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); - tmp&=0xFFFF; - cs461x_poke(card, BA1_PCTL, tmp); -} - -static void stop_dac(struct cs_state *state) -{ - unsigned long flags; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: stop_dac()+ \n") ); - spin_lock_irqsave(&state->card->lock, flags); - __stop_dac(state); - spin_unlock_irqrestore(&state->card->lock, flags); - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: stop_dac()- \n") ); -} - -static void start_dac(struct cs_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - struct cs_card *card = state->card; - unsigned long flags; - int tmp; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: start_dac()+ \n") ); - spin_lock_irqsave(&card->lock, flags); - if (!(dmabuf->enable & DAC_RUNNING) && - ((dmabuf->mapped || dmabuf->count > 0) && dmabuf->ready) && - ((card->pm.flags & CS46XX_PM_IDLE) || - (card->pm.flags & CS46XX_PM_RESUMED)) ) - { - dmabuf->enable |= DAC_RUNNING; - tmp = cs461x_peek(card, BA1_PCTL); - tmp &= 0xFFFF; - tmp |= card->pctl; - CS_DBGOUT(CS_PARMS, 6, printk( - "cs46xx: start_dac() poke card=%p tmp=0x%.08x addr=%p \n", - card, (unsigned)tmp, - card->ba1.idx[(BA1_PCTL >> 16) & 3]+(BA1_PCTL&0xffff) ) ); - cs461x_poke(card, BA1_PCTL, tmp); - } - spin_unlock_irqrestore(&card->lock, flags); - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: start_dac()- \n") ); -} - -#define DMABUF_MINORDER 1 - -/* - * allocate DMA buffer, playback and recording buffers are separate. - */ -static int alloc_dmabuf(struct cs_state *state) -{ - - struct cs_card *card=state->card; - struct dmabuf *dmabuf = &state->dmabuf; - void *rawbuf = NULL; - void *tmpbuff = NULL; - int order; - struct page *map, *mapend; - unsigned long df; - - dmabuf->ready = dmabuf->mapped = 0; - dmabuf->SGok = 0; -/* -* check for order within limits, but do not overwrite value. -*/ - if ((defaultorder > 1) && (defaultorder < 12)) - df = defaultorder; - else - df = 2; - - for (order = df; order >= DMABUF_MINORDER; order--) - if ((rawbuf = (void *)pci_alloc_consistent( - card->pci_dev, PAGE_SIZE << order, &dmabuf->dmaaddr))) - break; - if (!rawbuf) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR - "cs46xx: alloc_dmabuf(): unable to allocate rawbuf\n")); - return -ENOMEM; - } - dmabuf->buforder = order; - dmabuf->rawbuf = rawbuf; - // Now mark the pages as reserved; otherwise the - // remap_pfn_range() in cs46xx_mmap doesn't work. - // 1. get index to last page in mem_map array for rawbuf. - mapend = virt_to_page(dmabuf->rawbuf + - (PAGE_SIZE << dmabuf->buforder) - 1); - - // 2. mark each physical page in range as 'reserved'. - for (map = virt_to_page(dmabuf->rawbuf); map <= mapend; map++) - cs4x_mem_map_reserve(map); - - CS_DBGOUT(CS_PARMS, 9, printk("cs46xx: alloc_dmabuf(): allocated %ld (order = %d) bytes at %p\n", - PAGE_SIZE << order, order, rawbuf) ); - -/* -* only allocate the conversion buffer for the ADC -*/ - if (dmabuf->type == CS_TYPE_DAC) { - dmabuf->tmpbuff = NULL; - dmabuf->buforder_tmpbuff = 0; - return 0; - } -/* - * now the temp buffer for 16/8 conversions - */ - - tmpbuff = (void *) pci_alloc_consistent( - card->pci_dev, PAGE_SIZE << order, &dmabuf->dmaaddr_tmpbuff); - - if (!tmpbuff) - return -ENOMEM; - CS_DBGOUT(CS_PARMS, 9, printk("cs46xx: allocated %ld (order = %d) bytes at %p\n", - PAGE_SIZE << order, order, tmpbuff) ); - - dmabuf->tmpbuff = tmpbuff; - dmabuf->buforder_tmpbuff = order; - - // Now mark the pages as reserved; otherwise the - // remap_pfn_range() in cs46xx_mmap doesn't work. - // 1. get index to last page in mem_map array for rawbuf. - mapend = virt_to_page(dmabuf->tmpbuff + - (PAGE_SIZE << dmabuf->buforder_tmpbuff) - 1); - - // 2. mark each physical page in range as 'reserved'. - for (map = virt_to_page(dmabuf->tmpbuff); map <= mapend; map++) - cs4x_mem_map_reserve(map); - return 0; -} - -/* free DMA buffer */ -static void dealloc_dmabuf(struct cs_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - struct page *map, *mapend; - - if (dmabuf->rawbuf) { - // Undo prog_dmabuf()'s marking the pages as reserved - mapend = virt_to_page(dmabuf->rawbuf + - (PAGE_SIZE << dmabuf->buforder) - 1); - for (map = virt_to_page(dmabuf->rawbuf); map <= mapend; map++) - cs4x_mem_map_unreserve(map); - free_dmabuf(state->card, dmabuf); - } - - if (dmabuf->tmpbuff) { - // Undo prog_dmabuf()'s marking the pages as reserved - mapend = virt_to_page(dmabuf->tmpbuff + - (PAGE_SIZE << dmabuf->buforder_tmpbuff) - 1); - for (map = virt_to_page(dmabuf->tmpbuff); map <= mapend; map++) - cs4x_mem_map_unreserve(map); - free_dmabuf2(state->card, dmabuf); - } - - dmabuf->rawbuf = NULL; - dmabuf->tmpbuff = NULL; - dmabuf->mapped = dmabuf->ready = 0; - dmabuf->SGok = 0; -} - -static int __prog_dmabuf(struct cs_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - unsigned long flags; - unsigned long allocated_pages, allocated_bytes; - unsigned long tmp1, tmp2, fmt=0; - unsigned long *ptmp = (unsigned long *) dmabuf->pbuf; - unsigned long SGarray[9], nSGpages=0; - int ret; - - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf()+ \n")); -/* - * check for CAPTURE and use only non-sg for initial release - */ - if (dmabuf->type == CS_TYPE_ADC) { - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf() ADC\n")); - /* - * add in non-sg support for capture. - */ - spin_lock_irqsave(&state->card->lock, flags); - /* add code to reset the rawbuf memory. TRW */ - resync_dma_ptrs(state); - dmabuf->total_bytes = dmabuf->blocks = 0; - dmabuf->count = dmabuf->error = dmabuf->underrun = 0; - - dmabuf->SGok = 0; - - spin_unlock_irqrestore(&state->card->lock, flags); - - /* allocate DMA buffer if not allocated yet */ - if (!dmabuf->rawbuf || !dmabuf->tmpbuff) - if ((ret = alloc_dmabuf(state))) - return ret; - /* - * static image only supports 16Bit signed, stereo - hard code fmt - */ - fmt = CS_FMT_16BIT | CS_FMT_STEREO; - - dmabuf->numfrag = 2; - dmabuf->fragsize = 2048; - dmabuf->fragsamples = 2048 >> sample_shift[fmt]; - dmabuf->dmasize = 4096; - dmabuf->fragshift = 11; - - memset(dmabuf->rawbuf, (fmt & CS_FMT_16BIT) ? 0 : 0x80, - dmabuf->dmasize); - memset(dmabuf->tmpbuff, (fmt & CS_FMT_16BIT) ? 0 : 0x80, - PAGE_SIZE<<dmabuf->buforder_tmpbuff); - - /* - * Now set up the ring - */ - - spin_lock_irqsave(&state->card->lock, flags); - cs_rec_setup(state); - spin_unlock_irqrestore(&state->card->lock, flags); - - /* set the ready flag for the dma buffer */ - dmabuf->ready = 1; - - CS_DBGOUT(CS_PARMS, 4, printk( - "cs46xx: prog_dmabuf(): CAPTURE rate=%d fmt=0x%x numfrag=%d " - "fragsize=%d dmasize=%d\n", - dmabuf->rate, dmabuf->fmt, dmabuf->numfrag, - dmabuf->fragsize, dmabuf->dmasize) ); - - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf()- 0 \n")); - return 0; - } else if (dmabuf->type == CS_TYPE_DAC) { - /* - * Must be DAC - */ - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf() DAC\n")); - spin_lock_irqsave(&state->card->lock, flags); - resync_dma_ptrs(state); - dmabuf->total_bytes = dmabuf->blocks = 0; - dmabuf->count = dmabuf->error = dmabuf->underrun = 0; - - dmabuf->SGok = 0; - - spin_unlock_irqrestore(&state->card->lock, flags); - - /* allocate DMA buffer if not allocated yet */ - if (!dmabuf->rawbuf) - if ((ret = alloc_dmabuf(state))) - return ret; - - allocated_pages = 1 << dmabuf->buforder; - allocated_bytes = allocated_pages*PAGE_SIZE; - - if (allocated_pages < 2) { - CS_DBGOUT(CS_FUNCTION, 4, printk( - "cs46xx: prog_dmabuf() Error: allocated_pages too small (%d)\n", - (unsigned)allocated_pages)); - return -ENOMEM; - } - - /* Use all the pages allocated, fragsize 4k. */ - /* Use 'pbuf' for S/G page map table. */ - dmabuf->SGok = 1; /* Use S/G. */ - - nSGpages = allocated_bytes/4096; /* S/G pages always 4k. */ - - /* Set up S/G variables. */ - *ptmp = virt_to_bus(dmabuf->rawbuf); - *(ptmp + 1) = 0x00000008; - for (tmp1 = 1; tmp1 < nSGpages; tmp1++) { - *(ptmp + 2 * tmp1) = virt_to_bus((dmabuf->rawbuf) + 4096 * tmp1); - if (tmp1 == nSGpages - 1) - tmp2 = 0xbfff0000; - else - tmp2 = 0x80000000 + 8 * (tmp1 + 1); - *(ptmp + 2 * tmp1 + 1) = tmp2; - } - SGarray[0] = 0x82c0200d; - SGarray[1] = 0xffff0000; - SGarray[2] = *ptmp; - SGarray[3] = 0x00010600; - SGarray[4] = *(ptmp+2); - SGarray[5] = 0x80000010; - SGarray[6] = *ptmp; - SGarray[7] = *(ptmp+2); - SGarray[8] = (virt_to_bus(dmabuf->pbuf) & 0xffff000) | 0x10; - - if (dmabuf->SGok) { - dmabuf->numfrag = nSGpages; - dmabuf->fragsize = 4096; - dmabuf->fragsamples = 4096 >> sample_shift[dmabuf->fmt]; - dmabuf->fragshift = 12; - dmabuf->dmasize = dmabuf->numfrag * 4096; - } else { - SGarray[0] = 0xf2c0000f; - SGarray[1] = 0x00000200; - SGarray[2] = 0; - SGarray[3] = 0x00010600; - SGarray[4]=SGarray[5]=SGarray[6]=SGarray[7]=SGarray[8] = 0; - dmabuf->numfrag = 2; - dmabuf->fragsize = 2048; - dmabuf->fragsamples = 2048 >> sample_shift[dmabuf->fmt]; - dmabuf->dmasize = 4096; - dmabuf->fragshift = 11; - } - for (tmp1 = 0; tmp1 < sizeof(SGarray) / 4; tmp1++) - cs461x_poke(state->card, BA1_PDTC+tmp1 * 4, SGarray[tmp1]); - - memset(dmabuf->rawbuf, (dmabuf->fmt & CS_FMT_16BIT) ? 0 : 0x80, - dmabuf->dmasize); - - /* - * Now set up the ring - */ - - spin_lock_irqsave(&state->card->lock, flags); - cs_play_setup(state); - spin_unlock_irqrestore(&state->card->lock, flags); - - /* set the ready flag for the dma buffer */ - dmabuf->ready = 1; - - CS_DBGOUT(CS_PARMS, 4, printk( - "cs46xx: prog_dmabuf(): PLAYBACK rate=%d fmt=0x%x numfrag=%d " - "fragsize=%d dmasize=%d\n", - dmabuf->rate, dmabuf->fmt, dmabuf->numfrag, - dmabuf->fragsize, dmabuf->dmasize) ); - - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf()- \n")); - return 0; - } else { - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf()- Invalid Type %d\n", - dmabuf->type)); - } - return 1; -} - -static int prog_dmabuf(struct cs_state *state) -{ - int ret; - - mutex_lock(&state->sem); - ret = __prog_dmabuf(state); - mutex_unlock(&state->sem); - - return ret; -} - -static void cs_clear_tail(struct cs_state *state) -{ -} - -static int drain_dac(struct cs_state *state, int nonblock) -{ - DECLARE_WAITQUEUE(wait, current); - struct dmabuf *dmabuf = &state->dmabuf; - struct cs_card *card=state->card; - unsigned long flags; - unsigned long tmo; - int count; - - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: drain_dac()+ \n")); - if (dmabuf->mapped || !dmabuf->ready) - { - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: drain_dac()- 0, not ready\n")); - return 0; - } - - add_wait_queue(&dmabuf->wait, &wait); - for (;;) { - /* It seems that we have to set the current state to TASK_INTERRUPTIBLE - every time to make the process really go to sleep */ - current->state = TASK_INTERRUPTIBLE; - - spin_lock_irqsave(&state->card->lock, flags); - count = dmabuf->count; - spin_unlock_irqrestore(&state->card->lock, flags); - - if (count <= 0) - break; - - if (signal_pending(current)) - break; - - if (nonblock) { - remove_wait_queue(&dmabuf->wait, &wait); - current->state = TASK_RUNNING; - return -EBUSY; - } - - tmo = (dmabuf->dmasize * HZ) / dmabuf->rate; - tmo >>= sample_shift[dmabuf->fmt]; - tmo += (2048*HZ)/dmabuf->rate; - - if (!schedule_timeout(tmo ? tmo : 1) && tmo){ - printk(KERN_ERR "cs46xx: drain_dac, dma timeout? %d\n", count); - break; - } - } - remove_wait_queue(&dmabuf->wait, &wait); - current->state = TASK_RUNNING; - if (signal_pending(current)) { - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: drain_dac()- -ERESTARTSYS\n")); - /* - * set to silence and let that clear the fifos. - */ - cs461x_clear_serial_FIFOs(card, CS_TYPE_DAC); - return -ERESTARTSYS; - } - - CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: drain_dac()- 0\n")); - return 0; -} - - -/* update buffer manangement pointers, especially, dmabuf->count and dmabuf->hwptr */ -static void cs_update_ptr(struct cs_card *card, int wake) -{ - struct cs_state *state; - struct dmabuf *dmabuf; - unsigned hwptr; - int diff; - - /* error handling and process wake up for ADC */ - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - if (dmabuf->enable & ADC_RUNNING) { - /* update hardware pointer */ - hwptr = cs_get_dma_addr(state); - - diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize; - CS_DBGOUT(CS_PARMS, 9, printk( - "cs46xx: cs_update_ptr()+ ADC hwptr=%d diff=%d\n", - hwptr,diff) ); - dmabuf->hwptr = hwptr; - dmabuf->total_bytes += diff; - dmabuf->count += diff; - if (dmabuf->count > dmabuf->dmasize) - dmabuf->count = dmabuf->dmasize; - - if (dmabuf->mapped) { - if (wake && dmabuf->count >= (signed)dmabuf->fragsize) - wake_up(&dmabuf->wait); - } else { - if (wake && dmabuf->count > 0) - wake_up(&dmabuf->wait); - } - } - } - -/* - * Now the DAC - */ - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - /* error handling and process wake up for DAC */ - if (dmabuf->enable & DAC_RUNNING) { - /* update hardware pointer */ - hwptr = cs_get_dma_addr(state); - - diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize; - CS_DBGOUT(CS_PARMS, 9, printk( - "cs46xx: cs_update_ptr()+ DAC hwptr=%d diff=%d\n", - hwptr,diff) ); - dmabuf->hwptr = hwptr; - dmabuf->total_bytes += diff; - if (dmabuf->mapped) { - dmabuf->count += diff; - if (wake && dmabuf->count >= (signed)dmabuf->fragsize) - wake_up(&dmabuf->wait); - /* - * other drivers use fragsize, but don't see any sense - * in that, since dmasize is the buffer asked for - * via mmap. - */ - if (dmabuf->count > dmabuf->dmasize) - dmabuf->count &= dmabuf->dmasize-1; - } else { - dmabuf->count -= diff; - /* - * backfill with silence and clear out the last - * "diff" number of bytes. - */ - if (hwptr >= diff) { - memset(dmabuf->rawbuf + hwptr - diff, - (dmabuf->fmt & CS_FMT_16BIT) ? 0 : 0x80, diff); - } else { - memset(dmabuf->rawbuf, - (dmabuf->fmt & CS_FMT_16BIT) ? 0 : 0x80, - (unsigned)hwptr); - memset((char *)dmabuf->rawbuf + - dmabuf->dmasize + hwptr - diff, - (dmabuf->fmt & CS_FMT_16BIT) ? 0 : 0x80, - diff - hwptr); - } - - if (dmabuf->count < 0 || dmabuf->count > dmabuf->dmasize) { - CS_DBGOUT(CS_ERROR, 2, printk(KERN_INFO - "cs46xx: ERROR DAC count<0 or count > dmasize (%d)\n", - dmabuf->count)); - /* - * buffer underrun or buffer overrun, reset the - * count of bytes written back to 0. - */ - if (dmabuf->count < 0) - dmabuf->underrun = 1; - dmabuf->count = 0; - dmabuf->error++; - } - if (wake && dmabuf->count < (signed)dmabuf->dmasize / 2) - wake_up(&dmabuf->wait); - } - } - } -} - - -/* hold spinlock for the following! */ -static void cs_handle_midi(struct cs_card *card) -{ - unsigned char ch; - int wake; - unsigned temp1; - - wake = 0; - while (!(cs461x_peekBA0(card, BA0_MIDSR) & MIDSR_RBE)) { - ch = cs461x_peekBA0(card, BA0_MIDRP); - if (card->midi.icnt < CS_MIDIINBUF) { - card->midi.ibuf[card->midi.iwr] = ch; - card->midi.iwr = (card->midi.iwr + 1) % CS_MIDIINBUF; - card->midi.icnt++; - } - wake = 1; - } - if (wake) - wake_up(&card->midi.iwait); - wake = 0; - while (!