[media] rename most media/video pci drivers to media/pci

Rename all PCI drivers with their own directory under
drivers/media/video into drivers/media/pci and update the
building system.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 1209 deletions

diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c
deleted file mode 100644
index 10460fd3ce39..000000000000
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ /dev/null
@@ -1,1209 +0,0 @@
-/*
- *   SAA713x ALSA support for V4L
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation, version 2
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
- */
-
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/time.h>
-#include <linux/wait.h>
-#include <linux/module.h>
-#include <sound/core.h>
-#include <sound/control.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
-#include <linux/interrupt.h>
-
-#include "saa7134.h"
-#include "saa7134-reg.h"
-
-static unsigned int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug,"enable debug messages [alsa]");
-
-/*
- * Configuration macros
- */
-
-/* defaults */
-#define MIXER_ADDR_UNSELECTED	-1
-#define MIXER_ADDR_TVTUNER	0
-#define MIXER_ADDR_LINE1	1
-#define MIXER_ADDR_LINE2	2
-#define MIXER_ADDR_LAST		2
-
-
-static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
-static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
-static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1};
-
-module_param_array(index, int, NULL, 0444);
-module_param_array(enable, int, NULL, 0444);
-MODULE_PARM_DESC(index, "Index value for SAA7134 capture interface(s).");
-MODULE_PARM_DESC(enable, "Enable (or not) the SAA7134 capture interface(s).");
-
-#define dprintk(fmt, arg...)    if (debug) \
-	printk(KERN_DEBUG "%s/alsa: " fmt, dev->name , ##arg)
-
-
-
-/*
- * Main chip structure
- */
-
-typedef struct snd_card_saa7134 {
-	struct snd_card *card;
-	spinlock_t mixer_lock;
-	int mixer_volume[MIXER_ADDR_LAST+1][2];
-	int capture_source_addr;
-	int capture_source[2];
-	struct snd_kcontrol *capture_ctl[MIXER_ADDR_LAST+1];
-	struct pci_dev *pci;
-	struct saa7134_dev *dev;
-
-	unsigned long iobase;
-	s16 irq;
-	u16 mute_was_on;
-
-	spinlock_t lock;
-} snd_card_saa7134_t;
-
-
-/*
- * PCM structure
- */
-
-typedef struct snd_card_saa7134_pcm {
-	struct saa7134_dev *dev;
-
-	spinlock_t lock;
-
-	struct snd_pcm_substream *substream;
-} snd_card_saa7134_pcm_t;
-
-static struct snd_card *snd_saa7134_cards[SNDRV_CARDS];
-
-
-/*
- * saa7134 DMA audio stop
- *
- *   Called when the capture device is released or the buffer overflows
- *
- *   - Copied verbatim from saa7134-oss's dsp_dma_stop.
- *
- */
-
-static void saa7134_dma_stop(struct saa7134_dev *dev)
-{
-	dev->dmasound.dma_blk     = -1;
-	dev->dmasound.dma_running = 0;
-	saa7134_set_dmabits(dev);
-}
-
-/*
- * saa7134 DMA audio start
- *
- *   Called when preparing the capture device for use
- *
- *   - Copied verbatim from saa7134-oss's dsp_dma_start.
- *
- */
-
-static void saa7134_dma_start(struct saa7134_dev *dev)
-{
-	dev->dmasound.dma_blk     = 0;
-	dev->dmasound.dma_running = 1;
-	saa7134_set_dmabits(dev);
-}
-
-/*
- * saa7134 audio DMA IRQ handler
- *
- *   Called whenever we get an SAA7134_IRQ_REPORT_DONE_RA3 interrupt
- *   Handles shifting between the 2 buffers, manages the read counters,
- *  and notifies ALSA when periods elapse
- *
- *   - Mostly copied from saa7134-oss's saa7134_irq_oss_done.
