Merge branches 'defcfg', 'drivers' and 'cyberpro-next' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'defcfg' of master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: 6647/1: add Versatile Express defconfig
  ARM: 6644/1: mach-ux500: update the U8500 defconfig

* 'drivers' of master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: 6764/1: pl011: factor out FIFO to TTY code
  ARM: 6763/1: pl011: add optional RX DMA to PL011 v2
  ARM: 6758/1: amba: support pm ops
  ARM: amba: make amba_driver id_table const
  ARM: amba: make internal ID table handling const
  ARM: amba: make probe() functions take const id tables
  ARM: 6662/1: amba: make amba_bustype non-static
  ARM: mmci: add dmaengine-based DMA support
  ARM: mmci: no need for separate host->data_xfered
  ARM: mmci: avoid unnecessary switch to data available PIO interrupts
  ARM: mmci: no need to call flush_dcache_page() with sg_miter API
  ARM: mmci: avoid reporting too many completed bytes on fifo overrun
  ALSA: AACI: make fifo variables more explanitory
  ALSA: AACI: no need to call snd_pcm_period_elapsed() for each period
  ALSA: AACI: use snd_pcm_lib_period_bytes()
  ALSA: AACI: clean up AACI announcement printk
  ALSA: AACI: fix channel mask selection
  ALSA: AACI: fix number of channels for record
  ALSA: AACI: fix multiple IRQ claiming

* 'cyberpro-next' of master.kernel.org:/home/rmk/linux-2.6-arm:
  VIDEO: cyberpro: remove unused cyber2000fb_get_fb_var()
  VIDEO: cyberpro: remove useless function extreg pointers
  VIDEO: cyberpro: update handling of device structures
  VIDEO: cyberpro: add support for video capture I2C
  VIDEO: cyberpro: make 'reg_b0_lock' always present
  VIDEO: cyberpro: add I2C support
  VIDEO: cyberpro: select lowest multipler/divisor for PLL
Šī revīzija ir iekļauta:
Linus Torvalds
2011-03-17 18:48:35 -07:00
25 mainīti faili ar 1709 papildinājumiem un 355 dzēšanām

Parādīt failu

@@ -210,6 +210,7 @@ static void aaci_fifo_irq(struct aaci *aaci, int channel, u32 mask)
if (mask & ISR_RXINTR) {
struct aaci_runtime *aacirun = &aaci->capture;
bool period_elapsed = false;
void *ptr;
if (!aacirun->substream || !aacirun->start) {
@@ -222,15 +223,12 @@ static void aaci_fifo_irq(struct aaci *aaci, int channel, u32 mask)
ptr = aacirun->ptr;
do {
unsigned int len = aacirun->fifosz;
unsigned int len = aacirun->fifo_bytes;
u32 val;
if (aacirun->bytes <= 0) {
aacirun->bytes += aacirun->period;
aacirun->ptr = ptr;
spin_unlock(&aacirun->lock);
snd_pcm_period_elapsed(aacirun->substream);
spin_lock(&aacirun->lock);
period_elapsed = true;
}
if (!(aacirun->cr & CR_EN))
break;
@@ -260,6 +258,9 @@ static void aaci_fifo_irq(struct aaci *aaci, int channel, u32 mask)
aacirun->ptr = ptr;
spin_unlock(&aacirun->lock);
if (period_elapsed)
snd_pcm_period_elapsed(aacirun->substream);
}
if (mask & ISR_URINTR) {
@@ -269,6 +270,7 @@ static void aaci_fifo_irq(struct aaci *aaci, int channel, u32 mask)
if (mask & ISR_TXINTR) {
struct aaci_runtime *aacirun = &aaci->playback;
bool period_elapsed = false;
void *ptr;
if (!aacirun->substream || !aacirun->start) {
@@ -281,15 +283,12 @@ static void aaci_fifo_irq(struct aaci *aaci, int channel, u32 mask)
ptr = aacirun->ptr;
do {
unsigned int len = aacirun->fifosz;
unsigned int len = aacirun->fifo_bytes;
