Em Mon, 03 Nov 2014 22:51:31 +0800 Nibble Max <nibble.max@xxxxxxxxx> escreveu: > Hello Mauro, > > On 2014-11-03 22:43:18, Mauro Carvalho Chehab wrote: > >Em Thu, 30 Oct 2014 16:01:51 +0800 > >"Nibble Max" <nibble.max@xxxxxxxxx> escreveu: > > > >> v3: > >> -config demod mclk in "set_params" call back. > >> -remove "set_config". > > > >Where's patch 1/3 v3? > > patch 1/3 is the smipcie bridge driver. > https://patchwork.linuxtv.org/patch/26436/ > It has no review feed back, so it has no v3 version. Ok, re-tagging it as new. Next time, it is better to submit the entire series again (you may add a note that the patch didn't change), as it makes easier to discover what's happening. Thanks, Mauro > > > > >Regards, > >Mauro > > > BR, > Max > >> > >> v2: > >> -make demod mclk selection logic simple. > >> -merge demod mclk and ts mclk into one call back. > >> -make code clean. > >> > >> M88RS6000 is the integrated chip, which includes tuner and demod. > >> Here splite its tuner as a standalone driver. > >> .set_config is used to config its demod clock, which sits inside tuner die. > >> > >> Signed-off-by: Nibble Max <nibble.max@xxxxxxxxx> > >> --- > >> drivers/media/tuners/Kconfig | 8 + > >> drivers/media/tuners/Makefile | 1 + > >> drivers/media/tuners/m88rs6000t.c | 744 ++++++++++++++++++++++++++++++++++++++ > >> drivers/media/tuners/m88rs6000t.h | 29 ++ > >> 4 files changed, 782 insertions(+) > >> > >> diff --git a/drivers/media/tuners/Kconfig b/drivers/media/tuners/Kconfig > >> index f039dc2..42e5a01 100644 > >> --- a/drivers/media/tuners/Kconfig > >> +++ b/drivers/media/tuners/Kconfig > >> @@ -232,6 +232,14 @@ config MEDIA_TUNER_M88TS2022 > >> help > >> Montage M88TS2022 silicon tuner driver. > >> > >> +config MEDIA_TUNER_M88RS6000T > >> + tristate "Montage M88RS6000 internal tuner" > >> + depends on MEDIA_SUPPORT && I2C > >> + select REGMAP_I2C > >> + default m if !MEDIA_SUBDRV_AUTOSELECT > >> + help > >> + Montage M88RS6000 internal tuner. > >> + > >> config MEDIA_TUNER_TUA9001 > >> tristate "Infineon TUA 9001 silicon tuner" > >> depends on MEDIA_SUPPORT && I2C > >> diff --git a/drivers/media/tuners/Makefile b/drivers/media/tuners/Makefile > >> index 49fcf80..da4fe6e 100644 > >> --- a/drivers/media/tuners/Makefile > >> +++ b/drivers/media/tuners/Makefile > >> @@ -41,6 +41,7 @@ obj-$(CONFIG_MEDIA_TUNER_IT913X) += it913x.o > >> obj-$(CONFIG_MEDIA_TUNER_R820T) += r820t.o > >> obj-$(CONFIG_MEDIA_TUNER_MXL301RF) += mxl301rf.o > >> obj-$(CONFIG_MEDIA_TUNER_QM1D1C0042) += qm1d1c0042.o > >> +obj-$(CONFIG_MEDIA_TUNER_M88RS6000T) += m88rs6000t.o > >> > >> ccflags-y += -I$(srctree)/drivers/media/dvb-core > >> ccflags-y += -I$(srctree)/drivers/media/dvb-frontends > >> diff --git a/drivers/media/tuners/m88rs6000t.c b/drivers/media/tuners/m88rs6000t.c > >> new file mode 100644 > >> index 0000000..d4c13fe > >> --- /dev/null > >> +++ b/drivers/media/tuners/m88rs6000t.c > >> @@ -0,0 +1,744 @@ > >> +/* > >> + * Driver for the internal tuner of Montage M88RS6000 > >> + * > >> + * Copyright (C) 2014 Max nibble <nibble.max@xxxxxxxxx> > >> + * > >> + * 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. > >> + */ > >> + > >> +#include "m88rs6000t.h" > >> +#include <linux/regmap.h> > >> + > >> +struct m88rs6000t_dev { > >> + struct m88rs6000t_config