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										 |  |  | /*
 | 
					
						
							|  |  |  |  *  Driver for Quantek QT1010 silicon tuner | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *  Copyright (C) 2006 Antti Palosaari <crope@iki.fi> | 
					
						
							|  |  |  |  *                     Aapo Tahkola <aet@rasterburn.org> | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *  This program is free software; you can redistribute it and/or modify | 
					
						
							|  |  |  |  *  it under the terms of the GNU General Public License as published by | 
					
						
							|  |  |  |  *  the Free Software Foundation; either version 2 of the License, or | 
					
						
							|  |  |  |  *  (at your option) any later version. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *  This program is distributed in the hope that it will be useful, | 
					
						
							|  |  |  |  *  but WITHOUT ANY WARRANTY; without even the implied warranty of | 
					
						
							|  |  |  |  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
					
						
							|  |  |  |  *  GNU General Public License for more details. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *  You should have received a copy of the GNU General Public License | 
					
						
							|  |  |  |  *  along with this program; if not, write to the Free Software | 
					
						
							|  |  |  |  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #include "qt1010.h"
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							|  |  |  | #include "qt1010_priv.h"
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | /* read single register */ | 
					
						
							|  |  |  | static int qt1010_readreg(struct qt1010_priv *priv, u8 reg, u8 *val) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	struct i2c_msg msg[2] = { | 
					
						
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										 |  |  | 		{ .addr = priv->cfg->i2c_address, | 
					
						
							|  |  |  | 		  .flags = 0, .buf = ®, .len = 1 }, | 
					
						
							|  |  |  | 		{ .addr = priv->cfg->i2c_address, | 
					
						
							|  |  |  | 		  .flags = I2C_M_RD, .buf = val, .len = 1 }, | 
					
						
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										 |  |  | 	}; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	if (i2c_transfer(priv->i2c, msg, 2) != 2) { | 
					
						
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										 |  |  | 		dev_warn(&priv->i2c->dev, "%s: i2c rd failed reg=%02x\n", | 
					
						
							|  |  |  | 				KBUILD_MODNAME, reg); | 
					
						
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										 |  |  | 		return -EREMOTEIO; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | /* write single register */ | 
					
						
							|  |  |  | static int qt1010_writereg(struct qt1010_priv *priv, u8 reg, u8 val) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	u8 buf[2] = { reg, val }; | 
					
						
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										 |  |  | 	struct i2c_msg msg = { .addr = priv->cfg->i2c_address, | 
					
						
							|  |  |  | 			       .flags = 0, .buf = buf, .len = 2 }; | 
					
						
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										 |  |  | 
 | 
					
						
							|  |  |  | 	if (i2c_transfer(priv->i2c, &msg, 1) != 1) { | 
					
						
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										 |  |  | 		dev_warn(&priv->i2c->dev, "%s: i2c wr failed reg=%02x\n", | 
					
						
							|  |  |  | 				KBUILD_MODNAME, reg); | 
					
						
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										 |  |  | 		return -EREMOTEIO; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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										 |  |  | static int qt1010_set_params(struct dvb_frontend *fe) | 
					
						
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										 |  |  | { | 
					
						
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										 |  |  | 	struct dtv_frontend_properties *c = &fe->dtv_property_cache; | 
					
						
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										 |  |  | 	struct qt1010_priv *priv; | 
					
						
							|  |  |  | 	int err; | 
					
						
							|  |  |  | 	u32 freq, div, mod1, mod2; | 
					
						
							|  |  |  | 	u8 i, tmpval, reg05; | 
					
						
							|  |  |  | 	qt1010_i2c_oper_t rd[48] = { | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x01, 0x80 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x02, 0x3f }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x05, 0xff }, /* 02 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x06, 0x44 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x07, 0xff }, /* 04 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x08, 0x08 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x09, 0xff }, /* 06 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x0a, 0xff }, /* 07 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x0b, 0xff }, /* 08 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x0c, 0xe1 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1a, 0xff }, /* 10 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1b, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1c, 0x89 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x11, 0xff }, /* 13 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x12, 0xff }, /* 14 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x22, 0xff }, /* 15 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0xd0 }, | 
					
						
							|  |  |  | 		{ QT1010_RD, 0x22, 0xff }, /* 16 c read */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_RD, 0x05, 0xff }, /* 20 c read */ | 
					
