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7434a255 TR |
1 | /* |
2 | * | |
3 | * Copyright (c) 2012 Gilles Dartiguelongue, Thomas Richter | |
4 | * | |
5 | * All Rights Reserved. | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a | |
8 | * copy of this software and associated documentation files (the | |
9 | * "Software"), to deal in the Software without restriction, including | |
10 | * without limitation the rights to use, copy, modify, merge, publish, | |
11 | * distribute, sub license, and/or sell copies of the Software, and to | |
12 | * permit persons to whom the Software is furnished to do so, subject to | |
13 | * the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice (including the | |
16 | * next paragraph) shall be included in all copies or substantial portions | |
17 | * of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. | |
22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
23 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
24 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
25 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
26 | * | |
27 | */ | |
28 | ||
29 | #include "dvo.h" | |
30 | #include "i915_reg.h" | |
31 | #include "i915_drv.h" | |
32 | ||
33 | #define NS2501_VID 0x1305 | |
34 | #define NS2501_DID 0x6726 | |
35 | ||
36 | #define NS2501_VID_LO 0x00 | |
37 | #define NS2501_VID_HI 0x01 | |
38 | #define NS2501_DID_LO 0x02 | |
39 | #define NS2501_DID_HI 0x03 | |
40 | #define NS2501_REV 0x04 | |
41 | #define NS2501_RSVD 0x05 | |
42 | #define NS2501_FREQ_LO 0x06 | |
43 | #define NS2501_FREQ_HI 0x07 | |
44 | ||
45 | #define NS2501_REG8 0x08 | |
46 | #define NS2501_8_VEN (1<<5) | |
47 | #define NS2501_8_HEN (1<<4) | |
48 | #define NS2501_8_DSEL (1<<3) | |
49 | #define NS2501_8_BPAS (1<<2) | |
50 | #define NS2501_8_RSVD (1<<1) | |
51 | #define NS2501_8_PD (1<<0) | |
52 | ||
53 | #define NS2501_REG9 0x09 | |
54 | #define NS2501_9_VLOW (1<<7) | |
55 | #define NS2501_9_MSEL_MASK (0x7<<4) | |
56 | #define NS2501_9_TSEL (1<<3) | |
57 | #define NS2501_9_RSEN (1<<2) | |
58 | #define NS2501_9_RSVD (1<<1) | |
59 | #define NS2501_9_MDI (1<<0) | |
60 | ||
61 | #define NS2501_REGC 0x0c | |
62 | ||
63 | struct ns2501_priv { | |
64 | //I2CDevRec d; | |
65 | bool quiet; | |
66 | int reg_8_shadow; | |
67 | int reg_8_set; | |
68 | // Shadow registers for i915 | |
69 | int dvoc; | |
70 | int pll_a; | |
71 | int srcdim; | |
72 | int fw_blc; | |
73 | }; | |
74 | ||
75 | #define NSPTR(d) ((NS2501Ptr)(d->DriverPrivate.ptr)) | |
76 | ||
7434a255 TR |
77 | /* |
78 | * For reasons unclear to me, the ns2501 at least on the Fujitsu/Siemens | |
79 | * laptops does not react on the i2c bus unless | |
80 | * both the PLL is running and the display is configured in its native | |
81 | * resolution. | |
82 | * This function forces the DVO on, and stores the registers it touches. | |
83 | * Afterwards, registers are restored to regular values. | |
84 | * | |
85 | * This is pretty much a hack, though it works. | |
86 | * Without that, ns2501_readb and ns2501_writeb fail | |
87 | * when switching the resolution. | |
