aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/tuners
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/tuners')
-rw-r--r--drivers/media/tuners/Kconfig11
-rw-r--r--drivers/media/tuners/Makefile1
-rw-r--r--drivers/media/tuners/msi001.c500
-rw-r--r--drivers/media/tuners/r820t.c3
-rw-r--r--drivers/media/tuners/si2157.c257
-rw-r--r--drivers/media/tuners/si2157.h7
-rw-r--r--drivers/media/tuners/si2157_priv.h9
-rw-r--r--drivers/media/tuners/tuner-xc2028.c1
-rw-r--r--drivers/media/tuners/xc4000.c48
-rw-r--r--drivers/media/tuners/xc5000.c164
10 files changed, 838 insertions, 163 deletions
diff --git a/drivers/media/tuners/Kconfig b/drivers/media/tuners/Kconfig
index 22b6b8bb1d93..d79fd1ce5a18 100644
--- a/drivers/media/tuners/Kconfig
+++ b/drivers/media/tuners/Kconfig
@@ -1,7 +1,7 @@
# Analog TV tuners, auto-loaded via tuner.ko
config MEDIA_TUNER
tristate
- depends on (MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT) && I2C
+ depends on (MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT) && I2C
default y
select MEDIA_TUNER_XC2028 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_XC5000 if MEDIA_SUBDRV_AUTOSELECT
@@ -16,7 +16,7 @@ config MEDIA_TUNER
menu "Customize TV tuners"
visible if !MEDIA_SUBDRV_AUTOSELECT
- depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT
+ depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT
config MEDIA_TUNER_SIMPLE
tristate "Simple tuner support"
@@ -71,6 +71,13 @@ config MEDIA_TUNER_TEA5767
help
Say Y here to include support for the Philips TEA5767 radio tuner.
+config MEDIA_TUNER_MSI001
+ tristate "Mirics MSi001"
+ depends on MEDIA_SUPPORT && SPI && VIDEO_V4L2
+ default m if !MEDIA_SUBDRV_AUTOSELECT
+ help
+ Mirics MSi001 silicon tuner driver.
+
config MEDIA_TUNER_MT20XX
tristate "Microtune 2032 / 2050 tuners"
depends on MEDIA_SUPPORT && I2C
diff --git a/drivers/media/tuners/Makefile b/drivers/media/tuners/Makefile
index a6ff0c628dfa..5591699755ba 100644
--- a/drivers/media/tuners/Makefile
+++ b/drivers/media/tuners/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_MEDIA_TUNER_TDA827X) += tda827x.o
obj-$(CONFIG_MEDIA_TUNER_TDA18271) += tda18271.o
obj-$(CONFIG_MEDIA_TUNER_XC5000) += xc5000.o
obj-$(CONFIG_MEDIA_TUNER_XC4000) += xc4000.o
+obj-$(CONFIG_MEDIA_TUNER_MSI001) += msi001.o
obj-$(CONFIG_MEDIA_TUNER_MT2060) += mt2060.o
obj-$(CONFIG_MEDIA_TUNER_MT2063) += mt2063.o
obj-$(CONFIG_MEDIA_TUNER_MT2266) += mt2266.o
diff --git a/drivers/media/tuners/msi001.c b/drivers/media/tuners/msi001.c
new file mode 100644
index 000000000000..ee99e372c943
--- /dev/null
+++ b/drivers/media/tuners/msi001.c
@@ -0,0 +1,500 @@
+/*
+ * Mirics MSi001 silicon tuner driver
+ *
+ * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
+ * 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/module.h>
+#include <linux/gcd.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
+
+static const struct v4l2_frequency_band bands[] = {
+ {
+ .type = V4L2_TUNER_RF,
+ .index = 0,
+ .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 49000000,
+ .rangehigh = 263000000,
+ }, {
+ .type = V4L2_TUNER_RF,
+ .index = 1,
+ .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 390000000,
+ .rangehigh = 960000000,
+ },
+};
+
+struct msi001 {
+ struct spi_device *spi;
+ struct v4l2_subdev sd;
+
+ /* Controls */
+ struct v4l2_ctrl_handler hdl;
+ struct v4l2_ctrl *bandwidth_auto;
+ struct v4l2_ctrl *bandwidth;
+ struct v4l2_ctrl *lna_gain;
+ struct v4l2_ctrl *mixer_gain;
+ struct v4l2_ctrl *if_gain;
+
+ unsigned int f_tuner;
+};
+
+static inline struct msi001 *sd_to_msi001(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct msi001, sd);
+}
+
+static int msi001_wreg(struct msi001 *s, u32 data)
+{
+ /* Register format: 4 bits addr + 20 bits value */
+ return spi_write(s->spi, &data, 3);
+};
+
+static int msi001_set_gain(struct msi001 *s, int lna_gain, int mixer_gain,
+ int if_gain)
+{
+ int ret;
+ u32 reg;
+ dev_dbg(&s->spi->dev, "%s: lna=%d mixer=%d if=%d\n", __func__,
+ lna_gain, mixer_gain, if_gain);
+
+ reg = 1 << 0;
+ reg |= (59 - if_gain) << 4;
+ reg |= 0 << 10;
+ reg |= (1 - mixer_gain) << 12;
+ reg |= (1 - lna_gain) << 13;
+ reg |= 4 << 14;
+ reg |= 0 << 17;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&s->spi->dev, "%s: failed %d\n", __func__, ret);
+ return ret;
+};
+
+static int msi001_set_tuner(struct msi001 *s)
+{
+ int ret, i;
+ unsigned int n, m, thresh, frac, vco_step, tmp, f_if1;
+ u32 reg;
+ u64 f_vco, tmp64;
+ u8 mode, filter_mode, lo_div;
+ static const struct {
