diff options
Diffstat (limited to 'sound/pci/azt3328.c')
| -rw-r--r-- | sound/pci/azt3328.c | 2577 |
1 files changed, 1685 insertions, 892 deletions
diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c index 4e71a55120a..c9216c0a9c8 100644 --- a/sound/pci/azt3328.c +++ b/sound/pci/azt3328.c @@ -1,6 +1,5 @@ -/* - * azt3328.c - driver for Aztech AZF3328 based soundcards (e.g. PCI168). - * Copyright (C) 2002, 2005, 2006, 2007 by Andreas Mohr <andi AT lisas.de> +/* 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), @@ -10,6 +9,13 @@ * 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 @@ -35,9 +41,20 @@ * (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) has the following features: + * 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: @@ -48,22 +65,38 @@ * 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. - * - builtin genuine OPL3 + * 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) FIXME: how to enable legacy addr?? + * - MPU401 (+ legacy address support, claimed by one official spec sheet) + * FIXME: how to enable legacy addr?? * - game port (legacy address support) - * - builtin 3D enhancement (said to be YAMAHA Ymersion) * - builtin DirectInput support, helps reduce CPU overhead (interrupt-driven - * features supported) + * 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 port for external DAC + * - 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 + * - 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 @@ -74,6 +107,24 @@ * - "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. @@ -87,41 +138,55 @@ * better than a VIA, yet ironically I still get crackling, like many other * people with the same chipset. * Possible remedies: - * - plug card into a different PCI slot, preferrably one that isn't shared + * - 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, not fully tested recently + * - 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 some power micro-management (disable various units of the card - * as long as they're unused). However this requires I/O ports which I - * haven't figured out yet and which thus might not even exist... + * - 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/moduleparam.h> +#include <linux/module.h> #include <linux/dma-mapping.h> #include <sound/core.h> #include <sound/control.h> @@ -130,6 +195,16 @@ #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>"); @@ -138,50 +213,30 @@ MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Aztech,AZF3328}}"); #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) -#define SUPPORT_JOYSTICK 1 +#define SUPPORT_GAMEPORT 1 #endif -#define DEBUG_MISC 0 -#define DEBUG_CALLS 0 -#define DEBUG_MIXER 0 -#define DEBUG_PLAY_REC 0 -#define DEBUG_IO 0 -#define DEBUG_TIMER 0 -#define MIXER_TESTING 0 - -#if DEBUG_MISC -#define snd_azf3328_dbgmisc(format, args...) printk(KERN_ERR 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_ERR "--> %s\n", __FUNCTION__) -#define snd_azf3328_dbgcallleave() printk(KERN_ERR "<-- %s\n", __FUNCTION__) -#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(format, ##args) -#else -#define snd_azf3328_dbgmixer(format, args...) -#endif - -#if DEBUG_PLAY_REC -#define snd_azf3328_dbgplay(format, args...) printk(KERN_ERR format, ##args) -#else -#define snd_azf3328_dbgplay(format, args...) -#endif - -#if DEBUG_MISC -#define snd_azf3328_dbgtimer(format, args...) printk(KERN_ERR format, ##args) -#else -#define snd_azf3328_dbgtimer(format, args...) -#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 +*/ static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ module_param_array(index, int, NULL, 0444); @@ -191,60 +246,82 @@ 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 int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ +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."); -#ifdef SUPPORT_JOYSTICK -static int joystick[SNDRV_CARDS]; -module_param_array(joystick, bool, NULL, 0444); -MODULE_PARM_DESC(joystick, "Enable joystick for AZF3328 soundcard."); -#endif - 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 codec_port; - unsigned long io2_port; - unsigned long mpu_port; - unsigned long synth_port; - unsigned long mixer_port; + + 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; - struct snd_pcm_substream *playback_substream; - struct snd_pcm_substream *capture_substream; - unsigned int is_playing; - unsigned int is_recording; + + 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_JOYSTICK +#ifdef SUPPORT_GAMEPORT struct gameport *gameport; + u16 axes[4]; #endif struct pci_dev *pci; int irq; -#ifdef CONFIG_PM + /* 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_SLEEP /* register value containers for power management - * Note: not always full I/O range preserved (just like Win driver!) */ - u16 saved_regs_codec [AZF_IO_SIZE_CODEC_PM / 2]; - u16 saved_regs_io2 [AZF_IO_SIZE_IO2_PM / 2]; - u16 saved_regs_mpu [AZF_IO_SIZE_MPU_PM / 2]; - u16 saved_regs_synth[AZF_IO_SIZE_SYNTH_PM / 2]; - u16 saved_regs_mixer[AZF_IO_SIZE_MIXER_PM / 2]; + * 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 const struct pci_device_id snd_azf3328_ids[] = { +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, } @@ -252,134 +329,543 @@ static const struct pci_device_id snd_azf3328_ids[] = { 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 *chip, int reg, u8 value) +snd_azf3328_codec_outb(const struct snd_azf3328_codec_data *codec, + unsigned reg, + u8 value +) { - outb(value, chip->codec_port + reg); + outb(value, codec->io_base + reg); } static inline u8 -snd_azf3328_codec_inb(const struct snd_azf3328 *chip, int reg) +snd_azf3328_codec_inb(const struct snd_azf3328_codec_data *codec, unsigned reg) { - return inb(chip->codec_port + reg); + return inb(codec->io_base + reg); } static inline void -snd_azf3328_codec_outw(const struct snd_azf3328 *chip, int reg, u16 value) +snd_azf3328_codec_outw(const struct snd_azf3328_codec_data *codec, + unsigned reg, + u16 value +) { - outw(value, chip->codec_port + reg); + outw(value, codec->io_base + reg); } static inline u16 -snd_azf3328_codec_inw(const struct snd_azf3328 *chip, int reg) +snd_azf3328_codec_inw(const struct snd_azf3328_codec_data *codec, unsigned reg) { - return inw(chip->codec_port + reg); + return inw(codec->io_base + reg); } static inline void -snd_azf3328_codec_outl(const struct snd_azf3328 *chip, int reg, u32 value) +snd_azf3328_codec_outl(const struct snd_azf3328_codec_data *codec, + unsigned reg, + u32 value +) { - outl(value, chip->codec_port + reg); + outl(value, codec->io_base + reg); } static inline void -snd_azf3328_io2_outb(const struct snd_azf3328 *chip, int reg, u8 value) +snd_azf3328_codec_outl_multi(const struct snd_azf3328_codec_data *codec, + unsigned reg, const void *buffer, int count +) { - outb(value, chip->io2_port + reg); + 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_io2_inb(const struct snd_azf3328 *chip, int reg) +snd_azf3328_ctrl_inb(const struct snd_azf3328 *chip, unsigned reg) { - return inb(chip->io2_port + reg); + return inb(chip->ctrl_io + reg); +} + +static inline u16 +snd_azf3328_ctrl_inw(const struct snd_azf3328 *chip, unsigned reg) +{ + return inw(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_mixer_outw(const struct snd_azf3328 *chip, int reg, u16 value) +snd_azf3328_game_outb(const struct snd_azf3328 *chip, unsigned reg, u8 value) { - outw(value, chip->mixer_port + reg); + 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_mixer_inw(const