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-rw-r--r--sound/pci/emu10k1/emufx.c41
-rw-r--r--sound/pci/hda/hda_codec.c14
-rw-r--r--sound/pci/hda/hda_intel.c39
-rw-r--r--sound/pci/hda/patch_analog.c8
-rw-r--r--sound/pci/hda/patch_conexant.c21
-rw-r--r--sound/pci/hda/patch_realtek.c5
-rw-r--r--sound/pci/hda/patch_sigmatel.c37
-rw-r--r--sound/pci/intel8x0.c103
8 files changed, 179 insertions, 89 deletions
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 191e1cd9997d..4b302d86f5f2 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -2493,24 +2493,17 @@ static int snd_emu10k1_fx8010_ioctl(struct snd_hwdep * hw, struct file *file, un
case SNDRV_EMU10K1_IOCTL_CODE_POKE:
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- icode = kmalloc(sizeof(*icode), GFP_KERNEL);
- if (icode == NULL)
- return -ENOMEM;
- if (copy_from_user(icode, argp, sizeof(*icode))) {
- kfree(icode);
- return -EFAULT;
- }
+
+ icode = memdup_user(argp, sizeof(*icode));
+ if (IS_ERR(icode))
+ return PTR_ERR(icode);
res = snd_emu10k1_icode_poke(emu, icode);
kfree(icode);
return res;
case SNDRV_EMU10K1_IOCTL_CODE_PEEK:
- icode = kmalloc(sizeof(*icode), GFP_KERNEL);
- if (icode == NULL)
- return -ENOMEM;
- if (copy_from_user(icode, argp, sizeof(*icode))) {
- kfree(icode);
- return -EFAULT;
- }
+ icode = memdup_user(argp, sizeof(*icode));
+ if (IS_ERR(icode))
+ return PTR_ERR(icode);
res = snd_emu10k1_icode_peek(emu, icode);
if (res == 0 && copy_to_user(argp, icode, sizeof(*icode))) {
kfree(icode);
@@ -2519,24 +2512,16 @@ static int snd_emu10k1_fx8010_ioctl(struct snd_hwdep * hw, struct file *file, un
kfree(icode);
return res;
case SNDRV_EMU10K1_IOCTL_PCM_POKE:
- ipcm = kmalloc(sizeof(*ipcm), GFP_KERNEL);
- if (ipcm == NULL)
- return -ENOMEM;
- if (copy_from_user(ipcm, argp, sizeof(*ipcm))) {
- kfree(ipcm);
- return -EFAULT;
- }
+ ipcm = memdup_user(argp, sizeof(*ipcm));
+ if (IS_ERR(ipcm))
+ return PTR_ERR(ipcm);
res = snd_emu10k1_ipcm_poke(emu, ipcm);
kfree(ipcm);
return res;
case SNDRV_EMU10K1_IOCTL_PCM_PEEK:
- ipcm = kzalloc(sizeof(*ipcm), GFP_KERNEL);
- if (ipcm == NULL)
- return -ENOMEM;
- if (copy_from_user(ipcm, argp, sizeof(*ipcm))) {
- kfree(ipcm);
- return -EFAULT;
- }
+ ipcm = memdup_user(argp, sizeof(*ipcm));
+ if (IS_ERR(ipcm))
+ return PTR_ERR(ipcm);
res = snd_emu10k1_ipcm_peek(emu, ipcm);
if (res == 0 && copy_to_user(argp, ipcm, sizeof(*ipcm))) {
kfree(ipcm);
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index a4e5e5952115..8820faf6c9d8 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -642,19 +642,21 @@ static int get_codec_name(struct hda_codec *codec)
*/
static void /*__devinit*/ setup_fg_nodes(struct hda_codec *codec)
{
- int i, total_nodes;
+ int i, total_nodes, function_id;
hda_nid_t nid;
total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
for (i = 0; i < total_nodes; i++, nid++) {
- codec->function_id = snd_hda_param_read(codec, nid,
+ function_id = snd_hda_param_read(codec, nid,
AC_PAR_FUNCTION_TYPE) & 0xff;
- switch (codec->function_id) {
+ switch (function_id) {
case AC_GRP_AUDIO_FUNCTION:
codec->afg = nid;
+ codec->function_id = function_id;
break;
case AC_GRP_MODEM_FUNCTION:
codec->mfg = nid;
+ codec->function_id = function_id;
break;
default:
break;
@@ -2250,7 +2252,11 @@ int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
err = bus->ops.command(bus, res);
if (!err) {
struct hda_cache_head *c;
- u32 key = build_cmd_cache_key(nid, verb);
+ u32 key;
+ /* parm may contain the verb stuff for get/set amp */
+ verb = verb | (parm >> 8);
+ parm &= 0xff;
+ key = build_cmd_cache_key(nid, verb);
c = get_alloc_hash(&codec->cmd_cache, key);
if (c)
c->val = parm;
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 7ba8db5d4c42..21e99cfa8c49 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -312,6 +312,8 @@ struct azx_dev {
unsigned int period_bytes; /* size of the period in bytes */
unsigned int frags; /* number for period in the play buffer */
unsigned int fifo_size; /* FIFO size */
+ unsigned long start_jiffies; /* start + minimum jiffies */
+ unsigned long min_jiffies; /* minimum jiffies before position is valid */
void __iomem *sd_addr; /* stream descriptor pointer */
@@ -330,7 +332,7 @@ struct azx_dev {
unsigned int opened :1;
unsigned int running :1;
unsigned int irq_pending :1;
- unsigned int irq_ignore :1;
+ unsigned int start_flag: 1; /* stream full start flag */
/*
* For VIA:
* A flag to ensure DMA position is 0
@@ -975,7 +977,7 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
struct azx *chip = dev_id;
struct azx_dev *azx_dev;
u32 status;
- int i;
+ int i, ok;
spin_lock(&chip->reg_lock);
@@ -991,18 +993,14 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
if (!azx_dev->substream || !azx_dev->running)
continue;
- /* ignore the first dummy IRQ (due to pos_adj) */
- if (azx_dev->irq_ignore) {
- azx_dev->irq_ignore = 0;
- continue;
- }
/* check whether this IRQ is really acceptable */
- if (azx_position_ok(chip, azx_dev)) {
+ ok = azx_position_ok(chip, azx_dev);
+ if (ok == 1) {
azx_dev->irq_pending = 0;
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(azx_dev->substream);
spin_lock(&chip->reg_lock);
- } else if (chip->bus && chip->bus->workq) {
+ } else if (ok == 0 && chip->bus && chip->bus->workq) {
/* bogus IRQ, process it later */
azx_dev->irq_pending = 1;
queue_work(chip->bus->workq,
@@ -1088,7 +1086,6 @@ static int azx_setup_periods(struct azx *chip,
bdl = (u32 *)azx_dev->bdl.area;
ofs = 0;
azx_dev->frags = 0;
- azx_dev->irq_ignore = 0;
pos_adj = bdl_pos_adj[chip->dev_index];
if (pos_adj > 0) {
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -1109,7 +1106,6 @@ static int azx_setup_periods(struct azx *chip,
&bdl, ofs, pos_adj, 1);
if (ofs < 0)
goto error;
- azx_dev->irq_ignore = 1;
}
} else
pos_adj = 0;
@@ -1155,6 +1151,9 @@ static void azx_stream_reset(struct azx *chip, struct azx_dev *azx_dev)
while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
--timeout)
;
+
+ /* reset first position - may not be synced with hw at this time */
+ *azx_dev->posbuf = 0;
}
/*
@@ -1409,7 +1408,6 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
snd_pcm_set_sync(substream);
mutex_unlock(&chip->open_mutex);
- azx_stream_reset(chip, azx_dev);
return 0;
}
@@ -1474,6 +1472,7 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
unsigned int bufsize, period_bytes, format_val;
int err;
+ azx_stream_reset(chip, azx_dev);
format_val = snd_hda_calc_stream_format(runtime->rate,
runtime->channels,
runtime->format,
@@ -1502,6 +1501,8 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
return err;
}
+ azx_dev->min_jiffies = (runtime->period_size * HZ) /
