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path: root/drivers/media/dvb-frontends/af9013.c
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Diffstat (limited to 'drivers/media/dvb-frontends/af9013.c')
-rw-r--r--drivers/media/dvb-frontends/af9013.c1548
1 files changed, 1548 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c
new file mode 100644
index 000000000000..e9f04a36577b
--- /dev/null
+++ b/drivers/media/dvb-frontends/af9013.c
@@ -0,0 +1,1548 @@
+/*
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "af9013_priv.h"
+
+struct af9013_state {
+ struct i2c_adapter *i2c;
+ struct dvb_frontend fe;
+ struct af9013_config config;
+
+ /* tuner/demod RF and IF AGC limits used for signal strength calc */
+ u8 signal_strength_en, rf_50, rf_80, if_50, if_80;
+ u16 signal_strength;
+ u32 ber;
+ u32 ucblocks;
+ u16 snr;
+ u32 bandwidth_hz;
+ fe_status_t fe_status;
+ unsigned long set_frontend_jiffies;
+ unsigned long read_status_jiffies;
+ bool first_tune;
+ bool i2c_gate_state;
+ unsigned int statistics_step:3;
+ struct delayed_work statistics_work;
+};
+
+/* write multiple registers */
+static int af9013_wr_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
+ const u8 *val, int len)
+{
+ int ret;
+ u8 buf[3+len];
+ struct i2c_msg msg[1] = {
+ {
+ .addr = priv->config.i2c_addr,
+ .flags = 0,
+ .len = sizeof(buf),
+ .buf = buf,
+ }
+ };
+
+ buf[0] = (reg >> 8) & 0xff;
+ buf[1] = (reg >> 0) & 0xff;
+ buf[2] = mbox;
+ memcpy(&buf[3], val, len);
+
+ ret = i2c_transfer(priv->i2c, msg, 1);
+ if (ret == 1) {
+ ret = 0;
+ } else {
+ dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%04x " \
+ "len=%d\n", KBUILD_MODNAME, ret, reg, len);
+ ret = -EREMOTEIO;
+ }
+ return ret;
+}
+
+/* read multiple registers */
+static int af9013_rd_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
+ u8 *val, int len)
+{
+ int ret;
+ u8 buf[3];
+ struct i2c_msg msg[2] = {
+ {
+ .addr = priv->config.i2c_addr,
+ .flags = 0,
+ .len = 3,
+ .buf = buf,
+ }, {
+ .addr = priv->config.i2c_addr,
+ .flags = I2C_M_RD,
+ .len = len,
+ .buf = val,
+ }
+ };
+
+ buf[0] = (reg >> 8) & 0xff;
+ buf[1] = (reg >> 0) & 0xff;
+ buf[2] = mbox;
+
+ ret = i2c_transfer(priv->i2c, msg, 2);
+ if (ret == 2) {
+ ret = 0;
+ } else {
+ dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%04x " \
+ "len=%d\n", KBUILD_MODNAME, ret, reg, len);
+ ret = -EREMOTEIO;
+ }
+ return ret;
+}
+
+/* write multiple registers */
+static int af9013_wr_regs(struct af9013_state *priv, u16 reg, const u8 *val,
+ int len)
+{
+ int ret, i;
+ u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(1 << 0);
+
+ if ((priv->config.ts_mode == AF9013_TS_USB) &&
+ ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) {
+ mbox |= ((len - 1) << 2);
+ ret = af9013_wr_regs_i2c(priv, mbox, reg, val, len);
+ } else {
+ for (i = 0; i < len; i++) {
+ ret = af9013_wr_regs_i2c(priv, mbox, reg+i, val+i, 1);
+ if (ret)
+ goto err;
+ }
+ }
+
+err:
+ return 0;
+}
+
+/* read multiple registers */
+static int af9013_rd_regs(struct af9013_state *priv, u16 reg, u8 *val, int len)
+{
+ int ret, i;
+ u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(0 << 0);
+
+ if ((priv->config.ts_mode == AF9013_TS_USB) &&
+ ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) {
+ mbox |= ((len - 1) << 2);
+ ret = af9013_rd_regs_i2c(priv, mbox, reg, val, len);
+ } else {
+ for (i = 0; i < len; i++) {
+ ret = af9013_rd_regs_i2c(priv, mbox, reg+i, val+i, 1);
+ if (ret)