struct snd_azf3328 *chip, int reg) +snd_azf3328_game_inw(const struct snd_azf3328 *chip, unsigned reg) { - return inw(chip->mixer_port + reg); + return inw(chip->game_io + reg); } -static void -snd_azf3328_mixer_set_mute(const struct snd_azf3328 *chip, int reg, int do_mute) +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_port + reg + 1; - unsigned char oldval; + 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 */ - oldval = inb(portbase); - if (do_mute) - oldval |= 0x80; - else - oldval &= ~0x80; - outb(oldval, portbase); + 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(const struct snd_azf3328 *chip, + unsigned short reg, const char *mode) +{ + /* need to add some more or less clever emulation? */ + dev_warn(chip->card->dev, + "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 = false; + + dev_dbg(chip->card->dev, "snd_azf3328_mixer_ac97_read reg_ac97 %u\n", + reg_ac97); + if (reg_azf & AZF_AC97_REG_UNSUPPORTED) + unsupported = true; + 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 = true; + break; + } + } + } + if (unsupported) + snd_azf3328_mixer_ac97_map_unsupported(chip, reg_ac97, "read"); + + return reg_val; } static void -snd_azf3328_mixer_write_volume_gradually(const struct snd_azf3328 *chip, int reg, unsigned char dst_vol_left, unsigned char dst_vol_right, int chan_sel, int delay) +snd_azf3328_mixer_ac97_write(struct snd_ac97 *ac97, + unsigned short reg_ac97, unsigned short val) { - unsigned long portbase = chip->mixer_port + reg; + const struct snd_azf3328 *chip = ac97->private_data; + unsigned short reg_azf = snd_azf3328_mixer_ac97_map_reg_idx(reg_ac97); + bool unsupported = false; + + dev_dbg(chip->card->dev, + "snd_azf3328_mixer_ac97_write reg_ac97 %u val %u\n", + reg_ac97, val); + if (reg_azf & AZF_AC97_REG_UNSUPPORTED) + unsupported = true; + 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 = true; + break; + } + } + } + if (unsupported) + snd_azf3328_mixer_ac97_map_unsupported(chip, reg_ac97, "write"); +} + +static int +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) + dev_err(chip->card->dev, "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_done = 0, right_done = 0; - - snd_azf3328_dbgcallenter(); - if (chan_sel & SET_CHAN_LEFT) + int left_change = 0, right_change = 0; + + if (chan_sel & SET_CHAN_LEFT) { curr_vol_left = inb(portbase + 1); - else - left_done = 1; - if (chan_sel & SET_CHAN_RIGHT) + + /* 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); - else - right_done = 1; - - /* take care of muting flag (0x80) contained in left channel */ - if (curr_vol_left & 0x80) - dst_vol_left |= 0x80; - else - dst_vol_left &= ~0x80; + + right_change = (curr_vol_right > dst_vol_right) ? -1 : 1; + } do { - if (!left_done) { - if (curr_vol_left > dst_vol_left) - curr_vol_left--; - else - if (curr_vol_left < dst_vol_left) - curr_vol_left++; - else - left_done = 1; - outb(curr_vol_left, portbase + 1); + 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_done) { - if (curr_vol_right > dst_vol_right) - curr_vol_right--; - else - if (curr_vol_right < dst_vol_right) - curr_vol_right++; - else - right_done = 1; + 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); + outb(curr_vol_right, portbase + 0); + } else + right_change = 0; } if (delay) mdelay(delay); - } while ((!left_done) || (!right_done)); - snd_azf3328_dbgcallleave(); + } while ((left_change) || (right_change)); } /* * general mixer element */ struct azf3328_mixer_reg { - unsigned int reg; + unsigned reg; unsigned int lchan_shift, rchan_shift; unsigned int mask; unsigned int invert: 1; @@ -450,14 +936,12 @@ snd_azf3328_info_mixer(struct snd_kcontrol *kcontrol, { 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; } @@ -467,9 +951,8 @@ snd_azf3328_get_mixer(struct snd_kcontrol *kcontrol, { struct snd_azf3328 *chip = snd_kcontrol_chip(kcontrol); struct azf3328_mixer_reg reg; - unsigned int oreg, val; + u16 oreg, val; - snd_azf3328_dbgcallenter(); snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); oreg = snd_azf3328_mixer_inw(chip, reg.reg); @@ -483,12 +966,11 @@ snd_azf3328_get_mixer(struct snd_kcontrol *kcontrol, 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", + dev_dbg(chip->card->dev, + "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; } @@ -498,9 +980,8 @@ snd_azf3328_put_mixer(struct snd_kcontrol *kcontrol, { struct snd_azf3328 *chip = snd_kcontrol_chip(kcontrol); struct azf3328_mixer_reg reg; - unsigned int oreg, nreg, val; + 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; @@ -524,12 +1005,11 @@ snd_azf3328_put_mixer(struct snd_kcontrol *kcontrol, 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", + dev_dbg(chip->card->dev, + "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); } @@ -544,13 +1024,14 @@ snd_azf3328_info_mixer_enum(struct snd_kcontrol *kcontrol, "Mix", "Mic" }; static const char * const texts3[] = { - "Mic", "CD", "Video", "Aux", + "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; @@ -561,18 +1042,20 @@ snd_azf3328_info_mixer_enum(struct snd_kcontrol *kcontrol, if (reg.reg == IDX_MIXER_ADVCTL2) { switch(reg.lchan_shift) { case 8: /* modem out sel */ - strcpy(uinfo->value.enumerated.name, texts1[uinfo->value.enumerated.item]); + p = texts1; break; case 9: /* mono sel source */ - strcpy(uinfo->value.enumerated.name, texts2[uinfo->value.enumerated.item]); + p = texts2; break; case 15: /* PCM Out Path */ - strcpy(uinfo->value.enumerated.name, texts4[uinfo->value.enumerated.item]); + p = texts4; break; } } else - strcpy(uinfo->value.enumerated.name, texts3[uinfo->value.enumerated.item] -); + if (reg.reg == IDX_MIXER_REC_SELECT) + p = texts3; + + strcpy(uinfo->value.enumerated.name, p[uinfo->value.enumerated.item]); return 0; } @@ -583,7 +1066,7 @@ snd_azf3328_get_mixer_enum(struct snd_kcontrol *kcontrol, 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) { @@ -592,7 +1075,8 @@ snd_azf3328_get_mixer_enum(struct snd_kcontrol *kcontrol, } 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", + dev_dbg(chip->card->dev, + "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; @@ -604,8 +1088,8 @@ snd_azf3328_put_mixer_enum(struct snd_kcontrol *kcontrol, { struct snd_azf3328 *chip = snd_kcontrol_chip(kcontrol); struct azf3328_mixer_reg reg; - unsigned int oreg, nreg, val; - + u16 oreg, nreg, val; + snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); oreg = snd_azf3328_mixer_inw(chip, reg.reg); val = oreg; @@ -624,16 +1108,19 @@ snd_azf3328_put_mixer_enum(struct snd_kcontrol *kcontrol, 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); + dev_dbg(chip->card->dev, + "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 = { +static struct snd_kcontrol_new snd_azf3328_mixer_controls[] = { 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("Wave Playback Switch", IDX_MIXER_WAVEOUT, 15, 1), - AZF3328_MIXER_VOL_STEREO("Wave Playback Volume", IDX_MIXER_WAVEOUT, 0x1f, 1), - AZF3328_MIXER_SWITCH("Wave 3D Bypass Playback Switch", IDX_MIXER_ADVCTL2, 7, 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), @@ -646,8 +1133,8 @@ static struct snd_kcontrol_new snd_azf3328_mixer_controls[] __devinitdata = { 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("PC Speaker Playback Switch", IDX_MIXER_PCBEEP, 15, 1), - AZF3328_MIXER_VOL_SPECIAL("PC Speaker Playback Volume", IDX_MIXER_PCBEEP, 0x0f, 1, 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), @@ -684,7 +1171,7 @@ static struct snd_kcontrol_new snd_azf3328_mixer_controls[] __devinitdata = { #endif }; -static u16 __devinitdata snd_azf3328_init_values[][2] = { +static u16 snd_azf3328_init_values[][2] = { { IDX_MIXER_PLAY_MASTER, MIXER_MUTE_MASK|0x1f1f }, { IDX_MIXER_MODEMOUT, MIXER_MUTE_MASK|0x1f1f }, { IDX_MIXER_BASSTREBLE, 0x0000 }, @@ -700,7 +1187,7 @@ static u16 __devinitdata snd_azf3328_init_values[][2] = { { IDX_MIXER_REC_VOLUME, MIXER_MUTE_MASK|0x0707 }, }; -static int __devinit +static int snd_azf3328_mixer_new(struct snd_azf3328 *chip) { struct snd_card *card; @@ -708,8 +1195,8 @@ snd_azf3328_mixer_new(struct snd_azf3328 *chip) unsigned int idx; int err; - snd_azf3328_dbgcallenter(); - snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); + if (snd_BUG_ON(!chip || !chip->card)) + return -EINVAL; card = chip->card; @@ -717,76 +1204,71 @@ snd_azf3328_mixer_new(struct snd_azf3328 *chip) 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++) { + 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++) { + 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; + return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); } 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_setfmt(struct snd_azf3328 *chip, - unsigned int reg, - unsigned int bitrate, +snd_azf3328_codec_setfmt(struct snd_azf3328_codec_data *codec, + enum azf_freq_t bitrate, unsigned int format_width, unsigned int channels ) { - u16 val = 0xff00; unsigned long flags; + u16 val = 0xff00; + u8 freq = 0; - snd_azf3328_dbgcallenter(); switch (bitrate) { - case 4000: val |= SOUNDFORMAT_FREQ_SUSPECTED_4000; break; - case 4800: val |= SOUNDFORMAT_FREQ_SUSPECTED_4800; break; - case 5512: val |= SOUNDFORMAT_FREQ_5510; break; /* the AZF3328 names it "5510" for some strange reason */ - case 6620: val |= SOUNDFORMAT_FREQ_6620; break; - case 8000: val |= SOUNDFORMAT_FREQ_8000; break; - case 9600: val |= SOUNDFORMAT_FREQ_9600; break; - case 11025: val |= SOUNDFORMAT_FREQ_11025; break; - case 13240: val |= SOUNDFORMAT_FREQ_SUSPECTED_13240; break; - case 16000: val |= SOUNDFORMAT_FREQ_16000; break; - case 22050: val |= SOUNDFORMAT_FREQ_22050; break; - case 32000: val |= SOUNDFORMAT_FREQ_32000; break; - case 44100: val |= SOUNDFORMAT_FREQ_44100; break; - case 48000: val |= SOUNDFORMAT_FREQ_48000; break; - case 66200: val |= SOUNDFORMAT_FREQ_SUSPECTED_66200; break; + 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); - val |= SOUNDFORMAT_FREQ_44100; - break; + /* 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? */ @@ -798,17 +1280,19 @@ snd_azf3328_setfmt(struct snd_azf3328 *chip, /* 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(&chip->reg_lock, flags); - + spin_lock_irqsave(codec->lock, flags); + /* set bitrate/format */ - snd_azf3328_codec_outw(chip, reg, val); - + 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 @@ -816,465 +1300,693 @@ snd_azf3328_setfmt(struct snd_azf3328 *chip, * (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? */ - if (reg == IDX_IO_PLAY_SOUNDFORMAT) /* only do it for playback */ - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, - snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS) | - DMA_PLAY_SOMETHING1 | - DMA_PLAY_SOMETHING2 | + /* 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(&chip->reg_lock, flags); - snd_azf3328_dbgcallleave(); + spin_unlock_irqrestore(codec->lock, flags); +} + +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_setdmaa(struct snd_azf3328 *chip, - long unsigned int addr, - unsigned int count, - unsigned int size, - int do_recording) -{ - unsigned long flags, portbase; - unsigned int is_running; - - snd_azf3328_dbgcallenter(); - if (do_recording) { - /* access capture registers, i.e. skip playback reg section */ - portbase = chip->codec_port + 0x20; - is_running = chip->is_recording; - } else { - /* access the playback register section */ - portbase = chip->codec_port + 0x00; - is_running = chip->is_playing; - } +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; + dev_dbg(chip->card->dev, + "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); +} - /* AZF3328 uses a two buffer pointer DMA playback approach */ - if (!is_running) { - unsigned long addr_area2; - unsigned long count_areas, count_tmp; /* width 32bit -- overflow!! */ - count_areas = size/2; - addr_area2 = addr+count_areas; - count_areas--; /* max. index */ - snd_azf3328_dbgplay("set DMA: buf1 %08lx[%lu], buf2 %08lx[%lu]\n", addr, count_areas, addr_area2, count_areas); +static inline void +snd_azf3328_ctrl_enable_codecs(struct snd_azf3328 *chip, bool enable) +{ + dev_dbg(chip->card->dev, "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 + ); +} - /* build combined I/O buffer length word */ - count_tmp = count_areas; - count_areas |= (count_tmp << 16); - spin_lock_irqsave(&chip->reg_lock, flags); - outl(addr, portbase + IDX_IO_PLAY_DMA_START_1); - outl(addr_area2, portbase + IDX_IO_PLAY_DMA_START_2); - outl(count_areas, portbase + IDX_IO_PLAY_DMA_LEN_1); - spin_unlock_irqrestore(&chip->reg_lock, flags); +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); + + dev_dbg(chip->card->dev, + "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; } - snd_azf3328_dbgcallleave(); } -static int -snd_azf3328_playback_prepare(struct snd_pcm_substream *substream) +static void +snd_azf3328_codec_setdmaa(struct snd_azf3328 *chip, + struct snd_azf3328_codec_data *codec, + unsigned long addr, + unsigned int period_bytes, + unsigned int buffer_bytes +) { -#if 0 - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned int size = snd_pcm_lib_buffer_bytes(substream); - unsigned int count = snd_pcm_lib_period_bytes(substream); -#endif + 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; + + dev_dbg(chip->card->dev, + "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 *| + */ - snd_azf3328_dbgcallenter(); -#if 0 - snd_azf3328_setfmt(chip, IDX_IO_PLAY_SOUNDFORMAT, - runtime->rate, - snd_pcm_format_width(runtime->format), - runtime->channels); - snd_azf3328_setdmaa(chip, runtime->dma_addr, count, size, 0); -#endif - snd_azf3328_dbgcallleave(); - return 0; + /* 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); + } } static int -snd_azf3328_capture_prepare(struct snd_pcm_substream *substream) +snd_azf3328_pcm_prepare(struct snd_pcm_substream *substream) { -#if 0 - 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; +#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_setfmt(chip, IDX_IO_REC_SOUNDFORMAT, + snd_azf3328_codec_setfmt(codec, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels); - snd_azf3328_setdmaa(chip, runtime->dma_addr, count, size, 1); + snd_azf3328_codec_setdmaa(chip, codec, + runtime->dma_addr, count, size); #endif - snd_azf3328_dbgcallleave(); return 0; } static int -snd_azf3328_playback_trigger(struct snd_pcm_substream *substream, int cmd) +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; - unsigned int status1; - - snd_azf3328_dbgcalls("snd_azf3328_playback_trigger cmd %d\n", cmd); + u16 flags1; + bool previously_muted = false; + bool is_main_mixer_playback_codec = (AZF_CODEC_PLAYBACK == codec->type); switch (cmd) { case SNDRV_PCM_TRIGGER_START: - snd_azf3328_dbgplay("START PLAYBACK\n"); - - /* mute WaveOut */ - snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 1); + dev_dbg(chip->card->dev, "START PCM %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_setfmt(chip, IDX_IO_PLAY_SOUNDFORMAT, + snd_azf3328_codec_setfmt(codec, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels); - spin_lock(&chip->reg_lock); - /* stop