(cs461x_peekBA0(card, BA0_MIDSR) & MIDSR_TBF) && card->midi.ocnt > 0) { - temp1 = ( card->midi.obuf[card->midi.ord] ) & 0x000000ff; - cs461x_pokeBA0(card, BA0_MIDWP,temp1); - card->midi.ord = (card->midi.ord + 1) % CS_MIDIOUTBUF; - card->midi.ocnt--; - if (card->midi.ocnt < CS_MIDIOUTBUF-16) - wake = 1; - } - if (wake) - wake_up(&card->midi.owait); -} - -static irqreturn_t cs_interrupt(int irq, void *dev_id) -{ - struct cs_card *card = (struct cs_card *)dev_id; - /* Single channel card */ - struct cs_state *recstate = card->channel[0].state; - struct cs_state *playstate = card->channel[1].state; - u32 status; - - CS_DBGOUT(CS_INTERRUPT, 9, printk("cs46xx: cs_interrupt()+ \n")); - - spin_lock(&card->lock); - - status = cs461x_peekBA0(card, BA0_HISR); - - if ((status & 0x7fffffff) == 0) { - cs461x_pokeBA0(card, BA0_HICR, HICR_CHGM|HICR_IEV); - spin_unlock(&card->lock); - return IRQ_HANDLED; /* Might be IRQ_NONE.. */ - } - - /* - * check for playback or capture interrupt only - */ - if (((status & HISR_VC0) && playstate && playstate->dmabuf.ready) || - (((status & HISR_VC1) && recstate && recstate->dmabuf.ready))) { - CS_DBGOUT(CS_INTERRUPT, 8, printk( - "cs46xx: cs_interrupt() interrupt bit(s) set (0x%x)\n",status)); - cs_update_ptr(card, CS_TRUE); - } - - if (status & HISR_MIDI) - cs_handle_midi(card); - - /* clear 'em */ - cs461x_pokeBA0(card, BA0_HICR, HICR_CHGM|HICR_IEV); - spin_unlock(&card->lock); - CS_DBGOUT(CS_INTERRUPT, 9, printk("cs46xx: cs_interrupt()- \n")); - return IRQ_HANDLED; -} - - -/**********************************************************************/ - -static ssize_t cs_midi_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) -{ - struct cs_card *card = file->private_data; - ssize_t ret; - unsigned long flags; - unsigned ptr; - int cnt; - - if (!access_ok(VERIFY_WRITE, buffer, count)) - return -EFAULT; - ret = 0; - while (count > 0) { - spin_lock_irqsave(&card->lock, flags); - ptr = card->midi.ird; - cnt = CS_MIDIINBUF - ptr; - if (card->midi.icnt < cnt) - cnt = card->midi.icnt; - spin_unlock_irqrestore(&card->lock, flags); - if (cnt > count) - cnt = count; - if (cnt <= 0) { - if (file->f_flags & O_NONBLOCK) - return ret ? ret : -EAGAIN; - interruptible_sleep_on(&card->midi.iwait); - if (signal_pending(current)) - return ret ? ret : -ERESTARTSYS; - continue; - } - if (copy_to_user(buffer, card->midi.ibuf + ptr, cnt)) - return ret ? ret : -EFAULT; - ptr = (ptr + cnt) % CS_MIDIINBUF; - spin_lock_irqsave(&card->lock, flags); - card->midi.ird = ptr; - card->midi.icnt -= cnt; - spin_unlock_irqrestore(&card->lock, flags); - count -= cnt; - buffer += cnt; - ret += cnt; - } - return ret; -} - - -static ssize_t cs_midi_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) -{ - struct cs_card *card = file->private_data; - ssize_t ret; - unsigned long flags; - unsigned ptr; - int cnt; - - if (!access_ok(VERIFY_READ, buffer, count)) - return -EFAULT; - ret = 0; - while (count > 0) { - spin_lock_irqsave(&card->lock, flags); - ptr = card->midi.owr; - cnt = CS_MIDIOUTBUF - ptr; - if (card->midi.ocnt + cnt > CS_MIDIOUTBUF) - cnt = CS_MIDIOUTBUF - card->midi.ocnt; - if (cnt <= 0) - cs_handle_midi(card); - spin_unlock_irqrestore(&card->lock, flags); - if (cnt > count) - cnt = count; - if (cnt <= 0) { - if (file->f_flags & O_NONBLOCK) - return ret ? ret : -EAGAIN; - interruptible_sleep_on(&card->midi.owait); - if (signal_pending(current)) - return ret ? ret : -ERESTARTSYS; - continue; - } - if (copy_from_user(card->midi.obuf + ptr, buffer, cnt)) - return ret ? ret : -EFAULT; - ptr = (ptr + cnt) % CS_MIDIOUTBUF; - spin_lock_irqsave(&card->lock, flags); - card->midi.owr = ptr; - card->midi.ocnt += cnt; - spin_unlock_irqrestore(&card->lock, flags); - count -= cnt; - buffer += cnt; - ret += cnt; - spin_lock_irqsave(&card->lock, flags); - cs_handle_midi(card); - spin_unlock_irqrestore(&card->lock, flags); - } - return ret; -} - - -static unsigned int cs_midi_poll(struct file *file, struct poll_table_struct *wait) -{ - struct cs_card *card = file->private_data; - unsigned long flags; - unsigned int mask = 0; - - if (file->f_flags & FMODE_WRITE) - poll_wait(file, &card->midi.owait, wait); - if (file->f_flags & FMODE_READ) - poll_wait(file, &card->midi.iwait, wait); - spin_lock_irqsave(&card->lock, flags); - if (file->f_flags & FMODE_READ) { - if (card->midi.icnt > 0) - mask |= POLLIN | POLLRDNORM; - } - if (file->f_flags & FMODE_WRITE) { - if (card->midi.ocnt < CS_MIDIOUTBUF) - mask |= POLLOUT | POLLWRNORM; - } - spin_unlock_irqrestore(&card->lock, flags); - return mask; -} - - -static int cs_midi_open(struct inode *inode, struct file *file) -{ - unsigned int minor = iminor(inode); - struct cs_card *card = NULL; - unsigned long flags; - struct list_head *entry; - - list_for_each(entry, &cs46xx_devs) { - card = list_entry(entry, struct cs_card, list); - if (card->dev_midi == minor) - break; - } - - if (entry == &cs46xx_devs) - return -ENODEV; - if (!card) { - CS_DBGOUT(CS_FUNCTION | CS_OPEN, 2, printk(KERN_INFO - "cs46xx: cs46xx_midi_open(): Error - unable to find card struct\n")); - return -ENODEV; - } - - file->private_data = card; - /* wait for device to become free */ - mutex_lock(&card->midi.open_mutex); - while (card->midi.open_mode & file->f_mode) { - if (file->f_flags & O_NONBLOCK) { - mutex_unlock(&card->midi.open_mutex); - return -EBUSY; - } - mutex_unlock(&card->midi.open_mutex); - interruptible_sleep_on(&card->midi.open_wait); - if (signal_pending(current)) - return -ERESTARTSYS; - mutex_lock(&card->midi.open_mutex); - } - spin_lock_irqsave(&card->midi.lock, flags); - if (!(card->midi.open_mode & (FMODE_READ | FMODE_WRITE))) { - card->midi.ird = card->midi.iwr = card->midi.icnt = 0; - card->midi.ord = card->midi.owr = card->midi.ocnt = 0; - card->midi.ird = card->midi.iwr = card->midi.icnt = 0; - cs461x_pokeBA0(card, BA0_MIDCR, 0x0000000f); /* Enable xmit, rcv. */ - cs461x_pokeBA0(card, BA0_HICR, HICR_IEV | HICR_CHGM); /* Enable interrupts */ - } - if (file->f_mode & FMODE_READ) - card->midi.ird = card->midi.iwr = card->midi.icnt = 0; - if (file->f_mode & FMODE_WRITE) - card->midi.ord = card->midi.owr = card->midi.ocnt = 0; - spin_unlock_irqrestore(&card->midi.lock, flags); - card->midi.open_mode |= (file->f_mode & (FMODE_READ | FMODE_WRITE)); - mutex_unlock(&card->midi.open_mutex); - return 0; -} - - -static int cs_midi_release(struct inode *inode, struct file *file) -{ - struct cs_card *card = file->private_data; - DECLARE_WAITQUEUE(wait, current); - unsigned long flags; - unsigned count, tmo; - - if (file->f_mode & FMODE_WRITE) { - current->state = TASK_INTERRUPTIBLE; - add_wait_queue(&card->midi.owait, &wait); - for (;;) { - spin_lock_irqsave(&card->midi.lock, flags); - count = card->midi.ocnt; - spin_unlock_irqrestore(&card->midi.lock, flags); - if (count <= 0) - break; - if (signal_pending(current)) - break; - if (file->f_flags & O_NONBLOCK) - break; - tmo = (count * HZ) / 3100; - if (!schedule_timeout(tmo ? : 1) && tmo) - printk(KERN_DEBUG "cs46xx: midi timed out??\n"); - } - remove_wait_queue(&card->midi.owait, &wait); - current->state = TASK_RUNNING; - } - mutex_lock(&card->midi.open_mutex); - card->midi.open_mode &= (~(file->f_mode & (FMODE_READ | FMODE_WRITE))); - mutex_unlock(&card->midi.open_mutex); - wake_up(&card->midi.open_wait); - return 0; -} - -/* - * Midi file operations struct. - */ -static /*const*/ struct file_operations cs_midi_fops = { - CS_OWNER CS_THIS_MODULE - .llseek = no_llseek, - .read = cs_midi_read, - .write = cs_midi_write, - .poll = cs_midi_poll, - .open = cs_midi_open, - .release = cs_midi_release, -}; - -/* - * - * CopySamples copies 16-bit stereo signed samples from the source to the - * destination, possibly converting down to unsigned 8-bit and/or mono. - * count specifies the number of output bytes to write. - * - * Arguments: - * - * dst - Pointer to a destination buffer. - * src - Pointer to a source buffer - * count - The number of bytes to copy into the destination buffer. - * fmt - CS_FMT_16BIT and/or CS_FMT_STEREO bits - * dmabuf - pointer to the dma buffer structure - * - * NOTES: only call this routine if the output desired is not 16 Signed Stereo - * - * - */ -static void CopySamples(char *dst, char *src, int count, unsigned fmt, - struct dmabuf *dmabuf) -{ - s32 s32AudioSample; - s16 *psSrc = (s16 *)src; - s16 *psDst = (s16 *)dst; - u8 *pucDst = (u8 *)dst; - - CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_INFO "cs46xx: CopySamples()+ ") ); - CS_DBGOUT(CS_WAVE_READ, 8, printk(KERN_INFO - " dst=%p src=%p count=%d fmt=0x%x\n", - dst,src,count,fmt) ); - - /* - * See if the data should be output as 8-bit unsigned stereo. - */ - if ((fmt & CS_FMT_STEREO) && !(fmt & CS_FMT_16BIT)) { - /* - * Convert each 16-bit signed stereo sample to 8-bit unsigned - * stereo using rounding. - */ - psSrc = (s16 *)src; - count = count / 2; - while (count--) - *(pucDst++) = (u8)(((s16)(*psSrc++) + (s16)0x8000) >> 8); - } - /* - * See if the data should be output at 8-bit unsigned mono. - */ - else if (!(fmt & CS_FMT_STEREO) && !(fmt & CS_FMT_16BIT)) { - /* - * Convert each 16-bit signed stereo sample to 8-bit unsigned - * mono using averaging and rounding. - */ - psSrc = (s16 *)src; - count = count / 2; - while (count--) { - s32AudioSample = ((*psSrc) + (*(psSrc + 1))) / 2 + (s32)0x80; - if (s32AudioSample > 0x7fff) - s32AudioSample = 0x7fff; - *(pucDst++) = (u8)(((s16)s32AudioSample + (s16)0x8000) >> 8); - psSrc += 2; - } - } - /* - * See if the data should be output at 16-bit signed mono. - */ - else if (!(fmt & CS_FMT_STEREO) && (fmt & CS_FMT_16BIT)) { - /* - * Convert each 16-bit signed stereo sample to 16-bit signed - * mono using averaging. - */ - psSrc = (s16 *)src; - count = count / 2; - while (count--) { - *(psDst++) = (s16)((*psSrc) + (*(psSrc + 1))) / 2; - psSrc += 2; - } - } -} - -/* - * cs_copy_to_user() - * replacement for the standard copy_to_user, to allow for a conversion from - * 16 bit to 8 bit and from stereo to mono, if the record conversion is active. - * The current CS46xx/CS4280 static image only records in 16bit unsigned Stereo, - * so we convert from any of the other format combinations. - */ -static unsigned cs_copy_to_user( - struct cs_state *s, - void __user *dest, - void *hwsrc, - unsigned cnt, - unsigned *copied) -{ - struct dmabuf *dmabuf = &s->dmabuf; - void *src = hwsrc; /* default to the standard destination buffer addr */ - - CS_DBGOUT(CS_FUNCTION, 6, printk(KERN_INFO - "cs_copy_to_user()+ fmt=0x%x cnt=%d dest=%p\n", - dmabuf->fmt,(unsigned)cnt,dest) ); - - if (cnt > dmabuf->dmasize) - cnt = dmabuf->dmasize; - if (!cnt) { - *copied = 0; - return 0; - } - if (dmabuf->divisor != 1) { - if (!dmabuf->tmpbuff) { - *copied = cnt / dmabuf->divisor; - return 0; - } - - CopySamples((char *)dmabuf->tmpbuff, (char *)hwsrc, cnt, - dmabuf->fmt, dmabuf); - src = dmabuf->tmpbuff; - cnt = cnt/dmabuf->divisor; - } - if (copy_to_user(dest, src, cnt)) { - CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_ERR - "cs46xx: cs_copy_to_user()- fault dest=%p src=%p cnt=%d\n", - dest,src,cnt)); - *copied = 0; - return -EFAULT; - } - *copied = cnt; - CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_INFO - "cs46xx: cs_copy_to_user()- copied bytes is %d \n",cnt)); - return 0; -} - -/* in this loop, dmabuf.count signifies the amount of data that is waiting to be copied to - the user's buffer. it is filled by the dma machine and drained by this loop. */ -static ssize_t cs_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) -{ - struct cs_card *card = file->private_data; - struct cs_state *state; - DECLARE_WAITQUEUE(wait, current); - struct dmabuf *dmabuf; - ssize_t ret = 0; - unsigned long flags; - unsigned swptr; - int cnt; - unsigned copied = 0; - - CS_DBGOUT(CS_WAVE_READ | CS_FUNCTION, 4, - printk("cs46xx: cs_read()+ %zd\n",count) ); - state = card->states[0]; - if (!state) - return -ENODEV; - dmabuf = &state->dmabuf; - - if (dmabuf->mapped) - return -ENXIO; - if (!access_ok(VERIFY_WRITE, buffer, count)) - return -EFAULT; - - mutex_lock(&state->sem); - if (!dmabuf->ready && (ret = __prog_dmabuf(state))) - goto out2; - - add_wait_queue(&state->dmabuf.wait, &wait); - while (count > 0) { - while (!(card->pm.flags & CS46XX_PM_IDLE)) { - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out; - } - } - spin_lock_irqsave(&state->card->lock, flags); - swptr = dmabuf->swptr; - cnt = dmabuf->dmasize - swptr; - if (dmabuf->count < cnt) - cnt = dmabuf->count; - if (cnt <= 0) - __set_current_state(TASK_INTERRUPTIBLE); - spin_unlock_irqrestore(&state->card->lock, flags); - - if (cnt > (count * dmabuf->divisor)) - cnt = count * dmabuf->divisor; - if (cnt <= 0) { - /* buffer is empty, start the dma machine and wait for data to be - recorded */ - start_adc(state); - if (file->f_flags & O_NONBLOCK) { - if (!ret) - ret = -EAGAIN; - goto out; - } - mutex_unlock(&state->sem); - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out; - } - mutex_lock(&state->sem); - if (dmabuf->mapped) { - if (!ret) - ret = -ENXIO; - goto out; - } - continue; - } - - CS_DBGOUT(CS_WAVE_READ, 2, printk(KERN_INFO - "_read() copy_to cnt=%d count=%zd ", cnt,count) ); - CS_DBGOUT(CS_WAVE_READ, 8, printk(KERN_INFO - " .dmasize=%d .count=%d buffer=%p ret=%zd\n", - dmabuf->dmasize,dmabuf->count,buffer,ret)); - - if (cs_copy_to_user(state, buffer, - (char *)dmabuf->rawbuf + swptr, cnt, &copied)) { - if (!ret) - ret = -EFAULT; - goto out; - } - swptr = (swptr + cnt) % dmabuf->dmasize; - spin_lock_irqsave(&card->lock, flags); - dmabuf->swptr = swptr; - dmabuf->count -= cnt; - spin_unlock_irqrestore(&card->lock, flags); - count -= copied; - buffer += copied; - ret += copied; - start_adc(state); - } -out: - remove_wait_queue(&state->dmabuf.wait, &wait); -out2: - mutex_unlock(&state->sem); - set_current_state(TASK_RUNNING); - CS_DBGOUT(CS_WAVE_READ | CS_FUNCTION, 4, - printk("cs46xx: cs_read()- %zd\n",ret) ); - return ret; -} - -/* in this loop, dmabuf.count signifies the amount of data that is waiting to be dma to - the soundcard. it is drained by the dma machine and filled by this loop. */ -static ssize_t cs_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) -{ - struct cs_card *card = file->private_data; - struct cs_state *state; - DECLARE_WAITQUEUE(wait, current); - struct dmabuf *dmabuf; - ssize_t ret; - unsigned long flags; - unsigned swptr; - int cnt; - - CS_DBGOUT(CS_WAVE_WRITE | CS_FUNCTION, 4, - printk("cs46xx: cs_write called, count = %zd\n", count) ); - state = card->states[1]; - if (!state) - return -ENODEV; - if (!access_ok(VERIFY_READ, buffer, count)) - return -EFAULT; - dmabuf = &state->dmabuf; - - mutex_lock(&state->sem); - if (dmabuf->mapped) { - ret = -ENXIO; - goto out; - } - - if (!dmabuf->ready && (ret = __prog_dmabuf(state))) - goto out; - add_wait_queue(&state->dmabuf.wait, &wait); - ret = 0; -/* -* Start the loop to read from the user's buffer and write to the dma buffer. -* check for PM events and underrun/overrun in the loop. -*/ - while (count > 0) { - while (!