diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/azt3328.c | 109 | ||||
| -rw-r--r-- | sound/pci/azt3328.h | 16 |
2 files changed, 76 insertions, 49 deletions
diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c index b832333..22f18f3 100644 --- a/sound/pci/azt3328.c +++ b/sound/pci/azt3328.c @@ -289,6 +289,12 @@ struct snd_azf3328 { struct pci_dev *pci; int irq; + /* register 0x6a is write-only, thus need to remember setting. + * If we need to add more registers here, then we might try to fold this + * into some transparent combined shadow register handling with + * CONFIG_PM register storage below, but that's slightly difficult. */ + u16 shadow_reg_codec_6AH; + #ifdef CONFIG_PM /* register value containers for power management * Note: not always full I/O range preserved (just like Win driver!) */ @@ -324,21 +330,6 @@ snd_azf3328_io_reg_setb(unsigned reg, u8 mask, int do_set) return 0; } -static int -snd_azf3328_io_reg_setw(unsigned reg, u16 mask, int do_set) -{ - u16 prev = inw(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 */ - outw(new, reg); - if (new != prev) - return 1; - - return 0; -} - static inline void snd_azf3328_codec_outb(const struct snd_azf3328 *chip, unsigned reg, u8 value) { @@ -662,7 +653,7 @@ snd_azf3328_info_mixer_enum(struct snd_kcontrol *kcontrol, "pre 3D", "post 3D" }; struct azf3328_mixer_reg reg; - const char *p = NULL; + const char * const *p = NULL; snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; @@ -673,20 +664,20 @@ snd_azf3328_info_mixer_enum(struct snd_kcontrol *kcontrol, if (reg.reg == IDX_MIXER_ADVCTL2) { switch(reg.lchan_shift) { case 8: /* modem out sel */ - p = texts1[uinfo->value.enumerated.item]; + p = texts1; break; case 9: /* mono sel source */ - p = texts2[uinfo->value.enumerated.item]; + p = texts2; break; case 15: /* PCM Out Path */ - p = texts4[uinfo->value.enumerated.item]; + p = texts4; break; } } else if (reg.reg == IDX_MIXER_REC_SELECT) - p = texts3[uinfo->value.enumerated.item]; + p = texts3; - strcpy(uinfo->value.enumerated.name, p); + strcpy(uinfo->value.enumerated.name, p[uinfo->value.enumerated.item]); return 0; } @@ -745,9 +736,11 @@ snd_azf3328_put_mixer_enum(struct snd_kcontrol *kcontrol, static struct snd_kcontrol_new snd_azf3328_mixer_controls[] __devinitdata = { AZF3328_MIXER_SWITCH("Master Playback Switch", IDX_MIXER_PLAY_MASTER, 15, 1), AZF3328_MIXER_VOL_STEREO("Master Playback Volume", IDX_MIXER_PLAY_MASTER, 0x1f, 1), - AZF3328_MIXER_SWITCH("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), @@ -874,7 +867,7 @@ snd_azf3328_hw_free(struct snd_pcm_substream *substream) static void snd_azf3328_codec_setfmt(struct snd_azf3328 *chip, unsigned reg, - unsigned int bitrate, + enum azf_freq_t bitrate, unsigned int format_width, unsigned int channels ) @@ -958,15 +951,29 @@ snd_azf3328_codec_setfmt_lowpower(struct snd_azf3328 *chip, snd_azf3328_codec_setfmt(chip, reg, AZF_FREQ_4000, 8, 1); } +static void +snd_azf3328_codec_reg_6AH_update(struct snd_azf3328 *chip, + unsigned bitmask, + int enable +) +{ + if (enable) + chip->shadow_reg_codec_6AH &= ~bitmask; + else + chip->shadow_reg_codec_6AH |= bitmask; + snd_azf3328_dbgplay("6AH_update mask 0x%04x enable %d: val 0x%04x\n", + bitmask, enable, chip->shadow_reg_codec_6AH); + snd_azf3328_codec_outw(chip, IDX_IO_6AH, chip->shadow_reg_codec_6AH); +} + static inline void snd_azf3328_codec_enable(struct snd_azf3328 *chip, int enable) { + snd_azf3328_dbgplay("codec_enable %d\n", enable); /* no idea what exactly is being done here, but I strongly assume it's * PM related */ - snd_azf3328_io_reg_setw( - chip->codec_io+IDX_IO_6AH, - IO_6A_PAUSE_PLAYBACK_BIT8, - !enable + snd_azf3328_codec_reg_6AH_update( + chip, IO_6A_PAUSE_PLAYBACK_BIT8, enable ); } @@ -1404,10 +1411,8 @@ snd_azf3328_gameport_legacy_address_enable(struct snd_azf3328 *chip, int enable) static inline void snd_azf3328_gameport_axis_circuit_enable(struct snd_azf3328 *chip, int enable) { - snd_azf3328_io_reg_setw( - chip->codec_io+IDX_IO_6AH, - IO_6A_SOMETHING2_GAMEPORT, - !enable + snd_azf3328_codec_reg_6AH_update( + chip, IO_6A_SOMETHING2_GAMEPORT, enable ); } @@ -1525,8 +1530,6 @@ snd_azf3328_gameport(struct snd_azf3328 *chip, int dev) { struct gameport *gp; - int io_port = chip->game_io; - chip->gameport = gp = gameport_allocate_port(); if (!gp) { printk(KERN_ERR "azt3328: cannot alloc memory for gameport\n"); @@ -1536,7 +1539,7 @@ snd_azf3328_gameport(struct snd_azf3328 *chip, int dev) 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 = io_port; + gp->io = chip->game_io; gameport_set_port_data(gp, chip); gp->open = snd_azf3328_gameport_open; @@ -1577,6 +1580,15 @@ snd_azf3328_gameport_interrupt(struct snd_azf3328 *chip) /******************************************************************/ +static inline void +snd_azf3328_irq_log_unknown_type(u8 which) +{ + snd_azf3328_dbgplay( + "azt3328: unknown IRQ type (%x) occurred, please report!