cfg; > >> + struct i2c_client *client; > >> + struct regmap *regmap; > >> + u32 frequency_khz; > >> +}; > >> + > >> +struct m88rs6000t_reg_val { > >> + u8 reg; > >> + u8 val; > >> +}; > >> + > >> +/* set demod main mclk and ts mclk */ > >> +static int m88rs6000t_set_demod_mclk(struct dvb_frontend *fe) > >> +{ > >> + struct m88rs6000t_dev *dev = fe->tuner_priv; > >> + struct dtv_frontend_properties *c = &fe->dtv_property_cache; > >> + u8 reg11, reg15, reg16, reg1D, reg1E, reg1F; > >> + u8 N, f0 = 0, f1 = 0, f2 = 0, f3 = 0; > >> + u16 pll_div_fb; > >> + u32 div, ts_mclk; > >> + unsigned int utmp; > >> + int ret; > >> + > >> + /* select demod main mclk */ > >> + ret = regmap_read(dev->regmap, 0x15, &utmp); > >> + if (ret) > >> + goto err; > >> + reg15 = utmp; > >> + if (c->symbol_rate > 45010000) { > >> + reg11 = 0x0E; > >> + reg15 |= 0x02; > >> + reg16 = 115; /* mclk = 110.25MHz */ > >> + } else { > >> + reg11 = 0x0A; > >> + reg15 &= ~0x02; > >> + reg16 = 96; /* mclk = 96MHz */ > >> + } > >> + > >> + /* set ts mclk */ > >> + if (c->delivery_system == SYS_DVBS) > >> + ts_mclk = 96000; > >> + else > >> + ts_mclk = 144000; > >> + > >> + pll_div_fb = (reg15 & 0x01) << 8; > >> + pll_div_fb += reg16; > >> + pll_div_fb += 32; > >> + > >> + div = 36000 * pll_div_fb; > >> + div /= ts_mclk; > >> + > >> + if (div <= 32) { > >> + N = 2; > >> + f0 = 0; > >> + f1 = div / 2; > >> + f2 = div - f1; > >> + f3 = 0; > >> + } else if (div <= 48) { > >> + N = 3; > >> + f0 = div / 3; > >> + f1 = (div - f0) / 2; > >> + f2 = div - f0 - f1; > >> + f3 = 0; > >> + } else if (div <= 64) { > >> + N = 4; > >> + f0 = div / 4; > >> + f1 = (div - f0) / 3; > >> + f2 = (div - f0 - f1) / 2; > >> + f3 = div - f0 - f1 - f2; > >> + } else { > >> + N = 4; > >> + f0 = 16; > >> + f1 = 16; > >> + f2 = 16; > >> + f3 = 16; > >> + } > >> + > >> + if (f0 == 16) > >> + f0 = 0; > >> + if (f1 == 16) > >> + f1 = 0; > >> + if (f2 == 16) > >> + f2 = 0; > >> + if (f3 == 16) > >> + f3 = 0; > >> + > >> + ret = regmap_read(dev->regmap, 0x1D, &utmp); > >> + if (ret) > >> + goto err; > >> + reg1D = utmp; > >> + reg1D &= ~0x03; > >> + reg1D |= N - 1; > >> + reg1E = ((f3 << 4) + f2) & 0xFF; > >> + reg1F = ((f1 << 4) + f0) & 0xFF; > >> + > >> + /* program and recalibrate demod PLL */ > >> + ret = regmap_write(dev->regmap, 0x05, 0x40); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x11, 0x08); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x15, reg15); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x16, reg16); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x1D, reg1D); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x1E, reg1E); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x1F, reg1F); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x17, 0xc1); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x17, 0x81); > >> + if (ret) > >> + goto err; > >> + usleep_range(5000, 50000); > >> + ret = regmap_write(dev->regmap, 0x05, 0x00); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x11, reg11); > >> + if (ret) > >> + goto err; > >> + usleep_range(5000, 50000); > >> +err: > >> + if (ret) > >> + dev_dbg(&dev->client->dev, "failed=%d\n", ret); > >> + return ret; > >> +} > >> + > >> +static int m88rs6000t_set_pll_freq(struct m88rs6000t_dev *dev, > >> + u32 tuner_freq_MHz) > >> +{ > >> + u32 fcry_KHz, ulNDiv1, ulNDiv2, ulNDiv; > >> + u8 refDiv, ucLoDiv1, ucLomod1, ucLoDiv2, ucLomod2, ucLoDiv, ucLomod; > >> + u8 reg27, reg29, reg42, reg42buf; > >> + unsigned int utmp; > >> + int ret; > >> + > >> + fcry_KHz = 27000; /* in kHz */ > >> + refDiv = 27; > >> + > >> + ret = regmap_write(dev->regmap, 0x36, (refDiv - 8)); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x31, 0x00); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x2c, 0x02); > >> + if (ret) > >> + goto err; > >> + > >> + if (tuner_freq_MHz >= 1550) { > >> + ucLoDiv1 = 2; > >> + ucLomod1 = 0; > >> + ucLoDiv2 = 2; > >> + ucLomod2 = 0; > >> + } else if (tuner_freq_MHz >= 1380) { > >> + ucLoDiv1 = 3; > >> + ucLomod1 = 16; > >> + ucLoDiv2 = 2; > >> + ucLomod2 = 0; > >> + } else if (tuner_freq_MHz >= 1070) { > >> + ucLoDiv1 = 3; > >> + ucLomod1 = 16; > >> + ucLoDiv2 = 3; > >> + ucLomod2 = 16; > >> + } else if (tuner_freq_MHz >= 1000) { > >> + ucLoDiv1 = 3; > >> + ucLomod1 = 16; > >> + ucLoDiv2 = 4; > >> + ucLomod2 = 64; > >> + } else if (tuner_freq_MHz >= 775) { > >> + ucLoDiv1 = 4; > >> + ucLomod1 = 64; > >> + ucLoDiv2 = 4; > >> + ucLomod2 = 64; > >> + } else if (tuner_freq_MHz >= 700) { > >> + ucLoDiv1 = 6; > >> + ucLomod1 = 48; > >> + ucLoDiv2 = 4; > >> + ucLomod2 = 64; > >> + } else if (tuner_freq_MHz >= 520) { > >> + ucLoDiv1 = 6; > >> + ucLomod1 = 48; > >> + ucLoDiv2 = 6; > >> + ucLomod2 = 48; > >> + } else { > >> + ucLoDiv1 = 8; > >> + ucLomod1 = 96; > >> + ucLoDiv2 = 8; > >> + ucLomod2 = 96; > >> + } > >> + > >> + ulNDiv1 = ((tuner_freq_MHz * ucLoDiv1 * 1000) * refDiv > >> + / fcry_KHz - 1024) / 2; > >> + ulNDiv2 = ((tuner_freq_MHz * ucLoDiv2 * 1000) * refDiv > >> + / fcry_KHz - 1024) / 2; > >> + > >> + reg27 = (((ulNDiv1 >> 8) & 0x0F) + ucLomod1) & 0x7F; > >> + ret = regmap_write(dev->regmap, 0x27, reg27); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x28, (u8)(ulNDiv1 & 0xFF)); > >> + if (ret) > >> + goto err; > >> + reg29 = (((ulNDiv2 >> 8) & 0x0F) + ucLomod2) & 0x7f; > >> + ret = regmap_write(dev->regmap, 0x29, reg29); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x2a, (u8)(ulNDiv2 & 0xFF)); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x2F, 0xf5); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x30, 0x05); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x08, 0x1f); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x08, 0x3f); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x09, 0x20); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x09, 0x00); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x3e, 0x11); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x08, 0x2f); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x08, 0x3f); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x09, 0x10); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x09, 0x00); > >> + if (ret) > >> + goto err; > >> + usleep_range(2000, 50000); > >> + > >> + ret = regmap_read(dev->regmap, 0x42, &utmp); > >> + if (ret) > >> + goto err; > >> + reg42 = utmp; > >> + > >> + ret = regmap_write(dev->regmap, 0x3e, 0x10); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x08, 0x2f); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x08, 0x3f); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x09, 