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6ee73861 BS |
1 | /* |
2 | * Copyright (C) 2009 Francisco Jerez. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining | |
6 | * a copy of this software and associated documentation files (the | |
7 | * "Software"), to deal in the Software without restriction, including | |
8 | * without limitation the rights to use, copy, modify, merge, publish, | |
9 | * distribute, sublicense, and/or sell copies of the Software, and to | |
10 | * permit persons to whom the Software is furnished to do so, subject to | |
11 | * the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice (including the | |
14 | * next paragraph) shall be included in all copies or substantial | |
15 | * portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE | |
21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
24 | * | |
25 | */ | |
26 | ||
e0cd3608 PG |
27 | #include <linux/module.h> |
28 | ||
6ee73861 BS |
29 | #include "ch7006_priv.h" |
30 | ||
31 | /* DRM encoder functions */ | |
32 | ||
33 | static void ch7006_encoder_set_config(struct drm_encoder *encoder, | |
34 | void *params) | |
35 | { | |
36 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
37 | ||
6d6a413a | 38 | priv->params = *(struct ch7006_encoder_params *)params; |
6ee73861 BS |
39 | } |
40 | ||
41 | static void ch7006_encoder_destroy(struct drm_encoder *encoder) | |
42 | { | |
43 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
44 | ||
45 | drm_property_destroy(encoder->dev, priv->scale_property); | |
46 | ||
47 | kfree(priv); | |
48 | to_encoder_slave(encoder)->slave_priv = NULL; | |
49 | ||
50 | drm_i2c_encoder_destroy(encoder); | |
51 | } | |
52 | ||
53 | static void ch7006_encoder_dpms(struct drm_encoder *encoder, int mode) | |
54 | { | |
55 | struct i2c_client *client = drm_i2c_encoder_get_client(encoder); | |
56 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
57 | struct ch7006_state *state = &priv->state; | |
58 | ||
59 | ch7006_dbg(client, "\n"); | |
60 | ||
61 | if (mode == priv->last_dpms) | |
62 | return; | |
63 | priv->last_dpms = mode; | |
64 | ||
65 | ch7006_setup_power_state(encoder); | |
66 | ||
67 | ch7006_load_reg(client, state, CH7006_POWER); | |
68 | } | |
69 | ||
70 | static void ch7006_encoder_save(struct drm_encoder *encoder) | |
71 | { | |
72 | struct i2c_client *client = drm_i2c_encoder_get_client(encoder); | |
73 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
74 | ||
75 | ch7006_dbg(client, "\n"); | |
76 | ||
77 | ch7006_state_save(client, &priv->saved_state); | |
78 | } | |
79 | ||
80 | static void ch7006_encoder_restore(struct drm_encoder *encoder) | |
81 | { | |
82 | struct i2c_client *client = drm_i2c_encoder_get_client(encoder); | |
83 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
84 | ||
85 | ch7006_dbg(client, "\n"); | |
86 | ||
87 | ch7006_state_load(client, &priv->saved_state); | |
88 | } | |
89 | ||
90 | static bool ch7006_encoder_mode_fixup(struct drm_encoder *encoder, | |
e811f5ae | 91 | const struct drm_display_mode *mode, |
6ee73861 BS |
92 | struct drm_display_mode *adjusted_mode) |
93 | { | |
94 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
95 | ||
96 | /* The ch7006 is painfully picky with the input timings so no | |
97 | * custom modes for now... */ | |
98 | ||
