diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/azt3328.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/azt3328.c | 2895 |
1 files changed, 0 insertions, 2895 deletions
diff --git a/ANDROID_3.4.5/sound/pci/azt3328.c b/ANDROID_3.4.5/sound/pci/azt3328.c deleted file mode 100644 index 496f14c1..00000000 --- a/ANDROID_3.4.5/sound/pci/azt3328.c +++ /dev/null @@ -1,2895 +0,0 @@ -/* azt3328.c - driver for Aztech AZF3328 based soundcards (e.g. PCI168). - * Copyright (C) 2002, 2005 - 2011 by Andreas Mohr <andi AT lisas.de> - * - * Framework borrowed from Bart Hartgers's als4000.c. - * Driver developed on PCI168 AP(W) version (PCI rev. 10, subsystem ID 1801), - * found in a Fujitsu-Siemens PC ("Cordant", aluminum case). - * Other versions are: - * PCI168 A(W), sub ID 1800 - * PCI168 A/AP, sub ID 8000 - * Please give me feedback in case you try my driver with one of these!! - * - * Keywords: Windows XP Vista 168nt4-125.zip 168win95-125.zip PCI 168 download - * (XP/Vista do not support this card at all but every Linux distribution - * has very good support out of the box; - * just to make sure that the right people hit this and get to know that, - * despite the high level of Internet ignorance - as usual :-P - - * about very good support for this card - on Linux!) - * - * GPL LICENSE - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * NOTES - * Since Aztech does not provide any chipset documentation, - * even on repeated request to various addresses, - * and the answer that was finally given was negative - * (and I was stupid enough to manage to get hold of a PCI168 soundcard - * in the first place >:-P}), - * I was forced to base this driver on reverse engineering - * (3 weeks' worth of evenings filled with driver work). - * (and no, I did NOT go the easy way: to pick up a SB PCI128 for 9 Euros) - * - * It is quite likely that the AZF3328 chip is the PCI cousin of the - * AZF3318 ("azt1020 pnp", "MM Pro 16") ISA chip, given very similar specs. - * - * The AZF3328 chip (note: AZF3328, *not* AZT3328, that's just the driver name - * for compatibility reasons) from Azfin (joint-venture of Aztech and Fincitec, - * Fincitec acquired by National Semiconductor in 2002, together with the - * Fincitec-related company ARSmikro) has the following features: - * - * - compatibility & compliance: - * - Microsoft PC 97 ("PC 97 Hardware Design Guide", - * http://www.microsoft.com/whdc/archive/pcguides.mspx) - * - Microsoft PC 98 Baseline Audio - * - MPU401 UART - * - Sound Blaster Emulation (DOS Box) - * - builtin AC97 conformant codec (SNR over 80dB) - * Note that "conformant" != "compliant"!! this chip's mixer register layout - * *differs* from the standard AC97 layout: - * they chose to not implement the headphone register (which is not a - * problem since it's merely optional), yet when doing this, they committed - * the grave sin of letting other registers follow immediately instead of - * keeping a headphone dummy register, thereby shifting the mixer register - * addresses illegally. So far unfortunately it looks like the very flexible - * ALSA AC97 support is still not enough to easily compensate for such a - * grave layout violation despite all tweaks and quirks mechanisms it offers. - * Well, not quite: now ac97 layer is much improved (bus-specific ops!), - * thus I was able to implement support - it's actually working quite well. - * An interesting item might be Aztech AMR 2800-W, since it's an AC97 - * modem card which might reveal the Aztech-specific codec ID which - * we might want to pretend, too. Dito PCI168's brother, PCI368, - * where the advertising datasheet says it's AC97-based and has a - * Digital Enhanced Game Port. - * - builtin genuine OPL3 - verified to work fine, 20080506 - * - full duplex 16bit playback/record at independent sampling rate - * - MPU401 (+ legacy address support, claimed by one official spec sheet) - * FIXME: how to enable legacy addr?? - * - game port (legacy address support) - * - builtin DirectInput support, helps reduce CPU overhead (interrupt-driven - * features supported). - See common term "Digital Enhanced Game Port"... - * (probably DirectInput 3.0 spec - confirm) - * - builtin 3D enhancement (said to be YAMAHA Ymersion) - * - built-in General DirectX timer having a 20 bits counter - * with 1us resolution (see below!) - * - I2S serial output port for external DAC - * [FIXME: 3.3V or 5V level? maximum rate is 66.2kHz right?] - * - supports 33MHz PCI spec 2.1, PCI power management 1.0, compliant with ACPI - * - supports hardware volume control - * - single chip low cost solution (128 pin QFP) - * - supports programmable Sub-vendor and Sub-system ID [24C02 SEEPROM chip] - * required for Microsoft's logo compliance (FIXME: where?) - * At least the Trident 4D Wave DX has one bit somewhere - * to enable writes to PCI subsystem VID registers, that should be it. - * This might easily be in extended PCI reg space, since PCI168 also has - * some custom data starting at 0x80. What kind of config settings - * are located in our extended PCI space anyway?? - * - PCI168 AP(W) card: power amplifier with 4 Watts/channel at 4 Ohms - * [TDA1517P chip] - * - * Note that this driver now is actually *better* than the Windows driver, - * since it additionally supports the card's 1MHz DirectX timer - just try - * the following snd-seq module parameters etc.: - * - options snd-seq seq_default_timer_class=2 seq_default_timer_sclass=0 - * seq_default_timer_card=0 seq_client_load=1 seq_default_timer_device=0 - * seq_default_timer_subdevice=0 seq_default_timer_resolution=1000000 - * - "timidity -iAv -B2,8 -Os -EFreverb=0" - * - "pmidi -p 128:0 jazz.mid" - * - * OPL3 hardware playback testing, try something like: - * cat /proc/asound/hwdep - * and - * aconnect -o - * Then use - * sbiload -Dhw:x,y --opl3 /usr/share/sounds/opl3/std.o3 ......./drums.o3 - * where x,y is the xx-yy number as given in hwdep. - * Then try - * pmidi -p a:b jazz.mid - * where a:b is the client number plus 0 usually, as given by aconnect above. - * Oh, and make sure to unmute the FM mixer control (doh!) - * NOTE: power use during OPL3 playback is _VERY_ high (70W --> 90W!) - * despite no CPU activity, possibly due to hindering ACPI idling somehow. - * Shouldn't be a problem of the AZF3328 chip itself, I'd hope. - * Higher PCM / FM mixer levels seem to conflict (causes crackling), - * at least sometimes. Maybe even use with hardware sequencer timer above :) - * adplay/adplug-utils might soon offer hardware-based OPL3 playback, too. - * - * Certain PCI versions of this card are susceptible to DMA traffic underruns - * in some systems (resulting in sound crackling/clicking/popping), - * probably because they don't have a DMA FIFO buffer or so. - * Overview (PCI ID/PCI subID/PCI rev.): - * - no DMA crackling on SiS735: 0x50DC/0x1801/16 - * - unknown performance: 0x50DC/0x1801/10 - * (well, it's not bad on an Athlon 1800 with now very optimized IRQ handler) - * - * Crackling happens with VIA chipsets or, in my case, an SiS735, which is - * supposed to be very fast and supposed to get rid of crackling much - * better than a VIA, yet ironically I still get crackling, like many other - * people with the same chipset. - * Possible remedies: - * - use speaker (amplifier) output instead of headphone output - * (in case crackling is due to overloaded output clipping) - * - plug card into a different PCI slot, preferably one that isn't shared - * too much (this helps a lot, but not completely!) - * - get rid of PCI VGA card, use AGP instead - * - upgrade or downgrade BIOS - * - fiddle with PCI latency settings (setpci -v -s BUSID latency_timer=XX) - * Not too helpful. - * - Disable ACPI/power management/"Auto Detect RAM/PCI Clk" in BIOS - * - * BUGS - * - full-duplex might *still* be problematic, however a recent test was fine - * - (non-bug) "Bass/Treble or 3D settings don't work" - they do get evaluated - * if you set PCM output switch to "pre 3D" instead of "post 3D". - * If this can't be set, then get a mixer application that Isn't Stupid (tm) - * (e.g. kmix, gamix) - unfortunately several are!! - * - locking is not entirely clean, especially the audio stream activity - * ints --> may be racy - * - an _unconnected_ secondary joystick at the gameport will be reported - * to be "active" (floating values, not precisely -1) due to the way we need - * to read the Digital Enhanced Game Port. Not sure whether it is fixable. - * - * TODO - * - use PCI_VDEVICE - * - verify driver status on x86_64 - * - test multi-card driver operation - * - (ab)use 1MHz DirectX timer as kernel clocksource - * - test MPU401 MIDI playback etc. - * - add more power micro-management (disable various units of the card - * as long as they're unused, to improve audio quality and save power). - * However this requires more I/O ports which I haven't figured out yet - * and which thus might not even exist... - * The standard suspend/resume functionality could probably make use of - * some improvement, too... - * - figure out what all unknown port bits are responsible for - * - figure out some cleverly evil scheme to possibly make ALSA AC97 code - * fully accept our quite incompatible ""AC97"" mixer and thus save some - * code (but I'm not too optimistic that doing this is possible at all) - * - use MMIO (memory-mapped I/O)? Slightly faster access, e.g. for gameport. - */ - -#include <asm/io.h> -#include <linux/init.h> -#include <linux/bug.h> /* WARN_ONCE */ -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/gameport.h> -#include <linux/module.h> -#include <linux/dma-mapping.h> -#include <sound/core.h> -#include <sound/control.h> -#include <sound/pcm.h> -#include <sound/rawmidi.h> -#include <sound/mpu401.h> -#include <sound/opl3.h> -#include <sound/initval.h> -/* - * Config switch, to use ALSA's AC97 layer instead of old custom mixer crap. - * If the AC97 compatibility parts we needed to implement locally turn out - * to work nicely, then remove the old implementation eventually. - */ -#define AZF_USE_AC97_LAYER 1 - -#ifdef AZF_USE_AC97_LAYER -#include <sound/ac97_codec.h> -#endif -#include "azt3328.h" - -MODULE_AUTHOR("Andreas Mohr <andi AT lisas.de>"); -MODULE_DESCRIPTION("Aztech AZF3328 (PCI168)"); -MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("{{Aztech,AZF3328}}"); - -#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) -#define SUPPORT_GAMEPORT 1 -#endif - -/* === Debug settings === - Further diagnostic functionality than the settings below - does not need to be provided, since one can easily write a POSIX shell script - to dump the card's I/O ports (those listed in lspci -v -v): - dump() - { - local descr=$1; local addr=$2; local count=$3 - - echo "${descr}: ${count} @ ${addr}:" - dd if=/dev/port skip=`printf %d ${addr}` count=${count} bs=1 \ - 2>/dev/null| hexdump -C - } - and then use something like - "dump joy200 0x200 8", "dump