+ (runtime->rate * 2);
azx_setup_controller(chip, azx_dev);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
@@ -1518,13 +1519,14 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
struct azx *chip = apcm->chip;
struct azx_dev *azx_dev;
struct snd_pcm_substream *s;
- int start, nsync = 0, sbits = 0;
+ int rstart = 0, start, nsync = 0, sbits = 0;
int nwait, timeout;
switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ rstart = 1;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
- case SNDRV_PCM_TRIGGER_START:
start = 1;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
@@ -1554,6 +1556,10 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
if (s->pcm->card != substream->pcm->card)
continue;
azx_dev = get_azx_dev(s);
+ if (rstart) {
+ azx_dev->start_flag = 1;
+ azx_dev->start_jiffies = jiffies + azx_dev->min_jiffies;
+ }
if (start)
azx_stream_start(chip, azx_dev);
else
@@ -1703,6 +1709,11 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
{
unsigned int pos;
+ if (azx_dev->start_flag &&
+ time_before_eq(jiffies, azx_dev->start_jiffies))
+ return -1; /* bogus (too early) interrupt */
+ azx_dev->start_flag = 0;
+
pos = azx_get_position(chip, azx_dev);
if (chip->position_fix == POS_FIX_AUTO) {
if (!pos) {
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 38ad3f7b040f..9bcd8ab5a27f 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -3977,6 +3977,14 @@ static int patch_ad1884a(struct hda_codec *codec)
spec->input_mux = &ad1884a_laptop_capture_source;
codec->patch_ops.unsol_event = ad1884a_hp_unsol_event;
codec->patch_ops.init = ad1884a_hp_init;
+ /* set the upper-limit for mixer amp to 0dB for avoiding the
+ * possible damage by overloading
+ */
+ snd_hda_override_amp_caps(codec, 0x20, HDA_INPUT,
+ (0x17 << AC_AMPCAP_OFFSET_SHIFT) |
+ (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
+ (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) |
+ (1 << AC_AMPCAP_MUTE_SHIFT));
break;
case AD1884A_MOBILE:
spec->mixers[0] = ad1884a_mobile_mixers;
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 1f2ad76ca94b..56ce19e68cb5 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -350,12 +350,20 @@ static int conexant_mux_enum_put(struct snd_kcontrol *kcontrol,
}
#ifdef CONFIG_SND_JACK
+static void conexant_free_jack_priv(struct snd_jack *jack)
+{
+ struct conexant_jack *jacks = jack->private_data;
+ jacks->nid = 0;
+ jacks->jack = NULL;
+}
+
static int conexant_add_jack(struct hda_codec *codec,
hda_nid_t nid, int type)
{
struct conexant_spec *spec;
struct conexant_jack *jack;
const char *name;
+ int err;
spec = codec->spec;
snd_array_init(&spec->jacks, sizeof(*jack), 32);
@@ -368,7 +376,12 @@ static int conexant_add_jack(struct hda_codec *codec,
jack->nid = nid;
jack->type = type;
- return snd_jack_new(codec->bus->card, name, type, &jack->jack);
+ err = snd_jack_new(codec->bus->card, name, type, &jack->jack);
+ if (err < 0)
+ return err;
+ jack->jack->private_data = jack;
+ jack->jack->private_free = conexant_free_jack_priv;
+ return 0;
}
static void conexant_report_jack(struct hda_codec *codec, hda_nid_t nid)
@@ -455,8 +468,10 @@ static void conexant_free(struct hda_codec *codec)
if (spec->jacks.list) {
struct conexant_jack *jacks = spec->jacks.list;
int i;
- for (i = 0; i < spec->jacks.used; i++)
