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Diffstat (limited to 'sound/oss/es1370.c')
| -rw-r--r-- | sound/oss/es1370.c | 2789 |
1 files changed, 2789 insertions, 0 deletions
diff --git a/sound/oss/es1370.c b/sound/oss/es1370.c new file mode 100644 index 000000000000..056091cff266 --- /dev/null +++ b/sound/oss/es1370.c @@ -0,0 +1,2789 @@ +/*****************************************************************************/ + +/* + * es1370.c -- Ensoniq ES1370/Asahi Kasei AK4531 audio driver. + * + * Copyright (C) 1998-2001, 2003 Thomas Sailer (t.sailer@alumni.ethz.ch) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Special thanks to David C. Niemi + * + * + * Module command line parameters: + * lineout if 1 the LINE jack is used as an output instead of an input. + * LINE then contains the unmixed dsp output. This can be used + * to make the card a four channel one: use dsp to output two + * channels to LINE and dac to output the other two channels to + * SPKR. Set the mixer to only output synth to SPKR. + * micbias sets the +5V bias to the mic if using an electretmic. + * + * + * Note: sync mode is not yet supported (i.e. running dsp and dac from the same + * clock source) + * + * Supported devices: + * /dev/dsp standard /dev/dsp device, (mostly) OSS compatible + * /dev/mixer standard /dev/mixer device, (mostly) OSS compatible + * /dev/dsp1 additional DAC, like /dev/dsp, but output only, + * only 5512, 11025, 22050 and 44100 samples/s, + * outputs to mixer "SYNTH" setting + * /dev/midi simple MIDI UART interface, no ioctl + * + * NOTE: the card does not have any FM/Wavetable synthesizer, it is supposed + * to be done in software. That is what /dev/dac is for. By now (Q2 1998) + * there are several MIDI to PCM (WAV) packages, one of them is timidity. + * + * Revision history + * 26.03.1998 0.1 Initial release + * 31.03.1998 0.2 Fix bug in GETOSPACE + * 04.04.1998 0.3 Make it work (again) under 2.0.33 + * Fix mixer write operation not returning the actual + * settings + * 05.04.1998 0.4 First attempt at using the new PCI stuff + * 29.04.1998 0.5 Fix hang when ^C is pressed on amp + * 07.05.1998 0.6 Don't double lock around stop_*() in *_release() + * 10.05.1998 0.7 First stab at a simple midi interface (no bells&whistles) + * 14.05.1998 0.8 Don't allow excessive interrupt rates + * 08.06.1998 0.9 First release using Alan Cox' soundcore instead of + * miscdevice + * 05.07.1998 0.10 Fixed the driver to correctly maintin OSS style volume + * settings (not sure if this should be standard) + * Fixed many references: f_flags should be f_mode + * -- Gerald Britton <gbritton@mit.edu> + * 03.08.1998 0.11 Now mixer behaviour can basically be selected between + * "OSS documented" and "OSS actual" behaviour + * Fixed mixer table thanks to Hakan.Lennestal@lu.erisoft.se + * On module startup, set DAC2 to 11kSPS instead of 5.5kSPS, + * as it produces an annoying ssssh in the lower sampling rate + * Do not include modversions.h + * 22.08.1998 0.12 Mixer registers actually have 5 instead of 4 bits + * pointed out by Itai Nahshon + * 31.08.1998 0.13 Fix realplayer problems - dac.count issues + * 08.10.1998 0.14 Joystick support fixed + * -- Oliver Neukum <c188@org.chemie.uni-muenchen.de> + * 10.12.1998 0.15 Fix drain_dac trying to wait on not yet initialized DMA + * 16.12.1998 0.16 Don't wake up app until there are fragsize bytes to read/write + * 06.01.1999 0.17 remove the silly SA_INTERRUPT flag. + * hopefully killed the egcs section type conflict + * 12.03.1999 0.18 cinfo.blocks should be reset after GETxPTR ioctl. + * reported by Johan Maes <joma@telindus.be> + * 22.03.1999 0.19 return EAGAIN instead of EBUSY when O_NONBLOCK + * read/write cannot be executed + * 07.04.1999 0.20 implemented the following ioctl's: SOUND_PCM_READ_RATE, + * SOUND_PCM_READ_CHANNELS, SOUND_PCM_READ_BITS; + * Alpha fixes reported by Peter Jones <pjones@redhat.com> + * Note: joystick address handling might still be wrong on archs + * other than i386 + * 10.05.1999 0.21 Added support for an electret mic for SB PCI64 + * to the Linux kernel sound driver. This mod also straighten + * out the question marks around the mic impedance setting + * (micz). From Kim.Berts@fisub.mail.abb.com + * 11.05.1999 0.22 Implemented the IMIX call to mute recording monitor. + * Guenter Geiger <geiger@epy.co.at> + * 15.06.1999 0.23 Fix bad allocation bug. + * Thanks to Deti Fliegl <fliegl@in.tum.de> + * 28.06.1999 0.24 Add pci_set_master + * 02.08.1999 0.25 Added workaround for the "phantom write" bug first + * documented by Dave Sharpless from Anchor Games + * 03.08.1999 0.26 adapt to Linus' new __setup/__initcall + * added kernel command line option "es1370=joystick[,lineout[,micbias]]" + * removed CONFIG_SOUND_ES1370_JOYPORT_BOOT kludge + * 12.08.1999 0.27 module_init/__setup fixes + * 19.08.1999 0.28 SOUND_MIXER_IMIX fixes, reported by Gianluca <gialluca@mail.tiscalinet.it> + * 31.08.1999 0.29 add spin_lock_init + * replaced current->state = x with set_current_state(x) + * 03.09.1999 0.30 change read semantics for MIDI to match + * OSS more closely; remove possible wakeup race + * 28.10.1999 0.31 More waitqueue races fixed + * 08.01.2000 0.32 Prevent some ioctl's from returning bad count values on underrun/overrun; + * Tim Janik's BSE (Bedevilled Sound Engine) found this + * 07.02.2000 0.33 Use pci_alloc_consistent and pci_register_driver + * 21.11.2000 0.34 Initialize dma buffers in poll, otherwise poll may return a bogus mask + * 12.12.2000 0.35 More dma buffer initializations, patch from + * Tjeerd Mulder <tjeerd.mulder@fujitsu-siemens.com> + * 07.01.2001 0.36 Timeout change in wrcodec as requested by Frank Klemm <pfk@fuchs.offl.uni-jena.de> + * 31.01.2001 0.37 Register/Unregister gameport + * Fix SETTRIGGER non OSS API conformity + * 03.01.2003 0.38 open_mode fixes from Georg Acher <acher@in.tum.de> + * + * some important things missing in Ensoniq documentation: + * + * Experimental PCLKDIV results: play the same waveforms on both DAC1 and DAC2 + * and vary PCLKDIV to obtain zero beat. + * 5512sps: 254 + * 44100sps: 30 + * seems to be fs = 1411200/(PCLKDIV+2) + * + * should find out when curr_sample_ct is cleared and + * where exactly the CCB fetches data + * + * The card uses a 22.5792 MHz crystal. + * The LINEIN jack may be converted to an AOUT jack by + * setting pin 47 (XCTL0) of the ES1370 to high. + * Pin 48 (XCTL1) of the ES1370 sets the +5V bias for an electretmic + * + * + */ + +/*****************************************************************************/ + +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/ioport.h> +#include <linux/sched.h> +#include <linux/delay.h> +#include <linux/sound.h> +#include <linux/slab.h> +#include <linux/soundcard.h> +#include <linux/pci.h> +#include <linux/smp_lock.h> +#include <linux/init.h> +#include <linux/poll.h> +#include <linux/spinlock.h> +#include <linux/gameport.h> +#include <linux/wait.h> + +#include <asm/io.h> +#include <asm/page.h> +#include <asm/uaccess.h> + +/* --------------------------------------------------------------------- */ + +#undef OSS_DOCUMENTED_MIXER_SEMANTICS +#define DBG(x) {} +/*#define DBG(x) {x}*/ + +/* --------------------------------------------------------------------- */ + +#ifndef PCI_VENDOR_ID_ENSONIQ +#define PCI_VENDOR_ID_ENSONIQ 0x1274 +#endif + +#ifndef PCI_DEVICE_ID_ENSONIQ_ES1370 +#define PCI_DEVICE_ID_ENSONIQ_ES1370 0x5000 +#endif + +#define ES1370_MAGIC ((PCI_VENDOR_ID_ENSONIQ<<16)|PCI_DEVICE_ID_ENSONIQ_ES1370) + +#define ES1370_EXTENT 0x40 +#define JOY_EXTENT 8 + +#define ES1370_REG_CONTROL 0x00 +#define ES1370_REG_STATUS 0x04 +#define ES1370_REG_UART_DATA 0x08 +#define ES1370_REG_UART_STATUS 0x09 +#define ES1370_REG_UART_CONTROL 0x09 +#define ES1370_REG_UART_TEST 0x0a +#define ES1370_REG_MEMPAGE 0x0c +#define ES1370_REG_CODEC 0x10 +#define ES1370_REG_SERIAL_CONTROL 0x20 +#define ES1370_REG_DAC1_SCOUNT 0x24 +#define ES1370_REG_DAC2_SCOUNT 0x28 +#define ES1370_REG_ADC_SCOUNT 0x2c + +#define ES1370_REG_DAC1_FRAMEADR 0xc30 +#define ES1370_REG_DAC1_FRAMECNT 0xc34 +#define ES1370_REG_DAC2_FRAMEADR 0xc38 +#define ES1370_REG_DAC2_FRAMECNT 0xc3c +#define ES1370_REG_ADC_FRAMEADR 0xd30 +#define ES1370_REG_ADC_FRAMECNT 0xd34 +#define ES1370_REG_PHANTOM_FRAMEADR 0xd38 +#define ES1370_REG_PHANTOM_FRAMECNT 0xd3c + +#define ES1370_FMT_U8_MONO 0 +#define ES1370_FMT_U8_STEREO 1 +#define ES1370_FMT_S16_MONO 2 +#define ES1370_FMT_S16_STEREO 3 +#define ES1370_FMT_STEREO 1 +#define ES1370_FMT_S16 2 +#define ES1370_FMT_MASK 3 + +static const unsigned sample_size[] = { 1, 2, 2, 4 }; +static const unsigned sample_shift[] = { 0, 1, 1, 2 }; + +static const unsigned dac1_samplerate[] = { 5512, 11025, 22050, 44100 }; + +#define DAC2_SRTODIV(x) (((1411200+(x)/2)/(x))-2) +#define DAC2_DIVTOSR(x) (1411200/((x)+2)) + +#define CTRL_ADC_STOP 0x80000000 /* 1 = ADC stopped */ +#define CTRL_XCTL1 0x40000000 /* electret mic bias */ +#define CTRL_OPEN 0x20000000 /* no function, can be read and written */ +#define CTRL_PCLKDIV 0x1fff0000 /* ADC/DAC2 clock divider */ +#define CTRL_SH_PCLKDIV 16 +#define CTRL_MSFMTSEL 0x00008000 /* MPEG serial data fmt: 0 = Sony, 1 = I2S */ +#define CTRL_M_SBB 0x00004000 /* DAC2 clock: 0 = PCLKDIV, 1 = MPEG */ +#define CTRL_WTSRSEL 0x00003000 /* DAC1 clock freq: 0=5512, 1=11025, 2=22050, 3=44100 */ +#define CTRL_SH_WTSRSEL 12 +#define CTRL_DAC_SYNC 0x00000800 /* 1 = DAC2 runs off DAC1 clock */ +#define CTRL_CCB_INTRM 0x00000400 /* 1 = CCB "voice" ints enabled */ +#define CTRL_M_CB 0x00000200 /* recording source: 0 = ADC, 1 = MPEG */ +#define CTRL_XCTL0 0x00000100 /* 0 = Line in, 1 = Line out */ +#define CTRL_BREQ 0x00000080 /* 1 = test mode (internal mem test) */ +#define CTRL_DAC1_EN 0x00000040 /* enable DAC1 */ +#define CTRL_DAC2_EN 0x00000020 /* enable DAC2 */ +#define CTRL_ADC_EN 0x00000010 /* enable ADC */ +#define CTRL_UART_EN 0x00000008 /* enable MIDI uart */ +#define CTRL_JYSTK_EN 0x00000004 /* enable Joystick port (presumably at address 