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....@gmail.com>
---
drivers/media/tuners/Kconfig | 8 +
drivers/media/tuners/Makefile | 1 +
drivers/media/tuners/m88rs6000t.c | 928 ++++++++++++++++++++++++++++++++++++++
drivers/media/tuners/m88rs6000t.h | 41 ++
4 files changed, 978 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..fc9e406
--- /dev/null
+++ b/drivers/media/tuners/m88rs6000t.c
@@ -0,0 +1,928 @@
+/*
+ * Driver for the internal tuner of Montage M88RS6000
+ *
+ * Copyright (C) 2014 Max nibble <nibble....@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;
+};
+
+static int m88rs6000t_select_mclk(struct m88rs6000t_dev *dev,
+ u32 tuner_freq_MHz, u32 iSymRateKSs, u32 *iMclkKHz)
+{
+ u32 adc_Freq_MHz[3] = {96, 93, 99};
+ u8 reg16_list[3] = {96, 92, 100}, reg16, reg15;
+ u32 offset_MHz[3];
+ u32 max_offset = 0;
+ int ret, i;
+ unsigned int utmp;
+
+ if (iSymRateKSs > 45010) {
+ reg16 = 115;
+ *iMclkKHz = 110250;
+ } else {
+ adc_Freq_MHz[0] = 96;
+ adc_Freq_MHz[1] = 93;
+ adc_Freq_MHz[2] = 99;
+ reg16_list[0] = 96;
+ reg16_list[1] = 92;
+ reg16_list[2] = 100;
+ reg16 = 96;
+ for (i = 0; i < 3; i++) {
+ offset_MHz[i] = tuner_freq_MHz % adc_Freq_MHz[i];
+
+ if (offset_MHz[i] > (adc_Freq_MHz[i] / 2))
+ offset_MHz[i] = adc_Freq_MHz[i] - offset_MHz[i];
+
+ if (offset_MHz[i] > max_offset) {
+ max_offset = offset_MHz[i];
+ reg16 = reg16_list[i];
+ *iMclkKHz = adc_Freq_MHz[i] * 1000;
+
+ if (iSymRateKSs > 45010)
+ *iMclkKHz /= 2;
+ }
+ }
+ }
+ ret = regmap_read(dev->regmap, 0x15, &utmp);
+ if (ret)
+ goto err;
+ reg15 = utmp;
+ ret = regmap_write(dev->regmap, 0x05, 0x40);
+ if (ret)
+ goto err;
+ ret = regmap_write(dev->regmap, 0x11, 0x08);
+ if (ret)
+ goto err;
+ if (iSymRateKSs > 45010)
+ reg15 |= 0x02;
+ else
+ reg15 &= ~0x02;
+ ret = regmap_write(dev->regmap, 0x15, reg15);
+ if (ret)
+ goto err;
+ ret = regmap_write(dev->regmap, 0x16, reg16);
+ 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, (iSymRateKSs > 45010) ? 0x0E : 0x0A);
+ 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_ts_mclk(struct m88rs6000t_dev *dev,
+ u32 MCLK_KHz, u32 iSymRateKSs)
+{
+ u8 reg11 = 0x0A, reg15, reg16, reg1D, reg1E, reg1F, tmp;
+ u8 sm, f0 = 0, f1 = 0, f2 = 0, f3 = 0;
+ u16 pll_div_fb, N;
+ u32 div;
+ int ret;
+ unsigned int utmp;
+
+ ret = regmap_read(dev->regmap, 0x15, &utmp);
+ if (ret)
+ goto err;
+ reg15 = utmp;
+ ret = regmap_read(dev->regmap, 0x16, &utmp);
+ if (ret)
+ goto err;
+ reg16 = utmp;
+ ret = regmap_read(dev->regmap, 0x1D, &utmp);
+ if (ret)
+ goto err;
+ reg1D = utmp;
+
+ if (reg16 == 92)
+ tmp = 93;
+ else if (reg16 == 100)
+ tmp = 99;
