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-rw-r--r--sound/pci/azt3328.c406
1 files changed, 205 insertions, 201 deletions
diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c
index 2f3cacb..6117595 100644
--- a/sound/pci/azt3328.c
+++ b/sound/pci/azt3328.c
@@ -1,6 +1,6 @@
/*
* azt3328.c - driver for Aztech AZF3328 based soundcards (e.g. PCI168).
- * Copyright (C) 2002, 2005 - 2009 by Andreas Mohr <andi AT lisas.de>
+ * Copyright (C) 2002, 2005 - 2010 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),
@@ -175,6 +175,7 @@
#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>
@@ -201,14 +202,15 @@ MODULE_SUPPORTED_DEVICE("{{Aztech,AZF3328}}");
/* === Debug settings ===
Further diagnostic functionality than the settings below
- does not need to be provided, since one can easily write a bash script
+ 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):
- function dump()
+ dump()
{
local descr=$1; local addr=$2; local count=$3
echo "${descr}: ${count} @ ${addr}:"
- dd if=/dev/port skip=$[${addr}] count=${count} bs=1 2>/dev/null| hexdump -C
+ 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",
@@ -216,14 +218,14 @@ MODULE_SUPPORTED_DEVICE("{{Aztech,AZF3328}}");
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=$[${addr}] bs=1 2>/dev/null
+ printf "\x""$VALSTRING"|dd of=/dev/port seek=`printf %d ${addr}` bs=1 \
+ 2>/dev/null
*/
#define DEBUG_MISC 0
#define DEBUG_CALLS 0
#define DEBUG_MIXER 0
#define DEBUG_CODEC 0
-#define DEBUG_IO 0
#define DEBUG_TIMER 0
#define DEBUG_GAME 0
#define DEBUG_PM 0
@@ -291,19 +293,23 @@ 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.");
-struct snd_azf3328_codec_data {
- unsigned long io_base;
- struct snd_pcm_substream *substream;
- bool running;
- const char *name;
-};
-
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 */
@@ -362,6 +368,9 @@ 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);
@@ -413,6 +422,21 @@ snd_azf3328_codec_outl(const struct snd_azf3328_codec_data *codec,
outl(value, codec->io_base + reg);
}
+static inline void
+snd_azf3328_codec_outl_multi(const struct snd_azf3328_codec_data *codec,
+ unsigned reg, const void *buffer, int count
+)
+{
+ unsigned long addr = codec->io_base + reg;
+ if (count) {
+ const u32 *buf = buffer;
+ do {
+ outl(*buf++, addr);
+ addr += 4;
+ } while (--count);
+ }
+}
+
static inline u32
snd_azf3328_codec_inl(const struct snd_azf3328_codec_data *codec, unsigned reg)
{
@@ -943,38 +967,43 @@ snd_azf3328_hw_free(struct snd_pcm_substream *substream)
}
static void
-snd_azf3328_codec_setfmt(struct snd_azf3328 *chip,
- enum snd_azf3328_codec_type codec_type,
+snd_azf3328_codec_setfmt(struct snd_azf3328_codec_data *codec,
enum azf_freq_t bitrate,
unsigned int format_width,
unsigned int channels
)
{
unsigned long flags;
- const struct snd_azf3328_codec_data *codec = &chip->codecs[codec_type];
u16 val = 0xff00;
+ u8 freq = 0;
snd_azf3328_dbgcallenter();
switch (bitrate) {
- case AZF_FREQ_4000: val |= SOUNDFORMAT_FREQ_SUSPECTED_4000; break;
- case AZF_FREQ_4800: val |= SOUNDFORMAT_FREQ_SUSPECTED_4800; break;