+ goto err;
+ }
+ }
+
+err:
+ return 0;
+}
+
+/* write single register */
+static int af9013_wr_reg(struct af9013_state *priv, u16 reg, u8 val)
+{
+ return af9013_wr_regs(priv, reg, &val, 1);
+}
+
+/* read single register */
+static int af9013_rd_reg(struct af9013_state *priv, u16 reg, u8 *val)
+{
+ return af9013_rd_regs(priv, reg, val, 1);
+}
+
+static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val,
+ u8 len)
+{
+ u8 mbox = (1 << 7)|(1 << 6)|((len - 1) << 2)|(1 << 1)|(1 << 0);
+ return af9013_wr_regs_i2c(state, mbox, reg, val, len);
+}
+
+static int af9013_wr_reg_bits(struct af9013_state *state, u16 reg, int pos,
+ int len, u8 val)
+{
+ int ret;
+ u8 tmp, mask;
+
+ /* no need for read if whole reg is written */
+ if (len != 8) {
+ ret = af9013_rd_reg(state, reg, &tmp);
+ if (ret)
+ return ret;
+
+ mask = (0xff >> (8 - len)) << pos;
+ val <<= pos;
+ tmp &= ~mask;
+ val |= tmp;
+ }
+
+ return af9013_wr_reg(state, reg, val);
+}
+
+static int af9013_rd_reg_bits(struct af9013_state *state, u16 reg, int pos,
+ int len, u8 *val)
+{
+ int ret;
+ u8 tmp;
+
+ ret = af9013_rd_reg(state, reg, &tmp);
+ if (ret)
+ return ret;
+
+ *val = (tmp >> pos);
+ *val &= (0xff >> (8 - len));
+
+ return 0;
+}
+
+static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
+{
+ int ret;
+ u8 pos;
+ u16 addr;
+
+ dev_dbg(&state->i2c->dev, "%s: gpio=%d gpioval=%02x\n",
+ __func__, 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:
+ dev_err(&state->i2c->dev, "%s: invalid gpio=%d\n",
+ KBUILD_MODNAME, gpio);
+ ret = -EINVAL;
+ goto err;
+ };
+
+ switch (gpio) {
+ case 0:
+ case 2:
+ pos = 0;
+ break;
+ case 1:
+ case 3:
+ default:
+ pos = 4;
+ break;
+ };
+
+ ret = af9013_wr_reg_bits(state, addr, pos, 4, gpioval);
+ if (ret)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static u32 af9013_div(struct af9013_state *state, u32 a, u32 b, u32 x)
+{
+ u32 r = 0, c = 0, i;
+
+ dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);
+
+ if (a > b) {
+ c = a / b;
+ a = a - c * b;
+ }
+
+ for (i = 0; i < x; i++) {
+ if (a >= b) {
+ r += 1;
+ a -= b;
+ }
+ a <<= 1;
+ r <<= 1;
+ }
+ r = (c << (u32)x) + r;
+
+ dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
+ __func__, a, b, x, r, r);
+
+ return r;
+}
+
+static int af9013_power_ctrl(struct af9013_state *state, u8 onoff)
+{
+ int ret, i;
+ u8 tmp;
+
+ dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff);
+
+ /* enable reset */
+ ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1);
+ if (ret)
+ goto err;
+
+ /* start reset mechanism */
+ ret = af9013_wr_reg(state, 0xaeff, 1);
+ if (ret)
+ goto err;
+
+ /* wait reset performs */
+ for (i = 0; i < 150; i++) {
+ ret = af9013_rd_reg_bits(state, 0xd417, 1, 1, &tmp);
+ if (ret)
+ goto err;
+
+ if (tmp)
+ break; /* reset done */
+
+ usleep_range(5000, 25000);
+ }
+
+ if (!tmp)
+ return -ETIMEDOUT;
+
+ if (onoff) {
+ /* clear reset */
+ ret = af9013_wr_reg_bits(state, 0xd417, 1, 1, 0);
+ if (ret)
+ goto err;
+
+ /* disable reset */
+ ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 0);
+
+ /* power on */
+ ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 0);
+ } else {
+ /* power off */
+ ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 1);
+ }
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_statistics_ber_unc_start(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ int ret;
+
+ dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+
+ /* reset and start BER counter */
+ ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1);
+ if (ret)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ int ret;
+ u8 buf[5];
+
+ dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+
+ /* check if error bit count is ready */
+ ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]);
+ if (ret)
+ goto err;
+
+ if (!buf[0]) {
+ dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
+ return 0;
+ }
+
+ ret = af9013_rd_regs(state, 0xd387, buf, 5);
+ if (ret)
+ goto err;
+
+ state->ber = (buf[2] << 16) | (buf[1] << 8) | buf[0];
+ state->ucblocks += (buf[4] << 8) | buf[3];
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_statistics_snr_start(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ int ret;
+
+ dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+
+ /* start SNR meas */
+ ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1);
+ if (ret)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_statistics_snr_result(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ int ret, i, len;
+ u8 buf[3], tmp;
+ u32 snr_val;
+ const struct af9013_snr *uninitialized_var(snr_lut);
+
+ dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+
+ /* check if SNR ready */
+ ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp);
+ if (ret)
+ goto err;
+
+ if (!tmp) {
+ dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
+ return 0;
+ }
+
+ /* read value */
+ ret = af9013_rd_regs(state, 0xd2e3, buf, 3);
+ if (ret)
+ goto err;
+
+ snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];
+
+ /* read current modulation */
+ ret = af9013_rd_reg(state, 0xd3c1, &tmp);
+ if (ret)
+ goto err;
+
+ switch ((tmp >> 6) & 3) {
+ case 0:
+ len = ARRAY_SIZE(qpsk_snr_lut);
+ snr_lut = qpsk_snr_lut;
+ break;
+ case 1:
+ len = ARRAY_SIZE(qam16_snr_lut);
+ snr_lut = qam16_snr_lut;
+ break;
+ case 2:
+ len = ARRAY_SIZE(qam64_snr_lut);
+ snr_lut = qam64_snr_lut;
+ break;
+ default:
+ goto err;
+ break;
+ }
+
+ for (i = 0; i < len; i++) {
+ tmp = snr_lut[i].snr;
+
+ if (snr_val < snr_lut[i].val)
+ break;
+ }
+ state->snr = tmp * 10; /* dB/10 */
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_statistics_signal_strength(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ int ret = 0;
+ u8 buf[2], rf_gain, if_gain;
+ int signal_strength;
+
+ dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+
+ if (!state->signal_strength_en)
+ return 0;
+
+ ret = af9013_rd_regs(state, 0xd07c, buf, 2);
+ if (ret)
+ goto err;
+
+ rf_gain = buf[0];
+ if_gain = buf[1];
+
+ signal_strength = (0xffff / \
+ (9 * (state->rf_50 + state->if_50) - \
+ 11 * (state->rf_80 + state->if_80))) * \
+ (10 * (rf_gain + if_gain) - \
+ 11 * (state->rf_80 + state->if_80));
+ if (signal_strength < 0)
+ signal_strength = 0;
+ else if (signal_strength > 0xffff)
+ signal_strength = 0xffff;
+
+ state->signal_strength = signal_strength;
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static void af9013_statistics_work(struct work_struct *work)
+{
+ struct af9013_state *state = container_of(work,
+ struct af9013_state, statistics_work.work);
+ unsigned int next_msec;
+
+ /* update only signal strength when demod is not locked */
+ if (!(state->fe_status & FE_HAS_LOCK)) {
+ state->statistics_step = 0;
+ state->ber = 0;
+ state->snr = 0;
+ }
+
+ switch (state->statistics_step) {
+ default:
+ state->statistics_step = 0;
+ case 0:
+ af9013_statistics_signal_strength(&state->fe);
+ state->statistics_step++;