- *
- */
-
-static void saa7134_irq_alsa_done(struct saa7134_dev *dev,
-				  unsigned long status)
-{
-	int next_blk, reg = 0;
-
-	spin_lock(&dev->slock);
-	if (UNSET == dev->dmasound.dma_blk) {
-		dprintk("irq: recording stopped\n");
-		goto done;
-	}
-	if (0 != (status & 0x0f000000))
-		dprintk("irq: lost %ld\n", (status >> 24) & 0x0f);
-	if (0 == (status & 0x10000000)) {
-		/* odd */
-		if (0 == (dev->dmasound.dma_blk & 0x01))
-			reg = SAA7134_RS_BA1(6);
-	} else {
-		/* even */
-		if (1 == (dev->dmasound.dma_blk & 0x01))
-			reg = SAA7134_RS_BA2(6);
-	}
-	if (0 == reg) {
-		dprintk("irq: field oops [%s]\n",
-			(status & 0x10000000) ? "even" : "odd");
-		goto done;
-	}
-
-	if (dev->dmasound.read_count >= dev->dmasound.blksize * (dev->dmasound.blocks-2)) {
-		dprintk("irq: overrun [full=%d/%d] - Blocks in %d\n",dev->dmasound.read_count,
-			dev->dmasound.bufsize, dev->dmasound.blocks);
-		spin_unlock(&dev->slock);
-		snd_pcm_stop(dev->dmasound.substream,SNDRV_PCM_STATE_XRUN);
-		return;
-	}
-
-	/* next block addr */
-	next_blk = (dev->dmasound.dma_blk + 2) % dev->dmasound.blocks;
-	saa_writel(reg,next_blk * dev->dmasound.blksize);
-	if (debug > 2)
-		dprintk("irq: ok, %s, next_blk=%d, addr=%x, blocks=%u, size=%u, read=%u\n",
-			(status & 0x10000000) ? "even" : "odd ", next_blk,
-			next_blk * dev->dmasound.blksize, dev->dmasound.blocks, dev->dmasound.blksize, dev->dmasound.read_count);
-
-	/* update status & wake waiting readers */
-	dev->dmasound.dma_blk = (dev->dmasound.dma_blk + 1) % dev->dmasound.blocks;
-	dev->dmasound.read_count += dev->dmasound.blksize;
-
-	dev->dmasound.recording_on = reg;
-
-	if (dev->dmasound.read_count >= snd_pcm_lib_period_bytes(dev->dmasound.substream)) {
-		spin_unlock(&dev->slock);
-		snd_pcm_period_elapsed(dev->dmasound.substream);
-		spin_lock(&dev->slock);
-	}
-
- done:
-	spin_unlock(&dev->slock);
-
-}
-
-/*
- * IRQ request handler
- *
- *   Runs along with saa7134's IRQ handler, discards anything that isn't
- *   DMA sound
- *
- */
-
-static irqreturn_t saa7134_alsa_irq(int irq, void *dev_id)
-{
-	struct saa7134_dmasound *dmasound = dev_id;
-	struct saa7134_dev *dev = dmasound->priv_data;
-
-	unsigned long report, status;
-	int loop, handled = 0;
-
-	for (loop = 0; loop < 10; loop++) {
-		report = saa_readl(SAA7134_IRQ_REPORT);
-		status = saa_readl(SAA7134_IRQ_STATUS);
-
-		if (report & SAA7134_IRQ_REPORT_DONE_RA3) {
-			handled = 1;
-			saa_writel(SAA7134_IRQ_REPORT,
-				   SAA7134_IRQ_REPORT_DONE_RA3);
-			saa7134_irq_alsa_done(dev, status);
-		} else {
-			goto out;
-		}
-	}
-
-	if (loop == 10) {
-		dprintk("error! looping IRQ!");
-	}
-
-out:
-	return IRQ_RETVAL(handled);
-}
-
-/*
- * ALSA capture trigger
- *
- *   - One of the ALSA capture callbacks.
- *
- *   Called whenever a capture is started or stopped. Must be defined,
- *   but there's nothing we want to do here
- *
- */
-
-static int snd_card_saa7134_capture_trigger(struct snd_pcm_substream * substream,
-					  int cmd)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	snd_card_saa7134_pcm_t *pcm = runtime->private_data;
-	struct saa7134_dev *dev=pcm->dev;
-	int err = 0;
-
-	spin_lock(&dev->slock);
-	if (cmd == SNDRV_PCM_TRIGGER_START) {
-		/* start dma */
-		saa7134_dma_start(dev);
-	} else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
-		/* stop dma */
-		saa7134_dma_stop(dev);
-	} else {
-		err = -EINVAL;
-	}
-	spin_unlock(&dev->slock);
-
-	return err;
-}
-
-/*
- * DMA buffer initialization
- *
- *   Uses V4L functions to initialize the DMA. Shouldn't be necessary in
- *  ALSA, but I was unable to use ALSA's own DMA, and had to force the
- *  usage of V4L's
- *
- *   - Copied verbatim from saa7134-oss.
