summaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb-frontends/af9013.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/media/dvb-frontends/af9013.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/af9013.c')
-rw-r--r--drivers/media/dvb-frontends/af9013.c1576
1 files changed, 1576 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c
new file mode 100644
index 0000000000..a829c89792
--- /dev/null
+++ b/drivers/media/dvb-frontends/af9013.c
@@ -0,0 +1,1576 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Afatech AF9013 demodulator driver
+ *
+ * Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
+ * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
+ *
+ * Thanks to Afatech who kindly provided information.
+ */
+
+#include "af9013_priv.h"
+
+struct af9013_state {
+ struct i2c_client *client;
+ struct regmap *regmap;
+ struct i2c_mux_core *muxc;
+ struct dvb_frontend fe;
+ u32 clk;
+ u8 tuner;
+ u32 if_frequency;
+ u8 ts_mode;
+ u8 ts_output_pin;
+ bool spec_inv;
+ u8 api_version[4];
+ u8 gpio[4];
+
+ u32 bandwidth_hz;
+ enum fe_status fe_status;
+ /* RF and IF AGC limits used for signal strength calc */
+ u8 strength_en, rf_agc_50, rf_agc_80, if_agc_50, if_agc_80;
+ unsigned long set_frontend_jiffies;
+ unsigned long read_status_jiffies;
+ unsigned long strength_jiffies;
+ unsigned long cnr_jiffies;
+ unsigned long ber_ucb_jiffies;
+ u16 dvbv3_snr;
+ u16 dvbv3_strength;
+ u32 dvbv3_ber;
+ u32 dvbv3_ucblocks;
+ bool first_tune;
+};
+
+static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
+{
+ struct i2c_client *client = state->client;
+ int ret;
+ u8 pos;
+ u16 addr;
+
+ dev_dbg(&client->dev, "gpio %u, gpioval %02x\n", gpio, gpioval);
+
+ /*
+ * GPIO0 & GPIO1 0xd735
+ * GPIO2 & GPIO3 0xd736
+ */
+
+ switch (gpio) {
+ case 0:
+ case 1:
+ addr = 0xd735;
+ break;
+ case 2:
+ case 3:
+ addr = 0xd736;
+ break;
+
+ default:
+ ret = -EINVAL;
+ goto err;
+ }
+
+ switch (gpio) {
+ case 0:
+ case 2:
+ pos = 0;
+ break;
+ case 1:
+ case 3:
+ default:
+ pos = 4;
+ break;
+ }
+
+ ret = regmap_update_bits(state->regmap, addr, 0x0f << pos,
+ gpioval << pos);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *fesettings)
+{
+ fesettings->min_delay_ms = 800;
+ fesettings->step_size = 0;
+ fesettings->max_drift = 0;
+
+ return 0;
+}
+
+static int af9013_set_frontend(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret, i, sampling_freq;
+ bool auto_mode, spec_inv;
+ u8 buf[6];
+ u32 if_frequency, freq_cw;
+
+ dev_dbg(&client->dev, "frequency %u, bandwidth_hz %u\n",
+ c->frequency, c->bandwidth_hz);
+
+ /* program tuner */
+ if (fe->ops.tuner_ops.set_params) {
+ ret = fe->ops.tuner_ops.set_params(fe);
+ if (ret)
+ goto err;
+ }
+
+ /* program CFOE coefficients */
+ if (c->bandwidth_hz != state->bandwidth_hz) {
+ for (i = 0; i < ARRAY_SIZE(coeff_lut); i++) {
+ if (coeff_lut[i].clock == state->clk &&
+ coeff_lut[i].bandwidth_hz == c->bandwidth_hz) {
+ break;
+ }
+ }
+
+ /* Return an error if can't find bandwidth or the right clock */
+ if (i == ARRAY_SIZE(coeff_lut)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = regmap_bulk_write(state->regmap, 0xae00, coeff_lut[i].val,
+ sizeof(coeff_lut[i].val));
+ if (ret)
+ goto err;
+ }
+
+ /* program frequency control */
+ if (c->bandwidth_hz != state->bandwidth_hz || state->first_tune) {
+ /* get used IF frequency */
+ if (fe->ops.tuner_ops.get_if_frequency) {
+ ret = fe->ops.tuner_ops.get_if_frequency(fe,
+ &if_frequency);
+ if (ret)
+ goto err;
+ } else {
+ if_frequency = state->if_frequency;
+ }
+
+ dev_dbg(&client->dev, "if_frequency %u\n", if_frequency);
+
+ sampling_freq = if_frequency;
+
+ while (sampling_freq > (state->clk / 2))
+ sampling_freq -= state->clk;
+
+ if (sampling_freq < 0) {
+ sampling_freq *= -1;
+ spec_inv = state->spec_inv;
+ } else {
+ spec_inv = !state->spec_inv;
+ }
+
+ freq_cw = DIV_ROUND_CLOSEST_ULL((u64)sampling_freq * 0x800000,
+ state->clk);
+
+ if (spec_inv)
+ freq_cw = 0x800000 - freq_cw;
+
+ buf[0] = (freq_cw >> 0) & 0xff;
+ buf[1] = (freq_cw >> 8) & 0xff;
+ buf[2] = (freq_cw >> 16) & 0x7f;
+
+ freq_cw = 0x800000 - freq_cw;
+
+ buf[3] = (freq_cw >> 0) & 0xff;
+ buf[4] = (freq_cw >> 8) & 0xff;
+ buf[5] = (freq_cw >> 16) & 0x7f;
+
+ ret = regmap_bulk_write(state->regmap, 0xd140, buf, 3);
+ if (ret)
+ goto err;
+
+ ret = regmap_bulk_write(state->regmap, 0x9be7, buf, 6);
+ if (ret)
+ goto err;
+ }
+
+ /* clear TPS lock flag */
