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1da177e4 LT |
1 | /* |
2 | hexium_gemini.c - v4l2 driver for Hexium Gemini frame grabber cards | |
a8733ca5 | 3 | |
1da177e4 LT |
4 | Visit http://www.mihu.de/linux/saa7146/ and follow the link |
5 | to "hexium" for further details about this card. | |
a8733ca5 | 6 | |
1da177e4 LT |
7 | Copyright (C) 2003 Michael Hunold <michael@mihu.de> |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
44d0b80e JP |
24 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
25 | ||
1da177e4 LT |
26 | #define DEBUG_VARIABLE debug |
27 | ||
28 | #include <media/saa7146_vv.h> | |
7a707b89 | 29 | #include <linux/module.h> |
1da177e4 | 30 | |
ff699e6b | 31 | static int debug; |
1da177e4 LT |
32 | module_param(debug, int, 0); |
33 | MODULE_PARM_DESC(debug, "debug verbosity"); | |
34 | ||
35 | /* global variables */ | |
ff699e6b | 36 | static int hexium_num; |
1da177e4 LT |
37 | |
38 | #define HEXIUM_GEMINI 4 | |
39 | #define HEXIUM_GEMINI_DUAL 5 | |
40 | ||
41 | #define HEXIUM_INPUTS 9 | |
42 | static struct v4l2_input hexium_inputs[HEXIUM_INPUTS] = { | |
332e799c HV |
43 | { 0, "CVBS 1", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, |
44 | { 1, "CVBS 2", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, | |
45 | { 2, "CVBS 3", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, | |
46 | { 3, "CVBS 4", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, | |
47 | { 4, "CVBS 5", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, | |
48 | { 5, "CVBS 6", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, | |
49 | { 6, "Y/C 1", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, | |
50 | { 7, "Y/C 2", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, | |
51 | { 8, "Y/C 3", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, | |
1da177e4 LT |
52 | }; |
53 | ||
54 | #define HEXIUM_AUDIOS 0 | |
55 | ||
56 | struct hexium_data | |
57 | { | |
58 | s8 adr; | |
59 | u8 byte; | |
60 | }; | |
61 | ||
1da177e4 LT |
62 | #define HEXIUM_GEMINI_V_1_0 1 |
63 | #define HEXIUM_GEMINI_DUAL_V_1_0 2 | |
64 | ||
65 | struct hexium | |
66 | { | |
67 | int type; | |
68 | ||
69 | struct video_device *video_dev; | |
70 | struct i2c_adapter i2c_adapter; | |
a8733ca5 | 71 | |
1da177e4 LT |
72 | int cur_input; /* current input */ |
73 | v4l2_std_id cur_std; /* current standard */ | |
1da177e4 LT |
74 | }; |
75 | ||
76 | /* Samsung KS0127B decoder default registers */ | |
77 | static u8 hexium_ks0127b[0x100]={ | |
78 | /*00*/ 0x00,0x52,0x30,0x40,0x01,0x0C,0x2A,0x10, | |
79 | /*08*/ 0x00,0x00,0x00,0x60,0x00,0x00,0x0F,0x06, | |
80 | /*10*/ 0x00,0x00,0xE4,0xC0,0x00,0x00,0x00,0x00, | |
81 | /*18*/ 0x14,0x9B,0xFE,0xFF,0xFC,0xFF,0x03,0x22, | |
82 | /*20*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
83 | /*28*/ 0x00,0x00,0x00,0x00,0x00,0x2C,0x9B,0x00, | |
84 | /*30*/ 0x00,0x00,0x10,0x80,0x80,0x10,0x80,0x80, | |
85 | /*38*/ 0x01,0x04,0x00,0x00,0x00,0x29,0xC0,0x00, | |
86 | /*40*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
87 | /*48*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
88 | /*50*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
89 | /*58*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
90 | /*60*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
91 | /*68*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
92 | /*70*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
93 | /*78*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
94 | /*80*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
95 | /*88*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
96 | /*90*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
97 | /*98*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
98 | /*A0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
99 | /*A8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
100 | /*B0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
101 | /*B8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
