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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/dvb-frontends/m88ds3103.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/m88ds3103.c')
-rw-r--r--drivers/media/dvb-frontends/m88ds3103.c1959
1 files changed, 1959 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
new file mode 100644
index 000000000..ce99f7dfb
--- /dev/null
+++ b/drivers/media/dvb-frontends/m88ds3103.c
@@ -0,0 +1,1959 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Montage Technology M88DS3103/M88RS6000 demodulator driver
+ *
+ * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
+ */
+
+#include "m88ds3103_priv.h"
+
+static const struct dvb_frontend_ops m88ds3103_ops;
+
+/* write single register with mask */
+static int m88ds3103_update_bits(struct m88ds3103_dev *dev,
+ u8 reg, u8 mask, u8 val)
+{
+ int ret;
+ u8 tmp;
+
+ /* no need for read if whole reg is written */
+ if (mask != 0xff) {
+ ret = regmap_bulk_read(dev->regmap, reg, &tmp, 1);
+ if (ret)
+ return ret;
+
+ val &= mask;
+ tmp &= ~mask;
+ val |= tmp;
+ }
+
+ return regmap_bulk_write(dev->regmap, reg, &val, 1);
+}
+
+/* write reg val table using reg addr auto increment */
+static int m88ds3103_wr_reg_val_tab(struct m88ds3103_dev *dev,
+ const struct m88ds3103_reg_val *tab, int tab_len)
+{
+ struct i2c_client *client = dev->client;
+ int ret, i, j;
+ u8 buf[83];
+
+ dev_dbg(&client->dev, "tab_len=%d\n", tab_len);
+
+ if (tab_len > 86) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ for (i = 0, j = 0; i < tab_len; i++, j++) {
+ buf[j] = tab[i].val;
+
+ if (i == tab_len - 1 || tab[i].reg != tab[i + 1].reg - 1 ||
+ !((j + 1) % (dev->cfg->i2c_wr_max - 1))) {
+ ret = regmap_bulk_write(dev->regmap, tab[i].reg - j, buf, j + 1);
+ if (ret)
+ goto err;
+
+ j = -1;
+ }
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+/*
+ * m88ds3103b demod has an internal device related to clocking. First the i2c
+ * gate must be opened, for one transaction, then writes will be allowed.
+ */
+static int m88ds3103b_dt_write(struct m88ds3103_dev *dev, int reg, int data)
+{
+ struct i2c_client *client = dev->client;
+ u8 buf[] = {reg, data};
+ u8 val;
+ int ret;
+ struct i2c_msg msg = {
+ .addr = dev->dt_addr, .flags = 0, .buf = buf, .len = 2
+ };
+
+ m88ds3103_update_bits(dev, 0x11, 0x01, 0x00);
+
+ val = 0x11;
+ ret = regmap_write(dev->regmap, 0x03, val);
+ if (ret)
+ dev_dbg(&client->dev, "fail=%d\n", ret);
+
+ ret = i2c_transfer(dev->dt_client->adapter, &msg, 1);
+ if (ret != 1) {
+ dev_err(&client->dev, "0x%02x (ret=%i, reg=0x%02x, value=0x%02x)\n",
+ dev->dt_addr, ret, reg, data);
+
+ m88ds3103_update_bits(dev, 0x11, 0x01, 0x01);
+ return -EREMOTEIO;
+ }
+ m88ds3103_update_bits(dev, 0x11, 0x01, 0x01);
+
+ dev_dbg(&client->dev, "0x%02x reg 0x%02x, value 0x%02x\n",
+ dev->dt_addr, reg, data);
+
+ return 0;
+}
+
+/*
+ * m88ds3103b demod has an internal device related to clocking. First the i2c
+ * gate must be opened, for two transactions, then reads will be allowed.
+ */
+static int m88ds3103b_dt_read(struct m88ds3103_dev *dev, u8 reg)
+{
+ struct i2c_client *client = dev->client;
+ int ret;
+ u8 val;
+ u8 b0[] = { reg };
+ u8 b1[] = { 0 };
+ struct i2c_msg msg[] = {
+ {
+ .addr = dev->dt_addr,
+ .flags = 0,
+ .buf = b0,
+ .len = 1
+ },
+ {
+ .addr = dev->dt_addr,
+ .flags = I2C_M_RD,
+ .buf = b1,
+ .len = 1
+ }
+ };
+
+ m88ds3103_update_bits(dev, 0x11, 0x01, 0x00);
+
+ val = 0x12;
+ ret = regmap_write(dev->regmap, 0x03, val);
+ if (ret)
+ dev_dbg(&client->dev, "fail=%d\n", ret);
+
+ ret = i2c_transfer(dev->dt_client->adapter, msg, 2);
+ if (ret != 2) {
+ dev_err(&client->dev, "0x%02x (ret=%d, reg=0x%02x)\n",
+ dev->dt_addr, ret, reg);
+
+ m88ds3103_update_bits(dev, 0x11, 0x01, 0x01);
+ return -EREMOTEIO;
+ }
+ m88ds3103_update_bits(dev, 0x11, 0x01, 0x01);
+
+ dev_dbg(&client->dev, "0x%02x reg 0x%02x, value 0x%02x\n",
+ dev->dt_addr, reg, b1[0]);
+
+ return b1[0];
+}
+
+/*
+ * Get the demodulator AGC PWM voltage setting supplied to the tuner.
