From 845f35052ea94661dd32d80fc95a93d0502345e2 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Thu, 10 Apr 2014 22:00:50 -0300 Subject: [PATCH] [media] si2168: Silicon Labs Si2168 DVB-T/T2/C demod driver Silicon Labs Si2168 DVB-T/T2/C demod driver. That driver version supports only DVB-T. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/Kconfig | 7 + drivers/media/dvb-frontends/Makefile | 1 + drivers/media/dvb-frontends/si2168.c | 708 ++++++++++++++++++++++ drivers/media/dvb-frontends/si2168.h | 23 + drivers/media/dvb-frontends/si2168_priv.h | 30 + 5 files changed, 769 insertions(+) create mode 100644 drivers/media/dvb-frontends/si2168.c create mode 100644 drivers/media/dvb-frontends/si2168.h create mode 100644 drivers/media/dvb-frontends/si2168_priv.h diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig index 025fc5496bfc..1469d44acb22 100644 --- a/drivers/media/dvb-frontends/Kconfig +++ b/drivers/media/dvb-frontends/Kconfig @@ -446,6 +446,13 @@ config DVB_RTL2832 help Say Y when you want to support this frontend. +config DVB_SI2168 + tristate "Silicon Labs Si2168" + depends on DVB_CORE && I2C && I2C_MUX + default m if !MEDIA_SUBDRV_AUTOSELECT + help + Say Y when you want to support this frontend. + comment "DVB-C (cable) frontends" depends on DVB_CORE diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile index 282aba2fe8db..dda0bee36f29 100644 --- a/drivers/media/dvb-frontends/Makefile +++ b/drivers/media/dvb-frontends/Makefile @@ -78,6 +78,7 @@ obj-$(CONFIG_DVB_AF9013) += af9013.o obj-$(CONFIG_DVB_CX24116) += cx24116.o obj-$(CONFIG_DVB_CX24117) += cx24117.o obj-$(CONFIG_DVB_SI21XX) += si21xx.o +obj-$(CONFIG_DVB_SI2168) += si2168.o obj-$(CONFIG_DVB_STV0288) += stv0288.o obj-$(CONFIG_DVB_STB6000) += stb6000.o obj-$(CONFIG_DVB_S921) += s921.o diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c new file mode 100644 index 000000000000..eef4e456548d --- /dev/null +++ b/drivers/media/dvb-frontends/si2168.c @@ -0,0 +1,708 @@ +#include "si2168_priv.h" + +static const struct dvb_frontend_ops si2168_ops; + +/* execute firmware command */ +static int si2168_cmd_execute(struct si2168 *s, struct si2168_cmd *cmd) +{ + int ret; + unsigned long timeout; + + mutex_lock(&s->i2c_mutex); + + if (cmd->wlen) { + /* write cmd and args for firmware */ + ret = i2c_master_send(s->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 50 + timeout = jiffies + msecs_to_jiffies(TIMEOUT); + while (!time_after(jiffies, timeout)) { + ret = i2c_master_recv(s->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(&s->client->dev, "%s: cmd execution took %d ms\n", + __func__, + jiffies_to_msecs(jiffies) - + (jiffies_to_msecs(timeout) - TIMEOUT)); + + if (!(cmd->args[0] >> 7) & 0x01) { + ret = -ETIMEDOUT; + goto err_mutex_unlock; + } + } + + ret = 0; + +err_mutex_unlock: + mutex_unlock(&s->i2c_mutex); + if (ret) + goto err; + + return 0; +err: + dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct si2168 *s = fe->demodulator_priv; + int ret; + struct si2168_cmd cmd; + + *status = 0; + + if (!s->active) { + ret = -EAGAIN; + goto err; + } + + cmd.args[0] = 0xa0; + cmd.args[1] = 0x01; + cmd.wlen = 2; + cmd.rlen = 13; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + /* + * Possible values seen, in order from strong signal to weak: + * 16 0001 0110 full lock + * 1e 0001 1110 partial lock + * 1a 0001 1010 partial lock + * 18 0001 1000 no lock + * + * [b3:b1] lock bits + * [b4] statistics ready? Set in a few secs after lock is gained. + */ + + switch ((cmd.args[2] >> 0) & 0x0f) { + case 0x0a: + *status = FE_HAS_SIGNAL | FE_HAS_CARRIER; + break; + case 0x0e: + *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI; + break; + case 