#include <linux/delay.h>
#include <linux/io.h>
#include <linux/types.h>
+#include <linux/bitrev.h>
#include "b43.h"
#include "phy.h"
72, 84,
};
+#define bitrev4(tmp) (bitrev8(tmp) >> 4)
static void b43_phy_initg(struct b43_wldev *dev);
-/* Reverse the bits of a 4bit value.
- * Example: 1101 is flipped 1011
- */
-static u16 flip_4bit(u16 value)
-{
- u16 flipped = 0x0000;
-
- B43_WARN_ON(value & ~0x000F);
-
- flipped |= (value & 0x0001) << 3;
- flipped |= (value & 0x0002) << 1;
- flipped |= (value & 0x0004) >> 1;
- flipped |= (value & 0x0008) >> 3;
-
- return flipped;
-}
-
static void generate_rfatt_list(struct b43_wldev *dev,
struct b43_rfatt_list *list)
{
}
}
-static void b43_phy_initb2(struct b43_wldev *dev)
-{
- struct b43_phy *phy = &dev->phy;
- u16 offset, val;
-
- b43_write16(dev, 0x03EC, 0x3F22);
- b43_phy_write(dev, 0x0020, 0x301C);
- b43_phy_write(dev, 0x0026, 0x0000);
- b43_phy_write(dev, 0x0030, 0x00C6);
- b43_phy_write(dev, 0x0088, 0x3E00);
- val = 0x3C3D;
- for (offset = 0x0089; offset < 0x00A7; offset++) {
- b43_phy_write(dev, offset, val);
- val -= 0x0202;
- }
- b43_phy_write(dev, 0x03E4, 0x3000);
- b43_radio_selectchannel(dev, phy->channel, 0);
- if (phy->radio_ver != 0x2050) {
- b43_radio_write16(dev, 0x0075, 0x0080);
- b43_radio_write16(dev, 0x0079, 0x0081);
- }
- b43_radio_write16(dev, 0x0050, 0x0020);
- b43_radio_write16(dev, 0x0050, 0x0023);
- if (phy->radio_ver == 0x2050) {
- b43_radio_write16(dev, 0x0050, 0x0020);
- b43_radio_write16(dev, 0x005A, 0x0070);
- b43_radio_write16(dev, 0x005B, 0x007B);
- b43_radio_write16(dev, 0x005C, 0x00B0);
- b43_radio_write16(dev, 0x007A, 0x000F);
- b43_phy_write(dev, 0x0038, 0x0677);
- b43_radio_init2050(dev);
- }
- b43_phy_write(dev, 0x0014, 0x0080);
- b43_phy_write(dev, 0x0032, 0x00CA);
- b43_phy_write(dev, 0x0032, 0x00CC);
- b43_phy_write(dev, 0x0035, 0x07C2);
-//XXX won't trigger b43_lo_b_measure(dev);
- b43_phy_write(dev, 0x0026, 0xCC00);
- if (phy->radio_ver != 0x2050)
- b43_phy_write(dev, 0x0026, 0xCE00);
- b43_write16(dev, B43_MMIO_CHANNEL_EXT, 0x1000);
- b43_phy_write(dev, 0x002A, 0x88A3);
- if (phy->radio_ver != 0x2050)
- b43_phy_write(dev, 0x002A, 0x88C2);
- b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
- b43_phy_init_pctl(dev);
-}
-
-static void b43_phy_initb4(struct b43_wldev *dev)
-{
- struct b43_phy *phy = &dev->phy;
- u16 offset, val;
-
- b43_write16(dev, 0x03EC, 0x3F22);
- b43_phy_write(dev, 0x0020, 0x301C);
- b43_phy_write(dev, 0x0026, 0x0000);
- b43_phy_write(dev, 0x0030, 0x00C6);
- b43_phy_write(dev, 0x0088, 0x3E00);
- val = 0x3C3D;
- for (offset = 0x0089; offset < 0x00A7; offset++) {
- b43_phy_write(dev, offset, val);
- val -= 0x0202;
- }
- b43_phy_write(dev, 0x03E4, 0x3000);
- b43_radio_selectchannel(dev, phy->channel, 0);
- if (phy->radio_ver != 0x2050) {
- b43_radio_write16(dev, 0x0075, 0x0080);
- b43_radio_write16(dev, 0x0079, 0x0081);
- }
- b43_radio_write16(dev, 0x0050, 0x0020);
- b43_radio_write16(dev, 0x0050, 0x0023);
- if (phy->radio_ver == 0x2050) {
- b43_radio_write16(dev, 0x0050, 0x0020);
- b43_radio_write16(dev, 0x005A, 0x0070);
- b43_radio_write16(dev, 0x005B, 0x007B);
- b43_radio_write16(dev, 0x005C, 0x00B0);
- b43_radio_write16(dev, 0x007A, 0x000F);
- b43_phy_write(dev, 0x0038, 0x0677);
- b43_radio_init2050(dev);
- }
- b43_phy_write(dev, 0x0014, 0x0080);
- b43_phy_write(dev, 0x0032, 0x00CA);
- if (phy->radio_ver == 0x2050)
- b43_phy_write(dev, 0x0032, 0x00E0);
- b43_phy_write(dev, 0x0035, 0x07C2);
-
-//XXX won't trigger b43_lo_b_measure(dev);
-
- b43_phy_write(dev, 0x0026, 0xCC00);
- if (phy->radio_ver == 0x2050)
- b43_phy_write(dev, 0x0026, 0xCE00);
- b43_write16(dev, B43_MMIO_CHANNEL_EXT, 0x1100);
- b43_phy_write(dev, 0x002A, 0x88A3);
- if (phy->radio_ver == 0x2050)
- b43_phy_write(dev, 0x002A, 0x88C2);
- b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
- if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI) {
- b43_calc_nrssi_slope(dev);
- b43_calc_nrssi_threshold(dev);
- }
- b43_phy_init_pctl(dev);
-}
-
static void b43_phy_initb5(struct b43_wldev *dev)
{
struct ssb_bus *bus = dev->dev->bus;
* the value 0x7FFFFFFF here. I think that is some weird
* compiler optimization in the original driver.
