4  * TI TVP5146/47 decoder driver
60 MODULE_DESCRIPTION("TVP514X linux decoder driver");
88  * struct tvp514x_decoder - TVP5146/47 decoder object
93  * @streaming: TVP5146/47 decoder streaming - enabled or disabled.
296  * Write a value to a register in an TVP5146/47 decoder device.
438  * @decoder: ptr to tvp514x_decoder structure
443 		struct tvp514x_decoder *decoder)  in tvp514x_configure()  argument
449 	    tvp514x_write_regs(sd, decoder->tvp514x_regs);  in tvp514x_configure()
462  * @decoder: pointer to tvp514x_decoder structure
471 		struct tvp514x_decoder *decoder)  in tvp514x_detect()  argument
494 	decoder->ver = rom_ver;  in tvp514x_detect()
497 			client->name, decoder->ver,  in tvp514x_detect()
503  * tvp514x_querystd() - V4L2 decoder interface handler for querystd
512 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_querystd()  local
527 	input_sel = decoder->input;  in tvp514x_querystd()
569 	*std_id = decoder->std_list[current_std].standard.id;  in tvp514x_querystd()
572 			decoder->std_list[current_std].standard.name);  in tvp514x_querystd()
577  * tvp514x_s_std() - V4L2 decoder interface handler for s_std
586 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_std()  local
589 	for (i = 0; i < decoder->num_stds; i++)  in tvp514x_s_std()
590 		if (std_id & decoder->std_list[i].standard.id)  in tvp514x_s_std()
593 	if ((i == decoder->num_stds) || (i == STD_INVALID))  in tvp514x_s_std()
597 				decoder->std_list[i].video_std);  in tvp514x_s_std()
601 	decoder->current_std = i;  in tvp514x_s_std()
602 	decoder->tvp514x_regs[REG_VIDEO_STD].val =  in tvp514x_s_std()
603 		decoder->std_list[i].video_std;  in tvp514x_s_std()
606 			decoder->std_list[i].standard.name);  in tvp514x_s_std()
611  * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing
624 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_routing()  local
644 	if (!decoder->streaming)  in tvp514x_s_routing()
661 	decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel;  in tvp514x_s_routing()
662 	decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel;  in tvp514x_s_routing()
708 		/* Allow decoder to sync up with new input */  in tvp514x_s_routing()
721 	decoder->input = input;  in tvp514x_s_routing()
722 	decoder->output = output;  in tvp514x_s_routing()
730  * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl
739 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_ctrl()  local
748 			decoder->tvp514x_regs[REG_BRIGHTNESS].val = value;  in tvp514x_s_ctrl()
753 			decoder->tvp514x_regs[REG_CONTRAST].val = value;  in tvp514x_s_ctrl()
758 			decoder->tvp514x_regs[REG_SATURATION].val = value;  in tvp514x_s_ctrl()
767 			decoder->tvp514x_regs[REG_HUE].val = value;  in tvp514x_s_ctrl()
772 			decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value;  in tvp514x_s_ctrl()
782  * tvp514x_enum_mbus_fmt() - V4L2 decoder interface handler for enum_mbus_fmt
801  * tvp514x_mbus_fmt_cap() - V4L2 decoder interface handler for try/s/g_mbus_fmt
810 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_mbus_fmt()  local
817 	current_std = decoder->current_std;  in tvp514x_mbus_fmt()
820 	f->width = decoder->std_list[current_std].width;  in tvp514x_mbus_fmt()
821 	f->height = decoder->std_list[current_std].height;  in tvp514x_mbus_fmt()
831  * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm
835  * Returns the decoder's video CAPTURE parameters.
840 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_g_parm()  local
852 	current_std = decoder->current_std;  in tvp514x_g_parm()
857 		decoder->std_list[current_std].standard.frameperiod;  in tvp514x_g_parm()
863  * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm
867  * Configures the decoder to use the input parameters, if possible. If
873 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_parm()  local
887 	current_std = decoder->current_std;  in tvp514x_s_parm()
890 	    decoder->std_list[current_std].standard.frameperiod;  in tvp514x_s_parm()
896  * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream
906 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_s_stream()  local
908 	if (decoder->streaming == enable)  in tvp514x_s_stream()
917 			v4l2_err(sd, "Unable to turn off decoder\n");  in tvp514x_s_stream()
920 		decoder->streaming = enable;  in tvp514x_s_stream()
931 			v4l2_err(sd, "Unable to turn on decoder\n");  in tvp514x_s_stream()
935 		err = tvp514x_detect(sd, decoder);  in tvp514x_s_stream()
937 			v4l2_err(sd, "Unable to detect decoder\n");  in tvp514x_s_stream()
940 		err = tvp514x_configure(sd, decoder);  in tvp514x_s_stream()
942 			v4l2_err(sd, "Unable to configure decoder\n");  in tvp514x_s_stream()
945 		decoder->streaming = enable;  in tvp514x_s_stream()
997  * tvp514x_probe() - decoder driver i2c probe handler
1001  * Register decoder as an i2c client device and V4L2
1007 	struct tvp514x_decoder *decoder;  in tvp514x_probe()  local
1019 	decoder = kzalloc(sizeof(*decoder), GFP_KERNEL);  in tvp514x_probe()
1020 	if (!decoder)  in tvp514x_probe()
1024 	*decoder = tvp514x_dev;  in tvp514x_probe()
1026 	memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default,  in tvp514x_probe()
1030 	decoder->pdata = client->dev.platform_data;  in tvp514x_probe()
1037 	decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |=  in tvp514x_probe()
1038 		(decoder->pdata->clk_polarity << 1);  in tvp514x_probe()
1039 	decoder->tvp514x_regs[REG_SYNC_CONTROL].val |=  in tvp514x_probe()
1040 		((decoder->pdata->hs_polarity << 2) |  in tvp514x_probe()
1041 		 (decoder->pdata->vs_polarity << 3));  in tvp514x_probe()
1043 	decoder->tvp514x_regs[REG_VIDEO_STD].val =  in tvp514x_probe()
1047 	sd = &decoder->sd;  in tvp514x_probe()
1050 	v4l2_ctrl_handler_init(&decoder->hdl, 5);  in tvp514x_probe()
1051 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1053 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1055 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1057 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1059 	v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,  in tvp514x_probe()
1061 	sd->ctrl_handler = &decoder->hdl;  in tvp514x_probe()
1062 	if (decoder->hdl.error) {  in tvp514x_probe()
1063 		int err = decoder->hdl.error;  in tvp514x_probe()
1065 		v4l2_ctrl_handler_free(&decoder->hdl);  in tvp514x_probe()
1066 		kfree(decoder);  in tvp514x_probe()
1069 	v4l2_ctrl_handler_setup(&decoder->hdl);  in tvp514x_probe()
1071 	v4l2_info(sd, "%s decoder driver registered !!\n", sd->name);  in tvp514x_probe()
1078  * tvp514x_remove() - decoder driver i2c remove handler
1081  * Unregister decoder as an i2c client device and V4L2
1087 	struct tvp514x_decoder *decoder = to_decoder(sd);  in tvp514x_remove()  local
1090 	v4l2_ctrl_handler_free(&decoder->hdl);  in tvp514x_remove()
1091 	kfree(decoder);  in tvp514x_remove()