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1/*
2 * Generic DVI Connector driver
3 *
4 * Copyright (C) 2013 Texas Instruments
5 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 */
11
12#include <linux/i2c.h>
13#include <linux/module.h>
14#include <linux/platform_device.h>
15#include <linux/slab.h>
16
17#include <drm/drm_edid.h>
18
19#include <video/omapdss.h>
20#include <video/omap-panel-data.h>
21
22static const struct omap_video_timings dvic_default_timings = {
23 .x_res = 640,
24 .y_res = 480,
25
26 .pixelclock = 23500000,
27
28 .hfp = 48,
29 .hsw = 32,
30 .hbp = 80,
31
32 .vfp = 3,
33 .vsw = 4,
34 .vbp = 7,
35
36 .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
37 .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
38 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
39 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
40 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
41};
42
43struct panel_drv_data {
44 struct omap_dss_device dssdev;
45 struct omap_dss_device *in;
46
47 struct omap_video_timings timings;
48
49 struct i2c_adapter *i2c_adapter;
50};
51
52#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
53
54static int dvic_connect(struct omap_dss_device *dssdev)
55{
56 struct panel_drv_data *ddata = to_panel_data(dssdev);
57 struct omap_dss_device *in = ddata->in;
58 int r;
59
60 if (omapdss_device_is_connected(dssdev))
61 return 0;
62
63 r = in->ops.dvi->connect(in, dssdev);
64 if (r)
65 return r;
66
67 return 0;
68}
69
70static void dvic_disconnect(struct omap_dss_device *dssdev)
71{
72 struct panel_drv_data *ddata = to_panel_data(dssdev);
73 struct omap_dss_device *in = ddata->in;
74
75 if (!omapdss_device_is_connected(dssdev))
76 return;
77
78 in->ops.dvi->disconnect(in, dssdev);
79}
80
81static int dvic_enable(struct omap_dss_device *dssdev)
82{
83 struct panel_drv_data *ddata = to_panel_data(dssdev);
84 struct omap_dss_device *in = ddata->in;
85 int r;
86
87 if (!omapdss_device_is_connected(dssdev))
88 return -ENODEV;
89
90 if (omapdss_device_is_enabled(dssdev))
91 return 0;
92
93 in->ops.dvi->set_timings(in, &ddata->timings);
94
95 r = in->ops.dvi->enable(in);
96 if (r)
97 return r;
98
99 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
100
101 return 0;
102}
103
104static void dvic_disable(struct omap_dss_device *dssdev)
105{
106 struct panel_drv_data *ddata = to_panel_data(dssdev);
107 struct omap_dss_device *in = ddata->in;
108
109 if (!omapdss_device_is_enabled(dssdev))
110 return;
111
112 in->ops.dvi->disable(in);
113
114 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
115}
116
117static void dvic_set_timings(struct omap_dss_device *dssdev,
118 struct omap_video_timings *timings)
119{
120 struct panel_drv_data *ddata = to_panel_data(dssdev);
121 struct omap_dss_device *in = ddata->in;
122
123 ddata->timings = *timings;
124 dssdev->panel.timings = *timings;
125
126 in->ops.dvi->set_timings(in, timings);
127}
128
129static void dvic_get_timings(struct omap_dss_device *dssdev,
130 struct omap_video_timings *timings)
131{
132 struct panel_drv_data *ddata = to_panel_data(dssdev);
133
134 *timings = ddata->timings;
135}
136