+ next_msec = 300;
+ break;
+ case 1:
+ af9013_statistics_snr_start(&state->fe);
+ state->statistics_step++;
+ next_msec = 200;
+ break;
+ case 2:
+ af9013_statistics_ber_unc_start(&state->fe);
+ state->statistics_step++;
+ next_msec = 1000;
+ break;
+ case 3:
+ af9013_statistics_snr_result(&state->fe);
+ state->statistics_step++;
+ next_msec = 400;
+ break;
+ case 4:
+ af9013_statistics_ber_unc_result(&state->fe);
+ state->statistics_step++;
+ next_msec = 100;
+ break;
+ }
+
+ schedule_delayed_work(&state->statistics_work,
+ msecs_to_jiffies(next_msec));
+}
+
+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 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(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",
+ __func__, c->frequency, c->bandwidth_hz);
+
+ /* program tuner */
+ if (fe->ops.tuner_ops.set_params)
+ fe->ops.tuner_ops.set_params(fe);
+
+ /* 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->config.clock &&
+ coeff_lut[i].bandwidth_hz == c->bandwidth_hz) {
+ break;
+ }
+ }
+
+ ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val,
+ sizeof(coeff_lut[i].val));
+ }
+
+ /* 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)
+ fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
+ else
+ if_frequency = state->config.if_frequency;
+
+ dev_dbg(&state->i2c->dev, "%s: if_frequency=%d\n",
+ __func__, if_frequency);
+
+ sampling_freq = if_frequency;
+
+ while (sampling_freq > (state->config.clock / 2))
+ sampling_freq -= state->config.clock;
+
+ if (sampling_freq < 0) {
+ sampling_freq *= -1;
+ spec_inv = state->config.spec_inv;
+ } else {
+ spec_inv = !state->config.spec_inv;
+ }
+
+ freq_cw = af9013_div(state, sampling_freq, state->config.clock,
+ 23);
+
+ 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 = af9013_wr_regs(state, 0xd140, buf, 3);
+ if (ret)
+ goto err;
+
+ ret = af9013_wr_regs(state, 0x9be7, buf, 6);
+ if (ret)
+ goto err;
+ }
+
+ /* clear TPS lock flag */
+ ret = af9013_wr_reg_bits(state, 0xd330, 3, 1, 1);
+ if (ret)
+ goto err;
+
+ /* clear MPEG2 lock flag */
+ ret = af9013_wr_reg_bits(state, 0xd507, 6, 1, 0);
+ if (ret)
+ goto err;
+
+ /* empty channel function */
+ ret = af9013_wr_reg_bits(state, 0x9bfe, 0, 1, 0);
+ if (ret)
+ goto err;
+
+ /* empty DVB-T channel function */
+ ret = af9013_wr_reg_bits(state, 0x9bc2, 0, 1, 0);
+ if (ret)
+ goto err;
+
+ /* transmission parameters */
+ auto_mode = false;
+ memset(buf, 0, 3);
+
+ switch (c->transmission_mode) {
+ case TRANSMISSION_MODE_AUTO:
+ auto_mode = 1;
+ break;
+ case TRANSMISSION_MODE_2K:
+ break;
+ case TRANSMISSION_MODE_8K:
+ buf[0] |= (1 << 0);
+ break;
+ default:
+ dev_dbg(&state->i2c->dev, "%s: invalid transmission_mode\n",
+ __func__);
+ auto_mode = 1;
+ }
+
+ switch (c->guard_interval) {
+ case GUARD_INTERVAL_AUTO:
+ auto_mode = 1;
+ 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(&state->i2c->dev, "%s: invalid guard_interval\n",
+ __func__);
+ auto_mode = 1;
+ }
+
+ switch (c->hierarchy) {
+ case HIERARCHY_AUTO:
+ auto_mode = 1;
+ 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(&state->i2c->dev, "%s: invalid hierarchy\n", __func__);
+ auto_mode = 1;
+ };
+
+ switch (c->modulation) {
+ case QAM_AUTO:
+ auto_mode = 1;
+ break;
+ case QPSK:
+ break;
+ case QAM_16:
+ buf[1] |= (1 << 6);
+ break;
+ case QAM_64:
+ buf[1] |= (2 << 6);
+ break;
+ default:
+ dev_dbg(&state->i2c->dev, "%s: invalid modulation\n", __func__);
+ auto_mode = 1;
+ }
+
