unsigned int size;
};
+struct firmware_properties {
+ unsigned int type;
+ v4l2_std_id id;
+ v4l2_std_id std_req;
+ unsigned int scode_table;
+ int scode_nr;
+};
+
struct xc2028_data {
struct list_head xc2028_list;
struct tuner_i2c_props i2c_props;
struct xc2028_ctrl ctrl;
- v4l2_std_id firm_type; /* video stds supported
- by current firmware */
- fe_bandwidth_t bandwidth; /* Firmware bandwidth:
- 6M, 7M or 8M */
- int need_load_generic; /* The generic firmware
- were loaded? */
- enum tuner_mode mode;
- struct i2c_client *i2c_client;
+ struct firmware_properties cur_fw;
struct mutex lock;
};
priv->firm = NULL;
priv->firm_size = 0;
- priv->need_load_generic = 1;
+
+ memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
}
static int load_all_firmwares(struct dvb_frontend *fe)
if (((type & ~SCODE) == 0) && (*id == 0))
*id = V4L2_STD_PAL;
+ if (type & BASE)
+ type &= BASE_TYPES;
+ else if (type & SCODE)
+ type &= SCODE_TYPES;
+ else if (type & DTV_TYPES)
+ type = type & DTV_TYPES;
+
/* Seek for exact match */
for (i = 0; i < priv->firm_size; i++) {
if ((type == priv->firm[i].type) && (*id == priv->firm[i].id))
v4l2_std_id std, fe_bandwidth_t bandwidth)
{
struct xc2028_data *priv = fe->tuner_priv;
- int rc;
+ int rc = 0;
+ unsigned int type = 0;
+ struct firmware_properties new_fw;
u16 version, hwmodel;
- v4l2_std_id std0 = 0;
- unsigned int type0 = 0, type = 0;
- int change_digital_bandwidth;
tuner_dbg("%s called\n", __FUNCTION__);
return rc;
}
- tuner_dbg("I am in mode %u and I should switch to mode %i\n",
- priv->mode, new_mode);
-
- /* first of all, determine whether we have switched the mode */
- if (new_mode != priv->mode) {
- priv->mode = new_mode;
- priv->need_load_generic = 1;
- }
-
- change_digital_bandwidth = (priv->mode == T_DIGITAL_TV
- && bandwidth != priv->bandwidth) ? 1 : 0;
- tuner_dbg("old bandwidth %u, new bandwidth %u\n", priv->bandwidth,
- bandwidth);
-
- if (priv->need_load_generic) {
- /* Reset is needed before loading firmware */
- rc = priv->tuner_callback(priv->video_dev,
- XC2028_TUNER_RESET, 0);
- if (rc < 0)
- return rc;
-
- type0 = BASE;
-
- if (priv->ctrl.type == XC2028_FIRM_MTS)
- type0 |= MTS;
-
- if (bandwidth == BANDWIDTH_7_MHZ ||
- bandwidth == BANDWIDTH_8_MHZ)
- type0 |= F8MHZ;
-
- /* FIXME: How to load FM and FM|INPUT1 firmwares? */
-
- rc = load_firmware(fe, type0, &std0);
- if (rc < 0) {
- tuner_err("Error %d while loading generic firmware\n",
- rc);
- return rc;
- }
-
- priv->need_load_generic = 0;
- priv->firm_type = 0;
- if (priv->mode == T_DIGITAL_TV)
- change_digital_bandwidth = 1;
- }
+ if (priv->ctrl.type == XC2028_FIRM_MTS)
+ type |= MTS;
+ if (bandwidth == BANDWIDTH_7_MHZ || bandwidth == BANDWIDTH_8_MHZ)
+ type |= F8MHZ;
- tuner_dbg("I should change bandwidth %u\n", change_digital_bandwidth);
+ /* FIXME: How to load FM and FM|INPUT1 firmwares? */
- if (change_digital_bandwidth) {
+ if (new_mode == T_DIGITAL_TV) {
if (priv->ctrl.d2633)
type |= D2633;
else
type |= D2620;
- /* FIXME: When should select a DTV78 firmware?