- case AZF_FREQ_5512:
- /* the AZF3328 names it "5510" for some strange reason */
- val |= SOUNDFORMAT_FREQ_5510; break;
- case AZF_FREQ_6620: val |= SOUNDFORMAT_FREQ_6620; break;
- case AZF_FREQ_8000: val |= SOUNDFORMAT_FREQ_8000; break;
- case AZF_FREQ_9600: val |= SOUNDFORMAT_FREQ_9600; break;
- case AZF_FREQ_11025: val |= SOUNDFORMAT_FREQ_11025; break;
- case AZF_FREQ_13240: val |= SOUNDFORMAT_FREQ_SUSPECTED_13240; break;
- case AZF_FREQ_16000: val |= SOUNDFORMAT_FREQ_16000; break;
- case AZF_FREQ_22050: val |= SOUNDFORMAT_FREQ_22050; break;
- case AZF_FREQ_32000: val |= SOUNDFORMAT_FREQ_32000; break;
+#define AZF_FMT_XLATE(in_freq, out_bits) \
+ do { \
+ case AZF_FREQ_ ## in_freq: \
+ freq = SOUNDFORMAT_FREQ_ ## out_bits; \
+ break; \
+ } while (0);
+ AZF_FMT_XLATE(4000, SUSPECTED_4000)
+ AZF_FMT_XLATE(4800, SUSPECTED_4800)
+ /* the AZF3328 names it "5510" for some strange reason: */
+ AZF_FMT_XLATE(5512, 5510)
+ AZF_FMT_XLATE(6620, 6620)
+ AZF_FMT_XLATE(8000, 8000)
+ AZF_FMT_XLATE(9600, 9600)
+ AZF_FMT_XLATE(11025, 11025)
+ AZF_FMT_XLATE(13240, SUSPECTED_13240)
+ AZF_FMT_XLATE(16000, 16000)
+ AZF_FMT_XLATE(22050, 22050)
+ AZF_FMT_XLATE(32000, 32000)
default:
snd_printk(KERN_WARNING "unknown bitrate %d, assuming 44.1kHz!\n", bitrate);
/* fall-through */
- case AZF_FREQ_44100: val |= SOUNDFORMAT_FREQ_44100; break;
- case AZF_FREQ_48000: val |= SOUNDFORMAT_FREQ_48000; break;
- case AZF_FREQ_66200: val |= SOUNDFORMAT_FREQ_SUSPECTED_66200; break;
+ AZF_FMT_XLATE(44100, 44100)
+ AZF_FMT_XLATE(48000, 48000)
+ AZF_FMT_XLATE(66200, SUSPECTED_66200)
+#undef AZF_FMT_XLATE
}
/* val = 0xff07; 3m27.993s (65301Hz; -> 64000Hz???) hmm, 66120, 65967, 66123 */
/* val = 0xff09; 17m15.098s (13123,478Hz; -> 12000Hz???) hmm, 13237.2Hz? */
@@ -986,13 +1015,15 @@ snd_azf3328_codec_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(codec, IDX_IO_CODEC_SOUNDFORMAT, val);
@@ -1004,7 +1035,8 @@ snd_azf3328_codec_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 (codec_type == AZF_CODEC_PLAYBACK) /* only do it for playback */
+ /* 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 |
@@ -1014,20 +1046,19 @@ snd_azf3328_codec_setfmt(struct snd_azf3328 *chip,
DMA_SOMETHING_ELSE
);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
+ spin_unlock_irqrestore(codec->lock, flags);
snd_azf3328_dbgcallleave();
}
static inline void
-snd_azf3328_codec_setfmt_lowpower(struct snd_azf3328 *chip,
- enum snd_azf3328_codec_type codec_type
+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(chip, codec_type, AZF_FREQ_4000, 8, 1);
+ snd_azf3328_codec_setfmt(codec, AZF_FREQ_4000, 8, 1);
}
static void
@@ -1101,69 +1132,87 @@ snd_azf3328_ctrl_codec_activity(struct snd_azf3328 *chip,
/* ...and adjust clock, too
* (reduce noise and power consumption) */
if (!enable)
- snd_azf3328_codec_setfmt_lowpower(
- chip,
- codec_type
- );
+ snd_azf3328_codec_setfmt_lowpower(codec);
codec->running = enable;
}
}
static void
-snd_azf3328_codec_setdmaa(struct snd_azf3328 *chip,
- enum snd_azf3328_codec_type codec_type,