0x06: + *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | + FE_HAS_SYNC | FE_HAS_LOCK; + break; + } + + s->fe_status = *status; + + dev_dbg(&s->client->dev, "%s: status=%02x args=%*ph\n", + __func__, *status, cmd.rlen, cmd.args); + + return 0; +err: + dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +static int si2168_set_frontend(struct dvb_frontend *fe) +{ + struct si2168 *s = fe->demodulator_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + int ret; + struct si2168_cmd cmd; + u8 bandwidth; + + dev_dbg(&s->client->dev, + "%s: delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%u\n", + __func__, c->delivery_system, c->modulation, + c->frequency, c->bandwidth_hz, c->symbol_rate, + c->inversion); + + if (!s->active) { + ret = -EAGAIN; + goto err; + } + + switch (c->bandwidth_hz) { + case 5000000: + bandwidth = 0x25; + break; + case 6000000: + bandwidth = 0x26; + break; + case 7000000: + bandwidth = 0x27; + break; + case 8000000: + bandwidth = 0x28; + break; + default: + ret = -EINVAL; + goto err; + } + + /* 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(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x89\x21\x06\x11\xff\x98", 6); + cmd.wlen = 6; + cmd.rlen = 3; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x51\x03", 2); + cmd.wlen = 2; + cmd.rlen = 12; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x12\x08\x04", 3); + cmd.wlen = 3; + cmd.rlen = 3; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x01\x04\x00\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x03\x10\x17\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x02\x10\x15\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x0c\x10\x12\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x06\x10\x24\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x0b\x10\x88\x13", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x07\x10\x00\x24", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x0a\x10\x00\x00", 6); + cmd.args[4] = bandwidth; + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x04\x10\x15\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x05\x10\xa1\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x0f\x10\x10\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x0d\x10\xd0\x02", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x01\x10\x00\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x09\x10\xe3\x18", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x08\x10\xd7\x15", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x04\x03\x00\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x03\x03\x00\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x08\x03\x00\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x07\x03\x01\x02", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x06\x03\x00\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x05\x03\x00\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x40", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x01\x10\x16\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\x14\x00\x01\x12\x00\x00", 6); + cmd.wlen = 6; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + cmd.args[0] = 0x85; + cmd.wlen = 1; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + s->delivery_system = c->delivery_system; + + return 0; +err: + dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +static int si2168_init(struct dvb_frontend *fe) +{ + struct si2168 *s = fe->demodulator_priv; + int ret, len, remaining; + const struct firmware *fw = NULL; + u8 *fw_file = SI2168_FIRMWARE; + const unsigned int i2c_wr_max = 8; + struct si2168_cmd cmd; + + dev_dbg(&s->client->dev, "%s:\n", __func__); + + cmd.args[0] = 