0x200) */ +#define CTRL_CDC_EN 0x00000002 /* enable serial (CODEC) interface */ +#define CTRL_SERR_DIS 0x00000001 /* 1 = disable PCI SERR signal */ + +#define STAT_INTR 0x80000000 /* wired or of all interrupt bits */ +#define STAT_CSTAT 0x00000400 /* 1 = codec busy or codec write in progress */ +#define STAT_CBUSY 0x00000200 /* 1 = codec busy */ +#define STAT_CWRIP 0x00000100 /* 1 = codec write in progress */ +#define STAT_VC 0x00000060 /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */ +#define STAT_SH_VC 5 +#define STAT_MCCB 0x00000010 /* CCB int pending */ +#define STAT_UART 0x00000008 /* UART int pending */ +#define STAT_DAC1 0x00000004 /* DAC1 int pending */ +#define STAT_DAC2 0x00000002 /* DAC2 int pending */ +#define STAT_ADC 0x00000001 /* ADC int pending */ + +#define USTAT_RXINT 0x80 /* UART rx int pending */ +#define USTAT_TXINT 0x04 /* UART tx int pending */ +#define USTAT_TXRDY 0x02 /* UART tx ready */ +#define USTAT_RXRDY 0x01 /* UART rx ready */ + +#define UCTRL_RXINTEN 0x80 /* 1 = enable RX ints */ +#define UCTRL_TXINTEN 0x60 /* TX int enable field mask */ +#define UCTRL_ENA_TXINT 0x20 /* enable TX int */ +#define UCTRL_CNTRL 0x03 /* control field */ +#define UCTRL_CNTRL_SWR 0x03 /* software reset command */ + +#define SCTRL_P2ENDINC 0x00380000 /* */ +#define SCTRL_SH_P2ENDINC 19 +#define SCTRL_P2STINC 0x00070000 /* */ +#define SCTRL_SH_P2STINC 16 +#define SCTRL_R1LOOPSEL 0x00008000 /* 0 = loop mode */ +#define SCTRL_P2LOOPSEL 0x00004000 /* 0 = loop mode */ +#define SCTRL_P1LOOPSEL 0x00002000 /* 0 = loop mode */ +#define SCTRL_P2PAUSE 0x00001000 /* 1 = pause mode */ +#define SCTRL_P1PAUSE 0x00000800 /* 1 = pause mode */ +#define SCTRL_R1INTEN 0x00000400 /* enable interrupt */ +#define SCTRL_P2INTEN 0x00000200 /* enable interrupt */ +#define SCTRL_P1INTEN 0x00000100 /* enable interrupt */ +#define SCTRL_P1SCTRLD 0x00000080 /* reload sample count register for DAC1 */ +#define SCTRL_P2DACSEN 0x00000040 /* 1 = DAC2 play back last sample when disabled */ +#define SCTRL_R1SEB 0x00000020 /* 1 = 16bit */ +#define SCTRL_R1SMB 0x00000010 /* 1 = stereo */ +#define SCTRL_R1FMT 0x00000030 /* format mask */ +#define SCTRL_SH_R1FMT 4 +#define SCTRL_P2SEB 0x00000008 /* 1 = 16bit */ +#define SCTRL_P2SMB 0x00000004 /* 1 = stereo */ +#define SCTRL_P2FMT 0x0000000c /* format mask */ +#define SCTRL_SH_P2FMT 2 +#define SCTRL_P1SEB 0x00000002 /* 1 = 16bit */ +#define SCTRL_P1SMB 0x00000001 /* 1 = stereo */ +#define SCTRL_P1FMT 0x00000003 /* format mask */ +#define SCTRL_SH_P1FMT 0 + +/* misc stuff */ + +#define FMODE_DAC 4 /* slight misuse of mode_t */ + +/* MIDI buffer sizes */ + +#define MIDIINBUF 256 +#define MIDIOUTBUF 256 + +#define FMODE_MIDI_SHIFT 3 +#define FMODE_MIDI_READ (FMODE_READ << FMODE_MIDI_SHIFT) +#define FMODE_MIDI_WRITE (FMODE_WRITE << FMODE_MIDI_SHIFT) + +/* --------------------------------------------------------------------- */ + +struct es1370_state { + /* magic */ + unsigned int magic; + + /* list of es1370 devices */ + struct list_head devs; + + /* the corresponding pci_dev structure */ + struct pci_dev *dev; + + /* soundcore stuff */ + int dev_audio; + int dev_mixer; + int dev_dac; + int dev_midi; + + /* hardware resources */ + unsigned long io; /* long for SPARC */ + unsigned int irq; + + /* mixer registers; there is no HW readback */ + struct { + unsigned short vol[10]; + unsigned int recsrc; + unsigned int modcnt; + unsigned short micpreamp; + unsigned int imix; + } mix; + + /* wave stuff */ + unsigned ctrl; + unsigned sctrl; + + spinlock_t lock; + struct semaphore open_sem; + mode_t open_mode; + wait_queue_head_t open_wait; + + struct dmabuf { + void *rawbuf; + dma_addr_t dmaaddr; + unsigned buforder; + unsigned numfrag; + unsigned fragshift; + unsigned hwptr, swptr; + unsigned total_bytes; + int count; + unsigned error; /* over/underrun */ + wait_queue_head_t wait; + /* redundant, but makes calculations easier */ + unsigned fragsize; + unsigned dmasize; + unsigned fragsamples; + /* OSS stuff */ + unsigned mapped:1; + unsigned ready:1; + unsigned endcleared:1; + unsigned enabled:1; + unsigned ossfragshift; + int ossmaxfrags; + unsigned subdivision; + } dma_dac1, dma_dac2, dma_adc; + + /* The following buffer is used to point the phantom write channel to. */ + unsigned char *bugbuf_cpu; + dma_addr_t bugbuf_dma; + + /* midi stuff */ + struct { + unsigned ird, iwr, icnt; + unsigned ord, owr, ocnt; + wait_queue_head_t iwait; + wait_queue_head_t owait; + unsigned char ibuf[MIDIINBUF]; + unsigned char obuf[MIDIOUTBUF]; + } midi; + + struct gameport *gameport; + struct semaphore sem; +}; + +/* --------------------------------------------------------------------- */ + +static LIST_HEAD(devs); + +/* --------------------------------------------------------------------- */ + +static inline unsigned ld2(unsigned int x) +{ + unsigned r = 0; + + if (x >= 0x10000) { + x >>= 16; + r += 16; + } + if (x >= 0x100) { + x >>= 8; + r += 8; + } + if (x >= 0x10) { + x >>= 4; + r += 4; + } + if (x >= 4) { + x >>= 2; + r += 2; + } + if (x >= 2) + r++; + return r; +} + +/* --------------------------------------------------------------------- */ + +static void wrcodec(struct es1370_state *s, unsigned char idx, unsigned char data) +{ + unsigned long tmo = jiffies + HZ/10, j; + + do { + j = jiffies; + if (!(inl(s->io+ES1370_REG_STATUS) & STAT_CSTAT)) { + outw((((unsigned short)idx)<<8)|data, s->io+ES1370_REG_CODEC); + return; + } + schedule(); + } while ((signed)(tmo-j) > 0); + printk(KERN_ERR "es1370: write to codec register timeout\n"); +} + +/* --------------------------------------------------------------------- */ + +static inline void stop_adc(struct es1370_state *s) +{ + unsigned long flags; + + spin_lock_irqsave(&s->lock, flags); + s->ctrl &= ~CTRL_ADC_EN; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); +} + +static inline void stop_dac1(struct es1370_state *s) +{ + unsigned long flags; + + spin_lock_irqsave(&s->lock, flags); + s->ctrl &= ~CTRL_DAC1_EN; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); +} + +static inline void stop_dac2(struct es1370_state *s) +{ + unsigned long flags; + + spin_lock_irqsave(&s->lock, flags); + s->ctrl &= ~CTRL_DAC2_EN; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); +} + +static void start_dac1(struct es1370_state *s) +{ + unsigned long flags; + unsigned fragremain, fshift; + + spin_lock_irqsave(&s->lock, flags); + if (!(s->ctrl & CTRL_DAC1_EN) && (s->dma_dac1.mapped || s->dma_dac1.count > 0) + && s->dma_dac1.ready) { + s->ctrl |= CTRL_DAC1_EN; + s->sctrl = (s->sctrl & ~(SCTRL_P1LOOPSEL | SCTRL_P1PAUSE | SCTRL_P1SCTRLD)) | SCTRL_P1INTEN; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + fragremain = ((- s->dma_dac1.hwptr) & (s->dma_dac1.fragsize-1)); + fshift = sample_shift[(s->sctrl & SCTRL_P1FMT) >> SCTRL_SH_P1FMT]; + if (fragremain < 2*fshift) + fragremain = s->dma_dac1.fragsize; + outl((fragremain >> fshift) - 1, s->io+ES1370_REG_DAC1_SCOUNT); + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + outl((s->dma_dac1.fragsize >> fshift) - 1, s->io+ES1370_REG_DAC1_SCOUNT); + } + spin_unlock_irqrestore(&s->lock, flags); +} + +static void start_dac2(struct es1370_state *s) +{ + unsigned long flags; + unsigned fragremain, fshift; + + spin_lock_irqsave(&s->lock, flags); + if (!(s->ctrl & CTRL_DAC2_EN) && (s->dma_dac2.mapped || s->dma_dac2.count > 0) + && s->dma_dac2.ready) { + s->ctrl |= CTRL_DAC2_EN; + s->sctrl = (s->sctrl & ~(SCTRL_P2LOOPSEL | SCTRL_P2PAUSE | SCTRL_P2DACSEN | + SCTRL_P2ENDINC | SCTRL_P2STINC)) | SCTRL_P2INTEN | + (((s->sctrl & SCTRL_P2FMT) ? 2 : 1) << SCTRL_SH_P2ENDINC) | + (0 << SCTRL_SH_P2STINC); + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + fragremain = ((- s->dma_dac2.hwptr) & (s->dma_dac2.fragsize-1)); + fshift = sample_shift[(s->sctrl & SCTRL_P2FMT) >> SCTRL_SH_P2FMT]; + if (fragremain < 2*fshift) + fragremain = s->dma_dac2.fragsize; + outl((fragremain >> fshift) - 1, s->io+ES1370_REG_DAC2_SCOUNT); + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + outl((s->dma_dac2.fragsize >> fshift) - 1, s->io+ES1370_REG_DAC2_SCOUNT); + } + spin_unlock_irqrestore(&s->lock, flags); +} + +static void start_adc(struct es1370_state *s) +{ + unsigned long flags; + unsigned fragremain, fshift; + + spin_lock_irqsave(&s->lock, flags); + if (!(s->ctrl & CTRL_ADC_EN) && (s->dma_adc.mapped || s->dma_adc.count < (signed)(s->dma_adc.dmasize - 2*s->dma_adc.fragsize)) + && s->dma_adc.ready) { + s->ctrl |= CTRL_ADC_EN; + s->sctrl = (s->sctrl & ~SCTRL_R1LOOPSEL) | SCTRL_R1INTEN; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + fragremain = ((- s->dma_adc.hwptr) & (s->dma_adc.fragsize-1)); + fshift = sample_shift[(s->sctrl & SCTRL_R1FMT) >> SCTRL_SH_R1FMT]; + if (fragremain < 2*fshift) + fragremain = s->dma_adc.fragsize; + outl((fragremain >> fshift) - 1, s->io+ES1370_REG_ADC_SCOUNT); + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + outl((s->dma_adc.fragsize >> fshift) - 1, s->io+ES1370_REG_ADC_SCOUNT); + } + spin_unlock_irqrestore(&s->lock, flags); +} + +/* --------------------------------------------------------------------- */ + +#define DMABUF_DEFAULTORDER (17-PAGE_SHIFT) +#define DMABUF_MINORDER 1 + +static inline void dealloc_dmabuf(struct es1370_state *s, struct dmabuf *db) +{ + struct page *page, *pend; + + if (db->rawbuf) { + /* undo marking the pages as reserved */ + pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1); + for (page = virt_to_page(db->rawbuf); page <= pend; page++) + ClearPageReserved(page); + pci_free_consistent(s->dev, PAGE_SIZE << db->buforder, db->rawbuf, db->dmaaddr); + } + db->rawbuf = NULL; + db->mapped = db->ready = 0; +} + +static int prog_dmabuf(struct es1370_state *s, struct dmabuf *db, unsigned rate, unsigned fmt, unsigned reg) +{ + int order; + unsigned bytepersec; + unsigned bufs; + struct page *page, *pend; + + db->hwptr = db->swptr = db->total_bytes = db->count = db->error = db->endcleared = 0; + if (!db->rawbuf) { + db->ready = db->mapped = 0; + for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--) + if ((db->rawbuf = pci_alloc_consistent(s->dev, PAGE_SIZE << order, &db->dmaaddr))) + break; + if (!db->rawbuf) + return -ENOMEM; + db->buforder = order; + /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */ + pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1); + for (page = virt_to_page(db->rawbuf); page <= pend; page++) + SetPageReserved(page); + } + fmt &= ES1370_FMT_MASK; + bytepersec = rate << sample_shift[fmt]; + bufs = PAGE_SIZE << db->buforder; + if (db->ossfragshift) { + if ((1000 << db->ossfragshift) < bytepersec) + db->fragshift = ld2(bytepersec/1000); + else + db->fragshift = db->ossfragshift; + } else { + db->fragshift = ld2(bytepersec/100/(db->subdivision ? db->subdivision : 1)); + if (db->fragshift < 3) + db->fragshift = 3; + } + db->numfrag = bufs >> db->fragshift; + while (db->numfrag < 4 && db->fragshift > 3) { + db->fragshift--; + db->numfrag = bufs >> db->fragshift; + } + db->fragsize = 1 << db->fragshift; + if (db->ossmaxfrags >= 4 && db->ossmaxfrags < db->numfrag) + db->numfrag = db->ossmaxfrags; + db->fragsamples = db->fragsize >> sample_shift[fmt]; + db->dmasize = db->numfrag << db->fragshift; + memset(db->rawbuf, (fmt & ES1370_FMT_S16) ? 