+ /* 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 = 1;
+ 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(&state->i2c->dev, "%s: invalid code_rate_HP\n",
+ __func__);
+ auto_mode = 1;
+ }
+
+ switch (c->code_rate_LP) {
+ case FEC_AUTO:
+ auto_mode = 1;
+ 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(&state->i2c->dev, "%s: invalid code_rate_LP\n",
+ __func__);
+ auto_mode = 1;
+ }
+
+ switch (c->bandwidth_hz) {
+ case 6000000:
+ break;
+ case 7000000:
+ buf[1] |= (1 << 2);
+ break;
+ case 8000000:
+ buf[1] |= (2 << 2);
+ break;
+ default:
+ dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n",
+ __func__);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = af9013_wr_regs(state, 0xd3c0, buf, 3);
+ if (ret)
+ goto err;
+
+ if (auto_mode) {
+ /* clear easy mode flag */
+ ret = af9013_wr_reg(state, 0xaefd, 0);
+ if (ret)
+ goto err;
+
+ dev_dbg(&state->i2c->dev, "%s: auto params\n", __func__);
+ } else {
+ /* set easy mode flag */
+ ret = af9013_wr_reg(state, 0xaefd, 1);
+ if (ret)
+ goto err;
+
+ ret = af9013_wr_reg(state, 0xaefe, 0);
+ if (ret)
+ goto err;
+
+ dev_dbg(&state->i2c->dev, "%s: manual params\n", __func__);
+ }
+
+ /* tune */
+ ret = af9013_wr_reg(state, 0xffff, 0);
+ if (ret)
+ goto err;
+
+ state->bandwidth_hz = c->bandwidth_hz;
+ state->set_frontend_jiffies = jiffies;
+ state->first_tune = false;
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_get_frontend(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ struct af9013_state *state = fe->demodulator_priv;
+ int ret;
+ u8 buf[3];
+
+ dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+
+ ret = af9013_rd_regs(state, 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 ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ int ret;
+ u8 tmp;
+
+ /*
+ * 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;
+ return 0;
+ } else {
+ *status = 0;
+ }
+
+ /* MPEG2 lock */
+ ret = af9013_rd_reg_bits(state, 0xd507, 6, 1, &tmp);
+ if (ret)
+ goto err;
+
+ if (tmp)
+ *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
+ FE_HAS_SYNC | FE_HAS_LOCK;
+
+ if (!*status) {
+ /* TPS lock */
+ ret = af9013_rd_reg_bits(state, 0xd330, 3, 1, &tmp);
+ if (ret)
+ goto err;
+
+ if (tmp)
+ *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
+ FE_HAS_VITERBI;
+ }
+
+ state->fe_status = *status;
+ state->read_status_jiffies = jiffies;
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ *snr = state->snr;
+ return 0;
+}
+
+static int af9013_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ *strength = state->signal_strength;
+ return 0;
+}
+
+static int af9013_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ *ber = state->ber;
+ return 0;
+}
+
+static int af9013_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ *ucblocks = state->ucblocks;
+ return 0;
+}
+
+static int af9013_init(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ int ret, i, len;
+ u8 buf[3], tmp;
+ u32 adc_cw;
+ const struct af9013_reg_bit *init;
+
+ dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+
+ /* power on */
+ ret = af9013_power_ctrl(state, 1);
+ if (ret)
+ goto err;
+
+ /* enable ADC */
+ ret = af9013_wr_reg(state, 0xd73a, 0xa4);
+ if (ret)
+ goto err;
+
+ /* write API version to firmware */
+ ret = af9013_wr_regs(state, 0x9bf2, state->config.api_version, 4);
+ if (ret)
+ goto err;
+
+ /* program ADC control */
+ switch (state->config.clock) {
+ case 28800000: /* 28.800 MHz */
+ tmp = 0;
+ break;
+ case 20480000: /* 20.480 MHz */
