Manjunath Hadli | 66715cd | 2011-06-17 04:01:32 -0300 | [diff] [blame] | 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 | */ |
Manjunath Hadli | 9a7f95a | 2011-04-30 03:01:40 -0300 | [diff] [blame] | 66 | enum v4l2_mbus_pixelcode if_params; |
Manjunath Hadli | 66715cd | 2011-06-17 04:01:32 -0300 | [diff] [blame] | 67 | }; |
| 68 | |
| 69 | /* encoder configuration info */ |
| 70 | struct encoder_config_info { |
| 71 | char module_name[32]; |
| 72 | /* Is this an i2c device ? */ |
| 73 | unsigned int is_i2c:1; |
| 74 | /* i2c subdevice board info */ |
| 75 | struct i2c_board_info board_info; |
| 76 | }; |
| 77 | |
Manjunath Hadli | 9a7f95a | 2011-04-30 03:01:40 -0300 | [diff] [blame] | 78 | /*amplifier configuration info */ |
| 79 | struct amp_config_info { |
| 80 | char module_name[32]; |
| 81 | /* Is this an i2c device ? */ |
| 82 | unsigned int is_i2c:1; |
| 83 | /* i2c subdevice board info */ |
| 84 | struct i2c_board_info board_info; |
| 85 | }; |
| 86 | |
Manjunath Hadli | 66715cd | 2011-06-17 04:01:32 -0300 | [diff] [blame] | 87 | /* structure for defining vpbe display subsystem components */ |
| 88 | struct vpbe_config { |
| 89 | char module_name[32]; |
| 90 | /* i2c bus adapter no */ |
| 91 | int i2c_adapter_id; |
| 92 | struct osd_config_info osd; |
| 93 | struct encoder_config_info venc; |
| 94 | /* external encoder information goes here */ |
| 95 | int num_ext_encoders; |
| 96 | struct encoder_config_info *ext_encoders; |
Manjunath Hadli | 9a7f95a | 2011-04-30 03:01:40 -0300 | [diff] [blame] | 97 | /* amplifier information goes here */ |
| 98 | struct amp_config_info *amp; |
Manjunath Hadli | 66715cd | 2011-06-17 04:01:32 -0300 | [diff] [blame] | 99 | int num_outputs; |
| 100 | /* Order is venc outputs followed by LCD and then external encoders */ |
| 101 | struct vpbe_output *outputs; |
| 102 | }; |
| 103 | |
| 104 | struct vpbe_device; |
| 105 | |
| 106 | struct vpbe_device_ops { |
| 107 | /* crop cap for the display */ |
| 108 | int (*g_cropcap)(struct vpbe_device *vpbe_dev, |
| 109 | struct v4l2_cropcap *cropcap); |
| 110 | |
| 111 | /* Enumerate the outputs */ |
| 112 | int (*enum_outputs)(struct vpbe_device *vpbe_dev, |
| 113 | struct v4l2_output *output); |
| 114 | |
| 115 | /* Set output to the given index */ |
| 116 | int (*set_output)(struct vpbe_device *vpbe_dev, |
| 117 | int index); |
| 118 | |
| 119 | /* Get current output */ |
| 120 | unsigned int (*get_output)(struct vpbe_device *vpbe_dev); |
| 121 | |
| 122 | /* Set DV preset at current output */ |
| 123 | int (*s_dv_preset)(struct vpbe_device *vpbe_dev, |
| 124 | struct v4l2_dv_preset *dv_preset); |
| 125 | |
| 126 | /* Get DV presets supported at the output */ |
| 127 | int (*g_dv_preset)(struct vpbe_device *vpbe_dev, |
| 128 | struct v4l2_dv_preset *dv_preset); |
| 129 | |
| 130 | /* Enumerate the DV Presets supported at the output */ |
| 131 | int (*enum_dv_presets)(struct vpbe_device *vpbe_dev, |
| 132 | struct v4l2_dv_enum_preset *preset_info); |
| 133 | |
| 134 | /* Set std at the output */ |
| 135 | int (*s_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id); |
| 136 | |
| 137 | /* Get the current std at the output */ |
| 138 | int (*g_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id); |
| 139 | |
| 140 | /* initialize the device */ |
| 141 | int (*initialize)(struct device *dev, struct vpbe_device *vpbe_dev); |
| 142 | |
| 143 | /* De-initialize the device */ |
| 144 | void (*deinitialize)(struct device *dev, struct vpbe_device *vpbe_dev); |
| 145 | |
| 146 | /* Get the current mode info */ |
| 147 | int (*get_mode_info)(struct vpbe_device *vpbe_dev, |
| 148 | struct vpbe_enc_mode_info*); |
| 149 | |
| 150 | /* |
| 151 | * Set the current mode in the encoder. Alternate way of setting |
| 152 | * standard or DV preset or custom timings in the encoder |
| 153 | */ |
| 154 | int (*set_mode)(struct vpbe_device *vpbe_dev, |
| 155 | struct vpbe_enc_mode_info*); |
| 156 | /* Power management operations */ |
| 157 | int (*suspend)(struct vpbe_device *vpbe_dev); |
| 158 | int (*resume)(struct vpbe_device *vpbe_dev); |
| 159 | }; |
| 160 | |
| 161 | /* struct for vpbe device */ |
| 162 | struct vpbe_device { |
| 163 | /* V4l2 device */ |
| 164 | struct v4l2_device v4l2_dev; |
| 165 | /* vpbe dispay controller cfg */ |
| 166 | struct vpbe_config *cfg; |
| 167 | /* parent device */ |
| 168 | struct device *pdev; |
| 169 | /* external encoder v4l2 sub devices */ |
| 170 | struct v4l2_subdev **encoders; |
| 171 | /* current encoder index */ |
| 172 | int current_sd_index; |
Manjunath Hadli | 9a7f95a | 2011-04-30 03:01:40 -0300 | [diff] [blame] | 173 | /* external amplifier v4l2 subdevice */ |
| 174 | struct v4l2_subdev *amp; |
Manjunath Hadli | 66715cd | 2011-06-17 04:01:32 -0300 | [diff] [blame] | 175 | struct mutex lock; |
| 176 | /* device initialized */ |
| 177 | int initialized; |
| 178 | /* vpbe dac clock */ |
| 179 | struct clk *dac_clk; |
| 180 | /* osd_device pointer */ |
| 181 | struct osd_state *osd_device; |
Manjunath Hadli | 9a7f95a | 2011-04-30 03:01:40 -0300 | [diff] [blame] | 182 | /* venc device pointer */ |
| 183 | struct venc_platform_data *venc_device; |
Manjunath Hadli | 66715cd | 2011-06-17 04:01:32 -0300 | [diff] [blame] | 184 | /* |
| 185 | * fields below are accessed by users of vpbe_device. Not the |
| 186 | * ones above |
| 187 | */ |
| 188 | |
| 189 | /* current output */ |
| 190 | int current_out_index; |
| 191 | /* lock used by caller to do atomic operation on vpbe device */ |
| 192 | /* current timings set in the controller */ |
| 193 | struct vpbe_enc_mode_info current_timings; |
| 194 | /* venc sub device */ |
| 195 | struct v4l2_subdev *venc; |
| 196 | /* device operations below */ |
| 197 | struct vpbe_device_ops ops; |
| 198 | }; |
| 199 | |
| 200 | #endif |