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Diffstat (limited to 'sound/oss/es1370.c')
| -rw-r--r-- | sound/oss/es1370.c | 2819 |
1 files changed, 0 insertions, 2819 deletions
diff --git a/sound/oss/es1370.c b/sound/oss/es1370.c deleted file mode 100644 index 13f48314973..00000000000 --- a/sound/oss/es1370.c +++ /dev/null @@ -1,2819 +0,0 @@ -/*****************************************************************************/ - -/* - * 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 <linux/dma-mapping.h> -#include <linux/mutex.h> - -#include <asm/io.h> -#include <asm/page.h> -#include <asm/uaccess.h> - -#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) -#define SUPPORT_JOYSTICK -#endif - -/* --------------------------------------------------------------------- */ - -#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 mutex open_mutex; - 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; - -#ifdef SUPPORT_JOYSTICK - struct gameport *gameport; -#endif - - struct mutex mutex; -}; - -/* --------------------------------------------------------------------- */ - -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; - mutex_lock(&s->mutex); - 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; - } - mutex_unlock(&s->mutex); - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out; - } - mutex_lock(&s->mutex); - 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: - mutex_unlock(&s->mutex); - 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; - mutex_lock(&s->mutex); - 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; - } - mutex_unlock(&s->mutex); - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out; - } - mutex_lock(&s->mutex); - 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: - mutex_unlock(&s->mutex); - 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(); - mutex_lock(&s->mutex); - 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: - mutex_unlock(&s->mutex); - 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 */ - mutex_lock(&s->open_mutex); - while (s->open_mode & file->f_mode) { - if (file->f_flags & O_NONBLOCK) { - mutex_unlock(&s->open_mutex); - return -EBUSY; - } - add_wait_queue(&s->open_wait, &wait); - __set_current_state(TASK_INTERRUPTIBLE); - mutex_unlock(&s->open_mutex); - schedule(); - remove_wait_queue(&s->open_wait, &wait); - set_current_state(TASK_RUNNING); - if (signal_pending(current)) - return -ERESTARTSYS; - mutex_lock(&s->open_mutex); - } - 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); - mutex_unlock(&s->open_mutex); - mutex_init(&s->mutex); - 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); - mutex_lock(&s->open_mutex); - 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); - mutex_unlock(&s->open_mutex); - 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 */ - mutex_lock(&s->open_mutex); - while (s->open_mode & FMODE_DAC) { - if (file->f_flags & O_NONBLOCK) { - mutex_unlock(&s->open_mutex); - return -EBUSY; - } - add_wait_queue(&s->open_wait, &wait); - __set_current_state(TASK_INTERRUPTIBLE); - mutex_unlock(&s->open_mutex); - schedule(); - remove_wait_queue(&s->open_wait, &wait); - set_current_state(TASK_RUNNING); - if (signal_pending(current)) - return -ERESTARTSYS; - mutex_lock(&s->open_mutex); - } - 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; - mutex_unlock(&s->open_mutex); - 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); - mutex_lock(&s->open_mutex); - stop_dac1(s); - dealloc_dmabuf(s, &s->dma_dac1); - s->open_mode &= ~FMODE_DAC; - wake_up(&s->open_wait); - mutex_unlock(&s->open_mutex); - 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 */ - mutex_lock(&s->open_mutex); - while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) { - if (file->f_flags & O_NONBLOCK) { - mutex_unlock(&s->open_mutex); - return -EBUSY; - } - add_wait_queue(&s->open_wait, &wait); - __set_current_state(TASK_INTERRUPTIBLE); - mutex_unlock(&s->open_mutex); - schedule(); - remove_wait_queue(&s->open_wait, &wait); - set_current_state(TASK_RUNNING); - if (signal_pending(current)) - return -ERESTARTSYS; - mutex_lock(&s->open_mutex); - } - 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); - mutex_unlock(&s->open_mutex); - 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); - } - mutex_lock(&s->open_mutex); - 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); - mutex_unlock(&s->open_mutex); - 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 } -}; - -#ifdef SUPPORT_JOYSTICK - -static int __devinit es1370_register_gameport(struct es1370_state *s) -{ - struct gameport *gp; - - if (!request_region(0x200, JOY_EXTENT, "es1370")) { - printk(KERN_ERR "es1370: joystick io port 0x200 in use\n"); - return -EBUSY; - } - - s->gameport = gp = gameport_allocate_port(); - if (!gp) { - printk(KERN_ERR "es1370: can not allocate memory for gameport\n"); - release_region(0x200, JOY_EXTENT); - return -ENOMEM; - } - - 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; - outl(s->ctrl, s->io + ES1370_REG_CONTROL); - - gameport_register_port(gp); - - return 0; -} - -static inline void es1370_unregister_gameport(struct es1370_state *s) -{ - if (s->gameport) { - int gpio = s->gameport->io; - gameport_unregister_port(s->gameport); - release_region(gpio, JOY_EXTENT); - - } -} - -#else -static inline int es1370_register_gameport(struct es1370_state *s) { return -ENOSYS; } -static inline void es1370_unregister_gameport(struct es1370_state *s) { } -#endif /* SUPPORT_JOYSTICK */ - -static int __devinit es1370_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid) -{ - struct es1370_state *s; - 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, DMA_32BIT_MASK); - 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); - mutex_init(&s->open_mutex); - 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, IRQF_SHARED, "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 (lineout[devindex]) - s->ctrl |= CTRL_XCTL0; - if (micbias[devindex]) - s->ctrl |= CTRL_XCTL1; - s->sctrl = 0; - printk(KERN_INFO "es1370: adapter at io %#lx irq %u, line %s, mic impedance %s\n", - s->io, s->irq, (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); - - es1370_register_gameport(s); - - /* 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); - 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); - es1370_unregister_gameport(s); - 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_register_driver(&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 */ |