2 * Generic DPI Panels support
4 * Copyright (C) 2010 Canonical Ltd.
5 * Author: Bryan Wu <bryan.wu@canonical.com>
7 * LCD panel driver for Sharp LQ043T1DG01
9 * Copyright (C) 2009 Texas Instruments Inc
10 * Author: Vaibhav Hiremath <hvaibhav@ti.com>
12 * LCD panel driver for Toppoly TDO35S
14 * Copyright (C) 2009 CompuLab, Ltd.
15 * Author: Mike Rapoport <mike@compulab.co.il>
17 * Copyright (C) 2008 Nokia Corporation
18 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
20 * This program is free software; you can redistribute it and/or modify it
21 * under the terms of the GNU General Public License version 2 as published by
22 * the Free Software Foundation.
24 * This program is distributed in the hope that it will be useful, but WITHOUT
25 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
26 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
29 * You should have received a copy of the GNU General Public License along with
30 * this program. If not, see <http://www.gnu.org/licenses/>.
33 #include <linux/module.h>
34 #include <linux/delay.h>
35 #include <linux/slab.h>
36 #include <video/omapdss.h>
38 #include <video/omap-panel-generic-dpi.h>
41 struct omap_video_timings timings;
43 int acbi; /* ac-bias pin transitions per interrupt */
44 /* Unit: line clocks */
45 int acb; /* ac-bias pin frequency */
47 enum omap_panel_config config;
53 * Used to match device to panel configuration
54 * when use generic panel driver
59 /* Panel configurations */
60 static struct panel_config generic_dpi_panels[] = {
61 /* Sharp LQ043T1DG01 */
79 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
80 OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO,
82 .power_off_delay = 100,
86 /* Sharp LS037V7DW01 */
104 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
106 .power_on_delay = 50,
107 .power_off_delay = 100,
117 .pixel_clock = 26000,
129 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
130 OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC |
133 .power_off_delay = 0,
134 .name = "toppoly_tdo35s",
137 /* Samsung LTE430WQ-F0C */
155 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
158 .power_off_delay = 0,
159 .name = "samsung_lte430wq_f0c",
162 /* Seiko 70WVW1TZ3Z3 */
168 .pixel_clock = 33000,
180 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
183 .power_off_delay = 0,
184 .name = "seiko_70wvw1tz3",
187 /* Powertip PH480272T */
205 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
206 OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO,
208 .power_off_delay = 0,
209 .name = "powertip_ph480272t",
212 /* Innolux AT070TN83 */
218 .pixel_clock = 40000,
230 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
233 .power_off_delay = 0,
234 .name = "innolux_at070tn83",
237 /* NEC NL2432DR22-11B */
253 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
255 .name = "nec_nl2432dr22-11b",
258 /* Unknown panel used in OMAP H4 */
274 .config = OMAP_DSS_LCD_TFT,
279 /* Unknown panel used in Samsung OMAP2 Apollon */
295 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
300 /* FocalTech ETM070003DH6 */
306 .pixel_clock = 28000,
316 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
318 .name = "focaltech_etm070003dh6",
321 /* Microtips Technologies - UMSH-8173MD */
327 .pixel_clock = 34560,
339 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
340 OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC,
342 .power_off_delay = 0,
343 .name = "microtips_umsh_8173md",
346 /* OrtusTech COM43H4M10XTC */
362 .config = OMAP_DSS_LCD_TFT,
364 .name = "ortustech_com43h4m10xtc",
367 /* Innolux AT080TN52 */
373 .pixel_clock = 41142,
384 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
385 OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO,
387 .name = "innolux_at080tn52",
390 /* Mitsubishi AA084SB01 */
395 .pixel_clock = 40000,
405 .config = OMAP_DSS_LCD_TFT,
406 .name = "mitsubishi_aa084sb01",
408 /* EDT ET0500G0DH6 */
413 .pixel_clock = 33260,
423 .config = OMAP_DSS_LCD_TFT,
424 .name = "edt_et0500g0dh6",
427 /* Prime-View PD050VL1 */
433 .pixel_clock = 25000,
443 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
444 OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC,
445 .name = "primeview_pd050vl1",
448 /* Prime-View PM070WL4 */
454 .pixel_clock = 32000,
464 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
465 OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC,
466 .name = "primeview_pm070wl4",
469 /* Prime-View PD104SLF */
475 .pixel_clock = 40000,