						
							|  |  |  | 		{ QT1010_RD, 0x22, 0xff }, /* 21 c read */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x23, 0xd0 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0xe0 }, | 
					
						
							|  |  |  | 		{ QT1010_RD, 0x23, 0xff }, /* 25 c read */ | 
					
						
							|  |  |  | 		{ QT1010_RD, 0x23, 0xff }, /* 26 c read */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x24, 0xd0 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0xf0 }, | 
					
						
							|  |  |  | 		{ QT1010_RD, 0x24, 0xff }, /* 31 c read */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x14, 0x7f }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x15, 0x7f }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x05, 0xff }, /* 35 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x06, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x15, 0x1f }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x16, 0xff }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x18, 0xff }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1f, 0xff }, /* 40 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x20, 0xff }, /* 41 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x21, 0x53 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x25, 0xff }, /* 43 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x26, 0x15 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x00, 0xff }, /* 45 c write */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x02, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x01, 0x00 } | 
					
						
							|  |  |  | 	}; | 
					
						
							|  |  |  | 
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							|  |  |  | #define FREQ1 32000000 /* 32 MHz */
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							|  |  |  | #define FREQ2  4000000 /* 4 MHz Quartz oscillator in the stick? */
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							|  |  |  | 
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							|  |  |  | 	priv = fe->tuner_priv; | 
					
						
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										 |  |  | 	freq = c->frequency; | 
					
						
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										 |  |  | 	div = (freq + QT1010_OFFSET) / QT1010_STEP; | 
					
						
							|  |  |  | 	freq = (div * QT1010_STEP) - QT1010_OFFSET; | 
					
						
							|  |  |  | 	mod1 = (freq + QT1010_OFFSET) % FREQ1; | 
					
						
							|  |  |  | 	mod2 = (freq + QT1010_OFFSET) % FREQ2; | 
					
						
							|  |  |  | 	priv->frequency = freq; | 
					
						
							|  |  |  | 
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										 |  |  | 	if (fe->ops.i2c_gate_ctrl) | 
					
						
							|  |  |  | 		fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ | 
					
						
							|  |  |  | 
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										 |  |  | 	/* reg 05 base value */ | 
					
						
							|  |  |  | 	if      (freq < 290000000) reg05 = 0x14; /* 290 MHz */ | 
					
						
							|  |  |  | 	else if (freq < 610000000) reg05 = 0x34; /* 610 MHz */ | 
					
						
							|  |  |  | 	else if (freq < 802000000) reg05 = 0x54; /* 802 MHz */ | 
					
						
							|  |  |  | 	else                       reg05 = 0x74; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 0x5 */ | 
					
						
							|  |  |  | 	rd[2].val = reg05; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 07 - set frequency: 32 MHz scale */ | 
					
						
							|  |  |  | 	rd[4].val = (freq + QT1010_OFFSET) / FREQ1; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 09 - changes every 8/24 MHz */ | 
					
						
							|  |  |  | 	if (mod1 < 8000000) rd[6].val = 0x1d; | 
					
						
							|  |  |  | 	else                rd[6].val = 0x1c; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 0a - set frequency: 4 MHz scale (max 28 MHz) */ | 
					
						
							|  |  |  | 	if      (mod1 < 1*FREQ2) rd[7].val = 0x09; /*  +0 MHz */ | 
					
						
							|  |  |  | 	else if (mod1 < 2*FREQ2) rd[7].val = 0x08; /*  +4 MHz */ | 
					
						
							|  |  |  | 	else if (mod1 < 3*FREQ2) rd[7].val = 0x0f; /*  +8 MHz */ | 
					
						
							|  |  |  | 	else if (mod1 < 4*FREQ2) rd[7].val = 0x0e; /* +12 MHz */ | 
					
						
							|  |  |  | 	else if (mod1 < 5*FREQ2) rd[7].val = 0x0d; /* +16 MHz */ | 
					
						
							|  |  |  | 	else if (mod1 < 6*FREQ2) rd[7].val = 0x0c; /* +20 MHz */ | 
					
						
							|  |  |  | 	else if (mod1 < 7*FREQ2) rd[7].val = 0x0b; /* +24 MHz */ | 
					
						
							|  |  |  | 	else                     rd[7].val = 0x0a; /* +28 MHz */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 0b - changes every 2/2 MHz */ | 
					
						
							|  |  |  | 	if (mod2 < 2000000) rd[8].val = 0x45; | 
					
						
							|  |  |  | 	else                rd[8].val = 0x44; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 1a - set frequency: 125 kHz scale (max 3875 kHz)*/ | 
					
