b43/ssb: Add SPROM8 extraction and LP-PHY detection

This adds detection code for the LP-PHY and SPROM
extraction code for version 8, which is needed by the LP-PHY and
newer N-PHY.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 62 insertions, 12 deletions

diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index d5cde051806b..c958ac16423c 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -467,6 +467,51 @@ static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
         /* TODO - get remaining rev 4 stuff needed */
 }
 
+static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in)
+{
+        int i;
+        u16 v;
+
+        /* extract the MAC address */
+        for (i = 0; i < 3; i++) {
+                v = in[SPOFF(SSB_SPROM1_IL0MAC) + i];
+                *(((__be16 *)out->il0mac) + i) = cpu_to_be16(v);
+        }
+        SPEX(country_code, SSB_SPROM8_CCODE, 0xFFFF, 0);
+        SPEX(boardflags_lo, SSB_SPROM8_BFLLO, 0xFFFF, 0);
+        SPEX(boardflags_hi, SSB_SPROM8_BFLHI, 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(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);
+
+        /* Extract the antenna gain values. */
+        SPEX(antenna_gain.ghz24.a0, SSB_SPROM8_AGAIN01,
+             SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT);
+        SPEX(antenna_gain.ghz24.a1, SSB_SPROM8_AGAIN01,
+             SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT);
+        SPEX(antenna_gain.ghz24.a2, SSB_SPROM8_AGAIN23,
+             SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT);
+        SPEX(antenna_gain.ghz24.a3, SSB_SPROM8_AGAIN23,
+             SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_SHIFT);
+        memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24,
+               sizeof(out->antenna_gain.ghz5));
+
+        /* TODO - get remaining rev 8 stuff needed */
+}
+
 static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
                          const u16 *in, u16 size)
 {
@@ -487,15 +532,25 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
                 out->revision = 4;
                 sprom_extract_r45(out, in);
         } else {
-                if (out->revision == 0)
-                        goto unsupported;
-                if (out->revision >= 1 && out->revision <= 3) {
+                switch (out->revision) {
+                case 1:
+                case 2:
+                case 3:
                         sprom_extract_r123(out, in);
-                }
-                if (out->revision == 4 || out->revision == 5)
+                        break;
+                case 4:
+                case 5:
                         sprom_extract_r45(out, in);
-                if (out->revision > 5)
-                        goto unsupported;
+                        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);
+                        sprom_extract_r123(out, in);
+                }
         }
 
         if (out->boardflags_lo == 0xFFFF)
@@ -504,11 +559,6 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
                 out->boardflags_hi = 0;  /* per specs */
 
         return 0;
-unsupported:
-        ssb_printk(KERN_WARNING PFX "Unsupported SPROM revision %d "
-                   "detected. Will extract v1\n", out->revision);
-        sprom_extract_r123(out, in);
-        return 0;
 }
 
 static int ssb_pci_sprom_get(struct ssb_bus *bus,