diff options
Diffstat (limited to 'sound/oss/cs46xx.c')
| -rw-r--r-- | sound/oss/cs46xx.c | 5444 |
1 files changed, 0 insertions, 5444 deletions
diff --git a/sound/oss/cs46xx.c b/sound/oss/cs46xx.c deleted file mode 100644 index 2a1f0d9ac96..00000000000 --- a/sound/oss/cs46xx.c +++ /dev/null @@ -1,5444 +0,0 @@ -/* - * Crystal SoundFusion CS46xx driver - * - * Copyright 1998-2001 Cirrus Logic Corporation <pcaudio@crystal.cirrus.com> - * <twoller@crystal.cirrus.com> - * Copyright 1999-2000 Jaroslav Kysela <perex@suse.cz> - * Copyright 2000 Alan Cox <alan@redhat.com> - * - * The core of this code is taken from the ALSA project driver by - * Jaroslav. Please send Jaroslav the credit for the driver and - * report bugs in this port to <alan@redhat.com> - * - * 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. - * Current maintainers: - * Cirrus Logic Corporation, Thomas Woller (tw) - * <twoller@crystal.cirrus.com> - * Nils Faerber (nf) - * <nils@kernelconcepts.de> - * Thanks to David Pollard for testing. - * - * Changes: - * 20000909-nf Changed cs_read, cs_write and drain_dac - * 20001025-tw Separate Playback/Capture structs and buffers. - * Added Scatter/Gather support for Playback. - * Added Capture. - * 20001027-nf Port to kernel 2.4.0-test9, some clean-ups - * Start of powermanagement support (CS46XX_PM). - * 20001128-tw Add module parm for default buffer order. - * added DMA_GFP flag to kmalloc dma buffer allocs. - * backfill silence to eliminate stuttering on - * underruns. - * 20001201-tw add resyncing of swptr on underruns. - * 20001205-tw-nf fixed GETOSPACE ioctl() after open() - * 20010113-tw patch from Hans Grobler general cleanup. - * 20010117-tw 2.4.0 pci cleanup, wrapper code for 2.2.16-2.4.0 - * 20010118-tw basic PM support for 2.2.16+ and 2.4.0/2.4.2. - * 20010228-dh patch from David Huggins - cs_update_ptr recursion. - * 20010409-tw add hercules game theatre XP amp code. - * 20010420-tw cleanup powerdown/up code. - * 20010521-tw eliminate pops, and fixes for powerdown. - * 20010525-tw added fixes for thinkpads with powerdown logic. - * 20010723-sh patch from Horms (Simon Horman) - - * SOUND_PCM_READ_BITS returns bits as set in driver - * rather than a logical or of the possible values. - * Various ioctls handle the case where the device - * is open for reading or writing but not both better. - * - * Status: - * Playback/Capture supported from 8k-48k. - * 16Bit Signed LE & 8Bit Unsigned, with Mono or Stereo supported. - * - * APM/PM - 2.2.x APM is enabled and functioning fine. APM can also - * be enabled for 2.4.x by modifying the CS46XX_ACPI_SUPPORT macro - * definition. - * - * Hercules Game Theatre XP - the EGPIO2 pin controls the external Amp, - * so, use the drain/polarity to enable. - * hercules_egpio_disable set to 1, will force a 0 to EGPIODR. - * - * VTB Santa Cruz - the GPIO7/GPIO8 on the Secondary Codec control - * the external amplifier for the "back" speakers, since we do not - * support the secondary codec then this external amp is also not - * turned on. - */ - -#include <linux/interrupt.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/sound.h> -#include <linux/slab.h> -#include <linux/soundcard.h> -#include <linux/pci.h> -#include <linux/bitops.h> -#include <linux/init.h> -#include <linux/poll.h> -#include <linux/ac97_codec.h> -#include <linux/mutex.h> -#include <linux/mm.h> - -#include <asm/io.h> -#include <asm/dma.h> -#include <asm/uaccess.h> - -#include "cs46xxpm.h" -#include "cs46xx_wrapper-24.h" -#include "cs461x.h" - -/* MIDI buffer sizes */ -#define CS_MIDIINBUF 500 -#define CS_MIDIOUTBUF 500 - -#define ADC_RUNNING 1 -#define DAC_RUNNING 2 - -#define CS_FMT_16BIT 1 /* These are fixed in fact */ -#define CS_FMT_STEREO 2 -#define CS_FMT_MASK 3 - -#define CS_TYPE_ADC 1 -#define CS_TYPE_DAC 2 - -#define CS_TRUE 1 -#define CS_FALSE 0 - -#define CS_INC_USE_COUNT(m) (atomic_inc(m)) -#define CS_DEC_USE_COUNT(m) (atomic_dec(m)) -#define CS_DEC_AND_TEST(m) (atomic_dec_and_test(m)) -#define CS_IN_USE(m) (atomic_read(m) != 0) - -#define CS_DBGBREAKPOINT {__asm__("INT $3");} -/* - * CS461x definitions - */ - -#define CS461X_BA0_SIZE 0x2000 -#define