- *
- */
-
-static int dsp_buffer_init(struct saa7134_dev *dev)
-{
-	int err;
-
-	BUG_ON(!dev->dmasound.bufsize);
-
-	videobuf_dma_init(&dev->dmasound.dma);
-	err = videobuf_dma_init_kernel(&dev->dmasound.dma, PCI_DMA_FROMDEVICE,
-				       (dev->dmasound.bufsize + PAGE_SIZE) >> PAGE_SHIFT);
-	if (0 != err)
-		return err;
-	return 0;
-}
-
-/*
- * DMA buffer release
- *
- *   Called after closing the device, during snd_card_saa7134_capture_close
- *
- */
-
-static int dsp_buffer_free(struct saa7134_dev *dev)
-{
-	BUG_ON(!dev->dmasound.blksize);
-
-	videobuf_dma_free(&dev->dmasound.dma);
-
-	dev->dmasound.blocks  = 0;
-	dev->dmasound.blksize = 0;
-	dev->dmasound.bufsize = 0;
-
-	return 0;
-}
-
-/*
- * Setting the capture source and updating the ALSA controls
- */
-static int snd_saa7134_capsrc_set(struct snd_kcontrol *kcontrol,
-				  int left, int right, bool force_notify)
-{
-	snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol);
-	int change = 0, addr = kcontrol->private_value;
-	int active, old_addr;
-	u32 anabar, xbarin;
-	int analog_io, rate;
-	struct saa7134_dev *dev;
-
-	dev = chip->dev;
-
-	spin_lock_irq(&chip->mixer_lock);
-
-	active = left != 0 || right != 0;
-	old_addr = chip->capture_source_addr;
-
-	/* The active capture source cannot be deactivated */
-	if (active) {
-		change = old_addr != addr ||
-			 chip->capture_source[0] != left ||
-			 chip->capture_source[1] != right;
-
-		chip->capture_source[0] = left;
-		chip->capture_source[1] = right;
-		chip->capture_source_addr = addr;
-		dev->dmasound.input = addr;
-	}
-	spin_unlock_irq(&chip->mixer_lock);
-
-	if (change) {
-		switch (dev->pci->device) {
-
-		case PCI_DEVICE_ID_PHILIPS_SAA7134:
-			switch (addr) {
-			case MIXER_ADDR_TVTUNER:
-				saa_andorb(SAA7134_AUDIO_FORMAT_CTRL,
-					   0xc0, 0xc0);
-				saa_andorb(SAA7134_SIF_SAMPLE_FREQ,
-					   0x03, 0x00);
-				break;
-			case MIXER_ADDR_LINE1:
-			case MIXER_ADDR_LINE2:
-				analog_io = (MIXER_ADDR_LINE1 == addr) ?
-					     0x00 : 0x08;
-				rate = (32000 == dev->dmasound.rate) ?
-					0x01 : 0x03;
-				saa_andorb(SAA7134_ANALOG_IO_SELECT,
-					   0x08, analog_io);
-				saa_andorb(SAA7134_AUDIO_FORMAT_CTRL,
-					   0xc0, 0x80);
-				saa_andorb(SAA7134_SIF_SAMPLE_FREQ,
-					   0x03, rate);
-				break;
-			}
-
-			break;
-		case PCI_DEVICE_ID_PHILIPS_SAA7133:
-		case PCI_DEVICE_ID_PHILIPS_SAA7135:
-			xbarin = 0x03; /* adc */
-			anabar = 0;
-			switch (addr) {
-			case MIXER_ADDR_TVTUNER:
-				xbarin = 0; /* Demodulator */
-				anabar = 2; /* DACs */
-				break;
-			case MIXER_ADDR_LINE1:
-				anabar = 0;  /* aux1, aux1 */
-				break;
-			case MIXER_ADDR_LINE2:
-				anabar = 9;  /* aux2, aux2 */
-				break;
-			}
-
-			/* output xbar always main channel */
-			saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL1,
-				       0xbbbb10);
-
-			if (left || right) {
-				/* We've got data, turn the input on */
-				saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1,
-					       xbarin);
-				saa_writel(SAA7133_ANALOG_IO_SELECT, anabar);
-			} else {
-				saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1,
-					       0);
-				saa_writel(SAA7133_ANALOG_IO_SELECT, 0);
-			}
-			break;
-		}
-	}
-
-	if (change) {
-		if (force_notify)
-			snd_ctl_notify(chip->card,
-				       SNDRV_CTL_EVENT_MASK_VALUE,
-				       &chip->capture_ctl[addr]->id);
-
-		if (old_addr != MIXER_ADDR_UNSELECTED && old_addr != addr)
-			snd_ctl_notify(chip->card,
-				       SNDRV_CTL_EVENT_MASK_VALUE,
-				       &chip->capture_ctl[old_addr]->id);
-	}
-
-	return change;
-}
-
-/*
- * ALSA PCM preparation
- *
- *   - One of the ALSA capture callbacks.
- *
- *   Called right after the capture device is opened, this function configures
- *  the buffer using the previously defined functions, allocates the memory,
- *  sets up the hardware registers, and then starts the DMA. When this function
- *  returns, the audio should be flowing.
