Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Panasonic MN88473 DVB-T/T2/C demodulator driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include "mn88473_priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) static int mn88473_get_tune_settings(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 				     struct dvb_frontend_tune_settings *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 	s->min_delay_ms = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) static int mn88473_set_frontend(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	struct i2c_client *client = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	struct mn88473_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	unsigned int uitmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	u32 if_frequency;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	u8 delivery_system_val, if_val[3], *conf_val_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	u8 reg_bank2_2d_val, reg_bank0_d2_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	dev_dbg(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 		"delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%d stream_id=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 		c->delivery_system, c->modulation, c->frequency,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 		c->bandwidth_hz, c->symbol_rate, c->inversion, c->stream_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	if (!dev->active) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 		ret = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	switch (c->delivery_system) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	case SYS_DVBT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		delivery_system_val = 0x02;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 		reg_bank2_2d_val = 0x23;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 		reg_bank0_d2_val = 0x2a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	case SYS_DVBT2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		delivery_system_val = 0x03;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		reg_bank2_2d_val = 0x3b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		reg_bank0_d2_val = 0x29;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	case SYS_DVBC_ANNEX_A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		delivery_system_val = 0x04;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		reg_bank2_2d_val = 0x3b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		reg_bank0_d2_val = 0x29;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	switch (c->delivery_system) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	case SYS_DVBT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	case SYS_DVBT2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		switch (c->bandwidth_hz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		case 6000000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 			conf_val_ptr = "\xe9\x55\x55\x1c\x29\x1c\x29";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		case 7000000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 			conf_val_ptr = "\xc8\x00\x00\x17\x0a\x17\x0a";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		case 8000000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 			conf_val_ptr = "\xaf\x00\x00\x11\xec\x11\xec";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	case SYS_DVBC_ANNEX_A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		conf_val_ptr = "\x10\xab\x0d\xae\x1d\x9d";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	/* Program tuner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	if (fe->ops.tuner_ops.set_params) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		ret = fe->ops.tuner_ops.set_params(fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	if (fe->ops.tuner_ops.get_if_frequency) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		dev_dbg(&client->dev, "get_if_frequency=%u\n", if_frequency);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	/* Calculate IF registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	uitmp = DIV_ROUND_CLOSEST_ULL((u64) if_frequency * 0x1000000, dev->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	if_val[0] = (uitmp >> 16) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	if_val[1] = (uitmp >>  8) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	if_val[2] = (uitmp >>  0) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	ret = regmap_write(dev->regmap[2], 0x05, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	ret = regmap_write(dev->regmap[2], 0xfb, 0x13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	ret = regmap_write(dev->regmap[2], 0xef, 0x13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	ret = regmap_write(dev->regmap[2], 0xf9, 0x13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	ret = regmap_write(dev->regmap[2], 0x00, 0x18);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	ret = regmap_write(dev->regmap[2], 0x01, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	ret = regmap_write(dev->regmap[2], 0x02, 0x21);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	ret = regmap_write(dev->regmap[2], 0x0b, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	for (i = 0; i < sizeof(if_val); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	switch (c->delivery_system) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	case SYS_DVBT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	case SYS_DVBT2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		for (i = 0; i < 7; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 			ret = regmap_write(dev->regmap[2], 0x13 + i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 					   conf_val_ptr[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 			if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 				goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	case SYS_DVBC_ANNEX_A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		ret = regmap_bulk_write(dev->regmap[1], 0x10, conf_val_ptr, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	ret = regmap_write(dev->regmap[2], 0x2d, reg_bank2_2d_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	ret = regmap_write(dev->regmap[2], 0x2e, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	ret = regmap_write(dev->regmap[2], 0x56, 0x0d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	ret = regmap_bulk_write(dev->regmap[0], 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 				"\xba\x13\x80\xba\x91\xdd\xe7\x28", 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	ret = regmap_write(dev->regmap[0], 0x0a, 0x1a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	ret = regmap_write(dev->regmap[0], 0x13, 0x1f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	ret = regmap_write(dev->regmap[0], 0x19, 0x03);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	ret = regmap_write(dev->regmap[0], 0x1d, 0xb0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	ret = regmap_write(dev->regmap[0], 0x2a, 0x72);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	ret = regmap_write(dev->regmap[0], 