102 | /*C0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
103 | /*C8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
104 | /*D0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
105 | /*D8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
106 | /*E0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
107 | /*E8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
108 | /*F0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, | |
109 | /*F8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 | |
110 | }; | |
111 | ||
112 | static struct hexium_data hexium_pal[] = { | |
113 | { 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF } | |
114 | }; | |
115 | ||
1da177e4 LT |
116 | static struct hexium_data hexium_ntsc[] = { |
117 | { 0x01, 0x53 }, { 0x12, 0x04 }, { 0x2D, 0x23 }, { 0x2E, 0x81 }, { -1 , 0xFF } | |
118 | }; | |
119 | ||
1da177e4 LT |
120 | static struct hexium_data hexium_secam[] = { |
121 | { 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF } | |
122 | }; | |
123 | ||
124 | static struct hexium_data hexium_input_select[] = { | |
125 | { 0x02, 0x60 }, | |
126 | { 0x02, 0x64 }, | |
127 | { 0x02, 0x61 }, | |
128 | { 0x02, 0x65 }, | |
129 | { 0x02, 0x62 }, | |
130 | { 0x02, 0x66 }, | |
131 | { 0x02, 0x68 }, | |
132 | { 0x02, 0x69 }, | |
133 | { 0x02, 0x6A }, | |
134 | }; | |
135 | ||
136 | /* fixme: h_offset = 0 for Hexium Gemini *Dual*, which | |
137 | are currently *not* supported*/ | |
138 | static struct saa7146_standard hexium_standards[] = { | |
139 | { | |
140 | .name = "PAL", .id = V4L2_STD_PAL, | |
141 | .v_offset = 28, .v_field = 288, | |
142 | .h_offset = 1, .h_pixels = 680, | |
143 | .v_max_out = 576, .h_max_out = 768, | |
144 | }, { | |
145 | .name = "NTSC", .id = V4L2_STD_NTSC, | |
146 | .v_offset = 28, .v_field = 240, | |
147 | .h_offset = 1, .h_pixels = 640, | |
148 | .v_max_out = 480, .h_max_out = 640, | |
149 | }, { | |
150 | .name = "SECAM", .id = V4L2_STD_SECAM, | |
151 | .v_offset = 28, .v_field = 288, | |
152 | .h_offset = 1, .h_pixels = 720, | |
153 | .v_max_out = 576, .h_max_out = 768, | |
154 | } | |
a8733ca5 | 155 | }; |
1da177e4 LT |
156 | |
157 | /* bring hardware to a sane state. this has to be done, just in case someone | |
158 | wants to capture from this device before it has been properly initialized. | |
159 | the capture engine would badly fail, because no valid signal arrives on the | |
160 | saa7146, thus leading to timeouts and stuff. */ | |
161 | static int hexium_init_done(struct saa7146_dev *dev) | |
162 | { | |
163 | struct hexium *hexium = (struct hexium *) dev->ext_priv; | |
164 | union i2c_smbus_data data; | |
165 | int i = 0; | |
166 | ||
44d0b80e | 167 | DEB_D("hexium_init_done called\n"); |
1da177e4 LT |
168 | |
169 | /* initialize the helper ics to useful values */ | |
170 | for (i = 0; i < sizeof(hexium_ks0127b); i++) { | |
171 | data.byte = hexium_ks0127b[i]; | |
172 | if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, i, I2C_SMBUS_BYTE_DATA, &data)) { | |
44d0b80e JP |
173 | pr_err("hexium_init_done() failed for address 0x%02x\n", |
174 | i); | |
1da177e4 LT |
175 | } |
176 | } | |
177 | ||
178 | return 0; | |
179 | } | |
180 | ||
181 | static int hexium_set_input(struct hexium *hexium, int input) | |
182 | { | |
183 | union i2c_smbus_data data; | |
184 | ||
44d0b80e | 185 | DEB_D("\n"); |
1da177e4 LT |
186 | |
187 | data.byte = hexium_input_select[input].byte; | |
188 | if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, hexium_input_select[input].adr, I2C_SMBUS_BYTE_DATA, &data)) { | |
189 | return -1; | |
190 | } | |
191 | ||
192 | return 0; | |
193 | } | |
194 | ||
195 | static int hexium_set_standard(struct hexium *hexium, struct hexium_data *vdec) | |
196 | { | |
197 | union i2c_smbus_data data; | |
198 | int i = 0; | |
199 | ||
44d0b80e | 200 | DEB_D("\n"); |
1da177e4 LT |
201 | |
202 | while (vdec[i].adr != -1) { | |
203 | data.byte = vdec[i].byte; | |
