[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/media/dvb-frontends/si2168.c b/src/kernel/linux/v4.14/drivers/media/dvb-frontends/si2168.c
new file mode 100644
index 0000000..24840a2
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/media/dvb-frontends/si2168.c
@@ -0,0 +1,836 @@
+/*
+ * Silicon Labs Si2168 DVB-T/T2/C demodulator driver
+ *
+ * Copyright (C) 2014 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.
+ */
+
+#include <linux/delay.h>
+
+#include "si2168_priv.h"
+
+static const struct dvb_frontend_ops si2168_ops;
+
+/* execute firmware command */
+static int si2168_cmd_execute(struct i2c_client *client, struct si2168_cmd *cmd)
+{
+ struct si2168_dev *dev = i2c_get_clientdata(client);
+ int ret;
+ unsigned long timeout;
+
+ mutex_lock(&dev->i2c_mutex);
+
+ if (cmd->wlen) {
+ /* write cmd and args for firmware */
+ ret = i2c_master_send(client, cmd->args, cmd->wlen);
+ if (ret < 0) {
+ goto err_mutex_unlock;
+ } else if (ret != cmd->wlen) {
+ ret = -EREMOTEIO;
+ goto err_mutex_unlock;
+ }
+ }
+
+ if (cmd->rlen) {
+ /* wait cmd execution terminate */
+ #define TIMEOUT 70
+ timeout = jiffies + msecs_to_jiffies(TIMEOUT);
+ while (!time_after(jiffies, timeout)) {
+ ret = i2c_master_recv(client, cmd->args, cmd->rlen);
+ if (ret < 0) {
+ goto err_mutex_unlock;
+ } else if (ret != cmd->rlen) {
+ ret = -EREMOTEIO;
+ goto err_mutex_unlock;
+ }
+
+ /* firmware ready? */
+ if ((cmd->args[0] >> 7) & 0x01)
+ break;
+ }
+
+ dev_dbg(&client->dev, "cmd execution took %d ms\n",
+ jiffies_to_msecs(jiffies) -
+ (jiffies_to_msecs(timeout) - TIMEOUT));
+
+ /* error bit set? */
+ if ((cmd->args[0] >> 6) & 0x01) {
+ ret = -EREMOTEIO;
+ goto err_mutex_unlock;
+ }
+
+ if (!((cmd->args[0] >> 7) & 0x01)) {
+ ret = -ETIMEDOUT;
+ goto err_mutex_unlock;
+ }
+ }
+
+ mutex_unlock(&dev->i2c_mutex);
+ return 0;
+err_mutex_unlock:
+ mutex_unlock(&dev->i2c_mutex);
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int si2168_read_status(struct dvb_frontend *fe, enum fe_status *status)
+{
+ struct i2c_client *client = fe->demodulator_priv;
+ struct si2168_dev *dev = i2c_get_clientdata(client);
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret, i;
+ unsigned int utmp, utmp1, utmp2;
+ struct si2168_cmd cmd;
+
+ *status = 0;
+
+ if (!dev->active) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ switch (c->delivery_system) {
+ case SYS_DVBT:
+ memcpy(cmd.args, "\xa0\x01", 2);
+ cmd.wlen = 2;
+ cmd.rlen = 13;
+ break;
+ case SYS_DVBC_ANNEX_A:
+ memcpy(cmd.args, "\x90\x01", 2);
+ cmd.wlen = 2;
+ cmd.rlen = 9;
+ break;
+ case SYS_DVBT2:
+ memcpy(cmd.args, "\x50\x01", 2);
+ cmd.wlen = 2;
+ cmd.rlen = 14;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ switch ((cmd.args[2] >> 1) & 0x03) {
+ case 0x01:
+ *status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
+ break;
+ case 0x03:
+ *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
+ FE_HAS_SYNC | FE_HAS_LOCK;
+ break;
+ }
+
+ dev->fe_status = *status;
+
+ if (*status & FE_HAS_LOCK) {
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+ c->cnr.stat[0].svalue = cmd.args[3] * 1000 / 4;
+ } else {
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
+
+ dev_dbg(&client->dev, "status=%02x args=%*ph\n",
+ *status, cmd.rlen, cmd.args);
+
+ /* BER */
+ if (*status & FE_HAS_VITERBI) {
+ memcpy(cmd.args, "\x82\x00", 2);
+ cmd.wlen = 2;
+ cmd.rlen = 3;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ /*
+ * Firmware returns [0, 255] mantissa and [0, 8] exponent.
