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/*
* device driver for Techwell 68xx based cards
*
* Much of this code is derived from the cx88 and sa7134 drivers, which
* were in turn derived from the bt87x driver. The original work was by
* Gerd Knorr; more recently the code was enhanced by Mauro Carvalho Chehab,
* Hans Verkuil, Andy Walls and many others. Their work is gratefully
* acknowledged. Full credit goes to them - any problems within this code
* are mine.
*
* Copyright (C) 2009 William M. Brack <wbrack@mmm.com.hk>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/i2c.h> /* must appear before i2c-algo-bit.h */
#include <linux/i2c-algo-bit.h>
#include <media/v4l2-common.h>
#include <media/tveeprom.h>
#include "tw68.h"
#include "tw68-reg.h"
/* commly used strings */
#if 0
static char name_mute[] = "mute";
static char name_radio[] = "Radio";
static char name_tv[] = "Television";
static char name_tv_mono[] = "TV (mono only)";
static char name_svideo[] = "S-Video";
static char name_comp[] = "Composite";
#endif
static char name_comp1[] = "Composite1";
static char name_comp2[] = "Composite2";
static char name_comp3[] = "Composite3";
static char name_comp4[] = "Composite4";
/* ------------------------------------------------------------------ */
/* board config info */
/* If radio_type !=UNSET, radio_addr should be specified
*/
struct tw68_board tw68_boards[] = {
[TW68_BOARD_UNKNOWN] = {
.name = "GENERIC",
.tuner_type = TUNER_ABSENT,
.radio_type = UNSET,
.tuner_addr = ADDR_UNSET,
.radio_addr = ADDR_UNSET,
.inputs = {
{
.name = name_comp1,
.vmux = 0,
}, {
.name = name_comp2,
.vmux = 1,
}, {
.name = name_comp3,
.vmux = 2,
}, {
.name = name_comp4,
.vmux = 3,
}, { /* Must have a NULL entry at end of list */
.name = NULL,
.vmux = 0,
}
},
},
};
const unsigned int tw68_bcount = ARRAY_SIZE(tw68_boards);
/*
* Please add any new PCI IDs to: http://pci-ids.ucw.cz. This keeps
* the PCI ID database up to date. Note that the entries must be
* added under vendor 0x1797 (Techwell Inc.) as subsystem IDs.
*/
struct pci_device_id tw68_pci_tbl[] = {
{
.vendor = PCI_VENDOR_ID_TECHWELL,
.device = PCI_DEVICE_ID_6800,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = TW68_BOARD_UNKNOWN,
}, {
.vendor = PCI_VENDOR_ID_TECHWELL,
.device = PCI_DEVICE_ID_6801,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = TW68_BOARD_UNKNOWN,
}, {
.vendor = PCI_VENDOR_ID_TECHWELL,
.device = PCI_DEVICE_ID_6804,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = TW68_BOARD_UNKNOWN,
}, {
.vendor = PCI_VENDOR_ID_TECHWELL,
.device = PCI_DEVICE_ID_6816_1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = TW68_BOARD_UNKNOWN,
}, {
.vendor = PCI_VENDOR_ID_TECHWELL,
.device = PCI_DEVICE_ID_6816_2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = TW68_BOARD_UNKNOWN,
}, {
.vendor = PCI_VENDOR_ID_TECHWELL,
.device = PCI_DEVICE_ID_6816_3,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = TW68_BOARD_UNKNOWN,
}, {
.vendor = PCI_VENDOR_ID_TECHWELL,
.device = PCI_DEVICE_ID_6816_4,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = TW68_BOARD_UNKNOWN,
}, {
/* end of list */
}
};
MODULE_DEVICE_TABLE(pci, tw68_pci_tbl);
/* ------------------------------------------------------------ */
/* stuff done before i2c enabled */
int tw68_board_init1(struct tw68_dev *dev)
{
/* Clear GPIO outputs */
tw_writel(TW68_GPOE, 0);
/* Remainder of setup according to board ID */
switch (dev->board) {
case TW68_BOARD_UNKNOWN:
printk(KERN_INFO "%s: Unable to determine board type, "
"using generic values\n", dev->name);
break;
}
dev->input = dev->hw_input = &card_in(dev,0);
return 0;
}
int tw68_tuner_setup(struct tw68_dev *dev)
{
return 0;
}
/* stuff which needs working i2c */
int tw68_board_init2(struct tw68_dev *dev)
{
return 0;
}
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