+ u32 rf;
+ u8 mode;
+ u8 lo_div;
+ } band_lut[] = {
+ { 50000000, 0xe1, 16}, /* AM_MODE2, antenna 2 */
+ {108000000, 0x42, 32}, /* VHF_MODE */
+ {330000000, 0x44, 16}, /* B3_MODE */
+ {960000000, 0x48, 4}, /* B45_MODE */
+ { ~0U, 0x50, 2}, /* BL_MODE */
+ };
+ static const struct {
+ u32 freq;
+ u8 filter_mode;
+ } if_freq_lut[] = {
+ { 0, 0x03}, /* Zero IF */
+ { 450000, 0x02}, /* 450 kHz IF */
+ {1620000, 0x01}, /* 1.62 MHz IF */
+ {2048000, 0x00}, /* 2.048 MHz IF */
+ };
+ static const struct {
+ u32 freq;
+ u8 val;
+ } bandwidth_lut[] = {
+ { 200000, 0x00}, /* 200 kHz */
+ { 300000, 0x01}, /* 300 kHz */
+ { 600000, 0x02}, /* 600 kHz */
+ {1536000, 0x03}, /* 1.536 MHz */
+ {5000000, 0x04}, /* 5 MHz */
+ {6000000, 0x05}, /* 6 MHz */
+ {7000000, 0x06}, /* 7 MHz */
+ {8000000, 0x07}, /* 8 MHz */
+ };
+
+ unsigned int f_rf = s->f_tuner;
+
+ /*
+ * bandwidth (Hz)
+ * 200000, 300000, 600000, 1536000, 5000000, 6000000, 7000000, 8000000
+ */
+ unsigned int bandwidth;
+
+ /*
+ * intermediate frequency (Hz)
+ * 0, 450000, 1620000, 2048000
+ */
+ unsigned int f_if = 0;
+ #define F_REF 24000000
+ #define R_REF 4
+ #define F_OUT_STEP 1
+
+ dev_dbg(&s->spi->dev,
+ "%s: f_rf=%d f_if=%d\n",
+ __func__, f_rf, f_if);
+
+ for (i = 0; i < ARRAY_SIZE(band_lut); i++) {
+ if (f_rf <= band_lut[i].rf) {
+ mode = band_lut[i].mode;
+ lo_div = band_lut[i].lo_div;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(band_lut)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* AM_MODE is upconverted */
+ if ((mode >> 0) & 0x1)
+ f_if1 = 5 * F_REF;
+ else
+ f_if1 = 0;
+
+ for (i = 0; i < ARRAY_SIZE(if_freq_lut); i++) {
+ if (f_if == if_freq_lut[i].freq) {
+ filter_mode = if_freq_lut[i].filter_mode;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(if_freq_lut)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* filters */
+ bandwidth = s->bandwidth->val;
+ bandwidth = clamp(bandwidth, 200000U, 8000000U);
+
+ for (i = 0; i < ARRAY_SIZE(bandwidth_lut); i++) {
+ if (bandwidth <= bandwidth_lut[i].freq) {
+ bandwidth = bandwidth_lut[i].val;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(bandwidth_lut)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ s->bandwidth->val = bandwidth_lut[i].freq;
+
+ dev_dbg(&s->spi->dev, "%s: bandwidth selected=%d\n",
+ __func__, bandwidth_lut[i].freq);
+
+ f_vco = (u64) (f_rf + f_if + f_if1) * lo_div;
+ tmp64 = f_vco;
+ m = do_div(tmp64, F_REF * R_REF);
+ n = (unsigned int) tmp64;
+
+ vco_step = F_OUT_STEP * lo_div;
+ thresh = (F_REF * R_REF) / vco_step;
+ frac = 1ul * thresh * m / (F_REF * R_REF);
+
+ /* Find out greatest common divisor and divide to smaller. */
+ tmp = gcd(thresh, frac);
+ thresh /= tmp;
+ frac /= tmp;
+
+ /* Force divide to reg max. Resolution will be reduced. */
+ tmp = DIV_ROUND_UP(thresh, 4095);
+ thresh = DIV_ROUND_CLOSEST(thresh, tmp);
+ frac = DIV_ROUND_CLOSEST(frac, tmp);
+
+ /* calc real RF set */
+ tmp = 1ul * F_REF * R_REF * n;
+ tmp += 1ul * F_REF * R_REF * frac / thresh;
+ tmp /= lo_div;
+
+ dev_dbg(&s->spi->dev,
+ "%s: rf=%u:%u n=%d thresh=%d frac=%d\n",
+ __func__, f_rf, tmp, n, thresh, frac);
+
+ ret = msi001_wreg(s, 0x00000e);
+ if (ret)
+ goto err;
+
+ ret = msi001_wreg(s, 0x000003);
+ if (ret)
+ goto err;
+
+ reg = 0 << 0;
+ reg |= mode << 4;
+ reg |= filter_mode << 12;
+ reg |= bandwidth << 14;
+ reg |= 0x02 << 17;
+ reg |= 0x00 << 20;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ reg = 5 << 0;
+ reg |= thresh << 4;
+ reg |= 1 << 19;
+ reg |= 1 << 21;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ reg = 2 << 0;
+ reg |= frac << 4;
+ reg |= n << 16;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ ret = msi001_set_gain(s, s->lna_gain->cur.val, s->mixer_gain->cur.val,
+ s->if_gain->cur.val);
+ if (ret)
+ goto err;
+
+ reg = 6 << 0;
+ reg |= 63 << 4;
+ reg |= 4095 << 10;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&s->spi->dev, "%s: failed %d\n", __func__, ret);
+ return ret;
+};
+
+static int msi001_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ int ret;
+ dev_dbg(&s->spi->dev, "%s: on=%d\n", __func__, on);
+
+ if (on)
+ ret = 0;
+ else
+ ret = msi001_wreg(s, 0x000000);
+
+ return ret;
+}
+
+static const struct v4l2_subdev_core_ops msi001_core_ops = {
+ .s_power = msi001_s_power,
+};
+
+static int msi001_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&s->spi->dev, "%s: index=%d\n", __func__, v->index);
+
+ strlcpy(v->name, "Mirics MSi001", sizeof(v->name));
+ v->type = V4L2_TUNER_RF;
+ v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