+ */
+int m88ds3103_get_agc_pwm(struct dvb_frontend *fe, u8 *_agc_pwm)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ unsigned tmp;
+ int ret;
+
+ ret = regmap_read(dev->regmap, 0x3f, &tmp);
+ if (ret == 0)
+ *_agc_pwm = tmp;
+ return ret;
+}
+EXPORT_SYMBOL(m88ds3103_get_agc_pwm);
+
+static int m88ds3103_read_status(struct dvb_frontend *fe,
+ enum fe_status *status)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret, i, itmp;
+ unsigned int utmp;
+ u8 buf[3];
+
+ *status = 0;
+
+ if (!dev->warm) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ switch (c->delivery_system) {
+ case SYS_DVBS:
+ ret = regmap_read(dev->regmap, 0xd1, &utmp);
+ if (ret)
+ goto err;
+
+ if ((utmp & 0x07) == 0x07)
+ *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+ FE_HAS_VITERBI | FE_HAS_SYNC |
+ FE_HAS_LOCK;
+ break;
+ case SYS_DVBS2:
+ ret = regmap_read(dev->regmap, 0x0d, &utmp);
+ if (ret)
+ goto err;
+
+ if ((utmp & 0x8f) == 0x8f)
+ *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+ FE_HAS_VITERBI | FE_HAS_SYNC |
+ FE_HAS_LOCK;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid delivery_system\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ dev->fe_status = *status;
+ dev_dbg(&client->dev, "lock=%02x status=%02x\n", utmp, *status);
+
+ /* CNR */
+ if (dev->fe_status & FE_HAS_VITERBI) {
+ unsigned int cnr, noise, signal, noise_tot, signal_tot;
+
+ cnr = 0;
+ /* more iterations for more accurate estimation */
+ #define M88DS3103_SNR_ITERATIONS 3
+
+ switch (c->delivery_system) {
+ case SYS_DVBS:
+ itmp = 0;
+
+ for (i = 0; i < M88DS3103_SNR_ITERATIONS; i++) {
+ ret = regmap_read(dev->regmap, 0xff, &utmp);
+ if (ret)
+ goto err;
+
+ itmp += utmp;
+ }
+
+ /* use of single register limits max value to 15 dB */
+ /* SNR(X) dB = 10 * ln(X) / ln(10) dB */
+ itmp = DIV_ROUND_CLOSEST(itmp, 8 * M88DS3103_SNR_ITERATIONS);
+ if (itmp)
+ cnr = div_u64((u64) 10000 * intlog2(itmp), intlog2(10));
+ break;
+ case SYS_DVBS2:
+ noise_tot = 0;
+ signal_tot = 0;
+
+ for (i = 0; i < M88DS3103_SNR_ITERATIONS; i++) {
+ ret = regmap_bulk_read(dev->regmap, 0x8c, buf, 3);
+ if (ret)
+ goto err;
+
+ noise = buf[1] << 6; /* [13:6] */
+ noise |= buf[0] & 0x3f; /* [5:0] */
+ noise >>= 2;
+ signal = buf[2] * buf[2];
+ signal >>= 1;
+
+ noise_tot += noise;
+ signal_tot += signal;
+ }
+
+ noise = noise_tot / M88DS3103_SNR_ITERATIONS;
+ signal = signal_tot / M88DS3103_SNR_ITERATIONS;
+
+ /* SNR(X) dB = 10 * log10(X) dB */
+ if (signal > noise) {
+ itmp = signal / noise;
+ cnr = div_u64((u64) 10000 * intlog10(itmp), (1 << 24));
+ }
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid delivery_system\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (cnr) {
+ c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+ c->cnr.stat[0].svalue = cnr;
+ } else {
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
+ } else {
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
+
+ /* BER */
+ if (dev->fe_status & FE_HAS_LOCK) {
+ unsigned int utmp, post_bit_error, post_bit_count;
+
+ switch (c->delivery_system) {
+ case SYS_DVBS:
+ ret = regmap_write(dev->regmap, 0xf9, 0x04);
+ if (ret)
+ goto err;
+
+ ret = regmap_read(dev->regmap, 0xf8, &utmp);
+ if (ret)
+ goto err;
+
+ /* measurement ready? */
+ if (!(utmp & 0x10)) {
+ ret = regmap_bulk_read(dev->regmap, 0xf6, buf, 2);
+ if (ret)
+ goto err;
+
+ post_bit_error = buf[1] << 8 | buf[0] << 0;
+ post_bit_count = 0x800000;
+ dev->post_bit_error += post_bit_error;
+ dev->post_bit_count += post_bit_count;
+ dev->dvbv3_ber = post_bit_error;
+
+ /* restart measurement */
+ utmp |= 0x10;
+ ret = regmap_write(dev->regmap, 0xf8, utmp);
+ if (ret)
+ goto err;
+ }
+ break;
+ case SYS_DVBS2:
+ ret = regmap_bulk_read(dev->regmap, 0xd5, buf, 3);
+ if (ret)
+ goto err;
+
+ utmp = buf[2] << 16 | buf[1] << 8 | buf[0] << 0;
+
+ /* enough data? */
+ if (utmp > 4000) {
+ ret = regmap_bulk_read(dev->regmap, 0xf7, buf, 2);
+ if (ret)
+ goto err;
+
+ post_bit_error = buf[1] << 8 | buf[0] << 0;
+ post_bit_count = 32 * utmp; /* TODO: FEC */
+ dev->post_bit_error += post_bit_error;
+ dev->post_bit_count += post_bit_count;
+ dev->dvbv3_ber = post_bit_error;
+
+ /* restart measurement */
+ ret = regmap_write(dev->regmap, 0xd1, 0x01);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0xf9, 0x01);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0xf9, 0x00);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0xd1, 0x00);
+ if (ret)
+ goto err;
+ }
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid delivery_system\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_error.stat[0].uvalue = dev->post_bit_error;
+ c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_count.stat[0].uvalue = dev->post_bit_count;
+ } else {
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88ds3103b_select_mclk(struct m88ds3103_dev *dev)
+{
+ struct i2c_client *client = dev->client;
+ struct dtv_frontend_properties *c = &dev->fe.dtv_property_cache;
+ 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;
+ u32 old_setting = dev->mclk;
+ u32 tuner_freq_MHz = c->frequency / 1000;
+ u8 i;
+ char big_symbol = 0;
+
+ big_symbol = (c->symbol_rate > 45010000) ? 1 : 0;
+
+ if (big_symbol) {
+ reg16 = 115;
+ } else {
+ reg16 = 96;
+
+ /* TODO: IS THIS NECESSARY ? */
+ 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];
+ dev->mclk = adc_Freq_MHz[i] * 1000 * 1000;
+
+ if (big_symbol)
+ dev->mclk /= 2;
+