204 | if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, vdec[i].adr, I2C_SMBUS_BYTE_DATA, &data)) { | |
44d0b80e JP |
205 | pr_err("hexium_init_done: hexium_set_standard() failed for address 0x%02x\n", |
206 | i); | |
1da177e4 LT |
207 | return -1; |
208 | } | |
209 | i++; | |
210 | } | |
211 | return 0; | |
212 | } | |
213 | ||
b960074f HV |
214 | static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i) |
215 | { | |
44d0b80e | 216 | DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index); |
b960074f | 217 | |
223ffe5f | 218 | if (i->index >= HEXIUM_INPUTS) |
b960074f HV |
219 | return -EINVAL; |
220 | ||
221 | memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input)); | |
222 | ||
44d0b80e | 223 | DEB_D("v4l2_ioctl: VIDIOC_ENUMINPUT %d\n", i->index); |
b960074f HV |
224 | return 0; |
225 | } | |
226 | ||
227 | static int vidioc_g_input(struct file *file, void *fh, unsigned int *input) | |
228 | { | |
229 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | |
230 | struct hexium *hexium = (struct hexium *) dev->ext_priv; | |
231 | ||
232 | *input = hexium->cur_input; | |
233 | ||
44d0b80e | 234 | DEB_D("VIDIOC_G_INPUT: %d\n", *input); |
b960074f HV |
235 | return 0; |
236 | } | |
237 | ||
238 | static int vidioc_s_input(struct file *file, void *fh, unsigned int input) | |
239 | { | |
240 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | |
241 | struct hexium *hexium = (struct hexium *) dev->ext_priv; | |
242 | ||
44d0b80e | 243 | DEB_EE("VIDIOC_S_INPUT %d\n", input); |
b960074f | 244 | |
f14a2972 | 245 | if (input >= HEXIUM_INPUTS) |
b960074f HV |
246 | return -EINVAL; |
247 | ||
248 | hexium->cur_input = input; | |
249 | hexium_set_input(hexium, input); | |
250 | return 0; | |
251 | } | |
252 | ||
1da177e4 LT |
253 | static struct saa7146_ext_vv vv_data; |
254 | ||
255 | /* this function only gets called when the probing was successful */ | |
256 | static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info) | |
257 | { | |
f00fd919 | 258 | struct hexium *hexium; |
cd7d9beb | 259 | int ret; |
1da177e4 | 260 | |
44d0b80e | 261 | DEB_EE("\n"); |
1da177e4 | 262 | |
7408187d | 263 | hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL); |
1da177e4 | 264 | if (NULL == hexium) { |
44d0b80e | 265 | pr_err("not enough kernel memory in hexium_attach()\n"); |
1da177e4 LT |
266 | return -ENOMEM; |
267 | } | |
1da177e4 LT |
268 | dev->ext_priv = hexium; |
269 | ||
270 | /* enable i2c-port pins */ | |
271 | saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26)); | |
272 | ||
273 | hexium->i2c_adapter = (struct i2c_adapter) { | |
1da177e4 LT |
274 | .name = "hexium gemini", |
275 | }; | |
276 | saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); | |
277 | if (i2c_add_adapter(&hexium->i2c_adapter) < 0) { | |
44d0b80e | 278 | DEB_S("cannot register i2c-device. skipping.\n"); |
1da177e4 LT |
279 | kfree(hexium); |
280 | return -EFAULT; | |
281 | } | |
282 | ||
283 | /* set HWControl GPIO number 2 */ | |
284 | saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI); | |
285 | ||
286 | saa7146_write(dev, DD1_INIT, 0x07000700); | |
287 | saa7146_write(dev, DD1_STREAM_B, 0x00000000); | |
288 | saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); | |
289 | ||
290 | /* the rest */ | |
291 | hexium->cur_input = 0; | |
292 | hexium_init_done(dev); | |
293 | ||
294 | hexium_set_standard(hexium, hexium_pal); | |
295 | hexium->cur_std = V4L2_STD_PAL; | |
296 | ||
297 | hexium_set_input(hexium, 0); | |
298 | hexium->cur_input = 0; | |
299 | ||
300 | saa7146_vv_init(dev, &vv_data); | |
332e799c | 301 | |
ab49ae0f HV |
302 | vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; |
303 | vv_data.vid_ops.vidioc_g_input = vidioc_g_input; | |
304 | vv_data.vid_ops.vidioc_s_input = vidioc_s_input; | |
cd7d9beb HV |
305 | ret = saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_GRABBER); |
306 | if (ret < 0) { | |
44d0b80e | 307 | pr_err("cannot register capture v4l2 device. skipping.\n"); |
