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raspberrypi-kernel
提交 e90cf1c7 编写于 作者: R Rafał Miłecki 提交者： John W. Linville
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b43: N-PHY: fixes for radio 0x2057 

Enable initialization and update calibration code to fix:
b43-phy0 ERROR: Radio 0x2057 rcal timeout
b43-phy0 debug: Radio 0x2057 rccal timeout
b43-phy0 debug: Radio 0x2057 rccal timeout
b43-phy0 ERROR: Radio 0x2057 rcal timeout
Signed-off-by: NRafał Miłecki <zajec5@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 c1084e02
隐藏空白更改
内联 并排
Showing with 61 addition and 22 deletion
drivers/net/wireless/b43/phy_n.c
浏览文件 @ e90cf1c7
......@@ -590,7 +590,9 @@ static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
* Radio 0x2057
**************************************************/
/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rcal */
/* Calibrate resistors in LPF of PLL?
* http://bcm-v4.sipsolutions.net/PHY/radio205x_rcal
*/
static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
......@@ -603,15 +605,25 @@ static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
b43_radio_maskset(dev, 0x1ca, ~0x2, 0x1);
}
/* Enable */
b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1);
udelay(10);
b43_radio_set(dev, R2057_RCAL_CONFIG, 0x3);
if (!b43_radio_wait_value(dev, R2057_RCCAL_N1_1, 1, 1, 100, 1000000)) {
/* Start */
b43_radio_set(dev, R2057_RCAL_CONFIG, 0x2);
usleep_range(100, 200);
/* Stop */
b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
/* Wait and check for result */
if (!b43_radio_wait_value(dev, R2057_RCAL_STATUS, 1, 1, 100, 1000000)) {
b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
return 0;
}
b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E;
/* Disable */
b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1);
if (phy->radio_rev == 5) {
......@@ -627,7 +639,9 @@ static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
return tmp & 0x3e;
}
/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal */
/* Calibrate the internal RC oscillator?
* http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal
*/
static u16 b43_radio_2057_rccal(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
......@@ -635,49 +649,76 @@ static u16 b43_radio_2057_rccal(struct b43_wldev *dev)
phy->radio_rev == 6);
u16 tmp;
/* Setup cal */
if (special) {
b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61);
b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0);
} else {
b43_radio_write(dev, 0x1AE, 0x61);
b43_radio_write(dev, R2057v7_RCCAL_MASTER, 0x61);
b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE1);
}
b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
/* Start, wait, stop */
b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 2, 2, 500,
5000000))
b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
usleep_range(35, 70);
b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
usleep_range(70, 140);
/* Setup cal */
if (special) {
b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69);
b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
} else {
b43_radio_write(dev, 0x1AE, 0x69);
b43_radio_write(dev, R2057v7_RCCAL_MASTER, 0x69);
b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5);
}
b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
/* Start, wait, stop */
usleep_range(35, 70);
b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
usleep_range(70, 140);
if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 2, 2, 500,
5000000))
b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
usleep_range(35, 70);
b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
usleep_range(70, 140);
/* Setup cal */
if (special) {
b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73);
b43_radio_write(dev, R2057_RCCAL_X1, 0x28);
b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
} else {
b43_radio_write(dev, 0x1AE, 0x73);
b43_radio_write(dev, R2057v7_RCCAL_MASTER, 0x73);
b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99);
}
/* Start, wait, stop */
usleep_range(35, 70);
b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
usleep_range(70, 140);
if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 2, 2, 500,
5000000)) {
b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
return 0;
}
tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP);
usleep_range(35, 70);
b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
usleep_range(70, 140);
if (special)
b43_radio_mask(dev, R2057_RCCAL_MASTER, ~0x1);
else
b43_radio_mask(dev, R2057v7_RCCAL_MASTER, ~0x1);
return tmp;
}
......