88 | */ | |
89 | ||
7434a255 TR |
90 | /* |
91 | ** Read a register from the ns2501. | |
92 | ** Returns true if successful, false otherwise. | |
93 | ** If it returns false, it might be wise to enable the | |
94 | ** DVO with the above function. | |
95 | */ | |
96 | static bool ns2501_readb(struct intel_dvo_device *dvo, int addr, uint8_t * ch) | |
97 | { | |
98 | struct ns2501_priv *ns = dvo->dev_priv; | |
99 | struct i2c_adapter *adapter = dvo->i2c_bus; | |
100 | u8 out_buf[2]; | |
101 | u8 in_buf[2]; | |
102 | ||
103 | struct i2c_msg msgs[] = { | |
104 | { | |
105 | .addr = dvo->slave_addr, | |
106 | .flags = 0, | |
107 | .len = 1, | |
108 | .buf = out_buf, | |
109 | }, | |
110 | { | |
111 | .addr = dvo->slave_addr, | |
112 | .flags = I2C_M_RD, | |
113 | .len = 1, | |
114 | .buf = in_buf, | |
115 | } | |
116 | }; | |
117 | ||
118 | out_buf[0] = addr; | |
119 | out_buf[1] = 0; | |
120 | ||
121 | if (i2c_transfer(adapter, msgs, 2) == 2) { | |
122 | *ch = in_buf[0]; | |
123 | return true; | |
124 | }; | |
125 | ||
126 | if (!ns->quiet) { | |
127 | DRM_DEBUG_KMS | |
128 | ("Unable to read register 0x%02x from %s:0x%02x.\n", addr, | |
129 | adapter->name, dvo->slave_addr); | |
130 | } | |
131 | ||
132 | return false; | |
133 | } | |
134 | ||
135 | /* | |
136 | ** Write a register to the ns2501. | |
137 | ** Returns true if successful, false otherwise. | |
138 | ** If it returns false, it might be wise to enable the | |
139 | ** DVO with the above function. | |
140 | */ | |
141 | static bool ns2501_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch) | |
142 | { | |
143 | struct ns2501_priv *ns = dvo->dev_priv; | |
144 | struct i2c_adapter *adapter = dvo->i2c_bus; | |
145 | uint8_t out_buf[2]; | |
146 | ||
147 | struct i2c_msg msg = { | |
148 | .addr = dvo->slave_addr, | |
149 | .flags = 0, | |
150 | .len = 2, | |
151 | .buf = out_buf, | |
152 | }; | |
153 | ||
154 | out_buf[0] = addr; | |
155 | out_buf[1] = ch; | |
156 | ||
157 | if (i2c_transfer(adapter, &msg, 1) == 1) { | |
158 | return true; | |
159 | } | |
160 | ||
161 | if (!ns->quiet) { | |
162 | DRM_DEBUG_KMS("Unable to write register 0x%02x to %s:%d\n", | |
163 | addr, adapter->name, dvo->slave_addr); | |
164 | } | |
165 | ||
166 | return false; | |
167 | } | |
168 | ||
169 | /* National Semiconductor 2501 driver for chip on i2c bus | |
170 | * scan for the chip on the bus. | |
171 | * Hope the VBIOS initialized the PLL correctly so we can | |
172 | * talk to it. If not, it will not be seen and not detected. | |
173 | * Bummer! | |
174 | */ | |
175 | static bool ns2501_init(struct intel_dvo_device *dvo, | |
176 | struct i2c_adapter *adapter) | |
177 | { | |
178 | /* this will detect the NS2501 chip on the specified i2c bus */ | |
179 | struct ns2501_priv *ns; | |
180 | unsigned char ch; | |
181 | ||
182 | ns = kzalloc(sizeof(struct ns2501_priv), GFP_KERNEL); | |
183 | if (ns == NULL) | |
184 | return false; | |
185 | ||
186 | dvo->i2c_bus = adapter; | |
187 | dvo->dev_priv = ns; | |
188 | ns->quiet = true; | |
189 | ||
190 | if (!ns2501_readb(dvo, NS2501_VID_LO, &ch)) | |
