62 	struct bttv *btv = (struct bttv*)data;  in bttv_bit_setscl()  local
65 		btv->i2c_state |= 0x02;  in bttv_bit_setscl()
67 		btv->i2c_state &= ~0x02;  in bttv_bit_setscl()
68 	btwrite(btv->i2c_state, BT848_I2C);  in bttv_bit_setscl()
74 	struct bttv *btv = (struct bttv*)data;  in bttv_bit_setsda()  local
77 		btv->i2c_state |= 0x01;  in bttv_bit_setsda()
79 		btv->i2c_state &= ~0x01;  in bttv_bit_setsda()
80 	btwrite(btv->i2c_state, BT848_I2C);  in bttv_bit_setsda()
86 	struct bttv *btv = (struct bttv*)data;  in bttv_bit_getscl()  local
95 	struct bttv *btv = (struct bttv*)data;  in bttv_bit_getsda()  local
120 bttv_i2c_wait_done(struct bttv *btv)  in bttv_i2c_wait_done()  argument
125 	if (wait_event_interruptible_timeout(btv->i2c_queue,  in bttv_i2c_wait_done()
126 	    btv->i2c_done, msecs_to_jiffies(85)) == -ERESTARTSYS)  in bttv_i2c_wait_done()
129 	if (btv->i2c_done & BT848_INT_RACK)  in bttv_i2c_wait_done()
131 	btv->i2c_done = 0;  in bttv_i2c_wait_done()
139 bttv_i2c_sendbytes(struct bttv *btv, const struct i2c_msg *msg, int last)  in bttv_i2c_sendbytes()  argument
153 	retval = bttv_i2c_wait_done(btv);  in bttv_i2c_sendbytes()
168 		retval = bttv_i2c_wait_done(btv);  in bttv_i2c_sendbytes()
189 bttv_i2c_readbytes(struct bttv *btv, const struct i2c_msg *msg, int last)  in bttv_i2c_readbytes()  argument
210 		retval = bttv_i2c_wait_done(btv);  in bttv_i2c_readbytes()
237 	struct bttv *btv = to_bttv(v4l2_dev);  in bttv_i2c_xfer()  local
248 			retval = bttv_i2c_readbytes(btv, &msgs[i], i+1 == num);  in bttv_i2c_xfer()
253 			retval = bttv_i2c_sendbytes(btv, &msgs[i], i+1 == num);  in bttv_i2c_xfer()
273 int bttv_I2CRead(struct bttv *btv, unsigned char addr, char *probe_for)  in bttv_I2CRead()  argument
277 	if (0 != btv->i2c_rc)  in bttv_I2CRead()
281 			btv->c.nr, probe_for, addr);  in bttv_I2CRead()
282 	btv->i2c_client.addr = addr >> 1;  in bttv_I2CRead()
283 	if (1 != i2c_master_recv(&btv->i2c_client, &buffer, 1)) {  in bttv_I2CRead()
289 				btv->c.nr, addr);  in bttv_I2CRead()
298 int bttv_I2CWrite(struct bttv *btv, unsigned char addr, unsigned char b1,  in bttv_I2CWrite()  argument
304 	if (0 != btv->i2c_rc)  in bttv_I2CWrite()
306 	btv->i2c_client.addr = addr >> 1;  in bttv_I2CWrite()
309 	if (bytes != i2c_master_send(&btv->i2c_client, buffer, bytes))  in bttv_I2CWrite()
315 void bttv_readee(struct bttv *btv, unsigned char *eedata, int addr)  in bttv_readee()  argument
318 	if (0 != btv->i2c_rc)  in bttv_readee()
320 	btv->i2c_client.addr = addr >> 1;  in bttv_readee()
321 	tveeprom_read(&btv->i2c_client, eedata, 256);  in bttv_readee()
350 int init_bttv_i2c(struct bttv *btv)  in init_bttv_i2c()  argument
352 	strlcpy(btv->i2c_client.name, "bttv internal", I2C_NAME_SIZE);  in init_bttv_i2c()
355 		btv->use_i2c_hw = 1;  in init_bttv_i2c()
356 	if (btv->use_i2c_hw) {  in init_bttv_i2c()
358 		strlcpy(btv->c.i2c_adap.name, "bt878",  in init_bttv_i2c()
359 			sizeof(btv->c.i2c_adap.name));  in init_bttv_i2c()
360 		btv->c.i2c_adap.algo = &bttv_algo;  in init_bttv_i2c()
367 		strlcpy(btv->c.i2c_adap.name, "bttv",  in init_bttv_i2c()
368 			sizeof(btv->c.i2c_adap.name));  in init_bttv_i2c()
369 		btv->i2c_algo = bttv_i2c_algo_bit_template;  in init_bttv_i2c()
370 		btv->i2c_algo.udelay = i2c_udelay;  in init_bttv_i2c()
371 		btv->i2c_algo.data = btv;  in init_bttv_i2c()
372 		btv->c.i2c_adap.algo_data = &btv->i2c_algo;  in init_bttv_i2c()
374 	btv->c.i2c_adap.owner = THIS_MODULE;  in init_bttv_i2c()
376 	btv->c.i2c_adap.dev.parent = &btv->c.pci->dev;  in init_bttv_i2c()
377 	snprintf(btv->c.i2c_adap.name, sizeof(btv->c.i2c_adap.name),  in init_bttv_i2c()
378 		 "bt%d #%d [%s]", btv->id, btv->c.nr,  in init_bttv_i2c()
379 		 btv->use_i2c_hw ? "hw" : "sw");  in init_bttv_i2c()
381 	i2c_set_adapdata(&btv->c.i2c_adap, &btv->c.v4l2_dev);  in init_bttv_i2c()
382 	btv->i2c_client.adapter = &btv->c.i2c_adap;  in init_bttv_i2c()
385 	if (btv->use_i2c_hw) {  in init_bttv_i2c()
386 		btv->i2c_rc = i2c_add_adapter(&btv->c.i2c_adap);  in init_bttv_i2c()
388 		bttv_bit_setscl(btv,1);  in init_bttv_i2c()
389 		bttv_bit_setsda(btv,1);  in init_bttv_i2c()
390 		btv->i2c_rc = i2c_bit_add_bus(&btv->c.i2c_adap);  in init_bttv_i2c()
392 	if (0 == btv->i2c_rc && i2c_scan)  in init_bttv_i2c()
393 		do_i2c_scan(btv->c.v4l2_dev.name, &btv->i2c_client);  in init_bttv_i2c()
395 	return btv->i2c_rc;  in init_bttv_i2c()
398 int fini_bttv_i2c(struct bttv *btv)  in fini_bttv_i2c()  argument
400 	if (btv->i2c_rc == 0)  in fini_bttv_i2c()
401 		i2c_del_adapter(&btv->c.i2c_adap);  in fini_bttv_i2c()