+snd_azf3328_codec_setdmaa(struct snd_azf3328_codec_data *codec,
unsigned long addr,
- unsigned int count,
- unsigned int size
+ unsigned int period_bytes,
+ unsigned int buffer_bytes
)
{
- const struct snd_azf3328_codec_data *codec = &chip->codecs[codec_type];
snd_azf3328_dbgcallenter();
+ WARN_ONCE(period_bytes & 1, "odd period length!?\n");
+ WARN_ONCE(buffer_bytes != 2 * period_bytes,
+ "missed our input expectations! %u vs. %u\n",
+ buffer_bytes, period_bytes);
if (!codec->running) {
/* AZF3328 uses a two buffer pointer DMA transfer approach */
- unsigned long flags, addr_area2;
+ unsigned long flags;
/* width 32bit (prevent overflow): */
- u32 count_areas, lengths;
+ 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;
- count_areas = size/2;
- addr_area2 = addr+count_areas;
- snd_azf3328_dbgcodec("setdma: buffers %08lx[%u] / %08lx[%u]\n",
- addr, count_areas, addr_area2, count_areas);
+ snd_azf3328_dbgcodec(
+ "setdma: buffers %08x[%u] / %08x[%u], %u, %u\n",
+ setup_io.dma_start_1, area_length,
+ setup_io.dma_start_2, area_length,
+ period_bytes, buffer_bytes);
- count_areas--; /* max. index */
+ /* Hmm, are we really supposed to decrement this by 1??
+ Most definitely certainly not: configuring full length does
+ work properly (i.e. likely better), and BTW we
+ violated possibly differing frame sizes with this...
+
+ area_length--; |* max. index *|
+ */
/* build combined I/O buffer length word */
- lengths = (count_areas << 16) | (count_areas);
- spin_lock_irqsave(&chip->reg_lock, flags);
- snd_azf3328_codec_outl(codec, IDX_IO_CODEC_DMA_START_1, addr);
- snd_azf3328_codec_outl(codec, IDX_IO_CODEC_DMA_START_2,
- addr_area2);
- snd_azf3328_codec_outl(codec, IDX_IO_CODEC_DMA_LENGTHS,
- lengths);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
+ setup_io.dma_lengths = (area_length << 16) | (area_length);
+
+ spin_lock_irqsave(codec->lock, flags);
+ snd_azf3328_codec_outl_multi(
+ codec, IDX_IO_CODEC_DMA_START_1, &setup_io, 3
+ );
+ spin_unlock_irqrestore(codec->lock, flags);
}
snd_azf3328_dbgcallleave();
}
static int
-snd_azf3328_codec_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_codec_setfmt(chip, AZF_CODEC_...,
+ snd_azf3328_codec_setfmt(codec,
runtime->rate,
snd_pcm_format_width(runtime->format),
runtime->channels);
- snd_azf3328_codec_setdmaa(chip, AZF_CODEC_...,
+ snd_azf3328_codec_setdmaa(codec,
runtime->dma_addr, count, size);
#endif
snd_azf3328_dbgcallleave();
@@ -1171,24 +1220,23 @@ snd_azf3328_codec_prepare(struct snd_pcm_substream *substream)
}
static int
-snd_azf3328_codec_trigger(enum snd_azf3328_codec_type codec_type,
- 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);
- const struct snd_azf3328_codec_data *codec = &chip->codecs[codec_type];
struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_azf3328_codec_data *codec = runtime->private_data;
int result = 0;
u16 flags1;
bool previously_muted = 0;
- bool is_playback_codec = (AZF_CODEC_PLAYBACK == codec_type);
+ bool is_main_mixer_playback_codec = (AZF_CODEC_PLAYBACK == codec->type);
