diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/aiutils.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmsmac/aiutils.c | 1251 |
1 files changed, 206 insertions, 1045 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c index 025fa0eb6f4..ab9bb11abfb 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c @@ -16,6 +16,8 @@ * File contents: support functions for PCI/PCIe */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/delay.h> #include <linux/pci.h> @@ -316,51 +318,24 @@ #define BADIDX (SI_MAXCORES + 1) -/* Newer chips can access PCI/PCIE and CC core without requiring to change - * PCI BAR0 WIN - */ -#define SI_FAST(si) (((si)->pub.buscoretype == PCIE_CORE_ID) || \ - (((si)->pub.buscoretype == PCI_CORE_ID) && \ - (si)->pub.buscorerev >= 13)) - -#define CCREGS_FAST(si) (((char __iomem *)((si)->curmap) + \ - PCI_16KB0_CCREGS_OFFSET)) - #define IS_SIM(chippkg) \ ((chippkg == HDLSIM_PKG_ID) || (chippkg == HWSIM_PKG_ID)) -/* - * Macros to disable/restore function core(D11, ENET, ILINE20, etc) interrupts - * before after core switching to avoid invalid register accesss inside ISR. - */ -#define INTR_OFF(si, intr_val) \ - if ((si)->intrsoff_fn && \ - (si)->coreid[(si)->curidx] == (si)->dev_coreid) \ - intr_val = (*(si)->intrsoff_fn)((si)->intr_arg) +#define PCI(sih) (ai_get_buscoretype(sih) == PCI_CORE_ID) +#define PCIE(sih) (ai_get_buscoretype(sih) == PCIE_CORE_ID) -#define INTR_RESTORE(si, intr_val) \ - if ((si)->intrsrestore_fn && \ - (si)->coreid[(si)->curidx] == (si)->dev_coreid) \ - (*(si)->intrsrestore_fn)((si)->intr_arg, intr_val) - -#define PCI(si) ((si)->pub.buscoretype == PCI_CORE_ID) -#define PCIE(si) ((si)->pub.buscoretype == PCIE_CORE_ID) - -#define PCI_FORCEHT(si) (PCIE(si) && (si->pub.chip == BCM4716_CHIP_ID)) +#define PCI_FORCEHT(sih) (PCIE(sih) && (ai_get_chip_id(sih) == BCM4716_CHIP_ID)) #ifdef BCMDBG -#define SI_MSG(args) printk args +#define SI_MSG(fmt, ...) pr_debug(fmt, ##__VA_ARGS__) #else -#define SI_MSG(args) +#define SI_MSG(fmt, ...) no_printk(fmt, ##__VA_ARGS__) #endif /* BCMDBG */ #define GOODCOREADDR(x, b) \ (((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \ IS_ALIGNED((x), SI_CORE_SIZE)) -#define PCIEREGS(si) ((__iomem char *)((si)->curmap) + \ - PCI_16KB0_PCIREGS_OFFSET) - struct aidmp { u32 oobselina30; /* 0x000 */ u32 oobselina74; /* 0x004 */ @@ -479,406 +454,13 @@ struct aidmp { u32 componentid3; /* 0xffc */ }; -/* EROM parsing */ - -static u32 -get_erom_ent(struct si_pub *sih, u32 __iomem **eromptr, u32 mask, u32 match) -{ - u32 ent; - uint inv = 0, nom = 0; - - while (true) { - ent = R_REG(*eromptr); - (*eromptr)++; - - if (mask == 0) - break; - - if ((ent & ER_VALID) == 0) { - inv++; - continue; - } - - if (ent == (ER_END | ER_VALID)) - break; - - if ((ent & mask) == match) - break; - - nom++; - } - - return ent; -} - -static u32 -get_asd(struct si_pub *sih, u32 __iomem **eromptr, uint sp, uint ad, uint st, - u32 *addrl, u32 *addrh, u32 *sizel, u32 *sizeh) -{ - u32 asd, sz, szd; - - asd = get_erom_ent(sih, eromptr, ER_VALID, ER_VALID); - if (((asd & ER_TAG1) != ER_ADD) || - (((asd & AD_SP_MASK) >> AD_SP_SHIFT) != sp) || - ((asd & AD_ST_MASK) != st)) { - /* This is not what we want, "push" it back */ - (*eromptr)--; - return 0; - } - *addrl = asd & AD_ADDR_MASK; - if (asd & AD_AG32) - *addrh = get_erom_ent(sih, eromptr, 0, 0); - else - *addrh = 0; - *sizeh = 0; - sz = asd & AD_SZ_MASK; - if (sz == AD_SZ_SZD) { - szd = get_erom_ent(sih, eromptr, 0, 0); - *sizel = szd & SD_SZ_MASK; - if (szd & SD_SG32) - *sizeh = get_erom_ent(sih, eromptr, 0, 0); - } else - *sizel = AD_SZ_BASE << (sz >> AD_SZ_SHIFT); - - return asd; -} - -static void ai_hwfixup(struct si_info *sii) -{ -} - -/* parse the enumeration rom to identify all cores */ -static void ai_scan(struct si_pub *sih, struct chipcregs __iomem *cc) -{ - struct si_info *sii = (struct si_info *)sih; - - u32 erombase; - u32 __iomem *eromptr, *eromlim; - void __iomem *regs = cc; - - erombase = R_REG(&cc->eromptr); - - /* Set wrappers address */ - sii->curwrap = (void *)((unsigned long)cc + SI_CORE_SIZE); - - /* Now point the window at the erom */ - pci_write_config_dword(sii->pbus, PCI_BAR0_WIN, erombase); - eromptr = regs; - eromlim = eromptr + (ER_REMAPCONTROL / sizeof(u32)); - - while (eromptr < eromlim) { - u32 cia, cib, cid, mfg, crev, nmw, nsw, nmp, nsp; - u32 mpd, asd, addrl, addrh, sizel, sizeh; - u32 __iomem *base; - uint i, j, idx; - bool br; - - br = false; - - /* Grok a component */ - cia = get_erom_ent(sih, &eromptr, ER_TAG, ER_CI); - if (cia == (ER_END | ER_VALID)) { - /* Found END of erom */ - ai_hwfixup(sii); - return; - } - base = eromptr - 1; - cib = get_erom_ent(sih, &eromptr, 0, 0); - - if ((cib & ER_TAG) != ER_CI) { - /* CIA not followed by CIB */ - goto error; - } - - cid = (cia & CIA_CID_MASK) >> CIA_CID_SHIFT; - mfg = (cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT; - crev = (cib & CIB_REV_MASK) >> CIB_REV_SHIFT; - nmw = (cib & CIB_NMW_MASK) >> CIB_NMW_SHIFT; - nsw = (cib & CIB_NSW_MASK) >> CIB_NSW_SHIFT; - nmp = (cib & CIB_NMP_MASK) >> CIB_NMP_SHIFT; - nsp = (cib & CIB_NSP_MASK) >> CIB_NSP_SHIFT; - - if (((mfg == MFGID_ARM) && (cid == DEF_AI_COMP)) || (nsp == 0)) - continue; - if ((nmw + nsw == 0)) { - /* A component which is not a core */ - if (cid == OOB_ROUTER_CORE_ID) { - asd = get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE, - &addrl, &addrh, &sizel, &sizeh); - if (asd != 0) - sii->oob_router = addrl; - } - continue; - } - - idx = sii->numcores; -/* sii->eromptr[idx] = base; */ - sii->cia[idx] = cia; - sii->cib[idx] = cib; - sii->coreid[idx] = cid; - - for (i = 0; i < nmp; i++) { - mpd = get_erom_ent(sih, &eromptr, ER_VALID, ER_VALID); - if ((mpd & ER_TAG) != ER_MP) { - /* Not enough MP entries for component */ - goto error; - } - } - - /* First Slave Address Descriptor should be port 0: - * the main register space for the core - */ - asd = - get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE, &addrl, &addrh, - &sizel, &sizeh); - if (asd == 0) { - /* Try again to see if it is a bridge */ - asd = - get_asd(sih, &eromptr, 0, 0, AD_ST_BRIDGE, &addrl, - &addrh, &sizel, &sizeh); - if (asd != 0) - br = true; - else if ((addrh != 0) || (sizeh != 0) - || (sizel != SI_CORE_SIZE)) { - /* First Slave ASD for core malformed */ - goto error; - } - } - sii->coresba[idx] = addrl; - sii->coresba_size[idx] = sizel; - /* Get any more ASDs in port 0 */ - j = 1; - do { - asd = - get_asd(sih, &eromptr, 0, j, AD_ST_SLAVE, &addrl, - &addrh, &sizel, &sizeh); - if ((asd != 0) && (j == 1) && (sizel == SI_CORE_SIZE)) { - sii->coresba2[idx] = addrl; - sii->coresba2_size[idx] = sizel; - } - j++; - } while (asd != 0); - - /* Go through the ASDs for other slave ports */ - for (i = 1; i < nsp; i++) { - j = 0; - do { - asd = - get_asd(sih, &eromptr, i, j++, AD_ST_SLAVE, - &addrl, &addrh, &sizel, &sizeh); - } while (asd != 0); - if (j == 0) { - /* SP has no address descriptors */ - goto error; - } - } - - /* Now get master wrappers */ - for (i = 0; i < nmw; i++) { - asd = - get_asd(sih, &eromptr, i, 0, AD_ST_MWRAP, &addrl, - &addrh, &sizel, &sizeh); - if (asd == 0) { - /* Missing descriptor for MW */ - goto error; - } - if ((sizeh != 0) || (sizel != SI_CORE_SIZE)) { - /* Master wrapper %d is not 4KB */ - goto error; - } - if (i == 0) - sii->wrapba[idx] = addrl; - } - - /* And finally slave wrappers */ - for (i = 0; i < nsw; i++) { - uint fwp = (nsp == 1) ? 0 : 1; - asd = - get_asd(sih, &eromptr, fwp + i, 0, AD_ST_SWRAP, - &addrl, &addrh, &sizel, &sizeh); - if (asd == 0) { - /* Missing descriptor for SW */ - goto error; - } - if ((sizeh != 0) || (sizel != SI_CORE_SIZE)) { - /* Slave wrapper is not 4KB */ - goto error; - } - if ((nmw == 0) && (i == 0)) - sii->wrapba[idx] = addrl; - } - - /* Don't record bridges */ - if (br) - continue; - - /* Done with core */ - sii->numcores++; - } - - error: - /* Reached end of erom without finding END */ - sii->numcores = 0; - return; -} - -/* - * This function changes the logical "focus" to the indicated core. - * Return the current core's virtual address. Since each core starts with the - * same set of registers (BIST, clock control, etc), the returned address - * contains the first register of this 'common' register block (not to be - * confused with 'common core'). - */ -void __iomem *ai_setcoreidx(struct si_pub *sih, uint coreidx) -{ - struct si_info *sii = (struct si_info *)sih; - u32 addr = sii->coresba[coreidx]; - u32 wrap = sii->wrapba[coreidx]; - - if (coreidx >= sii->numcores) - return NULL; - - /* point bar0 window */ - pci_write_config_dword(sii->pbus, PCI_BAR0_WIN, addr); - /* point bar0 2nd 4KB window */ - pci_write_config_dword(sii->pbus, PCI_BAR0_WIN2, wrap); - sii->curidx = coreidx; - - return sii->curmap; -} - -/* Return the number of address spaces in current core */ -int ai_numaddrspaces(struct si_pub *sih) -{ - return 2; -} - -/* Return the address of the nth address space in the current core */ -u32 ai_addrspace(struct si_pub *sih, uint asidx) -{ - struct si_info *sii; - uint cidx; - - sii = (struct si_info *)sih; - cidx = sii->curidx; - - if (asidx == 0) - return sii->coresba[cidx]; - else if (asidx == 1) - return sii->coresba2[cidx]; - else { - /* Need to parse the erom again to find addr space */ - return 0; - } -} - -/* Return the size of the nth address space in the current core */ -u32 ai_addrspacesize(struct si_pub *sih, uint asidx) -{ - struct si_info *sii; - uint cidx; - - sii = (struct si_info *)sih; - cidx = sii->curidx; - - if (asidx == 0) - return sii->coresba_size[cidx]; - else if (asidx == 1) - return sii->coresba2_size[cidx]; - else { - /* Need to parse the erom again to find addr */ - return 0; - } -} - -uint ai_flag(struct si_pub *sih) -{ - struct si_info *sii; - struct aidmp *ai; - - sii = (struct si_info *)sih; - ai = sii->curwrap; - - return R_REG(&ai->oobselouta30) & 0x1f; -} - -void ai_setint(struct si_pub *sih, int siflag) -{ -} - -uint ai_corevendor(struct si_pub *sih) -{ - struct si_info *sii; - u32 cia; - - sii = (struct si_info *)sih; - cia = sii->cia[sii->curidx]; - return (cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT; -} - -uint ai_corerev(struct si_pub *sih) -{ - struct si_info *sii; - u32 cib; - - sii = (struct si_info *)sih; - cib = sii->cib[sii->curidx]; - return (cib & CIB_REV_MASK) >> CIB_REV_SHIFT; -} - -bool ai_iscoreup(struct si_pub *sih) -{ - struct si_info *sii; - struct aidmp *ai; - - sii = (struct si_info *)sih; - ai = sii->curwrap; - - return (((R_REG(&ai->ioctrl) & (SICF_FGC | SICF_CLOCK_EN)) == - SICF_CLOCK_EN) - && ((R_REG(&ai->resetctrl) & AIRC_RESET) == 0)); -} - -void ai_core_cflags_wo(struct si_pub *sih, u32 mask, u32 val) -{ - struct si_info *sii; - struct aidmp *ai; - u32 w; - - sii = (struct si_info *)sih; - - ai = sii->curwrap; - - if (mask || val) { - w = ((R_REG(&ai->ioctrl) & ~mask) | val); - W_REG(&ai->ioctrl, w); - } -} - -u32 ai_core_cflags(struct si_pub *sih, u32 mask, u32 val) -{ - struct si_info *sii; - struct aidmp *ai; - u32 w; - - sii = (struct si_info *)sih; - ai = sii->curwrap; - - if (mask || val) { - w = ((R_REG(&ai->ioctrl) & ~mask) | val); - W_REG(&ai->ioctrl, w); - } - - return R_REG(&ai->ioctrl); -} - /* return true if PCIE capability exists