diff options
Diffstat (limited to 'drivers/media/video/dpc7146.c')
-rw-r--r-- | drivers/media/video/dpc7146.c | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/drivers/media/video/dpc7146.c b/drivers/media/video/dpc7146.c deleted file mode 100644 index 88d6df71d05..00000000000 --- a/drivers/media/video/dpc7146.c +++ /dev/null @@ -1,408 +0,0 @@ -/* - 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"); |