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-rw-r--r--sound/pci/azt3328.c236
1 files changed, 173 insertions, 63 deletions
diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c
index 52a364524262..15447a3216dd 100644
--- a/sound/pci/azt3328.c
+++ b/sound/pci/azt3328.c
@@ -33,14 +33,21 @@
* in the first place >:-P}),
* I was forced to base this driver on reverse engineering
* (3 weeks' worth of evenings filled with driver work).
- * (and no, I did NOT go the easy way: to pick up a PCI128 for 9 Euros)
+ * (and no, I did NOT go the easy way: to pick up a SB PCI128 for 9 Euros)
*
* The AZF3328 chip (note: AZF3328, *not* AZT3328, that's just the driver name
* for compatibility reasons) has the following features:
*
* - builtin AC97 conformant codec (SNR over 80dB)
- * (really AC97 compliant?? I really doubt it when looking
- * at the mixer register layout)
+ * Note that "conformant" != "compliant"!! this chip's mixer register layout
+ * *differs* from the standard AC97 layout:
+ * they chose to not implement the headphone register (which is not a
+ * problem since it's merely optional), yet when doing this, they committed
+ * the grave sin of letting other registers follow immediately instead of
+ * keeping a headphone dummy register, thereby shifting the mixer register
+ * addresses illegally. So far unfortunately it looks like the very flexible
+ * ALSA AC97 support is still not enough to easily compensate for such a
+ * grave layout violation despite all tweaks and quirks mechanisms it offers.
* - builtin genuine OPL3
* - full duplex 16bit playback/record at independent sampling rate
* - MPU401 (+ legacy address support) FIXME: how to enable legacy addr??
@@ -90,10 +97,15 @@
*
* TODO
* - test MPU401 MIDI playback etc.
- * - power management. See e.g. intel8x0 or cs4281.
- * This would be nice since the chip runs a bit hot, and it's *required*
- * anyway for proper ACPI power management.
+ * - 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...
+ * 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)
*/
#include <sound/driver.h>
@@ -214,6 +226,16 @@ struct snd_azf3328 {
struct pci_dev *pci;
int irq;
+
+#ifdef CONFIG_PM
+ /* 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];
+#endif
};
static const struct pci_device_id snd_azf3328_ids[] __devinitdata = {
@@ -317,10 +339,8 @@ snd_azf3328_mixer_write_volume_gradually(const struct snd_azf3328 *chip, int reg
else
dst_vol_left &= ~0x80;
- do
- {
- if (!left_done)
- {
+ do {
+ if (!left_done) {
if (curr_vol_left > dst_vol_left)
curr_vol_left--;
else
@@ -330,8 +350,7 @@ snd_azf3328_mixer_write_volume_gradually(const struct snd_azf3328 *chip, int reg
left_done = 1;
outb(curr_vol_left, portbase + 1);
}
- if (!right_done)
- {
+ if (!right_done) {
if (curr_vol_right > dst_vol_right)
curr_vol_right--;
else
@@ -346,8 +365,7 @@ snd_azf3328_mixer_write_volume_gradually(const struct snd_azf3328 *chip, int reg
}
if (delay)
mdelay(delay);
- }
- while ((!left_done) || (!right_done));
+ } while ((!left_done) || (!right_done));
snd_azf3328_dbgcallleave();
}
@@ -514,15 +532,18 @@ snd_azf3328_info_mixer_enum(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char * const texts1[] = {
- "ModemOut1", "ModemOut2"
+ "Mic1", "Mic2"
};
static const char * const texts2[] = {
- "MonoSelectSource1", "MonoSelectSource2"
+ "Mix", "Mic"
};
static const char * const texts3[] = {
"Mic", "CD", "Video", "Aux",
"Line", "Mix", "Mix Mono", "Phone"
};
+ static const char * const texts4[] = {
+ "pre 3D", "post 3D"
+ };
struct azf3328_mixer_reg reg;
snd_azf3328_mixer_reg_decode(&reg, kcontrol->private_value);
@@ -531,14 +552,19 @@ snd_azf3328_info_mixer_enum(struct snd_kcontrol *kcontrol,
uinfo->value.enumerated.items = reg.enum_c;
if (uinfo->value.enumerated.item > reg.enum_c - 1U)
uinfo->value.enumerated.item = reg.enum_c - 1U;
- if (reg.reg == IDX_MIXER_ADVCTL2)
- {
- if (reg.lchan_shift == 8) /* modem out sel */
+ 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]);
- else /* mono sel source */
+ break;
+ case 9: /* mono sel source */
strcpy(uinfo->value.enumerated.name, texts2[uinfo->value.enumerated.item]);
- }
- else
+ break;
+ case 15: /* PCM Out Path */
+ strcpy(uinfo->value.enumerated.name, texts4[uinfo->value.enumerated.item]);
+ break;
+ }
+ } else
strcpy(uinfo->value.enumerated.name, texts3[uinfo->value.enumerated.item]
);
return 0;
@@ -554,12 +580,10 @@ snd_azf3328_get_mixer_enum(struct snd_kcontrol *kcontrol,
snd_azf3328_mixer_reg_decode(&reg, kcontrol->private_value);
val = snd_azf3328_mixer_inw(chip, reg.reg);
- if (reg.reg == IDX_MIXER_REC_SELECT)
- {
+ if (reg.reg == IDX_MIXER_REC_SELECT) {
ucontrol->value.enumerated.item[0] = (val >> 8) & (reg.enum_c - 1);
ucontrol->value.enumerated.item[1] = (val >> 0) & (reg.enum_c - 1);
- }
- else
+ } 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",
@@ -579,16 +603,13 @@ snd_azf3328_put_mixer_enum(struct snd_kcontrol *kcontrol,
snd_azf3328_mixer_reg_decode(&reg, kcontrol->private_value);
oreg = snd_azf3328_mixer_inw(chip, reg.reg);
val = oreg;
- if (reg.reg == IDX_MIXER_REC_SELECT)
- {
+ if (reg.reg == IDX_MIXER_REC_SELECT) {
if (ucontrol->value.enumerated.item[0] > reg.enum_c - 1U ||
ucontrol->value.enumerated.item[1] > reg.enum_c - 1U)
return -EINVAL;
val = (ucontrol->value.enumerated.item[0] << 8) |
(ucontrol->value.enumerated.item[1] << 0);
- }
- else
- {
+ } else {
if (ucontrol->value.enumerated.item[0] > reg.enum_c - 1U)
return -EINVAL;
val &= ~((reg.enum_c - 1) << reg.lchan_shift);
@@ -629,13 +650,14 @@ static const struct snd_kcontrol_new snd_azf3328_mixer_controls[] __devinitdata
AZF3328_MIXER_VOL_MONO("Modem Playback Volume", IDX_MIXER_MODEMOUT, 0x1f, 1),
AZF3328_MIXER_SWITCH("Modem Capture Switch", IDX_MIXER_MODEMIN, 15, 1),
AZF3328_MIXER_VOL_MONO("Modem Capture Volume", IDX_MIXER_MODEMIN, 0x1f, 1),
- AZF3328_MIXER_ENUM("Modem Out Select", IDX_MIXER_ADVCTL2, 2, 8),
- AZF3328_MIXER_ENUM("Mono Select Source", IDX_MIXER_ADVCTL2, 2, 9),
+ AZF3328_MIXER_ENUM("Mic Select", IDX_MIXER_ADVCTL2, 2, 8),
+ AZF3328_MIXER_ENUM("Mono Output Select", IDX_MIXER_ADVCTL2, 2, 9),
+ AZF3328_MIXER_ENUM("PCM", IDX_MIXER_ADVCTL2, 2, 15), /* PCM Out Path, place in front since it controls *both* 3D and Bass/Treble! */
AZF3328_MIXER_VOL_SPECIAL("Tone Control - Treble", IDX_MIXER_BASSTREBLE, 0x07, 1, 0),
AZF3328_MIXER_VOL_SPECIAL("Tone Control - Bass", IDX_MIXER_BASSTREBLE, 0x07, 9, 0),
AZF3328_MIXER_SWITCH("3D Control - Switch", IDX_MIXER_ADVCTL2, 13, 0),
