/*
- * $Id: cx88-mpeg.c,v 1.25 2005/03/07 14:18:00 kraxel Exp $
*
* Support for the mpeg transport stream transfers
* PCI function #2 of the cx2388x.
*/
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <asm/delay.h>
MODULE_PARM_DESC(debug,"enable debug messages [mpeg]");
#define dprintk(level,fmt, arg...) if (debug >= level) \
- printk(KERN_DEBUG "%s/2: " fmt, dev->core->name , ## arg)
+ printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg)
+#define mpeg_dbg(level,fmt, arg...) if (debug >= level) \
+ printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg)
+
+#if defined(CONFIG_MODULES) && defined(MODULE)
+static void request_module_async(struct work_struct *work)
+{
+ struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk);
+
+ if (dev->core->board.mpeg & CX88_MPEG_DVB)
+ request_module("cx88-dvb");
+ if (dev->core->board.mpeg & CX88_MPEG_BLACKBIRD)
+ request_module("cx88-blackbird");
+}
+
+static void request_modules(struct cx8802_dev *dev)
+{
+ INIT_WORK(&dev->request_module_wk, request_module_async);
+ schedule_work(&dev->request_module_wk);
+}
+#else
+#define request_modules(dev)
+#endif /* CONFIG_MODULES */
+
+
+static LIST_HEAD(cx8802_devlist);
/* ------------------------------------------------------------------ */
static int cx8802_start_dma(struct cx8802_dev *dev,
{
struct cx88_core *core = dev->core;
- dprintk(1, "cx8802_start_mpegport_dma %d\n", buf->vb.width);
+ dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n",
+ buf->vb.width, buf->vb.height, buf->vb.field);
/* setup fifo + format */
cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28],
/* write TS length to chip */
cx_write(MO_TS_LNGTH, buf->vb.width);
-#if 1
/* FIXME: this needs a review.
* also: move to cx88-blackbird + cx88-dvb source files? */
- if (cx88_boards[core->board].dvb) {
+ dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id);
+
+ if ( (core->active_type_id == CX88_MPEG_DVB) &&
+ (core->board.mpeg & CX88_MPEG_DVB) ) {
+
+ dprintk( 1, "cx8802_start_dma doing .dvb\n");
/* negedge driven & software reset */
- cx_write(TS_GEN_CNTRL, 0x40);
+ cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl);
udelay(100);
cx_write(MO_PINMUX_IO, 0x00);
- cx_write(TS_HW_SOP_CNTRL,47<<16|188<<4|0x00);
- cx_write(TS_SOP_STAT,0x00);
+ cx_write(TS_HW_SOP_CNTRL, 0x47<<16|188<<4|0x01);
+ switch (core->boardnr) {
+ case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
+ case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
+ case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
+ case CX88_BOARD_PCHDTV_HD5500:
+ cx_write(TS_SOP_STAT, 1<<13);
+ break;
+ case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
+ case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
+ cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */
+ udelay(100);
+ break;
+ case CX88_BOARD_HAUPPAUGE_HVR1300:
+ break;
+ case CX88_BOARD_PINNACLE_PCTV_HD_800i:
+ /* Enable MPEG parallel port */
+ cx_write(MO_PINMUX_IO, 0x80);
+ udelay(100);
+ break;
+ default:
+ cx_write(TS_SOP_STAT, 0x00);
+ break;
+ }
cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl);
udelay(100);
- }
-
- if (cx88_boards[core->board].blackbird) {
+ } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) &&
+ (core->board.mpeg & CX88_MPEG_BLACKBIRD) ) {
+ dprintk( 1, "cx8802_start_dma doing .blackbird\n");
cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */
- // cx_write(TS_F2_CMD_STAT_MM, 0x2900106); /* F2_CMD_STAT_MM defaults + master + memory space */
cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */
udelay(100);
cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */
- //cx_write(TS_HW_SOP_CNTRL, 0x2F0BC0); /* mpeg start byte ts: 0x2F0BC0 ? */
cx_write(TS_VALERR_CNTRL, 0x2000);
cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */
udelay(100);
+ } else {
+ printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __FUNCTION__,
+ core->board.mpeg );
+ return -EINVAL;
}
-#endif
/* reset counter */
cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET);
q->count = 1;
/* enable irqs */
- cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x04);
- cx_write(MO_TS_INTMSK, 0x1f0011);
+ dprintk( 1, "setting the interrupt mask\n" );
+ cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT);
+ cx_set(MO_TS_INTMSK, 0x1f0011);
/* start dma */
- cx_write(MO_DEV_CNTRL2, (1<<5)); /* FIXME: s/write/set/ ??? */
- cx_write(MO_TS_DMACNTRL, 0x11);
+ cx_set(MO_DEV_CNTRL2, (1<<5));
+ cx_set(MO_TS_DMACNTRL, 0x11);
return 0;
}
static int cx8802_stop_dma(struct cx8802_dev *dev)
{
struct cx88_core *core = dev->core;
+ dprintk( 1, "cx8802_stop_dma\n" );
/* stop dma */
cx_clear(MO_TS_DMACNTRL, 0x11);
/* disable irqs */
- cx_clear(MO_PCI_INTMSK, 0x000004);
+ cx_clear(MO_PCI_INTMSK, PCI_INT_TSINT);
cx_clear(MO_TS_INTMSK, 0x1f0011);
/* Reset the controller */
struct cx88_dmaqueue *q)
{
struct cx88_buffer *buf;
- struct list_head *item;
+ dprintk( 1, "cx8802_restart_queue\n" );
if (list_empty(&q->active))
+ {
+ struct cx88_buffer *prev;
+ prev = NULL;
+
+ dprintk(1, "cx8802_restart_queue: queue is empty\n" );
+
+ for (;;) {
+ if (list_empty(&q->queued))
+ return 0;
+ buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
+ if (NULL == prev) {
+ list_del(&buf->vb.queue);
+ list_add_tail(&buf->vb.queue,&q->active);
+ cx8802_start_dma(dev, q, buf);
+ buf->vb.state = VIDEOBUF_ACTIVE;
+ buf->count = q->count++;
+ mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+ dprintk(1,"[%p/%d] restart_queue - first active\n",
+ buf,buf->vb.i);
+
+ } else if (prev->vb.width == buf->vb.width &&
+ prev->vb.height == buf->vb.height &&
+ prev->fmt == buf->fmt) {
+ list_del(&buf->vb.queue);
+ list_add_tail(&buf->vb.queue,&q->active);
+ buf->vb.state = VIDEOBUF_ACTIVE;
+ buf->count = q->count++;
+ prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+ dprintk(1,"[%p/%d] restart_queue - move to active\n",
+ buf,buf->vb.i);
+ } else {
+ return 0;
+ }
+ prev = buf;
+ }
return 0;
+ }
buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
dprintk(2,"restart_queue [%p/%d]: restart dma\n",
buf, buf->vb.i);
cx8802_start_dma(dev, q, buf);
- list_for_each(item,&q->active) {
- buf = list_entry(item, struct cx88_buffer, vb.queue);
+ list_for_each_entry(buf, &q->active, vb.queue)
buf->count = q->count++;
- }
mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
return 0;
}
/* ------------------------------------------------------------------ */
-int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf)
+int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev,
+ struct cx88_buffer *buf, enum v4l2_field field)
{
int size = dev->ts_packet_size * dev->ts_packet_count;
+ struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