0 : 0x80, db->dmasize); + outl((reg >> 8) & 15, s->io+ES1370_REG_MEMPAGE); + outl(db->dmaaddr, s->io+(reg & 0xff)); + outl((db->dmasize >> 2)-1, s->io+((reg + 4) & 0xff)); + db->enabled = 1; + db->ready = 1; + return 0; +} + +static inline int prog_dmabuf_adc(struct es1370_state *s) +{ + stop_adc(s); + return prog_dmabuf(s, &s->dma_adc, DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), + (s->sctrl >> SCTRL_SH_R1FMT) & ES1370_FMT_MASK, ES1370_REG_ADC_FRAMEADR); +} + +static inline int prog_dmabuf_dac2(struct es1370_state *s) +{ + stop_dac2(s); + return prog_dmabuf(s, &s->dma_dac2, DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), + (s->sctrl >> SCTRL_SH_P2FMT) & ES1370_FMT_MASK, ES1370_REG_DAC2_FRAMEADR); +} + +static inline int prog_dmabuf_dac1(struct es1370_state *s) +{ + stop_dac1(s); + return prog_dmabuf(s, &s->dma_dac1, dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], + (s->sctrl >> SCTRL_SH_P1FMT) & ES1370_FMT_MASK, ES1370_REG_DAC1_FRAMEADR); +} + +static inline unsigned get_hwptr(struct es1370_state *s, struct dmabuf *db, unsigned reg) +{ + unsigned hwptr, diff; + + outl((reg >> 8) & 15, s->io+ES1370_REG_MEMPAGE); + hwptr = (inl(s->io+(reg & 0xff)) >> 14) & 0x3fffc; + diff = (db->dmasize + hwptr - db->hwptr) % db->dmasize; + db->hwptr = hwptr; + return diff; +} + +static inline void clear_advance(void *buf, unsigned bsize, unsigned bptr, unsigned len, unsigned char c) +{ + if (bptr + len > bsize) { + unsigned x = bsize - bptr; + memset(((char *)buf) + bptr, c, x); + bptr = 0; + len -= x; + } + memset(((char *)buf) + bptr, c, len); +} + +/* call with spinlock held! */ +static void es1370_update_ptr(struct es1370_state *s) +{ + int diff; + + /* update ADC pointer */ + if (s->ctrl & CTRL_ADC_EN) { + diff = get_hwptr(s, &s->dma_adc, ES1370_REG_ADC_FRAMECNT); + s->dma_adc.total_bytes += diff; + s->dma_adc.count += diff; + if (s->dma_adc.count >= (signed)s->dma_adc.fragsize) + wake_up(&s->dma_adc.wait); + if (!s->dma_adc.mapped) { + if (s->dma_adc.count > (signed)(s->dma_adc.dmasize - ((3 * s->dma_adc.fragsize) >> 1))) { + s->ctrl &= ~CTRL_ADC_EN; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + s->dma_adc.error++; + } + } + } + /* update DAC1 pointer */ + if (s->ctrl & CTRL_DAC1_EN) { + diff = get_hwptr(s, &s->dma_dac1, ES1370_REG_DAC1_FRAMECNT); + s->dma_dac1.total_bytes += diff; + if (s->dma_dac1.mapped) { + s->dma_dac1.count += diff; + if (s->dma_dac1.count >= (signed)s->dma_dac1.fragsize) + wake_up(&s->dma_dac1.wait); + } else { + s->dma_dac1.count -= diff; + if (s->dma_dac1.count <= 0) { + s->ctrl &= ~CTRL_DAC1_EN; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + s->dma_dac1.error++; + } else if (s->dma_dac1.count <= (signed)s->dma_dac1.fragsize && !s->dma_dac1.endcleared) { + clear_advance(s->dma_dac1.rawbuf, s->dma_dac1.dmasize, s->dma_dac1.swptr, + s->dma_dac1.fragsize, (s->sctrl & SCTRL_P1SEB) ? 0 : 0x80); + s->dma_dac1.endcleared = 1; + } + if (s->dma_dac1.count + (signed)s->dma_dac1.fragsize <= (signed)s->dma_dac1.dmasize) + wake_up(&s->dma_dac1.wait); + } + } + /* update DAC2 pointer */ + if (s->ctrl & CTRL_DAC2_EN) { + diff = get_hwptr(s, &s->dma_dac2, ES1370_REG_DAC2_FRAMECNT); + s->dma_dac2.total_bytes += diff; + if (s->dma_dac2.mapped) { + s->dma_dac2.count += diff; + if (s->dma_dac2.count >= (signed)s->dma_dac2.fragsize) + wake_up(&s->dma_dac2.wait); + } else { + s->dma_dac2.count -= diff; + if (s->dma_dac2.count <= 0) { + s->ctrl &= ~CTRL_DAC2_EN; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + s->dma_dac2.error++; + } else if (s->dma_dac2.count <= (signed)s->dma_dac2.fragsize && !s->dma_dac2.endcleared) { + clear_advance(s->dma_dac2.rawbuf, s->dma_dac2.dmasize, s->dma_dac2.swptr, + s->dma_dac2.fragsize, (s->sctrl & SCTRL_P2SEB) ? 0 : 0x80); + s->dma_dac2.endcleared = 1; + } + if (s->dma_dac2.count + (signed)s->dma_dac2.fragsize <= (signed)s->dma_dac2.dmasize) + wake_up(&s->dma_dac2.wait); + } + } +} + +/* hold spinlock for the following! */ +static void es1370_handle_midi(struct es1370_state *s) +{ + unsigned char ch; + int wake; + + if (!(s->ctrl & CTRL_UART_EN)) + return; + wake = 0; + while (inb(s->io+ES1370_REG_UART_STATUS) & USTAT_RXRDY) { + ch = inb(s->io+ES1370_REG_UART_DATA); + if (s->midi.icnt < MIDIINBUF) { + s->midi.ibuf[s->midi.iwr] = ch; + s->midi.iwr = (s->midi.iwr + 1) % MIDIINBUF; + s->midi.icnt++; + } + wake = 1; + } + if (wake) + wake_up(&s->midi.iwait); + wake = 0; + while ((inb(s->io+ES1370_REG_UART_STATUS) & USTAT_TXRDY) && s->midi.ocnt > 0) { + outb(s->midi.obuf[s->midi.ord], s->io+ES1370_REG_UART_DATA); + s->midi.ord = (s->midi.ord + 1) % MIDIOUTBUF; + s->midi.ocnt--; + if (s->midi.ocnt < MIDIOUTBUF-16) + wake = 1; + } + if (wake) + wake_up(&s->midi.owait); + outb((s->midi.ocnt > 0) ? UCTRL_RXINTEN | UCTRL_ENA_TXINT : UCTRL_RXINTEN, s->io+ES1370_REG_UART_CONTROL); +} + +static irqreturn_t es1370_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + struct es1370_state *s = (struct es1370_state *)dev_id; + unsigned int intsrc, sctl; + + /* fastpath out, to ease interrupt sharing */ + intsrc = inl(s->io+ES1370_REG_STATUS); + if (!(intsrc & 0x80000000)) + return IRQ_NONE; + spin_lock(&s->lock); + /* clear audio interrupts first */ + sctl = s->sctrl; + if (intsrc & STAT_ADC) + sctl &= ~SCTRL_R1INTEN; + if (intsrc & STAT_DAC1) + sctl &= ~SCTRL_P1INTEN; + if (intsrc & STAT_DAC2) + sctl &= ~SCTRL_P2INTEN; + outl(sctl, s->io+ES1370_REG_SERIAL_CONTROL); + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + es1370_update_ptr(s); + es1370_handle_midi(s); + spin_unlock(&s->lock); + return IRQ_HANDLED; +} + +/* --------------------------------------------------------------------- */ + +static const char invalid_magic[] = KERN_CRIT "es1370: invalid magic value\n"; + +#define VALIDATE_STATE(s) \ +({ \ + if (!(s) || (s)->magic != ES1370_MAGIC) { \ + printk(invalid_magic); \ + return -ENXIO; \ + } \ +}) + +/* --------------------------------------------------------------------- */ + +static const struct { + unsigned volidx:4; + unsigned left:4; + unsigned right:4; + unsigned stereo:1; + unsigned recmask:13; + unsigned avail:1; +} mixtable[SOUND_MIXER_NRDEVICES] = { + [SOUND_MIXER_VOLUME] = { 0, 0x0, 0x1, 1, 0x0000, 1 }, /* master */ + [SOUND_MIXER_PCM] = { 1, 0x2, 0x3, 1, 0x0400, 1 }, /* voice */ + [SOUND_MIXER_SYNTH] = { 2, 0x4, 0x5, 1, 0x0060, 1 }, /* FM */ + [SOUND_MIXER_CD] = { 3, 0x6, 0x7, 1, 0x0006, 1 }, /* CD */ + [SOUND_MIXER_LINE] = { 4, 0x8, 0x9, 1, 0x0018, 1 }, /* Line */ + [SOUND_MIXER_LINE1] = { 5, 0xa, 0xb, 1, 0x1800, 1 }, /* AUX */ + [SOUND_MIXER_LINE2] = { 6, 0xc, 0x0, 0, 0x0100, 1 }, /* Mono1 */ + [SOUND_MIXER_LINE3] = { 7, 0xd, 0x0, 0, 0x0200, 1 }, /* Mono2 */ + [SOUND_MIXER_MIC] = { 8, 0xe, 0x0, 0, 0x0001, 1 }, /* Mic */ + [SOUND_MIXER_OGAIN] = { 9, 0xf, 0x0, 0, 0x0000, 1 } /* mono out */ +}; + +static void set_recsrc(struct es1370_state *s, unsigned int val) +{ + unsigned int i, j; + + for (j = i = 0; i < SOUND_MIXER_NRDEVICES; i++) { + if (!(val & (1 << i))) + continue; + if (!mixtable[i].recmask) { + val &= ~(1 << i); + continue; + } + j |= mixtable[i].recmask; + } + s->mix.recsrc = val; + wrcodec(s, 0x12, j & 0xd5); + wrcodec(s, 0x13, j & 0xaa); + wrcodec(s, 0x14, (j >> 8) & 0x17); + wrcodec(s, 0x15, (j >> 8) & 0x0f); + i = (j & 0x37f) | ((j << 1) & 0x3000) | 0xc60; + if (!s->mix.imix) { + i &= 0xff60; /* mute record and line monitor */ + } + wrcodec(s, 0x10, i); + wrcodec(s, 0x11, i >> 8); +} + +static int mixer_ioctl(struct es1370_state *s, unsigned int cmd, unsigned long arg) +{ + unsigned long flags; + int i, val; + unsigned char l, r, rl, rr; + int __user *p = (int __user *)arg; + + VALIDATE_STATE(s); + if (cmd == SOUND_MIXER_PRIVATE1) { + /* enable/disable/query mixer preamp */ + if (get_user(val, p)) + return -EFAULT; + if (val != -1) { + s->mix.micpreamp = !!val; + wrcodec(s, 0x19, s->mix.micpreamp); + } + return put_user(s->mix.micpreamp, p); + } + if (cmd == SOUND_MIXER_PRIVATE2) { + /* enable/disable/query use of linein as second lineout */ + if (get_user(val, p)) + return -EFAULT; + if (val != -1) { + spin_lock_irqsave(&s->lock, flags); + if (val) + s->ctrl |= CTRL_XCTL0; + else + s->ctrl &= ~CTRL_XCTL0; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + return put_user((s->ctrl & CTRL_XCTL0) ? 1 : 0, p); + } + if (cmd == SOUND_MIXER_PRIVATE3) { + /* enable/disable/query microphone impedance setting */ + if (get_user(val, p)) + return -EFAULT; + if (val != -1) { + spin_lock_irqsave(&s->lock, flags); + if (val) + s->ctrl |= CTRL_XCTL1; + else + s->ctrl &= ~CTRL_XCTL1; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + return put_user((s->ctrl & CTRL_XCTL1) ? 