+ dev_dbg(&client->dev, "modifying mclk %u -> %u\n",
+ old_setting, dev->mclk);
+ }
+ }
+ }
+
+ if (dev->mclk == 93000000)
+ regmap_write(dev->regmap, 0xA0, 0x42);
+ else if (dev->mclk == 96000000)
+ regmap_write(dev->regmap, 0xA0, 0x44);
+ else if (dev->mclk == 99000000)
+ regmap_write(dev->regmap, 0xA0, 0x46);
+ else if (dev->mclk == 110250000)
+ regmap_write(dev->regmap, 0xA0, 0x4E);
+ else
+ regmap_write(dev->regmap, 0xA0, 0x44);
+
+ reg15 = m88ds3103b_dt_read(dev, 0x15);
+
+ m88ds3103b_dt_write(dev, 0x05, 0x40);
+ m88ds3103b_dt_write(dev, 0x11, 0x08);
+
+ if (big_symbol)
+ reg15 |= 0x02;
+ else
+ reg15 &= ~0x02;
+
+ m88ds3103b_dt_write(dev, 0x15, reg15);
+ m88ds3103b_dt_write(dev, 0x16, reg16);
+
+ usleep_range(5000, 5500);
+
+ m88ds3103b_dt_write(dev, 0x05, 0x00);
+ m88ds3103b_dt_write(dev, 0x11, (u8)(big_symbol ? 0x0E : 0x0A));
+
+ usleep_range(5000, 5500);
+
+ return 0;
+}
+
+static int m88ds3103b_set_mclk(struct m88ds3103_dev *dev, u32 mclk_khz)
+{
+ u8 reg15, reg16, reg1D, reg1E, reg1F, tmp;
+ u8 sm, f0 = 0, f1 = 0, f2 = 0, f3 = 0;
+ u16 pll_div_fb, N;
+ u32 div;
+
+ reg15 = m88ds3103b_dt_read(dev, 0x15);
+ reg16 = m88ds3103b_dt_read(dev, 0x16);
+ reg1D = m88ds3103b_dt_read(dev, 0x1D);
+
+ if (dev->cfg->ts_mode != M88DS3103_TS_SERIAL) {
+ 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;
+
+ if (dev->cfg->ts_mode == M88DS3103_TS_SERIAL) {
+ if (div <= 32) {
+ N = 2;
+
+ f0 = 0;
+ f1 = div / N;
+ f2 = div - f1;
+ f3 = 0;
+ } else if (div <= 34) {
+ 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 < 8) && (f0 != 0))
+ f0 = 8;
+
+ if (f1 == 16)
+ f1 = 0;
+ else if ((f1 < 8) && (f1 != 0))
+ f1 = 8;
+
+ if (f2 == 16)
+ f2 = 0;
+ else if ((f2 < 8) && (f2 != 0))
+ f2 = 8;
+
+ if (f3 == 16)
+ f3 = 0;
+ else if ((f3 < 8) && (f3 != 0))
+ f3 = 8;
+ } else {
+ 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;
+
+ /* Write to registers */
+ //reg15 &= 0x01;
+ //reg15 |= (pll_div_fb >> 8) & 0x01;
+
+ //reg16 = pll_div_fb & 0xFF;
+
+ reg1D &= ~0x03;
+ reg1D |= sm;
+ reg1D |= 0x80;
+
+ reg1E = ((f3 << 4) + f2) & 0xFF;
+ reg1F = ((f1 << 4) + f0) & 0xFF;
+
+ m88ds3103b_dt_write(dev, 0x05, 0x40);
+ m88ds3103b_dt_write(dev, 0x11, 0x08);
+ m88ds3103b_dt_write(dev, 0x1D, reg1D);
+ m88ds3103b_dt_write(dev, 0x1E, reg1E);
+ m88ds3103b_dt_write(dev, 0x1F, reg1F);
+
+ m88ds3103b_dt_write(dev, 0x17, 0xc1);
+ m88ds3103b_dt_write(dev, 0x17, 0x81);
+
+ usleep_range(5000, 5500);
+
+ m88ds3103b_dt_write(dev, 0x05, 0x00);
+ m88ds3103b_dt_write(dev, 0x11, 0x0A);
+
+ usleep_range(5000, 5500);
+
+ return 0;
+}
+
+static int m88ds3103_set_frontend(struct dvb_frontend *fe)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret, len;
+ const struct m88ds3103_reg_val *init;
+ u8 u8tmp, u8tmp1 = 0, u8tmp2 = 0; /* silence compiler warning */
+ u8 buf[3];
+ u16 u16tmp;
+ u32 tuner_frequency_khz, target_mclk, u32tmp;
+ s32 s32tmp;
+ static const struct reg_sequence reset_buf[] = {
+ {0x07, 0x80}, {0x07, 0x00}
+ };
+
+ dev_dbg(&client->dev,
+ "delivery_system=%d modulation=%d frequency=%u symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
+ c->delivery_system, c->modulation, c->frequency, c->symbol_rate,
+ c->inversion, c->pilot, c->rolloff);
+
+ if (!dev->warm) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ /* reset */
+ ret = regmap_multi_reg_write(dev->regmap, reset_buf, 2);
+ if (ret)
+ goto err;
+
+ /* Disable demod clock path */
+ if (dev->chip_id == M88RS6000_CHIP_ID) {
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B) {
+ ret = regmap_read(dev->regmap, 0xb2, &u32tmp);
+ if (ret)
+ goto err;
+ if (u32tmp == 0x01) {
+ ret = regmap_write(dev->regmap, 0x00, 0x00);
+ if (ret)
+ goto err;
+ ret = regmap_write(dev->regmap, 0xb2, 0x00);
+ if (ret)
+ goto err;
+ }
+ }
+
+ ret = regmap_write(dev->regmap, 0x06, 0xe0);
+ if (ret)
+ goto err;
+ }
+
+ /* program tuner */
+ if (fe->ops.tuner_ops.set_params) {
+ ret = fe->ops.tuner_ops.set_params(fe);
+ if (ret)
+ goto err;
+ }
+
+ if (fe->ops.tuner_ops.get_frequency) {
+ ret = fe->ops.tuner_ops.get_frequency(fe, &tuner_frequency_khz);
+ if (ret)
+ goto err;
+ } else {
+ /*
+ * Use nominal target frequency as tuner driver does not provide
+ * actual frequency used. Carrier offset calculation is not
+ * valid.
+ */
+ tuner_frequency_khz = c->frequency;
+ }
+
+ /* set M88RS6000/DS3103B demod main mclk and ts mclk from tuner die */
+ if (dev->chip_id == M88RS6000_CHIP_ID) {
+ if (c->symbol_rate > 45010000)
+ dev->mclk = 110250000;
+ else
+ dev->mclk = 96000000;
+
+ if (c->delivery_system == SYS_DVBS)
+ target_mclk = 96000000;
+ else
+ target_mclk = 144000000;
+
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B) {
+ m88ds3103b_select_mclk(dev);
+ m88ds3103b_set_mclk(dev, target_mclk / 1000);
+ }
+
+ /* Enable demod clock path */
+ ret = regmap_write(dev->regmap, 0x06, 0x00);
+ if (ret)
+ goto err;
+ usleep_range(10000, 20000);
+ } else {
+ /* set M88DS3103 mclk and ts mclk. */
+ dev->mclk = 96000000;
+
+ switch (dev->cfg->ts_mode) {
+ case M88DS3103_TS_SERIAL:
+ case M88DS3103_TS_SERIAL_D7:
+ target_mclk = dev->cfg->ts_clk;
+ break;
+ case M88DS3103_TS_PARALLEL:
+ case M88DS3103_TS_CI:
+ if (c->delivery_system == SYS_DVBS)
+ target_mclk = 96000000;
+ else {
+ if (c->symbol_rate < 18000000)
+ target_mclk = 96000000;
+ else if (c->symbol_rate < 28000000)
+ target_mclk = 144000000;
+ else
+ target_mclk = 192000000;
+ }
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid ts_mode\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ switch (target_mclk) {
