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Diffstat (limited to 'sound/oss/es1371.c')
| -rw-r--r-- | sound/oss/es1371.c | 3131 |
1 files changed, 0 insertions, 3131 deletions
diff --git a/sound/oss/es1371.c b/sound/oss/es1371.c deleted file mode 100644 index 5264857..0000000 --- a/sound/oss/es1371.c +++ /dev/null @@ -1,3131 +0,0 @@ -/*****************************************************************************/ - -/* - * es1371.c -- Creative Ensoniq ES1371. - * - * 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 Ensoniq - * - * 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 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 - * 04.06.1998 0.1 Initial release - * Mixer stuff should be overhauled; especially optional AC97 mixer bits - * should be detected. This results in strange behaviour of some mixer - * settings, like master volume and mic. - * 08.06.1998 0.2 First release using Alan Cox' soundcore instead of miscdevice - * 03.08.1998 0.3 Do not include modversions.h - * Now mixer behaviour can basically be selected between - * "OSS documented" and "OSS actual" behaviour - * 31.08.1998 0.4 Fix realplayer problems - dac.count issues - * 27.10.1998 0.5 Fix joystick support - * -- Oliver Neukum (c188@org.chemie.uni-muenchen.de) - * 10.12.1998 0.6 Fix drain_dac trying to wait on not yet initialized DMA - * 23.12.1998 0.7 Fix a few f_file & FMODE_ bugs - * Don't wake up app until there are fragsize bytes to read/write - * 06.01.1999 0.8 remove the silly SA_INTERRUPT flag. - * hopefully killed the egcs section type conflict - * 12.03.1999 0.9 cinfo.blocks should be reset after GETxPTR ioctl. - * reported by Johan Maes <joma@telindus.be> - * 22.03.1999 0.10 return EAGAIN instead of EBUSY when O_NONBLOCK - * read/write cannot be executed - * 07.04.1999 0.11 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> - * Another Alpha fix (wait_src_ready in init routine) - * reported by "Ivan N. Kokshaysky" <ink@jurassic.park.msu.ru> - * Note: joystick address handling might still be wrong on archs - * other than i386 - * 15.06.1999 0.12 Fix bad allocation bug. - * Thanks to Deti Fliegl <fliegl@in.tum.de> - * 28.06.1999 0.13 Add pci_set_master - * 03.08.1999 0.14 adapt to Linus' new __setup/__initcall - * added kernel command line option "es1371=joystickaddr" - * removed CONFIG_SOUND_ES1371_JOYPORT_BOOT kludge - * 10.08.1999 0.15 (Re)added S/PDIF module option for cards revision >= 4. - * Initial version by Dave Platt <dplatt@snulbug.mtview.ca.us>. - * module_init/__setup fixes - * 08.16.1999 0.16 Joe Cotellese <joec@ensoniq.com> - * Added detection for ES1371 revision ID so that we can - * detect the ES1373 and later parts. - * added AC97 #defines for readability - * added a /proc file system for dumping hardware state - * updated SRC and CODEC w/r functions to accommodate bugs - * in some versions of the ES137x chips. - * 31.08.1999 0.17 add spin_lock_init - * replaced current->state = x with set_current_state(x) - * 03.09.1999 0.18 change read semantics for MIDI to match - * OSS more closely; remove possible wakeup race - * 21.10.1999 0.19 Round sampling rates, requested by - * Kasamatsu Kenichi <t29w0267@ip.media.kyoto-u.ac.jp> - * 27.10.1999 0.20 Added SigmaTel 3D enhancement string - * Codec ID printing changes - * 28.10.1999 0.21 More waitqueue races fixed - * Joe Cotellese <joec@ensoniq.com> - * Changed PCI detection routine so we can more easily - * detect ES137x chip and derivatives. - * 05.01.2000 0.22 Should now work with rev7 boards; patch by - * Eric Lemar, elemar@cs.washington.edu - * 08.01.2000 0.23 Prevent some ioctl's from returning bad count values on underrun/overrun; - * Tim Janik's BSE (Bedevilled Sound Engine) found this - * 07.02.2000 0.24 Use pci_alloc_consistent and pci_register_driver - * 07.02.2000 0.25 Use ac97_codec - * 01.03.2000 0.26 SPDIF patch by Mikael Bouillot <mikael.bouillot@bigfoot.com> - * Use pci_module_init - * 21.11.2000 0.27 Initialize dma buffers in poll, otherwise poll may return a bogus mask - * 12.12.2000 0.28 More dma buffer initializations, patch from - * Tjeerd Mulder <tjeerd.mulder@fujitsu-siemens.com> - * 05.01.2001 0.29 Hopefully updates will not be required anymore when Creative bumps - * the CT5880 revision. - * suggested by Stephan Müller <smueller@chronox.de> - * 31.01.2001 0.30 Register/Unregister gameport - * Fix SETTRIGGER non OSS API conformity - * 14.07.2001 0.31 Add list of laptops needing amplifier control - * 03.01.2003 0.32 open_mode fixes from Georg Acher <acher@in.tum.de> - */ - -/*****************************************************************************/ - -#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/init.h> -#include <linux/poll.h> -#include <linux/bitops.h> -#include <linux/proc_fs.h> -#include <linux/spinlock.h> -#include <linux/smp_lock.h> -#include <linux/ac97_codec.h> -#include <linux/gameport.h> -#include <linux/wait.h> -#include <linux/dma-mapping.h> -#include <linux/mutex.h> -#include <linux/mm.h> -#include <linux/kernel.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 ES1371_DEBUG -#define DBG(x) {} -/*#define DBG(x) {x}*/ - -/* --------------------------------------------------------------------- */ - -#ifndef PCI_VENDOR_ID_ENSONIQ -#define PCI_VENDOR_ID_ENSONIQ 0x1274 -#endif - -#ifndef PCI_VENDOR_ID_ECTIVA -#define PCI_VENDOR_ID_ECTIVA 0x1102 -#endif - -#ifndef PCI_DEVICE_ID_ENSONIQ_ES1371 -#define PCI_DEVICE_ID_ENSONIQ_ES1371 0x1371 -#endif - -#ifndef PCI_DEVICE_ID_ENSONIQ_CT5880 -#define PCI_DEVICE_ID_ENSONIQ_CT5880 0x5880 -#endif - -#ifndef PCI_DEVICE_ID_ECTIVA_EV1938 -#define PCI_DEVICE_ID_ECTIVA_EV1938 0x8938 -#endif - -/* ES1371 chip ID */ -/* This is a little confusing because all ES1371 compatible chips have the - same DEVICE_ID, the only thing differentiating them is the REV_ID field. - This is only significant if you want to enable features on the later parts. - Yes, I know it's stupid and why didn't we use the sub IDs? -*/ -#define ES1371REV_ES1373_A 0x04 -#define ES1371REV_ES1373_B 0x06 -#define ES1371REV_CT5880_A 0x07 -#define CT5880REV_CT5880_C 0x02 -#define CT5880REV_CT5880_D 0x03 -#define ES1371REV_ES1371_B 0x09 -#define EV1938REV_EV1938_A 0x00 -#define ES1371REV_ES1373_8 0x08 - -#define ES1371_MAGIC ((PCI_VENDOR_ID_ENSONIQ<<16)|PCI_DEVICE_ID_ENSONIQ_ES1371) - -#define ES1371_EXTENT 0x40 -#define JOY_EXTENT 8 - -#define ES1371_REG_CONTROL 0x00 -#define ES1371_REG_STATUS 0x04 /* on the 5880 it is control/status */ -#define