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Diffstat (limited to 'drivers/media/dvb/frontends/af9033.c')
-rw-r--r--drivers/media/dvb/frontends/af9033.c980
1 files changed, 0 insertions, 980 deletions
diff --git a/drivers/media/dvb/frontends/af9033.c b/drivers/media/dvb/frontends/af9033.c
deleted file mode 100644
index a38998286260..000000000000
--- a/drivers/media/dvb/frontends/af9033.c
+++ /dev/null
@@ -1,980 +0,0 @@
-/*
- * Afatech AF9033 demodulator driver
- *
- * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
- * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "af9033_priv.h"
-
-struct af9033_state {
- struct i2c_adapter *i2c;
- struct dvb_frontend fe;
- struct af9033_config cfg;
-
- u32 bandwidth_hz;
- bool ts_mode_parallel;
- bool ts_mode_serial;
-
- u32 ber;
- u32 ucb;
- unsigned long last_stat_check;
-};
-
-/* write multiple registers */
-static int af9033_wr_regs(struct af9033_state *state, u32 reg, const u8 *val,
- int len)
-{
- int ret;
- u8 buf[3 + len];
- struct i2c_msg msg[1] = {
- {
- .addr = state->cfg.i2c_addr,
- .flags = 0,
- .len = sizeof(buf),
- .buf = buf,
- }
- };
-
- buf[0] = (reg >> 16) & 0xff;
- buf[1] = (reg >> 8) & 0xff;
- buf[2] = (reg >> 0) & 0xff;
- memcpy(&buf[3], val, len);
-
- ret = i2c_transfer(state->i2c, msg, 1);
- if (ret == 1) {
- ret = 0;
- } else {
- printk(KERN_WARNING "%s: i2c wr failed=%d reg=%06x len=%d\n",
- __func__, ret, reg, len);
- ret = -EREMOTEIO;
- }
-
- return ret;
-}
-
-/* read multiple registers */
-static int af9033_rd_regs(struct af9033_state *state, u32 reg, u8 *val, int len)
-{
- int ret;
- u8 buf[3] = { (reg >> 16) & 0xff, (reg >> 8) & 0xff,
- (reg >> 0) & 0xff };
- struct i2c_msg msg[2] = {
- {
- .addr = state->cfg.i2c_addr,
- .flags = 0,
- .len = sizeof(buf),
- .buf = buf
- }, {
- .addr = state->cfg.i2c_addr,
- .flags = I2C_M_RD,
- .len = len,
- .buf = val
- }
- };
-
- ret = i2c_transfer(state->i2c, msg, 2);
- if (ret == 2) {
- ret = 0;
- } else {
- printk(KERN_WARNING "%s: i2c rd failed=%d reg=%06x len=%d\n",
- __func__, ret, reg, len);
- ret = -EREMOTEIO;
- }
-
- return ret;
-}
-
-
-/* write single register */
-static int af9033_wr_reg(struct af9033_state *state, u32 reg, u8 val)
-{
- return af9033_wr_regs(state, reg, &val, 1);
-}
-
-/* read single register */
-static int af9033_rd_reg(struct af9033_state *state, u32 reg, u8 *val)
-{
- return af9033_rd_regs(state, reg, val, 1);
-}
-
-/* write single register with mask */
-static int af9033_wr_reg_mask(struct af9033_state *state, u32 reg, u8 val,
- u8 mask)
-{
- int ret;
- u8 tmp;
-
- /* no need for read if whole reg is written */
- if (mask != 0xff) {
- ret = af9033_rd_regs(state, reg, &tmp, 1);
- if (ret)
- return ret;
-
- val &= mask;
- tmp &= ~mask;
- val |= tmp;
- }
-
- return af9033_wr_regs(state, reg, &val, 1);
-}
-
-/* read single register with mask */
-static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val,
- u8 mask)
-{
- int ret, i;
- u8 tmp;
-
- ret = af9033_rd_regs(state, reg, &tmp, 1);
- if (ret)
- return ret;
-
- tmp &= mask;
-
- /* find position of the first bit */
- for (i = 0; i < 8; i++) {