u32 val;
if (aacirun->bytes <= 0) {
aacirun->bytes += aacirun->period;
aacirun->ptr = ptr;
spin_unlock(&aacirun->lock);
snd_pcm_period_elapsed(aacirun->substream);
spin_lock(&aacirun->lock);
period_elapsed = true;
}
if (!(aacirun->cr & CR_EN))
break;
@@ -319,6 +318,9 @@ static void aaci_fifo_irq(struct aaci *aaci, int channel, u32 mask)
aacirun->ptr = ptr;
spin_unlock(&aacirun->lock);
if (period_elapsed)
snd_pcm_period_elapsed(aacirun->substream);
}
}
@@ -361,7 +363,7 @@ static struct snd_pcm_hardware aaci_hw_info = {
/* rates are setup from the AC'97 codec */
.channels_min = 2,
.channels_max = 6,
.channels_max = 2,
.buffer_bytes_max = 64 * 1024,
.period_bytes_min = 256,
.period_bytes_max = PAGE_SIZE,
@@ -369,12 +371,46 @@ static struct snd_pcm_hardware aaci_hw_info = {
.periods_max = PAGE_SIZE / 16,
};
static int __aaci_pcm_open(struct aaci *aaci,
struct snd_pcm_substream *substream,
struct aaci_runtime *aacirun)
/*
* We can support two and four channel audio. Unfortunately
* six channel audio requires a non-standard channel ordering:
* 2 -> FL(3), FR(4)
* 4 -> FL(3), FR(4), SL(7), SR(8)
* 6 -> FL(3), FR(4), SL(7), SR(8), C(6), LFE(9) (required)
* FL(3), FR(4), C(6), SL(7), SR(8), LFE(9) (actual)
* This requires an ALSA configuration file to correct.
*/
static int aaci_rule_channels(struct snd_pcm_hw_params *p,
struct snd_pcm_hw_rule *rule)
{
static unsigned int channel_list[] = { 2, 4, 6 };
struct aaci *aaci = rule->private;
unsigned int mask = 1 << 0, slots;
/* pcms[0] is the our 5.1 PCM instance. */
slots = aaci->ac97_bus->pcms[0].r[0].slots;
if (slots & (1 << AC97_SLOT_PCM_SLEFT)) {
mask |= 1 << 1;
if (slots & (1 << AC97_SLOT_LFE))
mask |= 1 << 2;
}
return snd_interval_list(hw_param_interval(p, rule->var),
ARRAY_SIZE(channel_list), channel_list, mask);
}
static int aaci_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
int ret;
struct aaci *aaci = substream->private_data;
struct aaci_runtime *aacirun;
int ret = 0;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
aacirun = &aaci->playback;
} else {
aacirun = &aaci->capture;
}
aacirun->substream = substream;
runtime->private_data = aacirun;
@@ -382,27 +418,37 @@ static int __aaci_pcm_open(struct aaci *aaci,
runtime->hw.rates = aacirun->pcm->rates;
snd_pcm_limit_hw_rates(runtime);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
aacirun->pcm->r[1].slots)
snd_ac97_pcm_double_rate_rules(runtime);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
runtime->hw.channels_max = 6;
/* Add rule describing channel dependency. */
ret = snd_pcm_hw_rule_add(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_CHANNELS,
aaci_rule_channels, aaci,
SNDRV_PCM_HW_PARAM_CHANNELS, -1);
if (ret)
return ret;
if (aacirun->pcm->r[1].slots)
snd_ac97_pcm_double_rate_rules(runtime);
}
/*
* FIXME: ALSA specifies fifo_size in bytes. If we're in normal
* mode, each 32-bit word contains one sample. If we're in
* compact mode, each 32-bit word contains two samples, effectively
* halving the FIFO size. However, we don't know for sure which
* we'll be using at this point. We set this to the lower limit.
* ALSA wants the byte-size of the FIFOs. As we only support
* 16-bit samples, this is twice the FIFO depth irrespective
* of whether it's in compact mode or not.