ES1371_REG_UART_DATA 0x08 -#define ES1371_REG_UART_STATUS 0x09 -#define ES1371_REG_UART_CONTROL 0x09 -#define ES1371_REG_UART_TEST 0x0a -#define ES1371_REG_MEMPAGE 0x0c -#define ES1371_REG_SRCONV 0x10 -#define ES1371_REG_CODEC 0x14 -#define ES1371_REG_LEGACY 0x18 -#define ES1371_REG_SERIAL_CONTROL 0x20 -#define ES1371_REG_DAC1_SCOUNT 0x24 -#define ES1371_REG_DAC2_SCOUNT 0x28 -#define ES1371_REG_ADC_SCOUNT 0x2c - -#define ES1371_REG_DAC1_FRAMEADR 0xc30 -#define ES1371_REG_DAC1_FRAMECNT 0xc34 -#define ES1371_REG_DAC2_FRAMEADR 0xc38 -#define ES1371_REG_DAC2_FRAMECNT 0xc3c -#define ES1371_REG_ADC_FRAMEADR 0xd30 -#define ES1371_REG_ADC_FRAMECNT 0xd34 - -#define ES1371_FMT_U8_MONO 0 -#define ES1371_FMT_U8_STEREO 1 -#define ES1371_FMT_S16_MONO 2 -#define ES1371_FMT_S16_STEREO 3 -#define ES1371_FMT_STEREO 1 -#define ES1371_FMT_S16 2 -#define ES1371_FMT_MASK 3 - -static const unsigned sample_size[] = { 1, 2, 2, 4 }; -static const unsigned sample_shift[] = { 0, 1, 1, 2 }; - -#define CTRL_RECEN_B 0x08000000 /* 1 = don't mix analog in to digital out */ -#define CTRL_SPDIFEN_B 0x04000000 -#define CTRL_JOY_SHIFT 24 -#define CTRL_JOY_MASK 3 -#define CTRL_JOY_200 0x00000000 /* joystick base address */ -#define CTRL_JOY_208 0x01000000 -#define CTRL_JOY_210 0x02000000 -#define CTRL_JOY_218 0x03000000 -#define CTRL_GPIO_IN0 0x00100000 /* general purpose inputs/outputs */ -#define CTRL_GPIO_IN1 0x00200000 -#define CTRL_GPIO_IN2 0x00400000 -#define CTRL_GPIO_IN3 0x00800000 -#define CTRL_GPIO_OUT0 0x00010000 -#define CTRL_GPIO_OUT1 0x00020000 -#define CTRL_GPIO_OUT2 0x00040000 -#define CTRL_GPIO_OUT3 0x00080000 -#define CTRL_MSFMTSEL 0x00008000 /* MPEG serial data fmt: 0 = Sony, 1 = I2S */ -#define CTRL_SYNCRES 0x00004000 /* AC97 warm reset */ -#define CTRL_ADCSTOP 0x00002000 /* stop ADC transfers */ -#define CTRL_PWR_INTRM 0x00001000 /* 1 = power level ints enabled */ -#define CTRL_M_CB 0x00000800 /* recording source: 0 = ADC, 1 = MPEG */ -#define CTRL_CCB_INTRM 0x00000400 /* 1 = CCB "voice" ints enabled */ -#define CTRL_PDLEV0 0x00000000 /* power down level */ -#define CTRL_PDLEV1 0x00000100 -#define CTRL_PDLEV2 0x00000200 -#define CTRL_PDLEV3 0x00000300 -#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 */ -#define CTRL_XTALCLKDIS 0x00000002 /* 1 = disable crystal clock input */ -#define CTRL_PCICLKDIS 0x00000001 /* 1 = disable PCI clock distribution */ - - -#define STAT_INTR 0x80000000 /* wired or of all interrupt bits */ -#define CSTAT_5880_AC97_RST 0x20000000 /* CT5880 Reset bit */ -#define STAT_EN_SPDIF 0x00040000 /* enable S/PDIF circuitry */ -#define STAT_TS_SPDIF 0x00020000 /* test S/PDIF circuitry */ -#define STAT_TESTMODE 0x00010000 /* test ASIC */ -#define STAT_SYNC_ERR 0x00000100 /* 1 = codec sync error */ -#define STAT_VC 0x000000c0 /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */ -#define STAT_SH_VC 6 -#define STAT_MPWR 0x00000020 /* power level interrupt */ -#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 */ - -/* sample rate converter */ -#define SRC_OKSTATE 1 - -#define SRC_RAMADDR_MASK 0xfe000000 -#define SRC_RAMADDR_SHIFT 25 -#define SRC_DAC1FREEZE (1UL << 21) -#define SRC_DAC2FREEZE (1UL << 20) -#define SRC_ADCFREEZE (1UL << 19) - - -#define SRC_WE 0x01000000 /* read/write control for SRC RAM */ -#define SRC_BUSY 0x00800000 /* SRC busy */ -#define SRC_DIS 0x00400000 /* 1 = disable SRC */ -#define SRC_DDAC1 0x00200000 /* 1 = disable accum update for DAC1 */ -#define SRC_DDAC2 0x00100000 /* 1 = disable accum update for DAC2 */ -#define SRC_DADC 0x00080000 /* 1 = disable accum update for ADC2 */ -#define SRC_CTLMASK 0x00780000 -#define SRC_RAMDATA_MASK 0x0000ffff -#define SRC_RAMDATA_SHIFT 0 - -#define SRCREG_ADC 0x78 -#define SRCREG_DAC1 0x70 -#define SRCREG_DAC2 0x74 -#define SRCREG_VOL_ADC 0x6c -#define SRCREG_VOL_DAC1 0x7c -#define SRCREG_VOL_DAC2 0x7e - -#define SRCREG_TRUNC_N 0x00 -#define SRCREG_INT_REGS 0x01 -#define SRCREG_ACCUM_FRAC 0x02 -#define SRCREG_VFREQ_FRAC 0x03 - -#define CODEC_PIRD 0x00800000 /* 0 = write AC97 register */ -#define CODEC_PIADD_MASK 0x007f0000 -#define CODEC_PIADD_SHIFT 16 -#define CODEC_PIDAT_MASK 0x0000ffff -#define CODEC_PIDAT_SHIFT 0 - -#define CODEC_RDY 0x80000000 /* AC97 read data valid */ -#define CODEC_WIP 0x40000000 /* AC97 write in progress */ -#define CODEC_PORD 0x00800000 /* 0 = write AC97 register */ -#define CODEC_POADD_MASK 0x007f0000 -#define CODEC_POADD_SHIFT 16 -#define CODEC_PODAT_MASK 0x0000ffff -#define CODEC_PODAT_SHIFT 0 - - -#define LEGACY_JFAST 0x80000000 /* fast joystick timing */ -#define LEGACY_FIRQ 0x01000000 /* force IRQ */ - -#define SCTRL_DACTEST 0x00400000 /* 1 = DAC test, test vector generation purposes */ -#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 POLL_COUNT 0x1000 -#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) - -#define ES1371_MODULE_NAME "es1371" -#define PFX ES1371_MODULE_NAME ": " - -/* --------------------------------------------------------------------- */ - -struct es1371_state { - /* magic */ - unsigned int magic; - - /* list of es1371 devices */ - struct list_head devs; - - /* the corresponding pci_dev structure */ - struct pci_dev *dev; - - /* soundcore stuff */ - int dev_audio; - int dev_dac; - int dev_midi; - - /* hardware resources */ - unsigned long io; /* long for SPARC */ - unsigned int irq; - - /* PCI ID's */ - u16 vendor; - u16 device; - u8 rev; /* the chip revision */ - - /* options */ - int spdif_volume; /* S/PDIF output is enabled if != -1 */ - -#ifdef ES1371_DEBUG - /* debug /proc entry */ - struct proc_dir_entry *ps; -#endif /* ES1371_DEBUG */ - - struct ac97_codec *codec; - - /* wave stuff */ - unsigned ctrl; - unsigned sctrl; - unsigned dac1rate, dac2rate, adcrate; - - 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; - - /* 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 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 unsigned wait_src_ready(struct es1371_state *s) -{ - unsigned int t, r; - - for (t = 0; t < POLL_COUNT; t++) { - if (!