- snd_azf3328_dbgcalls("snd_azf3328_codec_trigger cmd %d\n", cmd);
+ snd_azf3328_dbgcalls("snd_azf3328_pcm_trigger cmd %d\n", cmd);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
snd_azf3328_dbgcodec("START %s\n", codec->name);
- if (is_playback_codec) {
+ if (is_main_mixer_playback_codec) {
/* mute WaveOut (avoid clicking during setup) */
previously_muted =
snd_azf3328_mixer_set_mute(
@@ -1196,12 +1244,12 @@ snd_azf3328_codec_trigger(enum snd_azf3328_codec_type codec_type,
);
}
- snd_azf3328_codec_setfmt(chip, codec_type,
+ snd_azf3328_codec_setfmt(codec,
runtime->rate,
snd_pcm_format_width(runtime->format),
runtime->channels);
- spin_lock(&chip->reg_lock);
+ spin_lock(codec->lock);
/* first, remember current value: */
flags1 = snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS);
@@ -1211,14 +1259,14 @@ snd_azf3328_codec_trigger(enum snd_azf3328_codec_type codec_type,
/* FIXME: clear interrupts or what??? */
snd_azf3328_codec_outw(codec, IDX_IO_CODEC_IRQTYPE, 0xffff);
- spin_unlock(&chip->reg_lock);
+ spin_unlock(codec->lock);
- snd_azf3328_codec_setdmaa(chip, codec_type, runtime->dma_addr,
+ snd_azf3328_codec_setdmaa(codec, runtime->dma_addr,
snd_pcm_lib_period_bytes(substream),
snd_pcm_lib_buffer_bytes(substream)
);
- spin_lock(&chip->reg_lock);
+ spin_lock(codec->lock);
#ifdef WIN9X
/* FIXME: enable playback/recording??? */
flags1 |= DMA_RUN_SOMETHING1 | DMA_RUN_SOMETHING2;
@@ -1242,10 +1290,10 @@ snd_azf3328_codec_trigger(enum snd_azf3328_codec_type codec_type,
DMA_EPILOGUE_SOMETHING |
DMA_SOMETHING_ELSE);
#endif
- spin_unlock(&chip->reg_lock);
- snd_azf3328_ctrl_codec_activity(chip, codec_type, 1);
+ spin_unlock(codec->lock);
+ snd_azf3328_ctrl_codec_activity(chip, codec->type, 1);
- if (is_playback_codec) {
+ if (is_main_mixer_playback_codec) {
/* now unmute WaveOut */
if (!previously_muted)
snd_azf3328_mixer_set_mute(
@@ -1258,19 +1306,19 @@ snd_azf3328_codec_trigger(enum snd_azf3328_codec_type codec_type,
case SNDRV_PCM_TRIGGER_RESUME:
snd_azf3328_dbgcodec("RESUME %s\n", codec->name);
/* resume codec if we were active */
- spin_lock(&chip->reg_lock);
+ 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(&chip->reg_lock);
+ spin_unlock(codec->lock);
break;
case SNDRV_PCM_TRIGGER_STOP:
snd_azf3328_dbgcodec("STOP %s\n", codec->name);
- if (is_playback_codec) {
+ if (is_main_mixer_playback_codec) {
/* mute WaveOut (avoid clicking during setup) */
previously_muted =
snd_azf3328_mixer_set_mute(
@@ -1278,7 +1326,7 @@ snd_azf3328_codec_trigger(enum snd_azf3328_codec_type codec_type,
);
}
- spin_lock(&chip->reg_lock);
+ spin_lock(codec->lock);
/* first, remember current value: */
flags1 = snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS);
@@ -1293,10 +1341,10 @@ snd_azf3328_codec_trigger(enum snd_azf3328_codec_type codec_type,
flags1 &= ~DMA_RUN_SOMETHING1;
snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
- spin_unlock(&chip->reg_lock);
- snd_azf3328_ctrl_codec_activity(chip, codec_type, 0);
+ spin_unlock(codec->lock);
+ snd_azf3328_ctrl_codec_activity(chip, codec->type, 0);