*/
runtime->hw.fifo_size = aaci->fifosize * 2;
runtime->hw.fifo_size = aaci->fifo_depth * 2;
ret = request_irq(aaci->dev->irq[0], aaci_irq, IRQF_SHARED|IRQF_DISABLED,
DRIVER_NAME, aaci);
if (ret)
goto out;
mutex_lock(&aaci->irq_lock);
if (!aaci->users++) {
ret = request_irq(aaci->dev->irq[0], aaci_irq,
IRQF_SHARED | IRQF_DISABLED, DRIVER_NAME, aaci);
if (ret != 0)
aaci->users--;
}
mutex_unlock(&aaci->irq_lock);
return 0;
out:
return ret;
}
@@ -418,7 +464,11 @@ static int aaci_pcm_close(struct snd_pcm_substream *substream)
WARN_ON(aacirun->cr & CR_EN);
aacirun->substream = NULL;
free_irq(aaci->dev->irq[0], aaci);
mutex_lock(&aaci->irq_lock);
if (!--aaci->users)
free_irq(aaci->dev->irq[0], aaci);
mutex_unlock(&aaci->irq_lock);
return 0;
}
@@ -444,12 +494,21 @@ static int aaci_pcm_hw_free(struct snd_pcm_substream *substream)
return 0;
}
/* Channel to slot mask */
static const u32 channels_to_slotmask[] = {
[2] = CR_SL3 | CR_SL4,
[4] = CR_SL3 | CR_SL4 | CR_SL7 | CR_SL8,
[6] = CR_SL3 | CR_SL4 | CR_SL7 | CR_SL8 | CR_SL6 | CR_SL9,
};
static int aaci_pcm_hw_params(struct snd_pcm_substream *substream,
struct aaci_runtime *aacirun,
struct snd_pcm_hw_params *params)
{
struct aaci_runtime *aacirun = substream->runtime->private_data;
unsigned int channels = params_channels(params);
unsigned int rate = params_rate(params);
int dbl = rate > 48000;
int err;
struct aaci *aaci = substream->private_data;
aaci_pcm_hw_free(substream);
if (aacirun->pcm_open) {
@@ -457,22 +516,28 @@ static int aaci_pcm_hw_params(struct snd_pcm_substream *substream,
aacirun->pcm_open = 0;
}
/* channels is already limited to 2, 4, or 6 by aaci_rule_channels */
if (dbl && channels != 2)
return -EINVAL;
err = snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(params));
if (err >= 0) {
unsigned int rate = params_rate(params);
int dbl = rate > 48000;
struct aaci *aaci = substream->private_data;
err = snd_ac97_pcm_open(aacirun->pcm, rate,
params_channels(params),
err = snd_ac97_pcm_open(aacirun->pcm, rate, channels,
aacirun->pcm->r[dbl].slots);
aacirun->pcm_open = err == 0;
aacirun->cr = CR_FEN | CR_COMPACT | CR_SZ16;
aacirun->fifosz = aaci->fifosize * 4;
aacirun->cr |= channels_to_slotmask[channels + dbl * 2];
if (aacirun->cr & CR_COMPACT)
aacirun->fifosz >>= 1;
/*
* fifo_bytes is the number of bytes we transfer to/from
* the FIFO, including padding. So that's x4. As we're
* in compact mode, the FIFO is half the size.
*/
aacirun->fifo_bytes = aaci->fifo_depth * 4 / 2;
}
return err;
@@ -483,11 +548,11 @@ static int aaci_pcm_prepare(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct aaci_runtime *aacirun = runtime->private_data;
aacirun->period = snd_pcm_lib_period_bytes(substream);
aacirun->start = runtime->dma_area;
aacirun->end = aacirun->start + snd_pcm_lib_buffer_bytes(substream);
aacirun->ptr = aacirun->start;
aacirun->period =
aacirun->bytes = frames_to_bytes(runtime, runtime->period_size);
aacirun->bytes = aacirun->period;
return 0;
}
@@ -505,89 +570,6 @@ static snd_pcm_uframes_t aaci_pcm_pointer(struct snd_pcm_substream *substream)
/*
* Playback specific ALSA stuff
*/
static const u32 channels_to_txmask[] = {
[2] = CR_SL3 | CR_SL4,
[4] = CR_SL3 | CR_SL4 | CR_SL7 | CR_SL8,
[6] = CR_SL3 | CR_SL4 | CR_SL7 | CR_SL8 | CR_SL6 | CR_SL9,
};
/*
* We can support two and four channel audio. Unfortunately
* six channel audio requires a non-standard channel ordering:
* 2 -> FL(3), FR(4)
* 4 -> FL(3), FR(4), SL(7), SR(8)
* 6 -> FL(3), FR(4), SL(7), SR(8), C(6), LFE(9) (required)
* FL(3), FR(4), C(6), SL(7), SR(8), LFE(9) (actual)
* This requires an ALSA configuration file to correct.