((r = inl(s->io + ES1371_REG_SRCONV)) & SRC_BUSY)) - return r; - udelay(1); - } - printk(KERN_DEBUG PFX "sample rate converter timeout r = 0x%08x\n", r); - return r; -} - -static unsigned src_read(struct es1371_state *s, unsigned reg) -{ - unsigned int temp,i,orig; - - /* wait for ready */ - temp = wait_src_ready (s); - - /* we can only access the SRC at certain times, make sure - we're allowed to before we read */ - - orig = temp; - /* expose the SRC state bits */ - outl ( (temp & SRC_CTLMASK) | (reg << SRC_RAMADDR_SHIFT) | 0x10000UL, - s->io + ES1371_REG_SRCONV); - - /* now, wait for busy and the correct time to read */ - temp = wait_src_ready (s); - - if ( (temp & 0x00870000UL ) != ( SRC_OKSTATE << 16 )){ - /* wait for the right state */ - for (i=0; i<POLL_COUNT; i++){ - temp = inl (s->io + ES1371_REG_SRCONV); - if ( (temp & 0x00870000UL ) == ( SRC_OKSTATE << 16 )) - break; - } - } - - /* hide the state bits */ - outl ((orig & SRC_CTLMASK) | (reg << SRC_RAMADDR_SHIFT), s->io + ES1371_REG_SRCONV); - return temp; - - -} - -static void src_write(struct es1371_state *s, unsigned reg, unsigned data) -{ - - unsigned int r; - - r = wait_src_ready(s) & (SRC_DIS | SRC_DDAC1 | SRC_DDAC2 | SRC_DADC); - r |= (reg << SRC_RAMADDR_SHIFT) & SRC_RAMADDR_MASK; - r |= (data << SRC_RAMDATA_SHIFT) & SRC_RAMDATA_MASK; - outl(r | SRC_WE, s->io + ES1371_REG_SRCONV); - -} - -/* --------------------------------------------------------------------- */ - -/* most of the following here is black magic */ -static void set_adc_rate(struct es1371_state *s, unsigned rate) -{ - unsigned long flags; - unsigned int n, truncm, freq; - - if (rate > 48000) - rate = 48000; - if (rate < 4000) - rate = 4000; - n = rate / 3000; - if ((1 << n) & ((1 << 15) | (1 << 13) | (1 << 11) | (1 << 9))) - n--; - truncm = (21 * n - 1) | 1; - freq = ((48000UL << 15) / rate) * n; - s->adcrate = (48000UL << 15) / (freq / n); - spin_lock_irqsave(&s->lock, flags); - if (rate >= 24000) { - if (truncm > 239) - truncm = 239; - src_write(s, SRCREG_ADC+SRCREG_TRUNC_N, - (((239 - truncm) >> 1) << 9) | (n << 4)); - } else { - if (truncm > 119) - truncm = 119; - src_write(s, SRCREG_ADC+SRCREG_TRUNC_N, - 0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4)); - } - src_write(s, SRCREG_ADC+SRCREG_INT_REGS, - (src_read(s, SRCREG_ADC+SRCREG_INT_REGS) & 0x00ff) | - ((freq >> 5) & 0xfc00)); - src_write(s, SRCREG_ADC+SRCREG_VFREQ_FRAC, freq & 0x7fff); - src_write(s, SRCREG_VOL_ADC, n << 8); - src_write(s, SRCREG_VOL_ADC+1, n << 8); - spin_unlock_irqrestore(&s->lock, flags); -} - - -static void set_dac1_rate(struct es1371_state *s, unsigned rate) -{ - unsigned long flags; - unsigned int freq, r; - - if (rate > 48000) - rate = 48000; - if (rate < 4000) - rate = 4000; - freq = ((rate << 15) + 1500) / 3000; - s->dac1rate = (freq * 3000 + 16384) >> 15; - spin_lock_irqsave(&s->lock, flags); - r = (wait_src_ready(s) & (SRC_DIS | SRC_DDAC2 | SRC_DADC)) | SRC_DDAC1; - outl(r, s->io + ES1371_REG_SRCONV); - src_write(s, SRCREG_DAC1+SRCREG_INT_REGS, - (src_read(s, SRCREG_DAC1+SRCREG_INT_REGS) & 0x00ff) | - ((freq >> 5) & 0xfc00)); - src_write(s, SRCREG_DAC1+SRCREG_VFREQ_FRAC, freq & 0x7fff); - r = (wait_src_ready(s) & (SRC_DIS | SRC_DDAC2 | SRC_DADC)); - outl(r, s->io + ES1371_REG_SRCONV); - spin_unlock_irqrestore(&s->lock, flags); -} - -static void set_dac2_rate(struct es1371_state *s, unsigned rate) -{ - unsigned long flags; - unsigned int freq, r; - - if (rate > 48000) - rate = 48000; - if (rate < 4000) - rate = 4000; - freq = ((rate << 15) + 1500) / 3000; - s->dac2rate = (freq * 3000 + 16384) >> 15; - spin_lock_irqsave(&s->lock, flags); - r = (wait_src_ready(s) & (SRC_DIS | SRC_DDAC1 | SRC_DADC)) | SRC_DDAC2; - outl(r, s->io + ES1371_REG_SRCONV); - src_write(s, SRCREG_DAC2+SRCREG_INT_REGS, - (src_read(s, SRCREG_DAC2+SRCREG_INT_REGS) & 0x00ff) | - ((freq >> 5) & 0xfc00)); - src_write(s, SRCREG_DAC2+SRCREG_VFREQ_FRAC, freq & 0x7fff); - r = (wait_src_ready(s) & (SRC_DIS | SRC_DDAC1 | SRC_DADC)); - outl(r, s->io + ES1371_REG_SRCONV); - spin_unlock_irqrestore(&s->lock, flags); -} - -/* --------------------------------------------------------------------- */ - -static void __devinit src_init(struct es1371_state *s) -{ - unsigned int i; - - /* before we enable or disable the SRC we need - to wait for it to become ready */ - wait_src_ready(s); - - outl(SRC_DIS, s->io + ES1371_REG_SRCONV); - - for (i = 0; i < 0x80; i++) - src_write(s, i, 0); - - src_write(s, SRCREG_DAC1+SRCREG_TRUNC_N, 16 << 4); - src_write(s, SRCREG_DAC1+SRCREG_INT_REGS, 16 << 10); - src_write(s, SRCREG_DAC2+SRCREG_TRUNC_N, 16 << 4); - src_write(s, SRCREG_DAC2+SRCREG_INT_REGS, 16 << 10); - src_write(s, SRCREG_VOL_ADC, 1 << 12); - src_write(s, SRCREG_VOL_ADC+1, 1 << 12); - src_write(s, SRCREG_VOL_DAC1, 1 << 12); - src_write(s, SRCREG_VOL_DAC1+1, 1 << 12); - src_write(s, SRCREG_VOL_DAC2, 1 << 12); - src_write(s, SRCREG_VOL_DAC2+1, 1 << 12); - set_adc_rate(s, 22050); - set_dac1_rate(s, 22050); - set_dac2_rate(s, 22050); - - /* WARNING: - * enabling the sample rate converter without properly programming - * its parameters causes the chip to lock up (the SRC busy bit will - * be stuck high, and I've found no way to rectify this other than - * power cycle) - */ - wait_src_ready(s); - outl(0, s->io+ES1371_REG_SRCONV); -} - -/* --------------------------------------------------------------------- */ - -static void wrcodec(struct ac97_codec *codec, u8 addr, u16 data) -{ - struct es1371_state *s = (struct es1371_state *)codec->private_data; - unsigned long flags; - unsigned t, x; - - spin_lock_irqsave(&s->lock, flags); - for (t = 0; t < POLL_COUNT; t++) - if (!(inl(s->io+ES1371_REG_CODEC) & CODEC_WIP)) - break; - - /* save the current state for later */ - x = wait_src_ready(s); - - /* enable SRC state data in SRC mux */ - outl((x & (SRC_DIS | SRC_DDAC1 | SRC_DDAC2 | SRC_DADC)) | 0x00010000, - s->io+ES1371_REG_SRCONV); - - /* wait for not busy (state 0) first to avoid - transition states */ - for (t=0; t<POLL_COUNT; t++){ - if((inl(s->io+ES1371_REG_SRCONV) & 0x00870000) ==0 ) - break; - udelay(1); - } - - /* wait for a SAFE time to write addr/data and then do it, dammit */ - for (t=0; t<POLL_COUNT; t++){ - if((inl(s->io+ES1371_REG_SRCONV) & 0x00870000) ==0x00010000) - break; - udelay(1); - } - - outl(((addr << CODEC_POADD_SHIFT) & CODEC_POADD_MASK) | - ((data << CODEC_PODAT_SHIFT) & CODEC_PODAT_MASK), s->io+ES1371_REG_CODEC); - - /* restore SRC reg */ - wait_src_ready(s); - outl(x, s->io+ES1371_REG_SRCONV); - spin_unlock_irqrestore(&s->lock, flags); -} - -static u16 rdcodec(struct ac97_codec *codec, u8 addr) -{ - struct es1371_state *s = (struct es1371_state *)codec->private_data; - unsigned long flags; - unsigned t, x; - - spin_lock_irqsave(&s->lock, flags); - - /* wait for WIP to go away */ - for (t = 0; t < 0x1000; t++) - if (!