Merge branch 'drm-next' of ../main_line/linux-drm into dave-drm-next
[linux-2.6-block.git] / drivers / media / video / hexium_gemini.c
CommitLineData
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 31static int debug;
1da177e4
LT
32module_param(debug, int, 0);
33MODULE_PARM_DESC(debug, "debug verbosity");
34
35/* global variables */
ff699e6b 36static int hexium_num;
1da177e4
LT
37
38#define HEXIUM_GEMINI 4
39#define HEXIUM_GEMINI_DUAL 5
40
41#define HEXIUM_INPUTS 9
42static 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
56struct 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
65struct 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 */
77static 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
112static struct hexium_data hexium_pal[] = {
113 { 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF }
114};
115
1da177e4
LT
116static struct hexium_data hexium_ntsc[] = {
117 { 0x01, 0x53 }, { 0x12, 0x04 }, { 0x2D, 0x23 }, { 0x2E, 0x81 }, { -1 , 0xFF }
118};
119
1da177e4
LT
120static struct hexium_data hexium_secam[] = {
121 { 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF }
122};
123
124static 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*/
138static 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. */
161static 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
181static 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
195static 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
214static 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
227static 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
238static 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
253static struct saa7146_ext_vv vv_data;
254
255/* this function only gets called when the probing was successful */
256static 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
317static 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
333static 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
354static struct saa7146_extension hexium_extension;
355
356static struct saa7146_pci_extension_data hexium_gemini_4bnc = {
357 .ext_priv = "Hexium Gemini (4 BNC)",
358 .ext = &hexium_extension,
359};
360
361static struct saa7146_pci_extension_data hexium_gemini_dual_4bnc = {
362 .ext_priv = "Hexium Gemini Dual (4 BNC)",
363 .ext = &hexium_extension,
364};
365
366static 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
386MODULE_DEVICE_TABLE(pci, pci_tbl);
387
388static 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
396static 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
410static 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
420static void __exit hexium_cleanup_module(void)
421{
422 saa7146_unregister_extension(&hexium_extension);
423}
424
425module_init(hexium_init_module);
426module_exit(hexium_cleanup_module);
427
428MODULE_DESCRIPTION("video4linux-2 driver for Hexium Gemini frame grabber cards");
429MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
430MODULE_LICENSE("GPL");