*/
static unsigned int channel_list[] = { 2, 4, 6 };
static int
aaci_rule_channels(struct snd_pcm_hw_params *p, struct snd_pcm_hw_rule *rule)
{
struct aaci *aaci = rule->private;
unsigned int chan_mask = 1 << 0, slots;
/*
* pcms[0] is the our 5.1 PCM instance.
*/
slots = aaci->ac97_bus->pcms[0].r[0].slots;
if (slots & (1 << AC97_SLOT_PCM_SLEFT)) {
chan_mask |= 1 << 1;
if (slots & (1 << AC97_SLOT_LFE))
chan_mask |= 1 << 2;
}
return snd_interval_list(hw_param_interval(p, rule->var),
ARRAY_SIZE(channel_list), channel_list,
chan_mask);
}
static int aaci_pcm_open(struct snd_pcm_substream *substream)
{
struct aaci *aaci = substream->private_data;
int ret;
/*
* Add rule describing channel dependency.
*/
ret = snd_pcm_hw_rule_add(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_CHANNELS,
aaci_rule_channels, aaci,
SNDRV_PCM_HW_PARAM_CHANNELS, -1);
if (ret)
return ret;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ret = __aaci_pcm_open(aaci, substream, &aaci->playback);
} else {
ret = __aaci_pcm_open(aaci, substream, &aaci->capture);
}
return ret;
}
static int aaci_pcm_playback_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct aaci_runtime *aacirun = substream->runtime->private_data;
unsigned int channels = params_channels(params);
int ret;
WARN_ON(channels >= ARRAY_SIZE(channels_to_txmask) ||
!channels_to_txmask[channels]);
ret = aaci_pcm_hw_params(substream, aacirun, params);
/*
* Enable FIFO, compact mode, 16 bits per sample.
* FIXME: double rate slots?
*/
if (ret >= 0)
aacirun->cr |= channels_to_txmask[channels];
return ret;
}
static void aaci_pcm_playback_stop(struct aaci_runtime *aacirun)
{
u32 ie;
@@ -657,27 +639,13 @@ static struct snd_pcm_ops aaci_playback_ops = {
.open = aaci_pcm_open,
.close = aaci_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = aaci_pcm_playback_hw_params,
.hw_params = aaci_pcm_hw_params,
.hw_free = aaci_pcm_hw_free,
.prepare = aaci_pcm_prepare,
.trigger = aaci_pcm_playback_trigger,
.pointer = aaci_pcm_pointer,
};
static int aaci_pcm_capture_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct aaci_runtime *aacirun = substream->runtime->private_data;
int ret;
ret = aaci_pcm_hw_params(substream, aacirun, params);
if (ret >= 0)
/* Line in record: slot 3 and 4 */
aacirun->cr |= CR_SL3 | CR_SL4;
return ret;
}
static void aaci_pcm_capture_stop(struct aaci_runtime *aacirun)
{
u32 ie;
@@ -774,7 +742,7 @@ static struct snd_pcm_ops aaci_capture_ops = {
.open = aaci_pcm_open,
.close = aaci_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = aaci_pcm_capture_hw_params,
.hw_params = aaci_pcm_hw_params,
.hw_free = aaci_pcm_hw_free,
.prepare = aaci_pcm_capture_prepare,
.trigger = aaci_pcm_capture_trigger,
@@ -941,12 +909,13 @@ static struct aaci * __devinit aaci_init_card(struct amba_device *dev)
strlcpy(card->driver, DRIVER_NAME, sizeof(card->driver));
strlcpy(card->shortname, "ARM AC'97 Interface", sizeof(card->shortname));
snprintf(card->longname, sizeof(card->longname),
"%s at 0x%016llx, irq %d",
card->shortname, (unsigned long long)dev->res.start,
dev->irq[0]);
"%s PL%03x rev%u at 0x%08llx, irq %d",
card->shortname, amba_part(dev), amba_rev(dev),
(unsigned long long)dev->res.start, dev->irq[0]);
aaci = card->private_data;
mutex_init(&aaci->ac97_sem);
mutex_init(&aaci->irq_lock);
aaci->card = card;
aaci->dev = dev;
@@ -984,6 +953,10 @@ static unsigned int __devinit aaci_size_fifo(struct aaci *aaci)
struct aaci_runtime *aacirun = &aaci->playback;
int i;
/*
* Enable the channel, but don't assign it to any slots, so
* it won't empty onto the AC'97 link.