CS461X_BA1_DATA0_SIZE 0x3000 -#define CS461X_BA1_DATA1_SIZE 0x3800 -#define CS461X_BA1_PRG_SIZE 0x7000 -#define CS461X_BA1_REG_SIZE 0x0100 - -#define GOF_PER_SEC 200 - -#define CSDEBUG_INTERFACE 1 -#define CSDEBUG 1 -/* - * Turn on/off debugging compilation by using 1/0 respectively for CSDEBUG - * - * - * CSDEBUG is usual mode is set to 1, then use the - * cs_debuglevel and cs_debugmask to turn on or off debugging. - * Debug level of 1 has been defined to be kernel errors and info - * that should be printed on any released driver. - */ -#if CSDEBUG -#define CS_DBGOUT(mask,level,x) if ((cs_debuglevel >= (level)) && ((mask) & cs_debugmask)) {x;} -#else -#define CS_DBGOUT(mask,level,x) -#endif -/* - * cs_debugmask areas - */ -#define CS_INIT 0x00000001 /* initialization and probe functions */ -#define CS_ERROR 0x00000002 /* tmp debugging bit placeholder */ -#define CS_INTERRUPT 0x00000004 /* interrupt handler (separate from all other) */ -#define CS_FUNCTION 0x00000008 /* enter/leave functions */ -#define CS_WAVE_WRITE 0x00000010 /* write information for wave */ -#define CS_WAVE_READ 0x00000020 /* read information for wave */ -#define CS_MIDI_WRITE 0x00000040 /* write information for midi */ -#define CS_MIDI_READ 0x00000080 /* read information for midi */ -#define CS_MPU401_WRITE 0x00000100 /* write information for mpu401 */ -#define CS_MPU401_READ 0x00000200 /* read information for mpu401 */ -#define CS_OPEN 0x00000400 /* all open functions in the driver */ -#define CS_RELEASE 0x00000800 /* all release functions in the driver */ -#define CS_PARMS 0x00001000 /* functional and operational parameters */ -#define CS_IOCTL 0x00002000 /* ioctl (non-mixer) */ -#define CS_PM 0x00004000 /* PM */ -#define CS_TMP 0x10000000 /* tmp debug mask bit */ - -#define CS_IOCTL_CMD_SUSPEND 0x1 // suspend -#define CS_IOCTL_CMD_RESUME 0x2 // resume - -#if CSDEBUG -static unsigned long cs_debuglevel = 1; /* levels range from 1-9 */ -module_param(cs_debuglevel, ulong, 0644); -static unsigned long cs_debugmask = CS_INIT | CS_ERROR; /* use CS_DBGOUT with various mask values */ -module_param(cs_debugmask, ulong, 0644); -#endif -static unsigned long hercules_egpio_disable; /* if non-zero set all EGPIO to 0 */ -module_param(hercules_egpio_disable, ulong, 0); -static unsigned long initdelay = 700; /* PM delay in millisecs */ -module_param(initdelay, ulong, 0); -static unsigned long powerdown = -1; /* turn on/off powerdown processing in driver */ -module_param(powerdown, ulong, 0); -#define DMABUF_DEFAULTORDER 3 -static unsigned long defaultorder = DMABUF_DEFAULTORDER; -module_param(defaultorder, ulong, 0); - -static int external_amp; -module_param(external_amp, bool, 0); -static int thinkpad; -module_param(thinkpad, bool, 0); - -/* -* set the powerdown module parm to 0 to disable all -* powerdown. also set thinkpad to 1 to disable powerdown, -* but also to enable the clkrun functionality. -*/ -static unsigned cs_powerdown = 1; -static unsigned cs_laptop_wait = 1; - -/* An instance of the 4610 channel */ -struct cs_channel -{ - int used; - int num; - void *state; -}; - -#define CS46XX_MAJOR_VERSION "1" -#define CS46XX_MINOR_VERSION "28" - -#ifdef __ia64__ -#define CS46XX_ARCH "64" //architecture key -#else -#define CS46XX_ARCH "32" //architecture key -#endif - -static struct list_head cs46xx_devs = { &cs46xx_devs, &cs46xx_devs }; - -/* magic numbers to protect our data structures */ -#define CS_CARD_MAGIC 0x43525553 /* "CRUS" */ -#define CS_STATE_MAGIC 0x4c4f4749 /* "LOGI" */ -#define NR_HW_CH 3 - -/* maxinum number of AC97 codecs connected, AC97 2.0 defined 4 */ -#define NR_AC97 2 - -static const unsigned sample_size[] = { 1, 2, 2, 4 }; -static const unsigned sample_shift[] = { 0, 1, 1, 2 }; - -/* "software" or virtual channel, an instance of opened /dev/dsp */ -struct cs_state { - unsigned int magic; - struct cs_card *card; /* Card info */ - - /* single open lock mechanism, only used for recording */ - struct mutex open_mutex; - wait_queue_head_t open_wait; - - /* file mode */ - mode_t open_mode; - - /* virtual channel number */ - int virt; - - struct dmabuf { - /* wave sample stuff */ - unsigned int