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path: root/drivers/net/wireless/ath/ath9k/eeprom_def.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/eeprom_def.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/eeprom_def.c183
1 files changed, 140 insertions, 43 deletions
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 4071fc91da0a..404a0341242c 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -14,7 +14,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include "ath9k.h"
+#include "hw.h"
static void ath9k_get_txgain_index(struct ath_hw *ah,
struct ath9k_channel *chan,
@@ -89,14 +89,15 @@ static int ath9k_hw_def_get_eeprom_rev(struct ath_hw *ah)
static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
{
#define SIZE_EEPROM_DEF (sizeof(struct ar5416_eeprom_def) / sizeof(u16))
+ struct ath_common *common = ath9k_hw_common(ah);
u16 *eep_data = (u16 *)&ah->eeprom.def;
int addr, ar5416_eep_start_loc = 0x100;
for (addr = 0; addr < SIZE_EEPROM_DEF; addr++) {
- if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
+ if (!ath9k_hw_nvram_read(common, addr + ar5416_eep_start_loc,
eep_data)) {
- DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
- "Unable to read eeprom region\n");
+ ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+ "Unable to read eeprom region\n");
return false;
}
eep_data++;
@@ -109,19 +110,20 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
{
struct ar5416_eeprom_def *eep =
(struct ar5416_eeprom_def *) &ah->eeprom.def;
+ struct ath_common *common = ath9k_hw_common(ah);
u16 *eepdata, temp, magic, magic2;
u32 sum = 0, el;
bool need_swap = false;
int i, addr, size;
- if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
- DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Reading Magic # failed\n");
+ if (!ath9k_hw_nvram_read(common, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
+ ath_print(common, ATH_DBG_FATAL, "Reading Magic # failed\n");
return false;
}
if (!ath9k_hw_use_flash(ah)) {
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "Read Magic = 0x%04X\n", magic);
+ ath_print(common, ATH_DBG_EEPROM,
+ "Read Magic = 0x%04X\n", magic);
if (magic != AR5416_EEPROM_MAGIC) {
magic2 = swab16(magic);
@@ -137,16 +139,16 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
eepdata++;
}
} else {
- DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
- "Invalid EEPROM Magic. "
- "Endianness mismatch.\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Invalid EEPROM Magic. "
+ "Endianness mismatch.\n");
return -EINVAL;
}
}
}
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "need_swap = %s.\n",
- need_swap ? "True" : "False");
+ ath_print(common, ATH_DBG_EEPROM, "need_swap = %s.\n",
+ need_swap ? "True" : "False");
if (need_swap)
el = swab16(ah->eeprom.def.baseEepHeader.length);
@@ -167,8 +169,8 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
u32 integer, j;
u16 word;
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "EEPROM Endianness is not native.. Changing.\n");
+ ath_print(common, ATH_DBG_EEPROM,
+ "EEPROM Endianness is not native.. Changing.\n");
word = swab16(eep->baseEepHeader.length);
eep->baseEepHeader.length = word;
@@ -214,8 +216,8 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
- DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
- "Bad EEPROM checksum 0x%x or revision 0x%04x\n",
+ ath_print(common, ATH_DBG_FATAL,
+ "Bad EEPROM checksum 0x%x or revision 0x%04x\n",
sum, ah->eep_ops->get_eeprom_ver(ah));
return -EINVAL;
}
@@ -289,6 +291,11 @@ static u32 ath9k_hw_def_get_eeprom(struct ath_hw *ah,
