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path: root/linux/drivers/media/video/tuner-xc2028.c
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Diffstat (limited to 'linux/drivers/media/video/tuner-xc2028.c')
-rw-r--r--linux/drivers/media/video/tuner-xc2028.c267
1 files changed, 202 insertions, 65 deletions
diff --git a/linux/drivers/media/video/tuner-xc2028.c b/linux/drivers/media/video/tuner-xc2028.c
index 05727bf83..3378c8d91 100644
--- a/linux/drivers/media/video/tuner-xc2028.c
+++ b/linux/drivers/media/video/tuner-xc2028.c
@@ -32,6 +32,10 @@
#define PREFIX "xc2028"
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable verbose debug messages");
+
static LIST_HEAD(xc2028_list);
/* struct for storing firmware table */
struct firmware_description {
@@ -80,14 +84,14 @@ struct xc2028_data {
#define i2c_send(rc, priv, buf, size) do { \
rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \
if (size != rc) \
- tuner_info("i2c output error: rc = %d (should be %d)\n",\
+ tuner_err("i2c output error: rc = %d (should be %d)\n", \
rc, (int)size); \
} while (0)
#define i2c_rcv(rc, priv, buf, size) do { \
rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \
if (size != rc) \
- tuner_info("i2c input error: rc = %d (should be %d)\n", \
+ tuner_err("i2c input error: rc = %d (should be %d)\n", \
rc, (int)size); \
} while (0)
@@ -97,7 +101,7 @@ struct xc2028_data {
if (sizeof(_val) != \
(rc = tuner_i2c_xfer_send(&priv->i2c_props, \
_val, sizeof(_val)))) { \
- tuner_info("Error on line %d: %d\n", __LINE__, rc); \
+ tuner_err("Error on line %d: %d\n", __LINE__, rc); \
return -EINVAL; \
} \
msleep(10); \
@@ -108,7 +112,7 @@ static unsigned int xc2028_get_reg(struct xc2028_data *priv, u16 reg)
int rc;
unsigned char buf[2];
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
buf[0] = reg>>8;
buf[1] = (unsigned char) reg;
@@ -124,6 +128,70 @@ static unsigned int xc2028_get_reg(struct xc2028_data *priv, u16 reg)
return (buf[1]) | (buf[0] << 8);
}
+void dump_firm_type(unsigned int type)
+{
+ if (type & BASE)
+ printk("BASE ");
+ if (type & INIT1)
+ printk("INIT1 ");
+ if (type & F8MHZ)
+ printk("F8MHZ ");
+ if (type & MTS)
+ printk("MTS ");
+ if (type & D2620)
+ printk("D2620 ");
+ if (type & D2633)
+ printk("D2633 ");
+ if (type & DTV6)
+ printk("DTV6 ");
+ if (type & QAM)
+ printk("QAM ");
+ if (type & DTV7)
+ printk("DTV7 ");
+ if (type & DTV78)
+ printk("DTV78 ");
+ if (type & DTV8)
+ printk("DTV8 ");
+ if (type & FM)
+ printk("FM ");
+ if (type & INPUT1)
+ printk("INPUT1 ");
+ if (type & LCD)
+ printk("LCD ");
+ if (type & NOGD)
+ printk("NOGD ");
+ if (type & MONO)
+ printk("MONO ");
+ if (type & ATSC)
+ printk("ATSC ");
+ if (type & IF)
+ printk("IF ");
+ if (type & LG60)
+ printk("LG60 ");
+ if (type & ATI638)
+ printk("ATI638 ");
+ if (type & OREN538)
+ printk("OREN538 ");
+ if (type & OREN36)
+ printk("OREN36 ");
+ if (type & TOYOTA388)
+ printk("TOYOTA388 ");
+ if (type & TOYOTA794)
+ printk("TOYOTA794 ");
+ if (type & DIBCOM52)
+ printk("DIBCOM52 ");
+ if (type & ZARLINK456)
+ printk("ZARLINK456 ");
+ if (type & CHINA)
+ printk("CHINA ");
+ if (type & F6MHZ)
+ printk("F6MHZ ");
+ if (type & INPUT2)