mpu388 0x388 4", "dump joy 0xb400 8", - "dump codec00 0xa800 32", "dump mixer 0xb800 64", "dump synth 0xbc00 8", - possibly within a "while true; do ... sleep 1; done" loop. - Tweaking ports could be done using - VALSTRING="`printf "%02x" $value`" - printf "\x""$VALSTRING"|dd of=/dev/port seek=`printf %d ${addr}` bs=1 \ - 2>/dev/null -*/ - -#define DEBUG_MISC 0 -#define DEBUG_CALLS 0 -#define DEBUG_MIXER 0 -#define DEBUG_CODEC 0 -#define DEBUG_TIMER 0 -#define DEBUG_GAME 0 -#define DEBUG_PM 0 -#define MIXER_TESTING 0 - -#if DEBUG_MISC -#define snd_azf3328_dbgmisc(format, args...) printk(KERN_DEBUG format, ##args) -#else -#define snd_azf3328_dbgmisc(format, args...) -#endif - -#if DEBUG_CALLS -#define snd_azf3328_dbgcalls(format, args...) printk(format, ##args) -#define snd_azf3328_dbgcallenter() printk(KERN_DEBUG "--> %s\n", __func__) -#define snd_azf3328_dbgcallleave() printk(KERN_DEBUG "<-- %s\n", __func__) -#else -#define snd_azf3328_dbgcalls(format, args...) -#define snd_azf3328_dbgcallenter() -#define snd_azf3328_dbgcallleave() -#endif - -#if DEBUG_MIXER -#define snd_azf3328_dbgmixer(format, args...) printk(KERN_DEBUG format, ##args) -#else -#define snd_azf3328_dbgmixer(format, args...) -#endif - -#if DEBUG_CODEC -#define snd_azf3328_dbgcodec(format, args...) printk(KERN_DEBUG format, ##args) -#else -#define snd_azf3328_dbgcodec(format, args...) -#endif - -#if DEBUG_MISC -#define snd_azf3328_dbgtimer(format, args...) printk(KERN_DEBUG format, ##args) -#else -#define snd_azf3328_dbgtimer(format, args...) -#endif - -#if DEBUG_GAME -#define snd_azf3328_dbggame(format, args...) printk(KERN_DEBUG format, ##args) -#else -#define snd_azf3328_dbggame(format, args...) -#endif - -#if DEBUG_PM -#define snd_azf3328_dbgpm(format, args...) printk(KERN_DEBUG format, ##args) -#else -#define snd_azf3328_dbgpm(format, args...) -#endif - -static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ -module_param_array(index, int, NULL, 0444); -MODULE_PARM_DESC(index, "Index value for AZF3328 soundcard."); - -static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ -module_param_array(id, charp, NULL, 0444); -MODULE_PARM_DESC(id, "ID string for AZF3328 soundcard."); - -static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable AZF3328 soundcard."); - -static int seqtimer_scaling = 128; -module_param(seqtimer_scaling, int, 0444); -MODULE_PARM_DESC(seqtimer_scaling, "Set 1024000Hz sequencer timer scale factor (lockup danger!). Default 128."); - -enum snd_azf3328_codec_type { - /* warning: fixed indices (also used for bitmask checks!) */ - AZF_CODEC_PLAYBACK = 0, - AZF_CODEC_CAPTURE = 1, - AZF_CODEC_I2S_OUT = 2, -}; - -struct snd_azf3328_codec_data { - unsigned long io_base; /* keep first! (avoid offset calc) */ - unsigned int dma_base; /* helper to avoid an indirection in hotpath */ - spinlock_t *lock; /* TODO: convert to our own per-codec lock member */ - struct snd_pcm_substream *substream; - bool running; - enum snd_azf3328_codec_type type; - const char *name; -}; - -struct snd_azf3328 { - /* often-used fields towards beginning, then grouped */ - - unsigned long ctrl_io; /* usually 0xb000, size 128 */ - unsigned long game_io; /* usually 0xb400, size 8 */ - unsigned long mpu_io; /* usually 0xb800, size 4 */ - unsigned long opl3_io; /* usually 0xbc00, size 8 */ - unsigned long mixer_io; /* usually 0xc000, size 64 */ - - spinlock_t reg_lock; - - struct snd_timer *timer; - - struct snd_pcm *pcm[3]; - - /* playback, recording and I2S out codecs */ - struct snd_azf3328_codec_data codecs[3]; - -#ifdef AZF_USE_AC97_LAYER - struct snd_ac97 *ac97; -#endif - - struct snd_card *card; - struct snd_rawmidi *rmidi; - -#ifdef SUPPORT_GAMEPORT - struct gameport *gameport; - u16 axes[4]; -#endif - - struct pci_dev *pci; - int irq; - - /* register 0x6a is write-only, thus need to remember setting. - * If we need to add more registers here, then we might try to fold this - * into some transparent combined shadow register handling with - * CONFIG_PM register storage below, but that's slightly difficult. */ - u16 shadow_reg_ctrl_6AH; - -#ifdef CONFIG_PM - /* register value containers for power management - * Note: not always full I/O range preserved (similar to Win driver!) */ - u32 saved_regs_ctrl[AZF_ALIGN(AZF_IO_SIZE_CTRL_PM) / 4]; - u32 saved_regs_game[AZF_ALIGN(AZF_IO_SIZE_GAME_PM) / 4]; - u32 saved_regs_mpu[AZF_ALIGN(AZF_IO_SIZE_MPU_PM) / 4]; - u32 saved_regs_opl3[AZF_ALIGN(AZF_IO_SIZE_OPL3_PM) / 4]; - u32 saved_regs_mixer[AZF_ALIGN(AZF_IO_SIZE_MIXER_PM) / 4]; -#endif -}; - -static DEFINE_PCI_DEVICE_TABLE(snd_azf3328_ids) = { - { 0x122D, 0x50DC, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* PCI168/3328 */ - { 0x122D, 0x80DA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* 3328 */ - { 0, } -}; - -MODULE_DEVICE_TABLE(pci, snd_azf3328_ids); - - -static int -snd_azf3328_io_reg_setb(unsigned reg, u8 mask, bool do_set) -{ - /* Well, strictly spoken, the inb/outb sequence isn't atomic - and would need locking. However we currently don't care - since it potentially complicates matters. */ - u8 prev = inb(reg), new; - - new = (do_set) ? (prev|mask) : (prev & ~mask); - /* we need to always write the new value no matter whether it differs - * or not, since some register bits don't indicate their setting */ - outb(new, reg); - if (new != prev) - return 1; - - return 0; -} - -static inline void -snd_azf3328_codec_outb(const struct snd_azf3328_codec_data *codec, - unsigned reg, - u8 value -) -{ - outb(value, codec->io_base + reg); -} - -static inline u8 -snd_azf3328_codec_inb(const struct snd_azf3328_codec_data *codec, unsigned reg) -{ - return inb(codec->io_base + reg); -} - -static inline void -snd_azf3328_codec_outw(const struct snd_azf3328_codec_data *codec, - unsigned reg, - u16 value -) -{ - outw(value, codec->io_base + reg); -} - -static inline u16 -snd_azf3328_codec_inw(const struct snd_azf3328_codec_data *codec, unsigned reg) -{ - return inw(codec->io_base + reg); -} - -static inline void -snd_azf3328_codec_outl(const struct snd_azf3328_codec_data *codec, - unsigned reg, - u32 value -) -{ - outl(value, codec->io_base + reg); -} - -static inline void -snd_azf3328_codec_outl_multi(const struct snd_azf3328_codec_data *codec, - unsigned reg, const void *buffer, int count -) -{ - unsigned long addr = codec->io_base + reg; - if (count) { - const u32 *buf = buffer; - do { - outl(*buf++, addr); - addr += 4; - } while (--count); - } -} - -static inline u32 -snd_azf3328_codec_inl(const struct snd_azf3328_codec_data *codec, unsigned reg) -{ - return inl(codec->io_base + reg); -} - -static inline void -snd_azf3328_ctrl_outb(const struct snd_azf3328 *chip, unsigned reg, u8 value) -{ - outb(value, chip->ctrl_io + reg); -} - -static inline u8 -snd_azf3328_ctrl_inb(const struct snd_azf3328 *chip, unsigned reg) -{ - return inb(chip->ctrl_io + reg); -} - -static inline void -snd_azf3328_ctrl_outw(const struct snd_azf3328 *chip, unsigned reg, u16 value) -{ - outw(value, chip->ctrl_io + reg); -} - -static inline void -snd_azf3328_ctrl_outl(const struct snd_azf3328 *chip, unsigned reg, u32 value) -{ - outl(value, chip->ctrl_io + reg); -} - -static inline void -snd_azf3328_game_outb(const struct snd_azf3328 *chip, unsigned reg, u8 value) -{ - outb(value, chip->game_io + reg); -} - -static inline void -snd_azf3328_game_outw(const struct snd_azf3328 *chip, unsigned reg, u16 value) -{ - outw(value, chip->game_io + reg); -} - -static inline u8 -snd_azf3328_game_inb(const struct snd_azf3328 *chip, unsigned reg) -{ - return inb(chip->game_io + reg); -} - -static inline u16 -snd_azf3328_game_inw(const struct snd_azf3328 *chip, unsigned reg) -{ - return inw(chip->game_io + reg); -} - -static inline void -snd_azf3328_mixer_outw(const struct snd_azf3328 *chip, unsigned reg, u16 value) -{ - outw(value, chip->mixer_io + reg); -} - -static inline u16 -snd_azf3328_mixer_inw(const struct snd_azf3328 *chip, unsigned reg) -{ - return inw(chip->mixer_io + reg); -} - -#define AZF_MUTE_BIT 0x80 - -static bool -snd_azf3328_mixer_mute_control(const struct snd_azf3328 *chip, - unsigned reg, bool do_mute -) -{ - unsigned long portbase = chip->mixer_io + reg + 1; - bool updated; - - /* the mute bit is on the *second* (i.e. right) register of a - * left/right channel setting */ - updated = snd_azf3328_io_reg_setb(portbase, AZF_MUTE_BIT, do_mute); - - /* indicate whether it was muted before */ - return (do_mute) ? !updated : updated; -} - -static inline bool -snd_azf3328_mixer_mute_control_master(const struct snd_azf3328 *chip, - bool do_mute -) -{ - return snd_azf3328_mixer_mute_control( - chip, - IDX_MIXER_PLAY_MASTER, - do_mute - ); -} - -static inline bool -snd_azf3328_mixer_mute_control_pcm(const struct snd_azf3328 *chip, - bool do_mute -) -{ - return snd_azf3328_mixer_mute_control( - chip, - IDX_MIXER_WAVEOUT, - do_mute - ); -} - -static inline void -snd_azf3328_mixer_reset(const struct snd_azf3328 *chip) -{ - /* reset (close) mixer: - * first mute master volume, then reset - */ - snd_azf3328_mixer_mute_control_master(chip, 1); - snd_azf3328_mixer_outw(chip, IDX_MIXER_RESET, 0x0000); -} - -#ifdef AZF_USE_AC97_LAYER - -static inline void -snd_azf3328_mixer_ac97_map_unsupported(unsigned short reg, const char *mode) -{ - /* need to add some more or less clever emulation? */ - printk(KERN_WARNING - "azt3328: missing %s emulation for AC97 register 0x%02x!\n", - mode, reg); -} - -/* - * Need to have _special_ AC97 mixer hardware register index mapper, - * to compensate for the issue of a rather AC97-incompatible hardware layout. - */ -#define AZF_REG_MASK 0x3f -#define AZF_AC97_REG_UNSUPPORTED 0x8000 -#define AZF_AC97_REG_REAL_IO_READ 0x4000 -#define AZF_AC97_REG_REAL_IO_WRITE 0x2000 -#define AZF_AC97_REG_REAL_IO_RW \ - (AZF_AC97_REG_REAL_IO_READ | AZF_AC97_REG_REAL_IO_WRITE) -#define AZF_AC97_REG_EMU_IO_READ 0x0400 -#define AZF_AC97_REG_EMU_IO_WRITE 0x0200 -#define AZF_AC97_REG_EMU_IO_RW \ - (AZF_AC97_REG_EMU_IO_READ | AZF_AC97_REG_EMU_IO_WRITE) -static unsigned short -snd_azf3328_mixer_ac97_map_reg_idx(unsigned short reg) -{ - static const struct { - unsigned short azf_reg; - } azf_reg_mapper[] = { - /* Especially when taking into consideration - * mono/stereo-based sequence of azf vs. AC97 control series, - * it's quite obvious that azf simply got rid - * of the AC97_HEADPHONE control at its intended offset, - * thus shifted _all_ controls by one, - * and _then_ simply added it as an FMSYNTH control at the end, - * to make up for the offset. - * This means we'll have to translate indices here as - * needed and then do some tiny AC97 patch action - * (snd_ac97_rename_vol_ctl() etc.) - that's it. - */ - { /* AC97_RESET */ IDX_MIXER_RESET - | AZF_AC97_REG_REAL_IO_WRITE - | AZF_AC97_REG_EMU_IO_READ }, - { /* AC97_MASTER */ IDX_MIXER_PLAY_MASTER }, - /* note large shift: AC97_HEADPHONE to IDX_MIXER_FMSYNTH! */ - { /* AC97_HEADPHONE */ IDX_MIXER_FMSYNTH }, - { /* AC97_MASTER_MONO */ IDX_MIXER_MODEMOUT }, - { /* AC97_MASTER_TONE */ IDX_MIXER_BASSTREBLE }, - { /* AC97_PC_BEEP */ IDX_MIXER_PCBEEP }, - { /* AC97_PHONE */ IDX_MIXER_MODEMIN }, - { /* AC97_MIC */ IDX_MIXER_MIC }, - { /* AC97_LINE */ IDX_MIXER_LINEIN }, - { /* AC97_CD */ IDX_MIXER_CDAUDIO }, - { /* AC97_VIDEO */ IDX_MIXER_VIDEO }, - { /* AC97_AUX */ IDX_MIXER_AUX }, - { /* AC97_PCM */ IDX_MIXER_WAVEOUT }, - { /* AC97_REC_SEL */ IDX_MIXER_REC_SELECT }, - { /* AC97_REC_GAIN */ IDX_MIXER_REC_VOLUME }, - { /* AC97_REC_GAIN_MIC */ AZF_AC97_REG_EMU_IO_RW }, - { /* AC97_GENERAL_PURPOSE */ IDX_MIXER_ADVCTL2 }, - { /* AC97_3D_CONTROL */ IDX_MIXER_ADVCTL1 }, - }; - - unsigned short reg_azf = AZF_AC97_REG_UNSUPPORTED; - - /* azf3328 supports the low-numbered and low-spec:ed range - of AC97 regs only */ - if (reg <= AC97_3D_CONTROL) { - unsigned short reg_idx = reg / 2; - reg_azf = azf_reg_mapper[reg_idx].azf_reg; - /* a translation-only entry means it's real read/write: */ - if (!