cd7d9beb | 308 | return ret; |
1da177e4 LT |
309 | } |
310 | ||
44d0b80e | 311 | pr_info("found 'hexium gemini' frame grabber-%d\n", hexium_num); |
1da177e4 LT |
312 | hexium_num++; |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
317 | static int hexium_detach(struct saa7146_dev *dev) | |
318 | { | |
319 | struct hexium *hexium = (struct hexium *) dev->ext_priv; | |
320 | ||
44d0b80e | 321 | DEB_EE("dev:%p\n", dev); |
1da177e4 LT |
322 | |
323 | saa7146_unregister_device(&hexium->video_dev, dev); | |
324 | saa7146_vv_release(dev); | |
325 | ||
326 | hexium_num--; | |
327 | ||
328 | i2c_del_adapter(&hexium->i2c_adapter); | |
329 | kfree(hexium); | |
330 | return 0; | |
331 | } | |
332 | ||
1da177e4 LT |
333 | static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std) |
334 | { | |
335 | struct hexium *hexium = (struct hexium *) dev->ext_priv; | |
336 | ||
337 | if (V4L2_STD_PAL == std->id) { | |
338 | hexium_set_standard(hexium, hexium_pal); | |
339 | hexium->cur_std = V4L2_STD_PAL; | |
340 | return 0; | |
341 | } else if (V4L2_STD_NTSC == std->id) { | |
342 | hexium_set_standard(hexium, hexium_ntsc); | |
343 | hexium->cur_std = V4L2_STD_NTSC; | |
344 | return 0; | |
345 | } else if (V4L2_STD_SECAM == std->id) { | |
346 | hexium_set_standard(hexium, hexium_secam); | |
347 | hexium->cur_std = V4L2_STD_SECAM; | |
348 | return 0; | |
349 | } | |
350 | ||
351 | return -1; | |
352 | } | |
353 | ||
354 | static struct saa7146_extension hexium_extension; | |
355 | ||
356 | static struct saa7146_pci_extension_data hexium_gemini_4bnc = { | |
357 | .ext_priv = "Hexium Gemini (4 BNC)", | |
358 | .ext = &hexium_extension, | |
359 | }; | |
360 | ||
361 | static struct saa7146_pci_extension_data hexium_gemini_dual_4bnc = { | |
362 | .ext_priv = "Hexium Gemini Dual (4 BNC)", | |
363 | .ext = &hexium_extension, | |
364 | }; | |
365 | ||
366 | static struct pci_device_id pci_tbl[] = { | |
367 | { | |
368 | .vendor = PCI_VENDOR_ID_PHILIPS, | |
369 | .device = PCI_DEVICE_ID_PHILIPS_SAA7146, | |
370 | .subvendor = 0x17c8, | |
371 | .subdevice = 0x2401, | |
372 | .driver_data = (unsigned long) &hexium_gemini_4bnc, | |
373 | }, | |
374 | { | |
375 | .vendor = PCI_VENDOR_ID_PHILIPS, | |
376 | .device = PCI_DEVICE_ID_PHILIPS_SAA7146, | |
377 | .subvendor = 0x17c8, | |
378 | .subdevice = 0x2402, | |
379 | .driver_data = (unsigned long) &hexium_gemini_dual_4bnc, | |
380 | }, | |
381 | { | |
382 | .vendor = 0, | |
383 | } | |
384 | }; | |
385 | ||
386 | MODULE_DEVICE_TABLE(pci, pci_tbl); | |
387 | ||
388 | static struct saa7146_ext_vv vv_data = { | |
389 | .inputs = HEXIUM_INPUTS, | |
390 | .capabilities = 0, | |
391 | .stds = &hexium_standards[0], | |
392 | .num_stds = sizeof(hexium_standards) / sizeof(struct saa7146_standard), | |
393 | .std_callback = &std_callback, | |
1da177e4 LT |
394 | }; |
395 | ||
396 | static struct saa7146_extension hexium_extension = { | |
397 | .name = "hexium gemini", | |
398 | .flags = SAA7146_USE_I2C_IRQ, | |
399 | ||
400 | .pci_tbl = &pci_tbl[0], | |
401 | .module = THIS_MODULE, | |
402 | ||
403 | .attach = hexium_attach, | |
404 | .detach = hexium_detach, | |
405 | ||
406 | .irq_mask = 0, | |
407 | .irq_func = NULL, | |
408 | }; | |
409 | ||
410 | static int __init hexium_init_module(void) | |
411 | { | |
412 | if (0 != saa7146_register_extension(&hexium_extension)) { | |
44d0b80e | 413 | DEB_S("failed to register extension\n"); |
1da177e4 LT |
414 | return -ENODEV; |
415 | } | |
416 | ||
417 | return 0; | |
418 | } | |
419 | ||
420 | static void __exit hexium_cleanup_module(void) | |
421 | { | |
422 | saa7146_unregister_extension(&hexium_extension); | |
423 | } | |
424 | ||
425 | module_init(hexium_init_module); | |
426 | module_exit(hexium_cleanup_module); | |
427 | ||
428 | MODULE_DESCRIPTION("video4linux-2 driver for Hexium Gemini frame grabber cards"); | |
429 | MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); | |
430 | MODULE_LICENSE("GPL"); |