diff options
Diffstat (limited to 'sound/oss/cmpci.c')
| -rw-r--r-- | sound/oss/cmpci.c | 3381 |
1 files changed, 0 insertions, 3381 deletions
diff --git a/sound/oss/cmpci.c b/sound/oss/cmpci.c deleted file mode 100644 index ea51aafaf40..00000000000 --- a/sound/oss/cmpci.c +++ /dev/null @@ -1,3381 +0,0 @@ -/* - * cmpci.c -- C-Media PCI audio driver. - * - * Copyright (C) 1999 C-media support (support@cmedia.com.tw) - * - * Based on the PCI drivers by Thomas Sailer (sailer@ife.ee.ethz.ch) - * - * For update, visit: - * http://www.cmedia.com.tw - * - * 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, Jan Pfeifer - * - * - * Module command line parameters: - * none so far - * - * - * Supported devices: - * /dev/dsp standard /dev/dsp device, (mostly) OSS compatible - * /dev/mixer standard /dev/mixer device, (mostly) OSS compatible - * /dev/midi simple MIDI UART interface, no ioctl - * - * The card has both an FM and a Wavetable synth, but I have to figure - * out first how to drive them... - * - * Revision history - * 06.05.98 0.1 Initial release - * 10.05.98 0.2 Fixed many bugs, esp. ADC rate calculation - * First stab at a simple midi interface (no bells&whistles) - * 13.05.98 0.3 Fix stupid cut&paste error: set_adc_rate was called instead of - * set_dac_rate in the FMODE_WRITE case in cm_open - * Fix hwptr out of bounds (now mpg123 works) - * 14.05.98 0.4 Don't allow excessive interrupt rates - * 08.06.98 0.5 First release using Alan Cox' soundcore instead of miscdevice - * 03.08.98 0.6 Do not include modversions.h - * Now mixer behaviour can basically be selected between - * "OSS documented" and "OSS actual" behaviour - * 31.08.98 0.7 Fix realplayer problems - dac.count issues - * 10.12.98 0.8 Fix drain_dac trying to wait on not yet initialized DMA - * 16.12.98 0.9 Fix a few f_file & FMODE_ bugs - * 06.01.99 0.10 remove the silly SA_INTERRUPT flag. - * hopefully killed the egcs section type conflict - * 12.03.99 0.11 cinfo.blocks should be reset after GETxPTR ioctl. - * reported by Johan Maes <joma@telindus.be> - * 22.03.99 0.12 return EAGAIN instead of EBUSY when O_NONBLOCK - * read/write cannot be executed - * 18.08.99 1.5 Only deallocate DMA buffer when unloading. - * 02.09.99 1.6 Enable SPDIF LOOP - * Change the mixer read back - * 21.09.99 2.33 Use RCS version as driver version. - * Add support for modem, S/PDIF loop and 4 channels. - * (8738 only) - * Fix bug cause x11amp cannot play. - * - * Fixes: - * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - * 18/05/2001 - .bss nitpicks, fix a bug in set_dac_channels where it - * was calling prog_dmabuf with s->lock held, call missing - * unlock_kernel in cm_midi_release - * 08/10/2001 - use set_current_state in some more places - * - * Carlos Eduardo Gorges <carlos@techlinux.com.br> - * Fri May 25 2001 - * - SMP support ( spin[un]lock* revision ) - * - speaker mixer support - * Mon Aug 13 2001 - * - optimizations and cleanups - * - * 03/01/2003 - open_mode fixes from Georg Acher <acher@in.tum.de> - * Simon Braunschmidt <brasimon@web.de> - * Sat Jan 31 2004 - * - provide support for opl3 FM by releasing IO range after initialization - * - * ChenLi Tien <cltien@cmedia.com.tw> - * Mar 9 2004 - * - Fix S/PDIF out if spdif_loop enabled - * - Load opl3 driver if enabled (fmio in proper range) - * - Load mpu401 if enabled (mpuio in proper range) - * Apr 5 2004 - * - Fix DUAL_DAC dma synchronization bug - * - Check exist FM/MPU401 I/O before activate. - * - Add AFTM_S16_BE format support, so MPlayer/Xine can play AC3/mutlichannel - * on Mac - * - Change to support kernel 2.6 so only small patch needed - * - All parameters default to 0 - * - Add spdif_out to send PCM through S/PDIF out jack - * - Add hw_copy to get 4-spaker output for general PCM/analog output - * - * Stefan Thater <stefan.thaeter@gmx.de> - * Apr 5 2004 - * - Fix mute single channel for CD/Line-in/AUX-in - */ -/*****************************************************************************/ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/interrupt.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/spinlock.h> -#include <linux/smp_lock.h> -#include <linux/bitops.h> -#include <linux/wait.h> -#include <linux/dma-mapping.h> - -#include <asm/io.h> -#include <asm/page.h> -#include <asm/uaccess.h> - -#ifdef CONFIG_SOUND_CMPCI_MIDI -#include "sound_config.h" -#include "mpu401.h" -#endif -#ifdef CONFIG_SOUND_CMPCI_FM -#include "opl3.h" -#endif -#ifdef CONFIG_SOUND_CMPCI_JOYSTICK -#include <linux/gameport.h> -#include <linux/mutex.h> - -#endif - -/* --------------------------------------------------------------------- */ -#undef OSS_DOCUMENTED_MIXER_SEMANTICS -#undef DMABYTEIO -#define DBG(x) {} -/* --------------------------------------------------------------------- */ - -#define CM_MAGIC ((PCI_VENDOR_ID_CMEDIA<<16)|PCI_DEVICE_ID_CMEDIA_CM8338A) - -/* CM8338 registers definition ****************/ - -#define CODEC_CMI_FUNCTRL0 (0x00) -#define CODEC_CMI_FUNCTRL1 (0x04) -#define CODEC_CMI_CHFORMAT (0x08) -#define CODEC_CMI_INT_HLDCLR (0x0C) -#define CODEC_CMI_INT_STATUS (0x10) -#define CODEC_CMI_LEGACY_CTRL (0x14) -#define CODEC_CMI_MISC_CTRL (0x18) -#define CODEC_CMI_TDMA_POS (0x1C) -#define CODEC_CMI_MIXER (0x20) -#define CODEC_SB16_DATA (0x22) -#define CODEC_SB16_ADDR (0x23) -#define CODEC_CMI_MIXER1 (0x24) -#define CODEC_CMI_MIXER2 (0x25) -#define CODEC_CMI_AUX_VOL (0x26) -#define CODEC_CMI_MISC (0x27) -#define CODEC_CMI_AC97 (0x28) - -#define CODEC_CMI_CH0_FRAME1 (0x80) -#define CODEC_CMI_CH0_FRAME2 (0x84) -#define CODEC_CMI_CH1_FRAME1 (0x88) -#define CODEC_CMI_CH1_FRAME2 (0x8C) - -#define CODEC_CMI_SPDIF_CTRL (0x90) -#define CODEC_CMI_MISC_CTRL2 (0x92) - -#define CODEC_CMI_EXT_REG (0xF0) - -/* Mixer registers for SB16 ******************/ - -#define DSP_MIX_DATARESETIDX ((unsigned char)(0x00)) - -#define DSP_MIX_MASTERVOLIDX_L ((unsigned char)(0x30)) -#define DSP_MIX_MASTERVOLIDX_R ((unsigned char)(0x31)) -#define DSP_MIX_VOICEVOLIDX_L ((unsigned char)(0x32)) -#define DSP_MIX_VOICEVOLIDX_R ((unsigned char)(0x33)) -#define DSP_MIX_FMVOLIDX_L ((unsigned char)(0x34)) -#define DSP_MIX_FMVOLIDX_R ((unsigned char)(0x35)) -#define DSP_MIX_CDVOLIDX_L ((unsigned char)(0x36)) -#define DSP_MIX_CDVOLIDX_R ((unsigned char)(0x37)) -#define DSP_MIX_LINEVOLIDX_L ((unsigned char)(0x38)) -#define DSP_MIX_LINEVOLIDX_R ((unsigned char)(0x39)) - -#define DSP_MIX_MICVOLIDX ((unsigned char)(0x3A)) -#define DSP_MIX_SPKRVOLIDX ((unsigned char)(0x3B)) - -#define DSP_MIX_OUTMIXIDX ((unsigned char)(0x3C)) - -#define DSP_MIX_ADCMIXIDX_L ((unsigned char)(0x3D)) -#define DSP_MIX_ADCMIXIDX_R ((unsigned char)(0x3E)) - -#define DSP_MIX_INGAINIDX_L ((unsigned char)(0x3F)) -#define DSP_MIX_INGAINIDX_R ((unsigned char)(0x40)) -#define DSP_MIX_OUTGAINIDX_L ((unsigned char)(0x41)) -#define DSP_MIX_OUTGAINIDX_R ((unsigned char)(0x42)) - -#define DSP_MIX_AGCIDX ((unsigned char)(0x43)) - -#define DSP_MIX_TREBLEIDX_L ((unsigned char)(0x44)) -#define DSP_MIX_TREBLEIDX_R ((unsigned char)(0x45)) -#define DSP_MIX_BASSIDX_L ((unsigned char)(0x46)) -#define DSP_MIX_BASSIDX_R ((unsigned char)(0x47)) -#define DSP_MIX_EXTENSION ((unsigned char)(0xf0)) -// pseudo register for AUX -#define DSP_MIX_AUXVOL_L ((unsigned char)(0x50)) -#define DSP_MIX_AUXVOL_R ((unsigned char)(0x51)) - -// I/O length -#define CM_EXTENT_CODEC 0x100 -#define CM_EXTENT_MIDI 0x2 -#define CM_EXTENT_SYNTH 0x4 -#define CM_EXTENT_GAME 0x8 - -// Function Control Register 0 (00h) -#define CHADC0 0x01 -#define CHADC1 0x02 -#define PAUSE0 0x04 -#define PAUSE1 0x08 - -// Function Control Register 0+2 (02h) -#define CHEN0 0x01 -#define CHEN1 0x02 -#define RST_CH0 0x04 -#define RST_CH1 0x08 - -// Function Control Register 1 (04h) -#define JYSTK_EN 0x02 -#define UART_EN 0x04 -#define SPDO2DAC 0x40 -#define SPDFLOOP 0x80 - -// Function Control Register 1+1 (05h) -#define SPDF_0 0x01 -#define SPDF_1 0x02 -#define ASFC 0x1c -#define DSFC 0xe0 -#define SPDIF2DAC (SPDF_1 << 8 | SPDO2DAC) - -// Channel Format Register (08h) -#define CM_CFMT_STEREO 0x01 -#define CM_CFMT_16BIT 0x02 -#define CM_CFMT_MASK 0x03 -#define POLVALID 0x20 -#define INVSPDIFI 0x80 - -// Channel Format Register+2 (0ah) -#define SPD24SEL 0x20 - -// Channel Format Register+3 (0bh) -#define CHB3D 0x20 -#define CHB3D5C 0x80 - -// Interrupt Hold/Clear Register+2 (0eh) -#define CH0_INT_EN 0x01 -#define CH1_INT_EN 0x02 - -// Interrupt Register (10h) -#define CHINT0 0x01 -#define CHINT1 0x02 -#define CH0BUSY 0x04 -#define CH1BUSY 0x08 - -// Legacy Control/Status Register+1 (15h) -#define EXBASEN 0x10 -#define BASE2LIN 0x20 -#define CENTR2LIN 0x40 -#define CB2LIN (BASE2LIN | CENTR2LIN) -#define CHB3D6C 0x80 - -// Legacy Control/Status Register+2 (16h) -#define DAC2SPDO 0x20 -#define SPDCOPYRHT 0x40 -#define ENSPDOUT 0x80 - -// Legacy Control/Status Register+3 (17h) -#define FMSEL 0x03 -#define VSBSEL 0x0c -#define VMPU 0x60 -#define NXCHG 0x80 - -// Miscellaneous Control Register (18h) -#define REAR2LIN 0x20 -#define MUTECH1 0x40 -#define ENCENTER 0x80 - -// Miscellaneous Control Register+1 (19h) -#define SELSPDIFI2 0x01 -#define SPDF_AC97 0x80 - -// Miscellaneous Control Register+2 (1ah) -#define AC3_EN 0x04 -#define FM_EN 0x08 -#define SPD32SEL 0x20 -#define XCHGDAC 0x40 -#define ENDBDAC 0x80 - -// Miscellaneous Control Register+3 (1bh) -#define SPDIFI48K 0x01 -#define SPDO5V 0x02 -#define N4SPK3D 0x04 -#define RESET 0x40 -#define PWD 0x80 -#define SPDIF48K (SPDIFI48K << 24 | SPDF_AC97 << 8) - -// Mixer1 (24h) -#define CDPLAY 0x01 -#define X3DEN 0x02 -#define REAR2FRONT 0x10 -#define SPK4 0x20 -#define WSMUTE 0x40 -#define FMMUTE 0x80 - -// Miscellaneous Register (27h) -#define SPDVALID 0x02 -#define CENTR2MIC 0x04 - -// Miscellaneous Register2 (92h) -#define SPD32KFMT 0x10 - -#define CM_CFMT_DACSHIFT 2 -#define CM_CFMT_ADCSHIFT 0 -#define CM_FREQ_DACSHIFT 5 -#define CM_FREQ_ADCSHIFT 2 -#define RSTDAC RST_CH1 -#define RSTADC RST_CH0 -#define ENDAC CHEN1 -#define ENADC CHEN0 -#define PAUSEDAC PAUSE1 -#define PAUSEADC PAUSE0 -#define CODEC_CMI_ADC_FRAME1 CODEC_CMI_CH0_FRAME1 -#define CODEC_CMI_ADC_FRAME2 CODEC_CMI_CH0_FRAME2 -#define CODEC_CMI_DAC_FRAME1 CODEC_CMI_CH1_FRAME1 -#define CODEC_CMI_DAC_FRAME2 CODEC_CMI_CH1_FRAME2 -#define DACINT CHINT1 -#define ADCINT CHINT0 -#define DACBUSY CH1BUSY -#define ADCBUSY CH0BUSY -#define ENDACINT CH1_INT_EN -#define ENADCINT CH0_INT_EN - -static const unsigned sample_size[] = { 1, 2, 2, 4 }; -static const unsigned sample_shift[] = { 0, 1, 1, 2 }; - -#define SND_DEV_DSP16 5 - -#define NR_DEVICE 3 /* maximum number of devices */ - -#define set_dac1_rate set_adc_rate -#define set_dac1_rate_unlocked set_adc_rate_unlocked -#define stop_dac1 stop_adc -#define stop_dac1_unlocked stop_adc_unlocked -#define get_dmadac1 get_dmaadc - -static unsigned int devindex = 0; - -//*********************************************/ - -struct cm_state { - /* magic */ - unsigned int magic; - - /* list of cmedia devices */ - struct list_head devs; - - /* the corresponding pci_dev structure */ - struct pci_dev *dev; - - int dev_audio; /* soundcore stuff */ - int dev_mixer; - - unsigned int iosb, iobase, iosynth, - iomidi, iogame, irq; /* hardware resources */ - unsigned short deviceid; /* pci_id */ - - struct { /* mixer stuff */ - unsigned int modcnt; - unsigned short vol[13]; - } mix; - - unsigned int rateadc, ratedac; /* wave stuff */ - unsigned char fmt, enable; - - 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; - - unsigned fragsize; /* redundant, but makes calculations easier */ - unsigned dmasize; - unsigned fragsamples; - unsigned dmasamples; - - unsigned mapped:1; /* OSS stuff */ - unsigned ready:1; - unsigned endcleared:1; - unsigned enabled:1; - unsigned ossfragshift; - int ossmaxfrags; - unsigned subdivision; - } dma_dac, dma_adc; - -#ifdef CONFIG_SOUND_CMPCI_MIDI - int midi_devc; - struct address_info mpu_data; -#endif -#ifdef CONFIG_SOUND_CMPCI_JOYSTICK - struct gameport *gameport; -#endif - - int chip_version; - int max_channels; - int curr_channels; - int capability; /* HW capability, various for chip versions */ - - int status; /* HW or SW state */ - - int spdif_counter; /* spdif frame counter */ -}; - -/* flags used for capability */ -#define CAN_AC3_HW 0x00000001 /* 037 or later */ -#define CAN_AC3_SW 0x00000002 /* 033 or later */ -#define CAN_AC3 (CAN_AC3_HW | CAN_AC3_SW) -#define CAN_DUAL_DAC 0x00000004 /* 033 or later */ -#define CAN_MULTI_CH_HW 0x00000008 /* 039 or later */ -#define CAN_MULTI_CH (CAN_MULTI_CH_HW | CAN_DUAL_DAC) -#define CAN_LINE_AS_REAR 0x00000010 /* 033 or later */ -#define CAN_LINE_AS_BASS 0x00000020 /* 039 or later */ -#define CAN_MIC_AS_BASS 0x00000040 /* 039 or later */ - -/* flags used for status */ -#define DO_AC3_HW 0x00000001 -#define DO_AC3_SW 0x00000002 -#define DO_AC3 (DO_AC3_HW | DO_AC3_SW) -#define DO_DUAL_DAC 0x00000004 -#define DO_MULTI_CH_HW 0x00000008 -#define DO_MULTI_CH (DO_MULTI_CH_HW | DO_DUAL_DAC) -#define DO_LINE_AS_REAR 0x00000010 /* 033 or later */ -#define DO_LINE_AS_BASS 0x00000020 /* 039 or later */ -#define DO_MIC_AS_BASS 0x00000040 /* 039 or later */ -#define DO_SPDIF_OUT 0x00000100 -#define DO_SPDIF_IN 0x00000200 -#define DO_SPDIF_LOOP 0x00000400 -#define DO_BIGENDIAN_W 0x00001000 /* used in PowerPC */ -#define DO_BIGENDIAN_R 0x00002000 /* used in PowerPC */ - -static LIST_HEAD(devs); - -static int mpuio; -static int fmio; -static int joystick; -static int spdif_inverse; -static int spdif_loop; -static int spdif_out; -static int use_line_as_rear; -static int use_line_as_bass; -static int use_mic_as_bass; -static int mic_boost; -static int hw_copy; -module_param(mpuio, int, 0); -module_param(fmio, int, 0); -module_param(joystick, bool, 0); -module_param(spdif_inverse, bool, 0); -module_param(spdif_loop, bool, 0); -module_param(spdif_out, bool, 0); -module_param(use_line_as_rear, bool, 0); -module_param(use_line_as_bass, bool, 0); -module_param(use_mic_as_bass, bool, 0); -module_param(mic_boost, bool, 0); -module_param(hw_copy, bool, 0); -MODULE_PARM_DESC(mpuio, "(0x330, 0x320, 0x310, 0x300) Base of MPU-401, 0 to disable"); -MODULE_PARM_DESC(fmio, "(0x388, 0x3C8, 0x3E0) Base of OPL3, 0 to disable"); -MODULE_PARM_DESC(joystick, "(1/0) Enable joystick interface, still need joystick driver"); -MODULE_PARM_DESC(spdif_inverse, "(1/0) Invert S/PDIF-in signal"); -MODULE_PARM_DESC(spdif_loop, "(1/0) Route S/PDIF-in to S/PDIF-out directly"); -MODULE_PARM_DESC(spdif_out, "(1/0) Send PCM to S/PDIF-out (PCM volume will not function)"); -MODULE_PARM_DESC(use_line_as_rear, "(1/0) Use line-in jack as rear-out"); -MODULE_PARM_DESC(use_line_as_bass, "(1/0) Use line-in jack as bass/center"); -MODULE_PARM_DESC(use_mic_as_bass, "(1/0) Use mic-in jack as bass/center"); -MODULE_PARM_DESC(mic_boost, "(1/0) Enable microphone boost"); -MODULE_PARM_DESC(hw_copy, "Copy front channel to surround channel"); - -/* --------------------------------------------------------------------- */ - -static inline unsigned ld2(unsigned int x) -{ - unsigned exp=16,l=5,r=0; - static const unsigned num[]={0x2,0x4,0x10,0x100,0x10000}; - - /* num: 2, 4, 16, 256, 65536 */ - /* exp: 1, 2, 4, 8, 16 */ - - while(l--) { - if( x >= num[l] ) { - if(num[l]>2) x >>= exp; - r+=exp; - } - exp>>=1; - } - - return r; -} - -/* --------------------------------------------------------------------- */ - -static void maskb(unsigned int addr, unsigned int mask, unsigned int value) -{ - outb((inb(addr) & mask) | value, addr); -} - -static void maskw(unsigned int addr, unsigned int mask, unsigned int value) -{ - outw((inw(addr) & mask) | value, addr); -} - -static void maskl(unsigned int addr, unsigned int mask, unsigned int value) -{ - outl((inl(addr) & mask) | value, addr); -} - -static void set_dmadac1(struct cm_state *s, unsigned int addr, unsigned int count) -{ - if (addr) - outl(addr, s->iobase + CODEC_CMI_ADC_FRAME1); - outw(count - 1, s->iobase + CODEC_CMI_ADC_FRAME2); - maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~CHADC0, 0); -} - -static void set_dmaadc(struct cm_state *s, unsigned int addr, unsigned int count) -{ - outl(addr, s->iobase + CODEC_CMI_ADC_FRAME1); - outw(count - 1, s->iobase + CODEC_CMI_ADC_FRAME2); - maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~0, CHADC0); -} - -static void set_dmadac(struct cm_state *s, unsigned int addr, unsigned int count) -{ - outl(addr, s->iobase + CODEC_CMI_DAC_FRAME1); - outw(count - 1, s->iobase + CODEC_CMI_DAC_FRAME2); - maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~CHADC1, 0); - if (s->status & DO_DUAL_DAC) - set_dmadac1(s, 0, count); -} - -static void set_countadc(struct cm_state *s, unsigned count) -{ - outw(count - 1, s->iobase + CODEC_CMI_ADC_FRAME2 + 2); -} - -static void set_countdac(struct cm_state *s, unsigned count) -{ - outw(count - 1, s->iobase + CODEC_CMI_DAC_FRAME2 + 2); - if (s->status & DO_DUAL_DAC) - set_countadc(s, count); -} - -static unsigned get_dmadac(struct cm_state *s) -{ - unsigned int curr_addr; - - curr_addr = inw(s->iobase + CODEC_CMI_DAC_FRAME2) + 1; - curr_addr <<= sample_shift[(s->fmt >> CM_CFMT_DACSHIFT) & CM_CFMT_MASK]; - curr_addr = s->dma_dac.dmasize - curr_addr; - - return curr_addr; -} - -static unsigned get_dmaadc(struct cm_state *s) -{ - unsigned int curr_addr; - - curr_addr = inw(s->iobase + CODEC_CMI_ADC_FRAME2) + 1; - curr_addr <<= sample_shift[(s->fmt >> CM_CFMT_ADCSHIFT) & CM_CFMT_MASK]; - curr_addr = s->dma_adc.dmasize - curr_addr; - - return curr_addr; -} - -static void wrmixer(struct cm_state *s, unsigned char idx, unsigned char data) -{ - unsigned char regval, pseudo; - - // pseudo register - if (idx == DSP_MIX_AUXVOL_L) { - data >>= 4; - data &= 0x0f; - regval = inb(s->iobase + CODEC_CMI_AUX_VOL) & ~0x0f; - outb(regval | data, s->iobase + CODEC_CMI_AUX_VOL); - return; - } - if (idx == DSP_MIX_AUXVOL_R) { - data &= 0xf0; - regval = inb(s->iobase + CODEC_CMI_AUX_VOL) & ~0xf0; - outb(regval | data, s->iobase + CODEC_CMI_AUX_VOL); - return; - } - outb(idx, s->iobase + CODEC_SB16_ADDR); - udelay(10); - // pseudo bits - if (idx == DSP_MIX_OUTMIXIDX) { - pseudo = data & ~0x1f; - pseudo >>= 1; - regval = inb(s->iobase + CODEC_CMI_MIXER2) & ~0x30; - outb(regval | pseudo, s->iobase + CODEC_CMI_MIXER2); - } - if (idx == DSP_MIX_ADCMIXIDX_L) { - pseudo = data & 0x80; - pseudo >>= 1; - regval = inb(s->iobase + CODEC_CMI_MIXER2) & ~0x40; - outb(regval | pseudo, s->iobase + CODEC_CMI_MIXER2); - } - if (idx == DSP_MIX_ADCMIXIDX_R) { - pseudo = data & 0x80; - regval = inb(s->iobase + CODEC_CMI_MIXER2) & ~0x80; - outb(regval | pseudo, s->iobase + CODEC_CMI_MIXER2); - } - outb(data, s->iobase + CODEC_SB16_DATA); - udelay(10); -} - -static unsigned char rdmixer(struct cm_state *s, unsigned char idx) -{ - unsigned char v, pseudo; - - // pseudo register - if (idx == DSP_MIX_AUXVOL_L) { - v = inb(s->iobase + CODEC_CMI_AUX_VOL) & 0x0f; - v <<= 4; - return v; - } - if (idx == DSP_MIX_AUXVOL_L) { - v = inb(s->iobase + CODEC_CMI_AUX_VOL) & 0xf0; - return v; - } - outb(idx, s->iobase + CODEC_SB16_ADDR); - udelay(10); - v = inb(s->iobase + CODEC_SB16_DATA); - udelay(10); - // pseudo bits - if (idx == DSP_MIX_OUTMIXIDX) { - pseudo = inb(s->iobase + CODEC_CMI_MIXER2) & 0x30; - pseudo <<= 1; - v |= pseudo; - } - if (idx == DSP_MIX_ADCMIXIDX_L) { - pseudo = inb(s->iobase + CODEC_CMI_MIXER2) & 0x40; - pseudo <<= 1; - v |= pseudo; - } - if (idx == DSP_MIX_ADCMIXIDX_R) { - pseudo = inb(s->iobase + CODEC_CMI_MIXER2) & 0x80; - v |= pseudo; - } - return v; -} - -static void set_fmt_unlocked(struct cm_state *s, unsigned char mask, unsigned char data) -{ - if (mask && s->chip_version > 0) { /* 8338 cannot keep this */ - s->fmt = inb(s->iobase + CODEC_CMI_CHFORMAT); - udelay(10); - } - s->fmt = (s->fmt & mask) | data; - outb(s->fmt, s->iobase + CODEC_CMI_CHFORMAT); - udelay(10); -} - -static void set_fmt(struct cm_state *s, unsigned char mask, unsigned char data) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - set_fmt_unlocked(s,mask,data); - spin_unlock_irqrestore(&s->lock, flags); -} - -static void frobindir(struct cm_state *s, unsigned char idx, unsigned char mask, unsigned char data) -{ - outb(idx, s->iobase + CODEC_SB16_ADDR); - udelay(10); - outb((inb(s->iobase + CODEC_SB16_DATA) & mask) | data, s->iobase + CODEC_SB16_DATA); - udelay(10); -} - -static struct { - unsigned rate; - unsigned lower; - unsigned upper; - unsigned char freq; -} rate_lookup[] = -{ - { 5512, (0 + 5512) / 2, (5512 + 8000) / 2, 0 }, - { 8000, (5512 + 8000) / 2, (8000 + 11025) / 2, 4 }, - { 11025, (8000 + 11025) / 2, (11025 + 16000) / 2, 1 }, - { 16000, (11025 + 16000) / 2, (16000 + 22050) / 2, 5 }, - { 22050, (16000 + 22050) / 2, (22050 + 32000) / 2, 2 }, - { 32000, (22050 + 32000) / 2, (32000 + 44100) / 2, 6 }, - { 44100, (32000 + 44100) / 2, (44100 + 48000) / 2, 3 }, - { 48000, (44100 + 48000) / 2, 48000, 7 } -}; - -static void set_spdif_copyright(struct cm_state *s, int spdif_copyright) -{ - /* enable SPDIF-in Copyright */ - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 2, ~SPDCOPYRHT, spdif_copyright ? SPDCOPYRHT : 0); -} - -static void set_spdif_loop(struct cm_state *s, int spdif_loop) -{ - /* enable SPDIF loop */ - if (spdif_loop) { - s->status |= DO_SPDIF_LOOP; - /* turn on spdif-in to spdif-out */ - maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0, SPDFLOOP); - } else { - s->status &= ~DO_SPDIF_LOOP; - /* turn off spdif-in to spdif-out */ - maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~SPDFLOOP, 0); - } -} - -static void set_spdif_monitor(struct cm_state *s, int channel) -{ - // SPDO2DAC - maskw(s->iobase + CODEC_CMI_FUNCTRL1, ~SPDO2DAC, channel == 2 ? SPDO2DAC : 0); - // CDPLAY - if (s->chip_version >= 39) - maskb(s->iobase + CODEC_CMI_MIXER1, ~CDPLAY, channel ? CDPLAY : 0); -} - -static void set_spdifout_level(struct cm_state *s, int level5v) -{ - /* SPDO5V */ - if (s->chip_version > 0) - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 3, ~SPDO5V, level5v ? SPDO5V : 0); -} - -static void set_spdifin_inverse(struct cm_state *s, int spdif_inverse) -{ - if (s->chip_version == 0) /* 8338 has not this feature */ - return; - if (spdif_inverse) { - /* turn on spdif-in inverse */ - if (s->chip_version >= 39) - maskb(s->iobase + CODEC_CMI_CHFORMAT, ~0, INVSPDIFI); - else - maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~0, 1); - } else { - /* turn off spdif-ininverse */ - if (s->chip_version >= 39) - maskb(s->iobase + CODEC_CMI_CHFORMAT, ~INVSPDIFI, 0); - else - maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~1, 0); - } -} - -static void set_spdifin_channel2(struct cm_state *s, int channel2) -{ - /* SELSPDIFI2 */ - if (s->chip_version >= 39) - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 1, ~SELSPDIFI2, channel2 ? SELSPDIFI2 : 0); -} - -static void set_spdifin_valid(struct cm_state *s, int valid) -{ - /* SPDVALID */ - maskb(s->iobase + CODEC_CMI_MISC, ~SPDVALID, valid ? SPDVALID : 0); -} - -static void set_spdifout_unlocked(struct cm_state *s, unsigned rate) -{ - if (rate != 48000 && rate != 44100) - rate = 0; - if (rate == 48000 || rate == 44100) { - set_spdif_loop(s, 0); - // SPDF_1 - maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~0, SPDF_1); - // SPDIFI48K SPDF_AC97 - maskl(s->iobase + CODEC_CMI_MISC_CTRL, ~SPDIF48K, rate == 48000 ? SPDIF48K : 0); - if (s->chip_version >= 55) - // SPD32KFMT - maskb(s->iobase + CODEC_CMI_MISC_CTRL2, ~SPD32KFMT, rate == 48000 ? SPD32KFMT : 0); - if (s->chip_version > 0) - // ENSPDOUT - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 2, ~0, ENSPDOUT); - // monitor SPDIF out - set_spdif_monitor(s, 2); - s->status |= DO_SPDIF_OUT; - } else { - maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~SPDF_1, 0); - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 2, ~ENSPDOUT, 0); - // monitor none - set_spdif_monitor(s, 0); - s->status &= ~DO_SPDIF_OUT; - } -} - -static void set_spdifout(struct cm_state *s, unsigned rate) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - set_spdifout_unlocked(s,rate); - spin_unlock_irqrestore(&s->lock, flags); -} - -static void set_spdifin_unlocked(struct cm_state *s, unsigned rate) -{ - if (rate == 48000 || rate == 44100) { - // SPDF_1 - maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~0, SPDF_1); - // SPDIFI48K SPDF_AC97 - maskl(s->iobase + CODEC_CMI_MISC_CTRL, ~SPDIF48K, rate == 48000 ? SPDIF48K : 0); - s->status |= DO_SPDIF_IN; - } else { - maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~SPDF_1, 0); - s->status &= ~DO_SPDIF_IN; - } -} - -static void set_spdifin(struct cm_state *s, unsigned rate) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - set_spdifin_unlocked(s,rate); - spin_unlock_irqrestore(&s->lock, flags); -} - -/* find parity for bit 4~30 */ -static unsigned parity(unsigned data) -{ - unsigned parity = 0; - int counter = 4; - - data >>= 4; // start from bit 4 - while (counter <= 30) { - if (data & 1) - parity++; - data >>= 1; - counter++; - } - return parity & 1; -} - -static void set_ac3_unlocked(struct cm_state *s, unsigned rate) -{ - if (!(s->capability & CAN_AC3)) - return; - /* enable AC3 */ - if (rate && rate != 44100) - rate = 48000; - if (rate == 48000 || rate == 44100) { - // mute DAC - maskb(s->iobase + CODEC_CMI_MIXER1, ~0, WSMUTE); - if (s->chip_version >= 39) - maskb(s->iobase + CODEC_CMI_MISC_CTRL, ~0, MUTECH1); - // AC3EN for 039, 0x04 - if (s->chip_version >= 39) { - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0, AC3_EN); - if (s->chip_version == 55) - maskb(s->iobase + CODEC_CMI_SPDIF_CTRL, ~2, 0); - // AC3EN for 037, 0x10 - } else if (s->chip_version == 37) - maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~0, 0x10); - if (s->capability & CAN_AC3_HW) { - // SPD24SEL for 039, 0x20, but cannot be set - if (s->chip_version == 39) - maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~0, SPD24SEL); - // SPD24SEL for 037, 0x02 - else if (s->chip_version == 37) - maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~0, 0x02); - if (s->chip_version >= 39) - maskb(s->iobase + CODEC_CMI_MIXER1, ~CDPLAY, 0); - - s->status |= DO_AC3_HW; - } else { - // SPD32SEL for 037 & 039 - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0, SPD32SEL); - // set 176K sample rate to fix 033 HW bug - if (s->chip_version == 33) { - if (rate == 48000) - maskb(s->iobase + CODEC_CMI_CHFORMAT + 1, ~0, 0x08); - else - maskb(s->iobase + CODEC_CMI_CHFORMAT + 1, ~0x08, 0); - } - s->status |= DO_AC3_SW; - } - } else { - maskb(s->iobase + CODEC_CMI_MIXER1, ~WSMUTE, 0); - if (s->chip_version >= 39) - maskb(s->iobase + CODEC_CMI_MISC_CTRL, ~MUTECH1, 0); - maskb(s->iobase + CODEC_CMI_CHFORMAT + 2, ~(SPD24SEL|0x12), 0); - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~(SPD32SEL|AC3_EN), 0); - if (s->chip_version == 33) - maskb(s->iobase + CODEC_CMI_CHFORMAT + 1, ~0x08, 0); - if (s->chip_version >= 39) - maskb(s->iobase + CODEC_CMI_MIXER1, ~0, CDPLAY); - s->status &= ~DO_AC3; - } - s->spdif_counter = 0; -} - -static void set_line_as_rear(struct cm_state *s, int use_line_as_rear) -{ - if (!(s->capability & CAN_LINE_AS_REAR)) - return; - if (use_line_as_rear) { - maskb(s->iobase + CODEC_CMI_MIXER1, ~0, SPK4); - s->status |= DO_LINE_AS_REAR; - } else { - maskb(s->iobase + CODEC_CMI_MIXER1, ~SPK4, 0); - s->status &= ~DO_LINE_AS_REAR; - } -} - -static void set_line_as_bass(struct cm_state *s, int use_line_as_bass) -{ - if (!(s->capability & CAN_LINE_AS_BASS)) - return; - if (use_line_as_bass) { - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 1, ~0, CB2LIN); - s->status |= DO_LINE_AS_BASS; - } else { - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 1, ~CB2LIN, 0); - s->status &= ~DO_LINE_AS_BASS; - } -} - -static void set_mic_as_bass(struct cm_state *s, int use_mic_as_bass) -{ - if (!(s->capability & CAN_MIC_AS_BASS)) - return; - if (use_mic_as_bass) { - maskb(s->iobase + CODEC_CMI_MISC, ~0, 0x04); - s->status |= DO_MIC_AS_BASS; - } else { - maskb(s->iobase + CODEC_CMI_MISC, ~0x04, 0); - s->status &= ~DO_MIC_AS_BASS; - } -} - -static void set_hw_copy(struct cm_state *s, int hw_copy) -{ - if (s->max_channels > 2 && hw_copy) - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 3, ~0, N4SPK3D); - else - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 3, ~N4SPK3D, 0); -} - -static void set_ac3(struct cm_state *s, unsigned rate) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - set_spdifout_unlocked(s, rate); - set_ac3_unlocked(s, rate); - spin_unlock_irqrestore(&s->lock, flags); -} - -static int trans_ac3(struct cm_state *s, void *dest, const char __user *source, int size) -{ - int i = size / 2; - unsigned long data; - unsigned short data16; - unsigned long *dst = (unsigned long *) dest; - unsigned short __user *src = (unsigned short __user *)source; - int err; - - do { - if ((err = __get_user(data16, src++))) - return err; - data = (unsigned long)le16_to_cpu(data16); - data <<= 12; // ok for 16-bit data - if (s->spdif_counter == 2 || s->spdif_counter == 3) - data |= 0x40000000; // indicate AC-3 raw data - if (parity(data)) - data |= 0x80000000; // parity - if (s->spdif_counter == 0) - data |= 3; // preamble 'M' - else if (s->spdif_counter & 1) - data |= 5; // odd, 'W' - else - data |= 9; // even, 'M' - *dst++ = cpu_to_le32(data); - s->spdif_counter++; - if (s->spdif_counter == 384) - s->spdif_counter = 0; - } while (--i); - - return 0; -} - -static void set_adc_rate_unlocked(struct cm_state *s, unsigned rate) -{ - unsigned char freq = 4; - int i; - - if (rate > 48000) - rate = 48000; - if (rate < 8000) - rate = 8000; - for (i = 0; i < sizeof(rate_lookup) / sizeof(rate_lookup[0]); i++) { - if (rate > rate_lookup[i].lower && rate <= rate_lookup[i].upper) { - rate = rate_lookup[i].rate; - freq = rate_lookup[i].freq; - break; - } - } - s->rateadc = rate; - freq <<= CM_FREQ_ADCSHIFT; - - maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~ASFC, freq); -} - -static void set_adc_rate(struct cm_state *s, unsigned rate) -{ - unsigned long flags; - unsigned char freq = 4; - int i; - - if (rate > 48000) - rate = 48000; - if (rate < 8000) - rate = 8000; - for (i = 0; i < sizeof(rate_lookup) / sizeof(rate_lookup[0]); i++) { - if (rate > rate_lookup[i].lower && rate <= rate_lookup[i].upper) { - rate = rate_lookup[i].rate; - freq = rate_lookup[i].freq; - break; - } - } - s->rateadc = rate; - freq <<= CM_FREQ_ADCSHIFT; - - spin_lock_irqsave(&s->lock, flags); - maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~ASFC, freq); - spin_unlock_irqrestore(&s->lock, flags); -} - -static void set_dac_rate(struct cm_state *s, unsigned rate) -{ - unsigned long flags; - unsigned char freq = 4; - int i; - - if (rate > 48000) - rate = 48000; - if (rate < 8000) - rate = 8000; - for (i = 0; i < sizeof(rate_lookup) / sizeof(rate_lookup[0]); i++) { - if (rate > rate_lookup[i].lower && rate <= rate_lookup[i].upper) { - rate = rate_lookup[i].rate; - freq = rate_lookup[i].freq; - break; - } - } - s->ratedac = rate; - freq <<= CM_FREQ_DACSHIFT; - - spin_lock_irqsave(&s->lock, flags); - maskb(s->iobase + CODEC_CMI_FUNCTRL1 + 1, ~DSFC, freq); - spin_unlock_irqrestore(&s->lock, flags); - - if (s->curr_channels <= 2 && spdif_out) - set_spdifout(s, rate); - if (s->status & DO_DUAL_DAC) - set_dac1_rate(s, rate); -} - -/* --------------------------------------------------------------------- */ -static inline void reset_adc(struct cm_state *s) -{ - /* reset bus master */ - outb(s->enable | RSTADC, s->iobase + CODEC_CMI_FUNCTRL0 + 2); - udelay(10); - outb(s->enable & ~RSTADC, s->iobase + CODEC_CMI_FUNCTRL0 + 2); -} - -static inline void reset_dac(struct cm_state *s) -{ - /* reset bus master */ - outb(s->enable | RSTDAC, s->iobase + CODEC_CMI_FUNCTRL0 + 2); - udelay(10); - outb(s->enable & ~RSTDAC, s->iobase + CODEC_CMI_FUNCTRL0 + 2); - if (s->status & DO_DUAL_DAC) - reset_adc(s); -} - -static inline void pause_adc(struct cm_state *s) -{ - maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~0, PAUSEADC); -} - -static inline void pause_dac(struct cm_state *s) -{ - maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~0, PAUSEDAC); - if (s->status & DO_DUAL_DAC) - pause_adc(s); -} - -static inline void disable_adc(struct cm_state *s) -{ - /* disable channel */ - s->enable &= ~ENADC; - outb(s->enable, s->iobase + CODEC_CMI_FUNCTRL0 + 2); - reset_adc(s); -} - -static inline void disable_dac(struct cm_state *s) -{ - /* disable channel */ - s->enable &= ~ENDAC; - outb(s->enable, s->iobase + CODEC_CMI_FUNCTRL0 + 2); - reset_dac(s); - if (s->status & DO_DUAL_DAC) - disable_adc(s); -} - -static inline void enable_adc(struct cm_state *s) -{ - if (!(s->enable & ENADC)) { - /* enable channel */ - s->enable |= ENADC; - outb(s->enable, s->iobase + CODEC_CMI_FUNCTRL0 + 2); - } - maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~PAUSEADC, 0); -} - -static inline void enable_dac_unlocked(struct cm_state *s) -{ - if (!