485 lines
14 KiB
C
485 lines
14 KiB
C
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/*****************************************************************************
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Copyright(c) 2014 FCI Inc. All Rights Reserved
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File name : fc8180_tun.c (BGA & QFN)
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Description : source of FC8180 tuner driver
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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History :
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----------------------------------------------------------------------
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V0p1 2014-06-10 Initial Driver
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V0p2 2014-06-26 Block Control ADD
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V0p3 2014-06-27 AGC Control Tunning
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V1p3 2014-07-03
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V1p7 2014-07-14
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V1p9 2014-07-25
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V2p0 2014-08-04
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V2p1 2014-08-12
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S0p3 2014-11-20
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S0p6 2015-01-20
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*******************************************************************************/
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#include "fci_types.h"
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#include "fci_oal.h"
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#include "fci_tun.h"
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#include "fc8180_regs.h"
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#include "fci_hal.h"
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#define DRIVER_VERSION 6
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extern unsigned int bbm_xtal_freq;
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/*static u32 FC8180_FREQ_XTAL = BBM_XTAL_FREQ; */
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static u32 reg_table[57][8] = {
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{473143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{479143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{485143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{491143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{497143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{503143, 0x1c, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{509143, 0x1b, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{515143, 0x1b, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{521143, 0x1a, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{527143, 0x1a, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{533143, 0x19, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{539143, 0x19, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{545143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{551143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{557143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{563143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{569143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{575143, 0x1f, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{581143, 0x1e, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{587143, 0x1e, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{593143, 0x1d, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{599143, 0x1d, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x02},
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{605143, 0x1c, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{611143, 0x1c, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{617143, 0x1b, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{623143, 0x19, 0x50, 0xa0, 0x50, 0xa0, 0x50, 0x01},
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{629143, 0x15, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{635143, 0x15, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{641143, 0x15, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{647143, 0x15, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{653143, 0x15, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{659143, 0x15, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{665143, 0x15, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{671143, 0x10, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{677143, 0x10, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{683143, 0x10, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{689143, 0x10, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{695143, 0x0e, 0x74, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{701143, 0x0e, 0x74, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{707143, 0x0e, 0x74, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{713143, 