[media] m88rs6000t: add new dvb-s/s2 tuner for integrated chip M88RS6000
authornibble.max <nibble.max@gmail.com>
Thu, 30 Oct 2014 08:01:51 +0000 (05:01 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Mon, 3 Nov 2014 20:23:43 +0000 (18:23 -0200)
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@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/tuners/Kconfig
drivers/media/tuners/Makefile
drivers/media/tuners/m88rs6000t.c [new file with mode: 0644]
drivers/media/tuners/m88rs6000t.h [new file with mode: 0644]

index f039dc2a21cf0fb3538d57fc42905f676b2cbe17..42e5a01b9192ace596ca4b893ea93676184ec8d7 100644 (file)
@@ -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
index 49fcf8033848dcf2e1029349d624268b907c2fc2..da4fe6ef73e74ce13031a45d01066c242be0802c 100644 (file)
@@ -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 (file)
index 0000000..d4c13fe
--- /dev/null
@@ -0,0 +1,744 @@
+/*
+ * Driver for the internal tuner of Montage M88RS6000
+ *
+ * Copyright (C) 2014 Max nibble <nibble.max@gmail.com>
+ *
+ *    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, &regmap_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@gmail.com>");
+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 (file)
index 0000000..264c13e
--- /dev/null
@@ -0,0 +1,29 @@
+/*
+ * Driver for the internal tuner of Montage M88RS6000
+ *
+ * Copyright (C) 2014 Max nibble <nibble.max@gmail.com>
+ *
+ *    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