1 : 0, p); + } + if (cmd == SOUND_MIXER_INFO) { + mixer_info info; + strncpy(info.id, "ES1370", sizeof(info.id)); + strncpy(info.name, "Ensoniq ES1370", sizeof(info.name)); + info.modify_counter = s->mix.modcnt; + if (copy_to_user((void __user *)arg, &info, sizeof(info))) + return -EFAULT; + return 0; + } + if (cmd == SOUND_OLD_MIXER_INFO) { + _old_mixer_info info; + strncpy(info.id, "ES1370", sizeof(info.id)); + strncpy(info.name, "Ensoniq ES1370", sizeof(info.name)); + if (copy_to_user((void __user *)arg, &info, sizeof(info))) + return -EFAULT; + return 0; + } + if (cmd == OSS_GETVERSION) + return put_user(SOUND_VERSION, p); + if (_IOC_TYPE(cmd) != 'M' || _SIOC_SIZE(cmd) != sizeof(int)) + return -EINVAL; + if (_SIOC_DIR(cmd) == _SIOC_READ) { + switch (_IOC_NR(cmd)) { + case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */ + return put_user(s->mix.recsrc, p); + + case SOUND_MIXER_DEVMASK: /* Arg contains a bit for each supported device */ + val = SOUND_MASK_IMIX; + for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) + if (mixtable[i].avail) + val |= 1 << i; + return put_user(val, p); + + case SOUND_MIXER_RECMASK: /* Arg contains a bit for each supported recording source */ + for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++) + if (mixtable[i].recmask) + val |= 1 << i; + return put_user(val, p); + + case SOUND_MIXER_STEREODEVS: /* Mixer channels supporting stereo */ + for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++) + if (mixtable[i].stereo) + val |= 1 << i; + return put_user(val, p); + + case SOUND_MIXER_CAPS: + return put_user(0, p); + + case SOUND_MIXER_IMIX: + return put_user(s->mix.imix, p); + + default: + i = _IOC_NR(cmd); + if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].avail) + return -EINVAL; + return put_user(s->mix.vol[mixtable[i].volidx], p); + } + } + if (_SIOC_DIR(cmd) != (_SIOC_READ|_SIOC_WRITE)) + return -EINVAL; + s->mix.modcnt++; + switch (_IOC_NR(cmd)) { + + case SOUND_MIXER_IMIX: + if (get_user(s->mix.imix, p)) + return -EFAULT; + set_recsrc(s, s->mix.recsrc); + return 0; + + case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */ + if (get_user(val, p)) + return -EFAULT; + set_recsrc(s, val); + return 0; + + default: + i = _IOC_NR(cmd); + if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].avail) + return -EINVAL; + if (get_user(val, p)) + return -EFAULT; + l = val & 0xff; + if (l > 100) + l = 100; + if (mixtable[i].stereo) { + r = (val >> 8) & 0xff; + if (r > 100) + r = 100; + if (l < 7) { + rl = 0x80; + l = 0; + } else { + rl = 31 - ((l - 7) / 3); + l = (31 - rl) * 3 + 7; + } + if (r < 7) { + rr = 0x80; + r = 0; + } else { + rr = 31 - ((r - 7) / 3); + r = (31 - rr) * 3 + 7; + } + wrcodec(s, mixtable[i].right, rr); + } else { + if (mixtable[i].left == 15) { + if (l < 2) { + rr = rl = 0x80; + r = l = 0; + } else { + rl = 7 - ((l - 2) / 14); + r = l = (7 - rl) * 14 + 2; + } + } else { + if (l < 7) { + rl = 0x80; + r = l = 0; + } else { + rl = 31 - ((l - 7) / 3); + r = l = (31 - rl) * 3 + 7; + } + } + } + wrcodec(s, mixtable[i].left, rl); +#ifdef OSS_DOCUMENTED_MIXER_SEMANTICS + s->mix.vol[mixtable[i].volidx] = ((unsigned int)r << 8) | l; +#else + s->mix.vol[mixtable[i].volidx] = val; +#endif + return put_user(s->mix.vol[mixtable[i].volidx], p); + } +} + +/* --------------------------------------------------------------------- */ + +static int es1370_open_mixdev(struct inode *inode, struct file *file) +{ + unsigned int minor = iminor(inode); + struct list_head *list; + struct es1370_state *s; + + for (list = devs.next; ; list = list->next) { + if (list == &devs) + return -ENODEV; + s = list_entry(list, struct es1370_state, devs); + if (s->dev_mixer == minor) + break; + } + VALIDATE_STATE(s); + file->private_data = s; + return nonseekable_open(inode, file); +} + +static int es1370_release_mixdev(struct inode *inode, struct file *file) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + + VALIDATE_STATE(s); + return 0; +} + +static int es1370_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +{ + return mixer_ioctl((struct es1370_state *)file->private_data, cmd, arg); +} + +static /*const*/ struct file_operations es1370_mixer_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .ioctl = es1370_ioctl_mixdev, + .open = es1370_open_mixdev, + .release = es1370_release_mixdev, +}; + +/* --------------------------------------------------------------------- */ + +static int drain_dac1(struct es1370_state *s, int nonblock) +{ + DECLARE_WAITQUEUE(wait, current); + unsigned long flags; + int count, tmo; + + if (s->dma_dac1.mapped || !s->dma_dac1.ready) + return 0; + add_wait_queue(&s->dma_dac1.wait, &wait); + for (;;) { + __set_current_state(TASK_INTERRUPTIBLE); + spin_lock_irqsave(&s->lock, flags); + count = s->dma_dac1.count; + spin_unlock_irqrestore(&s->lock, flags); + if (count <= 0) + break; + if (signal_pending(current)) + break; + if (nonblock) { + remove_wait_queue(&s->dma_dac1.wait, &wait); + set_current_state(TASK_RUNNING); + return -EBUSY; + } + tmo = 3 * HZ * (count + s->dma_dac1.fragsize) / 2 + / dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL]; + tmo >>= sample_shift[(s->sctrl & SCTRL_P1FMT) >> SCTRL_SH_P1FMT]; + if (!schedule_timeout(tmo + 1)) + DBG(printk(KERN_DEBUG "es1370: dma timed out??\n");) + } + remove_wait_queue(&s->dma_dac1.wait, &wait); + set_current_state(TASK_RUNNING); + if (signal_pending(current)) + return -ERESTARTSYS; + return 0; +} + +static int drain_dac2(struct es1370_state *s, int nonblock) +{ + DECLARE_WAITQUEUE(wait, current); + unsigned long flags; + int count, tmo; + + if (s->dma_dac2.mapped || !s->dma_dac2.ready) + return 0; + add_wait_queue(&s->dma_dac2.wait, &wait); + for (;;) { + __set_current_state(TASK_INTERRUPTIBLE); + spin_lock_irqsave(&s->lock, flags); + count = s->dma_dac2.count; + spin_unlock_irqrestore(&s->lock, flags); + if (count <= 0) + break; + if (signal_pending(current)) + break; + if (nonblock) { + remove_wait_queue(&s->dma_dac2.wait, &wait); + set_current_state(TASK_RUNNING); + return -EBUSY; + } + tmo = 3 * HZ * (count + s->dma_dac2.fragsize) / 2 + / DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV); + tmo >>= sample_shift[(s->sctrl & SCTRL_P2FMT) >> SCTRL_SH_P2FMT]; + if (!schedule_timeout(tmo + 1)) + DBG(printk(KERN_DEBUG "es1370: dma timed out??\n");) + } + remove_wait_queue(&s->dma_dac2.wait, &wait); + set_current_state(TASK_RUNNING); + if (signal_pending(current)) + return -ERESTARTSYS; + return 0; +} + +/* --------------------------------------------------------------------- */ + +static ssize_t es1370_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + DECLARE_WAITQUEUE(wait, current); + ssize_t ret = 0; + unsigned long flags; + unsigned swptr; + int cnt; + + VALIDATE_STATE(s); + if (s->dma_adc.mapped) + return -ENXIO; + if (!access_ok(VERIFY_WRITE, buffer, count)) + return -EFAULT; + down(&s->sem); + if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s))) + goto out; + + add_wait_queue(&s->dma_adc.wait, &wait); + while (count > 0) { + spin_lock_irqsave(&s->lock, flags); + swptr = s->dma_adc.swptr; + cnt = s->dma_adc.dmasize-swptr; + if (s->dma_adc.count < cnt) + cnt = s->dma_adc.count; + if (cnt <= 0) + __set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irqrestore(&s->lock, flags); + if (cnt > count) + cnt = count; + if (cnt <= 0) { + if (s->dma_adc.enabled) + start_adc(s); + if (file->f_flags & O_NONBLOCK) { + if (!ret) + ret = -EAGAIN; + goto out; + } + up(&s->sem); + schedule(); + if (signal_pending(current)) { + if (!ret) + ret = -ERESTARTSYS; + goto out; + } + down(&s->sem); + if (s->dma_adc.mapped) + { + ret = -ENXIO; + goto out; + } + continue; + } + if (copy_to_user(buffer, s->dma_adc.rawbuf + swptr, cnt)) { + if (!ret) + ret = -EFAULT; + goto out; + } + swptr = (swptr + cnt) % s->dma_adc.dmasize; + spin_lock_irqsave(&s->lock, flags); + s->dma_adc.swptr = swptr; + s->dma_adc.count -= cnt; + spin_unlock_irqrestore(&s->lock, flags); + count -= cnt; + buffer += cnt; + ret += cnt; + if (s->dma_adc.enabled) + start_adc(s); + } +out: + up(&s->sem); + remove_wait_queue(&s->dma_adc.wait, &wait); + set_current_state(TASK_RUNNING); + return ret; +} + +static ssize_t es1370_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + DECLARE_WAITQUEUE(wait, current); + ssize_t ret = 0; + unsigned long flags; + unsigned swptr; + int cnt; + + VALIDATE_STATE(s); + if (s->dma_dac2.mapped) + return -ENXIO; + if (!access_ok(VERIFY_READ, buffer, count)) + return -EFAULT; + down(&s->sem); + if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s))) + goto out; + ret = 0; + add_wait_queue(&s->dma_dac2.wait, &wait); + while (count > 0) { + spin_lock_irqsave(&s->lock, flags); + if (s->dma_dac2.count < 0) { + s->dma_dac2.count = 0; + s->dma_dac2.swptr = s->dma_dac2.hwptr; + } + swptr = s->dma_dac2.swptr; + cnt = s->dma_dac2.dmasize-swptr; + if (s->dma_dac2.count + cnt > s->dma_dac2.dmasize) + cnt = s->dma_dac2.dmasize - s->dma_dac2.count; + if (cnt <= 0) + __set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irqrestore(&s->lock, flags); + if (cnt > count) + cnt = count; + if (cnt <= 0) { + if (s->dma_dac2.enabled) + start_dac2(s); + if (file->f_flags & O_NONBLOCK) { + if (!ret) + ret = -EAGAIN; + goto out; + } + up(&s->sem); + schedule(); + if (signal_pending(current)) { + if (!ret) + ret = -ERESTARTSYS; + goto out; + } + down(&s->sem); + if (s->dma_dac2.mapped) + { + ret = -ENXIO; + goto out; + } + continue; + } + if (copy_from_user(s->dma_dac2.rawbuf + swptr, buffer, cnt)) { + if (!ret) + ret = -EFAULT; + goto out; + } + swptr = (swptr + cnt) % s->dma_dac2.dmasize; + spin_lock_irqsave(&s->lock, flags); + s->dma_dac2.swptr = swptr; + s->dma_dac2.count += cnt; + s->dma_dac2.endcleared = 0; + spin_unlock_irqrestore(&s->lock, flags); + count -= cnt; + buffer += cnt; + ret += cnt; + if (s->dma_dac2.enabled) + start_dac2(s); + } +out: + up(&s->sem); + remove_wait_queue(&s->dma_dac2.wait, &wait); + set_current_state(TASK_RUNNING); + return ret; +} + +/* No kernel lock - we have our own spinlock */ +static unsigned int es1370_poll(struct file *file, struct