVICE(ENSONIQ, 0x5000), 0, }, /* ES1370 */
#endif
#ifdef CHIP1371
{ PCI_VDEVICE(ENSONIQ, 0x1371), 0, }, /* ES1371 */
{ PCI_VDEVICE(ENSONIQ, 0x5880), 0, }, /* ES1373 - CT5880 */
{ PCI_VDEVICE(ECTIVA, 0x8938), 0, }, /* Ectiva EV1938 */
#endif
{ 0, }
};
MODULE_DEVICE_TABLE(pci, snd_audiopci_ids);
/*
* constants
*/
#define POLL_COUNT 0xa000
#ifdef CHIP1370
static const unsigned int snd_es1370_fixed_rates[] =
{5512, 11025, 22050, 44100};
static const struct snd_pcm_hw_constraint_list snd_es1370_hw_constraints_rates = {
.count = 4,
.list = snd_es1370_fixed_rates,
.mask = 0,
};
static const struct snd_ratnum es1370_clock = {
.num = ES_1370_SRCLOCK,
.den_min = 29,
.den_max = 353,
.den_step = 1,
};
static const struct snd_pcm_hw_constraint_ratnums snd_es1370_hw_constraints_clock = {
.nrats = 1,
.rats = &es1370_clock,
};
#else
static const struct snd_ratden es1371_dac_clock = {
.num_min = 3000 * (1 << 15),
.num_max = 48000 * (1 << 15),
.num_step = 3000,
.den = 1 << 15,
};
static const struct snd_pcm_hw_constraint_ratdens snd_es1371_hw_constraints_dac_clock = {
.nrats = 1,
.rats = &es1371_dac_clock,
};
static const struct snd_ratnum es1371_adc_clock = {
.num = 48000 << 15,
.den_min = 32768,
.den_max = 393216,
.den_step = 1,
};
static const struct snd_pcm_hw_constraint_ratnums snd_es1371_hw_constraints_adc_clock = {
.nrats = 1,
.rats = &es1371_adc_clock,
};
#endif
static const unsigned int snd_ensoniq_sample_shift[] =
{0, 1, 1, 2};
/*
* common I/O routines
*/
#ifdef CHIP1371
static unsigned int snd_es1371_wait_src_ready(struct ensoniq * ensoniq)
{
unsigned int t, r = 0;
for (t = 0; t < POLL_COUNT; t++) {
r = inl(ES_REG(ensoniq, 1371_SMPRATE));
if ((r & ES_1371_SRC_RAM_BUSY) == 0)
return r;
cond_resched();
}
dev_err(ensoniq->card->dev, "wait src ready timeout 0x%lx [0x%x]\n",
ES_REG(ensoniq, 1371_SMPRATE), r);
return 0;
}
static unsigned int snd_es1371_src_read(struct ensoniq * ensoniq, unsigned short reg)
{
unsigned int temp, i, orig, r;
/* wait for ready */
temp = orig = snd_es1371_wait_src_ready(ensoniq);
/* expose the SRC state bits */
r = temp & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
ES_1371_DIS_P2 | ES_1371_DIS_R1);
r |= ES_1371_SRC_RAM_ADDRO(reg) | 0x10000;
outl(r, ES_REG(ensoniq, 1371_SMPRATE));
/* now, wait for busy and the correct time to read */
temp = snd_es1371_wait_src_ready(ensoniq);
if ((temp & 0x00870000) != 0x00010000) {
/* wait for the right state */
for (i = 0; i < POLL_COUNT; i++) {
temp = inl(ES_REG(ensoniq, 1371_SMPRATE));
if ((temp & 0x00870000) == 0x00010000)
break;
}
}
/* hide the state bits */
r = orig & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
ES_1371_DIS_P2 | ES_1371_DIS_R1);
r |= ES_1371_SRC_RAM_ADDRO(reg);
outl(r, ES_REG(ensoniq, 1371_SMPRATE));
return temp;
}
static void snd_es1371_src_write(struct ensoniq * ensoniq,
unsigned short reg, unsigned short data)
{
unsigned int r;
r = snd_es1371_wait_src_ready(ensoniq) &
(ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
ES_1371_DIS_P2 | ES_1371_DIS_R1);
r |= ES_1371_SRC_RAM_ADDRO(reg) | ES_1371_SRC_RAM_DATAO(data);
outl(r | ES_1371_SRC_RAM_WE, ES_REG(ensoniq, 1371_SMPRATE));
}
#endif /* CHIP1371 */
#ifdef CHIP1370
