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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 | /* SPDX-License-Identifier: GPL-2.0-or-later */ /* cx25840 internal API header * * Copyright (C) 2003-2004 Chris Kennedy */ #ifndef _CX25840_CORE_H_ #define _CX25840_CORE_H_ #include <linux/videodev2.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #include <linux/i2c.h> struct cx25840_ir_state; enum cx25840_model { CX23885_AV, CX23887_AV, CX23888_AV, CX2310X_AV, CX25840, CX25841, CX25842, CX25843, CX25836, CX25837, }; enum cx25840_media_pads { CX25840_PAD_INPUT, CX25840_PAD_VID_OUT, CX25840_NUM_PADS }; /** * struct cx25840_state - a device instance private data * @c: i2c_client struct representing this device * @sd: our V4L2 sub-device * @hdl: our V4L2 control handler * @volume: audio volume V4L2 control (non-cx2583x devices only) * @mute: audio mute V4L2 control (non-cx2583x devices only) * @pvr150_workaround: whether we enable workaround for Hauppauge PVR150 * hardware bug (audio dropping out) * @generic_mode: whether we disable ivtv-specific hacks * this mode gets turned on when the bridge driver calls * cx25840 subdevice init core op * @radio: set if we are currently in the radio mode, otherwise * the current mode is non-radio (that is, video) * @std: currently set video standard * @vid_input: currently set video input * @vid_config: currently set video output configuration * only used in the generic mode * @aud_input: currently set audio input * @audclk_freq: currently set audio sample rate * @audmode: currently set audio mode (when in non-radio mode) * @vbi_line_offset: vbi line number offset * @id: exact device model * @rev: raw device id read from the chip * @is_initialized: whether we have already loaded firmware into the chip * and initialized it * @vbi_regs_offset: offset of vbi regs * @fw_wait: wait queue to wake an initialization function up when * firmware loading (on a separate workqueue) finishes * @fw_work: a work that actually loads the firmware on a separate * workqueue * @ir_state: a pointer to chip IR controller private data * @pads: array of supported chip pads (currently only a stub) */ struct cx25840_state { struct i2c_client *c; struct v4l2_subdev sd; struct v4l2_ctrl_handler hdl; struct { /* volume cluster */ struct v4l2_ctrl *volume; struct v4l2_ctrl *mute; }; int pvr150_workaround; bool generic_mode; int radio; v4l2_std_id std; enum cx25840_video_input vid_input; u32 vid_config; enum cx25840_audio_input aud_input; u32 audclk_freq; int audmode; int vbi_line_offset; enum cx25840_model id; u32 rev; int is_initialized; unsigned int vbi_regs_offset; wait_queue_head_t fw_wait; struct work_struct fw_work; struct cx25840_ir_state *ir_state; #if defined(CONFIG_MEDIA_CONTROLLER) struct media_pad pads[CX25840_NUM_PADS]; #endif }; static inline struct cx25840_state *to_state(struct v4l2_subdev *sd) { return container_of(sd, struct cx25840_state, sd); } static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) { return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd; } static inline bool is_cx2583x(struct cx25840_state *state) { return state->id == CX25836 || state->id == CX25837; } static inline bool is_cx2584x(struct cx25840_state *state) { return state->id == CX25840 || state->id == CX25841 || state->id == CX25842 || state->id == CX25843; } static inline bool is_cx231xx(struct cx25840_state *state) { return state->id == CX2310X_AV; } static inline bool is_cx2388x(struct cx25840_state *state) { return state->id == CX23885_AV || state->id == CX23887_AV || state->id == CX23888_AV; } static inline bool is_cx23885(struct cx25840_state *state) { return state->id == CX23885_AV; } static inline bool is_cx23887(struct cx25840_state *state) { return state->id == CX23887_AV; } static inline bool is_cx23888(struct cx25840_state *state) { return state->id == CX23888_AV; } /* ----------------------------------------------------------------------- */ /* cx25850-core.c */ int cx25840_write(struct i2c_client *client, u16 addr, u8 value); int cx25840_write4(struct i2c_client *client, u16 addr, u32 value); u8 cx25840_read(struct i2c_client *client, u16 addr); u32 cx25840_read4(struct i2c_client *client, u16 addr); int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned int mask, u8 value); int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask, u32 or_value); void cx25840_std_setup(struct i2c_client *client); /* ----------------------------------------------------------------------- */ /* cx25850-firmware.c */ int cx25840_loadfw(struct i2c_client *client); /* ----------------------------------------------------------------------- */ /* cx25850-audio.c */ void cx25840_audio_set_path(struct i2c_client *client); int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq); extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops; /* ----------------------------------------------------------------------- */ /* cx25850-vbi.c */ int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt); int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi); /* ----------------------------------------------------------------------- */ /* cx25850-ir.c */ extern const struct v4l2_subdev_ir_ops cx25840_ir_ops; int cx25840_ir_log_status(struct v4l2_subdev *sd); int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled); int cx25840_ir_probe(struct v4l2_subdev *sd); int cx25840_ir_remove(struct v4l2_subdev *sd); #endif |