/*
+ * $Id: saa7134-core.c,v 1.15 2004/11/07 14:44:59 kraxel Exp $
+ *
* device driver for philips saa7134 based TV cards
* driver core
*
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <linux/config.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kmod.h>
#include <linux/sound.h>
#include <linux/interrupt.h>
+#include <linux/delay.h>
#include "saa7134-reg.h"
#include "saa7134.h"
MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");
-#define SAA7134_MAXBOARDS 8
-
/* ------------------------------------------------------------------ */
static unsigned int irq_debug = 0;
-MODULE_PARM(irq_debug,"i");
+module_param(irq_debug, int, 0644);
MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
static unsigned int core_debug = 0;
-MODULE_PARM(core_debug,"i");
+module_param(core_debug, int, 0644);
MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
static unsigned int gpio_tracking = 0;
-MODULE_PARM(gpio_tracking,"i");
+module_param(gpio_tracking, int, 0644);
MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
-static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
-MODULE_PARM(video_nr,"1-" __stringify(SAA7134_MAXBOARDS) "i");
-MODULE_PARM_DESC(video_nr,"video device number");
-
-static unsigned int ts_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
-MODULE_PARM(ts_nr,"1-" __stringify(SAA7134_MAXBOARDS) "i");
-MODULE_PARM_DESC(ts_nr,"ts device number");
-
-static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
-MODULE_PARM(vbi_nr,"1-" __stringify(SAA7134_MAXBOARDS) "i");
-MODULE_PARM_DESC(vbi_nr,"vbi device number");
-
-static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
-MODULE_PARM(radio_nr,"1-" __stringify(SAA7134_MAXBOARDS) "i");
-MODULE_PARM_DESC(radio_nr,"radio device number");
-
static unsigned int oss = 0;
-MODULE_PARM(oss,"i");
+module_param(oss, int, 0444);
MODULE_PARM_DESC(oss,"register oss devices (default: no)");
-static unsigned int dsp_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
-MODULE_PARM(dsp_nr,"1-" __stringify(SAA7134_MAXBOARDS) "i");
-MODULE_PARM_DESC(dsp_nr,"oss dsp device number");
-
-static unsigned int mixer_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
-MODULE_PARM(mixer_nr,"1-" __stringify(SAA7134_MAXBOARDS) "i");
-MODULE_PARM_DESC(mixer_nr,"oss mixer device number");
-
-static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
-MODULE_PARM(tuner,"1-" __stringify(SAA7134_MAXBOARDS) "i");
-MODULE_PARM_DESC(tuner,"tuner type");
-
-static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
-MODULE_PARM(card,"1-" __stringify(SAA7134_MAXBOARDS) "i");
-MODULE_PARM_DESC(card,"card type");
-
static unsigned int latency = UNSET;
-MODULE_PARM(latency,"i");
+module_param(latency, int, 0444);
MODULE_PARM_DESC(latency,"pci latency timer");
-struct list_head saa7134_devlist;
-unsigned int saa7134_devcount;
+static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int dsp_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int mixer_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+
+module_param_array(video_nr, int, NULL, 0444);
+module_param_array(vbi_nr, int, NULL, 0444);
+module_param_array(radio_nr, int, NULL, 0444);
+module_param_array(dsp_nr, int, NULL, 0444);
+module_param_array(mixer_nr, int, NULL, 0444);
+module_param_array(tuner, int, NULL, 0444);
+module_param_array(card, int, NULL, 0444);
+
+MODULE_PARM_DESC(video_nr, "video device number");
+MODULE_PARM_DESC(vbi_nr, "vbi device number");
+MODULE_PARM_DESC(radio_nr, "radio device number");
+MODULE_PARM_DESC(dsp_nr, "oss dsp device number");
+MODULE_PARM_DESC(mixer_nr, "oss mixer device number");
+MODULE_PARM_DESC(tuner, "tuner type");
+MODULE_PARM_DESC(card, "card type");
+
+static DECLARE_MUTEX(devlist_lock);
+LIST_HEAD(saa7134_devlist);
+static LIST_HEAD(mops_list);