static void snd_es1370_codec_write(struct snd_ak4531 *ak4531,
unsigned short reg, unsigned short val)
{
struct ensoniq *ensoniq = ak4531->private_data;
unsigned long end_time = jiffies + HZ / 10;
#if 0
dev_dbg(ensoniq->card->dev,
"CODEC WRITE: reg = 0x%x, val = 0x%x (0x%x), creg = 0x%x\n",
reg, val, ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
#endif
do {
if (!(inl(ES_REG(ensoniq, STATUS)) & ES_1370_CSTAT)) {
outw(ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
return;
}
schedule_timeout_uninterruptible(1);
} while (time_after(end_time, jiffies));
dev_err(ensoniq->card->dev, "codec write timeout, status = 0x%x\n",
inl(ES_REG(ensoniq, STATUS)));
}
#endif /* CHIP1370 */
#ifdef CHIP1371
static inline bool is_ev1938(struct ensoniq *ensoniq)
{
return ensoniq->pci->device == 0x8938;
}
static void snd_es1371_codec_write(struct snd_ac97 *ac97,
unsigned short reg, unsigned short val)
{
struct ensoniq *ensoniq = ac97->private_data;
unsigned int t, x, flag;
flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0;
mutex_lock(&ensoniq->src_mutex);
for (t = 0; t < POLL_COUNT; t++) {
if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
/* save the current state for latter */
x = snd_es1371_wait_src_ready(ensoniq);
outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
ES_REG(ensoniq, 1371_SMPRATE));
/* wait for not busy (state 0) first to avoid
transition states */
for (t = 0; t < POLL_COUNT; t++) {
if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
0x00000000)
break;
}
/* wait for a SAFE time to write addr/data and then do it, dammit */
for (t = 0; t < POLL_COUNT; t++) {
if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
0x00010000)
break;
}
outl(ES_1371_CODEC_WRITE(reg, val) | flag,
ES_REG(ensoniq, 1371_CODEC));
/* restore SRC reg */
snd_es1371_wait_src_ready(ensoniq);
outl(x, ES_REG(ensoniq, 1371_SMPRATE));
mutex_unlock(&ensoniq->src_mutex);
return;
}
}
mutex_unlock(&ensoniq->src_mutex);
dev_err(ensoniq->card->dev, "codec write timeout at 0x%lx [0x%x]\n",
ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
}
static unsigned short snd_es1371_codec_read(struct snd_ac97 *ac97,
unsigned short reg)
{
struct ensoniq *ensoniq = ac97->private_data;
unsigned int t, x, flag, fail = 0;
flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0;
__again:
mutex_lock(&ensoniq->src_mutex);
for (t = 0; t < POLL_COUNT; t++) {
if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
/* save the current state for latter */
x = snd_es1371_wait_src_ready(ensoniq);
outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
ES_REG(ensoniq, 1371_SMPRATE));
/* wait for not busy (state 0) first to avoid
transition states */
for (t = 0; t < POLL_COUNT; t++) {
if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
0x00000000)
break;
}
/* wait for a SAFE time to write addr/data and then do it, dammit */
for (t = 0; t < POLL_COUNT; t++) {
if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
0x00010000)
break;
}
outl(ES_1371_CODEC_READS(reg) | flag,
ES_REG(ensoniq, 1371_CODEC));
/* restore SRC reg */
snd_es1371_wait_src_ready(ensoniq);
outl(x, ES_REG(ensoniq, 1371_SMPRATE));
/* wait for WIP again */
for (t = 0; t < POLL_COUNT; t++) {