						
							|  |  |  | 	tmpval = 0x78; /* byte, overflows intentionally */ | 
					
						
							|  |  |  | 	rd[10].val = tmpval-((mod2/QT1010_STEP)*0x08); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 11 */ | 
					
						
							|  |  |  | 	rd[13].val = 0xfd; /* TODO: correct value calculation */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 12 */ | 
					
						
							|  |  |  | 	rd[14].val = 0x91; /* TODO: correct value calculation */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 22 */ | 
					
						
							|  |  |  | 	if      (freq < 450000000) rd[15].val = 0xd0; /* 450 MHz */ | 
					
						
							|  |  |  | 	else if (freq < 482000000) rd[15].val = 0xd1; /* 482 MHz */ | 
					
						
							|  |  |  | 	else if (freq < 514000000) rd[15].val = 0xd4; /* 514 MHz */ | 
					
						
							|  |  |  | 	else if (freq < 546000000) rd[15].val = 0xd7; /* 546 MHz */ | 
					
						
							|  |  |  | 	else if (freq < 610000000) rd[15].val = 0xda; /* 610 MHz */ | 
					
						
							|  |  |  | 	else                       rd[15].val = 0xd0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 05 */ | 
					
						
							|  |  |  | 	rd[35].val = (reg05 & 0xf0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 1f */ | 
					
						
							|  |  |  | 	if      (mod1 <  8000000) tmpval = 0x00; | 
					
						
							|  |  |  | 	else if (mod1 < 12000000) tmpval = 0x01; | 
					
						
							|  |  |  | 	else if (mod1 < 16000000) tmpval = 0x02; | 
					
						
							|  |  |  | 	else if (mod1 < 24000000) tmpval = 0x03; | 
					
						
							|  |  |  | 	else if (mod1 < 28000000) tmpval = 0x04; | 
					
						
							|  |  |  | 	else                      tmpval = 0x05; | 
					
						
							|  |  |  | 	rd[40].val = (priv->reg1f_init_val + 0x0e + tmpval); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 20 */ | 
					
						
							|  |  |  | 	if      (mod1 <  8000000) tmpval = 0x00; | 
					
						
							|  |  |  | 	else if (mod1 < 12000000) tmpval = 0x01; | 
					
						
							|  |  |  | 	else if (mod1 < 20000000) tmpval = 0x02; | 
					
						
							|  |  |  | 	else if (mod1 < 24000000) tmpval = 0x03; | 
					
						
							|  |  |  | 	else if (mod1 < 28000000) tmpval = 0x04; | 
					
						
							|  |  |  | 	else                      tmpval = 0x05; | 
					
						
							|  |  |  | 	rd[41].val = (priv->reg20_init_val + 0x0d + tmpval); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 25 */ | 
					
						
							|  |  |  | 	rd[43].val = priv->reg25_init_val; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* 00 */ | 
					
						
							|  |  |  | 	rd[45].val = 0x92; /* TODO: correct value calculation */ | 
					
						
							|  |  |  | 
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										 |  |  | 	dev_dbg(&priv->i2c->dev, | 
					
						
							|  |  |  | 			"%s: freq:%u 05:%02x 07:%02x 09:%02x 0a:%02x 0b:%02x " \ | 
					
						
							|  |  |  | 			"1a:%02x 11:%02x 12:%02x 22:%02x 05:%02x 1f:%02x " \ | 
					
						
							|  |  |  | 			"20:%02x 25:%02x 00:%02x\n", __func__, \ | 
					
						
							|  |  |  | 			freq, rd[2].val, rd[4].val, rd[6].val, rd[7].val, \ | 
					
						
							|  |  |  | 			rd[8].val, rd[10].val, rd[13].val, rd[14].val, \ | 
					
						
							|  |  |  | 			rd[15].val, rd[35].val, rd[40].val, rd[41].val, \ | 
					
						
							|  |  |  | 			rd[43].val, rd[45].val); | 
					
						
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										 |  |  | 
 | 
					
						
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										 |  |  | 	for (i = 0; i < ARRAY_SIZE(rd); i++) { | 
					