+ * Convert to DVB API: mantissa * 10^(8 - exponent) / 10^8
+ */
+ utmp = clamp(8 - cmd.args[1], 0, 8);
+ for (i = 0, utmp1 = 1; i < utmp; i++)
+ utmp1 = utmp1 * 10;
+
+ utmp1 = cmd.args[2] * utmp1;
+ utmp2 = 100000000; /* 10^8 */
+
+ dev_dbg(&client->dev,
+ "post_bit_error=%u post_bit_count=%u ber=%u*10^-%u\n",
+ utmp1, utmp2, cmd.args[2], cmd.args[1]);
+
+ 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;
+ } else {
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
+
+ /* UCB */
+ if (*status & FE_HAS_SYNC) {
+ memcpy(cmd.args, "\x84\x01", 2);
+ cmd.wlen = 2;
+ cmd.rlen = 3;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ utmp1 = cmd.args[2] << 8 | cmd.args[1] << 0;
+ dev_dbg(&client->dev, "block_error=%u\n", utmp1);
+
+ /* Sometimes firmware returns bogus value */
+ if (utmp1 == 0xffff)
+ utmp1 = 0;
+
+ c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_error.stat[0].uvalue += utmp1;
+ } else {
+ c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int si2168_set_frontend(struct dvb_frontend *fe)
+{
+ struct i2c_client *client = fe->demodulator_priv;
+ struct si2168_dev *dev = i2c_get_clientdata(client);
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret;
+ struct si2168_cmd cmd;
+ u8 bandwidth, delivery_system;
+
+ dev_dbg(&client->dev,
+ "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%u stream_id=%u\n",
+ c->delivery_system, c->modulation, c->frequency,
+ c->bandwidth_hz, c->symbol_rate, c->inversion,
+ c->stream_id);
+
+ if (!dev->active) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ switch (c->delivery_system) {
+ case SYS_DVBT:
+ delivery_system = 0x20;
+ break;
+ case SYS_DVBC_ANNEX_A:
+ delivery_system = 0x30;
+ break;
+ case SYS_DVBT2:
+ delivery_system = 0x70;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (c->bandwidth_hz == 0) {
+ ret = -EINVAL;
+ goto err;
+ } else if (c->bandwidth_hz <= 2000000)
+ bandwidth = 0x02;
+ else if (c->bandwidth_hz <= 5000000)
+ bandwidth = 0x05;
+ else if (c->bandwidth_hz <= 6000000)
+ bandwidth = 0x06;
+ else if (c->bandwidth_hz <= 7000000)
+ bandwidth = 0x07;
+ else if (c->bandwidth_hz <= 8000000)
+ bandwidth = 0x08;
+ else if (c->bandwidth_hz <= 9000000)
+ bandwidth = 0x09;
+ else if (c->bandwidth_hz <= 10000000)
+ bandwidth = 0x0a;
+ else
+ bandwidth = 0x0f;
+
+ /* program tuner */
+ if (fe->ops.tuner_ops.set_params) {
+ ret = fe->ops.tuner_ops.set_params(fe);
+ if (ret)
+ goto err;
+ }
+
+ memcpy(cmd.args, "\x88\x02\x02\x02\x02", 5);
+ cmd.wlen = 5;
+ cmd.rlen = 5;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ /* that has no big effect */
+ if (c->delivery_system == SYS_DVBT)
+ memcpy(cmd.args, "\x89\x21\x06\x11\xff\x98", 6);
+ else if (c->delivery_system == SYS_DVBC_ANNEX_A)
+ memcpy(cmd.args, "\x89\x21\x06\x11\x89\xf0", 6);
+ else if (c->delivery_system == SYS_DVBT2)
+ memcpy(cmd.args, "\x89\x21\x06\x11\x89\x20", 6);
+ cmd.wlen = 6;
+ cmd.rlen = 3;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ if (c->delivery_system == SYS_DVBT2) {
+ /* select PLP */
+ cmd.args[0] = 0x52;
+ cmd.args[1] = c->stream_id & 0xff;
+ cmd.args[2] = c->stream_id == NO_STREAM_ID_FILTER ? 0 : 1;
+ cmd.wlen = 3;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+ }
+
+ memcpy(cmd.args, "\x51\x03", 2);
+ cmd.wlen = 2;
+ cmd.rlen = 12;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x12\x08\x04", 3);
+ cmd.wlen = 3;
+ cmd.rlen = 3;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x14\x00\x0c\x10\x12\x00", 6);
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x14\x00\x06\x10\x24\x00", 6);