- *
- */
-
-static int snd_card_saa7134_capture_prepare(struct snd_pcm_substream * substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	int bswap, sign;
-	u32 fmt, control;
-	snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream);
-	struct saa7134_dev *dev;
-	snd_card_saa7134_pcm_t *pcm = runtime->private_data;
-
-	pcm->dev->dmasound.substream = substream;
-
-	dev = saa7134->dev;
-
-	if (snd_pcm_format_width(runtime->format) == 8)
-		fmt = 0x00;
-	else
-		fmt = 0x01;
-
-	if (snd_pcm_format_signed(runtime->format))
-		sign = 1;
-	else
-		sign = 0;
-
-	if (snd_pcm_format_big_endian(runtime->format))
-		bswap = 1;
-	else
-		bswap = 0;
-
-	switch (dev->pci->device) {
-	  case PCI_DEVICE_ID_PHILIPS_SAA7134:
-		if (1 == runtime->channels)
-			fmt |= (1 << 3);
-		if (2 == runtime->channels)
-			fmt |= (3 << 3);
-		if (sign)
-			fmt |= 0x04;
-
-		fmt |= (MIXER_ADDR_TVTUNER == dev->dmasound.input) ? 0xc0 : 0x80;
-		saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->dmasound.blksize - 1) & 0x0000ff));
-		saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->dmasound.blksize - 1) & 0x00ff00) >>  8);
-		saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->dmasound.blksize - 1) & 0xff0000) >> 16);
-		saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt);
-
-		break;
-	  case PCI_DEVICE_ID_PHILIPS_SAA7133:
-	  case PCI_DEVICE_ID_PHILIPS_SAA7135:
-		if (1 == runtime->channels)
-			fmt |= (1 << 4);
-		if (2 == runtime->channels)
-			fmt |= (2 << 4);
-		if (!sign)
-			fmt |= 0x04;
-		saa_writel(SAA7133_NUM_SAMPLES, dev->dmasound.blksize -1);
-		saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210 | (fmt << 24));
-		break;
-	}
-
-	dprintk("rec_start: afmt=%d ch=%d  =>  fmt=0x%x swap=%c\n",
-		runtime->format, runtime->channels, fmt,
-		bswap ? 'b' : '-');
-	/* dma: setup channel 6 (= AUDIO) */
-	control = SAA7134_RS_CONTROL_BURST_16 |
-		SAA7134_RS_CONTROL_ME |
-		(dev->dmasound.pt.dma >> 12);
-	if (bswap)
-		control |= SAA7134_RS_CONTROL_BSWAP;
-
-	saa_writel(SAA7134_RS_BA1(6),0);
-	saa_writel(SAA7134_RS_BA2(6),dev->dmasound.blksize);
-	saa_writel(SAA7134_RS_PITCH(6),0);
-	saa_writel(SAA7134_RS_CONTROL(6),control);
-
-	dev->dmasound.rate = runtime->rate;
-
-	/* Setup and update the card/ALSA controls */
-	snd_saa7134_capsrc_set(saa7134->capture_ctl[dev->dmasound.input], 1, 1,
-			       true);
-
-	return 0;
-
-}
-
-/*
- * ALSA pointer fetching
- *
- *   - One of the ALSA capture callbacks.
- *
- *   Called whenever a period elapses, it must return the current hardware
- *  position of the buffer.
- *   Also resets the read counter used to prevent overruns
- *
- */
-
-static snd_pcm_uframes_t
-snd_card_saa7134_capture_pointer(struct snd_pcm_substream * substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	snd_card_saa7134_pcm_t *pcm = runtime->private_data;
-	struct saa7134_dev *dev=pcm->dev;
-
-	if (dev->dmasound.read_count) {
-		dev->dmasound.read_count  -= snd_pcm_lib_period_bytes(substream);
-		dev->dmasound.read_offset += snd_pcm_lib_period_bytes(substream);
-		if (dev->dmasound.read_offset == dev->dmasound.bufsize)
-			dev->dmasound.read_offset = 0;
-	}
-
-	return bytes_to_frames(runtime, dev->dmasound.read_offset);
-}
-
-/*
- * ALSA hardware capabilities definition
- *
- *  Report only 32kHz for ALSA:
- *
- *  - SAA7133/35 uses DDEP (DemDec Easy Programming mode), which works in 32kHz
- *    only
- *  - SAA7134 for TV mode uses DemDec mode (32kHz)
- *  - Radio works in 32kHz only
- *  - When recording 48kHz from Line1/Line2, switching of capture source to TV
- *    means
- *    switching to 32kHz without any frequency translation
- */
-
-static struct snd_pcm_hardware snd_card_saa7134_capture =
-{
-	.info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
-				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
-				 SNDRV_PCM_INFO_MMAP_VALID),
-	.formats =		SNDRV_PCM_FMTBIT_S16_LE | \
-				SNDRV_PCM_FMTBIT_S16_BE | \
-				SNDRV_PCM_FMTBIT_S8 | \
-				SNDRV_PCM_FMTBIT_U8 | \
-				SNDRV_PCM_FMTBIT_U16_LE | \
-				SNDRV_PCM_FMTBIT_U16_BE,
-	.rates =		SNDRV_PCM_RATE_32000,
-	.rate_min =		32000,
-	.rate_max =		32000,
-	.channels_min =		1,
-	.channels_max =		2,
-	.buffer_bytes_max =	(256*1024),
-	.period_bytes_min =	64,
-	.period_bytes_max =	(256*1024),
-	.periods_min =		4,
-	.periods_max =		1024,
-};
-
-static void snd_card_saa7134_runtime_free(struct snd_pcm_runtime *runtime)
-{
-	snd_card_saa7134_pcm_t *pcm = runtime->private_data;
-
-	kfree(pcm);
-}
-
-
-/*
- * ALSA hardware params
- *
- *   - One of the ALSA capture callbacks.
