--- /dev/null
+/*
+ hexium_gemini.c - v4l2 driver for Hexium Gemini frame grabber cards
+
+ Visit http://www.mihu.de/linux/saa7146/ and follow the link
+ to "hexium" for further details about this card.
+
+ Copyright (C) 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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define DEBUG_VARIABLE debug
+
+#include <media/saa7146_vv.h>
+#include <linux/module.h>
+
+static int debug;
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "debug verbosity");
+
+/* global variables */
+static int hexium_num;
+
+#define HEXIUM_GEMINI 4
+#define HEXIUM_GEMINI_DUAL 5
+
+#define HEXIUM_INPUTS 9
+static struct v4l2_input hexium_inputs[HEXIUM_INPUTS] = {
+ { 0, "CVBS 1", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ { 1, "CVBS 2", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ { 2, "CVBS 3", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ { 3, "CVBS 4", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ { 4, "CVBS 5", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ { 5, "CVBS 6", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ { 6, "Y/C 1", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ { 7, "Y/C 2", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+ { 8, "Y/C 3", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
+};
+
+#define HEXIUM_AUDIOS 0
+
+struct hexium_data
+{
+ s8 adr;
+ u8 byte;
+};
+
+#define HEXIUM_GEMINI_V_1_0 1
+#define HEXIUM_GEMINI_DUAL_V_1_0 2
+
+struct hexium
+{
+ int type;
+
+ struct video_device video_dev;
+ struct i2c_adapter i2c_adapter;
+
+ int cur_input; /* current input */
+ v4l2_std_id cur_std; /* current standard */
+};
+
+/* Samsung KS0127B decoder default registers */
+static u8 hexium_ks0127b[0x100]={
+/*00*/ 0x00,0x52,0x30,0x40,0x01,0x0C,0x2A,0x10,
+/*08*/ 0x00,0x00,0x00,0x60,0x00,0x00,0x0F,0x06,
+/*10*/ 0x00,0x00,0xE4,0xC0,0x00,0x00,0x00,0x00,
+/*18*/ 0x14,0x9B,0xFE,0xFF,0xFC,0xFF,0x03,0x22,
+/*20*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*28*/ 0x00,0x00,0x00,0x00,0x00,0x2C,0x9B,0x00,
+/*30*/ 0x00,0x00,0x10,0x80,0x80,0x10,0x80,0x80,
+/*38*/ 0x01,0x04,0x00,0x00,0x00,0x29,0xC0,0x00,
+/*40*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*48*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*50*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*58*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*60*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*68*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*70*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*78*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*80*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*88*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*90*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*98*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*A0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*A8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*B0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*B8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*C0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*C8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*D0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*D8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*E0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*E8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*F0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+/*F8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+};
+
+static struct hexium_data hexium_pal[] = {
+ { 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF }
+};
+
+static struct hexium_data hexium_ntsc[] = {
+ { 0x01, 0x53 }, { 0x12, 0x04 }, { 0x2D, 0x23 }, { 0x2E, 0x81 }, { -1 , 0xFF }
+};
+
+static struct hexium_data hexium_secam[] = {
