+++ /dev/null
-/*
- dpc7146.c - v4l2 driver for the dpc7146 demonstration board
-
- Copyright (C) 2000-2003 Michael Hunold <michael@mihu.de>
-
- 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.
-*/
-
-#define DEBUG_VARIABLE debug
-
-#include <media/saa7146_vv.h>
-#include <linux/video_decoder.h> /* for saa7111a */
-
-#define I2C_SAA7111A 0x24
-
-/* All unused bytes are reserverd. */
-#define SAA711X_CHIP_VERSION 0x00
-#define SAA711X_ANALOG_INPUT_CONTROL_1 0x02
-#define SAA711X_ANALOG_INPUT_CONTROL_2 0x03
-#define SAA711X_ANALOG_INPUT_CONTROL_3 0x04
-#define SAA711X_ANALOG_INPUT_CONTROL_4 0x05
-#define SAA711X_HORIZONTAL_SYNC_START 0x06
-#define SAA711X_HORIZONTAL_SYNC_STOP 0x07
-#define SAA711X_SYNC_CONTROL 0x08
-#define SAA711X_LUMINANCE_CONTROL 0x09
-#define SAA711X_LUMINANCE_BRIGHTNESS 0x0A
-#define SAA711X_LUMINANCE_CONTRAST 0x0B
-#define SAA711X_CHROMA_SATURATION 0x0C
-#define SAA711X_CHROMA_HUE_CONTROL 0x0D
-#define SAA711X_CHROMA_CONTROL 0x0E
-#define SAA711X_FORMAT_DELAY_CONTROL 0x10
-#define SAA711X_OUTPUT_CONTROL_1 0x11
-#define SAA711X_OUTPUT_CONTROL_2 0x12
-#define SAA711X_OUTPUT_CONTROL_3 0x13
-#define SAA711X_V_GATE_1_START 0x15
-#define SAA711X_V_GATE_1_STOP 0x16
-#define SAA711X_V_GATE_1_MSB 0x17
-#define SAA711X_TEXT_SLICER_STATUS 0x1A
-#define SAA711X_DECODED_BYTES_OF_TS_1 0x1B
-#define SAA711X_DECODED_BYTES_OF_TS_2 0x1C
-#define SAA711X_STATUS_BYTE 0x1F
-
-#define DPC_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
-
-static int debug;
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "debug verbosity");
-
-static int dpc_num;
-
-#define DPC_INPUTS 2
-static struct v4l2_input dpc_inputs[DPC_INPUTS] = {
- { 0, "Port A", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
- { 1, "Port B", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
-};
-
-#define DPC_AUDIOS 0
-
-static struct saa7146_extension_ioctls ioctls[] = {
- { VIDIOC_G_INPUT, SAA7146_EXCLUSIVE },
- { VIDIOC_S_INPUT, SAA7146_EXCLUSIVE },
- { VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE },
- { VIDIOC_S_STD, SAA7146_AFTER },
- { 0, 0 }
-};
-
-struct dpc
-{
- struct video_device *video_dev;
- struct video_device *vbi_dev;
-
- struct i2c_adapter i2c_adapter;
- struct i2c_client *saa7111a;
-
- int cur_input; /* current input */
-};
-
-static int dpc_check_clients(struct device *dev, void *data)
-{
- struct dpc* dpc = data;
- struct i2c_client *client = i2c_verify_client(dev);
-
- if( !client )
- return 0;
-
- if( I2C_SAA7111A == client->addr )
- dpc->saa7111a = client;
-
- return 0;
-}
-
-/* fixme: add vbi stuff here */
-static int dpc_probe(struct saa7146_dev* dev)
-{
- struct dpc* dpc = NULL;
-
- dpc = kzalloc(sizeof(struct dpc), GFP_KERNEL);
- if( NULL == dpc ) {
- printk("dpc_v4l2.o: dpc_probe: not enough kernel memory.\n");
- return -ENOMEM;
- }
-
- /* FIXME: enable i2c-port pins, video-port-pins
- video port pins should be enabled here ?! */
- saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
-
- dpc->i2c_adapter = (struct i2c_adapter) {
- .class = I2C_CLASS_TV_ANALOG,
- .name = "dpc7146",
- };
- saa7146_i2c_adapter_prepare(dev, &dpc->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
- if(i2c_add_adapter(&dpc->i2c_adapter) < 0) {
- DEB_S(("cannot register i2c-device. skipping.\n"));
- kfree(dpc);
- return -EFAULT;
- }
-
- /* loop through all i2c-devices on the bus and look who is there */
- device_for_each_child(&dpc->i2c_adapter.dev, dpc, dpc_check_clients);
-
- /* check if all devices are present */
- if (!dpc->saa7111a) {
- DEB_D(("dpc_v4l2.o: dpc_attach failed for this device.\n"));
- i2c_del_adapter(&dpc->i2c_adapter);
- kfree(dpc);
- return -ENODEV;
- }
-
- /* all devices are present, probe was successful */
- DEB_D(("dpc_v4l2.o: dpc_probe succeeded for this device.\n"));
-
- /* we store the pointer in our private data field */
- dev->ext_priv = dpc;
-
- return 0;
-}
-
-/* bring hardware to a sane state. this has to be done, just in case someone
- wants to capture from this device before it has been properly initialized.