191 | goto out; | |
192 | ||
193 | if (ch != (NS2501_VID & 0xff)) { | |
194 | DRM_DEBUG_KMS("ns2501 not detected got %d: from %s Slave %d.\n", | |
195 | ch, adapter->name, dvo->slave_addr); | |
196 | goto out; | |
197 | } | |
198 | ||
199 | if (!ns2501_readb(dvo, NS2501_DID_LO, &ch)) | |
200 | goto out; | |
201 | ||
202 | if (ch != (NS2501_DID & 0xff)) { | |
203 | DRM_DEBUG_KMS("ns2501 not detected got %d: from %s Slave %d.\n", | |
204 | ch, adapter->name, dvo->slave_addr); | |
205 | goto out; | |
206 | } | |
207 | ns->quiet = false; | |
208 | ns->reg_8_set = 0; | |
209 | ns->reg_8_shadow = | |
210 | NS2501_8_PD | NS2501_8_BPAS | NS2501_8_VEN | NS2501_8_HEN; | |
211 | ||
212 | DRM_DEBUG_KMS("init ns2501 dvo controller successfully!\n"); | |
213 | return true; | |
214 | ||
215 | out: | |
216 | kfree(ns); | |
217 | return false; | |
218 | } | |
219 | ||
220 | static enum drm_connector_status ns2501_detect(struct intel_dvo_device *dvo) | |
221 | { | |
222 | /* | |
223 | * This is a Laptop display, it doesn't have hotplugging. | |
224 | * Even if not, the detection bit of the 2501 is unreliable as | |
225 | * it only works for some display types. | |
226 | * It is even more unreliable as the PLL must be active for | |
227 | * allowing reading from the chiop. | |
228 | */ | |
229 | return connector_status_connected; | |
230 | } | |
231 | ||
232 | static enum drm_mode_status ns2501_mode_valid(struct intel_dvo_device *dvo, | |
233 | struct drm_display_mode *mode) | |
234 | { | |
235 | DRM_DEBUG_KMS | |
236 | ("%s: is mode valid (hdisplay=%d,htotal=%d,vdisplay=%d,vtotal=%d)\n", | |
237 | __FUNCTION__, mode->hdisplay, mode->htotal, mode->vdisplay, | |
238 | mode->vtotal); | |
239 | ||
240 | /* | |
241 | * Currently, these are all the modes I have data from. | |
242 | * More might exist. Unclear how to find the native resolution | |
243 | * of the panel in here so we could always accept it | |
244 | * by disabling the scaler. | |
245 | */ | |
246 | if ((mode->hdisplay == 800 && mode->vdisplay == 600) || | |
247 | (mode->hdisplay == 640 && mode->vdisplay == 480) || | |
248 | (mode->hdisplay == 1024 && mode->vdisplay == 768)) { | |
249 | return MODE_OK; | |
250 | } else { | |
251 | return MODE_ONE_SIZE; /* Is this a reasonable error? */ | |
252 | } | |
253 | } | |
254 | ||
255 | static void ns2501_mode_set(struct intel_dvo_device *dvo, | |
256 | struct drm_display_mode *mode, | |
257 | struct drm_display_mode *adjusted_mode) | |
258 | { | |
259 | bool ok; | |
c77ba21d | 260 | int retries = 10; |
7434a255 TR |
261 | struct ns2501_priv *ns = (struct ns2501_priv *)(dvo->dev_priv); |
262 | ||
263 | DRM_DEBUG_KMS | |
264 | ("%s: set mode (hdisplay=%d,htotal=%d,vdisplay=%d,vtotal=%d).\n", | |
265 | __FUNCTION__, mode->hdisplay, mode->htotal, mode->vdisplay, | |
266 | mode->vtotal); | |
267 | ||
268 | /* | |
269 | * Where do I find the native resolution for which scaling is not required??? | |
270 | * | |
271 | * First trigger the DVO on as otherwise the chip does not appear on the i2c | |
272 | * bus. | |
273 | */ | |