137static int dvic_check_timings(struct omap_dss_device *dssdev,
138 struct omap_video_timings *timings)
139{
140 struct panel_drv_data *ddata = to_panel_data(dssdev);
141 struct omap_dss_device *in = ddata->in;
142
143 return in->ops.dvi->check_timings(in, timings);
144}
145
146static int dvic_ddc_read(struct i2c_adapter *adapter,
147 unsigned char *buf, u16 count, u8 offset)
148{
149 int r, retries;
150
151 for (retries = 3; retries > 0; retries--) {
152 struct i2c_msg msgs[] = {
153 {
154 .addr = DDC_ADDR,
155 .flags = 0,
156 .len = 1,
157 .buf = &offset,
158 }, {
159 .addr = DDC_ADDR,
160 .flags = I2C_M_RD,
161 .len = count,
162 .buf = buf,
163 }
164 };
165
166 r = i2c_transfer(adapter, msgs, 2);
167 if (r == 2)
168 return 0;
169
170 if (r != -EAGAIN)
171 break;
172 }
173
174 return r < 0 ? r : -EIO;
175}
176
177static int dvic_read_edid(struct omap_dss_device *dssdev,
178 u8 *edid, int len)
179{
180 struct panel_drv_data *ddata = to_panel_data(dssdev);
181 int r, l, bytes_read;
182
183 if (!ddata->i2c_adapter)
184 return -ENODEV;
185
186 l = min(EDID_LENGTH, len);
187 r = dvic_ddc_read(ddata->i2c_adapter, edid, l, 0);
188 if (r)
189 return r;
190
191 bytes_read = l;
192
193 /* if there are extensions, read second block */
194 if (len > EDID_LENGTH && edid[0x7e] > 0) {
195 l = min(EDID_LENGTH, len - EDID_LENGTH);
196
197 r = dvic_ddc_read(ddata->i2c_adapter, edid + EDID_LENGTH,
198 l, EDID_LENGTH);
199 if (r)
200 return r;
201
202 bytes_read += l;
203 }
204
205 return bytes_read;
206}
207
208static bool dvic_detect(struct omap_dss_device *dssdev)
209{
210 struct panel_drv_data *ddata = to_panel_data(dssdev);
211 unsigned char out;
212 int r;
213
214 if (!ddata->i2c_adapter)
215 return true;
216
217 r = dvic_ddc_read(ddata->i2c_adapter, &out, 1, 0);
218
219 return r == 0;
220}
221
222static struct omap_dss_driver dvic_driver = {
223 .connect = dvic_connect,
224 .disconnect = dvic_disconnect,
225
226 .enable = dvic_enable,
227 .disable = dvic_disable,
228
229 .set_timings = dvic_set_timings,
230 .get_timings = dvic_get_timings,
231 .check_timings = dvic_check_timings,
232
233 .get_resolution = omapdss_default_get_resolution,
234
235 .read_edid = dvic_read_edid,
236 .detect = dvic_detect,
237};
238
239static int dvic_probe_of(struct platform_device *pdev)
240{
241 struct panel_drv_data *ddata = platform_get_drvdata(pdev);
242 struct device_node *node = pdev->dev.of_node;
243 struct omap_dss_device *in;
244 struct device_node *adapter_node;
245 struct i2c_adapter *adapter;
246
247 in = omapdss_of_find_source_for_first_ep(node);
248 if (IS_ERR(in)) {
249 dev_err(&pdev->dev, "failed to find video source\n");
250 return PTR_ERR(in);
251 }
252
253 ddata->in = in;
254
255 adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0);
256 if (adapter_node) {
257 adapter = of_get_i2c_adapter_by_node(adapter_node);
258 if (adapter == NULL) {
259 dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n");
260 omap_dss_put_device(ddata->in);
261 return -EPROBE_DEFER;
262 }
263
264 ddata->i2c_adapter = adapter;
265 }
266
267 return 0;
268}
269
270static int dvic_probe(struct platform_device *pdev)
271{
272 struct panel_drv_data *ddata;