poll_table_struct *wait) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + unsigned long flags; + unsigned int mask = 0; + + VALIDATE_STATE(s); + if (file->f_mode & FMODE_WRITE) { + if (!s->dma_dac2.ready && prog_dmabuf_dac2(s)) + return 0; + poll_wait(file, &s->dma_dac2.wait, wait); + } + if (file->f_mode & FMODE_READ) { + if (!s->dma_adc.ready && prog_dmabuf_adc(s)) + return 0; + poll_wait(file, &s->dma_adc.wait, wait); + } + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + if (file->f_mode & FMODE_READ) { + if (s->dma_adc.count >= (signed)s->dma_adc.fragsize) + mask |= POLLIN | POLLRDNORM; + } + if (file->f_mode & FMODE_WRITE) { + if (s->dma_dac2.mapped) { + if (s->dma_dac2.count >= (signed)s->dma_dac2.fragsize) + mask |= POLLOUT | POLLWRNORM; + } else { + if ((signed)s->dma_dac2.dmasize >= s->dma_dac2.count + (signed)s->dma_dac2.fragsize) + mask |= POLLOUT | POLLWRNORM; + } + } + spin_unlock_irqrestore(&s->lock, flags); + return mask; +} + +static int es1370_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + struct dmabuf *db; + int ret = 0; + unsigned long size; + + VALIDATE_STATE(s); + lock_kernel(); + down(&s->sem); + if (vma->vm_flags & VM_WRITE) { + if ((ret = prog_dmabuf_dac2(s)) != 0) { + goto out; + } + db = &s->dma_dac2; + } else if (vma->vm_flags & VM_READ) { + if ((ret = prog_dmabuf_adc(s)) != 0) { + goto out; + } + db = &s->dma_adc; + } else { + ret = -EINVAL; + goto out; + } + if (vma->vm_pgoff != 0) { + ret = -EINVAL; + goto out; + } + size = vma->vm_end - vma->vm_start; + if (size > (PAGE_SIZE << db->buforder)) { + ret = -EINVAL; + goto out; + } + if (remap_pfn_range(vma, vma->vm_start, + virt_to_phys(db->rawbuf) >> PAGE_SHIFT, + size, vma->vm_page_prot)) { + ret = -EAGAIN; + goto out; + } + db->mapped = 1; +out: + up(&s->sem); + unlock_kernel(); + return ret; +} + +static int es1370_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + unsigned long flags; + audio_buf_info abinfo; + count_info cinfo; + int count; + int val, mapped, ret; + void __user *argp = (void __user *)arg; + int __user *p = argp; + + VALIDATE_STATE(s); + mapped = ((file->f_mode & FMODE_WRITE) && s->dma_dac2.mapped) || + ((file->f_mode & FMODE_READ) && s->dma_adc.mapped); + switch (cmd) { + case OSS_GETVERSION: + return put_user(SOUND_VERSION, p); + + case SNDCTL_DSP_SYNC: + if (file->f_mode & FMODE_WRITE) + return drain_dac2(s, 0/*file->f_flags & O_NONBLOCK*/); + return 0; + + case SNDCTL_DSP_SETDUPLEX: + return 0; + + case SNDCTL_DSP_GETCAPS: + return put_user(DSP_CAP_DUPLEX | DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP, p); + + case SNDCTL_DSP_RESET: + if (file->f_mode & FMODE_WRITE) { + stop_dac2(s); + synchronize_irq(s->irq); + s->dma_dac2.swptr = s->dma_dac2.hwptr = s->dma_dac2.count = s->dma_dac2.total_bytes = 0; + } + if (file->f_mode & FMODE_READ) { + stop_adc(s); + synchronize_irq(s->irq); + s->dma_adc.swptr = s->dma_adc.hwptr = s->dma_adc.count = s->dma_adc.total_bytes = 0; + } + return 0; + + case SNDCTL_DSP_SPEED: + if (get_user(val, p)) + return -EFAULT; + if (val >= 0) { + if (s->open_mode & (~file->f_mode) & (FMODE_READ|FMODE_WRITE)) + return -EINVAL; + if (val < 4000) + val = 4000; + if (val > 50000) + val = 50000; + stop_adc(s); + stop_dac2(s); + s->dma_adc.ready = s->dma_dac2.ready = 0; + spin_lock_irqsave(&s->lock, flags); + s->ctrl = (s->ctrl & ~CTRL_PCLKDIV) | (DAC2_SRTODIV(val) << CTRL_SH_PCLKDIV); + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + return put_user(DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), p); + + case SNDCTL_DSP_STEREO: + if (get_user(val, p)) + return -EFAULT; + if (file->f_mode & FMODE_READ) { + stop_adc(s); + s->dma_adc.ready = 0; + spin_lock_irqsave(&s->lock, flags); + if (val) + s->sctrl |= SCTRL_R1SMB; + else + s->sctrl &= ~SCTRL_R1SMB; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + if (file->f_mode & FMODE_WRITE) { + stop_dac2(s); + s->dma_dac2.ready = 0; + spin_lock_irqsave(&s->lock, flags); + if (val) + s->sctrl |= SCTRL_P2SMB; + else + s->sctrl &= ~SCTRL_P2SMB; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + return 0; + + case SNDCTL_DSP_CHANNELS: + if (get_user(val, p)) + return -EFAULT; + if (val != 0) { + if (file->f_mode & FMODE_READ) { + stop_adc(s); + s->dma_adc.ready = 0; + spin_lock_irqsave(&s->lock, flags); + if (val >= 2) + s->sctrl |= SCTRL_R1SMB; + else + s->sctrl &= ~SCTRL_R1SMB; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + if (file->f_mode & FMODE_WRITE) { + stop_dac2(s); + s->dma_dac2.ready = 0; + spin_lock_irqsave(&s->lock, flags); + if (val >= 2) + s->sctrl |= SCTRL_P2SMB; + else + s->sctrl &= ~SCTRL_P2SMB; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + } + return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SMB : SCTRL_P2SMB)) ? 2 : 1, p); + + case SNDCTL_DSP_GETFMTS: /* Returns a mask */ + return put_user(AFMT_S16_LE|AFMT_U8, p); + + case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/ + if (get_user(val, p)) + return -EFAULT; + if (val != AFMT_QUERY) { + if (file->f_mode & FMODE_READ) { + stop_adc(s); + s->dma_adc.ready = 0; + spin_lock_irqsave(&s->lock, flags); + if (val == AFMT_S16_LE) + s->sctrl |= SCTRL_R1SEB; + else + s->sctrl &= ~SCTRL_R1SEB; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + if (file->f_mode & FMODE_WRITE) { + stop_dac2(s); + s->dma_dac2.ready = 0; + spin_lock_irqsave(&s->lock, flags); + if (val == AFMT_S16_LE) + s->sctrl |= SCTRL_P2SEB; + else + s->sctrl &= ~SCTRL_P2SEB; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + } + return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SEB : SCTRL_P2SEB)) ? + AFMT_S16_LE : AFMT_U8, p); + + case SNDCTL_DSP_POST: + return 0; + + case SNDCTL_DSP_GETTRIGGER: + val = 0; + if (file->f_mode & FMODE_READ && s->ctrl & CTRL_ADC_EN) + val |= PCM_ENABLE_INPUT; + if (file->f_mode & FMODE_WRITE && s->ctrl & CTRL_DAC2_EN) + val |= PCM_ENABLE_OUTPUT; + return put_user(val, p); + + case SNDCTL_DSP_SETTRIGGER: + if (get_user(val, p)) + return -EFAULT; + if (file->f_mode & FMODE_READ) { + if (val & PCM_ENABLE_INPUT) { + if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s))) + return ret; + s->dma_adc.enabled = 1; + start_adc(s); + } else { + s->dma_adc.enabled = 0; + stop_adc(s); + } + } + if (file->f_mode & FMODE_WRITE) { + if (val & PCM_ENABLE_OUTPUT) { + if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s))) + return ret; + s->dma_dac2.enabled = 1; + start_dac2(s); + } else { + s->dma_dac2.enabled = 0; + stop_dac2(s); + } + } + return 0; + + case SNDCTL_DSP_GETOSPACE: + if (!(file->f_mode & FMODE_WRITE)) + return -EINVAL; + if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0) + return val; + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + abinfo.fragsize = s->dma_dac2.fragsize; + count = s->dma_dac2.count; + if (count < 0) + count = 0; + abinfo.bytes = s->dma_dac2.dmasize - count; + abinfo.fragstotal = s->dma_dac2.numfrag; + abinfo.fragments = abinfo.bytes >> s->dma_dac2.fragshift; + spin_unlock_irqrestore(&s->lock, flags); + return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; + + case SNDCTL_DSP_GETISPACE: + if (!(file->f_mode & FMODE_READ)) + return -EINVAL; + if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0) + return val; + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + abinfo.fragsize = s->dma_adc.fragsize; + count = s->dma_adc.count; + if (count < 0) + count = 0; + abinfo.bytes = count; + abinfo.fragstotal = s->dma_adc.numfrag; + abinfo.fragments = abinfo.bytes >> s->dma_adc.fragshift; + spin_unlock_irqrestore(&s->lock, flags); + return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; + + case SNDCTL_DSP_NONBLOCK: + file->f_flags |= O_NONBLOCK; + return 0; + + case SNDCTL_DSP_GETODELAY: + if (!(file->f_mode & FMODE_WRITE)) + return -EINVAL; + if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0) + return val; + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + count = s->dma_dac2.count; + spin_unlock_irqrestore(&s->lock, flags); + if (count < 0) + count = 0; + return put_user(count, p); + + case SNDCTL_DSP_GETIPTR: + if (!(file->f_mode & FMODE_READ)) + return -EINVAL; + if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0) + return val; + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + cinfo.bytes = s->dma_adc.total_bytes; + count = s->dma_adc.count; + if (count < 0) + count = 0; + cinfo.blocks = count >> s->dma_adc.fragshift; + cinfo.ptr = s->dma_adc.hwptr; + if (s->dma_adc.mapped) + s->dma_adc.count &= s->dma_adc.fragsize-1; + spin_unlock_irqrestore(&s->lock, flags); + if (copy_to_user(argp, &cinfo, sizeof(cinfo))) + return -EFAULT; + return 0; + + case SNDCTL_DSP_GETOPTR: + if (!