274 | do { | |
275 | ok = true; | |
276 | ||
277 | if (mode->hdisplay == 800 && mode->vdisplay == 600) { | |
278 | /* mode 277 */ | |
279 | ns->reg_8_shadow &= ~NS2501_8_BPAS; | |
280 | DRM_DEBUG_KMS("%s: switching to 800x600\n", | |
281 | __FUNCTION__); | |
282 | ||
283 | /* | |
284 | * No, I do not know where this data comes from. | |
285 | * It is just what the video bios left in the DVO, so | |
286 | * I'm just copying it here over. | |
287 | * This also means that I cannot support any other modes | |
288 | * except the ones supported by the bios. | |
289 | */ | |
290 | ok &= ns2501_writeb(dvo, 0x11, 0xc8); // 0xc7 also works. | |
291 | ok &= ns2501_writeb(dvo, 0x1b, 0x19); | |
292 | ok &= ns2501_writeb(dvo, 0x1c, 0x62); // VBIOS left 0x64 here, but 0x62 works nicer | |
293 | ok &= ns2501_writeb(dvo, 0x1d, 0x02); | |
294 | ||
295 | ok &= ns2501_writeb(dvo, 0x34, 0x03); | |
296 | ok &= ns2501_writeb(dvo, 0x35, 0xff); | |
297 | ||
298 | ok &= ns2501_writeb(dvo, 0x80, 0x27); | |
299 | ok &= ns2501_writeb(dvo, 0x81, 0x03); | |
300 | ok &= ns2501_writeb(dvo, 0x82, 0x41); | |
301 | ok &= ns2501_writeb(dvo, 0x83, 0x05); | |
302 | ||
303 | ok &= ns2501_writeb(dvo, 0x8d, 0x02); | |
304 | ok &= ns2501_writeb(dvo, 0x8e, 0x04); | |
305 | ok &= ns2501_writeb(dvo, 0x8f, 0x00); | |
306 | ||
307 | ok &= ns2501_writeb(dvo, 0x90, 0xfe); /* vertical. VBIOS left 0xff here, but 0xfe works better */ | |
308 | ok &= ns2501_writeb(dvo, 0x91, 0x07); | |
309 | ok &= ns2501_writeb(dvo, 0x94, 0x00); | |
310 | ok &= ns2501_writeb(dvo, 0x95, 0x00); | |
311 | ||
312 | ok &= ns2501_writeb(dvo, 0x96, 0x00); | |
313 | ||
314 | ok &= ns2501_writeb(dvo, 0x99, 0x00); | |
315 | ok &= ns2501_writeb(dvo, 0x9a, 0x88); | |
316 | ||
317 | ok &= ns2501_writeb(dvo, 0x9c, 0x23); /* Looks like first and last line of the image. */ | |
318 | ok &= ns2501_writeb(dvo, 0x9d, 0x00); | |
319 | ok &= ns2501_writeb(dvo, 0x9e, 0x25); | |
320 | ok &= ns2501_writeb(dvo, 0x9f, 0x03); | |
321 | ||
322 | ok &= ns2501_writeb(dvo, 0xa4, 0x80); | |
323 | ||
324 | ok &= ns2501_writeb(dvo, 0xb6, 0x00); | |
325 | ||
326 | ok &= ns2501_writeb(dvo, 0xb9, 0xc8); /* horizontal? */ | |
327 | ok &= ns2501_writeb(dvo, 0xba, 0x00); /* horizontal? */ | |
328 | ||
329 | ok &= ns2501_writeb(dvo, 0xc0, 0x05); /* horizontal? */ | |
330 | ok &= ns2501_writeb(dvo, 0xc1, 0xd7); | |
331 | ||
332 | ok &= ns2501_writeb(dvo, 0xc2, 0x00); | |
333 | ok &= ns2501_writeb(dvo, 0xc3, 0xf8); | |
334 | ||
335 | ok &= ns2501_writeb(dvo, 0xc4, 0x03); | |
336 | ok &= ns2501_writeb(dvo, 0xc5, 0x1a); | |
337 | ||
338 | ok &= ns2501_writeb(dvo, 0xc6, 0x00); | |
339 | ok &= ns2501_writeb(dvo, 0xc7, 0x73); | |
340 | ok &= ns2501_writeb(dvo, 0xc8, 0x02); | |
341 | ||
342 | } else if (mode->hdisplay == 640 && mode->vdisplay == 480) { | |
343 | /* mode 274 */ | |
344 | DRM_DEBUG_KMS("%s: switching to 640x480\n", | |
345 | __FUNCTION__); | |
346 | /* | |
347 | * No, I do not know where this data comes from. | |
348 | * It is just what the video bios left in the DVO, so | |
349 | * I'm just copying it here over. | |
