2 * Taal DSI command mode panel
4 * Copyright (C) 2009 Nokia Corporation
5 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
22 #include <linux/module.h>
23 #include <linux/delay.h>
24 #include <linux/err.h>
25 #include <linux/jiffies.h>
26 #include <linux/sched.h>
27 #include <linux/backlight.h>
29 #include <linux/interrupt.h>
30 #include <linux/gpio.h>
31 #include <linux/completion.h>
32 #include <linux/workqueue.h>
33 #include <linux/slab.h>
35 #include <plat/display.h>
37 /* DSI Virtual channel. Hardcoded for now. */
40 #define DCS_READ_NUM_ERRORS 0x05
41 #define DCS_READ_POWER_MODE 0x0a
42 #define DCS_READ_MADCTL 0x0b
43 #define DCS_READ_PIXEL_FORMAT 0x0c
44 #define DCS_RDDSDR 0x0f
45 #define DCS_SLEEP_IN 0x10
46 #define DCS_SLEEP_OUT 0x11
47 #define DCS_DISPLAY_OFF 0x28
48 #define DCS_DISPLAY_ON 0x29
49 #define DCS_COLUMN_ADDR 0x2a
50 #define DCS_PAGE_ADDR 0x2b
51 #define DCS_MEMORY_WRITE 0x2c
52 #define DCS_TEAR_OFF 0x34
53 #define DCS_TEAR_ON 0x35
54 #define DCS_MEM_ACC_CTRL 0x36
55 #define DCS_PIXEL_FORMAT 0x3a
56 #define DCS_BRIGHTNESS 0x51
57 #define DCS_CTRL_DISPLAY 0x53
58 #define DCS_WRITE_CABC 0x55
59 #define DCS_READ_CABC 0x56
60 #define DCS_GET_ID1 0xda
61 #define DCS_GET_ID2 0xdb
62 #define DCS_GET_ID3 0xdc
64 /* #define TAAL_USE_ESD_CHECK */
65 #define TAAL_ESD_CHECK_PERIOD msecs_to_jiffies(5000)
67 static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
70 struct backlight_device *bldev;
72 unsigned long hw_guard_end; /* next value of jiffies when we can
73 * issue the next sleep in/out command
75 unsigned long hw_guard_wait; /* max guard time in jiffies */
77 struct omap_dss_device *dssdev;
85 struct completion te_completion;
94 struct workqueue_struct *esd_wq;
95 struct delayed_work esd_work;
98 static void taal_esd_work(struct work_struct *work);
100 static void hw_guard_start(struct taal_data *td, int guard_msec)
102 td->hw_guard_wait = msecs_to_jiffies(guard_msec);
103 td->hw_guard_end = jiffies + td->hw_guard_wait;
106 static void hw_guard_wait(struct taal_data *td)
108 unsigned long wait = td->hw_guard_end - jiffies;
110 if ((long)wait > 0 && wait <= td->hw_guard_wait) {
111 set_current_state(TASK_UNINTERRUPTIBLE);
112 schedule_timeout(wait);
116 static int taal_dcs_read_1(u8 dcs_cmd, u8 *data)
121 r = dsi_vc_dcs_read(TCH, dcs_cmd, buf, 1);
131 static int taal_dcs_write_0(u8 dcs_cmd)
133 return dsi_vc_dcs_write(TCH, &dcs_cmd, 1);
136 static int taal_dcs_write_1(u8 dcs_cmd, u8 param)
141 return dsi_vc_dcs_write(TCH, buf, 2);
144 static int taal_sleep_in(struct taal_data *td)
153 r = dsi_vc_dcs_write_nosync(TCH, &cmd, 1);
157 hw_guard_start(td, 120);
164 static int taal_sleep_out(struct taal_data *td)
170 r = taal_dcs_write_0(DCS_SLEEP_OUT);
174 hw_guard_start(td, 120);
181 static int taal_get_id(u8 *id1, u8 *id2, u8 *id3)
185 r = taal_dcs_read_1(DCS_GET_ID1, id1);
188 r = taal_dcs_read_1(DCS_GET_ID2, id2);
191 r = taal_dcs_read_1(DCS_GET_ID3, id3);
198 static int taal_set_addr_mode(u8 rotate, bool mirror)
204 r = taal_dcs_read_1(DCS_READ_MADCTL, &mode);
235 mode &= ~((1<<7) | (1<<6) | (1<<5));
236 mode |= (b7 << 7) | (b6 << 6) | (b5 << 5);
238 return taal_dcs_write_1(DCS_MEM_ACC_CTRL, mode);
241 static int taal_set_update_window(u16 x, u16 y, u16 w, u16 h)
250 buf[0] = DCS_COLUMN_ADDR;
251 buf[1] = (x1 >> 8) & 0xff;
252 buf[2] = (x1 >> 0) & 0xff;
253 buf[3] = (x2 >> 8) & 0xff;
254 buf[4] = (x2 >> 0) & 0xff;
256 r = dsi_vc_dcs_write_nosync(TCH, buf, sizeof(buf));
260 buf[0] = DCS_PAGE_ADDR;
261 buf[1] = (y1 >> 8) & 0xff;
262 buf[2] = (y1 >> 0) & 0xff;
263 buf[3] = (y2 >> 8) & 0xff;
264 buf[4] = (y2 >> 0) & 0xff;
