diff options
Diffstat (limited to 'drivers/ssb/pci.c')
| -rw-r--r-- | drivers/ssb/pci.c | 96 |
1 files changed, 68 insertions, 28 deletions
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c index 6e88d2b603b..158449e5504 100644 --- a/drivers/ssb/pci.c +++ b/drivers/ssb/pci.c @@ -406,6 +406,46 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in) out->antenna_gain.ghz5.a3 = gain; } +/* 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) { int i; @@ -471,6 +511,8 @@ static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in) memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24, sizeof(out->antenna_gain.ghz5)); + sprom_extract_r458(out, in); + /* TODO - get remaining rev 4 stuff needed */ } @@ -561,6 +603,8 @@ static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in) memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24, sizeof(out->antenna_gain.ghz5)); + sprom_extract_r458(out, in); + /* TODO - get remaining rev 8 stuff needed */ } @@ -573,37 +617,34 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out, ssb_dprintk(KERN_DEBUG PFX "SPROM revision %d detected.\n", out->revision); memset(out->et0mac, 0xFF, 6); /* preset et0 and et1 mac */ memset(out->et1mac, 0xFF, 6); + if ((bus->chip_id & 0xFF00) == 0x4400) { /* Workaround: The BCM44XX chip has a stupid revision * number stored in the SPROM. * Always extract r1. */ out->revision = 1; + ssb_dprintk(KERN_DEBUG PFX "SPROM treated as revision %d\n", out->revision); + } + + switch (out->revision) { + case 1: + case 2: + case 3: sprom_extract_r123(out, in); - } else if (bus->chip_id == 0x4321) { - /* the BCM4328 has a chipid == 0x4321 and a rev 4 SPROM */ - out->revision = 4; + break; + case 4: + case 5: sprom_extract_r45(out, in); - } else { - 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: - ssb_printk(KERN_WARNING PFX "Unsupported SPROM" - " revision %d detected. Will extract" - " v1\n", out->revision); - out->revision = 1; - sprom_extract_r123(out, in); - } + break; + case 8: + sprom_extract_r8(out, in); + break; + default: + ssb_printk(KERN_WARNING PFX "Unsupported SPROM" + " revision %d detected. Will extract" + " v1\n", out->revision); + out->revision = 1; + sprom_extract_r123(out, in); } if (out->boardflags_lo == 0xFFFF) @@ -618,7 +659,7 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus, struct ssb_sprom *sprom) { const struct ssb_sprom *fallback; - int err = -ENOMEM; + int err; u16 *buf; if (!ssb_is_sprom_available(bus)) { @@ -645,7 +686,7 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus, buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL); if (!buf) - goto out; + return -ENOMEM; bus->sprom_size = SSB_SPROMSIZE_WORDS_R123; sprom_do_read(bus, buf); err = sprom_check_crc(buf, bus->sprom_size); @@ -655,7 +696,7 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus, buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16), GFP_KERNEL); if (!buf) - goto out; + return -ENOMEM; bus->sprom_size = SSB_SPROMSIZE_WORDS_R4; sprom_do_read(bus, buf); err = sprom_check_crc(buf, bus->sprom_size); @@ -677,7 +718,6 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus, out_free: kfree(buf); -out: return err; } |