+ printk("INPUT2 ");
+ if (type & SCODE)
+ printk("SCODE ");
+}
+
static void free_firmware(struct xc2028_data *priv)
{
int i;
@@ -149,16 +217,16 @@ static int load_all_firmwares(struct dvb_frontend *fe)
int n, n_array;
char name[33];
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
- tuner_info("Loading firmware %s\n", priv->ctrl.fname);
+ tuner_info("Reading firmware %s\n", priv->ctrl.fname);
rc = request_firmware(&fw, priv->ctrl.fname, priv->dev);
if (rc < 0) {
if (rc == -ENOENT)
- tuner_info("Error: firmware %s not found.\n",
+ tuner_err("Error: firmware %s not found.\n",
priv->ctrl.fname);
else
- tuner_info("Error %d while requesting firmware %s \n",
+ tuner_err("Error %d while requesting firmware %s \n",
rc, priv->ctrl.fname);
return rc;
@@ -167,7 +235,7 @@ static int load_all_firmwares(struct dvb_frontend *fe)
endp = p + fw->size;
if (fw->size < sizeof(name) - 1 + 2) {
- tuner_info("Error: firmware size is zero!\n");
+ tuner_err("Error: firmware size is zero!\n");
rc = -EINVAL;
goto done;
}
@@ -179,7 +247,7 @@ static int load_all_firmwares(struct dvb_frontend *fe)
priv->version = le16_to_cpu(*(__u16 *) p);
p += 2;
- tuner_info("firmware: %s, ver %d.%d\n", name,
+ tuner_info("Firmware: %s, ver %d.%d\n", name,
priv->version >> 8, priv->version & 0xff);
if (p + 2 > endp)
@@ -188,12 +256,13 @@ static int load_all_firmwares(struct dvb_frontend *fe)
n_array = le16_to_cpu(*(__u16 *) p);
p += 2;
- tuner_info("there are %d firmwares at %s\n", n_array, priv->ctrl.fname);
+ tuner_info("There are %d firmwares at %s\n",
+ n_array, priv->ctrl.fname);
priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL);
if (!fw) {
- tuner_info("Not enough memory for loading firmware.\n");
+ tuner_err("Not enough memory for reading firmware.\n");
rc = -ENOMEM;
goto done;
}
@@ -206,13 +275,13 @@ static int load_all_firmwares(struct dvb_frontend *fe)
n++;
if (n >= n_array) {
- tuner_info("Too much firmwares at the file\n");
+ tuner_err("Too much firmwares at the file\n");
goto corrupt;
}
/* Checks if there's enough bytes to read */
if (p + sizeof(type) + sizeof(id) + sizeof(size) > endp) {
- tuner_info("Lost firmware!\n");
+ tuner_err("Firmware header is incomplete!\n");
goto corrupt;
}
@@ -226,18 +295,23 @@ static int load_all_firmwares(struct dvb_frontend *fe)
p += sizeof(size);
if ((!size) || (size + p > endp)) {
- tuner_info("Firmware type %x, id %lx corrupt\n",
- type, (unsigned long)id);
+ tuner_err("Firmware type ");
+ dump_firm_type(type);
+ printk("(%x), id %lx is corrupted "
+ "(size=%ld, expected %d)\n",
+ type, (unsigned long)id, endp - p, size);
goto corrupt;
}
priv->firm[n].ptr = kzalloc(size, GFP_KERNEL);
if (!priv->firm[n].ptr) {
- tuner_info("Not enough memory.\n");
+ tuner_err("Not enough memory.\n");
rc = -ENOMEM;
goto err;
}
- tuner_info("Loading firmware type %x, id %lx, size=%d.\n",
+ tuner_info("Reading firmware type ");
+ dump_firm_type(type);
+ printk("(%x), id %lx, size=%d.\n",
type, (unsigned long)id, size);
memcpy(priv->firm[n].ptr, p, size);
@@ -249,7 +323,7 @@ static int load_all_firmwares(struct dvb_frontend *fe)
}
if (n + 1 != priv->firm_size) {
- tuner_info("Firmware file is incomplete!\n");