350 | * This also means that I cannot support any other modes | |
351 | * except the ones supported by the bios. | |
352 | */ | |
353 | ns->reg_8_shadow &= ~NS2501_8_BPAS; | |
354 | ||
355 | ok &= ns2501_writeb(dvo, 0x11, 0xa0); | |
356 | ok &= ns2501_writeb(dvo, 0x1b, 0x11); | |
357 | ok &= ns2501_writeb(dvo, 0x1c, 0x54); | |
358 | ok &= ns2501_writeb(dvo, 0x1d, 0x03); | |
359 | ||
360 | ok &= ns2501_writeb(dvo, 0x34, 0x03); | |
361 | ok &= ns2501_writeb(dvo, 0x35, 0xff); | |
362 | ||
363 | ok &= ns2501_writeb(dvo, 0x80, 0xff); | |
364 | ok &= ns2501_writeb(dvo, 0x81, 0x07); | |
365 | ok &= ns2501_writeb(dvo, 0x82, 0x3d); | |
366 | ok &= ns2501_writeb(dvo, 0x83, 0x05); | |
367 | ||
368 | ok &= ns2501_writeb(dvo, 0x8d, 0x02); | |
369 | ok &= ns2501_writeb(dvo, 0x8e, 0x10); | |
370 | ok &= ns2501_writeb(dvo, 0x8f, 0x00); | |
371 | ||
372 | ok &= ns2501_writeb(dvo, 0x90, 0xff); /* vertical */ | |
373 | ok &= ns2501_writeb(dvo, 0x91, 0x07); | |
374 | ok &= ns2501_writeb(dvo, 0x94, 0x00); | |
375 | ok &= ns2501_writeb(dvo, 0x95, 0x00); | |
376 | ||
377 | ok &= ns2501_writeb(dvo, 0x96, 0x05); | |
378 | ||
379 | ok &= ns2501_writeb(dvo, 0x99, 0x00); | |
380 | ok &= ns2501_writeb(dvo, 0x9a, 0x88); | |
381 | ||
382 | ok &= ns2501_writeb(dvo, 0x9c, 0x24); | |
383 | ok &= ns2501_writeb(dvo, 0x9d, 0x00); | |
384 | ok &= ns2501_writeb(dvo, 0x9e, 0x25); | |
385 | ok &= ns2501_writeb(dvo, 0x9f, 0x03); | |
386 | ||
387 | ok &= ns2501_writeb(dvo, 0xa4, 0x84); | |
388 | ||
389 | ok &= ns2501_writeb(dvo, 0xb6, 0x09); | |
390 | ||
391 | ok &= ns2501_writeb(dvo, 0xb9, 0xa0); /* horizontal? */ | |
392 | ok &= ns2501_writeb(dvo, 0xba, 0x00); /* horizontal? */ | |
393 | ||
394 | ok &= ns2501_writeb(dvo, 0xc0, 0x05); /* horizontal? */ | |
395 | ok &= ns2501_writeb(dvo, 0xc1, 0x90); | |
396 | ||
397 | ok &= ns2501_writeb(dvo, 0xc2, 0x00); | |
398 | ok &= ns2501_writeb(dvo, 0xc3, 0x0f); | |
399 | ||
400 | ok &= ns2501_writeb(dvo, 0xc4, 0x03); | |
401 | ok &= ns2501_writeb(dvo, 0xc5, 0x16); | |
402 | ||
403 | ok &= ns2501_writeb(dvo, 0xc6, 0x00); | |
404 | ok &= ns2501_writeb(dvo, 0xc7, 0x02); | |
405 | ok &= ns2501_writeb(dvo, 0xc8, 0x02); | |
406 | ||
407 | } else if (mode->hdisplay == 1024 && mode->vdisplay == 768) { | |
408 | /* mode 280 */ | |
409 | DRM_DEBUG_KMS("%s: switching to 1024x768\n", | |
410 | __FUNCTION__); | |
411 | /* | |
412 | * This might or might not work, actually. I'm silently | |
413 | * assuming here that the native panel resolution is | |
414 | * 1024x768. If not, then this leaves the scaler disabled | |
415 | * generating a picture that is likely not the expected. | |
416 | * | |
417 | * Problem is that I do not know where to take the panel | |
418 | * dimensions from. | |
419 | * | |
420 | * Enable the bypass, scaling not required. | |
421 | * | |
422 | * The scaler registers are irrelevant here.... | |
423 | * | |
424 | */ | |
425 | ns->reg_8_shadow |= NS2501_8_BPAS; | |
426 | ok &= ns2501_writeb(dvo, 0x37, 0x44); | |
427 | } else { | |
428 | /* | |
429 | * Data not known. Bummer! | |
430 | * Hopefully, the code should not go here | |
