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[PATCH] zd1211rw: Add AL2230S RF support

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ZD1211 appears to be back in production: a number of new devices have
been appearing! Some of them are using new radios.

This patch adds support for the next generation AL2230 RF chip which has
been spotted in a few new devices.

Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Daniel Drake 2007-03-11 19:54:28 +00:00 committed by Jeff Garzik
parent 832855dc5a
commit f2a81a161d
4 changed files with 78 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/net/wireless/zd1211rw/zd_chip.c
View file

@ -67,11 +67,12 @@ static int scnprint_id(struct zd_chip *chip, char *buffer, size_t size)
i += scnprint_mac_oui(chip->e2p_mac, buffer+i, size-i);
i += scnprintf(buffer+i, size-i, " ");
i += zd_rf_scnprint_id(&chip->rf, buffer+i, size-i);
i += scnprintf(buffer+i, size-i, " pa%1x %c%c%c%c", chip->pa_type,
i += scnprintf(buffer+i, size-i, " pa%1x %c%c%c%c%c", chip->pa_type,
chip->patch_cck_gain ? 'g' : '-',
chip->patch_cr157 ? '7' : '-',
chip->patch_6m_band_edge ? '6' : '-',
chip->new_phy_layout ? 'N' : '-');
chip->new_phy_layout ? 'N' : '-',
chip->al2230s_bit ? 'S' : '-');
return i;
}

2
drivers/net/wireless/zd1211rw/zd_rf.c
View file

@ -34,7 +34,7 @@ static const char *rfs[] = {
[AL2210_RF] = "AL2210_RF",
[MAXIM_NEW_RF] = "MAXIM_NEW_RF",
[UW2453_RF] = "UW2453_RF",
[AL2230S_RF] = "AL2230S_RF",
[UNKNOWN_A_RF] = "UNKNOWN_A_RF",
[RALINK_RF] = "RALINK_RF",
[INTERSIL_RF] = "INTERSIL_RF",
[RF2959_RF] = "RF2959_RF",

2
drivers/net/wireless/zd1211rw/zd_rf.h
View file

@ -26,7 +26,7 @@
#define AL2210_RF 0x7
#define MAXIM_NEW_RF 0x8
#define UW2453_RF 0x9
#define AL2230S_RF 0xa
#define UNKNOWN_A_RF 0xa
#define RALINK_RF 0xb
#define INTERSIL_RF 0xc
#define RF2959_RF 0xd