						
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										 |  |  | 		if (rd[i].oper == QT1010_WR) { | 
					
						
							|  |  |  | 			err = qt1010_writereg(priv, rd[i].reg, rd[i].val); | 
					
						
							|  |  |  | 		} else { /* read is required to proper locking */ | 
					
						
							|  |  |  | 			err = qt1010_readreg(priv, rd[i].reg, &tmpval); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		if (err) return err; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
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										 |  |  | 	if (fe->ops.i2c_gate_ctrl) | 
					
						
							|  |  |  | 		fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */ | 
					
						
							|  |  |  | 
 | 
					
						
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										 |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
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										 |  |  | static int qt1010_init_meas1(struct qt1010_priv *priv, | 
					
						
							|  |  |  | 			     u8 oper, u8 reg, u8 reg_init_val, u8 *retval) | 
					
						
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										 |  |  | { | 
					
						
							|  |  |  | 	u8 i, val1, val2; | 
					
						
							|  |  |  | 	int err; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	qt1010_i2c_oper_t i2c_data[] = { | 
					
						
							|  |  |  | 		{ QT1010_WR, reg, reg_init_val }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, oper }, | 
					
						
							|  |  |  | 		{ QT1010_RD, reg, 0xff } | 
					
						
							|  |  |  | 	}; | 
					
						
							|  |  |  | 
 | 
					
						
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										 |  |  | 	for (i = 0; i < ARRAY_SIZE(i2c_data); i++) { | 
					
						
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										 |  |  | 		if (i2c_data[i].oper == QT1010_WR) { | 
					
						
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										 |  |  | 			err = qt1010_writereg(priv, i2c_data[i].reg, | 
					
						
							|  |  |  | 					      i2c_data[i].val); | 
					
						
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										 |  |  | 		} else { | 
					
						
							|  |  |  | 			err = qt1010_readreg(priv, i2c_data[i].reg, &val2); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		if (err) return err; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	do { | 
					
						
							|  |  |  | 		val1 = val2; | 
					
						
							|  |  |  | 		err = qt1010_readreg(priv, reg, &val2); | 
					
						
							|  |  |  | 		if (err) return err; | 
					
						
							| 
									
										
										
										
											2012-08-21 10:18:58 -03:00
										 |  |  | 		dev_dbg(&priv->i2c->dev, "%s: compare reg:%02x %02x %02x\n", | 
					
						
							|  |  |  | 				__func__, reg, val1, val2); | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 	} while (val1 != val2); | 
					
						
							|  |  |  | 	*retval = val1; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	return qt1010_writereg(priv, 0x1e, 0x00); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-08-10 05:25:03 -03:00
										 |  |  | static int qt1010_init_meas2(struct qt1010_priv *priv, | 
					
						
							| 
									
										
										
										
											2007-02-13 18:26:26 -03:00
										 |  |  | 			    u8 reg_init_val, u8 *retval) | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | { | 
					
						
							|  |  |  | 	u8 i, val; | 
					
						
							|  |  |  | 	int err; | 
					
						
							|  |  |  | 	qt1010_i2c_oper_t i2c_data[] = { | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x07, reg_init_val }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x22, 0xd0 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0xd0 }, | 
					
						
							|  |  |  | 		{ QT1010_RD, 0x22, 0xff }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x1e, 0x00 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x22, 0xff } | 
					
						
							|  |  |  | 	}; | 
					
						
							| 
									
										
										
										
											2007-02-13 17:53:46 -03:00
										 |  |  | 	for (i = 0; i < ARRAY_SIZE(i2c_data); i++) { | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 		if (i2c_data[i].oper == QT1010_WR) { | 
					
						
							| 
									
										
										
										
											2007-02-13 18:26:26 -03:00
										 |  |  | 			err = qt1010_writereg(priv, i2c_data[i].reg, | 
					
						
							|  |  |  | 					      i2c_data[i].val); | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 		} else { | 
					
						
							|  |  |  | 			err = qt1010_readreg(priv, i2c_data[i].reg, &val); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		if (err) return err; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 	*retval = val; | 
					
						
							|  |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | static int qt1010_init(struct dvb_frontend *fe) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	struct qt1010_priv *priv = fe->tuner_priv; | 
					
						
							| 
									
										
										
										
											2011-12-21 07:39:33 -03:00
										 |  |  | 	struct dtv_frontend_properties *c = &fe->dtv_property_cache; | 
					
						
							| 
									
										
										
