diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/srom.c')
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmsmac/srom.c | 980 |
1 files changed, 0 insertions, 980 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/srom.c b/drivers/net/wireless/brcm80211/brcmsmac/srom.c deleted file mode 100644 index b96f4b9d74b..00000000000 --- a/drivers/net/wireless/brcm80211/brcmsmac/srom.c +++ /dev/null @@ -1,980 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * 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 <linux/kernel.h> -#include <linux/string.h> -#include <linux/io.h> -#include <linux/etherdevice.h> -#include <linux/crc8.h> -#include <stdarg.h> - -#include <chipcommon.h> -#include <brcmu_utils.h> -#include "pub.h" -#include "nicpci.h" -#include "aiutils.h" -#include "otp.h" -#include "srom.h" -#include "soc.h" - -/* - * SROM CRC8 polynomial value: - * - * x^8 + x^7 +x^6 + x^4 + x^2 + 1 - */ -#define SROM_CRC8_POLY 0xAB - -/* Maximum srom: 6 Kilobits == 768 bytes */ -#define SROM_MAX 768 - -/* PCI fields */ -#define PCI_F0DEVID 48 - -#define SROM_WORDS 64 - -#define SROM_SSID 2 - -#define SROM_WL1LHMAXP 29 - -#define SROM_WL1LPAB0 30 -#define SROM_WL1LPAB1 31 -#define SROM_WL1LPAB2 32 - -#define SROM_WL1HPAB0 33 -#define SROM_WL1HPAB1 34 -#define SROM_WL1HPAB2 35 - -#define SROM_MACHI_IL0 36 -#define SROM_MACMID_IL0 37 -#define SROM_MACLO_IL0 38 -#define SROM_MACHI_ET1 42 -#define SROM_MACMID_ET1 43 -#define SROM_MACLO_ET1 44 - -#define SROM_BXARSSI2G 40 -#define SROM_BXARSSI5G 41 - -#define SROM_TRI52G 42 -#define SROM_TRI5GHL 43 - -#define SROM_RXPO52G 45 - -#define SROM_AABREV 46 -/* Fields in AABREV */ -#define SROM_BR_MASK 0x00ff -#define SROM_CC_MASK 0x0f00 -#define SROM_CC_SHIFT 8 -#define SROM_AA0_MASK 0x3000 -#define SROM_AA0_SHIFT 12 -#define SROM_AA1_MASK 0xc000 -#define SROM_AA1_SHIFT 14 - -#define SROM_WL0PAB0 47 -#define SROM_WL0PAB1 48 -#define SROM_WL0PAB2 49 - -#define SROM_LEDBH10 50 -#define SROM_LEDBH32 51 - -#define SROM_WL10MAXP 52 - -#define SROM_WL1PAB0 53 -#define SROM_WL1PAB1 54 -#define SROM_WL1PAB2 55 - -#define SROM_ITT 56 - -#define SROM_BFL 57 -#define SROM_BFL2 28 - -#define SROM_AG10 58 - -#define SROM_CCODE 59 - -#define SROM_OPO 60 - -#define SROM_CRCREV 63 - -#define SROM4_WORDS 220 - -#define SROM4_TXCHAIN_MASK 0x000f -#define SROM4_RXCHAIN_MASK 0x00f0 -#define SROM4_SWITCH_MASK 0xff00 - -/* Per-path fields */ -#define MAX_PATH_SROM 4 - -#define SROM4_CRCREV 219 - -/* SROM Rev 8: Make space for a 48word hardware header for PCIe rev >= 6. - * This is acombined srom for both MIMO and SISO boards, usable in - * the .130 4Kilobit OTP with hardware redundancy. - */ -#define SROM8_BREV 65 - -#define SROM8_BFL0 66 -#define SROM8_BFL1 67 -#define SROM8_BFL2 68 -#define SROM8_BFL3 69 - -#define SROM8_MACHI 70 -#define SROM8_MACMID 71 -#define SROM8_MACLO 72 - -#define SROM8_CCODE 73 -#define SROM8_REGREV 74 - -#define SROM8_LEDBH10 75 -#define SROM8_LEDBH32 76 - -#define SROM8_LEDDC 77 - -#define SROM8_AA 78 - -#define SROM8_AG10 79 -#define SROM8_AG32 80 - -#define SROM8_TXRXC 81 - -#define SROM8_BXARSSI2G 82 -#define SROM8_BXARSSI5G 83 -#define SROM8_TRI52G 84 -#define SROM8_TRI5GHL 85 -#define SROM8_RXPO52G 86 - -#define SROM8_FEM2G 87 -#define SROM8_FEM5G 88 -#define SROM8_FEM_ANTSWLUT_MASK 0xf800 -#define SROM8_FEM_ANTSWLUT_SHIFT 11 -#define SROM8_FEM_TR_ISO_MASK 0x0700 -#define SROM8_FEM_TR_ISO_SHIFT 8 -#define SROM8_FEM_PDET_RANGE_MASK 0x00f8 -#define SROM8_FEM_PDET_RANGE_SHIFT 3 -#define SROM8_FEM_EXTPA_GAIN_MASK 0x0006 -#define SROM8_FEM_EXTPA_GAIN_SHIFT 1 -#define SROM8_FEM_TSSIPOS_MASK 0x0001 -#define SROM8_FEM_TSSIPOS_SHIFT 0 - -#define SROM8_THERMAL 89 - -/* Temp sense related entries */ -#define SROM8_MPWR_RAWTS 90 -#define SROM8_TS_SLP_OPT_CORRX 91 -/* FOC: freiquency offset correction, HWIQ: H/W IOCAL enable, - * IQSWP: IQ CAL swap disable */ -#define SROM8_FOC_HWIQ_IQSWP 92 - -/* Temperature delta for PHY calibration */ -#define SROM8_PHYCAL_TEMPDELTA 93 - -/* Per-path offsets & fields */ -#define SROM8_PATH0 96 -#define SROM8_PATH1 112 -#define SROM8_PATH2 128 -#define SROM8_PATH3 144 - -#define SROM8_2G_ITT_MAXP 0 -#define SROM8_2G_PA 1 -#define SROM8_5G_ITT_MAXP 4 -#define SROM8_5GLH_MAXP 5 -#define SROM8_5G_PA 6 -#define SROM8_5GL_PA 9 -#define SROM8_5GH_PA 12 - -/* All the miriad power offsets */ -#define SROM8_2G_CCKPO 160 - -#define SROM8_2G_OFDMPO 161 -#define SROM8_5G_OFDMPO 163 -#define SROM8_5GL_OFDMPO 165 -#define SROM8_5GH_OFDMPO 167 - -#define SROM8_2G_MCSPO 169 -#define SROM8_5G_MCSPO 177 -#define SROM8_5GL_MCSPO 185 -#define SROM8_5GH_MCSPO 193 - -#define SROM8_CDDPO 201 -#define SROM8_STBCPO 202 -#define SROM8_BW40PO 203 -#define SROM8_BWDUPPO 204 - -/* SISO PA parameters are in the path0 spaces */ -#define SROM8_SISO 96 - -/* Legacy names for SISO PA paramters */ -#define SROM8_W0_ITTMAXP (SROM8_SISO + SROM8_2G_ITT_MAXP) -#define SROM8_W0_PAB0 (SROM8_SISO + SROM8_2G_PA) -#define SROM8_W0_PAB1 (SROM8_SISO + SROM8_2G_PA + 1) -#define SROM8_W0_PAB2 (SROM8_SISO + SROM8_2G_PA + 2) -#define SROM8_W1_ITTMAXP (SROM8_SISO + SROM8_5G_ITT_MAXP) -#define SROM8_W1_MAXP_LCHC (SROM8_SISO + SROM8_5GLH_MAXP) -#define SROM8_W1_PAB0 (SROM8_SISO + SROM8_5G_PA) -#define SROM8_W1_PAB1 (SROM8_SISO + SROM8_5G_PA + 1) -#define SROM8_W1_PAB2 (SROM8_SISO + SROM8_5G_PA + 2) -#define SROM8_W1_PAB0_LC (SROM8_SISO + SROM8_5GL_PA) -#define SROM8_W1_PAB1_LC (SROM8_SISO + SROM8_5GL_PA + 1) -#define SROM8_W1_PAB2_LC (SROM8_SISO + SROM8_5GL_PA + 2) -#define SROM8_W1_PAB0_HC (SROM8_SISO + SROM8_5GH_PA) -#define SROM8_W1_PAB1_HC (SROM8_SISO + SROM8_5GH_PA + 1) -#define SROM8_W1_PAB2_HC (SROM8_SISO + SROM8_5GH_PA + 2) - -/* SROM REV 9 */ -#define SROM9_2GPO_CCKBW20 160 -#define SROM9_2GPO_CCKBW20UL 161 -#define SROM9_2GPO_LOFDMBW20 162 -#define SROM9_2GPO_LOFDMBW20UL 164 - -#define SROM9_5GLPO_LOFDMBW20 166 -#define SROM9_5GLPO_LOFDMBW20UL 168 -#define SROM9_5GMPO_LOFDMBW20 170 -#define SROM9_5GMPO_LOFDMBW20UL 172 -#define SROM9_5GHPO_LOFDMBW20 174 -#define SROM9_5GHPO_LOFDMBW20UL 176 - -#define SROM9_2GPO_MCSBW20 178 -#define SROM9_2GPO_MCSBW20UL 180 -#define SROM9_2GPO_MCSBW40 182 - -#define SROM9_5GLPO_MCSBW20 184 -#define SROM9_5GLPO_MCSBW20UL 186 -#define SROM9_5GLPO_MCSBW40 188 -#define SROM9_5GMPO_MCSBW20 190 -#define SROM9_5GMPO_MCSBW20UL 192 -#define SROM9_5GMPO_MCSBW40 194 -#define SROM9_5GHPO_MCSBW20 196 -#define SROM9_5GHPO_MCSBW20UL 198 -#define SROM9_5GHPO_MCSBW40 200 - -#define SROM9_PO_MCS32 202 -#define SROM9_PO_LOFDM40DUP 203 - -/* SROM flags (see sromvar_t) */ - -/* value continues as described by the next entry */ -#define SRFL_MORE 1 -#define SRFL_NOFFS 2 /* value bits can't be all one's */ -#define SRFL_PRHEX 4 /* value is in hexdecimal format */ -#define SRFL_PRSIGN 8 /* value is in signed decimal format */ -#define SRFL_CCODE 0x10 /* value is in country code format */ -#define SRFL_ETHADDR 0x20 /* value is an Ethernet address */ -#define SRFL_LEDDC 0x40 /* value is an LED duty cycle */ -/* do not generate a nvram param, entry is for mfgc */ -#define SRFL_NOVAR 0x80 - -/* Max. nvram variable table size */ -#define MAXSZ_NVRAM_VARS 4096 - -/* - * indicates type of value. - */ -enum brcms_srom_var_type { - BRCMS_SROM_STRING, - BRCMS_SROM_SNUMBER, - BRCMS_SROM_UNUMBER -}; - -/* - * storage type for srom variable. - * - * var_list: for linked list operations. - * varid: identifier of the variable. - * var_type: type of variable. - * buf: variable value when var_type == BRCMS_SROM_STRING. - * uval: unsigned variable value when var_type == BRCMS_SROM_UNUMBER. - * sval: signed variable value when var_type == BRCMS_SROM_SNUMBER. - */ -struct brcms_srom_list_head { - struct list_head var_list; - enum brcms_srom_id varid; - enum brcms_srom_var_type var_type; - union { - char buf[0]; - u32 uval; - s32 sval; - }; -}; - -struct brcms_sromvar { - enum brcms_srom_id varid; - u32 revmask; - u32 