int rc;
dprintk(1, "%s: %p\n", __FUNCTION__, buf);
if (0 != buf->vb.baddr && buf->vb.bsize < size)
return -EINVAL;
- if (STATE_NEEDS_INIT == buf->vb.state) {
+ if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
buf->vb.width = dev->ts_packet_size;
buf->vb.height = dev->ts_packet_count;
buf->vb.size = size;
- buf->vb.field = V4L2_FIELD_TOP;
+ buf->vb.field = field /*V4L2_FIELD_TOP*/;
- if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL)))
+ if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
goto fail;
cx88_risc_databuffer(dev->pci, &buf->risc,
- buf->vb.dma.sglist,
- buf->vb.width, buf->vb.height);
+ dma->sglist,
+ buf->vb.width, buf->vb.height, 0);
}
- buf->vb.state = STATE_PREPARED;
+ buf->vb.state = VIDEOBUF_PREPARED;
return 0;
fail:
- cx88_free_buffer(dev->pci,buf);
+ cx88_free_buffer(q,buf);
return rc;
}
void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf)
{
struct cx88_buffer *prev;
- struct cx88_dmaqueue *q = &dev->mpegq;
+ struct cx88_dmaqueue *cx88q = &dev->mpegq;
+ dprintk( 1, "cx8802_buf_queue\n" );
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
- buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-
- if (list_empty(&q->active)) {
- list_add_tail(&buf->vb.queue,&q->active);
- cx8802_start_dma(dev, q, buf);
- buf->vb.state = STATE_ACTIVE;
- buf->count = q->count++;
- mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
- dprintk(2,"[%p/%d] %s - first active\n",
+ buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma);
+
+ if (list_empty(&cx88q->active)) {
+ dprintk( 1, "queue is empty - first active\n" );
+ list_add_tail(&buf->vb.queue,&cx88q->active);
+ cx8802_start_dma(dev, cx88q, buf);
+ buf->vb.state = VIDEOBUF_ACTIVE;
+ buf->count = cx88q->count++;
+ mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT);
+ dprintk(1,"[%p/%d] %s - first active\n",
buf, buf->vb.i, __FUNCTION__);
} else {
- prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
- list_add_tail(&buf->vb.queue,&q->active);
- buf->vb.state = STATE_ACTIVE;
- buf->count = q->count++;
+ dprintk( 1, "queue is not empty - append to active\n" );
+ prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue);
+ list_add_tail(&buf->vb.queue,&cx88q->active);
+ buf->vb.state = VIDEOBUF_ACTIVE;
+ buf->count = cx88q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
- dprintk(2,"[%p/%d] %s - append to active\n",
+ dprintk( 1, "[%p/%d] %s - append to active\n",
buf, buf->vb.i, __FUNCTION__);
}
}
while (!list_empty(&q->active)) {
buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
list_del(&buf->vb.queue);
- buf->vb.state = STATE_ERROR;
+ buf->vb.state = VIDEOBUF_ERROR;
wake_up(&buf->vb.done);
dprintk(1,"[%p/%d] %s - dma=0x%08lx\n",
buf, buf->vb.i, reason, (unsigned long)buf->risc.dma);
}
if (restart)
+ {
+ dprintk(1, "restarting queue\n" );
cx8802_restart_queue(dev,q);
+ }
spin_unlock_irqrestore(&dev->slock,flags);
}
{
struct cx88_dmaqueue *q = &dev->mpegq;
+ dprintk( 1, "cx8802_cancel_buffers" );
del_timer_sync(&q->timeout);
cx8802_stop_dma(dev);
do_cancel_buffers(dev,"cancel",0);
do_cancel_buffers(dev,"timeout",1);
}
+static char *cx88_mpeg_irqs[32] = {
+ "ts_risci1", NULL, NULL, NULL,
+ "ts_risci2", NULL, NULL, NULL,
+ "ts_oflow", NULL, NULL, NULL,
+ "ts_sync", NULL, NULL, NULL,
+ "opc_err", "par_err", "rip_err", "pci_abort",
+ "ts_err?",
+};
+