+ v->rangelow = 49000000;
+ v->rangehigh = 960000000;
+
+ return 0;
+}
+
+static int msi001_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *v)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&s->spi->dev, "%s: index=%d\n", __func__, v->index);
+ return 0;
+}
+
+static int msi001_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&s->spi->dev, "%s: tuner=%d\n", __func__, f->tuner);
+ f->frequency = s->f_tuner;
+ return 0;
+}
+
+static int msi001_s_frequency(struct v4l2_subdev *sd,
+ const struct v4l2_frequency *f)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ unsigned int band;
+ dev_dbg(&s->spi->dev, "%s: tuner=%d type=%d frequency=%u\n",
+ __func__, f->tuner, f->type, f->frequency);
+
+ if (f->frequency < ((bands[0].rangehigh + bands[1].rangelow) / 2))
+ band = 0;
+ else
+ band = 1;
+ s->f_tuner = clamp_t(unsigned int, f->frequency,
+ bands[band].rangelow, bands[band].rangehigh);
+
+ return msi001_set_tuner(s);
+}
+
+static int msi001_enum_freq_bands(struct v4l2_subdev *sd,
+ struct v4l2_frequency_band *band)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&s->spi->dev, "%s: tuner=%d type=%d index=%d\n",
+ __func__, band->tuner, band->type, band->index);
+
+ if (band->index >= ARRAY_SIZE(bands))
+ return -EINVAL;
+
+ band->capability = bands[band->index].capability;
+ band->rangelow = bands[band->index].rangelow;
+ band->rangehigh = bands[band->index].rangehigh;
+
+ return 0;
+}
+
+static const struct v4l2_subdev_tuner_ops msi001_tuner_ops = {
+ .g_tuner = msi001_g_tuner,
+ .s_tuner = msi001_s_tuner,
+ .g_frequency = msi001_g_frequency,
+ .s_frequency = msi001_s_frequency,
+ .enum_freq_bands = msi001_enum_freq_bands,
+};
+
+static const struct v4l2_subdev_ops msi001_ops = {
+ .core = &msi001_core_ops,
+ .tuner = &msi001_tuner_ops,
+};
+
+static int msi001_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct msi001 *s = container_of(ctrl->handler, struct msi001, hdl);
+
+ int ret;
+ dev_dbg(&s->spi->dev,
+ "%s: id=%d name=%s val=%d min=%lld max=%lld step=%lld\n",
+ __func__, ctrl->id, ctrl->name, ctrl->val,
+ ctrl->minimum, ctrl->maximum, ctrl->step);
+
+ switch (ctrl->id) {
+ case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
+ case V4L2_CID_RF_TUNER_BANDWIDTH:
+ ret = msi001_set_tuner(s);
+ break;
+ case V4L2_CID_RF_TUNER_LNA_GAIN:
+ ret = msi001_set_gain(s, s->lna_gain->val,
+ s->mixer_gain->cur.val, s->if_gain->cur.val);
+ break;
+ case V4L2_CID_RF_TUNER_MIXER_GAIN:
+ ret = msi001_set_gain(s, s->lna_gain->cur.val,
+ s->mixer_gain->val, s->if_gain->cur.val);
+ break;
+ case V4L2_CID_RF_TUNER_IF_GAIN:
+ ret = msi001_set_gain(s, s->lna_gain->cur.val,
+ s->mixer_gain->cur.val, s->if_gain->val);
+ break;
+ default:
+ dev_dbg(&s->spi->dev, "%s: unkown control %d\n",
+ __func__, ctrl->id);
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static const struct v4l2_ctrl_ops msi001_ctrl_ops = {
+ .s_ctrl = msi001_s_ctrl,
+};
+
+static int msi001_probe(struct spi_device *spi)
+{
+ struct msi001 *s;
+ int ret;
+ dev_dbg(&spi->dev, "%s:\n", __func__);
+
+ s = kzalloc(sizeof(struct msi001), GFP_KERNEL);
+ if (s == NULL) {
+ ret = -ENOMEM;
+ dev_dbg(&spi->dev, "Could not allocate memory for msi001\n");
+ goto err_kfree;
+ }
+
+ s->spi = spi;
+ s->f_tuner = bands[0].rangelow;
+ v4l2_spi_subdev_init(&s->sd, spi, &msi001_ops);
+
+ /* Register controls */
+ v4l2_ctrl_handler_init(&s->hdl, 5);
+ s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
+ s->bandwidth = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_BANDWIDTH, 200000, 8000000, 1, 200000);
+ v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
+ s->lna_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_LNA_GAIN, 0, 1, 1, 1);
+ s->mixer_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_MIXER_GAIN, 0, 1, 1, 1);
+ s->if_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_IF_GAIN, 0, 59, 1, 0);
+ if (s->hdl.error) {
+ ret = s->hdl.error;
+ dev_err(&s->spi->dev, "Could not initialize controls\n");
+ /* control init failed, free handler */
+ goto err_ctrl_handler_free;
+ }
+
+ s->sd.ctrl_handler = &s->hdl;
+ return 0;
+
+err_ctrl_handler_free:
+ v4l2_ctrl_handler_free(&s->hdl);
+err_kfree:
+ kfree(s);
+ return ret;
+}
+
+static int msi001_remove(struct spi_device *spi)
+{
+ struct v4l2_subdev *sd = spi_get_drvdata(spi);
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&spi->dev, "%s:\n", __func__);
+
+ /*
+ * Registered by v4l2_spi_new_subdev() from master driver, but we must
+ * unregister it from here. Weird.
