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path: root/linux/drivers/media/video/cx23885/cx23885-core.c
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Diffstat (limited to 'linux/drivers/media/video/cx23885/cx23885-core.c')
-rw-r--r--linux/drivers/media/video/cx23885/cx23885-core.c147
1 files changed, 134 insertions, 13 deletions
diff --git a/linux/drivers/media/video/cx23885/cx23885-core.c b/linux/drivers/media/video/cx23885/cx23885-core.c
index 6ae7ee247..4854d54f1 100644
--- a/linux/drivers/media/video/cx23885/cx23885-core.c
+++ b/linux/drivers/media/video/cx23885/cx23885-core.c
@@ -714,12 +714,26 @@ static void cx23885_dev_checkrevision(struct cx23885_dev *dev)
dev->hwrevision = 0xa1;
break;
case 0x02:
- /* CX23885-13Z */
+ /* CX23885-13Z/14Z */
dev->hwrevision = 0xb0;
break;
case 0x03:
- /* CX23888-22Z */
- dev->hwrevision = 0xc0;
+ if (dev->pci->device == 0x8880) {
+ /* CX23888-21Z/22Z */
+ dev->hwrevision = 0xc0;
+ } else {
+ /* CX23885-14Z */
+ dev->hwrevision = 0xa4;
+ }
+ break;
+ case 0x04:
+ if (dev->pci->device == 0x8880) {
+ /* CX23888-31Z */
+ dev->hwrevision = 0xd0;
+ } else {
+ /* CX23885-15Z, CX23888-31Z */
+ dev->hwrevision = 0xa5;
+ }
break;
case 0x0e:
/* CX23887-15Z */
@@ -757,6 +771,7 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
/* Configure the internal memory */
if (dev->pci->device == 0x8880) {
+ /* Could be 887 or 888, assume a default */
dev->bridge = CX23885_BRIDGE_887;
/* Apply a sensible clock frequency for the PCIe bridge */
dev->clk_freq = 25000000;
@@ -869,6 +884,14 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
dprintk(1, "%s() radio_type = 0x%x radio_addr = 0x%x\n",
__func__, dev->radio_type, dev->radio_addr);
+ /* The cx23417 encoder has GPIO's that need to be initialised
+ * before DVB, so that demodulators and tuners are out of
+ * reset before DVB uses them.
+ */
+ if ((cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) ||
+ (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER))
+ cx23885_mc417_init(dev);
+
/* init hardware */
cx23885_reset(dev);
@@ -876,7 +899,7 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
cx23885_i2c_register(&dev->i2c_bus[1]);
cx23885_i2c_register(&dev->i2c_bus[2]);
cx23885_card_setup(dev);
- cx23885_call_i2c_clients(&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
+ call_all(dev, tuner, s_standby);
cx23885_ir_init(dev);
if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO) {
@@ -1251,6 +1274,7 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
switch (dev->bridge) {
case CX23885_BRIDGE_885:
case CX23885_BRIDGE_887:
+ case CX23885_BRIDGE_888:
/* enable irqs */
dprintk(1, "%s() enabling TS int's and DMA\n", __func__);
cx_set(port->reg_ts_int_msk, port->ts_int_msk_val);
@@ -1710,9 +1734,14 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
PCI_MSK_GPIO1);
}
- if ((pci_status & PCI_MSK_GPIO0) || (pci_status & PCI_MSK_GPIO1))
- /* handled += cx23885_irq_gpio(dev, pci_status); */
- handled += netup_ci_slot_status(dev, pci_status);
+ if (cx23885_boards[dev->board].cimax > 0 &&
+ ((pci_status & PCI_MSK_GPIO0) ||
+ (pci_status & PCI_MSK_GPIO1))) {
+
+ if (cx23885_boards[dev->board].cimax > 0)
+ handled += netup_ci_slot_status(dev, pci_status);
+
+ }
if (ts1_status) {
if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB)
@@ -1739,6 +1768,88 @@ out:
return IRQ_RETVAL(handled);
}
+static inline int encoder_on_portb(struct cx23885_dev *dev)
+{
+ return cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER;
+}
+
+static inline int encoder_on_portc(struct cx23885_dev *dev)
+{
+ return cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER;
+}
+
+/* Mask represents 32 different GPIOs, GPIO's are split into multiple
+ * registers depending on the board configuration (and whether the
+ * 417 encoder (wi it's own GPIO's) are present. Each GPIO bit will
+ * be pushed into the correct hardware register, regardless of the
+ * physical location. Certain registers are shared so we sanity check
+ * and report errors if we think we're tampering with a GPIo that might
+ * be assigned to the encoder (and used for the host bus).