+unsigned int saa7134_devcount;
#define dprintk(fmt, arg...) if (core_debug) \
printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
}
#endif
+/* ----------------------------------------------------------- */
+/* delayed request_module */
+
+#ifdef CONFIG_MODULES
+
+static int need_empress;
+static int need_dvb;
+
+static int pending_call(struct notifier_block *self, unsigned long state,
+ void *module)
+{
+ 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");
+ return NOTIFY_DONE;
+}
+
+static int pending_registered;
+static struct notifier_block pending_notifier = {
+ .notifier_call = pending_call,
+};
+
+static void request_module_depend(char *name, int *flag)
+{
+ switch (THIS_MODULE->state) {
+ case MODULE_STATE_COMING:
+ if (!pending_registered) {
+ register_module_notifier(&pending_notifier);
+ pending_registered = 1;
+ }
+ *flag = 1;
+ break;
+ case MODULE_STATE_LIVE:
+ request_module(name);
+ break;
+ default:
+ /* nothing */;
+ break;
+ }
+}
+
+#else
+
+#define request_module_depend(name,flag)
+
+#endif /* CONFIG_MODULES */
+
/* ------------------------------------------------------------------ */
/* nr of (saa7134-)pages for the given buffer size */
-int saa7134_buffer_pages(int size)
+static int saa7134_buffer_pages(int size)
{
size = PAGE_ALIGN(size);
size += PAGE_SIZE; /* for non-page-aligned buffers */
int saa7134_buffer_count(unsigned int size, unsigned int count)
{
unsigned int maxcount;
-
+
maxcount = 1024 / saa7134_buffer_pages(size);
if (count > maxcount)
count = maxcount;
{
u32 *cpu;
dma_addr_t dma_addr;
-
+
cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
if (NULL == cpu)
return -ENOMEM;
struct saa7134_buf *buf)
{
struct saa7134_buf *next = NULL;
-#ifdef DEBUG_SPINLOCKS
- BUG_ON(!spin_is_locked(&dev->slock));
-#endif
-
+
+ assert_spin_locked(&dev->slock);
dprintk("buffer_queue %p\n",buf);
if (NULL == q->curr) {
if (!q->need_two) {
struct saa7134_dmaqueue *q,
unsigned int state)
{
-#ifdef DEBUG_SPINLOCKS
- BUG_ON(!spin_is_locked(&dev->slock));
-#endif
+ assert_spin_locked(&dev->slock);
dprintk("buffer_finish %p\n",q->curr);
-
+
/* finish current buffer */
q->curr->vb.state = state;
do_gettimeofday(&q->curr->vb.ts);
{
struct saa7134_buf *buf,*next = NULL;
-#ifdef DEBUG_SPINLOCKS
- BUG_ON(!spin_is_locked(&dev->slock));
-#endif
+ assert_spin_locked(&dev->slock);
BUG_ON(NULL != q->curr);
if (!list_empty(&q->queue)) {
enum v4l2_field cap = V4L2_FIELD_ANY;
enum v4l2_field ov = V4L2_FIELD_ANY;
-#ifdef DEBUG_SPINLOCKS
- BUG_ON(!spin_is_locked(&dev->slock));
-#endif
+ assert_spin_locked(&dev->slock);
/* video capture -- dma 0 + video task A */
if (dev->video_q.curr) {
SAA7134_IRQ1_INTE_RA2_1 |
SAA7134_IRQ1_INTE_RA2_0;
}
-
+
/* set task conditions + field handling */
if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
/* default config -- use full frames */
saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
split = 1;
}
-
+
/* irqs */
saa_writeb(SAA7134_REGION_ENABLE, task);
saa_writel(SAA7134_IRQ1, irq);
unsigned long report, unsigned long status)
{
unsigned int i;
-
+
printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
dev->name,loop,jiffies,report,status);
for (i = 0; i < IRQBITS; i++) {
saa7134_irq_vbi_done(dev,status);
if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
- card_has_ts(dev))
+ card_has_mpeg(dev))
saa7134_irq_ts_done(dev,status);
if ((report & SAA7134_IRQ_REPORT_DONE_RA3))
saa_writel(SAA7134_IRQ1, 0);
saa_writel(SAA7134_IRQ2, 0);
init_MUTEX(&dev->lock);
- dev->slock = SPIN_LOCK_UNLOCKED;
+ spin_lock_init(&dev->slock);
saa7134_track_gpio(dev,"pre-init");
saa7134_video_init1(dev);
saa7134_vbi_init1(dev);
- if (card_has_ts(dev))
+ if (card_has_mpeg(dev))
saa7134_ts_init1(dev);
saa7134_input_init1(dev);
saa7134_oss_init1(dev);
break;
}
-
+
/* RAM FIFO config */
saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
saa_writel(SAA7134_THRESHOULD,0x02020202);
-
+
/* enable audio + video processing */
saa_writel(SAA7134_MAIN_CTRL,
SAA7134_MAIN_CTRL_VPLLE |
/* set vertical line numbering start (vbi needs this) */
saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
-
+
return 0;
}
saa7134_oss_fini(dev);
break;
}
- if (card_has_ts(dev))
+ if (card_has_mpeg(dev))
saa7134_ts_fini(dev);
saa7134_input_fini(dev);
saa7134_vbi_fini(dev);
char *type)
{
struct video_device *vfd;
-
+
vfd = video_device_alloc();
if (NULL == vfd)
return NULL;
video_device_release(dev->video_dev);
dev->video_dev = NULL;
}
- if (dev->ts_dev) {
- if (-1 != dev->ts_dev->minor)
- video_unregister_device(dev->ts_dev);
- else
- video_device_release(dev->ts_dev);
- dev->ts_dev = NULL;
- }
if (dev->vbi_dev) {
if (-1 != dev->vbi_dev->minor)
video_unregister_device(dev->vbi_dev);
}
}
+static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
+ struct saa7134_dev *dev)
+{
+ int err;
+
+ if (NULL != dev->mops)
+ return;
+ if (saa7134_boards[dev->board].mpeg != ops->type)
+ return;
+ err = ops->init(dev);
+ if (0 != err)
+ return;
+ dev->mops = ops;
+}
+
+static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
+ struct saa7134_dev *dev)
+{
+ if (NULL == dev->mops)
+ return;
+ if (dev->mops != ops)
+ return;
+ dev->mops->fini(dev);
+ dev->mops = NULL;
+}
+
static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
struct saa7134_dev *dev;
+ struct list_head *item;
+ struct saa7134_mpeg_ops *mops;
int err;
dev = kmalloc(sizeof(*dev),GFP_KERNEL);
err = -EIO;
goto fail1;
}
- sprintf(dev->name,"saa%x[%d]",pci_dev->device,saa7134_devcount);
+
+ dev->nr = saa7134_devcount;
+ sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
/* pci quirks */
if (pci_pci_problems) {
/* board config */
dev->board = pci_id->driver_data;
- if (card[saa7134_devcount] >= 0 &&
- card[saa7134_devcount] < saa7134_bcount)
- dev->board = card[saa7134_devcount];
+ if (card[dev->nr] >= 0 &&
+ card[dev->nr] < saa7134_bcount)
+ dev->board = card[dev->nr];
if (SAA7134_BOARD_NOAUTO == dev->board) {
must_configure_manually();
dev->board = SAA7134_BOARD_UNKNOWN;
}
dev->tuner_type = saa7134_boards[dev->board].tuner_type;
dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
- if (UNSET != tuner[saa7134_devcount])
- dev->tuner_type = tuner[saa7134_devcount];
+ if (UNSET != tuner[dev->nr])
+ dev->tuner_type = tuner[dev->nr];
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[saa7134_devcount] == dev->board ?
+ dev->board, card[dev->nr] == dev->board ?
"insmod option" : "autodetected");
/* get mmio */
goto fail1;
}
dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
- dev->bmmio = (__u8*)dev->lmmio;
+ dev->bmmio = (__u8 __iomem *)dev->lmmio;
if (NULL == dev->lmmio) {
err = -EIO;
printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
}
/* initialize hardware #1 */
- saa7134_board_init(dev);
+ saa7134_board_init1(dev);
saa7134_hwinit1(dev);
/* get irq */
}
/* wait a bit, register i2c bus */
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ/10);
+ msleep(100);
saa7134_i2c_register(dev);
/* initialize hardware #2 */
+ saa7134_board_init2(dev);
saa7134_hwinit2(dev);
/* load i2c helpers */
request_module("tuner");
if (dev->tda9887_conf)
request_module("tda9887");
- if (card_has_ts(dev))
+ if (card_is_empress(dev)) {
request_module("saa6752hs");
+ request_module_depend("saa7134-empress",&need_empress);
+ }
+ if (card_is_dvb(dev))
+ request_module_depend("saa7134-dvb",&need_dvb);
-#ifdef VIDIOC_G_PRIORITY
v4l2_prio_init(&dev->prio);
-#endif
/* register v4l devices */
dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
- video_nr[saa7134_devcount]);
+ video_nr[dev->nr]);
if (err < 0) {
printk(KERN_INFO "%s: can't register video device\n",
dev->name);
printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
dev->name,dev->video_dev->minor & 0x1f);
- if (card_has_ts(dev)) {
- dev->ts_dev = vdev_init(dev,&saa7134_ts_template,"ts");
- err = video_register_device(dev->ts_dev,VFL_TYPE_GRABBER,
- ts_nr[saa7134_devcount]);
- if (err < 0) {
- printk(KERN_INFO "%s: can't register video device\n",
- dev->name);
- goto fail4;
- }
- printk(KERN_INFO "%s: registered device video%d [mpeg]\n",
- dev->name,dev->ts_dev->minor & 0x1f);
- }
-
dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
- vbi_nr[saa7134_devcount]);
+ vbi_nr[dev->nr]);
if (err < 0)
goto fail4;
printk(KERN_INFO "%s: registered device vbi%d\n",
if (card_has_radio(dev)) {
dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
- radio_nr[saa7134_devcount]);
+ radio_nr[dev->nr]);
if (err < 0)
goto fail4;
printk(KERN_INFO "%s: registered device radio%d\n",
if (oss) {
err = dev->oss.minor_dsp =
register_sound_dsp(&saa7134_dsp_fops,
- dsp_nr[saa7134_devcount]);
+ 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);
-
+
err = dev->oss.minor_mixer =
register_sound_mixer(&saa7134_mixer_fops,
- mixer_nr[saa7134_devcount]);
+ mixer_nr[dev->nr]);
if (err < 0)
goto fail5;
printk(KERN_INFO "%s: registered device mixer%d\n",
}
/* everything worked */
- list_add_tail(&dev->devlist,&saa7134_devlist);
pci_set_drvdata(pci_dev,dev);
saa7134_devcount++;
+
+ down(&devlist_lock);
+ list_for_each(item,&mops_list) {
+ mops = list_entry(item, struct saa7134_mpeg_ops, next);
+ mpeg_ops_attach(mops, dev);
+ }
+ list_add_tail(&dev->devlist,&saa7134_devlist);
+ up(&devlist_lock);
return 0;
fail5:
static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
{
struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
+ struct list_head *item;
+ struct saa7134_mpeg_ops *mops;
/* debugging ... */
if (irq_debug) {
saa7134_hwfini(dev);
/* unregister */
+ down(&devlist_lock);
+ list_del(&dev->devlist);
+ list_for_each(item,&mops_list) {
+ mops = list_entry(item, struct saa7134_mpeg_ops, next);
+ mpeg_ops_detach(mops, dev);
+ }
+ up(&devlist_lock);
+ saa7134_devcount--;
+
saa7134_i2c_unregister(dev);
switch (dev->pci->device) {
case PCI_DEVICE_ID_PHILIPS_SAA7134:
pci_set_drvdata(pci_dev, NULL);
/* free memory */
- list_del(&dev->devlist);
- saa7134_devcount--;
kfree(dev);
}
+/* ----------------------------------------------------------- */
+
+int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
+{
+ struct list_head *item;
+ struct saa7134_dev *dev;
+
+ down(&devlist_lock);
+ list_for_each(item,&saa7134_devlist) {
+ dev = list_entry(item, struct saa7134_dev, devlist);
+ mpeg_ops_attach(ops, dev);
+ }
+ list_add_tail(&ops->next,&mops_list);
+ up(&devlist_lock);
+ return 0;
+}
+
+void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
+{
+ struct list_head *item;
+ struct saa7134_dev *dev;
+
+ down(&devlist_lock);
+ list_del(&ops->next);
+ list_for_each(item,&saa7134_devlist) {
+ dev = list_entry(item, struct saa7134_dev, devlist);
+ mpeg_ops_detach(ops, dev);
+ }
+ up(&devlist_lock);
+}
+
+EXPORT_SYMBOL(saa7134_ts_register);
+EXPORT_SYMBOL(saa7134_ts_unregister);
+
+/* ----------------------------------------------------------- */
+
static struct pci_driver saa7134_pci_driver = {
.name = "saa7134",
.id_table = saa7134_pci_tbl,
.probe = saa7134_initdev,
- .remove = saa7134_finidev,
+ .remove = __devexit_p(saa7134_finidev),
};
static int saa7134_init(void)
module_init(saa7134_init);
module_exit(saa7134_fini);
+/* ----------------------------------------------------------- */
+
+EXPORT_SYMBOL(saa7134_print_ioctl);
+EXPORT_SYMBOL(saa7134_i2c_call_clients);
+EXPORT_SYMBOL(saa7134_devlist);
+EXPORT_SYMBOL(saa7134_boards);
+
/* ----------------------------------------------------------- */
/*
* Local variables:
git://git.onelab.eu / linux-2.6.git / blobdiff