summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/panel/panel-sony-acx565akm.c
blob: 3d6a286056a09e111b0af243462f115ade770698 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
// SPDX-License-Identifier: GPL-2.0
/*
 * Sony ACX565AKM LCD Panel driver
 *
 * Copyright (C) 2019 Texas Instruments Incorporated
 *
 * Based on the omapdrm-specific panel-sony-acx565akm driver
 *
 * Copyright (C) 2010 Nokia Corporation
 * Author: Imre Deak <imre.deak@nokia.com>
 */

/*
 * TODO (to be addressed with hardware access to test the changes):
 *
 * - Update backlight support to use backlight_update_status() etc.
 * - Use prepare/unprepare for the basic power on/off of the backligt
 */

#include <linux/backlight.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/jiffies.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/sched.h>
#include <linux/spi/spi.h>
#include <video/mipi_display.h>

#include <drm/drm_connector.h>
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>

#define CTRL_DISP_BRIGHTNESS_CTRL_ON		BIT(5)
#define CTRL_DISP_AMBIENT_LIGHT_CTRL_ON		BIT(4)
#define CTRL_DISP_BACKLIGHT_ON			BIT(2)
#define CTRL_DISP_AUTO_BRIGHTNESS_ON		BIT(1)

#define MIPID_CMD_WRITE_CABC		0x55
#define MIPID_CMD_READ_CABC		0x56

#define MIPID_VER_LPH8923		3
#define MIPID_VER_LS041Y3		4
#define MIPID_VER_L4F00311		8
#define MIPID_VER_ACX565AKM		9

struct acx565akm_panel {
	struct drm_panel panel;

	struct spi_device *spi;
	struct gpio_desc *reset_gpio;
	struct backlight_device *backlight;

	struct mutex mutex;

	const char *name;
	u8 display_id[3];
	int model;
	int revision;
	bool has_bc;
	bool has_cabc;

	bool enabled;
	unsigned int cabc_mode;
	/*
	 * Next value of jiffies when we can issue the next sleep in/out
	 * command.
	 */
	unsigned long hw_guard_end;
	unsigned long hw_guard_wait;		/* max guard time in jiffies */
};

#define to_acx565akm_device(p) container_of(p, struct acx565akm_panel, panel)

static void acx565akm_transfer(struct acx565akm_panel *lcd, int cmd,
			      const u8 *wbuf, int wlen, u8 *rbuf, int rlen)
{
	struct spi_message	m;
	struct spi_transfer	*x, xfer[5];
	int			ret;

	spi_message_init(&m);

	memset(xfer, 0, sizeof(xfer));
	x = &xfer[0];

	cmd &=  0xff;
	x->tx_buf = &cmd;
	x->bits_per_word = 9;
	x->len = 2;

	if (rlen > 1 && wlen == 0) {
		/*
		 * Between the command and the response data there is a
		 * dummy clock cycle. Add an extra bit after the command
		 * word to account for this.
		 */
		x->bits_per_word = 10;
		cmd <<= 1;
	}
	spi_message_add_tail(x, &m);

	if (wlen) {
		x++;
		x->tx_buf = wbuf;
		x->len = wlen;
		x->bits_per_word = 9;
		spi_message_add_tail(x, &m);
	}

	if (rlen) {
		x++;
		x->rx_buf	= rbuf;
		x->len		= rlen;
		spi_message_add_tail(x, &m);
	}

	ret = spi_sync(lcd->spi, &m);
	if (ret < 0)
		dev_dbg(&lcd->spi->dev, "spi_sync %d\n", ret);
}

static inline void acx565akm_cmd(struct acx565akm_panel *lcd, int cmd)
{
	acx565akm_transfer(lcd, cmd, NULL, 0, NULL, 0);
}

static inline void acx565akm_write(struct acx565akm_panel *lcd,
			       int reg, const u8 *buf, int len)
{
	acx565akm_transfer(lcd, reg, buf, len, NULL, 0);
}

static inline void acx565akm_read(struct acx565akm_panel *lcd,
			      int reg, u8 *buf, int len)
{
	acx565akm_transfer(lcd, reg, NULL, 0, buf, len);
}