return pBase->frac_n_5g;
else
return 0;
+ case EEP_PWR_TABLE_OFFSET:
+ if (AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_21)
+ return pBase->pwr_table_offset;
+ else
+ return AR5416_PWR_TABLE_OFFSET_DB;
default:
return 0;
}
@@ -739,6 +746,76 @@ static void ath9k_hw_get_def_gain_boundaries_pdadcs(struct ath_hw *ah,
return;
}
+static int16_t ath9k_change_gain_boundary_setting(struct ath_hw *ah,
+ u16 *gb,
+ u16 numXpdGain,
+ u16 pdGainOverlap_t2,
+ int8_t pwr_table_offset,
+ int16_t *diff)
+
+{
+ u16 k;
+
+ /* Prior to writing the boundaries or the pdadc vs. power table
+ * into the chip registers the default starting point on the pdadc
+ * vs. power table needs to be checked and the curve boundaries
+ * adjusted accordingly
+ */
+ if (AR_SREV_9280_20_OR_LATER(ah)) {
+ u16 gb_limit;
+
+ if (AR5416_PWR_TABLE_OFFSET_DB != pwr_table_offset) {
+ /* get the difference in dB */
+ *diff = (u16)(pwr_table_offset - AR5416_PWR_TABLE_OFFSET_DB);
+ /* get the number of half dB steps */
+ *diff *= 2;
+ /* change the original gain boundary settings
+ * by the number of half dB steps
+ */
+ for (k = 0; k < numXpdGain; k++)
+ gb[k] = (u16)(gb[k] - *diff);
+ }
+ /* Because of a hardware limitation, ensure the gain boundary
+ * is not larger than (63 - overlap)
+ */
+ gb_limit = (u16)(AR5416_MAX_RATE_POWER - pdGainOverlap_t2);
+
+ for (k = 0; k < numXpdGain; k++)
+ gb[k] = (u16)min(gb_limit, gb[k]);
+ }
+
+ return *diff;
+}
+
+static void ath9k_adjust_pdadc_values(struct ath_hw *ah,
+ int8_t pwr_table_offset,
+ int16_t diff,
+ u8 *pdadcValues)
+{
+#define NUM_PDADC(diff) (AR5416_NUM_PDADC_VALUES - diff)
+ u16 k;
+
+ /* If this is a board that has a pwrTableOffset that differs from
+ * the default AR5416_PWR_TABLE_OFFSET_DB then the start of the
+ * pdadc vs pwr table needs to be adjusted prior to writing to the
+ * chip.
+ */
+ if (AR_SREV_9280_20_OR_LATER(ah)) {
+ if (AR5416_PWR_TABLE_OFFSET_DB != pwr_table_offset) {
+ /* shift the table to start at the new offset */
+ for (k = 0; k < (u16)NUM_PDADC(diff); k++ ) {
+ pdadcValues[k] = pdadcValues[k + diff];
+ }
+
+ /* fill the back of the table */
+ for (k = (u16)NUM_PDADC(diff); k < NUM_PDADC(0); k++) {
+ pdadcValues[k] = pdadcValues[NUM_PDADC(diff)];
+ }
+ }
+ }
+#undef NUM_PDADC
+}
+
static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
struct ath9k_channel *chan,
int16_t *pTxPowerIndexOffset)
@@ -746,7 +823,7 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
#define SM_PD_GAIN(x) SM(0x38, AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##x)
#define SM_PDGAIN_B(x, y) \
SM((gainBoundaries[x]), AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##y)
-
+ struct ath_common *common = ath9k_hw_common(ah);
struct ar5416_eeprom_def *pEepData = &ah->eeprom.def;
struct cal_data_per_freq *pRawDataset;
u8 *pCalBChans = NULL;
@@ -754,15 +831,18 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
static u8 pdadcValues[AR5416_NUM_PDADC_VALUES];
u16 gainBoundaries[AR5416_PD_GAINS_IN_MASK];
u16 numPiers, i, j;
- int16_t tMinCalPower;
+ int16_t tMinCalPower, diff = 0;
u16 numXpdGain, xpdMask;
u16 xpdGainValues[AR5416_NUM_PD_GAINS] = { 0, 0, 0, 0 };
u32 reg32, regOffset, regChainOffset;
int16_t modalIdx;
+ int8_t pwr_table_offset;
modalIdx = IS_CHAN_2GHZ(chan) ? 1 : 0;
xpdMask = pEepData->modalHeader[modalIdx].xpdGain;
+ pwr_table_offset = ah->eep_ops->get_eeprom(ah, EEP_PWR_TABLE_OFFSET);
+
if ((pEepData->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
AR5416_EEP_MINOR_VER_2) {
pdGainOverlap_t2 =
@@ -842,6 +922,13 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