- if (is_playback_codec) {
+ if (is_main_mixer_playback_codec) {
/* now unmute WaveOut */
if (!previously_muted)
snd_azf3328_mixer_set_mute(
@@ -1330,67 +1378,29 @@ snd_azf3328_codec_trigger(enum snd_azf3328_codec_type codec_type,
return result;
}
-static int
-snd_azf3328_codec_playback_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- return snd_azf3328_codec_trigger(AZF_CODEC_PLAYBACK, substream, cmd);
-}
-
-static int
-snd_azf3328_codec_capture_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- return snd_azf3328_codec_trigger(AZF_CODEC_CAPTURE, substream, cmd);
-}
-
-static int
-snd_azf3328_codec_i2s_out_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- return snd_azf3328_codec_trigger(AZF_CODEC_I2S_OUT, substream, cmd);
-}
-
static snd_pcm_uframes_t
-snd_azf3328_codec_pointer(struct snd_pcm_substream *substream,
- enum snd_azf3328_codec_type codec_type
+snd_azf3328_pcm_pointer(struct snd_pcm_substream *substream
)
{
- const struct snd_azf3328 *chip = snd_pcm_substream_chip(substream);
- const struct snd_azf3328_codec_data *codec = &chip->codecs[codec_type];
- unsigned long bufptr, result;
+ const struct snd_azf3328_codec_data *codec =
+ substream->runtime->private_data;
+ unsigned long result;
snd_pcm_uframes_t frmres;
-#ifdef QUERY_HARDWARE
- bufptr = snd_azf3328_codec_inl(codec, IDX_IO_CODEC_DMA_START_1);
-#else
- bufptr = substream->runtime->dma_addr;
-#endif
result = snd_azf3328_codec_inl(codec, IDX_IO_CODEC_DMA_CURRPOS);
/* calculate offset */
- result -= bufptr;
+#ifdef QUERY_HARDWARE
+ result -= snd_azf3328_codec_inl(codec, IDX_IO_CODEC_DMA_START_1);
+#else
+ result -= codec->dma_base;
+#endif
frmres = bytes_to_frames( substream->runtime, result);
- snd_azf3328_dbgcodec("%s @ 0x%8lx, frames %8ld\n",
- codec->name, result, frmres);
+ snd_azf3328_dbgcodec("%08li %s @ 0x%8lx, frames %8ld\n",
+ jiffies, codec->name, result, frmres);
return frmres;
}
-static snd_pcm_uframes_t
-snd_azf3328_codec_playback_pointer(struct snd_pcm_substream *substream)
-{
- return snd_azf3328_codec_pointer(substream, AZF_CODEC_PLAYBACK);
-}
-
-static snd_pcm_uframes_t
-snd_azf3328_codec_capture_pointer(struct snd_pcm_substream *substream)
-{
- return snd_azf3328_codec_pointer(substream, AZF_CODEC_CAPTURE);
-}
-
-static snd_pcm_uframes_t
-snd_azf3328_codec_i2s_out_pointer(struct snd_pcm_substream *substream)
-{
- return snd_azf3328_codec_pointer(substream, AZF_CODEC_I2S_OUT);
-}
-
/******************************************************************/
#ifdef SUPPORT_GAMEPORT
@@ -1532,7 +1542,7 @@ snd_azf3328_gameport_cooked_read(struct gameport *gameport,
}
}
- /* trigger next axes sampling, to be evaluated the next time we
+ /* trigger next sampling of axes, to be evaluated the next time we
* enter this function */
/* for some very, very strange reason we cannot enable
@@ -1624,29 +1634,29 @@ snd_azf3328_irq_log_unknown_type(u8 which)
}
static inline void
-snd_azf3328_codec_interrupt(struct snd_azf3328 *chip, u8 status)
+snd_azf3328_pcm_interrupt(const struct snd_azf3328_codec_data *first_codec,