+ case 96000000:
+ u8tmp1 = 0x02; /* 0b10 */
+ u8tmp2 = 0x01; /* 0b01 */
+ break;
+ case 144000000:
+ u8tmp1 = 0x00; /* 0b00 */
+ u8tmp2 = 0x01; /* 0b01 */
+ break;
+ case 192000000:
+ u8tmp1 = 0x03; /* 0b11 */
+ u8tmp2 = 0x00; /* 0b00 */
+ break;
+ }
+ ret = m88ds3103_update_bits(dev, 0x22, 0xc0, u8tmp1 << 6);
+ if (ret)
+ goto err;
+ ret = m88ds3103_update_bits(dev, 0x24, 0xc0, u8tmp2 << 6);
+ if (ret)
+ goto err;
+ }
+
+ ret = regmap_write(dev->regmap, 0xb2, 0x01);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0x00, 0x01);
+ if (ret)
+ goto err;
+
+ switch (c->delivery_system) {
+ case SYS_DVBS:
+ if (dev->chip_id == M88RS6000_CHIP_ID) {
+ len = ARRAY_SIZE(m88rs6000_dvbs_init_reg_vals);
+ init = m88rs6000_dvbs_init_reg_vals;
+ } else {
+ len = ARRAY_SIZE(m88ds3103_dvbs_init_reg_vals);
+ init = m88ds3103_dvbs_init_reg_vals;
+ }
+ break;
+ case SYS_DVBS2:
+ if (dev->chip_id == M88RS6000_CHIP_ID) {
+ len = ARRAY_SIZE(m88rs6000_dvbs2_init_reg_vals);
+ init = m88rs6000_dvbs2_init_reg_vals;
+ } else {
+ len = ARRAY_SIZE(m88ds3103_dvbs2_init_reg_vals);
+ init = m88ds3103_dvbs2_init_reg_vals;
+ }
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid delivery_system\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* program init table */
+ if (c->delivery_system != dev->delivery_system) {
+ ret = m88ds3103_wr_reg_val_tab(dev, init, len);
+ if (ret)
+ goto err;
+ }
+
+ if (dev->chip_id == M88RS6000_CHIP_ID) {
+ if (c->delivery_system == SYS_DVBS2 &&
+ c->symbol_rate <= 5000000) {
+ ret = regmap_write(dev->regmap, 0xc0, 0x04);
+ if (ret)
+ goto err;
+ buf[0] = 0x09;
+ buf[1] = 0x22;
+ buf[2] = 0x88;
+ ret = regmap_bulk_write(dev->regmap, 0x8a, buf, 3);
+ if (ret)
+ goto err;
+ }
+ ret = m88ds3103_update_bits(dev, 0x9d, 0x08, 0x08);
+ if (ret)
+ goto err;
+
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B) {
+ buf[0] = m88ds3103b_dt_read(dev, 0x15);
+ buf[1] = m88ds3103b_dt_read(dev, 0x16);
+
+ if (c->symbol_rate > 45010000) {
+ buf[0] &= ~0x03;
+ buf[0] |= 0x02;
+ buf[0] |= ((147 - 32) >> 8) & 0x01;
+ buf[1] = (147 - 32) & 0xFF;
+
+ dev->mclk = 110250 * 1000;
+ } else {
+ buf[0] &= ~0x03;
+ buf[0] |= ((128 - 32) >> 8) & 0x01;
+ buf[1] = (128 - 32) & 0xFF;
+
+ dev->mclk = 96000 * 1000;
+ }
+ m88ds3103b_dt_write(dev, 0x15, buf[0]);
+ m88ds3103b_dt_write(dev, 0x16, buf[1]);
+
+ regmap_read(dev->regmap, 0x30, &u32tmp);
+ u32tmp &= ~0x80;
+ regmap_write(dev->regmap, 0x30, u32tmp & 0xff);
+ }
+
+ ret = regmap_write(dev->regmap, 0xf1, 0x01);
+ if (ret)
+ goto err;
+
+ if (dev->chiptype != M88DS3103_CHIPTYPE_3103B) {
+ ret = m88ds3103_update_bits(dev, 0x30, 0x80, 0x80);
+ if (ret)
+ goto err;
+ }
+ }
+
+ switch (dev->cfg->ts_mode) {
+ case M88DS3103_TS_SERIAL:
+ u8tmp1 = 0x00;
+ u8tmp = 0x06;
+ break;
+ case M88DS3103_TS_SERIAL_D7:
+ u8tmp1 = 0x20;
+ u8tmp = 0x06;
+ break;
+ case M88DS3103_TS_PARALLEL:
+ u8tmp = 0x02;
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B) {
+ u8tmp = 0x01;
+ u8tmp1 = 0x01;
+ }
+ break;
+ case M88DS3103_TS_CI:
+ u8tmp = 0x03;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid ts_mode\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (dev->cfg->ts_clk_pol)
+ u8tmp |= 0x40;
+
+ /* TS mode */
+ ret = regmap_write(dev->regmap, 0xfd, u8tmp);
+ if (ret)
+ goto err;
+
+ switch (dev->cfg->ts_mode) {
+ case M88DS3103_TS_SERIAL:
+ case M88DS3103_TS_SERIAL_D7:
+ ret = m88ds3103_update_bits(dev, 0x29, 0x20, u8tmp1);
+ if (ret)
+ goto err;
+ u16tmp = 0;
+ u8tmp1 = 0x3f;
+ u8tmp2 = 0x3f;
+ break;
+ case M88DS3103_TS_PARALLEL:
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B) {
+ ret = m88ds3103_update_bits(dev, 0x29, 0x01, u8tmp1);
+ if (ret)
+ goto err;
+ }
+ fallthrough;
+ default:
+ u16tmp = DIV_ROUND_UP(target_mclk, dev->cfg->ts_clk);
+ u8tmp1 = u16tmp / 2 - 1;
+ u8tmp2 = DIV_ROUND_UP(u16tmp, 2) - 1;
+ }
+
+ dev_dbg(&client->dev, "target_mclk=%u ts_clk=%u ts_clk_divide_ratio=%u\n",
+ target_mclk, dev->cfg->ts_clk, u16tmp);
+
+ /* u8tmp1[5:2] => fe[3:0], u8tmp1[1:0] => ea[7:6] */
+ /* u8tmp2[5:0] => ea[5:0] */
+ u8tmp = (u8tmp1 >> 2) & 0x0f;
+ ret = regmap_update_bits(dev->regmap, 0xfe, 0x0f, u8tmp);
+ if (ret)
+ goto err;
+ u8tmp = ((u8tmp1 & 0x03) << 6) | u8tmp2 >> 0;
+ ret = regmap_write(dev->regmap, 0xea, u8tmp);
+ if (ret)
+ goto err;
+
+ if (c->symbol_rate <= 3000000)
+ u8tmp = 0x20;
+ else if (c->symbol_rate <= 10000000)
+ u8tmp = 0x10;
+ else
+ u8tmp = 0x06;
+
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B)
+ m88ds3103b_set_mclk(dev, target_mclk / 1000);
+
+ ret = regmap_write(dev->regmap, 0xc3, 0x08);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0xc8, u8tmp);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0xc4, 0x08);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0xc7, 0x00);
+ if (ret)
+ goto err;
+
+ u16tmp = DIV_ROUND_CLOSEST_ULL((u64)c->symbol_rate * 0x10000, dev->mclk);
+ buf[0] = (u16tmp >> 0) & 0xff;
+ buf[1] = (u16tmp >> 8) & 0xff;
+ ret = regmap_bulk_write(dev->regmap, 0x61, buf, 2);
+ if (ret)
+ goto err;
+
+ ret = m88ds3103_update_bits(dev, 0x4d, 0x02, dev->cfg->spec_inv << 1);
+ if (ret)
+ goto err;
+
+ ret = m88ds3103_update_bits(dev, 0x30, 0x10, dev->cfg->agc_inv << 4);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0x33, dev->cfg->agc);
+ if (ret)
+ goto err;
+
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B) {
+ /* enable/disable 192M LDPC clock */