273 struct omap_dss_device *dssdev;
274 int r;
275
276 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
277 if (!ddata)
278 return -ENOMEM;
279
280 platform_set_drvdata(pdev, ddata);
281
282 if (!pdev->dev.of_node)
283 return -ENODEV;
284
285 r = dvic_probe_of(pdev);
286 if (r)
287 return r;
288
289 ddata->timings = dvic_default_timings;
290
291 dssdev = &ddata->dssdev;
292 dssdev->driver = &dvic_driver;
293 dssdev->dev = &pdev->dev;
294 dssdev->type = OMAP_DISPLAY_TYPE_DVI;
295 dssdev->owner = THIS_MODULE;
296 dssdev->panel.timings = dvic_default_timings;
297
298 r = omapdss_register_display(dssdev);
299 if (r) {
300 dev_err(&pdev->dev, "Failed to register panel\n");
301 goto err_reg;
302 }
303
304 return 0;
305
306err_reg:
307 omap_dss_put_device(ddata->in);
308
309 i2c_put_adapter(ddata->i2c_adapter);
310
311 return r;
312}
313
314static int __exit dvic_remove(struct platform_device *pdev)
315{
316 struct panel_drv_data *ddata = platform_get_drvdata(pdev);
317 struct omap_dss_device *dssdev = &ddata->dssdev;
318 struct omap_dss_device *in = ddata->in;
319
320 omapdss_unregister_display(&ddata->dssdev);
321
322 dvic_disable(dssdev);
323 dvic_disconnect(dssdev);
324
325 omap_dss_put_device(in);
326
327 i2c_put_adapter(ddata->i2c_adapter);
328
329 return 0;
330}
331
332static const struct of_device_id dvic_of_match[] = {
333 { .compatible = "omapdss,dvi-connector", },
334 {},
335};
336
337MODULE_DEVICE_TABLE(of, dvic_of_match);
338
339static struct platform_driver dvi_connector_driver = {
340 .probe = dvic_probe,
341 .remove = __exit_p(dvic_remove),
342 .driver = {
343 .name = "connector-dvi",
344 .of_match_table = dvic_of_match,
345 .suppress_bind_attrs = true,
346 },
347};
348
349module_platform_driver(dvi_connector_driver);
350
351MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
352MODULE_DESCRIPTION("Generic DVI Connector driver");
353MODULE_LICENSE("GPL");
1/*
2 * Generic DVI Connector driver
3 *
4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
5 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 */
11
12#include <linux/gpio/consumer.h>
13#include <linux/i2c.h>
14#include <linux/module.h>
15#include <linux/platform_device.h>
16#include <linux/slab.h>
17
18#include <drm/drm_edid.h>
19
20#include "../dss/omapdss.h"
21
22static const struct videomode dvic_default_vm = {
23 .hactive = 640,
24 .vactive = 480,
25
26 .pixelclock = 23500000,
27
28 .hfront_porch = 48,
29 .hsync_len = 32,
30 .hback_porch = 80,
31
32 .vfront_porch = 3,
33 .vsync_len = 4,
34 .vback_porch = 7,
35
36 .flags = DISPLAY_FLAGS_HSYNC_HIGH | DISPLAY_FLAGS_VSYNC_HIGH |
37 DISPLAY_FLAGS_SYNC_NEGEDGE | DISPLAY_FLAGS_DE_HIGH |
38 DISPLAY_FLAGS_PIXDATA_POSEDGE,
39};
40
41struct panel_drv_data {
42 struct omap_dss_device dssdev;
43 struct omap_dss_device *in;
44
45 struct videomode vm;
46
47 struct i2c_adapter *i2c_adapter;
48
49 struct gpio_desc *hpd_gpio;
50
51 void (*hpd_cb)(void *cb_data, enum drm_connector_status status);
52 void *hpd_cb_data;
53 bool hpd_enabled;
54 /* mutex for hpd fields above */
55 struct mutex hpd_lock;
56};
57
58#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
59
60static int dvic_connect(struct omap_dss_device *dssdev)
