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-rw-r--r--drivers/video/omap2/Kconfig1
-rw-r--r--drivers/video/omap2/Makefile1
-rw-r--r--drivers/video/omap2/displays/Kconfig16
-rw-r--r--drivers/video/omap2/displays/Makefile2
-rw-r--r--drivers/video/omap2/displays/panel-generic.c104
-rw-r--r--drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c153
6 files changed, 277 insertions, 0 deletions
diff --git a/drivers/video/omap2/Kconfig b/drivers/video/omap2/Kconfig
index 3e60d7e88540..d877c361abda 100644
--- a/drivers/video/omap2/Kconfig
+++ b/drivers/video/omap2/Kconfig
@@ -6,3 +6,4 @@ config OMAP2_VRFB
6 6
7source "drivers/video/omap2/dss/Kconfig" 7source "drivers/video/omap2/dss/Kconfig"
8source "drivers/video/omap2/omapfb/Kconfig" 8source "drivers/video/omap2/omapfb/Kconfig"
9source "drivers/video/omap2/displays/Kconfig"
diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile
index 3ba6ef5e30d4..d853d05dad31 100644
--- a/drivers/video/omap2/Makefile
+++ b/drivers/video/omap2/Makefile
@@ -3,3 +3,4 @@ obj-$(CONFIG_OMAP2_VRFB) += vrfb.o
3 3
4obj-y += dss/ 4obj-y += dss/
5obj-y += omapfb/ 5obj-y += omapfb/
6obj-y += displays/
diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
new file mode 100644
index 000000000000..2a39bfeca11d
--- /dev/null
+++ b/drivers/video/omap2/displays/Kconfig
@@ -0,0 +1,16 @@
1menu "OMAP2/3 Display Device Drivers"
2 depends on OMAP2_DSS
3
4config PANEL_GENERIC
5 tristate "Generic Panel"
6 help
7 Generic panel driver.
8 Used for DVI output for Beagle and OMAP3 SDP.
9
10config PANEL_SHARP_LS037V7DW01
11 tristate "Sharp LS037V7DW01 LCD Panel"
12 depends on OMAP2_DSS
13 help
14 LCD Panel used in TI's SDP3430 and EVM boards
15
16endmenu
diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
new file mode 100644
index 000000000000..12dd37c227df
--- /dev/null
+++ b/drivers/video/omap2/displays/Makefile
@@ -0,0 +1,2 @@
1obj-$(CONFIG_PANEL_GENERIC) += panel-generic.o
2obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
diff --git a/drivers/video/omap2/displays/panel-generic.c b/drivers/video/omap2/displays/panel-generic.c
new file mode 100644
index 000000000000..eb48d1afd800
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-generic.c
@@ -0,0 +1,104 @@
1/*
2 * Generic panel support
3 *
4 * Copyright (C) 2008 Nokia Corporation
5 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.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 * 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
14 * more details.
15 *
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/>.
18 */
19
20#include <linux/module.h>
21#include <linux/delay.h>
22
23#include <plat/display.h>
24
25static struct omap_video_timings generic_panel_timings = {
26 /* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */
27 .x_res = 640,
28 .y_res = 480,
29 .pixel_clock = 23500,
30 .hfp = 48,
31 .hsw = 32,
32 .hbp = 80,
33 .vfp = 3,
34 .vsw = 4,
35 .vbp = 7,
36};
37
38static int generic_panel_probe(struct omap_dss_device *dssdev)
39{
40 dssdev->panel.config = OMAP_DSS_LCD_TFT;
41 dssdev->panel.timings = generic_panel_timings;
42
43 return 0;
44}
45
46static void generic_panel_remove(struct omap_dss_device *dssdev)
47{
48}
49
50static int generic_panel_enable(struct omap_dss_device *dssdev)
51{
52 int r = 0;
53
54 if (dssdev->platform_enable)
55 r = dssdev->platform_enable(dssdev);
56
57 return r;
58}
59
60static void generic_panel_disable(struct omap_dss_device *dssdev)
61{
62 if (dssdev->platform_disable)
63 dssdev->platform_disable(dssdev);
64}
65
66static int generic_panel_suspend(struct omap_dss_device *dssdev)
67{
68 generic_panel_disable(dssdev);
69 return 0;
70}
71
72static int generic_panel_resume(struct omap_dss_device *dssdev)
73{
74 return generic_panel_enable(dssdev);
75}
76
77static struct omap_dss_driver generic_driver = {
78 .probe = generic_panel_probe,
79 .remove = generic_panel_remove,
80
81 .enable = generic_panel_enable,
82 .disable = generic_panel_disable,
83 .suspend = generic_panel_suspend,
84 .resume = generic_panel_resume,
85
86 .driver = {
87 .name = "generic_panel",
88 .owner = THIS_MODULE,
89 },
90};
91
92static int __init generic_panel_drv_init(void)
93{
94 return omap_dss_register_driver(&generic_driver);
95}
96
97static void __exit generic_panel_drv_exit(void)
98{
99 omap_dss_unregister_driver(&generic_driver);
100}
101
102module_init(generic_panel_drv_init);
103module_exit(generic_panel_drv_exit);
104MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
new file mode 100644
index 000000000000..bbe880bbe795
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
@@ -0,0 +1,153 @@
1/*
2 * LCD panel driver for Sharp LS037V7DW01
3 *
4 * Copyright (C) 2008 Nokia Corporation
5 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.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 * 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
14 * more details.