+ ret = m88ds3103_update_bits(dev, 0x29, 0x10,
+ (c->delivery_system == SYS_DVBS) ? 0x10 : 0x0);
+ if (ret)
+ goto err;
+
+ ret = m88ds3103_update_bits(dev, 0xc9, 0x08, 0x08);
+ if (ret)
+ goto err;
+ }
+
+ dev_dbg(&client->dev, "carrier offset=%d\n",
+ (tuner_frequency_khz - c->frequency));
+
+ /* Use 32-bit calc as there is no s64 version of DIV_ROUND_CLOSEST() */
+ s32tmp = 0x10000 * (tuner_frequency_khz - c->frequency);
+ s32tmp = DIV_ROUND_CLOSEST(s32tmp, dev->mclk / 1000);
+ buf[0] = (s32tmp >> 0) & 0xff;
+ buf[1] = (s32tmp >> 8) & 0xff;
+ ret = regmap_bulk_write(dev->regmap, 0x5e, buf, 2);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0x00, 0x00);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0xb2, 0x00);
+ if (ret)
+ goto err;
+
+ dev->delivery_system = c->delivery_system;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88ds3103_init(struct dvb_frontend *fe)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret, len, rem;
+ unsigned int utmp;
+ const struct firmware *firmware;
+ const char *name;
+
+ dev_dbg(&client->dev, "\n");
+
+ /* set cold state by default */
+ dev->warm = false;
+
+ /* wake up device from sleep */
+ ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x01);
+ if (ret)
+ goto err;
+ ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x00);
+ if (ret)
+ goto err;
+ ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x00);
+ if (ret)
+ goto err;
+
+ /* firmware status */
+ ret = regmap_read(dev->regmap, 0xb9, &utmp);
+ if (ret)
+ goto err;
+
+ dev_dbg(&client->dev, "firmware=%02x\n", utmp);
+
+ if (utmp)
+ goto warm;
+
+ /* global reset, global diseqc reset, global fec reset */
+ ret = regmap_write(dev->regmap, 0x07, 0xe0);
+ if (ret)
+ goto err;
+ ret = regmap_write(dev->regmap, 0x07, 0x00);
+ if (ret)
+ goto err;
+
+ /* cold state - try to download firmware */
+ dev_info(&client->dev, "found a '%s' in cold state\n",
+ dev->fe.ops.info.name);
+
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B)
+ name = M88DS3103B_FIRMWARE;
+ else if (dev->chip_id == M88RS6000_CHIP_ID)
+ name = M88RS6000_FIRMWARE;
+ else
+ name = M88DS3103_FIRMWARE;
+
+ /* request the firmware, this will block and timeout */
+ ret = request_firmware(&firmware, name, &client->dev);
+ if (ret) {
+ dev_err(&client->dev, "firmware file '%s' not found\n", name);
+ goto err;
+ }
+
+ dev_info(&client->dev, "downloading firmware from file '%s'\n", name);
+
+ ret = regmap_write(dev->regmap, 0xb2, 0x01);
+ if (ret)
+ goto err_release_firmware;
+
+ for (rem = firmware->size; rem > 0; rem -= (dev->cfg->i2c_wr_max - 1)) {
+ len = min(dev->cfg->i2c_wr_max - 1, rem);
+ ret = regmap_bulk_write(dev->regmap, 0xb0,
+ &firmware->data[firmware->size - rem],
+ len);
+ if (ret) {
+ dev_err(&client->dev, "firmware download failed %d\n",
+ ret);
+ goto err_release_firmware;
+ }
+ }
+
+ ret = regmap_write(dev->regmap, 0xb2, 0x00);
+ if (ret)
+ goto err_release_firmware;
+
+ release_firmware(firmware);
+
+ ret = regmap_read(dev->regmap, 0xb9, &utmp);
+ if (ret)
+ goto err;
+
+ if (!utmp) {
+ ret = -EINVAL;
+ dev_info(&client->dev, "firmware did not run\n");
+ goto err;
+ }
+
+ dev_info(&client->dev, "found a '%s' in warm state\n",
+ dev->fe.ops.info.name);
+ dev_info(&client->dev, "firmware version: %X.%X\n",
+ (utmp >> 4) & 0xf, (utmp >> 0 & 0xf));
+
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B) {
+ m88ds3103b_dt_write(dev, 0x21, 0x92);
+ m88ds3103b_dt_write(dev, 0x15, 0x6C);
+ m88ds3103b_dt_write(dev, 0x17, 0xC1);
+ m88ds3103b_dt_write(dev, 0x17, 0x81);
+ }
+warm:
+ /* warm state */
+ dev->warm = true;
+
+ /* init stats here in order signal app which stats are supported */
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ return 0;
+err_release_firmware:
+ release_firmware(firmware);
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88ds3103_sleep(struct dvb_frontend *fe)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+ int ret;
+ unsigned int utmp;
+
+ dev_dbg(&client->dev, "\n");
+
+ dev->fe_status = 0;
+ dev->delivery_system = SYS_UNDEFINED;
+
+ /* TS Hi-Z */
+ if (dev->chip_id == M88RS6000_CHIP_ID)
+ utmp = 0x29;
+ else
+ utmp = 0x27;
+ ret = m88ds3103_update_bits(dev, utmp, 0x01, 0x00);
+ if (ret)
+ goto err;
+
+ /* sleep */
+ ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x00);
+ if (ret)
+ goto err;
+ ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x01);
+ if (ret)
+ goto err;
+ ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x10);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88ds3103_get_frontend(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *c)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+ int ret;
+ u8 buf[3];
+
+ dev_dbg(&client->dev, "\n");
+
+ if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
+ ret = 0;
+ goto err;
+ }
+
+ switch (c->delivery_system) {
+ case SYS_DVBS:
+ ret = regmap_bulk_read(dev->regmap, 0xe0, &buf[0], 1);
+ if (ret)
+ goto err;
+
+ ret = regmap_bulk_read(dev->regmap, 0xe6, &buf[1], 1);
+ if (ret)
+ goto err;
+
+ switch ((buf[0] >> 2) & 0x01) {
+ case 0:
+ c->inversion = INVERSION_OFF;
+ break;
+ case 1:
+ c->inversion = INVERSION_ON;
+ break;
+ }
+
+ switch ((buf[1] >> 5) & 0x07) {
+ case 0:
+ c->fec_inner = FEC_7_8;
+ break;
+ case 1:
+ c->fec_inner = FEC_5_6;
+ break;
+ case 2:
+ c->fec_inner = FEC_3_4;
+ break;
+ case 3:
+ c->fec_inner = FEC_2_3;
+ break;
+ case 4:
+ c->fec_inner = FEC_1_2;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid fec_inner\n");