0x10); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x09, 0x00); > >> + if (ret) > >> + goto err; > >> + usleep_range(2000, 50000); > >> + > >> + ret = regmap_read(dev->regmap, 0x42, &utmp); > >> + if (ret) > >> + goto err; > >> + reg42buf = utmp; > >> + if (reg42buf < reg42) { > >> + ret = regmap_write(dev->regmap, 0x3e, 0x11); > >> + if (ret) > >> + goto err; > >> + } > >> + usleep_range(5000, 50000); > >> + > >> + ret = regmap_read(dev->regmap, 0x2d, &utmp); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x2d, utmp); > >> + if (ret) > >> + goto err; > >> + ret = regmap_read(dev->regmap, 0x2e, &utmp); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x2e, utmp); > >> + if (ret) > >> + goto err; > >> + > >> + ret = regmap_read(dev->regmap, 0x27, &utmp); > >> + if (ret) > >> + goto err; > >> + reg27 = utmp & 0x70; > >> + ret = regmap_read(dev->regmap, 0x83, &utmp); > >> + if (ret) > >> + goto err; > >> + if (reg27 == (utmp & 0x70)) { > >> + ucLoDiv = ucLoDiv1; > >> + ulNDiv = ulNDiv1; > >> + ucLomod = ucLomod1 / 16; > >> + } else { > >> + ucLoDiv = ucLoDiv2; > >> + ulNDiv = ulNDiv2; > >> + ucLomod = ucLomod2 / 16; > >> + } > >> + > >> + if ((ucLoDiv == 3) || (ucLoDiv == 6)) { > >> + refDiv = 18; > >> + ret = regmap_write(dev->regmap, 0x36, (refDiv - 8)); > >> + if (ret) > >> + goto err; > >> + ulNDiv = ((tuner_freq_MHz * ucLoDiv * 1000) * refDiv > >> + / fcry_KHz - 1024) / 2; > >> + } > >> + > >> + reg27 = (0x80 + ((ucLomod << 4) & 0x70) > >> + + ((ulNDiv >> 8) & 0x0F)) & 0xFF; > >> + ret = regmap_write(dev->regmap, 0x27, reg27); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x28, (u8)(ulNDiv & 0xFF)); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x29, 0x80); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x31, 0x03); > >> + if (ret) > >> + goto err; > >> + > >> + if (ucLoDiv == 3) > >> + utmp = 0xCE; > >> + else > >> + utmp = 0x8A; > >> + ret = regmap_write(dev->regmap, 0x3b, utmp); > >> + if (ret) > >> + goto err; > >> + > >> + dev->frequency_khz = fcry_KHz * (ulNDiv * 2 + 1024) / refDiv / ucLoDiv; > >> + > >> + dev_dbg(&dev->client->dev, > >> + "actual tune frequency=%d\n", dev->frequency_khz); > >> +err: > >> + if (ret) > >> + dev_dbg(&dev->client->dev, "failed=%d\n", ret); > >> + return ret; > >> +} > >> + > >> +static int m88rs6000t_set_bb(struct m88rs6000t_dev *dev, > >> + u32 symbol_rate_KSs, s32 lpf_offset_KHz) > >> +{ > >> + u32 f3dB; > >> + u8 reg40; > >> + > >> + f3dB = symbol_rate_KSs * 9 / 14 + 2000; > >> + f3dB += lpf_offset_KHz; > >> + f3dB = clamp_val(f3dB, 6000U, 43000U); > >> + reg40 = f3dB / 1000; > >> + return regmap_write(dev->regmap, 0x40, reg40); > >> +} > >> + > >> +static int m88rs6000t_set_params(struct dvb_frontend *fe) > >> +{ > >> + struct m88rs6000t_dev *dev = fe->tuner_priv; > >> + struct dtv_frontend_properties *c = &fe->dtv_property_cache; > >> + int ret; > >> + s32 lpf_offset_KHz; > >> + u32 realFreq, freq_MHz; > >> + > >> + dev_dbg(&dev->client->dev, > >> + "frequency=%d symbol_rate=%d\n", > >> + c->frequency, c->symbol_rate); > >> + > >> + if (c->symbol_rate < 5000000) > >> + lpf_offset_KHz = 3000; > >> + else > >> + lpf_offset_KHz = 0; > >> + > >> + realFreq = c->frequency + lpf_offset_KHz; > >> + /* set tuner pll.