flags; - u16 off; - u16 mask; -}; - -struct brcms_varbuf { - char *base; /* pointer to buffer base */ - char *buf; /* pointer to current position */ - unsigned int size; /* current (residual) size in bytes */ -}; - -/* - * Assumptions: - * - Ethernet address spans across 3 consecutive words - * - * Table rules: - * - Add multiple entries next to each other if a value spans across multiple - * words (even multiple fields in the same word) with each entry except the - * last having it's SRFL_MORE bit set. - * - Ethernet address entry does not follow above rule and must not have - * SRFL_MORE bit set. Its SRFL_ETHADDR bit implies it takes multiple words. - * - The last entry's name field must be NULL to indicate the end of the table. - * Other entries must have non-NULL name. - */ -static const struct brcms_sromvar pci_sromvars[] = { - {BRCMS_SROM_DEVID, 0xffffff00, SRFL_PRHEX | SRFL_NOVAR, PCI_F0DEVID, - 0xffff}, - {BRCMS_SROM_BOARDREV, 0xffffff00, SRFL_PRHEX, SROM8_BREV, 0xffff}, - {BRCMS_SROM_BOARDFLAGS, 0xffffff00, SRFL_PRHEX | SRFL_MORE, SROM8_BFL0, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM8_BFL1, 0xffff}, - {BRCMS_SROM_BOARDFLAGS2, 0xffffff00, SRFL_PRHEX | SRFL_MORE, SROM8_BFL2, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM8_BFL3, 0xffff}, - {BRCMS_SROM_BOARDTYPE, 0xfffffffc, SRFL_PRHEX, SROM_SSID, 0xffff}, - {BRCMS_SROM_BOARDNUM, 0xffffff00, 0, SROM8_MACLO, 0xffff}, - {BRCMS_SROM_REGREV, 0xffffff00, 0, SROM8_REGREV, 0x00ff}, - {BRCMS_SROM_LEDBH0, 0xffffff00, SRFL_NOFFS, SROM8_LEDBH10, 0x00ff}, - {BRCMS_SROM_LEDBH1, 0xffffff00, SRFL_NOFFS, SROM8_LEDBH10, 0xff00}, - {BRCMS_SROM_LEDBH2, 0xffffff00, SRFL_NOFFS, SROM8_LEDBH32, 0x00ff}, - {BRCMS_SROM_LEDBH3, 0xffffff00, SRFL_NOFFS, SROM8_LEDBH32, 0xff00}, - {BRCMS_SROM_PA0B0, 0xffffff00, SRFL_PRHEX, SROM8_W0_PAB0, 0xffff}, - {BRCMS_SROM_PA0B1, 0xffffff00, SRFL_PRHEX, SROM8_W0_PAB1, 0xffff}, - {BRCMS_SROM_PA0B2, 0xffffff00, SRFL_PRHEX, SROM8_W0_PAB2, 0xffff}, - {BRCMS_SROM_PA0ITSSIT, 0xffffff00, 0, SROM8_W0_ITTMAXP, 0xff00}, - {BRCMS_SROM_PA0MAXPWR, 0xffffff00, 0, SROM8_W0_ITTMAXP, 0x00ff}, - {BRCMS_SROM_OPO, 0xffffff00, 0, SROM8_2G_OFDMPO, 0x00ff}, - {BRCMS_SROM_AA2G, 0xffffff00, 0, SROM8_AA, 0x00ff}, - {BRCMS_SROM_AA5G, 0xffffff00, 0, SROM8_AA, 0xff00}, - {BRCMS_SROM_AG0, 0xffffff00, 0, SROM8_AG10, 0x00ff}, - {BRCMS_SROM_AG1, 0xffffff00, 0, SROM8_AG10, 0xff00}, - {BRCMS_SROM_AG2, 0xffffff00, 0, SROM8_AG32, 0x00ff}, - {BRCMS_SROM_AG3, 0xffffff00, 0, SROM8_AG32, 0xff00}, - {BRCMS_SROM_PA1B0, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB0, 0xffff}, - {BRCMS_SROM_PA1B1, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB1, 0xffff}, - {BRCMS_SROM_PA1B2, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB2, 0xffff}, - {BRCMS_SROM_PA1LOB0, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB0_LC, 0xffff}, - {BRCMS_SROM_PA1LOB1, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB1_LC, 0xffff}, - {BRCMS_SROM_PA1LOB2, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB2_LC, 0xffff}, - {BRCMS_SROM_PA1HIB0, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB0_HC, 0xffff}, - {BRCMS_SROM_PA1HIB1, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB1_HC, 0xffff}, - {BRCMS_SROM_PA1HIB2, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB2_HC, 0xffff}, - {BRCMS_SROM_PA1ITSSIT, 0xffffff00, 0, SROM8_W1_ITTMAXP, 0xff00}, - {BRCMS_SROM_PA1MAXPWR, 0xffffff00, 0, SROM8_W1_ITTMAXP, 0x00ff}, - {BRCMS_SROM_PA1LOMAXPWR, 0xffffff00, 0, SROM8_W1_MAXP_LCHC, 0xff00}, - {BRCMS_SROM_PA1HIMAXPWR, 0xffffff00, 0, SROM8_W1_MAXP_LCHC, 0x00ff}, - {BRCMS_SROM_BXA2G, 0xffffff00, 0, SROM8_BXARSSI2G, 0x1800}, - {BRCMS_SROM_RSSISAV2G, 0xffffff00, 0, SROM8_BXARSSI2G, 0x0700}, - {BRCMS_SROM_RSSISMC2G, 0xffffff00, 0, SROM8_BXARSSI2G, 0x00f0}, - {BRCMS_SROM_RSSISMF2G, 0xffffff00, 0, SROM8_BXARSSI2G, 0x000f}, - {BRCMS_SROM_BXA5G, 0xffffff00, 0, SROM8_BXARSSI5G, 0x1800}, - {BRCMS_SROM_RSSISAV5G, 0xffffff00, 0, SROM8_BXARSSI5G, 