+ }
+
+ c->modulation = QPSK;
+
+ break;
+ case SYS_DVBS2:
+ ret = regmap_bulk_read(dev->regmap, 0x7e, &buf[0], 1);
+ if (ret)
+ goto err;
+
+ ret = regmap_bulk_read(dev->regmap, 0x89, &buf[1], 1);
+ if (ret)
+ goto err;
+
+ ret = regmap_bulk_read(dev->regmap, 0xf2, &buf[2], 1);
+ if (ret)
+ goto err;
+
+ switch ((buf[0] >> 0) & 0x0f) {
+ case 2:
+ c->fec_inner = FEC_2_5;
+ break;
+ case 3:
+ c->fec_inner = FEC_1_2;
+ break;
+ case 4:
+ c->fec_inner = FEC_3_5;
+ break;
+ case 5:
+ c->fec_inner = FEC_2_3;
+ break;
+ case 6:
+ c->fec_inner = FEC_3_4;
+ break;
+ case 7:
+ c->fec_inner = FEC_4_5;
+ break;
+ case 8:
+ c->fec_inner = FEC_5_6;
+ break;
+ case 9:
+ c->fec_inner = FEC_8_9;
+ break;
+ case 10:
+ c->fec_inner = FEC_9_10;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid fec_inner\n");
+ }
+
+ switch ((buf[0] >> 5) & 0x01) {
+ case 0:
+ c->pilot = PILOT_OFF;
+ break;
+ case 1:
+ c->pilot = PILOT_ON;
+ break;
+ }
+
+ switch ((buf[0] >> 6) & 0x07) {
+ case 0:
+ c->modulation = QPSK;
+ break;
+ case 1:
+ c->modulation = PSK_8;
+ break;
+ case 2:
+ c->modulation = APSK_16;
+ break;
+ case 3:
+ c->modulation = APSK_32;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid modulation\n");
+ }
+
+ switch ((buf[1] >> 7) & 0x01) {
+ case 0:
+ c->inversion = INVERSION_OFF;
+ break;
+ case 1:
+ c->inversion = INVERSION_ON;
+ break;
+ }
+
+ switch ((buf[2] >> 0) & 0x03) {
+ case 0:
+ c->rolloff = ROLLOFF_35;
+ break;
+ case 1:
+ c->rolloff = ROLLOFF_25;
+ break;
+ case 2:
+ c->rolloff = ROLLOFF_20;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid rolloff\n");
+ }
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid delivery_system\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = regmap_bulk_read(dev->regmap, 0x6d, buf, 2);
+ if (ret)
+ goto err;
+
+ c->symbol_rate = DIV_ROUND_CLOSEST_ULL((u64)(buf[1] << 8 | buf[0] << 0) * dev->mclk, 0x10000);
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88ds3103_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+ if (c->cnr.stat[0].scale == FE_SCALE_DECIBEL)
+ *snr = div_s64(c->cnr.stat[0].svalue, 100);
+ else
+ *snr = 0;
+
+ return 0;
+}
+
+static int m88ds3103_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+
+ *ber = dev->dvbv3_ber;
+
+ return 0;
+}
+
+static int m88ds3103_set_tone(struct dvb_frontend *fe,
+ enum fe_sec_tone_mode fe_sec_tone_mode)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+ int ret;
+ unsigned int utmp, tone, reg_a1_mask;
+
+ dev_dbg(&client->dev, "fe_sec_tone_mode=%d\n", fe_sec_tone_mode);
+
+ if (!dev->warm) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ switch (fe_sec_tone_mode) {
+ case SEC_TONE_ON:
+ tone = 0;
+ reg_a1_mask = 0x47;
+ break;
+ case SEC_TONE_OFF:
+ tone = 1;
+ reg_a1_mask = 0x00;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid fe_sec_tone_mode\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ utmp = tone << 7 | dev->cfg->envelope_mode << 5;
+ ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp);
+ if (ret)
+ goto err;
+
+ utmp = 1 << 2;
+ ret = m88ds3103_update_bits(dev, 0xa1, reg_a1_mask, utmp);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88ds3103_set_voltage(struct dvb_frontend *fe,
+ enum fe_sec_voltage fe_sec_voltage)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+ int ret;
+ unsigned int utmp;
+ bool voltage_sel, voltage_dis;
+
+ dev_dbg(&client->dev, "fe_sec_voltage=%d\n", fe_sec_voltage);
+
+ if (!dev->warm) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ switch (fe_sec_voltage) {
+ case SEC_VOLTAGE_18:
+ voltage_sel = true;
+ voltage_dis = false;
+ break;
+ case SEC_VOLTAGE_13:
+ voltage_sel = false;
+ voltage_dis = false;
+ break;
+ case SEC_VOLTAGE_OFF:
+ voltage_sel = false;
+ voltage_dis = true;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid fe_sec_voltage\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* output pin polarity */
+ voltage_sel ^= dev->cfg->lnb_hv_pol;
+ voltage_dis ^= dev->cfg->lnb_en_pol;
+
+ utmp = voltage_dis << 1 | voltage_sel << 0;
+ ret = m88ds3103_update_bits(dev, 0xa2, 0x03, utmp);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88ds3103_diseqc_send_master_cmd(struct dvb_frontend *fe,
+ struct dvb_diseqc_master_cmd *diseqc_cmd)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+ int ret;
+ unsigned int utmp;
+ unsigned long timeout;
+
+ dev_dbg(&client->dev, "msg=%*ph\n",
+ diseqc_cmd->msg_len, diseqc_cmd->msg);
+
+ if (!dev->warm) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ utmp = dev->cfg->envelope_mode << 5;
+ ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp);
+ if (ret)
+ goto err;
+
+ ret = regmap_bulk_write(dev->regmap, 0xa3, diseqc_cmd->msg,
+ diseqc_cmd->msg_len);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(dev->regmap, 0xa1,
+ (diseqc_cmd->msg_len - 1) << 3 | 0x07);
+ if (ret)
+ goto err;
+
+ /* wait DiSEqC TX ready */
+ #define SEND_MASTER_CMD_TIMEOUT 120
+ timeout = jiffies + msecs_to_jiffies(SEND_MASTER_CMD_TIMEOUT);
+
+ /* DiSEqC message period is 13.5 ms per byte */
+ utmp = diseqc_cmd->msg_len * 13500;
+ usleep_range(utmp - 4000, utmp);
+
+ for (utmp = 1; !time_after(jiffies, timeout) && utmp;) {
+ ret = regmap_read(dev->regmap, 0xa1, &utmp);
+ if (ret)
+ goto err;
+ utmp = (utmp >> 6) & 0x1;
+ }
+
+ if (utmp == 0) {
+ dev_dbg(&client->dev, "diseqc tx took %u ms\n",
+ jiffies_to_msecs(jiffies) -
+ (jiffies_to_msecs(timeout) - SEND_MASTER_CMD_TIMEOUT));
