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>
git-mirror · Oct 10, 2007 · d19770e · d19770e
1 parent 275511a
commit d19770e
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diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
@@ -124,5 +124,6 @@ obj-$(CONFIG_USB_QUICKCAM_MESSENGER)	+= usbvideo/
 obj-$(CONFIG_VIDEO_IVTV) += ivtv/
 
 obj-$(CONFIG_VIDEO_VIVI) += vivi.o
+obj-$(CONFIG_VIDEO_CX23885) += cx23885/
 
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
diff --git a/drivers/media/video/cx23885/Kconfig b/drivers/media/video/cx23885/Kconfig
@@ -0,0 +1,17 @@
+config VIDEO_CX23885
+	tristate "Conexant cx23885 (2388x successor) support"
+	depends on VIDEO_DEV && PCI && I2C
+	select I2C_ALGOBIT
+	select FW_LOADER
+	select VIDEO_BTCX
+	select VIDEO_BUF
+	select VIDEO_TUNER
+	select VIDEO_TVEEPROM
+	select VIDEO_IR
+	---help---
+	  This is a video4linux driver for Conexant 23885 based
+	  TV cards.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called cx23885
+
diff --git a/drivers/media/video/cx23885/Makefile b/drivers/media/video/cx23885/Makefile
@@ -0,0 +1,9 @@
+cx23885-objs	:= cx23885-cards.o cx23885-core.o cx23885-i2c.o cx23885-dvb.o
+
+obj-$(CONFIG_VIDEO_CX23885) += cx23885.o
+
+EXTRA_CFLAGS += -Idrivers/media/video
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
+EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
+
+EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m)
diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
@@ -0,0 +1,198 @@
+/*
+ *  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/init.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include "cx23885.h"
+
+/* ------------------------------------------------------------------ */
+/* board config info                                                  */
+
+struct cx23885_board cx23885_boards[] = {
+	[CX23885_BOARD_UNKNOWN] = {
+		.name		= "UNKNOWN/GENERIC",
+		.bridge		= CX23885_BRIDGE_UNDEFINED,
+		.input          = {{
+			.type   = CX23885_VMUX_COMPOSITE1,
+			.vmux   = 0,
+		},{
+			.type   = CX23885_VMUX_COMPOSITE2,
+			.vmux   = 1,
+		},{
+			.type   = CX23885_VMUX_COMPOSITE3,
+			.vmux   = 2,
+		},{
+			.type   = CX23885_VMUX_COMPOSITE4,
+			.vmux   = 3,
+		}},
+	},
+	[CX23885_BOARD_HAUPPAUGE_HVR1800lp] = {
+		.name		= "Hauppauge WinTV-HVR1800lp",
+		.bridge		= CX23885_BRIDGE_885,
+		.portc		= CX23885_MPEG_DVB,
+		.input          = {{
+			.type   = CX23885_VMUX_TELEVISION,
+			.vmux   = 0,
+			.gpio0  = 0xff00,
+		},{
+			.type   = CX23885_VMUX_DEBUG,
+			.vmux   = 0,
+			.gpio0  = 0xff01,
+		},{
+			.type   = CX23885_VMUX_COMPOSITE1,
+			.vmux   = 1,
+			.gpio0  = 0xff02,
+		},{
+			.type   = CX23885_VMUX_SVIDEO,
+			.vmux   = 2,
+			.gpio0  = 0xff02,
+		}},
+	},
+	[CX23885_BOARD_HAUPPAUGE_HVR1800] = {
+		.name		= "Hauppauge WinTV-HVR1800",
+		.bridge		= CX23885_BRIDGE_887,
+		.portc		= CX23885_MPEG_DVB,
+		.input          = {{
+			.type   = CX23885_VMUX_TELEVISION,
+			.vmux   = 0,
+			.gpio0  = 0xff00,
+		},{
+			.type   = CX23885_VMUX_DEBUG,
+			.vmux   = 0,
+			.gpio0  = 0xff01,
+		},{
+			.type   = CX23885_VMUX_COMPOSITE1,
+			.vmux   = 1,
+			.gpio0  = 0xff02,
+		},{
+			.type   = CX23885_VMUX_SVIDEO,
+			.vmux   = 2,
+			.gpio0  = 0xff02,
+		}},
+	},
+};