266 r = dsi_vc_dcs_write_nosync(TCH, buf, sizeof(buf));
270 dsi_vc_send_bta_sync(TCH);
275 static int taal_bl_update_status(struct backlight_device *dev)
277 struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev);
278 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
282 if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
283 dev->props.power == FB_BLANK_UNBLANK)
284 level = dev->props.brightness;
288 dev_dbg(&dssdev->dev, "update brightness to %d\n", level);
290 if (td->use_dsi_bl) {
293 r = taal_dcs_write_1(DCS_BRIGHTNESS, level);
299 if (!dssdev->set_backlight)
302 r = dssdev->set_backlight(dssdev, level);
310 static int taal_bl_get_intensity(struct backlight_device *dev)
312 if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
313 dev->props.power == FB_BLANK_UNBLANK)
314 return dev->props.brightness;
319 static struct backlight_ops taal_bl_ops = {
320 .get_brightness = taal_bl_get_intensity,
321 .update_status = taal_bl_update_status,
324 static void taal_get_timings(struct omap_dss_device *dssdev,
325 struct omap_video_timings *timings)
327 *timings = dssdev->panel.timings;
330 static void taal_get_resolution(struct omap_dss_device *dssdev,
331 u16 *xres, u16 *yres)
333 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
335 if (td->rotate == 0 || td->rotate == 2) {
336 *xres = dssdev->panel.timings.x_res;
337 *yres = dssdev->panel.timings.y_res;
339 *yres = dssdev->panel.timings.x_res;
340 *xres = dssdev->panel.timings.y_res;
344 static irqreturn_t taal_te_isr(int irq, void *data)
346 struct omap_dss_device *dssdev = data;
347 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
349 complete_all(&td->te_completion);
354 static ssize_t taal_num_errors_show(struct device *dev,
355 struct device_attribute *attr, char *buf)
357 struct omap_dss_device *dssdev = to_dss_device(dev);
358 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
364 r = taal_dcs_read_1(DCS_READ_NUM_ERRORS, &errors);
373 return snprintf(buf, PAGE_SIZE, "%d\n", errors);
376 static ssize_t taal_hw_revision_show(struct device *dev,
377 struct device_attribute *attr, char *buf)
379 struct omap_dss_device *dssdev = to_dss_device(dev);
380 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
386 r = taal_get_id(&id1, &id2, &id3);
395 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x\n", id1, id2, id3);
398 static const char *cabc_modes[] = {
399 "off", /* used also always when CABC is not supported */
405 static ssize_t show_cabc_mode(struct device *dev,
406 struct device_attribute *attr,
409 struct omap_dss_device *dssdev = to_dss_device(dev);
410 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
411 const char *mode_str;
415 mode = td->cabc_mode;
417 mode_str = "unknown";
418 if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes))
419 mode_str = cabc_modes[mode];
420 len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str);
422 return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1;
425 static ssize_t store_cabc_mode(struct device *dev,
426 struct device_attribute *attr,
427 const char *buf, size_t count)
429 struct omap_dss_device *dssdev = to_dss_device(dev);
430 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
433 for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
434 if (sysfs_streq(cabc_modes[i], buf))
438 if (i == ARRAY_SIZE(cabc_modes))
443 if (!td->cabc_broken)
444 taal_dcs_write_1(DCS_WRITE_CABC, i);
453 static ssize_t show_cabc_available_modes(struct device *dev,
454 struct device_attribute *attr,
461 len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++)
462 len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s",