in the pci config space */ static bool ai_ispcie(struct si_info *sii) { u8 cap_ptr; cap_ptr = - pcicore_find_pci_capability(sii->pbus, PCI_CAP_ID_EXP, NULL, + pcicore_find_pci_capability(sii->pcibus, PCI_CAP_ID_EXP, NULL, NULL); if (!cap_ptr) return false; @@ -894,117 +476,69 @@ static bool ai_buscore_prep(struct si_info *sii) return true; } -u32 ai_core_sflags(struct si_pub *sih, u32 mask, u32 val) -{ - struct si_info *sii; - struct aidmp *ai; - u32 w; - - sii = (struct si_info *)sih; - ai = sii->curwrap; - - if (mask || val) { - w = ((R_REG(&ai->iostatus) & ~mask) | val); - W_REG(&ai->iostatus, w); - } - - return R_REG(&ai->iostatus); -} - static bool -ai_buscore_setup(struct si_info *sii, u32 savewin, uint *origidx) +ai_buscore_setup(struct si_info *sii, struct bcma_device *cc) { - bool pci, pcie; - uint i; - uint pciidx, pcieidx, pcirev, pcierev; - struct chipcregs __iomem *cc; + struct bcma_device *pci = NULL; + struct bcma_device *pcie = NULL; + struct bcma_device *core; - cc = ai_setcoreidx(&sii->pub, SI_CC_IDX); + + /* no cores found, bail out */ + if (cc->bus->nr_cores == 0) + return false; /* get chipcommon rev */ - sii->pub.ccrev = (int)ai_corerev(&sii->pub); + sii->pub.ccrev = cc->id.rev; /* get chipcommon chipstatus */ - if (sii->pub.ccrev >= 11) - sii->pub.chipst = R_REG(&cc->chipstatus); + if (ai_get_ccrev(&sii->pub) >= 11) + sii->chipst = bcma_read32(cc, CHIPCREGOFFS(chipstatus)); /* get chipcommon capabilites */ - sii->pub.cccaps = R_REG(&cc->capabilities); - /* get chipcommon extended capabilities */ - - if (sii->pub.ccrev >= 35) - sii->pub.cccaps_ext = R_REG(&cc->capabilities_ext); + sii->pub.cccaps = bcma_read32(cc, CHIPCREGOFFS(capabilities)); /* get pmu rev and caps */ - if (sii->pub.cccaps & CC_CAP_PMU) { - sii->pub.pmucaps = R_REG(&cc->pmucapabilities); + if (ai_get_cccaps(&sii->pub) & CC_CAP_PMU) { + sii->pub.pmucaps = bcma_read32(cc, + CHIPCREGOFFS(pmucapabilities)); sii->pub.pmurev = sii->pub.pmucaps & PCAP_REV_MASK; } - /* figure out bus/orignal core idx */ - sii->pub.buscoretype = NODEV_CORE_ID; - sii->pub.buscorerev = NOREV; - sii->pub.buscoreidx = BADIDX; - - pci = pcie = false; - pcirev = pcierev = NOREV; - pciidx = pcieidx = BADIDX; - - for (i = 0; i < sii->numcores; i++) { + /* figure out buscore */ + list_for_each_entry(core, &cc->bus->cores, list) { uint cid, crev; - ai_setcoreidx(&sii->pub, i); - cid = ai_coreid(&sii->pub); - crev = ai_corerev(&sii->pub); + cid = core->id.id; + crev = core->id.rev; if (cid == PCI_CORE_ID) { - pciidx = i; - pcirev = crev; - pci = true; + pci = core; } else if (cid == PCIE_CORE_ID) { - pcieidx = i; - pcierev = crev; - pcie = true; + pcie = core; } - - /* find the core idx before entering this func. */ - if ((savewin && (savewin == sii->coresba[i])) || - (cc == sii->regs[i])) - *origidx = i; } if (pci && pcie) { if (ai_ispcie(sii)) - pci = false; + pci = NULL; else - pcie = false; + pcie = NULL; } if (pci) { - sii->pub.buscoretype = PCI_CORE_ID; - sii->pub.buscorerev = pcirev; - sii->pub.buscoreidx = pciidx; + sii->buscore = pci; } else if (pcie) { - sii->pub.buscoretype = PCIE_CORE_ID; - sii->pub.buscorerev = pcierev; - sii->pub.buscoreidx = pcieidx; + sii->buscore = pcie; } /* fixup necessary chip/core configurations */ - if (SI_FAST(sii)) { - if (!sii->pch) { - sii->pch = pcicore_init(&sii->pub, sii->pbus, - (__iomem void *)PCIEREGS(sii)); - if (sii->pch == NULL) - return false; - } + if (!sii->pch) { + sii->pch = pcicore_init(&sii->pub, sii->icbus->drv_pci.core); + if (sii->pch == NULL) + return false; } - if (ai_pci_fixcfg(&sii->pub)) { - /* si_doattach: si_pci_fixcfg failed */ + if (ai_pci_fixcfg(&sii->pub)) return false; - } - - /* return to the original core */ - ai_setcoreidx(&sii->pub, *origidx); return true; } @@ -1017,39 +551,27 @@ static __used void ai_nvram_process(struct si_info *sii) uint w = 0; /* do a pci config read to get subsystem id and subvendor id */ - pci_read_config_dword(sii->pbus, PCI_SUBSYSTEM_VENDOR_ID, &w); + pci_read_config_dword(sii->pcibus, PCI_SUBSYSTEM_VENDOR_ID, &w); sii->pub.boardvendor = w & 0xffff; sii->pub.boardtype = (w >> 16) & 0xffff; - sii->pub.boardflags = getintvar(&sii->pub, BRCMS_SROM_BOARDFLAGS); } static struct si_info *ai_doattach(struct si_info *sii, - void __iomem *regs, struct pci_dev *pbus) + struct bcma_bus *pbus) { struct si_pub *sih = &sii->pub; u32 w, savewin; - struct chipcregs __iomem *cc; + struct bcma_device *cc; uint socitype; - uint origidx; - - memset((unsigned char *) sii, 0, sizeof(struct si_info)); savewin = 0; - sih->buscoreidx = BADIDX; - - sii->curmap = regs; - sii->pbus = pbus; - - /* find Chipcommon address */ - pci_read_config_dword(sii->pbus, PCI_BAR0_WIN, &savewin); - if (!GOODCOREADDR(savewin, SI_ENUM_BASE)) - savewin = SI_ENUM_BASE; + sii->icbus = pbus; + sii->pcibus = pbus->host_pci; - pci_write_config_dword(sii->pbus, PCI_BAR0_WIN, - SI_ENUM_BASE); - cc = (struct chipcregs __iomem *) regs; + /* switch to Chipcommon core */ + cc = pbus->drv_cc.core; /* bus/core/clk setup for register access */ if (!ai_buscore_prep(sii)) @@ -1062,94 +584,74 @@ static struct si_info *ai_doattach(struct si_info *sii, * hosts w/o chipcommon), some way of recognizing them needs to * be added here. */ - w = R_REG(&cc->chipid); + w = bcma_read32(cc, CHIPCREGOFFS(chipid)); socitype = (w & CID_TYPE_MASK) >> CID_TYPE_SHIFT; /* Might as wll fill in chip id rev & pkg */ sih->chip = w & CID_ID_MASK; sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT; sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT; - sih->issim = false; - /* scan for cores */ - if (socitype == SOCI_AI) { - SI_MSG(("Found