+ { 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF }
+};
+
+static struct hexium_data hexium_input_select[] = {
+ { 0x02, 0x60 },
+ { 0x02, 0x64 },
+ { 0x02, 0x61 },
+ { 0x02, 0x65 },
+ { 0x02, 0x62 },
+ { 0x02, 0x66 },
+ { 0x02, 0x68 },
+ { 0x02, 0x69 },
+ { 0x02, 0x6A },
+};
+
+/* fixme: h_offset = 0 for Hexium Gemini *Dual*, which
+ are currently *not* supported*/
+static struct saa7146_standard hexium_standards[] = {
+ {
+ .name = "PAL", .id = V4L2_STD_PAL,
+ .v_offset = 28, .v_field = 288,
+ .h_offset = 1, .h_pixels = 680,
+ .v_max_out = 576, .h_max_out = 768,
+ }, {
+ .name = "NTSC", .id = V4L2_STD_NTSC,
+ .v_offset = 28, .v_field = 240,
+ .h_offset = 1, .h_pixels = 640,
+ .v_max_out = 480, .h_max_out = 640,
+ }, {
+ .name = "SECAM", .id = V4L2_STD_SECAM,
+ .v_offset = 28, .v_field = 288,
+ .h_offset = 1, .h_pixels = 720,
+ .v_max_out = 576, .h_max_out = 768,
+ }
+};
+
+/* 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 hexium_init_done(struct saa7146_dev *dev)
+{
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
+ union i2c_smbus_data data;
+ int i = 0;
+
+ DEB_D("hexium_init_done called\n");
+
+ /* initialize the helper ics to useful values */
+ for (i = 0; i < sizeof(hexium_ks0127b); i++) {
+ data.byte = hexium_ks0127b[i];
+ if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, i, I2C_SMBUS_BYTE_DATA, &data)) {
+ pr_err("hexium_init_done() failed for address 0x%02x\n",
+ i);
+ }
+ }
+
+ return 0;
+}
+
+static int hexium_set_input(struct hexium *hexium, int input)
+{
+ union i2c_smbus_data data;
+
+ DEB_D("\n");
+
+ data.byte = hexium_input_select[input].byte;
+ if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, hexium_input_select[input].adr, I2C_SMBUS_BYTE_DATA, &data)) {
+ return -1;
+ }
+
+ return 0;
+}
+
+static int hexium_set_standard(struct hexium *hexium, struct hexium_data *vdec)
+{
+ union i2c_smbus_data data;
+ int i = 0;
+
+ DEB_D("\n");
+
+ while (vdec[i].adr != -1) {
+ data.byte = vdec[i].byte;
+ if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, vdec[i].adr, I2C_SMBUS_BYTE_DATA, &data)) {
+ pr_err("hexium_init_done: hexium_set_standard() failed for address 0x%02x\n",
+ i);
+ return -1;
+ }
+ i++;
+ }
+ return 0;
+}
+
+static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
+{
+ DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index);
+
+ if (i->index >= HEXIUM_INPUTS)
+ return -EINVAL;
+
+ memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input));
+
+ DEB_D("v4l2_ioctl: VIDIOC_ENUMINPUT %d\n", i->index);
+ return 0;
+}
+
+static int vidioc_g_input(struct file *file, void *fh, unsigned int *input)
+{
+ struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
+
+ *input = hexium->cur_input;
+
+ DEB_D("VIDIOC_G_INPUT: %d\n", *input);
+ return 0;
+}
+
+static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
+{
+ struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
+
+ DEB_EE("VIDIOC_S_INPUT %d\n", input);
+
+ if (input >= HEXIUM_INPUTS)
+ return -EINVAL;
+
+ hexium->cur_input = input;
+ hexium_set_input(hexium, input);
+ return 0;
+}
+
+static struct saa7146_ext_vv vv_data;
+
+/* this function only gets called when the probing was successful */
+static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
+{
+ struct hexium *hexium;
+ int ret;
+
+ DEB_EE("\n");
+
+ hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
+ if (NULL == hexium) {
+ pr_err("not enough kernel memory in hexium_attach()\n");
+ return -ENOMEM;
+ }
+ dev->ext_priv = hexium;
+
+ /* enable i2c-port pins */
+ saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
+
+ hexium->i2c_adapter = (struct i2c_adapter) {
+ .name = "hexium gemini",
+ };
+ saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
+ if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {
+ DEB_S("cannot register i2c-device. skipping.\n");
+ kfree(hexium);
+ return -EFAULT;
+ }
+
+ /* set HWControl GPIO number 2 */
+ saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
+
+ saa7146_write(dev, DD1_INIT, 0x07000700);
+ saa7146_write(dev, DD1_STREAM_B, 0x00000000);
+ saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
+
+ /* the rest */
+ hexium->cur_input = 0;
+ hexium_init_done(dev);
+
+ hexium_set_standard(hexium, hexium_pal);
+ hexium->cur_std = V4L2_STD_PAL;
+
+ hexium_set_input(hexium, 0);
+ hexium->cur_input = 0;
+
+ saa7146_vv_init(dev, &vv_data);
+
+ vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
+ vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
+ vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
+ ret = saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_GRABBER);
+ if (ret < 0) {
+ pr_err("cannot register capture v4l2 device. skipping.\n");
+ return ret;
+ }
+
+ pr_info("found 'hexium gemini' frame grabber-%d\n", hexium_num);
+ hexium_num++;
+
+ return 0;
+}
+
+static int hexium_detach(struct saa7146_dev *dev)
+{
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
+
+ DEB_EE("dev:%p\n", dev);
+
+ saa7146_unregister_device(&hexium->video_dev, dev);
+ saa7146_vv_release(dev);
+
+ hexium_num--;
+
+ i2c_del_adapter(&hexium->i2c_adapter);
+ kfree(hexium);
+ return 0;
+}
+
+static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std)
+{
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
+
+ if (V4L2_STD_PAL == std->id) {
+ hexium_set_standard(hexium, hexium_pal);
+ hexium->cur_std = V4L2_STD_PAL;
+ return 0;
+ } else if (V4L2_STD_NTSC == std->id) {
+ hexium_set_standard(hexium, hexium_ntsc);
+ hexium->cur_std = V4L2_STD_NTSC;
+ return 0;
+ } else if (V4L2_STD_SECAM == std->id) {
+ hexium_set_standard(hexium, hexium_secam);
+ hexium->cur_std = V4L2_STD_SECAM;
+ return 0;
+ }
+
+ return -1;
+}
+
+static struct saa7146_extension hexium_extension;
+
+static struct saa7146_pci_extension_data hexium_gemini_4bnc = {
+ .ext_priv = "Hexium Gemini (4 BNC)",
+ .ext = &hexium_extension,
+};
+
+static struct saa7146_pci_extension_data hexium_gemini_dual_4bnc = {
+ .ext_priv = "Hexium Gemini Dual (4 BNC)",
+ .ext = &hexium_extension,
+};
+
+static struct pci_device_id pci_tbl[] = {
+ {
+ .vendor = PCI_VENDOR_ID_PHILIPS,
+ .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
+ .subvendor = 0x17c8,
+ .subdevice = 0x2401,
+ .driver_data = (unsigned long) &hexium_gemini_4bnc,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_PHILIPS,
+ .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
+ .subvendor = 0x17c8,
+ .subdevice = 0x2402,
+ .driver_data = (unsigned long) &hexium_gemini_dual_4bnc,
+ },
+ {
+ .vendor = 0,
+ }
+};
+
+MODULE_DEVICE_TABLE(pci, pci_tbl);
+
+static struct saa7146_ext_vv vv_data = {
+ .inputs = HEXIUM_INPUTS,
+ .capabilities = 0,
+ .stds = &hexium_standards[0],
+ .num_stds = sizeof(hexium_standards) / sizeof(struct saa7146_standard),
+ .std_callback = &std_callback,
+};
+
+static struct saa7146_extension hexium_extension = {
+ .name = "hexium gemini",
+ .flags = SAA7146_USE_I2C_IRQ,
+
+ .pci_tbl = &pci_tbl[0],
+ .module = THIS_MODULE,
+
+ .attach = hexium_attach,
+ .detach = hexium_detach,
+
+ .irq_mask = 0,
+ .irq_func = NULL,
+};
+
+static int __init hexium_init_module(void)
+{
+ if (0 != saa7146_register_extension(&hexium_extension)) {
+ DEB_S("failed to register extension\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static void __exit hexium_cleanup_module(void)
+{
+ saa7146_unregister_extension(&hexium_extension);
+}
+
+module_init(hexium_init_module);
+module_exit(hexium_cleanup_module);
+
+MODULE_DESCRIPTION("video4linux-2 driver for Hexium Gemini frame grabber cards");
+MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff