Commit | Line | Data |
---|---|---|
66715cdc MH |
1 | /* |
2 | * Copyright (C) 2010 Texas Instruments Inc | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation version 2. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
16 | */ | |
17 | #ifndef _VPBE_H | |
18 | #define _VPBE_H | |
19 | ||
20 | #include <linux/videodev2.h> | |
21 | #include <linux/i2c.h> | |
22 | ||
23 | #include <media/v4l2-dev.h> | |
24 | #include <media/v4l2-ioctl.h> | |
25 | #include <media/v4l2-device.h> | |
26 | #include <media/davinci/vpbe_osd.h> | |
27 | #include <media/davinci/vpbe_venc.h> | |
28 | #include <media/davinci/vpbe_types.h> | |
29 | ||
30 | /* OSD configuration info */ | |
31 | struct osd_config_info { | |
32 | char module_name[32]; | |
33 | }; | |
34 | ||
35 | struct vpbe_output { | |
36 | struct v4l2_output output; | |
37 | /* | |
38 | * If output capabilities include dv_preset, list supported presets | |
39 | * below | |
40 | */ | |
41 | char *subdev_name; | |
42 | /* | |
43 | * defualt_mode identifies the default timings set at the venc or | |
44 | * external encoder. | |
45 | */ | |
46 | char *default_mode; | |
47 | /* | |
48 | * Fields below are used for supporting multiple modes. For example, | |
49 | * LCD panel might support different modes and they are listed here. | |
50 | * Similarly for supporting external encoders, lcd controller port | |
51 | * requires a set of non-standard timing values to be listed here for | |
52 | * each supported mode since venc is used in non-standard timing mode | |
53 | * for interfacing with external encoder similar to configuring lcd | |
54 | * panel timings | |
55 | */ | |
56 | unsigned int num_modes; | |
57 | struct vpbe_enc_mode_info *modes; | |
58 | /* | |
59 | * Bus configuration goes here for external encoders. Some encoders | |
60 | * may require multiple interface types for each of the output. For | |
61 | * example, SD modes would use YCC8 where as HD mode would use YCC16. | |
62 | * Not sure if this is needed on a per mode basis instead of per | |
63 | * output basis. If per mode is needed, we may have to move this to | |
64 | * mode_info structure | |
65 | */ | |
66 | }; | |
67 | ||
68 | /* encoder configuration info */ | |
69 | struct encoder_config_info { | |
70 | char module_name[32]; | |
71 | /* Is this an i2c device ? */ | |
72 | unsigned int is_i2c:1; | |
73 | /* i2c subdevice board info */ | |
74 | struct i2c_board_info board_info; | |
75 | }; | |
76 | ||
77 | /* structure for defining vpbe display subsystem components */ | |
78 | struct vpbe_config { | |
79 | char module_name[32]; | |
80 | /* i2c bus adapter no */ | |
81 | int i2c_adapter_id; | |
82 | struct osd_config_info osd; | |
83 | struct encoder_config_info venc; | |
84 | /* external encoder information goes here */ | |
85 | int num_ext_encoders; | |
86 | struct encoder_config_info *ext_encoders; | |
87 | int num_outputs; | |
88 | /* Order is venc outputs followed by LCD and then external encoders */ | |
89 | struct vpbe_output *outputs; | |
90 | }; | |
91 | ||
92 | struct vpbe_device; | |
93 | ||
94 | struct vpbe_device_ops { | |
95 | /* crop cap for the display */ | |
96 | int (*g_cropcap)(struct vpbe_device *vpbe_dev, | |
97 | struct v4l2_cropcap *cropcap); | |
98 | ||
99 | /* Enumerate the outputs */ | |
100 | int (*enum_outputs)(struct vpbe_device *vpbe_dev, | |
101 | struct v4l2_output *output); | |
102 | ||
103 | /* Set output to the given index */ | |
104 | int (*set_output)(struct vpbe_device *vpbe_dev, | |
105 | int index); | |
106 | ||
107 | /* Get current output */ | |
108 | unsigned int (*get_output)(struct vpbe_device *vpbe_dev); | |
109 | ||
110 | /* Set DV preset at current output */ | |
111 | int (*s_dv_preset)(struct vpbe_device *vpbe_dev, | |
112 | struct v4l2_dv_preset *dv_preset); | |
113 | ||
114 | /* Get DV presets supported at the output */ | |
115 | int (*g_dv_preset)(struct vpbe_device *vpbe_dev, | |
116 | struct v4l2_dv_preset *dv_preset); | |
117 | ||
118 | /* Enumerate the DV Presets supported at the output */ | |
119 | int (*enum_dv_presets)(struct vpbe_device *vpbe_dev, | |
120 | struct v4l2_dv_enum_preset *preset_info); | |
121 | ||
122 | /* Set std at the output */ | |
123 | int (*s_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id); | |
124 | ||
125 | /* Get the current std at the output */ | |
126 | int (*g_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id); | |
127 | ||
128 | /* initialize the device */ | |
129 | int (*initialize)(struct device *dev, struct vpbe_device *vpbe_dev); | |
130 | ||
131 | /* De-initialize the device */ | |
132 | void (*deinitialize)(struct device *dev, struct vpbe_device *vpbe_dev); | |
133 | ||
134 | /* Get the current mode info */ | |
135 | int (*get_mode_info)(struct vpbe_device *vpbe_dev, | |
136 | struct vpbe_enc_mode_info*); | |
137 | ||
138 | /* | |
139 | * Set the current mode in the encoder. Alternate way of setting | |
140 | * standard or DV preset or custom timings in the encoder | |
141 | */ | |
142 | int (*set_mode)(struct vpbe_device *vpbe_dev, | |
143 | struct vpbe_enc_mode_info*); | |
144 | /* Power management operations */ | |
145 | int (*suspend)(struct vpbe_device *vpbe_dev); | |
146 | int (*resume)(struct vpbe_device *vpbe_dev); | |
147 | }; | |
148 | ||
149 | /* struct for vpbe device */ | |
150 | struct vpbe_device { | |
151 | /* V4l2 device */ | |
152 | struct v4l2_device v4l2_dev; | |
153 | /* vpbe dispay controller cfg */ | |
154 | struct vpbe_config *cfg; | |
155 | /* parent device */ | |
156 | struct device *pdev; | |
157 | /* external encoder v4l2 sub devices */ | |
158 | struct v4l2_subdev **encoders; | |
159 | /* current encoder index */ | |
160 | int current_sd_index; | |
161 | struct mutex lock; | |
162 | /* device initialized */ | |
163 | int initialized; | |
164 | /* vpbe dac clock */ | |
165 | struct clk *dac_clk; | |
166 | /* osd_device pointer */ | |
167 | struct osd_state *osd_device; | |
168 | /* | |
169 | * fields below are accessed by users of vpbe_device. Not the | |
170 | * ones above | |
171 | */ | |
172 | ||
173 | /* current output */ | |
174 | int current_out_index; | |
175 | /* lock used by caller to do atomic operation on vpbe device */ | |
176 | /* current timings set in the controller */ | |
177 | struct vpbe_enc_mode_info current_timings; | |
178 | /* venc sub device */ | |
179 | struct v4l2_subdev *venc; | |
180 | /* device operations below */ | |
181 | struct vpbe_device_ops ops; | |
182 | }; | |
183 | ||
184 | #endif |