0x2d, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	ret = regmap_write(dev->regmap[0], 0x3c, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	ret = regmap_write(dev->regmap[0], 0x3f, 0xf8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	ret = regmap_bulk_write(dev->regmap[0], 0x40, "\xf4\x08", 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	ret = regmap_write(dev->regmap[0], 0xd2, reg_bank0_d2_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	ret = regmap_write(dev->regmap[0], 0xd4, 0x55);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	ret = regmap_write(dev->regmap[1], 0xbe, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	ret = regmap_write(dev->regmap[0], 0xb2, 0x37);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	ret = regmap_write(dev->regmap[0], 0xd7, 0x04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	/* PLP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	if (c->delivery_system == SYS_DVBT2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		ret = regmap_write(dev->regmap[2], 0x36,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 				(c->stream_id == NO_STREAM_ID_FILTER) ? 0 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 				c->stream_id );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	/* Reset FSM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) static int mn88473_read_status(struct dvb_frontend *fe, enum fe_status *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	struct i2c_client *client = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	struct mn88473_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	int ret, i, stmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	unsigned int utmp, utmp1, utmp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	u8 buf[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	if (!dev->active) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		ret = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	/* Lock detection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	switch (c->delivery_system) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	case SYS_DVBT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		ret = regmap_read(dev->regmap[0], 0x62, &utmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		if (!(utmp & 0xa0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 			if ((utmp & 0x0f) >= 0x09)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 					  FE_HAS_VITERBI | FE_HAS_SYNC |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 					  FE_HAS_LOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 			else if ((utmp & 0x0f) >= 0x03)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 			*status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	case SYS_DVBT2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 		ret = regmap_read(dev->regmap[2], 0x8b, &utmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		if (!(utmp & 0x40)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 			if ((utmp & 0x0f) >= 0x0d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 					  FE_HAS_VITERBI | FE_HAS_SYNC |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 					  FE_HAS_LOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 			else if ((utmp & 0x0f) >= 0x0a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 					  FE_HAS_VITERBI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 			else if ((utmp & 0x0f) >= 0x07)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 			*status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	case SYS_DVBC_ANNEX_A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 		ret = regmap_read(dev->regmap[1], 0x85, &utmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		if (!(utmp & 0x40)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 			ret = regmap_read(dev->regmap[1], 0x89, &utmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 			if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 				goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 			if (utmp & 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 				*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 						FE_HAS_VITERBI | FE_HAS_SYNC |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 						FE_HAS_LOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 			*status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	/* Signal strength */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	if (*status & FE_HAS_SIGNAL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 		for (i = 0; i < 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 			ret = regmap_bulk_read(dev->regmap[2], 0x86 + i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 					       &buf[i], 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 			if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 				goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		/* AGCRD[15:6] gives us a 10bit value ([5:0] are always 0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 		utmp1 = buf[0] << 8 | buf[1] << 0 | buf[0] >> 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 		dev_dbg(&client->dev, "strength=%u\n", utmp1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		c->strength.stat[0].scale = FE_SCALE_RELATIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 		c->strength.stat[0].uvalue = utmp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 		c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	/* CNR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	if (*status & FE_HAS_VITERBI && c->delivery_system == SYS_DVBT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 		/* DVB-T CNR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 		ret = regmap_bulk_read(dev->regmap[0], 0x8f, buf, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 		utmp = buf[0] << 8 | buf[1] << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 		if (utmp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 			/* CNR[dB]: 10 * (log10(65536 / value) + 0.2) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 			/* log10(65536) = 80807124, 0.2 = 3355443 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 			stmp = div_u64(((u64)80807124 - intlog10(utmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 					+ 3355443) * 10000, 1 << 24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 			dev_dbg(&client->dev, "cnr=%d value=%u\n", stmp, utmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 			stmp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 		c->cnr.stat[0].svalue = stmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 		c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	} else if (*status & FE_HAS_VITERBI &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 		   c->delivery_system == SYS_DVBT2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 		/* DVB-T2 CNR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 		for (i = 0; i < 3; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 			ret = regmap_bulk_read(dev->regmap[2], 0xb7 + i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 					       &buf[i], 