(s->enable & ENDAC)) { - /* enable channel */ - s->enable |= ENDAC; - outb(s->enable, s->iobase + CODEC_CMI_FUNCTRL0 + 2); - } - maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~PAUSEDAC, 0); - - if (s->status & DO_DUAL_DAC) - enable_adc(s); -} - -static inline void stop_adc_unlocked(struct cm_state *s) -{ - if (s->enable & ENADC) { - /* disable interrupt */ - maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~ENADCINT, 0); - disable_adc(s); - } -} - -static inline void stop_adc(struct cm_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - stop_adc_unlocked(s); - spin_unlock_irqrestore(&s->lock, flags); - -} - -static inline void stop_dac_unlocked(struct cm_state *s) -{ - if (s->enable & ENDAC) { - /* disable interrupt */ - maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~ENDACINT, 0); - disable_dac(s); - } - if (s->status & DO_DUAL_DAC) - stop_dac1_unlocked(s); -} - -static inline void stop_dac(struct cm_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - stop_dac_unlocked(s); - spin_unlock_irqrestore(&s->lock, flags); -} - -static inline void start_adc_unlocked(struct cm_state *s) -{ - if ((s->dma_adc.mapped || s->dma_adc.count < (signed)(s->dma_adc.dmasize - 2*s->dma_adc.fragsize)) - && s->dma_adc.ready) { - /* enable interrupt */ - maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~0, ENADCINT); - enable_adc(s); - } -} - -static void start_adc(struct cm_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - start_adc_unlocked(s); - spin_unlock_irqrestore(&s->lock, flags); -} - -static void start_dac1_unlocked(struct cm_state *s) -{ - if ((s->dma_adc.mapped || s->dma_adc.count > 0) && s->dma_adc.ready) { - /* enable interrupt */ - maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~0, ENADCINT); - enable_dac_unlocked(s); - } -} - -static void start_dac_unlocked(struct cm_state *s) -{ - if ((s->dma_dac.mapped || s->dma_dac.count > 0) && s->dma_dac.ready) { - /* enable interrupt */ - maskb(s->iobase + CODEC_CMI_INT_HLDCLR + 2, ~0, ENDACINT); - enable_dac_unlocked(s); - } - if (s->status & DO_DUAL_DAC) - start_dac1_unlocked(s); -} - -static void start_dac(struct cm_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - start_dac_unlocked(s); - spin_unlock_irqrestore(&s->lock, flags); -} - -static int prog_dmabuf(struct cm_state *s, unsigned rec); - -static int set_dac_channels(struct cm_state *s, int channels) -{ - unsigned long flags; - static unsigned int fmmute = 0; - - spin_lock_irqsave(&s->lock, flags); - - if ((channels > 2) && (channels <= s->max_channels) - && (((s->fmt >> CM_CFMT_DACSHIFT) & CM_CFMT_MASK) == (CM_CFMT_STEREO | CM_CFMT_16BIT))) { - set_spdifout_unlocked(s, 0); - if (s->capability & CAN_MULTI_CH_HW) { - // NXCHG - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 3, ~0, NXCHG); - // CHB3D or CHB3D5C - maskb(s->iobase + CODEC_CMI_CHFORMAT + 3, ~(CHB3D5C|CHB3D), channels > 4 ? CHB3D5C : CHB3D); - // CHB3D6C - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 1, ~CHB3D6C, channels == 6 ? CHB3D6C : 0); - // ENCENTER - maskb(s->iobase + CODEC_CMI_MISC_CTRL, ~ENCENTER, channels == 6 ? ENCENTER : 0); - s->status |= DO_MULTI_CH_HW; - } else if (s->capability & CAN_DUAL_DAC) { - unsigned char fmtm = ~0, fmts = 0; - ssize_t ret; - - // ENDBDAC, turn on double DAC mode - // XCHGDAC, CH0 -> back, CH1->front - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0, ENDBDAC|XCHGDAC); - // mute FM - fmmute = inb(s->iobase + CODEC_CMI_MIXER1) & FMMUTE; - maskb(s->iobase + CODEC_CMI_MIXER1, ~0, FMMUTE); - s->status |= DO_DUAL_DAC; - // prepare secondary buffer - spin_unlock_irqrestore(&s->lock, flags); - ret = prog_dmabuf(s, 1); - if (ret) return ret; - spin_lock_irqsave(&s->lock, flags); - - // copy the hw state - fmtm &= ~((CM_CFMT_STEREO | CM_CFMT_16BIT) << CM_CFMT_DACSHIFT); - fmtm &= ~((CM_CFMT_STEREO | CM_CFMT_16BIT) << CM_CFMT_ADCSHIFT); - // the HW only support 16-bit stereo - fmts |= CM_CFMT_16BIT << CM_CFMT_DACSHIFT; - fmts |= CM_CFMT_16BIT << CM_CFMT_ADCSHIFT; - fmts |= CM_CFMT_STEREO << CM_CFMT_DACSHIFT; - fmts |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT; - - set_fmt_unlocked(s, fmtm, fmts); - set_adc_rate_unlocked(s, s->ratedac); - } - // disable 4 speaker mode (analog duplicate) - set_hw_copy(s, 0); - s->curr_channels = channels; - - // enable jack redirect - set_line_as_rear(s, use_line_as_rear); - if (channels > 4) { - set_line_as_bass(s, use_line_as_bass); - set_mic_as_bass(s, use_mic_as_bass); - } - } else { - if (s->status & DO_MULTI_CH_HW) { - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 3, ~NXCHG, 0); - maskb(s->iobase + CODEC_CMI_CHFORMAT + 3, ~(CHB3D5C|CHB3D), 0); - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 1, ~CHB3D6C, 0); - } else if (s->status & DO_DUAL_DAC) { - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~ENDBDAC, 0); - maskb(s->iobase + CODEC_CMI_MIXER1, ~FMMUTE, fmmute); - } - // enable 4 speaker mode (analog duplicate) - set_hw_copy(s, hw_copy); - s->status &= ~DO_MULTI_CH; - s->curr_channels = s->fmt & (CM_CFMT_STEREO << CM_CFMT_DACSHIFT) ? 2 : 1; - // disable jack redirect - set_line_as_rear(s, hw_copy ? use_line_as_rear : 0); - set_line_as_bass(s, 0); - set_mic_as_bass(s, 0); - } - spin_unlock_irqrestore(&s->lock, flags); - return s->curr_channels; -} - -/* --------------------------------------------------------------------- */ - -#define DMABUF_DEFAULTORDER (16-PAGE_SHIFT) -#define DMABUF_MINORDER 1 - -static void dealloc_dmabuf(struct cm_state *s, struct dmabuf *db) -{ - struct page *pstart, *pend; - - if (db->rawbuf) { - /* undo marking the pages as reserved */ - pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1); - for (pstart = virt_to_page(db->rawbuf); pstart <= pend; pstart++) - ClearPageReserved(pstart); - pci_free_consistent(s->dev, PAGE_SIZE << db->buforder, db->rawbuf, db->dmaaddr); - } - db->rawbuf = NULL; - db->mapped = db->ready = 0; -} - -/* Ch1 is used for playback, Ch0 is used for recording */ - -static int prog_dmabuf(struct cm_state *s, unsigned rec) -{ - struct dmabuf *db = rec ? &s->dma_adc : &s->dma_dac; - unsigned rate = rec ? s->rateadc : s->ratedac; - int order; - unsigned bytepersec; - unsigned bufs; - struct page *pstart, *pend; - unsigned char fmt; - unsigned long flags; - - fmt = s->fmt; - if (rec) { - stop_adc(s); - fmt >>= CM_CFMT_ADCSHIFT; - } else { - stop_dac(s); - fmt >>= CM_CFMT_DACSHIFT; - } - - fmt &= CM_CFMT_MASK; - 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 || !db->dmaaddr) - 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 (pstart = virt_to_page(db->rawbuf); pstart <= pend; pstart++) - SetPageReserved(pstart); - } - 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; - /* to make fragsize >= 4096 */ - db->fragsamples = db->fragsize >> sample_shift[fmt]; - db->dmasize = db->numfrag << db->fragshift; - db->dmasamples = db->dmasize >> sample_shift[fmt]; - memset(db->rawbuf, (fmt & CM_CFMT_16BIT) ? 0 : 0x80, db->dmasize); - spin_lock_irqsave(&s->lock, flags); - if (rec) { - if (s->status & DO_DUAL_DAC) - set_dmadac1(s, db->dmaaddr, db->dmasize >> sample_shift[fmt]); - else - set_dmaadc(s, db->dmaaddr, db->dmasize >> sample_shift[fmt]); - /* program sample counts */ - set_countdac(s, db->fragsamples); - } else { - set_dmadac(s, db->dmaaddr, db->dmasize >> sample_shift[fmt]); - /* program sample counts */ - set_countdac(s, db->fragsamples); - } - spin_unlock_irqrestore(&s->lock, flags); - db->enabled = 1; - db->ready = 1; - return 0; -} - -static inline void clear_advance(struct cm_state *s) -{ - unsigned char c = (s->fmt & (CM_CFMT_16BIT << CM_CFMT_DACSHIFT)) ? 0 : 0x80; - unsigned char *buf = s->dma_dac.rawbuf; - unsigned char *buf1 = s->dma_adc.rawbuf; - unsigned bsize = s->dma_dac.dmasize; - unsigned bptr = s->dma_dac.swptr; - unsigned len = s->dma_dac.fragsize; - - if (bptr + len > bsize) { - unsigned x = bsize - bptr; - memset(buf + bptr, c, x); - if (s->status & DO_DUAL_DAC) - memset(buf1 + bptr, c, x); - bptr = 0; - len -= x; - } - memset(buf + bptr, c, len); - if (s->status & DO_DUAL_DAC) - memset(buf1 + bptr, c, len); -} - -/* call with spinlock held! */ -static void cm_update_ptr(struct cm_state *s) -{ - unsigned hwptr; - int diff; - - /* update ADC pointer */ - if (s->dma_adc.ready) { - if (s->status & DO_DUAL_DAC) { - /* the dac part will finish for this */ - } else { - hwptr = get_dmaadc(s) % s->dma_adc.dmasize; - diff = (s->dma_adc.dmasize + hwptr - s->dma_adc.hwptr) % s->dma_adc.dmasize; - s->dma_adc.hwptr = hwptr; - 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))) { - pause_adc(s); - s->dma_adc.error++; - } - } - } - } - /* update DAC pointer */ - if (s->dma_dac.ready) { - hwptr = get_dmadac(s) % s->dma_dac.dmasize; - diff = (s->dma_dac.dmasize + hwptr - s->dma_dac.hwptr) % s->dma_dac.dmasize; - s->dma_dac.hwptr = hwptr; - s->dma_dac.total_bytes += diff; - if (s->status & DO_DUAL_DAC) { - s->dma_adc.hwptr = hwptr; - s->dma_adc.total_bytes += diff; - } - if (s->dma_dac.mapped) { - s->dma_dac.count += diff; - if (s->status & DO_DUAL_DAC) - s->dma_adc.count += diff; - if (s->dma_dac.count >= (signed)s->dma_dac.fragsize) - wake_up(&s->dma_dac.wait); - } else { - s->dma_dac.count -= diff; - if (s->status & DO_DUAL_DAC) - s->dma_adc.count -= diff; - if (s->dma_dac.count <= 0) { - pause_dac(s); - s->dma_dac.error++; - } else if (s->dma_dac.count <= (signed)s->dma_dac.fragsize && !s->dma_dac.endcleared) { - clear_advance(s); - s->dma_dac.endcleared = 1; - if (s->status & DO_DUAL_DAC) - s->dma_adc.endcleared = 1; - } - if (s->dma_dac.count + (signed)s->dma_dac.fragsize <= (signed)s->dma_dac.dmasize) - wake_up(&s->dma_dac.wait); - } - } -} - -static irqreturn_t cm_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - struct cm_state *s = (struct cm_state *)dev_id; - unsigned int intsrc, intstat; - unsigned char mask = 0; - - /* fastpath out, to ease interrupt sharing */ - intsrc = inl(s->iobase + CODEC_CMI_INT_STATUS); - if (!(intsrc & 0x80000000)) - return IRQ_NONE; - spin_lock(&s->lock); - intstat = inb(s->iobase + CODEC_CMI_INT_HLDCLR + 2); - /* acknowledge interrupt */ - if (intsrc & ADCINT) - mask |= ENADCINT; - if (intsrc & DACINT) - mask |= ENDACINT; - outb(intstat & ~mask, s->iobase + CODEC_CMI_INT_HLDCLR + 2); - outb(intstat | mask, s->iobase + CODEC_CMI_INT_HLDCLR + 2); - cm_update_ptr(s); - spin_unlock(&s->lock); -#ifdef CONFIG_SOUND_CMPCI_MIDI - if (intsrc & 0x00010000) { // UART interrupt - if (s->midi_devc && intchk_mpu401((void *)s->midi_devc)) - mpuintr(irq, (void *)s->midi_devc, regs); - else - inb(s->iomidi);// dummy read - } -#endif - return IRQ_HANDLED; -} - -/* --------------------------------------------------------------------- */ - -static const char invalid_magic[] = KERN_CRIT "cmpci: invalid magic value\n"; - -#define VALIDATE_STATE(s) \ -({ \ - if (!