+ tmp = 1;
+ break;
+ case 28000000: /* 28.000 MHz */
+ tmp = 2;
+ break;
+ case 25000000: /* 25.000 MHz */
+ tmp = 3;
+ break;
+ default:
+ dev_err(&state->i2c->dev, "%s: invalid clock\n",
+ KBUILD_MODNAME);
+ return -EINVAL;
+ }
+
+ adc_cw = af9013_div(state, state->config.clock, 1000000ul, 19);
+ buf[0] = (adc_cw >> 0) & 0xff;
+ buf[1] = (adc_cw >> 8) & 0xff;
+ buf[2] = (adc_cw >> 16) & 0xff;
+
+ ret = af9013_wr_regs(state, 0xd180, buf, 3);
+ if (ret)
+ goto err;
+
+ ret = af9013_wr_reg_bits(state, 0x9bd2, 0, 4, tmp);
+ if (ret)
+ goto err;
+
+ /* set I2C master clock */
+ ret = af9013_wr_reg(state, 0xd416, 0x14);
+ if (ret)
+ goto err;
+
+ /* set 16 embx */
+ ret = af9013_wr_reg_bits(state, 0xd700, 1, 1, 1);
+ if (ret)
+ goto err;
+
+ /* set no trigger */
+ ret = af9013_wr_reg_bits(state, 0xd700, 2, 1, 0);
+ if (ret)
+ goto err;
+
+ /* set read-update bit for constellation */
+ ret = af9013_wr_reg_bits(state, 0xd371, 1, 1, 1);
+ if (ret)
+ goto err;
+
+ /* settings for mp2if */
+ if (state->config.ts_mode == AF9013_TS_USB) {
+ /* AF9015 split PSB to 1.5k + 0.5k */
+ ret = af9013_wr_reg_bits(state, 0xd50b, 2, 1, 1);
+ if (ret)
+ goto err;
+ } else {
+ /* AF9013 change the output bit to data7 */
+ ret = af9013_wr_reg_bits(state, 0xd500, 3, 1, 1);
+ if (ret)
+ goto err;
+
+ /* AF9013 set mpeg to full speed */
+ ret = af9013_wr_reg_bits(state, 0xd502, 4, 1, 1);
+ if (ret)
+ goto err;
+ }
+
+ ret = af9013_wr_reg_bits(state, 0xd520, 4, 1, 1);
+ if (ret)
+ goto err;
+
+ /* load OFSM settings */
+ dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__);
+ len = ARRAY_SIZE(ofsm_init);
+ init = ofsm_init;
+ for (i = 0; i < len; i++) {
+ ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
+ init[i].len, init[i].val);
+ if (ret)
+ goto err;
+ }
+
+ /* load tuner specific settings */
+ dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n",
+ __func__);
+ switch (state->config.tuner) {
+ case AF9013_TUNER_MXL5003D:
+ len = ARRAY_SIZE(tuner_init_mxl5003d);
+ init = tuner_init_mxl5003d;
+ break;
+ case AF9013_TUNER_MXL5005D:
+ case AF9013_TUNER_MXL5005R:
+ case AF9013_TUNER_MXL5007T:
+ len = ARRAY_SIZE(tuner_init_mxl5005);
+ init = tuner_init_mxl5005;
+ break;
+ case AF9013_TUNER_ENV77H11D5:
+ len = ARRAY_SIZE(tuner_init_env77h11d5);
+ init = tuner_init_env77h11d5;
+ break;
+ case AF9013_TUNER_MT2060:
+ len = ARRAY_SIZE(tuner_init_mt2060);
+ init = tuner_init_mt2060;
+ break;
+ case AF9013_TUNER_MC44S803:
+ len = ARRAY_SIZE(tuner_init_mc44s803);
+ init = tuner_init_mc44s803;
+ break;
+ case AF9013_TUNER_QT1010:
+ case AF9013_TUNER_QT1010A:
+ len = ARRAY_SIZE(tuner_init_qt1010);
+ init = tuner_init_qt1010;
+ break;
+ case AF9013_TUNER_MT2060_2:
+ len = ARRAY_SIZE(tuner_init_mt2060_2);
+ init = tuner_init_mt2060_2;
+ break;
+ case AF9013_TUNER_TDA18271:
+ case AF9013_TUNER_TDA18218:
+ len = ARRAY_SIZE(tuner_init_tda18271);
+ init = tuner_init_tda18271;
+ break;
+ case AF9013_TUNER_UNKNOWN:
+ default:
+ len = ARRAY_SIZE(tuner_init_unknown);
+ init = tuner_init_unknown;
+ break;
+ }
+
+ for (i = 0; i < len; i++) {
+ ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
+ init[i].len, init[i].val);
+ if (ret)
+ goto err;
+ }
+
+ /* TS mode */
+ ret = af9013_wr_reg_bits(state, 0xd500, 1, 2, state->config.ts_mode);
+ if (ret)
+ goto err;
+
+ /* enable lock led */
+ ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 1);
+ if (ret)
+ goto err;
+
+ /* check if we support signal strength */
