// SPDX-License-Identifier: GPL-2.0-or-later /* * BCMA Fallback SPROM Driver * * Copyright (C) 2020 Álvaro Fernández Rojas * Copyright (C) 2014 Jonas Gorski * Copyright (C) 2008 Maxime Bizon * Copyright (C) 2008 Florian Fainelli */ #include #include #include #include #include #include #include #include #define BCMA_FBS_MAX_SIZE 468 /* Get the word-offset for a SSB_SPROM_XXX define. */ #define SPOFF(offset) ((offset) / sizeof(u16)) /* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */ #define SPEX16(_outvar, _offset, _mask, _shift) \ out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift)) #define SPEX32(_outvar, _offset, _mask, _shift) \ out->_outvar = ((((u32)in[SPOFF((_offset)+2)] << 16 | \ in[SPOFF(_offset)]) & (_mask)) >> (_shift)) #define SPEX(_outvar, _offset, _mask, _shift) \ SPEX16(_outvar, _offset, _mask, _shift) #define SPEX_ARRAY8(_field, _offset, _mask, _shift) \ do { \ SPEX(_field[0], _offset + 0, _mask, _shift); \ SPEX(_field[1], _offset + 2, _mask, _shift); \ SPEX(_field[2], _offset + 4, _mask, _shift); \ SPEX(_field[3], _offset + 6, _mask, _shift); \ SPEX(_field[4], _offset + 8, _mask, _shift); \ SPEX(_field[5], _offset + 10, _mask, _shift); \ SPEX(_field[6], _offset + 12, _mask, _shift); \ SPEX(_field[7], _offset + 14, _mask, _shift); \ } while (0) struct bcma_fbs { struct device *dev; struct list_head list; struct ssb_sprom sprom; u32 pci_bus; u32 pci_dev; bool devid_override; }; static DEFINE_SPINLOCK(bcma_fbs_lock); static struct list_head bcma_fbs_list = LIST_HEAD_INIT(bcma_fbs_list); int bcma_get_fallback_sprom(struct bcma_bus *bus, struct ssb_sprom *out) { const u32 pci_bus = bus->host_pci->bus->number; const u32 pci_dev = PCI_SLOT(bus->host_pci->devfn); struct bcma_fbs *pos; list_for_each_entry(pos, &bcma_fbs_list, list) { if (pos->pci_bus != pci_bus || pos->pci_dev != pci_dev) continue; if (pos->devid_override) bus->host_pci->device = pos->sprom.dev_id; memcpy(out, &pos->sprom, sizeof(struct ssb_sprom)); dev_info(pos->dev, "requested by [%x:%x]", pos->pci_bus, pos->pci_dev); return 0; } pr_err("unable to fill SPROM for [%x:%x]\n", pci_bus, pci_dev); return -EINVAL; } static s8 sprom_extract_antgain(u8 sprom_revision, const u16 *in, u16 offset, u16 mask, u16 shift) { u16 v; u8 gain; v = in[SPOFF(offset)]; gain = (v & mask) >> shift; if (gain == 0xFF) gain = 2; /* If unset use 2dBm */ if (sprom_revision == 1) { /* Convert to Q5.2 */ gain <<= 2; } else { /* Q5.2 Fractional part is stored in 0xC0 */ gain = ((gain & 0xC0) >> 6) | ((gain & 0x3F) << 2); } return (s8)gain; } static void sprom_extract_r23(struct ssb_sprom *out, const u16 *in) { SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0); SPEX(opo, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0); SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0); SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0); SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0); SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0); SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0); SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0); SPEX(maxpwr_ah, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0); SPEX(maxpwr_al, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO, SSB_SPROM2_MAXP_A_LO_SHIFT); } static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in) { u16 loc[3]; if (out->revision == 3) /* rev 3 moved MAC */ loc[0] = SSB_SPROM3_IL0MAC; else { loc[0] = SSB_SPROM1_IL0MAC; loc[1] = SSB_SPROM1_ET0MAC; loc[2] = SSB_SPROM1_ET1MAC; } SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0); SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A, SSB_SPROM1_ETHPHY_ET1A_SHIFT); SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14); SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15); SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0); SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0); if (out->revision == 1) SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE, SSB_SPROM1_BINF_CCODE_SHIFT); SPEX(ant_available_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA, SSB_SPROM1_BINF_ANTA_SHIFT); SPEX(ant_available_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG, SSB_SPROM1_BINF_ANTBG_SHIFT); SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0); SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0); SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0); SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0); SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0); SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0); SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0); SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1, SSB_SPROM1_GPIOA_P1_SHIFT); SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0); SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3, SSB_SPROM1_GPIOB_P3_SHIFT); SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A, SSB_SPROM1_MAXPWR_A_SHIFT); SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG, 0); SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A, SSB_SPROM1_ITSSI_A_SHIFT); SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0); SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0); SPEX(alpha2[0], SSB_SPROM1_CCODE, 0xff00, 8); SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0); /* Extract the antenna gain values. */ out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_BG, SSB_SPROM1_AGAIN_BG_SHIFT); out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_A, SSB_SPROM1_AGAIN_A_SHIFT); if (out->revision >= 2) sprom_extract_r23(out, in); } /* Revs 4 5 and 8 have partially shared layout */ static void sprom_extract_r458(struct ssb_sprom *out, const u16 *in) { SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01, SSB_SPROM4_TXPID2G0, SSB_SPROM4_TXPID2G0_SHIFT); SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01, SSB_SPROM4_TXPID2G1, SSB_SPROM4_TXPID2G1_SHIFT); SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23, SSB_SPROM4_TXPID2G2, SSB_SPROM4_TXPID2G2_SHIFT); SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23, SSB_SPROM4_TXPID2G3, SSB_SPROM4_TXPID2G3_SHIFT); SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01, SSB_SPROM4_TXPID5GL0, SSB_SPROM4_TXPID5GL0_SHIFT); SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01, SSB_SPROM4_TXPID5GL1, SSB_SPROM4_TXPID5GL1_SHIFT); SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23, SSB_SPROM4_TXPID5GL2, SSB_SPROM4_TXPID5GL2_SHIFT); SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23, SSB_SPROM4_TXPID5GL3, SSB_SPROM4_TXPID5GL3_SHIFT); SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01, SSB_SPROM4_TXPID5G0, SSB_SPROM4_TXPID5G0_SHIFT); SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01, SSB_SPROM4_TXPID5G1, SSB_SPROM4_TXPID5G1_SHIFT); SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23, SSB_SPROM4_TXPID5G2, SSB_SPROM4_TXPID5G2_SHIFT); SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23, SSB_SPROM4_TXPID5G3, SSB_SPROM4_TXPID5G3_SHIFT); SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01, SSB_SPROM4_TXPID5GH0, SSB_SPROM4_TXPID5GH0_SHIFT); SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01, SSB_SPROM4_TXPID5GH1, SSB_SPROM4_TXPID5GH1_SHIFT); SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23, SSB_SPROM4_TXPID5GH2, SSB_SPROM4_TXPID5GH2_SHIFT); SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23, SSB_SPROM4_TXPID5GH3, SSB_SPROM4_TXPID5GH3_SHIFT); } static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in) { static const u16 