chip type AI (0x%08x)\n", w)); - /* pass chipc address instead of original core base */ - ai_scan(&sii->pub, cc); - } else { - /* Found chip of unknown type */ - return NULL; - } - /* no cores found, bail out */ - if (sii->numcores == 0) + if (socitype != SOCI_AI) return NULL; - /* bus/core/clk setup */ - origidx = SI_CC_IDX; - if (!ai_buscore_setup(sii, savewin, &origidx)) + SI_MSG("Found chip type AI (0x%08x)\n", w); + if (!ai_buscore_setup(sii, cc)) goto exit; /* Init nvram from sprom/otp if they exist */ - if (srom_var_init(&sii->pub, cc)) + if (srom_var_init(&sii->pub)) goto exit; ai_nvram_process(sii); /* === NVRAM, clock is ready === */ - cc = (struct chipcregs __iomem *) ai_setcore(sih, CC_CORE_ID, 0); - W_REG(&cc->gpiopullup, 0); - W_REG(&cc->gpiopulldown, 0); - ai_setcoreidx(sih, origidx); + bcma_write32(cc, CHIPCREGOFFS(gpiopullup), 0); + bcma_write32(cc, CHIPCREGOFFS(gpiopulldown), 0); /* PMU specific initializations */ - if (sih->cccaps & CC_CAP_PMU) { - u32 xtalfreq; + if (ai_get_cccaps(sih) & CC_CAP_PMU) { si_pmu_init(sih); - si_pmu_chip_init(sih); - - xtalfreq = si_pmu_measure_alpclk(sih); - si_pmu_pll_init(sih, xtalfreq); + (void)si_pmu_measure_alpclk(sih); si_pmu_res_init(sih); - si_pmu_swreg_init(sih); } /* setup the GPIO based LED powersave register */ w = getintvar(sih, BRCMS_SROM_LEDDC); if (w == 0) w = DEFAULT_GPIOTIMERVAL; - ai_corereg(sih, SI_CC_IDX, offsetof(struct chipcregs, gpiotimerval), - ~0, w); + ai_cc_reg(sih, offsetof(struct chipcregs, gpiotimerval), + ~0, w); - if (PCIE(sii)) + if (PCIE(sih)) pcicore_attach(sii->pch, SI_DOATTACH); - if (sih->chip == BCM43224_CHIP_ID) { + if (ai_get_chip_id(sih) == BCM43224_CHIP_ID) { /* * enable 12 mA drive strenth for 43224 and * set chipControl register bit 15 */ - if (sih->chiprev == 0) { - SI_MSG(("Applying 43224A0 WARs\n")); - ai_corereg(sih, SI_CC_IDX, - offsetof(struct chipcregs, chipcontrol), - CCTRL43224_GPIO_TOGGLE, - CCTRL43224_GPIO_TOGGLE); + if (ai_get_chiprev(sih) == 0) { + SI_MSG("Applying 43224A0 WARs\n"); + ai_cc_reg(sih, offsetof(struct chipcregs, chipcontrol), + CCTRL43224_GPIO_TOGGLE, + CCTRL43224_GPIO_TOGGLE); si_pmu_chipcontrol(sih, 0, CCTRL_43224A0_12MA_LED_DRIVE, CCTRL_43224A0_12MA_LED_DRIVE); } - if (sih->chiprev >= 1) { - SI_MSG(("Applying 43224B0+ WARs\n")); + if (ai_get_chiprev(sih) >= 1) { + SI_MSG("Applying 43224B0+ WARs\n"); si_pmu_chipcontrol(sih, 0, CCTRL_43224B0_12MA_LED_DRIVE, CCTRL_43224B0_12MA_LED_DRIVE); } } - if (sih->chip == BCM4313_CHIP_ID) { + if (ai_get_chip_id(sih) == BCM4313_CHIP_ID) { /* * enable 12 mA drive strenth for 4313 and * set chipControl register bit 1 */ - SI_MSG(("Applying 4313 WARs\n")); + SI_MSG("Applying 4313 WARs\n"); si_pmu_chipcontrol(sih, 0, CCTRL_4313_12MA_LED_DRIVE, CCTRL_4313_12MA_LED_DRIVE); } @@ -1165,22 +667,19 @@ static struct si_info *ai_doattach(struct si_info *sii, } /* - * Allocate a si handle. - * devid - pci device id (used to determine chip#) - * osh - opaque OS handle - * regs - virtual address of initial core registers + * Allocate a si handle and do the attach. */ struct si_pub * -ai_attach(void __iomem *regs, struct pci_dev *sdh) +ai_attach(struct bcma_bus *pbus) { struct si_info *sii; /* alloc struct si_info */ - sii = kmalloc(sizeof(struct si_info), GFP_ATOMIC); + sii = kzalloc(sizeof(struct si_info), GFP_ATOMIC); if (sii == NULL) return NULL; - if (ai_doattach(sii, regs, sdh) == NULL) { + if (ai_doattach(sii, pbus) == NULL) { kfree(sii); return NULL; } @@ -1209,292 +708,66 @@ void ai_detach(struct si_pub *sih) kfree(sii); } -/* register driver interrupt disabling and restoring callback functions */ -void -ai_register_intr_callback(struct si_pub *sih, void *intrsoff_fn, - void *intrsrestore_fn, - void *intrsenabled_fn, void *intr_arg) -{ - struct si_info *sii; - - sii = (struct si_info *)sih; - sii->intr_arg = intr_arg; - sii->intrsoff_fn = (u32 (*)(void *)) intrsoff_fn; - sii->intrsrestore_fn = (void (*) (void *, u32)) intrsrestore_fn; - sii->intrsenabled_fn = (bool (*)(void *)) intrsenabled_fn; - /* save current core id. when this function called, the current core - * must be the core which provides driver functions(il, et, wl, etc.) - */ - sii->dev_coreid = sii->coreid[sii->curidx]; -} - -void ai_deregister_intr_callback(struct si_pub *sih) -{ - struct si_info *sii; - - sii = (struct si_info *)sih; - sii->intrsoff_fn = NULL; -} - -uint ai_coreid(struct si_pub *sih) -{ - struct si_info *sii; - - sii = (struct si_info *)sih; - return sii->coreid[sii->curidx]; -} - -uint ai_coreidx(struct si_pub *sih) -{ - struct si_info *sii; - - sii = (struct si_info *)sih; - return sii->curidx; -} - -bool ai_backplane64(struct si_pub *sih) -{ - return (sih->cccaps & CC_CAP_BKPLN64) != 0; -} - /* return index of coreid or BADIDX if not found */ -uint ai_findcoreidx(struct si_pub *sih, uint coreid, uint coreunit) +struct bcma_device *ai_findcore(struct si_pub *sih, u16 coreid, u16 coreunit) { + struct bcma_device *core; struct si_info *sii; uint found; - uint i; sii = (struct si_info *)sih; found = 0; - for (i = 0; i < sii->numcores; i++) - if (sii->coreid[i] == coreid) { + list_for_each_entry(core, &sii->icbus->cores, list) + if (core->id.id == coreid) { if (found == coreunit) - return i; + return core; found++; } - return BADIDX; -} - -/* - * This function changes logical "focus" to the indicated core; - * must be called with interrupts off. - * Moreover, callers should keep interrupts off during switching - * out of and back to d11 core. - */ -void __iomem *ai_setcore(struct si_pub *sih, uint coreid, uint coreunit) -{ - uint idx; - - idx = ai_findcoreidx(sih, coreid, coreunit); - if (idx >= SI_MAXCORES) - return NULL; - - return ai_setcoreidx(sih, idx); -} - -/* Turn off interrupt as required by ai_setcore, before switch core */ -void __iomem *ai_switch_core(struct si_pub *sih, uint coreid, uint *origidx, - uint *intr_val) -{ - void __iomem *cc; - struct si_info *sii; - - sii = (struct si_info *)sih; - - if (SI_FAST(sii)) { - /* Overloading the origidx variable to remember the coreid, - * this works because the core ids cannot be confused with - * core indices. - */ - *origidx = coreid; - if (coreid == CC_CORE_ID) - return CCREGS_FAST(sii); - else if (coreid == sih->buscoretype) - return PCIEREGS(sii); - } - INTR_OFF(sii, *intr_val); - *origidx = sii->curidx; - cc = ai_setcore(sih, coreid, 0); - return cc; -} - -/* restore coreidx and restore interrupt */ -void ai_restore_core(struct si_pub *sih, uint coreid, uint intr_val) -{ - struct si_info *sii; - - sii = (struct si_info *)sih; - if (SI_FAST(sii) - && ((coreid == CC_CORE_ID) || (coreid == sih->buscoretype))) - return; - - ai_setcoreidx(sih, coreid); - INTR_RESTORE(sii, intr_val); -} - -void ai_write_wrapperreg(struct si_pub *sih, u32 offset, u32 val) -{ - struct si_info *sii = (struct si_info *)sih; - u32 *w = (u32 *) sii->curwrap; - W_REG(w + (offset / 4), val); - return; + return NULL; } /* - * Switch to 'coreidx', issue a single arbitrary 32bit register mask&set - * operation, switch back to the original core, and return the new value. - * - * When using the silicon backplane, no fiddling with interrupts or core - * switches is needed. - * - * Also, when using pci/pcie, we can optimize away the core switching for pci - * registers and (on newer pci cores) chipcommon registers. + * read/modify chipcommon core register. */ -uint ai_corereg(struct si_pub *sih, uint coreidx, uint regoff, uint mask, - uint val) +uint ai_cc_reg(struct si_pub *sih, uint regoff, u32 mask, u32 val) { - uint origidx = 0; - u32 __iomem *r = NULL; - uint w; - uint intr_val = 0; - bool fast = false; + struct bcma_device *cc; + u32 w; struct si_info *sii; sii = (struct si_info *)sih; - - if (coreidx >= SI_MAXCORES) - return 0; - - /* - * If pci/pcie, we can get at pci/pcie regs - * and on newer cores to chipc - */ - if ((sii->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sii)) { - /* Chipc registers are mapped at 12KB */ - fast = true; - r = (u32 __iomem *)((__iomem char *)sii->curmap + - PCI_16KB0_CCREGS_OFFSET + regoff); - } else if (sii->pub.buscoreidx == coreidx) { - /* - * pci registers are at either in the last 2KB of - * an 8KB window or, in pcie and pci rev 13 at 8KB - */ - fast = true; - if (SI_FAST(sii)) - r = (u32 __iomem *)((__iomem char *)sii->curmap + - PCI_16KB0_PCIREGS_OFFSET + regoff); - else - r = (u32 __iomem *)((__iomem char *)sii->curmap + - ((regoff >= SBCONFIGOFF) ? - PCI_BAR0_PCISBR_OFFSET : - PCI_BAR0_PCIREGS_OFFSET) + regoff); - } - - if (!fast) { - INTR_OFF(sii, intr_val); - - /* save current core index */ - origidx = ai_coreidx(&sii->pub); - - /* switch core */ - r = (u32 __iomem *) ((unsigned char __iomem *) - ai_setcoreidx(&sii->pub, coreidx) + regoff); - } + cc = sii->icbus->drv_cc.core; /* mask and set */ if (mask || val) { - w = (R_REG(r) & ~mask) | val; - W_REG(r, w); + bcma_maskset32(cc, regoff, ~mask, val); } /* readback */ - w = R_REG(r); - - if (!fast) { - /* restore core index */ - if (origidx != coreidx) - ai_setcoreidx(&sii->pub, origidx); - - INTR_RESTORE(sii, intr_val); - } + w = bcma_read32(cc, regoff); return w; } -void ai_core_disable(struct si_pub *sih, u32 bits) -{ - struct si_info *sii; - u32 dummy; - struct aidmp *ai; - - sii = (struct si_info *)sih; - - ai = sii->curwrap; - - /* if core is already in reset, just return */ - if (R_REG(&ai->resetctrl) & AIRC_RESET) - return; - - W_REG(&ai->ioctrl, bits); - dummy = R_REG(&ai->ioctrl); - udelay(10); - - W_REG(&ai->resetctrl, AIRC_RESET); - udelay(1); -} - -/* reset and re-enable a core - * inputs: - * bits - core specific bits that are set during and after reset sequence - * resetbits - core specific bits that are set only during reset sequence - */ -void ai_core_reset(struct si_pub *sih, u32 bits, u32 resetbits) -{ - struct si_info *sii; - struct aidmp *ai; - u32 dummy; - - sii = (struct si_info *)sih; - ai = sii->curwrap; - - /* - * Must do the disable sequence first to work - * for arbitrary current core state. - */ - ai_core_disable(sih, (bits | resetbits)); - - /* - * Now do the initialization sequence. - */ - W_REG(&ai->ioctrl, (bits | SICF_FGC | SICF_CLOCK_EN)); - dummy = R_REG(&ai->ioctrl); - W_REG(&ai->resetctrl, 0); - udelay(1); - - W_REG(&ai->ioctrl, (bits | SICF_CLOCK_EN)); - dummy = R_REG(&ai->ioctrl); - udelay(1); -} - /* return the slow clock source - LPO, XTAL, or PCI */ -static uint ai_slowclk_src(struct si_info *sii) +static uint ai_slowclk_src(struct si_pub *sih, struct bcma_device *cc) { - struct chipcregs __iomem *cc; + struct si_info *sii; u32 val; - if (sii->pub.ccrev < 6) { - pci_read_config_dword(sii->pbus, PCI_GPIO_OUT, + sii = (struct si_info *)sih; + if (ai_get_ccrev(&sii->pub) < 6) { + pci_read_config_dword(sii->pcibus, PCI_GPIO_OUT, &val); if (val & PCI_CFG_GPIO_SCS) return SCC_SS_PCI; return SCC_SS_XTAL; - } else if (sii->pub.ccrev < 10) { - cc = (struct chipcregs __iomem *) - ai_setcoreidx(&sii->pub, sii->curidx); - return R_REG(&cc->slow_clk_ctl) & SCC_SS_MASK; + } else if (ai_get_ccrev(&sii->pub) < 10) { + return bcma_read32(cc, CHIPCREGOFFS(slow_clk_ctl)) & + SCC_SS_MASK; } else /* Insta-clock */ return SCC_SS_XTAL; } @@ -1503,24 +776,24 @@ static uint ai_slowclk_src(struct si_info *sii) * return the ILP (slowclock) min or max frequency * precondition: we've established the chip has dynamic clk control */ -static uint ai_slowclk_freq(struct si_info *sii, bool max_freq, - struct chipcregs __iomem *cc) +static uint ai_slowclk_freq(struct si_pub *sih, bool max_freq, + struct bcma_device *cc) { u32 slowclk; uint div; - slowclk = ai_slowclk_src(sii); - if (sii->pub.ccrev < 6) { + slowclk = ai_slowclk_src(sih, cc); + if (ai_get_ccrev(sih) < 6) { if (slowclk == SCC_SS_PCI) return max_freq ? (PCIMAXFREQ / 64) : (PCIMINFREQ / 64); else return max_freq ? (XTALMAXFREQ / 32) : (XTALMINFREQ / 32); - } else if (sii->pub.ccrev < 10) { + } else if (ai_get_ccrev(sih) < 10) { div = 4 * - (((R_REG(&cc->slow_clk_ctl) & SCC_CD_MASK) >> - SCC_CD_SHIFT) + 1); + (((bcma_read32(cc, CHIPCREGOFFS(slow_clk_ctl)) & + SCC_CD_MASK) >> SCC_CD_SHIFT) + 1); if (slowclk == SCC_SS_LPO) return max_freq ? LPOMAXFREQ : LPOMINFREQ; else if (slowclk == SCC_SS_XTAL) @@ -1531,15 +804,15 @@ static uint ai_slowclk_freq(struct si_info *sii, bool max_freq, : (PCIMINFREQ / div); } else { /* Chipc rev 10 is InstaClock */ - div = R_REG(&cc->system_clk_ctl) >> SYCC_CD_SHIFT; - div = 4 * (div + 1); + div = bcma_read32(cc, CHIPCREGOFFS(system_clk_ctl)); + div = 4 * ((div >> SYCC_CD_SHIFT) + 1); return max_freq ? XTALMAXFREQ : (XTALMINFREQ / div); } return 0; } static void -ai_clkctl_setdelay(struct si_info *sii, struct chipcregs __iomem *cc) +ai_clkctl_setdelay(struct si_pub *sih, struct bcma_device *cc) { uint slowmaxfreq, pll_delay, slowclk; uint pll_on_delay, fref_sel_delay; @@ -1552,55 +825,40 @@ ai_clkctl_setdelay(struct si_info *sii, struct chipcregs __iomem *cc) * powered down by dynamic clk control logic. */ - slowclk = ai_slowclk_src(sii); + slowclk = ai_slowclk_src(sih, cc); if (slowclk != SCC_SS_XTAL) pll_delay += XTAL_ON_DELAY; /* Starting with 4318 it is ILP that is used for the delays */ slowmaxfreq = - ai_slowclk_freq(sii, (sii->pub.ccrev >= 10) ? false : true, cc); + ai_slowclk_freq(sih, + (ai_get_ccrev(sih) >= 10) ? false : true, cc); pll_on_delay = ((slowmaxfreq * pll_delay) + 999999) / 1000000; fref_sel_delay = ((slowmaxfreq * FREF_DELAY) + 999999) / 1000000; - W_REG(&cc->pll_on_delay, pll_on_delay); - W_REG(&cc->fref_sel_delay, fref_sel_delay); + bcma_write32(cc, CHIPCREGOFFS(pll_on_delay), pll_on_delay); + bcma_write32(cc, CHIPCREGOFFS(fref_sel_delay), fref_sel_delay); } /* initialize power control delay registers */ void ai_clkctl_init(struct si_pub *sih) { - struct si_info *sii; - uint origidx = 0; - struct chipcregs __iomem *cc; - bool fast; + struct bcma_device *cc; - if (!(sih->cccaps & CC_CAP_PWR_CTL)) + if (!(ai_get_cccaps(sih) & CC_CAP_PWR_CTL)) return; - sii = (struct si_info *)sih; - fast = SI_FAST(sii); - if (!fast) { - origidx = sii->curidx; - cc = (struct chipcregs __iomem *) - ai_setcore(sih, CC_CORE_ID, 0); - if (cc == NULL) - return; - } else { - cc = (struct chipcregs __iomem *) CCREGS_FAST(sii); - if (cc == NULL) - return; - } + cc = ai_findcore(sih, BCMA_CORE_CHIPCOMMON, 0); + if (cc == NULL) + return; /* set all Instaclk chip ILP to 1 MHz */ - if (sih->ccrev >= 10) - SET_REG(&cc->system_clk_ctl, SYCC_CD_MASK, - (ILP_DIV_1MHZ << SYCC_CD_SHIFT)); - - ai_clkctl_setdelay(sii, cc); + if (ai_get_ccrev(sih) >= 10) + bcma_maskset32(cc, CHIPCREGOFFS(system_clk_ctl), SYCC_CD_MASK, + (ILP_DIV_1MHZ << SYCC_CD_SHIFT)); - if (!fast) - ai_setcoreidx(sih, origidx); + ai_clkctl_setdelay(sih, cc); } /* @@ -1610,47 +868,25 @@ void ai_clkctl_init(struct si_pub *sih) u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih) { struct si_info *sii; - uint origidx = 0; - struct chipcregs __iomem *cc; + struct bcma_device *cc; uint slowminfreq; u16 fpdelay; - uint intr_val = 0; - bool fast; sii = (struct si_info *)sih; - if (sih->cccaps & CC_CAP_PMU) { - INTR_OFF(sii, intr_val); + if (ai_get_cccaps(sih) & CC_CAP_PMU) { fpdelay = si_pmu_fast_pwrup_delay(sih); - INTR_RESTORE(sii, intr_val); return fpdelay; } - if (!(sih->cccaps & CC_CAP_PWR_CTL)) + if (!(ai_get_cccaps(sih) & CC_CAP_PWR_CTL)) return 0; - fast = SI_FAST(sii); fpdelay = 0; - if (!fast) { - origidx = sii->curidx; - INTR_OFF(sii, intr_val); - cc = (struct chipcregs __iomem *) - ai_setcore(sih, CC_CORE_ID, 0); - if (cc == NULL) - goto done; - } else { - cc = (struct chipcregs __iomem *) CCREGS_FAST(sii); - if (cc == NULL) - goto done; - } - - slowminfreq = ai_slowclk_freq(sii, false, cc); - fpdelay = (((R_REG(&cc->pll_on_delay) + 2) * 1000000) + - (slowminfreq - 1)) / slowminfreq; - - done: - if (!fast) { - ai_setcoreidx(sih, origidx); - INTR_RESTORE(sii, intr_val); + cc = ai_findcore(sih, CC_CORE_ID, 0); + if (cc) { + slowminfreq = ai_slowclk_freq(sih, false, cc); + fpdelay = (((bcma_read32(cc, CHIPCREGOFFS(pll_on_delay)) + 2) + * 1000000) + (slowminfreq - 1)) / slowminfreq; } return fpdelay; } @@ -1664,12 +900,12 @@ int ai_clkctl_xtal(struct si_pub *sih, uint what, bool on) sii = (struct si_info *)sih; /* pcie core doesn't have any mapping to control the xtal pu */ - if (PCIE(sii)) + if (PCIE(sih)) return -1; - pci_read_config_dword(sii->pbus, PCI_GPIO_IN, &in); - pci_read_config_dword(sii->pbus, PCI_GPIO_OUT, &out); - pci_read_config_dword(sii->pbus, PCI_GPIO_OUTEN, &outen); + pci_read_config_dword(sii->pcibus, PCI_GPIO_IN, &in); + pci_read_config_dword(sii->pcibus, PCI_GPIO_OUT, &out); + pci_read_config_dword(sii->pcibus, PCI_GPIO_OUTEN, &outen); /* * Avoid glitching the clock if GPRS is already using it. @@ -1690,9 +926,9 @@ int ai_clkctl_xtal(struct si_pub *sih, uint what, bool on) out |= PCI_CFG_GPIO_XTAL; if (what & PLL) out |= PCI_CFG_GPIO_PLL; - pci_write_config_dword(sii->pbus, + pci_write_config_dword(sii->pcibus, PCI_GPIO_OUT, out); - pci_write_config_dword(sii->pbus, + pci_write_config_dword(sii->pcibus, PCI_GPIO_OUTEN, outen); udelay(XTAL_ON_DELAY); } @@ -1700,7 +936,7 @@ int ai_clkctl_xtal(struct si_pub *sih, uint what, bool on) /* turn pll on */ if (what & PLL) { out &= ~PCI_CFG_GPIO_PLL; - pci_write_config_dword(sii->pbus, + pci_write_config_dword(sii->pcibus, PCI_GPIO_OUT, out); mdelay(2); } @@ -1709,9 +945,9 @@ int ai_clkctl_xtal(struct si_pub *sih, uint what, bool on) out &= ~PCI_CFG_GPIO_XTAL; if (what & PLL) out |= PCI_CFG_GPIO_PLL; - pci_write_config_dword(sii->pbus, + pci_write_config_dword(sii->pcibus, PCI_GPIO_OUT, out); - pci_write_config_dword(sii->pbus, + pci_write_config_dword(sii->pcibus, PCI_GPIO_OUTEN, outen); } @@ -1721,63 +957,52 @@ int ai_clkctl_xtal(struct si_pub *sih, uint what, bool on) /* clk control mechanism through chipcommon, no policy checking */ static bool _ai_clkctl_cc(struct si_info *sii, uint mode) { - uint origidx = 0; - struct chipcregs __iomem *cc; + struct bcma_device *cc; u32 scc; - uint intr_val = 0; - bool fast = SI_FAST(sii); /* chipcommon cores prior to rev6 don't support dynamic clock control */ - if (sii->pub.ccrev < 6) + if (ai_get_ccrev(&sii->pub) < 6) return false; - if (!fast) { - INTR_OFF(sii, intr_val); - origidx = sii->curidx; - cc = (struct chipcregs __iomem *) - ai_setcore(&sii->pub, CC_CORE_ID, 0); - } else { - cc = (struct chipcregs __iomem *) CCREGS_FAST(sii); - if (cc == NULL) - goto done; - } + cc = ai_findcore(&sii->pub, BCMA_CORE_CHIPCOMMON, 0); - if (!(sii->pub.cccaps & CC_CAP_PWR_CTL) && (sii->pub.ccrev < 20)) - goto done; + if (!(ai_get_cccaps(&sii->pub) & CC_CAP_PWR_CTL) && + (ai_get_ccrev(&sii->pub) < 20)) + return mode == CLK_FAST; switch (mode) { case CLK_FAST: /* FORCEHT, fast (pll) clock */ - if (sii->pub.ccrev < 10) { + if (ai_get_ccrev(&sii->pub) < 10) { /* * don't forget to force xtal back * on before we clear SCC_DYN_XTAL.. */ ai_clkctl_xtal(&sii->pub, XTAL, ON); - SET_REG(&cc->slow_clk_ctl, - (SCC_XC | SCC_FS | SCC_IP), SCC_IP); - } else if (sii->pub.ccrev < 20) { - OR_REG(&cc->system_clk_ctl, SYCC_HR); + bcma_maskset32(cc, CHIPCREGOFFS(slow_clk_ctl), + (SCC_XC | SCC_FS | SCC_IP), SCC_IP); + } else if (ai_get_ccrev(&sii->pub) < 20) { + bcma_set32(cc, CHIPCREGOFFS(system_clk_ctl), SYCC_HR); } else { - OR_REG(&cc->clk_ctl_st, CCS_FORCEHT); + bcma_set32(cc, CHIPCREGOFFS(clk_ctl_st), CCS_FORCEHT); } /* wait for the PLL */ - if (sii->pub.cccaps & CC_CAP_PMU) { + if (ai_get_cccaps(&sii->pub) & CC_CAP_PMU) { u32 htavail = CCS_HTAVAIL; - SPINWAIT(((R_REG(&cc->clk_ctl_st) & htavail) - == 0), PMU_MAX_TRANSITION_DLY); + SPINWAIT(((bcma_read32(cc, CHIPCREGOFFS(clk_ctl_st)) & + htavail) == 0), PMU_MAX_TRANSITION_DLY); } else { udelay(PLL_DELAY); } break; case CLK_DYNAMIC: /* enable dynamic clock control */ - if (sii->pub.ccrev < 10) { - scc = R_REG(&cc->slow_clk_ctl); + if (ai_get_ccrev(&sii->pub) < 10) { + scc = bcma_read32(cc, CHIPCREGOFFS(slow_clk_ctl)); scc &= ~(SCC_FS | SCC_IP | SCC_XC); if ((scc & SCC_SS_MASK) != SCC_SS_XTAL) scc |= SCC_XC; - W_REG(&cc->slow_clk_ctl, scc); + bcma_write32(cc, CHIPCREGOFFS(slow_clk_ctl), scc); /* * for dynamic control, we have to @@ -1785,11 +1010,11 @@ static bool _ai_clkctl_cc(struct si_info *sii, uint mode) */ if (scc & SCC_XC) ai_clkctl_xtal(&sii->pub, XTAL, OFF); - } else if (sii->pub.ccrev < 20) { + } else if (ai_get_ccrev(&sii->pub) < 20) { /* Instaclock */ - AND_REG(&cc->system_clk_ctl, ~SYCC_HR); + bcma_mask32(cc, CHIPCREGOFFS(system_clk_ctl), ~SYCC_HR); } else { - AND_REG(&cc->clk_ctl_st, ~CCS_FORCEHT); + bcma_mask32(cc, CHIPCREGOFFS(clk_ctl_st), ~CCS_FORCEHT); } break; @@ -1797,11 +1022,6 @@ static bool _ai_clkctl_cc(struct si_info *sii, uint mode) break; } - done: - if (!fast) { - ai_setcoreidx(&sii->pub, origidx); - INTR_RESTORE(sii, intr_val); - } return mode == CLK_FAST; } @@ -1820,46 +1040,25 @@ bool ai_clkctl_cc(struct si_pub *sih, uint mode) sii = (struct si_info *)sih; /* chipcommon cores prior to rev6 don't support dynamic clock control */ - if (sih->ccrev < 6) + if (ai_get_ccrev(sih) < 6) return false; - if (PCI_FORCEHT(sii)) + if (PCI_FORCEHT(sih)) return mode == CLK_FAST; return _ai_clkctl_cc(sii, mode); } -/* Build device path */ -int ai_devpath(struct si_pub *sih, char *path, int size) -{ - int slen; - - if (!path || size <= 0) - return -1; - - slen = snprintf(path, (size_t) size, "pci/%u/%u/", - ((struct si_info *)sih)->pbus->bus->number, - PCI_SLOT(((struct pci_dev *) - (((struct si_info *)(sih))->pbus))->devfn)); - - if (slen < 0 || slen >= size) { - path[0] = '\0'; - return -1; - } - - return 0; -} - void ai_pci_up(struct si_pub *sih) { struct si_info *sii; sii = (struct si_info *)sih; - if (PCI_FORCEHT(sii)) + if (PCI_FORCEHT(sih)) _ai_clkctl_cc(sii, CLK_FAST); - if (PCIE(sii)) + if (PCIE(sih)) pcicore_up(sii->pch, SI_PCIUP); } @@ -1882,7 +1081,7 @@ void ai_pci_down(struct si_pub *sih) sii = (struct si_info *)sih; /* release FORCEHT since chip is going to "down" state */ - if (PCI_FORCEHT(sii)) + if (PCI_FORCEHT(sih)) _ai_clkctl_cc(sii, CLK_DYNAMIC); pcicore_down(sii->pch, SI_PCIDOWN); @@ -1895,42 +1094,23 @@ void ai_pci_down(struct si_pub *sih) void ai_pci_setup(struct si_pub *sih, uint coremask) { struct si_info *sii; - struct sbpciregs __iomem *regs = NULL; - u32 siflag = 0, w; - uint idx = 0; + u32 w; sii = (struct si_info *)sih; - if (PCI(sii)) { - /* get current core index */ - idx = sii->curidx; - - /* we interrupt on this backplane flag number */ - siflag = ai_flag(sih); - - /* switch over to pci core */ - regs = ai_setcoreidx(sih, sii->pub.buscoreidx); - } - /* * Enable sb->pci interrupts. Assume * PCI rev 2.3 support was added in pci core rev 6 and things changed.. */ - if (PCIE(sii) || (PCI(sii) && ((sii->pub.buscorerev) >= 6))) { + if (PCIE(sih) || (PCI(sih) && (ai_get_buscorerev(sih) >= 6))) { /* pci config write to set this core bit in PCIIntMask */ - pci_read_config_dword(sii->pbus, PCI_INT_MASK, &w); + pci_read_config_dword(sii->pcibus, PCI_INT_MASK, &w); w |= (coremask << PCI_SBIM_SHIFT); - pci_write_config_dword(sii->pbus, PCI_INT_MASK, w); - } else { - /* set sbintvec bit for our flag number */ - ai_setint(sih, siflag); + pci_write_config_dword(sii->pcibus, PCI_INT_MASK, w); } - if (PCI(sii)) { - pcicore_pci_setup(sii->pch, regs); - - /* switch back to previous core */ - ai_setcoreidx(sih, idx); + if (PCI(sih)) { + pcicore_pci_setup(sii->pch); } } @@ -1940,25 +1120,11 @@ void ai_pci_setup(struct si_pub *sih, uint coremask) */ int ai_pci_fixcfg(struct si_pub *sih) { - uint origidx; - void __iomem *regs = NULL; struct si_info *sii = (struct si_info *)sih; /* Fixup PI in SROM shadow area to enable the correct PCI core access */ - /* save the current index */ - origidx = ai_coreidx(&sii->pub); - /* check 'pi' is correct and fix it if not */ - regs = ai_setcore(&sii->pub, sii->pub.buscoretype, 0); - if (sii->pub.buscoretype == PCIE_CORE_ID) - pcicore_fixcfg_pcie(sii->pch, - (struct sbpcieregs __iomem *)regs); - else if (sii->pub.buscoretype == PCI_CORE_ID) - pcicore_fixcfg_pci(sii->pch, (struct sbpciregs __iomem *)regs); - - /* restore the original index */ - ai_setcoreidx(&sii->pub, origidx); - + pcicore_fixcfg(sii->pch); pcicore_hwup(sii->pch); return 0; } @@ -1969,58 +1135,42 @@ u32 ai_gpiocontrol(struct si_pub *sih, u32 mask, u32 val, u8 priority) uint regoff; regoff = offsetof(struct chipcregs, gpiocontrol); - return ai_corereg(sih, SI_CC_IDX, regoff, mask, val); + return ai_cc_reg(sih, regoff, mask, val); } void ai_chipcontrl_epa4331(struct si_pub *sih, bool on) { - struct si_info *sii; - struct chipcregs __iomem *cc; - uint origidx; + struct bcma_device *cc; u32 val; - sii = (struct si_info *)sih; - origidx = ai_coreidx(sih); - - cc = (struct chipcregs __iomem *) ai_setcore(sih, CC_CORE_ID, 0); - - val = R_REG(&cc->chipcontrol); + cc = ai_findcore(sih, CC_CORE_ID, 0); if (on) { - if (sih->chippkg == 9 || sih->chippkg == 0xb) + if (ai_get_chippkg(sih) == 9 || ai_get_chippkg(sih) == 0xb) /* Ext PA Controls for 4331 12x9 Package */ - W_REG(&cc->chipcontrol, val | - CCTRL4331_EXTPA_EN | - CCTRL4331_EXTPA_ON_GPIO2_5); + bcma_set32(cc, CHIPCREGOFFS(chipcontrol), + CCTRL4331_EXTPA_EN | + CCTRL4331_EXTPA_ON_GPIO2_5); else /* Ext PA Controls for 4331 12x12 Package */ - W_REG(&cc->chipcontrol, - val | CCTRL4331_EXTPA_EN); + bcma_set32(cc, CHIPCREGOFFS(chipcontrol), + CCTRL4331_EXTPA_EN); } else { val &= ~(CCTRL4331_EXTPA_EN | CCTRL4331_EXTPA_ON_GPIO2_5); - W_REG(&cc->chipcontrol, val); + bcma_mask32(cc, CHIPCREGOFFS(chipcontrol), + ~(CCTRL4331_EXTPA_EN | CCTRL4331_EXTPA_ON_GPIO2_5)); } - - ai_setcoreidx(sih, origidx); } /* Enable BT-COEX & Ex-PA for 4313 */ void ai_epa_4313war(struct si_pub *sih) { - struct si_info *sii; - struct chipcregs __iomem *cc; - uint origidx; + struct bcma_device *cc; - sii = (struct si_info *)sih; - origidx = ai_coreidx(sih); - - cc = ai_setcore(sih, CC_CORE_ID, 0); + cc = ai_findcore(sih, CC_CORE_ID, 0); /* EPA Fix */ - W_REG(&cc->gpiocontrol, - R_REG(&cc->gpiocontrol) | GPIO_CTRL_EPA_EN_MASK); - - ai_setcoreidx(sih, origidx); + bcma_set32(cc, CHIPCREGOFFS(gpiocontrol), GPIO_CTRL_EPA_EN_MASK); } /* check if the device is removed */ @@ -2031,7 +1181,7 @@ bool ai_deviceremoved(struct si_pub *sih) sii = (struct si_info *)sih; - pci_read_config_dword(sii->pbus, PCI_VENDOR_ID, &w); + pci_read_config_dword(sii->pcibus, PCI_VENDOR_ID, &w); if ((w & 0xFFFF) != PCI_VENDOR_ID_BROADCOM) return true; @@ -2040,26 +1190,23 @@ bool ai_deviceremoved(struct si_pub *sih) bool ai_is_sprom_available(struct si_pub *sih) { - if (sih->ccrev >= 31) { - struct si_info *sii; - uint origidx; - struct chipcregs __iomem *cc; + struct si_info *sii = (struct si_info *)sih; + + if (ai_get_ccrev(sih) >= 31) { + struct bcma_device *cc; u32 sromctrl; - if ((sih->cccaps & CC_CAP_SROM) == 0) + if ((ai_get_cccaps(sih) & CC_CAP_SROM) == 0) return false; - sii = (struct si_info *)sih; - origidx = sii->curidx; - cc = ai_setcoreidx(sih, SI_CC_IDX); - sromctrl = R_REG(&cc->sromcontrol); - ai_setcoreidx(sih, origidx); + cc = ai_findcore(sih, BCMA_CORE_CHIPCOMMON, 0); + sromctrl = bcma_read32(cc, CHIPCREGOFFS(sromcontrol)); return sromctrl & SRC_PRESENT; } - switch (sih->chip) { + switch (ai_get_chip_id(sih)) { case BCM4313_CHIP_ID: - return (sih->chipst & CST4313_SPROM_PRESENT) != 0; + return (sii->chipst & CST4313_SPROM_PRESENT) != 0; default: return true; } @@ -2067,9 +1214,11 @@ bool ai_is_sprom_available(struct si_pub *sih) bool ai_is_otp_disabled(struct si_pub *sih) { - switch (sih->chip) { + struct si_info *sii = (struct si_info *)sih; + + switch (ai_get_chip_id(sih)) { case BCM4313_CHIP_ID: - return (sih->chipst & CST4313_OTP_PRESENT) == 0; + return (sii->chipst & CST4313_OTP_PRESENT) == 0; /* These chips always have their OTP on */ case BCM43224_CHIP_ID: case BCM43225_CHIP_ID: @@ -2077,3 +1226,15 @@ bool ai_is_otp_disabled(struct si_pub *sih) return false; } } + +uint ai_get_buscoretype(struct si_pub *sih) +{ + struct si_info *sii = (struct si_info *)sih; + return sii->buscore->id.id; +} + +uint ai_get_buscorerev(struct si_pub *sih) +{ + struct si_info *sii = (struct si_info *)sih; + return sii->buscore->id.rev; +} |