+ else
+ tmp = 96;
+ MCLK_KHz *= tmp;
+ MCLK_KHz /= 96;
+
+ pll_div_fb = (reg15 & 0x01) << 8;
+ pll_div_fb += reg16;
+ pll_div_fb += 32;
+
+ div = 9000 * pll_div_fb * 4;
+ div /= MCLK_KHz;
+
+ reg11 &= ~0x02;
+ if (div <= 32) {
+ N = 2;
+ f0 = 0;
+ f1 = div / N;
+ f2 = div - f1;
+ f3 = 0;
+ } else if (div <= 48) {
+ N = 3;
+ f0 = div / N;
+ f1 = (div - f0) / (N - 1);
+ f2 = div - f0 - f1;
+ f3 = 0;
+ } else if (div <= 64) {
+ N = 4;
+ f0 = div / N;
+ f1 = (div - f0) / (N - 1);
+ f2 = (div - f0 - f1) / (N - 2);
+ f3 = div - f0 - f1 - f2;
+ } else {
+ N = 4;
+ f0 = 16;
+ f1 = 16;
+ f2 = 16;
+ f3 = 16;
+ }
+
+ if (f0 == 16)
+ f0 = 0;
+ else if ((f0 < 9) && (f0 != 0))
+ f0 = 9;
+
+ if (f1 == 16)
+ f1 = 0;
+ else if ((f1 < 9) && (f1 != 0))
+ f1 = 9;
+
+ if (f2 == 16)
+ f2 = 0;
+ else if ((f2 < 9) && (f2 != 0))
+ f2 = 9;
+
+ if (f3 == 16)
+ f3 = 0;
+ else if ((f3 < 9) && (f3 != 0))
+ f3 = 9;
+
+ sm = N - 1;
+ reg1D &= ~0x03;
+ reg1D |= sm;
+ reg1E = ((f3 << 4) + f2) & 0xFF;
+ reg1F = ((f1 << 4) + f0) & 0xFF;
+
+ 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, 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, (iSymRateKSs > 45010) ? 0x0E : 0x0A);
+ if (ret)
+ goto err;
+ usleep_range(5000, 50000);
+err:
+ if (ret)
+ dev_dbg(&dev->client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88rs6000_get_ts_mclk(struct m88rs6000t_dev *dev, u32 *p_MCLK_KHz)
+{
+ u8 reg15, reg16, reg1D, reg1E, reg1F;
+ u8 sm, f0, f1, f2, f3;
+ u16 pll_div_fb, N;
+ u32 MCLK_KHz;
+ int ret;
+ unsigned int utmp;
+
+ *p_MCLK_KHz = 96000; /* set default value */
+
+ ret = regmap_read(dev->regmap, 0x15, &utmp);
+ if (ret)
+ goto err;
+ reg15 = utmp;
+ ret = regmap_read(dev->regmap, 0x16, &utmp);
+ if (ret)
+ goto err;
+ reg16 = utmp;
+ ret = regmap_read(dev->regmap, 0x1D, &utmp);
+ if (ret)
+ goto err;
+ reg1D = utmp;
+ ret = regmap_read(dev->regmap, 0x1E, &utmp);
+ if (ret)
+ goto err;
+ reg1E = utmp;
+ ret = regmap_read(dev->regmap, 0x1F, &utmp);
+ if (ret)
+ goto err;
+ reg1F = utmp;
+
+ MCLK_KHz = 9000;
+ pll_div_fb = reg15 & 0x01;
+ pll_div_fb <<= 8;
+ pll_div_fb += reg16;
+
+ MCLK_KHz *= (pll_div_fb + 32);
+
+ sm = reg1D & 0x03;
+
+ f3 = (reg1E >> 4) & 0x0F;
+ f2 = reg1E & 0x0F;
+ f1 = (reg1F >> 4) & 0x0F;
+ f0 = reg1F & 0x0F;
+
+ if (f3 == 0)
+ f3 = 16;
+ if (f2 == 0)
+ f2 = 16;
+ if (f1 == 0)
+ f1 = 16;
+ if (f0 == 0)
+ f0 = 16;
+
+ N = f2 + f1;
+
+ switch (sm) {
+ case 3:
+ N = f3 + f2 + f1 + f0;
+ break;
+ case 2:
+ N = f2 + f1 + f0;
+ break;
+ case 1:
+ case 0:
+ default:
+ N = f2 + f1;
+ break;
+ }
+
+ MCLK_KHz *= 4;
+ MCLK_KHz /= N;
+ *p_MCLK_KHz = MCLK_KHz;
+err:
+ if (ret)
+ dev_dbg(&dev->client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88rs6000t_set_config(struct dvb_frontend *fe, void *priv_cfg)
+{
+ struct m88rs6000t_dev *dev = fe->tuner_priv;
+ struct m88rs6000t_mclk_config *cfg =
+ (struct m88rs6000t_mclk_config *) priv_cfg;
+ int ret;
+
+ if (cfg->config_op) {
+ /* set the demand ts mclk */
+ ret = m88rs6000t_set_ts_mclk(dev,
+ cfg->MclkKHz, cfg->SymRateKSs);
+ if (ret)
+ return ret;
+ /* read back the actual ts mclk */
+ ret = m88rs6000_get_ts_mclk(dev, &cfg->MclkKHz);
+ } else {
+ /* set main mclk */
+ ret = m88rs6000t_select_mclk(dev, cfg->TunerfreqMHz,
+ cfg->SymRateKSs, &cfg->MclkKHz);
+ }
+ 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, reg36, reg42, reg42buf, reg83;
+ unsigned int utmp;
+ int ret;
+
+ fcry_KHz = 27000; /* in kHz */
+ refDiv = 27;
+ reg36 = refDiv - 8;
+
+ ret = regmap_write(dev->regmap, 0x36, reg36);
+ 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;
+ reg83 = utmp & 0x70;
+
+ if (reg27 == reg83) {
+ ucLoDiv = ucLoDiv1;
+ ulNDiv = ulNDiv1;
+ ucLomod = ucLomod1 / 16;
+ } else {
+ ucLoDiv = ucLoDiv2;
+ ulNDiv = ulNDiv2;
+ ucLomod = ucLomod2 / 16;
+ }
+
+ if ((ucLoDiv == 3) || (ucLoDiv == 6)) {
+ refDiv = 18;
+ reg36 = refDiv - 8;
+ ret = regmap_write(dev->regmap, 0x36, reg36);
+ 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;
+ if (f3dB < 6000)
+ f3dB = 6000;
+ if (f3dB > 43000)
+ f3dB = 43000;
+ 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;
+ 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;
+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);
+ if (ret)
+ goto err;
+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,
+ .set_config = m88rs6000t_set_config,
+
+ .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)
+ 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....@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
index 0000000..7b18692
--- /dev/null
+++ b/drivers/media/tuners/m88rs6000t.h
@@ -0,0 +1,41 @@
+/*
+ * Driver for the internal tuner of Montage M88RS6000
+ *
+ * Copyright (C) 2014 Max nibble <nibble....@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;
+};
+
+/* Main mclk and ts mclk of M88RS6000 demod is controlled
+ * by pll inside tuner die.
+ * Demod module uses "set_config" call back function to
+ * change its main mclk and ts mclk.
+ */
+struct m88rs6000t_mclk_config {
+ u8 config_op; /* 0: main mclk, 1: ts mclk. */
+ u32 TunerfreqMHz;
+ u32 SymRateKSs;
+ u32 MclkKHz; /* depend on config_op value, main mclk or ts mclk */
+};
+
+#endif
--
1.9.1
--
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