- if ((mask >> i) & 0x01)
- break;
- }
- *val = tmp >> i;
-
- return 0;
-}
-
-static u32 af9033_div(u32 a, u32 b, u32 x)
-{
- u32 r = 0, c = 0, i;
-
- pr_debug("%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;
-
- pr_debug("%s: a=%d b=%d x=%d r=%d r=%x\n", __func__, a, b, x, r, r);
-
- return r;
-}
-
-static void af9033_release(struct dvb_frontend *fe)
-{
- struct af9033_state *state = fe->demodulator_priv;
-
- kfree(state);
-}
-
-static int af9033_init(struct dvb_frontend *fe)
-{
- struct af9033_state *state = fe->demodulator_priv;
- int ret, i, len;
- const struct reg_val *init;
- u8 buf[4];
- u32 adc_cw, clock_cw;
- struct reg_val_mask tab[] = {
- { 0x80fb24, 0x00, 0x08 },
- { 0x80004c, 0x00, 0xff },
- { 0x00f641, state->cfg.tuner, 0xff },
- { 0x80f5ca, 0x01, 0x01 },
- { 0x80f715, 0x01, 0x01 },
- { 0x00f41f, 0x04, 0x04 },
- { 0x00f41a, 0x01, 0x01 },
- { 0x80f731, 0x00, 0x01 },
- { 0x00d91e, 0x00, 0x01 },
- { 0x00d919, 0x00, 0x01 },
- { 0x80f732, 0x00, 0x01 },
- { 0x00d91f, 0x00, 0x01 },
- { 0x00d91a, 0x00, 0x01 },
- { 0x80f730, 0x00, 0x01 },
- { 0x80f778, 0x00, 0xff },
- { 0x80f73c, 0x01, 0x01 },
- { 0x80f776, 0x00, 0x01 },
- { 0x00d8fd, 0x01, 0xff },
- { 0x00d830, 0x01, 0xff },
- { 0x00d831, 0x00, 0xff },
- { 0x00d832, 0x00, 0xff },
- { 0x80f985, state->ts_mode_serial, 0x01 },
- { 0x80f986, state->ts_mode_parallel, 0x01 },
- { 0x00d827, 0x00, 0xff },
- { 0x00d829, 0x00, 0xff },
- };
-
- /* program clock control */
- clock_cw = af9033_div(state->cfg.clock, 1000000ul, 19ul);
- buf[0] = (clock_cw >> 0) & 0xff;
- buf[1] = (clock_cw >> 8) & 0xff;
- buf[2] = (clock_cw >> 16) & 0xff;
- buf[3] = (clock_cw >> 24) & 0xff;
-
- pr_debug("%s: clock=%d clock_cw=%08x\n", __func__, state->cfg.clock,
- clock_cw);
-
- ret = af9033_wr_regs(state, 0x800025, buf, 4);
- if (ret < 0)
- goto err;
-
- /* program ADC control */
- for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) {
- if (clock_adc_lut[i].clock == state->cfg.clock)
- break;
- }
-
- adc_cw = af9033_div(clock_adc_lut[i].adc, 1000000ul, 19ul);
- buf[0] = (adc_cw >> 0) & 0xff;
- buf[1] = (adc_cw >> 8) & 0xff;
- buf[2] = (adc_cw >> 16) & 0xff;
-
- pr_debug("%s: adc=%d adc_cw=%06x\n", __func__, clock_adc_lut[i].adc,
- adc_cw);
-
- ret = af9033_wr_regs(state, 0x80f1cd, buf, 3);
- if (ret < 0)
- goto err;
-
- /* program register table */
- for (i = 0; i < ARRAY_SIZE(tab); i++) {
- ret = af9033_wr_reg_mask(state, tab[i].reg, tab[i].val,
- tab[i].mask);
- if (ret < 0)
- goto err;
- }
-
- /* settings for TS interface */
- if (state->cfg.ts_mode == AF9033_TS_MODE_USB) {
- ret = af9033_wr_reg_mask(state, 0x80f9a5, 0x00, 0x01);
- if (ret < 0)
- goto err;
-
- ret = af9033_wr_reg_mask(state, 0x80f9b5, 0x01, 0x01);
- if (ret < 0)
- goto err;
- } else {
- ret = af9033_wr_reg_mask(state, 0x80f990, 0x00, 0x01);
- if (ret < 0)
- goto err;
-
- ret = af9033_wr_reg_mask(state, 0x80f9b5, 0x00, 0x01);
- if (ret < 0)
- goto err;
- }
-
- /* load OFSM settings */
- pr_debug("%s: load ofsm settings\n", __func__);
- len = ARRAY_SIZE(ofsm_init);
- init = ofsm_init;
- for (i = 0; i < len; i++) {