if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP))
break;
}
/* now wait for the stinkin' data (RDY) */
for (t = 0; t < POLL_COUNT; t++) {
x = inl(ES_REG(ensoniq, 1371_CODEC));
if (x & ES_1371_CODEC_RDY) {
if (is_ev1938(ensoniq)) {
for (t = 0; t < 100; t++)
inl(ES_REG(ensoniq, CONTROL));
x = inl(ES_REG(ensoniq, 1371_CODEC));
}
mutex_unlock(&ensoniq->src_mutex);
return ES_1371_CODEC_READ(x);
}
}
mutex_unlock(&ensoniq->src_mutex);
if (++fail > 10) {
dev_err(ensoniq->card->dev,
"codec read timeout (final) at 0x%lx, reg = 0x%x [0x%x]\n",
ES_REG(ensoniq, 1371_CODEC), reg,
inl(ES_REG(ensoniq, 1371_CODEC)));
return 0;
}
goto __again;
}
}
mutex_unlock(&ensoniq->src_mutex);
dev_err(ensoniq->card->dev, "codec read timeout at 0x%lx [0x%x]\n",
ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
return 0;
}
static void snd_es1371_codec_wait(struct snd_ac97 *ac97)
{
msleep(750);
snd_es1371_codec_read(ac97, AC97_RESET);
snd_es1371_codec_read(ac97, AC97_VENDOR_ID1);
snd_es1371_codec_read(ac97, AC97_VENDOR_ID2);
msleep(50);
}
static void snd_es1371_adc_rate(struct ensoniq * ensoniq, unsigned int rate)
{
unsigned int n, truncm, freq;
mutex_lock(&ensoniq->src_mutex);
n = rate / 3000;
if ((1 << n) & ((1 << 15) | (1 << 13) | (1 << 11) | (1 << 9)))
n--;
truncm = (21 * n - 1) | 1;
freq = ((48000UL << 15) / rate) * n;
if (rate >= 24000) {
if (truncm > 239)
truncm = 239;
snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
(((239 - truncm) >> 1) << 9) | (n << 4));
} else {
if (truncm > 119)
truncm = 119;
snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4));
}
snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_INT_REGS,
(snd_es1371_src_read(ensoniq, ES_SMPREG_ADC +
ES_SMPREG_INT_REGS) & 0x00ff) |
((freq >> 5) & 0xfc00));
snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, n << 8);
snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, n << 8);
mutex_unlock(&ensoniq->src_mutex);
}
static void snd_es1371_dac1_rate(struct ensoniq * ensoniq, unsigned int rate)
{
unsigned int freq, r;
mutex_lock(&ensoniq->src_mutex);
freq = DIV_ROUND_CLOSEST(rate << 15, 3000);
r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
ES_1371_DIS_P2 | ES_1371_DIS_R1)) |
ES_1371_DIS_P1;
outl(r, ES_REG(ensoniq, 1371_SMPRATE));
snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS,
(snd_es1371_src_read(ensoniq, ES_SMPREG_DAC1 +
ES_SMPREG_INT_REGS) & 0x00ff) |
((freq >> 5) & 0xfc00));
snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
ES_1371_DIS_P2 | ES_1371_DIS_R1));
outl(r, ES_REG(ensoniq, 1371_SMPRATE));
mutex_unlock(&ensoniq->src_mutex);
}
static void snd_es1371_dac2_rate(struct ensoniq * ensoniq, unsigned int rate)
{
unsigned int freq, r;
mutex_lock(&ensoniq->src_mutex);
freq = DIV_ROUND_CLOSEST(rate << 15, 3000);
r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
ES_1371_DIS_P1 | ES_1371_DIS_R1)) |
ES_1371_DIS_P2;
outl(r, ES_REG(ensoniq, 1371_SMPRATE));
snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS,
(snd_es1371_src_read(ensoniq, ES_SMPREG_DAC2 +
ES_SMPREG_INT_REGS) & 0x00ff) |
((freq >> 5) & 0xfc00));
snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_VFREQ_FRAC,
freq & 0x7fff);
r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