- *
- *   Called on initialization, right before the PCM preparation
- *
- */
-
-static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream,
-				      struct snd_pcm_hw_params * hw_params)
-{
-	snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream);
-	struct saa7134_dev *dev;
-	unsigned int period_size, periods;
-	int err;
-
-	period_size = params_period_bytes(hw_params);
-	periods = params_periods(hw_params);
-
-	if (period_size < 0x100 || period_size > 0x10000)
-		return -EINVAL;
-	if (periods < 4)
-		return -EINVAL;
-	if (period_size * periods > 1024 * 1024)
-		return -EINVAL;
-
-	dev = saa7134->dev;
-
-	if (dev->dmasound.blocks == periods &&
-	    dev->dmasound.blksize == period_size)
-		return 0;
-
-	/* release the old buffer */
-	if (substream->runtime->dma_area) {
-		saa7134_pgtable_free(dev->pci, &dev->dmasound.pt);
-		videobuf_dma_unmap(&dev->pci->dev, &dev->dmasound.dma);
-		dsp_buffer_free(dev);
-		substream->runtime->dma_area = NULL;
-	}
-	dev->dmasound.blocks  = periods;
-	dev->dmasound.blksize = period_size;
-	dev->dmasound.bufsize = period_size * periods;
-
-	err = dsp_buffer_init(dev);
-	if (0 != err) {
-		dev->dmasound.blocks  = 0;
-		dev->dmasound.blksize = 0;
-		dev->dmasound.bufsize = 0;
-		return err;
-	}
-
-	if (0 != (err = videobuf_dma_map(&dev->pci->dev, &dev->dmasound.dma))) {
-		dsp_buffer_free(dev);
-		return err;
-	}
-	if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->dmasound.pt))) {
-		videobuf_dma_unmap(&dev->pci->dev, &dev->dmasound.dma);
-		dsp_buffer_free(dev);
-		return err;
-	}
-	if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->dmasound.pt,
-						dev->dmasound.dma.sglist,
-						dev->dmasound.dma.sglen,
-						0))) {
-		saa7134_pgtable_free(dev->pci, &dev->dmasound.pt);
-		videobuf_dma_unmap(&dev->pci->dev, &dev->dmasound.dma);
-		dsp_buffer_free(dev);
-		return err;
-	}
-
-	/* I should be able to use runtime->dma_addr in the control
-	   byte, but it doesn't work. So I allocate the DMA using the
-	   V4L functions, and force ALSA to use that as the DMA area */
-
-	substream->runtime->dma_area = dev->dmasound.dma.vaddr;
-	substream->runtime->dma_bytes = dev->dmasound.bufsize;
-	substream->runtime->dma_addr = 0;
-
-	return 0;
-
-}
-
-/*
- * ALSA hardware release
- *
- *   - One of the ALSA capture callbacks.
- *
- *   Called after closing the device, but before snd_card_saa7134_capture_close
- *   It stops the DMA audio and releases the buffers.
- *
- */
-
-static int snd_card_saa7134_hw_free(struct snd_pcm_substream * substream)
-{
-	snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream);
-	struct saa7134_dev *dev;
-
-	dev = saa7134->dev;
-
-	if (substream->runtime->dma_area) {
-		saa7134_pgtable_free(dev->pci, &dev->dmasound.pt);
-		videobuf_dma_unmap(&dev->pci->dev, &dev->dmasound.dma);
-		dsp_buffer_free(dev);
-		substream->runtime->dma_area = NULL;
-	}
-
-	return 0;
-}
-
-/*
- * ALSA capture finish
- *
- *   - One of the ALSA capture callbacks.
- *
- *   Called after closing the device.
- *
- */
-
-static int snd_card_saa7134_capture_close(struct snd_pcm_substream * substream)
-{
-	snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream);
-	struct saa7134_dev *dev = saa7134->dev;
-
-	if (saa7134->mute_was_on) {
-		dev->ctl_mute = 1;
-		saa7134_tvaudio_setmute(dev);
-	}
-	return 0;
-}
-
-/*
- * ALSA capture start
- *
- *   - One of the ALSA capture callbacks.
- *
- *   Called when opening the device. It creates and populates the PCM
- *  structure
- *
- */
-
-static int snd_card_saa7134_capture_open(struct snd_pcm_substream * substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	snd_card_saa7134_pcm_t *pcm;
-	snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream);
-	struct saa7134_dev *dev;
-	int amux, err;
-
-	if (!saa7134) {
-		printk(KERN_ERR "BUG: saa7134 can't find device struct."
