1 // SPDX-License-Identifier: GPL-2.0
3 // I2C address is always 0x20 (0x10 at 7-bit mode).
5 // Copyright (c) 2005-2007 Mauro Carvalho Chehab <[email protected]>
12 #include "tuner-i2c.h"
32 /* INTREG - Read: bytes 0 and 1 / Write: byte 0 */
34 	/* first byte for reading */
40 	/* second byte for reading / byte for writing */
46 /* FRQSET - Read: bytes 2 and 3 / Write: byte 1 and 2 */
48 	/* First byte */
52 	/* Bits 0-5 for divider MSB */
54 	/* Second byte */
55 	/* Bits 0-7 for divider LSB */
57 /* TNCTRL - Read: bytes 4 and 5 / Write: Bytes 3 and 4 */
59 	/* first byte */
69 	/* second byte */
80 /* FRQCHECK - Read: bytes 6 and 7  */
81 	/* First byte */
83 	/* Bits 0-5 for divider MSB */
85 	/* Second byte */
86 	/* Bits 0-7 for divider LSB */
88 /* TUNCHECK - Read: bytes 8 and 9  */
90 	/* First byte */
94 	/* Second byte */
99 /* TESTREG - Read: bytes 10 and 11 / Write: bytes 5 and 6 */
103 /* MANID - Read: bytes 12 and 13 */
105 	/* First byte - should be 0x10 */
107 #define TEA5767_MANID_ID_MSB_MASK	0x0f	/* Manufacurer ID - should be 0 */
109 	/* Second byte - Should be 0x2b */
111 #define TEA5767_MANID_ID_LSB_MASK	0xfe	/* Manufacturer ID - should be 0x15 */
114 /* Chip ID - Read: bytes 14 and 15 */
116 	/* First byte - should be 0x57 */
118 	/* Second byte - should be 0x61 */
140 	struct tea5761_priv *priv = fe->tuner_priv;  in __set_radio_freq()
148 	if (priv->standby) {  in __set_radio_freq()
163 	div = (1000 * (frq * 4 / 16 + 700 + 225) ) >> 15;  in __set_radio_freq()
170 	if (7 != (rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 7)))  in __set_radio_freq()
173 	priv->frequency = frq * 125 / 2;  in __set_radio_freq()
181 	struct tea5761_priv *priv = fe->analog_demod_priv;  in set_radio_freq()
183 	priv->standby = false;  in set_radio_freq()
185 	return __set_radio_freq(fe, params->frequency,  in set_radio_freq()
186 				params->audmode == V4L2_TUNER_MODE_MONO);  in set_radio_freq()
191 	struct tea5761_priv *priv = fe->analog_demod_priv;  in set_radio_sleep()
193 	priv->standby = true;  in set_radio_sleep()
195 	return __set_radio_freq(fe, priv->frequency, false);  in set_radio_sleep()
200 	struct tea5761_priv *priv = fe->tuner_priv;  in tea5761_read_status()
203 	memset(buffer, 0, 16);  in tea5761_read_status()
204 	if (16 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props, buffer, 16))) {  in tea5761_read_status()
205 		tuner_warn("i2c i/o error: rc == %d (should be 16)\n", rc);  in tea5761_read_status()
206 		return -EREMOTEIO;  in tea5761_read_status()
214 	struct tea5761_priv *priv = fe->tuner_priv;  in tea5761_signal()
216 	int signal = ((buffer[9] & TEA5761_TUNCHECK_LEV_MASK) << (13 - 4));  in tea5761_signal()
225 	struct tea5761_priv *priv = fe->tuner_priv;  in tea5761_stereo()
236 	unsigned char buffer[16];  in tea5761_get_status()
252 	unsigned char buffer[16];  in tea5761_get_rf_strength()
264 	unsigned char buffer[16];  in tea5761_autodetection()
268 	if (16 != (rc = tuner_i2c_xfer_recv(&i2c, buffer, 16))) {  in tea5761_autodetection()
270 		return -EINVAL;  in tea5761_autodetection()
276 		return -EINVAL;  in tea5761_autodetection()
286 	kfree(fe->tuner_priv);  in tea5761_release()
287 	fe->tuner_priv = NULL;  in tea5761_release()
292 	struct tea5761_priv *priv = fe->tuner_priv;  in tea5761_get_frequency()
293 	*frequency = priv->frequency;  in tea5761_get_frequency()
321 	fe->tuner_priv = priv;  in tea5761_attach()
323 	priv->i2c_props.addr = i2c_addr;  in tea5761_attach()
324 	priv->i2c_props.adap = i2c_adap;  in tea5761_attach()
325 	priv->i2c_props.name = "tea5761";  in tea5761_attach()
327 	memcpy(&fe->ops.tuner_ops, &tea5761_tuner_ops,  in tea5761_attach()