(s) || (s)->magic != CM_MAGIC) { \ - printk(invalid_magic); \ - return -ENXIO; \ - } \ -}) - -/* --------------------------------------------------------------------- */ - -#define MT_4 1 -#define MT_5MUTE 2 -#define MT_4MUTEMONO 3 -#define MT_6MUTE 4 -#define MT_5MUTEMONO 5 - -static const struct { - unsigned left; - unsigned right; - unsigned type; - unsigned rec; - unsigned play; -} mixtable[SOUND_MIXER_NRDEVICES] = { - [SOUND_MIXER_CD] = { DSP_MIX_CDVOLIDX_L, DSP_MIX_CDVOLIDX_R, MT_5MUTE, 0x04, 0x06 }, - [SOUND_MIXER_LINE] = { DSP_MIX_LINEVOLIDX_L, DSP_MIX_LINEVOLIDX_R, MT_5MUTE, 0x10, 0x18 }, - [SOUND_MIXER_MIC] = { DSP_MIX_MICVOLIDX, DSP_MIX_MICVOLIDX, MT_5MUTEMONO, 0x01, 0x01 }, - [SOUND_MIXER_SYNTH] = { DSP_MIX_FMVOLIDX_L, DSP_MIX_FMVOLIDX_R, MT_5MUTE, 0x40, 0x00 }, - [SOUND_MIXER_VOLUME] = { DSP_MIX_MASTERVOLIDX_L, DSP_MIX_MASTERVOLIDX_R, MT_5MUTE, 0x00, 0x00 }, - [SOUND_MIXER_PCM] = { DSP_MIX_VOICEVOLIDX_L, DSP_MIX_VOICEVOLIDX_R, MT_5MUTE, 0x00, 0x00 }, - [SOUND_MIXER_LINE1] = { DSP_MIX_AUXVOL_L, DSP_MIX_AUXVOL_R, MT_5MUTE, 0x80, 0x60 }, - [SOUND_MIXER_SPEAKER]= { DSP_MIX_SPKRVOLIDX, DSP_MIX_SPKRVOLIDX, MT_5MUTEMONO, 0x00, 0x01 } -}; - -static const unsigned char volidx[SOUND_MIXER_NRDEVICES] = -{ - [SOUND_MIXER_CD] = 1, - [SOUND_MIXER_LINE] = 2, - [SOUND_MIXER_MIC] = 3, - [SOUND_MIXER_SYNTH] = 4, - [SOUND_MIXER_VOLUME] = 5, - [SOUND_MIXER_PCM] = 6, - [SOUND_MIXER_LINE1] = 7, - [SOUND_MIXER_SPEAKER]= 8 -}; - -static unsigned mixer_outmask(struct cm_state *s) -{ - unsigned long flags; - int i, j, k; - - spin_lock_irqsave(&s->lock, flags); - j = rdmixer(s, DSP_MIX_OUTMIXIDX); - spin_unlock_irqrestore(&s->lock, flags); - for (k = i = 0; i < SOUND_MIXER_NRDEVICES; i++) - if (j & mixtable[i].play) - k |= 1 << i; - return k; -} - -static unsigned mixer_recmask(struct cm_state *s) -{ - unsigned long flags; - int i, j, k; - - spin_lock_irqsave(&s->lock, flags); - j = rdmixer(s, DSP_MIX_ADCMIXIDX_L); - spin_unlock_irqrestore(&s->lock, flags); - for (k = i = 0; i < SOUND_MIXER_NRDEVICES; i++) - if (j & mixtable[i].rec) - k |= 1 << i; - return k; -} - -static int mixer_ioctl(struct cm_state *s, unsigned int cmd, unsigned long arg) -{ - unsigned long flags; - int i, val, j; - unsigned char l, r, rl, rr; - void __user *argp = (void __user *)arg; - int __user *p = argp; - - VALIDATE_STATE(s); - if (cmd == SOUND_MIXER_INFO) { - mixer_info info; - memset(&info, 0, sizeof(info)); - strlcpy(info.id, "cmpci", sizeof(info.id)); - strlcpy(info.name, "C-Media PCI", sizeof(info.name)); - info.modify_counter = s->mix.modcnt; - if (copy_to_user(argp, &info, sizeof(info))) - return -EFAULT; - return 0; - } - if (cmd == SOUND_OLD_MIXER_INFO) { - _old_mixer_info info; - memset(&info, 0, sizeof(info)); - strlcpy(info.id, "cmpci", sizeof(info.id)); - strlcpy(info.name, "C-Media cmpci", sizeof(info.name)); - if (copy_to_user(argp, &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 */ - val = mixer_recmask(s); - return put_user(val, p); - - case SOUND_MIXER_OUTSRC: /* Arg contains a bit for each recording source */ - val = mixer_outmask(s); - return put_user(val, p); - - case SOUND_MIXER_DEVMASK: /* Arg contains a bit for each supported device */ - for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++) - if (mixtable[i].type) - 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].rec) - val |= 1 << i; - return put_user(val, p); - - case SOUND_MIXER_OUTMASK: /* Arg contains a bit for each supported recording source */ - for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++) - if (mixtable[i].play) - 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].type && mixtable[i].type != MT_4MUTEMONO) - val |= 1 << i; - return put_user(val, p); - - case SOUND_MIXER_CAPS: - return put_user(0, p); - - default: - i = _IOC_NR(cmd); - if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].type) - return -EINVAL; - if (!volidx[i]) - return -EINVAL; - return put_user(s->mix.vol[volidx[i]-1], p); - } - } - if (_SIOC_DIR(cmd) != (_SIOC_READ|_SIOC_WRITE)) - return -EINVAL; - s->mix.modcnt++; - switch (_IOC_NR(cmd)) { - case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */ - if (get_user(val, p)) - return -EFAULT; - i = hweight32(val); - for (j = i = 0; i < SOUND_MIXER_NRDEVICES; i++) { - if (!(val & (1 << i))) - continue; - if (!mixtable[i].rec) { - val &= ~(1 << i); - continue; - } - j |= mixtable[i].rec; - } - spin_lock_irqsave(&s->lock, flags); - wrmixer(s, DSP_MIX_ADCMIXIDX_L, j); - wrmixer(s, DSP_MIX_ADCMIXIDX_R, (j & 1) | (j>>1) | (j & 0x80)); - spin_unlock_irqrestore(&s->lock, flags); - return 0; - - case SOUND_MIXER_OUTSRC: /* Arg contains a bit for each recording source */ - if (get_user(val, p)) - return -EFAULT; - for (j = i = 0; i < SOUND_MIXER_NRDEVICES; i++) { - if (!(val & (1 << i))) - continue; - if (!mixtable[i].play) { - val &= ~(1 << i); - continue; - } - j |= mixtable[i].play; - } - spin_lock_irqsave(&s->lock, flags); - wrmixer(s, DSP_MIX_OUTMIXIDX, j); - spin_unlock_irqrestore(&s->lock, flags); - return 0; - - default: - i = _IOC_NR(cmd); - if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].type) - return -EINVAL; - if (get_user(val, p)) - return -EFAULT; - l = val & 0xff; - r = (val >> 8) & 0xff; - if (l > 100) - l = 100; - if (r > 100) - r = 100; - spin_lock_irqsave(&s->lock, flags); - switch (mixtable[i].type) { - case MT_4: - if (l >= 10) - l -= 10; - if (r >= 10) - r -= 10; - frobindir(s, mixtable[i].left, 0xf0, l / 6); - frobindir(s, mixtable[i].right, 0xf0, l / 6); - break; - - case MT_4MUTEMONO: - rl = (l < 4 ? 0 : (l - 5) / 3) & 31; - rr = (rl >> 2) & 7; - wrmixer(s, mixtable[i].left, rl<<3); - if (i == SOUND_MIXER_MIC) - maskb(s->iobase + CODEC_CMI_MIXER2, ~0x0e, rr<<1); - break; - - case MT_5MUTEMONO: - rl = l < 4 ? 0 : (l - 5) / 3; - wrmixer(s, mixtable[i].left, rl<<3); - l = rdmixer(s, DSP_MIX_OUTMIXIDX) & ~mixtable[i].play; - r = rl ? mixtable[i].play : 0; - wrmixer(s, DSP_MIX_OUTMIXIDX, l | r); - /* for recording */ - if (i == SOUND_MIXER_MIC) { - if (s->chip_version >= 37) { - rr = rl >> 1; - maskb(s->iobase + CODEC_CMI_MIXER2, ~0x0e, (rr&0x07)<<1); - frobindir(s, DSP_MIX_EXTENSION, ~0x01, rr>>3); - } else { - rr = rl >> 2; - maskb(s->iobase + CODEC_CMI_MIXER2, ~0x0e, rr<<1); - } - } - break; - - case MT_5MUTE: - rl = l < 4 ? 0 : (l - 5) / 3; - rr = r < 4 ? 0 : (r - 5) / 3; - wrmixer(s, mixtable[i].left, rl<<3); - wrmixer(s, mixtable[i].right, rr<<3); - l = rdmixer(s, DSP_MIX_OUTMIXIDX); - l &= ~mixtable[i].play; - r = (rl|rr) ? mixtable[i].play : 0; - wrmixer(s, DSP_MIX_OUTMIXIDX, l | r); - break; - - case MT_6MUTE: - if (l < 6) - rl = 0x00; - else - rl = l * 2 / 3; - if (r < 6) - rr = 0x00; - else - rr = r * 2 / 3; - wrmixer(s, mixtable[i].left, rl); - wrmixer(s, mixtable[i].right, rr); - break; - } - spin_unlock_irqrestore(&s->lock, flags); - - if (!volidx[i]) - return -EINVAL; - s->mix.vol[volidx[i]-1] = val; - return put_user(s->mix.vol[volidx[i]-1], p); - } -} - -/* --------------------------------------------------------------------- */ - -static int cm_open_mixdev(struct inode *inode, struct file *file) -{ - int minor = iminor(inode); - struct list_head *list; - struct cm_state *s; - - for (list = devs.next; ; list = list->next) { - if (list == &devs) - return -ENODEV; - s = list_entry(list, struct cm_state, devs); - if (s->dev_mixer == minor) - break; - } - VALIDATE_STATE(s); - file->private_data = s; - return nonseekable_open(inode, file); -} - -static int cm_release_mixdev(struct inode *inode, struct file *file) -{ - struct cm_state *s = (struct cm_state *)file->private_data; - - VALIDATE_STATE(s); - return 0; -} - -static int cm_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - return mixer_ioctl((struct cm_state *)file->private_data, cmd, arg); -} - -static /*const*/ struct file_operations cm_mixer_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .ioctl = cm_ioctl_mixdev, - .open = cm_open_mixdev, - .release = cm_release_mixdev, -}; - - -/* --------------------------------------------------------------------- */ - -static int drain_dac(struct cm_state *s, int nonblock) -{ - DECLARE_WAITQUEUE(wait, current); - unsigned long flags; - int count, tmo; - - if (s->dma_dac.mapped || !s->dma_dac.ready) - return 0; - add_wait_queue(&s->dma_dac.wait, &wait); - for (;;) { - __set_current_state(TASK_INTERRUPTIBLE); - spin_lock_irqsave(&s->lock, flags); - count = s->dma_dac.count; - spin_unlock_irqrestore(&s->lock, flags); - if (count <= 0) - break; - if (signal_pending(current)) - break; - if (nonblock) { - remove_wait_queue(&s->dma_dac.wait, &wait); - set_current_state(TASK_RUNNING); - return -EBUSY; - } - tmo = 3 * HZ * (count + s->dma_dac.fragsize) / 2 / s->ratedac; - tmo >>= sample_shift[(s->fmt >> CM_CFMT_DACSHIFT) & CM_CFMT_MASK]; - if (!schedule_timeout(tmo + 1)) - DBG(printk(KERN_DEBUG "cmpci: dma timed out??\n");) - } - remove_wait_queue(&s->dma_dac.wait, &wait); - set_current_state(TASK_RUNNING); - if (signal_pending(current)) - return -ERESTARTSYS; - return 0; -} - -/* --------------------------------------------------------------------- */ - -static ssize_t cm_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) -{ - struct cm_state *s = (struct cm_state *)file->private_data; - DECLARE_WAITQUEUE(wait, current); - ssize_t ret; - unsigned long flags; - unsigned swptr; - int cnt; - - VALIDATE_STATE(s); - if (s->dma_adc.mapped) - return -ENXIO; - if (!s->dma_adc.ready && (ret = prog_dmabuf(s, 1))) - return ret; - if (!access_ok(VERIFY_WRITE, buffer, count)) - return -EFAULT; - ret = 0; - - 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; - } - if (!schedule_timeout(HZ)) { - printk(KERN_DEBUG "cmpci: read: chip lockup? dmasz %u fragsz %u count %i hwptr %u swptr %u\n", - s->dma_adc.dmasize, s->dma_adc.fragsize, s->dma_adc.count, - s->dma_adc.hwptr, s->dma_adc.swptr); - spin_lock_irqsave(&s->lock, flags); - stop_adc_unlocked(s); - set_dmaadc(s, s->dma_adc.dmaaddr, s->dma_adc.dmasamples); - /* program sample counts */ - set_countadc(s, s->dma_adc.fragsamples); - s->dma_adc.count = s->dma_adc.hwptr = s->dma_adc.swptr = 0; - spin_unlock_irqrestore(&s->lock, flags); - } - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out; - } - continue; - } - if (s->status & DO_BIGENDIAN_R) { - int i, err; - unsigned char *src; - char __user *dst = buffer; - unsigned char data[2]; - - src = (unsigned char *) (s->dma_adc.rawbuf + swptr); - // copy left/right sample at one time - for (i = 0; i < cnt / 2; i++) { - data[0] = src[1]; - data[1] = src[0]; - if ((err = __put_user(data[0], dst++))) { - ret = err; - goto out; - } - if ((err = __put_user(data[1], dst++))) { - ret = err; - goto out; - } - src += 2; - } - } else 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; - count -= cnt; - buffer += cnt; - ret += cnt; - if (s->dma_adc.enabled) - start_adc_unlocked(s); - spin_unlock_irqrestore(&s->lock, flags); - } -out: - remove_wait_queue(&s->dma_adc.wait, &wait); - set_current_state(TASK_RUNNING); - return ret; -} - -static ssize_t cm_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) -{ - struct cm_state *s = (struct cm_state *)file->private_data; - DECLARE_WAITQUEUE(wait, current); - ssize_t ret; - unsigned long flags; - unsigned swptr; - int cnt; - - VALIDATE_STATE(s); - if (s->dma_dac.mapped) - return -ENXIO; - if (!s->dma_dac.ready && (ret = prog_dmabuf(s, 0))) - return ret; - if (!access_ok(VERIFY_READ, buffer, count)) - return -EFAULT; - if (s->status & DO_DUAL_DAC) { - if (s->dma_adc.mapped) - return -ENXIO; - if (!s->dma_adc.ready && (ret = prog_dmabuf(s, 1))) - return ret; - } - if (!access_ok(VERIFY_READ, buffer, count)) - return -EFAULT; - ret = 0; - - add_wait_queue(&s->dma_dac.wait, &wait); - while (count > 0) { - spin_lock_irqsave(&s->lock, flags); - if (s->dma_dac.count < 0) { - s->dma_dac.count = 0; - s->dma_dac.swptr = s->dma_dac.hwptr; - } - if (s->status & DO_DUAL_DAC) { - s->dma_adc.swptr = s->dma_dac.swptr; - s->dma_adc.count = s->dma_dac.count; - s->dma_adc.endcleared = s->dma_dac.endcleared; - } - swptr = s->dma_dac.swptr; - cnt = s->dma_dac.dmasize-swptr; - if (s->status & DO_AC3_SW) { - if (s->dma_dac.count + 2 * cnt > s->dma_dac.dmasize) - cnt = (s->dma_dac.dmasize - s->dma_dac.count) / 2; - } else { - if (s->dma_dac.count + cnt > s->dma_dac.dmasize) - cnt = s->dma_dac.dmasize - s->dma_dac.count; - } - if (cnt <= 0) - __set_current_state(TASK_INTERRUPTIBLE); - spin_unlock_irqrestore(&s->lock, flags); - if (cnt > count) - cnt = count; - if ((s->status & DO_DUAL_DAC) && (cnt > count / 2)) - cnt = count / 2; - if (cnt <= 0) { - if (s->dma_dac.enabled) - start_dac(s); - if (file->f_flags & O_NONBLOCK) { - if (!ret) - ret = -EAGAIN; - goto out; - } - if (!schedule_timeout(HZ)) { - printk(KERN_DEBUG "cmpci: write: chip lockup? dmasz %u fragsz %u count %i hwptr %u swptr %u\n", - s->dma_dac.dmasize, s->dma_dac.fragsize, s->dma_dac.count, - s->dma_dac.hwptr, s->dma_dac.swptr); - spin_lock_irqsave(&s->lock, flags); - stop_dac_unlocked(s); - set_dmadac(s, s->dma_dac.dmaaddr, s->dma_dac.dmasamples); - /* program sample counts */ - set_countdac(s, s->dma_dac.fragsamples); - s->dma_dac.count = s->dma_dac.hwptr = s->dma_dac.swptr = 0; - if (s->status & DO_DUAL_DAC) { - set_dmadac1(s, s->dma_adc.dmaaddr, s->dma_adc.dmasamples); - s->dma_adc.count = s->dma_adc.hwptr = s->dma_adc.swptr = 0; - } - spin_unlock_irqrestore(&s->lock, flags); - } - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out; - } - continue; - } - if (s->status & DO_AC3_SW) { - int err; - - // clip exceeded data, caught by 033 and 037 - if (swptr + 2 * cnt > s->dma_dac.dmasize) - cnt = (s->dma_dac.dmasize - swptr) / 2; - if ((err = trans_ac3(s, s->dma_dac.rawbuf + swptr, buffer, cnt))) { - ret = err; - goto out; - } - swptr = (swptr + 2 * cnt) % s->dma_dac.dmasize; - } else if ((s->status & DO_DUAL_DAC) && (s->status & DO_BIGENDIAN_W)) { - int i, err; - const char __user *src = buffer; - unsigned char *dst0, *dst1; - unsigned char data[8]; - - dst0 = (unsigned char *) (s->dma_dac.rawbuf + swptr); - dst1 = (unsigned char *) (s->dma_adc.rawbuf + swptr); - // copy left/right sample at one time - for (i = 0; i < cnt / 4; i++) { - if ((err = __get_user(data[0], src++))) { - ret = err; - goto out; - } - if ((err = __get_user(data[1], src++))) { - ret = err; - goto out; - } - if ((err = __get_user(data[2], src++))) { - ret = err; - goto out; - } - if ((err = __get_user(data[3], src++))) { - ret = err; - goto out; - } - if ((err = __get_user(data[4], src++))) { - ret = err; - goto out; - } - if ((err = __get_user(data[5], src++))) { - ret = err; - goto out; - } - if ((err = __get_user(data[6], src++))) { - ret = err; - goto out; - } - if ((err = __get_user(data[7], src++))) { - ret = err; - goto out; - } - dst0[0] = data[1]; - dst0[1] = data[0]; - dst0[2] = data[3]; - dst0[3] = data[2]; - dst1[0] = data[5]; - dst1[1] = data[4]; - dst1[2] = data[7]; - dst1[3] = data[6]; - dst0 += 4; - dst1 += 4; - } - swptr = (swptr + cnt) % s->dma_dac.dmasize; - } else if (s->status & DO_DUAL_DAC) { - int i, err; - unsigned long __user *src = (unsigned long __user *) buffer; - unsigned long *dst0, *dst1; - - dst0 = (unsigned long *) (s->dma_dac.rawbuf + swptr); - dst1 = (unsigned long *) (s->dma_adc.rawbuf + swptr); - // copy left/right sample at one time - for (i = 0; i < cnt / 4; i++) { - if ((err = __get_user(*dst0++, src++))) { - ret = err; - goto out; - } - if ((err = __get_user(*dst1++, src++))) { - ret = err; - goto out; - } - } - swptr = (swptr + cnt) % s->dma_dac.dmasize; - } else if (s->status & DO_BIGENDIAN_W) { - int i, err; - const char __user *src = buffer; - unsigned char *dst; - unsigned char data[2]; - - dst = (unsigned char *) (s->dma_dac.rawbuf + swptr); - // swap hi/lo bytes for each sample - for (i = 0; i < cnt / 2; i++) { - if ((err = __get_user(data[0], src++))) { - ret = err; - goto out; - } - if ((err = __get_user(data[1], src++))) { - ret = err; - goto out; - } - dst[0] = data[1]; - dst[1] = data[0]; - dst += 2; - } - swptr = (swptr + cnt) % s->dma_dac.dmasize; - } else { - if (copy_from_user(s->dma_dac.rawbuf + swptr, buffer, cnt)) { - if (!ret) - ret = -EFAULT; - goto out; - } - swptr = (swptr + cnt) % s->dma_dac.dmasize; - } - spin_lock_irqsave(&s->lock, flags); - s->dma_dac.swptr = swptr; - s->dma_dac.count += cnt; - if (s->status & DO_AC3_SW) - s->dma_dac.count += cnt; - s->dma_dac.endcleared = 0; - spin_unlock_irqrestore(&s->lock, flags); - count -= cnt; - buffer += cnt; - ret += cnt; - if (s->status & DO_DUAL_DAC) { - count -= cnt; - buffer += cnt; - ret += cnt; - } - if (s->dma_dac.enabled) - start_dac(s); - } -out: - remove_wait_queue(&s->dma_dac.wait, &wait); - set_current_state(TASK_RUNNING); - return ret; -} - -static unsigned int cm_poll(struct file *file, struct poll_table_struct *wait) -{ - struct cm_state *s = (struct cm_state *)file->private_data; - unsigned long flags; - unsigned int mask = 0; - - VALIDATE_STATE(s); - if (file->f_mode & FMODE_WRITE) { - if (!s->dma_dac.ready && prog_dmabuf(s, 0)) - return 0; - poll_wait(file, &s->dma_dac.wait, wait); - } - if (file->f_mode & FMODE_READ) { - if (!s->dma_adc.ready && prog_dmabuf(s, 1)) - return 0; - poll_wait(file, &s->dma_adc.wait, wait); - } - spin_lock_irqsave(&s->lock, flags); - cm_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_dac.mapped) { - if (s->dma_dac.count >= (signed)s->dma_dac.fragsize) - mask |= POLLOUT | POLLWRNORM; - } else { - if ((signed)s->dma_dac.dmasize >= s->dma_dac.count + (signed)s->dma_dac.fragsize) - mask |= POLLOUT | POLLWRNORM; - } - } - spin_unlock_irqrestore(&s->lock, flags); - return mask; -} - -static int cm_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct cm_state *s = (struct cm_state *)file->private_data; - struct dmabuf *db; - int ret = -EINVAL; - unsigned long size; - - VALIDATE_STATE(s); - lock_kernel(); - if (vma->vm_flags & VM_WRITE) { - if ((ret = prog_dmabuf(s, 0)) != 0) - goto out; - db = &s->dma_dac; - } else if (vma->vm_flags & VM_READ) { - if ((ret = prog_dmabuf(s, 1)) != 0) - goto out; - db = &s->dma_adc; - } else - goto out; - ret = -EINVAL; - if (vma->vm_pgoff != 0) - goto out; - size = vma->vm_end - vma->vm_start; - if (size > (PAGE_SIZE << db->buforder)) - goto out; - ret = -EINVAL; - if (remap_pfn_range(vma, vma->vm_start, - virt_to_phys(db->rawbuf) >> PAGE_SHIFT, - size, vma->vm_page_prot)) - goto out; - db->mapped = 1; - ret = 0; -out: - unlock_kernel(); - return ret; -} - -#define SNDCTL_SPDIF_COPYRIGHT _SIOW('S', 0, int) // set/reset S/PDIF copy protection -#define SNDCTL_SPDIF_LOOP _SIOW('S', 1, int) // set/reset S/PDIF loop -#define SNDCTL_SPDIF_MONITOR _SIOW('S', 2, int) // set S/PDIF monitor -#define SNDCTL_SPDIF_LEVEL _SIOW('S', 3, int) // set/reset S/PDIF out level -#define SNDCTL_SPDIF_INV _SIOW('S', 4, int) // set/reset S/PDIF in inverse -#define SNDCTL_SPDIF_SEL2 _SIOW('S', 5, int) // set S/PDIF in #2 -#define SNDCTL_SPDIF_VALID _SIOW('S', 6, int) // set S/PDIF valid -#define SNDCTL_SPDIFOUT _SIOW('S', 7, int) // set S/PDIF out -#define SNDCTL_SPDIFIN _SIOW('S', 8, int) // set S/PDIF out - -static int cm_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - struct cm_state *s = (struct cm_state *)file->private_data; - unsigned long flags; - audio_buf_info abinfo; - count_info cinfo; - int val, mapped, ret; - unsigned char fmtm, fmtd; - void __user *argp = (void __user *)arg; - int __user *p = argp; - - VALIDATE_STATE(s); - mapped = ((file->f_mode & FMODE_WRITE) && s->dma_dac.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_dac(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 | DSP_CAP_BIND, p); - - case SNDCTL_DSP_RESET: - if (file->f_mode & FMODE_WRITE) { - stop_dac(s); - synchronize_irq(s->irq); - s->dma_dac.swptr = s->dma_dac.hwptr = s->dma_dac.count = s->dma_dac.total_bytes = 0; - if (s->status & DO_DUAL_DAC) - s->dma_adc.swptr = s->dma_adc.hwptr = s->dma_adc.count = s->dma_adc.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) { - spin_lock_irqsave(&s->lock, flags); - stop_adc_unlocked(s); - s->dma_adc.ready = 0; - set_adc_rate_unlocked(s, val); - spin_unlock_irqrestore(&s->lock, flags); - } - if (file->f_mode & FMODE_WRITE) { - stop_dac(s); - s->dma_dac.ready = 0; - if (s->status & DO_DUAL_DAC) - s->dma_adc.ready = 0; - set_dac_rate(s, val); - } - } - return put_user((file->f_mode & FMODE_READ) ? s->rateadc : s->ratedac, p); - - case SNDCTL_DSP_STEREO: - if (get_user(val, p)) - return -EFAULT; - fmtd = 0; - fmtm = ~0; - if (file->f_mode & FMODE_READ) { - stop_adc(s); - s->dma_adc.ready = 0; - if (val) - fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT; - else - fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT); - } - if (file->f_mode & FMODE_WRITE) { - stop_dac(s); - s->dma_dac.ready = 0; - if (val) - fmtd |= CM_CFMT_STEREO << CM_CFMT_DACSHIFT; - else - fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_DACSHIFT); - if (s->status & DO_DUAL_DAC) { - s->dma_adc.ready = 0; - if (val) - fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT; - else - fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT); - } - } - set_fmt(s, fmtm, fmtd); - return 0; - - case SNDCTL_DSP_CHANNELS: - if (get_user(val, p)) - return -EFAULT; - if (val != 0) { - fmtd = 0; - fmtm = ~0; - if (file->f_mode & FMODE_READ) { - stop_adc(s); - s->dma_adc.ready = 0; - if (val >= 2) - fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT; - else - fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT); - } - if (file->f_mode & FMODE_WRITE) { - stop_dac(s); - s->dma_dac.ready = 0; - if (val >= 2) - fmtd |= CM_CFMT_STEREO << CM_CFMT_DACSHIFT; - else - fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_DACSHIFT); - if (s->status & DO_DUAL_DAC) { - s->dma_adc.ready = 0; - if (val >= 2) - fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT; - else - fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT); - } - } - set_fmt(s, fmtm, fmtd); - if ((s->capability & CAN_MULTI_CH) - && (file->f_mode & FMODE_WRITE)) { - val = set_dac_channels(s, val); - return put_user(val, p); - } - } - return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (CM_CFMT_STEREO << CM_CFMT_ADCSHIFT) - : (CM_CFMT_STEREO << CM_CFMT_DACSHIFT))) ? 