+ if (!state->signal_strength_en) {
+ ret = af9013_rd_reg_bits(state, 0x9bee, 0, 1,
+ &state->signal_strength_en);
+ if (ret)
+ goto err;
+ }
+
+ /* read values needed for signal strength calculation */
+ if (state->signal_strength_en && !state->rf_50) {
+ ret = af9013_rd_reg(state, 0x9bbd, &state->rf_50);
+ if (ret)
+ goto err;
+
+ ret = af9013_rd_reg(state, 0x9bd0, &state->rf_80);
+ if (ret)
+ goto err;
+
+ ret = af9013_rd_reg(state, 0x9be2, &state->if_50);
+ if (ret)
+ goto err;
+
+ ret = af9013_rd_reg(state, 0x9be4, &state->if_80);
+ if (ret)
+ goto err;
+ }
+
+ /* SNR */
+ ret = af9013_wr_reg(state, 0xd2e2, 1);
+ if (ret)
+ goto err;
+
+ /* BER / UCB */
+ buf[0] = (10000 >> 0) & 0xff;
+ buf[1] = (10000 >> 8) & 0xff;
+ ret = af9013_wr_regs(state, 0xd385, buf, 2);
+ if (ret)
+ goto err;
+
+ /* enable FEC monitor */
+ ret = af9013_wr_reg_bits(state, 0xd392, 1, 1, 1);
+ if (ret)
+ goto err;
+
+ state->first_tune = true;
+ schedule_delayed_work(&state->statistics_work, msecs_to_jiffies(400));
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_sleep(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ int ret;
+
+ dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+
+ /* stop statistics polling */
+ cancel_delayed_work_sync(&state->statistics_work);
+
+ /* disable lock led */
+ ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 0);
+ if (ret)
+ goto err;
+
+ /* power off */
+ ret = af9013_power_ctrl(state, 0);
+ if (ret)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ int ret;
+ struct af9013_state *state = fe->demodulator_priv;
+
+ dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable);
+
+ /* gate already open or close */
+ if (state->i2c_gate_state == enable)
+ return 0;
+
+ if (state->config.ts_mode == AF9013_TS_USB)
+ ret = af9013_wr_reg_bits(state, 0xd417, 3, 1, enable);
+ else
+ ret = af9013_wr_reg_bits(state, 0xd607, 2, 1, enable);
+ if (ret)
+ goto err;
+
+ state->i2c_gate_state = enable;
+
+ return ret;
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static void af9013_release(struct dvb_frontend *fe)
+{
+ struct af9013_state *state = fe->demodulator_priv;
+ kfree(state);
+}
+
+static struct dvb_frontend_ops af9013_ops;
+
+static int af9013_download_firmware(struct af9013_state *state)
+{
+ int i, len, remaining, ret;
+ const struct firmware *fw;
+ u16 checksum = 0;
+ u8 val;
+ u8 fw_params[4];
+ u8 *fw_file = AF9013_FIRMWARE;
+
+ msleep(100);
+ /* check whether firmware is already running */
+ ret = af9013_rd_reg(state, 0x98be, &val);
+ if (ret)
+ goto err;
+ else
+ dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
+ __func__, val);
+
+ if (val == 0x0c) /* fw is running, no need for download */
+ goto exit;
+
+ dev_info(&state->i2c->dev, "%s: found a '%s' in cold state, will try " \
+ "to load a firmware\n",
+ KBUILD_MODNAME, af9013_ops.info.name);
+
+ /* request the firmware, this will block and timeout */
+ ret = request_firmware(&fw, fw_file, state->i2c->dev.parent);
+ if (ret) {
+ dev_info(&state->i2c->dev, "%s: did not find the firmware " \
+ "file. (%s) Please see linux/Documentation/dvb/ for " \
+ "more details on firmware-problems. (%d)\n",
+ KBUILD_MODNAME, fw_file, ret);
+ goto err;
+ }
+
+ dev_info(&state->i2c->dev, "%s: downloading firmware from file '%s'\n",
+ KBUILD_MODNAME, fw_file);
+
+ /* calc checksum */
+ for (i = 0; i < fw->size; i++)
+ checksum += fw->data[i];
+
+ fw_params[0] = checksum >> 8;