+ *
+ * GPIO 2 thru 0 - On the cx23885 bridge
+ * GPIO 18 thru 3 - On the cx23417 host bus interface
+ * GPIO 23 thru 19 - On the cx25840 a/v core
+ */
+void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask)
+{
+ if (mask & 0x7)
+ cx_set(GP0_IO, mask & 0x7);
+
+ if (mask & 0x0007fff8) {
+ if (encoder_on_portb(dev) || encoder_on_portc(dev))
+ printk(KERN_ERR
+ "%s: Setting GPIO on encoder ports\n",
+ dev->name);
+ cx_set(MC417_RWD, (mask & 0x0007fff8) >> 3);
+ }
+
+ /* TODO: 23-19 */
+ if (mask & 0x00f80000)
+ printk(KERN_INFO "%s: Unsupported\n", dev->name);
+}
+
+void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask)
+{
+ if (mask & 0x00000007)
+ cx_clear(GP0_IO, mask & 0x7);
+
+ if (mask & 0x0007fff8) {
+ if (encoder_on_portb(dev) || encoder_on_portc(dev))
+ printk(KERN_ERR
+ "%s: Clearing GPIO moving on encoder ports\n",
+ dev->name);
+ cx_clear(MC417_RWD, (mask & 0x7fff8) >> 3);
+ }
+
+ /* TODO: 23-19 */
+ if (mask & 0x00f80000)
+ printk(KERN_INFO "%s: Unsupported\n", dev->name);
+}
+
+void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput)
+{
+ if ((mask & 0x00000007) && asoutput)
+ cx_set(GP0_IO, (mask & 0x7) << 16);
+ else if ((mask & 0x00000007) && !asoutput)
+ cx_clear(GP0_IO, (mask & 0x7) << 16);
+
+ if (mask & 0x0007fff8) {
+ if (encoder_on_portb(dev) || encoder_on_portc(dev))
+ printk(KERN_ERR
+ "%s: Enabling GPIO on encoder ports\n",
+ dev->name);
+ }
+
+ /* MC417_OEN is active low for output, write 1 for an input */
+ if ((mask & 0x0007fff8) && asoutput)
+ cx_clear(MC417_OEN, (mask & 0x7fff8) >> 3);
+
+ else if ((mask & 0x0007fff8) && !asoutput)
+ cx_set(MC417_OEN, (mask & 0x7fff8) >> 3);
+
+ /* TODO: 23-19 */
+}
+
static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
@@ -1749,16 +1860,20 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
if (NULL == dev)
return -ENOMEM;
+ err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
+ if (err < 0)
+ goto fail_free;
+
/* pci init */
dev->pci = pci_dev;
if (pci_enable_device(pci_dev)) {
err = -EIO;
- goto fail_free;
+ goto fail_unreg;
}
if (cx23885_dev_setup(dev) < 0) {
err = -EINVAL;
- goto fail_free;
+ goto fail_unreg;
}
/* print pci info */
@@ -1785,13 +1900,18 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
goto fail_irq;
}
- pci_set_drvdata(pci_dev, dev);
- cx_set(PCI_INT_MSK, 0x01800000); /* for NetUP */
+ switch (dev->board) {
+ case CX23885_BOARD_NETUP_DUAL_DVBS2_CI:
+ cx_set(PCI_INT_MSK, 0x01800000); /* for NetUP */
+ break;
+ }
return 0;
fail_irq:
cx23885_dev_unregister(dev);
+fail_unreg:
+ v4l2_device_unregister(&dev->v4l2_dev);
fail_free:
kfree(dev);
return err;
@@ -1799,7 +1919,8 @@ fail_free:
static void __devexit cx23885_finidev(struct pci_dev *pci_dev)
{
- struct cx23885_dev *dev = pci_get_drvdata(pci_dev);
+ struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+ struct cx23885_dev *dev = to_cx23885(v4l2_dev);
cx23885_shutdown(dev);
@@ -1807,13 +1928,13 @@ static void __devexit cx23885_finidev(struct pci_dev *pci_dev)
/* unregister stuff */
free_irq(pci_dev->irq, dev);
- pci_set_drvdata(pci_dev, NULL);
mutex_lock(&devlist);
list_del(&dev->devlist);
mutex_unlock(&devlist);
cx23885_dev_unregister(dev);
+ v4l2_device_unregister(v4l2_dev);
kfree(dev);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-02 21:15:40 +0000