/* -----------------------------------------------------------------------------
 * Auto Brightness Control Via sysfs
 */

static unsigned int acx565akm_get_cabc_mode(struct acx565akm_panel *lcd)
{
	return lcd->cabc_mode;
}

static void acx565akm_set_cabc_mode(struct acx565akm_panel *lcd,
				    unsigned int mode)
{
	u16 cabc_ctrl;

	lcd->cabc_mode = mode;
	if (!lcd->enabled)
		return;
	cabc_ctrl = 0;
	acx565akm_read(lcd, MIPID_CMD_READ_CABC, (u8 *)&cabc_ctrl, 1);
	cabc_ctrl &= ~3;
	cabc_ctrl |= (1 << 8) | (mode & 3);
	acx565akm_write(lcd, MIPID_CMD_WRITE_CABC, (u8 *)&cabc_ctrl, 2);
}

static unsigned int acx565akm_get_hw_cabc_mode(struct acx565akm_panel *lcd)
{
	u8 cabc_ctrl;

	acx565akm_read(lcd, MIPID_CMD_READ_CABC, &cabc_ctrl, 1);
	return cabc_ctrl & 3;
}

static const char * const acx565akm_cabc_modes[] = {
	"off",		/* always used when CABC is not supported */
	"ui",
	"still-image",
	"moving-image",
};

static ssize_t cabc_mode_show(struct device *dev,
			      struct device_attribute *attr,
			      char *buf)
{
	struct acx565akm_panel *lcd = dev_get_drvdata(dev);
	const char *mode_str;
	int mode;

	if (!lcd->has_cabc)
		mode = 0;
	else
		mode = acx565akm_get_cabc_mode(lcd);

	mode_str = "unknown";
	if (mode >= 0 && mode < ARRAY_SIZE(acx565akm_cabc_modes))
		mode_str = acx565akm_cabc_modes[mode];

	return sprintf(buf, "%s\n", mode_str);
}

static ssize_t cabc_mode_store(struct device *dev,
			       struct device_attribute *attr,
			       const char *buf, size_t count)
{
	struct acx565akm_panel *lcd = dev_get_drvdata(dev);
	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(acx565akm_cabc_modes); i++) {
		const char *mode_str = acx565akm_cabc_modes[i];
		int cmp_len = strlen(mode_str);

		if (count > 0 && buf[count - 1] == '\n')
			count--;
		if (count != cmp_len)
			continue;

		if (strncmp(buf, mode_str, cmp_len) == 0)
			break;
	}

	if (i == ARRAY_SIZE(acx565akm_cabc_modes))
		return -EINVAL;

	if (!lcd->has_cabc && i != 0)
		return -EINVAL;

	mutex_lock(&lcd->mutex);
	acx565akm_set_cabc_mode(lcd, i);
	mutex_unlock(&lcd->mutex);

	return count;
}

static ssize_t cabc_available_modes_show(struct device *dev,
					 struct device_attribute *attr,
					 char *buf)
{
	struct acx565akm_panel *lcd = dev_get_drvdata(dev);
	unsigned int i;
	size_t len = 0;

	if (!lcd->has_cabc)
		return sprintf(buf, "%s\n", acx565akm_cabc_modes[0]);

	for (i = 0; i < ARRAY_SIZE(acx565akm_cabc_modes); i++)
		len += sprintf(&buf[len], "%s%s", i ? " " : "",
			       acx565akm_cabc_modes[i]);

	buf[len++] = '\n';

	return len;
}

static DEVICE_ATTR_RW(cabc_mode);
static DEVICE_ATTR_RO(cabc_available_modes);

static struct attribute *acx565akm_cabc_attrs[] = {
	&dev_attr_cabc_mode.attr,
	&dev_attr_cabc_available_modes.attr,
	NULL,
};

static const struct attribute_group acx565akm_cabc_attr_group = {
	.attrs = acx565akm_cabc_attrs,
};

/* -----------------------------------------------------------------------------
 * Backlight Device
 */

static int acx565akm_get_actual_brightness(struct acx565akm_panel *lcd)
{
	u8 bv;

	acx565akm_read(lcd, MIPI_DCS_GET_DISPLAY_BRIGHTNESS, &bv, 1);

	return bv;
}

static void acx565akm_set_brightness(struct acx565akm_panel *lcd, int level)
{
	u16 ctrl;
	int bv;

	bv = level | (1 << 8);
	acx565akm_write(lcd, MIPI_DCS_SET_DISPLAY_BRIGHTNESS, (u8 *)&bv, 2);