(card->pm.flags & CS46XX_PM_IDLE)) { - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out; - } - } - spin_lock_irqsave(&state->card->lock, flags); - if (dmabuf->count < 0) { - /* buffer underrun, we are recovering from sleep_on_timeout, - resync hwptr and swptr */ - dmabuf->count = 0; - dmabuf->swptr = dmabuf->hwptr; - } - if (dmabuf->underrun) { - dmabuf->underrun = 0; - dmabuf->hwptr = cs_get_dma_addr(state); - dmabuf->swptr = dmabuf->hwptr; - } - - swptr = dmabuf->swptr; - cnt = dmabuf->dmasize - swptr; - if (dmabuf->count + cnt > dmabuf->dmasize) - cnt = dmabuf->dmasize - dmabuf->count; - if (cnt <= 0) - __set_current_state(TASK_INTERRUPTIBLE); - spin_unlock_irqrestore(&state->card->lock, flags); - - if (cnt > count) - cnt = count; - if (cnt <= 0) { - /* buffer is full, start the dma machine and wait for data to be - played */ - start_dac(state); - if (file->f_flags & O_NONBLOCK) { - if (!ret) - ret = -EAGAIN; - goto out; - } - mutex_unlock(&state->sem); - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out; - } - mutex_lock(&state->sem); - if (dmabuf->mapped) { - if (!ret) - ret = -ENXIO; - goto out; - } - continue; - } - if (copy_from_user(dmabuf->rawbuf + swptr, buffer, cnt)) { - if (!ret) - ret = -EFAULT; - goto out; - } - spin_lock_irqsave(&state->card->lock, flags); - swptr = (swptr + cnt) % dmabuf->dmasize; - dmabuf->swptr = swptr; - dmabuf->count += cnt; - if (dmabuf->count > dmabuf->dmasize) { - CS_DBGOUT(CS_WAVE_WRITE | CS_ERROR, 2, printk( - "cs46xx: cs_write() d->count > dmasize - resetting\n")); - dmabuf->count = dmabuf->dmasize; - } - dmabuf->endcleared = 0; - spin_unlock_irqrestore(&state->card->lock, flags); - - count -= cnt; - buffer += cnt; - ret += cnt; - start_dac(state); - } -out: - mutex_unlock(&state->sem); - remove_wait_queue(&state->dmabuf.wait, &wait); - set_current_state(TASK_RUNNING); - - CS_DBGOUT(CS_WAVE_WRITE | CS_FUNCTION, 2, - printk("cs46xx: cs_write()- ret=%zd\n", ret)); - return ret; -} - -static unsigned int cs_poll(struct file *file, struct poll_table_struct *wait) -{ - struct cs_card *card = file->private_data; - struct dmabuf *dmabuf; - struct cs_state *state; - unsigned long flags; - unsigned int mask = 0; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_poll()+ \n")); - if (!(file->f_mode & (FMODE_WRITE | FMODE_READ))) { - return -EINVAL; - } - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - poll_wait(file, &dmabuf->wait, wait); - } - } - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - poll_wait(file, &dmabuf->wait, wait); - } - } - - spin_lock_irqsave(&card->lock, flags); - cs_update_ptr(card, CS_FALSE); - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - if (dmabuf->count >= (signed)dmabuf->fragsize) - mask |= POLLIN | POLLRDNORM; - } - } - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - if (dmabuf->mapped) { - if (dmabuf->count >= (signed)dmabuf->fragsize) - mask |= POLLOUT | POLLWRNORM; - } else { - if ((signed)dmabuf->dmasize >= dmabuf->count - + (signed)dmabuf->fragsize) - mask |= POLLOUT | POLLWRNORM; - } - } - } - spin_unlock_irqrestore(&card->lock, flags); - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_poll()- (0x%x) \n", - mask)); - return mask; -} - -/* - * We let users mmap the ring buffer. Its not the real DMA buffer but - * that side of the code is hidden in the IRQ handling. We do a software - * emulation of DMA from a 64K or so buffer into a 2K FIFO. - * (the hardware probably deserves a moan here but Crystal send me nice - * toys ;)). - */ - -static int cs_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct cs_card *card = file->private_data; - struct cs_state *state; - struct dmabuf *dmabuf; - int ret = 0; - unsigned long size; - - CS_DBGOUT(CS_FUNCTION | CS_PARMS, 2, printk("cs46xx: cs_mmap()+ file=%p %s %s\n", - file, vma->vm_flags & VM_WRITE ? "VM_WRITE" : "", - vma->vm_flags & VM_READ ? "VM_READ" : "") ); - - if (vma->vm_flags & VM_WRITE) { - state = card->states[1]; - if (state) { - CS_DBGOUT(CS_OPEN, 2, printk( - "cs46xx: cs_mmap() VM_WRITE - state TRUE prog_dmabuf DAC\n") ); - if ((ret = prog_dmabuf(state)) != 0) - return ret; - } - } else if (vma->vm_flags & VM_READ) { - state = card->states[0]; - if (state) { - CS_DBGOUT(CS_OPEN, 2, printk( - "cs46xx: cs_mmap() VM_READ - state TRUE prog_dmabuf ADC\n") ); - if ((ret = prog_dmabuf(state)) != 0) - return ret; - } - } else { - CS_DBGOUT(CS_ERROR, 2, printk( - "cs46xx: cs_mmap() return -EINVAL\n") ); - return -EINVAL; - } - -/* - * For now ONLY support playback, but seems like the only way to use - * mmap() is to open an FD with RDWR, just read or just write access - * does not function, get an error back from the kernel. - * Also, QuakeIII opens with RDWR! So, there must be something - * to needing read/write access mapping. So, allow read/write but - * use the DAC only. - */ - state = card->states[1]; - if (!state) { - ret = -EINVAL; - goto out; - } - - mutex_lock(&state->sem); - dmabuf = &state->dmabuf; - if (cs4x_pgoff(vma) != 0) { - ret = -EINVAL; - goto out; - } - size = vma->vm_end - vma->vm_start; - - CS_DBGOUT(CS_PARMS, 2, printk("cs46xx: cs_mmap(): size=%d\n",(unsigned)size) ); - - if (size > (PAGE_SIZE << dmabuf->buforder)) { - ret = -EINVAL; - goto out; - } - if (remap_pfn_range(vma, vma->vm_start, - virt_to_phys(dmabuf->rawbuf) >> PAGE_SHIFT, - size, vma->vm_page_prot)) { - ret = -EAGAIN; - goto out; - } - dmabuf->mapped = 1; - - CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_mmap()-\n") ); -out: - mutex_unlock(&state->sem); - return ret; -} - -static int cs_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - struct cs_card *card = file->private_data; - struct cs_state *state; - struct dmabuf *dmabuf = NULL; - unsigned long flags; - audio_buf_info abinfo; - count_info cinfo; - int val, valsave, ret; - int mapped = 0; - void __user *argp = (void __user *)arg; - int __user *p = argp; - - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - mapped = (file->f_mode & FMODE_READ) && dmabuf->mapped; - } - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - mapped |= (file->f_mode & FMODE_WRITE) && dmabuf->mapped; - } - -#if CSDEBUG - printioctl(cmd); -#endif - - switch (cmd) { - case OSS_GETVERSION: - return put_user(SOUND_VERSION, p); - case SNDCTL_DSP_RESET: - /* FIXME: spin_lock ? */ - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - stop_dac(state); - synchronize_irq(card->irq); - dmabuf->ready = 0; - resync_dma_ptrs(state); - dmabuf->swptr = dmabuf->hwptr = 0; - dmabuf->count = dmabuf->total_bytes = 0; - dmabuf->blocks = 0; - dmabuf->SGok = 0; - } - } - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - stop_adc(state); - synchronize_irq(card->irq); - resync_dma_ptrs(state); - dmabuf->ready = 0; - dmabuf->swptr = dmabuf->hwptr = 0; - dmabuf->count = dmabuf->total_bytes = 0; - dmabuf->blocks = 0; - dmabuf->SGok = 0; - } - } - CS_DBGOUT(CS_IOCTL, 2, printk("cs46xx: DSP_RESET()-\n") ); - return 0; - case SNDCTL_DSP_SYNC: - if (file->f_mode & FMODE_WRITE) - return drain_dac(state, file->f_flags & O_NONBLOCK); - return 0; - case SNDCTL_DSP_SPEED: /* set sample rate */ - if (get_user(val, p)) - return -EFAULT; - if (val >= 0) { - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - stop_adc(state); - dmabuf->ready = 0; - dmabuf->SGok = 0; - cs_set_adc_rate(state, val); - cs_set_divisor(dmabuf); - } - } - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - stop_dac(state); - dmabuf->ready = 0; - dmabuf->SGok = 0; - cs_set_dac_rate(state, val); - cs_set_divisor(dmabuf); - } - } - CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk( - "cs46xx: cs_ioctl() DSP_SPEED %s %s %d\n", - file->f_mode & FMODE_WRITE ? "DAC" : "", - file->f_mode & FMODE_READ ? "ADC" : "", - dmabuf->rate ) ); - return put_user(dmabuf->rate, p); - } - return put_user(0, p); - case SNDCTL_DSP_STEREO: /* set stereo or mono channel */ - if (get_user(val, p)) - return -EFAULT; - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - stop_dac(state); - dmabuf->ready = 0; - dmabuf->SGok = 0; - if (val) - dmabuf->fmt |= CS_FMT_STEREO; - else - dmabuf->fmt &= ~CS_FMT_STEREO; - cs_set_divisor(dmabuf); - CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk( - "cs46xx: DSP_STEREO() DAC %s\n", - (dmabuf->fmt & CS_FMT_STEREO) ? - "STEREO":"MONO") ); - } - } - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - stop_adc(state); - dmabuf->ready = 0; - dmabuf->SGok = 0; - if (val) - dmabuf->fmt |= CS_FMT_STEREO; - else - dmabuf->fmt &= ~CS_FMT_STEREO; - cs_set_divisor(dmabuf); - CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk( - "cs46xx: DSP_STEREO() ADC %s\n", - (dmabuf->fmt & CS_FMT_STEREO) ? - "STEREO":"MONO") ); - } - } - return 0; - case SNDCTL_DSP_GETBLKSIZE: - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - if ((val = prog_dmabuf(state))) - return val; - return put_user(dmabuf->fragsize, p); - } - } - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - if ((val = prog_dmabuf(state))) - return val; - return put_user(dmabuf->fragsize/dmabuf->divisor, - p); - } - } - return put_user(0, p); - case SNDCTL_DSP_GETFMTS: /* Returns a mask of supported sample format*/ - return put_user(AFMT_S16_LE | AFMT_U8, p); - case SNDCTL_DSP_SETFMT: /* Select sample format */ - if (get_user(val, p)) - return -EFAULT; - CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk( - "cs46xx: cs_ioctl() DSP_SETFMT %s %s %s %s\n", - file->f_mode & FMODE_WRITE ? "DAC" : "", - file->f_mode & FMODE_READ ? "ADC" : "", - val == AFMT_S16_LE ? "16Bit Signed" : "", - val == AFMT_U8 ? "8Bit Unsigned" : "") ); - valsave = val; - if (val != AFMT_QUERY) { - if (val==AFMT_S16_LE || val==AFMT_U8) { - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - stop_dac(state); - dmabuf->ready = 0; - dmabuf->SGok = 0; - if (val == AFMT_S16_LE) - dmabuf->fmt |= CS_FMT_16BIT; - else - dmabuf->fmt &= ~CS_FMT_16BIT; - cs_set_divisor(dmabuf); - if ((ret = prog_dmabuf(state))) - return ret; - } - } - if (file->f_mode & FMODE_READ) { - val = valsave; - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - stop_adc(state); - dmabuf->ready = 0; - dmabuf->SGok = 0; - if (val == AFMT_S16_LE) - dmabuf->fmt |= CS_FMT_16BIT; - else - dmabuf->fmt &= ~CS_FMT_16BIT; - cs_set_divisor(dmabuf); - if ((ret = prog_dmabuf(state))) - return ret; - } - } - } else { - CS_DBGOUT(CS_IOCTL | CS_ERROR, 2, printk( - "cs46xx: DSP_SETFMT() Unsupported format (0x%x)\n", - valsave) ); - } - } else { - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) - dmabuf = &state->dmabuf; - } else if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) - dmabuf = &state->dmabuf; - } - } - if (dmabuf) { - if (dmabuf->fmt & CS_FMT_16BIT) - return put_user(AFMT_S16_LE, p); - else - return put_user(AFMT_U8, p); - } - return put_user(0, p); - case SNDCTL_DSP_CHANNELS: - if (get_user(val, p)) - return -EFAULT; - if (val != 0) { - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - stop_dac(state); - dmabuf->ready = 0; - dmabuf->SGok = 0; - if (val > 1) - dmabuf->fmt |= CS_FMT_STEREO; - else - dmabuf->fmt &= ~CS_FMT_STEREO; - cs_set_divisor(dmabuf); - if (prog_dmabuf(state)) - return 0; - } - } - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - stop_adc(state); - dmabuf->ready = 0; - dmabuf->SGok = 0; - if (val > 1) - dmabuf->fmt |= CS_FMT_STEREO; - else - dmabuf->fmt &= ~CS_FMT_STEREO; - cs_set_divisor(dmabuf); - if (prog_dmabuf(state)) - return 0; - } - } - } - return put_user((dmabuf->fmt & CS_FMT_STEREO) ? 2 : 1, - p); - case SNDCTL_DSP_POST: - /* - * There will be a longer than normal pause in the data. - * so... do nothing, because there is nothing that we can do. - */ - return 0; - case SNDCTL_DSP_SUBDIVIDE: - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - if (dmabuf->subdivision) - return -EINVAL; - if (get_user(val, p)) - return -EFAULT; - if (val != 1 && val != 2) - return -EINVAL; - dmabuf->subdivision = val; - } - } - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - if (dmabuf->subdivision) - return -EINVAL; - if (get_user(val, p)) - return -EFAULT; - if (val != 1 && val != 2) - return -EINVAL; - dmabuf->subdivision = val; - } - } - return 0; - case SNDCTL_DSP_SETFRAGMENT: - if (get_user(val, p)) - return -EFAULT; - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - dmabuf->ossfragshift = val & 0xffff; - dmabuf->ossmaxfrags = (val >> 16) & 0xffff; - } - } - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - dmabuf->ossfragshift = val & 0xffff; - dmabuf->ossmaxfrags = (val >> 16) & 0xffff; - } - } - return 0; - case SNDCTL_DSP_GETOSPACE: - if (!(file->f_mode & FMODE_WRITE)) - return -EINVAL; - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - spin_lock_irqsave(&state->card->lock, flags); - cs_update_ptr(card, CS_TRUE); - abinfo.fragsize = dmabuf->fragsize; - abinfo.fragstotal = dmabuf->numfrag; - /* - * for mmap we always have total space available - */ - if (dmabuf->mapped) - abinfo.bytes = dmabuf->dmasize; - else - abinfo.bytes = dmabuf->dmasize - dmabuf->count; - - abinfo.fragments = abinfo.bytes >> dmabuf->fragshift; - spin_unlock_irqrestore(&state->card->lock, flags); - return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; - } - return -ENODEV; - case SNDCTL_DSP_GETISPACE: - if (!(file->f_mode & FMODE_READ)) - return -EINVAL; - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - spin_lock_irqsave(&state->card->lock, flags); - cs_update_ptr(card, CS_TRUE); - abinfo.fragsize = dmabuf->fragsize/dmabuf->divisor; - abinfo.bytes = dmabuf->count/dmabuf->divisor; - abinfo.fragstotal = dmabuf->numfrag; - abinfo.fragments = abinfo.bytes >> dmabuf->fragshift; - spin_unlock_irqrestore(&state->card->lock, flags); - return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; - } - return -ENODEV; - case SNDCTL_DSP_NONBLOCK: - file->f_flags |= O_NONBLOCK; - return 0; - case SNDCTL_DSP_GETCAPS: - return put_user(DSP_CAP_REALTIME|DSP_CAP_TRIGGER|DSP_CAP_MMAP, - p); - case SNDCTL_DSP_GETTRIGGER: - val = 0; - CS_DBGOUT(CS_IOCTL, 2, printk("cs46xx: DSP_GETTRIGGER()+\n") ); - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - if (dmabuf->enable & DAC_RUNNING) - val |= PCM_ENABLE_INPUT; - } - } - if (file->f_mode & FMODE_READ) { - if (state) { - state = card->states[0]; - dmabuf = &state->dmabuf; - if (dmabuf->enable & ADC_RUNNING) - val |= PCM_ENABLE_OUTPUT; - } - } - CS_DBGOUT(CS_IOCTL, 2, printk("cs46xx: DSP_GETTRIGGER()- val=0x%x\n",val) ); - return put_user(val, p); - case SNDCTL_DSP_SETTRIGGER: - if (get_user(val, p)) - return -EFAULT; - if (file->f_mode & FMODE_READ) { - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - if (val & PCM_ENABLE_INPUT) { - if (!dmabuf->ready && (ret = prog_dmabuf(state))) - return ret; - start_adc(state); - } else - stop_adc(state); - } - } - if (file->f_mode & FMODE_WRITE) { - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - if (val & PCM_ENABLE_OUTPUT) { - if (!dmabuf->ready && (ret = prog_dmabuf(state))) - return ret; - start_dac(state); - } else - stop_dac(state); - } - } - return 0; - case SNDCTL_DSP_GETIPTR: - if (!