+ tuner_err("Firmware file is incomplete!\n");
goto corrupt;
}
@@ -257,7 +331,7 @@ static int load_all_firmwares(struct dvb_frontend *fe)
corrupt:
rc = -EINVAL;
- tuner_info("Error: firmware file is corrupted!\n");
+ tuner_err("Error: firmware file is corrupted!\n");
err:
tuner_info("Releasing loaded firmware file.\n");
@@ -266,26 +340,25 @@ err:
done:
release_firmware(fw);
- tuner_info("Firmware files loaded.\n");
+ tuner_dbg("Firmware files loaded.\n");
return rc;
}
-static int load_firmware(struct dvb_frontend *fe, unsigned int type,
- v4l2_std_id * id)
+static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
+ v4l2_std_id *id)
{
struct xc2028_data *priv = fe->tuner_priv;
- int i, rc;
- unsigned char *p, *endp, buf[priv->max_len];
+ int i;
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
if (!priv->firm) {
- printk(KERN_ERR PREFIX "Error! firmware not loaded\n");
+ tuner_err("Error! firmware not loaded\n");
return -EINVAL;
}
- if ((type == 0) && (*id == 0))
+ if (((type & ~SCODE) == 0) && (*id == 0))
*id = V4L2_STD_PAL;
/* Seek for exact match */
@@ -302,28 +375,52 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type,
/*FIXME: Would make sense to seek for type "hint" match ? */
- tuner_info("Can't find firmware for type=%x, id=%lx\n", type,
- (long int)*id);
- return -EINVAL;
+ i = -EINVAL;
+ goto ret;
found:
*id = priv->firm[i].id;
- tuner_info("Found firmware for type=%x, id=%lx\n", type, (long int)*id);
- p = priv->firm[i].ptr;
+ret:
+ tuner_dbg("%s firmware for type=", (i < 0)? "Can't find": "Found");
+ if (debug) {
+ dump_firm_type(type);
+ printk("(%x), id %08lx.\n", type, (unsigned long)*id);
+ }
+ return i;
+}
+
+static int load_firmware(struct dvb_frontend *fe, unsigned int type,
+ v4l2_std_id *id)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int pos, rc;
+ unsigned char *p, *endp, buf[priv->max_len];
+
+ tuner_dbg("%s called\n", __FUNCTION__);
+
+ pos = seek_firmware(fe, type, id);
+ if (pos < 0)
+ return pos;
+
+ tuner_info("Loading firmware for type=");
+ dump_firm_type(type);
+ printk("(%x), id %08lx.\n", type, (unsigned long)*id);
+
+ p = priv->firm[pos].ptr;
if (!p) {
- printk(KERN_ERR PREFIX "Firmware pointer were freed!");
+ tuner_err("Firmware pointer were freed!");
return -EINVAL;
}
- endp = p + priv->firm[i].size;
+ endp = p + priv->firm[pos].size;
while (p < endp) {
__u16 size;
/* Checks if there's enough bytes to read */
if (p + sizeof(size) > endp) {
- tuner_info("missing bytes\n");
+ tuner_err("Firmware chunk size is wrong\n");
return -EINVAL;
}
@@ -338,7 +435,7 @@ found:
rc = priv->tuner_callback(priv->video_dev,
XC2028_TUNER_RESET, 0);
if (rc < 0) {
- tuner_info("Error at RESET code %d\n",
+ tuner_err("Error at RESET code %d\n",
(*p) & 0x7f);
return -EINVAL;
}
@@ -352,7 +449,7 @@ found:
}
if ((size + p > endp)) {
- tuner_info("missing bytes: need %d, have %d\n",
+ tuner_err("missing bytes: need %d, have %d\n",
size, (int)(endp - p));
return -EINVAL;
}
@@ -370,7 +467,7 @@ found:
i2c_send(rc, priv, buf, len + 1);
if (rc < 0) {
- tuner_info("%d returned from send\n", rc);
+ tuner_err("%d returned from send\n", rc);
return -EINVAL;
}
@@ -378,7 +475,43 @@ found:
size -= len;