463 i ? " " : "", cabc_modes[i],
464 i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : "");
466 return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
469 static DEVICE_ATTR(num_dsi_errors, S_IRUGO, taal_num_errors_show, NULL);
470 static DEVICE_ATTR(hw_revision, S_IRUGO, taal_hw_revision_show, NULL);
471 static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
472 show_cabc_mode, store_cabc_mode);
473 static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
474 show_cabc_available_modes, NULL);
476 static struct attribute *taal_attrs[] = {
477 &dev_attr_num_dsi_errors.attr,
478 &dev_attr_hw_revision.attr,
479 &dev_attr_cabc_mode.attr,
480 &dev_attr_cabc_available_modes.attr,
484 static struct attribute_group taal_attr_group = {
488 static int taal_probe(struct omap_dss_device *dssdev)
490 struct backlight_properties props;
491 struct taal_data *td;
492 struct backlight_device *bldev;
495 const struct omap_video_timings taal_panel_timings = {
500 dev_dbg(&dssdev->dev, "probe\n");
502 dssdev->panel.config = OMAP_DSS_LCD_TFT;
503 dssdev->panel.timings = taal_panel_timings;
504 dssdev->ctrl.pixel_size = 24;
506 td = kzalloc(sizeof(*td), GFP_KERNEL);
513 td->esd_wq = create_singlethread_workqueue("taal_esd");
514 if (td->esd_wq == NULL) {
515 dev_err(&dssdev->dev, "can't create ESD workqueue\n");
519 INIT_DELAYED_WORK_DEFERRABLE(&td->esd_work, taal_esd_work);
521 dev_set_drvdata(&dssdev->dev, td);
523 /* if no platform set_backlight() defined, presume DSI backlight
525 memset(&props, 0, sizeof(struct backlight_properties));
526 if (!dssdev->set_backlight)
527 td->use_dsi_bl = true;
530 props.max_brightness = 255;
532 props.max_brightness = 127;
533 bldev = backlight_device_register("taal", &dssdev->dev, dssdev,
534 &taal_bl_ops, &props);
542 bldev->props.fb_blank = FB_BLANK_UNBLANK;
543 bldev->props.power = FB_BLANK_UNBLANK;
545 bldev->props.brightness = 255;
547 bldev->props.brightness = 127;
549 taal_bl_update_status(bldev);
551 if (dssdev->phy.dsi.ext_te) {
552 int gpio = dssdev->phy.dsi.ext_te_gpio;
554 r = gpio_request(gpio, "taal irq");
556 dev_err(&dssdev->dev, "GPIO request failed\n");
560 gpio_direction_input(gpio);
562 r = request_irq(gpio_to_irq(gpio), taal_te_isr,
563 IRQF_DISABLED | IRQF_TRIGGER_RISING,
564 "taal vsync", dssdev);
567 dev_err(&dssdev->dev, "IRQ request failed\n");
572 init_completion(&td->te_completion);
574 td->use_ext_te = true;
577 r = sysfs_create_group(&dssdev->dev.kobj, &taal_attr_group);
579 dev_err(&dssdev->dev, "failed to create sysfs files\n");
585 if (td->use_ext_te) {
586 int gpio = dssdev->phy.dsi.ext_te_gpio;
587 free_irq(gpio_to_irq(gpio), dssdev);
591 backlight_device_unregister(bldev);
593 cancel_delayed_work_sync(&td->esd_work);
594 destroy_workqueue(td->esd_wq);
601 static void taal_remove(struct omap_dss_device *dssdev)
603 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
604 struct backlight_device *bldev;
606 dev_dbg(&dssdev->dev, "remove\n");
608 sysfs_remove_group(&dssdev->dev.kobj, &taal_attr_group);
610 if (td->use_ext_te) {
611 int gpio = dssdev->phy.dsi.ext_te_gpio;
612 free_irq(gpio_to_irq(gpio), dssdev);
617 bldev->props.power = FB_BLANK_POWERDOWN;
618 taal_bl_update_status(bldev);
619 backlight_device_unregister(bldev);
621 cancel_delayed_work_sync(&td->esd_work);
622 destroy_workqueue(td->esd_wq);
627 static int taal_power_on(struct omap_dss_device *dssdev)
629 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
633 if (dssdev->platform_enable) {
634 r = dssdev->platform_enable(dssdev);
639 /* it seems we have to wait a bit until taal is ready */
