X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fmedia%2Fpci%2Fsaa7146%2Fhexium_gemini.c;fp=kernel%2Fdrivers%2Fmedia%2Fpci%2Fsaa7146%2Fhexium_gemini.c;h=03cbcd2095c6e18848cdb47ce399843fb9406f78;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git

diff --git a/kernel/drivers/media/pci/saa7146/hexium_gemini.c b/kernel/drivers/media/pci/saa7146/hexium_gemini.c
new file mode 100644
index 000000000..03cbcd209
--- /dev/null
+++ b/kernel/drivers/media/pci/saa7146/hexium_gemini.c
@@ -0,0 +1,430 @@
+/*
+    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");