drivers/net/wireless/b43/radio_2057.c
浏览文件 @ e90cf1c7
......@@ -26,7 +26,7 @@
#include "radio_2057.h"
#include "phy_common.h"
static u16 r2057_rev4_init[42][2] = {
static u16 r2057_rev4_init[][2] = {
{ 0x0E, 0x20 }, { 0x31, 0x00 }, { 0x32, 0x00 }, { 0x33, 0x00 },
{ 0x35, 0x26 }, { 0x3C, 0xff }, { 0x3D, 0xff }, { 0x3E, 0xff },
{ 0x3F, 0xff }, { 0x62, 0x33 }, { 0x8A, 0xf0 }, { 0x8B, 0x10 },
......@@ -40,7 +40,7 @@ static u16 r2057_rev4_init[42][2] = {
{ 0x1AB, 0x00 }, { 0x1AC, 0x00 },
};
static u16 r2057_rev5_init[44][2] = {
static u16 r2057_rev5_init[][2] = {
{ 0x00, 0x00 }, { 0x01, 0x57 }, { 0x02, 0x20 }, { 0x23, 0x6 },
{ 0x31, 0x00 }, { 0x32, 0x00 }, { 0x33, 0x00 }, { 0x51, 0x70 },
{ 0x59, 0x88 }, { 0x5C, 0x20 }, { 0x62, 0x33 }, { 0x63, 0x0f },
......@@ -54,7 +54,7 @@ static u16 r2057_rev5_init[44][2] = {
{ 0x1AC, 0x00 }, { 0x1B7, 0x0c }, { 0x1C1, 0x01 }, { 0x1C2, 0x80 },
};
static u16 r2057_rev5a_init[45][2] = {
static u16 r2057_rev5a_init[][2] = {
{ 0x00, 0x15 }, { 0x01, 0x57 }, { 0x02, 0x20 }, { 0x23, 0x6 },
{ 0x31, 0x00 }, { 0x32, 0x00 }, { 0x33, 0x00 }, { 0x51, 0x70 },
{ 0x59, 0x88 }, { 0x5C, 0x20 }, { 0x62, 0x33 }, { 0x63, 0x0f },
......@@ -69,7 +69,7 @@ static u16 r2057_rev5a_init[45][2] = {
{ 0x1C2, 0x80 },
};
static u16 r2057_rev7_init[54][2] = {
static u16 r2057_rev7_init[][2] = {
{ 0x00, 0x00 }, { 0x01, 0x57 }, { 0x02, 0x20 }, { 0x31, 0x00 },
{ 0x32, 0x00 }, { 0x33, 0x00 }, { 0x51, 0x70 }, { 0x59, 0x88 },
{ 0x5C, 0x20 }, { 0x62, 0x33 }, { 0x63, 0x0f }, { 0x64, 0x13 },
......@@ -86,7 +86,7 @@ static u16 r2057_rev7_init[54][2] = {
{ 0x1B7, 0x05 }, { 0x1C2, 0xa0 },
};
static u16 r2057_rev8_init[54][2] = {
static u16 r2057_rev8_init[][2] = {
{ 0x00, 0x08 }, { 0x01, 0x57 }, { 0x02, 0x20 }, { 0x31, 0x00 },
{ 0x32, 0x00 }, { 0x33, 0x00 }, { 0x51, 0x70 }, { 0x59, 0x88 },
{ 0x5C, 0x20 }, { 0x62, 0x33 }, { 0x63, 0x0f }, { 0x64, 0x0f },
......@@ -130,12 +130,10 @@ void r2057_upload_inittabs(struct b43_wldev *dev)
}
}
B43_WARN_ON(!table);
if (table) {
for (i = 0; i < 10; i++) {
pr_info("radio_write 0x%X ", *table);
table++;
pr_info("0x%X\n", *table);
table++;
}
for (i = 0; i < size; i++, table += 2)
b43_radio_write(dev, table[0], table[1]);
}
}
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