rate; - unsigned char fmt, enable; - - /* hardware channel */ - struct cs_channel *channel; - int pringbuf; /* Software ring slot */ - void *pbuf; /* 4K hardware DMA buffer */ - - /* OSS buffer management stuff */ - void *rawbuf; - dma_addr_t dma_handle; - unsigned buforder; - unsigned numfrag; - unsigned fragshift; - unsigned divisor; - unsigned type; - void *tmpbuff; /* tmp buffer for sample conversions */ - dma_addr_t dmaaddr; - dma_addr_t dmaaddr_tmpbuff; - unsigned buforder_tmpbuff; /* Log base 2 of size in bytes.. */ - - /* our buffer acts like a circular ring */ - unsigned hwptr; /* where dma last started, updated by update_ptr */ - unsigned swptr; /* where driver last clear/filled, updated by read/write */ - int count; /* bytes to be comsumed or been generated by dma machine */ - unsigned total_bytes; /* total bytes dmaed by hardware */ - unsigned blocks; /* total blocks */ - - unsigned error; /* number of over/underruns */ - unsigned underrun; /* underrun pending before next write has occurred */ - wait_queue_head_t wait; /* put process on wait queue when no more space in buffer */ - - /* redundant, but makes calculations easier */ - unsigned fragsize; - unsigned dmasize; - unsigned fragsamples; - - /* OSS stuff */ - unsigned mapped:1; - unsigned ready:1; - unsigned endcleared:1; - unsigned SGok:1; - unsigned update_flag; - unsigned ossfragshift; - int ossmaxfrags; - unsigned subdivision; - } dmabuf; - /* Guard against mmap/write/read races */ - struct mutex sem; -}; - -struct cs_card { - struct cs_channel channel[2]; - unsigned int magic; - - /* We keep cs461x cards in a linked list */ - struct cs_card *next; - - /* The cs461x has a certain amount of cross channel interaction - so we use a single per card lock */ - spinlock_t lock; - - /* Keep AC97 sane */ - spinlock_t ac97_lock; - - /* mixer use count */ - atomic_t mixer_use_cnt; - - /* PCI device stuff */ - struct pci_dev *pci_dev; - struct list_head list; - - unsigned int pctl, cctl; /* Hardware DMA flag sets */ - - /* soundcore stuff */ - int dev_audio; - int dev_midi; - - /* structures for abstraction of hardware facilities, codecs, banks and channels*/ - struct ac97_codec *ac97_codec[NR_AC97]; - struct cs_state *states[2]; - - u16 ac97_features; - - int amplifier; /* Amplifier control */ - void (*amplifier_ctrl)(struct cs_card *, int); - void (*amp_init)(struct cs_card *); - - int active; /* Active clocking */ - void (*active_ctrl)(struct cs_card *, int); - - /* hardware resources */ - unsigned long ba0_addr; - unsigned long ba1_addr; - u32 irq; - - /* mappings */ - void __iomem *ba0; - union - { - struct - { - u8 __iomem *data0; - u8 __iomem *data1; - u8 __iomem *pmem; - u8 __iomem *reg; - } name; - u8 __iomem *idx[4]; - } ba1; - - /* Function support */ - struct cs_channel *(*alloc_pcm_channel)(struct cs_card *); - struct cs_channel *(*alloc_rec_pcm_channel)(struct cs_card *); - void (*free_pcm_channel)(struct cs_card *, int chan); - - /* /dev/midi stuff */ - struct { - unsigned ird, iwr, icnt; - unsigned ord, owr, ocnt; - wait_queue_head_t open_wait; - wait_queue_head_t iwait; - wait_queue_head_t owait; - spinlock_t lock; - unsigned char ibuf[CS_MIDIINBUF]; - unsigned char obuf[CS_MIDIOUTBUF]; - mode_t open_mode; - struct mutex open_mutex; - } midi; - struct cs46xx_pm pm; -}; - -static int cs_open_mixdev(struct inode *inode, struct file *file); -static int cs_release_mixdev(struct inode *inode, struct file *file); -static int cs_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg); -static int cs_hardware_init(struct cs_card *card); -static int cs46xx_powerup(struct cs_card *card, unsigned int type); -static int cs461x_powerdown(struct cs_card *card, unsigned int type, int suspendflag); -static void cs461x_clear_serial_FIFOs(struct cs_card *card, int type); -#ifdef CONFIG_PM -static int cs46xx_suspend_tbl(struct pci_dev *pcidev, pm_message_t state); -static int cs46xx_resume_tbl(struct pci_dev *pcidev); -#endif - -#if CSDEBUG - -/* DEBUG ROUTINES */ - -#define SOUND_MIXER_CS_GETDBGLEVEL _SIOWR('M',120, int) -#define SOUND_MIXER_CS_SETDBGLEVEL _SIOWR('M',121, int) -#define SOUND_MIXER_CS_GETDBGMASK _SIOWR('M',122, int) -#define SOUND_MIXER_CS_SETDBGMASK _SIOWR('M',123, int) -#define SOUND_MIXER_CS_APM _SIOWR('M',124, int) - -static void printioctl(unsigned int x) -{ - unsigned int i; - unsigned char vidx; - /* these values are incorrect for the ac97 driver, fix. - * Index of mixtable1[] member is Device ID - * and must be <= SOUND_MIXER_NRDEVICES. - * Value of array member is index into s->mix.vol[] - */ - static const unsigned char mixtable1[SOUND_MIXER_NRDEVICES] = { - [SOUND_MIXER_PCM] = 1, /* voice */ - [SOUND_MIXER_LINE1] = 2, /* AUX */ - [SOUND_MIXER_CD] = 3, /* CD */ - [SOUND_MIXER_LINE] = 4, /* Line */ - [SOUND_MIXER_SYNTH] = 5, /* FM */ - [SOUND_MIXER_MIC] = 6, /* Mic */ - [SOUND_MIXER_SPEAKER] = 7, /* Speaker */ - [SOUND_MIXER_RECLEV] = 8, /* Recording level */ - [SOUND_MIXER_VOLUME] = 9 /* Master Volume */ - }; - - switch (x) { - case SOUND_MIXER_CS_GETDBGMASK: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CS_GETDBGMASK: ") ); - break; - case SOUND_MIXER_CS_GETDBGLEVEL: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CS_GETDBGLEVEL: ") ); - break; - case SOUND_MIXER_CS_SETDBGMASK: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CS_SETDBGMASK: ") ); - break; - case SOUND_MIXER_CS_SETDBGLEVEL: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CS_SETDBGLEVEL: ") ); - break; - case OSS_GETVERSION: - CS_DBGOUT(CS_IOCTL, 4, printk("OSS_GETVERSION: ") ); - break; - case SNDCTL_DSP_SYNC: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SYNC: ") ); - break; - case SNDCTL_DSP_SETDUPLEX: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETDUPLEX: ") ); - break; - case SNDCTL_DSP_GETCAPS: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETCAPS: ") ); - break; - case SNDCTL_DSP_RESET: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_RESET: ") ); - break; - case SNDCTL_DSP_SPEED: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SPEED: ") ); - break; - case SNDCTL_DSP_STEREO: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_STEREO: ") ); - break; - case SNDCTL_DSP_CHANNELS: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_CHANNELS: ") ); - break; - case SNDCTL_DSP_GETFMTS: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETFMTS: ") ); - break; - case SNDCTL_DSP_SETFMT: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETFMT: ") ); - break; - case SNDCTL_DSP_POST: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_POST: ") ); - break; - case SNDCTL_DSP_GETTRIGGER: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETTRIGGER: ") ); - break; - case SNDCTL_DSP_SETTRIGGER: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETTRIGGER: ") ); - break; - case SNDCTL_DSP_GETOSPACE: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETOSPACE: ") ); - break; - case SNDCTL_DSP_GETISPACE: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETISPACE: ") ); - break; - case SNDCTL_DSP_NONBLOCK: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_NONBLOCK: ") ); - break; - case SNDCTL_DSP_GETODELAY: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETODELAY: ") ); - break; - case SNDCTL_DSP_GETIPTR: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETIPTR: ") ); - break; - case SNDCTL_DSP_GETOPTR: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETOPTR: ") ); - break; - case SNDCTL_DSP_GETBLKSIZE: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETBLKSIZE: ") ); - break; - case SNDCTL_DSP_SETFRAGMENT: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETFRAGMENT: ") ); - break; - case SNDCTL_DSP_SUBDIVIDE: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SUBDIVIDE: ") ); - break; - case SOUND_PCM_READ_RATE: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_READ_RATE: ") ); - break; - case SOUND_PCM_READ_CHANNELS: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_READ_CHANNELS: ") ); - break; - case SOUND_PCM_READ_BITS: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_READ_BITS: ") ); - break; - case SOUND_PCM_WRITE_FILTER: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_WRITE_FILTER: ") ); - break; - case SNDCTL_DSP_SETSYNCRO: - CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETSYNCRO: ") ); - break; - case