										
											2007-02-13 16:46:13 -03:00
										 |  |  | 	int err = 0; | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 	u8 i, tmpval, *valptr = NULL; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	qt1010_i2c_oper_t i2c_data[] = { | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x01, 0x80 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x0d, 0x84 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x0e, 0xb7 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x2a, 0x23 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x2c, 0xdc }, | 
					
						
							|  |  |  | 		{ QT1010_M1, 0x25, 0x40 }, /* get reg 25 init value */ | 
					
						
							|  |  |  | 		{ QT1010_M1, 0x81, 0xff }, /* get reg 25 init value */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x2b, 0x70 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x2a, 0x23 }, | 
					
						
							|  |  |  | 		{ QT1010_M1, 0x26, 0x08 }, | 
					
						
							|  |  |  | 		{ QT1010_M1, 0x82, 0xff }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x05, 0x14 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x06, 0x44 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x07, 0x28 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x08, 0x0b }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x11, 0xfd }, | 
					
						
							|  |  |  | 		{ QT1010_M1, 0x22, 0x0d }, | 
					
						
							|  |  |  | 		{ QT1010_M1, 0xd0, 0xff }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x06, 0x40 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x16, 0xf0 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x02, 0x38 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x03, 0x18 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x20, 0xe0 }, | 
					
						
							|  |  |  | 		{ QT1010_M1, 0x1f, 0x20 }, /* get reg 1f init value */ | 
					
						
							|  |  |  | 		{ QT1010_M1, 0x84, 0xff }, /* get reg 1f init value */ | 
					
						
							|  |  |  | 		{ QT1010_RD, 0x20, 0x20 }, /* get reg 20 init value */ | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x03, 0x19 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x02, 0x3f }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x21, 0x53 }, | 
					
						
							|  |  |  | 		{ QT1010_RD, 0x21, 0xff }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x11, 0xfd }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x05, 0x34 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x06, 0x44 }, | 
					
						
							|  |  |  | 		{ QT1010_WR, 0x08, 0x08 } | 
					
						
							|  |  |  | 	}; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-01-27 16:41:35 -03:00
										 |  |  | 	if (fe->ops.i2c_gate_ctrl) | 
					
						
							|  |  |  | 		fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-02-13 17:53:46 -03:00
										 |  |  | 	for (i = 0; i < ARRAY_SIZE(i2c_data); i++) { | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 		switch (i2c_data[i].oper) { | 
					
						
							|  |  |  | 		case QT1010_WR: | 
					
						
							| 
									
										
										
										
											2007-02-13 18:26:26 -03:00
										 |  |  | 			err = qt1010_writereg(priv, i2c_data[i].reg, | 
					
						
							|  |  |  | 					      i2c_data[i].val); | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 			break; | 
					
						
							|  |  |  | 		case QT1010_RD: | 
					
						
							| 
									
										
										
										
											2007-02-13 18:26:26 -03:00
										 |  |  | 			if (i2c_data[i].val == 0x20) | 
					
						
							|  |  |  | 				valptr = &priv->reg20_init_val; | 
					
						
							|  |  |  | 			else | 
					
						
							|  |  |  | 				valptr = &tmpval; | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 			err = qt1010_readreg(priv, i2c_data[i].reg, valptr); | 
					
						
							|  |  |  | 			break; | 
					
						
							|  |  |  | 		case QT1010_M1: | 
					
						
							| 
									
										
										
										
											2007-02-13 18:26:26 -03:00
										 |  |  | 			if (i2c_data[i].val == 0x25) | 
					
						
							|  |  |  | 				valptr = &priv->reg25_init_val; | 
					
						
							|  |  |  | 			else if (i2c_data[i].val == 0x1f) | 
					
						
							|  |  |  | 				valptr = &priv->reg1f_init_val; | 
					
						
							|  |  |  | 			else | 
					
						
							|  |  |  | 				valptr = &tmpval; | 
					
						
							|  |  |  | 			err = qt1010_init_meas1(priv, i2c_data[i+1].reg, | 
					
						
							|  |  |  | 						i2c_data[i].reg, | 
					
						
							|  |  |  | 						i2c_data[i].val, valptr); | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 			i++; | 
					
						
							|  |  |  | 			break; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		if (err) return err; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	for (i = 0x31; i < 0x3a; i++) /* 0x31 - 0x39 */ | 
					
						
							|  |  |  | 		if ((err = qt1010_init_meas2(priv, i, &tmpval))) | 
					
						
							|  |  |  | 			return err; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-08-21 09:08:20 -03:00
										 |  |  | 	if (!c->frequency) | 
					
						
							|  |  |  | 		c->frequency = 545000000; /* Sigmatek DVB-110 545000000 */ | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 				      /* MSI Megasky 580 GL861 533000000 */ | 
					
						
							| 
									
										
										