(inl(s->io+ES1371_REG_CODEC) & CODEC_WIP)) - break; - - /* save the current state for later */ - x = (wait_src_ready(s) & (SRC_DIS | SRC_DDAC1 | SRC_DDAC2 | SRC_DADC)); - - /* enable SRC state data in SRC mux */ - outl( x | 0x00010000, - s->io+ES1371_REG_SRCONV); - - /* wait for not busy (state 0) first to avoid - transition states */ - for (t=0; t<POLL_COUNT; t++){ - if((inl(s->io+ES1371_REG_SRCONV) & 0x00870000) ==0 ) - break; - udelay(1); - } - - /* wait for a SAFE time to write addr/data and then do it, dammit */ - for (t=0; t<POLL_COUNT; t++){ - if((inl(s->io+ES1371_REG_SRCONV) & 0x00870000) ==0x00010000) - break; - udelay(1); - } - - outl(((addr << CODEC_POADD_SHIFT) & CODEC_POADD_MASK) | CODEC_PORD, s->io+ES1371_REG_CODEC); - /* restore SRC reg */ - wait_src_ready(s); - outl(x, s->io+ES1371_REG_SRCONV); - - /* wait for WIP again */ - for (t = 0; t < 0x1000; t++) - if (!(inl(s->io+ES1371_REG_CODEC) & CODEC_WIP)) - break; - - /* now wait for the stinkin' data (RDY) */ - for (t = 0; t < POLL_COUNT; t++) - if ((x = inl(s->io+ES1371_REG_CODEC)) & CODEC_RDY) - break; - - spin_unlock_irqrestore(&s->lock, flags); - return ((x & CODEC_PIDAT_MASK) >> CODEC_PIDAT_SHIFT); -} - -/* --------------------------------------------------------------------- */ - -static inline void stop_adc(struct es1371_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - s->ctrl &= ~CTRL_ADC_EN; - outl(s->ctrl, s->io+ES1371_REG_CONTROL); - spin_unlock_irqrestore(&s->lock, flags); -} - -static inline void stop_dac1(struct es1371_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - s->ctrl &= ~CTRL_DAC1_EN; - outl(s->ctrl, s->io+ES1371_REG_CONTROL); - spin_unlock_irqrestore(&s->lock, flags); -} - -static inline void stop_dac2(struct es1371_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - s->ctrl &= ~CTRL_DAC2_EN; - outl(s->ctrl, s->io+ES1371_REG_CONTROL); - spin_unlock_irqrestore(&s->lock, flags); -} - -static void start_dac1(struct es1371_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+ES1371_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+ES1371_REG_DAC1_SCOUNT); - outl(s->ctrl, s->io+ES1371_REG_CONTROL); - outl((s->dma_dac1.fragsize >> fshift) - 1, s->io+ES1371_REG_DAC1_SCOUNT); - } - spin_unlock_irqrestore(&s->lock, flags); -} - -static void start_dac2(struct es1371_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+ES1371_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+ES1371_REG_DAC2_SCOUNT); - outl(s->ctrl, s->io+ES1371_REG_CONTROL); - outl((s->dma_dac2.fragsize >> fshift) - 1, s->io+ES1371_REG_DAC2_SCOUNT); - } - spin_unlock_irqrestore(&s->lock, flags); -} - -static void start_adc(struct es1371_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+ES1371_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+ES1371_REG_ADC_SCOUNT); - outl(s->ctrl, s->io+ES1371_REG_CONTROL); - outl((s->dma_adc.fragsize >> fshift) - 1, s->io+ES1371_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 es1371_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 es1371_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 &= ES1371_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 & ES1371_FMT_S16) ? 0 : 0x80, db->dmasize); - outl((reg >> 8) & 15, s->io+ES1371_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 es1371_state *s) -{ - stop_adc(s); - return prog_dmabuf(s, &s->dma_adc, s->adcrate, (s->sctrl >> SCTRL_SH_R1FMT) & ES1371_FMT_MASK, - ES1371_REG_ADC_FRAMEADR); -} - -static inline int prog_dmabuf_dac2(struct es1371_state *s) -{ - stop_dac2(s); - return prog_dmabuf(s, &s->dma_dac2, s->dac2rate, (s->sctrl >> SCTRL_SH_P2FMT) & ES1371_FMT_MASK, - ES1371_REG_DAC2_FRAMEADR); -} - -static inline int prog_dmabuf_dac1(struct es1371_state *s) -{ - stop_dac1(s); - return prog_dmabuf(s, &s->dma_dac1, s->dac1rate, (s->sctrl >> SCTRL_SH_P1FMT) & ES1371_FMT_MASK, - ES1371_REG_DAC1_FRAMEADR); -} - -static inline unsigned get_hwptr(struct es1371_state *s, struct dmabuf *db, unsigned reg) -{ - unsigned hwptr, diff; - - outl((reg >> 8) & 15, s->io+ES1371_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 es1371_update_ptr(struct es1371_state *s) -{ - int diff; - - /* update ADC pointer */ - if (s->ctrl & CTRL_ADC_EN) { - diff = get_hwptr(s, &s->dma_adc, ES1371_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+ES1371_REG_CONTROL); - s->dma_adc.error++; - } - } - } - /* update DAC1 pointer */ - if (s->ctrl & CTRL_DAC1_EN) { - diff = get_hwptr(s, &s->dma_dac1, ES1371_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+ES1371_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, ES1371_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+ES1371_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 es1371_handle_midi(struct es1371_state *s) -{ - unsigned char ch; - int wake; - - if (!(s->ctrl & CTRL_UART_EN)) - return; - wake = 0; - while (inb(s->io+ES1371_REG_UART_STATUS) & USTAT_RXRDY) { - ch = inb(s->io+ES1371_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+ES1371_REG_UART_STATUS) & USTAT_TXRDY) && s->midi.ocnt > 0) { - outb(s->midi.obuf[s->midi.ord], s->io+ES1371_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+ES1371_REG_UART_CONTROL); -} - -static irqreturn_t es1371_interrupt(int irq, void *dev_id) -{ - struct es1371_state *s = dev_id; - unsigned int intsrc, sctl; - - /* fastpath out, to ease interrupt sharing */ - intsrc = inl(s->io+ES1371_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+ES1371_REG_SERIAL_CONTROL); - outl(s->sctrl, s->io+ES1371_REG_SERIAL_CONTROL); - es1371_update_ptr(s); - es1371_handle_midi(s); - spin_unlock(&s->lock); - return IRQ_HANDLED; -} - -/* --------------------------------------------------------------------- */ - -static const char invalid_magic[] = KERN_CRIT PFX "invalid magic value\n"; - -#define VALIDATE_STATE(s) \ -({ \ - if (!