numXpdGain);
}
+ diff = ath9k_change_gain_boundary_setting(ah,
+ gainBoundaries,
+ numXpdGain,
+ pdGainOverlap_t2,
+ pwr_table_offset,
+ &diff);
+
if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
if (OLC_FOR_AR9280_20_LATER) {
REG_WRITE(ah,
@@ -862,6 +949,10 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
}
}
+
+ ath9k_adjust_pdadc_values(ah, pwr_table_offset,
+ diff, pdadcValues);
+
regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset;
for (j = 0; j < 32; j++) {
reg32 = ((pdadcValues[4 * j + 0] & 0xFF) << 0) |
@@ -870,20 +961,20 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
((pdadcValues[4 * j + 3] & 0xFF) << 24);
REG_WRITE(ah, regOffset, reg32);
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "PDADC (%d,%4x): %4.4x %8.8x\n",
- i, regChainOffset, regOffset,
- reg32);
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "PDADC: Chain %d | PDADC %3d "
- "Value %3d | PDADC %3d Value %3d | "
- "PDADC %3d Value %3d | PDADC %3d "
- "Value %3d |\n",
- i, 4 * j, pdadcValues[4 * j],
- 4 * j + 1, pdadcValues[4 * j + 1],
- 4 * j + 2, pdadcValues[4 * j + 2],
- 4 * j + 3,
- pdadcValues[4 * j + 3]);
+ ath_print(common, ATH_DBG_EEPROM,
+ "PDADC (%d,%4x): %4.4x %8.8x\n",
+ i, regChainOffset, regOffset,
+ reg32);
+ ath_print(common, ATH_DBG_EEPROM,
+ "PDADC: Chain %d | PDADC %3d "
+ "Value %3d | PDADC %3d Value %3d | "
+ "PDADC %3d Value %3d | PDADC %3d "
+ "Value %3d |\n",
+ i, 4 * j, pdadcValues[4 * j],
+ 4 * j + 1, pdadcValues[4 * j + 1],
+ 4 * j + 2, pdadcValues[4 * j + 2],
+ 4 * j + 3,
+ pdadcValues[4 * j + 3]);
regOffset += 4;
}
@@ -1197,8 +1288,13 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
}
if (AR_SREV_9280_10_OR_LATER(ah)) {
- for (i = 0; i < Ar5416RateSize; i++)
- ratesArray[i] -= AR5416_PWR_TABLE_OFFSET * 2;
+ for (i = 0; i < Ar5416RateSize; i++) {
+ int8_t pwr_table_offset;
+
+ pwr_table_offset = ah->eep_ops->get_eeprom(ah,
+ EEP_PWR_TABLE_OFFSET);
+ ratesArray[i] -= pwr_table_offset * 2;
+ }
}
REG_WRITE(ah, AR_PHY_POWER_TX_RATE1,
@@ -1297,7 +1393,7 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
if (AR_SREV_9280_10_OR_LATER(ah))
regulatory->max_power_level =
- ratesArray[i] + AR5416_PWR_TABLE_OFFSET * 2;
+ ratesArray[i] + AR5416_PWR_TABLE_OFFSET_DB * 2;
else
regulatory->max_power_level = ratesArray[i];
@@ -1311,8 +1407,8 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
regulatory->max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
break;
default:
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "Invalid chainmask configuration\n");
+ ath_print(ath9k_hw_common(ah), ATH_DBG_EEPROM,
+ "Invalid chainmask configuration\n");
break;
}
}
@@ -1349,20 +1445,21 @@ static u16 ath9k_hw_def_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz)
{
#define EEP_DEF_SPURCHAN \
(ah->eeprom.def.modalHeader[is2GHz].spurChans[i].spurChan)
+ struct ath_common *common = ath9k_hw_common(ah);
u16 spur_val = AR_NO_SPUR;
- DPRINTF(ah->ah_sc, ATH_DBG_ANI,
- "Getting spur idx %d is2Ghz. %d val %x\n",
- i, is2GHz, ah->config.spurchans[i][is2GHz]);
+ ath_print(common, ATH_DBG_ANI,
+ "Getting spur idx %d is2Ghz. %d val %x\n",
+ i, is2GHz, ah->config.spurchans[i][is2GHz]);
switch (ah->config.spurmode) {
case SPUR_DISABLE:
break;
case SPUR_ENABLE_IOCTL:
spur_val = ah->config.spurchans[i][is2GHz];
- DPRINTF(ah->ah_sc, ATH_DBG_ANI,
- "Getting spur val from new loc. %d\n", spur_val);
+ ath_print(common, ATH_DBG_ANI,
+ "Getting spur val from new loc. %d\n", spur_val);
break;
case SPUR_ENABLE_EEPROM:
spur_val = EEP_DEF_SPURCHAN;