+ */
+ v4l2_device_unregister_subdev(&s->sd);
+ v4l2_ctrl_handler_free(&s->hdl);
+ kfree(s);
+ return 0;
+}
+
+static const struct spi_device_id msi001_id[] = {
+ {"msi001", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(spi, msi001_id);
+
+static struct spi_driver msi001_driver = {
+ .driver = {
+ .name = "msi001",
+ .owner = THIS_MODULE,
+ },
+ .probe = msi001_probe,
+ .remove = msi001_remove,
+ .id_table = msi001_id,
+};
+module_spi_driver(msi001_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Mirics MSi001");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index 96ccfebce7ca..a759742cae7b 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -1545,7 +1545,7 @@ static int r820t_imr_cross(struct r820t_priv *priv,
cross[i].value = rc;
if (cross[i].value < tmp.value)
- memcpy(&tmp, &cross[i], sizeof(tmp));
+ tmp = cross[i];
}
if ((tmp.phase_y & 0x1f) == 1) { /* y-direction */
@@ -2300,7 +2300,6 @@ struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
case 0:
/* memory allocation failure */
goto err_no_gate;
- break;
case 1:
/* new tuner instance */
priv->cfg = cfg;
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index fa4cc7b880aa..6c53edb73a63 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -1,5 +1,5 @@
/*
- * Silicon Labs Si2157 silicon tuner driver
+ * Silicon Labs Si2157/2158 silicon tuner driver
*
* Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
*
@@ -16,54 +16,58 @@
#include "si2157_priv.h"
+static const struct dvb_tuner_ops si2157_ops;
+
/* execute firmware command */
static int si2157_cmd_execute(struct si2157 *s, struct si2157_cmd *cmd)
{
int ret;
- u8 buf[1];
unsigned long timeout;
mutex_lock(&s->i2c_mutex);
- if (cmd->len) {
+ if (cmd->wlen) {
/* write cmd and args for firmware */
- ret = i2c_master_send(s->client, cmd->args, cmd->len);
+ ret = i2c_master_send(s->client, cmd->args, cmd->wlen);
if (ret < 0) {
goto err_mutex_unlock;
- } else if (ret != cmd->len) {
+ } else if (ret != cmd->wlen) {
ret = -EREMOTEIO;
goto err_mutex_unlock;
}
}
- /* wait cmd execution terminate */
- #define TIMEOUT 80
- timeout = jiffies + msecs_to_jiffies(TIMEOUT);
- while (!time_after(jiffies, timeout)) {
- ret = i2c_master_recv(s->client, buf, 1);
- if (ret < 0) {
- goto err_mutex_unlock;
- } else if (ret != 1) {
- ret = -EREMOTEIO;
- goto err_mutex_unlock;
+ if (cmd->rlen) {
+ /* wait cmd execution terminate */
+ #define TIMEOUT 80
+ 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;
}
- /* firmware ready? */
- if ((buf[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));
- dev_dbg(&s->client->dev, "%s: cmd execution took %d ms\n", __func__,
- jiffies_to_msecs(jiffies) -
- (jiffies_to_msecs(timeout) - TIMEOUT));
-
- if (!((buf[0] >> 7) & 0x01)) {
- ret = -ETIMEDOUT;
- goto err_mutex_unlock;
- } else {
- ret = 0;
+ if (!((cmd->args[0] >> 7) & 0x01)) {
+ ret = -ETIMEDOUT;
+ goto err_mutex_unlock;
+ }
}
+ ret = 0;
+
err_mutex_unlock:
mutex_unlock(&s->i2c_mutex);
if (ret)
@@ -78,23 +82,133 @@ err:
static int si2157_init(struct dvb_frontend *fe)
{
struct si2157 *s = fe->tuner_priv;
+ int ret, len, remaining;
+ struct si2157_cmd cmd;
+ const struct firmware *fw = NULL;
+ u8 *fw_file;
+ unsigned int chip_id;
dev_dbg(&s->client->dev, "%s:\n", __func__);
+ /* configure? */
+ memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15);
+ cmd.wlen = 15;
+ cmd.rlen = 1;
+ ret = si2157_cmd_execute(s, &cmd);
+ if (ret)
+ goto err;
+
+ /* query chip revision */
+ memcpy(cmd.args, "\x02", 1);
+ cmd.wlen = 1;
+ cmd.rlen = 13;
+ ret = si2157_cmd_execute(s, &cmd);
+ if (ret)
+ goto err;
+
+ chip_id = cmd.args[1] << 24 | cmd.args[2] << 16 | cmd.args[3] << 8 |
+ cmd.args[4] << 0;
+
+ #define SI2158_A20 ('A' << 24 | 58 << 16 | '2' << 8 | '0' << 0)
+ #define SI2157_A30 ('A' << 24 | 57 << 16 | '3' << 8 | '0' << 0)
+
+ switch (chip_id) {
+ case SI2158_A20:
+ fw_file = SI2158_A20_FIRMWARE;
+ break;
+ case SI2157_A30:
+ goto skip_fw_download;
+ break;
+ default:
+ dev_err(&s->client->dev,
+ "%s: unkown chip version Si21%d-%c%c%c\n",
+ KBUILD_MODNAME, cmd.args[2], cmd.args[1],
+ cmd.args[3], cmd.args[4]);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* cold state - try to download firmware */
+ dev_info(&s->client->dev, "%s: found a '%s' in cold state\n",
+ KBUILD_MODNAME, si2157_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: firmware file '%s' not found\n",
+ KBUILD_MODNAME, fw_file);
+ goto err;
+ }
+
+ /* firmware should be n chunks of 17 bytes */
+ if (fw->size % 17 != 0) {
+ dev_err(&s->client->dev, "%s: firmware file '%s' is invalid\n",
+ KBUILD_MODNAME, fw_file);