-				" Can't proceed with open\n");
-		return -ENODEV;
-	}
-	dev = saa7134->dev;
-	mutex_lock(&dev->dmasound.lock);
-
-	dev->dmasound.read_count  = 0;
-	dev->dmasound.read_offset = 0;
-
-	amux = dev->input->amux;
-	if ((amux < 1) || (amux > 3))
-		amux = 1;
-	dev->dmasound.input  =  amux - 1;
-
-	mutex_unlock(&dev->dmasound.lock);
-
-	pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
-	if (pcm == NULL)
-		return -ENOMEM;
-
-	pcm->dev=saa7134->dev;
-
-	spin_lock_init(&pcm->lock);
-
-	pcm->substream = substream;
-	runtime->private_data = pcm;
-	runtime->private_free = snd_card_saa7134_runtime_free;
-	runtime->hw = snd_card_saa7134_capture;
-
-	if (dev->ctl_mute != 0) {
-		saa7134->mute_was_on = 1;
-		dev->ctl_mute = 0;
-		saa7134_tvaudio_setmute(dev);
-	}
-
-	err = snd_pcm_hw_constraint_integer(runtime,
-						SNDRV_PCM_HW_PARAM_PERIODS);
-	if (err < 0)
-		return err;
-
-	err = snd_pcm_hw_constraint_step(runtime, 0,
-						SNDRV_PCM_HW_PARAM_PERIODS, 2);
-	if (err < 0)
-		return err;
-
-	return 0;
-}
-
-/*
- * page callback (needed for mmap)
- */
-
-static struct page *snd_card_saa7134_page(struct snd_pcm_substream *substream,
-					unsigned long offset)
-{
-	void *pageptr = substream->runtime->dma_area + offset;
-	return vmalloc_to_page(pageptr);
-}
-
-/*
- * ALSA capture callbacks definition
- */
-
-static struct snd_pcm_ops snd_card_saa7134_capture_ops = {
-	.open =			snd_card_saa7134_capture_open,
-	.close =		snd_card_saa7134_capture_close,
-	.ioctl =		snd_pcm_lib_ioctl,
-	.hw_params =		snd_card_saa7134_hw_params,
-	.hw_free =		snd_card_saa7134_hw_free,
-	.prepare =		snd_card_saa7134_capture_prepare,
-	.trigger =		snd_card_saa7134_capture_trigger,
-	.pointer =		snd_card_saa7134_capture_pointer,
-	.page =			snd_card_saa7134_page,
-};
-
-/*
- * ALSA PCM setup
- *
- *   Called when initializing the board. Sets up the name and hooks up
- *  the callbacks
- *
- */
-
-static int snd_card_saa7134_pcm(snd_card_saa7134_t *saa7134, int device)
-{
-	struct snd_pcm *pcm;
-	int err;
-
-	if ((err = snd_pcm_new(saa7134->card, "SAA7134 PCM", device, 0, 1, &pcm)) < 0)
-		return err;
-	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_saa7134_capture_ops);
-	pcm->private_data = saa7134;
-	pcm->info_flags = 0;
-	strcpy(pcm->name, "SAA7134 PCM");
-	return 0;
-}
-
-#define SAA713x_VOLUME(xname, xindex, addr) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
-  .info = snd_saa7134_volume_info, \
-  .get = snd_saa7134_volume_get, .put = snd_saa7134_volume_put, \
-  .private_value = addr }
-
-static int snd_saa7134_volume_info(struct snd_kcontrol * kcontrol,
-				   struct snd_ctl_elem_info * uinfo)
-{
-	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-	uinfo->count = 2;
-	uinfo->value.integer.min = 0;
-	uinfo->value.integer.max = 20;
-	return 0;
-}
-
-static int snd_saa7134_volume_get(struct snd_kcontrol * kcontrol,
-				  struct snd_ctl_elem_value * ucontrol)
-{
-	snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol);
-	int addr = kcontrol->private_value;
-
-	ucontrol->value.integer.value[0] = chip->mixer_volume[addr][0];
-	ucontrol->value.integer.value[1] = chip->mixer_volume[addr][1];
-	return 0;
-}
-
-static int snd_saa7134_volume_put(struct snd_kcontrol * kcontrol,
-				  struct snd_ctl_elem_value * ucontrol)
-{
-	snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol);
-	struct saa7134_dev *dev = chip->dev;
-
-	int change, addr = kcontrol->private_value;
-	int left, right;
-
-	left = ucontrol->value.integer.value[0];
-	if (left < 0)
-		left = 0;
-	if (left > 20)
-		left = 20;
-	right = ucontrol->value.integer.value[1];
-	if (right < 0)
-		right = 0;
-	if (right > 20)
-		right = 20;
-	spin_lock_irq(&chip->mixer_lock);
-	change = 0;
-	if (chip->mixer_volume[addr][0] != left) {
-		change = 1;
-		right = left;
-	}
-	if (chip->mixer_volume[addr][1] != right) {