*/ > >> + freq_MHz = (realFreq + 500) / 1000; > >> + ret = m88rs6000t_set_pll_freq(dev, freq_MHz); > >> + if (ret) > >> + goto err; > >> + ret = m88rs6000t_set_bb(dev, c->symbol_rate / 1000, lpf_offset_KHz); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x00, 0x01); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x00, 0x00); > >> + if (ret) > >> + goto err; > >> + /* set demod mlck */ > >> + ret = m88rs6000t_set_demod_mclk(fe); > >> +err: > >> + if (ret) > >> + dev_dbg(&dev->client->dev, "failed=%d\n", ret); > >> + return ret; > >> +} > >> + > >> +static int m88rs6000t_init(struct dvb_frontend *fe) > >> +{ > >> + struct m88rs6000t_dev *dev = fe->tuner_priv; > >> + int ret; > >> + > >> + dev_dbg(&dev->client->dev, "%s:\n", __func__); > >> + > >> + ret = regmap_update_bits(dev->regmap, 0x11, 0x08, 0x08); > >> + if (ret) > >> + goto err; > >> + usleep_range(5000, 50000); > >> + ret = regmap_update_bits(dev->regmap, 0x10, 0x01, 0x01); > >> + if (ret) > >> + goto err; > >> + usleep_range(10000, 50000); > >> + ret = regmap_write(dev->regmap, 0x07, 0x7d); > >> +err: > >> + if (ret) > >> + dev_dbg(&dev->client->dev, "failed=%d\n", ret); > >> + return ret; > >> +} > >> + > >> +static int m88rs6000t_sleep(struct dvb_frontend *fe) > >> +{ > >> + struct m88rs6000t_dev *dev = fe->tuner_priv; > >> + int ret; > >> + > >> + dev_dbg(&dev->client->dev, "%s:\n", __func__); > >> + > >> + ret = regmap_write(dev->regmap, 0x07, 0x6d); > >> + if (ret) > >> + goto err; > >> + usleep_range(5000, 10000); > >> +err: > >> + if (ret) > >> + dev_dbg(&dev->client->dev, "failed=%d\n", ret); > >> + return ret; > >> +} > >> + > >> +static int m88rs6000t_get_frequency(struct dvb_frontend *fe, u32 *frequency) > >> +{ > >> + struct m88rs6000t_dev *dev = fe->tuner_priv; > >> + > >> + dev_dbg(&dev->client->dev, "\n"); > >> + > >> + *frequency = dev->frequency_khz; > >> + return 0; > >> +} > >> + > >> +static int m88rs6000t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) > >> +{ > >> + struct m88rs6000t_dev *dev = fe->tuner_priv; > >> + > >> + dev_dbg(&dev->client->dev, "\n"); > >> + > >> + *frequency = 0; /* Zero-IF */ > >> + return 0; > >> +} > >> + > >> + > >> +static int m88rs6000t_get_rf_strength(struct dvb_frontend *fe, u16 *strength) > >> +{ > >> + struct m88rs6000t_dev *dev = fe->tuner_priv; > >> + unsigned int val, i; > >> + int ret; > >> + u16 gain; > >> + u32 PGA2_cri_GS = 46, PGA2_crf_GS = 290, TIA_GS = 290; > >> + u32 RF_GC = 1200, IF_GC = 1100, BB_GC = 300; > >> + u32 PGA2_GC = 300, TIA_GC = 300, PGA2_cri = 0, PGA2_crf = 0; > >> + u32 RFG = 0, IFG = 0, BBG = 0, PGA2G = 0, TIAG = 0; > >> + u32 RFGS[13] = {0, 245, 266, 268, 270, 285, > >> + 298, 295, 283, 285, 285, 300, 300}; > >> + u32 IFGS[12] = {0, 300, 230, 270, 270, 285, > >> + 295, 285, 290, 295, 295, 310}; > >> + u32 BBGS[14] = {0, 286, 275, 290, 294, 300, 290, > >> + 290, 285, 283, 260, 295, 290, 260}; > >> + > >> + ret = regmap_read(dev->regmap, 0x5A, &val); > >> + if (ret) > >> + goto err; > >> + RF_GC = val & 0x0f; > >> + > >> + ret = regmap_read(dev->regmap, 0x5F, &val); > >> + if (ret) > >> + goto err; > >> + IF_GC = val & 0x0f; > >> + > >> + ret = regmap_read(dev->regmap, 0x3F, &val); > >> + if (ret) > >> + goto err; > >> + TIA_GC = (val >> 4) & 0x07; > >> + > >> + ret = regmap_read(dev->regmap, 0x77, &val); > >> + if (ret) > >> + goto err; > >> + BB_GC = (val >> 4) & 0x0f; > >> + > >> + ret = regmap_read(dev->regmap, 0x76, &val); > >> + if (ret) > >> + goto err; > >> + PGA2_GC = val & 0x3f; > >> + PGA2_cri = PGA2_GC >> 2; > >> + PGA2_crf = PGA2_GC & 0x03; > >> + > >> + for (i = 0; i <= RF_GC; i++) > >> + RFG += RFGS[i]; > >> + > >> + if (RF_GC == 0) > >> + RFG += 400; > >> + if (RF_GC == 1) > >> + RFG += 300; > >> + if (RF_GC == 2) > >> + RFG += 200; > >> + if (RF_GC == 3) > >> + RFG += 100; > >> + > >> + for (i = 0; i <= IF_GC; i++) > >> + IFG += IFGS[i]; > >> + > >> + TIAG = TIA_GC * TIA_GS; > >> + > >> + for (i = 0; i <= BB_GC; i++) > >> + BBG += BBGS[i]; > >> + > >> + PGA2G = PGA2_cri * PGA2_cri_GS + PGA2_crf * PGA2_crf_GS; > >> + > >> + gain = RFG + IFG - TIAG + BBG + PGA2G; > >> + > >> + /* scale value to 0x0000-0xffff */ > >> + gain = clamp_val(gain, 1000U, 10500U); > >> + *strength = (10500 - gain) * 0xffff / (10500 - 1000); > >> +err: > >> + if (ret) > >> + dev_dbg(&dev->client->dev, "failed=%d\n", ret); > >> + return ret; > >> +} > >> + > >> +static const struct dvb_tuner_ops m88rs6000t_tuner_ops = { > >> + .info = { > >> + .name = "Montage M88RS6000 Internal Tuner", > >> + .frequency_min = 950000, > >> + .frequency_max = 2150000, > >> + }, > >> + > >> + .init = m88rs6000t_init, > >> + .sleep = m88rs6000t_sleep, > >> + .set_params = m88rs6000t_set_params, > >> + .get_frequency = m88rs6000t_get_frequency, > >> + .get_if_frequency = m88rs6000t_get_if_frequency, > >> + .get_rf_strength = m88rs6000t_get_rf_strength, > >> +}; > >> + > >> +static int m88rs6000t_probe(struct i2c_client *client, > >> + const struct i2c_device_id *id) > >> +{ > >> + struct m88rs6000t_config *cfg = client->dev.platform_data; > >> + struct dvb_frontend *fe = cfg->fe; > >> + struct m88rs6000t_dev *dev; > >> + int ret, i; > >> + unsigned int utmp; > >> + static const struct regmap_config regmap_config = { > >> + .reg_bits = 8, > >> + .val_bits = 8, > >> + }; > >> + static const struct m88rs6000t_reg_val reg_vals[] = { > >> + {0x10, 0xfb}, > >> + {0x24, 0x38}, > >> + {0x11, 0x0a}, > >> + {0x12, 0x00}, > >> + {0x2b, 0x1c}, > >> + {0x44, 0x48}, > >> + {0x54, 0x24}, > >> + {0x55, 0x06}, > >> + {0x59, 0x00}, > >> + {0x5b, 0x4c}, > >> + {0x60, 0x8b}, > >> + {0x61, 0xf4}, > >> + {0x65, 0x07}, > >> + {0x6d, 0x6f}, > >> + {0x6e, 0x31}, > >> + {0x3c, 0xf3}, > >> + {0x37, 0x0f}, > >> + {0x48, 0x28}, > >> + {0x49, 0xd8}, > >> + {0x70, 0x66}, > >> + {0x71, 0xCF}, > >> + {0x72, 0x81}, > >> + {0x73, 0xA7}, > >> + {0x74, 0x4F}, > >> + {0x75, 0xFC}, > >> + }; > >> + > >> + dev = kzalloc(sizeof(*dev), GFP_KERNEL); > >> + if (!dev) { > >> + ret = -ENOMEM; > >> + dev_err(&client->dev, "kzalloc() failed\n"); > >> + goto err; > >> + } > >> + > >> + memcpy(&dev->cfg, cfg, sizeof(struct m88rs6000t_config)); > >> + dev->client = client; > >> + dev->regmap = devm_regmap_init_i2c(client, ®map_config); > >> + if (IS_ERR(dev->regmap)) { > >> + ret = PTR_ERR(dev->regmap); > >> + goto err; > >> + } > >> + > >> + ret = regmap_update_bits(dev->regmap, 0x11, 0x08, 0x08); > >> + if (ret) > >> + goto err; > >> + usleep_range(5000, 50000); > >> + ret = regmap_update_bits(dev->regmap, 0x10, 0x01, 0x01); > >> + if (ret) > >> + goto err; > >> + usleep_range(10000, 50000); > >> + ret = regmap_write(dev->regmap, 0x07, 