ES_1371_DIS_P1 | ES_1371_DIS_R1));
outl(r, ES_REG(ensoniq, 1371_SMPRATE));
mutex_unlock(&ensoniq->src_mutex);
}
#endif /* CHIP1371 */
static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
switch (cmd) {
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
{
unsigned int what = 0;
struct snd_pcm_substream *s;
snd_pcm_group_for_each_entry(s, substream) {
if (s == ensoniq->playback1_substream) {
what |= ES_P1_PAUSE;
snd_pcm_trigger_done(s, substream);
} else if (s == ensoniq->playback2_substream) {
what |= ES_P2_PAUSE;
snd_pcm_trigger_done(s, substream);
} else if (s == ensoniq->capture_substream)
return -EINVAL;
}
spin_lock(&ensoniq->reg_lock);
if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
ensoniq->sctrl |= what;
else
ensoniq->sctrl &= ~what;
outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
spin_unlock(&ensoniq->reg_lock);
break;
}
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_STOP:
{
unsigned int what = 0;
struct snd_pcm_substream *s;
snd_pcm_group_for_each_entry(s, substream) {
if (s == ensoniq->playback1_substream) {
what |= ES_DAC1_EN;
snd_pcm_trigger_done(s, substream);
} else if (s == ensoniq->playback2_substream) {
what |= ES_DAC2_EN;
snd_pcm_trigger_done(s, substream);
} else if (s == ensoniq->capture_substream) {
what |= ES_ADC_EN;
snd_pcm_trigger_done(s, substream);
}
}
spin_lock(&ensoniq->reg_lock);
if (cmd == SNDRV_PCM_TRIGGER_START)
ensoniq->ctrl |= what;
else
ensoniq->ctrl &= ~what;
outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
spin_unlock(&ensoniq->reg_lock);
break;
}
default:
return -EINVAL;
}
return 0;
}
/*
* PCM part
*/
static int snd_ensoniq_playback1_prepare(struct snd_pcm_substream *substream)
{
struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int mode = 0;
ensoniq->p1_dma_size = snd_pcm_lib_buffer_bytes(substream);
ensoniq->p1_period_size = snd_pcm_lib_period_bytes(substream);
if (snd_pcm_format_width(runtime->format) == 16)
mode |= 0x02;
if (runtime->channels > 1)
mode |= 0x01;
spin_lock_irq(&ensoniq->reg_lock);
ensoniq->ctrl &= ~ES_DAC1_EN;
#ifdef CHIP1371
/* 48k doesn't need SRC (it breaks AC3-passthru) */
if (runtime->rate == 48000)
ensoniq->ctrl |= ES_1373_BYPASS_P1;
else
ensoniq->ctrl &= ~ES_1373_BYPASS_P1;
#endif
outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
outl(runtime->dma_addr, ES_REG(ensoniq, DAC1_FRAME));
outl((ensoniq->p1_dma_size >> 2) - 1, ES_REG(ensoniq, DAC1_SIZE));
ensoniq->sctrl &= ~(ES_P1_LOOP_SEL | ES_P1_PAUSE | ES_P1_SCT_RLD | ES_P1_MODEM);
ensoniq->sctrl |= ES_P1_INT_EN | ES_P1_MODEO(mode);
outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
outl((ensoniq->p1_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
ES_REG(ensoniq, DAC1_COUNT));
#ifdef CHIP1370
ensoniq->ctrl &= ~ES_1370_WTSRSELM;
switch (runtime->rate) {
case 5512: ensoniq->ctrl |= ES_1370_WTSRSEL(0); break;
case 11025: ensoniq->ctrl |= ES_1370_WTSRSEL(1); break;
case 22050: ensoniq->ctrl |= ES_1370_WTSRSEL(2); break;
case 44100: ensoniq->ctrl |= ES_1370_WTSRSEL(3); break;
default: snd_BUG();
}
#endif
outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
spin_unlock_irq(&ensoniq->reg_lock);
#ifndef CHIP1370
snd_es1371_dac1_rate(ensoniq, runtime->rate);
#endif
