V4L/DVB (6150): Add CX23885/CX23887 PCIe bridge driver
This is a new framework to support boards based on the CX23885/7 PCIe
bridge. The framework supports digital (no analog yet)
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
new file mode 100644
index 0000000..4ff85f7
--- /dev/null
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -0,0 +1,199 @@
+/*
+ * Driver for the Conexant CX23885 PCIe bridge
+ *
+ * Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/fs.h>
+#include <linux/kthread.h>
+#include <linux/file.h>
+#include <linux/suspend.h>
+
+#include "cx23885.h"
+#include "dvb-pll.h"
+#include <media/v4l2-common.h>
+
+#include "s5h1409.h"
+#include "mt2131.h"
+
+static unsigned int debug = 2;
+
+#define dprintk(level,fmt, arg...) if (debug >= level) \
+ printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
+
+/* ------------------------------------------------------------------ */
+
+static int dvb_buf_setup(struct videobuf_queue *q,
+ unsigned int *count, unsigned int *size)
+{
+ struct cx23885_tsport *port = q->priv_data;
+
+ port->ts_packet_size = 188 * 4;
+ port->ts_packet_count = 32;
+
+ *size = port->ts_packet_size * port->ts_packet_count;
+ *count = 32;
+ return 0;
+}
+
+static int dvb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
+ enum v4l2_field field)
+{
+ struct cx23885_tsport *port = q->priv_data;
+ return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb,field);
+}
+
+static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+{
+ struct cx23885_tsport *port = q->priv_data;
+ cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
+}
+
+static void dvb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
+{
+ cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
+}
+
+static struct videobuf_queue_ops dvb_qops = {
+ .buf_setup = dvb_buf_setup,
+ .buf_prepare = dvb_buf_prepare,
+ .buf_queue = dvb_buf_queue,
+ .buf_release = dvb_buf_release,
+};
+
+static struct s5h1409_config hauppauge_hvr1800lp_config = {
+ .demod_address = 0x32 >> 1,
+ .output_mode = S5H1409_SERIAL_OUTPUT,
+ .gpio = S5H1409_GPIO_OFF,
+ .if_freq = 44000,
+ .inversion = S5H1409_INVERSION_OFF
+};
+
+static struct s5h1409_config hauppauge_hvr1800_config = {
+ .demod_address = 0x32 >> 1,
+ .output_mode = S5H1409_SERIAL_OUTPUT,
+ .gpio = S5H1409_GPIO_ON,
+ .if_freq = 44000,
+ .inversion = S5H1409_INVERSION_OFF
+};
+
+
+static struct mt2131_config hauppauge_hvr1800lp_rev2_tunerconfig = {
+ 0x61
+};
+
+static struct mt2131_config hauppauge_hvr1800_tunerconfig = {
+ 0x61
+};
+
+static int dvb_register(struct cx23885_tsport *port)
+{
+ struct cx23885_dev *dev = port->dev;
+
+ /* init struct videobuf_dvb */
+ port->dvb.name = dev->name;
+
+ /* init frontend */
+ switch (dev->board) {
+ case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
+ port->dvb.frontend = dvb_attach(s5h1409_attach,
+ &hauppauge_hvr1800lp_config,
+ &dev->i2c_bus[0].i2c_adap);
+ if (port->dvb.frontend != NULL) {
+ dvb_attach(mt2131_attach,
+ port->dvb.frontend,
+ &dev->i2c_bus[0].i2c_adap,
+ &hauppauge_hvr1800lp_rev2_tunerconfig,
+ 0);
+ }
+ break;
+ case CX23885_BOARD_HAUPPAUGE_HVR1800:
+ port->dvb.frontend = dvb_attach(s5h1409_attach,
+ &hauppauge_hvr1800_config,
+ &dev->i2c_bus[0].i2c_adap);
+ if (port->dvb.frontend != NULL) {
+ dvb_attach(mt2131_attach,
+ port->dvb.frontend,
+ &dev->i2c_bus[0].i2c_adap,
+ &hauppauge_hvr1800_tunerconfig,
+ 0);
+ }
+ break;
+ default:
+ printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
+ dev->name);
+ break;
+ }
+ if (NULL == port->dvb.frontend) {
+ printk("%s: frontend initialization failed\n", dev->name);
+ return -1;
+ }
+
+ /* Put the analog decoder in standby to keep it quiet */
+ cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
+
+ /* register everything */
+ return videobuf_dvb_register(&port->dvb, THIS_MODULE, port, &dev->pci->dev);
+}
+
+int cx23885_dvb_register(struct cx23885_tsport *port)
+{
+ struct cx23885_dev *dev = port->dev;
+ int err;
+
+ dprintk( 1, "%s\n", __FUNCTION__);
+ dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
+ dev->board,
+ dev->name,
+ dev->pci_bus,
+ dev->pci_slot);
+
+ err = -ENODEV;
+ if (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB))
+ goto fail_core;
+
+ /* dvb stuff */
+ printk("%s: cx23885 based dvb card\n", dev->name);
+ videobuf_queue_init(
+ &port->dvb.dvbq,
+ &dvb_qops,
+ dev->pci,
+ &port->slock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_TOP,
+ sizeof(struct cx23885_buffer),
+ port);
+ err = dvb_register(port);
+ if (err != 0)
+ printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
+
+ fail_core:
+ return err;
+}
+
+int cx23885_dvb_unregister(struct cx23885_tsport *port)
+{
+ /* dvb */
+ if(port->dvb.frontend)
+ videobuf_dvb_unregister(&port->dvb);
+
+ return 0;
+}