- the capture engine would badly fail, because no valid signal arrives on the
- saa7146, thus leading to timeouts and stuff. */
-static int dpc_init_done(struct saa7146_dev* dev)
-{
- struct dpc* dpc = (struct dpc*)dev->ext_priv;
-
- DEB_D(("dpc_v4l2.o: dpc_init_done called.\n"));
-
- /* initialize the helper ics to useful values */
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x00, 0x11);
-
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x02, 0xc0);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x03, 0x30);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x04, 0x00);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x05, 0x00);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x06, 0xde);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x07, 0xad);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x08, 0xa8);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x09, 0x00);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x0a, 0x80);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x0b, 0x47);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x0c, 0x40);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x0d, 0x00);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x0e, 0x03);
-
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x10, 0xd0);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x11, 0x1c);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x12, 0xc1);
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x13, 0x30);
-
- i2c_smbus_write_byte_data(dpc->saa7111a, 0x1f, 0x81);
-
- return 0;
-}
-
-static struct saa7146_ext_vv vv_data;
-
-/* this function only gets called when the probing was successful */
-static int dpc_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
-{
- struct dpc* dpc = (struct dpc*)dev->ext_priv;
-
- DEB_D(("dpc_v4l2.o: dpc_attach called.\n"));
-
- /* checking for i2c-devices can be omitted here, because we
- already did this in "dpc_vl42_probe" */
-
- saa7146_vv_init(dev,&vv_data);
- if( 0 != saa7146_register_device(&dpc->video_dev, dev, "dpc", VFL_TYPE_GRABBER)) {
- ERR(("cannot register capture v4l2 device. skipping.\n"));
- return -1;
- }
-
- /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
- if( 0 != DPC_BOARD_CAN_DO_VBI(dev)) {
- if( 0 != saa7146_register_device(&dpc->vbi_dev, dev, "dpc", VFL_TYPE_VBI)) {
- ERR(("cannot register vbi v4l2 device. skipping.\n"));
- }
- }
-
- i2c_use_client(dpc->saa7111a);
-
- printk("dpc: found 'dpc7146 demonstration board'-%d.\n",dpc_num);
- dpc_num++;
-
- /* the rest */
- dpc->cur_input = 0;
- dpc_init_done(dev);
-
- return 0;
-}
-
-static int dpc_detach(struct saa7146_dev* dev)
-{
- struct dpc* dpc = (struct dpc*)dev->ext_priv;
-
- DEB_EE(("dev:%p\n",dev));
-
- i2c_release_client(dpc->saa7111a);
-
- saa7146_unregister_device(&dpc->video_dev,dev);
- if( 0 != DPC_BOARD_CAN_DO_VBI(dev)) {
- saa7146_unregister_device(&dpc->vbi_dev,dev);
- }
- saa7146_vv_release(dev);
-
- dpc_num--;
-
- i2c_del_adapter(&dpc->i2c_adapter);
- kfree(dpc);
- return 0;
-}
-
-#ifdef axa
-int dpc_vbi_bypass(struct saa7146_dev* dev)
-{
- struct dpc* dpc = (struct dpc*)dev->ext_priv;
-
- int i = 1;
-
- /* switch bypass in saa7111a */
- if ( 0 != dpc->saa7111a->driver->command(dpc->saa7111a,SAA711X_VBI_BYPASS, &i)) {
- printk("dpc_v4l2.o: VBI_BYPASS: could not address saa7111a.\n");
- return -1;
- }
-
- return 0;
-}
-#endif
-
