1 // SPDX-License-Identifier: GPL-2.0-or-later
3     hexium_gemini.c - v4l2 driver for Hexium Gemini frame grabber cards
16 #include <media/drv-intf/saa7146_vv.h>
103 	{ 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF }
107 	{ 0x01, 0x53 }, { 0x12, 0x04 }, { 0x2D, 0x23 }, { 0x2E, 0x81 }, { -1 , 0xFF }
111 	{ 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF }
126 /* fixme: h_offset = 0 for Hexium Gemini *Dual*, which
153 	struct hexium *hexium = (struct hexium *) dev->ext_priv;  in hexium_init_done()
162 …if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, i, I2C_SMBUS_BYTE_DATA, &d…  in hexium_init_done()
178 …if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, hexium_input_select[input]…  in hexium_set_input()
179 		return -1;  in hexium_set_input()
192 	while (vdec[i].adr != -1) {  in hexium_set_standard()
194 …if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, vdec[i].adr, I2C_SMBUS_BYT…  in hexium_set_standard()
197 			return -1;  in hexium_set_standard()
206 	DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index);  in vidioc_enum_input()
208 	if (i->index >= HEXIUM_INPUTS)  in vidioc_enum_input()
209 		return -EINVAL;  in vidioc_enum_input()
211 	memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input));  in vidioc_enum_input()
213 	DEB_D("v4l2_ioctl: VIDIOC_ENUMINPUT %d\n", i->index);  in vidioc_enum_input()
220 	struct hexium *hexium = (struct hexium *) dev->ext_priv;  in vidioc_g_input()
222 	*input = hexium->cur_input;  in vidioc_g_input()
231 	struct hexium *hexium = (struct hexium *) dev->ext_priv;  in vidioc_s_input()
236 		return -EINVAL;  in vidioc_s_input()
238 	hexium->cur_input = input;  in vidioc_s_input()
255 		return -ENOMEM;  in hexium_attach()
257 	dev->ext_priv = hexium;  in hexium_attach()
259 	/* enable i2c-port pins */  in hexium_attach()
262 	strscpy(hexium->i2c_adapter.name, "hexium gemini",  in hexium_attach()
263 		sizeof(hexium->i2c_adapter.name));  in hexium_attach()
264 	saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);  in hexium_attach()
265 	if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {  in hexium_attach()
266 		DEB_S("cannot register i2c-device. skipping.\n");  in hexium_attach()
268 		return -EFAULT;  in hexium_attach()
271 	/*  set HWControl GPIO number 2 */  in hexium_attach()
279 	hexium->cur_input = 0;  in hexium_attach()
283 	hexium->cur_std = V4L2_STD_PAL;  in hexium_attach()
286 	hexium->cur_input = 0;  in hexium_attach()
290 		i2c_del_adapter(&hexium->i2c_adapter);  in hexium_attach()
298 	ret = saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_VIDEO);  in hexium_attach()
302 		i2c_del_adapter(&hexium->i2c_adapter);  in hexium_attach()
307 	pr_info("found 'hexium gemini' frame grabber-%d\n", hexium_num);  in hexium_attach()
315 	struct hexium *hexium = (struct hexium *) dev->ext_priv;  in hexium_detach()
319 	saa7146_unregister_device(&hexium->video_dev, dev);  in hexium_detach()
322 	hexium_num--;  in hexium_detach()
324 	i2c_del_adapter(&hexium->i2c_adapter);  in hexium_detach()
331 	struct hexium *hexium = (struct hexium *) dev->ext_priv;  in std_callback()
333 	if (V4L2_STD_PAL == std->id) {  in std_callback()
335 		hexium->cur_std = V4L2_STD_PAL;  in std_callback()
337 	} else if (V4L2_STD_NTSC == std->id) {  in std_callback()
339 		hexium->cur_std = V4L2_STD_NTSC;  in std_callback()
341 	} else if (V4L2_STD_SECAM == std->id) {  in std_callback()
343 		hexium->cur_std = V4L2_STD_SECAM;  in std_callback()
347 	return -1;  in std_callback()
353 	.ext_priv = "Hexium Gemini (4 BNC)",
358 	.ext_priv = "Hexium Gemini Dual (4 BNC)",
393 	.name = "hexium gemini",
410 		return -ENODEV;  in hexium_init_module()
424 MODULE_DESCRIPTION("video4linux-2 driver for Hexium Gemini frame grabber cards");