+ ret = -EINVAL;
+ 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 -= 17) {
+ len = fw->data[fw->size - remaining];
+ memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len);
+ cmd.wlen = len;
+ cmd.rlen = 1;
+ ret = si2157_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;
+
+skip_fw_download:
+ /* reboot the tuner with new firmware? */
+ memcpy(cmd.args, "\x01\x01", 2);
+ cmd.wlen = 2;
+ cmd.rlen = 1;
+ ret = si2157_cmd_execute(s, &cmd);
+ if (ret)
+ goto err;
+
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 si2157_sleep(struct dvb_frontend *fe)
{
struct si2157 *s = fe->tuner_priv;
+ int ret;
+ struct si2157_cmd cmd;
dev_dbg(&s->client->dev, "%s:\n", __func__);
s->active = false;
+ memcpy(cmd.args, "\x13", 1);
+ cmd.wlen = 1;
+ cmd.rlen = 0;
+ ret = si2157_cmd_execute(s, &cmd);
+ if (ret)
+ goto err;
+
return 0;
+err:
+ dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
}
static int si2157_set_params(struct dvb_frontend *fe)
@@ -103,6 +217,7 @@ static int si2157_set_params(struct dvb_frontend *fe)
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
struct si2157_cmd cmd;
+ u8 bandwidth, delivery_system;
dev_dbg(&s->client->dev,
"%s: delivery_system=%d frequency=%u bandwidth_hz=%u\n",
@@ -114,50 +229,46 @@ static int si2157_set_params(struct dvb_frontend *fe)
goto err;
}
- /* configure? */
- cmd.args[0] = 0xc0;
- cmd.args[1] = 0x00;
- cmd.args[2] = 0x0c;
- cmd.args[3] = 0x00;
- cmd.args[4] = 0x00;
- cmd.args[5] = 0x01;
- cmd.args[6] = 0x01;
- cmd.args[7] = 0x01;
- cmd.args[8] = 0x01;
- cmd.args[9] = 0x01;
- cmd.args[10] = 0x01;
- cmd.args[11] = 0x02;
- cmd.args[12] = 0x00;
- cmd.args[13] = 0x00;
- cmd.args[14] = 0x01;
- cmd.len = 15;
- ret = si2157_cmd_execute(s, &cmd);
- if (ret)
- goto err;
-
- cmd.args[0] = 0x02;
- cmd.len = 1;
- ret = si2157_cmd_execute(s, &cmd);
- if (ret)
- goto err;
+ if (c->bandwidth_hz <= 6000000)
+ bandwidth = 0x06;
+ else if (c->bandwidth_hz <= 7000000)
+ bandwidth = 0x07;
+ else if (c->bandwidth_hz <= 8000000)
+ bandwidth = 0x08;
+ else
+ bandwidth = 0x0f;
+
+ switch (c->delivery_system) {
+ case SYS_DVBT:
+ case SYS_DVBT2: /* it seems DVB-T and DVB-T2 both are 0x20 here */
+ delivery_system = 0x20;
+ break;
+ case SYS_DVBC_ANNEX_A:
+ delivery_system = 0x30;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err;
+ }
- cmd.args[0] = 0x01;
- cmd.args[1] = 0x01;
- cmd.len = 2;
+ memcpy(cmd.args, "\x14\x00\x03\x07\x00\x00", 6);
+ cmd.args[4] = delivery_system | bandwidth;
+ if (s->inversion)
+ cmd.args[5] = 0x01;
+ cmd.wlen = 6;
+ cmd.rlen = 1;
ret = si2157_cmd_execute(s, &cmd);
if (ret)
goto err;
/* set frequency */
- cmd.args[0] = 0x41;
- cmd.args[1] = 0x00;
- cmd.args[2] = 0x00;
- cmd.args[3] = 0x00;
+ memcpy(cmd.args, "\x41\x00\x00\x00\x00\x00\x00\x00", 8);
cmd.args[4] = (c->frequency >> 0) & 0xff;
cmd.args[5] = (c->frequency >> 8) & 0xff;
cmd.args[6] = (c->frequency >> 16) & 0xff;
cmd.args[7] = (c->frequency >> 24) & 0xff;
- cmd.len = 8;
+ cmd.wlen = 8;
+ cmd.rlen = 1;
ret = si2157_cmd_execute(s, &cmd);
if (ret)
goto err;
@@ -168,9 +279,15 @@ err:
return ret;
}
-static const struct dvb_tuner_ops si2157_tuner_ops = {
+static int si2157_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+ *frequency = 5000000; /* default value of property 0x0706 */
+ return 0;
+}
+
+static const struct dvb_tuner_ops si2157_ops = {
.info = {
- .name = "Silicon Labs Si2157",
+ .name = "Silicon Labs Si2157/Si2158",
.frequency_min = 110000000,
.frequency_max = 862000000,
},
@@ -178,6 +295,7 @@ static const struct dvb_tuner_ops si2157_tuner_ops = {
.init = si2157_init,
.sleep = si2157_sleep,
.set_params = si2157_set_params,
+ .get_if_frequency = si2157_get_if_frequency,
};
static int si2157_probe(struct i2c_client *client,
@@ -198,22 +316,24 @@ static int si2157_probe(struct i2c_client *client,
s->client = client;
s->fe = cfg->fe;
+ s->inversion = cfg->inversion;
mutex_init(&s->i2c_mutex);
/* check if the tuner is there */
- cmd.len = 0;
+ cmd.wlen = 0;
+ cmd.rlen = 1;
ret = si2157_cmd_execute(s, &cmd);
if (ret)
goto err;
fe->tuner_priv = s;
- memcpy(&fe->ops.tuner_ops, &si2157_tuner_ops,
+ memcpy(&fe->ops.tuner_ops, &si2157_ops,
sizeof(struct dvb_tuner_ops));
i2c_set_clientdata(client, s);
dev_info(&s->client->dev,
- "%s: Silicon Labs Si2157 successfully attached\n",
+ "%s: Silicon Labs Si2157/Si2158 successfully attached\n",
KBUILD_MODNAME);
return 0;
err:
@@ -255,6 +375,7 @@ static struct i2c_driver si2157_driver = {
module_i2c_driver(si2157_driver);
-MODULE_DESCRIPTION("Silicon Labs Si2157 silicon tuner driver");
+MODULE_DESCRIPTION("Silicon Labs Si2157/Si2158 silicon tuner driver");