431 | * as mode_OK delivered no other modes. | |
432 | */ | |
433 | ns->reg_8_shadow |= NS2501_8_BPAS; | |
434 | } | |
435 | ok &= ns2501_writeb(dvo, NS2501_REG8, ns->reg_8_shadow); | |
c77ba21d | 436 | } while (!ok && retries--); |
7434a255 TR |
437 | } |
438 | ||
732ce74f DV |
439 | /* set the NS2501 power state */ |
440 | static bool ns2501_get_hw_state(struct intel_dvo_device *dvo) | |
441 | { | |
442 | unsigned char ch; | |
443 | ||
444 | if (!ns2501_readb(dvo, NS2501_REG8, &ch)) | |
445 | return false; | |
446 | ||
447 | if (ch & NS2501_8_PD) | |
448 | return true; | |
449 | else | |
450 | return false; | |
451 | } | |
452 | ||
7434a255 | 453 | /* set the NS2501 power state */ |
fac3274c | 454 | static void ns2501_dpms(struct intel_dvo_device *dvo, bool enable) |
7434a255 TR |
455 | { |
456 | bool ok; | |
c77ba21d | 457 | int retries = 10; |
7434a255 TR |
458 | struct ns2501_priv *ns = (struct ns2501_priv *)(dvo->dev_priv); |
459 | unsigned char ch; | |
460 | ||
fac3274c DV |
461 | DRM_DEBUG_KMS("%s: Trying set the dpms of the DVO to %i\n", |
462 | __FUNCTION__, enable); | |
7434a255 TR |
463 | |
464 | ch = ns->reg_8_shadow; | |
465 | ||
fac3274c | 466 | if (enable) |
7434a255 TR |
467 | ch |= NS2501_8_PD; |
468 | else | |
469 | ch &= ~NS2501_8_PD; | |
470 | ||
471 | if (ns->reg_8_set == 0 || ns->reg_8_shadow != ch) { | |
472 | ns->reg_8_set = 1; | |
473 | ns->reg_8_shadow = ch; | |
474 | ||
475 | do { | |
476 | ok = true; | |
477 | ok &= ns2501_writeb(dvo, NS2501_REG8, ch); | |
478 | ok &= | |
479 | ns2501_writeb(dvo, 0x34, | |
fac3274c | 480 | enable ? 0x03 : 0x00); |
7434a255 TR |
481 | ok &= |
482 | ns2501_writeb(dvo, 0x35, | |
fac3274c | 483 | enable ? 0xff : 0x00); |
c77ba21d | 484 | } while (!ok && retries--); |
7434a255 TR |
485 | } |
486 | } | |
487 | ||
488 | static void ns2501_dump_regs(struct intel_dvo_device *dvo) | |
489 | { | |
490 | uint8_t val; | |
491 | ||
492 | ns2501_readb(dvo, NS2501_FREQ_LO, &val); | |
493 | DRM_LOG_KMS("NS2501_FREQ_LO: 0x%02x\n", val); | |
494 | ns2501_readb(dvo, NS2501_FREQ_HI, &val); | |
495 | DRM_LOG_KMS("NS2501_FREQ_HI: 0x%02x\n", val); | |
496 | ns2501_readb(dvo, NS2501_REG8, &val); | |
497 | DRM_LOG_KMS("NS2501_REG8: 0x%02x\n", val); | |
498 | ns2501_readb(dvo, NS2501_REG9, &val); | |
499 | DRM_LOG_KMS("NS2501_REG9: 0x%02x\n", val); | |
500 | ns2501_readb(dvo, NS2501_REGC, &val); | |
501 | DRM_LOG_KMS("NS2501_REGC: 0x%02x\n", val); | |
502 | } | |
503 | ||
504 | static void ns2501_destroy(struct intel_dvo_device *dvo) | |
505 | { | |
506 | struct ns2501_priv *ns = dvo->dev_priv; | |
507 | ||
508 | if (ns) { | |
509 | kfree(ns); | |
510 | dvo->dev_priv = NULL; | |
511 | } | |
512 | } | |
513 | ||
514 | struct intel_dvo_dev_ops ns2501_ops = { | |
515 | .init = ns2501_init, | |
516 | .detect = ns2501_detect, | |
517 | .mode_valid = ns2501_mode_valid, | |
518 | .mode_set = ns2501_mode_set, | |
519 | .dpms = ns2501_dpms, | |
732ce74f | 520 | .get_hw_state = ns2501_get_hw_state, |
7434a255 TR |
521 | .dump_regs = ns2501_dump_regs, |
522 | .destroy = ns2501_destroy, | |
523 | }; |