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Diffstat (limited to 'sys/dev/ath/ath_hal/ah_eeprom_9287.c')
-rw-r--r--sys/dev/ath/ath_hal/ah_eeprom_9287.c407
1 files changed, 407 insertions, 0 deletions
diff --git a/sys/dev/ath/ath_hal/ah_eeprom_9287.c b/sys/dev/ath/ath_hal/ah_eeprom_9287.c
new file mode 100644
index 000000000000..c8af0bf51f47
--- /dev/null
+++ b/sys/dev/ath/ath_hal/ah_eeprom_9287.c
@@ -0,0 +1,407 @@
+/*-
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2008 Sam Leffler, Errno Consulting
+ * Copyright (c) 2010 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include "opt_ah.h"
+
+#include "ah.h"
+#include "ah_internal.h"
+#include "ah_eeprom_v14.h"
+#include "ah_eeprom_9287.h"
+
+static HAL_STATUS
+v9287EepromGet(struct ath_hal *ah, int param, void *val)
+{
+#define CHAN_A_IDX 0
+#define CHAN_B_IDX 1
+#define IS_VERS(op, v) ((pBase->version & AR5416_EEP_VER_MINOR_MASK) op (v))
+ HAL_EEPROM_9287 *ee = AH_PRIVATE(ah)->ah_eeprom;
+ const MODAL_EEP_9287_HEADER *pModal = &ee->ee_base.modalHeader;
+ const BASE_EEP_9287_HEADER *pBase = &ee->ee_base.baseEepHeader;
+ uint32_t sum;
+ uint8_t *macaddr;
+ int i;
+
+ switch (param) {
+ case AR_EEP_NFTHRESH_2:
+ *(int16_t *)val = pModal->noiseFloorThreshCh[0];
+ return HAL_OK;
+ case AR_EEP_MACADDR: /* Get MAC Address */
+ sum = 0;
+ macaddr = val;
+ for (i = 0; i < 6; i++) {
+ macaddr[i] = pBase->macAddr[i];
+ sum += pBase->macAddr[i];
+ }
+ if (sum == 0 || sum == 0xffff*3) {
+ HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad mac address %s\n",
+ __func__, ath_hal_ether_sprintf(macaddr));
+ return HAL_EEBADMAC;
+ }
+ return HAL_OK;
+ case AR_EEP_REGDMN_0:
+ return pBase->regDmn[0];
+ case AR_EEP_REGDMN_1:
+ return pBase->regDmn[1];
+ case AR_EEP_OPCAP:
+ return pBase->deviceCap;
+ case AR_EEP_OPMODE:
+ return pBase->opCapFlags;
+ case AR_EEP_RFSILENT:
+ return pBase->rfSilent;
+ case AR_EEP_TXMASK:
+ return pBase->txMask;
+ case AR_EEP_RXMASK:
+ return pBase->rxMask;
+ case AR_EEP_OL_PWRCTRL:
+ HALASSERT(val == AH_NULL);
+ return pBase->openLoopPwrCntl ? HAL_OK : HAL_EIO;
+ case AR_EEP_AMODE:
+ return HAL_EIO; /* no 5GHz for Kiwi */
+ case AR_EEP_BMODE:
+ case AR_EEP_GMODE:
+ HALASSERT(val == AH_NULL);
+ return pBase->opCapFlags & AR5416_OPFLAGS_11G ?