0x7d); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x04, 0x01); > >> + if (ret) > >> + goto err; > >> + > >> + /* check tuner chip id */ > >> + ret = regmap_read(dev->regmap, 0x01, &utmp); > >> + if (ret) > >> + goto err; > >> + dev_info(&dev->client->dev, "chip_id=%02x\n", utmp); > >> + if (utmp != 0x64) { > >> + ret = -ENODEV; > >> + goto err; > >> + } > >> + > >> + /* tuner init. */ > >> + ret = regmap_write(dev->regmap, 0x05, 0x40); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x11, 0x08); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x15, 0x6c); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x17, 0xc1); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x17, 0x81); > >> + if (ret) > >> + goto err; > >> + usleep_range(10000, 50000); > >> + ret = regmap_write(dev->regmap, 0x05, 0x00); > >> + if (ret) > >> + goto err; > >> + ret = regmap_write(dev->regmap, 0x11, 0x0a); > >> + if (ret) > >> + goto err; > >> + > >> + for (i = 0; i < ARRAY_SIZE(reg_vals); i++) { > >> + ret = regmap_write(dev->regmap, > >> + reg_vals[i].reg, reg_vals[i].val); > >> + if (ret) > >> + goto err; > >> + } > >> + > >> + dev_info(&dev->client->dev, "Montage M88RS6000 internal tuner successfully identified\n"); > >> + > >> + fe->tuner_priv = dev; > >> + memcpy(&fe->ops.tuner_ops, &m88rs6000t_tuner_ops, > >> + sizeof(struct dvb_tuner_ops)); > >> + i2c_set_clientdata(client, dev); > >> + return 0; > >> +err: > >> + dev_dbg(&client->dev, "failed=%d\n", ret); > >> + kfree(dev); > >> + return ret; > >> +} > >> + > >> +static int m88rs6000t_remove(struct i2c_client *client) > >> +{ > >> + struct m88rs6000t_dev *dev = i2c_get_clientdata(client); > >> + struct dvb_frontend *fe = dev->cfg.fe; > >> + > >> + dev_dbg(&client->dev, "\n"); > >> + > >> + memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); > >> + fe->tuner_priv = NULL; > >> + kfree(dev); > >> + > >> + return 0; > >> +} > >> + > >> +static const struct i2c_device_id m88rs6000t_id[] = { > >> + {"m88rs6000t", 0}, > >> + {} > >> +}; > >> +MODULE_DEVICE_TABLE(i2c, m88rs6000t_id); > >> + > >> +static struct i2c_driver m88rs6000t_driver = { > >> + .driver = { > >> + .owner = THIS_MODULE, > >> + .name = "m88rs6000t", > >> + }, > >> + .probe = m88rs6000t_probe, > >> + .remove = m88rs6000t_remove, > >> + .id_table = m88rs6000t_id, > >> +}; > >> + > >> +module_i2c_driver(m88rs6000t_driver); > >> + > >> +MODULE_AUTHOR("Max nibble <nibble.max@xxxxxxxxx>"); > >> +MODULE_DESCRIPTION("Montage M88RS6000 internal tuner driver"); > >> +MODULE_LICENSE("GPL"); > >> diff --git a/drivers/media/tuners/m88rs6000t.h b/drivers/media/tuners/m88rs6000t.h > >> new file mode 100644 > >> index 0000000..264c13e > >> --- /dev/null > >> +++ b/drivers/media/tuners/m88rs6000t.h > >> @@ -0,0 +1,29 @@ > >> +/* > >> + * Driver for the internal tuner of Montage M88RS6000 > >> + * > >> + * Copyright (C) 2014 Max nibble <nibble.max@xxxxxxxxx> > >> + * > >> + * 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. > >> + */ > >> + > >> +#ifndef _M88RS6000T_H_ > >> +#define _M88RS6000T_H_ > >> + > >> +#include "dvb_frontend.h" > >> + > >> +struct m88rs6000t_config { > >> + /* > >> + * pointer to DVB frontend > >> + */ > >> + struct dvb_frontend *fe; > >> +}; > >> + > >> +#endif > >> > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
