5  * TI TVP5146/47 decoder driver
50 MODULE_DESCRIPTION("TVP514X linux decoder driver");
78  * struct tvp514x_decoder - TVP5146/47 decoder object
84  * @streaming: TVP5146/47 decoder streaming - enabled or disabled.
93  * @pad: subdev media pad associated with the decoder
210  * List of image formats supported by TVP5146/47 decoder
318  * Write a value to a register in an TVP5146/47 decoder device.
460  * @decoder: ptr to tvp514x_decoder structure
465 		struct tvp514x_decoder *decoder)  in tvp514x_configure()  argument
471 	    tvp514x_write_regs(sd, decoder->tvp514x_regs);  in tvp514x_configure()
484  * @decoder: pointer to tvp514x_decoder structure
493 		struct tvp514x_decoder *decoder)  in tvp514x_detect()  argument
516 	decoder->ver = rom_ver;  in tvp514x_detect()
519 			client->name, decoder->ver,  in tvp514x_detect()
525  * tvp514x_querystd() - V4L2 decoder interface handler for querystd
534 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_querystd()  local
543 	if (!decoder->streaming) {  in tvp514x_querystd()
555 	input_sel = decoder->input;  in tvp514x_querystd()
599 	*std_id &= decoder->std_list[current_std].standard.id;  in tvp514x_querystd()
602 			decoder->std_list[current_std].standard.name);  in tvp514x_querystd()
607  * tvp514x_s_std() - V4L2 decoder interface handler for s_std
616 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_std()  local
619 	for (i = 0; i < decoder->num_stds; i++)  in tvp514x_s_std()
620 		if (std_id & decoder->std_list[i].standard.id)  in tvp514x_s_std()
623 	if ((i == decoder->num_stds) || (i == STD_INVALID))  in tvp514x_s_std()
627 				decoder->std_list[i].video_std);  in tvp514x_s_std()
631 	decoder->current_std = i;  in tvp514x_s_std()
632 	decoder->tvp514x_regs[REG_VIDEO_STD].val =  in tvp514x_s_std()
633 		decoder->std_list[i].video_std;  in tvp514x_s_std()
636 			decoder->std_list[i].standard.name);  in tvp514x_s_std()
641  * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing
654 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_routing()  local
678 	decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel;  in tvp514x_s_routing()
679 	decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel;  in tvp514x_s_routing()
680 	decoder->input = input;  in tvp514x_s_routing()
681 	decoder->output = output;  in tvp514x_s_routing()
689  * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl
698 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_ctrl()  local
707 			decoder->tvp514x_regs[REG_BRIGHTNESS].val = value;  in tvp514x_s_ctrl()
712 			decoder->tvp514x_regs[REG_CONTRAST].val = value;  in tvp514x_s_ctrl()
717 			decoder->tvp514x_regs[REG_SATURATION].val = value;  in tvp514x_s_ctrl()
726 			decoder->tvp514x_regs[REG_HUE].val = value;  in tvp514x_s_ctrl()
731 			decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value;  in tvp514x_s_ctrl()
741  * tvp514x_g_frame_interval() - V4L2 decoder interface handler
745  * Returns the decoder's video CAPTURE parameters.