playback */ - status1 = snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS); - status1 &= ~DMA_RESUME; - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, status1); - + 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(chip, IDX_IO_PLAY_IRQTYPE, 0xffff); - spin_unlock(&chip->reg_lock); + snd_azf3328_codec_outw(codec, IDX_IO_CODEC_IRQTYPE, 0xffff); + spin_unlock(codec->lock); - snd_azf3328_setdmaa(chip, runtime->dma_addr, + snd_azf3328_codec_setdmaa(chip, codec, runtime->dma_addr, snd_pcm_lib_period_bytes(substream), - snd_pcm_lib_buffer_bytes(substream), - 0); + snd_pcm_lib_buffer_bytes(substream) + ); - spin_lock(&chip->reg_lock); + spin_lock(codec->lock); #ifdef WIN9X /* FIXME: enable playback/recording??? */ - status1 |= DMA_PLAY_SOMETHING1 | DMA_PLAY_SOMETHING2; - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, status1); + flags1 |= DMA_RUN_SOMETHING1 | DMA_RUN_SOMETHING2; + snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1); - /* start playback again */ + /* start transfer again */ /* FIXME: what is this value (0x0010)??? */ - status1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING; - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, status1); + flags1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING; + snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1); #else /* NT4 */ - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, + snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, 0x0000); - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, - DMA_PLAY_SOMETHING1); - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, - DMA_PLAY_SOMETHING1 | - DMA_PLAY_SOMETHING2); - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, + 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(&chip->reg_lock); - - /* now unmute WaveOut */ - snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 0); + 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 + ); + } - chip->is_playing = 1; - snd_azf3328_dbgplay("STARTED PLAYBACK\n"); + dev_dbg(chip->card->dev, "PCM STARTED %s\n", codec->name); break; case SNDRV_PCM_TRIGGER_RESUME: - snd_azf3328_dbgplay("RESUME PLAYBACK\n"); - /* resume playback if we were active */ - if (chip->is_playing) - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, - snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS) | DMA_RESUME); + dev_dbg(chip->card->dev, "PCM 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_dbgplay("STOP PLAYBACK\n"); - - /* mute WaveOut */ - snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 1); + dev_dbg(chip->card->dev, "PCM 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(&chip->reg_lock); - /* stop playback */ - status1 = snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS); + spin_lock(codec->lock); + /* first, remember current value: */ + flags1 = snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS); - status1 &= ~DMA_RESUME; - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, status1); + /* 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... */ - status1 |= DMA_PLAY_SOMETHING1; - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, status1); + 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 + ); + } - status1 &= ~DMA_PLAY_SOMETHING1; - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, status1); - spin_unlock(&chip->reg_lock); - - /* now unmute WaveOut */ - snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 0); - chip->is_playing = 0; - snd_azf3328_dbgplay("STOPPED PLAYBACK\n"); + dev_dbg(chip->card->dev, "PCM STOPPED %s\n", codec->name); break; case SNDRV_PCM_TRIGGER_SUSPEND: - snd_azf3328_dbgplay("SUSPEND PLAYBACK\n"); - /* make sure playback is stopped */ - snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, - snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS) & ~DMA_RESUME); + dev_dbg(chip->card->dev, "PCM 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"); + WARN(1, "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"); + WARN(1, "FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n"); break; default: - printk(KERN_ERR "FIXME: unknown trigger mode!\n"); + WARN(1, "FIXME: unknown trigger mode!\n"); return -EINVAL; } - - snd_azf3328_dbgcallleave(); + return result; } -/* this is just analogous to playback; I'm not quite sure whether recording - * should actually be triggered like that */ -static int -snd_azf3328_capture_trigger(struct snd_pcm_substream *substream, int cmd) +static snd_pcm_uframes_t +snd_azf3328_pcm_pointer(struct snd_pcm_substream *substream +) { - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - int result = 0; - unsigned int status1; + const struct snd_azf3328_codec_data *codec = + substream->runtime->private_data; + unsigned long result; + snd_pcm_uframes_t frmres; - snd_azf3328_dbgcalls("snd_azf3328_capture_trigger cmd %d\n", cmd); + result = snd_azf3328_codec_inl(codec, IDX_IO_CODEC_DMA_CURRPOS); - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: + /* 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); + dev_dbg(substream->pcm->card->dev, "%08li %s @ 0x%8lx, frames %8ld\n", + jiffies, codec->name, result, frmres); + return frmres; +} - snd_azf3328_dbgplay("START CAPTURE\n"); +/******************************************************************/ - snd_azf3328_setfmt(chip, IDX_IO_REC_SOUNDFORMAT, - runtime->rate, - snd_pcm_format_width(runtime->format), - runtime->channels); +#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 + ); +} - spin_lock(&chip->reg_lock); - /* stop recording */ - status1 = snd_azf3328_codec_inw(chip, IDX_IO_REC_FLAGS); - status1 &= ~DMA_RESUME; - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, status1); - - /* FIXME: clear interrupts or what??? */ - snd_azf3328_codec_outw(chip, IDX_IO_REC_IRQTYPE, 0xffff); - spin_unlock(&chip->reg_lock); +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 + ); +} - snd_azf3328_setdmaa(chip, runtime->dma_addr, - snd_pcm_lib_period_bytes(substream), - snd_pcm_lib_buffer_bytes(substream), - 1); +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 + ); +} - spin_lock(&chip->reg_lock); -#ifdef WIN9X - /* FIXME: enable playback/recording??? */ - status1 |= DMA_PLAY_SOMETHING1 | DMA_PLAY_SOMETHING2; - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, status1); +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 + ); +} - /* start capture again */ - /* FIXME: what is this value (0x0010)??? */ - status1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING; - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, status1); -#else - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, - 0x0000); - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, - DMA_PLAY_SOMETHING1); - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, - DMA_PLAY_SOMETHING1 | - DMA_PLAY_SOMETHING2); - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, - DMA_RESUME | - SOMETHING_ALMOST_ALWAYS_SET | - DMA_EPILOGUE_SOMETHING | - DMA_SOMETHING_ELSE); -#endif - spin_unlock(&chip->reg_lock); +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!) + */ + dev_dbg(chip->card->dev, "gameport irq\n"); + + /* this should ACK the gameport IRQ properly, hopefully. */ + snd_azf3328_game_inw(chip, IDX_GAME_AXIS_VALUE); +} - chip->is_recording = 1; - snd_azf3328_dbgplay("STARTED CAPTURE\n"); +static int +snd_azf3328_gameport_open(struct gameport *gameport, int mode) +{ + struct snd_azf3328 *chip = gameport_get_port_data(gameport); + int res; + + dev_dbg(chip->card->dev, "gameport_open, mode %d\n", mode); + switch (mode) { + case GAMEPORT_MODE_COOKED: + case GAMEPORT_MODE_RAW: + res = 0; break; - case SNDRV_PCM_TRIGGER_RESUME: - snd_azf3328_dbgplay("RESUME CAPTURE\n"); - /* resume recording if we were active */ - if (chip->is_recording) - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, - snd_azf3328_codec_inw(chip, IDX_IO_REC_FLAGS) | DMA_RESUME); + default: + res = -1; break; - case SNDRV_PCM_TRIGGER_STOP: - snd_azf3328_dbgplay("STOP CAPTURE\n"); + } - spin_lock(&chip->reg_lock); - /* stop recording */ - status1 = snd_azf3328_codec_inw(chip, IDX_IO_REC_FLAGS); + snd_azf3328_gameport_set_counter_frequency(chip, + GAME_HWCFG_ADC_COUNTER_FREQ_STD); + snd_azf3328_gameport_axis_circuit_enable(chip, (res == 0)); - status1 &= ~DMA_RESUME; - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, status1); + return res; +} - status1 |= DMA_PLAY_SOMETHING1; - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, status1); +static void +snd_azf3328_gameport_close(struct gameport *gameport) +{ + struct snd_azf3328 *chip = gameport_get_port_data(gameport); - status1 &= ~DMA_PLAY_SOMETHING1; - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, status1); - spin_unlock(&chip->reg_lock); - - chip->is_recording = 0; - snd_azf3328_dbgplay("STOPPED CAPTURE\n"); - break; - case SNDRV_PCM_TRIGGER_SUSPEND: - snd_azf3328_dbgplay("SUSPEND CAPTURE\n"); - /* make sure recording is stopped */ - snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, - snd_azf3328_codec_inw(chip, IDX_IO_REC_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: - printk(KERN_ERR "FIXME: unknown trigger mode!\n"); - return -EINVAL; + dev_dbg(chip->card->dev, "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 + ); + } } - - snd_azf3328_dbgcallleave(); - return result; + + /* 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; + } + + dev_dbg(chip->card->dev, "cooked_read: axes %d %d %d %d buttons %d\n", + axes[0], axes[1], axes[2], axes[3], *buttons); + + return 0; } -static snd_pcm_uframes_t -snd_azf3328_playback_pointer(struct snd_pcm_substream *substream) +static int +snd_azf3328_gameport(struct snd_azf3328 *chip, int dev) { - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); - unsigned long bufptr, result; - snd_pcm_uframes_t frmres; + struct gameport *gp; -#ifdef QUERY_HARDWARE - bufptr = inl(chip->codec_port+IDX_IO_PLAY_DMA_START_1); + chip->gameport = gp = gameport_allocate_port(); + if (!gp) { + dev_err(chip->card->dev, "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 - bufptr = substream->runtime->dma_addr; -#endif - result = inl(chip->codec_port+IDX_IO_PLAY_DMA_CURRPOS); +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) +{ + dev_warn(chip->card->dev, "huh, game port IRQ occurred!?\n"); +} +#endif /* SUPPORT_GAMEPORT */ - /* calculate offset */ - result -= bufptr; - frmres = bytes_to_frames( substream->runtime, result); - snd_azf3328_dbgplay("PLAY @ 0x%8lx, frames %8ld\n", result, frmres); - return frmres; +/******************************************************************/ + +static inline void +snd_azf3328_irq_log_unknown_type(struct snd_azf3328 *chip, u8 which) +{ + dev_dbg(chip->card->dev, + "unknown IRQ type (%x) occurred, please report!\n", + which); } -static snd_pcm_uframes_t -snd_azf3328_capture_pointer(struct snd_pcm_substream *substream) +static inline void +snd_azf3328_pcm_interrupt(struct snd_azf3328 *chip, + const struct snd_azf3328_codec_data *first_codec, + u8 status +) { - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); - unsigned long bufptr, result; - snd_pcm_uframes_t frmres; + u8 which; + enum snd_azf3328_codec_type codec_type; + const struct snd_azf3328_codec_data *codec = first_codec; -#ifdef QUERY_HARDWARE - bufptr = inl(chip->codec_port+IDX_IO_REC_DMA_START_1); -#else - bufptr = substream->runtime->dma_addr; -#endif - result = inl(chip->codec_port+IDX_IO_REC_DMA_CURRPOS); + for (codec_type = AZF_CODEC_PLAYBACK; + codec_type <= AZF_CODEC_I2S_OUT; + ++codec_type, ++codec) { - /* calculate offset */ - result -= bufptr; - frmres = bytes_to_frames( substream->runtime, result); - snd_azf3328_dbgplay("REC @ 0x%8lx, frames %8ld\n", result, frmres); - return frmres; + /* 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); + dev_dbg(chip->card->dev, "%s period done (#%x), @ %x\n", + codec->name, + which, + snd_azf3328_codec_inl( + codec, IDX_IO_CODEC_DMA_CURRPOS)); + } else + dev_warn(chip->card->dev, "irq handler problem!\n"); + if (which & IRQ_SOMETHING) + snd_azf3328_irq_log_unknown_type(chip, which); + } } static irqreturn_t snd_azf3328_interrupt(int irq, void *dev_id) { struct snd_azf3328 *chip = dev_id; - u8 status, which; + u8 status; static unsigned long irq_count; - status = snd_azf3328_codec_inb(chip, IDX_IO_IRQSTATUS); + status = snd_azf3328_ctrl_inb(chip, IDX_IO_IRQSTATUS); /* fast path out, to ease interrupt sharing */ - if (!(status & (IRQ_PLAYBACK|IRQ_RECORDING|IRQ_MPU401|IRQ_TIMER))) + 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_dbgplay("Interrupt %ld!\nIDX_IO_PLAY_FLAGS %04x, IDX_IO_PLAY_IRQTYPE %04x, IDX_IO_IRQSTATUS %04x\n", - irq_count, - snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS), - snd_azf3328_codec_inw(chip, IDX_IO_PLAY_IRQTYPE), - status); - + dev_dbg(chip->card->dev, + "irq_count %ld! IDX_IO_IRQSTATUS %04x\n", + irq_count++ /* debug-only */, + status); + if (status & IRQ_TIMER) { - /* snd_azf3328_dbgplay("timer %ld\n", inl(chip->codec_port+IDX_IO_TIMER_VALUE) & TIMER_VALUE_MASK); */ + /* dev_dbg(chip->card->dev, "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_codec_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x07); + snd_azf3328_ctrl_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x07); spin_unlock(&chip->reg_lock); - snd_azf3328_dbgplay("azt3328: timer IRQ\n"); + dev_dbg(chip->card->dev, "timer IRQ\n"); } - if (status & IRQ_PLAYBACK) { - spin_lock(&chip->reg_lock); - which = snd_azf3328_codec_inb(chip, IDX_IO_PLAY_IRQTYPE); - /* ack all IRQ types immediately */ - snd_azf3328_codec_outb(chip, IDX_IO_PLAY_IRQTYPE, which); - spin_unlock(&chip->reg_lock); - if (chip->pcm && chip->playback_substream) { - snd_pcm_period_elapsed(chip->playback_substream); - snd_azf3328_dbgplay("PLAY period done (#%x), @ %x\n", - which, - inl(chip->codec_port+IDX_IO_PLAY_DMA_CURRPOS)); - } else - snd_azf3328_dbgplay("azt3328: ouch, irq handler problem!\n"); - if (which & IRQ_PLAY_SOMETHING) - snd_azf3328_dbgplay("azt3328: unknown play IRQ type occurred, please report!\n"); - } - if (status & IRQ_RECORDING) { - spin_lock(&chip->reg_lock); - which = snd_azf3328_codec_inb(chip, IDX_IO_REC_IRQTYPE); - /* ack all IRQ types immediately */ - snd_azf3328_codec_outb(chip, IDX_IO_REC_IRQTYPE, which); - spin_unlock(&chip->reg_lock); + if (status & (IRQ_PLAYBACK|IRQ_RECORDING|IRQ_I2S_OUT)) + snd_azf3328_pcm_interrupt(chip, chip->codecs, status); + + if (status & IRQ_GAMEPORT) + snd_azf3328_gameport_interrupt(chip); - if (chip->pcm && chip->capture_substream) { - snd_pcm_period_elapsed(chip->capture_substream); - snd_azf3328_dbgplay("REC period done (#%x), @ %x\n", - which, - inl(chip->codec_port+IDX_IO_REC_DMA_CURRPOS)); - } else - snd_azf3328_dbgplay("azt3328: ouch, irq handler problem!\n"); - if (which & IRQ_REC_SOMETHING) - snd_azf3328_dbgplay("azt3328: unknown rec IRQ type occurred, please report!