+ u8 status
+)
{
u8 which;
enum snd_azf3328_codec_type codec_type;
- const struct snd_azf3328_codec_data *codec;
+ const struct snd_azf3328_codec_data *codec = first_codec;
for (codec_type = AZF_CODEC_PLAYBACK;
codec_type <= AZF_CODEC_I2S_OUT;
- ++codec_type) {
+ ++codec_type, ++codec) {
/* skip codec if there's no interrupt for it */
if (!(status & (1 << codec_type)))
continue;
- codec = &chip->codecs[codec_type];
-
- spin_lock(&chip->reg_lock);
+ 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(&chip->reg_lock);
+ spin_unlock(codec->lock);
- if ((chip->pcm[codec_type]) && (codec->substream)) {
+ if (codec->substream) {
snd_pcm_period_elapsed(codec->substream);
snd_azf3328_dbgcodec("%s period done (#%x), @ %x\n",
codec->name,
@@ -1701,7 +1711,7 @@ snd_azf3328_interrupt(int irq, void *dev_id)
}
if (status & (IRQ_PLAYBACK|IRQ_RECORDING|IRQ_I2S_OUT))
- snd_azf3328_codec_interrupt(chip, status);
+ snd_azf3328_pcm_interrupt(chip->codecs, status);
if (status & IRQ_GAMEPORT)
snd_azf3328_gameport_interrupt(chip);
@@ -1789,101 +1799,85 @@ snd_azf3328_pcm_open(struct snd_pcm_substream *substream,
{
struct snd_azf3328 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_azf3328_codec_data *codec = &chip->codecs[codec_type];
snd_azf3328_dbgcallenter();
- chip->codecs[codec_type].substream = substream;
+ codec->substream = substream;
/* same parameters for all our codecs - at least we think so... */
runtime->hw = snd_azf3328_hardware;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&snd_azf3328_hw_constraints_rates);
+ runtime->private_data = codec;
snd_azf3328_dbgcallleave();
return 0;
}
static int
-snd_azf3328_playback_open(struct snd_pcm_substream *substream)
+snd_azf3328_pcm_playback_open(struct snd_pcm_substream *substream)
{
return snd_azf3328_pcm_open(substream, AZF_CODEC_PLAYBACK);
}
static int
-snd_azf3328_capture_open(struct snd_pcm_substream *substream)
+snd_azf3328_pcm_capture_open(struct snd_pcm_substream *substream)
{
return snd_azf3328_pcm_open(substream, AZF_CODEC_CAPTURE);
}
static int
-snd_azf3328_i2s_out_open(struct snd_pcm_substream *substream)
+snd_azf3328_pcm_i2s_out_open(struct snd_pcm_substream *substream)
{
return snd_azf3328_pcm_open(substream, AZF_CODEC_I2S_OUT);
}
static int
-snd_azf3328_pcm_close(struct snd_pcm_substream *substream,
- enum snd_azf3328_codec_type codec_type
+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->codecs[codec_type].substream = NULL;
+ codec->substream = NULL;
snd_azf3328_dbgcallleave();
return 0;
}
-static int
-snd_azf3328_playback_close(struct snd_pcm_substream *substream)
-{
- return snd_azf3328_pcm_close(substream, AZF_CODEC_PLAYBACK);
-}
-
-static int
-snd_azf3328_capture_close(struct snd_pcm_substream *substream)
-{
- return snd_azf3328_pcm_close(substream, AZF_CODEC_CAPTURE);
-}
-
-static int
-snd_azf3328_i2s_out_close(struct snd_pcm_substream *substream)
-{
- return snd_azf3328_pcm_close(substream, AZF_CODEC_I2S_OUT);
-}
-
/******************************************************************/