61{
62 struct panel_drv_data *ddata = to_panel_data(dssdev);
63 struct omap_dss_device *in;
64 int r;
65
66 if (omapdss_device_is_connected(dssdev))
67 return 0;
68
69 in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node);
70 if (IS_ERR(in)) {
71 dev_err(dssdev->dev, "failed to find video source\n");
72 return PTR_ERR(in);
73 }
74
75 r = in->ops.dvi->connect(in, dssdev);
76 if (r) {
77 omap_dss_put_device(in);
78 return r;
79 }
80
81 ddata->in = in;
82 return 0;
83}
84
85static void dvic_disconnect(struct omap_dss_device *dssdev)
86{
87 struct panel_drv_data *ddata = to_panel_data(dssdev);
88 struct omap_dss_device *in = ddata->in;
89
90 if (!omapdss_device_is_connected(dssdev))
91 return;
92
93 in->ops.dvi->disconnect(in, dssdev);
94
95 omap_dss_put_device(in);
96 ddata->in = NULL;
97}
98
99static int dvic_enable(struct omap_dss_device *dssdev)
100{
101 struct panel_drv_data *ddata = to_panel_data(dssdev);
102 struct omap_dss_device *in = ddata->in;
103 int r;
104
105 if (!omapdss_device_is_connected(dssdev))
106 return -ENODEV;
107
108 if (omapdss_device_is_enabled(dssdev))
109 return 0;
110
111 in->ops.dvi->set_timings(in, &ddata->vm);
112
113 r = in->ops.dvi->enable(in);
114 if (r)
115 return r;
116
117 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
118
119 return 0;
120}
121
122static void dvic_disable(struct omap_dss_device *dssdev)
123{
124 struct panel_drv_data *ddata = to_panel_data(dssdev);
125 struct omap_dss_device *in = ddata->in;
126
127 if (!omapdss_device_is_enabled(dssdev))
128 return;
129
130 in->ops.dvi->disable(in);
131
132 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
133}
134
135static void dvic_set_timings(struct omap_dss_device *dssdev,
136 struct videomode *vm)
137{
138 struct panel_drv_data *ddata = to_panel_data(dssdev);
139 struct omap_dss_device *in = ddata->in;
140
141 ddata->vm = *vm;
142 dssdev->panel.vm = *vm;
143
144 in->ops.dvi->set_timings(in, vm);
145}
146
147static void dvic_get_timings(struct omap_dss_device *dssdev,
148 struct videomode *vm)
149{
150 struct panel_drv_data *ddata = to_panel_data(dssdev);
151
152 *vm = ddata->vm;
153}
154
155static int dvic_check_timings(struct omap_dss_device *dssdev,
156 struct videomode *vm)
157{
158 struct panel_drv_data *ddata = to_panel_data(dssdev);
159 struct omap_dss_device *in = ddata->in;
160
161 return in->ops.dvi->check_timings(in, vm);
162}
163
164static int dvic_ddc_read(struct i2c_adapter *adapter,
165 unsigned char *buf, u16 count, u8 offset)
166{
167 int r, retries;
168
169 for (retries = 3; retries > 0; retries--) {
170 struct i2c_msg msgs[] = {
171 {
172 .addr = DDC_ADDR,
173 .flags = 0,
174 .len = 1,
175 .buf = &offset,
176 }, {
177 .addr = DDC_ADDR,
178 .flags = I2C_M_RD,
179 .len = count,
180 .buf = buf,
181 }
182 };
183
184 r = i2c_transfer(adapter, msgs, 2);
185 if (r == 2)
186 return 0;
187
188 if (r != -EAGAIN)
189 break;
190 }
191
192 return r < 0 ? r : -EIO;
193}
194
195static int dvic_read_edid(struct omap_dss_device *dssdev,
196 u8 *edid, int len)
197{
198 struct panel_drv_data *ddata = to_panel_data(dssdev);
199 int r, l, bytes_read;
200