+ ret = regmap_update_bits(state->regmap, 0xd330, 0x08, 0x08);
+ if (ret)
+ goto err;
+
+ /* clear MPEG2 lock flag */
+ ret = regmap_update_bits(state->regmap, 0xd507, 0x40, 0x00);
+ if (ret)
+ goto err;
+
+ /* empty channel function */
+ ret = regmap_update_bits(state->regmap, 0x9bfe, 0x01, 0x00);
+ if (ret)
+ goto err;
+
+ /* empty DVB-T channel function */
+ ret = regmap_update_bits(state->regmap, 0x9bc2, 0x01, 0x00);
+ if (ret)
+ goto err;
+
+ /* transmission parameters */
+ auto_mode = false;
+ memset(buf, 0, 3);
+
+ switch (c->transmission_mode) {
+ case TRANSMISSION_MODE_AUTO:
+ auto_mode = true;
+ break;
+ case TRANSMISSION_MODE_2K:
+ break;
+ case TRANSMISSION_MODE_8K:
+ buf[0] |= (1 << 0);
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid transmission_mode\n");
+ auto_mode = true;
+ }
+
+ switch (c->guard_interval) {
+ case GUARD_INTERVAL_AUTO:
+ auto_mode = true;
+ break;
+ case GUARD_INTERVAL_1_32:
+ break;
+ case GUARD_INTERVAL_1_16:
+ buf[0] |= (1 << 2);
+ break;
+ case GUARD_INTERVAL_1_8:
+ buf[0] |= (2 << 2);
+ break;
+ case GUARD_INTERVAL_1_4:
+ buf[0] |= (3 << 2);
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid guard_interval\n");
+ auto_mode = true;
+ }
+
+ switch (c->hierarchy) {
+ case HIERARCHY_AUTO:
+ auto_mode = true;
+ break;
+ case HIERARCHY_NONE:
+ break;
+ case HIERARCHY_1:
+ buf[0] |= (1 << 4);
+ break;
+ case HIERARCHY_2:
+ buf[0] |= (2 << 4);
+ break;
+ case HIERARCHY_4:
+ buf[0] |= (3 << 4);
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid hierarchy\n");
+ auto_mode = true;
+ }
+
+ switch (c->modulation) {
+ case QAM_AUTO:
+ auto_mode = true;
+ break;
+ case QPSK:
+ break;
+ case QAM_16:
+ buf[1] |= (1 << 6);
+ break;
+ case QAM_64:
+ buf[1] |= (2 << 6);
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid modulation\n");
+ auto_mode = true;
+ }
+
+ /* Use HP. How and which case we can switch to LP? */
+ buf[1] |= (1 << 4);
+
+ switch (c->code_rate_HP) {
+ case FEC_AUTO:
+ auto_mode = true;
+ break;
+ case FEC_1_2:
+ break;
+ case FEC_2_3:
+ buf[2] |= (1 << 0);
+ break;
+ case FEC_3_4:
+ buf[2] |= (2 << 0);
+ break;
+ case FEC_5_6:
+ buf[2] |= (3 << 0);
+ break;
+ case FEC_7_8:
+ buf[2] |= (4 << 0);
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid code_rate_HP\n");
+ auto_mode = true;
+ }
+
+ switch (c->code_rate_LP) {
+ case FEC_AUTO:
+ auto_mode = true;
+ break;
+ case FEC_1_2:
+ break;
+ case FEC_2_3:
+ buf[2] |= (1 << 3);
+ break;
+ case FEC_3_4:
+ buf[2] |= (2 << 3);
+ break;
+ case FEC_5_6:
+ buf[2] |= (3 << 3);
+ break;
+ case FEC_7_8:
+ buf[2] |= (4 << 3);
+ break;
+ case FEC_NONE:
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid code_rate_LP\n");
+ auto_mode = true;
+ }
+
+ switch (c->bandwidth_hz) {
+ case 6000000:
+ break;
+ case 7000000:
+ buf[1] |= (1 << 2);
+ break;
+ case 8000000:
+ buf[1] |= (2 << 2);
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid bandwidth_hz\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = regmap_bulk_write(state->regmap, 0xd3c0, buf, 3);
+ if (ret)
+ goto err;
+
+ if (auto_mode) {
+ /* clear easy mode flag */
+ ret = regmap_write(state->regmap, 0xaefd, 0x00);
+ if (ret)
+ goto err;
+
+ dev_dbg(&client->dev, "auto params\n");
+ } else {
+ /* set easy mode flag */
+ ret = regmap_write(state->regmap, 0xaefd, 0x01);
+ if (ret)
+ goto err;
+
+ ret = regmap_write(state->regmap, 0xaefe, 0x00);
+ if (ret)
+ goto err;
+
+ dev_dbg(&client->dev, "manual params\n");
+ }
+
+ /* Reset FSM */
+ ret = regmap_write(state->regmap, 0xffff, 0x00);
+ if (ret)
+ goto err;
+
+ state->bandwidth_hz = c->bandwidth_hz;
+ state->set_frontend_jiffies = jiffies;
+ state->first_tune = false;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_get_frontend(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *c)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
+ int ret;
+ u8 buf[3];
+
+ dev_dbg(&client->dev, "\n");
+
+ ret = regmap_bulk_read(state->regmap, 0xd3c0, buf, 3);
+ if (ret)
+ goto err;
+
+ switch ((buf[1] >> 6) & 3) {
+ case 0:
+ c->modulation = QPSK;
+ break;
+ case 1:
+ c->modulation = QAM_16;
+ break;
+ case 2:
+ c->modulation = QAM_64;
+ break;
+ }
+
+ switch ((buf[0] >> 0) & 3) {
+ case 0:
+ c->transmission_mode = TRANSMISSION_MODE_2K;
+ break;
+ case 1:
+ c->transmission_mode = TRANSMISSION_MODE_8K;
+ }
+
+ switch ((buf[0] >> 2) & 3) {
+ case 0:
+ c->guard_interval = GUARD_INTERVAL_1_32;
+ break;