751 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_g_frame_interval()  local
756 	current_std = decoder->current_std;  in tvp514x_g_frame_interval()
759 		decoder->std_list[current_std].standard.frameperiod;  in tvp514x_g_frame_interval()
765  * tvp514x_s_frame_interval() - V4L2 decoder interface handler
769  * Configures the decoder to use the input parameters, if possible. If
776 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_frame_interval()  local
784 	current_std = decoder->current_std;  in tvp514x_s_frame_interval()
787 	    decoder->std_list[current_std].standard.frameperiod;  in tvp514x_s_frame_interval()
793  * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream
802 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_stream()  local
804 	if (decoder->streaming == enable)  in tvp514x_s_stream()
813 			v4l2_err(sd, "Unable to turn off decoder\n");  in tvp514x_s_stream()
816 		decoder->streaming = enable;  in tvp514x_s_stream()
822 		err = tvp514x_write_regs(sd, decoder->int_seq);  in tvp514x_s_stream()
824 			v4l2_err(sd, "Unable to turn on decoder\n");  in tvp514x_s_stream()
828 		err = tvp514x_detect(sd, decoder);  in tvp514x_s_stream()
830 			v4l2_err(sd, "Unable to detect decoder\n");  in tvp514x_s_stream()
833 		err = tvp514x_configure(sd, decoder);  in tvp514x_s_stream()
835 			v4l2_err(sd, "Unable to configure decoder\n");  in tvp514x_s_stream()
838 		decoder->streaming = enable;  in tvp514x_s_stream()
854  * tvp514x_enum_mbus_code() - V4L2 decoder interface handler for enum_mbus_code
881  * tvp514x_get_pad_format() - V4L2 decoder interface handler for get pad format
892 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_get_pad_format()  local
899 		format->format = decoder->format;  in tvp514x_get_pad_format()
904 	format->format.width = tvp514x_std_list[decoder->current_std].width;  in tvp514x_get_pad_format()
905 	format->format.height = tvp514x_std_list[decoder->current_std].height;  in tvp514x_get_pad_format()
913  * tvp514x_set_pad_format() - V4L2 decoder interface handler for set pad format
924 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_set_pad_format()  local
929 	    fmt->format.width != tvp514x_std_list[decoder->current_std].width ||  in tvp514x_set_pad_format()
930 	    fmt->format.height != tvp514x_std_list[decoder->current_std].height)  in tvp514x_set_pad_format()
933 	decoder->format = fmt->format;  in tvp514x_set_pad_format()
1018  * tvp514x_probe() - decoder driver i2c probe handler
1021  * Register decoder as an i2c client device and V4L2
1029 	struct tvp514x_decoder *decoder;  in tvp514x_probe()  local
1042 	decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);  in tvp514x_probe()
1043 	if (!decoder)  in tvp514x_probe()
1047 	*decoder = tvp514x_dev;  in tvp514x_probe()
1049 	memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default,  in tvp514x_probe()
1052 	decoder->int_seq = (struct tvp514x_reg *)id->driver_data;  in tvp514x_probe()
1055 	decoder->pdata = pdata;  in tvp514x_probe()
1062 	decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |=  in tvp514x_probe()
1063 		(decoder->pdata->clk_polarity << 1);  in tvp514x_probe()
1064 	decoder->tvp514x_regs[REG_SYNC_CONTROL].val |=  in tvp514x_probe()
1065 		((decoder->pdata->hs_polarity << 2) |  in tvp514x_probe()
1066 		 (decoder->pdata->vs_polarity << 3));  in tvp514x_probe()
1068 	decoder->tvp514x_regs[REG_VIDEO_STD].val =  in tvp514x_probe()
1072 	sd = &decoder->sd;  in tvp514x_probe()
1076 	decoder->pad.flags = MEDIA_PAD_FL_SOURCE;  in tvp514x_probe()
1077 	decoder->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;  in tvp514x_probe()
1078 	decoder->sd.entity.function = MEDIA_ENT_F_ATV_DECODER;  in tvp514x_probe()
1080 	ret = media_entity_pads_init(&decoder->sd.entity, 1, &decoder->pad);  in tvp514x_probe()
1082 		v4l2_err(sd, "%s decoder driver failed to register !!\n",  in tvp514x_probe()
1087 	v4l2_ctrl_handler_init(&decoder->hdl, 5);  in tvp514x_probe()
1088 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1090 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1092 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1094 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1096 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1098 	sd->ctrl_handler = &decoder->hdl;  in tvp514x_probe()
1099 	if (decoder->hdl.error) {  in tvp514x_probe()
1100 		ret = decoder->hdl.error;  in tvp514x_probe()
1103 	v4l2_ctrl_handler_setup(&decoder->hdl);  in tvp514x_probe()
1105 	ret = v4l2_async_register_subdev(&decoder->sd);  in tvp514x_probe()
1107 		v4l2_info(sd, "%s decoder driver registered !!\n", sd->name);  in tvp514x_probe()
1111 		v4l2_ctrl_handler_free(&decoder->hdl);  in tvp514x_probe()
1112 		media_entity_cleanup(&decoder->sd.entity);  in tvp514x_probe()
1118  * tvp514x_remove() - decoder driver i2c remove handler
1121  * Unregister decoder as an i2c client device and V4L2
1127 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_remove()  local
1129 	v4l2_async_unregister_subdev(&decoder->sd);  in tvp514x_remove()
1130 	media_entity_cleanup(&decoder->sd.entity);  in tvp514x_remove()
1131 	v4l2_ctrl_handler_free(&decoder->hdl);  in tvp514x_remove()