\n"); - } /* 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... */ - snd_azf3328_dbgplay("azt3328: MPU401 IRQ\n"); + * If so, then I don't know how yet... */ + dev_dbg(chip->card->dev, "MPU401 IRQ\n"); } - irq_count++; return IRQ_HANDLED; } /*****************************************************************/ -static const struct snd_pcm_hardware snd_azf3328_playback = +/* 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 | @@ -1287,52 +1999,45 @@ static const struct snd_pcm_hardware snd_azf3328_playback = .rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_KNOT, - .rate_min = 4000, - .rate_max = 66200, + .rate_min = AZF_FREQ_4000, + .rate_max = AZF_FREQ_66200, .channels_min = 1, .channels_max = 2, - .buffer_bytes_max = 65536, - .period_bytes_min = 64, - .period_bytes_max = 65536, - .periods_min = 1, - .periods_max = 1024, + .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 const struct snd_pcm_hardware snd_azf3328_capture = -{ - /* FIXME */ - .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 = 4000, - .rate_max = 66200, - .channels_min = 1, - .channels_max = 2, - .buffer_bytes_max = 65536, - .period_bytes_min = 64, - .period_bytes_max = 65536, - .periods_min = 1, - .periods_max = 1024, - .fifo_size = 0, -}; - static unsigned int snd_azf3328_fixed_rates[] = { - 4000, 4800, 5512, 6620, 8000, 9600, 11025, 13240, 16000, 22050, 32000, - 44100, 48000, 66200 }; + 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), + .count = ARRAY_SIZE(snd_azf3328_fixed_rates), .list = snd_azf3328_fixed_rates, .mask = 0, }; @@ -1340,202 +2045,140 @@ static struct snd_pcm_hw_constraint_list snd_azf3328_hw_constraints_rates = { /*****************************************************************/ static int -snd_azf3328_playback_open(struct snd_pcm_substream *substream) +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]; + + codec->substream = substream; + + /* same parameters for all our codecs - at least we think so... */ + runtime->hw = snd_azf3328_hardware; - snd_azf3328_dbgcallenter(); - chip->playback_substream = substream; - runtime->hw = snd_azf3328_playback; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &snd_azf3328_hw_constraints_rates); - snd_azf3328_dbgcallleave(); + runtime->private_data = codec; return 0; } static int -snd_azf3328_capture_open(struct snd_pcm_substream *substream) +snd_azf3328_pcm_playback_open(struct snd_pcm_substream *substream) { - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - - snd_azf3328_dbgcallenter(); - chip->capture_substream = substream; - runtime->hw = snd_azf3328_capture; - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, - &snd_azf3328_hw_constraints_rates); - snd_azf3328_dbgcallleave(); - return 0; + return snd_azf3328_pcm_open(substream, AZF_CODEC_PLAYBACK); } static int -snd_azf3328_playback_close(struct snd_pcm_substream *substream) +snd_azf3328_pcm_capture_open(struct snd_pcm_substream *substream) { - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); + return snd_azf3328_pcm_open(substream, AZF_CODEC_CAPTURE); +} - snd_azf3328_dbgcallenter(); - chip->playback_substream = NULL; - snd_azf3328_dbgcallleave(); - return 0; +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_capture_close(struct snd_pcm_substream *substream) +snd_azf3328_pcm_close(struct snd_pcm_substream *substream +) { - struct snd_azf3328 *chip = snd_pcm_substream_chip(substream); + struct snd_azf3328_codec_data *codec = + substream->runtime->private_data; - snd_azf3328_dbgcallenter(); - chip->capture_substream = NULL; - snd_azf3328_dbgcallleave(); + codec->substream = NULL; return 0; } /******************************************************************/ static struct snd_pcm_ops snd_azf3328_playback_ops = { - .open = snd_azf3328_playback_open, - .close = snd_azf3328_playback_close, + .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_playback_prepare, - .trigger = snd_azf3328_playback_trigger, - .pointer = snd_azf3328_playback_pointer + .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_capture_open, - .close = snd_azf3328_capture_close, + .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_capture_prepare, - .trigger = snd_azf3328_capture_trigger, - .pointer = snd_azf3328_capture_pointer + .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, int device) +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 +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(); - if ((err = snd_pcm_new(chip->card, "AZF3328 DSP", device, 1, 1, &pcm)) < 0) + 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); + 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); - chip->pcm = pcm; + /* 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); - - snd_azf3328_dbgcallleave(); - return 0; -} - -/******************************************************************/ - -#ifdef SUPPORT_JOYSTICK -static int __devinit -snd_azf3328_config_joystick(struct snd_azf3328 *chip, int dev) -{ - struct gameport *gp; - struct resource *r; + snd_dma_pci_data(chip->pci), + 64*1024, 64*1024); - if (!joystick[dev]) - return -ENODEV; - - if (!(r = request_region(0x200, 8, "AZF3328 gameport"))) { - printk(KERN_WARNING "azt3328: cannot reserve joystick ports\n"); - return -EBUSY; - } - - chip->gameport = gp = gameport_allocate_port(); - if (!gp) { - printk(KERN_ERR "azt3328: cannot allocate memory for gameport\n"); - release_and_free_resource(r); - 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 = 0x200; - gameport_set_port_data(gp, r); + 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); - snd_azf3328_io2_outb(chip, IDX_IO2_LEGACY_ADDR, - snd_azf3328_io2_inb(chip, IDX_IO2_LEGACY_ADDR) | LEGACY_JOY); + pcm->private_data = chip; + pcm->info_flags = 0; + strcpy(pcm->name, chip->card->shortname); + chip->pcm[AZF_CODEC_I2S_OUT] = pcm; - gameport_register_port(chip->gameport); + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, + snd_dma_pci_data(chip->pci), + 64*1024, 64*1024); return 0; } -static void -snd_azf3328_free_joystick(struct snd_azf3328 *chip) -{ - if (chip->gameport) { - struct resource *r = gameport_get_port_data(chip->gameport); - - gameport_unregister_port(chip->gameport); - chip->gameport = NULL; - /* disable gameport */ - snd_azf3328_io2_outb(chip, IDX_IO2_LEGACY_ADDR, - snd_azf3328_io2_inb(chip, IDX_IO2_LEGACY_ADDR) & ~LEGACY_JOY); - release_and_free_resource(r); - } -} -#else -static inline int -snd_azf3328_config_joystick(struct snd_azf3328 *chip, int dev) { return -ENOSYS; } -static inline void -snd_azf3328_free_joystick(struct snd_azf3328 *chip) { } -#endif - /******************************************************************/ -static int -snd_azf3328_free(struct snd_azf3328 *chip) -{ - if (chip->irq < 0) - goto __end_hw; - - /* reset (close) mixer */ - snd_azf3328_mixer_set_mute(chip, IDX_MIXER_PLAY_MASTER, 1); /* first mute master volume */ - snd_azf3328_mixer_outw(chip, IDX_MIXER_RESET, 0x0000); - - /* interrupt setup - mask everything (FIXME!) */ - /* well, at least we know how to disable the timer IRQ */ - snd_azf3328_codec_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x00); - - synchronize_irq(chip->irq); -__end_hw: - snd_azf3328_free_joystick(chip); - 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); -} - -/******************************************************************/ - -/*** NOTE: the physical timer resolution actually is 1024000 ticks per second, +/*** 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. @@ -1551,7 +2194,6 @@ snd_azf3328_timer_start(struct snd_timer *timer) 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) { @@ -1559,15 +2201,14 @@ snd_azf3328_timer_start(struct snd_timer *timer) * this timing tweak * (we need to do it to avoid a lockup, though) */ - snd_azf3328_dbgtimer("delay was too low (%d)!