644 r = omapdss_dsi_display_enable(dssdev);
646 dev_err(&dssdev->dev, "failed to enable DSI\n");
650 omapdss_dsi_vc_enable_hs(TCH, false);
652 r = taal_sleep_out(td);
656 r = taal_get_id(&id1, &id2, &id3);
660 /* on early revisions CABC is broken */
661 if (id2 == 0x00 || id2 == 0xff || id2 == 0x81)
662 td->cabc_broken = true;
664 taal_dcs_write_1(DCS_BRIGHTNESS, 0xff);
665 taal_dcs_write_1(DCS_CTRL_DISPLAY, (1<<2) | (1<<5)); /* BL | BCTRL */
667 taal_dcs_write_1(DCS_PIXEL_FORMAT, 0x7); /* 24bit/pixel */
669 taal_set_addr_mode(td->rotate, td->mirror);
670 if (!td->cabc_broken)
671 taal_dcs_write_1(DCS_WRITE_CABC, td->cabc_mode);
673 taal_dcs_write_0(DCS_DISPLAY_ON);
675 r = _taal_enable_te(dssdev, td->te_enabled);
679 #ifdef TAAL_USE_ESD_CHECK
680 queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
685 if (!td->intro_printed) {
686 dev_info(&dssdev->dev, "revision %02x.%02x.%02x\n",
689 dev_info(&dssdev->dev,
690 "old Taal version, CABC disabled\n");
691 td->intro_printed = true;
694 omapdss_dsi_vc_enable_hs(TCH, true);
702 omapdss_dsi_display_disable(dssdev);
704 if (dssdev->platform_disable)
705 dssdev->platform_disable(dssdev);
710 static void taal_power_off(struct omap_dss_device *dssdev)
712 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
716 cancel_delayed_work(&td->esd_work);
718 taal_dcs_write_0(DCS_DISPLAY_OFF);
721 /* wait a bit so that the message goes through */
724 omapdss_dsi_display_disable(dssdev);
726 if (dssdev->platform_disable)
727 dssdev->platform_disable(dssdev);
734 static int taal_enable(struct omap_dss_device *dssdev)
737 dev_dbg(&dssdev->dev, "enable\n");
739 if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
742 r = taal_power_on(dssdev);
746 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
751 static void taal_disable(struct omap_dss_device *dssdev)
753 dev_dbg(&dssdev->dev, "disable\n");
755 if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
756 taal_power_off(dssdev);
758 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
761 static int taal_suspend(struct omap_dss_device *dssdev)
763 dev_dbg(&dssdev->dev, "suspend\n");
765 if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
768 taal_power_off(dssdev);
769 dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
774 static int taal_resume(struct omap_dss_device *dssdev)
777 dev_dbg(&dssdev->dev, "resume\n");
779 if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED)
782 r = taal_power_on(dssdev);
783 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
787 static void taal_framedone_cb(int err, void *data)
789 struct omap_dss_device *dssdev = data;
790 dev_dbg(&dssdev->dev, "framedone, err %d\n", err);
794 static int taal_update(struct omap_dss_device *dssdev,
795 u16 x, u16 y, u16 w, u16 h)
797 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
800 dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
809 r = omap_dsi_prepare_update(dssdev, &x, &y, &w, &h);
813 r = taal_set_update_window(x, y, w, h);
817 r = omap_dsi_update(dssdev, TCH, x, y, w, h,
818 taal_framedone_cb, dssdev);
822 /* note: no bus_unlock here. unlock is in framedone_cb */
829 static int taal_sync(struct omap_dss_device *dssdev)
831 dev_dbg(&dssdev->dev, "sync\n");
836 dev_dbg(&dssdev->dev, "sync done\n");
841 static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
843 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
846 td->te_enabled = enable;
849 r = taal_dcs_write_1(DCS_TEAR_ON, 0);
851 r = taal_dcs_write_0(DCS_TEAR_OFF);
853 omapdss_dsi_enable_te(dssdev, enable);
855 /* XXX for some reason, DSI TE breaks if we don't wait here.
