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path: root/drivers/media/video/saa7134/saa7134-core.c
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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-core.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-core.c120
1 files changed, 82 insertions, 38 deletions
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index e5e36f3c6250..19b88744fb31 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -57,6 +57,10 @@ static unsigned int oss = 0;
module_param(oss, int, 0444);
MODULE_PARM_DESC(oss,"register oss devices (default: no)");
+static unsigned int alsa = 0;
+module_param(alsa, int, 0444);
+MODULE_PARM_DESC(alsa,"register alsa devices (default: no)");
+
static unsigned int latency = UNSET;
module_param(latency, int, 0444);
MODULE_PARM_DESC(latency,"pci latency timer");
@@ -190,6 +194,7 @@ void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
static int need_empress;
static int need_dvb;
+static int need_alsa;
static int pending_call(struct notifier_block *self, unsigned long state,
void *module)
@@ -197,10 +202,12 @@ static int pending_call(struct notifier_block *self, unsigned long state,
if (module != THIS_MODULE || state != MODULE_STATE_LIVE)
return NOTIFY_DONE;
- if (need_empress)
- request_module("saa7134-empress");
- if (need_dvb)
- request_module("saa7134-dvb");
+ if (need_empress)
+ request_module("saa7134-empress");
+ if (need_dvb)
+ request_module("saa7134-dvb");
+ if (need_alsa)
+ request_module("saa7134-alsa");
return NOTIFY_DONE;
}
@@ -275,8 +282,8 @@ unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
{
- __le32 *cpu;
- dma_addr_t dma_addr;
+ __le32 *cpu;
+ dma_addr_t dma_addr;
cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
if (NULL == cpu)
@@ -436,7 +443,7 @@ int saa7134_set_dmabits(struct saa7134_dev *dev)
ctrl |= SAA7134_MAIN_CTRL_TE0;
irq |= SAA7134_IRQ1_INTE_RA0_1 |
SAA7134_IRQ1_INTE_RA0_0;
- cap = dev->video_q.curr->vb.field;
+ cap = dev->video_q.curr->vb.field;
}
/* video capture -- dma 1+2 (planar modes) */
@@ -465,7 +472,7 @@ int saa7134_set_dmabits(struct saa7134_dev *dev)
}
/* audio capture -- dma 3 */
- if (dev->oss.dma_running) {
+ if (dev->dmasound.dma_running) {
ctrl |= SAA7134_MAIN_CTRL_TE6;
irq |= SAA7134_IRQ1_INTE_RA3_1 |
SAA7134_IRQ1_INTE_RA3_0;
@@ -570,6 +577,17 @@ static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
dev->name);
goto out;
}
+
+ /* If alsa support is active and we get a sound report, exit
+ and let the saa7134-alsa module deal with it */
+
+ if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && alsa) {
+ if (irq_debug > 1)
+ printk(KERN_DEBUG "%s/irq: ignoring interrupt for ALSA\n",
+ dev->name);
+ goto out;
+ }
+
handled = 1;
saa_writel(SAA7134_IRQ_REPORT,report);
if (irq_debug)
@@ -591,13 +609,17 @@ static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
card_has_mpeg(dev))
saa7134_irq_ts_done(dev,status);
- if ((report & SAA7134_IRQ_REPORT_DONE_RA3))
- saa7134_irq_oss_done(dev,status);
+ if ((report & SAA7134_IRQ_REPORT_DONE_RA3)) {
+ if (oss) {
+ saa7134_irq_oss_done(dev,status);
+ }
+ }
if ((report & (SAA7134_IRQ_REPORT_GPIO16 |
SAA7134_IRQ_REPORT_GPIO18)) &&
dev->remote)
saa7134_input_irq(dev);
+
}
if (10 == loop) {
@@ -636,7 +658,7 @@ static int saa7134_hwinit1(struct saa7134_dev *dev)
saa_writel(SAA7134_IRQ1, 0);
saa_writel(SAA7134_IRQ2, 0);
- init_MUTEX(&dev->lock);
+ init_MUTEX(&dev->lock);
spin_lock_init(&dev->slock);
saa7134_track_gpio(dev,"pre-init");
@@ -646,14 +668,6 @@ static int saa7134_hwinit1(struct saa7134_dev *dev)
saa7134_ts_init1(dev);
saa7134_input_init1(dev);
- switch (dev->pci->device) {
- case PCI_DEVICE_ID_PHILIPS_SAA7134:
- case PCI_DEVICE_ID_PHILIPS_SAA7133:
- case PCI_DEVICE_ID_PHILIPS_SAA7135:
- saa7134_oss_init1(dev);
- break;
- }
-
/* RAM FIFO config */
saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
saa_writel(SAA7134_THRESHOULD,0x02020202);
@@ -668,6 +682,21 @@ static int saa7134_hwinit1(struct saa7134_dev *dev)
SAA7134_MAIN_CTRL_ESFE |
SAA7134_MAIN_CTRL_EBDAC);
+ /*
+ * Initialize OSS _after_ enabling audio clock PLL and audio processing.
+ * OSS initialization writes to registers via the audio DSP; these
+ * writes will fail unless the audio clock has been started. At worst,
+ * audio will not work.