+const unsigned int cx23885_bcount = ARRAY_SIZE(cx23885_boards);
+
+/* ------------------------------------------------------------------ */
+/* PCI subsystem IDs                                                  */
+
+struct cx23885_subid cx23885_subids[] = {
+	{
+		.subvendor = 0x0070,
+		.subdevice = 0x3400,
+		.card      = CX23885_BOARD_UNKNOWN,
+	},{
+		.subvendor = 0x0070,
+		.subdevice = 0x7600,
+		.card      = CX23885_BOARD_HAUPPAUGE_HVR1800lp,
+	},{
+		.subvendor = 0x0070,
+		.subdevice = 0x7800,
+		.card      = CX23885_BOARD_HAUPPAUGE_HVR1800,
+	},{
+		.subvendor = 0x0070,
+		.subdevice = 0x7801,
+		.card      = CX23885_BOARD_HAUPPAUGE_HVR1800,
+	},
+};
+const unsigned int cx23885_idcount = ARRAY_SIZE(cx23885_subids);
+
+void cx23885_card_list(struct cx23885_dev *dev)
+{
+	int i;
+
+	if (0 == dev->pci->subsystem_vendor &&
+	    0 == dev->pci->subsystem_device) {
+		printk("%s: Your board has no valid PCIe Subsystem ID and thus can't\n"
+		       "%s: be autodetected.  Please pass card=<n> insmod option to\n"
+		       "%s: workaround that.  Redirect complaints to the vendor of\n"
+		       "%s: the TV card.  Best regards,\n"
+		       "%s:         -- tux\n",
+		       dev->name, dev->name, dev->name, dev->name, dev->name);
+	} else {
+		printk("%s: Your board isn't known (yet) to the driver.  You can\n"
+		       "%s: try to pick one of the existing card configs via\n"
+		       "%s: card=<n> insmod option.  Updating to the latest\n"
+		       "%s: version might help as well.\n",
+		       dev->name, dev->name, dev->name, dev->name);
+	}
+	printk("%s: Here is a list of valid choices for the card=<n> insmod option:\n",
+	       dev->name);
+	for (i = 0; i < cx23885_bcount; i++)
+		printk("%s:    card=%d -> %s\n",
+		       dev->name, i, cx23885_boards[i].name);
+}
+
+static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
+{
+	struct tveeprom tv;
+
+	tveeprom_hauppauge_analog(&dev->i2c_bus[0].i2c_client, &tv, eeprom_data);
+
+
+	/* Make sure we support the board model */
+	switch (tv.model)
+	{
+	case 76601: /* WinTV-HVR1800lp (PCIe, Retail, No IR, Dual channel ATSC and MPEG2 HW Encoder */
+	case 77001: /* WinTV-HVR1500 (Express Card, Retail, No IR, ATSC and Basic analog */
+	case 78501: /* WinTV-HVR1800 (PCIe, Retail, IR, Dual channel ATSC and MPEG2 HW Encoder */
+	case 78521: /* WinTV-HVR1800 (PCIe, Retail, IR, Dual channel ATSC and MPEG2 HW Encoder */
+		break;
+	default:
+		printk("%s: warning: unknown hauppauge model #%d\n", dev->name, tv.model);
+		break;
+	}
+
+	printk(KERN_INFO "%s: hauppauge eeprom: model=%d\n",
+			dev->name, tv.model);
+}
+
+void cx23885_card_setup(struct cx23885_dev *dev)
+{
+	static u8 eeprom[256];
+
+	if (dev->i2c_bus[0].i2c_rc == 0) {
+		dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
+		tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom, sizeof(eeprom));
+	}
+
+	switch (dev->board) {
+	case CX23885_BOARD_HAUPPAUGE_HVR1800:
+	case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
+		if (dev->i2c_bus[0].i2c_rc == 0)
+			hauppauge_eeprom(dev, eeprom+0x80);
+		break;
+	}
+}
+
+/* ------------------------------------------------------------------ */
+
+EXPORT_SYMBOL(cx23885_boards);
+
+/*
+ * 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
+ */