SOUND_PCM_READ_FILTER: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_READ_FILTER: ") ); - break; - case SOUND_MIXER_PRIVATE1: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE1: ") ); - break; - case SOUND_MIXER_PRIVATE2: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE2: ") ); - break; - case SOUND_MIXER_PRIVATE3: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE3: ") ); - break; - case SOUND_MIXER_PRIVATE4: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE4: ") ); - break; - case SOUND_MIXER_PRIVATE5: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE5: ") ); - break; - case SOUND_MIXER_INFO: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_INFO: ") ); - break; - case SOUND_OLD_MIXER_INFO: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_OLD_MIXER_INFO: ") ); - break; - default: - switch (_IOC_NR(x)) { - case SOUND_MIXER_VOLUME: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_VOLUME: ") ); - break; - case SOUND_MIXER_SPEAKER: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_SPEAKER: ") ); - break; - case SOUND_MIXER_RECLEV: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_RECLEV: ") ); - break; - case SOUND_MIXER_MIC: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_MIC: ") ); - break; - case SOUND_MIXER_SYNTH: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_SYNTH: ") ); - break; - case SOUND_MIXER_RECSRC: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_RECSRC: ") ); - break; - case SOUND_MIXER_DEVMASK: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_DEVMASK: ") ); - break; - case SOUND_MIXER_RECMASK: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_RECMASK: ") ); - break; - case SOUND_MIXER_STEREODEVS: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_STEREODEVS: ") ); - break; - case SOUND_MIXER_CAPS: - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CAPS:") ); - break; - default: - i = _IOC_NR(x); - if (i >= SOUND_MIXER_NRDEVICES || !(vidx = mixtable1[i])) { - CS_DBGOUT(CS_IOCTL, 4, printk("UNKNOWN IOCTL: 0x%.8x NR=%d ",x,i) ); - } else { - CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_IOCTL AC9x: 0x%.8x NR=%d ", - x,i)); - } - break; - } - } - CS_DBGOUT(CS_IOCTL, 4, printk("command = 0x%x IOC_NR=%d\n",x, _IOC_NR(x)) ); -} -#endif - -/* - * common I/O routines - */ - -static void cs461x_poke(struct cs_card *codec, unsigned long reg, unsigned int val) -{ - writel(val, codec->ba1.idx[(reg >> 16) & 3] + (reg & 0xffff)); -} - -static unsigned int cs461x_peek(struct cs_card *codec, unsigned long reg) -{ - return readl(codec->ba1.idx[(reg >> 16) & 3] + (reg & 0xffff)); -} - -static void cs461x_pokeBA0(struct cs_card *codec, unsigned long reg, unsigned int val) -{ - writel(val, codec->ba0 + reg); -} - -static unsigned int cs461x_peekBA0(struct cs_card *codec, unsigned long reg) -{ - return readl(codec->ba0 + reg); -} - - -static u16 cs_ac97_get(struct ac97_codec *dev, u8 reg); -static void cs_ac97_set(struct ac97_codec *dev, u8 reg, u16 data); - -static struct cs_channel *cs_alloc_pcm_channel(struct cs_card *card) -{ - if (card->channel[1].used == 1) - return NULL; - card->channel[1].used = 1; - card->channel[1].num = 1; - return &card->channel[1]; -} - -static struct cs_channel *cs_alloc_rec_pcm_channel(struct cs_card *card) -{ - if (card->channel[0].used == 1) - return NULL; - card->channel[0].used = 1; - card->channel[0].num = 0; - return &card->channel[0]; -} - -static void cs_free_pcm_channel(struct cs_card *card, int channel) -{ - card->channel[channel].state = NULL; - card->channel[channel].used = 0; -} - -/* - * setup a divisor value to help with conversion from - * 16bit Stereo, down to 8bit stereo/mono or 16bit mono. - * assign a divisor of 1 if using 16bit Stereo as that is - * the only format that the static image will capture. - */ -static void cs_set_divisor(struct dmabuf *dmabuf) -{ - if (dmabuf->type == CS_TYPE_DAC) - dmabuf->divisor = 1; - else if (!(dmabuf->fmt & CS_FMT_STEREO) && - (dmabuf->fmt & CS_FMT_16BIT)) - dmabuf->divisor = 2; - else if ((dmabuf->fmt & CS_FMT_STEREO) && - !(dmabuf->fmt & CS_FMT_16BIT)) - dmabuf->divisor = 2; - else if (!(dmabuf->fmt & CS_FMT_STEREO) && - !