(reg_azf & ~AZF_REG_MASK)) - reg_azf |= AZF_AC97_REG_REAL_IO_RW; - } else { - switch (reg) { - case AC97_POWERDOWN: - reg_azf = AZF_AC97_REG_EMU_IO_RW; - break; - case AC97_EXTENDED_ID: - reg_azf = AZF_AC97_REG_EMU_IO_READ; - break; - case AC97_EXTENDED_STATUS: - /* I don't know what the h*ll AC97 layer - * would consult this _extended_ register for - * given a base-AC97-advertised card, - * but let's just emulate it anyway :-P - */ - reg_azf = AZF_AC97_REG_EMU_IO_RW; - break; - case AC97_VENDOR_ID1: - case AC97_VENDOR_ID2: - reg_azf = AZF_AC97_REG_EMU_IO_READ; - break; - } - } - return reg_azf; -} - -static const unsigned short -azf_emulated_ac97_caps = - AC97_BC_DEDICATED_MIC | - AC97_BC_BASS_TREBLE | - /* Headphone is an FM Synth control here */ - AC97_BC_HEADPHONE | - /* no AC97_BC_LOUDNESS! */ - /* mask 0x7c00 is - vendor-specific 3D enhancement - vendor indicator. - Since there actually _is_ an - entry for Aztech Labs - (13), make damn sure - to indicate it. */ - (13 << 10); - -static const unsigned short -azf_emulated_ac97_powerdown = - /* pretend everything to be active */ - AC97_PD_ADC_STATUS | - AC97_PD_DAC_STATUS | - AC97_PD_MIXER_STATUS | - AC97_PD_VREF_STATUS; - -/* - * Emulated, _inofficial_ vendor ID - * (there might be some devices such as the MR 2800-W - * which could reveal the real Aztech AC97 ID). - * We choose to use "AZT" prefix, and then use 1 to indicate PCI168 - * (better don't use 0x68 since there's a PCI368 as well). - */ -static const unsigned int -azf_emulated_ac97_vendor_id = 0x415a5401; - -static unsigned short -snd_azf3328_mixer_ac97_read(struct snd_ac97 *ac97, unsigned short reg_ac97) -{ - const struct snd_azf3328 *chip = ac97->private_data; - unsigned short reg_azf = snd_azf3328_mixer_ac97_map_reg_idx(reg_ac97); - unsigned short reg_val = 0; - bool unsupported = 0; - - snd_azf3328_dbgmixer( - "snd_azf3328_mixer_ac97_read reg_ac97 %u\n", - reg_ac97 - ); - if (reg_azf & AZF_AC97_REG_UNSUPPORTED) - unsupported = 1; - else { - if (reg_azf & AZF_AC97_REG_REAL_IO_READ) - reg_val = snd_azf3328_mixer_inw(chip, - reg_azf & AZF_REG_MASK); - else { - /* - * Proceed with dummy I/O read, - * to ensure compatible timing where this may matter. - * (ALSA AC97 layer usually doesn't call I/O functions - * due to intelligent I/O caching anyway) - * Choose a mixer register that's thoroughly unrelated - * to common audio (try to minimize distortion). - */ - snd_azf3328_mixer_inw(chip, IDX_MIXER_SOMETHING30H); - } - - if (reg_azf & AZF_AC97_REG_EMU_IO_READ) { - switch (reg_ac97) { - case AC97_RESET: - reg_val |= azf_emulated_ac97_caps; - break; - case AC97_POWERDOWN: - reg_val |= azf_emulated_ac97_powerdown; - break; - case AC97_EXTENDED_ID: - case AC97_EXTENDED_STATUS: - /* AFAICS we simply can't support anything: */ - reg_val |= 0; - break; - case AC97_VENDOR_ID1: - reg_val = azf_emulated_ac97_vendor_id >> 16; - break; - case AC97_VENDOR_ID2: - reg_val = azf_emulated_ac97_vendor_id & 0xffff; - break; - default: - unsupported = 1; - break; - } - } - } - if (unsupported) - snd_azf3328_mixer_ac97_map_unsupported(reg_ac97, "read"); - - return reg_val; -} - -static void -snd_azf3328_mixer_ac97_write(struct snd_ac97 *ac97, - unsigned short reg_ac97, unsigned short val) -{ - const struct snd_azf3328 *chip = ac97->private_data; - unsigned short reg_azf = snd_azf3328_mixer_ac97_map_reg_idx(reg_ac97); - bool unsupported = 0; - - snd_azf3328_dbgmixer( - "snd_azf3328_mixer_ac97_write reg_ac97 %u val %u\n", - reg_ac97, val - ); - if (reg_azf & AZF_AC97_REG_UNSUPPORTED) - unsupported = 1; - else { - if (reg_azf & AZF_AC97_REG_REAL_IO_WRITE) - snd_azf3328_mixer_outw( - chip, - reg_azf & AZF_REG_MASK, - val - ); - else - if (reg_azf & AZF_AC97_REG_EMU_IO_WRITE) { - switch (reg_ac97) { - case AC97_REC_GAIN_MIC: - case AC97_POWERDOWN: - case AC97_EXTENDED_STATUS: - /* - * Silently swallow these writes. - * Since for most registers our card doesn't - * actually support a comparable feature, - * this is exactly what we should do here. - * The AC97 layer's I/O caching probably - * automatically takes care of all the rest... - * (remembers written values etc.) - */ - break; - default: - unsupported = 1; - break; - } - } - } - if (unsupported) - snd_azf3328_mixer_ac97_map_unsupported(reg_ac97, "write"); -} - -static int __devinit -snd_azf3328_mixer_new(struct snd_azf3328 *chip) -{ - struct snd_ac97_bus *bus; - struct snd_ac97_template ac97; - static struct snd_ac97_bus_ops ops = { - .write = snd_azf3328_mixer_ac97_write, - .read = snd_azf3328_mixer_ac97_read, - }; - int rc; - - memset(&ac97, 0, sizeof(ac97)); - ac97.scaps = AC97_SCAP_SKIP_MODEM - | AC97_SCAP_AUDIO /* we support audio! */ - | AC97_SCAP_NO_SPDIF; - ac97.private_data = chip; - ac97.pci = chip->pci; - - /* - * ALSA's AC97 layer has terrible init crackling issues, - * unfortunately, and since it makes use of AC97_RESET, - * there's no use trying to mute Master Playback proactively. - */ - - rc = snd_ac97_bus(chip->card, 0, &ops, NULL, &bus); - if (!rc) - rc = snd_ac97_mixer(bus, &ac97, &chip->ac97); - /* - * Make sure to complain loudly in case of AC97 init failure, - * since failure may happen quite often, - * due to this card being a very quirky AC97 "lookalike". - */ - if (rc) - printk(KERN_ERR "azt3328: AC97 init failed, err %d!\n", rc); - - /* If we return an error here, then snd_card_free() should - * free up any ac97 codecs that got created, as well as the bus. - */ - return rc; -} -#else /* AZF_USE_AC97_LAYER */ -static void -snd_azf3328_mixer_write_volume_gradually(const struct snd_azf3328 *chip, - unsigned reg, - unsigned char dst_vol_left, - unsigned char dst_vol_right, - int chan_sel, int delay -) -{ - unsigned long portbase = chip->mixer_io + reg; - unsigned char curr_vol_left = 0, curr_vol_right = 0; - int left_change = 0, right_change = 0; - - snd_azf3328_dbgcallenter(); - - if (chan_sel & SET_CHAN_LEFT) { - curr_vol_left = inb(portbase + 1); - - /* take care of muting flag contained in left channel */ - if (curr_vol_left & AZF_MUTE_BIT) - dst_vol_left |= AZF_MUTE_BIT; - else - dst_vol_left &= ~AZF_MUTE_BIT; - - left_change = (curr_vol_left > dst_vol_left) ? -1 : 1; - } - - if (chan_sel & SET_CHAN_RIGHT) { - curr_vol_right = inb(portbase + 0); - - right_change = (curr_vol_right > dst_vol_right) ? -1 : 1; - } - - do { - if (left_change) { - if (curr_vol_left != dst_vol_left) { - curr_vol_left += left_change; - outb(curr_vol_left, portbase + 1); - } else - left_change = 0; - } - if (right_change) { - if (curr_vol_right != dst_vol_right) { - curr_vol_right += right_change; - - /* during volume change, the right channel is crackling - * somewhat more than the left channel, unfortunately. - * This seems to be a hardware issue. */ - outb(curr_vol_right, portbase + 0); - } else - right_change = 0; - } - if (delay) - mdelay(delay); - } while ((left_change) || (right_change)); - snd_azf3328_dbgcallleave(); -} - -/* - * general mixer element - */ -struct azf3328_mixer_reg { - unsigned reg; - unsigned int lchan_shift, rchan_shift; - unsigned int mask; - unsigned int invert: 1; - unsigned int stereo: 1; - unsigned int enum_c: 4; -}; - -#define COMPOSE_MIXER_REG(reg,lchan_shift,rchan_shift,mask,invert,stereo,enum_c) \ - ((reg) | (lchan_shift << 8) | (rchan_shift << 12) | \ - (mask << 16) | \ - (invert << 24) | \ - (stereo << 25) | \ - (enum_c << 26)) - -static void snd_azf3328_mixer_reg_decode(struct azf3328_mixer_reg *r, unsigned long val) -{ - r->reg = val & 0xff; - r->lchan_shift = (val >> 8) & 0x0f; - r->rchan_shift = (val >> 12) & 0x0f; - r->mask = (val >> 16) & 0xff; - r->invert = (val >> 24) & 1; - r->stereo = (val >> 25) & 1; - r->enum_c = (val >> 26) & 0x0f; -} - -/* - * mixer switches/volumes - */ - -#define AZF3328_MIXER_SWITCH(xname, reg, shift, invert) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ - .info = snd_azf3328_info_mixer, \ - .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \ - .private_value = COMPOSE_MIXER_REG(reg, shift, 0, 0x1, invert, 0, 0), \ -} - -#define AZF3328_MIXER_VOL_STEREO(xname, reg, mask, invert) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ - .info = snd_azf3328_info_mixer, \ - .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \ - .private_value = COMPOSE_MIXER_REG(reg, 8, 0, mask, invert, 1, 0), \ -} - -#define AZF3328_MIXER_VOL_MONO(xname, reg, mask, is_right_chan) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ - .info = snd_azf3328_info_mixer, \ - .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \ - .private_value = COMPOSE_MIXER_REG(reg, is_right_chan ? 0 : 8, 0, mask, 1, 0, 0), \ -} - -#define AZF3328_MIXER_VOL_SPECIAL(xname, reg, mask, shift, invert) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ - .info = snd_azf3328_info_mixer, \ - .