- snd_device_free(codec->bus->card, &jacks[i].jack);
+ for (i = 0; i < spec->jacks.used; i++, jacks++) {
+ if (jacks->jack)
+ snd_device_free(codec->bus->card, jacks->jack);
+ }
snd_array_free(&spec->jacks);
}
#endif
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f35e58a2d921..6ed787eedd06 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -8742,10 +8742,9 @@ static struct snd_pci_quirk alc883_cfg_tbl[] = {
SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC883_LAPTOP_EAPD),
SND_PCI_QUIRK(0x15d9, 0x8780, "Supermicro PDSBA", ALC883_3ST_6ch),
SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_MEDION),
- SND_PCI_QUIRK(0x1734, 0x1107, "FSC AMILO Xi2550",
+ SND_PCI_QUIRK_MASK(0x1734, 0xfff0, 0x1100, "FSC AMILO Xi/Pi25xx",
ALC883_FUJITSU_PI2515),
- SND_PCI_QUIRK(0x1734, 0x1108, "Fujitsu AMILO Pi2515", ALC883_FUJITSU_PI2515),
- SND_PCI_QUIRK(0x1734, 0x113d, "Fujitsu AMILO Xa3530",
+ SND_PCI_QUIRK_MASK(0x1734, 0xfff0, 0x1130, "Fujitsu AMILO Xa35xx",
ALC888_FUJITSU_XA3530),
SND_PCI_QUIRK(0x17aa, 0x101e, "Lenovo 101e", ALC883_LENOVO_101E_2ch),
SND_PCI_QUIRK(0x17aa, 0x2085, "Lenovo NB0763", ALC883_LENOVO_NB0763),
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 61996a2f45df..917bc5d3ac2c 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -3076,6 +3076,11 @@ static int create_multi_out_ctls(struct hda_codec *codec, int num_outs,
unsigned int wid_caps;
for (i = 0; i < num_outs && i < ARRAY_SIZE(chname); i++) {
+ if (type == AUTO_PIN_HP_OUT && !spec->hp_detect) {
+ wid_caps = get_wcaps(codec, pins[i]);
+ if (wid_caps & AC_WCAP_UNSOL_CAP)
+ spec->hp_detect = 1;
+ }
nid = dac_nids[i];
if (!nid)
continue;
@@ -3119,11 +3124,6 @@ static int create_multi_out_ctls(struct hda_codec *codec, int num_outs,
err = create_controls_idx(codec, name, idx, nid, 3);
if (err < 0)
return err;
- if (type == AUTO_PIN_HP_OUT && !spec->hp_detect) {
- wid_caps = get_wcaps(codec, pins[i]);
- if (wid_caps & AC_WCAP_UNSOL_CAP)
- spec->hp_detect = 1;
- }
}
}
return 0;
@@ -3851,6 +3851,15 @@ static void stac_gpio_set(struct hda_codec *codec, unsigned int mask,
AC_VERB_SET_GPIO_DATA, gpiostate); /* sync */
}
+#ifdef CONFIG_SND_JACK
+static void stac92xx_free_jack_priv(struct snd_jack *jack)
+{
+ struct sigmatel_jack *jacks = jack->private_data;
+ jacks->nid = 0;
+ jacks->jack = NULL;
+}
+#endif
+
static int stac92xx_add_jack(struct hda_codec *codec,
hda_nid_t nid, int type)
{
@@ -3860,6 +3869,7 @@ static int stac92xx_add_jack(struct hda_codec *codec,
int def_conf = snd_hda_codec_get_pincfg(codec, nid);
int connectivity = get_defcfg_connect(def_conf);
char name[32];
+ int err;
if (connectivity && connectivity != AC_JACK_PORT_FIXED)
return 0;
@@ -3876,10 +3886,15 @@ static int stac92xx_add_jack(struct hda_codec *codec,
snd_hda_get_jack_connectivity(def_conf),
snd_hda_get_jack_location(def_conf));
- return snd_jack_new(codec->bus->card, name, type, &jack->jack);
-#else
- return 0;
+ err = snd_jack_new(codec->bus->card, name, type, &jack->jack);
+ if (err < 0) {
+ jack->nid = 0;
+ return err;
+ }
+ jack->jack->private_data = jack;
+ jack->jack->private_free = stac92xx_free_jack_priv;
#endif
+ return 0;
}
static int stac_add_event(struct sigmatel_spec *spec, hda_nid_t nid,
@@ -4138,8 +4153,10 @@ static void stac92xx_free_jacks(struct hda_codec *codec)