+ case 1:
+ c->guard_interval = GUARD_INTERVAL_1_16;
+ break;
+ case 2:
+ c->guard_interval = GUARD_INTERVAL_1_8;
+ break;
+ case 3:
+ c->guard_interval = GUARD_INTERVAL_1_4;
+ break;
+ }
+
+ switch ((buf[0] >> 4) & 7) {
+ case 0:
+ c->hierarchy = HIERARCHY_NONE;
+ break;
+ case 1:
+ c->hierarchy = HIERARCHY_1;
+ break;
+ case 2:
+ c->hierarchy = HIERARCHY_2;
+ break;
+ case 3:
+ c->hierarchy = HIERARCHY_4;
+ break;
+ }
+
+ switch ((buf[2] >> 0) & 7) {
+ case 0:
+ c->code_rate_HP = FEC_1_2;
+ break;
+ case 1:
+ c->code_rate_HP = FEC_2_3;
+ break;
+ case 2:
+ c->code_rate_HP = FEC_3_4;
+ break;
+ case 3:
+ c->code_rate_HP = FEC_5_6;
+ break;
+ case 4:
+ c->code_rate_HP = FEC_7_8;
+ break;
+ }
+
+ switch ((buf[2] >> 3) & 7) {
+ case 0:
+ c->code_rate_LP = FEC_1_2;
+ break;
+ case 1:
+ c->code_rate_LP = FEC_2_3;
+ break;
+ case 2:
+ c->code_rate_LP = FEC_3_4;
+ break;
+ case 3:
+ c->code_rate_LP = FEC_5_6;
+ break;
+ case 4:
+ c->code_rate_LP = FEC_7_8;
+ break;
+ }
+
+ switch ((buf[1] >> 2) & 3) {
+ case 0:
+ c->bandwidth_hz = 6000000;
+ break;
+ case 1:
+ c->bandwidth_hz = 7000000;
+ break;
+ case 2:
+ c->bandwidth_hz = 8000000;
+ break;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret, stmp1;
+ unsigned int utmp, utmp1, utmp2, utmp3, utmp4;
+ u8 buf[7];
+
+ dev_dbg(&client->dev, "\n");
+
+ /*
+ * Return status from the cache if it is younger than 2000ms with the
+ * exception of last tune is done during 4000ms.
+ */
+ if (time_is_after_jiffies(state->read_status_jiffies + msecs_to_jiffies(2000)) &&
+ time_is_before_jiffies(state->set_frontend_jiffies + msecs_to_jiffies(4000))) {
+ *status = state->fe_status;
+ } else {
+ /* MPEG2 lock */
+ ret = regmap_read(state->regmap, 0xd507, &utmp);
+ if (ret)
+ goto err;
+
+ if ((utmp >> 6) & 0x01) {
+ utmp1 = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+ FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
+ } else {
+ /* TPS lock */
+ ret = regmap_read(state->regmap, 0xd330, &utmp);
+ if (ret)
+ goto err;
+
+ if ((utmp >> 3) & 0x01)
+ utmp1 = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+ FE_HAS_VITERBI;
+ else
+ utmp1 = 0;
+ }
+
+ dev_dbg(&client->dev, "fe_status %02x\n", utmp1);
+
+ state->read_status_jiffies = jiffies;
+
+ state->fe_status = utmp1;
+ *status = utmp1;
+ }
+
+ /* Signal strength */
+ switch (state->strength_en) {
+ case 0:
+ /* Check if we support signal strength */
+ ret = regmap_read(state->regmap, 0x9bee, &utmp);
+ if (ret)
+ goto err;
+
+ if ((utmp >> 0) & 0x01) {
+ /* Read agc values for signal strength estimation */
+ ret = regmap_read(state->regmap, 0x9bbd, &utmp1);
+ if (ret)
+ goto err;
+ ret = regmap_read(state->regmap, 0x9bd0, &utmp2);
+ if (ret)
+ goto err;
+ ret = regmap_read(state->regmap, 0x9be2, &utmp3);
+ if (ret)
+ goto err;
+ ret = regmap_read(state->regmap, 0x9be4, &utmp4);
+ if (ret)
+ goto err;
+
+ state->rf_agc_50 = utmp1;
+ state->rf_agc_80 = utmp2;
+ state->if_agc_50 = utmp3;
+ state->if_agc_80 = utmp4;
+ dev_dbg(&client->dev,
+ "rf_agc_50 %u, rf_agc_80 %u, if_agc_50 %u, if_agc_80 %u\n",
+ utmp1, utmp2, utmp3, utmp4);
+
+ state->strength_en = 1;
+ } else {
+ /* Signal strength is not supported */
+ state->strength_en = 2;
+ break;
+ }
+ fallthrough;
+ case 1:
+ if (time_is_after_jiffies(state->strength_jiffies + msecs_to_jiffies(2000)))
+ break;
+
+ /* Read value */
+ ret = regmap_bulk_read(state->regmap, 0xd07c, buf, 2);
+ if (ret)
+ goto err;
+
+ /*
+ * Construct line equation from tuner dependent -80/-50 dBm agc
+ * limits and use it to map current agc value to dBm estimate
+ */
+ #define agc_gain (buf[0] + buf[1])
+ #define agc_gain_50dbm (state->rf_agc_50 + state->if_agc_50)
+ #define agc_gain_80dbm (state->rf_agc_80 + state->if_agc_80)
+ stmp1 = 30000 * (agc_gain - agc_gain_80dbm) /
+ (agc_gain_50dbm - agc_gain_80dbm) - 80000;
+
+ dev_dbg(&client->dev,
+ "strength %d, agc_gain %d, agc_gain_50dbm %d, agc_gain_80dbm %d\n",
+ stmp1, agc_gain, agc_gain_50dbm, agc_gain_80dbm);
+
+ state->strength_jiffies = jiffies;
+ /* Convert [-90, -30] dBm to [0x0000, 0xffff] for dvbv3 */
+ utmp1 = clamp(stmp1 + 90000, 0, 60000);
+ state->dvbv3_strength = div_u64((u64)utmp1 * 0xffff, 60000);
+
+ c->strength.stat[0].scale = FE_SCALE_DECIBEL;
+ c->strength.stat[0].svalue = stmp1;
+ break;
+ default:
+ c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ break;
+ }
+
+ /* CNR */
+ switch (state->fe_status & FE_HAS_VITERBI) {