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \ - .private_value = COMPOSE_MIXER_REG(reg, shift, 0, mask, invert, 0, 0), \ -} - -#define AZF3328_MIXER_ENUM(xname, reg, enum_c, shift) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ - .info = snd_azf3328_info_mixer_enum, \ - .get = snd_azf3328_get_mixer_enum, .put = snd_azf3328_put_mixer_enum, \ - .private_value = COMPOSE_MIXER_REG(reg, shift, 0, 0, 0, 0, enum_c), \ -} - -static int -snd_azf3328_info_mixer(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - struct azf3328_mixer_reg reg; - - snd_azf3328_dbgcallenter(); - snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); - uinfo->type = reg.mask == 1 ? - SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = reg.stereo + 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = reg.mask; - snd_azf3328_dbgcallleave(); - return 0; -} - -static int -snd_azf3328_get_mixer(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_azf3328 *chip = snd_kcontrol_chip(kcontrol); - struct azf3328_mixer_reg reg; - u16 oreg, val; - - snd_azf3328_dbgcallenter(); - snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); - - oreg = snd_azf3328_mixer_inw(chip, reg.reg); - val = (oreg >> reg.lchan_shift) & reg.mask; - if (reg.invert) - val = reg.mask - val; - ucontrol->value.integer.value[0] = val; - if (reg.stereo) { - val = (oreg >> reg.rchan_shift) & reg.mask; - if (reg.invert) - val = reg.mask - val; - ucontrol->value.integer.value[1] = val; - } - snd_azf3328_dbgmixer("get: %02x is %04x -> vol %02lx|%02lx " - "(shift %02d|%02d, mask %02x, inv. %d, stereo %d)\n", - reg.reg, oreg, - ucontrol->value.integer.value[0], ucontrol->value.integer.value[1], - reg.lchan_shift, reg.rchan_shift, reg.mask, reg.invert, reg.stereo); - snd_azf3328_dbgcallleave(); - return 0; -} - -static int -snd_azf3328_put_mixer(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_azf3328 *chip = snd_kcontrol_chip(kcontrol); - struct azf3328_mixer_reg reg; - u16 oreg, nreg, val; - - snd_azf3328_dbgcallenter(); - snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); - oreg = snd_azf3328_mixer_inw(chip, reg.reg); - val = ucontrol->value.integer.value[0] & reg.mask; - if (reg.invert) - val = reg.mask - val; - nreg = oreg & ~(reg.mask << reg.lchan_shift); - nreg |= (val << reg.lchan_shift); - if (reg.stereo) { - val = ucontrol->value.integer.value[1] & reg.mask; - if (reg.invert) - val = reg.mask - val; - nreg &= ~(reg.mask << reg.rchan_shift); - nreg |= (val << reg.rchan_shift); - } - if (reg.mask >= 0x07) /* it's a volume control, so better take care */ - snd_azf3328_mixer_write_volume_gradually( - chip, reg.reg, nreg >> 8, nreg & 0xff, - /* just set both channels, doesn't matter */ - SET_CHAN_LEFT|SET_CHAN_RIGHT, - 0); - else - snd_azf3328_mixer_outw(chip, reg.reg, nreg); - - snd_azf3328_dbgmixer("put: %02x to %02lx|%02lx, " - "oreg %04x; shift %02d|%02d -> nreg %04x; after: %04x\n", - reg.reg, ucontrol->value.integer.value[0], ucontrol->value.integer.value[1], - oreg, reg.lchan_shift, reg.rchan_shift, - nreg, snd_azf3328_mixer_inw(chip, reg.reg)); - snd_azf3328_dbgcallleave(); - return (nreg != oreg); -} - -static int -snd_azf3328_info_mixer_enum(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - static const char * const texts1[] = { - "Mic1", "Mic2" - }; - static const char * const texts2[] = { - "Mix", "Mic" - }; - static const char * const texts3[] = { - "Mic", "CD", "Video", "Aux", - "Line", "Mix", "Mix Mono", "Phone" - }; - static const char * const texts4[] = { - "pre 3D", "post 3D" - }; - struct azf3328_mixer_reg reg; - const char * const *p = NULL; - - snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = (reg.reg == IDX_MIXER_REC_SELECT) ? 2 : 1; - uinfo->value.enumerated.items = reg.enum_c; - if (uinfo->value.enumerated.item > reg.enum_c - 1U) - uinfo->value.enumerated.item = reg.enum_c - 1U; - if (reg.reg == IDX_MIXER_ADVCTL2) { - switch(reg.lchan_shift) { - case 8: /* modem out sel */ - p = texts1; - break; - case 9: /* mono sel source */ - p = texts2; - break; - case 15: /* PCM Out Path */ - p = texts4; - break; - } - } else - if (reg.reg == IDX_MIXER_REC_SELECT) - p = texts3; - - strcpy(uinfo->value.enumerated.name, p[uinfo->value.enumerated.item]); - return 0; -} - -static int -snd_azf3328_get_mixer_enum(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_azf3328 *chip = snd_kcontrol_chip(kcontrol); - struct azf3328_mixer_reg reg; - unsigned short val; - - snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); - val = snd_azf3328_mixer_inw(chip, reg.reg); - if (reg.reg == IDX_MIXER_REC_SELECT) { - ucontrol->value.enumerated.item[0] = (val >> 8) & (reg.enum_c - 1); - ucontrol->value.enumerated.item[1] = (val >> 0) & (reg.enum_c - 1); - } else - ucontrol->value.enumerated.item[0] = (val >> reg.lchan_shift) & (reg.enum_c - 1); - - snd_azf3328_dbgmixer("get_enum: %02x is %04x -> %d|%d (shift %02d, enum_c %d)\n", - reg.reg, val, ucontrol->value.enumerated.item[0], ucontrol->value.enumerated.item[1], - reg.lchan_shift, reg.enum_c); - return 0; -} - -static int -snd_azf3328_put_mixer_enum(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_azf3328 *chip = snd_kcontrol_chip(kcontrol); - struct azf3328_mixer_reg reg; - u16 oreg, nreg, val; - - snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); - oreg = snd_azf3328_mixer_inw(chip, reg.reg); - val = oreg; - if (reg.reg == IDX_MIXER_REC_SELECT) { - if (ucontrol->value.enumerated.item[0] > reg.enum_c - 1U || - ucontrol->value.enumerated.item[1] > reg.enum_c - 1U) - return -EINVAL; - val = (ucontrol->value.enumerated.item[0] << 8) | - (ucontrol->value.enumerated.item[1] << 0); - } else { - if (ucontrol->value.enumerated.item[0] > reg.enum_c - 1U) - return -EINVAL; - val &= ~((reg.enum_c - 1) << reg.lchan_shift); - val |= (ucontrol->value.enumerated.item[0] << reg.lchan_shift); - } - snd_azf3328_mixer_outw(chip, reg.reg, val); - nreg = val; - - snd_azf3328_dbgmixer("put_enum: %02x to %04x, oreg %04x\n", reg.reg, val, oreg); - return (nreg != oreg); -} - -static struct snd_kcontrol_new snd_azf3328_mixer_controls[] __devinitdata = { - AZF3328_MIXER_SWITCH("Master Playback Switch", IDX_MIXER_PLAY_MASTER, 15, 1), - AZF3328_MIXER_VOL_STEREO("Master Playback Volume", IDX_MIXER_PLAY_MASTER, 0x1f, 1), - AZF3328_MIXER_SWITCH("PCM Playback Switch", IDX_MIXER_WAVEOUT, 15, 1), - AZF3328_MIXER_VOL_STEREO("PCM Playback Volume", - IDX_MIXER_WAVEOUT, 0x1f, 1), - AZF3328_MIXER_SWITCH("PCM 3D Bypass Playback Switch", - IDX_MIXER_ADVCTL2, 7, 1), - AZF3328_MIXER_SWITCH("FM Playback Switch", IDX_MIXER_FMSYNTH, 15, 1), - AZF3328_MIXER_VOL_STEREO("FM Playback Volume", IDX_MIXER_FMSYNTH, 0x1f, 1), - AZF3328_MIXER_SWITCH("CD Playback Switch", IDX_MIXER_CDAUDIO, 15, 1), - AZF3328_MIXER_VOL_STEREO("CD Playback Volume", IDX_MIXER_CDAUDIO, 0x1f, 1), - AZF3328_MIXER_SWITCH("Capture Switch", IDX_MIXER_REC_VOLUME, 15, 1), - AZF3328_MIXER_VOL_STEREO("Capture Volume", IDX_MIXER_REC_VOLUME, 0x0f, 0), - AZF3328_MIXER_ENUM("Capture Source", IDX_MIXER_REC_SELECT, 8, 0), - AZF3328_MIXER_SWITCH("Mic Playback Switch", IDX_MIXER_MIC, 15, 1), - AZF3328_MIXER_VOL_MONO("Mic Playback Volume", IDX_MIXER_MIC, 0x1f, 1), - AZF3328_MIXER_SWITCH("Mic Boost (+20dB)", IDX_MIXER_MIC, 6, 0), - AZF3328_MIXER_SWITCH("Line Playback Switch", IDX_MIXER_LINEIN, 15, 1), - AZF3328_MIXER_VOL_STEREO("Line Playback Volume", IDX_MIXER_LINEIN, 0x1f, 1), - AZF3328_MIXER_SWITCH("Beep Playback Switch", IDX_MIXER_PCBEEP, 15, 1), - AZF3328_MIXER_VOL_SPECIAL("Beep Playback Volume", IDX_MIXER_PCBEEP, 0x0f, 1, 1), - AZF3328_MIXER_SWITCH("Video Playback Switch", IDX_MIXER_VIDEO, 15, 1), - AZF3328_MIXER_VOL_STEREO("Video Playback Volume", IDX_MIXER_VIDEO, 0x1f, 1), - AZF3328_MIXER_SWITCH("Aux Playback Switch", IDX_MIXER_AUX, 15, 1), - AZF3328_MIXER_VOL_STEREO("Aux Playback Volume", IDX_MIXER_AUX, 0x1f, 1), - AZF3328_MIXER_SWITCH("Modem Playback Switch", IDX_MIXER_MODEMOUT, 15, 1), - AZF3328_MIXER_VOL_MONO("Modem Playback Volume", IDX_MIXER_MODEMOUT, 0x1f, 1), - AZF3328_MIXER_SWITCH("Modem Capture Switch", IDX_MIXER_MODEMIN, 15, 1), - AZF3328_MIXER_VOL_MONO("Modem Capture Volume", IDX_MIXER_MODEMIN, 0x1f, 1), - AZF3328_MIXER_ENUM("Mic Select", IDX_MIXER_ADVCTL2, 2, 8), - AZF3328_MIXER_ENUM("Mono Output Select", IDX_MIXER_ADVCTL2, 2, 9), - AZF3328_MIXER_ENUM("PCM Output Route", IDX_MIXER_ADVCTL2, 2, 15), /* PCM Out Path, place in front since it controls *both* 3D and Bass/Treble! */ - AZF3328_MIXER_VOL_SPECIAL("Tone Control - Treble", IDX_MIXER_BASSTREBLE, 0x07, 1, 0), - AZF3328_MIXER_VOL_SPECIAL("Tone Control - Bass", IDX_MIXER_BASSTREBLE, 0x07, 9, 0), - AZF3328_MIXER_SWITCH("3D Control - Switch", IDX_MIXER_ADVCTL2, 13, 0), - AZF3328_MIXER_VOL_SPECIAL("3D Control - Width", IDX_MIXER_ADVCTL1, 0x07, 1, 0), /* "3D Width" */ - AZF3328_MIXER_VOL_SPECIAL("3D Control - Depth", IDX_MIXER_ADVCTL1, 0x03, 8, 0), /* "Hifi 3D" */ -#if MIXER_TESTING - AZF3328_MIXER_SWITCH("0", IDX_MIXER_ADVCTL2, 0, 0), - AZF3328_MIXER_SWITCH("1", IDX_MIXER_ADVCTL2, 1, 0), - AZF3328_MIXER_SWITCH("2", IDX_MIXER_ADVCTL2, 2, 0), - AZF3328_MIXER_SWITCH("3", IDX_MIXER_ADVCTL2, 3, 0), - AZF3328_MIXER_SWITCH("4", IDX_MIXER_ADVCTL2, 4, 0), - AZF3328_MIXER_SWITCH("5", IDX_MIXER_ADVCTL2, 5, 0), - AZF3328_MIXER_SWITCH("6", IDX_MIXER_ADVCTL2, 6, 0), - AZF3328_MIXER_SWITCH("7", IDX_MIXER_ADVCTL2, 7, 0), - AZF3328_MIXER_SWITCH("8", IDX_MIXER_ADVCTL2, 8, 0), - AZF3328_MIXER_SWITCH("9", IDX_MIXER_ADVCTL2, 9, 0), - AZF3328_MIXER_SWITCH("10", IDX_MIXER_ADVCTL2, 10, 0), - AZF3328_MIXER_SWITCH("11", IDX_MIXER_ADVCTL2, 11, 0), - AZF3328_MIXER_SWITCH("12", IDX_MIXER_ADVCTL2, 12, 0), - AZF3328_MIXER_SWITCH("13", IDX_MIXER_ADVCTL2, 13, 0), - AZF3328_MIXER_SWITCH("14", IDX_MIXER_ADVCTL2, 14, 0), - AZF3328_MIXER_SWITCH("15", IDX_MIXER_ADVCTL2, 15, 0), -#endif -}; - -static u16 __devinitdata snd_azf3328_init_values[][2] = { - { IDX_MIXER_PLAY_MASTER, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_MODEMOUT, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_BASSTREBLE, 0x0000 }, - { IDX_MIXER_PCBEEP, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_MODEMIN, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_MIC, MIXER_MUTE_MASK|0x001f }, - { IDX_MIXER_LINEIN, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_CDAUDIO, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_VIDEO, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_AUX, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_WAVEOUT, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_FMSYNTH, MIXER_MUTE_MASK|0x1f1f }, - { IDX_MIXER_REC_VOLUME, MIXER_MUTE_MASK|0x0707 }, -}; - -static int __devinit -snd_azf3328_mixer_new(struct snd_azf3328 *chip) -{ - struct snd_card *card; - const struct snd_kcontrol_new *sw; - unsigned int idx; - int err; - - snd_azf3328_dbgcallenter(); - if (snd_BUG_ON(!chip || !chip->card)) - return -EINVAL; - - card = chip->card; - - /* mixer reset */ - snd_azf3328_mixer_outw(chip, IDX_MIXER_RESET, 0x0000); - - /* mute and zero volume channels */ - for (idx = 0; idx < ARRAY_SIZE(snd_azf3328_init_values); ++idx) { - snd_azf3328_mixer_outw(chip, - snd_azf3328_init_values[idx][0], - snd_azf3328_init_values[idx][1]); - } - - /* add mixer controls */ - sw = snd_azf3328_mixer_controls; - for (idx = 0; idx < ARRAY_SIZE(snd_azf3328_mixer_controls); - ++idx, ++sw) { - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(sw, chip))) < 0) - return err; - } - snd_component_add(card, "AZF3328 mixer"); - strcpy(card->mixername, "AZF3328 mixer"); - - snd_azf3328_dbgcallleave(); - return 0; -} -#endif /* AZF_USE_AC97_LAYER */ - -static int -snd_azf3328_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - int res; - snd_azf3328_dbgcallenter(); - res = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); - snd_azf3328_dbgcallleave(); - return res; -} - -static int -snd_azf3328_hw_free(struct snd_pcm_substream *substream) -{ - snd_azf3328_dbgcallenter(); - snd_pcm_lib_free_pages(substream); - snd_azf3328_dbgcallleave(); - return 0; -} - -static void -snd_azf3328_codec_setfmt(struct snd_azf3328_codec_data *codec, - enum azf_freq_t bitrate, - unsigned int format_width, - unsigned int channels -) -{ - unsigned long flags; - u16 val = 0xff00; - u8 freq = 0; - - snd_azf3328_dbgcallenter(); - switch (bitrate) { - case AZF_FREQ_4000: freq = SOUNDFORMAT_FREQ_SUSPECTED_4000; break; - case AZF_FREQ_4800: freq = SOUNDFORMAT_FREQ_SUSPECTED_4800; break; - case AZF_FREQ_5512: - /* the AZF3328 names it "5510" for some strange reason */ - freq = SOUNDFORMAT_FREQ_5510; break; - case AZF_FREQ_6620: freq = SOUNDFORMAT_FREQ_6620; break; - case AZF_FREQ_8000: freq = SOUNDFORMAT_FREQ_8000; break; - case AZF_FREQ_9600: freq = SOUNDFORMAT_FREQ_9600; break; - case AZF_FREQ_11025: freq = SOUNDFORMAT_FREQ_11025; break; - case AZF_FREQ_13240: freq = SOUNDFORMAT_FREQ_SUSPECTED_13240; break; - case AZF_FREQ_16000: freq = SOUNDFORMAT_FREQ_16000; break; - case AZF_FREQ_22050: freq = SOUNDFORMAT_FREQ_22050; break; - case AZF_FREQ_32000: freq = SOUNDFORMAT_FREQ_32000; break; - default: - snd_printk(KERN_WARNING "unknown bitrate %d, assuming 44.1kHz!