-static int dpc_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
-{
- struct saa7146_dev *dev = fh->dev;
- struct dpc* dpc = (struct dpc*)dev->ext_priv;
-/*
- struct saa7146_vv *vv = dev->vv_data;
-*/
- switch(cmd)
- {
- case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *i = arg;
- DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
-
- if( i->index < 0 || i->index >= DPC_INPUTS) {
- return -EINVAL;
- }
-
- memcpy(i, &dpc_inputs[i->index], sizeof(struct v4l2_input));
-
- DEB_D(("dpc_v4l2.o: v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n",i->index));
- return 0;
- }
- case VIDIOC_G_INPUT:
- {
- int *input = (int *)arg;
- *input = dpc->cur_input;
-
- DEB_D(("dpc_v4l2.o: VIDIOC_G_INPUT: %d\n",*input));
- return 0;
- }
- case VIDIOC_S_INPUT:
- {
- int input = *(int *)arg;
-
- if (input < 0 || input >= DPC_INPUTS) {
- return -EINVAL;
- }
-
- dpc->cur_input = input;
-
- /* fixme: switch input here, switch audio, too! */
-// saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
- printk("dpc_v4l2.o: VIDIOC_S_INPUT: fixme switch input.\n");
-
- return 0;
- }
- default:
-/*
- DEB_D(("dpc_v4l2.o: v4l2_ioctl does not handle this ioctl.\n"));
-*/
- return -ENOIOCTLCMD;
- }
- return 0;
-}
-
-static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
-{
- return 0;
-}
-
-static struct saa7146_standard standard[] = {
- {
- .name = "PAL", .id = V4L2_STD_PAL,
- .v_offset = 0x17, .v_field = 288,
- .h_offset = 0x14, .h_pixels = 680,
- .v_max_out = 576, .h_max_out = 768,
- }, {
- .name = "NTSC", .id = V4L2_STD_NTSC,
- .v_offset = 0x16, .v_field = 240,
- .h_offset = 0x06, .h_pixels = 708,
- .v_max_out = 480, .h_max_out = 640,
- }, {
- .name = "SECAM", .id = V4L2_STD_SECAM,
- .v_offset = 0x14, .v_field = 288,
- .h_offset = 0x14, .h_pixels = 720,
- .v_max_out = 576, .h_max_out = 768,
- }
-};
-
-static struct saa7146_extension extension;
-
-static struct saa7146_pci_extension_data dpc = {
- .ext_priv = "Multimedia eXtension Board",
- .ext = &extension,
-};
-
-static struct pci_device_id pci_tbl[] = {
- {
- .vendor = PCI_VENDOR_ID_PHILIPS,
- .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
- .subvendor = 0x0000,
- .subdevice = 0x0000,
- .driver_data = (unsigned long)&dpc,
- }, {
- .vendor = 0,
- }
-};
-
-MODULE_DEVICE_TABLE(pci, pci_tbl);
-
-static struct saa7146_ext_vv vv_data = {
- .inputs = DPC_INPUTS,
- .capabilities = V4L2_CAP_VBI_CAPTURE,
- .stds = &standard[0],
- .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
- .std_callback = &std_callback,
- .ioctls = &ioctls[0],
- .ioctl = dpc_ioctl,
-};
-
-static struct saa7146_extension extension = {
- .name = "dpc7146 demonstration board",
- .flags = SAA7146_USE_I2C_IRQ,
-
- .pci_tbl = &pci_tbl[0],
- .module = THIS_MODULE,
-
- .probe = dpc_probe,
- .attach = dpc_attach,
- .detach = dpc_detach,
-
- .irq_mask = 0,
- .irq_func = NULL,
-};
-
-static int __init dpc_init_module(void)
-{
- if( 0 != saa7146_register_extension(&extension)) {
- DEB_S(("failed to register extension.\n"));
- return -ENODEV;
- }
-
- return 0;
-}
-
-static void __exit dpc_cleanup_module(void)
-{
- saa7146_unregister_extension(&extension);
-}
-
-module_init(dpc_init_module);
-module_exit(dpc_cleanup_module);
-
-MODULE_DESCRIPTION("video4linux-2 driver for the 'dpc7146 demonstration board'");
-MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
-MODULE_LICENSE("GPL");
projects / linux-2.6-omap-h63xx.git / commitdiff