(file->f_mode & FMODE_READ)) - return -EINVAL; - state = card->states[0]; - if (state) { - dmabuf = &state->dmabuf; - spin_lock_irqsave(&state->card->lock, flags); - cs_update_ptr(card, CS_TRUE); - cinfo.bytes = dmabuf->total_bytes/dmabuf->divisor; - cinfo.blocks = dmabuf->count/dmabuf->divisor >> dmabuf->fragshift; - cinfo.ptr = dmabuf->hwptr/dmabuf->divisor; - spin_unlock_irqrestore(&state->card->lock, flags); - if (copy_to_user(argp, &cinfo, sizeof(cinfo))) - return -EFAULT; - return 0; - } - return -ENODEV; - case SNDCTL_DSP_GETOPTR: - if (!(file->f_mode & FMODE_WRITE)) - return -EINVAL; - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - spin_lock_irqsave(&state->card->lock, flags); - cs_update_ptr(card, CS_TRUE); - cinfo.bytes = dmabuf->total_bytes; - if (dmabuf->mapped) { - cinfo.blocks = (cinfo.bytes >> dmabuf->fragshift) - - dmabuf->blocks; - CS_DBGOUT(CS_PARMS, 8, - printk("total_bytes=%d blocks=%d dmabuf->blocks=%d\n", - cinfo.bytes,cinfo.blocks,dmabuf->blocks) ); - dmabuf->blocks = cinfo.bytes >> dmabuf->fragshift; - } else { - cinfo.blocks = dmabuf->count >> dmabuf->fragshift; - } - cinfo.ptr = dmabuf->hwptr; - - CS_DBGOUT(CS_PARMS, 4, printk( - "cs46xx: GETOPTR bytes=%d blocks=%d ptr=%d\n", - cinfo.bytes,cinfo.blocks,cinfo.ptr) ); - spin_unlock_irqrestore(&state->card->lock, flags); - if (copy_to_user(argp, &cinfo, sizeof(cinfo))) - return -EFAULT; - return 0; - } - return -ENODEV; - case SNDCTL_DSP_SETDUPLEX: - return 0; - case SNDCTL_DSP_GETODELAY: - if (!(file->f_mode & FMODE_WRITE)) - return -EINVAL; - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - spin_lock_irqsave(&state->card->lock, flags); - cs_update_ptr(card, CS_TRUE); - val = dmabuf->count; - spin_unlock_irqrestore(&state->card->lock, flags); - } else - val = 0; - return put_user(val, p); - case SOUND_PCM_READ_RATE: - if (file->f_mode & FMODE_READ) - state = card->states[0]; - else - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - return put_user(dmabuf->rate, p); - } - return put_user(0, p); - case SOUND_PCM_READ_CHANNELS: - if (file->f_mode & FMODE_READ) - state = card->states[0]; - else - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - return put_user((dmabuf->fmt & CS_FMT_STEREO) ? 2 : 1, - p); - } - return put_user(0, p); - case SOUND_PCM_READ_BITS: - if (file->f_mode & FMODE_READ) - state = card->states[0]; - else - state = card->states[1]; - if (state) { - dmabuf = &state->dmabuf; - return put_user((dmabuf->fmt & CS_FMT_16BIT) ? - AFMT_S16_LE : AFMT_U8, p); - - } - return put_user(0, p); - case SNDCTL_DSP_MAPINBUF: - case SNDCTL_DSP_MAPOUTBUF: - case SNDCTL_DSP_SETSYNCRO: - case SOUND_PCM_WRITE_FILTER: - case SOUND_PCM_READ_FILTER: - return -EINVAL; - } - return -EINVAL; -} - - -/* - * AMP control - null AMP - */ - -static void amp_none(struct cs_card *card, int change) -{ -} - -/* - * Crystal EAPD mode - */ - -static void amp_voyetra(struct cs_card *card, int change) -{ - /* Manage the EAPD bit on the Crystal 4297 - and the Analog AD1885 */ - - int old = card->amplifier; - - card->amplifier+=change; - if (card->amplifier && !old) { - /* Turn the EAPD amp on */ - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, - cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) | - 0x8000); - } else if(old && !card->amplifier) { - /* Turn the EAPD amp off */ - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, - cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - ~0x8000); - } -} - - -/* - * Game Theatre XP card - EGPIO[2] is used to enable the external amp. - */ - -static void amp_hercules(struct cs_card *card, int change) -{ - int old = card->amplifier; - if (!card) { - CS_DBGOUT(CS_ERROR, 2, printk(KERN_INFO - "cs46xx: amp_hercules() called before initialized.\n")); - return; - } - card->amplifier+=change; - if ((card->amplifier && !old) && !(hercules_egpio_disable)) { - CS_DBGOUT(CS_PARMS, 4, printk(KERN_INFO - "cs46xx: amp_hercules() external amp enabled\n")); - cs461x_pokeBA0(card, BA0_EGPIODR, - EGPIODR_GPOE2); /* enable EGPIO2 output */ - cs461x_pokeBA0(card, BA0_EGPIOPTR, - EGPIOPTR_GPPT2); /* open-drain on output */ - } else if (old && !card->amplifier) { - CS_DBGOUT(CS_PARMS, 4, printk(KERN_INFO - "cs46xx: amp_hercules() external amp disabled\n")); - cs461x_pokeBA0(card, BA0_EGPIODR, 0); /* disable */ - cs461x_pokeBA0(card, BA0_EGPIOPTR, 0); /* disable */ - } -} - -/* - * Handle the CLKRUN on a thinkpad. We must disable CLKRUN support - * whenever we need to beat on the chip. - * - * The original idea and code for this hack comes from David Kaiser at - * Linuxcare. Perhaps one day Crystal will document their chips well - * enough to make them useful. - */ - -static void clkrun_hack(struct cs_card *card, int change) -{ - struct pci_dev *acpi_dev; - u16 control; - u8 pp; - unsigned long port; - int old = card->active; - - card->active+=change; - - acpi_dev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, NULL); - if (acpi_dev == NULL) - return; /* Not a thinkpad thats for sure */ - - /* Find the control port */ - pci_read_config_byte(acpi_dev, 0x41, &pp); - port = pp << 8; - - /* Read ACPI port */ - control = inw(port + 0x10); - - /* Flip CLKRUN off while running */ - if (!card->active && old) { - CS_DBGOUT(CS_PARMS , 9, printk( KERN_INFO - "cs46xx: clkrun() enable clkrun - change=%d active=%d\n", - change,card->active)); - outw(control|0x2000, port+0x10); - } else { - /* - * sometimes on a resume the bit is set, so always reset the bit. - */ - CS_DBGOUT(CS_PARMS , 9, printk( KERN_INFO - "cs46xx: clkrun() disable clkrun - change=%d active=%d\n", - change,card->active)); - outw(control&~0x2000, port+0x10); - } - pci_dev_put(acpi_dev); -} - - -static int cs_open(struct inode *inode, struct file *file) -{ - struct cs_card *card = file->private_data; - struct cs_state *state = NULL; - struct dmabuf *dmabuf = NULL; - struct list_head *entry; - unsigned int minor = iminor(inode); - int ret = 0; - unsigned int tmp; - - CS_DBGOUT(CS_OPEN | CS_FUNCTION, 2, printk("cs46xx: cs_open()+ file=%p %s %s\n", - file, file->f_mode & FMODE_WRITE ? "FMODE_WRITE" : "", - file->f_mode & FMODE_READ ? "FMODE_READ" : "") ); - - list_for_each(entry, &cs46xx_devs) { - card = list_entry(entry, struct cs_card, list); - - if (!((card->dev_audio ^ minor) & ~0xf)) - break; - } - if (entry == &cs46xx_devs) - return -ENODEV; - if (!card) { - CS_DBGOUT(CS_FUNCTION | CS_OPEN, 2, printk(KERN_INFO - "cs46xx: cs_open(): Error - unable to find audio card struct\n")); - return -ENODEV; - } - - /* - * hardcode state[0] for capture, [1] for playback - */ - if (file->f_mode & FMODE_READ) { - CS_DBGOUT(CS_WAVE_READ, 2, printk("cs46xx: cs_open() FMODE_READ\n") ); - if (card->states[0] == NULL) { - state = card->states[0] = - kzalloc(sizeof(struct cs_state), GFP_KERNEL); - if (state == NULL) - return -ENOMEM; - mutex_init(&state->sem); - dmabuf = &state->dmabuf; - dmabuf->pbuf = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); - if (dmabuf->pbuf == NULL) { - kfree(state); - card->states[0] = NULL; - return -ENOMEM; - } - } else { - state = card->states[0]; - if (state->open_mode & FMODE_READ) - return -EBUSY; - } - dmabuf->channel = card->alloc_rec_pcm_channel(card); - - if (dmabuf->channel == NULL) { - kfree(card->states[0]); - card->states[0] = NULL; - return -ENODEV; - } - - /* Now turn on external AMP if needed */ - state->card = card; - state->card->active_ctrl(state->card, 1); - state->card->amplifier_ctrl(state->card, 1); - - if ((tmp = cs46xx_powerup(card, CS_POWER_ADC))) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO - "cs46xx: cs46xx_powerup of ADC failed (0x%x)\n", tmp)); - return -EIO; - } - - dmabuf->channel->state = state; - /* initialize the virtual channel */ - state->virt = 0; - state->magic = CS_STATE_MAGIC; - init_waitqueue_head(&dmabuf->wait); - mutex_init(&state->open_mutex); - file->private_data = card; - - mutex_lock(&state->open_mutex); - - /* set default sample format. According to OSS Programmer's Guide /dev/dsp - should be default to unsigned 8-bits, mono, with sample rate 8kHz and - /dev/dspW will accept 16-bits sample */ - - /* Default input is 8bit mono */ - dmabuf->fmt &= ~CS_FMT_MASK; - dmabuf->type = CS_TYPE_ADC; - dmabuf->ossfragshift = 0; - dmabuf->ossmaxfrags = 0; - dmabuf->subdivision = 0; - cs_set_adc_rate(state, 8000); - cs_set_divisor(dmabuf); - - state->open_mode |= FMODE_READ; - mutex_unlock(&state->open_mutex); - } - if (file->f_mode & FMODE_WRITE) { - CS_DBGOUT(CS_OPEN, 2, printk("cs46xx: cs_open() FMODE_WRITE\n") ); - if (card->states[1] == NULL) { - state = card->states[1] = - kzalloc(sizeof(struct cs_state), GFP_KERNEL); - if (state == NULL) - return -ENOMEM; - mutex_init(&state->sem); - dmabuf = &state->dmabuf; - dmabuf->pbuf = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); - if (dmabuf->pbuf == NULL) { - kfree(state); - card->states[1] = NULL; - return -ENOMEM; - } - } else { - state = card->states[1]; - if (state->open_mode & FMODE_WRITE) - return -EBUSY; - } - dmabuf->channel = card->alloc_pcm_channel(card); - - if (dmabuf->channel == NULL) { - kfree(card->states[1]); - card->states[1] = NULL; - return -ENODEV; - } - - /* Now turn on external AMP if needed */ - state->card = card; - state->card->active_ctrl(state->card, 1); - state->card->amplifier_ctrl(state->card, 1); - - if ((tmp = cs46xx_powerup(card, CS_POWER_DAC))) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO - "cs46xx: cs46xx_powerup of DAC failed (0x%x)\n", tmp)); - return -EIO; - } - - dmabuf->channel->state = state; - /* initialize the virtual channel */ - state->virt = 1; - state->magic = CS_STATE_MAGIC; - init_waitqueue_head(&dmabuf->wait); - mutex_init(&state->open_mutex); - file->private_data = card; - - mutex_lock(&state->open_mutex); - - /* set default sample format. According to OSS Programmer's Guide /dev/dsp - should be default to unsigned 8-bits, mono, with sample rate 8kHz and - /dev/dspW will accept 16-bits sample */ - - /* Default output is 8bit mono. */ - dmabuf->fmt &= ~CS_FMT_MASK; - dmabuf->type = CS_TYPE_DAC; - dmabuf->ossfragshift = 0; - dmabuf->ossmaxfrags = 0; - dmabuf->subdivision = 0; - cs_set_dac_rate(state, 8000); - cs_set_divisor(dmabuf); - - state->open_mode |= FMODE_WRITE; - mutex_unlock(&state->open_mutex); - if ((ret = prog_dmabuf(state))) - return ret; - } - CS_DBGOUT(CS_OPEN | CS_FUNCTION, 2, printk("cs46xx: cs_open()- 0\n")); - return nonseekable_open(inode, file); -} - -static int cs_release(struct inode *inode, struct file *file) -{ - struct cs_card *card = file->private_data; - struct dmabuf *dmabuf; - struct cs_state *state; - unsigned int tmp; - CS_DBGOUT(CS_RELEASE | CS_FUNCTION, 2, printk("cs46xx: cs_release()+ file=%p %s %s\n", - file, file->f_mode & FMODE_WRITE ? "FMODE_WRITE" : "", - file->f_mode & FMODE_READ ? "FMODE_READ" : "")); - - if (!(file->f_mode & (FMODE_WRITE | FMODE_READ))) - return -EINVAL; - state = card->states[1]; - if (state) { - if ((state->open_mode & FMODE_WRITE) & (file->f_mode & FMODE_WRITE)) { - CS_DBGOUT(CS_RELEASE, 2, printk("cs46xx: cs_release() FMODE_WRITE\n")); - dmabuf = &state->dmabuf; - cs_clear_tail(state); - drain_dac(state, file->f_flags & O_NONBLOCK); - /* stop DMA state machine and free DMA buffers/channels */ - mutex_lock(&state->open_mutex); - stop_dac(state); - dealloc_dmabuf(state); - state->card->free_pcm_channel(state->card, dmabuf->channel->num); - free_page((unsigned long)state->dmabuf.pbuf); - - /* we're covered by the open_mutex */ - mutex_unlock(&state->open_mutex); - state->card->states[state->virt] = NULL; - state->open_mode &= (~file->f_mode) & (FMODE_READ|FMODE_WRITE); - - if ((tmp = cs461x_powerdown(card, CS_POWER_DAC, CS_FALSE))) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_INFO - "cs46xx: cs_release_mixdev() powerdown DAC failure (0x%x)\n",tmp) ); - } - - /* Now turn off external AMP if needed */ - state->card->amplifier_ctrl(state->card, -1); - state->card->active_ctrl(state->card, -1); - kfree(state); - } - } - - state = card->states[0]; - if (state) { - if ((state->open_mode & FMODE_READ) & (file->f_mode & FMODE_READ)) { - CS_DBGOUT(CS_RELEASE, 2, printk("cs46xx: cs_release() FMODE_READ\n")); - dmabuf = &state->dmabuf; - mutex_lock(&state->open_mutex); - stop_adc(state); - dealloc_dmabuf(state); - state->card->free_pcm_channel(state->card, dmabuf->channel->num); - free_page((unsigned long)state->dmabuf.pbuf); - - /* we're covered by the open_mutex */ - mutex_unlock(&state->open_mutex); - state->card->states[state->virt] = NULL; - state->open_mode &= (~file->f_mode) & (FMODE_READ|FMODE_WRITE); - - if ((tmp = cs461x_powerdown(card, CS_POWER_ADC, CS_FALSE))) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_INFO - "cs46xx: cs_release_mixdev() powerdown ADC failure (0x%x)\n",tmp) ); - } - - /* Now turn off external AMP if needed */ - state->card->amplifier_ctrl(state->card, -1); - state->card->active_ctrl(state->card, -1); - kfree(state); - } - } - - CS_DBGOUT(CS_FUNCTION | CS_RELEASE, 2, printk("cs46xx: cs_release()- 0\n")); - return 0; -} - -static void printpm(struct cs_card *s) -{ - CS_DBGOUT(CS_PM, 9, printk("pm struct:\n")); - CS_DBGOUT(CS_PM, 9, printk("flags:0x%x u32CLKCR1_SAVE: 0%x u32SSPMValue: 0x%x\n", - (unsigned)s->pm.flags,s->pm.u32CLKCR1_SAVE,s->pm.u32SSPMValue)); - CS_DBGOUT(CS_PM, 9, printk("u32PPLVCvalue: 0x%x u32PPRVCvalue: 0x%x\n", - s->pm.u32PPLVCvalue,s->pm.u32PPRVCvalue)); - CS_DBGOUT(CS_PM, 9, printk("u32FMLVCvalue: 0x%x u32FMRVCvalue: 0x%x\n", - s->pm.u32FMLVCvalue,s->pm.u32FMRVCvalue)); - CS_DBGOUT(CS_PM, 9, printk("u32GPIORvalue: 0x%x u32JSCTLvalue: 0x%x\n", - s->pm.u32GPIORvalue,s->pm.u32JSCTLvalue)); - CS_DBGOUT(CS_PM, 9, printk("u32SSCR: 0x%x u32SRCSA: 0x%x\n", - s->pm.u32SSCR,s->pm.u32SRCSA)); - CS_DBGOUT(CS_PM, 9, printk("u32DacASR: 0x%x u32AdcASR: 0x%x\n", - s->pm.u32DacASR,s->pm.u32AdcASR)); - CS_DBGOUT(CS_PM, 9, printk("u32DacSR: 0x%x u32AdcSR: 0x%x\n", - s->pm.u32DacSR,s->pm.u32AdcSR)); - CS_DBGOUT(CS_PM, 9, printk("u32MIDCR_Save: 0x%x\n", - s->pm.u32MIDCR_Save)); - CS_DBGOUT(CS_PM, 9, printk("u32AC97_powerdown: 0x%x _general_purpose 0x%x\n", - s->pm.u32AC97_powerdown,s->pm.u32AC97_general_purpose)); - CS_DBGOUT(CS_PM, 9, printk("u32AC97_master_volume: 0x%x\n", - s->pm.u32AC97_master_volume)); - CS_DBGOUT(CS_PM, 9, printk("u32AC97_headphone_volume: 0x%x\n", - s->pm.u32AC97_headphone_volume)); - CS_DBGOUT(CS_PM, 9, printk("u32AC97_master_volume_mono: 0x%x\n", - s->pm.u32AC97_master_volume_mono)); - CS_DBGOUT(CS_PM, 