99 | priv->mode = ch7006_lookup_mode(encoder, mode); | |
100 | ||
101 | return !!priv->mode; | |
102 | } | |
103 | ||
104 | static int ch7006_encoder_mode_valid(struct drm_encoder *encoder, | |
105 | struct drm_display_mode *mode) | |
106 | { | |
107 | if (ch7006_lookup_mode(encoder, mode)) | |
108 | return MODE_OK; | |
109 | else | |
110 | return MODE_BAD; | |
111 | } | |
112 | ||
113 | static void ch7006_encoder_mode_set(struct drm_encoder *encoder, | |
114 | struct drm_display_mode *drm_mode, | |
115 | struct drm_display_mode *adjusted_mode) | |
116 | { | |
117 | struct i2c_client *client = drm_i2c_encoder_get_client(encoder); | |
118 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
6d6a413a | 119 | struct ch7006_encoder_params *params = &priv->params; |
6ee73861 BS |
120 | struct ch7006_state *state = &priv->state; |
121 | uint8_t *regs = state->regs; | |
122 | struct ch7006_mode *mode = priv->mode; | |
123 | struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm]; | |
124 | int start_active; | |
125 | ||
126 | ch7006_dbg(client, "\n"); | |
127 | ||
128 | regs[CH7006_DISPMODE] = norm->dispmode | mode->dispmode; | |
129 | regs[CH7006_BWIDTH] = 0; | |
130 | regs[CH7006_INPUT_FORMAT] = bitf(CH7006_INPUT_FORMAT_FORMAT, | |
131 | params->input_format); | |
132 | ||
133 | regs[CH7006_CLKMODE] = CH7006_CLKMODE_SUBC_LOCK | |
134 | | bitf(CH7006_CLKMODE_XCM, params->xcm) | |
135 | | bitf(CH7006_CLKMODE_PCM, params->pcm); | |
136 | if (params->clock_mode) | |
137 | regs[CH7006_CLKMODE] |= CH7006_CLKMODE_MASTER; | |
138 | if (params->clock_edge) | |
139 | regs[CH7006_CLKMODE] |= CH7006_CLKMODE_POS_EDGE; | |
140 | ||
141 | start_active = (drm_mode->htotal & ~0x7) - (drm_mode->hsync_start & ~0x7); | |
142 | regs[CH7006_POV] = bitf(CH7006_POV_START_ACTIVE_8, start_active); | |
143 | regs[CH7006_START_ACTIVE] = bitf(CH7006_START_ACTIVE_0, start_active); | |
144 | ||
145 | regs[CH7006_INPUT_SYNC] = 0; | |
146 | if (params->sync_direction) | |
147 | regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_OUTPUT; | |
148 | if (params->sync_encoding) | |
149 | regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_EMBEDDED; | |
150 | if (drm_mode->flags & DRM_MODE_FLAG_PVSYNC) | |
151 | regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_PVSYNC; | |
152 | if (drm_mode->flags & DRM_MODE_FLAG_PHSYNC) | |
153 | regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_PHSYNC; | |
154 | ||
155 | regs[CH7006_DETECT] = 0; | |
156 | regs[CH7006_BCLKOUT] = 0; | |
157 | ||
158 | regs[CH7006_SUBC_INC3] = 0; | |
159 | if (params->pout_level) | |
160 | regs[CH7006_SUBC_INC3] |= CH7006_SUBC_INC3_POUT_3_3V; | |
161 | ||
162 | regs[CH7006_SUBC_INC4] = 0; | |
163 | if (params->active_detect) | |
164 | regs[CH7006_SUBC_INC4] |= CH7006_SUBC_INC4_DS_INPUT; | |
165 | ||
166 | regs[CH7006_PLL_CONTROL] = priv->saved_state.regs[CH7006_PLL_CONTROL]; | |
167 | ||
168 | ch7006_setup_levels(encoder); | |
169 | ch7006_setup_subcarrier(encoder); | |
170 | ch7006_setup_pll(encoder); | |
171 | ch7006_setup_power_state(encoder); | |
172 | ch7006_setup_properties(encoder); | |
173 | ||
174 | ch7006_state_load(client, state); | |
175 | } | |
176 | ||
177 | static enum drm_connector_status ch7006_encoder_detect(struct drm_encoder *encoder, | |
178 | struct drm_connector *connector) | |