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 			if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 				goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 		utmp = buf[1] << 8 | buf[2] << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 		utmp1 = (buf[0] >> 2) & 0x01; /* 0=SISO, 1=MISO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 		if (utmp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 			if (utmp1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 				/* CNR[dB]: 10 * (log10(16384 / value) - 0.6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 				/* log10(16384) = 70706234, 0.6 = 10066330 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 				stmp = div_u64(((u64)70706234 - intlog10(utmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 						- 10066330) * 10000, 1 << 24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 				dev_dbg(&client->dev, "cnr=%d value=%u MISO\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 					stmp, utmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 				/* CNR[dB]: 10 * (log10(65536 / value) + 0.2) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 				/* log10(65536) = 80807124, 0.2 = 3355443 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 				stmp = div_u64(((u64)80807124 - intlog10(utmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 						+ 3355443) * 10000, 1 << 24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 				dev_dbg(&client->dev, "cnr=%d value=%u SISO\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 					stmp, utmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 			stmp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 		c->cnr.stat[0].svalue = stmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 		c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	} else if (*status & FE_HAS_VITERBI &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 		   c->delivery_system == SYS_DVBC_ANNEX_A) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 		/* DVB-C CNR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 		ret = regmap_bulk_read(dev->regmap[1], 0xa1, buf, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 		utmp1 = buf[0] << 8 | buf[1] << 0; /* signal */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 		utmp2 = buf[2] << 8 | buf[3] << 0; /* noise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 		if (utmp1 && utmp2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 			/* CNR[dB]: 10 * log10(8 * (signal / noise)) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 			/* log10(8) = 15151336 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 			stmp = div_u64(((u64)15151336 + intlog10(utmp1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 					- intlog10(utmp2)) * 10000, 1 << 24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 			dev_dbg(&client->dev, "cnr=%d signal=%u noise=%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 				stmp, utmp1, utmp2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 			stmp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 		c->cnr.stat[0].svalue = stmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 		c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 		c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	/* BER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 	if (*status & FE_HAS_LOCK && (c->delivery_system == SYS_DVBT ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 				      c->delivery_system == SYS_DVBC_ANNEX_A)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 		/* DVB-T & DVB-C BER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 		ret = regmap_bulk_read(dev->regmap[0], 0x92, buf, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 		utmp1 = buf[0] << 16 | buf[1] << 8 | buf[2] << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 		utmp2 = buf[3] << 8 | buf[4] << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 		utmp2 = utmp2 * 8 * 204;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 		dev_dbg(&client->dev, "post_bit_error=%u post_bit_count=%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 			utmp1, utmp2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 		c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 		c->post_bit_error.stat[0].uvalue += utmp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 		c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 		c->post_bit_count.stat[0].uvalue += utmp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 		c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 		c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	/* PER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	if (*status & FE_HAS_LOCK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 		ret = regmap_bulk_read(dev->regmap[0], 0xdd, buf, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 		utmp1 = buf[0] << 8 | buf[1] << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 		utmp2 = buf[2] << 8 | buf[3] << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 		dev_dbg(&client->dev, "block_error=%u block_count=%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 			utmp1, utmp2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 		c->block_error.stat[0].scale = FE_SCALE_COUNTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 		c->block_error.stat[0].uvalue += utmp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 		c->block_count.stat[0].scale = FE_SCALE_COUNTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 		c->block_count.stat[0].uvalue += utmp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 		c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 		c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 	dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) static int mn88473_init(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 	struct i2c_client *client = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	struct mn88473_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 	int ret, len, remain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	unsigned int uitmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 	const struct firmware *fw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 	const char *name = MN88473_FIRMWARE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 	dev_dbg(&client->dev, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 	/* Check if firmware is already running */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	ret = regmap_read(dev->regmap[0], 0xf5, &uitmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 	if (!