\n", delay); + dev_dbg(chip->card->dev, "delay was too low (%d)!\n", delay); delay = 49; /* minimum time is 49 ticks */ } - snd_azf3328_dbgtimer("setting timer countdown value %d, add COUNTDOWN|IRQ\n", delay); - delay |= TIMER_ENABLE_COUNTDOWN | TIMER_ENABLE_IRQ; + dev_dbg(chip->card->dev, "setting timer countdown value %d\n", delay); + delay |= TIMER_COUNTDOWN_ENABLE | TIMER_IRQ_ENABLE; spin_lock_irqsave(&chip->reg_lock, flags); - snd_azf3328_codec_outl(chip, IDX_IO_TIMER_VALUE, delay); + snd_azf3328_ctrl_outl(chip, IDX_IO_TIMER_VALUE, delay); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_azf3328_dbgcallleave(); return 0; } @@ -1577,14 +2218,17 @@ 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 */ - /* FIXME: should we write TIMER_ACK_IRQ here? */ - snd_azf3328_codec_outb(chip, IDX_IO_TIMER_VALUE + 3, 0); + /* 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; } @@ -1593,10 +2237,8 @@ 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; } @@ -1609,14 +2251,13 @@ static struct snd_timer_hardware snd_azf3328_timer_hw = { .precise_resolution = snd_azf3328_timer_precise_resolution, }; -static int __devinit +static int 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; @@ -1625,9 +2266,10 @@ snd_azf3328_timer(struct snd_azf3328 *chip, int device) snd_azf3328_timer_hw.resolution *= seqtimer_scaling; snd_azf3328_timer_hw.ticks /= seqtimer_scaling; - if ((err = snd_timer_new(chip->card, "AZF3328", &tid, &timer)) < 0) { + + err = snd_timer_new(chip->card, "AZF3328", &tid, &timer); + if (err < 0) goto out; - } strcpy(timer->name, "AZF3328 timer"); timer->private_data = chip; @@ -1635,19 +2277,50 @@ snd_azf3328_timer(struct snd_azf3328 *chip, int device) 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 int reg, int bit) +snd_azf3328_test_bit(unsigned unsigned reg, int bit) { unsigned char val, valoff, valon; @@ -1658,53 +2331,86 @@ snd_azf3328_test_bit(unsigned int reg, int bit) outb(val|(1 << bit), reg); valon = inb(reg); - + outb(val, reg); - printk(KERN_ERR "reg %04x bit %d: %02x %02x %02x\n", reg, bit, val, valoff, valon); + printk(KERN_DEBUG "reg %04x bit %d: %02x %02x %02x\n", + reg, bit, val, valoff, valon + ); } #endif -#if DEBUG_MISC -static void +static inline void snd_azf3328_debug_show_ports(const struct snd_azf3328 *chip) { u16 tmp; - snd_azf3328_dbgmisc("codec_port 0x%lx, io2_port 0x%lx, mpu_port 0x%lx, synth_port 0x%lx, mixer_port 0x%lx, irq %d\n", chip->codec_port, chip->io2_port, chip->mpu_port, chip->synth_port, chip->mixer_port, chip->irq); - - snd_azf3328_dbgmisc("io2 %02x %02x %02x %02x %02x %02x\n", snd_azf3328_io2_inb(chip, 0), snd_azf3328_io2_inb(chip, 1), snd_azf3328_io2_inb(chip, 2), snd_azf3328_io2_inb(chip, 3), snd_azf3328_io2_inb(chip, 4), snd_azf3328_io2_inb(chip, 5)); - - for (tmp=0; tmp <= 0x01; tmp += 1) - snd_azf3328_dbgmisc("0x%02x: opl 0x%04x, mpu300 0x%04x, mpu310 0x%04x, mpu320 0x%04x, mpu330 0x%04x\n", tmp, inb(0x388 + tmp), inb(0x300 + tmp), inb(0x310 + tmp), inb(0x320 + tmp), inb(0x330 + tmp)); - - for (tmp = 0; tmp < AZF_IO_SIZE_CODEC; tmp += 2) - snd_azf3328_dbgmisc("codec 0x%02x: 0x%04x\n", tmp, snd_azf3328_codec_inw(chip, tmp)); + dev_dbg(chip->card->dev, + "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); + + dev_dbg(chip->card->dev, + "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) + dev_dbg(chip->card->dev, + "mpu_io 0x%04x\n", inb(chip->mpu_io + tmp)); + + for (tmp = 0; tmp <= 0x07; tmp += 1) + dev_dbg(chip->card->dev, + "0x%02x: game200 0x%04x, game208 0x%04x\n", + tmp, inb(0x200 + tmp), inb(0x208 + tmp)); + + for (tmp = 0; tmp <= 0x01; tmp += 1) + dev_dbg(chip->card->dev, + "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) + dev_dbg(chip->card->dev, + "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)); + dev_dbg(chip->card->dev, + "mixer 0x%02x: 0x%04x\n", + tmp, snd_azf3328_mixer_inw(chip, tmp)); } -#else -static inline void -snd_azf3328_debug_show_ports(const struct snd_azf3328 *chip) {} -#endif -static int __devinit +static int snd_azf3328_create(struct snd_card *card, - struct pci_dev *pci, - unsigned long device_type, - struct snd_azf3328 ** rchip) + 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, }; - u16 tmp; + u8 dma_init; + enum snd_azf3328_codec_type codec_type; + struct snd_azf3328_codec_data *codec_setup; *rchip = NULL; - if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err; chip = kzalloc(sizeof(*chip), GFP_KERNEL); @@ -1718,26 +2424,46 @@ snd_azf3328_create(struct snd_card *card, chip->irq = -1; /* check if we can restrict PCI DMA transfers to 24 bits */ - if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 || - pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) { - snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n"); + if (pci_set_dma_mask(pci, DMA_BIT_MASK(24)) < 0 || + pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(24)) < 0) { + dev_err(card->dev, + "architecture does not support 24bit PCI busmaster DMA\n" + ); err = -ENXIO; goto out_err; } - if ((err = pci_request_regions(pci, "Aztech AZF3328")) < 0) { + err = pci_request_regions(pci, "Aztech AZF3328"); + if (err < 0) goto out_err; - } - chip->codec_port = pci_resource_start(pci, 0); - chip->io2_port = pci_resource_start(pci, 1); - chip->mpu_port = pci_resource_start(pci, 2); - chip->synth_port = pci_resource_start(pci, 3); - chip->mixer_port = pci_resource_start(pci, 4); + 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, card->shortname, chip)) { - snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); + IRQF_SHARED, KBUILD_MODNAME, chip)) { + dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); err = -EBUSY; goto out_err; } @@ -1746,32 +2472,35 @@ snd_azf3328_create(struct snd_card *card, synchronize_irq(chip->irq); snd_azf3328_debug_show_ports(chip); - - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (err < 0) goto out_err; - } /* create mixer interface & switches */ - if ((err = snd_azf3328_mixer_new(chip)) < 0) + err = snd_azf3328_mixer_new(chip); + if (err < 0) goto out_err; -#if 0 - /* set very low bitrate to reduce noise and power consumption? */ - snd_azf3328_setfmt(chip, IDX_IO_PLAY_SOUNDFORMAT, 5512, 8, 1); -#endif + /* standard codec init stuff */ + /* default DMA init value */ + dma_init = DMA_RUN_SOMETHING2|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE; - /* standard chip init stuff */ - /* default IRQ init value */ - tmp = DMA_PLAY_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]; - spin_lock_irq(&chip->reg_lock); - snd_azf3328_codec_outb(chip, IDX_IO_PLAY_FLAGS, tmp); - snd_azf3328_codec_outb(chip, IDX_IO_REC_FLAGS, tmp); - snd_azf3328_codec_outb(chip, IDX_IO_SOMETHING_FLAGS, tmp); - snd_azf3328_codec_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x00); /* disable timer */ - spin_unlock_irq(&chip->reg_lock); + /* shutdown codecs to reduce power / noise */ + /* have ...ctrl_codec_activity() act properly */ + codec->running = 1; + snd_azf3328_ctrl_codec_activity(chip, codec_type, 0); - snd_card_set_dev(card, &pci->dev); + spin_lock_irq(codec->lock); + snd_azf3328_codec_outb(codec, IDX_IO_CODEC_DMA_FLAGS, + dma_init); + spin_unlock_irq(codec->lock); + } *rchip = chip; @@ -1787,7 +2516,7 @@ out: return err; } -static int __devinit +static int snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { static int dev; @@ -1796,195 +2525,259 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) struct snd_opl3 *opl3; int err; - snd_azf3328_dbgcallenter(); - if (dev >= SNDRV_CARDS) - return -ENODEV; + if (dev >= SNDRV_CARDS) { + err = -ENODEV; + goto out; + } if (!enable[dev]) { dev++; - return -ENOENT; + err = -ENOENT; + goto out; } - card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0 ); - if (card == NULL) - return -ENOMEM; + err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, + 0, &card); + if (err < 0) + goto out; strcpy(card->driver, "AZF3328"); strcpy(card->shortname, "Aztech AZF3328 (PCI168)"); - if ((err = snd_azf3328_create(card, pci, pci_id->driver_data, &chip)) < 0) { + err = snd_azf3328_create(card, pci, pci_id->driver_data, &chip); + if (err < 0) goto out_err; - } card->private_data = chip; - if ((err = snd_mpu401_uart_new( card, 0, MPU401_HW_MPU401, - chip->mpu_port, MPU401_INFO_INTEGRATED, - pci->irq, 0, &chip->rmidi)) < 0) { - snd_printk(KERN_ERR "azf3328: no MPU-401 device at 0x%lx?