- ret = af9033_wr_reg(state, init[i].reg, init[i].val);
- if (ret < 0)
- goto err;
- }
-
- /* load tuner specific settings */
- pr_debug("%s: load tuner specific settings\n",
- __func__);
- switch (state->cfg.tuner) {
- case AF9033_TUNER_TUA9001:
- len = ARRAY_SIZE(tuner_init_tua9001);
- init = tuner_init_tua9001;
- break;
- case AF9033_TUNER_FC0011:
- len = ARRAY_SIZE(tuner_init_fc0011);
- init = tuner_init_fc0011;
- break;
- case AF9033_TUNER_MXL5007T:
- len = ARRAY_SIZE(tuner_init_mxl5007t);
- init = tuner_init_mxl5007t;
- break;
- case AF9033_TUNER_TDA18218:
- len = ARRAY_SIZE(tuner_init_tda18218);
- init = tuner_init_tda18218;
- break;
- default:
- pr_debug("%s: unsupported tuner ID=%d\n", __func__,
- state->cfg.tuner);
- ret = -ENODEV;
- goto err;
- }
-
- for (i = 0; i < len; i++) {
- ret = af9033_wr_reg(state, init[i].reg, init[i].val);
- if (ret < 0)
- goto err;
- }
-
- state->bandwidth_hz = 0; /* force to program all parameters */
-
- return 0;
-
-err:
- pr_debug("%s: failed=%d\n", __func__, ret);
-
- return ret;
-}
-
-static int af9033_sleep(struct dvb_frontend *fe)
-{
- struct af9033_state *state = fe->demodulator_priv;
- int ret, i;
- u8 tmp;
-
- ret = af9033_wr_reg(state, 0x80004c, 1);
- if (ret < 0)
- goto err;
-
- ret = af9033_wr_reg(state, 0x800000, 0);
- if (ret < 0)
- goto err;
-
- for (i = 100, tmp = 1; i && tmp; i--) {
- ret = af9033_rd_reg(state, 0x80004c, &tmp);
- if (ret < 0)
- goto err;
-
- usleep_range(200, 10000);
- }
-
- pr_debug("%s: loop=%d\n", __func__, i);
-
- if (i == 0) {
- ret = -ETIMEDOUT;
- goto err;
- }
-
- ret = af9033_wr_reg_mask(state, 0x80fb24, 0x08, 0x08);
- if (ret < 0)
- goto err;
-
- /* prevent current leak (?) */
- if (state->cfg.ts_mode == AF9033_TS_MODE_SERIAL) {
- /* enable parallel TS */
- ret = af9033_wr_reg_mask(state, 0x00d917, 0x00, 0x01);
- if (ret < 0)
- goto err;
-
- ret = af9033_wr_reg_mask(state, 0x00d916, 0x01, 0x01);
- if (ret < 0)
- goto err;
- }
-
- return 0;
-
-err:
- pr_debug("%s: failed=%d\n", __func__, ret);
-
- return ret;
-}
-
-static int af9033_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 af9033_set_frontend(struct dvb_frontend *fe)
-{
- struct af9033_state *state = fe->demodulator_priv;
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret, i, spec_inv;
- u8 tmp, buf[3], bandwidth_reg_val;
- u32 if_frequency, freq_cw, adc_freq;
-
- pr_debug("%s: frequency=%d bandwidth_hz=%d\n", __func__, c->frequency,
- c->bandwidth_hz);
-
- /* check bandwidth */
- switch (c->bandwidth_hz) {
- case 6000000:
- bandwidth_reg_val = 0x00;
- break;
- case 7000000:
- bandwidth_reg_val = 0x01;
- break;
- case 8000000:
- bandwidth_reg_val = 0x02;
- break;
- default:
- pr_debug("%s: invalid bandwidth_hz\n", __func__);
- ret = -EINVAL;
- goto err;
- }
-
- /* 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->cfg.clock &&
- coeff_lut[i].bandwidth_hz == c->bandwidth_hz) {
- break;
- }
- }
- ret = af9033_wr_regs(state, 0x800001,
- coeff_lut[i].val, sizeof(coeff_lut[i].val));
- }
-
- /* program frequency control */
- if (c->bandwidth_hz != state->bandwidth_hz) {
- spec_inv = state->cfg.spec_inv ? -1 : 1;
