1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2010 Texas Instruments Inc 4 */ 5 #ifndef _VPBE_H 6 #define _VPBE_H 7 8 #include <linux/videodev2.h> 9 #include <linux/i2c.h> 10 11 #include <media/v4l2-dev.h> 12 #include <media/v4l2-ioctl.h> 13 #include <media/v4l2-device.h> 14 #include <media/davinci/vpbe_osd.h> 15 #include <media/davinci/vpbe_venc.h> 16 #include <media/davinci/vpbe_types.h> 17 18 /* OSD configuration info */ 19 struct osd_config_info { 20 char module_name[32]; 21 }; 22 23 struct vpbe_output { 24 struct v4l2_output output; 25 /* 26 * If output capabilities include dv_timings, list supported timings 27 * below 28 */ 29 char *subdev_name; 30 /* 31 * defualt_mode identifies the default timings set at the venc or 32 * external encoder. 33 */ 34 char *default_mode; 35 /* 36 * Fields below are used for supporting multiple modes. For example, 37 * LCD panel might support different modes and they are listed here. 38 * Similarly for supporting external encoders, lcd controller port 39 * requires a set of non-standard timing values to be listed here for 40 * each supported mode since venc is used in non-standard timing mode 41 * for interfacing with external encoder similar to configuring lcd 42 * panel timings 43 */ 44 unsigned int num_modes; 45 struct vpbe_enc_mode_info *modes; 46 /* 47 * Bus configuration goes here for external encoders. Some encoders 48 * may require multiple interface types for each of the output. For 49 * example, SD modes would use YCC8 where as HD mode would use YCC16. 50 * Not sure if this is needed on a per mode basis instead of per 51 * output basis. If per mode is needed, we may have to move this to 52 * mode_info structure 53 */ 54 u32 if_params; 55 }; 56 57 /* encoder configuration info */ 58 struct encoder_config_info { 59 char module_name[32]; 60 /* Is this an i2c device ? */ 61 unsigned int is_i2c:1; 62 /* i2c subdevice board info */ 63 struct i2c_board_info board_info; 64 }; 65 66 /*amplifier configuration info */ 67 struct amp_config_info { 68 char module_name[32]; 69 /* Is this an i2c device ? */ 70 unsigned int is_i2c:1; 71 /* i2c subdevice board info */ 72 struct i2c_board_info board_info; 73 }; 74 75 /* structure for defining vpbe display subsystem components */ 76 struct vpbe_config { 77 char module_name[32]; 78 /* i2c bus adapter no */ 79 int i2c_adapter_id; 80 struct osd_config_info osd; 81 struct encoder_config_info venc; 82 /* external encoder information goes here */ 83 int num_ext_encoders; 84 struct encoder_config_info *ext_encoders; 85 /* amplifier information goes here */ 86 struct amp_config_info *amp; 87 unsigned 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 /* Enumerate the outputs */ 96 int (*enum_outputs)(struct vpbe_device *vpbe_dev, 97 struct v4l2_output *output); 98 99 /* Set output to the given index */ 100 int (*set_output)(struct vpbe_device *vpbe_dev, 101 int index); 102 103 /* Get current output */ 104 unsigned int (*get_output)(struct vpbe_device *vpbe_dev); 105 106 /* Set DV preset at current output */ 107 int (*s_dv_timings)(struct vpbe_device *vpbe_dev, 108 struct v4l2_dv_timings *dv_timings); 109 110 /* Get DV presets supported at the output */ 111 int (*g_dv_timings)(struct vpbe_device *vpbe_dev, 112 struct v4l2_dv_timings *dv_timings); 113 114 /* Enumerate the DV Presets supported at the output */ 115 int (*enum_dv_timings)(struct vpbe_device *vpbe_dev, 116 struct v4l2_enum_dv_timings *timings_info); 117 118 /* Set std at the output */ 119 int (*s_std)(struct vpbe_device *vpbe_dev, v4l2_std_id std_id); 120 121 /* Get the current std at the output */ 122 int (*g_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id); 123 124 /* initialize the device */ 125 int (*initialize)(struct device *dev, struct vpbe_device *vpbe_dev); 126 127 /* De-initialize the device */ 128 void (*deinitialize)(struct device *dev, struct vpbe_device *vpbe_dev); 129 130 /* Get the current mode info */ 131 int (*get_mode_info)(struct vpbe_device *vpbe_dev, 132 struct vpbe_enc_mode_info*); 133 134 /* 135 * Set the current mode in the encoder. Alternate way of setting 136 * standard or DV preset or custom timings in the encoder 137 */ 138 int (*set_mode)(struct vpbe_device *vpbe_dev, 139 struct vpbe_enc_mode_info*); 140 /* Power management operations */ 141 int (*suspend)(struct vpbe_device *vpbe_dev); 142 int (*resume)(struct vpbe_device *vpbe_dev); 143 }; 144 145 /* struct for vpbe device */ 146 struct vpbe_device { 147 /* V4l2 device */ 148 struct v4l2_device v4l2_dev; 149 /* vpbe dispay controller cfg */ 150 struct vpbe_config *cfg; 151 /* parent device */ 152 struct device *pdev; 153 /* external encoder v4l2 sub devices */ 154 struct v4l2_subdev **encoders; 155 /* current encoder index */ 156 int current_sd_index; 157 /* external amplifier v4l2 subdevice */ 158 struct v4l2_subdev *amp; 159 struct mutex lock; 160 /* device initialized */ 161 int initialized; 162 /* vpbe dac clock */ 163 struct clk *dac_clk; 164 /* osd_device pointer */ 165 struct osd_state *osd_device; 166 /* venc device pointer */ 167 struct venc_platform_data *venc_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 185