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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. | |
66715cdc MH |
12 | */ |
13 | #ifndef _VPBE_H | |
14 | #define _VPBE_H | |
15 | ||
16 | #include <linux/videodev2.h> | |
17 | #include <linux/i2c.h> | |
18 | ||
19 | #include <media/v4l2-dev.h> | |
20 | #include <media/v4l2-ioctl.h> | |
21 | #include <media/v4l2-device.h> | |
22 | #include <media/davinci/vpbe_osd.h> | |
23 | #include <media/davinci/vpbe_venc.h> | |
24 | #include <media/davinci/vpbe_types.h> | |
25 | ||
26 | /* OSD configuration info */ | |
27 | struct osd_config_info { | |
28 | char module_name[32]; | |
29 | }; | |
30 | ||
31 | struct vpbe_output { | |
32 | struct v4l2_output output; | |
33 | /* | |
36864082 | 34 | * If output capabilities include dv_timings, list supported timings |
66715cdc MH |
35 | * below |
36 | */ | |
37 | char *subdev_name; | |
38 | /* | |
39 | * defualt_mode identifies the default timings set at the venc or | |
40 | * external encoder. | |
41 | */ | |
42 | char *default_mode; | |
43 | /* | |
44 | * Fields below are used for supporting multiple modes. For example, | |
45 | * LCD panel might support different modes and they are listed here. | |
46 | * Similarly for supporting external encoders, lcd controller port | |
47 | * requires a set of non-standard timing values to be listed here for | |
48 | * each supported mode since venc is used in non-standard timing mode | |
49 | * for interfacing with external encoder similar to configuring lcd | |
50 | * panel timings | |
51 | */ | |
52 | unsigned int num_modes; | |
53 | struct vpbe_enc_mode_info *modes; | |
54 | /* | |
55 | * Bus configuration goes here for external encoders. Some encoders | |
56 | * may require multiple interface types for each of the output. For | |
57 | * example, SD modes would use YCC8 where as HD mode would use YCC16. | |
58 | * Not sure if this is needed on a per mode basis instead of per | |
59 | * output basis. If per mode is needed, we may have to move this to | |
60 | * mode_info structure | |
61 | */ | |
27ffaeb0 | 62 | u32 if_params; |
66715cdc MH |
63 | }; |
64 | ||
65 | /* encoder configuration info */ | |
66 | struct encoder_config_info { | |
67 | char module_name[32]; | |
68 | /* Is this an i2c device ? */ | |
69 | unsigned int is_i2c:1; | |
70 | /* i2c subdevice board info */ | |
71 | struct i2c_board_info board_info; | |
72 | }; | |
73 | ||
9a7f95ad MH |
74 | /*amplifier configuration info */ |
75 | struct amp_config_info { | |
76 | char module_name[32]; | |
77 | /* Is this an i2c device ? */ | |
78 | unsigned int is_i2c:1; | |
79 | /* i2c subdevice board info */ | |
80 | struct i2c_board_info board_info; | |
81 | }; | |
82 | ||
66715cdc MH |
83 | /* structure for defining vpbe display subsystem components */ |
84 | struct vpbe_config { | |
85 | char module_name[32]; | |
86 | /* i2c bus adapter no */ | |
87 | int i2c_adapter_id; | |
88 | struct osd_config_info osd; | |
89 | struct encoder_config_info venc; | |
90 | /* external encoder information goes here */ | |
91 | int num_ext_encoders; | |
92 | struct encoder_config_info *ext_encoders; | |
9a7f95ad MH |
93 | /* amplifier information goes here */ |
94 | struct amp_config_info *amp; | |
b72845ee | 95 | unsigned int num_outputs; |
66715cdc MH |
96 | /* Order is venc outputs followed by LCD and then external encoders */ |
97 | struct vpbe_output *outputs; | |
98 | }; | |
99 | ||
100 | struct vpbe_device; | |
101 | ||
102 | struct vpbe_device_ops { | |
66715cdc MH |
103 | /* Enumerate the outputs */ |