+ } else {
+ dev_dbg(&client->dev, "diseqc tx timeout\n");
+
+ ret = m88ds3103_update_bits(dev, 0xa1, 0xc0, 0x40);
+ if (ret)
+ goto err;
+ }
+
+ ret = m88ds3103_update_bits(dev, 0xa2, 0xc0, 0x80);
+ if (ret)
+ goto err;
+
+ if (utmp == 1) {
+ ret = -ETIMEDOUT;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88ds3103_diseqc_send_burst(struct dvb_frontend *fe,
+ enum fe_sec_mini_cmd fe_sec_mini_cmd)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+ int ret;
+ unsigned int utmp, burst;
+ unsigned long timeout;
+
+ dev_dbg(&client->dev, "fe_sec_mini_cmd=%d\n", fe_sec_mini_cmd);
+
+ if (!dev->warm) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ utmp = dev->cfg->envelope_mode << 5;
+ ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp);
+ if (ret)
+ goto err;
+
+ switch (fe_sec_mini_cmd) {
+ case SEC_MINI_A:
+ burst = 0x02;
+ break;
+ case SEC_MINI_B:
+ burst = 0x01;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid fe_sec_mini_cmd\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = regmap_write(dev->regmap, 0xa1, burst);
+ if (ret)
+ goto err;
+
+ /* wait DiSEqC TX ready */
+ #define SEND_BURST_TIMEOUT 40
+ timeout = jiffies + msecs_to_jiffies(SEND_BURST_TIMEOUT);
+
+ /* DiSEqC ToneBurst period is 12.5 ms */
+ usleep_range(8500, 12500);
+
+ for (utmp = 1; !time_after(jiffies, timeout) && utmp;) {
+ ret = regmap_read(dev->regmap, 0xa1, &utmp);
+ if (ret)
+ goto err;
+ utmp = (utmp >> 6) & 0x1;
+ }
+
+ if (utmp == 0) {
+ dev_dbg(&client->dev, "diseqc tx took %u ms\n",
+ jiffies_to_msecs(jiffies) -
+ (jiffies_to_msecs(timeout) - SEND_BURST_TIMEOUT));
+ } else {
+ dev_dbg(&client->dev, "diseqc tx timeout\n");
+
+ ret = m88ds3103_update_bits(dev, 0xa1, 0xc0, 0x40);
+ if (ret)
+ goto err;
+ }
+
+ ret = m88ds3103_update_bits(dev, 0xa2, 0xc0, 0x80);
+ if (ret)
+ goto err;
+
+ if (utmp == 1) {
+ ret = -ETIMEDOUT;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int m88ds3103_get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *s)
+{
+ s->min_delay_ms = 3000;
+
+ return 0;
+}
+
+static void m88ds3103_release(struct dvb_frontend *fe)
+{
+ struct m88ds3103_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = dev->client;
+
+ i2c_unregister_device(client);
+}
+
+static int m88ds3103_select(struct i2c_mux_core *muxc, u32 chan)
+{
+ struct m88ds3103_dev *dev = i2c_mux_priv(muxc);
+ struct i2c_client *client = dev->client;
+ int ret;
+ struct i2c_msg msg = {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 2,
+ .buf = "\x03\x11",
+ };
+
+ /* Open tuner I2C repeater for 1 xfer, closes automatically */
+ ret = __i2c_transfer(client->adapter, &msg, 1);
+ if (ret != 1) {
+ dev_warn(&client->dev, "i2c wr failed=%d\n", ret);
+ if (ret >= 0)
+ ret = -EREMOTEIO;
+ return ret;
+ }
+
+ return 0;
+}
+
+/*
+ * XXX: That is wrapper to m88ds3103_probe() via driver core in order to provide
+ * proper I2C client for legacy media attach binding.
+ * New users must use I2C client binding directly!
+ */
+struct dvb_frontend *m88ds3103_attach(const struct m88ds3103_config *cfg,
+ struct i2c_adapter *i2c,
+ struct i2c_adapter **tuner_i2c_adapter)
+{
+ struct i2c_client *client;
+ struct i2c_board_info board_info;
+ struct m88ds3103_platform_data pdata = {};
+
+ pdata.clk = cfg->clock;
+ pdata.i2c_wr_max = cfg->i2c_wr_max;
+ pdata.ts_mode = cfg->ts_mode;
+ pdata.ts_clk = cfg->ts_clk;
+ pdata.ts_clk_pol = cfg->ts_clk_pol;
+ pdata.spec_inv = cfg->spec_inv;
+ pdata.agc = cfg->agc;
+ pdata.agc_inv = cfg->agc_inv;
+ pdata.clk_out = cfg->clock_out;
+ pdata.envelope_mode = cfg->envelope_mode;
+ pdata.lnb_hv_pol = cfg->lnb_hv_pol;
+ pdata.lnb_en_pol = cfg->lnb_en_pol;
+ pdata.attach_in_use = true;
+
+ memset(&board_info, 0, sizeof(board_info));
+ strscpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
+ board_info.addr = cfg->i2c_addr;
+ board_info.platform_data = &pdata;
+ client = i2c_new_client_device(i2c, &board_info);
+ if (!i2c_client_has_driver(client))
+ return NULL;
+
+ *tuner_i2c_adapter = pdata.get_i2c_adapter(client);
+ return pdata.get_dvb_frontend(client);
+}
+EXPORT_SYMBOL_GPL(m88ds3103_attach);
+
+static const struct dvb_frontend_ops m88ds3103_ops = {
+ .delsys = {SYS_DVBS, SYS_DVBS2},
+ .info = {
+ .name = "Montage Technology M88DS3103",
+ .frequency_min_hz = 950 * MHz,
+ .frequency_max_hz = 2150 * MHz,
+ .frequency_tolerance_hz = 5 * MHz,
+ .symbol_rate_min = 1000000,
+ .symbol_rate_max = 45000000,
+ .caps = FE_CAN_INVERSION_AUTO |
+ FE_CAN_FEC_1_2 |
+ FE_CAN_FEC_2_3 |
+ FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_4_5 |
+ FE_CAN_FEC_5_6 |
+ FE_CAN_FEC_6_7 |
+ FE_CAN_FEC_7_8 |
+ FE_CAN_FEC_8_9 |
+ FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK |
+ FE_CAN_RECOVER |
+ FE_CAN_2G_MODULATION
+ },
+
+ .release = m88ds3103_release,
+
+ .get_tune_settings = m88ds3103_get_tune_settings,
+
+ .init = m88ds3103_init,
+ .sleep = m88ds3103_sleep,
+
+ .set_frontend = m88ds3103_set_frontend,
+ .get_frontend = m88ds3103_get_frontend,
+
+ .read_status = m88ds3103_read_status,
+ .read_snr = m88ds3103_read_snr,
+ .read_ber = m88ds3103_read_ber,
+
+ .diseqc_send_master_cmd = m88ds3103_diseqc_send_master_cmd,
+ .diseqc_send_burst = m88ds3103_diseqc_send_burst,
+
+ .set_tone = m88ds3103_set_tone,
+ .set_voltage = m88ds3103_set_voltage,
+};
+
+static struct dvb_frontend *m88ds3103_get_dvb_frontend(struct i2c_client *client)
+{
+ struct m88ds3103_dev *dev = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ return &dev->fe;