\n", bitrate); - /* fall-through */ - case AZF_FREQ_44100: freq = SOUNDFORMAT_FREQ_44100; break; - case AZF_FREQ_48000: freq = SOUNDFORMAT_FREQ_48000; break; - case AZF_FREQ_66200: freq = SOUNDFORMAT_FREQ_SUSPECTED_66200; break; - } - /* val = 0xff07; 3m27.993s (65301Hz; -> 64000Hz???) hmm, 66120, 65967, 66123 */ - /* val = 0xff09; 17m15.098s (13123,478Hz; -> 12000Hz???) hmm, 13237.2Hz? */ - /* val = 0xff0a; 47m30.599s (4764,891Hz; -> 4800Hz???) yup, 4803Hz */ - /* val = 0xff0c; 57m0.510s (4010,263Hz; -> 4000Hz???) yup, 4003Hz */ - /* val = 0xff05; 5m11.556s (... -> 44100Hz) */ - /* val = 0xff03; 10m21.529s (21872,463Hz; -> 22050Hz???) */ - /* val = 0xff0f; 20m41.883s (10937,993Hz; -> 11025Hz???) */ - /* val = 0xff0d; 41m23.135s (5523,600Hz; -> 5512Hz???) */ - /* val = 0xff0e; 28m30.777s (8017Hz; -> 8000Hz???) */ - - val |= freq; - - if (channels == 2) - val |= SOUNDFORMAT_FLAG_2CHANNELS; - - if (format_width == 16) - val |= SOUNDFORMAT_FLAG_16BIT; - - spin_lock_irqsave(codec->lock, flags); - - /* set bitrate/format */ - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_SOUNDFORMAT, val); - - /* changing the bitrate/format settings switches off the - * audio output with an annoying click in case of 8/16bit format change - * (maybe shutting down DAC/ADC?), thus immediately - * do some tweaking to reenable it and get rid of the clicking - * (FIXME: yes, it works, but what exactly am I doing here?? :) - * FIXME: does this have some side effects for full-duplex - * or other dramatic side effects? */ - /* do it for non-capture codecs only */ - if (codec->type != AZF_CODEC_CAPTURE) - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, - snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS) | - DMA_RUN_SOMETHING1 | - DMA_RUN_SOMETHING2 | - SOMETHING_ALMOST_ALWAYS_SET | - DMA_EPILOGUE_SOMETHING | - DMA_SOMETHING_ELSE - ); - - spin_unlock_irqrestore(codec->lock, flags); - snd_azf3328_dbgcallleave(); -} - -static inline void -snd_azf3328_codec_setfmt_lowpower(struct snd_azf3328_codec_data *codec -) -{ - /* choose lowest frequency for low power consumption. - * While this will cause louder noise due to rather coarse frequency, - * it should never matter since output should always - * get disabled properly when idle anyway. */ - snd_azf3328_codec_setfmt(codec, AZF_FREQ_4000, 8, 1); -} - -static void -snd_azf3328_ctrl_reg_6AH_update(struct snd_azf3328 *chip, - unsigned bitmask, - bool enable -) -{ - bool do_mask = !enable; - if (do_mask) - chip->shadow_reg_ctrl_6AH |= bitmask; - else - chip->shadow_reg_ctrl_6AH &= ~bitmask; - snd_azf3328_dbgcodec("6AH_update mask 0x%04x do_mask %d: val 0x%04x\n", - bitmask, do_mask, chip->shadow_reg_ctrl_6AH); - snd_azf3328_ctrl_outw(chip, IDX_IO_6AH, chip->shadow_reg_ctrl_6AH); -} - -static inline void -snd_azf3328_ctrl_enable_codecs(struct snd_azf3328 *chip, bool enable) -{ - snd_azf3328_dbgcodec("codec_enable %d\n", enable); - /* no idea what exactly is being done here, but I strongly assume it's - * PM related */ - snd_azf3328_ctrl_reg_6AH_update( - chip, IO_6A_PAUSE_PLAYBACK_BIT8, enable - ); -} - -static void -snd_azf3328_ctrl_codec_activity(struct snd_azf3328 *chip, - enum snd_azf3328_codec_type codec_type, - bool enable -) -{ - struct snd_azf3328_codec_data *codec = &chip->codecs[codec_type]; - bool need_change = (codec->running != enable); - - snd_azf3328_dbgcodec( - "codec_activity: %s codec, enable %d, need_change %d\n", - codec->name, enable, need_change - ); - if (need_change) { - static const struct { - enum snd_azf3328_codec_type other1; - enum snd_azf3328_codec_type other2; - } peer_codecs[3] = - { { AZF_CODEC_CAPTURE, AZF_CODEC_I2S_OUT }, - { AZF_CODEC_PLAYBACK, AZF_CODEC_I2S_OUT }, - { AZF_CODEC_PLAYBACK, AZF_CODEC_CAPTURE } }; - bool call_function; - - if (enable) - /* if enable codec, call enable_codecs func - to enable codec supply... */ - call_function = 1; - else { - /* ...otherwise call enable_codecs func - (which globally shuts down operation of codecs) - only in case the other codecs are currently - not active either! */ - call_function = - ((!chip->codecs[peer_codecs[codec_type].other1] - .running) - && (!chip->codecs[peer_codecs[codec_type].other2] - .running)); - } - if (call_function) - snd_azf3328_ctrl_enable_codecs(chip, enable); - - /* ...and adjust clock, too - * (reduce noise and power consumption) */ - if (!enable) - snd_azf3328_codec_setfmt_lowpower(codec); - codec->running = enable; - } -} - -static void -snd_azf3328_codec_setdmaa(struct snd_azf3328_codec_data *codec, - unsigned long addr, - unsigned int period_bytes, - unsigned int buffer_bytes -) -{ - snd_azf3328_dbgcallenter(); - WARN_ONCE(period_bytes & 1, "odd period length!?\n"); - WARN_ONCE(buffer_bytes != 2 * period_bytes, - "missed our input expectations! %u vs. %u\n", - buffer_bytes, period_bytes); - if (!codec->running) { - /* AZF3328 uses a two buffer pointer DMA transfer approach */ - - unsigned long flags; - - /* width 32bit (prevent overflow): */ - u32 area_length; - struct codec_setup_io { - u32 dma_start_1; - u32 dma_start_2; - u32 dma_lengths; - } __attribute__((packed)) setup_io; - - area_length = buffer_bytes/2; - - setup_io.dma_start_1 = addr; - setup_io.dma_start_2 = addr+area_length; - - snd_azf3328_dbgcodec( - "setdma: buffers %08x[%u] / %08x[%u], %u, %u\n", - setup_io.dma_start_1, area_length, - setup_io.dma_start_2, area_length, - period_bytes, buffer_bytes); - - /* Hmm, are we really supposed to decrement this by 1?? - Most definitely certainly not: configuring full length does - work properly (i.e. likely better), and BTW we - violated possibly differing frame sizes with this... - - area_length--; |* max. index *| - */ - - /* build combined I/O buffer length word */ - setup_io.dma_lengths = (area_length << 16) | (area_length); - - spin_lock_irqsave(codec->lock, flags); - snd_azf3328_codec_outl_multi( - codec, IDX_IO_CODEC_DMA_START_1, &setup_io, 3 - ); - spin_unlock_irqrestore(codec->lock, flags); - } - snd_azf3328_dbgcallleave(); -} - -static int -snd_azf3328_pcm_prepare(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_azf3328_codec_data *codec = runtime->private_data; -#if 0 - unsigned int size = snd_pcm_lib_buffer_bytes(substream); - unsigned int count = snd_pcm_lib_period_bytes(substream); -#endif - - snd_azf3328_dbgcallenter(); - - codec->dma_base = runtime->dma_addr; - -#if 0 - snd_azf3328_codec_setfmt(codec, - runtime->rate, - snd_pcm_format_width(runtime->format), - runtime->channels); - snd_azf3328_codec_setdmaa(codec, - runtime->dma_addr, count, size); -#endif - snd_azf3328_dbgcallleave(); - return 0; -} - -static int -snd_azf3328_pcm_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_azf3328_codec_data *codec = runtime->private_data; - int result = 0; - u16 flags1; - bool previously_muted = 0; - bool is_main_mixer_playback_codec = (AZF_CODEC_PLAYBACK == codec->type); - - snd_azf3328_dbgcalls("snd_azf3328_pcm_trigger cmd %d\n", cmd); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - snd_azf3328_dbgcodec("START %s\n", codec->name); - - if (is_main_mixer_playback_codec) { - /* mute WaveOut (avoid clicking during setup) */ - previously_muted = - snd_azf3328_mixer_mute_control_pcm( - chip, 1 - ); - } - - snd_azf3328_codec_setfmt(codec, - runtime->rate, - snd_pcm_format_width(runtime->format), - runtime->channels); - - spin_lock(codec->lock); - /* first, remember current value: */ - flags1 = snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS); - - /* stop transfer */ - flags1 &= ~DMA_RESUME; - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1); - - /* FIXME: clear interrupts or what??? */ - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_IRQTYPE, 0xffff); - spin_unlock(codec->lock); - - snd_azf3328_codec_setdmaa(codec, runtime->dma_addr, - snd_pcm_lib_period_bytes(substream), - snd_pcm_lib_buffer_bytes(substream) - ); - - spin_lock(codec->lock); -#ifdef WIN9X - /* FIXME: enable playback/recording??? */ - flags1 |= DMA_RUN_SOMETHING1 | DMA_RUN_SOMETHING2; - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1); - - /* start transfer again */ - /* FIXME: what is this value (0x0010)??? */ - flags1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING; - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1); -#else /* NT4 */ - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, - 0x0000); - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, - DMA_RUN_SOMETHING1); - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, - DMA_RUN_SOMETHING1 | - DMA_RUN_SOMETHING2); - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, - DMA_RESUME | - SOMETHING_ALMOST_ALWAYS_SET | - DMA_EPILOGUE_SOMETHING | - DMA_SOMETHING_ELSE); -#endif - spin_unlock(codec->lock); - snd_azf3328_ctrl_codec_activity(chip, codec->type, 1); - - if (is_main_mixer_playback_codec) { - /* now unmute WaveOut */ - if (!previously_muted) - snd_azf3328_mixer_mute_control_pcm( - chip, 0 - ); - } - - snd_azf3328_dbgcodec("STARTED %s\n", codec->name); - break; - case SNDRV_PCM_TRIGGER_RESUME: - snd_azf3328_dbgcodec("RESUME %s\n", codec->name); - /* resume codec if we were active */ - spin_lock(codec->lock); - if (codec->running) - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, - snd_azf3328_codec_inw( - codec, IDX_IO_CODEC_DMA_FLAGS - ) | DMA_RESUME - ); - spin_unlock(codec->lock); - break; - case SNDRV_PCM_TRIGGER_STOP: - snd_azf3328_dbgcodec("STOP %s\n", codec->name); - - if (is_main_mixer_playback_codec) { - /* mute WaveOut (avoid clicking during setup) */ - previously_muted = - snd_azf3328_mixer_mute_control_pcm( - chip, 1 - ); - } - - spin_lock(codec->lock); - /* first, remember current value: */ - flags1 = snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS); - - /* stop transfer */ - flags1 &= ~DMA_RESUME; - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1); - - /* hmm, is this really required? we're resetting the same bit - * immediately thereafter... */ - flags1 |= DMA_RUN_SOMETHING1; - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1); - - flags1 &= ~DMA_RUN_SOMETHING1; - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1); - spin_unlock(codec->lock); - snd_azf3328_ctrl_codec_activity(chip, codec->type, 0); - - if (is_main_mixer_playback_codec) { - /* now unmute WaveOut */ - if (!previously_muted) - snd_azf3328_mixer_mute_control_pcm( - chip, 0 - ); - } - - snd_azf3328_dbgcodec("STOPPED %s\n", codec->name); - break; - case SNDRV_PCM_TRIGGER_SUSPEND: - snd_azf3328_dbgcodec("SUSPEND %s\n", codec->name); - /* make sure codec is stopped */ - snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, - snd_azf3328_codec_inw( - codec, IDX_IO_CODEC_DMA_FLAGS - ) & ~DMA_RESUME - ); - break; - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - snd_printk(KERN_ERR "FIXME: SNDRV_PCM_TRIGGER_PAUSE_PUSH NIY!