(uitmp & 0x01))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 		goto warm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 	/* Request the firmware, this will block and timeout */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 	ret = request_firmware(&fw, name, &client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 		dev_err(&client->dev, "firmware file '%s' not found\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 	dev_info(&client->dev, "downloading firmware from file '%s'\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 	ret = regmap_write(dev->regmap[0], 0xf5, 0x03);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 		goto err_release_firmware;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 	for (remain = fw->size; remain > 0; remain -= (dev->i2c_wr_max - 1)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 		len = min(dev->i2c_wr_max - 1, remain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 		ret = regmap_bulk_write(dev->regmap[0], 0xf6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 					&fw->data[fw->size - remain], len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 			dev_err(&client->dev, "firmware download failed %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 				ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 			goto err_release_firmware;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 	release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) 	/* Parity check of firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 	ret = regmap_read(dev->regmap[0], 0xf8, &uitmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 	if (uitmp & 0x10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 		dev_err(&client->dev, "firmware parity check failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 	ret = regmap_write(dev->regmap[0], 0xf5, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) warm:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 	/* TS config */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 	ret = regmap_write(dev->regmap[2], 0x09, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 	ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 	dev->active = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) 	/* init stats here to indicate which stats are supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) 	c->strength.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 	c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 	c->cnr.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 	c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 	c->post_bit_error.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 	c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 	c->post_bit_count.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 	c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 	c->block_error.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 	c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 	c->block_count.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 	c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) err_release_firmware:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 	release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 	dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) static int mn88473_sleep(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 	struct i2c_client *client = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 	struct mn88473_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 	dev_dbg(&client->dev, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 	dev->active = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 	ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 	dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) static const struct dvb_frontend_ops mn88473_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 	.delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 	.info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 		.name = "Panasonic MN88473",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 		.symbol_rate_min = 1000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 		.symbol_rate_max = 7200000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 		.caps =	FE_CAN_FEC_1_2                 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 			FE_CAN_FEC_2_3                 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 			FE_CAN_FEC_3_4                 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 			FE_CAN_FEC_5_6                 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 			FE_CAN_FEC_7_8                 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 			FE_CAN_FEC_AUTO                |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) 			FE_CAN_QPSK                    |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 			FE_CAN_QAM_16                  |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 			FE_CAN_QAM_32                  |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 			FE_CAN_QAM_64                  |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 			FE_CAN_QAM_128                 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 			FE_CAN_QAM_256                 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 			FE_CAN_QAM_AUTO                |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) 			FE_CAN_TRANSMISSION_MODE_AUTO  |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 			FE_CAN_GUARD_INTERVAL_AUTO     |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 			FE_CAN_HIERARCHY_AUTO          |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 			FE_CAN_MUTE_TS                 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 			FE_CAN_2G_MODULATION           |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) 			FE_CAN_MULTISTREAM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) 	.get_tune_settings = mn88473_get_tune_settings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) 	.init = mn88473_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) 	.sleep = mn88473_sleep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 	.set_frontend = mn88473_set_frontend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 	.read_status = mn88473_read_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) static int mn88473_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) 			 const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 	struct mn88473_config *config = client->dev.platform_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 	struct mn88473_dev *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 	unsigned int uitmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 	static const struct regmap_config regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) 		.reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) 		.val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 	dev_dbg(&client->dev, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) 	/* Caller really need to provide pointer for frontend we create */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 	if (config->fe == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 		dev_err(&client->dev, "frontend pointer not defined\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) 	if (dev == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 		ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) 	if (config->i2c_wr_max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) 		dev->i2c_wr_max = config->i2c_wr_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) 		dev->i2c_wr_max = ~0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) 	if (config->xtal)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) 		dev->clk = config->xtal;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) 		dev->clk = 25000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 	dev->client[0] = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) 	dev->regmap[0] = regmap_init_i2c(dev->client[0], &regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) 	if (IS_ERR(dev->regmap[0])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) 		ret = PTR_ERR(dev->regmap[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) 		goto err_kfree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) 	 * Chip has three I2C addresses for different register banks. Used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) 	 * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) 	 * 0x1a and 0x1c, in order to get own I2C client for each register bank.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) 	 * Also, register bank 2 do not support sequential I/O. Only single