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(SI2158_A20_FIRMWARE);
diff --git a/drivers/media/tuners/si2157.h b/drivers/media/tuners/si2157.h
index f469a092b66b..6da4d5d1c817 100644
--- a/drivers/media/tuners/si2157.h
+++ b/drivers/media/tuners/si2157.h
@@ -1,5 +1,5 @@
/*
- * Silicon Labs Si2157 silicon tuner driver
+ * Silicon Labs Si2157/2158 silicon tuner driver
*
* Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
*
@@ -29,6 +29,11 @@ struct si2157_config {
* frontend
*/
struct dvb_frontend *fe;
+
+ /*
+ * Spectral Inversion
+ */
+ bool inversion;
};
#endif
diff --git a/drivers/media/tuners/si2157_priv.h b/drivers/media/tuners/si2157_priv.h
index 6cc6c6fdab7a..3ddab5e6b500 100644
--- a/drivers/media/tuners/si2157_priv.h
+++ b/drivers/media/tuners/si2157_priv.h
@@ -1,5 +1,5 @@
/*
- * Silicon Labs Si2157 silicon tuner driver
+ * Silicon Labs Si2157/2158 silicon tuner driver
*
* Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
*
@@ -17,6 +17,7 @@
#ifndef SI2157_PRIV_H
#define SI2157_PRIV_H
+#include <linux/firmware.h>
#include "si2157.h"
/* state struct */
@@ -25,13 +26,17 @@ struct si2157 {
struct i2c_client *client;
struct dvb_frontend *fe;
bool active;
+ bool inversion;
};
/* firmare command struct */
#define SI2157_ARGLEN 30
struct si2157_cmd {
u8 args[SI2157_ARGLEN];
- unsigned len;
+ unsigned wlen;
+ unsigned rlen;
};
+#define SI2158_A20_FIRMWARE "dvb-tuner-si2158-a20-01.fw"
+
#endif
diff --git a/drivers/media/tuners/tuner-xc2028.c b/drivers/media/tuners/tuner-xc2028.c
index 6ef93ee1fdcb..565eeebb3aeb 100644
--- a/drivers/media/tuners/tuner-xc2028.c
+++ b/drivers/media/tuners/tuner-xc2028.c
@@ -1489,7 +1489,6 @@ struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
case 0:
/* memory allocation failure */
goto fail;
- break;
case 1:
/* new tuner instance */
priv->ctrl.max_len = 13;
diff --git a/drivers/media/tuners/xc4000.c b/drivers/media/tuners/xc4000.c
index 2018befabb5a..f9ab79e3432d 100644
--- a/drivers/media/tuners/xc4000.c
+++ b/drivers/media/tuners/xc4000.c
@@ -93,7 +93,7 @@ struct xc4000_priv {
struct firmware_description *firm;
int firm_size;
u32 if_khz;
- u32 freq_hz;
+ u32 freq_hz, freq_offset;
u32 bandwidth;
u8 video_standard;
u8 rf_mode;
@@ -116,6 +116,7 @@ struct xc4000_priv {
#define XC4000_AUDIO_STD_MONO 32
#define XC4000_DEFAULT_FIRMWARE "dvb-fe-xc4000-1.4.fw"
+#define XC4000_DEFAULT_FIRMWARE_NEW "dvb-fe-xc4000-1.4.1.fw"
/* Misc Defines */
#define MAX_TV_STANDARD 24
@@ -730,13 +731,25 @@ static int xc4000_fwupload(struct dvb_frontend *fe)
char name[33];
const char *fname;
- if (firmware_name[0] != '\0')
+ if (firmware_name[0] != '\0') {
fname = firmware_name;
- else
- fname = XC4000_DEFAULT_FIRMWARE;
- dprintk(1, "Reading firmware %s\n", fname);
- rc = request_firmware(&fw, fname, priv->i2c_props.adap->dev.parent);
+ dprintk(1, "Reading custom firmware %s\n", fname);
+ rc = request_firmware(&fw, fname,
+ priv->i2c_props.adap->dev.parent);
+ } else {
+ fname = XC4000_DEFAULT_FIRMWARE_NEW;
+ dprintk(1, "Trying to read firmware %s\n", fname);
+ rc = request_firmware(&fw, fname,
+ priv->i2c_props.adap->dev.parent);
+ if (rc == -ENOENT) {
+ fname = XC4000_DEFAULT_FIRMWARE;
+ dprintk(1, "Trying to read firmware %s\n", fname);
+ rc = request_firmware(&fw, fname,
+ priv->i2c_props.adap->dev.parent);
+ }
+ }
+
if (rc < 0) {
if (rc == -ENOENT)
printk(KERN_ERR "Error: firmware %s not found.\n", fname);
@@ -746,6 +759,8 @@ static int xc4000_fwupload(struct dvb_frontend *fe)
return rc;
}
+ dprintk(1, "Loading Firmware: %s\n", fname);
+
p = fw->data;
endp = p + fw->size;
@@ -1157,14 +1172,14 @@ static int xc4000_set_params(struct dvb_frontend *fe)
case SYS_ATSC:
dprintk(1, "%s() VSB modulation\n", __func__);
priv->rf_mode = XC_RF_MODE_AIR;
- priv->freq_hz = c->frequency - 1750000;
+ priv->freq_offset = 1750000;
priv->video_standard = XC4000_DTV6;
type = DTV6;
break;
case SYS_DVBC_ANNEX_B:
dprintk(1, "%s() QAM modulation\n", __func__);
priv->rf_mode = XC_RF_MODE_CABLE;
- priv->freq_hz = c->frequency - 1750000;
+ priv->freq_offset = 1750000;
priv->video_standard = XC4000_DTV6;
type = DTV6;
break;
@@ -1173,23 +1188,23 @@ static int xc4000_set_params(struct dvb_frontend *fe)
dprintk(1, "%s() OFDM\n", __func__);
if (bw == 0) {
if (c->frequency < 400000000) {
- priv->freq_hz = c->frequency - 2250000;
+ priv->freq_offset = 2250000;
} else {
- priv->freq_hz = c->frequency - 2750000;
+ priv->freq_offset = 2750000;
}
priv->video_standard = XC4000_DTV7_8;
type = DTV78;
} else if (bw <= 6000000) {
priv->video_standard = XC4000_DTV6;