+ case FE_HAS_VITERBI:
+ if (time_is_after_jiffies(state->cnr_jiffies + msecs_to_jiffies(2000)))
+ break;
+
+ /* Check if cnr ready */
+ ret = regmap_read(state->regmap, 0xd2e1, &utmp);
+ if (ret)
+ goto err;
+
+ if (!((utmp >> 3) & 0x01)) {
+ dev_dbg(&client->dev, "cnr not ready\n");
+ break;
+ }
+
+ /* Read value */
+ ret = regmap_bulk_read(state->regmap, 0xd2e3, buf, 3);
+ if (ret)
+ goto err;
+
+ utmp1 = buf[2] << 16 | buf[1] << 8 | buf[0] << 0;
+
+ /* Read current modulation */
+ ret = regmap_read(state->regmap, 0xd3c1, &utmp);
+ if (ret)
+ goto err;
+
+ switch ((utmp >> 6) & 3) {
+ case 0:
+ /*
+ * QPSK
+ * CNR[dB] 13 * -log10((1690000 - value) / value) + 2.6
+ * value [653799, 1689999], 2.6 / 13 = 3355443
+ */
+ utmp1 = clamp(utmp1, 653799U, 1689999U);
+ utmp1 = ((u64)(intlog10(utmp1)
+ - intlog10(1690000 - utmp1)
+ + 3355443) * 13 * 1000) >> 24;
+ break;
+ case 1:
+ /*
+ * QAM-16
+ * CNR[dB] 6 * log10((value - 370000) / (828000 - value)) + 15.7
+ * value [371105, 827999], 15.7 / 6 = 43900382
+ */
+ utmp1 = clamp(utmp1, 371105U, 827999U);
+ utmp1 = ((u64)(intlog10(utmp1 - 370000)
+ - intlog10(828000 - utmp1)
+ + 43900382) * 6 * 1000) >> 24;
+ break;
+ case 2:
+ /*
+ * QAM-64
+ * CNR[dB] 8 * log10((value - 193000) / (425000 - value)) + 23.8
+ * value [193246, 424999], 23.8 / 8 = 49912218
+ */
+ utmp1 = clamp(utmp1, 193246U, 424999U);
+ utmp1 = ((u64)(intlog10(utmp1 - 193000)
+ - intlog10(425000 - utmp1)
+ + 49912218) * 8 * 1000) >> 24;
+ break;
+ default:
+ dev_dbg(&client->dev, "invalid modulation %u\n",
+ (utmp >> 6) & 3);
+ utmp1 = 0;
+ break;
+ }
+
+ dev_dbg(&client->dev, "cnr %u\n", utmp1);
+
+ state->cnr_jiffies = jiffies;
+ state->dvbv3_snr = utmp1 / 100;
+
+ c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+ c->cnr.stat[0].svalue = utmp1;
+ break;
+ default:
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ break;
+ }
+
+ /* BER / PER */
+ switch (state->fe_status & FE_HAS_SYNC) {
+ case FE_HAS_SYNC:
+ if (time_is_after_jiffies(state->ber_ucb_jiffies + msecs_to_jiffies(2000)))
+ break;
+
+ /* Check if ber / ucb is ready */
+ ret = regmap_read(state->regmap, 0xd391, &utmp);
+ if (ret)
+ goto err;
+
+ if (!((utmp >> 4) & 0x01)) {
+ dev_dbg(&client->dev, "ber not ready\n");
+ break;
+ }
+
+ /* Read value */
+ ret = regmap_bulk_read(state->regmap, 0xd385, buf, 7);
+ if (ret)
+ goto err;
+
+ utmp1 = buf[4] << 16 | buf[3] << 8 | buf[2] << 0;
+ utmp2 = (buf[1] << 8 | buf[0] << 0) * 204 * 8;
+ utmp3 = buf[6] << 8 | buf[5] << 0;
+ utmp4 = buf[1] << 8 | buf[0] << 0;
+
+ /* Use 10000 TS packets for measure */
+ if (utmp4 != 10000) {
+ buf[0] = (10000 >> 0) & 0xff;
+ buf[1] = (10000 >> 8) & 0xff;
+ ret = regmap_bulk_write(state->regmap, 0xd385, buf, 2);
+ if (ret)
+ goto err;
+ }
+
+ /* Reset ber / ucb counter */
+ ret = regmap_update_bits(state->regmap, 0xd391, 0x20, 0x20);
+ if (ret)
+ goto err;
+
+ dev_dbg(&client->dev, "post_bit_error %u, post_bit_count %u\n",
+ utmp1, utmp2);
+ dev_dbg(&client->dev, "block_error %u, block_count %u\n",
+ utmp3, utmp4);
+
+ state->ber_ucb_jiffies = jiffies;
+ state->dvbv3_ber = utmp1;
+ state->dvbv3_ucblocks += utmp3;
+
+ c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_error.stat[0].uvalue += utmp1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_count.stat[0].uvalue += utmp2;
+
+ c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_error.stat[0].uvalue += utmp3;
+ c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_count.stat[0].uvalue += utmp4;
+ break;
+ default:
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ break;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+
+ *snr = state->dvbv3_snr;
+
+ return 0;
+}
+
+static int af9013_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+
+ *strength = state->dvbv3_strength;
+
+ return 0;
+}
+
+static int af9013_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+
+ *ber = state->dvbv3_ber;
+
+ return 0;
+}
+
+static int af9013_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+
+ *ucblocks = state->dvbv3_ucblocks;
+
+ return 0;
+}
+
+static int af9013_init(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
+ int ret, i, len;
+ unsigned int utmp;
+ u8 buf[3];
+ const struct af9013_reg_mask_val *tab;
+
+ dev_dbg(&client->dev, "\n");
+
+ /* ADC on */
+ ret = regmap_update_bits(state->regmap, 0xd73a, 0x08, 0x00);
+ if (ret)
+ goto err;
+
+ /* Clear reset */