-		change = 1;
-		left = right;
-	}
-	if (change) {
-		switch (dev->pci->device) {
-			case PCI_DEVICE_ID_PHILIPS_SAA7134:
-				switch (addr) {
-					case MIXER_ADDR_TVTUNER:
-						left = 20;
-						break;
-					case MIXER_ADDR_LINE1:
-						saa_andorb(SAA7134_ANALOG_IO_SELECT,  0x10,
-							   (left > 10) ? 0x00 : 0x10);
-						break;
-					case MIXER_ADDR_LINE2:
-						saa_andorb(SAA7134_ANALOG_IO_SELECT,  0x20,
-							   (left > 10) ? 0x00 : 0x20);
-						break;
-				}
-				break;
-			case PCI_DEVICE_ID_PHILIPS_SAA7133:
-			case PCI_DEVICE_ID_PHILIPS_SAA7135:
-				switch (addr) {
-					case MIXER_ADDR_TVTUNER:
-						left = 20;
-						break;
-					case MIXER_ADDR_LINE1:
-						saa_andorb(0x0594,  0x10,
-							   (left > 10) ? 0x00 : 0x10);
-						break;
-					case MIXER_ADDR_LINE2:
-						saa_andorb(0x0594,  0x20,
-							   (left > 10) ? 0x00 : 0x20);
-						break;
-				}
-				break;
-		}
-		chip->mixer_volume[addr][0] = left;
-		chip->mixer_volume[addr][1] = right;
-	}
-	spin_unlock_irq(&chip->mixer_lock);
-	return change;
-}
-
-#define SAA713x_CAPSRC(xname, xindex, addr) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
-  .info = snd_saa7134_capsrc_info, \
-  .get = snd_saa7134_capsrc_get, .put = snd_saa7134_capsrc_put, \
-  .private_value = addr }
-
-static int snd_saa7134_capsrc_info(struct snd_kcontrol * kcontrol,
-				   struct snd_ctl_elem_info * uinfo)
-{
-	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-	uinfo->count = 2;
-	uinfo->value.integer.min = 0;
-	uinfo->value.integer.max = 1;
-	return 0;
-}
-
-static int snd_saa7134_capsrc_get(struct snd_kcontrol * kcontrol,
-				  struct snd_ctl_elem_value * ucontrol)
-{
-	snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol);
-	int addr = kcontrol->private_value;
-
-	spin_lock_irq(&chip->mixer_lock);
-	if (chip->capture_source_addr == addr) {
-		ucontrol->value.integer.value[0] = chip->capture_source[0];
-		ucontrol->value.integer.value[1] = chip->capture_source[1];
-	} else {
-		ucontrol->value.integer.value[0] = 0;
-		ucontrol->value.integer.value[1] = 0;
-	}
-	spin_unlock_irq(&chip->mixer_lock);
-
-	return 0;
-}
-
-static int snd_saa7134_capsrc_put(struct snd_kcontrol * kcontrol,
-				  struct snd_ctl_elem_value * ucontrol)
-{
-	int left, right;
-	left = ucontrol->value.integer.value[0] & 1;
-	right = ucontrol->value.integer.value[1] & 1;
-
-	return snd_saa7134_capsrc_set(kcontrol, left, right, false);
-}
-
-static struct snd_kcontrol_new snd_saa7134_volume_controls[] = {
-SAA713x_VOLUME("Video Volume", 0, MIXER_ADDR_TVTUNER),
-SAA713x_VOLUME("Line Volume", 1, MIXER_ADDR_LINE1),
-SAA713x_VOLUME("Line Volume", 2, MIXER_ADDR_LINE2),
-};
-
-static struct snd_kcontrol_new snd_saa7134_capture_controls[] = {
-SAA713x_CAPSRC("Video Capture Switch", 0, MIXER_ADDR_TVTUNER),
-SAA713x_CAPSRC("Line Capture Switch", 1, MIXER_ADDR_LINE1),
-SAA713x_CAPSRC("Line Capture Switch", 2, MIXER_ADDR_LINE2),
-};
-
-/*
- * ALSA mixer setup
- *
- *   Called when initializing the board. Sets up the name and hooks up
- *  the callbacks
- *
- */
-
-static int snd_card_saa7134_new_mixer(snd_card_saa7134_t * chip)
-{
-	struct snd_card *card = chip->card;
-	struct snd_kcontrol *kcontrol;
-	unsigned int idx;
-	int err, addr;
-
-	strcpy(card->mixername, "SAA7134 Mixer");
-
-	for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_volume_controls); idx++) {
-		kcontrol = snd_ctl_new1(&snd_saa7134_volume_controls[idx],
-					chip);
-		err = snd_ctl_add(card, kcontrol);
-		if (err < 0)
-			return err;
-	}
-
-	for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_capture_controls); idx++) {
-		kcontrol = snd_ctl_new1(&snd_saa7134_capture_controls[idx],
-					chip);
-		addr = snd_saa7134_capture_controls[idx].private_value;
-		chip->capture_ctl[addr] = kcontrol;
-		err = snd_ctl_add(card, kcontrol);
-		if (err < 0)