856 * Panel bug? Needs more studying */
862 static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
868 r = _taal_enable_te(dssdev, enable);
875 static int taal_get_te(struct omap_dss_device *dssdev)
877 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
878 return td->te_enabled;
881 static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
883 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
886 dev_dbg(&dssdev->dev, "rotate %d\n", rotate);
891 r = taal_set_addr_mode(rotate, td->mirror);
905 static u8 taal_get_rotate(struct omap_dss_device *dssdev)
907 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
911 static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
913 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
916 dev_dbg(&dssdev->dev, "mirror %d\n", enable);
920 r = taal_set_addr_mode(td->rotate, enable);
934 static bool taal_get_mirror(struct omap_dss_device *dssdev)
936 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
940 static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
947 r = taal_dcs_read_1(DCS_GET_ID1, &id1);
950 r = taal_dcs_read_1(DCS_GET_ID2, &id2);
953 r = taal_dcs_read_1(DCS_GET_ID3, &id3);
964 static int taal_memory_read(struct omap_dss_device *dssdev,
965 void *buf, size_t size,
966 u16 x, u16 y, u16 w, u16 h)
971 unsigned buf_used = 0;
972 struct taal_data *td = dev_get_drvdata(&dssdev->dev);
977 if (size < w * h * 3)
980 size = min(w * h * 3,
981 dssdev->panel.timings.x_res *
982 dssdev->panel.timings.y_res * 3);
986 /* plen 1 or 2 goes into short packet. until checksum error is fixed,
987 * use short packets. plen 32 works, but bigger packets seem to cause
994 taal_set_update_window(x, y, w, h);
996 r = dsi_vc_set_max_rx_packet_size(TCH, plen);
1000 while (buf_used < size) {
1001 u8 dcs_cmd = first ? 0x2e : 0x3e;
1004 r = dsi_vc_dcs_read(TCH, dcs_cmd,
1005 buf + buf_used, size - buf_used);
1008 dev_err(&dssdev->dev, "read error\n");
1015 dev_err(&dssdev->dev, "short read\n");
1019 if (signal_pending(current)) {
1020 dev_err(&dssdev->dev, "signal pending, "
1021 "aborting memory read\n");
1030 dsi_vc_set_max_rx_packet_size(TCH, 1);
1036 static void taal_esd_work(struct work_struct *work)
1038 struct taal_data *td = container_of(work, struct taal_data,
1040 struct omap_dss_device *dssdev = td->dssdev;
1049 r = taal_dcs_read_1(DCS_RDDSDR, &state1);
1051 dev_err(&dssdev->dev, "failed to read Taal status\n");
1055 /* Run self diagnostics */
1056 r = taal_sleep_out(td);
1058 dev_err(&dssdev->dev, "failed to run Taal self-diagnostics\n");
1062 r = taal_dcs_read_1(DCS_RDDSDR, &state2);
1064 dev_err(&dssdev->dev, "failed to read Taal status\n");
1068 /* Each sleep out command will trigger a self diagnostic and flip
1069 * Bit6 if the test passes.
1071 if (!((state1 ^ state2) & (1 << 6))) {
1072 dev_err(&dssdev->dev, "LCD self diagnostics failed\n");
1075 /* Self-diagnostics result is also shown on TE GPIO line. We need
1076 * to re-enable TE after self diagnostics */
1077 if (td->use_ext_te && td->te_enabled) {
1078 r = taal_dcs_write_1(DCS_TEAR_ON, 0);
1085 queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
1089 dev_err(&dssdev->dev, "performing LCD reset\n");
1091 taal_disable(dssdev);
1092 taal_enable(dssdev);
1096 queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
1099 static int taal_set_update_mode(struct omap_dss_device *dssdev,
1100 enum omap_dss_update_mode mode)
1102 if (mode != OMAP_DSS_UPDATE_MANUAL)
1107 static enum omap_dss_update_mode taal_get_update_mode(
1108 struct omap_dss_device *dssdev)
1110 return OMAP_DSS_UPDATE_MANUAL;
1113 static struct omap_dss_driver taal_driver = {
1114 .probe = taal_probe,
1115 .remove = taal_remove,
1117 .enable = taal_enable,
1118 .disable = taal_disable,
1119 .suspend = taal_suspend,
1120 .resume = taal_resume,
1122 .set_update_mode = taal_set_update_mode,
1123 .get_update_mode = taal_get_update_mode,
1125 .update = taal_update,
1128 .get_resolution = taal_get_resolution,
1129 .get_recommended_bpp = omapdss_default_get_recommended_bpp,
1131 .enable_te = taal_enable_te,
1132 .get_te = taal_get_te,
1134 .set_rotate = taal_rotate,
1135 .get_rotate = taal_get_rotate,
1136 .set_mirror = taal_mirror,
1137 .get_mirror = taal_get_mirror,
1138 .run_test = taal_run_test,
1139 .memory_read = taal_memory_read,
1141 .get_timings = taal_get_timings,
1145 .owner = THIS_MODULE,
1149 static int __init taal_init(void)
1151 omap_dss_register_driver(&taal_driver);
1156 static void __exit taal_exit(void)
1158 omap_dss_unregister_driver(&taal_driver);
1161 module_init(taal_init);
1162 module_exit(taal_exit);
1164 MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
1165 MODULE_DESCRIPTION("Taal Driver");
1166 MODULE_LICENSE("GPL");