1 // SPDX-License-Identifier: GPL-2.0-only
19 #include <media/v4l2-ctrls.h>
20 #include <media/v4l2-device.h>
25 	struct v4l2_subdev sd;  member
37  * Mode 1 CVBS Input (Composite Video on AIN5)
38  * All standards are supported through autodetect, 8-bit, 4:2:2, ITU-R BT.656 output on P15 to P8.
44 	ADV7183_ADC_CTRL, 0x16,          /* Power down ADC 1 and ADC 2 */
63 static inline struct adv7183 *to_adv7183(struct v4l2_subdev *sd)  in to_adv7183()  argument
65 	return container_of(sd, struct adv7183, sd);  in to_adv7183()
69 	return &container_of(ctrl->handler, struct adv7183, hdl)->sd;  in to_sd()
72 static inline int adv7183_read(struct v4l2_subdev *sd, unsigned char reg)  in adv7183_read()  argument
74 	struct i2c_client *client = v4l2_get_subdevdata(sd);  in adv7183_read()
79 static inline int adv7183_write(struct v4l2_subdev *sd, unsigned char reg,  in adv7183_write()  argument
82 	struct i2c_client *client = v4l2_get_subdevdata(sd);  in adv7183_write()
87 static int adv7183_writeregs(struct v4l2_subdev *sd,  in adv7183_writeregs()  argument
94 		v4l2_err(sd, "invalid regs array\n");  in adv7183_writeregs()
95 		return -1;  in adv7183_writeregs()
103 		adv7183_write(sd, reg, data);  in adv7183_writeregs()
108 static int adv7183_log_status(struct v4l2_subdev *sd)  in adv7183_log_status()  argument
110 	struct adv7183 *decoder = to_adv7183(sd);  in adv7183_log_status()
112 	v4l2_info(sd, "adv7183: Input control = 0x%02x\n",  in adv7183_log_status()
113 			adv7183_read(sd, ADV7183_IN_CTRL));  in adv7183_log_status()
114 	v4l2_info(sd, "adv7183: Video selection = 0x%02x\n",  in adv7183_log_status()
115 			adv7183_read(sd, ADV7183_VD_SEL));  in adv7183_log_status()
116 	v4l2_info(sd, "adv7183: Output control = 0x%02x\n",  in adv7183_log_status()
117 			adv7183_read(sd, ADV7183_OUT_CTRL));  in adv7183_log_status()
118 	v4l2_info(sd, "adv7183: Extended output control = 0x%02x\n",  in adv7183_log_status()
119 			adv7183_read(sd, ADV7183_EXT_OUT_CTRL));  in adv7183_log_status()
120 	v4l2_info(sd, "adv7183: Autodetect enable = 0x%02x\n",  in adv7183_log_status()
121 			adv7183_read(sd, ADV7183_AUTO_DET_EN));  in adv7183_log_status()
122 	v4l2_info(sd, "adv7183: Contrast = 0x%02x\n",  in adv7183_log_status()
123 			adv7183_read(sd, ADV7183_CONTRAST));  in adv7183_log_status()
124 	v4l2_info(sd, "adv7183: Brightness = 0x%02x\n",  in adv7183_log_status()
125 			adv7183_read(sd, ADV7183_BRIGHTNESS));  in adv7183_log_status()
126 	v4l2_info(sd, "adv7183: Hue = 0x%02x\n",  in adv7183_log_status()
127 			adv7183_read(sd, ADV7183_HUE));  in adv7183_log_status()
128 	v4l2_info(sd, "adv7183: Default value Y = 0x%02x\n",  in adv7183_log_status()
129 			adv7183_read(sd, ADV7183_DEF_Y));  in adv7183_log_status()
130 	v4l2_info(sd, "adv7183: Default value C = 0x%02x\n",  in adv7183_log_status()
131 			adv7183_read(sd, ADV7183_DEF_C));  in adv7183_log_status()
132 	v4l2_info(sd, "adv7183: ADI control = 0x%02x\n",  in adv7183_log_status()