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) 	 * register write or read is allowed to that bank.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) 	dev->client[1] = i2c_new_dummy_device(client->adapter, 0x1a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) 	if (IS_ERR(dev->client[1])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) 		ret = PTR_ERR(dev->client[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) 		dev_err(&client->dev, "I2C registration failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) 		goto err_regmap_0_regmap_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) 	dev->regmap[1] = regmap_init_i2c(dev->client[1], &regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) 	if (IS_ERR(dev->regmap[1])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) 		ret = PTR_ERR(dev->regmap[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) 		goto err_client_1_i2c_unregister_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) 	i2c_set_clientdata(dev->client[1], dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) 	dev->client[2] = i2c_new_dummy_device(client->adapter, 0x1c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) 	if (IS_ERR(dev->client[2])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) 		ret = PTR_ERR(dev->client[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) 		dev_err(&client->dev, "2nd I2C registration failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) 		goto err_regmap_1_regmap_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) 	dev->regmap[2] = regmap_init_i2c(dev->client[2], &regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) 	if (IS_ERR(dev->regmap[2])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) 		ret = PTR_ERR(dev->regmap[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) 		goto err_client_2_i2c_unregister_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) 	i2c_set_clientdata(dev->client[2], dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) 	/* Check demod answers with correct chip id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) 	ret = regmap_read(dev->regmap[2], 0xff, &uitmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) 		goto err_regmap_2_regmap_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) 	dev_dbg(&client->dev, "chip id=%02x\n", uitmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) 	if (uitmp != 0x03) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) 		ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) 		goto err_regmap_2_regmap_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) 	/* Sleep because chip is active by default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) 	ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) 		goto err_regmap_2_regmap_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) 	/* Create dvb frontend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) 	memcpy(&dev->frontend.ops, &mn88473_ops, sizeof(dev->frontend.ops));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) 	dev->frontend.demodulator_priv = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) 	*config->fe = &dev->frontend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) 	i2c_set_clientdata(client, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) 	dev_info(&client->dev, "Panasonic MN88473 successfully identified\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) err_regmap_2_regmap_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) 	regmap_exit(dev->regmap[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) err_client_2_i2c_unregister_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) 	i2c_unregister_device(dev->client[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) err_regmap_1_regmap_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) 	regmap_exit(dev->regmap[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) err_client_1_i2c_unregister_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) 	i2c_unregister_device(dev->client[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) err_regmap_0_regmap_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) 	regmap_exit(dev->regmap[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) err_kfree:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) 	kfree(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) 	dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) static int mn88473_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) 	struct mn88473_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) 	dev_dbg(&client->dev, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) 	regmap_exit(dev->regmap[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) 	i2c_unregister_device(dev->client[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) 	regmap_exit(dev->regmap[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) 	i2c_unregister_device(dev->client[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) 	regmap_exit(dev->regmap[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) 	kfree(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) static const struct i2c_device_id mn88473_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) 	{"mn88473", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) MODULE_DEVICE_TABLE(i2c, mn88473_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) static struct i2c_driver mn88473_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) 		.name		     = "mn88473",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) 		.suppress_bind_attrs = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) 	.probe		= mn88473_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) 	.remove		= mn88473_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) 	.id_table	= mn88473_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) module_i2c_driver(mn88473_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) MODULE_DESCRIPTION("Panasonic MN88473 DVB-T/T2/C demodulator driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) MODULE_FIRMWARE(MN88473_FIRMWARE);