0x13; + cmd.wlen = 1; + cmd.rlen = 0; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + cmd.args[0] = 0xc0; + cmd.args[1] = 0x12; + cmd.args[2] = 0x00; + cmd.args[3] = 0x0c; + cmd.args[4] = 0x00; + cmd.args[5] = 0x0d; + cmd.args[6] = 0x16; + cmd.args[7] = 0x00; + cmd.args[8] = 0x00; + cmd.args[9] = 0x00; + cmd.args[10] = 0x00; + cmd.args[11] = 0x00; + cmd.args[12] = 0x00; + cmd.wlen = 13; + cmd.rlen = 0; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + cmd.args[0] = 0xc0; + cmd.args[1] = 0x06; + cmd.args[2] = 0x01; + cmd.args[3] = 0x0f; + cmd.args[4] = 0x00; + cmd.args[5] = 0x20; + cmd.args[6] = 0x20; + cmd.args[7] = 0x01; + cmd.wlen = 8; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + cmd.args[0] = 0x02; + cmd.wlen = 1; + cmd.rlen = 13; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + cmd.args[0] = 0x05; + cmd.args[1] = 0x00; + cmd.args[2] = 0xaa; + cmd.args[3] = 0x4d; + cmd.args[4] = 0x56; + cmd.args[5] = 0x40; + cmd.args[6] = 0x00; + cmd.args[7] = 0x00; + cmd.wlen = 8; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + /* cold state - try to download firmware */ + dev_info(&s->client->dev, "%s: found a '%s' in cold state\n", + KBUILD_MODNAME, si2168_ops.info.name); + + /* request the firmware, this will block and timeout */ + ret = request_firmware(&fw, fw_file, &s->client->dev); + if (ret) { + dev_err(&s->client->dev, "%s: firmare file '%s' not found\n", + KBUILD_MODNAME, fw_file); + goto err; + } + + dev_info(&s->client->dev, "%s: downloading firmware from file '%s'\n", + KBUILD_MODNAME, fw_file); + + for (remaining = fw->size; remaining > 0; remaining -= i2c_wr_max) { + len = remaining; + if (len > i2c_wr_max) + len = i2c_wr_max; + + memcpy(cmd.args, &fw->data[fw->size - remaining], len); + cmd.wlen = len; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) { + dev_err(&s->client->dev, + "%s: firmware download failed=%d\n", + KBUILD_MODNAME, ret); + goto err; + } + } + + release_firmware(fw); + fw = NULL; + + cmd.args[0] = 0x01; + cmd.args[1] = 0x01; + cmd.wlen = 2; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + dev_info(&s->client->dev, "%s: found a '%s' in warm state\n", + KBUILD_MODNAME, si2168_ops.info.name); + + s->active = true; + + return 0; +err: + if (fw) + release_firmware(fw); + + dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +static int si2168_sleep(struct dvb_frontend *fe) +{ + struct si2168 *s = fe->demodulator_priv; + + dev_dbg(&s->client->dev, "%s:\n", __func__); + + s->active = false; + + return 0; +} + +static int si2168_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *s) +{ + s->min_delay_ms = 900; + + return 0; +} + +/* + * I2C gate logic + * We must use unlocked i2c_transfer() here because I2C lock is already taken + * by tuner driver. + */ +static int si2168_select(struct i2c_adapter *adap, void *mux_priv, u32 chan) +{ + struct si2168 *s = mux_priv; + int ret; + struct i2c_msg gate_open_msg = { + .addr = s->client->addr, + .flags = 0, + .len = 3, + .buf = "\xc0\x0d\x01", + }; + + mutex_lock(&s->i2c_mutex); + + /* open tuner I2C gate */ + ret = __i2c_transfer(s->client->adapter, &gate_open_msg, 1); + if (ret != 1) { + dev_warn(&s->client->dev, "%s: i2c write failed=%d\n", + KBUILD_MODNAME, ret); + if (ret >= 0) + ret = -EREMOTEIO; + } else { + ret = 0; + } + + return ret; +} + +static int si2168_deselect(struct i2c_adapter *adap, void *mux_priv, u32 chan) +{ + struct si2168 *s = mux_priv; + int ret; + struct i2c_msg gate_close_msg = { + .addr = s->client->addr, + .flags = 0, + .len = 3, + .buf = "\xc0\x0d\x00", + }; + + /* close tuner I2C gate */ + ret = __i2c_transfer(s->client->adapter, &gate_close_msg, 1); + if (ret != 1) { + dev_warn(&s->client->dev, "%s: i2c write failed=%d\n", + KBUILD_MODNAME, ret); + if (ret >= 0) + ret = -EREMOTEIO; + } else { + ret = 0; + } + + mutex_unlock(&s->i2c_mutex); + + return ret; +} + +static const struct dvb_frontend_ops si2168_ops = { + .delsys = {SYS_DVBT}, + .info = { + .name = "Silicon Labs Si2168", + .