pwr_info_offset[] = { SSB_SPROM4_PWR_INFO_CORE0, SSB_SPROM4_PWR_INFO_CORE1, SSB_SPROM4_PWR_INFO_CORE2, SSB_SPROM4_PWR_INFO_CORE3 }; int i; BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) != ARRAY_SIZE(out->core_pwr_info)); SPEX(et0phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET0A, 0); SPEX(et1phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET1A, SSB_SPROM4_ETHPHY_ET1A_SHIFT); SPEX(board_rev, SSB_SPROM4_BOARDREV, 0xFFFF, 0); SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0); if (out->revision == 4) { SPEX(alpha2[0], SSB_SPROM4_CCODE, 0xff00, 8); SPEX(alpha2[1], SSB_SPROM4_CCODE, 0x00ff, 0); SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0); SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0); SPEX(boardflags2_lo, SSB_SPROM4_BFL2LO, 0xFFFF, 0); SPEX(boardflags2_hi, SSB_SPROM4_BFL2HI, 0xFFFF, 0); } else { SPEX(alpha2[0], SSB_SPROM5_CCODE, 0xff00, 8); SPEX(alpha2[1], SSB_SPROM5_CCODE, 0x00ff, 0); SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0); SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 0xFFFF, 0); SPEX(boardflags2_lo, SSB_SPROM5_BFL2LO, 0xFFFF, 0); SPEX(boardflags2_hi, SSB_SPROM5_BFL2HI, 0xFFFF, 0); } SPEX(ant_available_a, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_A, SSB_SPROM4_ANTAVAIL_A_SHIFT); SPEX(ant_available_bg, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_BG, SSB_SPROM4_ANTAVAIL_BG_SHIFT); SPEX(maxpwr_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_MAXP_BG_MASK, 0); SPEX(itssi_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_ITSSI_BG, SSB_SPROM4_ITSSI_BG_SHIFT); SPEX(maxpwr_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_MAXP_A_MASK, 0); SPEX(itssi_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_ITSSI_A, SSB_SPROM4_ITSSI_A_SHIFT); if (out->revision == 4) { SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0); SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1, SSB_SPROM4_GPIOA_P1_SHIFT); SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0); SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3, SSB_SPROM4_GPIOB_P3_SHIFT); } else { SPEX(gpio0, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P0, 0); SPEX(gpio1, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P1, SSB_SPROM5_GPIOA_P1_SHIFT); SPEX(gpio2, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P2, 0); SPEX(gpio3, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P3, SSB_SPROM5_GPIOB_P3_SHIFT); } /* Extract the antenna gain values. */ out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, SSB_SPROM4_AGAIN01, SSB_SPROM4_AGAIN0, SSB_SPROM4_AGAIN0_SHIFT); out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, SSB_SPROM4_AGAIN01, SSB_SPROM4_AGAIN1, SSB_SPROM4_AGAIN1_SHIFT); out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in, SSB_SPROM4_AGAIN23, SSB_SPROM4_AGAIN2, SSB_SPROM4_AGAIN2_SHIFT); out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in, SSB_SPROM4_AGAIN23, SSB_SPROM4_AGAIN3, SSB_SPROM4_AGAIN3_SHIFT); /* Extract cores power info info */ for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) { u16 o = pwr_info_offset[i]; SPEX(core_pwr_info[i].itssi_2g, o + SSB_SPROM4_2G_MAXP_ITSSI, SSB_SPROM4_2G_ITSSI, SSB_SPROM4_2G_ITSSI_SHIFT); SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SPROM4_2G_MAXP_ITSSI, SSB_SPROM4_2G_MAXP, 0); SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SPROM4_2G_PA_0, ~0, 0); SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SPROM4_2G_PA_1, ~0, 0); SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SPROM4_2G_PA_2, ~0, 0); SPEX(core_pwr_info[i].pa_2g[3], o + SSB_SPROM4_2G_PA_3, ~0, 0); SPEX(core_pwr_info[i].itssi_5g, o + SSB_SPROM4_5G_MAXP_ITSSI, SSB_SPROM4_5G_ITSSI, SSB_SPROM4_5G_ITSSI_SHIFT); SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SPROM4_5G_MAXP_ITSSI, SSB_SPROM4_5G_MAXP, 0); SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM4_5GHL_MAXP, SSB_SPROM4_5GH_MAXP, 0); SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM4_5GHL_MAXP, SSB_SPROM4_5GL_MAXP, SSB_SPROM4_5GL_MAXP_SHIFT); SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SPROM4_5GL_PA_0, ~0, 0); SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SPROM4_5GL_PA_1, ~0, 0); SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SPROM4_5GL_PA_2, ~0, 0); SPEX(core_pwr_info[i].pa_5gl[3], o + SSB_SPROM4_5GL_PA_3, ~0, 0); SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SPROM4_5G_PA_0, ~0, 0); SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SPROM4_5G_PA_1, ~0, 0); SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SPROM4_5G_PA_2, ~0, 0); SPEX(core_pwr_info[i].pa_5g[3], o + SSB_SPROM4_5G_PA_3, ~0, 0); SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SPROM4_5GH_PA_0, ~0, 0); SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SPROM4_5GH_PA_1, ~0, 0); SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SPROM4_5GH_PA_2, ~0, 0); SPEX(core_pwr_info[i].pa_5gh[3], o + SSB_SPROM4_5GH_PA_3, ~0, 0); } sprom_extract_r458(out, in); /* TODO - get remaining rev 4 stuff needed */ } static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in) { int i; u16 o; static const u16 pwr_info_offset[] = { SSB_SROM8_PWR_INFO_CORE0, SSB_SROM8_PWR_INFO_CORE1, SSB_SROM8_PWR_INFO_CORE2, SSB_SROM8_PWR_INFO_CORE3 }; BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) != ARRAY_SIZE(out->core_pwr_info)); SPEX(board_rev, SSB_SPROM8_BOARDREV, 0xFFFF, 0); SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0); SPEX(alpha2[0], SSB_SPROM8_CCODE, 0xff00, 8); SPEX(alpha2[1], SSB_SPROM8_CCODE, 0x00ff, 0); SPEX(boardflags_lo, SSB_SPROM8_BFLLO, 0xFFFF, 0); SPEX(boardflags_hi, SSB_SPROM8_BFLHI, 0xFFFF, 0); SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, 0xFFFF, 0); SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, 0xFFFF, 0); SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A, SSB_SPROM8_ANTAVAIL_A_SHIFT); SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG, SSB_SPROM8_ANTAVAIL_BG_SHIFT); SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0); SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG, SSB_SPROM8_ITSSI_BG_SHIFT); SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0); SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A, SSB_SPROM8_ITSSI_A_SHIFT); SPEX(maxpwr_ah, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AH_MASK, 0); SPEX(maxpwr_al, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AL_MASK, SSB_SPROM8_MAXP_AL_SHIFT); SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0); SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1, SSB_SPROM8_GPIOA_P1_SHIFT); SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0); SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3, SSB_SPROM8_GPIOB_P3_SHIFT); SPEX(tri2g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI2G, 0); SPEX(tri5g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI5G, SSB_SPROM8_TRI5G_SHIFT); SPEX(tri5gl, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GL, 0); SPEX(tri5gh, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GH, SSB_SPROM8_TRI5GH_SHIFT); SPEX(rxpo2g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO2G, 0); SPEX(rxpo5g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO5G, SSB_SPROM8_RXPO5G_SHIFT); SPEX(rssismf2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMF2G, 0); SPEX(rssismc2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMC2G, SSB_SPROM8_RSSISMC2G_SHIFT); SPEX(rssisav2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISAV2G, SSB_SPROM8_RSSISAV2G_SHIFT); SPEX(bxa2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_BXA2G, SSB_SPROM8_BXA2G_SHIFT); SPEX(rssismf5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMF5G, 