(file->f_mode & FMODE_WRITE)) + return -EINVAL; + if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0) + return val; + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + cinfo.bytes = s->dma_dac2.total_bytes; + count = s->dma_dac2.count; + if (count < 0) + count = 0; + cinfo.blocks = count >> s->dma_dac2.fragshift; + cinfo.ptr = s->dma_dac2.hwptr; + if (s->dma_dac2.mapped) + s->dma_dac2.count &= s->dma_dac2.fragsize-1; + spin_unlock_irqrestore(&s->lock, flags); + if (copy_to_user(argp, &cinfo, sizeof(cinfo))) + return -EFAULT; + return 0; + + case SNDCTL_DSP_GETBLKSIZE: + if (file->f_mode & FMODE_WRITE) { + if ((val = prog_dmabuf_dac2(s))) + return val; + return put_user(s->dma_dac2.fragsize, p); + } + if ((val = prog_dmabuf_adc(s))) + return val; + return put_user(s->dma_adc.fragsize, p); + + case SNDCTL_DSP_SETFRAGMENT: + if (get_user(val, p)) + return -EFAULT; + if (file->f_mode & FMODE_READ) { + s->dma_adc.ossfragshift = val & 0xffff; + s->dma_adc.ossmaxfrags = (val >> 16) & 0xffff; + if (s->dma_adc.ossfragshift < 4) + s->dma_adc.ossfragshift = 4; + if (s->dma_adc.ossfragshift > 15) + s->dma_adc.ossfragshift = 15; + if (s->dma_adc.ossmaxfrags < 4) + s->dma_adc.ossmaxfrags = 4; + } + if (file->f_mode & FMODE_WRITE) { + s->dma_dac2.ossfragshift = val & 0xffff; + s->dma_dac2.ossmaxfrags = (val >> 16) & 0xffff; + if (s->dma_dac2.ossfragshift < 4) + s->dma_dac2.ossfragshift = 4; + if (s->dma_dac2.ossfragshift > 15) + s->dma_dac2.ossfragshift = 15; + if (s->dma_dac2.ossmaxfrags < 4) + s->dma_dac2.ossmaxfrags = 4; + } + return 0; + + case SNDCTL_DSP_SUBDIVIDE: + if ((file->f_mode & FMODE_READ && s->dma_adc.subdivision) || + (file->f_mode & FMODE_WRITE && s->dma_dac2.subdivision)) + return -EINVAL; + if (get_user(val, p)) + return -EFAULT; + if (val != 1 && val != 2 && val != 4) + return -EINVAL; + if (file->f_mode & FMODE_READ) + s->dma_adc.subdivision = val; + if (file->f_mode & FMODE_WRITE) + s->dma_dac2.subdivision = val; + return 0; + + case SOUND_PCM_READ_RATE: + return put_user(DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), p); + + case SOUND_PCM_READ_CHANNELS: + return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SMB : SCTRL_P2SMB)) ? + 2 : 1, p); + + case SOUND_PCM_READ_BITS: + return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SEB : SCTRL_P2SEB)) ? + 16 : 8, p); + + case SOUND_PCM_WRITE_FILTER: + case SNDCTL_DSP_SETSYNCRO: + case SOUND_PCM_READ_FILTER: + return -EINVAL; + + } + return mixer_ioctl(s, cmd, arg); +} + +static int es1370_open(struct inode *inode, struct file *file) +{ + unsigned int minor = iminor(inode); + DECLARE_WAITQUEUE(wait, current); + unsigned long flags; + struct list_head *list; + struct es1370_state *s; + + for (list = devs.next; ; list = list->next) { + if (list == &devs) + return -ENODEV; + s = list_entry(list, struct es1370_state, devs); + if (!((s->dev_audio ^ minor) & ~0xf)) + break; + } + VALIDATE_STATE(s); + file->private_data = s; + /* wait for device to become free */ + down(&s->open_sem); + while (s->open_mode & file->f_mode) { + if (file->f_flags & O_NONBLOCK) { + up(&s->open_sem); + return -EBUSY; + } + add_wait_queue(&s->open_wait, &wait); + __set_current_state(TASK_INTERRUPTIBLE); + up(&s->open_sem); + schedule(); + remove_wait_queue(&s->open_wait, &wait); + set_current_state(TASK_RUNNING); + if (signal_pending(current)) + return -ERESTARTSYS; + down(&s->open_sem); + } + spin_lock_irqsave(&s->lock, flags); + if (!(s->open_mode & (FMODE_READ|FMODE_WRITE))) + s->ctrl = (s->ctrl & ~CTRL_PCLKDIV) | (DAC2_SRTODIV(8000) << CTRL_SH_PCLKDIV); + if (file->f_mode & FMODE_READ) { + s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0; + s->dma_adc.enabled = 1; + s->sctrl &= ~SCTRL_R1FMT; + if ((minor & 0xf) == SND_DEV_DSP16) + s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_R1FMT; + else + s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_R1FMT; + } + if (file->f_mode & FMODE_WRITE) { + s->dma_dac2.ossfragshift = s->dma_dac2.ossmaxfrags = s->dma_dac2.subdivision = 0; + s->dma_dac2.enabled = 1; + s->sctrl &= ~SCTRL_P2FMT; + if ((minor & 0xf) == SND_DEV_DSP16) + s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_P2FMT; + else + s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_P2FMT; + } + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE); + up(&s->open_sem); + init_MUTEX(&s->sem); + return nonseekable_open(inode, file); +} + +static int es1370_release(struct inode *inode, struct file *file) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + + VALIDATE_STATE(s); + lock_kernel(); + if (file->f_mode & FMODE_WRITE) + drain_dac2(s, file->f_flags & O_NONBLOCK); + down(&s->open_sem); + if (file->f_mode & FMODE_WRITE) { + stop_dac2(s); + synchronize_irq(s->irq); + dealloc_dmabuf(s, &s->dma_dac2); + } + if (file->f_mode & FMODE_READ) { + stop_adc(s); + dealloc_dmabuf(s, &s->dma_adc); + } + s->open_mode &= ~(file->f_mode & (FMODE_READ|FMODE_WRITE)); + wake_up(&s->open_wait); + up(&s->open_sem); + unlock_kernel(); + return 0; +} + +static /*const*/ struct file_operations es1370_audio_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .read = es1370_read, + .write = es1370_write, + .poll = es1370_poll, + .ioctl = es1370_ioctl, + .mmap = es1370_mmap, + .open = es1370_open, + .release = es1370_release, +}; + +/* --------------------------------------------------------------------- */ + +static ssize_t es1370_write_dac(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + DECLARE_WAITQUEUE(wait, current); + ssize_t ret = 0; + unsigned long flags; + unsigned swptr; + int cnt; + + VALIDATE_STATE(s); + if (s->dma_dac1.mapped) + return -ENXIO; + if (!s->dma_dac1.ready && (ret = prog_dmabuf_dac1(s))) + return ret; + if (!access_ok(VERIFY_READ, buffer, count)) + return -EFAULT; + add_wait_queue(&s->dma_dac1.wait, &wait); + while (count > 0) { + spin_lock_irqsave(&s->lock, flags); + if (s->dma_dac1.count < 0) { + s->dma_dac1.count = 0; + s->dma_dac1.swptr = s->dma_dac1.hwptr; + } + swptr = s->dma_dac1.swptr; + cnt = s->dma_dac1.dmasize-swptr; + if (s->dma_dac1.count + cnt > s->dma_dac1.dmasize) + cnt = s->dma_dac1.dmasize - s->dma_dac1.count; + if (cnt <= 0) + __set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irqrestore(&s->lock, flags); + if (cnt > count) + cnt = count; + if (cnt <= 0) { + if (s->dma_dac1.enabled) + start_dac1(s); + if (file->f_flags & O_NONBLOCK) { + if (!ret) + ret = -EAGAIN; + break; + } + schedule(); + if (signal_pending(current)) { + if (!ret) + ret = -ERESTARTSYS; + break; + } + continue; + } + if (copy_from_user(s->dma_dac1.rawbuf + swptr, buffer, cnt)) { + if (!ret) + ret = -EFAULT; + break; + } + swptr = (swptr + cnt) % s->dma_dac1.dmasize; + spin_lock_irqsave(&s->lock, flags); + s->dma_dac1.swptr = swptr; + s->dma_dac1.count += cnt; + s->dma_dac1.endcleared = 0; + spin_unlock_irqrestore(&s->lock, flags); + count -= cnt; + buffer += cnt; + ret += cnt; + if (s->dma_dac1.enabled) + start_dac1(s); + } + remove_wait_queue(&s->dma_dac1.wait, &wait); + set_current_state(TASK_RUNNING); + return ret; +} + +/* No kernel lock - we have our own spinlock */ +static unsigned int es1370_poll_dac(struct file *file, struct poll_table_struct *wait) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + unsigned long flags; + unsigned int mask = 0; + + VALIDATE_STATE(s); + if (!s->dma_dac1.ready && prog_dmabuf_dac1(s)) + return 0; + poll_wait(file, &s->dma_dac1.wait, wait); + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + if (s->dma_dac1.mapped) { + if (s->dma_dac1.count >= (signed)s->dma_dac1.fragsize) + mask |= POLLOUT | POLLWRNORM; + } else { + if ((signed)s->dma_dac1.dmasize >= s->dma_dac1.count + (signed)s->dma_dac1.fragsize) + mask |= POLLOUT | POLLWRNORM; + } + spin_unlock_irqrestore(&s->lock, flags); + return mask; +} + +static int es1370_mmap_dac(struct file *file, struct vm_area_struct *vma) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + int ret; + unsigned long size; + + VALIDATE_STATE(s); + if (!(vma->vm_flags & VM_WRITE)) + return -EINVAL; + lock_kernel(); + if ((ret = prog_dmabuf_dac1(s)) != 0) + goto out; + ret = -EINVAL; + if (vma->vm_pgoff != 0) + goto out; + size = vma->vm_end - vma->vm_start; + if (size > (PAGE_SIZE << s->dma_dac1.buforder)) + goto out; + ret = -EAGAIN; + if (remap_pfn_range(vma, vma->vm_start, + virt_to_phys(s->dma_dac1.rawbuf) >> PAGE_SHIFT, + size, vma->vm_page_prot)) + goto out; + s->dma_dac1.mapped = 1; + ret = 0; +out: + unlock_kernel(); + return ret; +} + +static int es1370_ioctl_dac(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + unsigned long flags; + audio_buf_info abinfo; + count_info cinfo; + int count; + unsigned ctrl; + int val, ret; + int __user *p = (int __user *)arg; + + VALIDATE_STATE(s); + switch (cmd) { + case OSS_GETVERSION: + return put_user(SOUND_VERSION, p); + + case SNDCTL_DSP_SYNC: + return drain_dac1(s, 0/*file->f_flags & O_NONBLOCK*/); + + case SNDCTL_DSP_SETDUPLEX: + return -EINVAL; + + case SNDCTL_DSP_GETCAPS: + return put_user(DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP, p); + + case SNDCTL_DSP_RESET: + stop_dac1(s); + synchronize_irq(s->irq); + s->dma_dac1.swptr = s->dma_dac1.hwptr = s->dma_dac1.count = s->dma_dac1.total_bytes = 0; + return 0; + + case SNDCTL_DSP_SPEED: + if (get_user(val, p)) + return -EFAULT; + if (val >= 0) { + stop_dac1(s); + s->dma_dac1.ready = 0; + for (ctrl = 0; ctrl <= 2; ctrl++) + if (val < (dac1_samplerate[ctrl] + dac1_samplerate[ctrl+1]) / 2) + break; + spin_lock_irqsave(&s->lock, flags); + s->ctrl = (s->ctrl & ~CTRL_WTSRSEL) | (ctrl << CTRL_SH_WTSRSEL); + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + return put_user(dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], p); + + case SNDCTL_DSP_STEREO: + if (get_user(val, p)) + return -EFAULT; + stop_dac1(s); + s->dma_dac1.ready = 0; + spin_lock_irqsave(&s->lock, flags); + if (val) + s->sctrl |= SCTRL_P1SMB; + else + s->sctrl &= ~SCTRL_P1SMB; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + return 0; + + case SNDCTL_DSP_CHANNELS: + if (get_user(val, p)) + return -EFAULT; + if (val != 0) { + if (s->dma_dac1.mapped) + return -EINVAL; + stop_dac1(s); + s->dma_dac1.ready = 0; + spin_lock_irqsave(&s->lock, flags); + if (val >= 2) + s->sctrl |= SCTRL_P1SMB; + else + s->sctrl &= ~SCTRL_P1SMB; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + return put_user((s->sctrl & SCTRL_P1SMB) ? 