	acx565akm_read(lcd, MIPI_DCS_GET_CONTROL_DISPLAY, (u8 *)&ctrl, 1);
	if (level)
		ctrl |= CTRL_DISP_BRIGHTNESS_CTRL_ON |
			CTRL_DISP_BACKLIGHT_ON;
	else
		ctrl &= ~(CTRL_DISP_BRIGHTNESS_CTRL_ON |
			  CTRL_DISP_BACKLIGHT_ON);

	ctrl |= 1 << 8;
	acx565akm_write(lcd, MIPI_DCS_WRITE_CONTROL_DISPLAY, (u8 *)&ctrl, 2);
}

static int acx565akm_bl_update_status_locked(struct backlight_device *dev)
{
	struct acx565akm_panel *lcd = dev_get_drvdata(&dev->dev);
	int level = backlight_get_brightness(dev);

	acx565akm_set_brightness(lcd, level);

	return 0;
}

static int acx565akm_bl_update_status(struct backlight_device *dev)
{
	struct acx565akm_panel *lcd = dev_get_drvdata(&dev->dev);
	int ret;

	mutex_lock(&lcd->mutex);
	ret = acx565akm_bl_update_status_locked(dev);
	mutex_unlock(&lcd->mutex);

	return ret;
}

static int acx565akm_bl_get_intensity(struct backlight_device *dev)
{
	struct acx565akm_panel *lcd = dev_get_drvdata(&dev->dev);
	unsigned int intensity;

	mutex_lock(&lcd->mutex);

	if (!backlight_is_blank(dev))
		intensity = acx565akm_get_actual_brightness(lcd);
	else
		intensity = 0;

	mutex_unlock(&lcd->mutex);

	return intensity;
}

static const struct backlight_ops acx565akm_bl_ops = {
	.get_brightness = acx565akm_bl_get_intensity,
	.update_status  = acx565akm_bl_update_status,
};

static int acx565akm_backlight_init(struct acx565akm_panel *lcd)
{
	struct backlight_properties props = {
		.power = FB_BLANK_UNBLANK,
		.type = BACKLIGHT_RAW,
	};
	int ret;

	lcd->backlight = backlight_device_register(lcd->name, &lcd->spi->dev,
						   lcd, &acx565akm_bl_ops,
						   &props);
	if (IS_ERR(lcd->backlight)) {
		ret = PTR_ERR(lcd->backlight);
		lcd->backlight = NULL;
		return ret;
	}

	if (lcd->has_cabc) {
		ret = sysfs_create_group(&lcd->backlight->dev.kobj,
					 &acx565akm_cabc_attr_group);
		if (ret < 0) {
			dev_err(&lcd->spi->dev,
				"%s failed to create sysfs files\n", __func__);
			backlight_device_unregister(lcd->backlight);
			return ret;
		}

		lcd->cabc_mode = acx565akm_get_hw_cabc_mode(lcd);
	}

	lcd->backlight->props.max_brightness = 255;
	lcd->backlight->props.brightness = acx565akm_get_actual_brightness(lcd);

	acx565akm_bl_update_status_locked(lcd->backlight);

	return 0;
}

static void acx565akm_backlight_cleanup(struct acx565akm_panel *lcd)
{
	if (lcd->has_cabc)
		sysfs_remove_group(&lcd->backlight->dev.kobj,
				   &acx565akm_cabc_attr_group);

	backlight_device_unregister(lcd->backlight);
}

/* -----------------------------------------------------------------------------
 * DRM Bridge Operations
 */

static void acx565akm_set_sleep_mode(struct acx565akm_panel *lcd, int on)
{
	int cmd = on ? MIPI_DCS_ENTER_SLEEP_MODE : MIPI_DCS_EXIT_SLEEP_MODE;
	unsigned long wait;

	/*
	 * We have to keep 120msec between sleep in/out commands.
	 * (8.2.15, 8.2.16).
	 */
	wait = lcd->hw_guard_end - jiffies;
	if ((long)wait > 0 && wait <= lcd->hw_guard_wait) {
		set_current_state(TASK_UNINTERRUPTIBLE);
		schedule_timeout(wait);
	}

	acx565akm_cmd(lcd, cmd);

	lcd->hw_guard_wait = msecs_to_jiffies(120);
	lcd->hw_guard_end = jiffies + lcd->hw_guard_wait;
}

static void acx565akm_set_display_state(struct acx565akm_panel *lcd,
					int enabled)
{
	int cmd = enabled ? MIPI_DCS_SET_DISPLAY_ON : MIPI_DCS_SET_DISPLAY_OFF;

	acx565akm_cmd(lcd, cmd);
}

static int acx565akm_power_on(struct acx565akm_panel *lcd)
{
	/*FIXME tweak me */
	msleep(50);

	gpiod_set_value(lcd->reset_gpio, 1);

	if (lcd->enabled) {
		dev_dbg(&lcd->spi->dev, "panel already enabled\n");
		return 0;
	}