+ HAL_OK : HAL_EIO;
+ case AR_EEP_32KHZCRYSTAL:
+ case AR_EEP_COMPRESS:
+ case AR_EEP_FASTFRAME: /* XXX policy decision, h/w can do it */
+ case AR_EEP_WRITEPROTECT: /* NB: no write protect bit */
+ HALASSERT(val == AH_NULL);
+ /* fall thru... */
+ case AR_EEP_MAXQCU: /* NB: not in opCapFlags */
+ case AR_EEP_KCENTRIES: /* NB: not in opCapFlags */
+ return HAL_EIO;
+ case AR_EEP_AES:
+ case AR_EEP_BURST:
+ case AR_EEP_RFKILL:
+ case AR_EEP_TURBO5DISABLE:
+ case AR_EEP_TURBO2DISABLE:
+ HALASSERT(val == AH_NULL);
+ return HAL_OK;
+ case AR_EEP_ANTGAINMAX_2:
+ *(int8_t *) val = ee->ee_antennaGainMax[1];
+ return HAL_OK;
+ case AR_EEP_PWR_TABLE_OFFSET:
+ *(int8_t *) val = pBase->pwrTableOffset;
+ return HAL_OK;
+ case AR_EEP_TEMPSENSE_SLOPE:
+ if (IS_VERS(>=, AR9287_EEP_MINOR_VER_2))
+ *(int8_t *)val = pBase->tempSensSlope;
+ else
+ *(int8_t *)val = 0;
+ return HAL_OK;
+ case AR_EEP_TEMPSENSE_SLOPE_PAL_ON:
+ if (IS_VERS(>=, AR9287_EEP_MINOR_VER_3))
+ *(int8_t *)val = pBase->tempSensSlopePalOn;
+ else
+ *(int8_t *)val = 0;
+ return HAL_OK;
+ default:
+ HALASSERT(0);
+ return HAL_EINVAL;
+ }
+#undef IS_VERS
+#undef CHAN_A_IDX
+#undef CHAN_B_IDX
+}
+
+static HAL_STATUS
+v9287EepromSet(struct ath_hal *ah, int param, int v)
+{
+ HAL_EEPROM_9287 *ee = AH_PRIVATE(ah)->ah_eeprom;
+
+ switch (param) {
+ case AR_EEP_ANTGAINMAX_2:
+ ee->ee_antennaGainMax[1] = (int8_t) v;
+ return HAL_OK;
+ default:
+ return HAL_EINVAL;
+ }
+}
+
+static HAL_BOOL
+v9287EepromDiag(struct ath_hal *ah, int request,
+ const void *args, uint32_t argsize, void **result, uint32_t *resultsize)
+{
+ HAL_EEPROM_9287 *ee = AH_PRIVATE(ah)->ah_eeprom;
+
+ switch (request) {
+ case HAL_DIAG_EEPROM:
+ *result = ee;
+ *resultsize = sizeof(HAL_EEPROM_9287);
+ return AH_TRUE;
+ }
+ return AH_FALSE;
+}
+
+/* Do structure specific swaps if Eeprom format is non native to host */
+static void
+eepromSwap(HAL_EEPROM_9287 *ee)
+{
+ uint32_t integer, i;
+ uint16_t word;
+ MODAL_EEP_9287_HEADER *pModal;
+
+ /* convert Base Eep header */
+ word = __bswap16(ee->ee_base.baseEepHeader.length);
+ ee->ee_base.baseEepHeader.length = word;
+
+ word = __bswap16(ee->ee_base.baseEepHeader.checksum);
+ ee->ee_base.baseEepHeader.checksum = word;
+
+ word = __bswap16(ee->ee_base.baseEepHeader.version);
+ ee->ee_base.baseEepHeader.version = word;
+
+ word = __bswap16(ee->ee_base.baseEepHeader.regDmn[0]);
+ ee->ee_base.baseEepHeader.regDmn[0] = word;
+
+ word = __bswap16(ee->ee_base.baseEepHeader.regDmn[1]);
+ ee->ee_base.baseEepHeader.regDmn[1] = word;
+
+ word = __bswap16(ee->ee_base.baseEepHeader.rfSilent);
+ ee->ee_base.baseEepHeader.rfSilent = word;
+
+ word = __bswap16(ee->ee_base.baseEepHeader.blueToothOptions);
+ ee->ee_base.baseEepHeader.blueToothOptions = word;
+
+ word = __bswap16(ee->ee_base.baseEepHeader.deviceCap);
+ ee->ee_base.baseEepHeader.deviceCap = word;
+
+ /* convert Modal Eep header */
+
+ /* only 2.4ghz here; so only one modal header entry */
+ pModal = &ee->ee_base.modalHeader;
+
+ /* XXX linux/ah_osdep.h only defines __bswap32 for BE */
+ integer = __bswap32(pModal->antCtrlCommon);
+ pModal->antCtrlCommon = integer;
+
+ for (i = 0; i < AR9287_MAX_CHAINS; i++) {