\n", chip->mpu_port); + /* 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) { + dev_err(card->dev, "no MPU-401 device at 0x%lx?\n", + chip->mpu_io + ); goto out_err; } - if ((err = snd_azf3328_timer(chip, 0)) < 0) { + err = snd_azf3328_timer(chip, 0); + if (err < 0) goto out_err; - } - if ((err = snd_azf3328_pcm(chip, 0)) < 0) { + err = snd_azf3328_pcm(chip); + if (err < 0) goto out_err; - } - if (snd_opl3_create(card, chip->synth_port, chip->synth_port+2, + 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->synth_port, chip->synth_port+2 ); + dev_err(card->dev, "no OPL3 device at 0x%lx-0x%lx?\n", + chip->opl3_io, chip->opl3_io+2 + ); } else { - if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { + /* 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; } - opl3->private_data = chip; - sprintf(card->longname, "%s at 0x%lx, irq %i", - card->shortname, chip->codec_port, chip->irq); + card->shortname, chip->ctrl_io, chip->irq); - if ((err = snd_card_register(card)) < 0) { + err = snd_card_register(card); + if (err < 0) goto out_err; - } #ifdef MODULE - printk( -"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); + dev_info(card->dev, + "Sound driver for Aztech AZF3328-based soundcards such as PCI168.\n"); + dev_info(card->dev, + "Hardware was completely undocumented, unfortunately.\n"); + dev_info(card->dev, + "Feel free to contact andi AT lisas.de for bug reports etc.!\n"); + dev_info(card->dev, + "User-scalable sequencer timer set to %dHz (1024000Hz / %d).\n", + 1024000 / seqtimer_scaling, seqtimer_scaling); #endif - if (snd_azf3328_config_joystick(chip, dev) < 0) - snd_azf3328_io2_outb(chip, IDX_IO2_LEGACY_ADDR, - snd_azf3328_io2_inb(chip, IDX_IO2_LEGACY_ADDR) & ~LEGACY_JOY); + snd_azf3328_gameport(chip, dev); pci_set_drvdata(pci, card); dev++; err = 0; goto out; - + out_err: + dev_err(card->dev, "something failed, exiting\n"); snd_card_free(card); - + out: - snd_azf3328_dbgcallleave(); return err; } -static void __devexit +static void 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 +#ifdef CONFIG_PM_SLEEP +static inline void +snd_azf3328_suspend_regs(const struct snd_azf3328 *chip, + unsigned long io_addr, unsigned count, u32 *saved_regs) +{ + unsigned reg; + + for (reg = 0; reg < count; ++reg) { + *saved_regs = inl(io_addr); + dev_dbg(chip->card->dev, "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 struct snd_azf3328 *chip, + const u32 *saved_regs, + unsigned long io_addr, + unsigned count +) +{ + unsigned reg; + + for (reg = 0; reg < count; ++reg) { + outl(*saved_regs, io_addr); + dev_dbg(chip->card->dev, + "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, 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, 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) +snd_azf3328_suspend(struct device *dev) { - struct snd_card *card = pci_get_drvdata(pci); + struct pci_dev *pci = to_pci_dev(dev); + struct snd_card *card = dev_get_drvdata(dev); struct snd_azf3328 *chip = card->private_data; - int reg; + u16 *saved_regs_ctrl_u16; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - - snd_pcm_suspend_all(chip->pcm); - for (reg = 0; reg < AZF_IO_SIZE_MIXER_PM / 2; reg++) - chip->saved_regs_mixer[reg] = inw(chip->mixer_port + reg * 2); + /* 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]); - /* make sure to disable master volume etc. to prevent looping sound */ - snd_azf3328_mixer_set_mute(chip, IDX_MIXER_PLAY_MASTER, 1); - snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 1); - - for (reg = 0; reg < AZF_IO_SIZE_CODEC_PM / 2; reg++) - chip->saved_regs_codec[reg] = inw(chip->codec_port + reg * 2); - for (reg = 0; reg < AZF_IO_SIZE_IO2_PM / 2; reg++) - chip->saved_regs_io2[reg] = inw(chip->io2_port + reg * 2); - for (reg = 0; reg < AZF_IO_SIZE_MPU_PM / 2; reg++) - chip->saved_regs_mpu[reg] = inw(chip->mpu_port + reg * 2); - for (reg = 0; reg < AZF_IO_SIZE_SYNTH_PM / 2; reg++) - chip->saved_regs_synth[reg] = inw(chip->synth_port + reg * 2); + snd_azf3328_suspend_ac97(chip); + + snd_azf3328_suspend_regs(chip, 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, chip->game_io, + ARRAY_SIZE(chip->saved_regs_game), chip->saved_regs_game); + snd_azf3328_suspend_regs(chip, chip->mpu_io, + ARRAY_SIZE(chip->saved_regs_mpu), chip->saved_regs_mpu); + snd_azf3328_suspend_regs(chip, 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)); + pci_set_power_state(pci, PCI_D3hot); return 0; } static int -snd_azf3328_resume(struct pci_dev *pci) +snd_azf3328_resume(struct device *dev) { - struct snd_card *card = pci_get_drvdata(pci); - struct snd_azf3328 *chip = card->private_data; - int reg; + struct pci_dev *pci = to_pci_dev(dev); + struct snd_card *card = dev_get_drvdata(dev); + 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"); + dev_err(dev, "pci_enable_device failed, disabling device\n"); snd_card_disconnect(card); return -EIO; } pci_set_master(pci); - for (reg = 0; reg < AZF_IO_SIZE_IO2_PM / 2; reg++) - outw(chip->saved_regs_io2[reg], chip->io2_port + reg * 2); - for (reg = 0; reg < AZF_IO_SIZE_MPU_PM / 2; reg++) - outw(chip->saved_regs_mpu[reg], chip->mpu_port + reg * 2); - for (reg = 0; reg < AZF_IO_SIZE_SYNTH_PM / 2; reg++) - outw(chip->saved_regs_synth[reg], chip->synth_port + reg * 2); - for (reg = 0; reg < AZF_IO_SIZE_MIXER_PM / 2; reg++) - outw(chip->saved_regs_mixer[reg], chip->mixer_port + reg * 2); - for (reg = 0; reg < AZF_IO_SIZE_CODEC_PM / 2; reg++) - outw(chip->saved_regs_codec[reg], chip->codec_port + reg * 2); + snd_azf3328_resume_regs(chip, chip->saved_regs_game, chip->game_io, + ARRAY_SIZE(chip->saved_regs_game)); + snd_azf3328_resume_regs(chip, chip->saved_regs_mpu, chip->mpu_io, + ARRAY_SIZE(chip->saved_regs_mpu)); + snd_azf3328_resume_regs(chip, chip->saved_regs_opl3, chip->opl3_io, + ARRAY_SIZE(chip->saved_regs_opl3)); + + snd_azf3328_resume_ac97(chip); + + snd_azf3328_resume_regs(chip, 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 - - +static SIMPLE_DEV_PM_OPS(snd_azf3328_pm, snd_azf3328_suspend, snd_azf3328_resume); +#define SND_AZF3328_PM_OPS &snd_azf3328_pm +#else +#define SND_AZF3328_PM_OPS NULL +#endif /* CONFIG_PM_SLEEP */ -static struct pci_driver driver = { - .name = "AZF3328", +static struct pci_driver azf3328_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 + .remove = snd_azf3328_remove, + .driver = { + .pm = SND_AZF3328_PM_OPS, + }, }; -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) +module_pci_driver(azf3328_driver); |