201 if (ddata->hpd_gpio && !gpiod_get_value_cansleep(ddata->hpd_gpio))
202 return -ENODEV;
203
204 if (!ddata->i2c_adapter)
205 return -ENODEV;
206
207 l = min(EDID_LENGTH, len);
208 r = dvic_ddc_read(ddata->i2c_adapter, edid, l, 0);
209 if (r)
210 return r;
211
212 bytes_read = l;
213
214 /* if there are extensions, read second block */
215 if (len > EDID_LENGTH && edid[0x7e] > 0) {
216 l = min(EDID_LENGTH, len - EDID_LENGTH);
217
218 r = dvic_ddc_read(ddata->i2c_adapter, edid + EDID_LENGTH,
219 l, EDID_LENGTH);
220 if (r)
221 return r;
222
223 bytes_read += l;
224 }
225
226 return bytes_read;
227}
228
229static bool dvic_detect(struct omap_dss_device *dssdev)
230{
231 struct panel_drv_data *ddata = to_panel_data(dssdev);
232 unsigned char out;
233 int r;
234
235 if (ddata->hpd_gpio)
236 return gpiod_get_value_cansleep(ddata->hpd_gpio);
237
238 if (!ddata->i2c_adapter)
239 return true;
240
241 r = dvic_ddc_read(ddata->i2c_adapter, &out, 1, 0);
242
243 return r == 0;
244}
245
246static int dvic_register_hpd_cb(struct omap_dss_device *dssdev,
247 void (*cb)(void *cb_data,
248 enum drm_connector_status status),
249 void *cb_data)
250{
251 struct panel_drv_data *ddata = to_panel_data(dssdev);
252
253 if (!ddata->hpd_gpio)
254 return -ENOTSUPP;
255
256 mutex_lock(&ddata->hpd_lock);
257 ddata->hpd_cb = cb;
258 ddata->hpd_cb_data = cb_data;
259 mutex_unlock(&ddata->hpd_lock);
260 return 0;
261}
262
263static void dvic_unregister_hpd_cb(struct omap_dss_device *dssdev)
264{
265 struct panel_drv_data *ddata = to_panel_data(dssdev);
266
267 if (!ddata->hpd_gpio)
268 return;
269
270 mutex_lock(&ddata->hpd_lock);
271 ddata->hpd_cb = NULL;
272 ddata->hpd_cb_data = NULL;
273 mutex_unlock(&ddata->hpd_lock);
274}
275
276static void dvic_enable_hpd(struct omap_dss_device *dssdev)
277{
278 struct panel_drv_data *ddata = to_panel_data(dssdev);
279
280 if (!ddata->hpd_gpio)
281 return;
282
283 mutex_lock(&ddata->hpd_lock);
284 ddata->hpd_enabled = true;
285 mutex_unlock(&ddata->hpd_lock);
286}
287
288static void dvic_disable_hpd(struct omap_dss_device *dssdev)
289{
290 struct panel_drv_data *ddata = to_panel_data(dssdev);
291
292 if (!ddata->hpd_gpio)
293 return;
294
295 mutex_lock(&ddata->hpd_lock);
296 ddata->hpd_enabled = false;
297 mutex_unlock(&ddata->hpd_lock);
298}
299
300static struct omap_dss_driver dvic_driver = {
301 .connect = dvic_connect,
302 .disconnect = dvic_disconnect,
303
304 .enable = dvic_enable,
305 .disable = dvic_disable,
306
307 .set_timings = dvic_set_timings,
308 .get_timings = dvic_get_timings,
309 .check_timings = dvic_check_timings,
310
311 .read_edid = dvic_read_edid,
312 .detect = dvic_detect,
313
314 .register_hpd_cb = dvic_register_hpd_cb,
315 .unregister_hpd_cb = dvic_unregister_hpd_cb,
316 .enable_hpd = dvic_enable_hpd,
317 .disable_hpd = dvic_disable_hpd,
318};
319
320static irqreturn_t dvic_hpd_isr(int irq, void *data)
321{
322 struct panel_drv_data *ddata = data;
323
324 mutex_lock(&ddata->hpd_lock);
325 if (ddata->hpd_enabled && ddata->hpd_cb) {
326 enum drm_connector_status status;
327
328 if (dvic_detect(&ddata->dssdev))
329 status = connector_status_connected;
330 else
331 status = connector_status_disconnected;
332