+ fw_params[1] = checksum & 0xff;
+ fw_params[2] = fw->size >> 8;
+ fw_params[3] = fw->size & 0xff;
+
+ /* write fw checksum & size */
+ ret = af9013_write_ofsm_regs(state, 0x50fc,
+ fw_params, sizeof(fw_params));
+ if (ret)
+ goto err_release;
+
+ #define FW_ADDR 0x5100 /* firmware start address */
+ #define LEN_MAX 16 /* max packet size */
+ for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) {
+ len = remaining;
+ if (len > LEN_MAX)
+ len = LEN_MAX;
+
+ ret = af9013_write_ofsm_regs(state,
+ FW_ADDR + fw->size - remaining,
+ (u8 *) &fw->data[fw->size - remaining], len);
+ if (ret) {
+ dev_err(&state->i2c->dev,
+ "%s: firmware download failed=%d\n",
+ KBUILD_MODNAME, ret);
+ goto err_release;
+ }
+ }
+
+ /* request boot firmware */
+ ret = af9013_wr_reg(state, 0xe205, 1);
+ if (ret)
+ goto err_release;
+
+ for (i = 0; i < 15; i++) {
+ msleep(100);
+
+ /* check firmware status */
+ ret = af9013_rd_reg(state, 0x98be, &val);
+ if (ret)
+ goto err_release;
+
+ dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
+ __func__, val);
+
+ if (val == 0x0c || val == 0x04) /* success or fail */
+ break;
+ }
+
+ if (val == 0x04) {
+ dev_err(&state->i2c->dev, "%s: firmware did not run\n",
+ KBUILD_MODNAME);
+ ret = -ENODEV;
+ } else if (val != 0x0c) {
+ dev_err(&state->i2c->dev, "%s: firmware boot timeout\n",
+ KBUILD_MODNAME);
+ ret = -ENODEV;
+ }
+
+err_release:
+ release_firmware(fw);
+err:
+exit:
+ if (!ret)
+ dev_info(&state->i2c->dev, "%s: found a '%s' in warm state\n",
+ KBUILD_MODNAME, af9013_ops.info.name);
+ return ret;
+}
+
+struct dvb_frontend *af9013_attach(const struct af9013_config *config,
+ struct i2c_adapter *i2c)
+{
+ int ret;
+ struct af9013_state *state = NULL;
+ u8 buf[4], i;
+
+ /* allocate memory for the internal state */
+ state = kzalloc(sizeof(struct af9013_state), GFP_KERNEL);
+ if (state == NULL)
+ goto err;
+
+ /* setup the state */
+ state->i2c = i2c;
+ memcpy(&state->config, config, sizeof(struct af9013_config));
+
+ /* download firmware */
+ if (state->config.ts_mode != AF9013_TS_USB) {
+ ret = af9013_download_firmware(state);
+ if (ret)
+ goto err;
+ }
+
+ /* firmware version */
+ ret = af9013_rd_regs(state, 0x5103, buf, 4);
+ if (ret)
+ goto err;
+
+ dev_info(&state->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",
+ KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]);
+
+ /* set GPIOs */
+ for (i = 0; i < sizeof(state->config.gpio); i++) {
+ ret = af9013_set_gpio(state, i, state->config.gpio[i]);
+ if (ret)
+ goto err;
+ }
+
+ /* create dvb_frontend */
+ memcpy(&state->fe.ops, &af9013_ops,
+ sizeof(struct dvb_frontend_ops));
+ state->fe.demodulator_priv = state;
+
+ INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);
+
+ return &state->fe;
+err:
+ kfree(state);
+ return NULL;
+}
+EXPORT_SYMBOL(af9013_attach);
+
+static struct dvb_frontend_ops af9013_ops = {
+ .delsys = { SYS_DVBT },
+ .info = {
+ .name = "Afatech AF9013",
+ .frequency_min = 174000000,
+ .frequency_max = 862000000,
+ .frequency_stepsize = 250000,
+ .frequency_tolerance = 0,
+ .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
+ },
+
+ .release = af9013_release,
+
+ .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,
+
+ .i2c_gate_ctrl = af9013_i2c_gate_ctrl,
+};
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver");
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(AF9013_FIRMWARE);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 23:13:48 +0000