static void cx8802_mpeg_irq(struct cx8802_dev *dev)
{
struct cx88_core *core = dev->core;
u32 status, mask, count;
+ dprintk( 1, "cx8802_mpeg_irq\n" );
status = cx_read(MO_TS_INTSTAT);
mask = cx_read(MO_TS_INTMSK);
if (0 == (status & mask))
return;
cx_write(MO_TS_INTSTAT, status);
+
if (debug || (status & mask & ~0xff))
cx88_print_irqbits(core->name, "irq mpeg ",
- cx88_mpeg_irqs, status, mask);
+ cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs),
+ status, mask);
/* risc op code error */
if (status & (1 << 16)) {
/* risc1 y */
if (status & 0x01) {
+ dprintk( 1, "wake up\n" );
spin_lock(&dev->slock);
count = cx_read(MO_TS_GPCNT);
cx88_wakeup(dev->core, &dev->mpegq, count);
spin_unlock(&dev->slock);
}
- /* other general errors */
- if (status & 0x1f0100) {
- spin_lock(&dev->slock);
+ /* other general errors */
+ if (status & 0x1f0100) {
+ dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 );
+ spin_lock(&dev->slock);
cx8802_stop_dma(dev);
- cx8802_restart_queue(dev,&dev->mpegq);
- spin_unlock(&dev->slock);
- }
+ cx8802_restart_queue(dev,&dev->mpegq);
+ spin_unlock(&dev->slock);
+ }
}
-static irqreturn_t cx8802_irq(int irq, void *dev_id, struct pt_regs *regs)
+#define MAX_IRQ_LOOP 10
+
+static irqreturn_t cx8802_irq(int irq, void *dev_id)
{
struct cx8802_dev *dev = dev_id;
struct cx88_core *core = dev->core;
u32 status;
int loop, handled = 0;
- for (loop = 0; loop < 10; loop++) {
- status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x04);
+ for (loop = 0; loop < MAX_IRQ_LOOP; loop++) {
+ status = cx_read(MO_PCI_INTSTAT) &
+ (core->pci_irqmask | PCI_INT_TSINT);
if (0 == status)
goto out;
+ dprintk( 1, "cx8802_irq\n" );
+ dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP );
+ dprintk( 1, " status: %d\n", status );
handled = 1;
cx_write(MO_PCI_INTSTAT, status);
if (status & core->pci_irqmask)
cx88_core_irq(core,status);
- if (status & 0x04)
+ if (status & PCI_INT_TSINT)
cx8802_mpeg_irq(dev);
};
- if (10 == loop) {
+ if (MAX_IRQ_LOOP == loop) {
+ dprintk( 0, "clearing mask\n" );
printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
core->name);
cx_write(MO_PCI_INTMSK,0);
return IRQ_RETVAL(handled);
}
-/* ----------------------------------------------------------- */
-/* exported stuff */
-
-int cx8802_init_common(struct cx8802_dev *dev)
+static int cx8802_init_common(struct cx8802_dev *dev)
{
struct cx88_core *core = dev->core;
int err;
if (pci_enable_device(dev->pci))
return -EIO;
pci_set_master(dev->pci);
- if (!pci_dma_supported(dev->pci,0xffffffff)) {
+ if (!pci_dma_supported(dev->pci,DMA_32BIT_MASK)) {
printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name);
return -EIO;
}
pci_read_config_byte(dev->pci, PCI_CLASS_REVISION, &dev->pci_rev);
- pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat);
- printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, "
- "latency: %d, mmio: 0x%lx\n", dev->core->name,
+ pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat);
+ printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, "
+ "latency: %d, mmio: 0x%llx\n", dev->core->name,
pci_name(dev->pci), dev->pci_rev, dev->pci->irq,
- dev->pci_lat,pci_resource_start(dev->pci,0));
+ dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0));
/* initialize driver struct */
- init_MUTEX(&dev->lock);
spin_lock_init(&dev->slock);
/* init dma queue */
/* get irq */
