Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / drivers / media / video / cx88 / cx88-mpeg.c
index 07aae18..7d16888 100644 (file)
@@ -1,5 +1,4 @@
 /*
- * $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.
@@ -55,7 +54,7 @@ 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(0, "cx8802_start_dma w: %d, h: %d, f: %d\n", dev->width, dev->height, buf->vb.field);
 
        /* setup fifo + format */
        cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28],
@@ -64,17 +63,30 @@ static int cx8802_start_dma(struct cx8802_dev    *dev,
        /* 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) {
                /* 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->board) {
+               case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
+               case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
+               case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
+                       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;
+               default:
+                       cx_write(TS_SOP_STAT, 0x00);
+                       break;
+               }
                cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl);
                udelay(100);
        }
@@ -82,36 +94,35 @@ static int cx8802_start_dma(struct cx8802_dev    *dev,
        if (cx88_boards[core->board].blackbird) {
                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);
        }
-#endif
 
        /* reset counter */
        cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET);
        q->count = 1;
 
        /* enable irqs */
+       dprintk( 0, "setting the interrupt mask\n" );
        cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x04);
-       cx_write(MO_TS_INTMSK,  0x1f0011);
+       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( 0, "cx8802_stop_dma\n" );
 
        /* stop dma */
        cx_clear(MO_TS_DMACNTRL, 0x11);
@@ -131,8 +142,12 @@ static int cx8802_restart_queue(struct cx8802_dev    *dev,
        struct cx88_buffer *buf;
        struct list_head *item;
 
+       dprintk( 0, "cx8802_restart_queue\n" );
        if (list_empty(&q->active))
+       {
+               dprintk( 0, "cx8802_restart_queue: queue is empty\n" );
                return 0;
+       }
 
        buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
        dprintk(2,"restart_queue [%p/%d]: restart dma\n",
@@ -148,7 +163,8 @@ static int cx8802_restart_queue(struct cx8802_dev    *dev,
 
 /* ------------------------------------------------------------------ */
 
-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;
        int rc;
@@ -161,9 +177,9 @@ int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf)
                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,
@@ -173,35 +189,38 @@ int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf)
        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);
+       buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma);
 
-       if (list_empty(&q->active)) {
-               list_add_tail(&buf->vb.queue,&q->active);
-               cx8802_start_dma(dev, q, buf);
+       if (list_empty(&cx88q->active)) {
+               dprintk( 0, "queue is empty - first active\n" );
+               list_add_tail(&buf->vb.queue,&cx88q->active);
+               cx8802_start_dma(dev, cx88q, 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->count    = cx88q->count++;
+               mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT);
+               dprintk(0,"[%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);
+               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 = STATE_ACTIVE;
-               buf->count    = q->count++;
+               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__);
        }
 }
@@ -224,7 +243,10 @@ static void do_cancel_buffers(struct cx8802_dev *dev, char *reason, int restart)
                        buf, buf->vb.i, reason, (unsigned long)buf->risc.dma);
        }
        if (restart)
+       {
+               dprintk(0, "restarting queue\n" );
                cx8802_restart_queue(dev,q);
+       }
        spin_unlock_irqrestore(&dev->slock,flags);
 }
 
@@ -232,6 +254,7 @@ void cx8802_cancel_buffers(struct cx8802_dev *dev)
 {
        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);
@@ -241,7 +264,7 @@ static void cx8802_timeout(unsigned long data)
 {
        struct cx8802_dev *dev = (struct cx8802_dev*)data;
 
-       dprintk(1, "%s\n",__FUNCTION__);
+       dprintk(0, "%s\n",__FUNCTION__);
 
        if (debug)
                cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]);
@@ -249,17 +272,28 @@ static void cx8802_timeout(unsigned long data)
        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);
@@ -273,6 +307,7 @@ static void cx8802_mpeg_irq(struct cx8802_dev *dev)
 
        /* 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);
@@ -286,15 +321,18 @@ static void cx8802_mpeg_irq(struct cx8802_dev *dev)
                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);
+       }
 }
 
+#define MAX_IRQ_LOOP 10
+
 static irqreturn_t cx8802_irq(int irq, void *dev_id, struct pt_regs *regs)
 {
        struct cx8802_dev *dev = dev_id;
@@ -302,10 +340,13 @@ static irqreturn_t cx8802_irq(int irq, void *dev_id, struct pt_regs *regs)
        u32 status;
        int loop, handled = 0;
 
-       for (loop = 0; loop < 10; loop++) {
+       for (loop = 0; loop < MAX_IRQ_LOOP; loop++) {
                status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x04);
                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);
 
@@ -314,7 +355,8 @@ static irqreturn_t cx8802_irq(int irq, void *dev_id, struct pt_regs *regs)
                if (status & 0x04)
                        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);
@@ -342,14 +384,13 @@ int cx8802_init_common(struct cx8802_dev *dev)
        }
 
        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, "
+       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_name(dev->pci), dev->pci_rev, dev->pci->irq,
               dev->pci_lat,pci_resource_start(dev->pci,0));
 
        /* initialize driver struct */
-        init_MUTEX(&dev->lock);
        spin_lock_init(&dev->slock);
 
        /* init dma queue */
@@ -378,6 +419,7 @@ int cx8802_init_common(struct cx8802_dev *dev)
 
 void cx8802_fini_common(struct cx8802_dev *dev)
 {
+       dprintk( 2, "cx8802_fini_common\n" );
        cx8802_stop_dma(dev);
        pci_disable_device(dev->pci);
 
@@ -393,22 +435,21 @@ void cx8802_fini_common(struct cx8802_dev *dev)
 
 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))) {
@@ -420,20 +461,32 @@ int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
 
 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);
@@ -463,4 +516,5 @@ EXPORT_SYMBOL(cx8802_resume_common);
  * 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
  */