89
drivers/net/wireless/zd1211rw/zd_rf_al2230.c
View file

@ -59,6 +59,18 @@ static const struct zd_ioreq16 zd1211b_ioreqs_shared_1[] = {
{ CR240, 0x57 }, { CR9, 0xe0 },
};
static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
{ CR47, 0x1e }, /* MARK_002 */
{ CR106, 0x22 },
{ CR107, 0x2a }, /* MARK_002 */
{ CR109, 0x13 }, /* MARK_002 */
{ CR118, 0xf8 }, /* MARK_002 */
{ CR119, 0x12 }, { CR122, 0xe0 },
{ CR128, 0x10 }, /* MARK_001 from 0xe->0x10 */
{ CR129, 0x0e }, /* MARK_001 from 0xd->0x0e */
{ CR130, 0x10 }, /* MARK_001 from 0xb->0x0d */
};
static int zd1211b_al2230_finalize_rf(struct zd_chip *chip)
{
int r;
@ -90,7 +102,7 @@ static int zd1211_al2230_init_hw(struct zd_rf *rf)
int r;
struct zd_chip *chip = zd_rf_to_chip(rf);
static const struct zd_ioreq16 ioreqs[] = {
static const struct zd_ioreq16 ioreqs_init[] = {
{ CR15, 0x20 }, { CR23, 0x40 }, { CR24, 0x20 },
{ CR26, 0x11 }, { CR28, 0x3e }, { CR29, 0x00 },
{ CR44, 0x33 }, { CR106, 0x2a }, { CR107, 0x1a },
@ -117,10 +129,9 @@ static int zd1211_al2230_init_hw(struct zd_rf *rf)
{ CR119, 0x10 }, { CR120, 0x4f }, { CR121, 0x77 },
{ CR122, 0xe0 }, { CR137, 0x88 }, { CR252, 0xff },
{ CR253, 0xff },
};
/* These following happen separately in the vendor driver */
{ },
static const struct zd_ioreq16 ioreqs_pll[] = {
/* shdnb(PLL_ON)=0 */
{ CR251, 0x2f },
/* shdnb(PLL_ON)=1 */
@ -128,7 +139,7 @@ static int zd1211_al2230_init_hw(struct zd_rf *rf)
{ CR138, 0x28 }, { CR203, 0x06 },
};
static const u32 rv[] = {
static const u32 rv1[] = {
/* Channel 1 */
0x03f790,
0x033331,
@ -137,6 +148,9 @@ static int zd1211_al2230_init_hw(struct zd_rf *rf)
0x0b3331,
0x03b812,
0x00fff3,
};
static const u32 rv2[] = {
0x000da4,
0x0f4dc5, /* fix freq shift, 0x04edc5 */
0x0805b6,
@ -148,8 +162,9 @@ static int zd1211_al2230_init_hw(struct zd_rf *rf)
0x0bdffc,
0x00000d,
0x00500f,
};
/* These writes happen separately in the vendor driver */
static const u32 rv3[] = {
0x00d00f,
0x004c0f,
0x00540f,
@ -157,11 +172,38 @@ static int zd1211_al2230_init_hw(struct zd_rf *rf)
0x00500f,
};
r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
r = zd_iowrite16a_locked(chip, ioreqs_init, ARRAY_SIZE(ioreqs_init));
if (r)
return r;
r = zd_rfwritev_locked(chip, rv, ARRAY_SIZE(rv), RF_RV_BITS);
if (chip->al2230s_bit) {
r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
ARRAY_SIZE(ioreqs_init_al2230s));
if (r)
return r;
}
r = zd_rfwritev_locked(chip, rv1, ARRAY_SIZE(rv1), RF_RV_BITS);
if (r)
return r;
/* improve band edge for AL2230S */
if (chip->al2230s_bit)
r = zd_rfwrite_locked(chip, 0x000824, RF_RV_BITS);
else
r = zd_rfwrite_locked(chip, 0x0005a4, RF_RV_BITS);
if (r)
return r;
r = zd_rfwritev_locked(chip, rv2, ARRAY_SIZE(rv2), RF_RV_BITS);
if (r)
return r;
r = zd_iowrite16a_locked(chip, ioreqs_pll, ARRAY_SIZE(ioreqs_pll));
if (r)
return r;
r = zd_rfwritev_locked(chip, rv3, ARRAY_SIZE(rv3), RF_RV_BITS);
if (r)
return r;
@ -227,7 +269,9 @@ static int zd1211b_al2230_init_hw(struct zd_rf *rf)
0x481dc0,
0xcfff00,
0x25a000,
};
static const u32 rv2[] = {
/* To improve AL2230 yield, improve phase noise, 4713 */
0x25a000,
0xa3b2f0,
@ -250,7 +294,7 @@ static int zd1211b_al2230_init_hw(struct zd_rf *rf)
{ CR251, 0x7f }, /* shdnb(PLL_ON)=1 */
};
static const u32 rv2[] = {
static const u32 rv3[] = {
/* To improve AL2230 yield, 4713 */
0xf01b00,
0xf01e00,
@ -269,16 +313,35 @@ static int zd1211b_al2230_init_hw(struct zd_rf *rf)
r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
if (r)
return r;
if (chip->al2230s_bit) {
r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
ARRAY_SIZE(ioreqs_init_al2230s));
if (r)
return r;
}
r = zd_rfwritev_cr_locked(chip, zd1211b_al2230_table[0], 3);
if (r)
return r;
r = zd_rfwritev_cr_locked(chip, rv1, ARRAY_SIZE(rv1));
if (r)
return r;
if (chip->al2230s_bit)
r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
else
r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
if (r)
return r;
r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
if (r)
return r;
r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
if (r)
return r;
r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
r = zd_rfwritev_cr_locked(chip, rv3, ARRAY_SIZE(rv3));
if (r)
return r;
r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
@ -358,12 +421,6 @@ int zd_rf_init_al2230(struct zd_rf *rf)
{
struct zd_chip *chip = zd_rf_to_chip(rf);
if (chip->al2230s_bit) {
dev_err(zd_chip_dev(chip), "AL2230S devices are not yet "
"supported by this driver.\n");
return -ENODEV;
}
rf->switch_radio_off = al2230_switch_radio_off;
if (chip->is_zd1211b) {
rf->init_hw = zd1211b_al2230_init_hw;