(dmabuf->fmt & CS_FMT_16BIT)) - dmabuf->divisor = 4; - else - dmabuf->divisor = 1; - - CS_DBGOUT(CS_PARMS | CS_FUNCTION, 8, printk( - "cs46xx: cs_set_divisor()- %s %d\n", - (dmabuf->type == CS_TYPE_ADC) ? "ADC" : "DAC", - dmabuf->divisor) ); -} - -/* -* mute some of the more prevalent registers to avoid popping. -*/ -static void cs_mute(struct cs_card *card, int state) -{ - struct ac97_codec *dev = card->ac97_codec[0]; - - CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_INFO "cs46xx: cs_mute()+ %s\n", - (state == CS_TRUE) ? "Muting" : "UnMuting")); - - if (state == CS_TRUE) { - /* - * fix pops when powering up on thinkpads - */ - card->pm.u32AC97_master_volume = (u32)cs_ac97_get( dev, - (u8)BA0_AC97_MASTER_VOLUME); - card->pm.u32AC97_headphone_volume = (u32)cs_ac97_get(dev, - (u8)BA0_AC97_HEADPHONE_VOLUME); - card->pm.u32AC97_master_volume_mono = (u32)cs_ac97_get(dev, - (u8)BA0_AC97_MASTER_VOLUME_MONO); - card->pm.u32AC97_pcm_out_volume = (u32)cs_ac97_get(dev, - (u8)BA0_AC97_PCM_OUT_VOLUME); - - cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME, 0x8000); - cs_ac97_set(dev, (u8)BA0_AC97_HEADPHONE_VOLUME, 0x8000); - cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME_MONO, 0x8000); - cs_ac97_set(dev, (u8)BA0_AC97_PCM_OUT_VOLUME, 0x8000); - } else { - cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME, card->pm.u32AC97_master_volume); - cs_ac97_set(dev, (u8)BA0_AC97_HEADPHONE_VOLUME, card->pm.u32AC97_headphone_volume); - cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME_MONO, card->pm.u32AC97_master_volume_mono); - cs_ac97_set(dev, (u8)BA0_AC97_PCM_OUT_VOLUME, card->pm.u32AC97_pcm_out_volume); - } - CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_INFO "cs46xx: cs_mute()-\n")); -} - -/* set playback sample rate */ -static unsigned int cs_set_dac_rate(struct cs_state * state, unsigned int rate) -{ - struct dmabuf *dmabuf = &state->dmabuf; - unsigned int tmp1, tmp2; - unsigned int phiIncr; - unsigned int correctionPerGOF, correctionPerSec; - unsigned long flags; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_set_dac_rate()+ %d\n",rate) ); - - /* - * Compute the values used to drive the actual sample rate conversion. - * The following formulas are being computed, using inline assembly - * since we need to use 64 bit arithmetic to compute the values: - * - * phiIncr = floor((Fs,in * 2^26) / Fs,out) - * correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) / - * GOF_PER_SEC) - * ulCorrectionPerSec = Fs,in * 2^26 - Fs,out * phiIncr -M - * GOF_PER_SEC * correctionPerGOF - * - * i.e. - * - * phiIncr:other = dividend:remainder((Fs,in * 2^26) / Fs,out) - * correctionPerGOF:correctionPerSec = - * dividend:remainder(ulOther / GOF_PER_SEC) - */ - tmp1 = rate << 16; - phiIncr = tmp1 / 48000; - tmp1 -= phiIncr * 48000; - tmp1 <<= 10; - phiIncr <<= 10; - tmp2 = tmp1 / 48000; - phiIncr += tmp2; - tmp1 -= tmp2 * 48000; - correctionPerGOF = tmp1 / GOF_PER_SEC; - tmp1 -= correctionPerGOF * GOF_PER_SEC; - correctionPerSec = tmp1; - - /* - * Fill in the SampleRateConverter control block. - */ - spin_lock_irqsave(&state->card->lock, flags); - cs461x_poke(state->card, BA1_PSRC, - ((correctionPerSec << 16) & 0xFFFF0000) | (correctionPerGOF & 0xFFFF)); - cs461x_poke(state->card, BA1_PPI, phiIncr); - spin_unlock_irqrestore(&state->card->lock, flags); - dmabuf->rate = rate; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_set_dac_rate()- %d\n",rate) ); - return rate; -} - -/* set recording sample rate */ -static unsigned int cs_set_adc_rate(struct cs_state *state, unsigned int rate) -{ - struct dmabuf *dmabuf = &state->dmabuf; - struct cs_card *card = state->card; - unsigned int phiIncr, coeffIncr, tmp1, tmp2; - unsigned int correctionPerGOF, correctionPerSec, initialDelay; - unsigned int frameGroupLength, cnt; - unsigned long flags; - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_set_adc_rate()+ %d\n",rate) ); - - /* - * We can only decimate by up to a factor of 1/9th the hardware rate. - * Correct the value if an attempt is made to stray outside that limit. - */ - if ((rate * 9) < 48000) - rate = 48000 / 9; - - /* - * We cannot capture at at