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x14\x00\x07\x10\x00\x24", 6);
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x14\x00\x0a\x10\x00\x00", 6);
+ cmd.args[4] = delivery_system | bandwidth;
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ /* set DVB-C symbol rate */
+ if (c->delivery_system == SYS_DVBC_ANNEX_A) {
+ memcpy(cmd.args, "\x14\x00\x02\x11", 4);
+ cmd.args[4] = ((c->symbol_rate / 1000) >> 0) & 0xff;
+ cmd.args[5] = ((c->symbol_rate / 1000) >> 8) & 0xff;
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+ }
+
+ memcpy(cmd.args, "\x14\x00\x0f\x10\x10\x00", 6);
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x14\x00\x09\x10\xe3\x08", 6);
+ cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10;
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x14\x00\x08\x10\xd7\x05", 6);
+ cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10;
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x14\x00\x01\x12\x00\x00", 6);
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x00", 6);
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x85", 1);
+ cmd.wlen = 1;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ dev->delivery_system = c->delivery_system;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int si2168_init(struct dvb_frontend *fe)
+{
+ struct i2c_client *client = fe->demodulator_priv;
+ struct si2168_dev *dev = i2c_get_clientdata(client);
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret, len, remaining;
+ const struct firmware *fw;
+ struct si2168_cmd cmd;
+
+ dev_dbg(&client->dev, "\n");
+
+ /* initialize */
+ memcpy(cmd.args, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00", 13);
+ cmd.wlen = 13;
+ cmd.rlen = 0;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ if (dev->warm) {
+ /* resume */
+ memcpy(cmd.args, "\xc0\x06\x08\x0f\x00\x20\x21\x01", 8);
+ cmd.wlen = 8;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ udelay(100);
+ memcpy(cmd.args, "\x85", 1);
+ cmd.wlen = 1;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ goto warm;
+ }
+
+ /* power up */
+ memcpy(cmd.args, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8);
+ cmd.wlen = 8;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ /* request the firmware, this will block and timeout */
+ ret = request_firmware(&fw, dev->firmware_name, &client->dev);
+ if (ret) {
+ /* fallback mechanism to handle old name for Si2168 B40 fw */
+ if (dev->chip_id == SI2168_CHIP_ID_B40) {
+ dev->firmware_name = SI2168_B40_FIRMWARE_FALLBACK;
+ ret = request_firmware(&fw, dev->firmware_name,
+ &client->dev);
+ }
+
+ if (ret == 0) {
+ dev_notice(&client->dev,
+ "please install firmware file '%s'\n",
+ SI2168_B40_FIRMWARE);
+ } else {
+ dev_err(&client->dev,
+ "firmware file '%s' not found\n",
+ dev->firmware_name);
+ goto err_release_firmware;
+ }
+ }
+
+ dev_info(&client->dev, "downloading firmware from file '%s'\n",
+ dev->firmware_name);
+
+ if ((fw->size % 17 == 0) && (fw->data[0] > 5)) {
+ /* firmware is in the new format */
+ for (remaining = fw->size; remaining > 0; remaining -= 17) {
+ len = fw->data[fw->size - remaining];
+ if (len > SI2168_ARGLEN) {
+ ret = -EINVAL;
+ break;
+ }
+ memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len);
+ cmd.wlen = len;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ break;
+ }
+ } else if (fw->size % 8 == 0) {
+ /* firmware is in the old format */
+ for (remaining = fw->size; remaining > 0; remaining -= 8) {
+ len = 8;
+ memcpy(cmd.args, &fw->data[fw->size - remaining], len);