2 : 1, p); + + case SNDCTL_DSP_GETFMTS: /* Returns a mask */ + return put_user(AFMT_S16_LE|AFMT_U8, p); + + case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/ + if (get_user(val, p)) + return -EFAULT; + if (val != AFMT_QUERY) { + stop_dac1(s); + s->dma_dac1.ready = 0; + spin_lock_irqsave(&s->lock, flags); + if (val == AFMT_S16_LE) + s->sctrl |= SCTRL_P1SEB; + else + s->sctrl &= ~SCTRL_P1SEB; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + } + return put_user((s->sctrl & SCTRL_P1SEB) ? AFMT_S16_LE : AFMT_U8, p); + + case SNDCTL_DSP_POST: + return 0; + + case SNDCTL_DSP_GETTRIGGER: + return put_user((s->ctrl & CTRL_DAC1_EN) ? PCM_ENABLE_OUTPUT : 0, p); + + case SNDCTL_DSP_SETTRIGGER: + if (get_user(val, p)) + return -EFAULT; + if (val & PCM_ENABLE_OUTPUT) { + if (!s->dma_dac1.ready && (ret = prog_dmabuf_dac1(s))) + return ret; + s->dma_dac1.enabled = 1; + start_dac1(s); + } else { + s->dma_dac1.enabled = 0; + stop_dac1(s); + } + return 0; + + case SNDCTL_DSP_GETOSPACE: + if (!s->dma_dac1.ready && (val = prog_dmabuf_dac1(s)) != 0) + return val; + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + abinfo.fragsize = s->dma_dac1.fragsize; + count = s->dma_dac1.count; + if (count < 0) + count = 0; + abinfo.bytes = s->dma_dac1.dmasize - count; + abinfo.fragstotal = s->dma_dac1.numfrag; + abinfo.fragments = abinfo.bytes >> s->dma_dac1.fragshift; + spin_unlock_irqrestore(&s->lock, flags); + return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; + + case SNDCTL_DSP_NONBLOCK: + file->f_flags |= O_NONBLOCK; + return 0; + + case SNDCTL_DSP_GETODELAY: + if (!s->dma_dac1.ready && (val = prog_dmabuf_dac1(s)) != 0) + return val; + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + count = s->dma_dac1.count; + spin_unlock_irqrestore(&s->lock, flags); + if (count < 0) + count = 0; + return put_user(count, p); + + case SNDCTL_DSP_GETOPTR: + if (!s->dma_dac1.ready && (val = prog_dmabuf_dac1(s)) != 0) + return val; + spin_lock_irqsave(&s->lock, flags); + es1370_update_ptr(s); + cinfo.bytes = s->dma_dac1.total_bytes; + count = s->dma_dac1.count; + if (count < 0) + count = 0; + cinfo.blocks = count >> s->dma_dac1.fragshift; + cinfo.ptr = s->dma_dac1.hwptr; + if (s->dma_dac1.mapped) + s->dma_dac1.count &= s->dma_dac1.fragsize-1; + spin_unlock_irqrestore(&s->lock, flags); + if (copy_to_user((void __user *)arg, &cinfo, sizeof(cinfo))) + return -EFAULT; + return 0; + + case SNDCTL_DSP_GETBLKSIZE: + if ((val = prog_dmabuf_dac1(s))) + return val; + return put_user(s->dma_dac1.fragsize, p); + + case SNDCTL_DSP_SETFRAGMENT: + if (get_user(val, p)) + return -EFAULT; + s->dma_dac1.ossfragshift = val & 0xffff; + s->dma_dac1.ossmaxfrags = (val >> 16) & 0xffff; + if (s->dma_dac1.ossfragshift < 4) + s->dma_dac1.ossfragshift = 4; + if (s->dma_dac1.ossfragshift > 15) + s->dma_dac1.ossfragshift = 15; + if (s->dma_dac1.ossmaxfrags < 4) + s->dma_dac1.ossmaxfrags = 4; + return 0; + + case SNDCTL_DSP_SUBDIVIDE: + if (s->dma_dac1.subdivision) + return -EINVAL; + if (get_user(val, p)) + return -EFAULT; + if (val != 1 && val != 2 && val != 4) + return -EINVAL; + s->dma_dac1.subdivision = val; + return 0; + + case SOUND_PCM_READ_RATE: + return put_user(dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], p); + + case SOUND_PCM_READ_CHANNELS: + return put_user((s->sctrl & SCTRL_P1SMB) ? 2 : 1, p); + + case SOUND_PCM_READ_BITS: + return put_user((s->sctrl & SCTRL_P1SEB) ? 16 : 8, p); + + case SOUND_PCM_WRITE_FILTER: + case SNDCTL_DSP_SETSYNCRO: + case SOUND_PCM_READ_FILTER: + return -EINVAL; + + } + return mixer_ioctl(s, cmd, arg); +} + +static int es1370_open_dac(struct inode *inode, struct file *file) +{ + unsigned int minor = iminor(inode); + DECLARE_WAITQUEUE(wait, current); + unsigned long flags; + struct list_head *list; + struct es1370_state *s; + + for (list = devs.next; ; list = list->next) { + if (list == &devs) + return -ENODEV; + s = list_entry(list, struct es1370_state, devs); + if (!((s->dev_dac ^ minor) & ~0xf)) + break; + } + VALIDATE_STATE(s); + /* we allow opening with O_RDWR, most programs do it although they will only write */ +#if 0 + if (file->f_mode & FMODE_READ) + return -EPERM; +#endif + if (!(file->f_mode & FMODE_WRITE)) + return -EINVAL; + file->private_data = s; + /* wait for device to become free */ + down(&s->open_sem); + while (s->open_mode & FMODE_DAC) { + if (file->f_flags & O_NONBLOCK) { + up(&s->open_sem); + return -EBUSY; + } + add_wait_queue(&s->open_wait, &wait); + __set_current_state(TASK_INTERRUPTIBLE); + up(&s->open_sem); + schedule(); + remove_wait_queue(&s->open_wait, &wait); + set_current_state(TASK_RUNNING); + if (signal_pending(current)) + return -ERESTARTSYS; + down(&s->open_sem); + } + s->dma_dac1.ossfragshift = s->dma_dac1.ossmaxfrags = s->dma_dac1.subdivision = 0; + s->dma_dac1.enabled = 1; + spin_lock_irqsave(&s->lock, flags); + s->ctrl = (s->ctrl & ~CTRL_WTSRSEL) | (1 << CTRL_SH_WTSRSEL); + s->sctrl &= ~SCTRL_P1FMT; + if ((minor & 0xf) == SND_DEV_DSP16) + s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_P1FMT; + else + s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_P1FMT; + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + spin_unlock_irqrestore(&s->lock, flags); + s->open_mode |= FMODE_DAC; + up(&s->open_sem); + return nonseekable_open(inode, file); +} + +static int es1370_release_dac(struct inode *inode, struct file *file) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + + VALIDATE_STATE(s); + lock_kernel(); + drain_dac1(s, file->f_flags & O_NONBLOCK); + down(&s->open_sem); + stop_dac1(s); + dealloc_dmabuf(s, &s->dma_dac1); + s->open_mode &= ~FMODE_DAC; + wake_up(&s->open_wait); + up(&s->open_sem); + unlock_kernel(); + return 0; +} + +static /*const*/ struct file_operations es1370_dac_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = es1370_write_dac, + .poll = es1370_poll_dac, + .ioctl = es1370_ioctl_dac, + .mmap = es1370_mmap_dac, + .open = es1370_open_dac, + .release = es1370_release_dac, +}; + +/* --------------------------------------------------------------------- */ + +static ssize_t es1370_midi_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + DECLARE_WAITQUEUE(wait, current); + ssize_t ret; + unsigned long flags; + unsigned ptr; + int cnt; + + VALIDATE_STATE(s); + if (!access_ok(VERIFY_WRITE, buffer, count)) + return -EFAULT; + if (count == 0) + return 0; + ret = 0; + add_wait_queue(&s->midi.iwait, &wait); + while (count > 0) { + spin_lock_irqsave(&s->lock, flags); + ptr = s->midi.ird; + cnt = MIDIINBUF - ptr; + if (s->midi.icnt < cnt) + cnt = s->midi.icnt; + if (cnt <= 0) + __set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irqrestore(&s->lock, flags); + if (cnt > count) + cnt = count; + if (cnt <= 0) { + if (file->f_flags & O_NONBLOCK) { + if (!ret) + ret = -EAGAIN; + break; + } + schedule(); + if (signal_pending(current)) { + if (!ret) + ret = -ERESTARTSYS; + break; + } + continue; + } + if (copy_to_user(buffer, s->midi.ibuf + ptr, cnt)) { + if (!ret) + ret = -EFAULT; + break; + } + ptr = (ptr + cnt) % MIDIINBUF; + spin_lock_irqsave(&s->lock, flags); + s->midi.ird = ptr; + s->midi.icnt -= cnt; + spin_unlock_irqrestore(&s->lock, flags); + count -= cnt; + buffer += cnt; + ret += cnt; + break; + } + __set_current_state(TASK_RUNNING); + remove_wait_queue(&s->midi.iwait, &wait); + return ret; +} + +static ssize_t es1370_midi_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + DECLARE_WAITQUEUE(wait, current); + ssize_t ret; + unsigned long flags; + unsigned ptr; + int cnt; + + VALIDATE_STATE(s); + if (!access_ok(VERIFY_READ, buffer, count)) + return -EFAULT; + if (count == 0) + return 0; + ret = 0; + add_wait_queue(&s->midi.owait, &wait); + while (count > 0) { + spin_lock_irqsave(&s->lock, flags); + ptr = s->midi.owr; + cnt = MIDIOUTBUF - ptr; + if (s->midi.ocnt + cnt > MIDIOUTBUF) + cnt = MIDIOUTBUF - s->midi.ocnt; + if (cnt <= 0) { + __set_current_state(TASK_INTERRUPTIBLE); + es1370_handle_midi(s); + } + spin_unlock_irqrestore(&s->lock, flags); + if (cnt > count) + cnt = count; + if (cnt <= 0) { + if (file->f_flags & O_NONBLOCK) { + if (!ret) + ret = -EAGAIN; + break; + } + schedule(); + if (signal_pending(current)) { + if (!ret) + ret = -ERESTARTSYS; + break; + } + continue; + } + if (copy_from_user(s->midi.obuf + ptr, buffer, cnt)) { + if (!ret) + ret = -EFAULT; + break; + } + ptr = (ptr + cnt) % MIDIOUTBUF; + spin_lock_irqsave(&s->lock, flags); + s->midi.owr = ptr; + s->midi.ocnt += cnt; + spin_unlock_irqrestore(&s->lock, flags); + count -= cnt; + buffer += cnt; + ret += cnt; + spin_lock_irqsave(&s->lock, flags); + es1370_handle_midi(s); + spin_unlock_irqrestore(&s->lock, flags); + } + __set_current_state(TASK_RUNNING); + remove_wait_queue(&s->midi.owait, &wait); + return ret; +} + +/* No kernel lock - we have our own spinlock */ +static unsigned int es1370_midi_poll(struct file *file, struct poll_table_struct *wait) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + unsigned long flags; + unsigned int mask = 0; + + VALIDATE_STATE(s); + if (file->f_mode & FMODE_WRITE) + poll_wait(file, &s->midi.owait, wait); + if (file->f_mode & FMODE_READ) + poll_wait(file, &s->midi.iwait, wait); + spin_lock_irqsave(&s->lock, flags); + if (file->f_mode & FMODE_READ) { + if (s->midi.icnt > 0) + mask |= POLLIN | POLLRDNORM; + } + if (file->f_mode & FMODE_WRITE) { + if (s->midi.ocnt < MIDIOUTBUF) + mask |= POLLOUT | POLLWRNORM; + } + spin_unlock_irqrestore(&s->lock, flags); + return mask; +} + +static int es1370_midi_open(struct inode *inode, struct file *file) +{ + unsigned int minor = iminor(inode); + DECLARE_WAITQUEUE(wait, current); + unsigned long flags; + struct list_head *list; + struct es1370_state *s; + + for (list = devs.next; ; list = list->next) { + if (list == &devs) + return -ENODEV; + s = list_entry(list, struct es1370_state, devs); + if (s->dev_midi == minor) + break; + } + VALIDATE_STATE(s); + file->private_data = s; + /* wait for device to become free */ + down(&s->open_sem); + while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) { + if (file->f_flags & O_NONBLOCK) { + up(&s->open_sem); + return -EBUSY; + } + add_wait_queue(&s->open_wait, &wait); + __set_current_state(TASK_INTERRUPTIBLE); + up(&s->open_sem); + schedule(); + remove_wait_queue(&s->open_wait, &wait); + set_current_state(TASK_RUNNING); + if (signal_pending(current)) + return -ERESTARTSYS; + down(&s->open_sem); + } + spin_lock_irqsave(&s->lock, flags); + if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) { + s->midi.ird = s->midi.iwr = s->midi.icnt = 0; + s->midi.ord = s->midi.owr = s->midi.ocnt = 0; + outb(UCTRL_CNTRL_SWR, s->io+ES1370_REG_UART_CONTROL); + outb(0, s->io+ES1370_REG_UART_CONTROL); + outb(0, s->io+ES1370_REG_UART_TEST); + } + if (file->f_mode & FMODE_READ) { + s->midi.ird = s->midi.iwr = s->midi.icnt = 0; + } + if (file->f_mode & FMODE_WRITE) { + s->midi.ord = s->midi.owr = s->midi.ocnt = 0; + } + s->ctrl |= CTRL_UART_EN; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + es1370_handle_midi(s); + spin_unlock_irqrestore(&s->lock, flags); + s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE); + up(&s->open_sem); + return nonseekable_open(inode, file); +} + +static int es1370_midi_release(struct inode *inode, struct file *file) +{ + struct es1370_state *s = (struct es1370_state *)file->private_data; + DECLARE_WAITQUEUE(wait, current); + unsigned long flags; + unsigned count, tmo; + + VALIDATE_STATE(s); + + lock_kernel(); + if (file->f_mode & FMODE_WRITE) { + add_wait_queue(&s->midi.owait, &wait); + for (;;) { + __set_current_state(TASK_INTERRUPTIBLE); + spin_lock_irqsave(&s->lock, flags); + count = s->midi.ocnt; + spin_unlock_irqrestore(&s->lock, flags); + if (count <= 0) + break; + if (signal_pending(current)) + break; + if (file->f_flags & O_NONBLOCK) + break; + tmo = (count * HZ) / 3100; + if (!schedule_timeout(tmo ? : 1) && tmo) + DBG(printk(KERN_DEBUG "es1370: midi timed out??