Commit | Line | Data |
---|---|---|
b7ee79ab SS |
1 | /* |
2 | * OMAP2plus display device setup / initialization. | |
3 | * | |
4 | * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ | |
5 | * Senthilvadivu Guruswamy | |
6 | * Sumit Semwal | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
13 | * kind, whether express or implied; without even the implied warranty | |
14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | */ | |
17 | ||
18 | #include <linux/kernel.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/platform_device.h> | |
21 | #include <linux/io.h> | |
22 | #include <linux/clk.h> | |
23 | #include <linux/err.h> | |
24 | ||
a0b38cc4 | 25 | #include <video/omapdss.h> |
cf07f531 SG |
26 | #include <plat/omap_hwmod.h> |
27 | #include <plat/omap_device.h> | |
700dee78 | 28 | #include <plat/omap-pm.h> |
b7ee79ab SS |
29 | |
30 | static struct platform_device omap_display_device = { | |
31 | .name = "omapdss", | |
32 | .id = -1, | |
33 | .dev = { | |
34 | .platform_data = NULL, | |
35 | }, | |
36 | }; | |
37 | ||
cf07f531 SG |
38 | static struct omap_device_pm_latency omap_dss_latency[] = { |
39 | [0] = { | |
40 | .deactivate_func = omap_device_idle_hwmods, | |
41 | .activate_func = omap_device_enable_hwmods, | |
42 | .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, | |
43 | }, | |
44 | }; | |
45 | ||
179e0453 AT |
46 | struct omap_dss_hwmod_data { |
47 | const char *oh_name; | |
48 | const char *dev_name; | |
49 | const int id; | |
50 | }; | |
51 | ||
52 | static const struct omap_dss_hwmod_data omap2_dss_hwmod_data[] __initdata = { | |
53 | { "dss_core", "omapdss_dss", -1 }, | |
54 | { "dss_dispc", "omapdss_dispc", -1 }, | |
55 | { "dss_rfbi", "omapdss_rfbi", -1 }, | |
56 | { "dss_venc", "omapdss_venc", -1 }, | |
57 | }; | |
58 | ||
59 | static const struct omap_dss_hwmod_data omap3_dss_hwmod_data[] __initdata = { | |
60 | { "dss_core", "omapdss_dss", -1 }, | |
61 | { "dss_dispc", "omapdss_dispc", -1 }, | |
62 | { "dss_rfbi", "omapdss_rfbi", -1 }, | |
63 | { "dss_venc", "omapdss_venc", -1 }, | |
64 | { "dss_dsi1", "omapdss_dsi1", -1 }, | |
65 | }; | |
66 | ||
67 | static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initdata = { | |
68 | { "dss_core", "omapdss_dss", -1 }, | |
69 | { "dss_dispc", "omapdss_dispc", -1 }, | |
70 | { "dss_rfbi", "omapdss_rfbi", -1 }, | |
71 | { "dss_venc", "omapdss_venc", -1 }, | |
72 | { "dss_dsi1", "omapdss_dsi1", -1 }, | |
73 | { "dss_dsi2", "omapdss_dsi2", -1 }, | |
74 | { "dss_hdmi", "omapdss_hdmi", -1 }, | |
75 | }; | |
76 | ||
b7ee79ab SS |
77 | int __init omap_display_init(struct omap_dss_board_info *board_data) |
78 | { | |
79 | int r = 0; | |
cf07f531 SG |
80 | struct omap_hwmod *oh; |
81 | struct omap_device *od; | |
179e0453 | 82 | int i, oh_count; |
cf07f531 | 83 | struct omap_display_platform_data pdata; |
179e0453 | 84 | const struct omap_dss_hwmod_data *curr_dss_hwmod; |
cf07f531 SG |
85 | |
86 | memset(&pdata, 0, sizeof(pdata)); | |
87 | ||
179e0453 AT |
88 | if (cpu_is_omap24xx()) { |
89 | curr_dss_hwmod = omap2_dss_hwmod_data; | |
90 | oh_count = ARRAY_SIZE(omap2_dss_hwmod_data); | |
91 | } else if (cpu_is_omap34xx()) { | |
92 | curr_dss_hwmod = omap3_dss_hwmod_data; | |
93 | oh_count = ARRAY_SIZE(omap3_dss_hwmod_data); | |
94 | } else { | |
95 | curr_dss_hwmod = omap4_dss_hwmod_data; | |
96 | oh_count = ARRAY_SIZE(omap4_dss_hwmod_data); | |
97 | } | |
545376e7 | 98 | |
cf07f531 | 99 | pdata.board_data = board_data; |
700dee78 TV |
100 | pdata.board_data->get_context_loss_count = |
101 | omap_pm_get_dev_context_loss_count; | |
cf07f531 SG |
102 | |
103 | for (i = 0; i < oh_count; i++) { | |
179e0453 | 104 | oh = omap_hwmod_lookup(curr_dss_hwmod[i].oh_name); |
cf07f531 | 105 | if (!oh) { |
179e0453 AT |
106 | pr_err("Could not look up %s\n", |
107 | curr_dss_hwmod[i].oh_name); | |
cf07f531 SG |
108 | return -ENODEV; |
109 | } | |
fd4b34f6 | 110 | |
179e0453 AT |
111 | od = omap_device_build(curr_dss_hwmod[i].dev_name, |
112 | curr_dss_hwmod[i].id, oh, &pdata, | |
cf07f531 SG |
113 | sizeof(struct omap_display_platform_data), |
114 | omap_dss_latency, | |
115 | ARRAY_SIZE(omap_dss_latency), 0); | |
116 | ||
117 | if (WARN((IS_ERR(od)), "Could not build omap_device for %s\n", | |
179e0453 | 118 | curr_dss_hwmod[i].oh_name)) |
cf07f531 SG |
119 | return -ENODEV; |
120 | } | |
b7ee79ab SS |
121 | omap_display_device.dev.platform_data = board_data; |
122 | ||
123 | r = platform_device_register(&omap_display_device); | |
124 | if (r < 0) | |
125 | printk(KERN_ERR "Unable to register OMAP-Display device\n"); | |
126 | ||
127 | return r; | |
128 | } |