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x02, 0x00);
+ if (ret)
+ goto err;
+
+ /* Disable reset */
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x10, 0x00);
+ if (ret)
+ goto err;
+
+ /* write API version to firmware */
+ ret = regmap_bulk_write(state->regmap, 0x9bf2, state->api_version, 4);
+ if (ret)
+ goto err;
+
+ /* program ADC control */
+ switch (state->clk) {
+ case 28800000: /* 28.800 MHz */
+ utmp = 0;
+ break;
+ case 20480000: /* 20.480 MHz */
+ utmp = 1;
+ break;
+ case 28000000: /* 28.000 MHz */
+ utmp = 2;
+ break;
+ case 25000000: /* 25.000 MHz */
+ utmp = 3;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = regmap_update_bits(state->regmap, 0x9bd2, 0x0f, utmp);
+ if (ret)
+ goto err;
+
+ utmp = div_u64((u64)state->clk * 0x80000, 1000000);
+ buf[0] = (utmp >> 0) & 0xff;
+ buf[1] = (utmp >> 8) & 0xff;
+ buf[2] = (utmp >> 16) & 0xff;
+ ret = regmap_bulk_write(state->regmap, 0xd180, buf, 3);
+ if (ret)
+ goto err;
+
+ /* Demod core settings */
+ dev_dbg(&client->dev, "load demod core settings\n");
+ len = ARRAY_SIZE(demod_init_tab);
+ tab = demod_init_tab;
+ for (i = 0; i < len; i++) {
+ ret = regmap_update_bits(state->regmap, tab[i].reg, tab[i].mask,
+ tab[i].val);
+ if (ret)
+ goto err;
+ }
+
+ /* Demod tuner specific settings */
+ dev_dbg(&client->dev, "load tuner specific settings\n");
+ switch (state->tuner) {
+ case AF9013_TUNER_MXL5003D:
+ len = ARRAY_SIZE(tuner_init_tab_mxl5003d);
+ tab = tuner_init_tab_mxl5003d;
+ break;
+ case AF9013_TUNER_MXL5005D:
+ case AF9013_TUNER_MXL5005R:
+ case AF9013_TUNER_MXL5007T:
+ len = ARRAY_SIZE(tuner_init_tab_mxl5005);
+ tab = tuner_init_tab_mxl5005;
+ break;
+ case AF9013_TUNER_ENV77H11D5:
+ len = ARRAY_SIZE(tuner_init_tab_env77h11d5);
+ tab = tuner_init_tab_env77h11d5;
+ break;
+ case AF9013_TUNER_MT2060:
+ len = ARRAY_SIZE(tuner_init_tab_mt2060);
+ tab = tuner_init_tab_mt2060;
+ break;
+ case AF9013_TUNER_MC44S803:
+ len = ARRAY_SIZE(tuner_init_tab_mc44s803);
+ tab = tuner_init_tab_mc44s803;
+ break;
+ case AF9013_TUNER_QT1010:
+ case AF9013_TUNER_QT1010A:
+ len = ARRAY_SIZE(tuner_init_tab_qt1010);
+ tab = tuner_init_tab_qt1010;
+ break;
+ case AF9013_TUNER_MT2060_2:
+ len = ARRAY_SIZE(tuner_init_tab_mt2060_2);
+ tab = tuner_init_tab_mt2060_2;
+ break;
+ case AF9013_TUNER_TDA18271:
+ case AF9013_TUNER_TDA18218:
+ len = ARRAY_SIZE(tuner_init_tab_tda18271);
+ tab = tuner_init_tab_tda18271;
+ break;
+ case AF9013_TUNER_UNKNOWN:
+ default:
+ len = ARRAY_SIZE(tuner_init_tab_unknown);
+ tab = tuner_init_tab_unknown;
+ break;
+ }
+
+ for (i = 0; i < len; i++) {
+ ret = regmap_update_bits(state->regmap, tab[i].reg, tab[i].mask,
+ tab[i].val);
+ if (ret)
+ goto err;
+ }
+
+ /* TS interface */
+ if (state->ts_output_pin == 7)
+ utmp = 1 << 3 | state->ts_mode << 1;
+ else
+ utmp = 0 << 3 | state->ts_mode << 1;
+ ret = regmap_update_bits(state->regmap, 0xd500, 0x0e, utmp);
+ if (ret)
+ goto err;
+
+ /* enable lock led */
+ ret = regmap_update_bits(state->regmap, 0xd730, 0x01, 0x01);
+ if (ret)
+ goto err;
+
+ state->first_tune = true;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_sleep(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
+ int ret;
+ unsigned int utmp;
+
+ dev_dbg(&client->dev, "\n");
+
+ /* disable lock led */
+ ret = regmap_update_bits(state->regmap, 0xd730, 0x01, 0x00);
+ if (ret)
+ goto err;
+
+ /* Enable reset */
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x10, 0x10);
+ if (ret)
+ goto err;
+
+ /* Start reset execution */
+ ret = regmap_write(state->regmap, 0xaeff, 0x01);
+ if (ret)
+ goto err;
+
+ /* Wait reset performs */
+ ret = regmap_read_poll_timeout(state->regmap, 0xd417, utmp,
+ (utmp >> 1) & 0x01, 5000, 1000000);
+ if (ret)
+ goto err;
+
+ if (!((utmp >> 1) & 0x01)) {
+ ret = -ETIMEDOUT;
+ goto err;
+ }
+
+ /* ADC off */
+ ret = regmap_update_bits(state->regmap, 0xd73a, 0x08, 0x08);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static const struct dvb_frontend_ops af9013_ops;
+
+static int af9013_download_firmware(struct af9013_state *state)
+{
+ struct i2c_client *client = state->client;
+ int ret, i, len, rem;
+ unsigned int utmp;
+ u8 buf[4];
+ u16 checksum = 0;
+ const struct firmware *firmware;
+ const char *name = AF9013_FIRMWARE;
+
+ dev_dbg(&client->dev, "\n");
+
+ /* Check whether firmware is already running */
+ ret = regmap_read(state->regmap, 0x98be, &utmp);
+ if (ret)
+ goto err;
+