	/*
	 * We have to meet all the following delay requirements:
	 * 1. tRW: reset pulse width 10usec (7.12.1)
	 * 2. tRT: reset cancel time 5msec (7.12.1)
	 * 3. Providing PCLK,HS,VS signals for 2 frames = ~50msec worst
	 *    case (7.6.2)
	 * 4. 120msec before the sleep out command (7.12.1)
	 */
	msleep(120);

	acx565akm_set_sleep_mode(lcd, 0);
	lcd->enabled = true;

	/* 5msec between sleep out and the next command. (8.2.16) */
	usleep_range(5000, 10000);
	acx565akm_set_display_state(lcd, 1);
	acx565akm_set_cabc_mode(lcd, lcd->cabc_mode);

	return acx565akm_bl_update_status_locked(lcd->backlight);
}

static void acx565akm_power_off(struct acx565akm_panel *lcd)
{
	if (!lcd->enabled)
		return;

	acx565akm_set_display_state(lcd, 0);
	acx565akm_set_sleep_mode(lcd, 1);
	lcd->enabled = false;
	/*
	 * We have to provide PCLK,HS,VS signals for 2 frames (worst case
	 * ~50msec) after sending the sleep in command and asserting the
	 * reset signal. We probably could assert the reset w/o the delay
	 * but we still delay to avoid possible artifacts. (7.6.1)
	 */
	msleep(50);

	gpiod_set_value(lcd->reset_gpio, 0);

	/* FIXME need to tweak this delay */
	msleep(100);
}

static int acx565akm_disable(struct drm_panel *panel)
{
	struct acx565akm_panel *lcd = to_acx565akm_device(panel);

	mutex_lock(&lcd->mutex);
	acx565akm_power_off(lcd);
	mutex_unlock(&lcd->mutex);

	return 0;
}

static int acx565akm_enable(struct drm_panel *panel)
{
	struct acx565akm_panel *lcd = to_acx565akm_device(panel);

	mutex_lock(&lcd->mutex);
	acx565akm_power_on(lcd);
	mutex_unlock(&lcd->mutex);

	return 0;
}

static const struct drm_display_mode acx565akm_mode = {
	.clock = 24000,
	.hdisplay = 800,
	.hsync_start = 800 + 28,
	.hsync_end = 800 + 28 + 4,
	.htotal = 800 + 28 + 4 + 24,
	.vdisplay = 480,
	.vsync_start = 480 + 3,
	.vsync_end = 480 + 3 + 3,
	.vtotal = 480 + 3 + 3 + 4,
	.type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
	.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
	.width_mm = 77,
	.height_mm = 46,
};

static int acx565akm_get_modes(struct drm_panel *panel,
			       struct drm_connector *connector)
{
	struct drm_display_mode *mode;

	mode = drm_mode_duplicate(connector->dev, &acx565akm_mode);
	if (!mode)
		return -ENOMEM;

	drm_mode_set_name(mode);
	drm_mode_probed_add(connector, mode);

	connector->display_info.width_mm = acx565akm_mode.width_mm;
	connector->display_info.height_mm = acx565akm_mode.height_mm;
	connector->display_info.bus_flags = DRM_BUS_FLAG_DE_HIGH
					  | DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE
					  | DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE;

	return 1;
}

static const struct drm_panel_funcs acx565akm_funcs = {
	.disable = acx565akm_disable,
	.enable = acx565akm_enable,
	.get_modes = acx565akm_get_modes,
};

/* -----------------------------------------------------------------------------
 * Probe, Detect and Remove
 */

static int acx565akm_detect(struct acx565akm_panel *lcd)
{
	__be32 value;
	u32 status;
	int ret = 0;