err = request_irq(dev->pci->irq, cx8802_irq,
- SA_SHIRQ | SA_INTERRUPT, dev->core->name, dev);
+ IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev);
if (err < 0) {
printk(KERN_ERR "%s: can't get IRQ %d\n",
dev->core->name, dev->pci->irq);
return 0;
}
-void cx8802_fini_common(struct cx8802_dev *dev)
+static void cx8802_fini_common(struct cx8802_dev *dev)
{
+ dprintk( 2, "cx8802_fini_common\n" );
cx8802_stop_dma(dev);
pci_disable_device(dev->pci);
/* ----------------------------------------------------------- */
-int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
+static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
{
- struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
+ struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
struct cx88_core *core = dev->core;
/* stop mpeg dma */
spin_lock(&dev->slock);
if (!list_empty(&dev->mpegq.active)) {
+ dprintk( 2, "suspend\n" );
printk("%s: suspend mpeg\n", core->name);
cx8802_stop_dma(dev);
del_timer(&dev->mpegq.timeout);
}
spin_unlock(&dev->slock);
-#if 1
/* FIXME -- shutdown device */
cx88_shutdown(dev->core);
-#endif
pci_save_state(pci_dev);
if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
return 0;
}
-int cx8802_resume_common(struct pci_dev *pci_dev)
+static int cx8802_resume_common(struct pci_dev *pci_dev)
{
- struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
+ struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
struct cx88_core *core = dev->core;
+ int err;
if (dev->state.disabled) {
- pci_enable_device(pci_dev);
+ err=pci_enable_device(pci_dev);
+ if (err) {
+ printk(KERN_ERR "%s: can't enable device\n",
+ dev->core->name);
+ return err;
+ }
dev->state.disabled = 0;
}
- pci_set_power_state(pci_dev, PCI_D0);
+ err=pci_set_power_state(pci_dev, PCI_D0);
+ if (err) {
+ printk(KERN_ERR "%s: can't enable device\n",
+ dev->core->name);
+ pci_disable_device(pci_dev);
+ dev->state.disabled = 1;
+
+ return err;
+ }
pci_restore_state(pci_dev);
-#if 1
/* FIXME: re-initialize hardware */
cx88_reset(dev->core);
-#endif
/* restart video+vbi capture */
spin_lock(&dev->slock);
return 0;
}
+#if defined(CONFIG_VIDEO_CX88_BLACKBIRD) || \
+ defined(CONFIG_VIDEO_CX88_BLACKBIRD_MODULE)
+struct cx8802_dev * cx8802_get_device(struct inode *inode)
+{
+ int minor = iminor(inode);
+ struct cx8802_dev *dev;
+
+ list_for_each_entry(dev, &cx8802_devlist, devlist)
+ if (dev->mpeg_dev && dev->mpeg_dev->minor == minor)
+ return dev;
+
+ return NULL;
+}
+EXPORT_SYMBOL(cx8802_get_device);
+#endif
+
+struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype)
+{
+ struct cx8802_driver *d;
+
+ list_for_each_entry(d, &dev->drvlist, drvlist)
+ if (d->type_id == btype)
+ return d;
+
+ return NULL;
+}
+
+/* Driver asked for hardware access. */
+static int cx8802_request_acquire(struct cx8802_driver *drv)
+{
+ struct cx88_core *core = drv->core;
+
+ /* Fail a request for hardware if the device is busy. */
+ if (core->active_type_id != CX88_BOARD_NONE)
+ return -EBUSY;
+
+ if (drv->advise_acquire)
+ {
+ core->active_type_id = drv->type_id;
+ drv->advise_acquire(drv);
+
+ mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO));
+ }
+
+ return 0;
+}
+
+/* Driver asked to release hardware. */
+static int cx8802_request_release(struct cx8802_driver *drv)
+{
+ struct cx88_core *core = drv->core;
+
+ if (drv->advise_release)
+ {