return 0;
}
static int snd_ensoniq_playback2_prepare(struct snd_pcm_substream *substream)
{
struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int mode = 0;
ensoniq->p2_dma_size = snd_pcm_lib_buffer_bytes(substream);
ensoniq->p2_period_size = snd_pcm_lib_period_bytes(substream);
if (snd_pcm_format_width(runtime->format) == 16)
mode |= 0x02;
if (runtime->channels > 1)
mode |= 0x01;
spin_lock_irq(&ensoniq->reg_lock);
ensoniq->ctrl &= ~ES_DAC2_EN;
outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
outl(runtime->dma_addr, ES_REG(ensoniq, DAC2_FRAME));
outl((ensoniq->p2_dma_size >> 2) - 1, ES_REG(ensoniq, DAC2_SIZE));
ensoniq->sctrl &= ~(ES_P2_LOOP_SEL | ES_P2_PAUSE | ES_P2_DAC_SEN |
ES_P2_END_INCM | ES_P2_ST_INCM | ES_P2_MODEM);
ensoniq->sctrl |= ES_P2_INT_EN | ES_P2_MODEO(mode) |
ES_P2_END_INCO(mode & 2 ? 2 : 1) | ES_P2_ST_INCO(0);
outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
outl((ensoniq->p2_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
ES_REG(ensoniq, DAC2_COUNT));
#ifdef CHIP1370
if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_CAPTURE)) {
ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_PLAY2;
}
#endif
outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
spin_unlock_irq(&ensoniq->reg_lock);
#ifndef CHIP1370
snd_es1371_dac2_rate(ensoniq, runtime->rate);
#endif
return 0;
}
static int snd_ensoniq_capture_prepare(struct snd_pcm_substream *substream)
{
struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int mode = 0;
ensoniq->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
ensoniq->c_period_size = snd_pcm_lib_period_bytes(substream);
if (snd_pcm_format_width(runtime->format) == 16)
mode |= 0x02;
if (runtime->channels > 1)
mode |= 0x01;
spin_lock_irq(&ensoniq->reg_lock);
ensoniq->ctrl &= ~ES_ADC_EN;
outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
outl(runtime->dma_addr, ES_REG(ensoniq, ADC_FRAME));
outl((ensoniq->c_dma_size >> 2) - 1, ES_REG(ensoniq, ADC_SIZE));
ensoniq->sctrl &= ~(ES_R1_LOOP_SEL | ES_R1_MODEM);
ensoniq->sctrl |= ES_R1_INT_EN | ES_R1_MODEO(mode);
outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
outl((ensoniq->c_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
ES_REG(ensoniq, ADC_COUNT));
#ifdef CHIP1370
if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_PLAY2)) {
ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_CAPTURE;
}
#endif
outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
spin_unlock_irq(&ensoniq->reg_lock);
#ifndef CHIP1370
snd_es1371_adc_rate(ensoniq, runtime->rate);
#endif
return 0;
}
static snd_pcm_uframes_t snd_ensoniq_playback1_pointer(struct snd_pcm_substream *substream)
{
struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
size_t ptr;
spin_lock(&ensoniq->reg_lock);
if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC1_EN) {
outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC1_SIZE)));
ptr = bytes_to_frames(substream->runtime, ptr);
} else {
ptr = 0;
}
spin_unlock(&ensoniq->reg_lock);
return ptr;
}
static snd_pcm_uframes_t snd_ensoniq_playback2_pointer(struct snd_pcm_substream *substream)
{
struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
size_t ptr;
spin_lock(&ensoniq->reg_lock);