	/*
	 * After being taken out of reset the panel needs 5ms before the first
	 * command can be sent.
	 */
	gpiod_set_value(lcd->reset_gpio, 1);
	usleep_range(5000, 10000);

	acx565akm_read(lcd, MIPI_DCS_GET_DISPLAY_STATUS, (u8 *)&value, 4);
	status = __be32_to_cpu(value);
	lcd->enabled = (status & (1 << 17)) && (status & (1 << 10));

	dev_dbg(&lcd->spi->dev,
		"LCD panel %s by bootloader (status 0x%04x)\n",
		lcd->enabled ? "enabled" : "disabled ", status);

	acx565akm_read(lcd, MIPI_DCS_GET_DISPLAY_ID, lcd->display_id, 3);
	dev_dbg(&lcd->spi->dev, "MIPI display ID: %02x%02x%02x\n",
		lcd->display_id[0], lcd->display_id[1], lcd->display_id[2]);

	switch (lcd->display_id[0]) {
	case 0x10:
		lcd->model = MIPID_VER_ACX565AKM;
		lcd->name = "acx565akm";
		lcd->has_bc = 1;
		lcd->has_cabc = 1;
		break;
	case 0x29:
		lcd->model = MIPID_VER_L4F00311;
		lcd->name = "l4f00311";
		break;
	case 0x45:
		lcd->model = MIPID_VER_LPH8923;
		lcd->name = "lph8923";
		break;
	case 0x83:
		lcd->model = MIPID_VER_LS041Y3;
		lcd->name = "ls041y3";
		break;
	default:
		lcd->name = "unknown";
		dev_err(&lcd->spi->dev, "unknown display ID\n");
		ret = -ENODEV;
		goto done;
	}

	lcd->revision = lcd->display_id[1];

	dev_info(&lcd->spi->dev, "%s rev %02x panel detected\n",
		 lcd->name, lcd->revision);

done:
	if (!lcd->enabled)
		gpiod_set_value(lcd->reset_gpio, 0);

	return ret;
}

static int acx565akm_probe(struct spi_device *spi)
{
	struct acx565akm_panel *lcd;
	int ret;

	lcd = devm_kzalloc(&spi->dev, sizeof(*lcd), GFP_KERNEL);
	if (!lcd)
		return -ENOMEM;

	spi_set_drvdata(spi, lcd);
	spi->mode = SPI_MODE_3;

	lcd->spi = spi;
	mutex_init(&lcd->mutex);

	lcd->reset_gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_HIGH);
	if (IS_ERR(lcd->reset_gpio)) {
		dev_err(&spi->dev, "failed to get reset GPIO\n");
		return PTR_ERR(lcd->reset_gpio);
	}

	ret = acx565akm_detect(lcd);
	if (ret < 0) {
		dev_err(&spi->dev, "panel detection failed\n");
		return ret;
	}

	if (lcd->has_bc) {
		ret = acx565akm_backlight_init(lcd);
		if (ret < 0)
			return ret;
	}

	drm_panel_init(&lcd->panel, &lcd->spi->dev, &acx565akm_funcs,
		       DRM_MODE_CONNECTOR_DPI);

	drm_panel_add(&lcd->panel);

	return 0;
}

static void acx565akm_remove(struct spi_device *spi)
{
	struct acx565akm_panel *lcd = spi_get_drvdata(spi);

	drm_panel_remove(&lcd->panel);

	if (lcd->has_bc)
		acx565akm_backlight_cleanup(lcd);

	drm_panel_disable(&lcd->panel);
	drm_panel_unprepare(&lcd->panel);
}

static const struct of_device_id acx565akm_of_match[] = {
	{ .compatible = "sony,acx565akm", },
	{ /* sentinel */ },
};

MODULE_DEVICE_TABLE(of, acx565akm_of_match);

static const struct spi_device_id acx565akm_ids[] = {
	{ "acx565akm", 0 },
	{ /* sentinel */ }
};

MODULE_DEVICE_TABLE(spi, acx565akm_ids);

static struct spi_driver acx565akm_driver = {
	.probe		= acx565akm_probe,
	.remove		= acx565akm_remove,
	.id_table	= acx565akm_ids,
	.driver		= {
		.name	= "panel-sony-acx565akm",
		.of_match_table = acx565akm_of_match,
	},
};

module_spi_driver(acx565akm_driver);

MODULE_AUTHOR("Nokia Corporation");
MODULE_DESCRIPTION("Sony ACX565AKM LCD Panel Driver");
MODULE_LICENSE("GPL");