- priv->freq_hz = c->frequency - 1750000;
+ priv->freq_offset = 1750000;
type = DTV6;
} else if (bw <= 7000000) {
priv->video_standard = XC4000_DTV7;
- priv->freq_hz = c->frequency - 2250000;
+ priv->freq_offset = 2250000;
type = DTV7;
} else {
priv->video_standard = XC4000_DTV8;
- priv->freq_hz = c->frequency - 2750000;
+ priv->freq_offset = 2750000;
type = DTV8;
}
priv->rf_mode = XC_RF_MODE_AIR;
@@ -1200,6 +1215,8 @@ static int xc4000_set_params(struct dvb_frontend *fe)
goto fail;
}
+ priv->freq_hz = c->frequency - priv->freq_offset;
+
dprintk(1, "%s() frequency=%d (compensated)\n",
__func__, priv->freq_hz);
@@ -1520,7 +1537,7 @@ static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq)
{
struct xc4000_priv *priv = fe->tuner_priv;
- *freq = priv->freq_hz;
+ *freq = priv->freq_hz + priv->freq_offset;
if (debug) {
mutex_lock(&priv->lock);
@@ -1668,7 +1685,6 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
switch (instance) {
case 0:
goto fail;
- break;
case 1:
/* new tuner instance */
priv->bandwidth = 6000000;
@@ -1755,3 +1771,5 @@ EXPORT_SYMBOL(xc4000_attach);
MODULE_AUTHOR("Steven Toth, Davide Ferri");
MODULE_DESCRIPTION("Xceive xc4000 silicon tuner driver");
MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(XC4000_DEFAULT_FIRMWARE_NEW);
+MODULE_FIRMWARE(XC4000_DEFAULT_FIRMWARE);
diff --git a/drivers/media/tuners/xc5000.c b/drivers/media/tuners/xc5000.c
index 2b3d514be672..e135760f7d48 100644
--- a/drivers/media/tuners/xc5000.c
+++ b/drivers/media/tuners/xc5000.c
@@ -56,7 +56,7 @@ struct xc5000_priv {
u32 if_khz;
u16 xtal_khz;
- u32 freq_hz;
+ u32 freq_hz, freq_offset;
u32 bandwidth;
u8 video_standard;
u8 rf_mode;
@@ -625,48 +625,30 @@ static int xc_set_xtal(struct dvb_frontend *fe)
return ret;
}
-static int xc5000_fwupload(struct dvb_frontend *fe)
+static int xc5000_fwupload(struct dvb_frontend *fe,
+ const struct xc5000_fw_cfg *desired_fw,
+ const struct firmware *fw)
{
struct xc5000_priv *priv = fe->tuner_priv;
- const struct firmware *fw;
int ret;
- const struct xc5000_fw_cfg *desired_fw =
- xc5000_assign_firmware(priv->chip_id);
- priv->pll_register_no = desired_fw->pll_reg;
- priv->init_status_supported = desired_fw->init_status_supported;
- priv->fw_checksum_supported = desired_fw->fw_checksum_supported;
/* request the firmware, this will block and timeout */
- printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n",
+ dprintk(1, "waiting for firmware upload (%s)...\n",
desired_fw->name);
- ret = request_firmware(&fw, desired_fw->name,
- priv->i2c_props.adap->dev.parent);
- if (ret) {
- printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n");
- goto out;
- } else {
- printk(KERN_DEBUG "xc5000: firmware read %Zu bytes.\n",
- fw->size);
- ret = 0;
- }
+ priv->pll_register_no = desired_fw->pll_reg;
+ priv->init_status_supported = desired_fw->init_status_supported;
+ priv->fw_checksum_supported = desired_fw->fw_checksum_supported;
- if (fw->size != desired_fw->size) {
- printk(KERN_ERR "xc5000: firmware incorrect size\n");
- ret = -EINVAL;
- } else {
- printk(KERN_INFO "xc5000: firmware uploading...\n");
- ret = xc_load_i2c_sequence(fe, fw->data);
- if (0 == ret)
- ret = xc_set_xtal(fe);
- if (0 == ret)
- printk(KERN_INFO "xc5000: firmware upload complete...\n");
- else
- printk(KERN_ERR "xc5000: firmware upload failed...\n");
- }
-out:
- release_firmware(fw);
+ dprintk(1, "firmware uploading...\n");
+ ret = xc_load_i2c_sequence(fe, fw->data);
+ if (!ret) {
+ ret = xc_set_xtal(fe);
+ dprintk(1, "Firmware upload complete...\n");
+ } else
+ printk(KERN_ERR "xc5000: firmware upload failed...\n");
+
return ret;
}
@@ -749,13 +731,13 @@ static int xc5000_set_params(struct dvb_frontend *fe)
case SYS_ATSC:
dprintk(1, "%s() VSB modulation\n", __func__);
priv->rf_mode = XC_RF_MODE_AIR;
- priv->freq_hz = freq - 1750000;
+ priv->freq_offset = 1750000;
priv->video_standard = DTV6;
break;
case SYS_DVBC_ANNEX_B:
dprintk(1, "%s() QAM modulation\n", __func__);
priv->rf_mode = XC_RF_MODE_CABLE;
- priv->freq_hz = freq - 1750000;
+ priv->freq_offset = 1750000;
priv->video_standard = DTV6;
break;
case SYS_ISDBT:
@@ -770,15 +752,15 @@ static int xc5000_set_params(struct dvb_frontend *fe)
switch (bw) {
case 6000000:
priv->video_standard = DTV6;
- priv->freq_hz = freq - 1750000;
+ priv->freq_offset = 1750000;
break;
case 7000000:
priv->video_standard = DTV7;
- priv->freq_hz = freq - 2250000;
+ priv->freq_offset = 2250000;
break;
case 8000000:
priv->video_standard = DTV8;
- priv->freq_hz = freq - 2750000;
+ priv->freq_offset = 2750000;
break;
default:
printk(KERN_ERR "xc5000 bandwidth not set!\n");