+ cmd.wlen = len;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ break;
+ }
+ } else {
+ /* bad or unknown firmware format */
+ ret = -EINVAL;
+ }
+
+ if (ret) {
+ dev_err(&client->dev, "firmware download failed %d\n", ret);
+ goto err_release_firmware;
+ }
+
+ release_firmware(fw);
+
+ memcpy(cmd.args, "\x01\x01", 2);
+ cmd.wlen = 2;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ /* query firmware version */
+ memcpy(cmd.args, "\x11", 1);
+ cmd.wlen = 1;
+ cmd.rlen = 10;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ dev->version = (cmd.args[9] + '@') << 24 | (cmd.args[6] - '0') << 16 |
+ (cmd.args[7] - '0') << 8 | (cmd.args[8]) << 0;
+ dev_info(&client->dev, "firmware version: %c %d.%d.%d\n",
+ dev->version >> 24 & 0xff, dev->version >> 16 & 0xff,
+ dev->version >> 8 & 0xff, dev->version >> 0 & 0xff);
+
+ /* set ts mode */
+ memcpy(cmd.args, "\x14\x00\x01\x10\x10\x00", 6);
+ cmd.args[4] |= dev->ts_mode;
+ if (dev->ts_clock_gapped)
+ cmd.args[4] |= 0x40;
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ dev->warm = true;
+warm:
+ /* Init stats here to indicate which stats are supported */
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_error.len = 1;
+ c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ dev->active = true;
+
+ return 0;
+err_release_firmware:
+ release_firmware(fw);
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int si2168_sleep(struct dvb_frontend *fe)
+{
+ struct i2c_client *client = fe->demodulator_priv;
+ struct si2168_dev *dev = i2c_get_clientdata(client);
+ int ret;
+ struct si2168_cmd cmd;
+
+ dev_dbg(&client->dev, "\n");
+
+ dev->active = false;
+
+ /* Firmware B 4.0-11 or later loses warm state during sleep */
+ if (dev->version > ('B' << 24 | 4 << 16 | 0 << 8 | 11 << 0))
+ dev->warm = false;
+
+ memcpy(cmd.args, "\x13", 1);
+ cmd.wlen = 1;
+ cmd.rlen = 0;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int si2168_get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *s)
+{
+ s->min_delay_ms = 900;
+
+ return 0;
+}
+
+static int si2168_select(struct i2c_mux_core *muxc, u32 chan)
+{
+ struct i2c_client *client = i2c_mux_priv(muxc);
+ int ret;
+ struct si2168_cmd cmd;
+
+ /* open I2C gate */
+ memcpy(cmd.args, "\xc0\x0d\x01", 3);
+ cmd.wlen = 3;
+ cmd.rlen = 0;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int si2168_deselect(struct i2c_mux_core *muxc, u32 chan)
+{
+ struct i2c_client *client = i2c_mux_priv(muxc);
+ int ret;
+ struct si2168_cmd cmd;
+
+ /* close I2C gate */
+ memcpy(cmd.args, "\xc0\x0d\x00", 3);
+ cmd.wlen = 3;
+ cmd.rlen = 0;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static const struct dvb_frontend_ops si2168_ops = {
+ .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
+ .info = {
+ .name = "Silicon Labs Si2168",
+ .symbol_rate_min = 1000000,
+ .symbol_rate_max = 7200000,
+ .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_32 |
+ FE_CAN_QAM_64 |
+ FE_CAN_QAM_128 |
+ FE_CAN_QAM_256 |
+ FE_CAN_QAM_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO |
+ FE_CAN_GUARD_INTERVAL_AUTO |
+ FE_CAN_HIERARCHY_AUTO |
+ FE_CAN_MUTE_TS |
+ FE_CAN_2G_MODULATION |
+ FE_CAN_MULTISTREAM
+ },
+
+ .get_tune_settings = si2168_get_tune_settings,
+
+ .init = si2168_init,
+ .sleep = si2168_sleep,
+
+ .set_frontend = si2168_set_frontend,
+
+ .read_status = si2168_read_status,
+};
+
+static int si2168_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct si2168_config *config = client->dev.platform_data;
+ struct si2168_dev *dev;
+ int ret;
+ struct si2168_cmd cmd;
+
+ dev_dbg(&client->dev, "\n");