if (!codec->bus->shutdown && spec->jacks.list) {
struct sigmatel_jack *jacks = spec->jacks.list;
int i;
- for (i = 0; i < spec->jacks.used; i++)
- snd_device_free(codec->bus->card, &jacks[i].jack);
+ for (i = 0; i < spec->jacks.used; i++, jacks++) {
+ if (jacks->jack)
+ snd_device_free(codec->bus->card, jacks->jack);
+ }
}
snd_array_free(&spec->jacks);
#endif
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 57648810eaf1..8042d5398892 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -355,6 +355,9 @@ struct ichdev {
unsigned int fragsize1;
unsigned int position;
unsigned int pos_shift;
+ unsigned int last_pos;
+ unsigned long last_pos_jiffies;
+ unsigned int jiffy_to_bytes;
int frags;
int lvi;
int lvi_frag;
@@ -838,7 +841,10 @@ static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd
ichdev->suspended = 0;
/* fallthru */
case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
val = ICH_IOCE | ICH_STARTBM;
+ ichdev->last_pos = ichdev->position;
+ ichdev->last_pos_jiffies = jiffies;
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
ichdev->suspended = 1;
@@ -849,9 +855,6 @@ static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
val = ICH_IOCE;
break;
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- val = ICH_IOCE | ICH_STARTBM;
- break;
default:
return -EINVAL;
}
@@ -1045,6 +1048,7 @@ static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
}
snd_intel8x0_setup_periods(chip, ichdev);
+ ichdev->jiffy_to_bytes = (runtime->rate * 4 * ichdev->pos_shift) / HZ;
return 0;
}
@@ -1053,7 +1057,7 @@ static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *subs
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
struct ichdev *ichdev = get_ichdev(substream);
size_t ptr1, ptr;
- int civ, timeout = 100;
+ int civ, timeout = 10;
unsigned int position;
spin_lock(&chip->reg_lock);
@@ -1069,9 +1073,19 @@ static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *subs
ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
break;
} while (timeout--);
- ptr1 <<= ichdev->pos_shift;
- ptr = ichdev->fragsize1 - ptr1;
- ptr += position;
+ if (ptr1 != 0) {
+ ptr1 <<= ichdev->pos_shift;
+ ptr = ichdev->fragsize1 - ptr1;
+ ptr += position;
+ ichdev->last_pos = ptr;
+ ichdev->last_pos_jiffies = jiffies;
+ } else {
+ ptr1 = jiffies - ichdev->last_pos_jiffies;
+ if (ptr1)
+ ptr1 -= 1;
+ ptr = ichdev->last_pos + ptr1 * ichdev->jiffy_to_bytes;
+ ptr %= ichdev->size;
+ }
spin_unlock(&chip->reg_lock);
if (ptr >= ichdev->size)
return 0;
@@ -1840,6 +1854,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
},
{
.subvendor = 0x1028,
+ .subdevice = 0x016a,
+ .name = "Dell Inspiron 8600", /* STAC9750/51 */
+ .type = AC97_TUNE_HP_ONLY
+ },
+ {
+ .subvendor = 0x1028,
.subdevice = 0x0186,
.name = "Dell Latitude D810", /* cf. Malone #41015 */
.type = AC97_TUNE_HP_MUTE_LED
@@ -1882,12 +1902,6 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
},
{
.subvendor = 0x103c,
- .subdevice = 0x0934,
- .name = "HP nx8220",
- .type = AC97_TUNE_MUTE_LED
- },
- {
- .subvendor = 0x103c,
.subdevice = 0x129d,
.name = "HP xw8000",
.type = AC97_TUNE_HP_ONLY
@@ -2661,12 +2675,14 @@ static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
struct snd_pcm_substream *subs;
struct ichdev *ichdev;
unsigned long port;
- unsigned long pos, t;
- struct timeval start_time, stop_time;