104 | int (*enum_outputs)(struct vpbe_device *vpbe_dev, | |
105 | struct v4l2_output *output); | |
106 | ||
107 | /* Set output to the given index */ | |
108 | int (*set_output)(struct vpbe_device *vpbe_dev, | |
109 | int index); | |
110 | ||
111 | /* Get current output */ | |
112 | unsigned int (*get_output)(struct vpbe_device *vpbe_dev); | |
113 | ||
114 | /* Set DV preset at current output */ | |
36864082 HV |
115 | int (*s_dv_timings)(struct vpbe_device *vpbe_dev, |
116 | struct v4l2_dv_timings *dv_timings); | |
66715cdc MH |
117 | |
118 | /* Get DV presets supported at the output */ | |
36864082 HV |
119 | int (*g_dv_timings)(struct vpbe_device *vpbe_dev, |
120 | struct v4l2_dv_timings *dv_timings); | |
66715cdc MH |
121 | |
122 | /* Enumerate the DV Presets supported at the output */ | |
36864082 HV |
123 | int (*enum_dv_timings)(struct vpbe_device *vpbe_dev, |
124 | struct v4l2_enum_dv_timings *timings_info); | |
66715cdc MH |
125 | |
126 | /* Set std at the output */ | |
314527ac | 127 | int (*s_std)(struct vpbe_device *vpbe_dev, v4l2_std_id std_id); |
66715cdc MH |
128 | |
129 | /* Get the current std at the output */ | |
130 | int (*g_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id); | |
131 | ||
132 | /* initialize the device */ | |
133 | int (*initialize)(struct device *dev, struct vpbe_device *vpbe_dev); | |
134 | ||
135 | /* De-initialize the device */ | |
136 | void (*deinitialize)(struct device *dev, struct vpbe_device *vpbe_dev); | |
137 | ||
138 | /* Get the current mode info */ | |
139 | int (*get_mode_info)(struct vpbe_device *vpbe_dev, | |
140 | struct vpbe_enc_mode_info*); | |
141 | ||
142 | /* | |
143 | * Set the current mode in the encoder. Alternate way of setting | |
144 | * standard or DV preset or custom timings in the encoder | |
145 | */ | |
146 | int (*set_mode)(struct vpbe_device *vpbe_dev, | |
147 | struct vpbe_enc_mode_info*); | |
148 | /* Power management operations */ | |
149 | int (*suspend)(struct vpbe_device *vpbe_dev); | |
150 | int (*resume)(struct vpbe_device *vpbe_dev); | |
151 | }; | |
152 | ||
153 | /* struct for vpbe device */ | |
154 | struct vpbe_device { | |
155 | /* V4l2 device */ | |
156 | struct v4l2_device v4l2_dev; | |
157 | /* vpbe dispay controller cfg */ | |
158 | struct vpbe_config *cfg; | |
159 | /* parent device */ | |
160 | struct device *pdev; | |
161 | /* external encoder v4l2 sub devices */ | |
162 | struct v4l2_subdev **encoders; | |
163 | /* current encoder index */ | |
164 | int current_sd_index; | |
9a7f95ad MH |
165 | /* external amplifier v4l2 subdevice */ |
166 | struct v4l2_subdev *amp; | |
66715cdc MH |
167 | struct mutex lock; |
168 | /* device initialized */ | |
169 | int initialized; | |
170 | /* vpbe dac clock */ | |
171 | struct clk *dac_clk; | |
172 | /* osd_device pointer */ | |
173 | struct osd_state *osd_device; | |
9a7f95ad MH |
174 | /* venc device pointer */ |
175 | struct venc_platform_data *venc_device; | |
66715cdc MH |
176 | /* |
177 | * fields below are accessed by users of vpbe_device. Not the | |
178 | * ones above | |
179 | */ | |
180 | ||
181 | /* current output */ | |
182 | int current_out_index; | |
183 | /* lock used by caller to do atomic operation on vpbe device */ | |
184 | /* current timings set in the controller */ | |
185 | struct vpbe_enc_mode_info current_timings; | |
186 | /* venc sub device */ | |
187 | struct v4l2_subdev *venc; | |
188 | /* device operations below */ | |
189 | struct vpbe_device_ops ops; | |
190 | }; | |
191 | ||
192 | #endif |