@@ -792,15 +774,15 @@ static int xc5000_set_params(struct dvb_frontend *fe)
priv->rf_mode = XC_RF_MODE_CABLE;
if (bw <= 6000000) {
priv->video_standard = DTV6;
- priv->freq_hz = freq - 1750000;
+ priv->freq_offset = 1750000;
b = 6;
} else if (bw <= 7000000) {
priv->video_standard = DTV7;
- priv->freq_hz = freq - 2250000;
+ priv->freq_offset = 2250000;
b = 7;
} else {
priv->video_standard = DTV7_8;
- priv->freq_hz = freq - 2750000;
+ priv->freq_offset = 2750000;
b = 8;
}
dprintk(1, "%s() Bandwidth %dMHz (%d)\n", __func__,
@@ -811,6 +793,8 @@ static int xc5000_set_params(struct dvb_frontend *fe)
return -EINVAL;
}
+ priv->freq_hz = freq - priv->freq_offset;
+
dprintk(1, "%s() frequency=%d (compensated to %d)\n",
__func__, freq, priv->freq_hz);
@@ -1061,7 +1045,7 @@ static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq)
{
struct xc5000_priv *priv = fe->tuner_priv;
dprintk(1, "%s()\n", __func__);
- *freq = priv->freq_hz;
+ *freq = priv->freq_hz + priv->freq_offset;
return 0;
}
@@ -1099,42 +1083,65 @@ static int xc5000_get_status(struct dvb_frontend *fe, u32 *status)
static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force)
{
struct xc5000_priv *priv = fe->tuner_priv;
- int ret = 0;
+ const struct xc5000_fw_cfg *desired_fw = xc5000_assign_firmware(priv->chip_id);
+ const struct firmware *fw;
+ int ret, i;
u16 pll_lock_status;
u16 fw_ck;
cancel_delayed_work(&priv->timer_sleep);
- if (force || xc5000_is_firmware_loaded(fe) != 0) {
+ if (!force && xc5000_is_firmware_loaded(fe) == 0)
+ return 0;
-fw_retry:
+ ret = request_firmware(&fw, desired_fw->name,
+ priv->i2c_props.adap->dev.parent);
+ if (ret) {
+ printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n");
+ return ret;
+ }
+
+ dprintk(1, "firmware read %Zu bytes.\n", fw->size);
+
+ if (fw->size != desired_fw->size) {
+ printk(KERN_ERR "xc5000: Firmware file with incorrect size\n");
+ ret = -EINVAL;
+ goto err;
+ }
- ret = xc5000_fwupload(fe);
+ /* Try up to 5 times to load firmware */
+ for (i = 0; i < 5; i++) {
+ if (i)
+ printk(KERN_CONT " - retrying to upload firmware.\n");
+
+ ret = xc5000_fwupload(fe, desired_fw, fw);
if (ret != 0)
- return ret;
+ goto err;
msleep(20);
if (priv->fw_checksum_supported) {
- if (xc5000_readreg(priv, XREG_FW_CHECKSUM, &fw_ck)
- != 0) {
- dprintk(1, "%s() FW checksum reading failed.\n",
- __func__);
- goto fw_retry;
+ if (xc5000_readreg(priv, XREG_FW_CHECKSUM, &fw_ck)) {
+ printk(KERN_ERR
+ "xc5000: FW checksum reading failed.");
+ continue;
}
- if (fw_ck == 0) {
- dprintk(1, "%s() FW checksum failed = 0x%04x\n",
- __func__, fw_ck);
- goto fw_retry;
+ if (!fw_ck) {
+ printk(KERN_ERR
+ "xc5000: FW checksum failed = 0x%04x.",
+ fw_ck);
+ continue;
}
}
/* Start the tuner self-calibration process */
- ret |= xc_initialize(priv);
-
- if (ret != 0)
- goto fw_retry;
+ ret = xc_initialize(priv);
+ if (ret) {
+ printk(KERN_ERR
+ "xc5000: Can't request Self-callibration.");
+ continue;
+ }
/* Wait for calibration to complete.
* We could continue but XC5000 will clock stretch subsequent
@@ -1144,15 +1151,17 @@ fw_retry:
msleep(100);
if (priv->init_status_supported) {
- if (xc5000_readreg(priv, XREG_INIT_STATUS, &fw_ck) != 0) {
- dprintk(1, "%s() FW failed reading init status.\n",
- __func__);
- goto fw_retry;
+ if (xc5000_readreg(priv, XREG_INIT_STATUS, &fw_ck)) {
+ printk(KERN_ERR
+ "xc5000: FW failed reading init status.");
+ continue;
}
- if (fw_ck == 0) {
- dprintk(1, "%s() FW init status failed = 0x%04x\n", __func__, fw_ck);
- goto fw_retry;
+ if (!fw_ck) {
+ printk(KERN_ERR
+ "xc5000: FW init status failed = 0x%04x.",
+ fw_ck);
+ continue;
}
}
@@ -1161,15 +1170,27 @@ fw_retry:
&pll_lock_status);
if (pll_lock_status > 63) {
/* PLL is unlocked, force reload of the firmware */
- printk(KERN_ERR "xc5000: PLL not running after fwload.\n");
- goto fw_retry;
+ printk(KERN_ERR
+ "xc5000: PLL not running after fwload.");
+ continue;
}
}
/* Default to "CABLE" mode */
- ret |= xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
+ ret = xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
+ if (!ret)
+ break;
+ printk(KERN_ERR "xc5000: can't set to cable mode.");
}
+err:
+ if (!ret)
+ printk(KERN_INFO "xc5000: Firmware %s loaded and running.\n",
+ desired_fw->name);
+ else
+ printk(KERN_CONT " - too many retries. Giving up\n");
+
+ release_firmware(fw);
return ret;
}
@@ -1302,7 +1323,6 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
switch (instance) {
case 0:
goto fail;
- break;
case 1:
/* new tuner instance */
priv->bandwidth = 6000000;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.