+ unsigned long pos, pos1, t;
+ int civ, timeout = 1000, attempt = 1;
+ struct timespec start_time, stop_time;
if (chip->ac97_bus->clock != 48000)
return; /* specified in module option */
+ __again:
subs = chip->pcm[0]->streams[0].substream;
if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
snd_printk(KERN_WARNING "no playback buffer allocated - aborting measure ac97 clock\n");
@@ -2674,7 +2690,7 @@ static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
}
ichdev = &chip->ichd[ICHD_PCMOUT];
ichdev->physbuf = subs->dma_buffer.addr;
- ichdev->size = chip->ichd[ICHD_PCMOUT].fragsize = INTEL8X0_TESTBUF_SIZE;
+ ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
ichdev->substream = NULL; /* don't process interrupts */
/* set rate */
@@ -2693,16 +2709,31 @@ static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
}
- do_gettimeofday(&start_time);
+ do_posix_clock_monotonic_gettime(&start_time);
spin_unlock_irq(&chip->reg_lock);
msleep(50);
spin_lock_irq(&chip->reg_lock);
/* check the position */
- pos = ichdev->fragsize1;
- pos -= igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << ichdev->pos_shift;
- pos += ichdev->position;
+ do {
+ civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
+ pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
+ if (pos1 == 0) {
+ udelay(10);
+ continue;
+ }
+ if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
+ pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
+ break;
+ } while (timeout--);
+ if (pos1 == 0) { /* oops, this value is not reliable */
+ pos = 0;
+ } else {
+ pos = ichdev->fragsize1;
+ pos -= pos1 << ichdev->pos_shift;
+ pos += ichdev->position;
+ }
chip->in_measurement = 0;
- do_gettimeofday(&stop_time);
+ do_posix_clock_monotonic_gettime(&stop_time);
/* stop */
if (chip->device_type == DEVICE_ALI) {
iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
@@ -2717,19 +2748,37 @@ static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
spin_unlock_irq(&chip->reg_lock);
+ if (pos == 0) {
+ snd_printk(KERN_ERR "intel8x0: measure - unreliable DMA position..\n");
+ __retry:
+ if (attempt < 2) {
+ attempt++;
+ goto __again;
+ }
+ return;
+ }
+
+ pos /= 4;
t = stop_time.tv_sec - start_time.tv_sec;
t *= 1000000;
- t += stop_time.tv_usec - start_time.tv_usec;
- printk(KERN_INFO "%s: measured %lu usecs\n", __func__, t);
+ t += (stop_time.tv_nsec - start_time.tv_nsec) / 1000;
+ printk(KERN_INFO "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
if (t == 0) {
- snd_printk(KERN_ERR "?? calculation error..\n");
- return;
+ snd_printk(KERN_ERR "intel8x0: ?? calculation error..\n");
+ goto __retry;
}
- pos = (pos / 4) * 1000;
+ pos *= 1000;
pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
- if (pos < 40000 || pos >= 60000)
+ if (pos < 40000 || pos >= 60000) {
/* abnormal value. hw problem? */
printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos);
+ goto __retry;
+ } else if (pos > 40500 && pos < 41500)
+ /* first exception - 41000Hz reference clock */
+ chip->ac97_bus->clock = 41000;
+ else if (pos > 43600 && pos < 44600)
+ /* second exception - 44100HZ reference clock */
+ chip->ac97_bus->clock = 44100;
else if (pos < 47500 || pos > 48500)
/* not 48000Hz, tuning the clock.. */
chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 22:47:53 +0000