0); SPEX(rssismc5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMC5G, SSB_SPROM8_RSSISMC5G_SHIFT); SPEX(rssisav5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISAV5G, SSB_SPROM8_RSSISAV5G_SHIFT); SPEX(bxa5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_BXA5G, SSB_SPROM8_BXA5G_SHIFT); SPEX(pa0b0, SSB_SPROM8_PA0B0, 0xFFFF, 0); SPEX(pa0b1, SSB_SPROM8_PA0B1, 0xFFFF, 0); SPEX(pa0b2, SSB_SPROM8_PA0B2, 0xFFFF, 0); SPEX(pa1b0, SSB_SPROM8_PA1B0, 0xFFFF, 0); SPEX(pa1b1, SSB_SPROM8_PA1B1, 0xFFFF, 0); SPEX(pa1b2, SSB_SPROM8_PA1B2, 0xFFFF, 0); SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, 0xFFFF, 0); SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, 0xFFFF, 0); SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, 0xFFFF, 0); SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, 0xFFFF, 0); SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, 0xFFFF, 0); SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, 0xFFFF, 0); SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, 0xFFFF, 0); SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, 0xFFFFFFFF, 0); SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, 0xFFFFFFFF, 0); SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, 0xFFFFFFFF, 0); SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, 0xFFFFFFFF, 0); /* Extract the antenna gain values. */ out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, SSB_SPROM8_AGAIN01, SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT); out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, SSB_SPROM8_AGAIN01, SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT); out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in, SSB_SPROM8_AGAIN23, SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT); out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in, SSB_SPROM8_AGAIN23, SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_SHIFT); /* Extract cores power info info */ for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) { o = pwr_info_offset[i]; SPEX(core_pwr_info[i].itssi_2g, o + SSB_SROM8_2G_MAXP_ITSSI, SSB_SPROM8_2G_ITSSI, SSB_SPROM8_2G_ITSSI_SHIFT); SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SROM8_2G_MAXP_ITSSI, SSB_SPROM8_2G_MAXP, 0); SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SROM8_2G_PA_0, ~0, 0); SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SROM8_2G_PA_1, ~0, 0); SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SROM8_2G_PA_2, ~0, 0); SPEX(core_pwr_info[i].itssi_5g, o + SSB_SROM8_5G_MAXP_ITSSI, SSB_SPROM8_5G_ITSSI, SSB_SPROM8_5G_ITSSI_SHIFT); SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SROM8_5G_MAXP_ITSSI, SSB_SPROM8_5G_MAXP, 0); SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM8_5GHL_MAXP, SSB_SPROM8_5GH_MAXP, 0); SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM8_5GHL_MAXP, SSB_SPROM8_5GL_MAXP, SSB_SPROM8_5GL_MAXP_SHIFT); SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SROM8_5GL_PA_0, ~0, 0); SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SROM8_5GL_PA_1, ~0, 0); SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SROM8_5GL_PA_2, ~0, 0); SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SROM8_5G_PA_0, ~0, 0); SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SROM8_5G_PA_1, ~0, 0); SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SROM8_5G_PA_2, ~0, 0); SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SROM8_5GH_PA_0, ~0, 0); SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SROM8_5GH_PA_1, ~0, 0); SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SROM8_5GH_PA_2, ~0, 0); } /* Extract FEM info */ SPEX(fem.ghz2.tssipos, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT); SPEX(fem.ghz2.extpa_gain, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT); SPEX(fem.ghz2.pdet_range, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT); SPEX(fem.ghz2.tr_iso, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT); SPEX(fem.ghz2.antswlut, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT); SPEX(fem.ghz5.tssipos, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT); SPEX(fem.ghz5.extpa_gain, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT); SPEX(fem.ghz5.pdet_range, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT); SPEX(fem.ghz5.tr_iso, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT); SPEX(fem.ghz5.antswlut, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT); SPEX(leddc_on_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_ON, SSB_SPROM8_LEDDC_ON_SHIFT); SPEX(leddc_off_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_OFF, SSB_SPROM8_LEDDC_OFF_SHIFT); SPEX(txchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_TXCHAIN, SSB_SPROM8_TXRXC_TXCHAIN_SHIFT); SPEX(rxchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_RXCHAIN, SSB_SPROM8_TXRXC_RXCHAIN_SHIFT); SPEX(antswitch, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_SWITCH, SSB_SPROM8_TXRXC_SWITCH_SHIFT); SPEX(opo, SSB_SPROM8_OFDM2GPO, 0x00ff, 0); SPEX_ARRAY8(mcs2gpo, SSB_SPROM8_2G_MCSPO, ~0, 0); SPEX_ARRAY8(mcs5gpo, SSB_SPROM8_5G_MCSPO, ~0, 0); SPEX_ARRAY8(mcs5glpo, SSB_SPROM8_5GL_MCSPO, ~0, 0); SPEX_ARRAY8(mcs5ghpo, SSB_SPROM8_5GH_MCSPO, ~0, 0); SPEX(rawtempsense, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_RAWTEMP, SSB_SPROM8_RAWTS_RAWTEMP_SHIFT); SPEX(measpower, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_MEASPOWER, SSB_SPROM8_RAWTS_MEASPOWER_SHIFT); SPEX(tempsense_slope, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMP_SLOPE, SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT); SPEX(tempcorrx, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMPCORRX, SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT); SPEX(tempsense_option, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMP_OPTION, SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT); SPEX(freqoffset_corr, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR, SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT); SPEX(iqcal_swp_dis, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP, SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT); SPEX(hw_iqcal_en, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT); SPEX(bw40po, SSB_SPROM8_BW40PO, ~0, 0); SPEX(cddpo, SSB_SPROM8_CDDPO, ~0, 0); SPEX(stbcpo, SSB_SPROM8_STBCPO, ~0, 0); SPEX(bwduppo, SSB_SPROM8_BWDUPPO, ~0, 0); SPEX(tempthresh, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_TRESH, SSB_SPROM8_THERMAL_TRESH_SHIFT); SPEX(tempoffset, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_OFFSET, SSB_SPROM8_THERMAL_OFFSET_SHIFT); SPEX(phycal_tempdelta, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_PHYCAL, SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT); SPEX(temps_period, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_PERIOD, SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT); SPEX(temps_hysteresis, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_HYSTERESIS, SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT); sprom_extract_r458(out, in); /* TODO - get remaining rev 8 stuff needed */ } static int sprom_extract(struct bcma_fbs *priv, const u16 *in, u16 size) { struct ssb_sprom *out = &priv->sprom; memset(out, 0, sizeof(*out)); out->revision = in[size - 1] & 0x00FF; memset(out->et0mac, 0xFF, 6); memset(out->et1mac, 0xFF, 6); switch (out->revision) { case 1: case 2: case 3: sprom_extract_r123(out, in); break; case 4: case 5: sprom_extract_r45(out, in); break; case 8: sprom_extract_r8(out, in); break; default: dev_warn(priv->dev, "Unsupported SPROM revision %d detected." " Will extract v1\n", out->revision); out->revision = 1; sprom_extract_r123(out, in); } if (out->boardflags_lo == 0xFFFF) out->boardflags_lo = 0; /* per specs */ if (out->boardflags_hi == 0xFFFF) out->boardflags_hi = 0; /* per specs */ return 0; } static void bcma_fbs_fixup(struct bcma_fbs *priv, u16 *sprom) { struct device_node *node = priv->dev->of_node; u32 fixups, off, val; int i = 0; if (!of_get_property(node, "brcm,sprom-fixups", &fixups)) return; fixups /= sizeof(u32); dev_info(priv->dev, "patching SPROM with %u fixups...