2 : 1, p); - - case SNDCTL_DSP_GETFMTS: /* Returns a mask */ - return put_user(AFMT_S16_BE|AFMT_S16_LE|AFMT_U8| - ((s->capability & CAN_AC3) ? AFMT_AC3 : 0), p); - - case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/ - if (get_user(val, p)) - return -EFAULT; - if (val != AFMT_QUERY) { - fmtd = 0; - fmtm = ~0; - if (file->f_mode & FMODE_READ) { - stop_adc(s); - s->dma_adc.ready = 0; - if (val == AFMT_S16_BE || val == AFMT_S16_LE) - fmtd |= CM_CFMT_16BIT << CM_CFMT_ADCSHIFT; - else - fmtm &= ~(CM_CFMT_16BIT << CM_CFMT_ADCSHIFT); - if (val == AFMT_S16_BE) - s->status |= DO_BIGENDIAN_R; - else - s->status &= ~DO_BIGENDIAN_R; - } - if (file->f_mode & FMODE_WRITE) { - stop_dac(s); - s->dma_dac.ready = 0; - if (val == AFMT_S16_BE || val == AFMT_S16_LE || val == AFMT_AC3) - fmtd |= CM_CFMT_16BIT << CM_CFMT_DACSHIFT; - else - fmtm &= ~(CM_CFMT_16BIT << CM_CFMT_DACSHIFT); - if (val == AFMT_AC3) { - fmtd |= CM_CFMT_STEREO << CM_CFMT_DACSHIFT; - set_ac3(s, 48000); - } else - set_ac3(s, 0); - if (s->status & DO_DUAL_DAC) { - s->dma_adc.ready = 0; - if (val == AFMT_S16_BE || val == AFMT_S16_LE) - fmtd |= CM_CFMT_STEREO << CM_CFMT_ADCSHIFT; - else - fmtm &= ~(CM_CFMT_STEREO << CM_CFMT_ADCSHIFT); - } - if (val == AFMT_S16_BE) - s->status |= DO_BIGENDIAN_W; - else - s->status &= ~DO_BIGENDIAN_W; - } - set_fmt(s, fmtm, fmtd); - } - if (s->status & DO_AC3) return put_user(AFMT_AC3, p); - return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (CM_CFMT_16BIT << CM_CFMT_ADCSHIFT) - : (CM_CFMT_16BIT << CM_CFMT_DACSHIFT))) ? val : AFMT_U8, p); - - case SNDCTL_DSP_POST: - return 0; - - case SNDCTL_DSP_GETTRIGGER: - val = 0; - if (s->status & DO_DUAL_DAC) { - if (file->f_mode & FMODE_WRITE && - (s->enable & ENDAC) && - (s->enable & ENADC)) - val |= PCM_ENABLE_OUTPUT; - return put_user(val, p); - } - if (file->f_mode & FMODE_READ && s->enable & ENADC) - val |= PCM_ENABLE_INPUT; - if (file->f_mode & FMODE_WRITE && s->enable & ENDAC) - 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(s, 1))) - 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_dac.ready && (ret = prog_dmabuf(s, 0))) - return ret; - if (s->status & DO_DUAL_DAC) { - if (!s->dma_adc.ready && (ret = prog_dmabuf(s, 1))) - return ret; - } - s->dma_dac.enabled = 1; - start_dac(s); - } else { - s->dma_dac.enabled = 0; - stop_dac(s); - } - } - return 0; - - case SNDCTL_DSP_GETOSPACE: - if (!(file->f_mode & FMODE_WRITE)) - return -EINVAL; - if (!(s->enable & ENDAC) && (val = prog_dmabuf(s, 0)) != 0) - return val; - spin_lock_irqsave(&s->lock, flags); - cm_update_ptr(s); - abinfo.fragsize = s->dma_dac.fragsize; - abinfo.bytes = s->dma_dac.dmasize - s->dma_dac.count; - abinfo.fragstotal = s->dma_dac.numfrag; - abinfo.fragments = abinfo.bytes >> s->dma_dac.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->enable & ENADC) && (val = prog_dmabuf(s, 1)) != 0) - return val; - spin_lock_irqsave(&s->lock, flags); - cm_update_ptr(s); - abinfo.fragsize = s->dma_adc.fragsize; - abinfo.bytes = s->dma_adc.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; - spin_lock_irqsave(&s->lock, flags); - cm_update_ptr(s); - val = s->dma_dac.count; - spin_unlock_irqrestore(&s->lock, flags); - return put_user(val, p); - - case SNDCTL_DSP_GETIPTR: - if (!(file->f_mode & FMODE_READ)) - return -EINVAL; - spin_lock_irqsave(&s->lock, flags); - cm_update_ptr(s); - cinfo.bytes = s->dma_adc.total_bytes; - cinfo.blocks = s->dma_adc.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); - return copy_to_user(argp, &cinfo, sizeof(cinfo)) ? -EFAULT : 0; - - case SNDCTL_DSP_GETOPTR: - if (!(file->f_mode & FMODE_WRITE)) - return -EINVAL; - spin_lock_irqsave(&s->lock, flags); - cm_update_ptr(s); - cinfo.bytes = s->dma_dac.total_bytes; - cinfo.blocks = s->dma_dac.count >> s->dma_dac.fragshift; - cinfo.ptr = s->dma_dac.hwptr; - if (s->dma_dac.mapped) - s->dma_dac.count &= s->dma_dac.fragsize-1; - if (s->status & DO_DUAL_DAC) { - if (s->dma_adc.mapped) - s->dma_adc.count &= s->dma_adc.fragsize-1; - } - spin_unlock_irqrestore(&s->lock, flags); - return copy_to_user(argp, &cinfo, sizeof(cinfo)) ? -EFAULT : 0; - - case SNDCTL_DSP_GETBLKSIZE: - if (file->f_mode & FMODE_WRITE) { - if ((val = prog_dmabuf(s, 0))) - return val; - if (s->status & DO_DUAL_DAC) { - if ((val = prog_dmabuf(s, 1))) - return val; - return put_user(2 * s->dma_dac.fragsize, p); - } - return put_user(s->dma_dac.fragsize, p); - } - if ((val = prog_dmabuf(s, 1))) - 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_dac.ossfragshift = val & 0xffff; - s->dma_dac.ossmaxfrags = (val >> 16) & 0xffff; - if (s->dma_dac.ossfragshift < 4) - s->dma_dac.ossfragshift = 4; - if (s->dma_dac.ossfragshift > 15) - s->dma_dac.ossfragshift = 15; - if (s->dma_dac.ossmaxfrags < 4) - s->dma_dac.ossmaxfrags = 4; - if (s->status & DO_DUAL_DAC) { - s->dma_adc.ossfragshift = s->dma_dac.ossfragshift; - s->dma_adc.ossmaxfrags = s->dma_dac.ossmaxfrags; - } - } - return 0; - - case SNDCTL_DSP_SUBDIVIDE: - if ((file->f_mode & FMODE_READ && s->dma_adc.subdivision) || - (file->f_mode & FMODE_WRITE && s->dma_dac.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_dac.subdivision = val; - if (s->status & DO_DUAL_DAC) - s->dma_adc.subdivision = val; - } - return 0; - - case SOUND_PCM_READ_RATE: - return put_user((file->f_mode & FMODE_READ) ? s->rateadc : s->ratedac, p); - - case SOUND_PCM_READ_CHANNELS: - return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (CM_CFMT_STEREO << CM_CFMT_ADCSHIFT) : (CM_CFMT_STEREO << CM_CFMT_DACSHIFT))) ? 2 : 1, p); - - case SOUND_PCM_READ_BITS: - return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (CM_CFMT_16BIT << CM_CFMT_ADCSHIFT) : (CM_CFMT_16BIT << CM_CFMT_DACSHIFT))) ? 16 : 8, p); - - case SOUND_PCM_READ_FILTER: - return put_user((file->f_mode & FMODE_READ) ? s->rateadc : s->ratedac, p); - - case SNDCTL_DSP_GETCHANNELMASK: - return put_user(DSP_BIND_FRONT|DSP_BIND_SURR|DSP_BIND_CENTER_LFE|DSP_BIND_SPDIF, p); - - case SNDCTL_DSP_BIND_CHANNEL: - if (get_user(val, p)) - return -EFAULT; - if (val == DSP_BIND_QUERY) { - val = DSP_BIND_FRONT; - if (s->status & DO_SPDIF_OUT) - val |= DSP_BIND_SPDIF; - else { - if (s->curr_channels == 4) - val |= DSP_BIND_SURR; - if (s->curr_channels > 4) - val |= DSP_BIND_CENTER_LFE; - } - } else { - if (file->f_mode & FMODE_READ) { - stop_adc(s); - s->dma_adc.ready = 0; - if (val & DSP_BIND_SPDIF) { - set_spdifin(s, s->rateadc); - if (!(s->status & DO_SPDIF_OUT)) - val &= ~DSP_BIND_SPDIF; - } - } - if (file->f_mode & FMODE_WRITE) { - stop_dac(s); - s->dma_dac.ready = 0; - if (val & DSP_BIND_SPDIF) { - set_spdifout(s, s->ratedac); - set_dac_channels(s, s->fmt & (CM_CFMT_STEREO << CM_CFMT_DACSHIFT) ? 2 : 1); - if (!(s->status & DO_SPDIF_OUT)) - val &= ~DSP_BIND_SPDIF; - } else { - int channels; - int mask; - - mask = val & (DSP_BIND_FRONT|DSP_BIND_SURR|DSP_BIND_CENTER_LFE); - switch (mask) { - case DSP_BIND_FRONT: - channels = 2; - break; - case DSP_BIND_FRONT|DSP_BIND_SURR: - channels = 4; - break; - case DSP_BIND_FRONT|DSP_BIND_SURR|DSP_BIND_CENTER_LFE: - channels = 6; - break; - default: - channels = s->fmt & (CM_CFMT_STEREO << CM_CFMT_DACSHIFT) ? 2 : 1; - break; - } - set_dac_channels(s, channels); - } - } - } - return put_user(val, p); - - case SOUND_PCM_WRITE_FILTER: - case SNDCTL_DSP_MAPINBUF: - case SNDCTL_DSP_MAPOUTBUF: - case SNDCTL_DSP_SETSYNCRO: - return -EINVAL; - case SNDCTL_SPDIF_COPYRIGHT: - if (get_user(val, p)) - return -EFAULT; - set_spdif_copyright(s, val); - return 0; - case SNDCTL_SPDIF_LOOP: - if (get_user(val, p)) - return -EFAULT; - set_spdif_loop(s, val); - return 0; - case SNDCTL_SPDIF_MONITOR: - if (get_user(val, p)) - return -EFAULT; - set_spdif_monitor(s, val); - return 0; - case SNDCTL_SPDIF_LEVEL: - if (get_user(val, p)) - return -EFAULT; - set_spdifout_level(s, val); - return 0; - case SNDCTL_SPDIF_INV: - if (get_user(val, p)) - return -EFAULT; - set_spdifin_inverse(s, val); - return 0; - case SNDCTL_SPDIF_SEL2: - if (get_user(val, p)) - return -EFAULT; - set_spdifin_channel2(s, val); - return 0; - case SNDCTL_SPDIF_VALID: - if (get_user(val, p)) - return -EFAULT; - set_spdifin_valid(s, val); - return 0; - case SNDCTL_SPDIFOUT: - if (get_user(val, p)) - return -EFAULT; - set_spdifout(s, val ? s->ratedac : 0); - return 0; - case SNDCTL_SPDIFIN: - if (get_user(val, p)) - return -EFAULT; - set_spdifin(s, val ? s->rateadc : 0); - return 0; - } - return mixer_ioctl(s, cmd, arg); -} - -static int cm_open(struct inode *inode, struct file *file) -{ - int minor = iminor(inode); - DECLARE_WAITQUEUE(wait, current); - unsigned char fmtm = ~0, fmts = 0; - struct list_head *list; - struct cm_state *s; - - for (list = devs.next; ; list = list->next) { - if (list == &devs) - return -ENODEV; - s = list_entry(list, struct cm_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->status &= ~DO_BIGENDIAN_R; - fmtm &= ~((CM_CFMT_STEREO | CM_CFMT_16BIT) << CM_CFMT_ADCSHIFT); - if ((minor & 0xf) == SND_DEV_DSP16) - fmts |= CM_CFMT_16BIT << CM_CFMT_ADCSHIFT; - s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0; - s->dma_adc.enabled = 1; - set_adc_rate(s, 8000); - // spdif-in is turnned off by default - set_spdifin(s, 0); - } - if (file->f_mode & FMODE_WRITE) { - s->status &= ~DO_BIGENDIAN_W; - fmtm &= ~((CM_CFMT_STEREO | CM_CFMT_16BIT) << CM_CFMT_DACSHIFT); - if ((minor & 0xf) == SND_DEV_DSP16) - fmts |= CM_CFMT_16BIT << CM_CFMT_DACSHIFT; - s->dma_dac.ossfragshift = s->dma_dac.ossmaxfrags = s->dma_dac.subdivision = 0; - s->dma_dac.enabled = 1; - set_dac_rate(s, 8000); - // clear previous multichannel, spdif, ac3 state - set_spdifout(s, 0); - set_ac3(s, 0); - set_dac_channels(s, 1); - } - set_fmt(s, fmtm, fmts); - s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE); - mutex_unlock(&s->open_mutex); - return nonseekable_open(inode, file); -} - -static int cm_release(struct inode *inode, struct file *file) -{ - struct cm_state *s = (struct cm_state *)file->private_data; - - VALIDATE_STATE(s); - lock_kernel(); - if (file->f_mode & FMODE_WRITE) - drain_dac(s, file->f_flags & O_NONBLOCK); - mutex_lock(&s->open_mutex); - if (file->f_mode & FMODE_WRITE) { - stop_dac(s); - - dealloc_dmabuf(s, &s->dma_dac); - if (s->status & DO_DUAL_DAC) - dealloc_dmabuf(s, &s->dma_adc); - - if (s->status & DO_MULTI_CH) - set_dac_channels(s, 1); - if (s->status & DO_AC3) - set_ac3(s, 0); - if (s->status & DO_SPDIF_OUT) - set_spdifout(s, 0); - /* enable SPDIF loop */ - set_spdif_loop(s, spdif_loop); - s->status &= ~DO_BIGENDIAN_W; - } - if (file->f_mode & FMODE_READ) { - stop_adc(s); - dealloc_dmabuf(s, &s->dma_adc); - s->status &= ~DO_BIGENDIAN_R; - } - 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 cm_audio_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = cm_read, - .write = cm_write, - .poll = cm_poll, - .ioctl = cm_ioctl, - .mmap = cm_mmap, - .open = cm_open, - .release = cm_release, -}; - -/* --------------------------------------------------------------------- */ - -static struct initvol { - int mixch; - int vol; -} initvol[] __devinitdata = { - { SOUND_MIXER_WRITE_CD, 0x4f4f }, - { SOUND_MIXER_WRITE_LINE, 0x4f4f }, - { SOUND_MIXER_WRITE_MIC, 0x4f4f }, - { SOUND_MIXER_WRITE_SYNTH, 0x4f4f }, - { SOUND_MIXER_WRITE_VOLUME, 0x4f4f }, - { SOUND_MIXER_WRITE_PCM, 0x4f4f } -}; - -/* check chip version and capability */ -static int query_chip(struct cm_state *s) -{ - int ChipVersion = -1; - unsigned char RegValue; - - // check reg 0Ch, bit 24-31 - RegValue = inb(s->iobase + CODEC_CMI_INT_HLDCLR + 3); - if (RegValue == 0) { - // check reg 08h, bit 24-28 - RegValue = inb(s->iobase + CODEC_CMI_CHFORMAT + 3); - RegValue &= 0x1f; - if (RegValue == 0) { - ChipVersion = 33; - s->max_channels = 4; - s->capability |= CAN_AC3_SW; - s->capability |= CAN_DUAL_DAC; - } else { - ChipVersion = 37; - s->max_channels = 4; - s->capability |= CAN_AC3_HW; - s->capability |= CAN_DUAL_DAC; - } - } else { - // check reg 0Ch, bit 26 - if (RegValue & (1 << (26-24))) { - ChipVersion = 39; - if (RegValue & (1 << (24-24))) - s->max_channels = 6; - else - s->max_channels = 4; - s->capability |= CAN_AC3_HW; - s->capability |= CAN_DUAL_DAC; - s->capability |= CAN_MULTI_CH_HW; - s->capability |= CAN_LINE_AS_BASS; - s->capability |= CAN_MIC_AS_BASS; - } else { - ChipVersion = 55; // 4 or 6 channels - s->max_channels = 6; - s->capability |= CAN_AC3_HW; - s->capability |= CAN_DUAL_DAC; - s->capability |= CAN_MULTI_CH_HW; - s->capability |= CAN_LINE_AS_BASS; - s->capability |= CAN_MIC_AS_BASS; - } - } - s->capability |= CAN_LINE_AS_REAR; - return ChipVersion; -} - -#ifdef CONFIG_SOUND_CMPCI_JOYSTICK -static int __devinit cm_create_gameport(struct cm_state *s, int io_port) -{ - struct gameport *gp; - - if (!request_region(io_port, CM_EXTENT_GAME, "cmpci GAME")) { - printk(KERN_ERR "cmpci: gameport io ports 0x%#x in use\n", io_port); - return -EBUSY; - } - - if (!(s->gameport = gp = gameport_allocate_port())) { - printk(KERN_ERR "cmpci: can not allocate memory for gameport\n"); - release_region(io_port, CM_EXTENT_GAME); - return -ENOMEM; - } - - gameport_set_name(gp, "C-Media GP"); - gameport_set_phys(gp, "pci%s/gameport0", pci_name(s->dev)); - gp->dev.parent = &s->dev->dev; - gp->io = io_port; - - /* enable joystick */ - maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0, 0x02); - - gameport_register_port(gp); - - return 0; -} - -static void __devexit cm_free_gameport(struct cm_state *s) -{ - if (s->gameport) { - int gpio = s->gameport->io; - - gameport_unregister_port(s->gameport); - s->gameport = NULL; - maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0x02, 0); - release_region(gpio, CM_EXTENT_GAME); - } -} -#else -static inline int cm_create_gameport(struct cm_state *s, int io_port) { return -ENOSYS; } -static inline void cm_free_gameport(struct cm_state *s) { } -#endif - -#define echo_option(x)\ -if (x) strcat(options, "" #x " ") - -static int __devinit cm_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid) -{ - struct cm_state *s; - mm_segment_t fs; - int i, val, ret; - unsigned char reg_mask; - int timeout; - struct resource *ports; - struct { - unsigned short deviceid; - char *devicename; - } devicetable[] = { - { PCI_DEVICE_ID_CMEDIA_CM8338A, "CM8338A" }, - { PCI_DEVICE_ID_CMEDIA_CM8338B, "CM8338B" }, - { PCI_DEVICE_ID_CMEDIA_CM8738, "CM8738" }, - { PCI_DEVICE_ID_CMEDIA_CM8738B, "CM8738B" }, - }; - char *devicename = "unknown"; - char options[256]; - - if ((ret = pci_enable_device(pcidev))) - return ret; - 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 "cmpci: architecture does not support 32bit PCI busmaster DMA\n"); - return i; - } - s = kmalloc(sizeof(*s), GFP_KERNEL); - if (!s) { - printk(KERN_WARNING "cmpci: out of memory\n"); - return -ENOMEM; - } - /* search device name */ - for (i = 0; i < sizeof(devicetable) / sizeof(devicetable[0]); i++) { - if (devicetable[i].deviceid == pcidev->device) { - devicename = devicetable[i].devicename; - break; - } - } - memset(s, 0, sizeof(struct cm_state)); - init_waitqueue_head(&s->dma_adc.wait); - init_waitqueue_head(&s->dma_dac.wait); - init_waitqueue_head(&s->open_wait); - mutex_init(&s->open_mutex); - spin_lock_init(&s->lock); - s->magic = CM_MAGIC; - s->dev = pcidev; - s->iobase = pci_resource_start(pcidev, 0); - s->iosynth = fmio; - s->iomidi = mpuio; -#ifdef CONFIG_SOUND_CMPCI_MIDI - s->midi_devc = 0; -#endif - s->status = 0; - if (s->iobase == 0) - return -ENODEV; - s->irq = pcidev->irq; - - if (!request_region(s->iobase, CM_EXTENT_CODEC, "cmpci")) { - printk(KERN_ERR "cmpci: io ports %#x-%#x in use\n", s->iobase, s->iobase+CM_EXTENT_CODEC-1); - ret = -EBUSY; - goto err_region5; - } - /* dump parameters */ - strcpy(options, "cmpci: "); - echo_option(joystick); - echo_option(spdif_inverse); - echo_option(spdif_loop); - echo_option(spdif_out); - echo_option(use_line_as_rear); - echo_option(use_line_as_bass); - echo_option(use_mic_as_bass); - echo_option(mic_boost); - echo_option(hw_copy); - printk(KERN_INFO "%s\n", options); - - /* initialize codec registers */ - outb(0, s->iobase + CODEC_CMI_INT_HLDCLR + 2); /* disable ints */ - outb(0, s->iobase + CODEC_CMI_FUNCTRL0 + 2); /* disable channels */ - /* reset mixer */ - wrmixer(s, DSP_MIX_DATARESETIDX, 0); - - /* request irq */ - if ((ret = request_irq(s->irq, cm_interrupt, IRQF_SHARED, "cmpci", s))) { - printk(KERN_ERR "cmpci: irq %u in use\n", s->irq); - goto err_irq; - } - printk(KERN_INFO "cmpci: found %s adapter at io %#x irq %u\n", - devicename, s->iobase, s->irq); - /* register devices */ - if ((s->dev_audio = register_sound_dsp(&cm_audio_fops, -1)) < 0) { - ret = s->dev_audio; - goto err_dev1; - } - if ((s->dev_mixer = register_sound_mixer(&cm_mixer_fops, -1)) < 0) { - ret = s->dev_mixer; - goto err_dev2; - } - pci_set_master(pcidev); /* enable bus mastering */ - /* initialize the chips */ - fs = get_fs(); - set_fs(KERNEL_DS); - /* set mixer output */ - frobindir(s, DSP_MIX_OUTMIXIDX, 0x1f, 0x1f); - /* set mixer input */ - val = SOUND_MASK_LINE|SOUND_MASK_SYNTH|SOUND_MASK_CD|SOUND_MASK_MIC; - 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); - /* use channel 1 for playback, channel 0 for record */ - maskb(s->iobase + CODEC_CMI_FUNCTRL0, ~CHADC1, CHADC0); - /* turn off VMIC3 - mic boost */ - if (mic_boost) - maskb(s->iobase + CODEC_CMI_MIXER2, ~1, 0); - else - maskb(s->iobase + CODEC_CMI_MIXER2, ~0, 1); - s->deviceid = pcidev->device; - - if (pcidev->device == PCI_DEVICE_ID_CMEDIA_CM8738 - || pcidev->device == PCI_DEVICE_ID_CMEDIA_CM8738B) { - - /* chip version and hw capability check */ - s->chip_version = query_chip(s); - printk(KERN_INFO "cmpci: chip version = 0%d\n", s->chip_version); - - /* set SPDIF-in inverse before enable SPDIF loop */ - set_spdifin_inverse(s, spdif_inverse); - - /* use SPDIF in #1 */ - set_spdifin_channel2(s, 0); - } else { - s->chip_version = 0; - /* 8338 will fall here */ - s->max_channels = 4; - s->capability |= CAN_DUAL_DAC; - s->capability |= CAN_LINE_AS_REAR; - } - /* enable SPDIF loop */ - set_spdif_loop(s, spdif_loop); - - // enable 4 speaker mode (analog duplicate) - set_hw_copy(s, hw_copy); - - reg_mask = 0; -#ifdef CONFIG_SOUND_CMPCI_FM - /* disable FM */ - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~8, 0); - if (s->iosynth) { - /* don't enable OPL3 if there is one */ - if (opl3_detect(s->iosynth, NULL)) { - s->iosynth = 0; - } else { - /* set IO based at 0x388 */ - switch (s->iosynth) { - case 0x388: - reg_mask = 0; - break; - case 0x3C8: - reg_mask = 0x01; - break; - case 0x3E0: - reg_mask = 0x02; - break; - case 0x3E8: - reg_mask = 0x03; - break; - default: - s->iosynth = 0; - break; - } - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 3, ~0x03, reg_mask); - /* enable FM */ - if (s->iosynth) { - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~0, 8); - if (opl3_detect(s->iosynth, NULL)) - ret = opl3_init(s->iosynth, NULL, THIS_MODULE); - else { - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~8, 0); - s->iosynth = 0; - } - } - } - } -#endif -#ifdef CONFIG_SOUND_CMPCI_MIDI - switch (s->iomidi) { - case 0x330: - reg_mask = 0; - break; - case 0x320: - reg_mask = 0x20; - break; - case 0x310: - reg_mask = 0x40; - break; - case 0x300: - reg_mask = 0x60; - break; - default: - s->iomidi = 0; - goto skip_mpu; - } - ports = request_region(s->iomidi, 2, "mpu401"); - if (!ports) - goto skip_mpu; - /* disable MPU-401 */ - maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0x04, 0); - s->mpu_data.name = "cmpci mpu"; - s->mpu_data.io_base = s->iomidi; - s->mpu_data.irq = -s->irq; // tell mpu401 to share irq - if (probe_mpu401(&s->mpu_data, ports)) { - release_region(s->iomidi, 2); - s->iomidi = 0; - goto skip_mpu; - } - maskb(s->iobase + CODEC_CMI_LEGACY_CTRL + 3, ~0x60, reg_mask); - /* enable MPU-401 */ - maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0, 0x04); - /* clear all previously received interrupt */ - for (timeout = 900000; timeout > 0; timeout--) { - if ((inb(s->iomidi + 1) && 0x80) == 0) - inb(s->iomidi); - else - break; - } - if (!probe_mpu401(&s->mpu_data, ports)) { - release_region(s->iomidi, 2); - s->iomidi = 0; - maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0, 0x04); - } else { - attach_mpu401(&s->mpu_data, THIS_MODULE); - s->midi_devc = s->mpu_data.slots[1]; - } -skip_mpu: -#endif - /* disable joystick port */ - maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0x02, 0); - if (joystick) - cm_create_gameport(s, 0x200); - - /* 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_dev2: - unregister_sound_dsp(s->dev_audio); -err_dev1: - printk(KERN_ERR "cmpci: cannot register misc device\n"); - free_irq(s->irq, s); -err_irq: - release_region(s->iobase, CM_EXTENT_CODEC); -err_region5: - kfree(s); - return ret; -} - -/* --------------------------------------------------------------------- */ - -MODULE_AUTHOR("ChenLi Tien, cltien@cmedia.com.tw"); -MODULE_DESCRIPTION("CM8x38 Audio Driver"); -MODULE_LICENSE("GPL"); - -static void __devexit cm_remove(struct pci_dev *dev) -{ - struct cm_state *s = pci_get_drvdata(dev); - - if (!s) - return; - - cm_free_gameport(s); - -#ifdef CONFIG_SOUND_CMPCI_FM - if (s->iosynth) { - /* disable FM */ - maskb(s->iobase + CODEC_CMI_MISC_CTRL + 2, ~8, 0); - } -#endif -#ifdef CONFIG_SOUND_CMPCI_MIDI - if (s->iomidi) { - unload_mpu401(&s->mpu_data); - /* disable MPU-401 */ - maskb(s->iobase + CODEC_CMI_FUNCTRL1, ~0x04, 0); - } -#endif - set_spdif_loop(s, 0); - list_del(&s->devs); - outb(0, s->iobase + CODEC_CMI_INT_HLDCLR + 2); /* disable ints */ - synchronize_irq(s->irq); - outb(0, s->iobase + CODEC_CMI_FUNCTRL0 + 2); /* disable channels */ - free_irq(s->irq, s); - - /* reset mixer */ - wrmixer(s, DSP_MIX_DATARESETIDX, 0); - - release_region(s->iobase, CM_EXTENT_CODEC); - unregister_sound_dsp(s->dev_audio); - unregister_sound_mixer(s->dev_mixer); - kfree(s); - pci_set_drvdata(dev, NULL); -} - -static struct pci_device_id id_table[] __devinitdata = { - { PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8738B, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, - { PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8738, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, - { PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338A, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, - { PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338B, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, - { 0, } -}; - -MODULE_DEVICE_TABLE(pci, id_table); - -static struct pci_driver cm_driver = { - .name = "cmpci", - .id_table = id_table, - .probe = cm_probe, - .remove = __devexit_p(cm_remove) -}; - -static int __init init_cmpci(void) -{ - printk(KERN_INFO "cmpci: version $Revision: 6.82 $ time " __TIME__ " " __DATE__ "\n"); - return pci_register_driver(&cm_driver); -} - -static void __exit cleanup_cmpci(void) -{ - printk(KERN_INFO "cmpci: unloading\n"); - pci_unregister_driver(&cm_driver); -} - -module_init(init_cmpci); -module_exit(cleanup_cmpci); |