0x04, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{719143, 0x04, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{725143, 0x04, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{731143, 0x03, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{737143, 0x03, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{743143, 0x03, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{749143, 0x03, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{755143, 0x02, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{761143, 0x02, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{767143, 0x02, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{773143, 0x01, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{779143, 0x01, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{785143, 0x01, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{791143, 0x00, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{797143, 0x00, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{803143, 0x00, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02},
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{809143, 0x00, 0x50, 0x32, 0x14, 0xa0, 0x14, 0x02}
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};
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static s32 fc8180_write(HANDLE handle, u8 addr, u8 data)
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{
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s32 res;
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res = tuner_i2c_write(handle, addr, 1, &data, 1);
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return res;
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}
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static s32 fc8180_read(HANDLE handle, u8 addr, u8 *data)
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{
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s32 res;
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res = tuner_i2c_read(handle, addr, 1, data, 1);
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return res;
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}
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static u32 fc8180_set_filter(HANDLE handle, u32 ref_clock, u32 filter_bw)
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{
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u32 div_cal = 0;
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u8 div = 0;
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div_cal = (378000 / filter_bw) * ref_clock / 10000;
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if ((div_cal % 10) >= 5)
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div = (u8) (div_cal / 10) + 1;
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else
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div = (u8) div_cal / 10;
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return div;
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}
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s32 fc8180_tuner_init(HANDLE handle, enum BAND_TYPE band)
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{
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u32 bw = 900;
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u8 filter_cal = 0;
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fc8180_write(handle, 0x00, 0xff);
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fc8180_write(handle, 0x2a, 0xe9);
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fc8180_write(handle, 0x2f, 0x15);
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fc8180_write(handle, 0x76, 0x88);
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fc8180_write(handle, 0x9b, 0x21);
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fc8180_write(handle, 0x9c, 0x21);
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fc8180_write(handle, 0x68, 0x01);
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fc8180_write(handle, 0x69, 0x83);
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fc8180_write(handle, 0xa5, 0x33);
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fc8180_write(handle, 0xa6, 0x03);
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fc8180_write(handle, 0xa8, 0x01);
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fc8180_write(handle, 0xa9, 0x02);
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fc8180_write(handle, 0xaa, 0x03);
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fc8180_write(handle, 0xab, 0x04);
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fc8180_write(handle, 0xac, 0x0c);
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fc8180_write(handle, 0xad, 0x14);
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fc8180_write(handle, 0xae, 0x34);
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fc8180_write(handle, 0xaf, 0x54);
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fc8180_write(handle, 0xb0, 0x74);
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fc8180_write(handle, 0xb1, 0x94);
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fc8180_write(handle, 0xb2, 0x9c);
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fc8180_write(handle, 0xb3, 0x9c);
