diff options
Diffstat (limited to 'drivers/ssb/pci.c')
| -rw-r--r-- | drivers/ssb/pci.c | 76 |
1 files changed, 65 insertions, 11 deletions
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c index 9777dcb5bfe..ed2a3875227 100644 --- a/drivers/ssb/pci.c +++ b/drivers/ssb/pci.c @@ -247,7 +247,7 @@ static void sprom_do_read(struct ssb_bus *bus, u16 *sprom) int i; for (i = 0; i < bus->sprom_size; i++) - sprom[i] = readw(bus->mmio + SSB_SPROM_BASE + (i * 2)); + sprom[i] = ioread16(bus->mmio + SSB_SPROM_BASE + (i * 2)); } static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom) @@ -297,10 +297,32 @@ err_ctlreg: return err; } +static s8 r123_extract_antgain(u8 sprom_revision, const u16 *in, + u16 mask, u16 shift) +{ + u16 v; + u8 gain; + + v = in[SPOFF(SSB_SPROM1_AGAIN)]; + 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_r123(struct ssb_sprom *out, const u16 *in) { int i; u16 v; + s8 gain; u16 loc[3]; if (out->revision == 3) { /* rev 3 moved MAC */ @@ -327,8 +349,15 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in) 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(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); @@ -348,9 +377,22 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in) 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(antenna_gain_a, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_A, 0); - SPEX(antenna_gain_bg, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_BG, - SSB_SPROM1_AGAIN_BG_SHIFT); + + /* Extract the antenna gain values. */ + gain = r123_extract_antgain(out->revision, in, + SSB_SPROM1_AGAIN_BG, + SSB_SPROM1_AGAIN_BG_SHIFT); + out->antenna_gain.ghz24.a0 = gain; + out->antenna_gain.ghz24.a1 = gain; + out->antenna_gain.ghz24.a2 = gain; + out->antenna_gain.ghz24.a3 = gain; + gain = r123_extract_antgain(out->revision, in, + SSB_SPROM1_AGAIN_A, + SSB_SPROM1_AGAIN_A_SHIFT); + out->antenna_gain.ghz5.a0 = gain; + out->antenna_gain.ghz5.a1 = gain; + out->antenna_gain.ghz5.a2 = gain; + out->antenna_gain.ghz5.a3 = gain; } static void sprom_extract_r4(struct ssb_sprom *out, const u16 *in) @@ -376,9 +418,10 @@ static void sprom_extract_r4(struct ssb_sprom *out, const u16 *in) SSB_SPROM4_ETHPHY_ET1A_SHIFT); SPEX(country_code, SSB_SPROM4_CCODE, 0xFFFF, 0); SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0); - SPEX(antenna_gain_a, SSB_SPROM4_AGAIN, SSB_SPROM4_AGAIN_0, 0); - SPEX(antenna_gain_bg, SSB_SPROM4_AGAIN, SSB_SPROM4_AGAIN_1, - SSB_SPROM4_AGAIN_1_SHIFT); + 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); @@ -391,6 +434,19 @@ static void sprom_extract_r4(struct ssb_sprom *out, const u16 *in) SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0); SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3, SSB_SPROM4_GPIOB_P3_SHIFT); + + /* Extract the antenna gain values. */ + SPEX(antenna_gain.ghz24.a0, SSB_SPROM4_AGAIN01, + SSB_SPROM4_AGAIN0, SSB_SPROM4_AGAIN0_SHIFT); + SPEX(antenna_gain.ghz24.a1, SSB_SPROM4_AGAIN01, + SSB_SPROM4_AGAIN1, SSB_SPROM4_AGAIN1_SHIFT); + SPEX(antenna_gain.ghz24.a2, SSB_SPROM4_AGAIN23, + SSB_SPROM4_AGAIN2, SSB_SPROM4_AGAIN2_SHIFT); + SPEX(antenna_gain.ghz24.a3, SSB_SPROM4_AGAIN23, + SSB_SPROM4_AGAIN3, SSB_SPROM4_AGAIN3_SHIFT); + memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24, + sizeof(out->antenna_gain.ghz5)); + /* TODO - get remaining rev 4 stuff needed */ } @@ -400,7 +456,7 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out, memset(out, 0, sizeof(*out)); out->revision = in[size - 1] & 0x00FF; - ssb_printk(KERN_INFO PFX "SPROM revision %d detected.\n", out->revision); + ssb_dprintk(KERN_DEBUG PFX "SPROM revision %d detected.\n", out->revision); if ((bus->chip_id & 0xFF00) == 0x4400) { /* Workaround: The BCM44XX chip has a stupid revision * number stored in the SPROM. @@ -445,9 +501,7 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus, err = sprom_check_crc(buf, bus->sprom_size); if (err) { /* check for rev 4 sprom - has special signature */ - if (buf [32] == 0x5372) { - ssb_printk(KERN_WARNING PFX "Extracting a rev 4" - " SPROM\n"); + if (buf[32] == 0x5372) { kfree(buf); buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16), GFP_KERNEL); |