333 ddata->hpd_cb(ddata->hpd_cb_data, status);
334 }
335 mutex_unlock(&ddata->hpd_lock);
336
337 return IRQ_HANDLED;
338}
339
340static int dvic_probe_of(struct platform_device *pdev)
341{
342 struct panel_drv_data *ddata = platform_get_drvdata(pdev);
343 struct device_node *node = pdev->dev.of_node;
344 struct device_node *adapter_node;
345 struct i2c_adapter *adapter;
346 struct gpio_desc *gpio;
347 int r;
348
349 gpio = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN);
350 if (IS_ERR(gpio)) {
351 dev_err(&pdev->dev, "failed to parse HPD gpio\n");
352 return PTR_ERR(gpio);
353 }
354
355 ddata->hpd_gpio = gpio;
356
357 mutex_init(&ddata->hpd_lock);
358
359 if (ddata->hpd_gpio) {
360 r = devm_request_threaded_irq(&pdev->dev,
361 gpiod_to_irq(ddata->hpd_gpio), NULL, dvic_hpd_isr,
362 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
363 "DVI HPD", ddata);
364 if (r)
365 return r;
366 }
367
368 adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0);
369 if (adapter_node) {
370 adapter = of_get_i2c_adapter_by_node(adapter_node);
371 of_node_put(adapter_node);
372 if (adapter == NULL) {
373 dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n");
374 return -EPROBE_DEFER;
375 }
376
377 ddata->i2c_adapter = adapter;
378 }
379
380 return 0;
381}
382
383static int dvic_probe(struct platform_device *pdev)
384{
385 struct panel_drv_data *ddata;
386 struct omap_dss_device *dssdev;
387 int r;
388
389 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
390 if (!ddata)
391 return -ENOMEM;
392
393 platform_set_drvdata(pdev, ddata);
394
395 r = dvic_probe_of(pdev);
396 if (r)
397 return r;
398
399 ddata->vm = dvic_default_vm;
400
401 dssdev = &ddata->dssdev;
402 dssdev->driver = &dvic_driver;
403 dssdev->dev = &pdev->dev;
404 dssdev->type = OMAP_DISPLAY_TYPE_DVI;
405 dssdev->owner = THIS_MODULE;
406 dssdev->panel.vm = dvic_default_vm;
407
408 r = omapdss_register_display(dssdev);
409 if (r) {
410 dev_err(&pdev->dev, "Failed to register panel\n");
411 goto err_reg;
412 }
413
414 return 0;
415
416err_reg:
417 i2c_put_adapter(ddata->i2c_adapter);
418 mutex_destroy(&ddata->hpd_lock);
419
420 return r;
421}
422
423static int __exit dvic_remove(struct platform_device *pdev)
424{
425 struct panel_drv_data *ddata = platform_get_drvdata(pdev);
426 struct omap_dss_device *dssdev = &ddata->dssdev;
427
428 omapdss_unregister_display(&ddata->dssdev);
429
430 dvic_disable(dssdev);
431 dvic_disconnect(dssdev);
432
433 i2c_put_adapter(ddata->i2c_adapter);
434
435 mutex_destroy(&ddata->hpd_lock);
436
437 return 0;
438}
439
440static const struct of_device_id dvic_of_match[] = {
441 { .compatible = "omapdss,dvi-connector", },
442 {},
443};
444
445MODULE_DEVICE_TABLE(of, dvic_of_match);
446
447static struct platform_driver dvi_connector_driver = {
448 .probe = dvic_probe,
449 .remove = __exit_p(dvic_remove),
450 .driver = {
451 .name = "connector-dvi",
452 .of_match_table = dvic_of_match,
453 .suppress_bind_attrs = true,
454 },
455};
456
457module_platform_driver(dvi_connector_driver);
458
459MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
460MODULE_DESCRIPTION("Generic DVI Connector driver");
461MODULE_LICENSE("GPL");