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fc8180_write(handle, 0x28, 0x0f);
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fc8180_write(handle, 0x29, 0x1d);
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fc8180_write(handle, 0x2a, 0xf1);
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fc8180_write(handle, 0x2b, 0x10);
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fc8180_write(handle, 0x86, 0x00);
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fc8180_write(handle, 0x8b, 0x00);
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fc8180_write(handle, 0x8d, 0x0f);
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fc8180_write(handle, 0x9a, 0x12);
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fc8180_write(handle, 0xa3, 0x00);
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fc8180_write(handle, 0xca, 0x06);
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/* AGC Block Control */
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if (bbm_xtal_freq <= 16000) {
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fc8180_write(handle, 0x95, 0xa1);
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fc8180_write(handle, 0x96, 0x03);
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} else if (bbm_xtal_freq <= 17500) {
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fc8180_write(handle, 0x95, 0xa1);
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fc8180_write(handle, 0x96, 0x04);
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} else if (bbm_xtal_freq <= 20000) {
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fc8180_write(handle, 0x95, 0xa1);
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fc8180_write(handle, 0x96, 0x05);
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} else if (bbm_xtal_freq <= 25500) {
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fc8180_write(handle, 0x95, 0xa1);
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fc8180_write(handle, 0x96, 0x09);
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} else if (bbm_xtal_freq <= 26500) {
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fc8180_write(handle, 0x95, 0xa1);
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fc8180_write(handle, 0x96, 0x0a);
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} else if (bbm_xtal_freq <= 29000) {
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fc8180_write(handle, 0x95, 0xa1);
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fc8180_write(handle, 0x96, 0x0b);
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} else if (bbm_xtal_freq <= 35000) {
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fc8180_write(handle, 0x95, 0xa2);
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fc8180_write(handle, 0x96, 0x03);
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} else {
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fc8180_write(handle, 0x95, 0xa2);
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fc8180_write(handle, 0x96, 0x05);
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}
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fc8180_write(handle, 0xba, 0x01);
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fc8180_write(handle, 0x1d, 0x45);
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fc8180_write(handle, 0x1e, 0x55);
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fc8180_write(handle, 0x1f, 0x45);
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fc8180_write(handle, 0x20, 0x55);
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fc8180_write(handle, 0x23, 0x0b);
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fc8180_write(handle, 0x31, 0x0f);
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fc8180_write(handle, 0x34, 0x17);
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/* AGC Control */
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fc8180_write(handle, 0x38, 0x78);
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fc8180_write(handle, 0x39, 0x32);
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fc8180_write(handle, 0x3a, 0xf2);
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fc8180_write(handle, 0x3b, 0x64);
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fc8180_write(handle, 0x3c, 0x14);
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fc8180_write(handle, 0x3d, 0xf2);
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fc8180_write(handle, 0x3e, 0x00);
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fc8180_write(handle, 0x3f, 0x00);
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fc8180_write(handle, 0x40, 0x00);
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fc8180_write(handle, 0x41, 0x00);
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fc8180_write(handle, 0x42, 0x11);
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fc8180_write(handle, 0x43, 0x11);
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fc8180_write(handle, 0x44, 0x11);
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fc8180_write(handle, 0x45, 0x11);