133 			adv7183_read(sd, ADV7183_ADI_CTRL));  in adv7183_log_status()
134 	v4l2_info(sd, "adv7183: Power Management = 0x%02x\n",  in adv7183_log_status()
135 			adv7183_read(sd, ADV7183_POW_MANAGE));  in adv7183_log_status()
136 	v4l2_info(sd, "adv7183: Status 1 2 and 3 = 0x%02x 0x%02x 0x%02x\n",  in adv7183_log_status()
137 			adv7183_read(sd, ADV7183_STATUS_1),  in adv7183_log_status()
138 			adv7183_read(sd, ADV7183_STATUS_2),  in adv7183_log_status()
139 			adv7183_read(sd, ADV7183_STATUS_3));  in adv7183_log_status()
140 	v4l2_info(sd, "adv7183: Ident = 0x%02x\n",  in adv7183_log_status()
141 			adv7183_read(sd, ADV7183_IDENT));  in adv7183_log_status()
142 	v4l2_info(sd, "adv7183: Analog clamp control = 0x%02x\n",  in adv7183_log_status()
143 			adv7183_read(sd, ADV7183_ANAL_CLAMP_CTRL));  in adv7183_log_status()
144 	v4l2_info(sd, "adv7183: Digital clamp control 1 = 0x%02x\n",  in adv7183_log_status()
145 			adv7183_read(sd, ADV7183_DIGI_CLAMP_CTRL_1));  in adv7183_log_status()
146 	v4l2_info(sd, "adv7183: Shaping filter control 1 and 2 = 0x%02x 0x%02x\n",  in adv7183_log_status()
147 			adv7183_read(sd, ADV7183_SHAP_FILT_CTRL),  in adv7183_log_status()
148 			adv7183_read(sd, ADV7183_SHAP_FILT_CTRL_2));  in adv7183_log_status()
149 	v4l2_info(sd, "adv7183: Comb filter control = 0x%02x\n",  in adv7183_log_status()
150 			adv7183_read(sd, ADV7183_COMB_FILT_CTRL));  in adv7183_log_status()
151 	v4l2_info(sd, "adv7183: ADI control 2 = 0x%02x\n",  in adv7183_log_status()
152 			adv7183_read(sd, ADV7183_ADI_CTRL_2));  in adv7183_log_status()
153 	v4l2_info(sd, "adv7183: Pixel delay control = 0x%02x\n",  in adv7183_log_status()
154 			adv7183_read(sd, ADV7183_PIX_DELAY_CTRL));  in adv7183_log_status()
155 	v4l2_info(sd, "adv7183: Misc gain control = 0x%02x\n",  in adv7183_log_status()
156 			adv7183_read(sd, ADV7183_MISC_GAIN_CTRL));  in adv7183_log_status()
157 	v4l2_info(sd, "adv7183: AGC mode control = 0x%02x\n",  in adv7183_log_status()
158 			adv7183_read(sd, ADV7183_AGC_MODE_CTRL));  in adv7183_log_status()
159 	v4l2_info(sd, "adv7183: Chroma gain control 1 and 2 = 0x%02x 0x%02x\n",  in adv7183_log_status()
160 			adv7183_read(sd, ADV7183_CHRO_GAIN_CTRL_1),  in adv7183_log_status()
161 			adv7183_read(sd, ADV7183_CHRO_GAIN_CTRL_2));  in adv7183_log_status()
162 	v4l2_info(sd, "adv7183: Luma gain control 1 and 2 = 0x%02x 0x%02x\n",  in adv7183_log_status()
163 			adv7183_read(sd, ADV7183_LUMA_GAIN_CTRL_1),  in adv7183_log_status()
164 			adv7183_read(sd, ADV7183_LUMA_GAIN_CTRL_2));  in adv7183_log_status()
165 	v4l2_info(sd, "adv7183: Vsync field control 1 2 and 3 = 0x%02x 0x%02x 0x%02x\n",  in adv7183_log_status()
166 			adv7183_read(sd, ADV7183_VS_FIELD_CTRL_1),  in adv7183_log_status()
167 			adv7183_read(sd, ADV7183_VS_FIELD_CTRL_2),  in adv7183_log_status()
168 			adv7183_read(sd, ADV7183_VS_FIELD_CTRL_3));  in adv7183_log_status()
169 	v4l2_info(sd, "adv7183: Hsync position control 1 2 and 3 = 0x%02x 0x%02x 0x%02x\n",  in adv7183_log_status()