+ drv->advise_release(drv);
+ core->active_type_id = CX88_BOARD_NONE;
+ mpeg_dbg(1,"%s() Post release GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO));
+ }
+
+ return 0;
+}
+
+static int cx8802_check_driver(struct cx8802_driver *drv)
+{
+ if (drv == NULL)
+ return -ENODEV;
+
+ if ((drv->type_id != CX88_MPEG_DVB) &&
+ (drv->type_id != CX88_MPEG_BLACKBIRD))
+ return -EINVAL;
+
+ if ((drv->hw_access != CX8802_DRVCTL_SHARED) &&
+ (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE))
+ return -EINVAL;
+
+ if ((drv->probe == NULL) ||
+ (drv->remove == NULL) ||
+ (drv->advise_acquire == NULL) ||
+ (drv->advise_release == NULL))
+ return -EINVAL;
+
+ return 0;
+}
+
+int cx8802_register_driver(struct cx8802_driver *drv)
+{
+ struct cx8802_dev *dev;
+ struct cx8802_driver *driver;
+ int err, i = 0;
+
+ printk(KERN_INFO
+ "cx88/2: registering cx8802 driver, type: %s access: %s\n",
+ drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
+ drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive");
+
+ if ((err = cx8802_check_driver(drv)) != 0) {
+ printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n");
+ return err;
+ }
+
+ list_for_each_entry(dev, &cx8802_devlist, devlist) {
+ printk(KERN_INFO
+ "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
+ dev->core->name, dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device, dev->core->board.name,
+ dev->core->boardnr);
+
+ /* Bring up a new struct for each driver instance */
+ driver = kzalloc(sizeof(*drv),GFP_KERNEL);
+ if (driver == NULL)
+ return -ENOMEM;
+
+ /* Snapshot of the driver registration data */
+ drv->core = dev->core;
+ drv->suspend = cx8802_suspend_common;
+ drv->resume = cx8802_resume_common;
+ drv->request_acquire = cx8802_request_acquire;
+ drv->request_release = cx8802_request_release;
+ memcpy(driver, drv, sizeof(*driver));
+
+ err = drv->probe(driver);
+ if (err == 0) {
+ i++;
+ mutex_lock(&drv->core->lock);
+ list_add_tail(&driver->drvlist, &dev->drvlist);
+ mutex_unlock(&drv->core->lock);
+ } else {
+ printk(KERN_ERR
+ "%s/2: cx8802 probe failed, err = %d\n",
+ dev->core->name, err);
+ }
+
+ }
+
+ return i ? 0 : -ENODEV;
+}
+
+int cx8802_unregister_driver(struct cx8802_driver *drv)
+{
+ struct cx8802_dev *dev;
+ struct cx8802_driver *d, *dtmp;
+ int err = 0;
+
+ printk(KERN_INFO
+ "cx88/2: unregistering cx8802 driver, type: %s access: %s\n",
+ drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
+ drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive");
+
+ list_for_each_entry(dev, &cx8802_devlist, devlist) {
+ printk(KERN_INFO
+ "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
+ dev->core->name, dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device, dev->core->board.name,
+ dev->core->boardnr);
+
+ list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) {
+ /* only unregister the correct driver type */
+ if (d->type_id != drv->type_id)
+ continue;
+
+ err = d->remove(d);
+ if (err == 0) {
+ mutex_lock(&drv->core->lock);
+ list_del(&d->drvlist);
+ mutex_unlock(&drv->core->lock);
+ kfree(d);
+ } else
+ printk(KERN_ERR "%s/2: cx8802 driver remove "
+ "failed (%d)\n", dev->core->name, err);
+ }
+
+ }
+
+ return err;
+}
+
/* ----------------------------------------------------------- */
+static int __devinit cx8802_probe(struct pci_dev *pci_dev,