-
- for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) {
- if (clock_adc_lut[i].clock == state->cfg.clock)
- break;
- }
- adc_freq = clock_adc_lut[i].adc;
-
- /* 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 = 0;
-
- while (if_frequency > (adc_freq / 2))
- if_frequency -= adc_freq;
-
- if (if_frequency >= 0)
- spec_inv *= -1;
- else
- if_frequency *= -1;
-
- freq_cw = af9033_div(if_frequency, adc_freq, 23ul);
-
- if (spec_inv == -1)
- freq_cw *= -1;
-
- /* get adc multiplies */
- ret = af9033_rd_reg(state, 0x800045, &tmp);
- if (ret < 0)
- goto err;
-
- if (tmp == 1)
- freq_cw /= 2;
-
- buf[0] = (freq_cw >> 0) & 0xff;
- buf[1] = (freq_cw >> 8) & 0xff;
- buf[2] = (freq_cw >> 16) & 0x7f;
- ret = af9033_wr_regs(state, 0x800029, buf, 3);
- if (ret < 0)
- goto err;
-
- state->bandwidth_hz = c->bandwidth_hz;
- }
-
- ret = af9033_wr_reg_mask(state, 0x80f904, bandwidth_reg_val, 0x03);
- if (ret < 0)
- goto err;
-
- ret = af9033_wr_reg(state, 0x800040, 0x00);
- if (ret < 0)
- goto err;
-
- ret = af9033_wr_reg(state, 0x800047, 0x00);
- if (ret < 0)
- goto err;
-
- ret = af9033_wr_reg_mask(state, 0x80f999, 0x00, 0x01);
- if (ret < 0)
- goto err;
-
- if (c->frequency <= 230000000)
- tmp = 0x00; /* VHF */
- else
- tmp = 0x01; /* UHF */
-
- ret = af9033_wr_reg(state, 0x80004b, tmp);
- if (ret < 0)
- goto err;
-
- ret = af9033_wr_reg(state, 0x800000, 0x00);
- if (ret < 0)
- goto err;
-
- return 0;
-
-err:
- pr_debug("%s: failed=%d\n", __func__, ret);
-
- return ret;
-}
-
-static int af9033_get_frontend(struct dvb_frontend *fe)
-{
- struct af9033_state *state = fe->demodulator_priv;
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret;
- u8 buf[8];
-
- pr_debug("%s\n", __func__);
-
- /* read all needed registers */
- ret = af9033_rd_regs(state, 0x80f900, buf, sizeof(buf));
- if (ret < 0)
- goto err;
-
- switch ((buf[0] >> 0) & 3) {
- case 0:
- c->transmission_mode = TRANSMISSION_MODE_2K;
- break;
- case 1:
- c->transmission_mode = TRANSMISSION_MODE_8K;
- break;
- }
-
- switch ((buf[1] >> 0) & 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[2] >> 0) & 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[3] >> 0) & 3) {
- case 0:
- c->modulation = QPSK;
- break;
- case 1:
- c->modulation = QAM_16;
- break;
- case 2:
- c->modulation = QAM_64;
- break;
- }
-
- switch ((buf[4] >> 0) & 3) {
- case 0:
- c->bandwidth_hz = 6000000;
- break;
- case 1:
- c->bandwidth_hz = 7000000;
- break;
- case 2:
- c->bandwidth_hz = 8000000;
- break;
- }
-
- switch ((buf[6] >> 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;
- case 5:
- c->code_rate_HP = FEC_NONE;
- break;
- }
-
- switch ((buf[7] >> 0) & 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;
- case 5:
- c->code_rate_LP = FEC_NONE;
- break;
- }
-
- return 0;
-
-err:
- pr_debug("%s: failed=%d\n", __func__, ret);
-
- return ret;
-}
-
-static int af9033_read_status(struct dvb_frontend *fe, fe_status_t *status)
-{
- struct af9033_state *state = fe->demodulator_priv;
- int ret;
- u8 tmp;
-
- *status = 0;
-
- /* radio channel status, 0=no result, 1=has signal, 2=no signal */