* Essentially, what we do here is resetting all NRSSI LT
- * entries to -32 (see the limit_value() in nrssi_hw_update())
+ * entries to -32 (see the clamp_val() in nrssi_hw_update())
*/
b43_nrssi_hw_update(dev, 0xFFFF); //FIXME?
b43_calc_nrssi_threshold(dev);
switch (phy->type) {
case B43_PHYTYPE_A:
tmp += 0x80;
- tmp = limit_value(tmp, 0x00, 0xFF);
+ tmp = clamp_val(tmp, 0x00, 0xFF);
dbm = phy->tssi2dbm[tmp];
//TODO: There's a FIXME on the specs
break;
case B43_PHYTYPE_B:
case B43_PHYTYPE_G:
- tmp = limit_value(tmp, 0x00, 0x3F);
+ tmp = clamp_val(tmp, 0x00, 0x3F);
dbm = phy->tssi2dbm[tmp];
break;
default:
break;
}
- *_rfatt = limit_value(rfatt, rf_min, rf_max);
- *_bbatt = limit_value(bbatt, bb_min, bb_max);
+ *_rfatt = clamp_val(rfatt, rf_min, rf_max);
+ *_bbatt = clamp_val(bbatt, bb_min, bb_max);
}
/* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */
/* Get desired power (in Q5.2) */
desired_pwr = INT_TO_Q52(phy->power_level);
/* And limit it. max_pwr already is Q5.2 */
- desired_pwr = limit_value(desired_pwr, 0, max_pwr);
+ desired_pwr = clamp_val(desired_pwr, 0, max_pwr);
if (b43_debug(dev, B43_DBG_XMITPOWER)) {
b43dbg(dev->wl,
"Current TX power output: " Q52_FMT
f = q;
i++;
} while (delta >= 2);
- entry[index] = limit_value(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128);
+ entry[index] = clamp_val(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128);
return 0;
}
else
unsupported = 1;
break;
- case B43_PHYTYPE_B:
- switch (phy->rev) {
- case 2:
- b43_phy_initb2(dev);
- break;
- case 4:
- b43_phy_initb4(dev);
- break;
- case 5:
- b43_phy_initb5(dev);
- break;
- case 6:
- b43_phy_initb6(dev);
- break;
- default:
- unsupported = 1;
- }
- break;
case B43_PHYTYPE_G:
b43_phy_initg(dev);
break;
for (i = 0; i < 64; i++) {
tmp = b43_nrssi_hw_read(dev, i);
tmp -= val;
- tmp = limit_value(tmp, -32, 31);
+ tmp = clamp_val(tmp, -32, 31);
b43_nrssi_hw_write(dev, i, tmp);
}
}
tmp = (i - delta) * phy->nrssislope;
tmp /= 0x10000;
tmp += 0x3A;
- tmp = limit_value(tmp, 0, 0x3F);
+ tmp = clamp_val(tmp, 0, 0x3F);
phy->nrssi_lt[i] = tmp;
}
}
} else
threshold = phy->nrssi[1] - 5;
- threshold = limit_value(threshold, 0, 0x3E);
+ threshold = clamp_val(threshold, 0, 0x3E);
b43_phy_read(dev, 0x0020); /* dummy read */
b43_phy_write(dev, 0x0020,
(((u16) threshold) << 8) | 0x001C);
else
a += 32;
a = a >> 6;
- a = limit_value(a, -31, 31);
+ a = clamp_val(a, -31, 31);
b = b * (phy->nrssi[1] - phy->nrssi[0]);
b += (phy->nrssi[0] << 6);
else
b += 32;
b = b >> 6;
- b = limit_value(b, -31, 31);
+ b = clamp_val(b, -31, 31);
tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000;
tmp_u16 |= ((u32) b & 0x0000003F);
}
radio_stacksave(0x0078);
tmp = (b43_radio_read16(dev, 0x0078) & 0x001E);
- flipped = flip_4bit(tmp);
+ B43_WARN_ON(tmp > 15);
+ flipped = bitrev4(tmp);
if (flipped < 10 && flipped >= 8)
flipped = 7;
else if (flipped >= 10)
flipped -= 3;
- flipped = flip_4bit(flipped);
- flipped = (flipped << 1) | 0x0020;
+ flipped = (bitrev4(flipped) << 1) | 0x0020;
b43_radio_write16(dev, 0x0078, flipped);
b43_calc_nrssi_threshold(dev);
tmp1 >>= 9;
for (i = 0; i < 16; i++) {
- radio78 = ((flip_4bit(i) << 1) | 0x20);
+ radio78 = (bitrev4(i) << 1) | 0x0020;
b43_radio_write16(dev, 0x78, radio78);
udelay(10);
for (j = 0; j < 16; j++) {
git.openpandora.org / pandora-kernel.git / blobdiff