15 *
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/>.
18 */
19
20#include <linux/module.h>
21#include <linux/delay.h>
22#include <linux/device.h>
23#include <linux/regulator/consumer.h>
24#include <linux/err.h>
25
26#include <plat/display.h>
27
28struct sharp_data {
29 /* XXX This regulator should actually be in SDP board file, not here,
30 * as it doesn't actually power the LCD, but something else that
31 * affects the output to LCD (I think. Somebody clarify). It doesn't do
32 * harm here, as SDP is the only board using this currently */
33 struct regulator *vdvi_reg;
34};
35
36static struct omap_video_timings sharp_ls_timings = {
37 .x_res = 480,
38 .y_res = 640,
39
40 .pixel_clock = 19200,
41
42 .hsw = 2,
43 .hfp = 1,
44 .hbp = 28,
45
46 .vsw = 1,
47 .vfp = 1,
48 .vbp = 1,
49};
50
51static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
52{
53 struct sharp_data *sd;
54
55 dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
56 OMAP_DSS_LCD_IHS;
57 dssdev->panel.acb = 0x28;
58 dssdev->panel.timings = sharp_ls_timings;
59
60 sd = kzalloc(sizeof(*sd), GFP_KERNEL);
61 if (!sd)
62 return -ENOMEM;
63
64 dev_set_drvdata(&dssdev->dev, sd);
65
66 sd->vdvi_reg = regulator_get(&dssdev->dev, "vdvi");
67 if (IS_ERR(sd->vdvi_reg)) {
68 kfree(sd);
69 pr_err("failed to get VDVI regulator\n");
70 return PTR_ERR(sd->vdvi_reg);
71 }
72
73 return 0;
74}
75
76static void sharp_ls_panel_remove(struct omap_dss_device *dssdev)
77{
78 struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
79
80 regulator_put(sd->vdvi_reg);
81
82 kfree(sd);
83}
84
85static int sharp_ls_panel_enable(struct omap_dss_device *dssdev)
86{
87 struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
88 int r = 0;
89
90 /* wait couple of vsyncs until enabling the LCD */
91 msleep(50);
92
93 regulator_enable(sd->vdvi_reg);
94
95 if (dssdev->platform_enable)
96 r = dssdev->platform_enable(dssdev);
97
98 return r;
99}
100
101static void sharp_ls_panel_disable(struct omap_dss_device *dssdev)
102{
103 struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
104
105 if (dssdev->platform_disable)
106 dssdev->platform_disable(dssdev);
107
108 regulator_disable(sd->vdvi_reg);
109
110 /* wait at least 5 vsyncs after disabling the LCD */
111
112 msleep(100);
113}
114
115static int sharp_ls_panel_suspend(struct omap_dss_device *dssdev)
116{
117 sharp_ls_panel_disable(dssdev);
118 return 0;
119}
120
121static int sharp_ls_panel_resume(struct omap_dss_device *dssdev)
122{
123 return sharp_ls_panel_enable(dssdev);
124}
125
126static struct omap_dss_driver sharp_ls_driver = {
127 .probe = sharp_ls_panel_probe,
128 .remove = sharp_ls_panel_remove,
129
130 .enable = sharp_ls_panel_enable,
131 .disable = sharp_ls_panel_disable,
132 .suspend = sharp_ls_panel_suspend,
133 .resume = sharp_ls_panel_resume,
134
135 .driver = {
136 .name = "sharp_ls_panel",
137 .owner = THIS_MODULE,
138 },
139};
140
141static int __init sharp_ls_panel_drv_init(void)
142{
143 return omap_dss_register_driver(&sharp_ls_driver);
144}
145
146static void __exit sharp_ls_panel_drv_exit(void)
147{
148 omap_dss_unregister_driver(&sharp_ls_driver);
149}
150
151module_init(sharp_ls_panel_drv_init);
152module_exit(sharp_ls_panel_drv_exit);
153MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-28 21:26:56 -0500