170 			adv7183_read(sd, ADV7183_HS_POS_CTRL_1),  in adv7183_log_status()
171 			adv7183_read(sd, ADV7183_HS_POS_CTRL_2),  in adv7183_log_status()
172 			adv7183_read(sd, ADV7183_HS_POS_CTRL_3));  in adv7183_log_status()
173 	v4l2_info(sd, "adv7183: Polarity = 0x%02x\n",  in adv7183_log_status()
174 			adv7183_read(sd, ADV7183_POLARITY));  in adv7183_log_status()
175 	v4l2_info(sd, "adv7183: ADC control = 0x%02x\n",  in adv7183_log_status()
176 			adv7183_read(sd, ADV7183_ADC_CTRL));  in adv7183_log_status()
177 	v4l2_info(sd, "adv7183: SD offset Cb and Cr = 0x%02x 0x%02x\n",  in adv7183_log_status()
178 			adv7183_read(sd, ADV7183_SD_OFFSET_CB),  in adv7183_log_status()
179 			adv7183_read(sd, ADV7183_SD_OFFSET_CR));  in adv7183_log_status()
180 	v4l2_info(sd, "adv7183: SD saturation Cb and Cr = 0x%02x 0x%02x\n",  in adv7183_log_status()
181 			adv7183_read(sd, ADV7183_SD_SATURATION_CB),  in adv7183_log_status()
182 			adv7183_read(sd, ADV7183_SD_SATURATION_CR));  in adv7183_log_status()
183 	v4l2_info(sd, "adv7183: Drive strength = 0x%02x\n",  in adv7183_log_status()
184 			adv7183_read(sd, ADV7183_DRIVE_STR));  in adv7183_log_status()
185 	v4l2_ctrl_handler_log_status(&decoder->hdl, sd->name);  in adv7183_log_status()
189 static int adv7183_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)  in adv7183_g_std()  argument
191 	struct adv7183 *decoder = to_adv7183(sd);  in adv7183_g_std()
193 	*std = decoder->std;  in adv7183_g_std()
197 static int adv7183_s_std(struct v4l2_subdev *sd, v4l2_std_id std)  in adv7183_s_std()  argument
199 	struct adv7183 *decoder = to_adv7183(sd);  in adv7183_s_std()
202 	reg = adv7183_read(sd, ADV7183_IN_CTRL) & 0xF;  in adv7183_s_std()
220 		return -EINVAL;  in adv7183_s_std()
221 	adv7183_write(sd, ADV7183_IN_CTRL, reg);  in adv7183_s_std()
223 	decoder->std = std;  in adv7183_s_std()
228 static int adv7183_reset(struct v4l2_subdev *sd, u32 val)  in adv7183_reset()  argument
232 	reg = adv7183_read(sd, ADV7183_POW_MANAGE) | 0x80;  in adv7183_reset()
233 	adv7183_write(sd, ADV7183_POW_MANAGE, reg);  in adv7183_reset()
239 static int adv7183_s_routing(struct v4l2_subdev *sd,  in adv7183_s_routing()  argument
242 	struct adv7183 *decoder = to_adv7183(sd);  in adv7183_s_routing()
246 		return -EINVAL;  in adv7183_s_routing()
248 	if (input != decoder->input) {  in adv7183_s_routing()
249 		decoder->input = input;  in adv7183_s_routing()
250 		reg = adv7183_read(sd, ADV7183_IN_CTRL) & 0xF0;  in adv7183_s_routing()
300 		adv7183_write(sd, ADV7183_IN_CTRL, reg);  in adv7183_s_routing()
303 	if (output != decoder->output) {  in adv7183_s_routing()
304 		decoder->output = output;  in adv7183_s_routing()
305 		reg = adv7183_read(sd, ADV7183_OUT_CTRL) & 0xC0;  in adv7183_s_routing()
314 		adv7183_write(sd, ADV7183_OUT_CTRL, reg);  in adv7183_s_routing()
322 	struct v4l2_subdev *sd = to_sd(ctrl);  in adv7183_s_ctrl()  local
323 	int val = ctrl->val;  in adv7183_s_ctrl()