179 | { | |
180 | struct i2c_client *client = drm_i2c_encoder_get_client(encoder); | |
181 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
182 | struct ch7006_state *state = &priv->state; | |
183 | int det; | |
184 | ||
185 | ch7006_dbg(client, "\n"); | |
186 | ||
187 | ch7006_save_reg(client, state, CH7006_DETECT); | |
188 | ch7006_save_reg(client, state, CH7006_POWER); | |
189 | ch7006_save_reg(client, state, CH7006_CLKMODE); | |
190 | ||
191 | ch7006_write(client, CH7006_POWER, CH7006_POWER_RESET | | |
192 | bitfs(CH7006_POWER_LEVEL, NORMAL)); | |
193 | ch7006_write(client, CH7006_CLKMODE, CH7006_CLKMODE_MASTER); | |
194 | ||
195 | ch7006_write(client, CH7006_DETECT, CH7006_DETECT_SENSE); | |
196 | ||
197 | ch7006_write(client, CH7006_DETECT, 0); | |
198 | ||
199 | det = ch7006_read(client, CH7006_DETECT); | |
200 | ||
201 | ch7006_load_reg(client, state, CH7006_CLKMODE); | |
202 | ch7006_load_reg(client, state, CH7006_POWER); | |
203 | ch7006_load_reg(client, state, CH7006_DETECT); | |
204 | ||
205 | if ((det & (CH7006_DETECT_SVIDEO_Y_TEST| | |
206 | CH7006_DETECT_SVIDEO_C_TEST| | |
207 | CH7006_DETECT_CVBS_TEST)) == 0) | |
208 | priv->subconnector = DRM_MODE_SUBCONNECTOR_SCART; | |
209 | else if ((det & (CH7006_DETECT_SVIDEO_Y_TEST| | |
210 | CH7006_DETECT_SVIDEO_C_TEST)) == 0) | |
211 | priv->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO; | |
212 | else if ((det & CH7006_DETECT_CVBS_TEST) == 0) | |
213 | priv->subconnector = DRM_MODE_SUBCONNECTOR_Composite; | |
214 | else | |
215 | priv->subconnector = DRM_MODE_SUBCONNECTOR_Unknown; | |
216 | ||
ec61c71d | 217 | drm_object_property_set_value(&connector->base, |
6ee73861 BS |
218 | encoder->dev->mode_config.tv_subconnector_property, |
219 | priv->subconnector); | |
220 | ||
221 | return priv->subconnector ? connector_status_connected : | |
222 | connector_status_disconnected; | |
223 | } | |
224 | ||
225 | static int ch7006_encoder_get_modes(struct drm_encoder *encoder, | |
226 | struct drm_connector *connector) | |
227 | { | |
228 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
229 | struct ch7006_mode *mode; | |
230 | int n = 0; | |
231 | ||
232 | for (mode = ch7006_modes; mode->mode.clock; mode++) { | |
233 | if (~mode->valid_scales & 1<<priv->scale || | |
234 | ~mode->valid_norms & 1<<priv->norm) | |
235 | continue; | |
236 | ||
237 | drm_mode_probed_add(connector, | |
238 | drm_mode_duplicate(encoder->dev, &mode->mode)); | |
239 | ||
240 | n++; | |
241 | } | |
242 | ||
243 | return n; | |
244 | } | |
245 | ||
246 | static int ch7006_encoder_create_resources(struct drm_encoder *encoder, | |
247 | struct drm_connector *connector) | |
248 | { | |
249 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
250 | struct drm_device *dev = encoder->dev; | |
251 | struct drm_mode_config *conf = &dev->mode_config; | |
252 | ||
253 | drm_mode_create_tv_properties(dev, NUM_TV_NORMS, ch7006_tv_norm_names); | |
254 | ||
d9bc3c02 | 255 | priv->scale_property = drm_property_create_range(dev, 0, "scale", 0, 2); |
6ee73861 | 256 | |
ec61c71d | 257 | drm_object_attach_property(&connector->base, conf->tv_select_subconnector_property, |
6ee73861 | 258 | priv->select_subconnector); |
ec61c71d | 259 | drm_object_attach_property(&connector->base, conf->tv_subconnector_property, |