\n", + which + ); +} + static irqreturn_t snd_azf3328_interrupt(int irq, void *dev_id) { @@ -1594,11 +1606,14 @@ snd_azf3328_interrupt(int irq, void *dev_id) )) 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++ /* debug-only */, - snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS), - snd_azf3328_codec_inw(chip, IDX_IO_PLAY_IRQTYPE), - status); + snd_azf3328_dbgplay( + "irq_count %ld! IDX_IO_PLAY_FLAGS %04x, " + "IDX_IO_PLAY_IRQTYPE %04x, IDX_IO_IRQSTATUS %04x\n", + irq_count++ /* debug-only */, + snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS), + snd_azf3328_codec_inw(chip, IDX_IO_PLAY_IRQTYPE), + status + ); if (status & IRQ_TIMER) { /* snd_azf3328_dbgplay("timer %ld\n", @@ -1631,9 +1646,9 @@ snd_azf3328_interrupt(int irq, void *dev_id) ) ); } else - snd_azf3328_dbgplay("azt3328: ouch, irq handler problem!\n"); + printk(KERN_WARNING "azt3328: irq handler problem!\n"); if (which & IRQ_PLAY_SOMETHING) - snd_azf3328_dbgplay("azt3328: unknown play IRQ type occurred, please report!\n"); + snd_azf3328_irq_log_unknown_type(which); } if (status & IRQ_RECORDING) { spin_lock(&chip->reg_lock); @@ -1653,9 +1668,9 @@ snd_azf3328_interrupt(int irq, void *dev_id) ) ); } else - snd_azf3328_dbgplay("azt3328: ouch, irq handler problem!\n"); + printk(KERN_WARNING "azt3328: irq handler problem!\n"); if (which & IRQ_REC_SOMETHING) - snd_azf3328_dbgplay("azt3328: unknown rec IRQ type occurred, please report!\n"); + snd_azf3328_irq_log_unknown_type(which); } if (status & IRQ_GAMEPORT) snd_azf3328_gameport_interrupt(chip); @@ -2311,6 +2326,10 @@ snd_azf3328_suspend(struct pci_dev *pci, pm_message_t state) for (reg = 0; reg < AZF_IO_SIZE_CODEC_PM / 2; ++reg) chip->saved_regs_codec[reg] = inw(chip->codec_io + reg * 2); + + /* manually store the one currently relevant write-only reg, too */ + chip->saved_regs_codec[IDX_IO_6AH / 2] = chip->shadow_reg_codec_6AH; + for (reg = 0; reg < AZF_IO_SIZE_GAME_PM / 2; ++reg) chip->saved_regs_game[reg] = inw(chip->game_io + reg * 2); for (reg = 0; reg < AZF_IO_SIZE_MPU_PM / 2; ++reg) diff --git a/sound/pci/azt3328.h b/sound/pci/azt3328.h index 3448fd6..7e3e894 100644 --- a/sound/pci/azt3328.h +++ b/sound/pci/azt3328.h @@ -1,7 +1,8 @@ #ifndef __SOUND_AZT3328_H #define __SOUND_AZT3328_H -/* "PU" == "power-up value", as tested on PCI168 PCI rev. 10 */ +/* "PU" == "power-up value", as tested on PCI168 PCI rev. 10 + * "WRITE_ONLY" == register does not indicate actual bit values */ /*** main I/O area port indices ***/ /* (only 0x70 of 0x80 bytes saved/restored by Windows driver) */ @@ -76,7 +77,7 @@ #define SOUNDFORMAT_FLAG_2CHANNELS 0x0020 /* define frequency helpers, for maximum value safety */ -enum { +enum azf_freq_t { #define AZF_FREQ(rate) AZF_FREQ_##rate = rate AZF_FREQ(4000), AZF_FREQ(4800), @@ -150,11 +151,18 @@ enum { #define IO_68_RANDOM_TOGGLE1 0x0100 /* toggles randomly */ #define IO_68_RANDOM_TOGGLE2 0x0200 /* toggles randomly */ /* umm, nope, behaviour of these bits changes depending on what we wrote - * to 0x6b!! */ + * to 0x6b!! + * And they change upon playback/stop, too: + * Writing a value to 0x68 will display this exact value during playback, + * too but when stopped it can fall back to a rather different + * seemingly random value). Hmm, possibly this is a register which + * has a remote shadow which needs proper device supply which only exists + * in case playback is active? Or is this driver-induced? + */ /* this WORD can be set to have bits 0x0028 activated (FIXME: correct??); * actually inhibits PCM playback!!! maybe power management??: */ -#define IDX_IO_6AH 0x6A +#define IDX_IO_6AH 0x6A /* WRITE_ONLY! */ /* bit 5: enabling this will activate permanent counting of bytes 2/3 * at gameport I/O (0xb402/3) (equal values each) and cause * gameport legacy I/O at 0x0200 to be _DISABLED_! |