(s) || (s)->magic != ES1371_MAGIC) { \ - printk(invalid_magic); \ - return -ENXIO; \ - } \ -}) - -/* --------------------------------------------------------------------- */ - -/* Conversion table for S/PDIF PCM volume emulation through the SRC */ -/* dB-linear table of DAC vol values; -0dB to -46.5dB with mute */ -static const unsigned short DACVolTable[101] = -{ - 0x1000, 0x0f2a, 0x0e60, 0x0da0, 0x0cea, 0x0c3e, 0x0b9a, 0x0aff, - 0x0a6d, 0x09e1, 0x095e, 0x08e1, 0x086a, 0x07fa, 0x078f, 0x072a, - 0x06cb, 0x0670, 0x061a, 0x05c9, 0x057b, 0x0532, 0x04ed, 0x04ab, - 0x046d, 0x0432, 0x03fa, 0x03c5, 0x0392, 0x0363, 0x0335, 0x030b, - 0x02e2, 0x02bc, 0x0297, 0x0275, 0x0254, 0x0235, 0x0217, 0x01fb, - 0x01e1, 0x01c8, 0x01b0, 0x0199, 0x0184, 0x0170, 0x015d, 0x014b, - 0x0139, 0x0129, 0x0119, 0x010b, 0x00fd, 0x00f0, 0x00e3, 0x00d7, - 0x00cc, 0x00c1, 0x00b7, 0x00ae, 0x00a5, 0x009c, 0x0094, 0x008c, - 0x0085, 0x007e, 0x0077, 0x0071, 0x006b, 0x0066, 0x0060, 0x005b, - 0x0057, 0x0052, 0x004e, 0x004a, 0x0046, 0x0042, 0x003f, 0x003c, - 0x0038, 0x0036, 0x0033, 0x0030, 0x002e, 0x002b, 0x0029, 0x0027, - 0x0025, 0x0023, 0x0021, 0x001f, 0x001e, 0x001c, 0x001b, 0x0019, - 0x0018, 0x0017, 0x0016, 0x0014, 0x0000 -}; - -/* - * when we are in S/PDIF mode, we want to disable any analog output so - * we filter the mixer ioctls - */ -static int mixdev_ioctl(struct ac97_codec *codec, unsigned int cmd, unsigned long arg) -{ - struct es1371_state *s = (struct es1371_state *)codec->private_data; - int val; - unsigned long flags; - unsigned int left, right; - - VALIDATE_STATE(s); - /* filter mixer ioctls to catch PCM and MASTER volume when in S/PDIF mode */ - if (s->spdif_volume == -1) - return codec->mixer_ioctl(codec, cmd, arg); - switch (cmd) { - case SOUND_MIXER_WRITE_VOLUME: - return 0; - - case SOUND_MIXER_WRITE_PCM: /* use SRC for PCM volume */ - if (get_user(val, (int __user *)arg)) - return -EFAULT; - right = ((val >> 8) & 0xff); - left = (val & 0xff); - if (right > 100) - right = 100; - if (left > 100) - left = 100; - s->spdif_volume = (right << 8) | left; - spin_lock_irqsave(&s->lock, flags); - src_write(s, SRCREG_VOL_DAC2, DACVolTable[100 - left]); - src_write(s, SRCREG_VOL_DAC2+1, DACVolTable[100 - right]); - spin_unlock_irqrestore(&s->lock, flags); - return 0; - - case SOUND_MIXER_READ_PCM: - return put_user(s->spdif_volume, (int __user *)arg); - } - return codec->mixer_ioctl(codec, cmd, arg); -} - -/* --------------------------------------------------------------------- */ - -/* - * AC97 Mixer Register to Connections mapping of the Concert 97 board - * - * AC97_MASTER_VOL_STEREO Line Out - * AC97_MASTER_VOL_MONO TAD Output - * AC97_PCBEEP_VOL none - * AC97_PHONE_VOL TAD Input (mono) - * AC97_MIC_VOL MIC Input (mono) - * AC97_LINEIN_VOL Line Input (stereo) - * AC97_CD_VOL CD Input (stereo) - * AC97_VIDEO_VOL none - * AC97_AUX_VOL Aux Input (stereo) - * AC97_PCMOUT_VOL Wave Output (stereo) - */ - -static int es1371_open_mixdev(struct inode *inode, struct file *file) -{ - int minor = iminor(inode); - struct list_head *list; - struct es1371_state *s; - - for (list = devs.next; ; list = list->next) { - if (list == &devs) - return -ENODEV; - s = list_entry(list, struct es1371_state, devs); - if (s->codec->dev_mixer == minor) - break; - } - VALIDATE_STATE(s); - file->private_data = s; - return nonseekable_open(inode, file); -} - -static int es1371_release_mixdev(struct inode *inode, struct file *file) -{ - struct es1371_state *s = (struct es1371_state *)file->private_data; - - VALIDATE_STATE(s); - return 0; -} - -static int es1371_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - struct es1371_state *s = (struct es1371_state *)file->private_data; - struct ac97_codec *codec = s->codec; - - return mixdev_ioctl(codec, cmd, arg); -} - -static /*const*/ struct file_operations es1371_mixer_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .ioctl = es1371_ioctl_mixdev, - .open = es1371_open_mixdev, - .release = es1371_release_mixdev, -}; - -/* --------------------------------------------------------------------- */ - -static int drain_dac1(struct es1371_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 / s->dac1rate; - tmo >>= sample_shift[(s->sctrl & SCTRL_P1FMT) >> SCTRL_SH_P1FMT]; - if (!schedule_timeout(tmo + 1)) - DBG(printk(KERN_DEBUG PFX "dac1 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 es1371_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_UNINTERRUPTIBLE); - 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 / s->dac2rate; - tmo >>= sample_shift[(s->sctrl & SCTRL_P2FMT) >> SCTRL_SH_P2FMT]; - if (!schedule_timeout(tmo + 1)) - DBG(printk(KERN_DEBUG PFX "dac2 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 es1371_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) -{ - struct es1371_state *s = (struct es1371_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->sem); - if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s))) - goto out2; - - 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->sem); - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out2; - } - mutex_lock(&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: - mutex_unlock(&s->sem); -out2: - remove_wait_queue(&s->dma_adc.wait, &wait); - set_current_state(TASK_RUNNING); - return ret; -} - -static ssize_t es1371_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) -{ - struct es1371_state *s = (struct es1371_state *)file->private_data; - DECLARE_WAITQUEUE(wait, current); - ssize_t ret; - 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->sem); - if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s))) - goto out3; - 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->sem); - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out2; - } - mutex_lock(&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: - mutex_unlock(&s->sem); -out2: - remove_wait_queue(&s->dma_dac2.wait, &wait); -out3: - set_current_state(TASK_RUNNING); - return ret; -} - -/* No kernel lock - we have our own spinlock */ -static unsigned int es1371_poll(struct file *file, struct poll_table_struct *wait) -{ - struct es1371_state *s = (struct es1371_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); - es1371_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 es1371_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct es1371_state *s = (struct es1371_state *)file->private_data; - struct dmabuf *db; - int ret = 0; - unsigned long size; - - VALIDATE_STATE(s); - lock_kernel(); - mutex_lock(&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: - mutex_unlock(&s->sem); - unlock_kernel(); - return ret; -} - -static int es1371_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - struct es1371_state *s = (struct es1371_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 (file->f_mode & FMODE_READ) { - stop_adc(s); - s->dma_adc.ready = 0; - set_adc_rate(s, val); - } - if (file->f_mode & FMODE_WRITE) { - stop_dac2(s); - s->dma_dac2.ready = 0; - set_dac2_rate(s, val); - } - } - return put_user((file->f_mode & FMODE_READ) ? s->adcrate : s->dac2rate, 