6ee73861 | 260 | priv->subconnector); |
ec61c71d | 261 | drm_object_attach_property(&connector->base, conf->tv_left_margin_property, |
6ee73861 | 262 | priv->hmargin); |
ec61c71d | 263 | drm_object_attach_property(&connector->base, conf->tv_bottom_margin_property, |
6ee73861 | 264 | priv->vmargin); |
ec61c71d | 265 | drm_object_attach_property(&connector->base, conf->tv_mode_property, |
6ee73861 | 266 | priv->norm); |
ec61c71d | 267 | drm_object_attach_property(&connector->base, conf->tv_brightness_property, |
6ee73861 | 268 | priv->brightness); |
ec61c71d | 269 | drm_object_attach_property(&connector->base, conf->tv_contrast_property, |
6ee73861 | 270 | priv->contrast); |
ec61c71d | 271 | drm_object_attach_property(&connector->base, conf->tv_flicker_reduction_property, |
6ee73861 | 272 | priv->flicker); |
ec61c71d | 273 | drm_object_attach_property(&connector->base, priv->scale_property, |
6ee73861 BS |
274 | priv->scale); |
275 | ||
276 | return 0; | |
277 | } | |
278 | ||
279 | static int ch7006_encoder_set_property(struct drm_encoder *encoder, | |
280 | struct drm_connector *connector, | |
281 | struct drm_property *property, | |
282 | uint64_t val) | |
283 | { | |
284 | struct i2c_client *client = drm_i2c_encoder_get_client(encoder); | |
285 | struct ch7006_priv *priv = to_ch7006_priv(encoder); | |
286 | struct ch7006_state *state = &priv->state; | |
287 | struct drm_mode_config *conf = &encoder->dev->mode_config; | |
288 | struct drm_crtc *crtc = encoder->crtc; | |
289 | bool modes_changed = false; | |
290 | ||
291 | ch7006_dbg(client, "\n"); | |
292 | ||
293 | if (property == conf->tv_select_subconnector_property) { | |
294 | priv->select_subconnector = val; | |
295 | ||
296 | ch7006_setup_power_state(encoder); | |
297 | ||
298 | ch7006_load_reg(client, state, CH7006_POWER); | |
299 | ||
300 | } else if (property == conf->tv_left_margin_property) { | |
301 | priv->hmargin = val; | |
302 | ||
303 | ch7006_setup_properties(encoder); | |
304 | ||
305 | ch7006_load_reg(client, state, CH7006_POV); | |
306 | ch7006_load_reg(client, state, CH7006_HPOS); | |
307 | ||
308 | } else if (property == conf->tv_bottom_margin_property) { | |
309 | priv->vmargin = val; | |
310 | ||
311 | ch7006_setup_properties(encoder); | |
312 | ||
313 | ch7006_load_reg(client, state, CH7006_POV); | |
314 | ch7006_load_reg(client, state, CH7006_VPOS); | |
315 | ||
316 | } else if (property == conf->tv_mode_property) { | |
317 | if (connector->dpms != DRM_MODE_DPMS_OFF) | |
318 | return -EINVAL; | |
319 | ||
320 | priv->norm = val; | |
321 | ||
322 | modes_changed = true; | |
323 | ||
324 | } else if (property == conf->tv_brightness_property) { | |
325 | priv->brightness = val; | |
326 | ||
327 | ch7006_setup_levels(encoder); | |
328 | ||
329 | ch7006_load_reg(client, state, CH7006_BLACK_LEVEL); | |
330 | ||
331 | } else if (property == conf->tv_contrast_property) { | |
332 | priv->contrast = val; | |
333 | ||
334 | ch7006_setup_properties(encoder); | |
335 | ||
336 | ch7006_load_reg(client, state, CH7006_CONTRAST); | |
337 | ||
338 | } else if (property == conf->tv_flicker_reduction_property) { | |
339 | priv->flicker = val; | |
340 | ||
341 | ch7006_setup_properties(encoder); | |
342 | ||
343 | ch7006_load_reg(client, state, CH7006_FFILTER); | |