325 	switch (ctrl->id) {  in adv7183_s_ctrl()
328 			val = 127 - val;  in adv7183_s_ctrl()
329 		adv7183_write(sd, ADV7183_BRIGHTNESS, val);  in adv7183_s_ctrl()
332 		adv7183_write(sd, ADV7183_CONTRAST, val);  in adv7183_s_ctrl()
335 		adv7183_write(sd, ADV7183_SD_SATURATION_CB, val >> 8);  in adv7183_s_ctrl()
336 		adv7183_write(sd, ADV7183_SD_SATURATION_CR, (val & 0xFF));  in adv7183_s_ctrl()
339 		adv7183_write(sd, ADV7183_SD_OFFSET_CB, val >> 8);  in adv7183_s_ctrl()
340 		adv7183_write(sd, ADV7183_SD_OFFSET_CR, (val & 0xFF));  in adv7183_s_ctrl()
343 		return -EINVAL;  in adv7183_s_ctrl()
349 static int adv7183_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)  in adv7183_querystd()  argument
351 	struct adv7183 *decoder = to_adv7183(sd);  in adv7183_querystd()
355 	reg = adv7183_read(sd, ADV7183_IN_CTRL) & 0xF;  in adv7183_querystd()
356 	adv7183_write(sd, ADV7183_IN_CTRL, reg);  in adv7183_querystd()
362 	reg = adv7183_read(sd, ADV7183_STATUS_1);  in adv7183_querystd()
367 	case 1:  in adv7183_querystd()
394 	adv7183_s_std(sd, decoder->std);  in adv7183_querystd()
398 static int adv7183_g_input_status(struct v4l2_subdev *sd, u32 *status)  in adv7183_g_input_status()  argument
403 	reg = adv7183_read(sd, ADV7183_STATUS_1);  in adv7183_g_input_status()
411 static int adv7183_enum_mbus_code(struct v4l2_subdev *sd,  in adv7183_enum_mbus_code()  argument
415 	if (code->pad || code->index > 0)  in adv7183_enum_mbus_code()
416 		return -EINVAL;  in adv7183_enum_mbus_code()
418 	code->code = MEDIA_BUS_FMT_UYVY8_2X8;  in adv7183_enum_mbus_code()
422 static int adv7183_set_fmt(struct v4l2_subdev *sd,  in adv7183_set_fmt()  argument
426 	struct adv7183 *decoder = to_adv7183(sd);  in adv7183_set_fmt()
427 	struct v4l2_mbus_framefmt *fmt = &format->format;  in adv7183_set_fmt()
429 	if (format->pad)  in adv7183_set_fmt()
430 		return -EINVAL;  in adv7183_set_fmt()
432 	fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;  in adv7183_set_fmt()
433 	fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;  in adv7183_set_fmt()
434 	if (decoder->std & V4L2_STD_525_60) {  in adv7183_set_fmt()
435 		fmt->field = V4L2_FIELD_SEQ_TB;  in adv7183_set_fmt()
436 		fmt->width = 720;  in adv7183_set_fmt()
437 		fmt->height = 480;  in adv7183_set_fmt()
439 		fmt->field = V4L2_FIELD_SEQ_BT;  in adv7183_set_fmt()
440 		fmt->width = 720;  in adv7183_set_fmt()
441 		fmt->height = 576;  in adv7183_set_fmt()
443 	if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)  in adv7183_set_fmt()
444 		decoder->fmt = *fmt;  in adv7183_set_fmt()
448 static int adv7183_get_fmt(struct v4l2_subdev *sd,  in adv7183_get_fmt()  argument
452 	struct adv7183 *decoder = to_adv7183(sd);  in adv7183_get_fmt()
454 	if (format->pad)  in adv7183_get_fmt()
455 		return -EINVAL;  in adv7183_get_fmt()
457 	format->format = decoder->fmt;  in adv7183_get_fmt()
461 static int adv7183_s_stream(struct v4l2_subdev *sd, int enable)  in adv7183_s_stream()  argument