rate greater than the Input Rate (48000). - * Return an error if an attempt is made to stray outside that limit. - */ - if (rate > 48000) - rate = 48000; - - /* - * Compute the values used to drive the actual sample rate conversion. - * The following formulas are being computed, using inline assembly - * since we need to use 64 bit arithmetic to compute the values: - * - * coeffIncr = -floor((Fs,out * 2^23) / Fs,in) - * phiIncr = floor((Fs,in * 2^26) / Fs,out) - * correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) / - * GOF_PER_SEC) - * correctionPerSec = Fs,in * 2^26 - Fs,out * phiIncr - - * GOF_PER_SEC * correctionPerGOF - * initialDelay = ceil((24 * Fs,in) / Fs,out) - * - * i.e. - * - * coeffIncr = neg(dividend((Fs,out * 2^23) / Fs,in)) - * phiIncr:ulOther = dividend:remainder((Fs,in * 2^26) / Fs,out) - * correctionPerGOF:correctionPerSec = - * dividend:remainder(ulOther / GOF_PER_SEC) - * initialDelay = dividend(((24 * Fs,in) + Fs,out - 1) / Fs,out) - */ - tmp1 = rate << 16; - coeffIncr = tmp1 / 48000; - tmp1 -= coeffIncr * 48000; - tmp1 <<= 7; - coeffIncr <<= 7; - coeffIncr += tmp1 / 48000; - coeffIncr ^= 0xFFFFFFFF; - coeffIncr++; - tmp1 = 48000 << 16; - phiIncr = tmp1 / rate; - tmp1 -= phiIncr * rate; - tmp1 <<= 10; - phiIncr <<= 10; - tmp2 = tmp1 / rate; - phiIncr += tmp2; - tmp1 -= tmp2 * rate; - correctionPerGOF = tmp1 / GOF_PER_SEC; - tmp1 -= correctionPerGOF * GOF_PER_SEC; - correctionPerSec = tmp1; - initialDelay = ((48000 * 24) + rate - 1) / rate; - - /* - * Fill in the VariDecimate control block. - */ - spin_lock_irqsave(&card->lock, flags); - cs461x_poke(card, BA1_CSRC, - ((correctionPerSec << 16) & 0xFFFF0000) | (correctionPerGOF & 0xFFFF)); - cs461x_poke(card, BA1_CCI, coeffIncr); - cs461x_poke(card, BA1_CD, - (((BA1_VARIDEC_BUF_1 + (initialDelay << 2)) << 16) & 0xFFFF0000) | 0x80); - cs461x_poke(card, BA1_CPI, phiIncr); - spin_unlock_irqrestore(&card->lock, flags); - - /* - * Figure out the frame group length for the write back task. Basically, - * this is just the factors of 24000 (2^6*3*5^3) that are not present in - * the output sample rate. - */ - frameGroupLength = 1; - for (cnt = 2; cnt <= 64; cnt *= 2) { - if (((rate / cnt) * cnt) != rate) - frameGroupLength *= 2; - } - if (((rate / 3) * 3) != rate) { - frameGroupLength *= 3; - } - for (cnt = 5; cnt <= 125; cnt *= 5) { - if (((rate / cnt) * cnt) != rate) - frameGroupLength *= 5; - } - - /* - * Fill in the WriteBack control block. - */ - spin_lock_irqsave(&card->lock, flags); - cs461x_poke(card, BA1_CFG1, frameGroupLength); - cs461x_poke(card, BA1_CFG2, (0x00800000 | frameGroupLength)); - cs461x_poke(card, BA1_CCST, 0x0000FFFF); - cs461x_poke(card, BA1_CSPB, ((65536 * rate) / 24000)); - cs461x_poke(card, (BA1_CSPB + 4), 0x0000FFFF); - spin_unlock_irqrestore(&card->lock, flags); - dmabuf->rate = rate; - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_set_adc_rate()- %d\n",rate) ); - return rate; -} - -/* prepare channel attributes for playback */ -static void cs_play_setup(struct cs_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - struct cs_card *card = state->card; - unsigned int tmp, Count, playFormat; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_play_setup()+\n") ); - cs461x_poke(card, BA1_PVOL, 0x80008000); - if (!dmabuf->SGok) - cs461x_poke(card, BA1_PBA, virt_to_bus(dmabuf->pbuf)); - - Count = 4; - playFormat=cs461x_peek(card, BA1_PFIE); - if ((dmabuf->fmt & CS_FMT_STEREO)) { - playFormat &= ~DMA_RQ_C2_AC_MONO_TO_STEREO; - Count *= 2; - } else - playFormat |= DMA_RQ_C2_AC_MONO_TO_STEREO; - - if ((dmabuf->fmt & CS_FMT_16BIT)) { - playFormat &= ~(DMA_RQ_C2_AC_8_TO_16_BIT - | DMA_RQ_C2_AC_SIGNED_CONVERT); - Count *= 2; - } else - playFormat |= (DMA_RQ_C2_AC_8_TO_16_BIT - | DMA_RQ_C2_AC_SIGNED_CONVERT); - - cs461x_poke(card, BA1_PFIE, playFormat); - - tmp = cs461x_peek(card, BA1_PDTC); - tmp &= 0xfffffe00; - cs461x_poke(card, BA1_PDTC, tmp | --Count); - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_play_setup()-\n") ); -} - -static struct InitStruct -{ - u32 off; - u32 val; -} InitArray[] = { {0x00000040, 0x3fc0000f}, - {0x0000004c, 0x04800000}, - - {0x000000b3, 