-			return err;
-	}
-
-	chip->capture_source_addr = MIXER_ADDR_UNSELECTED;
-	return 0;
-}
-
-static void snd_saa7134_free(struct snd_card * card)
-{
-	snd_card_saa7134_t *chip = card->private_data;
-
-	if (chip->dev->dmasound.priv_data == NULL)
-		return;
-
-	if (chip->irq >= 0)
-		free_irq(chip->irq, &chip->dev->dmasound);
-
-	chip->dev->dmasound.priv_data = NULL;
-
-}
-
-/*
- * ALSA initialization
- *
- *   Called by the init routine, once for each saa7134 device present,
- *  it creates the basic structures and registers the ALSA devices
- *
- */
-
-static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum)
-{
-
-	struct snd_card *card;
-	snd_card_saa7134_t *chip;
-	int err;
-
-
-	if (devnum >= SNDRV_CARDS)
-		return -ENODEV;
-	if (!enable[devnum])
-		return -ENODEV;
-
-	err = snd_card_create(index[devnum], id[devnum], THIS_MODULE,
-			      sizeof(snd_card_saa7134_t), &card);
-	if (err < 0)
-		return err;
-
-	strcpy(card->driver, "SAA7134");
-
-	/* Card "creation" */
-
-	card->private_free = snd_saa7134_free;
-	chip = card->private_data;
-
-	spin_lock_init(&chip->lock);
-	spin_lock_init(&chip->mixer_lock);
-
-	chip->dev = dev;
-
-	chip->card = card;
-
-	chip->pci = dev->pci;
-	chip->iobase = pci_resource_start(dev->pci, 0);
-
-
-	err = request_irq(dev->pci->irq, saa7134_alsa_irq,
-				IRQF_SHARED | IRQF_DISABLED, dev->name,
-				(void*) &dev->dmasound);
-
-	if (err < 0) {
-		printk(KERN_ERR "%s: can't get IRQ %d for ALSA\n",
-			dev->name, dev->pci->irq);
-		goto __nodev;
-	}
-
-	chip->irq = dev->pci->irq;
-
-	mutex_init(&dev->dmasound.lock);
-
-	if ((err = snd_card_saa7134_new_mixer(chip)) < 0)
-		goto __nodev;
-
-	if ((err = snd_card_saa7134_pcm(chip, 0)) < 0)
-		goto __nodev;
-
-	snd_card_set_dev(card, &chip->pci->dev);
-
-	/* End of "creation" */
-
-	strcpy(card->shortname, "SAA7134");
-	sprintf(card->longname, "%s at 0x%lx irq %d",
-		chip->dev->name, chip->iobase, chip->irq);
-
-	printk(KERN_INFO "%s/alsa: %s registered as card %d\n",dev->name,card->longname,index[devnum]);
-
-	if ((err = snd_card_register(card)) == 0) {
-		snd_saa7134_cards[devnum] = card;
-		return 0;
-	}
-
-__nodev:
-	snd_card_free(card);
-	return err;
-}
-
-
-static int alsa_device_init(struct saa7134_dev *dev)
-{
-	dev->dmasound.priv_data = dev;
-	alsa_card_saa7134_create(dev,dev->nr);
-	return 1;
-}
-
-static int alsa_device_exit(struct saa7134_dev *dev)
-{
-
-	snd_card_free(snd_saa7134_cards[dev->nr]);
-	snd_saa7134_cards[dev->nr] = NULL;
-	return 1;
-}
-
-/*
- * Module initializer
- *
- * Loops through present saa7134 cards, and assigns an ALSA device
- * to each one
- *
- */
-
-static int saa7134_alsa_init(void)
-{
-	struct saa7134_dev *dev = NULL;
-	struct list_head *list;
-
-	saa7134_dmasound_init = alsa_device_init;
-	saa7134_dmasound_exit = alsa_device_exit;
-
-	printk(KERN_INFO "saa7134 ALSA driver for DMA sound loaded\n");
-
-	list_for_each(list,&saa7134_devlist) {
-		dev = list_entry(list, struct saa7134_dev, devlist);
-		if (dev->pci->device == PCI_DEVICE_ID_PHILIPS_SAA7130)
-			printk(KERN_INFO "%s/alsa: %s doesn't support digital audio\n",
-				dev->name, saa7134_boards[dev->board].name);
-		else
-			alsa_device_init(dev);
-	}
-
-	if (dev == NULL)
-		printk(KERN_INFO "saa7134 ALSA: no saa7134 cards found\n");
-
-	return 0;
-
-}
-
-/*
- * Module destructor
- */
-
-static void saa7134_alsa_exit(void)
-{
-	int idx;
-
-	for (idx = 0; idx < SNDRV_CARDS; idx++) {
-		snd_card_free(snd_saa7134_cards[idx]);
-	}
-
-	saa7134_dmasound_init = NULL;
-	saa7134_dmasound_exit = NULL;
-	printk(KERN_INFO "saa7134 ALSA driver for DMA sound unloaded\n");
-
-	return;
-}
-
-/* We initialize this late, to make sure the sound system is up and running */
-late_initcall(saa7134_alsa_init);
-module_exit(saa7134_alsa_exit);
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Ricardo Cerqueira");