+ const struct pci_device_id *pci_id)
+{
+ struct cx8802_dev *dev;
+ struct cx88_core *core;
+ int err;
+ /* general setup */
+ core = cx88_core_get(pci_dev);
+ if (NULL == core)
+ return -EINVAL;
+
+ printk("%s/2: cx2388x 8802 Driver Manager\n", core->name);
+
+ err = -ENODEV;
+ if (!core->board.mpeg)
+ goto fail_core;
+
+ err = -ENOMEM;
+ dev = kzalloc(sizeof(*dev),GFP_KERNEL);
+ if (NULL == dev)
+ goto fail_core;
+ dev->pci = pci_dev;
+ dev->core = core;
+
+ err = cx8802_init_common(dev);
+ if (err != 0)
+ goto fail_free;
+
+ INIT_LIST_HEAD(&dev->drvlist);
+ list_add_tail(&dev->devlist,&cx8802_devlist);
+
+ /* Maintain a reference so cx88-video can query the 8802 device. */
+ core->dvbdev = dev;
+
+ /* now autoload cx88-dvb or cx88-blackbird */
+ request_modules(dev);
+ return 0;
+
+ fail_free:
+ kfree(dev);
+ fail_core:
+ cx88_core_put(core,pci_dev);
+ return err;
+}
+
+static void __devexit cx8802_remove(struct pci_dev *pci_dev)
+{
+ struct cx8802_dev *dev;
+
+ dev = pci_get_drvdata(pci_dev);
+
+ dprintk( 1, "%s\n", __FUNCTION__);
+
+ if (!list_empty(&dev->drvlist)) {
+ struct cx8802_driver *drv, *tmp;
+ int err;
+
+ printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver "
+ "while cx8802 sub-drivers still loaded?!\n",
+ dev->core->name);
+
+ list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) {
+ err = drv->remove(drv);
+ if (err == 0) {
+ mutex_lock(&drv->core->lock);
+ list_del(&drv->drvlist);
+ mutex_unlock(&drv->core->lock);
+ } else
+ printk(KERN_ERR "%s/2: cx8802 driver remove "
+ "failed (%d)\n", dev->core->name, err);
+ kfree(drv);
+ }
+ }
+
+ /* Destroy any 8802 reference. */
+ dev->core->dvbdev = NULL;
+
+ /* common */
+ cx8802_fini_common(dev);
+ cx88_core_put(dev->core,dev->pci);
+ kfree(dev);
+}
+
+static struct pci_device_id cx8802_pci_tbl[] = {
+ {
+ .vendor = 0x14f1,
+ .device = 0x8802,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },{
+ /* --- end of list --- */
+ }
+};
+MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
+
+static struct pci_driver cx8802_pci_driver = {
+ .name = "cx88-mpeg driver manager",
+ .id_table = cx8802_pci_tbl,
+ .probe = cx8802_probe,
+ .remove = __devexit_p(cx8802_remove),
+};
+
+static int cx8802_init(void)
+{
+ printk(KERN_INFO "cx88/2: cx2388x MPEG-TS Driver Manager version %d.%d.%d loaded\n",
+ (CX88_VERSION_CODE >> 16) & 0xff,
+ (CX88_VERSION_CODE >> 8) & 0xff,
+ CX88_VERSION_CODE & 0xff);
+#ifdef SNAPSHOT
+ printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
+ SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
+#endif
+ return pci_register_driver(&cx8802_pci_driver);
+}
+
+static void cx8802_fini(void)
+{
+ pci_unregister_driver(&cx8802_pci_driver);
+}
+
+module_init(cx8802_init);
+module_exit(cx8802_fini);
EXPORT_SYMBOL(cx8802_buf_prepare);
EXPORT_SYMBOL(cx8802_buf_queue);
EXPORT_SYMBOL(cx8802_cancel_buffers);
-EXPORT_SYMBOL(cx8802_init_common);
-EXPORT_SYMBOL(cx8802_fini_common);
-
-EXPORT_SYMBOL(cx8802_suspend_common);
-EXPORT_SYMBOL(cx8802_resume_common);
-
+EXPORT_SYMBOL(cx8802_register_driver);
+EXPORT_SYMBOL(cx8802_unregister_driver);
+EXPORT_SYMBOL(cx8802_get_driver);
/* ----------------------------------------------------------- */
/*
* Local variables:
* c-basic-offset: 8
* End:
+ * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
*/
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff