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-rw-r--r--sound/pci/azt3328.c109
-rw-r--r--sound/pci/azt3328.h16
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(&reg, 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_!
generated by cgit v1.1 at 2024-12-25 07:33:50 +0000