}
}
- return -EINVAL;
+ return 0;
+}
+
+static int load_scode(struct dvb_frontend *fe, unsigned int type,
+ v4l2_std_id *id, int scode)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int pos, rc;
+ unsigned char *p;
+
+ tuner_dbg("%s called\n", __FUNCTION__);
+
+ pos = seek_firmware(fe, type, id);
+ if (pos < 0)
+ return pos;
+
+ p = priv->firm[pos].ptr;
+
+ if (!p) {
+ tuner_err("Firmware pointer were freed!");
+ return -EINVAL;
+ }
+
+ if ((priv->firm[pos].size != 12 * 16) || (scode >= 16))
+ return -EINVAL;
+
+ if (priv->version < 0x0202) {
+ send_seq(priv, {0x20, 0x00, 0x00, 0x00});
+ } else {
+ send_seq(priv, {0xa0, 0x00, 0x00, 0x00});
+ }
+
+ i2c_send(rc, priv, p + 12 * scode, 12);
+
+ send_seq(priv, {0x00, 0x8c});
+
+ return 0;
}
static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
@@ -390,7 +523,7 @@ static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
unsigned int type0 = 0, type = 0;
int change_digital_bandwidth;
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
if (!priv->firm) {
if (!priv->ctrl.fname)
@@ -401,7 +534,7 @@ static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
return rc;
}
- tuner_info("I am in mode %u and I should switch to mode %i\n",
+ 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 */
@@ -412,7 +545,7 @@ static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
change_digital_bandwidth = (priv->mode == T_DIGITAL_TV
&& bandwidth != priv->bandwidth) ? 1 : 0;
- tuner_info("old bandwidth %u, new bandwidth %u\n", priv->bandwidth,
+ tuner_dbg("old bandwidth %u, new bandwidth %u\n", priv->bandwidth,
bandwidth);
if (priv->need_load_generic) {
@@ -434,8 +567,8 @@ static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
rc = load_firmware(fe, type0, &std0);
if (rc < 0) {
- tuner_info("Error %d while loading generic firmware\n",
- rc);
+ tuner_err("Error %d while loading generic firmware\n",
+ rc);
return rc;
}
@@ -445,7 +578,7 @@ static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
change_digital_bandwidth = 1;
}
- tuner_info("I should change bandwidth %u\n", change_digital_bandwidth);
+ tuner_dbg("I should change bandwidth %u\n", change_digital_bandwidth);
if (change_digital_bandwidth) {
@@ -463,18 +596,18 @@ static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
break;
case BANDWIDTH_6_MHZ:
/* FIXME: Should allow select also ATSC */
- type |= DTV6_QAM;
+ type |= DTV6 | QAM;
break;
default:
- tuner_info("error: bandwidth not supported.\n");
+ tuner_err("error: bandwidth not supported.\n");
};
priv->bandwidth = bandwidth;
}
/* Load INIT1, if needed */
- tuner_info("Trying to load init1 firmware\n");
- type0 = BASE | INIT1 | priv->ctrl.type;
+ tuner_dbg("Load init1 firmware, if exists\n");
+ type0 = BASE | INIT1;
if (priv->ctrl.type == XC2028_FIRM_MTS)
type0 |= MTS;
@@ -487,9 +620,8 @@ static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
if (priv->ctrl.type == XC2028_FIRM_MTS)
type |= MTS;
- tuner_info("firmware standard to load: %08lx\n", (unsigned long)std);
if (priv->firm_type & std) {
- tuner_info("no need to load a std-specific firmware.\n");
+ tuner_dbg("Std-specific firmware already loaded.\n");
return 0;
}