0x0700}, - {BRCMS_SROM_RSSISMC5G, 0xffffff00, 0, SROM8_BXARSSI5G, 0x00f0}, - {BRCMS_SROM_RSSISMF5G, 0xffffff00, 0, SROM8_BXARSSI5G, 0x000f}, - {BRCMS_SROM_TRI2G, 0xffffff00, 0, SROM8_TRI52G, 0x00ff}, - {BRCMS_SROM_TRI5G, 0xffffff00, 0, SROM8_TRI52G, 0xff00}, - {BRCMS_SROM_TRI5GL, 0xffffff00, 0, SROM8_TRI5GHL, 0x00ff}, - {BRCMS_SROM_TRI5GH, 0xffffff00, 0, SROM8_TRI5GHL, 0xff00}, - {BRCMS_SROM_RXPO2G, 0xffffff00, SRFL_PRSIGN, SROM8_RXPO52G, 0x00ff}, - {BRCMS_SROM_RXPO5G, 0xffffff00, SRFL_PRSIGN, SROM8_RXPO52G, 0xff00}, - {BRCMS_SROM_TXCHAIN, 0xffffff00, SRFL_NOFFS, SROM8_TXRXC, - SROM4_TXCHAIN_MASK}, - {BRCMS_SROM_RXCHAIN, 0xffffff00, SRFL_NOFFS, SROM8_TXRXC, - SROM4_RXCHAIN_MASK}, - {BRCMS_SROM_ANTSWITCH, 0xffffff00, SRFL_NOFFS, SROM8_TXRXC, - SROM4_SWITCH_MASK}, - {BRCMS_SROM_TSSIPOS2G, 0xffffff00, 0, SROM8_FEM2G, - SROM8_FEM_TSSIPOS_MASK}, - {BRCMS_SROM_EXTPAGAIN2G, 0xffffff00, 0, SROM8_FEM2G, - SROM8_FEM_EXTPA_GAIN_MASK}, - {BRCMS_SROM_PDETRANGE2G, 0xffffff00, 0, SROM8_FEM2G, - SROM8_FEM_PDET_RANGE_MASK}, - {BRCMS_SROM_TRISO2G, 0xffffff00, 0, SROM8_FEM2G, SROM8_FEM_TR_ISO_MASK}, - {BRCMS_SROM_ANTSWCTL2G, 0xffffff00, 0, SROM8_FEM2G, - SROM8_FEM_ANTSWLUT_MASK}, - {BRCMS_SROM_TSSIPOS5G, 0xffffff00, 0, SROM8_FEM5G, - SROM8_FEM_TSSIPOS_MASK}, - {BRCMS_SROM_EXTPAGAIN5G, 0xffffff00, 0, SROM8_FEM5G, - SROM8_FEM_EXTPA_GAIN_MASK}, - {BRCMS_SROM_PDETRANGE5G, 0xffffff00, 0, SROM8_FEM5G, - SROM8_FEM_PDET_RANGE_MASK}, - {BRCMS_SROM_TRISO5G, 0xffffff00, 0, SROM8_FEM5G, SROM8_FEM_TR_ISO_MASK}, - {BRCMS_SROM_ANTSWCTL5G, 0xffffff00, 0, SROM8_FEM5G, - SROM8_FEM_ANTSWLUT_MASK}, - {BRCMS_SROM_TEMPTHRESH, 0xffffff00, 0, SROM8_THERMAL, 0xff00}, - {BRCMS_SROM_TEMPOFFSET, 0xffffff00, 0, SROM8_THERMAL, 0x00ff}, - - {BRCMS_SROM_CCODE, 0xffffff00, SRFL_CCODE, SROM8_CCODE, 0xffff}, - {BRCMS_SROM_MACADDR, 0xffffff00, SRFL_ETHADDR, SROM8_MACHI, 0xffff}, - {BRCMS_SROM_LEDDC, 0xffffff00, SRFL_NOFFS | SRFL_LEDDC, SROM8_LEDDC, - 0xffff}, - {BRCMS_SROM_RAWTEMPSENSE, 0xffffff00, SRFL_PRHEX, SROM8_MPWR_RAWTS, - 0x01ff}, - {BRCMS_SROM_MEASPOWER, 0xffffff00, SRFL_PRHEX, SROM8_MPWR_RAWTS, - 0xfe00}, - {BRCMS_SROM_TEMPSENSE_SLOPE, 0xffffff00, SRFL_PRHEX, - SROM8_TS_SLP_OPT_CORRX, 0x00ff}, - {BRCMS_SROM_TEMPCORRX, 0xffffff00, SRFL_PRHEX, SROM8_TS_SLP_OPT_CORRX, - 0xfc00}, - {BRCMS_SROM_TEMPSENSE_OPTION, 0xffffff00, SRFL_PRHEX, - SROM8_TS_SLP_OPT_CORRX, 0x0300}, - {BRCMS_SROM_FREQOFFSET_CORR, 0xffffff00, SRFL_PRHEX, - SROM8_FOC_HWIQ_IQSWP, 0x000f}, - {BRCMS_SROM_IQCAL_SWP_DIS, 0xffffff00, SRFL_PRHEX, SROM8_FOC_HWIQ_IQSWP, - 0x0010}, - {BRCMS_SROM_HW_IQCAL_EN, 0xffffff00, SRFL_PRHEX, SROM8_FOC_HWIQ_IQSWP, - 0x0020}, - {BRCMS_SROM_PHYCAL_TEMPDELTA, 0xffffff00, 0, SROM8_PHYCAL_TEMPDELTA, - 0x00ff}, - - {BRCMS_SROM_CCK2GPO, 0x00000100, 0, SROM8_2G_CCKPO, 0xffff}, - {BRCMS_SROM_OFDM2GPO, 0x00000100, SRFL_MORE, SROM8_2G_OFDMPO, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM8_2G_OFDMPO + 1, 0xffff}, - {BRCMS_SROM_OFDM5GPO, 0x00000100, SRFL_MORE, SROM8_5G_OFDMPO, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM8_5G_OFDMPO + 1, 0xffff}, - {BRCMS_SROM_OFDM5GLPO, 0x00000100, SRFL_MORE, SROM8_5GL_OFDMPO, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM8_5GL_OFDMPO + 1, 0xffff}, - {BRCMS_SROM_OFDM5GHPO, 0x00000100, SRFL_MORE, SROM8_5GH_OFDMPO, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM8_5GH_OFDMPO + 1, 0xffff}, - {BRCMS_SROM_MCS2GPO0, 0x00000100, 0, SROM8_2G_MCSPO, 0xffff}, - {BRCMS_SROM_MCS2GPO1, 0x00000100, 0, SROM8_2G_MCSPO + 1, 0xffff}, - {BRCMS_SROM_MCS2GPO2, 0x00000100, 0, SROM8_2G_MCSPO + 2, 0xffff}, - {BRCMS_SROM_MCS2GPO3, 0x00000100, 0, SROM8_2G_MCSPO + 3, 0xffff}, - {BRCMS_SROM_MCS2GPO4, 0x00000100, 0, SROM8_2G_MCSPO + 4, 0xffff}, - {BRCMS_SROM_MCS2GPO5, 0x00000100, 0, SROM8_2G_MCSPO + 5, 0xffff}, - {BRCMS_SROM_MCS2GPO6, 0x00000100, 0, SROM8_2G_MCSPO + 6, 0xffff}, - {BRCMS_SROM_MCS2GPO7, 0x00000100, 0, SROM8_2G_MCSPO + 7, 0xffff}, - {BRCMS_SROM_MCS5GPO0, 0x00000100, 0, SROM8_5G_MCSPO, 0xffff}, - {BRCMS_SROM_MCS5GPO1, 