485 .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
486 OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC,
487 .name = "primeview_pd104slf",
491 struct panel_drv_data {
493 struct omap_dss_device *dssdev;
495 struct panel_config *panel_config;
498 static inline struct panel_generic_dpi_data
499 *get_panel_data(const struct omap_dss_device *dssdev)
501 return (struct panel_generic_dpi_data *) dssdev->data;
504 static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev)
507 struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
508 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
509 struct panel_config *panel_config = drv_data->panel_config;
511 if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
514 r = omapdss_dpi_display_enable(dssdev);
518 /* wait couple of vsyncs until enabling the LCD */
519 if (panel_config->power_on_delay)
520 msleep(panel_config->power_on_delay);
522 if (panel_data->platform_enable) {
523 r = panel_data->platform_enable(dssdev);
530 omapdss_dpi_display_disable(dssdev);
535 static void generic_dpi_panel_power_off(struct omap_dss_device *dssdev)
537 struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
538 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
539 struct panel_config *panel_config = drv_data->panel_config;
541 if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
544 if (panel_data->platform_disable)
545 panel_data->platform_disable(dssdev);
547 /* wait couple of vsyncs after disabling the LCD */
548 if (panel_config->power_off_delay)
549 msleep(panel_config->power_off_delay);
551 omapdss_dpi_display_disable(dssdev);
554 static int generic_dpi_panel_probe(struct omap_dss_device *dssdev)
556 struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
557 struct panel_config *panel_config = NULL;
558 struct panel_drv_data *drv_data = NULL;
561 dev_dbg(&dssdev->dev, "probe\n");
563 if (!panel_data || !panel_data->name)
566 for (i = 0; i < ARRAY_SIZE(generic_dpi_panels); i++) {
567 if (strcmp(panel_data->name, generic_dpi_panels[i].name) == 0) {
568 panel_config = &generic_dpi_panels[i];
576 dssdev->panel.config = panel_config->config;
577 dssdev->panel.timings = panel_config->timings;
578 dssdev->panel.acb = panel_config->acb;
579 dssdev->panel.acbi = panel_config->acbi;
581 drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
585 drv_data->dssdev = dssdev;
586 drv_data->panel_config = panel_config;
588 dev_set_drvdata(&dssdev->dev, drv_data);
593 static void __exit generic_dpi_panel_remove(struct omap_dss_device *dssdev)
595 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
597 dev_dbg(&dssdev->dev, "remove\n");
601 dev_set_drvdata(&dssdev->dev, NULL);
604 static int generic_dpi_panel_enable(struct omap_dss_device *dssdev)
608 r = generic_dpi_panel_power_on(dssdev);
612 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
617 static void generic_dpi_panel_disable(struct omap_dss_device *dssdev)
619 generic_dpi_panel_power_off(dssdev);
621 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
624 static int generic_dpi_panel_suspend(struct omap_dss_device *dssdev)
626 generic_dpi_panel_power_off(dssdev);
628 dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
633 static int generic_dpi_panel_resume(struct omap_dss_device *dssdev)
637 r = generic_dpi_panel_power_on(dssdev);
641 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
646 static void generic_dpi_panel_set_timings(struct omap_dss_device *dssdev,
647 struct omap_video_timings *timings)
649 dpi_set_timings(dssdev, timings);
652 static int generic_dpi_panel_check_timings(struct omap_dss_device *dssdev,
653 struct omap_video_timings *timings)
655 return dpi_check_timings(dssdev, timings);
658 static struct omap_dss_driver dpi_driver = {
659 .probe = generic_dpi_panel_probe,
660 .remove = __exit_p(generic_dpi_panel_remove),
662 .enable = generic_dpi_panel_enable,
663 .disable = generic_dpi_panel_disable,
664 .suspend = generic_dpi_panel_suspend,
665 .resume = generic_dpi_panel_resume,
667 .set_timings = generic_dpi_panel_set_timings,
668 .check_timings = generic_dpi_panel_check_timings,
671 .name = "generic_dpi_panel",
672 .owner = THIS_MODULE,
676 static int __init generic_dpi_panel_drv_init(void)
678 return omap_dss_register_driver(&dpi_driver);
681 static void __exit generic_dpi_panel_drv_exit(void)
683 omap_dss_unregister_driver(&dpi_driver);
686 module_init(generic_dpi_panel_drv_init);
687 module_exit(generic_dpi_panel_drv_exit);
688 MODULE_LICENSE("GPL");