3  *  bt819 - BT819A VideoStream Decoder (Rockwell Part)
29 MODULE_DESCRIPTION("Brooktree-819 video decoder driver");
77 static inline int bt819_write(struct bt819 *decoder, u8 reg, u8 value)  in bt819_write()  argument
79 	struct i2c_client *client = v4l2_get_subdevdata(&decoder->sd);  in bt819_write()
81 	decoder->reg[reg] = value;  in bt819_write()
85 static inline int bt819_setbit(struct bt819 *decoder, u8 reg, u8 bit, u8 value)  in bt819_setbit()  argument
87 	return bt819_write(decoder, reg,  in bt819_setbit()
88 		(decoder->reg[reg] & ~(1 << bit)) | (value ? (1 << bit) : 0));  in bt819_setbit()
91 static int bt819_write_block(struct bt819 *decoder, const u8 *data, unsigned int len)  in bt819_write_block()  argument
93 	struct i2c_client *client = v4l2_get_subdevdata(&decoder->sd);  in bt819_write_block()
109 				    decoder->reg[reg++] = data[1];  in bt819_write_block()
121 			ret = bt819_write(decoder, reg, *data++);  in bt819_write_block()
131 static inline int bt819_read(struct bt819 *decoder, u8 reg)  in bt819_read()  argument
133 	struct i2c_client *client = v4l2_get_subdevdata(&decoder->sd);  in bt819_read()
174 	struct bt819 *decoder = to_bt819(sd);  in bt819_init()  local
175 	struct timing *timing = &timing_data[(decoder->norm & V4L2_STD_525_60) ? 1 : 0];  in bt819_init()
189 	init[0x15 * 2 - 1] = (decoder->norm & V4L2_STD_625_50) ? 115 : 93;	/* Chroma burst delay */  in bt819_init()
191 	bt819_write(decoder, 0x1f, 0x00);  in bt819_init()
195 	return bt819_write_block(decoder, init, sizeof(init));  in bt819_init()
202 	struct bt819 *decoder = to_bt819(sd);  in bt819_status()  local
203 	int status = bt819_read(decoder, 0x00);  in bt819_status()
237 	struct bt819 *decoder = to_bt819(sd);  in bt819_s_std()  local
247 		bt819_setbit(decoder, 0x01, 0, 1);  in bt819_s_std()
248 		bt819_setbit(decoder, 0x01, 1, 0);  in bt819_s_std()
249 		bt819_setbit(decoder, 0x01, 5, 0);  in bt819_s_std()
250 		bt819_write(decoder, 0x18, 0x68);  in bt819_s_std()
251 		bt819_write(decoder, 0x19, 0x5d);  in bt819_s_std()
252 		/* bt819_setbit(decoder, 0x1a,  5, 1); */  in bt819_s_std()
256 		bt819_setbit(decoder, 0x01, 0, 1);  in bt819_s_std()
257 		bt819_setbit(decoder, 0x01, 1, 1);  in bt819_s_std()
258 		bt819_setbit(decoder, 0x01, 5, 1);  in bt819_s_std()
259 		bt819_write(decoder, 0x18, 0x7f);  in bt819_s_std()
260 		bt819_write(decoder, 0x19, 0x72);  in bt819_s_std()
261 		/* bt819_setbit(decoder, 0x1a,  5, 0); */  in bt819_s_std()
268 	bt819_write(decoder, 0x03,  in bt819_s_std()
273 	bt819_write(decoder, 0x04, timing->vdelay & 0xff);  in bt819_s_std()
274 	bt819_write(decoder, 0x05, timing->vactive & 0xff);  in bt819_s_std()
275 	bt819_write(decoder, 0x06, timing->hdelay & 0xff);  in bt819_s_std()
276 	bt819_write(decoder, 0x07, timing->hactive & 0xff);  in bt819_s_std()
277 	bt819_write(decoder, 0x08, (timing->hscale >> 8) & 0xff);  in bt819_s_std()
278 	bt819_write(decoder, 0x09, timing->hscale & 0xff);  in bt819_s_std()
279 	decoder->norm = std;  in bt819_s_std()
287 	struct bt819 *decoder = to_bt819(sd);  in bt819_s_routing()  local
297 	if (decoder->input != input) {  in bt819_s_routing()
299 		decoder->input = input;  in bt819_s_routing()
301 		if (decoder->input == 0) {  in bt819_s_routing()
302 			bt819_setbit(decoder, 0x0b, 6, 0);  in bt819_s_routing()
303 			bt819_setbit(decoder, 0x1a, 1, 1);  in bt819_s_routing()
305 			bt819_setbit(decoder, 0x0b, 6, 1);  in bt819_s_routing()
306 			bt819_setbit(decoder, 0x1a, 1, 0);  in bt819_s_routing()
315 	struct bt819 *decoder = to_bt819(sd);  in bt819_s_stream()  local
319 	if (decoder->enable != enable) {  in bt819_s_stream()
320 		decoder->enable = enable;  in bt819_s_stream()
321 		bt819_setbit(decoder, 0x16, 7, !enable);  in bt819_s_stream()
329 	struct bt819 *decoder = to_bt819(sd);  in bt819_s_ctrl()  local
334 		bt819_write(decoder, 0x0a, ctrl->val);  in bt819_s_ctrl()
338 		bt819_write(decoder, 0x0c, ctrl->val & 0xff);  in bt819_s_ctrl()
339 		bt819_setbit(decoder, 0x0b, 2, ((ctrl->val >> 8) & 0x01));  in bt819_s_ctrl()
343 		bt819_write(decoder, 0x0d, (ctrl->val >> 7) & 0xff);  in bt819_s_ctrl()
344 		bt819_setbit(decoder, 0x0b, 1, ((ctrl->val >> 15) & 0x01));  in bt819_s_ctrl()
349 		bt819_write(decoder, 0x0e, (temp >> 7) & 0xff);  in bt819_s_ctrl()
350 		bt819_setbit(decoder, 0x0b, 0, (temp >> 15) & 0x01);  in bt819_s_ctrl()
354 		bt819_write(decoder, 0x0f, ctrl->val);  in bt819_s_ctrl()
386 	struct bt819 *decoder;  in bt819_probe()  local
394 	decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);  in bt819_probe()
395 	if (decoder == NULL)  in bt819_probe()
397 	sd = &decoder->sd;  in bt819_probe()
400 	ver = bt819_read(decoder, 0x17);  in bt819_probe()
420 	decoder->norm = V4L2_STD_NTSC;  in bt819_probe()
421 	decoder->input = 0;  in bt819_probe()
422 	decoder->enable = 1;  in bt819_probe()
428 	v4l2_ctrl_handler_init(&decoder->hdl, 4);  in bt819_probe()
429 	v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,  in bt819_probe()
431 	v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,  in bt819_probe()
433 	v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,  in bt819_probe()
435 	v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,  in bt819_probe()
437 	sd->ctrl_handler = &decoder->hdl;  in bt819_probe()
438 	if (decoder->hdl.error) {  in bt819_probe()
439 		int err = decoder->hdl.error;  in bt819_probe()
441 		v4l2_ctrl_handler_free(&decoder->hdl);  in bt819_probe()
444 	v4l2_ctrl_handler_setup(&decoder->hdl);  in bt819_probe()
451 	struct bt819 *decoder = to_bt819(sd);  in bt819_remove()  local
454 	v4l2_ctrl_handler_free(&decoder->hdl);  in bt819_remove()