3  * bt856 - BT856A Digital Video Encoder (Rockwell Part)
27 MODULE_DESCRIPTION("Brooktree-856A video encoder driver");
55 static inline int bt856_write(struct bt856 *encoder, u8 reg, u8 value)  in bt856_write()  argument
57 	struct i2c_client *client = v4l2_get_subdevdata(&encoder->sd);  in bt856_write()
59 	encoder->reg[reg - BT856_REG_OFFSET] = value;  in bt856_write()
63 static inline int bt856_setbit(struct bt856 *encoder, u8 reg, u8 bit, u8 value)  in bt856_setbit()  argument
65 	return bt856_write(encoder, reg,  in bt856_setbit()
66 		(encoder->reg[reg - BT856_REG_OFFSET] & ~(1 << bit)) |  in bt856_setbit()
70 static void bt856_dump(struct bt856 *encoder)  in bt856_dump()  argument
74 	v4l2_info(&encoder->sd, "register dump:\n");  in bt856_dump()
76 		printk(KERN_CONT " %02x", encoder->reg[i]);  in bt856_dump()
84 	struct bt856 *encoder = to_bt856(sd);  in bt856_init()  local
88 	bt856_write(encoder, 0xdc, 0x18);  in bt856_init()
89 	bt856_write(encoder, 0xda, 0);  in bt856_init()
90 	bt856_write(encoder, 0xde, 0);  in bt856_init()
92 	bt856_setbit(encoder, 0xdc, 3, 1);  in bt856_init()
93 	/*bt856_setbit(encoder, 0xdc, 6, 0);*/  in bt856_init()
94 	bt856_setbit(encoder, 0xdc, 4, 1);  in bt856_init()
96 	if (encoder->norm & V4L2_STD_NTSC)  in bt856_init()
97 		bt856_setbit(encoder, 0xdc, 2, 0);  in bt856_init()
99 		bt856_setbit(encoder, 0xdc, 2, 1);  in bt856_init()
101 	bt856_setbit(encoder, 0xdc, 1, 1);  in bt856_init()
102 	bt856_setbit(encoder, 0xde, 4, 0);  in bt856_init()
103 	bt856_setbit(encoder, 0xde, 3, 1);  in bt856_init()
105 		bt856_dump(encoder);  in bt856_init()
111 	struct bt856 *encoder = to_bt856(sd);  in bt856_s_std_output()  local
116 		bt856_setbit(encoder, 0xdc, 2, 0);  in bt856_s_std_output()
118 		bt856_setbit(encoder, 0xdc, 2, 1);  in bt856_s_std_output()
119 		bt856_setbit(encoder, 0xda, 0, 0);  in bt856_s_std_output()
120 		/*bt856_setbit(encoder, 0xda, 0, 1);*/  in bt856_s_std_output()
124 	encoder->norm = std;  in bt856_s_std_output()
126 		bt856_dump(encoder);  in bt856_s_std_output()
133 	struct bt856 *encoder = to_bt856(sd);  in bt856_s_routing()  local
142 		bt856_setbit(encoder, 0xde, 4, 0);  in bt856_s_routing()
143 		bt856_setbit(encoder, 0xde, 3, 1);  in bt856_s_routing()
144 		bt856_setbit(encoder, 0xdc, 3, 1);  in bt856_s_routing()
145 		bt856_setbit(encoder, 0xdc, 6, 0);  in bt856_s_routing()
148 		bt856_setbit(encoder, 0xde, 4, 0);  in bt856_s_routing()
149 		bt856_setbit(encoder, 0xde, 3, 1);  in bt856_s_routing()
150 		bt856_setbit(encoder, 0xdc, 3, 1);  in bt856_s_routing()
151 		bt856_setbit(encoder, 0xdc, 6, 1);  in bt856_s_routing()
154 		bt856_setbit(encoder, 0xdc, 3, 0);  in bt856_s_routing()
155 		bt856_setbit(encoder, 0xde, 4, 1);  in bt856_s_routing()
162 		bt856_dump(encoder);  in bt856_s_routing()
186 	struct bt856 *encoder;  in bt856_probe()  local
196 	encoder = devm_kzalloc(&client->dev, sizeof(*encoder), GFP_KERNEL);  in bt856_probe()
197 	if (encoder == NULL)  in bt856_probe()
199 	sd = &encoder->sd;  in bt856_probe()
201 	encoder->norm = V4L2_STD_NTSC;  in bt856_probe()
203 	bt856_write(encoder, 0xdc, 0x18);  in bt856_probe()
204 	bt856_write(encoder, 0xda, 0);  in bt856_probe()
205 	bt856_write(encoder, 0xde, 0);  in bt856_probe()
207 	bt856_setbit(encoder, 0xdc, 3, 1);  in bt856_probe()
208 	/*bt856_setbit(encoder, 0xdc, 6, 0);*/  in bt856_probe()
209 	bt856_setbit(encoder, 0xdc, 4, 1);  in bt856_probe()
211 	if (encoder->norm & V4L2_STD_NTSC)  in bt856_probe()
212 		bt856_setbit(encoder, 0xdc, 2, 0);  in bt856_probe()
214 		bt856_setbit(encoder, 0xdc, 2, 1);  in bt856_probe()
216 	bt856_setbit(encoder, 0xdc, 1, 1);  in bt856_probe()
217 	bt856_setbit(encoder, 0xde, 4, 0);  in bt856_probe()
218 	bt856_setbit(encoder, 0xde, 3, 1);  in bt856_probe()
221 		bt856_dump(encoder);  in bt856_probe()