- */
switch (bandwidth) {
case BANDWIDTH_8_MHZ:
type |= DTV8;
/* FIXME: Should allow select also ATSC */
type |= DTV6 | QAM;
break;
-
default:
tuner_err("error: bandwidth not supported.\n");
};
- priv->bandwidth = bandwidth;
}
- if (!change_digital_bandwidth && priv->mode == T_DIGITAL_TV)
- return 0;
+ new_fw.type = type;
+ new_fw.id = std;
+ new_fw.std_req = std;
+ new_fw.scode_table = SCODE | priv->ctrl.scode_table;
+ new_fw.scode_nr = 0;
+
+ tuner_dbg("checking firmware, user requested type=");
+ if (debug) {
+ dump_firm_type(new_fw.type);
+ printk("(%x), id %016llx, scode_tbl ", new_fw.type,
+ (unsigned long long)new_fw.std_req);
+ dump_firm_type(priv->ctrl.scode_table);
+ printk("(%x), scode_nr %d\n", priv->ctrl.scode_table,
+ new_fw.scode_nr);
+ }
+
+ /* No need to reload base firmware if it matches */
+ if (((BASE | new_fw.type) & BASE_TYPES) ==
+ (priv->cur_fw.type & BASE_TYPES)) {
+ tuner_dbg("BASE firmware not changed.\n");
+ goto skip_base;
+ }
+
+ /* Updating BASE - forget about all currently loaded firmware */
+ memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
+
+ /* Reset is needed before loading firmware */
+ rc = priv->tuner_callback(priv->video_dev,
+ XC2028_TUNER_RESET, 0);
+ if (rc < 0)
+ goto fail;
+
+ rc = load_firmware(fe, BASE | new_fw.type, &new_fw.id);
+ if (rc < 0) {
+ tuner_err("Error %d while loading base firmware\n",
+ rc);
+ goto fail;
+ }
/* Load INIT1, if needed */
tuner_dbg("Load init1 firmware, if exists\n");
- type0 = BASE | INIT1;
- if (priv->ctrl.type == XC2028_FIRM_MTS)
- type0 |= MTS;
- /* FIXME: Should handle errors - if INIT1 found */
- rc = load_firmware(fe, type0, &std0);
+ rc = load_firmware(fe, BASE | INIT1 | new_fw.type, &new_fw.id);
+ if (rc < 0 && rc != -ENOENT) {
+ tuner_err("Error %d while loading init1 firmware\n",
+ rc);
+ goto fail;
+ }
- /* FIXME: Should add support for FM radio
+skip_base:
+ /*
+ * No need to reload standard specific firmware if base firmware
+ * was not reloaded and requested video standards have not changed.
*/
-
- if (priv->ctrl.type == XC2028_FIRM_MTS)
- type |= MTS;
-
- if (priv->firm_type & std) {
+ if (priv->cur_fw.type == (BASE | new_fw.type) &&
+ priv->cur_fw.std_req == std) {
tuner_dbg("Std-specific firmware already loaded.\n");
- return 0;
+ goto skip_std_specific;
}
+ /* Reloading std-specific firmware forces a SCODE update */
+ priv->cur_fw.scode_table = 0;
+
/* Add audio hack to std mask */
- std |= parse_audio_std_option();
+ if (new_mode == T_ANALOG_TV)
+ new_fw.id |= parse_audio_std_option();
- rc = load_firmware(fe, type, &std);
+ rc = load_firmware(fe, new_fw.type, &new_fw.id);
if (rc < 0)
- return rc;
+ goto fail;
+
+skip_std_specific:
+ if (priv->cur_fw.scode_table == new_fw.scode_table &&
+ priv->cur_fw.scode_nr == new_fw.scode_nr) {
+ tuner_dbg("SCODE firmware already loaded.\n");
+ goto check_device;
+ }
/* Load SCODE firmware, if exists */
- tuner_dbg("Trying to load scode 0\n");
- type |= SCODE;
+ tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr);
- rc = load_scode(fe, type, &std, 0);
+ rc = load_scode(fe, new_fw.type | new_fw.scode_table,
+ &new_fw.id, new_fw.scode_nr);
+check_device:
xc2028_get_reg(priv, 0x0004, &version);
xc2028_get_reg(priv, 0x0008, &hwmodel);
hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8,
(version & 0xf0) >> 4, version & 0xf);
- priv->firm_type = std;
+ memcpy(&priv->cur_fw, &new_fw, sizeof(priv->cur_fw));
+
+ /*
+ * By setting BASE in cur_fw.type only after successfully loading all
+ * firmwares, we can:
+ * 1. Identify that BASE firmware with type=0 has been loaded;
+ * 2. Tell whether BASE firmware was just changed the next time through.
+ */
+ priv->cur_fw.type |= BASE;
return 0;
+
+fail:
+ memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
+ if (rc == -ENOENT)
+ rc = -EINVAL;
+ return rc;
}
static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
mutex_lock(&priv->lock);
/* HACK: It seems that specific firmware need to be reloaded
- when freq is changed */
-
- priv->firm_type = 0;
-
- /* Reset GPIO 1 */
- rc = priv->tuner_callback(priv->video_dev, XC2028_TUNER_RESET, 0);
- if (rc < 0)
- goto ret;
+ when watching analog TV and freq is changed */
+ if (new_mode != T_DIGITAL_TV)
+ priv->cur_fw.type = 0;
- msleep(10);
tuner_dbg("should set frequency %d kHz\n", freq / 1000);
if (check_firmware(fe, new_mode, std, bandwidth) < 0)
if (new_mode == T_DIGITAL_TV) {
offset = 2750000;
- if (priv->bandwidth == BANDWIDTH_7_MHZ)
+ if (priv->cur_fw.type & DTV7)
offset -= 500000;
}
return NULL;
}
- priv->bandwidth = BANDWIDTH_6_MHZ;
- priv->need_load_generic = 1;
- priv->mode = T_UNINITIALIZED;
priv->i2c_props.addr = cfg->i2c_addr;
priv->i2c_props.adap = cfg->i2c_adap;
priv->video_dev = video_dev;
projects / GitHub / LineageOS / android_kernel_samsung_universal7580.git / commitdiff