V4L/DVB (6150): Add CX23885/CX23887 PCIe bridge driver (d19770e5) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/media/video/Makefile

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		@@ -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

drivers/media/video/cx23885/Kconfig

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		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

drivers/media/video/cx23885/Makefile

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		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)

drivers/media/video/cx23885/cx23885-cards.c

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		/*
		* 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
		*/

drivers/media/video/cx23885/cx23885-core.c

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