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fc8180_write(handle, 0x46, 0xff);
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fc8180_write(handle, 0x47, 0x00);
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fc8180_write(handle, 0x48, 0xa0);
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fc8180_write(handle, 0x49, 0x28);
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fc8180_write(handle, 0x4a, 0xff);
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fc8180_write(handle, 0x4b, 0x00);
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fc8180_write(handle, 0x4c, 0xa0);
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fc8180_write(handle, 0x4d, 0x28);
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fc8180_write(handle, 0x4e, 0xb4);
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fc8180_write(handle, 0x4f, 0x14);
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fc8180_write(handle, 0x50, 0xa0);
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fc8180_write(handle, 0x51, 0x50);
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fc8180_write(handle, 0x52, 0x64);
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fc8180_write(handle, 0x53, 0x14);
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fc8180_write(handle, 0x54, 0x3c);
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fc8180_write(handle, 0x55, 0x28);
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fc8180_write(handle, 0x56, 0xff);
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fc8180_write(handle, 0x57, 0x00);
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fc8180_write(handle, 0x58, 0x50);
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fc8180_write(handle, 0x59, 0x14);
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fc8180_write(handle, 0x5a, 0xff);
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fc8180_write(handle, 0x5b, 0x00);
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fc8180_write(handle, 0x5c, 0x50);
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fc8180_write(handle, 0x5d, 0x14);
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fc8180_write(handle, 0x5e, 0x8c);
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fc8180_write(handle, 0x5f, 0x1e);
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fc8180_write(handle, 0x60, 0x3c);
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fc8180_write(handle, 0x61, 0x14);
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fc8180_write(handle, 0x62, 0x64);
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fc8180_write(handle, 0x63, 0x0f);
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fc8180_write(handle, 0x64, 0x3c);
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fc8180_write(handle, 0x65, 0x14);
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fc8180_write(handle, 0xb5, 0x88);
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fc8180_write(handle, 0xb6, 0xd3);
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fc8180_write(handle, 0xb7, 0xce);
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fc8180_write(handle, 0xb8, 0x08);
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fc8180_write(handle, 0xbb, 0xb5);
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fc8180_write(handle, 0xbc, 0xb0);
|
||
|
|
fc8180_write(handle, 0xbd, 0x00);
|
||
|
|
fc8180_write(handle, 0xc5, 0x2b);
|
||
|
|
fc8180_write(handle, 0xc6, 0x00);
|
||
|
|
fc8180_write(handle, 0xc7, 0x70);
|
||
|
|
fc8180_write(handle, 0xcc, 0x11);
|
||
|
|
fc8180_write(handle, 0xcd, 0x11);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x71, 0x75);
|
||
|
|
fc8180_write(handle, 0x72, 0x04);
|
||
|
|
fc8180_write(handle, 0x7a, 0x6a);
|
||
|
|
fc8180_write(handle, 0x7b, 0x4d);
|
||
|
|
fc8180_write(handle, 0x7c, 0x4e);
|
||
|
|
fc8180_write(handle, 0x7d, 0x3d);
|
||
|
|
fc8180_write(handle, 0x7e, 0x2e);
|
||
|
|
fc8180_write(handle, 0x7f, 0x2d);
|
||
|
|
fc8180_write(handle, 0xf4, 0x21);
|
||
|
|
fc8180_write(handle, 0xf5, 0x71);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0xfc, DRIVER_VERSION);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x02, 0x01);
|
||
|
|
fc8180_write(handle, 0x66, 0x03);
|
||
|
|
|
||
|
|
filter_cal = fc8180_set_filter(handle, bbm_xtal_freq, bw);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x17, filter_cal);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x66, 0x00);
|
||
|
|
|
||
|
|
ms_wait(10);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x3e, 0x1d);
|
||
|
|
fc8180_write(handle, 0x3f, 0x19);
|
||
|
|
fc8180_write(handle, 0x40, 0x1d);
|
||
|
|
fc8180_write(handle, 0x41, 0x19);
|
||
|
|
|
||
|
|
#ifdef BBM_EXT_LNA
|
||
|
|
fc8180_write(handle, 0xbe, 0x53);
|
||
|
|
fc8180_write(handle, 0xc2, 0xb9);
|
||
|
|
fc8180_write(handle, 0xc3, 0xd7);
|
||
|
|
fc8180_write(handle, 0xf3, 0x0f);
|
||
|
|
fc8180_write(handle, 0xf5, 0x7a);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return BBM_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 fc8180_set_freq(HANDLE handle, u32 freq)
|
||
|
|
{
|
||
|
|
u32 f_diff, f_diff_shift;
|
||
|
|
u32 n_val, k_val;
|
||
|
|
u32 f_vco, f_comp;
|
||
