Add a file to debugfs to extract the Local Oscillator
calibration data.
Signed-off-by: Michael Buesch <mb@xxxxxxxxx>
Cc: Larry Finger <larry.finger@xxxxxxxxxxxx>
Index: wireless-dev-new/drivers/net/wireless/b43/debugfs.c
===================================================================
--- wireless-dev-new.orig/drivers/net/wireless/b43/debugfs.c 2007-08-22 00:42:34.000000000 +0200
+++ wireless-dev-new/drivers/net/wireless/b43/debugfs.c 2007-08-22 01:38:36.000000000 +0200
@@ -374,6 +374,88 @@ static ssize_t txpower_g_write_file(stru
return res;
}
+static size_t append_lo_table(size_t pos, char *buf, const size_t len,
+ struct b43_loctl table[B43_NR_BB][B43_NR_RF])
+{
+ unsigned int i, j;
+ struct b43_loctl *ctl;
+
+ for (i = 0; i < B43_NR_BB; i++) {
+ for (j = 0; j < B43_NR_RF; j++) {
+ ctl = &(table[i][j]);
+ fappend("(bbatt %2u, rfatt %2u) -> "
+ "(I %+3d, Q %+3d, Used: %d, Calibrated: %d)\n",
+ i, j, ctl->i, ctl->q,
+ ctl->used,
+ b43_loctl_is_calibrated(ctl));
+ }
+ }
+
+ return pos;
+}
+
+static ssize_t loctls_read_file(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct b43_wldev *dev = file->private_data;
+ const size_t len = ARRAY_SIZE(big_buffer);
+ char *buf = big_buffer;
+ size_t pos = 0;
+ ssize_t res;
+ unsigned long flags;
+ struct b43_txpower_lo_control *lo;
+ unsigned int i;
+
+ mutex_lock(&big_buffer_mutex);
+ mutex_lock(&dev->wl->mutex);
+ spin_lock_irqsave(&dev->wl->irq_lock, flags);
+ if (b43_status(dev) < B43_STAT_INITIALIZED) {
+ fappend("Not initialized\n");
+ goto out;
+ }
+ if (dev->phy.type != B43_PHYTYPE_G) {
+ fappend("Device is not a G-PHY\n");
+ goto out;
+ }
+
+ lo = dev->phy.lo_control;
+ fappend("-- Local Oscillator calibration data --\n\n");
+ fappend("Measured: %d, Rebuild: %d, HW-power-control: %d\n",
+ lo->lo_measured,
+ lo->rebuild,
+ dev->phy.hardware_power_control);
+ fappend("TX Bias: 0x%02X, TX Magn: 0x%02X\n",
+ lo->tx_bias, lo->tx_magn);
+ fappend("Power Vector: 0x%08X%08X\n",
+ (unsigned int)((lo->power_vector & 0xFFFFFFFF00000000ULL) >> 32),
+ (unsigned int)(lo->power_vector & 0x00000000FFFFFFFFULL));
+ fappend("\nControl table WITH PADMIX:\n");
+ pos = append_lo_table(pos, buf, len, lo->with_padmix);
+ fappend("\nControl table WITHOUT PADMIX:\n");
+ pos = append_lo_table(pos, buf, len, lo->no_padmix);
+ fappend("\nUsed RF attenuation values: Value(WithPadmix flag)\n");
+ for (i = 0; i < lo->rfatt_list.len; i++) {
+ fappend("%u(%d), ",
+ lo->rfatt_list.list[i].att,
+ lo->rfatt_list.list[i].with_padmix);
+ }
+ fappend("\n");
+ fappend("\nUsed Baseband attenuation values:\n");
+ for (i = 0; i < lo->bbatt_list.len; i++) {
+ fappend("%u, ",
+ lo->bbatt_list.list[i].att);
+ }
+ fappend("\n");
+
+out:
+ spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
+ mutex_unlock(&dev->wl->mutex);
+ res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ mutex_unlock(&big_buffer_mutex);
+
+ return res;
+}
+
#undef fappend
static struct file_operations drvinfo_fops = {
@@ -405,6 +487,12 @@ static struct file_operations restart_fo
.open = open_file_generic,
};
+static struct file_operations loctls_fops = {
+ .read = loctls_read_file,
+ .open = open_file_generic,
+};
+
+
int b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature)
{
return !!(dev->dfsentry && dev->dfsentry->dyn_debug[feature]);
@@ -499,6 +587,10 @@ void b43_debugfs_add_device(struct b43_w
dev, &restart_fops);
if (IS_ERR(e->dentry_restart))
e->dentry_restart = NULL;
+ e->dentry_loctls = debugfs_create_file("loctls", 0400, e->subdir,
+ dev, &loctls_fops);
+ if (IS_ERR(e->dentry_loctls))
+ e->dentry_loctls = NULL;
b43_add_dynamic_debug(dev);
}
@@ -513,6 +605,7 @@ void b43_debugfs_remove_device(struct b4
if (!e)
return;
b43_remove_dynamic_debug(dev);
+ debugfs_remove(e->dentry_loctls);
debugfs_remove(e->dentry_tsf);
debugfs_remove(e->dentry_txstat);
debugfs_remove(e->dentry_restart);
Index: wireless-dev-new/drivers/net/wireless/b43/debugfs.h
===================================================================
--- wireless-dev-new.orig/drivers/net/wireless/b43/debugfs.h 2007-08-22 00:42:34.000000000 +0200
+++ wireless-dev-new/drivers/net/wireless/b43/debugfs.h 2007-08-22 00:42:34.000000000 +0200
@@ -34,6 +34,7 @@ struct b43_dfsentry {
struct dentry *dentry_txstat;
struct dentry *dentry_txpower_g;
struct dentry *dentry_restart;
+ struct dentry *dentry_loctls;
struct b43_wldev *dev;
--
-
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