+}
+
+static struct i2c_adapter *m88ds3103_get_i2c_adapter(struct i2c_client *client)
+{
+ struct m88ds3103_dev *dev = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ return dev->muxc->adapter[0];
+}
+
+static int m88ds3103_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct m88ds3103_dev *dev;
+ struct m88ds3103_platform_data *pdata = client->dev.platform_data;
+ int ret;
+ unsigned int utmp;
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ dev->client = client;
+ dev->config.clock = pdata->clk;
+ dev->config.i2c_wr_max = pdata->i2c_wr_max;
+ dev->config.ts_mode = pdata->ts_mode;
+ dev->config.ts_clk = pdata->ts_clk * 1000;
+ dev->config.ts_clk_pol = pdata->ts_clk_pol;
+ dev->config.spec_inv = pdata->spec_inv;
+ dev->config.agc_inv = pdata->agc_inv;
+ dev->config.clock_out = pdata->clk_out;
+ dev->config.envelope_mode = pdata->envelope_mode;
+ dev->config.agc = pdata->agc;
+ dev->config.lnb_hv_pol = pdata->lnb_hv_pol;
+ dev->config.lnb_en_pol = pdata->lnb_en_pol;
+ dev->cfg = &dev->config;
+ /* create regmap */
+ dev->regmap_config.reg_bits = 8;
+ dev->regmap_config.val_bits = 8;
+ dev->regmap_config.lock_arg = dev;
+ dev->regmap = devm_regmap_init_i2c(client, &dev->regmap_config);
+ if (IS_ERR(dev->regmap)) {
+ ret = PTR_ERR(dev->regmap);
+ goto err_kfree;
+ }
+
+ /* 0x00: chip id[6:0], 0x01: chip ver[7:0], 0x02: chip ver[15:8] */
+ ret = regmap_read(dev->regmap, 0x00, &utmp);
+ if (ret)
+ goto err_kfree;
+
+ dev->chip_id = utmp >> 1;
+ dev->chiptype = (u8)id->driver_data;
+
+ dev_dbg(&client->dev, "chip_id=%02x\n", dev->chip_id);
+
+ switch (dev->chip_id) {
+ case M88RS6000_CHIP_ID:
+ case M88DS3103_CHIP_ID:
+ break;
+ default:
+ ret = -ENODEV;
+ dev_err(&client->dev, "Unknown device. Chip_id=%02x\n", dev->chip_id);
+ goto err_kfree;
+ }
+
+ switch (dev->cfg->clock_out) {
+ case M88DS3103_CLOCK_OUT_DISABLED:
+ utmp = 0x80;
+ break;
+ case M88DS3103_CLOCK_OUT_ENABLED:
+ utmp = 0x00;
+ break;
+ case M88DS3103_CLOCK_OUT_ENABLED_DIV2:
+ utmp = 0x10;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err_kfree;
+ }
+
+ if (!pdata->ts_clk) {
+ ret = -EINVAL;
+ goto err_kfree;
+ }
+
+ /* 0x29 register is defined differently for m88rs6000. */
+ /* set internal tuner address to 0x21 */
+ if (dev->chip_id == M88RS6000_CHIP_ID)
+ utmp = 0x00;
+
+ ret = regmap_write(dev->regmap, 0x29, utmp);
+ if (ret)
+ goto err_kfree;
+
+ /* sleep */
+ ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x00);
+ if (ret)
+ goto err_kfree;
+ ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x01);
+ if (ret)
+ goto err_kfree;
+ ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x10);
+ if (ret)
+ goto err_kfree;
+
+ /* create mux i2c adapter for tuner */
+ dev->muxc = i2c_mux_alloc(client->adapter, &client->dev, 1, 0, 0,
+ m88ds3103_select, NULL);
+ if (!dev->muxc) {
+ ret = -ENOMEM;
+ goto err_kfree;
+ }
+ dev->muxc->priv = dev;
+ ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0);
+ if (ret)
+ goto err_kfree;
+
+ /* create dvb_frontend */
+ memcpy(&dev->fe.ops, &m88ds3103_ops, sizeof(struct dvb_frontend_ops));
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B)
+ strscpy(dev->fe.ops.info.name, "Montage Technology M88DS3103B",
+ sizeof(dev->fe.ops.info.name));
+ else if (dev->chip_id == M88RS6000_CHIP_ID)
+ strscpy(dev->fe.ops.info.name, "Montage Technology M88RS6000",
+ sizeof(dev->fe.ops.info.name));
+ if (!pdata->attach_in_use)
+ dev->fe.ops.release = NULL;
+ dev->fe.demodulator_priv = dev;
+ i2c_set_clientdata(client, dev);
+
+ /* setup callbacks */
+ pdata->get_dvb_frontend = m88ds3103_get_dvb_frontend;
+ pdata->get_i2c_adapter = m88ds3103_get_i2c_adapter;
+
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B) {
+ /* enable i2c repeater for tuner */
+ m88ds3103_update_bits(dev, 0x11, 0x01, 0x01);
+
+ /* get frontend address */
+ ret = regmap_read(dev->regmap, 0x29, &utmp);
+ if (ret)
+ goto err_del_adapters;
+ dev->dt_addr = ((utmp & 0x80) == 0) ? 0x42 >> 1 : 0x40 >> 1;
+ dev_dbg(&client->dev, "dt addr is 0x%02x\n", dev->dt_addr);
+
+ dev->dt_client = i2c_new_dummy_device(client->adapter,
+ dev->dt_addr);
+ if (IS_ERR(dev->dt_client)) {
+ ret = PTR_ERR(dev->dt_client);
+ goto err_del_adapters;
+ }
+ }
+
+ return 0;
+
+err_del_adapters:
+ i2c_mux_del_adapters(dev->muxc);
+err_kfree:
+ kfree(dev);
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static void m88ds3103_remove(struct i2c_client *client)
+{
+ struct m88ds3103_dev *dev = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ if (dev->dt_client)
+ i2c_unregister_device(dev->dt_client);
+
+ i2c_mux_del_adapters(dev->muxc);
+
+ kfree(dev);
+}
+
+static const struct i2c_device_id m88ds3103_id_table[] = {
+ {"m88ds3103", M88DS3103_CHIPTYPE_3103},
+ {"m88rs6000", M88DS3103_CHIPTYPE_RS6000},
+ {"m88ds3103b", M88DS3103_CHIPTYPE_3103B},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, m88ds3103_id_table);
+
+static struct i2c_driver m88ds3103_driver = {
+ .driver = {
+ .name = "m88ds3103",
+ .suppress_bind_attrs = true,
+ },
+ .probe = m88ds3103_probe,
+ .remove = m88ds3103_remove,
+ .id_table = m88ds3103_id_table,
+};
+
+module_i2c_driver(m88ds3103_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Montage Technology M88DS3103 DVB-S/S2 demodulator driver");
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(M88DS3103_FIRMWARE);
+MODULE_FIRMWARE(M88RS6000_FIRMWARE);
+MODULE_FIRMWARE(M88DS3103B_FIRMWARE);