- ret = af9033_rd_reg(state, 0x800047, &tmp);
- if (ret < 0)
- goto err;
-
- /* has signal */
- if (tmp == 0x01)
- *status |= FE_HAS_SIGNAL;
-
- if (tmp != 0x02) {
- /* TPS lock */
- ret = af9033_rd_reg_mask(state, 0x80f5a9, &tmp, 0x01);
- if (ret < 0)
- goto err;
-
- if (tmp)
- *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
- FE_HAS_VITERBI;
-
- /* full lock */
- ret = af9033_rd_reg_mask(state, 0x80f999, &tmp, 0x01);
- if (ret < 0)
- goto err;
-
- if (tmp)
- *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
- FE_HAS_VITERBI | FE_HAS_SYNC |
- FE_HAS_LOCK;
- }
-
- return 0;
-
-err:
- pr_debug("%s: failed=%d\n", __func__, ret);
-
- return ret;
-}
-
-static int af9033_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
- struct af9033_state *state = fe->demodulator_priv;
- int ret, i, len;
- u8 buf[3], tmp;
- u32 snr_val;
- const struct val_snr *uninitialized_var(snr_lut);
-
- /* read value */
- ret = af9033_rd_regs(state, 0x80002c, buf, 3);
- if (ret < 0)
- goto err;
-
- snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];
-
- /* read current modulation */
- ret = af9033_rd_reg(state, 0x80f903, &tmp);
- if (ret < 0)
- goto err;
-
- switch ((tmp >> 0) & 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;
- }
-
- for (i = 0; i < len; i++) {
- tmp = snr_lut[i].snr;
-
- if (snr_val < snr_lut[i].val)
- break;
- }
-
- *snr = tmp * 10; /* dB/10 */
-
- return 0;
-
-err:
- pr_debug("%s: failed=%d\n", __func__, ret);
-
- return ret;
-}
-
-static int af9033_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
-{
- struct af9033_state *state = fe->demodulator_priv;
- int ret;
- u8 strength2;
-
- /* read signal strength of 0-100 scale */
- ret = af9033_rd_reg(state, 0x800048, &strength2);
- if (ret < 0)
- goto err;
-
- /* scale value to 0x0000-0xffff */
- *strength = strength2 * 0xffff / 100;
-
- return 0;
-
-err:
- pr_debug("%s: failed=%d\n", __func__, ret);
-
- return ret;
-}
-
-static int af9033_update_ch_stat(struct af9033_state *state)
-{
- int ret = 0;
- u32 err_cnt, bit_cnt;
- u16 abort_cnt;
- u8 buf[7];
-
- /* only update data every half second */
- if (time_after(jiffies, state->last_stat_check + msecs_to_jiffies(500))) {
- ret = af9033_rd_regs(state, 0x800032, buf, sizeof(buf));
- if (ret < 0)
- goto err;
- /* in 8 byte packets? */
- abort_cnt = (buf[1] << 8) + buf[0];
- /* in bits */
- err_cnt = (buf[4] << 16) + (buf[3] << 8) + buf[2];
- /* in 8 byte packets? always(?) 0x2710 = 10000 */
- bit_cnt = (buf[6] << 8) + buf[5];
-
- if (bit_cnt < abort_cnt) {
- abort_cnt = 1000;
- state->ber = 0xffffffff;
- } else {
- /* 8 byte packets, that have not been rejected already */
- bit_cnt -= (u32)abort_cnt;
- if (bit_cnt == 0) {
- state->ber = 0xffffffff;
- } else {
- err_cnt -= (u32)abort_cnt * 8 * 8;
- bit_cnt *= 8 * 8;
- state->ber = err_cnt * (0xffffffff / bit_cnt);
- }
- }
- state->ucb += abort_cnt;
- state->last_stat_check = jiffies;
- }
-
- return 0;
-err:
- pr_debug("%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-static int af9033_read_ber(struct dvb_frontend *fe, u32 *ber)
-{
- struct af9033_state *state = fe->demodulator_priv;