+ integer = __bswap32(pModal->antCtrlChain[i]);
+ pModal->antCtrlChain[i] = integer;
+ }
+ for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
+ word = __bswap16(pModal->spurChans[i].spurChan);
+ pModal->spurChans[i].spurChan = word;
+ }
+}
+
+static uint16_t
+v9287EepromGetSpurChan(struct ath_hal *ah, int ix, HAL_BOOL is2GHz)
+{
+ HAL_EEPROM_9287 *ee = AH_PRIVATE(ah)->ah_eeprom;
+
+ HALASSERT(is2GHz == AH_TRUE);
+ if (is2GHz != AH_TRUE)
+ return 0; /* XXX ? */
+
+ HALASSERT(0 <= ix && ix < AR5416_EEPROM_MODAL_SPURS);
+ return ee->ee_base.modalHeader.spurChans[ix].spurChan;
+}
+
+/**************************************************************************
+ * fbin2freq
+ *
+ * Get channel value from binary representation held in eeprom
+ * RETURNS: the frequency in MHz
+ */
+static uint16_t
+fbin2freq(uint8_t fbin, HAL_BOOL is2GHz)
+{
+ /*
+ * Reserved value 0xFF provides an empty definition both as
+ * an fbin and as a frequency - do not convert
+ */
+ if (fbin == AR5416_BCHAN_UNUSED)
+ return fbin;
+ return (uint16_t)((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
+}
+
+/*
+ * Copy EEPROM Conformance Testing Limits contents
+ * into the allocated space
+ */
+/* USE CTLS from chain zero */
+#define CTL_CHAIN 0
+
+static void
+v9287EepromReadCTLInfo(struct ath_hal *ah, HAL_EEPROM_9287 *ee)
+{
+ RD_EDGES_POWER *rep = ee->ee_rdEdgesPower;
+ int i, j;
+
+ HALASSERT(AR9287_NUM_CTLS <= sizeof(ee->ee_rdEdgesPower)/NUM_EDGES);
+
+ for (i = 0; ee->ee_base.ctlIndex[i] != 0 && i < AR9287_NUM_CTLS; i++) {
+ for (j = 0; j < NUM_EDGES; j ++) {
+ /* XXX Confirm this is the right thing to do when an invalid channel is stored */
+ if (ee->ee_base.ctlData[i].ctlEdges[CTL_CHAIN][j].bChannel == AR5416_BCHAN_UNUSED) {
+ rep[j].rdEdge = 0;
+ rep[j].twice_rdEdgePower = 0;
+ rep[j].flag = 0;
+ } else {
+ rep[j].rdEdge = fbin2freq(
+ ee->ee_base.ctlData[i].ctlEdges[CTL_CHAIN][j].bChannel,
+ (ee->ee_base.ctlIndex[i] & CTL_MODE_M) != CTL_11A);
+ rep[j].twice_rdEdgePower = MS(ee->ee_base.ctlData[i].ctlEdges[CTL_CHAIN][j].tPowerFlag, CAL_CTL_EDGES_POWER);
+ rep[j].flag = MS(ee->ee_base.ctlData[i].ctlEdges[CTL_CHAIN][j].tPowerFlag, CAL_CTL_EDGES_FLAG) != 0;
+ }
+ }
+ rep += NUM_EDGES;
+ }
+ ee->ee_numCtls = i;
+ HALDEBUG(ah, HAL_DEBUG_ATTACH | HAL_DEBUG_EEPROM,
+ "%s Numctls = %u\n",__func__,i);
+}
+
+/*
+ * Reclaim any EEPROM-related storage.
+ */
+static void
+v9287EepromDetach(struct ath_hal *ah)
+{
+ HAL_EEPROM_9287 *ee = AH_PRIVATE(ah)->ah_eeprom;
+
+ ath_hal_free(ee);
+ AH_PRIVATE(ah)->ah_eeprom = AH_NULL;
+}
+
+#define owl_get_eep_ver(_ee) \
+ (((_ee)->ee_base.baseEepHeader.version >> 12) & 0xF)
+#define owl_get_eep_rev(_ee) \
+ (((_ee)->ee_base.baseEepHeader.version) & 0xFFF)
+
+HAL_STATUS
+ath_hal_9287EepromAttach(struct ath_hal *ah)
+{
+#define NW(a) (sizeof(a) / sizeof(uint16_t))
+ HAL_EEPROM_9287 *ee = AH_PRIVATE(ah)->ah_eeprom;
+ uint16_t *eep_data, magic;
+ HAL_BOOL need_swap;
+ u_int w, off, len;
+ uint32_t sum;
+
+ HALASSERT(ee == AH_NULL);
+
+ /*
+ * Don't check magic if we're supplied with an EEPROM block,
+ * typically this is from Howl but it may also be from later
+ * boards w/ an embedded WMAC.