344 | ||
345 | } else if (property == priv->scale_property) { | |
346 | if (connector->dpms != DRM_MODE_DPMS_OFF) | |
347 | return -EINVAL; | |
348 | ||
349 | priv->scale = val; | |
350 | ||
351 | modes_changed = true; | |
352 | ||
353 | } else { | |
354 | return -EINVAL; | |
355 | } | |
356 | ||
357 | if (modes_changed) { | |
358 | drm_helper_probe_single_connector_modes(connector, 0, 0); | |
359 | ||
360 | /* Disable the crtc to ensure a full modeset is | |
361 | * performed whenever it's turned on again. */ | |
362 | if (crtc) { | |
363 | struct drm_mode_set modeset = { | |
364 | .crtc = crtc, | |
365 | }; | |
366 | ||
2d13b679 | 367 | drm_mode_set_config_internal(&modeset); |
6ee73861 BS |
368 | } |
369 | } | |
370 | ||
371 | return 0; | |
372 | } | |
373 | ||
374 | static struct drm_encoder_slave_funcs ch7006_encoder_funcs = { | |
375 | .set_config = ch7006_encoder_set_config, | |
376 | .destroy = ch7006_encoder_destroy, | |
377 | .dpms = ch7006_encoder_dpms, | |
378 | .save = ch7006_encoder_save, | |
379 | .restore = ch7006_encoder_restore, | |
380 | .mode_fixup = ch7006_encoder_mode_fixup, | |
381 | .mode_valid = ch7006_encoder_mode_valid, | |
382 | .mode_set = ch7006_encoder_mode_set, | |
383 | .detect = ch7006_encoder_detect, | |
384 | .get_modes = ch7006_encoder_get_modes, | |
385 | .create_resources = ch7006_encoder_create_resources, | |
386 | .set_property = ch7006_encoder_set_property, | |
387 | }; | |
388 | ||
389 | ||
390 | /* I2C driver functions */ | |
391 | ||
392 | static int ch7006_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
393 | { | |
394 | uint8_t addr = CH7006_VERSION_ID; | |
395 | uint8_t val; | |
396 | int ret; | |
397 | ||
398 | ch7006_dbg(client, "\n"); | |
399 | ||
400 | ret = i2c_master_send(client, &addr, sizeof(addr)); | |
401 | if (ret < 0) | |
402 | goto fail; | |
403 | ||
404 | ret = i2c_master_recv(client, &val, sizeof(val)); | |
405 | if (ret < 0) | |
406 | goto fail; | |
407 | ||
408 | ch7006_info(client, "Detected version ID: %x\n", val); | |
409 | ||
dc4a684a FJ |
410 | /* I don't know what this is for, but otherwise I get no |
411 | * signal. | |
412 | */ | |
413 | ch7006_write(client, 0x3d, 0x0); | |
414 | ||
6ee73861 BS |
415 | return 0; |
416 | ||
417 | fail: | |
418 | ch7006_err(client, "Error %d reading version ID\n", ret); | |
419 | ||
420 | return -ENODEV; | |
421 | } | |
422 | ||
423 | static int ch7006_remove(struct i2c_client *client) | |
424 | { | |
425 | ch7006_dbg(client, "\n"); | |
426 | ||
427 | return 0; | |
428 | } | |
429 | ||
0227a7fd | 430 | static int ch7006_resume(struct device *dev) |
0edeb0c0 | 431 | { |
0227a7fd | 432 | struct i2c_client *client = to_i2c_client(dev); |
0edeb0c0 | 433 | |
0edeb0c0 FJ |
434 | ch7006_dbg(client, "\n"); |
435 | ||
436 | ch7006_write(client, 0x3d, 0x0); | |
437 | ||
438 | return 0; | |
439 | } | |
440 | ||
6ee73861 BS |
441 | static int ch7006_encoder_init(struct i2c_client *client, |
442 | struct drm_device *dev, | |
443 | struct drm_encoder_slave *encoder) | |
444 | { | |
445 | struct ch7006_priv *priv; | |
446 | int i; | |
447 | ||
448 | ch7006_dbg(client, "\n"); | |
449 | ||
450 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
451 | if (!priv) | |
452 | return -ENOMEM; | |
453 | ||
454 | encoder->slave_priv = priv; | |