|
|
u8 lock_detect[5] = {0, 0, 0, 0, 0};
|
||
|
|
u8 init_bank = 0;
|
||
|
|
u8 div_ratio = 4;
|
||
|
|
u8 k0 = 1;
|
||
|
|
u8 ref_div = 1;
|
||
|
|
u8 i = 0;
|
||
|
|
u8 z = 0;
|
||
|
|
|
||
|
|
for (i = 0; i < 57; i++) {
|
||
|
|
if (((reg_table[i][0] + 3000) > freq) &&
|
||
|
|
((reg_table[i][0] - 3000) <= freq))
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (i == 57)
|
||
|
|
return BBM_NOK;
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x67, reg_table[i][1]);
|
||
|
|
fc8180_write(handle, 0xc7, reg_table[i][2]);
|
||
|
|
fc8180_write(handle, 0x4c, reg_table[i][3]);
|
||
|
|
fc8180_write(handle, 0x4d, reg_table[i][4]);
|
||
|
|
fc8180_write(handle, 0x48, reg_table[i][5]);
|
||
|
|
fc8180_write(handle, 0x49, reg_table[i][6]);
|
||
|
|
|
||
|
|
if (freq < 596000) {
|
||
|
|
fc8180_write(handle, 0x86, 0x00);
|
||
|
|
fc8180_write(handle, 0x8e, 0x08);
|
||
|
|
} else if (freq < 710000) {
|
||
|
|
fc8180_write(handle, 0x86, 0x01);
|
||
|
|
fc8180_write(handle, 0x8e, 0x0e);
|
||
|
|
} else if (freq < 776000) {
|
||
|
|
fc8180_write(handle, 0x86, 0x00);
|
||
|
|
fc8180_write(handle, 0x8e, 0x0e);
|
||
|
|
} else {
|
||
|
|
fc8180_write(handle, 0x86, 0x00);
|
||
|
|
fc8180_write(handle, 0x8e, 0x08);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (freq < 710000)
|
||
|
|
fc8180_write(handle, 0xc5, 0x25);
|
||
|
|
else
|
||
|
|
fc8180_write(handle, 0xc5, 0x2b);
|
||
|
|
|
||
|
|
if (freq >= 694000 && freq <= 710000) {
|
||
|
|
fc8180_write(handle, 0xcf, 0x44);
|
||
|
|
fc8180_write(handle, 0x7c, 0x4e);
|
||
|
|
fc8180_write(handle, 0x7e, 0x4e);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x60, 0x64);
|
||
|
|
fc8180_write(handle, 0x61, 0x32);
|
||
|
|
} else {
|
||
|
|
fc8180_write(handle, 0xcf, 0x54);
|
||
|
|
fc8180_write(handle, 0x7c, 0x4e);
|
||
|
|
fc8180_write(handle, 0x7e, 0x2e);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x60, 0x3c);
|
||
|
|
fc8180_write(handle, 0x61, 0x14);
|
||
|
|
}
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x8b, 0x00);
|
||
|
|
fc8180_write(handle, 0x8c, 0x00);
|
||
|
|
|
||
|
|
f_vco = freq * div_ratio;
|
||
|
|
f_comp = bbm_xtal_freq / ref_div;
|
||
|
|
n_val = (f_vco / f_comp);
|
||
|
|
f_diff = f_vco - (f_comp * n_val);
|
||
|
|
f_diff_shift = f_diff << 16;
|
||
|
|
k_val = (f_diff_shift / (f_comp >> 4)) | k0;
|
||
|
|
|
||
|
|
init_bank = (u8) ((34 * (((f_vco / 1000) - 3500) * ((f_vco / 1000) -
|
||
|
|
3500))) / 1000000) + 7;
|
||
|
|
|
||
|
|
if (init_bank > 255)
|
||
|
|
fc8180_write(handle, 0x37, 0xff);
|
||
|
|
else
|
||
|
|
fc8180_write(handle, 0x37, init_bank);
|
||
|
|
|
||
|
|
if (freq <= 564000)
|
||
|
|
fc8180_write(handle, 0x90, 0x0f);
|
||
|
|
else if (freq <= 660000)
|
||
|
|
fc8180_write(handle, 0x90, 0x0d);
|
||
|
|
else if (freq <= 690000)
|
||
|
|
fc8180_write(handle, 0x90, 0x0b);
|
||
|
|
else
|
||
|
|
fc8180_write(handle, 0x90, 0x09);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x84, ref_div - 1);
|
||
|
|
fc8180_write(handle, 0x87, (u8) ((k_val >> 16) & 0xff));
|
||
|
|
fc8180_write(handle, 0x88, (u8) ((k_val >> 8) & 0xff));
|
||
|
|
fc8180_write(handle, 0x89, (u8) (k_val & 0xff));
|
||
|
|
fc8180_write(handle, 0x8a, (u8) n_val);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x03, 0x04);
|
||
|
|
fc8180_write(handle, 0x03, 0x00);
|
||
|
|
|
||
|
|
fc8180_write(handle, 0x76, 0x44);
|
||
|
|
fc8180_write(handle, 0xa3, 0x01);
|
||
|
|
|
||
|
|
for (i = 0; i < 10; i++) {
|
||
|
|
fc8180_read(handle, 0xd2, &lock_detect[0]);
|
||
|
|
fc8180_read(handle, 0xd2, &lock_detect[1]);
|
||
|
|
fc8180_read(handle, 0xd2, &lock_detect[2]);
|
||
|
|
fc8180_read(handle, 0xd2, &lock_detect[3]);
|
||
|
|
fc8180_read(handle, 0xd2, &lock_detect[4]);
|
||
|
|
|
||
|
|
for (z = 0; z < 5; z++)
|
||
|
|
lock_detect[0] &= lock_detect[z];
|
||
|
|
|
||
|
|
if ((lock_detect[0] & 0x01) != 0x01) {
|
||
|
|
if (freq <= 564000)
|
||
|
|
fc8180_write(handle, 0x90, 0x0f + (i * 2));
|
||
|
|
else if (freq <= 660000)
|
||
|
|
fc8180_write(handle, 0x90, 0x0d + (i * 2));
|
||
|
|
else if (freq <= 690000)
|
||
|
|
fc8180_write(handle, 0x90, 0x0b + (i * 2));
|
||
|
|
else
|
||
|
|
fc8180_write(handle, 0x90, 0x09 + (i * 2));
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (bbm_xtal_freq == 19200) {
|
||
|
|
fc8180_write(handle, 0x8b, reg_table[i][7]);
|
||
|
|
fc8180_write(handle, 0x8c, 0x7f);
|
||
|
|
} else if (bbm_xtal_freq == 32000) {
|
||
|
|
fc8180_write(handle, 0x8b, 0x01);
|
||
|
|
fc8180_write(handle, 0x8c, 0x7c);
|
||
|
|
}
|
||
|
|
|
||
|
|
return BBM_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
u32 fc8180_get_rssi(HANDLE handle, s32 *rssi)
|
||
|
|
{
|
||
|
|
s8 tmp = 0;
|
||
|
|
u8 adj = 0;
|
||
|
|
|
||
|
|
fc8180_read(handle, 0xf0, &adj);
|
||
|
|
fc8180_read(handle, 0xf8, &tmp);
|
||
|
|
*rssi = tmp;
|
||
|
|
|
||
|
|
if (adj > 5) {
|
||
|
|
if (tmp < 0)
|
||
|
|
*rssi -= 3;
|
||
|
|
} else {
|
||
|
|
if (tmp < 0)
|
||
|
|
*rssi += 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return BBM_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 fc8180_tuner_deinit(HANDLE handle)
|
||
|
|
{
|
||
|
|
return BBM_OK;
|
||
|
|
}
|
||
|
|
|