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev) {
+ ret = -ENOMEM;
+ dev_err(&client->dev, "kzalloc() failed\n");
+ goto err;
+ }
+
+ i2c_set_clientdata(client, dev);
+ mutex_init(&dev->i2c_mutex);
+
+ /* Initialize */
+ memcpy(cmd.args, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00", 13);
+ cmd.wlen = 13;
+ cmd.rlen = 0;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err_kfree;
+
+ /* Power up */
+ memcpy(cmd.args, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8);
+ cmd.wlen = 8;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err_kfree;
+
+ /* Query chip revision */
+ memcpy(cmd.args, "\x02", 1);
+ cmd.wlen = 1;
+ cmd.rlen = 13;
+ ret = si2168_cmd_execute(client, &cmd);
+ if (ret)
+ goto err_kfree;
+
+ dev->chip_id = cmd.args[1] << 24 | cmd.args[2] << 16 |
+ cmd.args[3] << 8 | cmd.args[4] << 0;
+
+ switch (dev->chip_id) {
+ case SI2168_CHIP_ID_A20:
+ dev->firmware_name = SI2168_A20_FIRMWARE;
+ break;
+ case SI2168_CHIP_ID_A30:
+ dev->firmware_name = SI2168_A30_FIRMWARE;
+ break;
+ case SI2168_CHIP_ID_B40:
+ dev->firmware_name = SI2168_B40_FIRMWARE;
+ break;
+ case SI2168_CHIP_ID_D60:
+ dev->firmware_name = SI2168_D60_FIRMWARE;
+ break;
+ default:
+ dev_dbg(&client->dev, "unknown chip version Si21%d-%c%c%c\n",
+ cmd.args[2], cmd.args[1], cmd.args[3], cmd.args[4]);
+ ret = -ENODEV;
+ goto err_kfree;
+ }
+
+ dev->version = (cmd.args[1]) << 24 | (cmd.args[3] - '0') << 16 |
+ (cmd.args[4] - '0') << 8 | (cmd.args[5]) << 0;
+
+ /* create mux i2c adapter for tuner */
+ dev->muxc = i2c_mux_alloc(client->adapter, &client->dev,
+ 1, 0, I2C_MUX_LOCKED,
+ si2168_select, si2168_deselect);
+ if (!dev->muxc) {
+ ret = -ENOMEM;
+ goto err_kfree;
+ }
+ dev->muxc->priv = client;
+ ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0);
+ if (ret)
+ goto err_kfree;
+
+ /* create dvb_frontend */
+ memcpy(&dev->fe.ops, &si2168_ops, sizeof(struct dvb_frontend_ops));
+ dev->fe.demodulator_priv = client;
+ *config->i2c_adapter = dev->muxc->adapter[0];
+ *config->fe = &dev->fe;
+ dev->ts_mode = config->ts_mode;
+ dev->ts_clock_inv = config->ts_clock_inv;
+ dev->ts_clock_gapped = config->ts_clock_gapped;
+
+ dev_info(&client->dev, "Silicon Labs Si2168-%c%d%d successfully identified\n",
+ dev->version >> 24 & 0xff, dev->version >> 16 & 0xff,
+ dev->version >> 8 & 0xff);
+ dev_info(&client->dev, "firmware version: %c %d.%d.%d\n",
+ dev->version >> 24 & 0xff, dev->version >> 16 & 0xff,
+ dev->version >> 8 & 0xff, dev->version >> 0 & 0xff);
+
+ return 0;
+err_kfree:
+ kfree(dev);
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int si2168_remove(struct i2c_client *client)
+{
+ struct si2168_dev *dev = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ i2c_mux_del_adapters(dev->muxc);
+
+ dev->fe.ops.release = NULL;
+ dev->fe.demodulator_priv = NULL;
+
+ kfree(dev);
+
+ return 0;
+}
+
+static const struct i2c_device_id si2168_id_table[] = {
+ {"si2168", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, si2168_id_table);
+
+static struct i2c_driver si2168_driver = {
+ .driver = {
+ .name = "si2168",
+ .suppress_bind_attrs = true,
+ },
+ .probe = si2168_probe,
+ .remove = si2168_remove,
+ .id_table = si2168_id_table,
+};
+
+module_i2c_driver(si2168_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Silicon Labs Si2168 DVB-T/T2/C demodulator driver");
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(SI2168_A20_FIRMWARE);
+MODULE_FIRMWARE(SI2168_A30_FIRMWARE);
+MODULE_FIRMWARE(SI2168_B40_FIRMWARE);
+MODULE_FIRMWARE(SI2168_D60_FIRMWARE);