+ */
+ if (ah->ah_eepromdata == NULL) {
+ if (!ath_hal_eepromRead(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
+ HALDEBUG(ah, HAL_DEBUG_ANY,
+ "%s Error reading Eeprom MAGIC\n", __func__);
+ return HAL_EEREAD;
+ }
+ HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s Eeprom Magic = 0x%x\n",
+ __func__, magic);
+ if (magic != AR5416_EEPROM_MAGIC) {
+ HALDEBUG(ah, HAL_DEBUG_ANY, "Bad magic number\n");
+ return HAL_EEMAGIC;
+ }
+ }
+
+ ee = ath_hal_malloc(sizeof(HAL_EEPROM_9287));
+ if (ee == AH_NULL) {
+ /* XXX message */
+ return HAL_ENOMEM;
+ }
+
+ eep_data = (uint16_t *) ee;
+ for (w = 0; w < NW(struct ar9287_eeprom); w++) {
+ off = AR9287_EEP_START_LOC + w;
+ if (!ath_hal_eepromRead(ah, off, &eep_data[w])) {
+ HALDEBUG(ah, HAL_DEBUG_ANY,
+ "%s eeprom read error at offset 0x%x\n",
+ __func__, off);
+ return HAL_EEREAD;
+ }
+ }
+ /* Convert to eeprom native eeprom endian format */
+ /*
+ * XXX this is likely incorrect but will do for now
+ * XXX to get embedded boards working.
+ */
+ if (ah->ah_eepromdata == NULL && isBigEndian()) {
+ for (w = 0; w < NW(HAL_EEPROM_9287); w++)
+ eep_data[w] = __bswap16(eep_data[w]);
+ }
+
+ /*
+ * At this point, we're in the native eeprom endian format
+ * Now, determine the eeprom endian by looking at byte 26??
+ */
+ need_swap = ((ee->ee_base.baseEepHeader.eepMisc & AR5416_EEPMISC_BIG_ENDIAN) != 0) ^ isBigEndian();
+ if (need_swap) {
+ HALDEBUG(ah, HAL_DEBUG_ATTACH | HAL_DEBUG_EEPROM,
+ "Byte swap EEPROM contents.\n");
+ len = __bswap16(ee->ee_base.baseEepHeader.length);
+ } else {
+ len = ee->ee_base.baseEepHeader.length;
+ }
+ len = AH_MIN(len, sizeof(HAL_EEPROM_9287)) / sizeof(uint16_t);
+
+ /* Apply the checksum, done in native eeprom format */
+ /* XXX - Need to check to make sure checksum calculation is done
+ * in the correct endian format. Right now, it seems it would
+ * cast the raw data to host format and do the calculation, which may
+ * not be correct as the calculation may need to be done in the native
+ * eeprom format
+ */
+ sum = 0;
+ for (w = 0; w < len; w++)
+ sum ^= eep_data[w];
+ /* Check CRC - Attach should fail on a bad checksum */
+ if (sum != 0xffff) {
+ HALDEBUG(ah, HAL_DEBUG_ANY,
+ "Bad EEPROM checksum 0x%x (Len=%u)\n", sum, len);
+ return HAL_EEBADSUM;
+ }
+
+ if (need_swap)
+ eepromSwap(ee); /* byte swap multi-byte data */
+
+ /* swap words 0+2 so version is at the front */
+ magic = eep_data[0];
+ eep_data[0] = eep_data[2];
+ eep_data[2] = magic;
+
+ HALDEBUG(ah, HAL_DEBUG_ATTACH | HAL_DEBUG_EEPROM,
+ "%s Eeprom Version %u.%u\n", __func__,
+ owl_get_eep_ver(ee), owl_get_eep_rev(ee));
+
+ /* NB: must be after all byte swapping */
+ if (owl_get_eep_ver(ee) != AR5416_EEP_VER) {
+ HALDEBUG(ah, HAL_DEBUG_ANY,
+ "Bad EEPROM version 0x%x\n", owl_get_eep_ver(ee));
+ return HAL_EEBADSUM;
+ }
+
+ v9287EepromReadCTLInfo(ah, ee); /* Get CTLs */
+
+ AH_PRIVATE(ah)->ah_eeprom = ee;
+ AH_PRIVATE(ah)->ah_eeversion = ee->ee_base.baseEepHeader.version;
+ AH_PRIVATE(ah)->ah_eepromDetach = v9287EepromDetach;
+ AH_PRIVATE(ah)->ah_eepromGet = v9287EepromGet;
+ AH_PRIVATE(ah)->ah_eepromSet = v9287EepromSet;
+ AH_PRIVATE(ah)->ah_getSpurChan = v9287EepromGetSpurChan;
+ AH_PRIVATE(ah)->ah_eepromDiag = v9287EepromDiag;
+ return HAL_OK;
+#undef NW
+}
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