463 	struct adv7183 *decoder = to_adv7183(sd);  in adv7183_s_stream()
466 		gpiod_set_value(decoder->oe_pin, 1);  in adv7183_s_stream()
468 		gpiod_set_value(decoder->oe_pin, 0);  in adv7183_s_stream()
469 	udelay(1);  in adv7183_s_stream()
474 static int adv7183_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)  in adv7183_g_register()  argument
476 	reg->val = adv7183_read(sd, reg->reg & 0xff);  in adv7183_g_register()
477 	reg->size = 1;  in adv7183_g_register()
481 static int adv7183_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)  in adv7183_s_register()  argument
483 	adv7183_write(sd, reg->reg & 0xff, reg->val & 0xff);  in adv7183_s_register()
525 	struct v4l2_subdev *sd;  in adv7183_probe()  local
533 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))  in adv7183_probe()
534 		return -EIO;  in adv7183_probe()
537 			client->addr << 1, client->adapter->name);  in adv7183_probe()
539 	decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);  in adv7183_probe()
541 		return -ENOMEM;  in adv7183_probe()
547 	decoder->reset_pin = devm_gpiod_get(&client->dev, "reset",  in adv7183_probe()
549 	if (IS_ERR(decoder->reset_pin))  in adv7183_probe()
550 		return PTR_ERR(decoder->reset_pin);  in adv7183_probe()
551 	gpiod_set_consumer_name(decoder->reset_pin, "ADV7183 Reset");  in adv7183_probe()
556 	decoder->oe_pin = devm_gpiod_get(&client->dev, "oe",  in adv7183_probe()
558 	if (IS_ERR(decoder->oe_pin))  in adv7183_probe()
559 		return PTR_ERR(decoder->oe_pin);  in adv7183_probe()
560 	gpiod_set_consumer_name(decoder->reset_pin, "ADV7183 Output Enable");  in adv7183_probe()
562 	sd = &decoder->sd;  in adv7183_probe()
563 	v4l2_i2c_subdev_init(sd, client, &adv7183_ops);  in adv7183_probe()
565 	hdl = &decoder->hdl;  in adv7183_probe()
568 			V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);  in adv7183_probe()
570 			V4L2_CID_CONTRAST, 0, 0xFF, 1, 0x80);  in adv7183_probe()
572 			V4L2_CID_SATURATION, 0, 0xFFFF, 1, 0x8080);  in adv7183_probe()
574 			V4L2_CID_HUE, 0, 0xFFFF, 1, 0x8080);  in adv7183_probe()
576 	sd->ctrl_handler = hdl;  in adv7183_probe()
577 	if (hdl->error) {  in adv7183_probe()
578 		ret = hdl->error;  in adv7183_probe()
585 	decoder->std = V4L2_STD_PAL;  in adv7183_probe()
586 	decoder->input = ADV7183_COMPOSITE4;  in adv7183_probe()
587 	decoder->output = ADV7183_8BIT_OUT;  in adv7183_probe()
592 	/* De-assert reset line (descriptor tagged active low) */  in adv7183_probe()
593 	gpiod_set_value(decoder->reset_pin, 0);  in adv7183_probe()
597 	adv7183_writeregs(sd, adv7183_init_regs, ARRAY_SIZE(adv7183_init_regs));  in adv7183_probe()
598 	adv7183_s_std(sd, decoder->std);  in adv7183_probe()
601 	adv7183_set_fmt(sd, NULL, &fmt);  in adv7183_probe()
615 	struct v4l2_subdev *sd = i2c_get_clientdata(client);  in adv7183_remove()  local
617 	v4l2_device_unregister_subdev(sd);  in adv7183_remove()
618 	v4l2_ctrl_handler_free(sd->ctrl_handler);  in adv7183_remove()