9, printk("u32AC97_pcm_out_volume: 0x%x\n", - s->pm.u32AC97_pcm_out_volume)); - CS_DBGOUT(CS_PM, 9, printk("dmabuf_swptr_play: 0x%x dmabuf_count_play: %d\n", - s->pm.dmabuf_swptr_play,s->pm.dmabuf_count_play)); - CS_DBGOUT(CS_PM, 9, printk("dmabuf_swptr_capture: 0x%x dmabuf_count_capture: %d\n", - s->pm.dmabuf_swptr_capture,s->pm.dmabuf_count_capture)); - -} - -/**************************************************************************** -* -* Suspend - save the ac97 regs, mute the outputs and power down the part. -* -****************************************************************************/ -static void cs46xx_ac97_suspend(struct cs_card *card) -{ - int Count,i; - struct ac97_codec *dev=card->ac97_codec[0]; - unsigned int tmp; - - CS_DBGOUT(CS_PM, 9, printk("cs46xx: cs46xx_ac97_suspend()+\n")); - - if (card->states[1]) { - stop_dac(card->states[1]); - resync_dma_ptrs(card->states[1]); - } - if (card->states[0]) { - stop_adc(card->states[0]); - resync_dma_ptrs(card->states[0]); - } - - for (Count = 0x2, i = 0; (Count <= CS46XX_AC97_HIGHESTREGTORESTORE) - && (i < CS46XX_AC97_NUMBER_RESTORE_REGS); - Count += 2, i++) { - card->pm.ac97[i] = cs_ac97_get(dev, BA0_AC97_RESET + Count); - } -/* -* Save the ac97 volume registers as well as the current powerdown state. -* Now, mute the all the outputs (master, headphone, and mono), as well -* as the PCM volume, in preparation for powering down the entire part. - 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); -*/ -/* -* mute the outputs -*/ - 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); - -/* -* save the registers that cause pops -*/ - card->pm.u32AC97_powerdown = (u32)cs_ac97_get(dev, (u8)AC97_POWER_CONTROL); - card->pm.u32AC97_general_purpose = (u32)cs_ac97_get(dev, (u8)BA0_AC97_GENERAL_PURPOSE); -/* -* And power down everything on the AC97 codec. -* well, for now, only power down the DAC/ADC and MIXER VREFON components. -* trouble with removing VREF. -*/ - if ((tmp = cs461x_powerdown(card, CS_POWER_DAC | CS_POWER_ADC | - CS_POWER_MIXVON, CS_TRUE))) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO - "cs46xx: cs46xx_ac97_suspend() failure (0x%x)\n",tmp)); - } - - CS_DBGOUT(CS_PM, 9, printk("cs46xx: cs46xx_ac97_suspend()-\n")); -} - -/**************************************************************************** -* -* Resume - power up the part and restore its registers.. -* -****************************************************************************/ -static void cs46xx_ac97_resume(struct cs_card *card) -{ - int Count,i; - struct ac97_codec *dev=card->ac97_codec[0]; - - CS_DBGOUT(CS_PM, 9, printk("cs46xx: cs46xx_ac97_resume()+\n")); - -/* -* First, we restore the state of the general purpose register. This -* contains the mic select (mic1 or mic2) and if we restore this after -* we restore the mic volume/boost state and mic2 was selected at -* suspend time, we will end up with a brief period of time where mic1 -* is selected with the volume/boost settings for mic2, causing -* acoustic feedback. So we restore the general purpose register -* first, thereby getting the correct mic selected before we restore -* the mic volume/boost. -*/ - cs_ac97_set(dev, (u8)BA0_AC97_GENERAL_PURPOSE, - (u16)card->pm.u32AC97_general_purpose); -/* -* Now, while the outputs are still muted, restore the state of power -* on the AC97 part. -*/ - cs_ac97_set(dev, (u8)BA0_AC97_POWERDOWN, (u16)card->pm.u32AC97_powerdown); - mdelay(5 * cs_laptop_wait); -/* -* Restore just the first set of registers, from register number -* 0x02 to the register number that ulHighestRegToRestore specifies. -*/ - for (Count = 0x2, i=0; (Count <= CS46XX_AC97_HIGHESTREGTORESTORE) && - (i < CS46XX_AC97_NUMBER_RESTORE_REGS); Count += 2, i++) { - cs_ac97_set(dev, (u8)(BA0_AC97_RESET + Count), (u16)card->pm.ac97[i]); - } - - /* Check if we have to init the amplifier */ - if (card->amp_init) - card->amp_init(card); - - CS_DBGOUT(CS_PM, 9, printk("cs46xx: cs46xx_ac97_resume()-\n")); -} - - -static int cs46xx_restart_part(struct cs_card *card) -{ - struct dmabuf *dmabuf; - - CS_DBGOUT(CS_PM | CS_FUNCTION, 4, - printk( "cs46xx: cs46xx_restart_part()+\n")); - if (card->states[1]) { - dmabuf = &card->states[1]->dmabuf; - dmabuf->ready = 0; - resync_dma_ptrs(card->states[1]); - cs_set_divisor(dmabuf); - if (__prog_dmabuf(card->states[1])) { - CS_DBGOUT(CS_PM | CS_ERROR, 1, - printk("cs46xx: cs46xx_restart_part()- (-1) prog_dmabuf() dac error\n")); - return -1; - } - cs_set_dac_rate(card->states[1], dmabuf->rate); - } - if (card->states[0]) { - dmabuf = &card->states[0]->dmabuf; - dmabuf->ready = 0; - resync_dma_ptrs(card->states[0]); - cs_set_divisor(dmabuf); - if (__prog_dmabuf(card->states[0])) { - CS_DBGOUT(CS_PM | CS_ERROR, 1, - printk("cs46xx: cs46xx_restart_part()- (-1) prog_dmabuf() adc error\n")); - return -1; - } - cs_set_adc_rate(card->states[0], dmabuf->rate); - } - card->pm.flags |= CS46XX_PM_RESUMED; - if (card->states[0]) - start_adc(card->states[0]); - if (card->states[1]) - start_dac(card->states[1]); - - card->pm.flags |= CS46XX_PM_IDLE; - card->pm.flags &= ~(CS46XX_PM_SUSPENDING | CS46XX_PM_SUSPENDED - | CS46XX_PM_RESUMING | CS46XX_PM_RESUMED); - if (card->states[0]) - wake_up(&card->states[0]->dmabuf.wait); - if (card->states[1]) - wake_up(&card->states[1]->dmabuf.wait); - - CS_DBGOUT(CS_PM | CS_FUNCTION, 4, - printk( "cs46xx: cs46xx_restart_part()-\n")); - return 0; -} - -static void cs461x_reset(struct cs_card *card); -static void cs461x_proc_stop(struct cs_card *card); -static int cs46xx_suspend(struct cs_card *card, pm_message_t state) -{ - unsigned int tmp; - - CS_DBGOUT(CS_PM | CS_FUNCTION, 4, - printk("cs46xx: cs46xx_suspend()+ flags=0x%x s=%p\n", - (unsigned)card->pm.flags,card)); -/* -* check the current state, only suspend if IDLE -*/ - if (!(card->pm.flags & CS46XX_PM_IDLE)) { - CS_DBGOUT(CS_PM | CS_ERROR, 2, - printk("cs46xx: cs46xx_suspend() unable to suspend, not IDLE\n")); - return 1; - } - card->pm.flags &= ~CS46XX_PM_IDLE; - card->pm.flags |= CS46XX_PM_SUSPENDING; - - card->active_ctrl(card,1); - - tmp = cs461x_peek(card, BA1_PFIE); - tmp &= ~0x0000f03f; - tmp |= 0x00000010; - cs461x_poke(card, BA1_PFIE, tmp); /* playback interrupt disable */ - - tmp = cs461x_peek(card, BA1_CIE); - tmp &= ~0x0000003f; - tmp |= 0x00000011; - cs461x_poke(card, BA1_CIE, tmp); /* capture interrupt disable */ - - /* - * Stop playback DMA. - */ - tmp = cs461x_peek(card, BA1_PCTL); - cs461x_poke(card, BA1_PCTL, tmp & 0x0000ffff); - - /* - * Stop capture DMA. - */ - tmp = cs461x_peek(card, BA1_CCTL); - cs461x_poke(card, BA1_CCTL, tmp & 0xffff0000); - - if (card->states[1]) { - card->pm.dmabuf_swptr_play = card->states[1]->dmabuf.swptr; - card->pm.dmabuf_count_play = card->states[1]->dmabuf.count; - } - if (card->states[0]) { - card->pm.dmabuf_swptr_capture = card->states[0]->dmabuf.swptr; - card->pm.dmabuf_count_capture = card->states[0]->dmabuf.count; - } - - cs46xx_ac97_suspend(card); - - /* - * Reset the processor. - */ - cs461x_reset(card); - - cs461x_proc_stop(card); - - /* - * Power down the DAC and ADC. For now leave the other areas on. - */ - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, 0x0300); - - /* - * Power down the PLL. - */ - cs461x_pokeBA0(card, BA0_CLKCR1, 0); - - /* - * Turn off the Processor by turning off the software clock enable flag in - * the clock control register. - */ - tmp = cs461x_peekBA0(card, BA0_CLKCR1) & ~CLKCR1_SWCE; - cs461x_pokeBA0(card, BA0_CLKCR1, tmp); - - card->active_ctrl(card,-1); - - card->pm.flags &= ~CS46XX_PM_SUSPENDING; - card->pm.flags |= CS46XX_PM_SUSPENDED; - - printpm(card); - - CS_DBGOUT(CS_PM | CS_FUNCTION, 4, - printk("cs46xx: cs46xx_suspend()- flags=0x%x\n", - (unsigned)card->pm.flags)); - return 0; -} - -static int cs46xx_resume(struct cs_card *card) -{ - int i; - - CS_DBGOUT(CS_PM | CS_FUNCTION, 4, - printk( "cs46xx: cs46xx_resume()+ flags=0x%x\n", - (unsigned)card->pm.flags)); - if (!(card->pm.flags & CS46XX_PM_SUSPENDED)) { - CS_DBGOUT(CS_PM | CS_ERROR, 2, - printk("cs46xx: cs46xx_resume() unable to resume, not SUSPENDED\n")); - return 1; - } - card->pm.flags |= CS46XX_PM_RESUMING; - card->pm.flags &= ~CS46XX_PM_SUSPENDED; - printpm(card); - card->active_ctrl(card, 1); - - for (i = 0; i < 5; i++) { - if (cs_hardware_init(card) != 0) { - CS_DBGOUT(CS_PM | CS_ERROR, 4, printk( - "cs46xx: cs46xx_resume()- ERROR in cs_hardware_init()\n")); - mdelay(10 * cs_laptop_wait); - cs461x_reset(card); - continue; - } - break; - } - if (i >= 4) { - CS_DBGOUT(CS_PM | CS_ERROR, 1, printk( - "cs46xx: cs46xx_resume()- cs_hardware_init() failed, retried %d times.\n",i)); - return 0; - } - - if (cs46xx_restart_part(card)) { - CS_DBGOUT(CS_PM | CS_ERROR, 4, printk( - "cs46xx: cs46xx_resume(): cs46xx_restart_part() returned error\n")); - } - - card->active_ctrl(card, -1); - - CS_DBGOUT(CS_PM | CS_FUNCTION, 4, printk("cs46xx: cs46xx_resume()- flags=0x%x\n", - (unsigned)card->pm.flags)); - return 0; -} - -static /*const*/ struct file_operations cs461x_fops = { - CS_OWNER CS_THIS_MODULE - .llseek = no_llseek, - .read = cs_read, - .write = cs_write, - .poll = cs_poll, - .ioctl = cs_ioctl, - .mmap = cs_mmap, - .open = cs_open, - .release = cs_release, -}; - -/* Write AC97 codec registers */ - - -static u16 _cs_ac97_get(struct ac97_codec *dev, u8 reg) -{ - struct cs_card *card = dev->private_data; - int count,loopcnt; - unsigned int tmp; - u16 ret; - - /* - * 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address - * 2. Write ACCDA = Command Data Register = 470h for data to write to AC97 - * 3. Write ACCTL = Control Register = 460h for initiating the write - * 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 17h - * 5. if DCV not cleared, break and return error - * 6. Read ACSTS = Status Register = 464h, check VSTS bit - */ - - cs461x_peekBA0(card, BA0_ACSDA); - - /* - * Setup the AC97 control registers on the CS461x to send the - * appropriate command to the AC97 to perform the read. - * ACCAD = Command Address Register = 46Ch - * ACCDA = Command Data Register = 470h - * ACCTL = Control Register = 460h - * set DCV - will clear when process completed - * set CRW - Read command - * set VFRM - valid frame enabled - * set ESYN - ASYNC generation enabled - * set RSTN - ARST# inactive, AC97 codec not reset - */ - - cs461x_pokeBA0(card, BA0_ACCAD, reg); - cs461x_pokeBA0(card, BA0_ACCDA, 0); - cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_DCV | ACCTL_CRW | - ACCTL_VFRM | ACCTL_ESYN | - ACCTL_RSTN); - - - /* - * Wait for the read to occur. - */ - if (!(card->pm.flags & CS46XX_PM_IDLE)) - loopcnt = 2000; - else - loopcnt = 500 * cs_laptop_wait; - loopcnt *= cs_laptop_wait; - for (count = 0; count < loopcnt; count++) { - /* - * First, we want to wait for a short time. - */ - udelay(10 * cs_laptop_wait); - /* - * Now, check to see if the read has completed. - * ACCTL = 460h, DCV should be reset by now and 460h = 17h - */ - if (!(cs461x_peekBA0(card, BA0_ACCTL) & ACCTL_DCV)) - break; - } - - /* - * Make sure the read completed. - */ - if (cs461x_peekBA0(card, BA0_ACCTL) & ACCTL_DCV) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: AC'97 read problem (ACCTL_DCV), reg = 0x%x returning 0xffff\n", reg)); - return 0xffff; - } - - /* - * Wait for the valid status bit to go active. - */ - - if (!(card->pm.flags & CS46XX_PM_IDLE)) - loopcnt = 2000; - else - loopcnt = 1000; - loopcnt *= cs_laptop_wait; - for (count = 0; count < loopcnt; count++) { - /* - * Read the AC97 status register. - * ACSTS = Status Register = 464h - * VSTS - Valid Status - */ - if (cs461x_peekBA0(card, BA0_ACSTS) & ACSTS_VSTS) - break; - udelay(10 * cs_laptop_wait); - } - - /* - * Make sure we got valid status. - */ - if (!((tmp = cs461x_peekBA0(card, BA0_ACSTS)) & ACSTS_VSTS)) { - CS_DBGOUT(CS_ERROR, 2, printk(KERN_WARNING - "cs46xx: AC'97 read problem (ACSTS_VSTS), reg = 0x%x val=0x%x 0xffff \n", - reg, tmp)); - return 0xffff; - } - - /* - * Read the data returned from the AC97 register. - * ACSDA = Status Data Register = 474h - */ - CS_DBGOUT(CS_FUNCTION, 9, printk(KERN_INFO - "cs46xx: cs_ac97_get() reg = 0x%x, val = 0x%x, BA0_ACCAD = 0x%x\n", - reg, cs461x_peekBA0(card, BA0_ACSDA), - cs461x_peekBA0(card, BA0_ACCAD))); - ret = cs461x_peekBA0(card, BA0_ACSDA); - return ret; -} - -static u16 cs_ac97_get(struct ac97_codec *dev, u8 reg) -{ - u16 ret; - struct cs_card *card = dev->private_data; - - spin_lock(&card->ac97_lock); - ret = _cs_ac97_get(dev, reg); - spin_unlock(&card->ac97_lock); - return ret; -} - -static void cs_ac97_set(struct ac97_codec *dev, u8 reg, u16 val) -{ - struct cs_card *card = dev->private_data; - int count; - int val2 = 0; - - spin_lock(&card->ac97_lock); - - if (reg == AC97_CD_VOL) - val2 = _cs_ac97_get(dev, AC97_CD_VOL); - - /* - * 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address - * 2. Write ACCDA = Command Data Register = 470h for data to write to AC97 - * 3. Write ACCTL = Control Register = 460h for initiating the write - * 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 07h - * 5. if DCV not cleared, break and return error - */ - - /* - * Setup the AC97 control registers on the CS461x to send the - * appropriate command to the AC97 to perform the read. - * ACCAD = Command Address Register = 46Ch - * ACCDA = Command Data Register = 470h - * ACCTL = Control Register = 460h - * set DCV - will clear when process completed - * reset CRW - Write command - * set VFRM - valid frame enabled - * set ESYN - ASYNC generation enabled - * set RSTN - ARST# inactive, AC97 codec not reset - */ - cs461x_pokeBA0(card, BA0_ACCAD, reg); - cs461x_pokeBA0(card, BA0_ACCDA, val); - cs461x_peekBA0(card, BA0_ACCTL); - cs461x_pokeBA0(card, BA0_ACCTL, 0 | ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN); - cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_DCV | ACCTL_VFRM | - ACCTL_ESYN | ACCTL_RSTN); - for (count = 0; count < 1000; count++) { - /* - * First, we want to wait for a short time. - */ - udelay(10 * cs_laptop_wait); - /* - * Now, check to see if the write has completed. - * ACCTL = 460h, DCV should be reset by now and 460h = 07h - */ - if (!