@@ -497,6 +629,12 @@ static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
if (rc < 0)
return rc;
+ /* Load SCODE firmware, if exists */
+ tuner_dbg("Trying to load scode 0\n");
+ type |= SCODE;
+
+ rc = load_scode(fe, type, &std, 0);
+
version = xc2028_get_reg(priv, 0x0004);
hwmodel = xc2028_get_reg(priv, 0x0008);
@@ -515,7 +653,7 @@ static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
struct xc2028_data *priv = fe->tuner_priv;
int frq_lock, signal = 0;
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
mutex_lock(&priv->lock);
@@ -553,7 +691,7 @@ static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */ ,
unsigned char buf[5];
u32 div, offset = 0;
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
mutex_lock(&priv->lock);
@@ -570,7 +708,7 @@ static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */ ,
msleep(10);
#endif
- tuner_info("should set frequency %d kHz)\n", freq / 1000);
+ tuner_dbg("should set frequency %d kHz)\n", freq / 1000);
if (check_firmware(fe, new_mode, std, bandwidth) < 0)
goto ret;
@@ -607,7 +745,7 @@ static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */ ,
priv->frequency = freq;
- printk("divider= %02x %02x %02x %02x (freq=%d.%02d)\n",
+ tuner_dbg("divider= %02x %02x %02x %02x (freq=%d.%02d)\n",
buf[1], buf[2], buf[3], buf[4],
freq / 1000000, (freq % 1000000) / 10000);
@@ -624,7 +762,7 @@ static int xc2028_set_tv_freq(struct dvb_frontend *fe,
{
struct xc2028_data *priv = fe->tuner_priv;
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
return generic_set_tv_freq(fe, 62500l * p->frequency, T_ANALOG_TV,
p->std, BANDWIDTH_8_MHZ /* NOT USED */);
@@ -635,11 +773,11 @@ static int xc2028_set_params(struct dvb_frontend *fe,
{
struct xc2028_data *priv = fe->tuner_priv;
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
/* FIXME: Only OFDM implemented */
if (fe->ops.info.type != FE_OFDM) {
- tuner_info("DTV type not implemented.\n");
+ tuner_err("DTV type not implemented.\n");
return -EINVAL;
}
@@ -653,7 +791,7 @@ static int xc2028_dvb_release(struct dvb_frontend *fe)
{
struct xc2028_data *priv = fe->tuner_priv;
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
priv->count--;
@@ -673,7 +811,7 @@ static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency)
{
struct xc2028_data *priv = fe->tuner_priv;
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
*frequency = priv->frequency;
@@ -685,7 +823,7 @@ static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg)
struct xc2028_data *priv = fe->tuner_priv;
struct xc2028_ctrl *p = priv_cfg;
- tuner_info("%s called\n", __FUNCTION__);
+ tuner_dbg("%s called\n", __FUNCTION__);
priv->ctrl.type = p->type;
@@ -703,8 +841,6 @@ static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg)
if (p->max_len > 0)
priv->max_len = p->max_len;
- tuner_info("%s OK\n", __FUNCTION__);
-
return 0;
}
@@ -736,7 +872,8 @@ int xc2028_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c_adap,
{
struct xc2028_data *priv;
- printk(KERN_INFO PREFIX "Xcv2028/3028 init called!\n");
+ if (debug)
+ printk(KERN_DEBUG PREFIX "Xcv2028/3028 init called!\n");
if (NULL == dev)
return -ENODEV;
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-23 12:08:56 +0000