+ dev_dbg(&client->dev, "firmware status %02x\n", utmp);
+
+ if (utmp == 0x0c)
+ return 0;
+
+ dev_info(&client->dev, "found a '%s' in cold state, will try to load a firmware\n",
+ af9013_ops.info.name);
+
+ /* Request the firmware, will block and timeout */
+ ret = request_firmware(&firmware, name, &client->dev);
+ if (ret) {
+ dev_info(&client->dev, "firmware file '%s' not found %d\n",
+ name, ret);
+ goto err;
+ }
+
+ dev_info(&client->dev, "downloading firmware from file '%s'\n",
+ name);
+
+ /* Write firmware checksum & size */
+ for (i = 0; i < firmware->size; i++)
+ checksum += firmware->data[i];
+
+ buf[0] = (checksum >> 8) & 0xff;
+ buf[1] = (checksum >> 0) & 0xff;
+ buf[2] = (firmware->size >> 8) & 0xff;
+ buf[3] = (firmware->size >> 0) & 0xff;
+ ret = regmap_bulk_write(state->regmap, 0x50fc, buf, 4);
+ if (ret)
+ goto err_release_firmware;
+
+ /* Download firmware */
+ #define LEN_MAX 16
+ for (rem = firmware->size; rem > 0; rem -= LEN_MAX) {
+ len = min(LEN_MAX, rem);
+ ret = regmap_bulk_write(state->regmap,
+ 0x5100 + firmware->size - rem,
+ &firmware->data[firmware->size - rem],
+ len);
+ if (ret) {
+ dev_err(&client->dev, "firmware download failed %d\n",
+ ret);
+ goto err_release_firmware;
+ }
+ }
+
+ release_firmware(firmware);
+
+ /* Boot firmware */
+ ret = regmap_write(state->regmap, 0xe205, 0x01);
+ if (ret)
+ goto err;
+
+ /* Check firmware status. 0c=OK, 04=fail */
+ ret = regmap_read_poll_timeout(state->regmap, 0x98be, utmp,
+ (utmp == 0x0c || utmp == 0x04),
+ 5000, 1000000);
+ if (ret)
+ goto err;
+
+ dev_dbg(&client->dev, "firmware status %02x\n", utmp);
+
+ if (utmp == 0x04) {
+ ret = -ENODEV;
+ dev_err(&client->dev, "firmware did not run\n");
+ goto err;
+ } else if (utmp != 0x0c) {
+ ret = -ENODEV;
+ dev_err(&client->dev, "firmware boot timeout\n");
+ goto err;
+ }
+
+ dev_info(&client->dev, "found a '%s' in warm state\n",
+ af9013_ops.info.name);
+
+ return 0;
+err_release_firmware:
+ release_firmware(firmware);
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static const struct dvb_frontend_ops af9013_ops = {
+ .delsys = { SYS_DVBT },
+ .info = {
+ .name = "Afatech AF9013",
+ .frequency_min_hz = 174 * MHz,
+ .frequency_max_hz = 862 * MHz,
+ .frequency_stepsize_hz = 250 * kHz,
+ .caps = FE_CAN_FEC_1_2 |
+ FE_CAN_FEC_2_3 |
+ FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 |
+ FE_CAN_FEC_7_8 |
+ FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK |
+ FE_CAN_QAM_16 |
+ FE_CAN_QAM_64 |
+ FE_CAN_QAM_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO |
+ FE_CAN_GUARD_INTERVAL_AUTO |
+ FE_CAN_HIERARCHY_AUTO |
+ FE_CAN_RECOVER |
+ FE_CAN_MUTE_TS
+ },
+
+ .init = af9013_init,
+ .sleep = af9013_sleep,
+
+ .get_tune_settings = af9013_get_tune_settings,
+ .set_frontend = af9013_set_frontend,
+ .get_frontend = af9013_get_frontend,
+
+ .read_status = af9013_read_status,
+ .read_snr = af9013_read_snr,
+ .read_signal_strength = af9013_read_signal_strength,
+ .read_ber = af9013_read_ber,
+ .read_ucblocks = af9013_read_ucblocks,
+};
+
+static int af9013_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
+ int ret;
+
+ dev_dbg(&client->dev, "onoff %d\n", onoff);
+
+ ret = regmap_update_bits(state->regmap, 0xd503, 0x01, onoff);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid,
+ int onoff)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
+ int ret;
+ u8 buf[2];
+
+ dev_dbg(&client->dev, "index %d, pid %04x, onoff %d\n",
+ index, pid, onoff);
+
+ if (pid > 0x1fff) {
+ /* 0x2000 is kernel virtual pid for whole ts (all pids) */
+ ret = 0;
+ goto err;
+ }
+
+ buf[0] = (pid >> 0) & 0xff;
+ buf[1] = (pid >> 8) & 0xff;
+ ret = regmap_bulk_write(state->regmap, 0xd505, buf, 2);
+ if (ret)
+ goto err;
+ ret = regmap_write(state->regmap, 0xd504, onoff << 5 | index << 0);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static struct dvb_frontend *af9013_get_dvb_frontend(struct i2c_client *client)
+{
+ struct af9013_state *state = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ return &state->fe;
+}
+
+static struct i2c_adapter *af9013_get_i2c_adapter(struct i2c_client *client)
+{
+ struct af9013_state *state = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ return state->muxc->adapter[0];
+}
+
+/*
+ * XXX: Hackish solution. We use virtual register, reg bit 16, to carry info
+ * about i2c adapter locking. Own locking is needed because i2c mux call has
+ * already locked i2c adapter.