*/
writel(CR_FEN | CR_SZ16 | CR_EN, aacirun->base + AACI_TXCR);
for (i = 0; !(readl(aacirun->base + AACI_SR) & SR_TXFF) && i < 4096; i++)
@@ -1002,7 +975,7 @@ static unsigned int __devinit aaci_size_fifo(struct aaci *aaci)
writel(aaci->maincr, aaci->base + AACI_MAINCR);
/*
* If we hit 4096, we failed. Go back to the specified
* If we hit 4096 entries, we failed. Go back to the specified
* fifo depth.
*/
if (i == 4096)
@@ -1011,7 +984,8 @@ static unsigned int __devinit aaci_size_fifo(struct aaci *aaci)
return i;
}
static int __devinit aaci_probe(struct amba_device *dev, struct amba_id *id)
static int __devinit aaci_probe(struct amba_device *dev,
const struct amba_id *id)
{
struct aaci *aaci;
int ret, i;
@@ -1067,11 +1041,12 @@ static int __devinit aaci_probe(struct amba_device *dev, struct amba_id *id)
/*
* Size the FIFOs (must be multiple of 16).
* This is the number of entries in the FIFO.
*/
aaci->fifosize = aaci_size_fifo(aaci);
if (aaci->fifosize & 15) {
printk(KERN_WARNING "AACI: fifosize = %d not supported\n",
aaci->fifosize);
aaci->fifo_depth = aaci_size_fifo(aaci);
if (aaci->fifo_depth & 15) {
printk(KERN_WARNING "AACI: FIFO depth %d not supported\n",
aaci->fifo_depth);
ret = -ENODEV;
goto out;
}
@@ -1084,8 +1059,8 @@ static int __devinit aaci_probe(struct amba_device *dev, struct amba_id *id)
ret = snd_card_register(aaci->card);
if (ret == 0) {
dev_info(&dev->dev, "%s, fifo %d\n", aaci->card->longname,
aaci->fifosize);
dev_info(&dev->dev, "%s\n", aaci->card->longname);
dev_info(&dev->dev, "FIFO %u entries\n", aaci->fifo_depth);
amba_set_drvdata(dev, aaci->card);
return ret;
}

Parādīt failu

@@ -210,6 +210,8 @@ struct aaci_runtime {
u32 cr;
struct snd_pcm_substream *substream;
unsigned int period; /* byte size of a "period" */
/*
* PIO support
*/
@@ -217,15 +219,16 @@ struct aaci_runtime {
void *end;
void *ptr;
int bytes;
unsigned int period;
unsigned int fifosz;
unsigned int fifo_bytes;
};
struct aaci {
struct amba_device *dev;
struct snd_card *card;
void __iomem *base;
unsigned int fifosize;
unsigned int fifo_depth;
unsigned int users;
struct mutex irq_lock;
/* AC'97 */
struct mutex ac97_sem;