\n"); - break; - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - snd_printk(KERN_ERR "FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n"); - break; - default: - snd_printk(KERN_ERR "FIXME: unknown trigger mode!\n"); - return -EINVAL; - } - - snd_azf3328_dbgcallleave(); - return result; -} - -static snd_pcm_uframes_t -snd_azf3328_pcm_pointer(struct snd_pcm_substream *substream -) -{ - const struct snd_azf3328_codec_data *codec = - substream->runtime->private_data; - unsigned long result; - snd_pcm_uframes_t frmres; - - result = snd_azf3328_codec_inl(codec, IDX_IO_CODEC_DMA_CURRPOS); - - /* calculate offset */ -#ifdef QUERY_HARDWARE - result -= snd_azf3328_codec_inl(codec, IDX_IO_CODEC_DMA_START_1); -#else - result -= codec->dma_base; -#endif - frmres = bytes_to_frames( substream->runtime, result); - snd_azf3328_dbgcodec("%08li %s @ 0x%8lx, frames %8ld\n", - jiffies, codec->name, result, frmres); - return frmres; -} - -/******************************************************************/ - -#ifdef SUPPORT_GAMEPORT -static inline void -snd_azf3328_gameport_irq_enable(struct snd_azf3328 *chip, - bool enable -) -{ - snd_azf3328_io_reg_setb( - chip->game_io+IDX_GAME_HWCONFIG, - GAME_HWCFG_IRQ_ENABLE, - enable - ); -} - -static inline void -snd_azf3328_gameport_legacy_address_enable(struct snd_azf3328 *chip, - bool enable -) -{ - snd_azf3328_io_reg_setb( - chip->game_io+IDX_GAME_HWCONFIG, - GAME_HWCFG_LEGACY_ADDRESS_ENABLE, - enable - ); -} - -static void -snd_azf3328_gameport_set_counter_frequency(struct snd_azf3328 *chip, - unsigned int freq_cfg -) -{ - snd_azf3328_io_reg_setb( - chip->game_io+IDX_GAME_HWCONFIG, - 0x02, - (freq_cfg & 1) != 0 - ); - snd_azf3328_io_reg_setb( - chip->game_io+IDX_GAME_HWCONFIG, - 0x04, - (freq_cfg & 2) != 0 - ); -} - -static inline void -snd_azf3328_gameport_axis_circuit_enable(struct snd_azf3328 *chip, bool enable) -{ - snd_azf3328_ctrl_reg_6AH_update( - chip, IO_6A_SOMETHING2_GAMEPORT, enable - ); -} - -static inline void -snd_azf3328_gameport_interrupt(struct snd_azf3328 *chip) -{ - /* - * skeleton handler only - * (we do not want axis reading in interrupt handler - too much load!) - */ - snd_azf3328_dbggame("gameport irq\n"); - - /* this should ACK the gameport IRQ properly, hopefully. */ - snd_azf3328_game_inw(chip, IDX_GAME_AXIS_VALUE); -} - -static int -snd_azf3328_gameport_open(struct gameport *gameport, int mode) -{ - struct snd_azf3328 *chip = gameport_get_port_data(gameport); - int res; - - snd_azf3328_dbggame("gameport_open, mode %d\n", mode); - switch (mode) { - case GAMEPORT_MODE_COOKED: - case GAMEPORT_MODE_RAW: - res = 0; - break; - default: - res = -1; - break; - } - - snd_azf3328_gameport_set_counter_frequency(chip, - GAME_HWCFG_ADC_COUNTER_FREQ_STD); - snd_azf3328_gameport_axis_circuit_enable(chip, (res == 0)); - - return res; -} - -static void -snd_azf3328_gameport_close(struct gameport *gameport) -{ - struct snd_azf3328 *chip = gameport_get_port_data(gameport); - - snd_azf3328_dbggame("gameport_close\n"); - snd_azf3328_gameport_set_counter_frequency(chip, - GAME_HWCFG_ADC_COUNTER_FREQ_1_200); - snd_azf3328_gameport_axis_circuit_enable(chip, 0); -} - -static int -snd_azf3328_gameport_cooked_read(struct gameport *gameport, - int *axes, - int *buttons -) -{ - struct snd_azf3328 *chip = gameport_get_port_data(gameport); - int i; - u8 val; - unsigned long flags; - - if (snd_BUG_ON(!chip)) - return 0; - - spin_lock_irqsave(&chip->reg_lock, flags); - val = snd_azf3328_game_inb(chip, IDX_GAME_LEGACY_COMPATIBLE); - *buttons = (~(val) >> 4) & 0xf; - - /* ok, this one is a bit dirty: cooked_read is being polled by a timer, - * thus we're atomic and cannot actively wait in here - * (which would be useful for us since it probably would be better - * to trigger a measurement in here, then wait a short amount of - * time until it's finished, then read values of _this_ measurement). - * - * Thus we simply resort to reading values if they're available already - * and trigger the next measurement. - */ - - val = snd_azf3328_game_inb(chip, IDX_GAME_AXES_CONFIG); - if (val & GAME_AXES_SAMPLING_READY) { - for (i = 0; i < ARRAY_SIZE(chip->axes); ++i) { - /* configure the axis to read */ - val = (i << 4) | 0x0f; - snd_azf3328_game_outb(chip, IDX_GAME_AXES_CONFIG, val); - - chip->axes[i] = snd_azf3328_game_inw( - chip, IDX_GAME_AXIS_VALUE - ); - } - } - - /* trigger next sampling of axes, to be evaluated the next time we - * enter this function */ - - /* for some very, very strange reason we cannot enable - * Measurement Ready monitoring for all axes here, - * at least not when only one joystick connected */ - val = 0x03; /* we're able to monitor axes 1 and 2 only */ - snd_azf3328_game_outb(chip, IDX_GAME_AXES_CONFIG, val); - - snd_azf3328_game_outw(chip, IDX_GAME_AXIS_VALUE, 0xffff); - spin_unlock_irqrestore(&chip->reg_lock, flags); - - for (i = 0; i < ARRAY_SIZE(chip->axes); i++) { - axes[i] = chip->axes[i]; - if (axes[i] == 0xffff) - axes[i] = -1; - } - - snd_azf3328_dbggame("cooked_read: axes %d %d %d %d buttons %d\n", - axes[0], axes[1], axes[2], axes[3], *buttons - ); - - return 0; -} - -static int __devinit -snd_azf3328_gameport(struct snd_azf3328 *chip, int dev) -{ - struct gameport *gp; - - chip->gameport = gp = gameport_allocate_port(); - if (!gp) { - printk(KERN_ERR "azt3328: cannot alloc memory for gameport\n"); - return -ENOMEM; - } - - gameport_set_name(gp, "AZF3328 Gameport"); - gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); - gameport_set_dev_parent(gp, &chip->pci->dev); - gp->io = chip->game_io; - gameport_set_port_data(gp, chip); - - gp->open = snd_azf3328_gameport_open; - gp->close = snd_azf3328_gameport_close; - gp->fuzz = 16; /* seems ok */ - gp->cooked_read = snd_azf3328_gameport_cooked_read; - - /* DISABLE legacy address: we don't need it! */ - snd_azf3328_gameport_legacy_address_enable(chip, 0); - - snd_azf3328_gameport_set_counter_frequency(chip, - GAME_HWCFG_ADC_COUNTER_FREQ_1_200); - snd_azf3328_gameport_axis_circuit_enable(chip, 0); - - gameport_register_port(chip->gameport); - - return 0; -} - -static void -snd_azf3328_gameport_free(struct snd_azf3328 *chip) -{ - if (chip->gameport) { - gameport_unregister_port(chip->gameport); - chip->gameport = NULL; - } - snd_azf3328_gameport_irq_enable(chip, 0); -} -#else -static inline int -snd_azf3328_gameport(struct snd_azf3328 *chip, int dev) { return -ENOSYS; } -static inline void -snd_azf3328_gameport_free(struct snd_azf3328 *chip) { } -static inline void -snd_azf3328_gameport_interrupt(struct snd_azf3328 *chip) -{ - printk(KERN_WARNING "huh, game port IRQ occurred!?\n"); -} -#endif /* SUPPORT_GAMEPORT */ - -/******************************************************************/ - -static inline void -snd_azf3328_irq_log_unknown_type(u8 which) -{ - snd_azf3328_dbgcodec( - "azt3328: unknown IRQ type (%x) occurred, please report!\n", - which - ); -} - -static inline void -snd_azf3328_pcm_interrupt(const struct snd_azf3328_codec_data *first_codec, - u8 status -) -{ - u8 which; - enum snd_azf3328_codec_type codec_type; - const struct snd_azf3328_codec_data *codec = first_codec; - - for (codec_type = AZF_CODEC_PLAYBACK; - codec_type <= AZF_CODEC_I2S_OUT; - ++codec_type, ++codec) { - - /* skip codec if there's no interrupt for it */ - if (!(status & (1 << codec_type))) - continue; - - spin_lock(codec->lock); - which = snd_azf3328_codec_inb(codec, IDX_IO_CODEC_IRQTYPE); - /* ack all IRQ types immediately */ - snd_azf3328_codec_outb(codec, IDX_IO_CODEC_IRQTYPE, which); - spin_unlock(codec->lock); - - if (codec->substream) { - snd_pcm_period_elapsed(codec->substream); - snd_azf3328_dbgcodec("%s period done (#%x), @ %x\n", - codec->name, - which, - snd_azf3328_codec_inl( - codec, IDX_IO_CODEC_DMA_CURRPOS - ) - ); - } else - printk(KERN_WARNING "azt3328: irq handler problem!\n"); - if (which & IRQ_SOMETHING) - snd_azf3328_irq_log_unknown_type(which); - } -} - -static irqreturn_t -snd_azf3328_interrupt(int irq, void *dev_id) -{ - struct snd_azf3328 *chip = dev_id; - u8 status; -#if DEBUG_CODEC - static unsigned long irq_count; -#endif - - status = snd_azf3328_ctrl_inb(chip, IDX_IO_IRQSTATUS); - - /* fast path out, to ease interrupt sharing */ - if (!(status & - (IRQ_PLAYBACK|IRQ_RECORDING|IRQ_I2S_OUT - |IRQ_GAMEPORT|IRQ_MPU401|IRQ_TIMER) - )) - return IRQ_NONE; /* must be interrupt for another device */ - - snd_azf3328_dbgcodec( - "irq_count %ld! IDX_IO_IRQSTATUS %04x\n", - irq_count++ /* debug-only */, - status - ); - - if (status & IRQ_TIMER) { - /* snd_azf3328_dbgcodec("timer %ld\n", - snd_azf3328_codec_inl(chip, IDX_IO_TIMER_VALUE) - & TIMER_VALUE_MASK - ); */ - if (chip->timer) - snd_timer_interrupt(chip->timer, chip->timer->sticks); - /* ACK timer */ - spin_lock(&chip->reg_lock); - snd_azf3328_ctrl_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x07); - spin_unlock(&chip->reg_lock); - snd_azf3328_dbgcodec("azt3328: timer IRQ\n"); - } - - if (status & (IRQ_PLAYBACK|IRQ_RECORDING|IRQ_I2S_OUT)) - snd_azf3328_pcm_interrupt(chip->codecs, status); - - if (status & IRQ_GAMEPORT) - snd_azf3328_gameport_interrupt(chip); - - /* MPU401 has less critical IRQ requirements - * than timer and playback/recording, right? */ - if (status & IRQ_MPU401) { - snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); - - /* hmm, do we have to ack the IRQ here somehow? - * If so, then I don't know how yet... */ - snd_azf3328_dbgcodec("azt3328: MPU401 IRQ\n"); - } - return IRQ_HANDLED; -} - -/*****************************************************************/ - -/* as long as we think we have identical snd_pcm_hardware parameters - for playback, capture and i2s out, we can use the same physical struct - since the struct is simply being copied into a member. -*/ -static const struct snd_pcm_hardware snd_azf3328_hardware = -{ - /* FIXME!! Correct? */ - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_MMAP_VALID, - .formats = SNDRV_PCM_FMTBIT_S8 | - SNDRV_PCM_FMTBIT_U8 | - SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_U16_LE, - .rates = SNDRV_PCM_RATE_5512 | - SNDRV_PCM_RATE_8000_48000 | - SNDRV_PCM_RATE_KNOT, - .rate_min = AZF_FREQ_4000, - .rate_max = AZF_FREQ_66200, - .channels_min = 1, - .channels_max = 2, - .buffer_bytes_max = (64*1024), - .period_bytes_min = 1024, - .period_bytes_max = (32*1024), - /* We simply have two DMA areas (instead of a list of descriptors - such as other cards); I believe that this is a fixed hardware - attribute and there isn't much driver magic to be done to expand it. - Thus indicate that we have at least and at most 2 periods. */ - .periods_min = 2, - .periods_max = 2, - /* FIXME: maybe that card actually has a FIFO? - * Hmm, it seems newer revisions do have one, but we still don't know - * its size... */ - .fifo_size = 0, -}; - - -static unsigned int snd_azf3328_fixed_rates[] = { - AZF_FREQ_4000, - AZF_FREQ_4800, - AZF_FREQ_5512, - AZF_FREQ_6620, - AZF_FREQ_8000, - AZF_FREQ_9600, - AZF_FREQ_11025, - AZF_FREQ_13240, - AZF_FREQ_16000, - AZF_FREQ_22050, - AZF_FREQ_32000, - AZF_FREQ_44100, - AZF_FREQ_48000, - AZF_FREQ_66200 -}; - -static struct snd_pcm_hw_constraint_list snd_azf3328_hw_constraints_rates = { - .count = ARRAY_SIZE(snd_azf3328_fixed_rates), - .list = snd_azf3328_fixed_rates, - .mask = 0, -}; - -/*****************************************************************/ - -static int -snd_azf3328_pcm_open(struct snd_pcm_substream *substream, - enum snd_azf3328_codec_type codec_type -) -{ - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_azf3328_codec_data *codec = &chip->codecs[codec_type]; - - snd_azf3328_dbgcallenter(); - codec->substream = substream; - - /* same parameters for all our codecs - at least we think so... */ - runtime->hw = snd_azf3328_hardware; - - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, - &snd_azf3328_hw_constraints_rates); - runtime->private_data = codec; - snd_azf3328_dbgcallleave(); - return 0; -} - -static int -snd_azf3328_pcm_playback_open(struct snd_pcm_substream *substream) -{ - return snd_azf3328_pcm_open(substream, AZF_CODEC_PLAYBACK); -} - -static int -snd_azf3328_pcm_capture_open(struct snd_pcm_substream *substream) -{ - return snd_azf3328_pcm_open(substream, AZF_CODEC_CAPTURE); -} - -static int -snd_azf3328_pcm_i2s_out_open(struct snd_pcm_substream *substream) -{ - return snd_azf3328_pcm_open(substream, AZF_CODEC_I2S_OUT); -} - -static int -snd_azf3328_pcm_close(struct snd_pcm_substream *substream -) -{ - struct snd_azf3328_codec_data *codec = - substream->runtime->private_data; - - snd_azf3328_dbgcallenter(); - codec->substream = NULL; - snd_azf3328_dbgcallleave(); - return 0; -} - -/******************************************************************/ - -static struct snd_pcm_ops snd_azf3328_playback_ops = { - .open = snd_azf3328_pcm_playback_open, - .close = snd_azf3328_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_azf3328_hw_params, - .hw_free = snd_azf3328_hw_free, - .prepare = snd_azf3328_pcm_prepare, - .trigger = snd_azf3328_pcm_trigger, - .pointer = snd_azf3328_pcm_pointer -}; - -static struct snd_pcm_ops snd_azf3328_capture_ops = { - .open = snd_azf3328_pcm_capture_open, - .close = snd_azf3328_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_azf3328_hw_params, - .hw_free = snd_azf3328_hw_free, - .prepare = snd_azf3328_pcm_prepare, - .trigger = snd_azf3328_pcm_trigger, - .pointer = snd_azf3328_pcm_pointer -}; - -static struct snd_pcm_ops snd_azf3328_i2s_out_ops = { - .open = snd_azf3328_pcm_i2s_out_open, - .close = snd_azf3328_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_azf3328_hw_params, - .hw_free = snd_azf3328_hw_free, - .prepare = snd_azf3328_pcm_prepare, - .trigger = snd_azf3328_pcm_trigger, - .pointer = snd_azf3328_pcm_pointer -}; - -static int __devinit -snd_azf3328_pcm(struct snd_azf3328 *chip) -{ -enum { AZF_PCMDEV_STD, AZF_PCMDEV_I2S_OUT, NUM_AZF_PCMDEVS }; /* pcm devices */ - - struct snd_pcm *pcm; - int err; - - snd_azf3328_dbgcallenter(); - - err = snd_pcm_new(chip->card, "AZF3328 DSP", AZF_PCMDEV_STD, - 1, 1, &pcm); - if (err < 0) - return err; - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, - &snd_azf3328_playback_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, - &snd_azf3328_capture_ops); - - pcm->private_data = chip; - pcm->info_flags = 0; - strcpy(pcm->name, chip->card->shortname); - /* same pcm object for playback/capture (see snd_pcm_new() above) */ - chip->pcm[AZF_CODEC_PLAYBACK] = pcm; - chip->pcm[AZF_CODEC_CAPTURE] = pcm; - - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data(chip->pci), - 64*1024, 64*1024); - - err = snd_pcm_new(chip->card, "AZF3328 I2S OUT", AZF_PCMDEV_I2S_OUT, - 1, 0, &pcm); - if (err < 0) - return err; - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, - &snd_azf3328_i2s_out_ops); - - pcm->private_data = chip; - pcm->info_flags = 0; - strcpy(pcm->name, chip->card->shortname); - chip->pcm[AZF_CODEC_I2S_OUT] = pcm; - - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data(chip->pci), - 64*1024, 64*1024); - - snd_azf3328_dbgcallleave(); - return 0; -} - -/******************************************************************/ - -/*** NOTE: the physical timer resolution actually is 1024000 ticks per second - *** (probably derived from main crystal via a divider of 24), - *** but announcing those attributes to user-space would make programs - *** configure the timer to a 1 tick value, resulting in an absolutely fatal - *** timer IRQ storm. - *** Thus I chose to announce a down-scaled virtual timer to the outside and - *** calculate real timer countdown values internally. - *** (the scale factor can be set via module parameter "seqtimer_scaling"). - ***/ - -static int -snd_azf3328_timer_start(struct snd_timer *timer) -{ - struct snd_azf3328 *chip; - unsigned long flags; - unsigned int delay; - - snd_azf3328_dbgcallenter(); - chip = snd_timer_chip(timer); - delay = ((timer->sticks * seqtimer_scaling) - 1) & TIMER_VALUE_MASK; - if (delay < 49) { - /* uhoh, that's not good, since user-space won't know about - * this timing tweak - * (we need to do it to avoid a lockup, though) */ - - snd_azf3328_dbgtimer("delay was too low (%d)!\n", delay); - delay = 49; /* minimum time is 49 ticks */ - } - snd_azf3328_dbgtimer("setting timer countdown value %d\n", delay); - delay |= TIMER_COUNTDOWN_ENABLE | TIMER_IRQ_ENABLE; - spin_lock_irqsave(&chip->reg_lock, flags); - snd_azf3328_ctrl_outl(chip, IDX_IO_TIMER_VALUE, delay); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_azf3328_dbgcallleave(); - return 0; -} - -static int -snd_azf3328_timer_stop(struct snd_timer *timer) -{ - struct snd_azf3328 *chip; - unsigned long flags; - - snd_azf3328_dbgcallenter(); - chip = snd_timer_chip(timer); - spin_lock_irqsave(&chip->reg_lock, flags); - /* disable timer countdown and interrupt */ - /* Hmm, should we write TIMER_IRQ_ACK here? - YES indeed, otherwise a rogue timer operation - which prompts - ALSA(?) to call repeated stop() in vain, but NOT start() - - will never end (value 0x03 is kept shown in control byte). - Simply manually poking 0x04 _once_ immediately successfully stops - the hardware/ALSA interrupt activity. */ - snd_azf3328_ctrl_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x04); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_azf3328_dbgcallleave(); - return 0; -} - - -static int -snd_azf3328_timer_precise_resolution(struct snd_timer *timer, - unsigned long *num, unsigned long *den) -{ - snd_azf3328_dbgcallenter(); - *num = 1; - *den = 1024000 / seqtimer_scaling; - snd_azf3328_dbgcallleave(); - return 0; -} - -static struct snd_timer_hardware snd_azf3328_timer_hw = { - .flags = SNDRV_TIMER_HW_AUTO, - .resolution = 977, /* 1000000/1024000 = 0.9765625us */ - .ticks = 1024000, /* max tick count, defined by the value register; actually it's not 1024000, but 1048576, but we don't care */ - .start = snd_azf3328_timer_start, - .stop = snd_azf3328_timer_stop, - .precise_resolution = snd_azf3328_timer_precise_resolution, -}; - -static int __devinit -snd_azf3328_timer(struct snd_azf3328 *chip, int device) -{ - struct snd_timer *timer = NULL; - struct snd_timer_id tid; - int err; - - snd_azf3328_dbgcallenter(); - tid.dev_class = SNDRV_TIMER_CLASS_CARD; - tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; - tid.card = chip->card->number; - tid.device = device; - tid.subdevice = 0; - - snd_azf3328_timer_hw.resolution *= seqtimer_scaling; - snd_azf3328_timer_hw.ticks /= seqtimer_scaling; - - err = snd_timer_new(chip->card, "AZF3328", &tid, &timer); - if (err < 0) - goto out; - - strcpy(timer->name, "AZF3328 timer"); - timer->private_data = chip; - timer->hw = snd_azf3328_timer_hw; - - chip->timer = timer; - - snd_azf3328_timer_stop(timer); - - err = 0; - -out: - snd_azf3328_dbgcallleave(); - return err; -} - -/******************************************************************/ - -static int -snd_azf3328_free(struct snd_azf3328 *chip) -{ - if (chip->irq < 0) - goto __end_hw; - - snd_azf3328_mixer_reset(chip); - - snd_azf3328_timer_stop(chip->timer); - snd_azf3328_gameport_free(chip); - - if (chip->irq >= 0) - synchronize_irq(chip->irq); -__end_hw: - if (chip->irq >= 0) - free_irq(chip->irq, chip); - pci_release_regions(chip->pci); - pci_disable_device(chip->pci); - - kfree(chip); - return 0; -} - -static int -snd_azf3328_dev_free(struct snd_device *device) -{ - struct snd_azf3328 *chip = device->device_data; - return snd_azf3328_free(chip); -} - -#if 0 -/* check whether a bit can be modified */ -static void -snd_azf3328_test_bit(unsigned unsigned reg, int bit) -{ - unsigned char val, valoff, valon; - - val = inb(reg); - - outb(val & ~(1 << bit), reg); - valoff = inb(reg); - - outb(val|(1 << bit), reg); - valon = inb(reg); - - outb(val, reg); - - printk(KERN_DEBUG "reg %04x bit %d: %02x %02x %02x\n", - reg, bit, val, valoff, valon - ); -} -#endif - -static inline void -snd_azf3328_debug_show_ports(const struct snd_azf3328 *chip) -{ -#if DEBUG_MISC - u16 tmp; - - snd_azf3328_dbgmisc( - "ctrl_io 0x%lx, game_io 0x%lx, mpu_io 0x%lx, " - "opl3_io 0x%lx, mixer_io 0x%lx, irq %d\n", - chip->ctrl_io, chip->game_io, chip->mpu_io, - chip->opl3_io, chip->mixer_io, chip->irq - ); - - snd_azf3328_dbgmisc("game %02x %02x %02x %02x %02x %02x\n", - snd_azf3328_game_inb(chip, 0), - snd_azf3328_game_inb(chip, 1), - snd_azf3328_game_inb(chip, 2), - snd_azf3328_game_inb(chip, 3), - snd_azf3328_game_inb(chip, 4), - snd_azf3328_game_inb(chip, 5) - ); - - for (tmp = 0; tmp < 0x07; tmp += 1) - snd_azf3328_dbgmisc("mpu_io 0x%04x\n", inb(chip->mpu_io + tmp)); - - for (tmp = 0; tmp <= 0x07; tmp += 1) - snd_azf3328_dbgmisc("0x%02x: game200 0x%04x, game208 0x%04x\n", - tmp, inb(0x200 + tmp), inb(0x208 + tmp)); - - for (tmp = 0; tmp <= 0x01; tmp += 1) - snd_azf3328_dbgmisc( - "0x%02x: mpu300 0x%04x, mpu310 0x%04x, mpu320 0x%04x, " - "mpu330 0x%04x opl388 0x%04x opl38c 0x%04x\n", - tmp, - inb(0x300 + tmp), - inb(0x310 + tmp), - inb(0x320 + tmp), - inb(0x330 + tmp), - inb(0x388 + tmp), - inb(0x38c + tmp) - ); - - for (tmp = 0; tmp < AZF_IO_SIZE_CTRL; tmp += 2) - snd_azf3328_dbgmisc("ctrl 0x%02x: 0x%04x\n", - tmp, snd_azf3328_ctrl_inw(chip, tmp) - ); - - for (tmp = 0; tmp < AZF_IO_SIZE_MIXER; tmp += 2) - snd_azf3328_dbgmisc("mixer 0x%02x: 0x%04x\n", - tmp, snd_azf3328_mixer_inw(chip, tmp) - ); -#endif /* DEBUG_MISC */ -} - -static int __devinit -snd_azf3328_create(struct snd_card *card, - struct pci_dev *pci, - unsigned long device_type, - struct snd_azf3328 **rchip) -{ - struct snd_azf3328 *chip; - int err; - static struct snd_device_ops ops = { - .dev_free = snd_azf3328_dev_free, - }; - u8 dma_init; - enum snd_azf3328_codec_type codec_type; - struct snd_azf3328_codec_data *codec_setup; - - *rchip = NULL; - - err = pci_enable_device(pci); - if (err < 0) - return err; - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) { - err = -ENOMEM; - goto out_err; - } - spin_lock_init(&chip->reg_lock); - chip->card = card; - chip->pci = pci; - chip->irq = -1; - - /* check if we can restrict PCI DMA transfers to 24 bits */ - if (pci_set_dma_mask(pci, DMA_BIT_MASK(24)) < 0 || - pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(24)) < 0) { - snd_printk(KERN_ERR "architecture does not support " - "24bit PCI busmaster DMA\n" - ); - err = -ENXIO; - goto out_err; - } - - err = pci_request_regions(pci, "Aztech AZF3328"); - if (err < 0) - goto out_err; - - chip->ctrl_io = pci_resource_start(pci, 0); - chip->game_io = pci_resource_start(pci, 1); - chip->mpu_io = pci_resource_start(pci, 2); - chip->opl3_io = pci_resource_start(pci, 3); - chip->mixer_io = pci_resource_start(pci, 4); - - codec_setup = &chip->codecs[AZF_CODEC_PLAYBACK]; - codec_setup->io_base = chip->ctrl_io + AZF_IO_OFFS_CODEC_PLAYBACK; - codec_setup->lock = &chip->reg_lock; - codec_setup->type = AZF_CODEC_PLAYBACK; - codec_setup->name = "PLAYBACK"; - - codec_setup = &chip->codecs[AZF_CODEC_CAPTURE]; - codec_setup->io_base = chip->ctrl_io + AZF_IO_OFFS_CODEC_CAPTURE; - codec_setup->lock = &chip->reg_lock; - codec_setup->type = AZF_CODEC_CAPTURE; - codec_setup->name = "CAPTURE"; - - codec_setup = &chip->codecs[AZF_CODEC_I2S_OUT]; - codec_setup->io_base = chip->ctrl_io + AZF_IO_OFFS_CODEC_I2S_OUT; - codec_setup->lock = &chip->reg_lock; - codec_setup->type = AZF_CODEC_I2S_OUT; - codec_setup->name = "I2S_OUT"; - - if (request_irq(pci->irq, snd_azf3328_interrupt, - IRQF_SHARED, KBUILD_MODNAME, chip)) { - snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); - err = -EBUSY; - goto out_err; - } - chip->irq = pci->irq; - pci_set_master(pci); - synchronize_irq(chip->irq); - - snd_azf3328_debug_show_ports(chip); - - err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); - if (err < 0) - goto out_err; - - /* create mixer interface & switches */ - err = snd_azf3328_mixer_new(chip); - if (err < 0) - goto out_err; - - /* standard codec init stuff */ - /* default DMA init value */ - dma_init = DMA_RUN_SOMETHING2|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE; - - for (codec_type = AZF_CODEC_PLAYBACK; - codec_type <= AZF_CODEC_I2S_OUT; ++codec_type) { - struct snd_azf3328_codec_data *codec = - &chip->codecs[codec_type]; - - /* shutdown codecs to reduce power / noise */ - /* have ...ctrl_codec_activity() act properly */ - codec->running = 1; - snd_azf3328_ctrl_codec_activity(chip, codec_type, 0); - - spin_lock_irq(codec->lock); - snd_azf3328_codec_outb(codec, IDX_IO_CODEC_DMA_FLAGS, - dma_init); - spin_unlock_irq(codec->lock); - } - - snd_card_set_dev(card, &pci->dev); - - *rchip = chip; - - err = 0; - goto out; - -out_err: - if (chip) - snd_azf3328_free(chip); - pci_disable_device(pci); - -out: - return err; -} - -static int __devinit -snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) -{ - static int dev; - struct snd_card *card; - struct snd_azf3328 *chip; - struct snd_opl3 *opl3; - int err; - - snd_azf3328_dbgcallenter(); - if (dev >= SNDRV_CARDS) { - err = -ENODEV; - goto out; - } - if (!enable[dev]) { - dev++; - err = -ENOENT; - goto out; - } - - err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); - if (err < 0) - goto out; - - strcpy(card->driver, "AZF3328"); - strcpy(card->shortname, "Aztech AZF3328 (PCI168)"); - - err = snd_azf3328_create(card, pci, pci_id->driver_data, &chip); - if (err < 0) - goto out_err; - - card->private_data = chip; - - /* chose to use MPU401_HW_AZT2320 ID instead of MPU401_HW_MPU401, - since our hardware ought to be similar, thus use same ID. */ - err = snd_mpu401_uart_new( - card, 0, - MPU401_HW_AZT2320, chip->mpu_io, - MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK, - -1, &chip->rmidi - ); - if (err < 0) { - snd_printk(KERN_ERR "azf3328: no MPU-401 device at 0x%lx?\n", - chip->mpu_io - ); - goto out_err; - } - - err = snd_azf3328_timer(chip, 0); - if (err < 0) - goto out_err; - - err = snd_azf3328_pcm(chip); - if (err < 0) - goto out_err; - - if (snd_opl3_create(card, chip->opl3_io, chip->opl3_io+2, - OPL3_HW_AUTO, 1, &opl3) < 0) { - snd_printk(KERN_ERR "azf3328: no OPL3 device at 0x%lx-0x%lx?\n", - chip->opl3_io, chip->opl3_io+2 - ); - } else { - /* need to use IDs 1, 2 since ID 0 is snd_azf3328_timer above */ - err = snd_opl3_timer_new(opl3, 1, 2); - if (err < 0) - goto out_err; - err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); - if (err < 0) - goto out_err; - opl3->private_data = chip; - } - - sprintf(card->longname, "%s at 0x%lx, irq %i", - card->shortname, chip->ctrl_io, chip->irq); - - err = snd_card_register(card); - if (err < 0) - goto out_err; - -#ifdef MODULE - printk(KERN_INFO -"azt3328: Sound driver for Aztech AZF3328-based soundcards such as PCI168.\n" -"azt3328: Hardware was completely undocumented, unfortunately.\n" -"azt3328: Feel free to contact andi AT lisas.de for bug reports etc.!\n" -"azt3328: User-scalable sequencer timer set to %dHz (1024000Hz / %d).\n", - 1024000 / seqtimer_scaling, seqtimer_scaling); -#endif - - snd_azf3328_gameport(chip, dev); - - pci_set_drvdata(pci, card); - dev++; - - err = 0; - goto out; - -out_err: - snd_printk(KERN_ERR "azf3328: something failed, exiting\n"); - snd_card_free(card); - -out: - snd_azf3328_dbgcallleave(); - return err; -} - -static void __devexit -snd_azf3328_remove(struct pci_dev *pci) -{ - snd_azf3328_dbgcallenter(); - snd_card_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); - snd_azf3328_dbgcallleave(); -} - -#ifdef CONFIG_PM -static inline void -snd_azf3328_suspend_regs(unsigned long io_addr, unsigned count, u32 *saved_regs) -{ - unsigned reg; - - for (reg = 0; reg < count; ++reg) { - *saved_regs = inl(io_addr); - snd_azf3328_dbgpm("suspend: io 0x%04lx: 0x%08x\n", - io_addr, *saved_regs); - ++saved_regs; - io_addr += sizeof(*saved_regs); - } -} - -static inline void -snd_azf3328_resume_regs(const u32 *saved_regs, - unsigned long io_addr, - unsigned count -) -{ - unsigned reg; - - for (reg = 0; reg < count; ++reg) { - outl(*saved_regs, io_addr); - snd_azf3328_dbgpm("resume: io 0x%04lx: 0x%08x --> 0x%08x\n", - io_addr, *saved_regs, inl(io_addr)); - ++saved_regs; - io_addr += sizeof(*saved_regs); - } -} - -static inline void -snd_azf3328_suspend_ac97(struct snd_azf3328 *chip) -{ -#ifdef AZF_USE_AC97_LAYER - snd_ac97_suspend(chip->ac97); -#else - snd_azf3328_suspend_regs(chip->mixer_io, - ARRAY_SIZE(chip->saved_regs_mixer), chip->saved_regs_mixer); - - /* make sure to disable master volume etc. to prevent looping sound */ - snd_azf3328_mixer_mute_control_master(chip, 1); - snd_azf3328_mixer_mute_control_pcm(chip, 1); -#endif /* AZF_USE_AC97_LAYER */ -} - -static inline void -snd_azf3328_resume_ac97(const struct snd_azf3328 *chip) -{ -#ifdef AZF_USE_AC97_LAYER - snd_ac97_resume(chip->ac97); -#else - snd_azf3328_resume_regs(chip->saved_regs_mixer, chip->mixer_io, - ARRAY_SIZE(chip->saved_regs_mixer)); - - /* unfortunately with 32bit transfers, IDX_MIXER_PLAY_MASTER (0x02) - and IDX_MIXER_RESET (offset 0x00) get touched at the same time, - resulting in a mixer reset condition persisting until _after_ - master vol was restored. Thus master vol needs an extra restore. */ - outw(((u16 *)chip->saved_regs_mixer)[1], chip->mixer_io + 2); -#endif /* AZF_USE_AC97_LAYER */ -} - -static int -snd_azf3328_suspend(struct pci_dev *pci, pm_message_t state) -{ - struct snd_card *card = pci_get_drvdata(pci); - struct snd_azf3328 *chip = card->private_data; - u16 *saved_regs_ctrl_u16; - - snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - - /* same pcm object for playback/capture */ - snd_pcm_suspend_all(chip->pcm[AZF_CODEC_PLAYBACK]); - snd_pcm_suspend_all(chip->pcm[AZF_CODEC_I2S_OUT]); - - snd_azf3328_suspend_ac97(chip); - - snd_azf3328_suspend_regs(chip->ctrl_io, - ARRAY_SIZE(chip->saved_regs_ctrl), chip->saved_regs_ctrl); - - /* manually store the one currently relevant write-only reg, too */ - saved_regs_ctrl_u16 = (u16 *)chip->saved_regs_ctrl; - saved_regs_ctrl_u16[IDX_IO_6AH / 2] = chip->shadow_reg_ctrl_6AH; - - snd_azf3328_suspend_regs(chip->game_io, - ARRAY_SIZE(chip->saved_regs_game), chip->saved_regs_game); - snd_azf3328_suspend_regs(chip->mpu_io, - ARRAY_SIZE(chip->saved_regs_mpu), chip->saved_regs_mpu); - snd_azf3328_suspend_regs(chip->opl3_io, - ARRAY_SIZE(chip->saved_regs_opl3), chip->saved_regs_opl3); - - pci_disable_device(pci); - pci_save_state(pci); - pci_set_power_state(pci, pci_choose_state(pci, state)); - return 0; -} - -static int -snd_azf3328_resume(struct pci_dev *pci) -{ - struct snd_card *card = pci_get_drvdata(pci); - const struct snd_azf3328 *chip = card->private_data; - - pci_set_power_state(pci, PCI_D0); - pci_restore_state(pci); - if (pci_enable_device(pci) < 0) { - printk(KERN_ERR "azt3328: pci_enable_device failed, " - "disabling device\n"); - snd_card_disconnect(card); - return -EIO; - } - pci_set_master(pci); - - snd_azf3328_resume_regs(chip->saved_regs_game, chip->game_io, - ARRAY_SIZE(chip->saved_regs_game)); - snd_azf3328_resume_regs(chip->saved_regs_mpu, chip->mpu_io, - ARRAY_SIZE(chip->saved_regs_mpu)); - snd_azf3328_resume_regs(chip->saved_regs_opl3, chip->opl3_io, - ARRAY_SIZE(chip->saved_regs_opl3)); - - snd_azf3328_resume_ac97(chip); - - snd_azf3328_resume_regs(chip->saved_regs_ctrl, chip->ctrl_io, - ARRAY_SIZE(chip->saved_regs_ctrl)); - - snd_power_change_state(card, SNDRV_CTL_POWER_D0); - return 0; -} -#endif /* CONFIG_PM */ - - -static struct pci_driver driver = { - .name = KBUILD_MODNAME, - .id_table = snd_azf3328_ids, - .probe = snd_azf3328_probe, - .remove = __devexit_p(snd_azf3328_remove), -#ifdef CONFIG_PM - .suspend = snd_azf3328_suspend, - .resume = snd_azf3328_resume, -#endif -}; - -static int __init -alsa_card_azf3328_init(void) -{ - int err; - snd_azf3328_dbgcallenter(); - err = pci_register_driver(&driver); - snd_azf3328_dbgcallleave(); - return err; -} - -static void __exit -alsa_card_azf3328_exit(void) -{ - snd_azf3328_dbgcallenter(); - pci_unregister_driver(&driver); - snd_azf3328_dbgcallleave(); -} - -module_init(alsa_card_azf3328_init) -module_exit(alsa_card_azf3328_exit) |