+ */
+static int af9013_select(struct i2c_mux_core *muxc, u32 chan)
+{
+ struct af9013_state *state = i2c_mux_priv(muxc);
+ struct i2c_client *client = state->client;
+ int ret;
+
+ dev_dbg(&client->dev, "\n");
+
+ if (state->ts_mode == AF9013_TS_MODE_USB)
+ ret = regmap_update_bits(state->regmap, 0x1d417, 0x08, 0x08);
+ else
+ ret = regmap_update_bits(state->regmap, 0x1d607, 0x04, 0x04);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_deselect(struct i2c_mux_core *muxc, u32 chan)
+{
+ struct af9013_state *state = i2c_mux_priv(muxc);
+ struct i2c_client *client = state->client;
+ int ret;
+
+ dev_dbg(&client->dev, "\n");
+
+ if (state->ts_mode == AF9013_TS_MODE_USB)
+ ret = regmap_update_bits(state->regmap, 0x1d417, 0x08, 0x00);
+ else
+ ret = regmap_update_bits(state->regmap, 0x1d607, 0x04, 0x00);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+/* Own I2C access routines needed for regmap as chip uses extra command byte */
+static int af9013_wregs(struct i2c_client *client, u8 cmd, u16 reg,
+ const u8 *val, int len, u8 lock)
+{
+ int ret;
+ u8 buf[21];
+ struct i2c_msg msg[1] = {
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 3 + len,
+ .buf = buf,
+ }
+ };
+
+ if (3 + len > sizeof(buf)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ buf[0] = (reg >> 8) & 0xff;
+ buf[1] = (reg >> 0) & 0xff;
+ buf[2] = cmd;
+ memcpy(&buf[3], val, len);
+
+ if (lock)
+ i2c_lock_bus(client->adapter, I2C_LOCK_SEGMENT);
+ ret = __i2c_transfer(client->adapter, msg, 1);
+ if (lock)
+ i2c_unlock_bus(client->adapter, I2C_LOCK_SEGMENT);
+ if (ret < 0) {
+ goto err;
+ } else if (ret != 1) {
+ ret = -EREMOTEIO;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_rregs(struct i2c_client *client, u8 cmd, u16 reg,
+ u8 *val, int len, u8 lock)
+{
+ int ret;
+ u8 buf[3];
+ struct i2c_msg msg[2] = {
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 3,
+ .buf = buf,
+ }, {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .len = len,
+ .buf = val,
+ }
+ };
+
+ buf[0] = (reg >> 8) & 0xff;
+ buf[1] = (reg >> 0) & 0xff;
+ buf[2] = cmd;
+
+ if (lock)
+ i2c_lock_bus(client->adapter, I2C_LOCK_SEGMENT);
+ ret = __i2c_transfer(client->adapter, msg, 2);
+ if (lock)
+ i2c_unlock_bus(client->adapter, I2C_LOCK_SEGMENT);
+ if (ret < 0) {
+ goto err;
+ } else if (ret != 2) {
+ ret = -EREMOTEIO;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_regmap_write(void *context, const void *data, size_t count)
+{
+ struct i2c_client *client = context;
+ struct af9013_state *state = i2c_get_clientdata(client);
+ int ret, i;
+ u8 cmd;
+ u8 lock = !((u8 *)data)[0];
+ u16 reg = ((u8 *)data)[1] << 8 | ((u8 *)data)[2] << 0;
+ u8 *val = &((u8 *)data)[3];
+ const unsigned int len = count - 3;
+
+ if (state->ts_mode == AF9013_TS_MODE_USB && (reg & 0xff00) != 0xae00) {
+ cmd = 0 << 7|0 << 6|(len - 1) << 2|1 << 1|1 << 0;
+ ret = af9013_wregs(client, cmd, reg, val, len, lock);
+ if (ret)
+ goto err;
+ } else if (reg >= 0x5100 && reg < 0x8fff) {
+ /* Firmware download */
+ cmd = 1 << 7|1 << 6|(len - 1) << 2|1 << 1|1 << 0;
+ ret = af9013_wregs(client, cmd, reg, val, len, lock);
+ if (ret)
+ goto err;
+ } else {
+ cmd = 0 << 7|0 << 6|(1 - 1) << 2|1 << 1|1 << 0;
+ for (i = 0; i < len; i++) {
+ ret = af9013_wregs(client, cmd, reg + i, val + i, 1,
+ lock);
+ if (ret)
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_regmap_read(void *context, const void *reg_buf,
+ size_t reg_size, void *val_buf, size_t val_size)
+{
+ struct i2c_client *client = context;
+ struct af9013_state *state = i2c_get_clientdata(client);
+ int ret, i;
+ u8 cmd;
+ u8 lock = !((u8 *)reg_buf)[0];
+ u16 reg = ((u8 *)reg_buf)[1] << 8 | ((u8 *)reg_buf)[2] << 0;
+ u8 *val = &((u8 *)val_buf)[0];
+ const unsigned int len = val_size;
+
+ if (state->ts_mode == AF9013_TS_MODE_USB && (reg & 0xff00) != 0xae00) {
+ cmd = 0 << 7|0 << 6|(len - 1) << 2|1 << 1|0 << 0;
+ ret = af9013_rregs(client, cmd, reg, val_buf, len, lock);
+ if (ret)
+ goto err;
+ } else {
+ cmd = 0 << 7|0 << 6|(1 - 1) << 2|1 << 1|0 << 0;