0x00000780}, - {0x000000b7, 0x00000000}, - {0x000000bc, 0x07800000}, - - {0x000000cd, 0x00800000}, - }; - -/* - * "SetCaptureSPValues()" -- Initialize record task values before each - * capture startup. - */ -static void SetCaptureSPValues(struct cs_card *card) -{ - unsigned i, offset; - CS_DBGOUT(CS_FUNCTION, 8, printk("cs46xx: SetCaptureSPValues()+\n") ); - for (i = 0; i < sizeof(InitArray) / sizeof(struct InitStruct); i++) { - offset = InitArray[i].off*4; /* 8bit to 32bit offset value */ - cs461x_poke(card, offset, InitArray[i].val ); - } - CS_DBGOUT(CS_FUNCTION, 8, printk("cs46xx: SetCaptureSPValues()-\n") ); -} - -/* prepare channel attributes for recording */ -static void cs_rec_setup(struct cs_state *state) -{ - struct cs_card *card = state->card; - struct dmabuf *dmabuf = &state->dmabuf; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_rec_setup()+\n")); - SetCaptureSPValues(card); - - /* - * set the attenuation to 0dB - */ - cs461x_poke(card, BA1_CVOL, 0x80008000); - - /* - * set the physical address of the capture buffer into the SP - */ - cs461x_poke(card, BA1_CBA, virt_to_bus(dmabuf->rawbuf)); - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_rec_setup()-\n") ); -} - - -/* get current playback/recording dma buffer pointer (byte offset from LBA), - called with spinlock held! */ - -static inline unsigned cs_get_dma_addr(struct cs_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - u32 offset; - - if ( (!(dmabuf->enable & DAC_RUNNING)) && - (!(dmabuf->enable & ADC_RUNNING) ) ) - { - CS_DBGOUT(CS_ERROR, 2, printk( - "cs46xx: ERROR cs_get_dma_addr(): not enabled \n") ); - return 0; - } - - /* - * granularity is byte boundary, good part. - */ - if (dmabuf->enable & DAC_RUNNING) - offset = cs461x_peek(state->card, BA1_PBA); - else /* ADC_RUNNING must be set */ - offset = cs461x_peek(state->card, BA1_CBA); - - CS_DBGOUT(CS_PARMS | CS_FUNCTION, 9, - printk("cs46xx: cs_get_dma_addr() %d\n",offset) ); - offset = (u32)bus_to_virt((unsigned long)offset) - (u32)dmabuf->rawbuf; - CS_DBGOUT(CS_PARMS | CS_FUNCTION, 8, - printk("cs46xx: cs_get_dma_addr()- %d\n",offset) ); - return offset; -} - -static void resync_dma_ptrs(struct cs_state *state) -{ - struct dmabuf *dmabuf; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: resync_dma_ptrs()+ \n") ); - if (state) { - dmabuf = &state->dmabuf; - dmabuf->hwptr=dmabuf->swptr = 0; - dmabuf->pringbuf = 0; - } - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: resync_dma_ptrs()- \n") ); -} - -/* Stop recording (lock held) */ -static inline void __stop_adc(struct cs_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - struct cs_card *card = state->card; - unsigned int tmp; - - dmabuf->enable &= ~ADC_RUNNING; - - tmp = cs461x_peek(card, BA1_CCTL); - tmp &= 0xFFFF0000; - cs461x_poke(card, BA1_CCTL, tmp ); -} - -static void stop_adc(struct cs_state *state) -{ - unsigned long flags; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: stop_adc()+ \n") ); - spin_lock_irqsave(&state->card->lock, flags); - __stop_adc(state); - spin_unlock_irqrestore(&state->card->lock, flags); - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: stop_adc()- \n") ); -} - -static void start_adc(struct cs_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - struct cs_card *card = state->card; - unsigned long flags; - unsigned int tmp; - - spin_lock_irqsave(&card->lock, flags); - if (!(dmabuf->enable & ADC_RUNNING) && - ((dmabuf->mapped || dmabuf->count < (signed)dmabuf->dmasize) - && dmabuf->ready) && - ((card->pm.flags & CS46XX_PM_IDLE) || - (card->pm.flags & CS46XX_PM_RESUMED)) ) - { - dmabuf->enable |= ADC_RUNNING; - cs_set_divisor(dmabuf); - tmp = cs461x_peek(card, BA1_CCTL); - tmp &= 0xFFFF0000; - tmp |= card->cctl; - CS_DBGOUT(CS_FUNCTION, 2, printk( - "cs46xx: start_adc() poke 0x%x \n",tmp) ); - cs461x_poke(card, BA1_CCTL, tmp); - } - spin_unlock_irqrestore(&card->lock, flags); -} - -/* stop playback (lock held) */ -static inline void __stop_dac(struct cs_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - struct cs_card *card = state->card; - unsigned int tmp; - - dmabuf->enable &= ~DAC_RUNNING; - - tmp=cs461x_peek(card, BA1_PCTL); |