\n", fixups >> 1); while (i < fixups) { if (of_property_read_u32_index(node, "brcm,sprom-fixups", i++, &off)) { dev_err(priv->dev, "error reading fixup[%u] offset\n", i - 1); return; } if (of_property_read_u32_index(node, "brcm,sprom-fixups", i++, &val)) { dev_err(priv->dev, "error reading fixup[%u] value\n", i - 1); return; } dev_dbg(priv->dev, "fixup[%d]=0x%04x\n", off, val); sprom[off] = val; } } static bool sprom_override_devid(struct bcma_fbs *priv, struct ssb_sprom *out, const u16 *in) { SPEX(dev_id, 0x0060, 0xFFFF, 0); return !!out->dev_id; } static void bcma_fbs_set(struct bcma_fbs *priv, struct device_node *node) { struct ssb_sprom *sprom = &priv->sprom; const struct firmware *fw; const char *sprom_name; int err; if (of_property_read_string(node, "brcm,sprom", &sprom_name)) sprom_name = NULL; if (sprom_name) { err = request_firmware_direct(&fw, sprom_name, priv->dev); if (err) dev_err(priv->dev, "%s load error\n", sprom_name); } else { err = -ENOENT; } if (err) { sprom->revision = 0x02; sprom->board_rev = 0x0017; sprom->country_code = 0x00; sprom->ant_available_bg = 0x03; sprom->pa0b0 = 0x15ae; sprom->pa0b1 = 0xfa85; sprom->pa0b2 = 0xfe8d; sprom->pa1b0 = 0xffff; sprom->pa1b1 = 0xffff; sprom->pa1b2 = 0xffff; sprom->gpio0 = 0xff; sprom->gpio1 = 0xff; sprom->gpio2 = 0xff; sprom->gpio3 = 0xff; sprom->maxpwr_bg = 0x4c; sprom->itssi_bg = 0x00; sprom->boardflags_lo = 0x2848; sprom->boardflags_hi = 0x0000; priv->devid_override = false; dev_warn(priv->dev, "using basic SPROM\n"); } else { size_t size = min(fw->size, (size_t) BCMA_FBS_MAX_SIZE); u16 tmp_sprom[BCMA_FBS_MAX_SIZE >> 1]; u32 i, j; for (i = 0, j = 0; i < size; i += 2, j++) tmp_sprom[j] = (fw->data[i] << 8) | fw->data[i + 1]; release_firmware(fw); bcma_fbs_fixup(priv, tmp_sprom); sprom_extract(priv, tmp_sprom, size >> 1); priv->devid_override = sprom_override_devid(priv, sprom, tmp_sprom); } } static int bcma_fbs_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *node = dev->of_node; struct bcma_fbs *priv; unsigned long flags; u8 mac[ETH_ALEN]; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; priv->dev = dev; bcma_fbs_set(priv, node); of_property_read_u32(node, "pci-bus", &priv->pci_bus); of_property_read_u32(node, "pci-dev", &priv->pci_dev); of_get_mac_address(node, mac); if (is_valid_ether_addr(mac)) { dev_info(dev, "mtd mac %pM\n", mac); } else { random_ether_addr(mac); dev_info(dev, "random mac %pM\n", mac); } memcpy(priv->sprom.il0mac, mac, ETH_ALEN); memcpy(priv->sprom.et0mac, mac, ETH_ALEN); memcpy(priv->sprom.et1mac, mac, ETH_ALEN); memcpy(priv->sprom.et2mac, mac, ETH_ALEN); spin_lock_irqsave(&bcma_fbs_lock, flags); list_add(&priv->list, &bcma_fbs_list); spin_unlock_irqrestore(&bcma_fbs_lock, flags); dev_info(dev, "registered SPROM for [%x:%x]\n", priv->pci_bus, priv->pci_dev); return 0; } static const struct of_device_id bcma_fbs_of_match[] = { { .compatible = "brcm,bcma-sprom", }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, bcma_fbs_of_match); static struct platform_driver bcma_fbs_driver = { .probe = bcma_fbs_probe, .driver = { .name = "bcma-sprom", .of_match_table = bcma_fbs_of_match, }, }; int __init bcma_fbs_register(void) { return platform_driver_register(&bcma_fbs_driver); }