+ for (i = 0; i < len; i++) {
+ ret = af9013_rregs(client, cmd, reg + i, val + i, 1,
+ lock);
+ if (ret)
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_probe(struct i2c_client *client)
+{
+ struct af9013_state *state;
+ struct af9013_platform_data *pdata = client->dev.platform_data;
+ struct dtv_frontend_properties *c;
+ int ret, i;
+ u8 firmware_version[4];
+ static const struct regmap_bus regmap_bus = {
+ .read = af9013_regmap_read,
+ .write = af9013_regmap_write,
+ };
+ static const struct regmap_config regmap_config = {
+ /* Actual reg is 16 bits, see i2c adapter lock */
+ .reg_bits = 24,
+ .val_bits = 8,
+ };
+
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!state) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ dev_dbg(&client->dev, "\n");
+
+ /* Setup the state */
+ state->client = client;
+ i2c_set_clientdata(client, state);
+ state->clk = pdata->clk;
+ state->tuner = pdata->tuner;
+ state->if_frequency = pdata->if_frequency;
+ state->ts_mode = pdata->ts_mode;
+ state->ts_output_pin = pdata->ts_output_pin;
+ state->spec_inv = pdata->spec_inv;
+ memcpy(&state->api_version, pdata->api_version, sizeof(state->api_version));
+ memcpy(&state->gpio, pdata->gpio, sizeof(state->gpio));
+ state->regmap = regmap_init(&client->dev, &regmap_bus, client,
+ &regmap_config);
+ if (IS_ERR(state->regmap)) {
+ ret = PTR_ERR(state->regmap);
+ goto err_kfree;
+ }
+ /* Create mux i2c adapter */
+ state->muxc = i2c_mux_alloc(client->adapter, &client->dev, 1, 0, 0,
+ af9013_select, af9013_deselect);
+ if (!state->muxc) {
+ ret = -ENOMEM;
+ goto err_regmap_exit;
+ }
+ state->muxc->priv = state;
+ ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0);
+ if (ret)
+ goto err_regmap_exit;
+
+ /* Download firmware */
+ if (state->ts_mode != AF9013_TS_MODE_USB) {
+ ret = af9013_download_firmware(state);
+ if (ret)
+ goto err_i2c_mux_del_adapters;
+ }
+
+ /* Firmware version */
+ ret = regmap_bulk_read(state->regmap, 0x5103, firmware_version,
+ sizeof(firmware_version));
+ if (ret)
+ goto err_i2c_mux_del_adapters;
+
+ /* Set GPIOs */
+ for (i = 0; i < sizeof(state->gpio); i++) {
+ ret = af9013_set_gpio(state, i, state->gpio[i]);
+ if (ret)
+ goto err_i2c_mux_del_adapters;
+ }
+
+ /* Create dvb frontend */
+ memcpy(&state->fe.ops, &af9013_ops, sizeof(state->fe.ops));
+ state->fe.demodulator_priv = state;
+
+ /* Setup callbacks */
+ pdata->get_dvb_frontend = af9013_get_dvb_frontend;
+ pdata->get_i2c_adapter = af9013_get_i2c_adapter;
+ pdata->pid_filter = af9013_pid_filter;
+ pdata->pid_filter_ctrl = af9013_pid_filter_ctrl;
+
+ /* Init stats to indicate which stats are supported */
+ c = &state->fe.dtv_property_cache;
+ c->strength.len = 1;
+ c->cnr.len = 1;
+ c->post_bit_error.len = 1;
+ c->post_bit_count.len = 1;
+ c->block_error.len = 1;
+ c->block_count.len = 1;
+
+ dev_info(&client->dev, "Afatech AF9013 successfully attached\n");
+ dev_info(&client->dev, "firmware version: %d.%d.%d.%d\n",
+ firmware_version[0], firmware_version[1],
+ firmware_version[2], firmware_version[3]);
+ return 0;
+err_i2c_mux_del_adapters:
+ i2c_mux_del_adapters(state->muxc);
+err_regmap_exit:
+ regmap_exit(state->regmap);
+err_kfree:
+ kfree(state);
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static void af9013_remove(struct i2c_client *client)
+{
+ struct af9013_state *state = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ i2c_mux_del_adapters(state->muxc);
+
+ regmap_exit(state->regmap);
+
+ kfree(state);
+}
+
+static const struct i2c_device_id af9013_id_table[] = {
+ {"af9013", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, af9013_id_table);
+
+static struct i2c_driver af9013_driver = {
+ .driver = {
+ .name = "af9013",
+ .suppress_bind_attrs = true,
+ },
+ .probe = af9013_probe,
+ .remove = af9013_remove,
+ .id_table = af9013_id_table,
+};
+
+module_i2c_driver(af9013_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver");
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(AF9013_FIRMWARE);