(cs461x_peekBA0(card, BA0_ACCTL) & ACCTL_DCV)) - break; - } - /* - * Make sure the write completed. - */ - if (cs461x_peekBA0(card, BA0_ACCTL) & ACCTL_DCV) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: AC'97 write problem, reg = 0x%x, val = 0x%x\n", reg, val)); - } - - spin_unlock(&card->ac97_lock); - - /* - * Adjust power if the mixer is selected/deselected according - * to the CD. - * - * IF the CD is a valid input source (mixer or direct) AND - * the CD is not muted THEN power is needed - * - * We do two things. When record select changes the input to - * add/remove the CD we adjust the power count if the CD is - * unmuted. - * - * When the CD mute changes we adjust the power level if the - * CD was a valid input. - * - * We also check for CD volume != 0, as the CD mute isn't - * normally tweaked from userspace. - */ - - /* CD mute change ? */ - - if (reg == AC97_CD_VOL) { - /* Mute bit change ? */ - if ((val2^val) & 0x8000 || - ((val2 == 0x1f1f || val == 0x1f1f) && val2 != val)) { - /* This is a hack but its cleaner than the alternatives. - Right now card->ac97_codec[0] might be NULL as we are - still doing codec setup. This does an early assignment - to avoid the problem if it occurs */ - - if (card->ac97_codec[0] == NULL) - card->ac97_codec[0] = dev; - - /* Mute on */ - if (val & 0x8000 || val == 0x1f1f) - card->amplifier_ctrl(card, -1); - else { /* Mute off power on */ - if (card->amp_init) - card->amp_init(card); - card->amplifier_ctrl(card, 1); - } - } - } -} - -/* OSS /dev/mixer file operation methods */ - -static int cs_open_mixdev(struct inode *inode, struct file *file) -{ - int i = 0; - unsigned int minor = iminor(inode); - struct cs_card *card = NULL; - struct list_head *entry; - unsigned int tmp; - - CS_DBGOUT(CS_FUNCTION | CS_OPEN, 4, - printk(KERN_INFO "cs46xx: cs_open_mixdev()+\n")); - - list_for_each(entry, &cs46xx_devs) { - card = list_entry(entry, struct cs_card, list); - for (i = 0; i < NR_AC97; i++) - if (card->ac97_codec[i] != NULL && - card->ac97_codec[i]->dev_mixer == minor) - goto match; - } - if (!card) { - CS_DBGOUT(CS_FUNCTION | CS_OPEN | CS_ERROR, 2, - printk(KERN_INFO "cs46xx: cs46xx_open_mixdev()- -ENODEV\n")); - return -ENODEV; - } - match: - if (!card->ac97_codec[i]) - return -ENODEV; - file->private_data = card->ac97_codec[i]; - - card->active_ctrl(card,1); - if (!CS_IN_USE(&card->mixer_use_cnt)) { - if ((tmp = cs46xx_powerup(card, CS_POWER_MIXVON))) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO - "cs46xx: cs_open_mixdev() powerup failure (0x%x)\n", tmp)); - return -EIO; - } - } - card->amplifier_ctrl(card, 1); - CS_INC_USE_COUNT(&card->mixer_use_cnt); - CS_DBGOUT(CS_FUNCTION | CS_OPEN, 4, - printk(KERN_INFO "cs46xx: cs_open_mixdev()- 0\n")); - return nonseekable_open(inode, file); -} - -static int cs_release_mixdev(struct inode *inode, struct file *file) -{ - unsigned int minor = iminor(inode); - struct cs_card *card = NULL; - struct list_head *entry; - int i; - unsigned int tmp; - - CS_DBGOUT(CS_FUNCTION | CS_RELEASE, 4, - printk(KERN_INFO "cs46xx: cs_release_mixdev()+\n")); - list_for_each(entry, &cs46xx_devs) - { - card = list_entry(entry, struct cs_card, list); - for (i = 0; i < NR_AC97; i++) - if (card->ac97_codec[i] != NULL && - card->ac97_codec[i]->dev_mixer == minor) - goto match; - } - if (!card) { - CS_DBGOUT(CS_FUNCTION | CS_OPEN | CS_ERROR, 2, - printk(KERN_INFO "cs46xx: cs46xx_open_mixdev()- -ENODEV\n")); - return -ENODEV; - } -match: - if (!CS_DEC_AND_TEST(&card->mixer_use_cnt)) { - CS_DBGOUT(CS_FUNCTION | CS_RELEASE, 4, - printk(KERN_INFO "cs46xx: cs_release_mixdev()- no powerdown, usecnt>0\n")); - card->active_ctrl(card, -1); - card->amplifier_ctrl(card, -1); - return 0; - } -/* -* ok, no outstanding mixer opens, so powerdown. -*/ - if ((tmp = cs461x_powerdown(card, CS_POWER_MIXVON, CS_FALSE))) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO - "cs46xx: cs_release_mixdev() powerdown MIXVON failure (0x%x)\n", tmp)); - card->active_ctrl(card, -1); - card->amplifier_ctrl(card, -1); - return -EIO; - } - card->active_ctrl(card, -1); - card->amplifier_ctrl(card, -1); - CS_DBGOUT(CS_FUNCTION | CS_RELEASE, 4, - printk(KERN_INFO "cs46xx: cs_release_mixdev()- 0\n")); - return 0; -} - -static int cs_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) -{ - struct ac97_codec *codec = file->private_data; - struct cs_card *card = NULL; - struct list_head *entry; - unsigned long __user *p = (long __user *)arg; -#if CSDEBUG_INTERFACE - int val; - - if ( (cmd == SOUND_MIXER_CS_GETDBGMASK) || - (cmd == SOUND_MIXER_CS_SETDBGMASK) || - (cmd == SOUND_MIXER_CS_GETDBGLEVEL) || - (cmd == SOUND_MIXER_CS_SETDBGLEVEL) || - (cmd == SOUND_MIXER_CS_APM)) { - switch (cmd) { - case SOUND_MIXER_CS_GETDBGMASK: - return put_user(cs_debugmask, p); - case SOUND_MIXER_CS_GETDBGLEVEL: - return put_user(cs_debuglevel, p); - case SOUND_MIXER_CS_SETDBGMASK: - if (get_user(val, p)) - return -EFAULT; - cs_debugmask = val; - return 0; - case SOUND_MIXER_CS_SETDBGLEVEL: - if (get_user(val, p)) - return -EFAULT; - cs_debuglevel = val; - return 0; - case SOUND_MIXER_CS_APM: - if (get_user(val, p)) - return -EFAULT; - if (val == CS_IOCTL_CMD_SUSPEND) { - list_for_each(entry, &cs46xx_devs) { - card = list_entry(entry, struct cs_card, list); - cs46xx_suspend(card, PMSG_ON); - } - - } else if (val == CS_IOCTL_CMD_RESUME) { - list_for_each(entry, &cs46xx_devs) { - card = list_entry(entry, struct cs_card, list); - cs46xx_resume(card); - } - } else { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_INFO - "cs46xx: mixer_ioctl(): invalid APM cmd (%d)\n", - val)); - } - return 0; - default: - CS_DBGOUT(CS_ERROR, 1, printk(KERN_INFO - "cs46xx: mixer_ioctl(): ERROR unknown debug cmd\n")); - return 0; - } - } -#endif - return codec->mixer_ioctl(codec, cmd, arg); -} - -static /*const*/ struct file_operations cs_mixer_fops = { - CS_OWNER CS_THIS_MODULE - .llseek = no_llseek, - .ioctl = cs_ioctl_mixdev, - .open = cs_open_mixdev, - .release = cs_release_mixdev, -}; - -/* AC97 codec initialisation. */ -static int __init cs_ac97_init(struct cs_card *card) -{ - int num_ac97 = 0; - int ready_2nd = 0; - struct ac97_codec *codec; - u16 eid; - - CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO - "cs46xx: cs_ac97_init()+\n") ); - - for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++) { - if ((codec = ac97_alloc_codec()) == NULL) - return -ENOMEM; - - /* initialize some basic codec information, other fields will be filled - in ac97_probe_codec */ - codec->private_data = card; - codec->id = num_ac97; - - codec->codec_read = cs_ac97_get; - codec->codec_write = cs_ac97_set; - - if (ac97_probe_codec(codec) == 0) { - CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO - "cs46xx: cs_ac97_init()- codec number %d not found\n", - num_ac97) ); - card->ac97_codec[num_ac97] = NULL; - break; - } - CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO - "cs46xx: cs_ac97_init() found codec %d\n",num_ac97)); - - eid = cs_ac97_get(codec, AC97_EXTENDED_ID); - - if (eid == 0xFFFF) { - printk(KERN_WARNING "cs46xx: codec %d not present\n",num_ac97); - ac97_release_codec(codec); - break; - } - - card->ac97_features = eid; - - if ((codec->dev_mixer = register_sound_mixer(&cs_mixer_fops, -1)) < 0) { - printk(KERN_ERR "cs46xx: couldn't register mixer!\n"); - ac97_release_codec(codec); - break; - } - card->ac97_codec[num_ac97] = codec; - - CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO - "cs46xx: cs_ac97_init() ac97_codec[%d] set to %p\n", - (unsigned int)num_ac97, - codec)); - /* if there is no secondary codec at all, don't probe any more */ - if (!ready_2nd) - { - num_ac97 += 1; - break; - } - } - CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO - "cs46xx: cs_ac97_init()- %d\n", (unsigned int)num_ac97)); - return num_ac97; -} - -/* - * load the static image into the DSP - */ -#include "cs461x_image.h" -static void cs461x_download_image(struct cs_card *card) -{ - unsigned i, j, temp1, temp2, offset, count; - unsigned char __iomem *pBA1 = ioremap(card->ba1_addr, 0x40000); - for (i = 0; i < CLEAR__COUNT; i++) { - offset = ClrStat[i].BA1__DestByteOffset; - count = ClrStat[i].BA1__SourceSize; - for (temp1 = offset; temp1 < (offset + count); temp1 += 4) - writel(0, pBA1+temp1); - } - - for (i = 0; i < FILL__COUNT; i++) { - temp2 = FillStat[i].Offset; - for (j = 0; j < (FillStat[i].Size) / 4; j++) { - temp1 = (FillStat[i]).pFill[j]; - writel(temp1, pBA1+temp2 + j * 4); - } - } - iounmap(pBA1); -} - -/* - * Chip reset - */ - -static void cs461x_reset(struct cs_card *card) -{ - int idx; - - /* - * Write the reset bit of the SP control register. - */ - cs461x_poke(card, BA1_SPCR, SPCR_RSTSP); - - /* - * Write the control register. - */ - cs461x_poke(card, BA1_SPCR, SPCR_DRQEN); - - /* - * Clear the trap registers. - */ - for (idx = 0; idx < 8; idx++) { - cs461x_poke(card, BA1_DREG, DREG_REGID_TRAP_SELECT + idx); - cs461x_poke(card, BA1_TWPR, 0xFFFF); - } - cs461x_poke(card, BA1_DREG, 0); - - /* - * Set the frame timer to reflect the number of cycles per frame. - */ - cs461x_poke(card, BA1_FRMT, 0xadf); -} - -static void cs461x_clear_serial_FIFOs(struct cs_card *card, int type) -{ - int idx, loop, startfifo=0, endfifo=0, powerdown1 = 0; - unsigned int tmp; - - /* - * See if the devices are powered down. If so, we must power them up first - * or they will not respond. - */ - if (!((tmp = cs461x_peekBA0(card, BA0_CLKCR1)) & CLKCR1_SWCE)) { - cs461x_pokeBA0(card, BA0_CLKCR1, tmp | CLKCR1_SWCE); - powerdown1 = 1; - } - - /* - * We want to clear out the serial port FIFOs so we don't end up playing - * whatever random garbage happens to be in them. We fill the sample FIFOS - * with zero (silence). - */ - cs461x_pokeBA0(card, BA0_SERBWP, 0); - - /* - * Check for which FIFO locations to clear, if we are currently - * playing or capturing then we don't want to put in 128 bytes of - * "noise". - */ - if (type & CS_TYPE_DAC) { - startfifo = 128; - endfifo = 256; - } - if (type & CS_TYPE_ADC) { - startfifo = 0; - if (!endfifo) - endfifo = 128; - } - /* - * Fill sample FIFO locations (256 locations total). - */ - for (idx = startfifo; idx < endfifo; idx++) { - /* - * Make sure the previous FIFO write operation has completed. - */ - for (loop = 0; loop < 5; loop++) { - udelay(50); - if (!(cs461x_peekBA0(card, BA0_SERBST) & SERBST_WBSY)) - break; - } - if (cs461x_peekBA0(card, BA0_SERBST) & SERBST_WBSY) { - if (powerdown1) - cs461x_pokeBA0(card, BA0_CLKCR1, tmp); - } - /* - * Write the serial port FIFO index. - */ - cs461x_pokeBA0(card, BA0_SERBAD, idx); - /* - * Tell the serial port to load the new value into the FIFO location. - */ - cs461x_pokeBA0(card, BA0_SERBCM, SERBCM_WRC); - } - /* - * Now, if we powered up the devices, then power them back down again. - * This is kinda ugly, but should never happen. - */ - if (powerdown1) - cs461x_pokeBA0(card, BA0_CLKCR1, tmp); -} - - -static int cs461x_powerdown(struct cs_card *card, unsigned int type, int suspendflag) -{ - int count; - unsigned int tmp=0,muted=0; - - CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO - "cs46xx: cs461x_powerdown()+ type=0x%x\n",type)); - if (!cs_powerdown && !suspendflag) { - CS_DBGOUT(CS_FUNCTION, 8, printk(KERN_INFO - "cs46xx: cs461x_powerdown() DISABLED exiting\n")); - return 0; - } - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - CS_DBGOUT(CS_FUNCTION, 8, printk(KERN_INFO - "cs46xx: cs461x_powerdown() powerdown reg=0x%x\n",tmp)); -/* -* if powering down only the VREF, and not powering down the DAC/ADC, -* then do not power down the VREF, UNLESS both the DAC and ADC are not -* currently powered down. If powering down DAC and ADC, then -* it is possible to power down the VREF (ON). -*/ - if (((type & CS_POWER_MIXVON) && - (!(type & CS_POWER_ADC) || (!(type & CS_POWER_DAC)))) - && - ((tmp & CS_AC97_POWER_CONTROL_ADC_ON) || - (tmp & CS_AC97_POWER_CONTROL_DAC_ON))) { - CS_DBGOUT(CS_FUNCTION, 8, printk(KERN_INFO - "cs46xx: cs461x_powerdown()- 0 unable to powerdown. tmp=0x%x\n",tmp)); - return 0; - } -/* -* for now, always keep power to the mixer block. -* not sure why it's a problem but it seems to be if we power off. -*/ - type &= ~CS_POWER_MIXVON; - type &= ~CS_POWER_MIXVOFF; - - /* - * Power down indicated areas. - */ - if (type & CS_POWER_MIXVOFF) { - - CS_DBGOUT(CS_FUNCTION, 4, - printk(KERN_INFO "cs46xx: cs461x_powerdown()+ MIXVOFF\n")); - /* - * Power down the MIXER (VREF ON) on the AC97 card. - */ - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (tmp & CS_AC97_POWER_CONTROL_MIXVOFF_ON) { - if (!muted) { - cs_mute(card, CS_TRUE); - muted = 1; - } - tmp |= CS_AC97_POWER_CONTROL_MIXVOFF; - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp ); - /* - * Now, we wait until we sample a ready state. - */ - for (count = 0; count < 32; count++) { - /* - * First, lets wait a short while to let things settle out a - * bit, and to prevent retrying the read too quickly. - */ - udelay(500); - - /* - * Read the current state of the power control register. - */ - if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_MIXVOFF_ON)) - break; - } - - /* - * Check the status.. - */ - if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_MIXVOFF_ON) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: powerdown MIXVOFF failed\n")); - return 1; - } - } - } - if (type & CS_POWER_MIXVON) { - - CS_DBGOUT(CS_FUNCTION, 4, - printk(KERN_INFO "cs46xx: cs461x_powerdown()+ MIXVON\n")); - /* - * Power down the MIXER (VREF ON) on the AC97 card. - */ - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (tmp & CS_AC97_POWER_CONTROL_MIXVON_ON) { - if (!muted) { - cs_mute(card, CS_TRUE); - muted = 1; - } - tmp |= CS_AC97_POWER_CONTROL_MIXVON; - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp); - /* - * Now, we wait until we sample a ready state. - */ - for (count = 0; count < 32; count++) { - /* - * First, lets wait a short while to let things settle out a - * bit, and to prevent retrying the read too quickly. - */ - udelay(500); - - /* - * Read the current state of the power control register. - */ - if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_MIXVON_ON)) - break; - } - - /* - * Check the status.. - */ - if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_MIXVON_ON) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: powerdown MIXVON failed\n")); - return 1; - } - } - } - if (type & CS_POWER_ADC) { - /* - * Power down the ADC on the AC97 card. - */ - CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO "cs46xx: cs461x_powerdown()+ ADC\n")); - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (tmp & CS_AC97_POWER_CONTROL_ADC_ON) { - if (!muted) { - cs_mute(card, CS_TRUE); - muted = 1; - } - tmp |= CS_AC97_POWER_CONTROL_ADC; - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp); - - /* - * Now, we wait until we sample a ready state. - */ - for (count = 0; count < 32; count++) { - /* - * First, lets wait a short while to let things settle out a - * bit, and to prevent retrying the read too quickly. - */ - udelay(500); - - /* - * Read the current state of the power control register. - */ - if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_ADC_ON)) - break; - } - - /* - * Check the status.. - */ - if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_ADC_ON) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: powerdown ADC failed\n")); - return 1; - } - } - } - if (type & CS_POWER_DAC) { - /* - * Power down the DAC on the AC97 card. - */ - - CS_DBGOUT(CS_FUNCTION, 4, - printk(KERN_INFO "cs46xx: cs461x_powerdown()+ DAC\n")); - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (tmp & CS_AC97_POWER_CONTROL_DAC_ON) { - if (!muted) { - cs_mute(card, CS_TRUE); - muted = 1; - } - tmp |= CS_AC97_POWER_CONTROL_DAC; - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp); - /* - * Now, we wait until we sample a ready state. - */ - for (count = 0; count < 32; count++) { - /* - * First, lets wait a short while to let things settle out a - * bit, and to prevent retrying the read too quickly. - */ - udelay(500); - - /* - * Read the current state of the power control register. - */ - if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_DAC_ON)) - break; - } - - /* - * Check the status.. - */ - if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_DAC_ON) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: powerdown DAC failed\n")); - return 1; - } - } - } - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (muted) - cs_mute(card, CS_FALSE); - CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO - "cs46xx: cs461x_powerdown()- 0 tmp=0x%x\n",tmp)); - return 0; -} - -static int cs46xx_powerup(struct cs_card *card, unsigned int type) -{ - int count; - unsigned int tmp = 0, muted = 0; - - CS_DBGOUT(CS_FUNCTION, 8, printk(KERN_INFO - "cs46xx: cs46xx_powerup()+ type=0x%x\n",type)); - /* - * check for VREF and powerup if need to. - */ - if (type & CS_POWER_MIXVON) - type |= CS_POWER_MIXVOFF; - if (type & (CS_POWER_DAC | CS_POWER_ADC)) - type |= CS_POWER_MIXVON | CS_POWER_MIXVOFF; - - /* - * Power up indicated areas. - */ - if (type & CS_POWER_MIXVOFF) { - - CS_DBGOUT(CS_FUNCTION, 4, - printk(KERN_INFO "cs46xx: cs46xx_powerup()+ MIXVOFF\n")); - /* - * Power up the MIXER (VREF ON) on the AC97 card. - */ - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (!(tmp & CS_AC97_POWER_CONTROL_MIXVOFF_ON)) { - if (!muted) { - cs_mute(card, CS_TRUE); - muted = 1; - } - tmp &= ~CS_AC97_POWER_CONTROL_MIXVOFF; - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp ); - /* - * Now, we wait until we sample a ready state. - */ - for (count = 0; count < 32; count++) { - /* - * First, lets wait a short while to let things settle out a - * bit, and to prevent retrying the read too quickly. - */ - udelay(500); - - /* - * Read the current state of the power control register. - */ - if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_MIXVOFF_ON) - break; - } - - /* - * Check the status.. - */ - if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_MIXVOFF_ON)) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: powerup MIXVOFF failed\n")); - return 1; - } - } - } - if(type & CS_POWER_MIXVON) { - - CS_DBGOUT(CS_FUNCTION, 4, - printk(KERN_INFO "cs46xx: cs46xx_powerup()+ MIXVON\n")); - /* - * Power up the MIXER (VREF ON) on the AC97 card. - */ - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (!(tmp & CS_AC97_POWER_CONTROL_MIXVON_ON)) { - if (!muted) { - cs_mute(card, CS_TRUE); - muted = 1; - } - tmp &= ~CS_AC97_POWER_CONTROL_MIXVON; - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp ); - /* - * Now, we wait until we sample a ready state. - */ - for (count = 0; count < 32; count++) { - /* - * First, lets wait a short while to let things settle out a - * bit, and to prevent retrying the read too quickly. - */ - udelay(500); - - /* - * Read the current state of the power control register. - */ - if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_MIXVON_ON) - break; - } - - /* - * Check the status.. - */ - if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_MIXVON_ON)) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: powerup MIXVON failed\n")); - return 1; - } - } - } - if (type & CS_POWER_ADC) { - /* - * Power up the ADC on the AC97 card. - */ - CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO "cs46xx: cs46xx_powerup()+ ADC\n")); - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (!(tmp & CS_AC97_POWER_CONTROL_ADC_ON)) { - if (!muted) { - cs_mute(card, CS_TRUE); - muted = 1; - } - tmp &= ~CS_AC97_POWER_CONTROL_ADC; - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp ); - - /* - * Now, we wait until we sample a ready state. - */ - for (count = 0; count < 32; count++) { - /* - * First, lets wait a short while to let things settle out a - * bit, and to prevent retrying the read too quickly. - */ - udelay(500); - - /* - * Read the current state of the power control register. - */ - if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_ADC_ON) - break; - } - - /* - * Check the status.. - */ - if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_ADC_ON)) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: powerup ADC failed\n")); - return 1; - } - } - } - if (type & CS_POWER_DAC) { - /* - * Power up the DAC on the AC97 card. - */ - - CS_DBGOUT(CS_FUNCTION, 4, - printk(KERN_INFO "cs46xx: cs46xx_powerup()+ DAC\n")); - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (!(tmp & CS_AC97_POWER_CONTROL_DAC_ON)) { - if (!muted) { - cs_mute(card, CS_TRUE); - muted = 1; - } - tmp &= ~CS_AC97_POWER_CONTROL_DAC; - cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp ); - /* - * Now, we wait until we sample a ready state. - */ - for (count = 0; count < 32; count++) { - /* - * First, lets wait a short while to let things settle out a - * bit, and to prevent retrying the read too quickly. - */ - udelay(500); - - /* - * Read the current state of the power control register. - */ - if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_DAC_ON) - break; - } - - /* - * Check the status.. - */ - if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) & - CS_AC97_POWER_CONTROL_DAC_ON)) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING - "cs46xx: powerup DAC failed\n")); - return 1; - } - } - } - tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL); - if (muted) - cs_mute(card, CS_FALSE); - CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO - "cs46xx: cs46xx_powerup()- 0 tmp=0x%x\n",tmp)); - return 0; -} - -static void cs461x_proc_start(struct cs_card *card) -{ - int cnt; - - /* - * Set the frame timer to reflect the number of cycles per frame. - */ - cs461x_poke(card, BA1_FRMT, 0xadf); - /* - * Turn on the run, run at frame, and DMA enable bits in the local copy of - * the SP control register. - */ - cs461x_poke(card, BA1_SPCR, SPCR_RUN | SPCR_RUNFR | SPCR_DRQEN); - /* - * Wait until the run at frame bit resets itself in the SP control - * register. - */ - for (cnt = 0; cnt < 25; cnt++) { - udelay(50); - if (!(cs461x_peek(card, BA1_SPCR) & SPCR_RUNFR)) - break; - } - - if (cs461x_peek(card, BA1_SPCR) & SPCR_RUNFR) - printk(KERN_WARNING "cs46xx: SPCR_RUNFR never reset\n"); -} - -static void cs461x_proc_stop(struct cs_card *card) -{ - /* - * Turn off the run, run at frame, and DMA enable bits in the local copy of - * the SP control register. - */ - cs461x_poke(card, BA1_SPCR, 0); -} - -static int cs_hardware_init(struct cs_card *card) -{ - unsigned long end_time; - unsigned int tmp,count; - - CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO - "cs46xx: cs_hardware_init()+\n") ); - /* - * First, blast the clock control register to zero so that the PLL starts - * out in a known state, and blast the master serial port control register - * to zero so that the serial ports also start out in a known state. - */ - cs461x_pokeBA0(card, BA0_CLKCR1, 0); - cs461x_pokeBA0(card, BA0_SERMC1, 0); - - /* - * If we are in AC97 mode, then we must set the part to a host controlled - * AC-link. Otherwise, we won't be able to bring up the link. - */ - cs461x_pokeBA0(card, BA0_SERACC, SERACC_HSP | SERACC_CODEC_TYPE_1_03); /* 1.03 card */ - /* cs461x_pokeBA0(card, BA0_SERACC, SERACC_HSP | SERACC_CODEC_TYPE_2_0); */ /* 2.00 card */ - - /* - * Drive the ARST# pin low for a minimum of 1uS (as defined in the AC97 - * spec) and then drive it high. This is done for non AC97 modes since - * there might be logic external to the CS461x that uses the ARST# line - * for a reset. - */ - cs461x_pokeBA0(card, BA0_ACCTL, 1); - udelay(50); - cs461x_pokeBA0(card, BA0_ACCTL, 0); - udelay(50); - cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_RSTN); - - /* - * The first thing we do here is to enable sync generation. As soon - * as we start receiving bit clock, we'll start producing the SYNC - * signal. - */ - cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_ESYN | ACCTL_RSTN); - - /* - * Now wait for a short while to allow the AC97 part to start - * generating bit clock (so we don't try to start the PLL without an - * input clock). - */ - mdelay(5 * cs_laptop_wait); /* 1 should be enough ?? (and pigs might fly) */ - - /* - * Set the serial port timing configuration, so that - * the clock control circuit gets its clock from the correct place. - */ - cs461x_pokeBA0(card, BA0_SERMC1, SERMC1_PTC_AC97); - - /* - * The part seems to not be ready for a while after a resume. - * so, if we are resuming, then wait for 700 mils. Note that 600 mils - * is not enough for some platforms! tested on an IBM Thinkpads and - * reference cards. - */ - if (!(card->pm.flags & CS46XX_PM_IDLE)) - mdelay(initdelay); - /* - * Write the selected clock control setup to the hardware. Do not turn on - * SWCE yet (if requested), so that the devices clocked by the output of - * PLL are not clocked until the PLL is stable. - */ - cs461x_pokeBA0(card, BA0_PLLCC, PLLCC_LPF_1050_2780_KHZ | PLLCC_CDR_73_104_MHZ); - cs461x_pokeBA0(card, BA0_PLLM, 0x3a); - cs461x_pokeBA0(card, BA0_CLKCR2, CLKCR2_PDIVS_8); - - /* - * Power up the PLL. - */ - cs461x_pokeBA0(card, BA0_CLKCR1, CLKCR1_PLLP); - - /* - * Wait until the PLL has stabilized. - */ - mdelay(5 * cs_laptop_wait); /* Again 1 should be enough ?? */ - - /* - * Turn on clocking of the core so that we can setup the serial ports. - */ - tmp = cs461x_peekBA0(card, BA0_CLKCR1) | CLKCR1_SWCE; - cs461x_pokeBA0(card, BA0_CLKCR1, tmp); - - /* - * Fill the serial port FIFOs with silence. - */ - cs461x_clear_serial_FIFOs(card,CS_TYPE_DAC | CS_TYPE_ADC); - - /* - * Set the serial port FIFO pointer to the first sample in the FIFO. - */ - /* cs461x_pokeBA0(card, BA0_SERBSP, 0); */ - - /* - * Write the serial port configuration to the part. The master - * enable bit is not set until all other values have been written. - */ - cs461x_pokeBA0(card, BA0_SERC1, SERC1_SO1F_AC97 | SERC1_SO1EN); - cs461x_pokeBA0(card, BA0_SERC2, SERC2_SI1F_AC97 | SERC1_SO1EN); - cs461x_pokeBA0(card, BA0_SERMC1, SERMC1_PTC_AC97 | SERMC1_MSPE); - - - mdelay(5 * cs_laptop_wait); /* Shouldnt be needed ?? */ - -/* -* If we are resuming under 2.2.x then we cannot schedule a timeout, -* so just spin the CPU. -*/ - if (card->pm.flags & CS46XX_PM_IDLE) { - /* - * Wait for the card ready signal from the AC97 card. - */ - end_time = jiffies + 3 * (HZ >> 2); - do { - /* - * Read the AC97 status register to see if we've seen a CODEC READY - * signal from the AC97 card. - */ - if (cs461x_peekBA0(card, BA0_ACSTS) & ACSTS_CRDY) - break; - current->state = TASK_UNINTERRUPTIBLE; - schedule_timeout(1); - } while (time_before(jiffies, end_time)); - } else { - for (count = 0; count < 100; count++) { - // First, we want to wait for a short time. - udelay(25 * cs_laptop_wait); - - if (cs461x_peekBA0(card, BA0_ACSTS) & ACSTS_CRDY) - break; - } - } - - /* - * Make sure CODEC is READY. - */ - if (!(cs461x_peekBA0(card, BA0_ACSTS) & ACSTS_CRDY)) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_WARNING - "cs46xx: create - never read card ready from AC'97\n")); - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_WARNING - "cs46xx: probably not a bug, try using the CS4232 driver,\n")); - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_WARNING - "cs46xx: or turn off any automatic Power Management support in the BIOS.\n")); - return -EIO; - } - - /* - * Assert the vaid frame signal so that we can start sending commands - * to the AC97 card. - */ - cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN); - - if (card->pm.flags & CS46XX_PM_IDLE) { - /* - * Wait until we've sampled input slots 3 and 4 as valid, meaning that - * the card is pumping ADC data across the AC-link. - */ - end_time = jiffies + 3 * (HZ >> 2); - do { - /* - * Read the input slot valid register and see if input slots 3 and - * 4 are valid yet. - */ - if ((cs461x_peekBA0(card, BA0_ACISV) & (ACISV_ISV3 | ACISV_ISV4)) == (ACISV_ISV3 | ACISV_ISV4)) - break; - current->state = TASK_UNINTERRUPTIBLE; - schedule_timeout(1); - } while (time_before(jiffies, end_time)); - } else { - for (count = 0; count < 100; count++) { - // First, we want to wait for a short time. - udelay(25 * cs_laptop_wait); - - if ((cs461x_peekBA0(card, BA0_ACISV) & (ACISV_ISV3 | ACISV_ISV4)) == (ACISV_ISV3 | ACISV_ISV4)) - break; - } - } - /* - * Make sure input slots 3 and 4 are valid. If not, then return - * an error. - */ - if ((cs461x_peekBA0(card, BA0_ACISV) & (ACISV_ISV3 | ACISV_ISV4)) != (ACISV_ISV3 | ACISV_ISV4)) { - printk(KERN_WARNING "cs46xx: create - never read ISV3 & ISV4 from AC'97\n"); - return -EIO; - } - - /* - * Now, assert valid frame and the slot 3 and 4 valid bits. This will - * commense the transfer of digital audio data to the AC97 card. - */ - cs461x_pokeBA0(card, BA0_ACOSV, ACOSV_SLV3 | ACOSV_SLV4); - - /* - * Turn off the Processor by turning off the software clock enable flag in - * the clock control register. - */ - /* tmp = cs461x_peekBA0(card, BA0_CLKCR1) & ~CLKCR1_SWCE; */ - /* cs461x_pokeBA0(card, BA0_CLKCR1, tmp); */ - - /* - * Reset the processor. - */ - cs461x_reset(card); - - /* - * Download the image to the processor. - */ - - cs461x_download_image(card); - - /* - * Stop playback DMA. - */ - tmp = cs461x_peek(card, BA1_PCTL); - card->pctl = tmp & 0xffff0000; - cs461x_poke(card, BA1_PCTL, tmp & 0x0000ffff); - - /* - * Stop capture DMA. - */ - tmp = cs461x_peek(card, BA1_CCTL); - card->cctl = tmp & 0x0000ffff; - cs461x_poke(card, BA1_CCTL, tmp & 0xffff0000); - - /* initialize AC97 codec and register /dev/mixer */ - if (card->pm.flags & CS46XX_PM_IDLE) { - if (cs_ac97_init(card) <= 0) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO - "cs46xx: cs_ac97_init() failure\n")); - return -EIO; - } - } else { - cs46xx_ac97_resume(card); - } - - cs461x_proc_start(card); - - /* - * Enable interrupts on the part. - */ - cs461x_pokeBA0(card, BA0_HICR, HICR_IEV | HICR_CHGM); - - tmp = cs461x_peek(card, BA1_PFIE); - tmp &= ~0x0000f03f; - cs461x_poke(card, BA1_PFIE, tmp); /* playback interrupt enable */ - - tmp = cs461x_peek(card, BA1_CIE); - tmp &= ~0x0000003f; - tmp |= 0x00000001; - cs461x_poke(card, BA1_CIE, tmp); /* capture interrupt enable */ - - /* - * If IDLE then Power down the part. We will power components up - * when we need them. - */ - if (card->pm.flags & CS46XX_PM_IDLE) { - if (!cs_powerdown) { - if ((tmp = cs46xx_powerup(card, CS_POWER_DAC | CS_POWER_ADC | - CS_POWER_MIXVON))) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO - "cs46xx: cs461x_powerup() failure (0x%x)\n",tmp) ); - return -EIO; - } - } else { - if ((tmp = cs461x_powerdown(card, CS_POWER_DAC | CS_POWER_ADC | - CS_POWER_MIXVON, CS_FALSE))) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO - "cs46xx: cs461x_powerdown() failure (0x%x)\n",tmp) ); - return -EIO; - } - } - } - CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO - "cs46xx: cs_hardware_init()- 0\n")); - return 0; -} - -/* install the driver, we do not allocate hardware channel nor DMA buffer now, they are defered - until "ACCESS" time (in prog_dmabuf called by open/read/write/ioctl/mmap) */ - -/* - * Card subid table - */ - -struct cs_card_type -{ - u16 vendor; - u16 id; - char *name; - void (*amp)(struct cs_card *, int); - void (*amp_init)(struct cs_card *); - void (*active)(struct cs_card *, int); -}; - -static struct cs_card_type cards[] = { - { - .vendor = 0x1489, - .id = 0x7001, - .name = "Genius Soundmaker 128 value", - .amp = amp_none, - }, - { - .vendor = 0x5053, - .id = 0x3357, - .name = "Voyetra", - .amp = amp_voyetra, - }, - { - .vendor = 0x1071, - .id = 0x6003, - .name = "Mitac MI6020/21", - .amp = amp_voyetra, - }, - { - .vendor = 0x14AF, - .id = 0x0050, - .name = "Hercules Game Theatre XP", - .amp = amp_hercules, - }, - { - .vendor = 0x1681, - .id = 0x0050, - .name = "Hercules Game Theatre XP", - .amp = amp_hercules, - }, - { - .vendor = 0x1681, - .id = 0x0051, - .name = "Hercules Game Theatre XP", - .amp = amp_hercules, - }, - { - .vendor = 0x1681, - .id = 0x0052, - .name = "Hercules Game Theatre XP", - .amp = amp_hercules, - }, - { - .vendor = 0x1681, - .id = 0x0053, - .name = "Hercules Game Theatre XP", - .amp = amp_hercules, - }, - { - .vendor = 0x1681, - .id = 0x0054, - .name = "Hercules Game Theatre XP", - .amp = amp_hercules, - }, - { - .vendor = 0x1681, - .id = 0xa010, - .name = "Hercules Fortissimo II", - .amp = amp_none, - }, - /* Not sure if the 570 needs the clkrun hack */ - { - .vendor = PCI_VENDOR_ID_IBM, - .id = 0x0132, - .name = "Thinkpad 570", - .amp = amp_none, - .active = clkrun_hack, - }, - { - .vendor = PCI_VENDOR_ID_IBM, - .id = 0x0153, - .name = "Thinkpad 600X/A20/T20", - .amp = amp_none, - .active = clkrun_hack, - }, - { - .vendor = PCI_VENDOR_ID_IBM, - .id = 0x1010, - .name = "Thinkpad 600E (unsupported)", - }, - { - .name = "Card without SSID set", - }, - { 0, }, -}; - -MODULE_AUTHOR("Alan Cox <alan@redhat.com>, Jaroslav Kysela, <pcaudio@crystal.cirrus.com>"); -MODULE_DESCRIPTION("Crystal SoundFusion Audio Support"); -MODULE_LICENSE("GPL"); - -static const char cs46xx_banner[] = KERN_INFO "Crystal 4280/46xx + AC97 Audio, version " CS46XX_MAJOR_VERSION "." CS46XX_MINOR_VERSION "." CS46XX_ARCH ", " __TIME__ " " __DATE__ "\n"; -static const char fndmsg[] = KERN_INFO "cs46xx: Found %d audio device(s).\n"; - -static int __devinit cs46xx_probe(struct pci_dev *pci_dev, - const struct pci_device_id *pciid) -{ - int i, j; - u16 ss_card, ss_vendor; - struct cs_card *card; - dma_addr_t dma_mask; - struct cs_card_type *cp = &cards[0]; - - CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, - printk(KERN_INFO "cs46xx: probe()+\n")); - - dma_mask = 0xffffffff; /* this enables playback and recording */ - if (pci_enable_device(pci_dev)) { - CS_DBGOUT(CS_INIT | CS_ERROR, 1, printk(KERN_ERR - "cs46xx: pci_enable_device() failed\n")); - return -1; - } - if (!RSRCISMEMORYREGION(pci_dev, 0) || - !RSRCISMEMORYREGION(pci_dev, 1)) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR - "cs46xx: probe()- Memory region not assigned\n")); - return -1; - } - if (pci_dev->irq == 0) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR - "cs46xx: probe() IRQ not assigned\n")); - return -1; - } - if (!pci_dma_supported(pci_dev, 0xffffffff)) { - CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR - "cs46xx: probe() architecture does not support 32bit PCI busmaster DMA\n")); - return -1; - } - pci_read_config_word(pci_dev, PCI_SUBSYSTEM_VENDOR_ID, &ss_vendor); - pci_read_config_word(pci_dev, PCI_SUBSYSTEM_ID, &ss_card); - - if ((card = kzalloc(sizeof(struct cs_card), GFP_KERNEL)) == NULL) { - printk(KERN_ERR "cs46xx: out of memory\n"); - return -ENOMEM; - } - card->ba0_addr = RSRCADDRESS(pci_dev, 0); - card->ba1_addr = RSRCADDRESS(pci_dev, 1); - card->pci_dev = pci_dev; - card->irq = pci_dev->irq; - card->magic = CS_CARD_MAGIC; - spin_lock_init(&card->lock); - spin_lock_init(&card->ac97_lock); - - pci_set_master(pci_dev); - - printk(cs46xx_banner); - printk(KERN_INFO "cs46xx: Card found at 0x%08lx and 0x%08lx, IRQ %d\n", - card->ba0_addr, card->ba1_addr, card->irq); - - card->alloc_pcm_channel = cs_alloc_pcm_channel; - card->alloc_rec_pcm_channel = cs_alloc_rec_pcm_channel; - card->free_pcm_channel = cs_free_pcm_channel; - card->amplifier_ctrl = amp_none; - card->active_ctrl = amp_none; - - while (cp->name) - { - if (cp->vendor == ss_vendor && cp->id == ss_card) { - card->amplifier_ctrl = cp->amp; - if (cp->active) - card->active_ctrl = cp->active; - if (cp->amp_init) - card->amp_init = cp->amp_init; - break; - } - cp++; - } - if (cp->name == NULL) { - printk(KERN_INFO "cs46xx: Unknown card (%04X:%04X) at 0x%08lx/0x%08lx, IRQ %d\n", - ss_vendor, ss_card, card->ba0_addr, card->ba1_addr, card->irq); - } else { - printk(KERN_INFO "cs46xx: %s (%04X:%04X) at 0x%08lx/0x%08lx, IRQ %d\n", - cp->name, ss_vendor, ss_card, card->ba0_addr, card->ba1_addr, card->irq); - } - - if (card->amplifier_ctrl == NULL) { - card->amplifier_ctrl = amp_none; - card->active_ctrl = clkrun_hack; - } - - if (external_amp == 1) { - printk(KERN_INFO "cs46xx: Crystal EAPD support forced on.\n"); - card->amplifier_ctrl = amp_voyetra; - } - - if (thinkpad == 1) { - printk(KERN_INFO "cs46xx: Activating CLKRUN hack for Thinkpad.\n"); - card->active_ctrl = clkrun_hack; - } -/* -* The thinkpads don't work well without runtime updating on their kernel -* delay values (or any laptop with variable CPU speeds really). -* so, just to be safe set the init delay to 2100. Eliminates -* failures on T21 Thinkpads. remove this code when the udelay -* and mdelay kernel code is replaced by a pm timer, or the delays -* work well for battery and/or AC power both. -*/ - if (card->active_ctrl == clkrun_hack) { - initdelay = 2100; - cs_laptop_wait = 5; - } - if ((card->active_ctrl == clkrun_hack) && !(powerdown == 1)) { -/* -* for some currently unknown reason, powering down the DAC and ADC component -* blocks on thinkpads causes some funky behavior... distoorrrtion and ac97 -* codec access problems. probably the serial clock becomes unsynced. -* added code to sync the chips back up, but only helped about 70% the time. -*/ - cs_powerdown = 0; - } - if (powerdown == 0) - cs_powerdown = 0; - card->active_ctrl(card, 1); - - /* claim our iospace and irq */ - - card->ba0 = ioremap_nocache(card->ba0_addr, CS461X_BA0_SIZE); - card->ba1.name.data0 = ioremap_nocache(card->ba1_addr + BA1_SP_DMEM0, CS461X_BA1_DATA0_SIZE); - card->ba1.name.data1 = ioremap_nocache(card->ba1_addr + BA1_SP_DMEM1, CS461X_BA1_DATA1_SIZE); - card->ba1.name.pmem = ioremap_nocache(card->ba1_addr + BA1_SP_PMEM, CS461X_BA1_PRG_SIZE); - card->ba1.name.reg = ioremap_nocache(card->ba1_addr + BA1_SP_REG, CS461X_BA1_REG_SIZE); - - CS_DBGOUT(CS_INIT, 4, printk(KERN_INFO - "cs46xx: card=%p card->ba0=%p\n",card,card->ba0) ); - CS_DBGOUT(CS_INIT, 4, printk(KERN_INFO - "cs46xx: card->ba1=%p %p %p %p\n", - card->ba1.name.data0, - card->ba1.name.data1, - card->ba1.name.pmem, - card->ba1.name.reg) ); - - if (card->ba0 == 0 || card->ba1.name.data0 == 0 || - card->ba1.name.data1 == 0 || card->ba1.name.pmem == 0 || - card->ba1.name.reg == 0) - goto fail2; - - if (request_irq(card->irq, &cs_interrupt, IRQF_SHARED, "cs46xx", card)) { - printk(KERN_ERR "cs46xx: unable to allocate irq %d\n", card->irq); - goto fail2; - } - /* register /dev/dsp */ - if ((card->dev_audio = register_sound_dsp(&cs461x_fops, -1)) < 0) { - printk(KERN_ERR "cs46xx: unable to register dsp\n"); - goto fail; - } - - /* register /dev/midi */ - if ((card->dev_midi = register_sound_midi(&cs_midi_fops, -1)) < 0) - printk(KERN_ERR "cs46xx: unable to register midi\n"); - - card->pm.flags |= CS46XX_PM_IDLE; - for (i = 0; i < 5; i++) { - if (cs_hardware_init(card) != 0) { - CS_DBGOUT(CS_ERROR, 4, printk( - "cs46xx: ERROR in cs_hardware_init()... retrying\n")); - for (j = 0; j < NR_AC97; j++) - if (card->ac97_codec[j] != NULL) { - unregister_sound_mixer(card->ac97_codec[j]->dev_mixer); - ac97_release_codec(card->ac97_codec[j]); - } - mdelay(10 * cs_laptop_wait); - continue; - } - break; - } - if(i >= 4) { - CS_DBGOUT(CS_PM | CS_ERROR, 1, printk( - "cs46xx: cs46xx_probe()- cs_hardware_init() failed, retried %d times.\n",i)); - unregister_sound_dsp(card->dev_audio); - if (card->dev_midi) - unregister_sound_midi(card->dev_midi); - goto fail; - } - - init_waitqueue_head(&card->midi.open_wait); - mutex_init(&card->midi.open_mutex); - init_waitqueue_head(&card->midi.iwait); - init_waitqueue_head(&card->midi.owait); - cs461x_pokeBA0(card, BA0_MIDCR, MIDCR_MRST); - cs461x_pokeBA0(card, BA0_MIDCR, 0); - - /* - * Check if we have to init the amplifier, but probably already done - * since the CD logic in the ac97 init code will turn on the ext amp. - */ - if (cp->amp_init) - cp->amp_init(card); - card->active_ctrl(card, -1); - - PCI_SET_DRIVER_DATA(pci_dev, card); - PCI_SET_DMA_MASK(pci_dev, dma_mask); - list_add(&card->list, &cs46xx_devs); - - CS_DBGOUT(CS_PM, 9, printk(KERN_INFO "cs46xx: pm.flags=0x%x card=%p\n", - (unsigned)card->pm.flags,card)); - - CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, printk(KERN_INFO - "cs46xx: probe()- device allocated successfully\n")); - return 0; - -fail: - free_irq(card->irq, card); -fail2: - if (card->ba0) - iounmap(card->ba0); - if (card->ba1.name.data0) - iounmap(card->ba1.name.data0); - if (card->ba1.name.data1) - iounmap(card->ba1.name.data1); - if (card->ba1.name.pmem) - iounmap(card->ba1.name.pmem); - if (card->ba1.name.reg) - iounmap(card->ba1.name.reg); - kfree(card); - CS_DBGOUT(CS_INIT | CS_ERROR, 1, printk(KERN_INFO - "cs46xx: probe()- no device allocated\n")); - return -ENODEV; -} // probe_cs46xx - -// --------------------------------------------------------------------- - -static void __devexit cs46xx_remove(struct pci_dev *pci_dev) -{ - struct cs_card *card = PCI_GET_DRIVER_DATA(pci_dev); - int i; - unsigned int tmp; - - CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, printk(KERN_INFO - "cs46xx: cs46xx_remove()+\n")); - - card->active_ctrl(card,1); - - tmp = cs461x_peek(card, BA1_PFIE); - tmp &= ~0x0000f03f; - tmp |= 0x00000010; - cs461x_poke(card, BA1_PFIE, tmp); /* playback interrupt disable */ - - tmp = cs461x_peek(card, BA1_CIE); - tmp &= ~0x0000003f; - tmp |= 0x00000011; - cs461x_poke(card, BA1_CIE, tmp); /* capture interrupt disable */ - - /* - * Stop playback DMA. - */ - tmp = cs461x_peek(card, BA1_PCTL); - cs461x_poke(card, BA1_PCTL, tmp & 0x0000ffff); - - /* - * Stop capture DMA. - */ - tmp = cs461x_peek(card, BA1_CCTL); - cs461x_poke(card, BA1_CCTL, tmp & 0xffff0000); - - /* - * Reset the processor. - */ - cs461x_reset(card); - - cs461x_proc_stop(card); - - /* - * Power down the DAC and ADC. We will power them up (if) when we need - * them. - */ - if ((tmp = cs461x_powerdown(card, CS_POWER_DAC | CS_POWER_ADC | - CS_POWER_MIXVON, CS_TRUE))) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO - "cs46xx: cs461x_powerdown() failure (0x%x)\n",tmp) ); - } - - /* - * Power down the PLL. - */ - cs461x_pokeBA0(card, BA0_CLKCR1, 0); - - /* - * Turn off the Processor by turning off the software clock enable flag in - * the clock control register. - */ - tmp = cs461x_peekBA0(card, BA0_CLKCR1) & ~CLKCR1_SWCE; - cs461x_pokeBA0(card, BA0_CLKCR1, tmp); - - card->active_ctrl(card,-1); - - /* free hardware resources */ - free_irq(card->irq, card); - iounmap(card->ba0); - iounmap(card->ba1.name.data0); - iounmap(card->ba1.name.data1); - iounmap(card->ba1.name.pmem); - iounmap(card->ba1.name.reg); - - /* unregister audio devices */ - for (i = 0; i < NR_AC97; i++) - if (card->ac97_codec[i] != NULL) { - unregister_sound_mixer(card->ac97_codec[i]->dev_mixer); - ac97_release_codec(card->ac97_codec[i]); - } - unregister_sound_dsp(card->dev_audio); - if (card->dev_midi) - unregister_sound_midi(card->dev_midi); - list_del(&card->list); - kfree(card); - PCI_SET_DRIVER_DATA(pci_dev,NULL); - - CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, printk(KERN_INFO - "cs46xx: cs46xx_remove()-: remove successful\n")); -} - -enum { - CS46XX_4610 = 0, - CS46XX_4612, /* same as 4630 */ - CS46XX_4615, /* same as 4624 */ -}; - -static struct pci_device_id cs46xx_pci_tbl[] = { - { - .vendor = PCI_VENDOR_ID_CIRRUS, - .device = PCI_DEVICE_ID_CIRRUS_4610, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - .driver_data = CS46XX_4610, - }, - { - .vendor = PCI_VENDOR_ID_CIRRUS, - .device = PCI_DEVICE_ID_CIRRUS_4612, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - .driver_data = CS46XX_4612, - }, - { - .vendor = PCI_VENDOR_ID_CIRRUS, - .device = PCI_DEVICE_ID_CIRRUS_4615, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - .driver_data = CS46XX_4615, - }, - { 0, }, -}; - -MODULE_DEVICE_TABLE(pci, cs46xx_pci_tbl); - -static struct pci_driver cs46xx_pci_driver = { - .name = "cs46xx", - .id_table = cs46xx_pci_tbl, - .probe = cs46xx_probe, - .remove = __devexit_p(cs46xx_remove), -#ifdef CONFIG_PM - .suspend = cs46xx_suspend_tbl, - .resume = cs46xx_resume_tbl, -#endif -}; - -static int __init cs46xx_init_module(void) -{ - int rtn = 0; - CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, printk(KERN_INFO - "cs46xx: cs46xx_init_module()+ \n")); - rtn = pci_register_driver(&cs46xx_pci_driver); - - if (rtn == -ENODEV) { - CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk( - "cs46xx: Unable to detect valid cs46xx device\n")); - } - - CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, - printk(KERN_INFO "cs46xx: cs46xx_init_module()- (%d)\n",rtn)); - return rtn; -} - -static void __exit cs46xx_cleanup_module(void) -{ - pci_unregister_driver(&cs46xx_pci_driver); - CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, - printk(KERN_INFO "cs46xx: cleanup_cs46xx() finished\n")); -} - -module_init(cs46xx_init_module); -module_exit(cs46xx_cleanup_module); - -#ifdef CONFIG_PM -static int cs46xx_suspend_tbl(struct pci_dev *pcidev, pm_message_t state) -{ - struct cs_card *s = PCI_GET_DRIVER_DATA(pcidev); - CS_DBGOUT(CS_PM | CS_FUNCTION, 2, - printk(KERN_INFO "cs46xx: cs46xx_suspend_tbl request\n")); - cs46xx_suspend(s, state); - return 0; -} - -static int cs46xx_resume_tbl(struct pci_dev *pcidev) -{ - struct cs_card *s = PCI_GET_DRIVER_DATA(pcidev); - CS_DBGOUT(CS_PM | CS_FUNCTION, 2, - printk(KERN_INFO "cs46xx: cs46xx_resume_tbl request\n")); - cs46xx_resume(s); - return 0; -} -#endif |