- int ret;
-
- ret = af9033_update_ch_stat(state);
- if (ret < 0)
- return ret;
-
- *ber = state->ber;
-
- return 0;
-}
-
-static int af9033_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
-{
- struct af9033_state *state = fe->demodulator_priv;
- int ret;
-
- ret = af9033_update_ch_stat(state);
- if (ret < 0)
- return ret;
-
- *ucblocks = state->ucb;
-
- return 0;
-}
-
-static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
-{
- struct af9033_state *state = fe->demodulator_priv;
- int ret;
-
- pr_debug("%s: enable=%d\n", __func__, enable);
-
- ret = af9033_wr_reg_mask(state, 0x00fa04, enable, 0x01);
- if (ret < 0)
- goto err;
-
- return 0;
-
-err:
- pr_debug("%s: failed=%d\n", __func__, ret);
-
- return ret;
-}
-
-static struct dvb_frontend_ops af9033_ops;
-
-struct dvb_frontend *af9033_attach(const struct af9033_config *config,
- struct i2c_adapter *i2c)
-{
- int ret;
- struct af9033_state *state;
- u8 buf[8];
-
- pr_debug("%s:\n", __func__);
-
- /* allocate memory for the internal state */
- state = kzalloc(sizeof(struct af9033_state), GFP_KERNEL);
- if (state == NULL)
- goto err;
-
- /* setup the state */
- state->i2c = i2c;
- memcpy(&state->cfg, config, sizeof(struct af9033_config));
-
- if (state->cfg.clock != 12000000) {
- printk(KERN_INFO "af9033: unsupported clock=%d, only " \
- "12000000 Hz is supported currently\n",
- state->cfg.clock);
- goto err;
- }
-
- /* firmware version */
- ret = af9033_rd_regs(state, 0x0083e9, &buf[0], 4);
- if (ret < 0)
- goto err;
-
- ret = af9033_rd_regs(state, 0x804191, &buf[4], 4);
- if (ret < 0)
- goto err;
-
- printk(KERN_INFO "af9033: firmware version: LINK=%d.%d.%d.%d " \
- "OFDM=%d.%d.%d.%d\n", buf[0], buf[1], buf[2], buf[3],
- buf[4], buf[5], buf[6], buf[7]);
-
- /* configure internal TS mode */
- switch (state->cfg.ts_mode) {
- case AF9033_TS_MODE_PARALLEL:
- state->ts_mode_parallel = true;
- break;
- case AF9033_TS_MODE_SERIAL:
- state->ts_mode_serial = true;
- break;
- case AF9033_TS_MODE_USB:
- /* usb mode for AF9035 */
- default:
- break;
- }
-
- /* create dvb_frontend */
- memcpy(&state->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops));
- state->fe.demodulator_priv = state;
-
- return &state->fe;
-
-err:
- kfree(state);
- return NULL;
-}
-EXPORT_SYMBOL(af9033_attach);
-
-static struct dvb_frontend_ops af9033_ops = {
- .delsys = { SYS_DVBT },
- .info = {
- .name = "Afatech AF9033 (DVB-T)",
- .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 = af9033_release,
-
- .init = af9033_init,
- .sleep = af9033_sleep,
-
- .get_tune_settings = af9033_get_tune_settings,
- .set_frontend = af9033_set_frontend,
- .get_frontend = af9033_get_frontend,
-
- .read_status = af9033_read_status,
- .read_snr = af9033_read_snr,
- .read_signal_strength = af9033_read_signal_strength,
- .read_ber = af9033_read_ber,
- .read_ucblocks = af9033_read_ucblocks,
-
- .i2c_gate_ctrl = af9033_i2c_gate_ctrl,
-};
-
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_DESCRIPTION("Afatech AF9033 DVB-T demodulator driver");
-MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-22 03:35:03 +0000