455 | encoder->slave_funcs = &ch7006_encoder_funcs; | |
456 | ||
457 | priv->norm = TV_NORM_PAL; | |
458 | priv->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic; | |
459 | priv->subconnector = DRM_MODE_SUBCONNECTOR_Unknown; | |
460 | priv->scale = 1; | |
461 | priv->contrast = 50; | |
462 | priv->brightness = 50; | |
463 | priv->flicker = 50; | |
464 | priv->hmargin = 50; | |
465 | priv->vmargin = 50; | |
466 | priv->last_dpms = -1; | |
c93ebb40 | 467 | priv->chip_version = ch7006_read(client, CH7006_VERSION_ID); |
6ee73861 BS |
468 | |
469 | if (ch7006_tv_norm) { | |
470 | for (i = 0; i < NUM_TV_NORMS; i++) { | |
471 | if (!strcmp(ch7006_tv_norm_names[i], ch7006_tv_norm)) { | |
472 | priv->norm = i; | |
473 | break; | |
474 | } | |
475 | } | |
476 | ||
477 | if (i == NUM_TV_NORMS) | |
478 | ch7006_err(client, "Invalid TV norm setting \"%s\".\n", | |
479 | ch7006_tv_norm); | |
480 | } | |
481 | ||
482 | if (ch7006_scale >= 0 && ch7006_scale <= 2) | |
483 | priv->scale = ch7006_scale; | |
484 | else | |
485 | ch7006_err(client, "Invalid scale setting \"%d\".\n", | |
486 | ch7006_scale); | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | static struct i2c_device_id ch7006_ids[] = { | |
492 | { "ch7006", 0 }, | |
493 | { } | |
494 | }; | |
495 | MODULE_DEVICE_TABLE(i2c, ch7006_ids); | |
496 | ||
0227a7fd MB |
497 | static const struct dev_pm_ops ch7006_pm_ops = { |
498 | .resume = ch7006_resume, | |
499 | }; | |
500 | ||
6ee73861 BS |
501 | static struct drm_i2c_encoder_driver ch7006_driver = { |
502 | .i2c_driver = { | |
503 | .probe = ch7006_probe, | |
504 | .remove = ch7006_remove, | |
505 | ||
506 | .driver = { | |
507 | .name = "ch7006", | |
0227a7fd | 508 | .pm = &ch7006_pm_ops, |
6ee73861 BS |
509 | }, |
510 | ||
511 | .id_table = ch7006_ids, | |
512 | }, | |
513 | ||
514 | .encoder_init = ch7006_encoder_init, | |
515 | }; | |
516 | ||
517 | ||
518 | /* Module initialization */ | |
519 | ||
520 | static int __init ch7006_init(void) | |
521 | { | |
522 | return drm_i2c_encoder_register(THIS_MODULE, &ch7006_driver); | |
523 | } | |
524 | ||
525 | static void __exit ch7006_exit(void) | |
526 | { | |
527 | drm_i2c_encoder_unregister(&ch7006_driver); | |
528 | } | |
529 | ||
530 | int ch7006_debug; | |
531 | module_param_named(debug, ch7006_debug, int, 0600); | |
532 | MODULE_PARM_DESC(debug, "Enable debug output."); | |
533 | ||
534 | char *ch7006_tv_norm; | |
535 | module_param_named(tv_norm, ch7006_tv_norm, charp, 0600); | |
536 | MODULE_PARM_DESC(tv_norm, "Default TV norm.\n" | |
537 | "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, PAL-60, NTSC-M, NTSC-J.\n" | |
538 | "\t\tDefault: PAL"); | |
539 | ||
540 | int ch7006_scale = 1; | |
541 | module_param_named(scale, ch7006_scale, int, 0600); | |
542 | MODULE_PARM_DESC(scale, "Default scale.\n" | |
543 | "\t\tSupported: 0 -> Select video modes with a higher blanking ratio.\n" | |
544 | "\t\t\t1 -> Select default video modes.\n" | |
545 | "\t\t\t2 -> Select video modes with a lower blanking ratio."); | |
546 | ||
547 | MODULE_AUTHOR("Francisco Jerez <currojerez@riseup.net>"); | |
548 | MODULE_DESCRIPTION("Chrontel ch7006 TV encoder driver"); | |
549 | MODULE_LICENSE("GPL and additional rights"); | |
550 | ||
551 | module_init(ch7006_init); | |
552 | module_exit(ch7006_exit); |