\n");) + } + remove_wait_queue(&s->midi.owait, &wait); + set_current_state(TASK_RUNNING); + } + down(&s->open_sem); + s->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ|FMODE_MIDI_WRITE)); + spin_lock_irqsave(&s->lock, flags); + if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) { + s->ctrl &= ~CTRL_UART_EN; + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + } + spin_unlock_irqrestore(&s->lock, flags); + wake_up(&s->open_wait); + up(&s->open_sem); + unlock_kernel(); + return 0; +} + +static /*const*/ struct file_operations es1370_midi_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .read = es1370_midi_read, + .write = es1370_midi_write, + .poll = es1370_midi_poll, + .open = es1370_midi_open, + .release = es1370_midi_release, +}; + +/* --------------------------------------------------------------------- */ + +/* maximum number of devices; only used for command line params */ +#define NR_DEVICE 5 + +static int lineout[NR_DEVICE]; +static int micbias[NR_DEVICE]; + +static unsigned int devindex; + +module_param_array(lineout, bool, NULL, 0); +MODULE_PARM_DESC(lineout, "if 1 the LINE input is converted to LINE out"); +module_param_array(micbias, bool, NULL, 0); +MODULE_PARM_DESC(micbias, "sets the +5V bias for an electret microphone"); + +MODULE_AUTHOR("Thomas M. Sailer, sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu"); +MODULE_DESCRIPTION("ES1370 AudioPCI Driver"); +MODULE_LICENSE("GPL"); + + +/* --------------------------------------------------------------------- */ + +static struct initvol { + int mixch; + int vol; +} initvol[] __devinitdata = { + { SOUND_MIXER_WRITE_VOLUME, 0x4040 }, + { SOUND_MIXER_WRITE_PCM, 0x4040 }, + { SOUND_MIXER_WRITE_SYNTH, 0x4040 }, + { SOUND_MIXER_WRITE_CD, 0x4040 }, + { SOUND_MIXER_WRITE_LINE, 0x4040 }, + { SOUND_MIXER_WRITE_LINE1, 0x4040 }, + { SOUND_MIXER_WRITE_LINE2, 0x4040 }, + { SOUND_MIXER_WRITE_LINE3, 0x4040 }, + { SOUND_MIXER_WRITE_MIC, 0x4040 }, + { SOUND_MIXER_WRITE_OGAIN, 0x4040 } +}; + +static int __devinit es1370_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid) +{ + struct es1370_state *s; + struct gameport *gp = NULL; + mm_segment_t fs; + int i, val, ret; + + if ((ret=pci_enable_device(pcidev))) + return ret; + + if ( !(pci_resource_flags(pcidev, 0) & IORESOURCE_IO) || + !pci_resource_start(pcidev, 0) + ) + return -ENODEV; + if (pcidev->irq == 0) + return -ENODEV; + i = pci_set_dma_mask(pcidev, 0xffffffff); + if (i) { + printk(KERN_WARNING "es1370: architecture does not support 32bit PCI busmaster DMA\n"); + return i; + } + if (!(s = kmalloc(sizeof(struct es1370_state), GFP_KERNEL))) { + printk(KERN_WARNING "es1370: out of memory\n"); + return -ENOMEM; + } + memset(s, 0, sizeof(struct es1370_state)); + init_waitqueue_head(&s->dma_adc.wait); + init_waitqueue_head(&s->dma_dac1.wait); + init_waitqueue_head(&s->dma_dac2.wait); + init_waitqueue_head(&s->open_wait); + init_waitqueue_head(&s->midi.iwait); + init_waitqueue_head(&s->midi.owait); + init_MUTEX(&s->open_sem); + spin_lock_init(&s->lock); + s->magic = ES1370_MAGIC; + s->dev = pcidev; + s->io = pci_resource_start(pcidev, 0); + s->irq = pcidev->irq; + if (!request_region(s->io, ES1370_EXTENT, "es1370")) { + printk(KERN_ERR "es1370: io ports %#lx-%#lx in use\n", s->io, s->io+ES1370_EXTENT-1); + ret = -EBUSY; + goto err_region; + } + if ((ret=request_irq(s->irq, es1370_interrupt, SA_SHIRQ, "es1370",s))) { + printk(KERN_ERR "es1370: irq %u in use\n", s->irq); + goto err_irq; + } + + /* initialize codec registers */ + /* note: setting CTRL_SERR_DIS is reported to break + * mic bias setting (by Kim.Berts@fisub.mail.abb.com) */ + s->ctrl = CTRL_CDC_EN | (DAC2_SRTODIV(8000) << CTRL_SH_PCLKDIV) | (1 << CTRL_SH_WTSRSEL); + if (!request_region(0x200, JOY_EXTENT, "es1370")) { + printk(KERN_ERR "es1370: joystick io port 0x200 in use\n"); + } else if (!(s->gameport = gp = gameport_allocate_port())) { + printk(KERN_ERR "es1370: can not allocate memory for gameport\n"); + release_region(0x200, JOY_EXTENT); + } else { + gameport_set_name(gp, "ESS1370"); + gameport_set_phys(gp, "pci%s/gameport0", pci_name(s->dev)); + gp->dev.parent = &s->dev->dev; + gp->io = 0x200; + s->ctrl |= CTRL_JYSTK_EN; + } + if (lineout[devindex]) + s->ctrl |= CTRL_XCTL0; + if (micbias[devindex]) + s->ctrl |= CTRL_XCTL1; + s->sctrl = 0; + printk(KERN_INFO "es1370: found adapter at io %#lx irq %u\n" + KERN_INFO "es1370: features: joystick %s, line %s, mic impedance %s\n", + s->io, s->irq, (s->ctrl & CTRL_JYSTK_EN) ? "on" : "off", + (s->ctrl & CTRL_XCTL0) ? "out" : "in", + (s->ctrl & CTRL_XCTL1) ? "1" : "0"); + /* register devices */ + if ((s->dev_audio = register_sound_dsp(&es1370_audio_fops, -1)) < 0) { + ret = s->dev_audio; + goto err_dev1; + } + if ((s->dev_mixer = register_sound_mixer(&es1370_mixer_fops, -1)) < 0) { + ret = s->dev_mixer; + goto err_dev2; + } + if ((s->dev_dac = register_sound_dsp(&es1370_dac_fops, -1)) < 0) { + ret = s->dev_dac; + goto err_dev3; + } + if ((s->dev_midi = register_sound_midi(&es1370_midi_fops, -1)) < 0) { + ret = s->dev_midi; + goto err_dev4; + } + /* initialize the chips */ + outl(s->ctrl, s->io+ES1370_REG_CONTROL); + outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL); + /* point phantom write channel to "bugbuf" */ + s->bugbuf_cpu = pci_alloc_consistent(pcidev,16,&s->bugbuf_dma); + if (!s->bugbuf_cpu) { + ret = -ENOMEM; + goto err_dev5; + } + outl((ES1370_REG_PHANTOM_FRAMEADR >> 8) & 15, s->io+ES1370_REG_MEMPAGE); + outl(s->bugbuf_dma, s->io+(ES1370_REG_PHANTOM_FRAMEADR & 0xff)); + outl(0, s->io+(ES1370_REG_PHANTOM_FRAMECNT & 0xff)); + pci_set_master(pcidev); /* enable bus mastering */ + wrcodec(s, 0x16, 3); /* no RST, PD */ + wrcodec(s, 0x17, 0); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off the LRCLK2 PLL; program DAC_SYNC=0!! */ + wrcodec(s, 0x18, 0); /* recording source is mixer */ + wrcodec(s, 0x19, s->mix.micpreamp = 1); /* turn on MIC preamp */ + s->mix.imix = 1; + fs = get_fs(); + set_fs(KERNEL_DS); + val = SOUND_MASK_LINE|SOUND_MASK_SYNTH|SOUND_MASK_CD; + mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long)&val); + for (i = 0; i < sizeof(initvol)/sizeof(initvol[0]); i++) { + val = initvol[i].vol; + mixer_ioctl(s, initvol[i].mixch, (unsigned long)&val); + } + set_fs(fs); + + /* register gameport */ + if (gp) + gameport_register_port(gp); + + /* store it in the driver field */ + pci_set_drvdata(pcidev, s); + /* put it into driver list */ + list_add_tail(&s->devs, &devs); + /* increment devindex */ + if (devindex < NR_DEVICE-1) + devindex++; + return 0; + + err_dev5: + unregister_sound_midi(s->dev_midi); + err_dev4: + unregister_sound_dsp(s->dev_dac); + err_dev3: + unregister_sound_mixer(s->dev_mixer); + err_dev2: + unregister_sound_dsp(s->dev_audio); + err_dev1: + printk(KERN_ERR "es1370: cannot register misc device\n"); + free_irq(s->irq, s); + if (s->gameport) { + release_region(s->gameport->io, JOY_EXTENT); + gameport_free_port(s->gameport); + } + err_irq: + release_region(s->io, ES1370_EXTENT); + err_region: + kfree(s); + return ret; +} + +static void __devexit es1370_remove(struct pci_dev *dev) +{ + struct es1370_state *s = pci_get_drvdata(dev); + + if (!s) + return; + list_del(&s->devs); + outl(CTRL_SERR_DIS | (1 << CTRL_SH_WTSRSEL), s->io+ES1370_REG_CONTROL); /* switch everything off */ + outl(0, s->io+ES1370_REG_SERIAL_CONTROL); /* clear serial interrupts */ + synchronize_irq(s->irq); + free_irq(s->irq, s); + if (s->gameport) { + int gpio = s->gameport->io; + gameport_unregister_port(s->gameport); + release_region(gpio, JOY_EXTENT); + } + release_region(s->io, ES1370_EXTENT); + unregister_sound_dsp(s->dev_audio); + unregister_sound_mixer(s->dev_mixer); + unregister_sound_dsp(s->dev_dac); + unregister_sound_midi(s->dev_midi); + pci_free_consistent(dev, 16, s->bugbuf_cpu, s->bugbuf_dma); + kfree(s); + pci_set_drvdata(dev, NULL); +} + +static struct pci_device_id id_table[] = { + { PCI_VENDOR_ID_ENSONIQ, PCI_DEVICE_ID_ENSONIQ_ES1370, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, + { 0, } +}; + +MODULE_DEVICE_TABLE(pci, id_table); + +static struct pci_driver es1370_driver = { + .name = "es1370", + .id_table = id_table, + .probe = es1370_probe, + .remove = __devexit_p(es1370_remove), +}; + +static int __init init_es1370(void) +{ + printk(KERN_INFO "es1370: version v0.38 time " __TIME__ " " __DATE__ "\n"); + return pci_module_init(&es1370_driver); +} + +static void __exit cleanup_es1370(void) +{ + printk(KERN_INFO "es1370: unloading\n"); + pci_unregister_driver(&es1370_driver); +} + +module_init(init_es1370); +module_exit(cleanup_es1370); + +/* --------------------------------------------------------------------- */ + +#ifndef MODULE + +/* format is: es1370=lineout[,micbias]] */ + +static int __init es1370_setup(char *str) +{ + static unsigned __initdata nr_dev = 0; + + if (nr_dev >= NR_DEVICE) + return 0; + + (void) + ((get_option(&str,&lineout [nr_dev]) == 2) + && get_option(&str,&micbias [nr_dev]) + ); + + nr_dev++; + return 1; +} + +__setup("es1370=", es1370_setup); + +#endif /* MODULE */ |