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 + }, + + .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 *s; + int ret; + struct si2168_cmd cmd; + + dev_dbg(&client->dev, "%s:\n", __func__); + + s = kzalloc(sizeof(struct si2168), GFP_KERNEL); + if (!s) { + ret = -ENOMEM; + dev_err(&client->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME); + goto err; + } + + s->client = client; + mutex_init(&s->i2c_mutex); + + /* check if the demod is there */ + cmd.wlen = 0; + cmd.rlen = 1; + ret = si2168_cmd_execute(s, &cmd); + if (ret) + goto err; + + /* create mux i2c adapter for tuner */ + s->adapter = i2c_add_mux_adapter(client->adapter, &client->dev, s, + 0, 0, 0, si2168_select, si2168_deselect); + if (s->adapter == NULL) + goto err; + + /* create dvb_frontend */ + memcpy(&s->fe.ops, &si2168_ops, sizeof(struct dvb_frontend_ops)); + s->fe.demodulator_priv = s; + + *config->i2c_adapter = s->adapter; + *config->fe = &s->fe; + + i2c_set_clientdata(client, s); + + dev_info(&s->client->dev, + "%s: Silicon Labs Si2168 successfully attached\n", + KBUILD_MODNAME); + return 0; +err: + kfree(s); + dev_dbg(&client->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +static int si2168_remove(struct i2c_client *client) +{ + struct si2168 *s = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "%s:\n", __func__); + + i2c_del_mux_adapter(s->adapter); + + s->fe.ops.release = NULL; + s->fe.demodulator_priv = NULL; + + kfree(s); + + return 0; +} + +static const struct i2c_device_id si2168_id[] = { + {"si2168", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, si2168_id); + +static struct i2c_driver si2168_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "si2168", + }, + .probe = si2168_probe, + .remove = si2168_remove, + .id_table = si2168_id, +}; + +module_i2c_driver(si2168_driver); + +MODULE_AUTHOR("Antti Palosaari "); +MODULE_DESCRIPTION("Silicon Labs Si2168 DVB-T/T2/C demodulator driver"); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(SI2168_FIRMWARE); diff --git a/drivers/media/dvb-frontends/si2168.h b/drivers/media/dvb-frontends/si2168.h new file mode 100644 index 000000000000..5a801aa382f7 --- /dev/null +++ b/drivers/media/dvb-frontends/si2168.h @@ -0,0 +1,23 @@ +#ifndef SI2168_H +#define SI2168_H + +#include +/* + * I2C address + * 0x64 + */ +struct si2168_config { + /* + * frontend + * returned by driver + */ + struct dvb_frontend **fe; + + /* + * tuner I2C adapter + * returned by driver + */ + struct i2c_adapter **i2c_adapter; +}; + +#endif diff --git a/drivers/media/dvb-frontends/si2168_priv.h b/drivers/media/dvb-frontends/si2168_priv.h new file mode 100644 index 000000000000..36463246c6a8 --- /dev/null +++ b/drivers/media/dvb-frontends/si2168_priv.h @@ -0,0 +1,30 @@ +#ifndef SI2168_PRIV_H +#define SI2168_PRIV_H + +#include "si2168.h" +#include "dvb_frontend.h" +#include +#include + +#define SI2168_FIRMWARE "dvb-demod-si2168-01.fw" + +/* state struct */ +struct si2168 { + struct i2c_client *client; + struct i2c_adapter *adapter; + struct mutex i2c_mutex; + struct dvb_frontend fe; + fe_delivery_system_t delivery_system; + fe_status_t fe_status; + bool active; +}; + +/* firmare command struct */ +#define SI2157_ARGLEN 30 +struct si2168_cmd { + u8 args[SI2157_ARGLEN]; + unsigned wlen; + unsigned rlen; +}; + +#endif