										
											2011-12-24 12:24:33 -03:00
										 |  |  | 	return qt1010_set_params(fe); | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | static int qt1010_release(struct dvb_frontend *fe) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	kfree(fe->tuner_priv); | 
					
						
							|  |  |  | 	fe->tuner_priv = NULL; | 
					
						
							|  |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | static int qt1010_get_frequency(struct dvb_frontend *fe, u32 *frequency) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	struct qt1010_priv *priv = fe->tuner_priv; | 
					
						
							|  |  |  | 	*frequency = priv->frequency; | 
					
						
							|  |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-11-13 01:07:42 -03:00
										 |  |  | static int qt1010_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	*frequency = 36125000; | 
					
						
							|  |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | static const struct dvb_tuner_ops qt1010_tuner_ops = { | 
					
						
							|  |  |  | 	.info = { | 
					
						
							|  |  |  | 		.name           = "Quantek QT1010", | 
					
						
							|  |  |  | 		.frequency_min  = QT1010_MIN_FREQ, | 
					
						
							|  |  |  | 		.frequency_max  = QT1010_MAX_FREQ, | 
					
						
							|  |  |  | 		.frequency_step = QT1010_STEP, | 
					
						
							|  |  |  | 	}, | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	.release       = qt1010_release, | 
					
						
							|  |  |  | 	.init          = qt1010_init, | 
					
						
							|  |  |  | 	/* TODO: implement sleep */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	.set_params    = qt1010_set_params, | 
					
						
							|  |  |  | 	.get_frequency = qt1010_get_frequency, | 
					
						
							| 
									
										
										
										
											2011-11-13 01:07:42 -03:00
										 |  |  | 	.get_if_frequency = qt1010_get_if_frequency, | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe, | 
					
						
							|  |  |  | 				    struct i2c_adapter *i2c, | 
					
						
							|  |  |  | 				    struct qt1010_config *cfg) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	struct qt1010_priv *priv = NULL; | 
					
						
							|  |  |  | 	u8 id; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	priv = kzalloc(sizeof(struct qt1010_priv), GFP_KERNEL); | 
					
						
							|  |  |  | 	if (priv == NULL) | 
					
						
							|  |  |  | 		return NULL; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-02-13 18:26:26 -03:00
										 |  |  | 	priv->cfg = cfg; | 
					
						
							|  |  |  | 	priv->i2c = i2c; | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-01-27 16:41:35 -03:00
										 |  |  | 	if (fe->ops.i2c_gate_ctrl) | 
					
						
							|  |  |  | 		fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	/* Try to detect tuner chip. Probably this is not correct register. */ | 
					
						
							|  |  |  | 	if (qt1010_readreg(priv, 0x29, &id) != 0 || (id != 0x39)) { | 
					
						
							|  |  |  | 		kfree(priv); | 
					
						
							|  |  |  | 		return NULL; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-01-27 16:41:35 -03:00
										 |  |  | 	if (fe->ops.i2c_gate_ctrl) | 
					
						
							|  |  |  | 		fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */ | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-08-21 10:18:58 -03:00
										 |  |  | 	dev_info(&priv->i2c->dev, | 
					
						
							|  |  |  | 			"%s: Quantek QT1010 successfully identified\n", | 
					
						
							|  |  |  | 			KBUILD_MODNAME); | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-02-13 18:26:26 -03:00
										 |  |  | 	memcpy(&fe->ops.tuner_ops, &qt1010_tuner_ops, | 
					
						
							|  |  |  | 	       sizeof(struct dvb_tuner_ops)); | 
					
						
							| 
									
										
										
										
											2007-01-21 15:56:10 -03:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	fe->tuner_priv = priv; | 
					
						
							|  |  |  | 	return fe; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | EXPORT_SYMBOL(qt1010_attach); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | MODULE_DESCRIPTION("Quantek QT1010 silicon tuner driver"); | 
					
						
							|  |  |  | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); | 
					
						
							|  |  |  | MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>"); | 
					
						
							|  |  |  | MODULE_VERSION("0.1"); | 
					
						
							|  |  |  | MODULE_LICENSE("GPL"); |