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_codec_prepare,
- .trigger = snd_azf3328_codec_playback_trigger,
- .pointer = snd_azf3328_codec_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_codec_prepare,
- .trigger = snd_azf3328_codec_capture_trigger,
- .pointer = snd_azf3328_codec_capture_pointer
+ .prepare = snd_azf3328_pcm_prepare,
+ .trigger = snd_azf3328_pcm_trigger,
+ .pointer = snd_azf3328_pcm_pointer
};
static struct snd_pcm_ops snd_azf3328_i2s_out_ops = {
- .open = snd_azf3328_i2s_out_open,
- .close = snd_azf3328_i2s_out_close,
+ .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_codec_prepare,
- .trigger = snd_azf3328_codec_i2s_out_trigger,
- .pointer = snd_azf3328_codec_i2s_out_pointer
+ .prepare = snd_azf3328_pcm_prepare,
+ .trigger = snd_azf3328_pcm_trigger,
+ .pointer = snd_azf3328_pcm_pointer
};
static int __devinit
@@ -1966,7 +1960,7 @@ snd_azf3328_timer_start(struct snd_timer *timer)
snd_azf3328_dbgtimer("delay was too low (%d)!\n", delay);
delay = 49; /* minimum time is 49 ticks */
}
- snd_azf3328_dbgtimer("setting timer countdown value %d, add COUNTDOWN|IRQ\n", delay);
+ snd_azf3328_dbgtimer("setting timer countdown value %d\n", delay);
delay |= TIMER_COUNTDOWN_ENABLE | TIMER_IRQ_ENABLE;
spin_lock_irqsave(&chip->reg_lock, flags);
snd_azf3328_ctrl_outl(chip, IDX_IO_TIMER_VALUE, delay);
@@ -2180,6 +2174,7 @@ snd_azf3328_create(struct snd_card *card,
};
u8 dma_init;
enum snd_azf3328_codec_type codec_type;
+ struct snd_azf3328_codec_data *codec_setup;
*rchip = NULL;
@@ -2217,15 +2212,23 @@ snd_azf3328_create(struct snd_card *card,
chip->opl3_io = pci_resource_start(pci, 3);
chip->mixer_io = pci_resource_start(pci, 4);
- chip->codecs[AZF_CODEC_PLAYBACK].io_base =
- chip->ctrl_io + AZF_IO_OFFS_CODEC_PLAYBACK;
- chip->codecs[AZF_CODEC_PLAYBACK].name = "PLAYBACK";
- chip->codecs[AZF_CODEC_CAPTURE].io_base =
- chip->ctrl_io + AZF_IO_OFFS_CODEC_CAPTURE;
- chip->codecs[AZF_CODEC_CAPTURE].name = "CAPTURE";
- chip->codecs[AZF_CODEC_I2S_OUT].io_base =
- chip->ctrl_io + AZF_IO_OFFS_CODEC_I2S_OUT;
- chip->codecs[AZF_CODEC_I2S_OUT].name = "I2S_OUT";
+ 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)) {
@@ -2257,15 +2260,15 @@ snd_azf3328_create(struct snd_card *card,
struct snd_azf3328_codec_data *codec =
&chip->codecs[codec_type];
- /* shutdown codecs to save power */
+ /* shutdown codecs to reduce power / noise */
/* have ...ctrl_codec_activity() act properly */
codec->running = 1;
snd_azf3328_ctrl_codec_activity(chip, codec_type, 0);
- spin_lock_irq(&chip->reg_lock);
+ spin_lock_irq(codec->lock);
snd_azf3328_codec_outb(codec, IDX_IO_CODEC_DMA_FLAGS,
dma_init);
- spin_unlock_irq(&chip->reg_lock);
+ spin_unlock_irq(codec->lock);
}
snd_card_set_dev(card, &pci->dev);
@@ -2419,6 +2422,7 @@ snd_azf3328_suspend(struct pci_dev *pci, pm_message_t state)
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+ /* same pcm object for playback/capture */
snd_pcm_suspend_all(chip->pcm[AZF_CODEC_PLAYBACK]);
snd_pcm_suspend_all(chip->pcm[AZF_CODEC_I2S_OUT]);
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