0x00000100, 0, SROM8_5G_MCSPO + 1, 0xffff}, - {BRCMS_SROM_MCS5GPO2, 0x00000100, 0, SROM8_5G_MCSPO + 2, 0xffff}, - {BRCMS_SROM_MCS5GPO3, 0x00000100, 0, SROM8_5G_MCSPO + 3, 0xffff}, - {BRCMS_SROM_MCS5GPO4, 0x00000100, 0, SROM8_5G_MCSPO + 4, 0xffff}, - {BRCMS_SROM_MCS5GPO5, 0x00000100, 0, SROM8_5G_MCSPO + 5, 0xffff}, - {BRCMS_SROM_MCS5GPO6, 0x00000100, 0, SROM8_5G_MCSPO + 6, 0xffff}, - {BRCMS_SROM_MCS5GPO7, 0x00000100, 0, SROM8_5G_MCSPO + 7, 0xffff}, - {BRCMS_SROM_MCS5GLPO0, 0x00000100, 0, SROM8_5GL_MCSPO, 0xffff}, - {BRCMS_SROM_MCS5GLPO1, 0x00000100, 0, SROM8_5GL_MCSPO + 1, 0xffff}, - {BRCMS_SROM_MCS5GLPO2, 0x00000100, 0, SROM8_5GL_MCSPO + 2, 0xffff}, - {BRCMS_SROM_MCS5GLPO3, 0x00000100, 0, SROM8_5GL_MCSPO + 3, 0xffff}, - {BRCMS_SROM_MCS5GLPO4, 0x00000100, 0, SROM8_5GL_MCSPO + 4, 0xffff}, - {BRCMS_SROM_MCS5GLPO5, 0x00000100, 0, SROM8_5GL_MCSPO + 5, 0xffff}, - {BRCMS_SROM_MCS5GLPO6, 0x00000100, 0, SROM8_5GL_MCSPO + 6, 0xffff}, - {BRCMS_SROM_MCS5GLPO7, 0x00000100, 0, SROM8_5GL_MCSPO + 7, 0xffff}, - {BRCMS_SROM_MCS5GHPO0, 0x00000100, 0, SROM8_5GH_MCSPO, 0xffff}, - {BRCMS_SROM_MCS5GHPO1, 0x00000100, 0, SROM8_5GH_MCSPO + 1, 0xffff}, - {BRCMS_SROM_MCS5GHPO2, 0x00000100, 0, SROM8_5GH_MCSPO + 2, 0xffff}, - {BRCMS_SROM_MCS5GHPO3, 0x00000100, 0, SROM8_5GH_MCSPO + 3, 0xffff}, - {BRCMS_SROM_MCS5GHPO4, 0x00000100, 0, SROM8_5GH_MCSPO + 4, 0xffff}, - {BRCMS_SROM_MCS5GHPO5, 0x00000100, 0, SROM8_5GH_MCSPO + 5, 0xffff}, - {BRCMS_SROM_MCS5GHPO6, 0x00000100, 0, SROM8_5GH_MCSPO + 6, 0xffff}, - {BRCMS_SROM_MCS5GHPO7, 0x00000100, 0, SROM8_5GH_MCSPO + 7, 0xffff}, - {BRCMS_SROM_CDDPO, 0x00000100, 0, SROM8_CDDPO, 0xffff}, - {BRCMS_SROM_STBCPO, 0x00000100, 0, SROM8_STBCPO, 0xffff}, - {BRCMS_SROM_BW40PO, 0x00000100, 0, SROM8_BW40PO, 0xffff}, - {BRCMS_SROM_BWDUPPO, 0x00000100, 0, SROM8_BWDUPPO, 0xffff}, - - /* power per rate from sromrev 9 */ - {BRCMS_SROM_CCKBW202GPO, 0xfffffe00, 0, SROM9_2GPO_CCKBW20, 0xffff}, - {BRCMS_SROM_CCKBW20UL2GPO, 0xfffffe00, 0, SROM9_2GPO_CCKBW20UL, 0xffff}, - {BRCMS_SROM_LEGOFDMBW202GPO, 0xfffffe00, SRFL_MORE, - SROM9_2GPO_LOFDMBW20, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_LOFDMBW20 + 1, 0xffff}, - {BRCMS_SROM_LEGOFDMBW20UL2GPO, 0xfffffe00, SRFL_MORE, - SROM9_2GPO_LOFDMBW20UL, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_LOFDMBW20UL + 1, 0xffff}, - {BRCMS_SROM_LEGOFDMBW205GLPO, 0xfffffe00, SRFL_MORE, - SROM9_5GLPO_LOFDMBW20, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_LOFDMBW20 + 1, 0xffff}, - {BRCMS_SROM_LEGOFDMBW20UL5GLPO, 0xfffffe00, SRFL_MORE, - SROM9_5GLPO_LOFDMBW20UL, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_LOFDMBW20UL + 1, 0xffff}, - {BRCMS_SROM_LEGOFDMBW205GMPO, 0xfffffe00, SRFL_MORE, - SROM9_5GMPO_LOFDMBW20, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_LOFDMBW20 + 1, 0xffff}, - {BRCMS_SROM_LEGOFDMBW20UL5GMPO, 0xfffffe00, SRFL_MORE, - SROM9_5GMPO_LOFDMBW20UL, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_LOFDMBW20UL + 1, 0xffff}, - {BRCMS_SROM_LEGOFDMBW205GHPO, 0xfffffe00, SRFL_MORE, - SROM9_5GHPO_LOFDMBW20, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_LOFDMBW20 + 1, 0xffff}, - {BRCMS_SROM_LEGOFDMBW20UL5GHPO, 0xfffffe00, SRFL_MORE, - SROM9_5GHPO_LOFDMBW20UL, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_LOFDMBW20UL + 1, 0xffff}, - {BRCMS_SROM_MCSBW202GPO, 0xfffffe00, SRFL_MORE, SROM9_2GPO_MCSBW20, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_MCSBW20 + 1, 0xffff}, - {BRCMS_SROM_MCSBW20UL2GPO, 0xfffffe00, SRFL_MORE, SROM9_2GPO_MCSBW20UL, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_MCSBW20UL + 1, 0xffff}, - {BRCMS_SROM_MCSBW402GPO, 0xfffffe00, SRFL_MORE, SROM9_2GPO_MCSBW40, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_MCSBW40 + 1, 0xffff}, - {BRCMS_SROM_MCSBW205GLPO, 0xfffffe00, SRFL_MORE, SROM9_5GLPO_MCSBW20, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_MCSBW20 + 1, 0xffff}, - {BRCMS_SROM_MCSBW20UL5GLPO, 