- AZF3328_MIXER_VOL_SPECIAL("3D Control - Wide", IDX_MIXER_ADVCTL1, 0x07, 1, 0), /* "3D Width" */
- AZF3328_MIXER_VOL_SPECIAL("3D Control - Space", IDX_MIXER_ADVCTL1, 0x03, 8, 0), /* "Hifi 3D" */
+ AZF3328_MIXER_VOL_SPECIAL("3D Control - Width", IDX_MIXER_ADVCTL1, 0x07, 1, 0), /* "3D Width" */
+ AZF3328_MIXER_VOL_SPECIAL("3D Control - Depth", IDX_MIXER_ADVCTL1, 0x03, 8, 0), /* "Hifi 3D" */
#if MIXER_TESTING
AZF3328_MIXER_SWITCH("0", IDX_MIXER_ADVCTL2, 0, 0),
AZF3328_MIXER_SWITCH("1", IDX_MIXER_ADVCTL2, 1, 0),
@@ -813,22 +835,18 @@ snd_azf3328_setdmaa(struct snd_azf3328 *chip,
unsigned int is_running;
snd_azf3328_dbgcallenter();
- if (do_recording)
- {
+ if (do_recording) {
/* access capture registers, i.e. skip playback reg section */
portbase = chip->codec_port + 0x20;
is_running = chip->is_recording;
- }
- else
- {
+ } else {
/* access the playback register section */
portbase = chip->codec_port + 0x00;
is_running = chip->is_playing;
}
/* AZF3328 uses a two buffer pointer DMA playback approach */
- if (!is_running)
- {
+ if (!is_running) {
unsigned long addr_area2;
unsigned long count_areas, count_tmp; /* width 32bit -- overflow!! */
count_areas = size/2;
@@ -961,6 +979,13 @@ snd_azf3328_playback_trigger(struct snd_pcm_substream *substream, int cmd)
chip->is_playing = 1;
snd_azf3328_dbgplay("STARTED PLAYBACK\n");
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);
+ break;
case SNDRV_PCM_TRIGGER_STOP:
snd_azf3328_dbgplay("STOP PLAYBACK\n");
@@ -988,6 +1013,12 @@ snd_azf3328_playback_trigger(struct snd_pcm_substream *substream, int cmd)
chip->is_playing = 0;
snd_azf3328_dbgplay("STOPPED PLAYBACK\n");
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);
+ break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
snd_printk(KERN_ERR "FIXME: SNDRV_PCM_TRIGGER_PAUSE_PUSH NIY!\n");
break;
@@ -995,6 +1026,7 @@ snd_azf3328_playback_trigger(struct snd_pcm_substream *substream, int cmd)
snd_printk(KERN_ERR "FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n");
break;
default:
+ printk(KERN_ERR "FIXME: unknown trigger mode!\n");
return -EINVAL;
}
@@ -1068,6 +1100,13 @@ snd_azf3328_capture_trigger(struct snd_pcm_substream *substream, int cmd)
chip->is_recording = 1;
snd_azf3328_dbgplay("STARTED CAPTURE\n");
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);
+ break;
case SNDRV_PCM_TRIGGER_STOP:
snd_azf3328_dbgplay("STOP CAPTURE\n");
@@ -1088,6 +1127,12 @@ snd_azf3328_capture_trigger(struct snd_pcm_substream *substream, int cmd)
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;
@@ -1095,6 +1140,7 @@ snd_azf3328_capture_trigger(struct snd_pcm_substream *substream, int cmd)
snd_printk(KERN_ERR "FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n");
break;
default:
+ printk(KERN_ERR "FIXME: unknown trigger mode!\n");
return -EINVAL;
}
@@ -1163,8 +1209,7 @@ snd_azf3328_interrupt(int irq, void *dev_id, struct pt_regs *regs)
snd_azf3328_codec_inw(chip, IDX_IO_PLAY_IRQTYPE),
status);
- if (status & IRQ_TIMER)
- {
+ if (status & IRQ_TIMER) {
/* snd_azf3328_dbgplay("timer %ld\n", inl(chip->codec_port+IDX_IO_TIMER_VALUE) & TIMER_VALUE_MASK); */
if (chip->timer)
snd_timer_interrupt(chip->timer, chip->timer->sticks);
@@ -1174,50 +1219,43 @@ snd_azf3328_interrupt(int irq, void *dev_id, struct pt_regs *regs)