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+ES1371_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+ES1371_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+ES1371_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+ES1371_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+ES1371_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+ES1371_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); - es1371_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); - es1371_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); - es1371_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); - es1371_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); - es1371_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((file->f_mode & FMODE_READ) ? s->adcrate : s->dac2rate, 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 mixdev_ioctl(s->codec, cmd, arg); -} - -static int es1371_open(struct inode *inode, struct file *file) -{ - int minor = iminor(inode); - DECLARE_WAITQUEUE(wait, current); - unsigned long flags; - struct list_head *list; - struct es1371_state *s; - - for (list = devs.next; ; list = list->next) { - if (list == &devs) - return -ENODEV; - s = list_entry(list, struct es1371_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); - } - if (file->f_mode & FMODE_READ) { - s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0; - s->dma_adc.enabled = 1; - set_adc_rate(s, 8000); - } - if (file->f_mode & FMODE_WRITE) { - s->dma_dac2.ossfragshift = s->dma_dac2.ossmaxfrags = s->dma_dac2.subdivision = 0; - s->dma_dac2.enabled = 1; - set_dac2_rate(s, 8000); - } - spin_lock_irqsave(&s->lock, flags); - if (file->f_mode & FMODE_READ) { - s->sctrl &= ~SCTRL_R1FMT; - if ((minor & 0xf) == SND_DEV_DSP16) - s->sctrl |= ES1371_FMT_S16_MONO << SCTRL_SH_R1FMT; - else - s->sctrl |= ES1371_FMT_U8_MONO << SCTRL_SH_R1FMT; - } - if (file->f_mode & FMODE_WRITE) { - s->sctrl &= ~SCTRL_P2FMT; - if ((minor & 0xf) == SND_DEV_DSP16) - s->sctrl |= ES1371_FMT_S16_MONO << SCTRL_SH_P2FMT; - else - s->sctrl |= ES1371_FMT_U8_MONO << SCTRL_SH_P2FMT; - } - outl(s->sctrl, s->io+ES1371_REG_SERIAL_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->sem); - return nonseekable_open(inode, file); -} - -static int es1371_release(struct inode *inode, struct file *file) -{ - struct es1371_state *s = (struct es1371_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); - 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)); - mutex_unlock(&s->open_mutex); - wake_up(&s->open_wait); - unlock_kernel(); - return 0; -} - -static /*const*/ struct file_operations es1371_audio_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = es1371_read, - .write = es1371_write, - .poll = es1371_poll, - .ioctl = es1371_ioctl, - .mmap = es1371_mmap, - .open = es1371_open, - .release = es1371_release, -}; - -/* --------------------------------------------------------------------- */ - -static ssize_t es1371_write_dac(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) -{ - struct es1371_state *s = (struct es1371_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 es1371_poll_dac(struct file *file, struct poll_table_struct *wait) -{ - struct es1371_state *s = (struct es1371_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); - es1371_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 es1371_mmap_dac(struct file *file, struct vm_area_struct *vma) -{ - struct es1371_state *s = (struct es1371_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 es1371_ioctl_dac(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - struct es1371_state *s = (struct es1371_state *)file->private_data; - unsigned long flags; - audio_buf_info abinfo; - count_info cinfo; - int count; - 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; - set_dac1_rate(s, val); - } - return put_user(s->dac1rate, 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+ES1371_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) { - 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+ES1371_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+ES1371_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); - es1371_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); - es1371_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); - es1371_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(s->dac1rate, 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 mixdev_ioctl(s->codec, cmd, arg); -} - -static int es1371_open_dac(struct inode *inode, struct file *file) -{ - int minor = iminor(inode); - DECLARE_WAITQUEUE(wait, current); - unsigned long flags; - struct list_head *list; - struct es1371_state *s; - - for (list = devs.next; ; list = list->next) { - if (list == &devs) - return -ENODEV; - s = list_entry(list, struct es1371_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; - set_dac1_rate(s, 8000); - spin_lock_irqsave(&s->lock, flags); - s->sctrl &= ~SCTRL_P1FMT; - if ((minor & 0xf) == SND_DEV_DSP16) - s->sctrl |= ES1371_FMT_S16_MONO << SCTRL_SH_P1FMT; - else - s->sctrl |= ES1371_FMT_U8_MONO << SCTRL_SH_P1FMT; - outl(s->sctrl, s->io+ES1371_REG_SERIAL_CONTROL); - spin_unlock_irqrestore(&s->lock, flags); - s->open_mode |= FMODE_DAC; - mutex_unlock(&s->open_mutex); - return nonseekable_open(inode, file); -} - -static int es1371_release_dac(struct inode *inode, struct file *file) -{ - struct es1371_state *s = (struct es1371_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; - mutex_unlock(&s->open_mutex); - wake_up(&s->open_wait); - unlock_kernel(); - return 0; -} - -static /*const*/ struct file_operations es1371_dac_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .write = es1371_write_dac, - .poll = es1371_poll_dac, - .ioctl = es1371_ioctl_dac, - .mmap = es1371_mmap_dac, - .open = es1371_open_dac, - .release = es1371_release_dac, -}; - -/* --------------------------------------------------------------------- */ - -static ssize_t es1371_midi_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) -{ - struct es1371_state *s = (struct es1371_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 es1371_midi_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) -{ - struct es1371_state *s = (struct es1371_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); - es1371_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); - es1371_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 es1371_midi_poll(struct file *file, struct poll_table_struct *wait) -{ - struct es1371_state *s = (struct es1371_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 es1371_midi_open(struct inode *inode, struct file *file) -{ - int minor = iminor(inode); - DECLARE_WAITQUEUE(wait, current); - unsigned long flags; - struct list_head *list; - struct es1371_state *s; - - for (list = devs.next; ; list = list->next) { - if (list == &devs) - return -ENODEV; - s = list_entry(list, struct es1371_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+ES1371_REG_UART_CONTROL); - outb(0, s->io+ES1371_REG_UART_CONTROL); - outb(0, s->io+ES1371_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+ES1371_REG_CONTROL); - es1371_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 es1371_midi_release(struct inode *inode, struct file *file) -{ - struct es1371_state *s = (struct es1371_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) - printk(KERN_DEBUG PFX "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+ES1371_REG_CONTROL); - } - spin_unlock_irqrestore(&s->lock, flags); - mutex_unlock(&s->open_mutex); - wake_up(&s->open_wait); - unlock_kernel(); - return 0; -} - -static /*const*/ struct file_operations es1371_midi_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = es1371_midi_read, - .write = es1371_midi_write, - .poll = es1371_midi_poll, - .open = es1371_midi_open, - .release = es1371_midi_release, -}; - -/* --------------------------------------------------------------------- */ - -/* - * for debugging purposes, we'll create a proc device that dumps the - * CODEC chipstate - */ - -#ifdef ES1371_DEBUG -static int proc_es1371_dump (char *buf, char **start, off_t fpos, int length, int *eof, void *data) -{ - struct es1371_state *s; - int cnt, len = 0; - - if (list_empty(&devs)) - return 0; - s = list_entry(devs.next, struct es1371_state, devs); - /* print out header */ - len += sprintf(buf + len, "\t\tCreative ES137x Debug Dump-o-matic\n"); - - /* print out CODEC state */ - len += sprintf (buf + len, "AC97 CODEC state\n"); - for (cnt=0; cnt <= 0x7e; cnt = cnt +2) - len+= sprintf (buf + len, "reg:0x%02x val:0x%04x\n", cnt, rdcodec(s->codec, cnt)); - - if (fpos >=len){ - *start = buf; - *eof =1; - return 0; - } - *start = buf + fpos; - if ((len -= fpos) > length) - return length; - *eof =1; - return len; - -} -#endif /* ES1371_DEBUG */ - -/* --------------------------------------------------------------------- */ - -/* maximum number of devices; only used for command line params */ -#define NR_DEVICE 5 - -static int spdif[NR_DEVICE]; -static int nomix[NR_DEVICE]; -static int amplifier[NR_DEVICE]; - -static unsigned int devindex; - -module_param_array(spdif, bool, NULL, 0); -MODULE_PARM_DESC(spdif, "if 1 the output is in S/PDIF digital mode"); -module_param_array(nomix, bool, NULL, 0); -MODULE_PARM_DESC(nomix, "if 1 no analog audio is mixed to the digital output"); -module_param_array(amplifier, bool, NULL, 0); -MODULE_PARM_DESC(amplifier, "Set to 1 if the machine needs the amp control enabling (many laptops)"); - -MODULE_AUTHOR("Thomas M. Sailer, sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu"); -MODULE_DESCRIPTION("ES1371 AudioPCI97 Driver"); -MODULE_LICENSE("GPL"); - - -/* --------------------------------------------------------------------- */ - -static struct initvol { - int mixch; - int vol; -} initvol[] __devinitdata = { - { SOUND_MIXER_WRITE_LINE, 0x4040 }, - { SOUND_MIXER_WRITE_CD, 0x4040 }, - { MIXER_WRITE(SOUND_MIXER_VIDEO), 0x4040 }, - { SOUND_MIXER_WRITE_LINE1, 0x4040 }, - { SOUND_MIXER_WRITE_PCM, 0x4040 }, - { SOUND_MIXER_WRITE_VOLUME, 0x4040 }, - { MIXER_WRITE(SOUND_MIXER_PHONEOUT), 0x4040 }, - { SOUND_MIXER_WRITE_OGAIN, 0x4040 }, - { MIXER_WRITE(SOUND_MIXER_PHONEIN), 0x4040 }, - { SOUND_MIXER_WRITE_SPEAKER, 0x4040 }, - { SOUND_MIXER_WRITE_MIC, 0x4040 }, - { SOUND_MIXER_WRITE_RECLEV, 0x4040 }, - { SOUND_MIXER_WRITE_IGAIN, 0x4040 } -}; - -static struct -{ - short svid, sdid; -} amplifier_needed[] = -{ - { 0x107B, 0x2150 }, /* Gateway Solo 2150 */ - { 0x13BD, 0x100C }, /* Mebius PC-MJ100V */ - { 0x1102, 0x5938 }, /* Targa Xtender 300 */ - { 0x1102, 0x8938 }, /* IPC notebook */ - { PCI_ANY_ID, PCI_ANY_ID } -}; - -#ifdef SUPPORT_JOYSTICK - -static int __devinit es1371_register_gameport(struct es1371_state *s) -{ - struct gameport *gp; - int gpio; - - for (gpio = 0x218; gpio >= 0x200; gpio -= 0x08) - if (request_region(gpio, JOY_EXTENT, "es1371")) - break; - - if (gpio < 0x200) { - printk(KERN_ERR PFX "no free joystick address found\n"); - return -EBUSY; - } - - s->gameport = gp = gameport_allocate_port(); - if (!gp) { - printk(KERN_ERR PFX "can not allocate memory for gameport\n"); - release_region(gpio, JOY_EXTENT); - return -ENOMEM; - } - - gameport_set_name(gp, "ESS1371 Gameport"); - gameport_set_phys(gp, "isa%04x/gameport0", gpio); - gp->dev.parent = &s->dev->dev; - gp->io = gpio; - - s->ctrl |= CTRL_JYSTK_EN | (((gpio >> 3) & CTRL_JOY_MASK) << CTRL_JOY_SHIFT); - outl(s->ctrl, s->io + ES1371_REG_CONTROL); - - gameport_register_port(gp); - - return 0; -} - -static inline void es1371_unregister_gameport(struct es1371_state *s) -{ - if (s->gameport) { - int gpio = s->gameport->io; - gameport_unregister_port(s->gameport); - release_region(gpio, JOY_EXTENT); - - } -} - -#else -static inline int es1371_register_gameport(struct es1371_state *s) { return -ENOSYS; } -static inline void es1371_unregister_gameport(struct es1371_state *s) { } -#endif /* SUPPORT_JOYSTICK */ - - -static int __devinit es1371_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid) -{ - struct es1371_state *s; - mm_segment_t fs; - int i, val, res = -1; - int idx; - unsigned long tmo; - signed long tmo2; - unsigned int cssr; - - if ((res=pci_enable_device(pcidev))) - return res; - - if (!(pci_resource_flags(pcidev, 0) & IORESOURCE_IO)) - return -ENODEV; - if (pcidev->irq == 0) - return -ENODEV; - i = pci_set_dma_mask(pcidev, DMA_32BIT_MASK); - if (i) { - printk(KERN_WARNING "es1371: architecture does not support 32bit PCI busmaster DMA\n"); - return i; - } - if (!