+ */
+
+ switch (dev->pci->device) {
+ case PCI_DEVICE_ID_PHILIPS_SAA7134:
+ case PCI_DEVICE_ID_PHILIPS_SAA7133:
+ case PCI_DEVICE_ID_PHILIPS_SAA7135:
+ saa7134_oss_init1(dev);
+ break;
+ }
+
/* enable peripheral devices */
saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
@@ -687,7 +716,7 @@ static int saa7134_hwinit2(struct saa7134_dev *dev)
saa7134_tvaudio_init2(dev);
/* enable IRQ's */
- irq2_mask =
+ irq2_mask =
SAA7134_IRQ2_INTE_DEC3 |
SAA7134_IRQ2_INTE_DEC2 |
SAA7134_IRQ2_INTE_DEC1 |
@@ -695,10 +724,12 @@ static int saa7134_hwinit2(struct saa7134_dev *dev)
SAA7134_IRQ2_INTE_PE |
SAA7134_IRQ2_INTE_AR;
- if (dev->has_remote)
+ if (dev->has_remote == SAA7134_REMOTE_GPIO)
irq2_mask |= (SAA7134_IRQ2_INTE_GPIO18 |
SAA7134_IRQ2_INTE_GPIO18A |
SAA7134_IRQ2_INTE_GPIO16 );
+ else if (dev->has_remote == SAA7134_REMOTE_I2C)
+ request_module("ir-kbd-i2c");
saa_writel(SAA7134_IRQ1, 0);
saa_writel(SAA7134_IRQ2, irq2_mask);
@@ -872,8 +903,8 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
/* print pci info */
pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
- pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
- printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
+ pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
+ printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
"latency: %d, mmio: 0x%lx\n", dev->name,
pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
dev->pci_lat,pci_resource_start(pci_dev,0));
@@ -897,7 +928,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
if (UNSET != tuner[dev->nr])
dev->tuner_type = tuner[dev->nr];
- printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
+ printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
dev->name,pci_dev->subsystem_vendor,
pci_dev->subsystem_device,saa7134_boards[dev->board].name,
dev->board, card[dev->nr] == dev->board ?
@@ -947,14 +978,20 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
request_module("tuner");
if (dev->tda9887_conf)
request_module("tda9887");
- if (card_is_empress(dev)) {
+ if (card_is_empress(dev)) {
request_module("saa6752hs");
request_module_depend("saa7134-empress",&need_empress);
}
- if (card_is_dvb(dev))
+ if (card_is_dvb(dev))
request_module_depend("saa7134-dvb",&need_dvb);
+ if (!oss && alsa) {
+ dprintk("Requesting ALSA module\n");
+ request_module_depend("saa7134-alsa",&need_alsa);
+ }
+
+
v4l2_prio_init(&dev->prio);
/* register v4l devices */
@@ -993,22 +1030,22 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
case PCI_DEVICE_ID_PHILIPS_SAA7133:
case PCI_DEVICE_ID_PHILIPS_SAA7135:
if (oss) {
- err = dev->oss.minor_dsp =
+ err = dev->dmasound.minor_dsp =
register_sound_dsp(&saa7134_dsp_fops,
dsp_nr[dev->nr]);
if (err < 0) {
goto fail4;
}
printk(KERN_INFO "%s: registered device dsp%d\n",
- dev->name,dev->oss.minor_dsp >> 4);
+ dev->name,dev->dmasound.minor_dsp >> 4);
- err = dev->oss.minor_mixer =
+ err = dev->dmasound.minor_mixer =
register_sound_mixer(&saa7134_mixer_fops,
mixer_nr[dev->nr]);
if (err < 0)
goto fail5;
printk(KERN_INFO "%s: registered device mixer%d\n",
- dev->name,dev->oss.minor_mixer >> 4);
+ dev->name,dev->dmasound.minor_mixer >> 4);
}
break;
}
@@ -1035,7 +1072,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
case PCI_DEVICE_ID_PHILIPS_SAA7133:
case PCI_DEVICE_ID_PHILIPS_SAA7135:
if (oss)
- unregister_sound_dsp(dev->oss.minor_dsp);
+ unregister_sound_dsp(dev->dmasound.minor_dsp);
break;
}
fail4:
@@ -1055,7 +1092,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
{
- struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
+ struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
struct list_head *item;
struct saa7134_mpeg_ops *mops;
@@ -1093,8 +1130,8 @@ static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
case PCI_DEVICE_ID_PHILIPS_SAA7133:
case PCI_DEVICE_ID_PHILIPS_SAA7135:
if (oss) {
- unregister_sound_mixer(dev->oss.minor_mixer);
- unregister_sound_dsp(dev->oss.minor_dsp);
+ unregister_sound_mixer(dev->dmasound.minor_mixer);
+ unregister_sound_dsp(dev->dmasound.minor_dsp);
}
break;
}
@@ -1149,10 +1186,10 @@ EXPORT_SYMBOL(saa7134_ts_unregister);
/* ----------------------------------------------------------- */
static struct pci_driver saa7134_pci_driver = {
- .name = "saa7134",
- .id_table = saa7134_pci_tbl,
- .probe = saa7134_initdev,
- .remove = __devexit_p(saa7134_finidev),
+ .name = "saa7134",
+ .id_table = saa7134_pci_tbl,
+ .probe = saa7134_initdev,
+ .remove = __devexit_p(saa7134_finidev),
};
static int saa7134_init(void)
@@ -1188,6 +1225,13 @@ EXPORT_SYMBOL(saa7134_i2c_call_clients);
EXPORT_SYMBOL(saa7134_devlist);
EXPORT_SYMBOL(saa7134_boards);
+/* ----------------- For ALSA -------------------------------- */
+
+EXPORT_SYMBOL(saa7134_pgtable_free);
+EXPORT_SYMBOL(saa7134_pgtable_build);
+EXPORT_SYMBOL(saa7134_pgtable_alloc);
+EXPORT_SYMBOL(saa7134_set_dmabits);
+
/* ----------------------------------------------------------- */
/*
* Local variables:
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.