spin_unlock(&chip->reg_lock);
snd_azf3328_dbgplay("azt3328: timer IRQ\n");
}
- if (status & IRQ_PLAYBACK)
- {
+ 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)
- {
+ 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
+ } 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)
- {
+ 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 (chip->pcm && chip->capture_substream)
- {
+ 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
+ } 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)
- {
+ if (status & IRQ_MPU401) {
snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
/* hmm, do we have to ack the IRQ here somehow?
@@ -1511,8 +1549,7 @@ snd_azf3328_timer_start(struct snd_timer *timer)
snd_azf3328_dbgcallenter();
chip = snd_timer_chip(timer);
delay = ((timer->sticks * seqtimer_scaling) - 1) & TIMER_VALUE_MASK;
- if (delay < 49)
- {
+ if (delay < 49) {
/* uhoh, that's not good, since user-space won't know about
* this timing tweak
* (we need to do it to avoid a lockup, though) */
@@ -1687,7 +1724,7 @@ snd_azf3328_create(struct snd_card *card,
chip->synth_port = pci_resource_start(pci, 3);
chip->mixer_port = pci_resource_start(pci, 4);
- if (request_irq(pci->irq, snd_azf3328_interrupt, SA_INTERRUPT|SA_SHIRQ, card->shortname, (void *)chip)) {
+ if (request_irq(pci->irq, snd_azf3328_interrupt, IRQF_DISABLED|IRQF_SHARED, card->shortname, (void *)chip)) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
err = -EBUSY;
goto out_err;
@@ -1766,9 +1803,11 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
goto out_err;
}
+ card->private_data = chip;
+
if ((err = snd_mpu401_uart_new( card, 0, MPU401_HW_MPU401,
- chip->mpu_port, 1, pci->irq, 0,
- &chip->rmidi)) < 0) {
+ 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);
goto out_err;
}
@@ -1791,6 +1830,8 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
}
}
+ opl3->private_data = chip;
+
sprintf(card->longname, "%s at 0x%lx, irq %i",
card->shortname, chip->codec_port, chip->irq);
@@ -1834,11 +1875,80 @@ snd_azf3328_remove(struct pci_dev *pci)
snd_azf3328_dbgcallleave();
}
+#ifdef CONFIG_PM
+static int
+snd_azf3328_suspend(struct pci_dev *pci, pm_message_t state)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_azf3328 *chip = card->private_data;
+ int reg;
+
+ 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);
+
+ /* 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);
+
+ pci_set_power_state(pci, PCI_D3hot);
+ pci_disable_device(pci);
+ pci_save_state(pci);
+ return 0;
+}
+
+static int
+snd_azf3328_resume(struct pci_dev *pci)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_azf3328 *chip = card->private_data;
+ int reg;
+
+ pci_restore_state(pci);
+ pci_enable_device(pci);
+ pci_set_power_state(pci, PCI_D0);
+ 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_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+#endif
+
+
+
+
static struct pci_driver driver = {
.name = "AZF3328",
.id_table = snd_azf3328_ids,
.probe = snd_azf3328_probe,
.remove = __devexit_p(snd_azf3328_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_azf3328_suspend,
+ .resume = snd_azf3328_resume,
+#endif
};
static int __init
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.