(s = kzalloc(sizeof(struct es1371_state), GFP_KERNEL))) { - printk(KERN_WARNING PFX "out of memory\n"); - return -ENOMEM; - } - - s->codec = ac97_alloc_codec(); - if(s->codec == NULL) - goto err_codec; - - 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 = ES1371_MAGIC; - s->dev = pcidev; - s->io = pci_resource_start(pcidev, 0); - s->irq = pcidev->irq; - s->vendor = pcidev->vendor; - s->device = pcidev->device; - s->rev = pcidev->revision; - s->codec->private_data = s; - s->codec->id = 0; - s->codec->codec_read = rdcodec; - s->codec->codec_write = wrcodec; - printk(KERN_INFO PFX "found chip, vendor id 0x%04x device id 0x%04x revision 0x%02x\n", - s->vendor, s->device, s->rev); - if (!request_region(s->io, ES1371_EXTENT, "es1371")) { - printk(KERN_ERR PFX "io ports %#lx-%#lx in use\n", s->io, s->io+ES1371_EXTENT-1); - res = -EBUSY; - goto err_region; - } - if ((res=request_irq(s->irq, es1371_interrupt, IRQF_SHARED, "es1371",s))) { - printk(KERN_ERR PFX "irq %u in use\n", s->irq); - goto err_irq; - } - printk(KERN_INFO PFX "found es1371 rev %d at io %#lx irq %u\n", - s->rev, s->io, s->irq); - /* register devices */ - if ((res=(s->dev_audio = register_sound_dsp(&es1371_audio_fops,-1)))<0) - goto err_dev1; - if ((res=(s->codec->dev_mixer = register_sound_mixer(&es1371_mixer_fops, -1))) < 0) - goto err_dev2; - if ((res=(s->dev_dac = register_sound_dsp(&es1371_dac_fops, -1))) < 0) - goto err_dev3; - if ((res=(s->dev_midi = register_sound_midi(&es1371_midi_fops, -1)))<0 ) - goto err_dev4; -#ifdef ES1371_DEBUG - /* initialize the debug proc device */ - s->ps = create_proc_read_entry("es1371",0,NULL,proc_es1371_dump,NULL); -#endif /* ES1371_DEBUG */ - - /* initialize codec registers */ - s->ctrl = 0; - - /* Check amplifier requirements */ - - if (amplifier[devindex]) - s->ctrl |= CTRL_GPIO_OUT0; - else for(idx = 0; amplifier_needed[idx].svid != PCI_ANY_ID; idx++) - { - if(pcidev->subsystem_vendor == amplifier_needed[idx].svid && - pcidev->subsystem_device == amplifier_needed[idx].sdid) - { - s->ctrl |= CTRL_GPIO_OUT0; /* turn internal amplifier on */ - printk(KERN_INFO PFX "Enabling internal amplifier.\n"); - } - } - - s->sctrl = 0; - cssr = 0; - s->spdif_volume = -1; - /* check to see if s/pdif mode is being requested */ - if (spdif[devindex]) { - if (s->rev >= 4) { - printk(KERN_INFO PFX "enabling S/PDIF output\n"); - s->spdif_volume = 0; - cssr |= STAT_EN_SPDIF; - s->ctrl |= CTRL_SPDIFEN_B; - if (nomix[devindex]) /* don't mix analog inputs to s/pdif output */ - s->ctrl |= CTRL_RECEN_B; - } else { - printk(KERN_ERR PFX "revision %d does not support S/PDIF\n", s->rev); - } - } - /* initialize the chips */ - outl(s->ctrl, s->io+ES1371_REG_CONTROL); - outl(s->sctrl, s->io+ES1371_REG_SERIAL_CONTROL); - outl(LEGACY_JFAST, s->io+ES1371_REG_LEGACY); - pci_set_master(pcidev); /* enable bus mastering */ - /* if we are a 5880 turn on the AC97 */ - if (s->vendor == PCI_VENDOR_ID_ENSONIQ && - ((s->device == PCI_DEVICE_ID_ENSONIQ_CT5880 && s->rev >= CT5880REV_CT5880_C) || - (s->device == PCI_DEVICE_ID_ENSONIQ_ES1371 && s->rev == ES1371REV_CT5880_A) || - (s->device == PCI_DEVICE_ID_ENSONIQ_ES1371 && s->rev == ES1371REV_ES1373_8))) { - cssr |= CSTAT_5880_AC97_RST; - outl(cssr, s->io+ES1371_REG_STATUS); - /* need to delay around 20ms(bleech) to give - some CODECs enough time to wakeup */ - tmo = jiffies + (HZ / 50) + 1; - for (;;) { - tmo2 = tmo - jiffies; - if (tmo2 <= 0) - break; - schedule_timeout(tmo2); - } - } - /* AC97 warm reset to start the bitclk */ - outl(s->ctrl | CTRL_SYNCRES, s->io+ES1371_REG_CONTROL); - udelay(2); - outl(s->ctrl, s->io+ES1371_REG_CONTROL); - /* init the sample rate converter */ - src_init(s); - /* codec init */ - if (!ac97_probe_codec(s->codec)) { - res = -ENODEV; - goto err_gp; - } - /* set default values */ - - fs = get_fs(); - set_fs(KERNEL_DS); - val = SOUND_MASK_LINE; - mixdev_ioctl(s->codec, SOUND_MIXER_WRITE_RECSRC, (unsigned long)&val); - for (i = 0; i < ARRAY_SIZE(initvol); i++) { - val = initvol[i].vol; - mixdev_ioctl(s->codec, initvol[i].mixch, (unsigned long)&val); - } - /* mute master and PCM when in S/PDIF mode */ - if (s->spdif_volume != -1) { - val = 0x0000; - s->codec->mixer_ioctl(s->codec, SOUND_MIXER_WRITE_VOLUME, (unsigned long)&val); - s->codec->mixer_ioctl(s->codec, SOUND_MIXER_WRITE_PCM, (unsigned long)&val); - } - set_fs(fs); - /* turn on S/PDIF output driver if requested */ - outl(cssr, s->io+ES1371_REG_STATUS); - - es1371_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_gp: -#ifdef ES1371_DEBUG - if (s->ps) - remove_proc_entry("es1371", NULL); -#endif - unregister_sound_midi(s->dev_midi); - err_dev4: - unregister_sound_dsp(s->dev_dac); - err_dev3: - unregister_sound_mixer(s->codec->dev_mixer); - err_dev2: - unregister_sound_dsp(s->dev_audio); - err_dev1: - printk(KERN_ERR PFX "cannot register misc device\n"); - free_irq(s->irq, s); - err_irq: - release_region(s->io, ES1371_EXTENT); - err_region: - err_codec: - ac97_release_codec(s->codec); - kfree(s); - return res; -} - -static void __devexit es1371_remove(struct pci_dev *dev) -{ - struct es1371_state *s = pci_get_drvdata(dev); - - if (!s) - return; - list_del(&s->devs); -#ifdef ES1371_DEBUG - if (s->ps) - remove_proc_entry("es1371", NULL); -#endif /* ES1371_DEBUG */ - outl(0, s->io+ES1371_REG_CONTROL); /* switch everything off */ - outl(0, s->io+ES1371_REG_SERIAL_CONTROL); /* clear serial interrupts */ - synchronize_irq(s->irq); - free_irq(s->irq, s); - es1371_unregister_gameport(s); - release_region(s->io, ES1371_EXTENT); - unregister_sound_dsp(s->dev_audio); - unregister_sound_mixer(s->codec->dev_mixer); - unregister_sound_dsp(s->dev_dac); - unregister_sound_midi(s->dev_midi); - ac97_release_codec(s->codec); - kfree(s); - pci_set_drvdata(dev, NULL); -} - -static struct pci_device_id id_table[] = { - { PCI_VENDOR_ID_ENSONIQ, PCI_DEVICE_ID_ENSONIQ_ES1371, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, - { PCI_VENDOR_ID_ENSONIQ, PCI_DEVICE_ID_ENSONIQ_CT5880, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, - { PCI_VENDOR_ID_ECTIVA, PCI_DEVICE_ID_ECTIVA_EV1938, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, - { 0, } -}; - -MODULE_DEVICE_TABLE(pci, id_table); - -static struct pci_driver es1371_driver = { - .name = "es1371", - .id_table = id_table, - .probe = es1371_probe, - .remove = __devexit_p(es1371_remove), -}; - -static int __init init_es1371(void) -{ - printk(KERN_INFO PFX "version v0.32 time " __TIME__ " " __DATE__ "\n"); - return pci_register_driver(&es1371_driver); -} - -static void __exit cleanup_es1371(void) -{ - printk(KERN_INFO PFX "unloading\n"); - pci_unregister_driver(&es1371_driver); -} - -module_init(init_es1371); -module_exit(cleanup_es1371); - -/* --------------------------------------------------------------------- */ - -#ifndef MODULE - -/* format is: es1371=[spdif,[nomix,[amplifier]]] */ - -static int __init es1371_setup(char *str) -{ - static unsigned __initdata nr_dev = 0; - - if (nr_dev >= NR_DEVICE) - return 0; - - (void) - ((get_option(&str, &spdif[nr_dev]) == 2) - && (get_option(&str, &nomix[nr_dev]) == 2) - && (get_option(&str, &lifier[nr_dev]))); - - nr_dev++; - return 1; -} - -__setup("es1371=", es1371_setup); - -#endif /* MODULE */ |