0xfffffe00, SRFL_MORE, - SROM9_5GLPO_MCSBW20UL, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_MCSBW20UL + 1, 0xffff}, - {BRCMS_SROM_MCSBW405GLPO, 0xfffffe00, SRFL_MORE, SROM9_5GLPO_MCSBW40, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_MCSBW40 + 1, 0xffff}, - {BRCMS_SROM_MCSBW205GMPO, 0xfffffe00, SRFL_MORE, SROM9_5GMPO_MCSBW20, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_MCSBW20 + 1, 0xffff}, - {BRCMS_SROM_MCSBW20UL5GMPO, 0xfffffe00, SRFL_MORE, - SROM9_5GMPO_MCSBW20UL, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_MCSBW20UL + 1, 0xffff}, - {BRCMS_SROM_MCSBW405GMPO, 0xfffffe00, SRFL_MORE, SROM9_5GMPO_MCSBW40, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_MCSBW40 + 1, 0xffff}, - {BRCMS_SROM_MCSBW205GHPO, 0xfffffe00, SRFL_MORE, SROM9_5GHPO_MCSBW20, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_MCSBW20 + 1, 0xffff}, - {BRCMS_SROM_MCSBW20UL5GHPO, 0xfffffe00, SRFL_MORE, - SROM9_5GHPO_MCSBW20UL, 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_MCSBW20UL + 1, 0xffff}, - {BRCMS_SROM_MCSBW405GHPO, 0xfffffe00, SRFL_MORE, SROM9_5GHPO_MCSBW40, - 0xffff}, - {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_MCSBW40 + 1, 0xffff}, - {BRCMS_SROM_MCS32PO, 0xfffffe00, 0, SROM9_PO_MCS32, 0xffff}, - {BRCMS_SROM_LEGOFDM40DUPPO, 0xfffffe00, 0, SROM9_PO_LOFDM40DUP, 0xffff}, - - {BRCMS_SROM_NULL, 0, 0, 0, 0} -}; - -static const struct brcms_sromvar perpath_pci_sromvars[] = { - {BRCMS_SROM_MAXP2GA0, 0xffffff00, 0, SROM8_2G_ITT_MAXP, 0x00ff}, - {BRCMS_SROM_ITT2GA0, 0xffffff00, 0, SROM8_2G_ITT_MAXP, 0xff00}, - {BRCMS_SROM_ITT5GA0, 0xffffff00, 0, SROM8_5G_ITT_MAXP, 0xff00}, - {BRCMS_SROM_PA2GW0A0, 0xffffff00, SRFL_PRHEX, SROM8_2G_PA, 0xffff}, - {BRCMS_SROM_PA2GW1A0, 0xffffff00, SRFL_PRHEX, SROM8_2G_PA + 1, 0xffff}, - {BRCMS_SROM_PA2GW2A0, 0xffffff00, SRFL_PRHEX, SROM8_2G_PA + 2, 0xffff}, - {BRCMS_SROM_MAXP5GA0, 0xffffff00, 0, SROM8_5G_ITT_MAXP, 0x00ff}, - {BRCMS_SROM_MAXP5GHA0, 0xffffff00, 0, SROM8_5GLH_MAXP, 0x00ff}, - {BRCMS_SROM_MAXP5GLA0, 0xffffff00, 0, SROM8_5GLH_MAXP, 0xff00}, - {BRCMS_SROM_PA5GW0A0, 0xffffff00, SRFL_PRHEX, SROM8_5G_PA, 0xffff}, - {BRCMS_SROM_PA5GW1A0, 0xffffff00, SRFL_PRHEX, SROM8_5G_PA + 1, 0xffff}, - {BRCMS_SROM_PA5GW2A0, 0xffffff00, SRFL_PRHEX, SROM8_5G_PA + 2, 0xffff}, - {BRCMS_SROM_PA5GLW0A0, 0xffffff00, SRFL_PRHEX, SROM8_5GL_PA, 0xffff}, - {BRCMS_SROM_PA5GLW1A0, 0xffffff00, SRFL_PRHEX, SROM8_5GL_PA + 1, - 0xffff}, - {BRCMS_SROM_PA5GLW2A0, 0xffffff00, SRFL_PRHEX, SROM8_5GL_PA + 2, - 0xffff}, - {BRCMS_SROM_PA5GHW0A0, 0xffffff00, SRFL_PRHEX, SROM8_5GH_PA, 0xffff}, - {BRCMS_SROM_PA5GHW1A0, 0xffffff00, SRFL_PRHEX, SROM8_5GH_PA + 1, - 0xffff}, - {BRCMS_SROM_PA5GHW2A0, 0xffffff00, SRFL_PRHEX, SROM8_5GH_PA + 2, - 0xffff}, - {BRCMS_SROM_NULL, 0, 0, 0, 0} -}; - -/* crc table has the same contents for every device instance, so it can be - * shared between devices. */ -static u8 brcms_srom_crc8_table[CRC8_TABLE_SIZE]; - -static uint mask_shift(u16 mask) -{ - uint i; - for (i = 0; i < (sizeof(mask) << 3); i++) { - if (mask & (1 << i)) - return i; - } - return 0; -} - -static uint mask_width(u16 mask) -{ - int i; - for (i = (sizeof(mask) << 3) - 1; i >= 0; i--) { - if (mask & (1 << i)) - return (uint) (i - mask_shift(mask) + 1); - } - return 0; -} - -static inline void le16_to_cpu_buf(u16 *buf, uint nwords) -{ - while (nwords--) - *(buf + nwords) = le16_to_cpu(*(__le16 *)(buf + nwords)); -} - -static inline void cpu_to_le16_buf(u16 *buf, uint nwords) -{ - while (nwords--) - *(__le16 *)(buf + nwords) = cpu_to_le16(*(buf + nwords)); -} - -/* - * convert binary srom data into linked list of srom variable items. - */ -static int -_initvars_srom_pci(u8 sromrev, u16 *srom, struct list_head *var_list) -{ - struct brcms_srom_list_head *entry; - enum brcms_srom_id id; - u16 w; - u32 val = 0; - const struct brcms_sromvar *srv; - uint width; - uint flags; - u32 sr = (1 << sromrev); - uint p; - uint pb = SROM8_PATH0; - const uint psz = SROM8_PATH1 - SROM8_PATH0; - - /* first store the srom revision */ - entry = kzalloc(sizeof(struct brcms_srom_list_head), GFP_KERNEL); - if (!entry) - return -ENOMEM; - - entry->varid = BRCMS_SROM_REV; - entry->var_type = BRCMS_SROM_UNUMBER; - entry->uval = sromrev; - list_add(&entry->var_list, var_list); - - for (srv = pci_sromvars; srv->varid != BRCMS_SROM_NULL; srv++) { - enum brcms_srom_var_type type; - u8 ea[ETH_ALEN]; - u8 extra_space = 0; - - if ((srv->revmask & sr) == 0) - continue; - - flags = srv->flags; - id = srv->varid; - - /* This entry is for mfgc only. Don't generate param for it, */ - if (flags & SRFL_NOVAR) - continue; - - if (flags & SRFL_ETHADDR) { - /* - * stored in string format XX:XX:XX:XX:XX:XX (17 chars) - */ - ea[0] = (srom[srv->off] >> 8) & 0xff; - ea[1] = srom[srv->off] & 0xff; - ea[2] = (srom[srv->off + 1] >> 8) & 0xff; - ea[3] = srom[srv->off + 1] & 0xff; - ea[4] = (srom[srv->off + 2] >> 8) & 0xff; - ea[5] = srom[srv->off + 2] & 0xff; - /* 17 characters + string terminator - union size */ - extra_space = 18 - sizeof(s32); - type = BRCMS_SROM_STRING; - } else { - w = srom[srv->off]; - val = (w & srv->mask) >> mask_shift(srv->mask); - width = mask_width(srv->mask); - - while (srv->flags & SRFL_MORE) { - srv++; - if (srv->off == 0) - continue; - - w = srom[srv->off]; - val += - ((w & srv->mask) >> mask_shift(srv-> - mask)) << - width; - width += mask_width(srv->mask); - } - - if ((flags & SRFL_NOFFS) - && ((int)val == (1 << width) - 1)) - continue; - - if (flags & SRFL_CCODE) { - type = BRCMS_SROM_STRING; - } else if (flags & SRFL_LEDDC) { - /* LED Powersave duty cycle has to be scaled: - *(oncount >> 24) (offcount >> 8) - */ - u32 w32 = /* oncount */ - (((val >> 8) & 0xff) << 24) | - /* offcount */ - (((val & 0xff)) << 8); - type = BRCMS_SROM_UNUMBER; - val = w32; - } else if ((flags & SRFL_PRSIGN) - && (val & (1 << (width - 1)))) { - type = BRCMS_SROM_SNUMBER; - val |= ~0 << width; - } else - type = BRCMS_SROM_UNUMBER; - } - - entry = kzalloc(sizeof(struct brcms_srom_list_head) + - extra_space, GFP_KERNEL); - if (!entry) - return -ENOMEM; - entry->varid = id; - entry->var_type = type; - if (flags & SRFL_ETHADDR) { - snprintf(entry->buf, 18, "%pM", ea); - } else if (flags & SRFL_CCODE) { - if (val == 0) - entry->buf[0] = '\0'; - else - snprintf(entry->buf, 3, "%c%c", - (val >> 8), (val & 0xff)); - } else { - entry->uval = val; - } - - list_add(&entry->var_list, var_list); - } - - for (p = 0; p < MAX_PATH_SROM; p++) { - for (srv = perpath_pci_sromvars; - srv->varid != BRCMS_SROM_NULL; srv++) { - if ((srv->revmask & sr) == 0) - continue; - - if (srv->flags & SRFL_NOVAR) - continue; - - w = srom[pb + srv->off]; - val = (w & srv->mask) >> mask_shift(srv->mask); - width = mask_width(srv->mask); - - /* Cheating: no per-path var is more than - * 1 word */ - if ((srv->flags & SRFL_NOFFS) - && ((int)val == (1 << width) - 1)) - continue; - - entry = - kzalloc(sizeof(struct brcms_srom_list_head), - GFP_KERNEL); - if (!entry) - return -ENOMEM; - entry->varid = srv->varid+p; - entry->var_type = BRCMS_SROM_UNUMBER; - entry->uval = val; - list_add(&entry->var_list, var_list); - } - pb += psz; - } - return 0; -} - -/* - * The crc check is done on a little-endian array, we need - * to switch the bytes around before checking crc (and - * then switch it back). - */ -static int do_crc_check(u16 *buf, unsigned nwords) -{ - u8 crc; - - cpu_to_le16_buf(buf, nwords); - crc = crc8(brcms_srom_crc8_table, (void *)buf, nwords << 1, CRC8_INIT_VALUE); - le16_to_cpu_buf(buf, nwords); - - return crc == CRC8_GOOD_VALUE(brcms_srom_crc8_table); -} - -/* - * Read in and validate sprom. - * Return 0 on success, nonzero on error. - */ -static int -sprom_read_pci(struct si_pub *sih, u16 *buf, uint nwords, bool check_crc) -{ - int err = 0; - uint i; - struct bcma_device *core; - uint sprom_offset; - - /* determine core to read */ - if (ai_get_ccrev(sih) < 32) { - core = ai_findcore(sih, BCMA_CORE_80211, 0); - sprom_offset = PCI_BAR0_SPROM_OFFSET; - } else { - core = ai_findcore(sih, BCMA_CORE_CHIPCOMMON, 0); - sprom_offset = CHIPCREGOFFS(sromotp); - } - - /* read the sprom */ - for (i = 0; i < nwords; i++) - buf[i] = bcma_read16(core, sprom_offset+i*2); - - if (buf[0] == 0xffff) - /* - * The hardware thinks that an srom that starts with - * 0xffff is blank, regardless of the rest of the - * content, so declare it bad. - */ - return -ENODATA; - - if (check_crc && !do_crc_check(buf, nwords)) - err = -EIO; - - return err; -} - -static int otp_read_pci(struct si_pub *sih, u16 *buf, uint nwords) -{ - u8 *otp; - uint sz = OTP_SZ_MAX / 2; /* size in words */ - int err = 0; - - otp = kzalloc(OTP_SZ_MAX, GFP_ATOMIC); - if (otp == NULL) - return -ENOMEM; - - err = otp_read_region(sih, OTP_HW_RGN, (u16 *) otp, &sz); - - sz = min_t(uint, sz, nwords); - memcpy(buf, otp, sz * 2); - - kfree(otp); - - /* Check CRC */ - if (buf[0] == 0xffff) - /* The hardware thinks that an srom that starts with 0xffff - * is blank, regardless of the rest of the content, so declare - * it bad. - */ - return -ENODATA; - - /* fixup the endianness so crc8 will pass */ - cpu_to_le16_buf(buf, sz); - if (crc8(brcms_srom_crc8_table, (u8 *) buf, sz * 2, - CRC8_INIT_VALUE) != CRC8_GOOD_VALUE(brcms_srom_crc8_table)) - err = -EIO; - else - /* now correct the endianness of the byte array */ - le16_to_cpu_buf(buf, sz); - - return err; -} - -/* - * Initialize nonvolatile variable table from sprom. - * Return 0 on success, nonzero on error. - */ -int srom_var_init(struct si_pub *sih) -{ - u16 *srom; - u8 sromrev = 0; - u32 sr; - int err = 0; - - /* - * Apply CRC over SROM content regardless SROM is present or not. - */ - srom = kmalloc(SROM_MAX, GFP_ATOMIC); - if (!srom) - return -ENOMEM; - - crc8_populate_lsb(brcms_srom_crc8_table, SROM_CRC8_POLY); - if (ai_is_sprom_available(sih)) { - err = sprom_read_pci(sih, srom, SROM4_WORDS, true); - - if (err == 0) - /* srom read and passed crc */ - /* top word of sprom contains version and crc8 */ - sromrev = srom[SROM4_CRCREV] & 0xff; - } else { - /* Use OTP if SPROM not available */ - err = otp_read_pci(sih, srom, SROM4_WORDS); - if (err == 0) - /* OTP only contain SROM rev8/rev9 for now */ - sromrev = srom[SROM4_CRCREV] & 0xff; - } - - if (!err) { - struct si_info *sii = (struct si_info *)sih; - - /* Bitmask for the sromrev */ - sr = 1 << sromrev; - - /* - * srom version check: Current valid versions: 8, 9 - */ - if ((sr & 0x300) == 0) { - err = -EINVAL; - goto errout; - } - - INIT_LIST_HEAD(&sii->var_list); - - /* parse SROM into name=value pairs. */ - err = _initvars_srom_pci(sromrev, srom, &sii->var_list); - if (err) - srom_free_vars(sih); - } - -errout: - kfree(srom); - return err; -} - -void srom_free_vars(struct si_pub *sih) -{ - struct si_info *sii; - struct brcms_srom_list_head *entry, *next; - - sii = (struct si_info *)sih; - list_for_each_entry_safe(entry, next, &sii->var_list, var_list) { - list_del(&entry->var_list); - kfree(entry); - } -} - -/* - * Search the name=value vars for a specific one and return its value. - * Returns NULL if not found. - */ -char *getvar(struct si_pub *sih, enum brcms_srom_id id) -{ - struct si_info *sii; - struct brcms_srom_list_head *entry; - - sii = (struct si_info *)sih; - - list_for_each_entry(entry, &sii->var_list, var_list) - if (entry->varid == id) - return &entry->buf[0]; - - /* nothing found */ - return NULL; -} - -/* - * Search the vars for a specific one and return its value as - * an integer. Returns 0 if not found.- - */ -int getintvar(struct si_pub *sih, enum brcms_srom_id id) -{ - struct si_info *sii; - struct brcms_srom_list_head *entry; - unsigned long res; - - sii = (struct si_info *)sih; - - list_for_each_entry(entry, &sii->var_list, var_list) - if (entry->varid == id) { - if (entry->var_type == BRCMS_SROM_SNUMBER || - entry->var_type == BRCMS_SROM_UNUMBER) - return (int)entry->sval; - else if (!kstrtoul(&entry->buf[0], 0, &res)) - return (int)res; - } - - return 0; -} |