bcma: SPROM: add macro for easier extraction
Rafał Miłecki [Mon, 2 Jan 2012 07:41:24 +0000 (08:41 +0100)]
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/bcma/sprom.c

index 6f230fb..27f62cc 100644 (file)
@@ -14,8 +14,6 @@
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
 
-#define SPOFF(offset)  ((offset) / sizeof(u16))
-
 /**************************************************
  * R/W ops.
  **************************************************/
@@ -124,6 +122,11 @@ static int bcma_sprom_valid(const u16 *sprom)
  * SPROM extraction.
  **************************************************/
 
+#define SPOFF(offset)  ((offset) / sizeof(u16))
+
+#define SPEX(_field, _offset, _mask, _shift)   \
+       bus->sprom._field = ((sprom[SPOFF(_offset)] & (_mask)) >> (_shift))
+
 static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
 {
        u16 v;
@@ -137,72 +140,72 @@ static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
                *(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v);
        }
 
-       bus->sprom.board_rev = sprom[SPOFF(SSB_SPROM8_BOARDREV)];
-
-       bus->sprom.txpid2g[0] = (sprom[SPOFF(SSB_SPROM4_TXPID2G01)] &
-            SSB_SPROM4_TXPID2G0) >> SSB_SPROM4_TXPID2G0_SHIFT;
-       bus->sprom.txpid2g[1] = (sprom[SPOFF(SSB_SPROM4_TXPID2G01)] &
-            SSB_SPROM4_TXPID2G1) >> SSB_SPROM4_TXPID2G1_SHIFT;
-       bus->sprom.txpid2g[2] = (sprom[SPOFF(SSB_SPROM4_TXPID2G23)] &
-            SSB_SPROM4_TXPID2G2) >> SSB_SPROM4_TXPID2G2_SHIFT;
-       bus->sprom.txpid2g[3] = (sprom[SPOFF(SSB_SPROM4_TXPID2G23)] &
-            SSB_SPROM4_TXPID2G3) >> SSB_SPROM4_TXPID2G3_SHIFT;
-
-       bus->sprom.txpid5gl[0] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL01)] &
-            SSB_SPROM4_TXPID5GL0) >> SSB_SPROM4_TXPID5GL0_SHIFT;
-       bus->sprom.txpid5gl[1] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL01)] &
-            SSB_SPROM4_TXPID5GL1) >> SSB_SPROM4_TXPID5GL1_SHIFT;
-       bus->sprom.txpid5gl[2] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL23)] &
-            SSB_SPROM4_TXPID5GL2) >> SSB_SPROM4_TXPID5GL2_SHIFT;
-       bus->sprom.txpid5gl[3] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL23)] &
-            SSB_SPROM4_TXPID5GL3) >> SSB_SPROM4_TXPID5GL3_SHIFT;
-
-       bus->sprom.txpid5g[0] = (sprom[SPOFF(SSB_SPROM4_TXPID5G01)] &
-            SSB_SPROM4_TXPID5G0) >> SSB_SPROM4_TXPID5G0_SHIFT;
-       bus->sprom.txpid5g[1] = (sprom[SPOFF(SSB_SPROM4_TXPID5G01)] &
-            SSB_SPROM4_TXPID5G1) >> SSB_SPROM4_TXPID5G1_SHIFT;
-       bus->sprom.txpid5g[2] = (sprom[SPOFF(SSB_SPROM4_TXPID5G23)] &
-            SSB_SPROM4_TXPID5G2) >> SSB_SPROM4_TXPID5G2_SHIFT;
-       bus->sprom.txpid5g[3] = (sprom[SPOFF(SSB_SPROM4_TXPID5G23)] &
-            SSB_SPROM4_TXPID5G3) >> SSB_SPROM4_TXPID5G3_SHIFT;
-
-       bus->sprom.txpid5gh[0] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH01)] &
-            SSB_SPROM4_TXPID5GH0) >> SSB_SPROM4_TXPID5GH0_SHIFT;
-       bus->sprom.txpid5gh[1] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH01)] &
-            SSB_SPROM4_TXPID5GH1) >> SSB_SPROM4_TXPID5GH1_SHIFT;
-       bus->sprom.txpid5gh[2] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH23)] &
-            SSB_SPROM4_TXPID5GH2) >> SSB_SPROM4_TXPID5GH2_SHIFT;
-       bus->sprom.txpid5gh[3] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH23)] &
-            SSB_SPROM4_TXPID5GH3) >> SSB_SPROM4_TXPID5GH3_SHIFT;
-
-       bus->sprom.boardflags_lo = sprom[SPOFF(SSB_SPROM8_BFLLO)];
-       bus->sprom.boardflags_hi = sprom[SPOFF(SSB_SPROM8_BFLHI)];
-       bus->sprom.boardflags2_lo = sprom[SPOFF(SSB_SPROM8_BFL2LO)];
-       bus->sprom.boardflags2_hi = sprom[SPOFF(SSB_SPROM8_BFL2HI)];
-
-       bus->sprom.country_code = sprom[SPOFF(SSB_SPROM8_CCODE)];
-
-       bus->sprom.fem.ghz2.tssipos = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
-               SSB_SROM8_FEM_TSSIPOS) >> SSB_SROM8_FEM_TSSIPOS_SHIFT;
-       bus->sprom.fem.ghz2.extpa_gain = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
-               SSB_SROM8_FEM_EXTPA_GAIN) >> SSB_SROM8_FEM_EXTPA_GAIN_SHIFT;
-       bus->sprom.fem.ghz2.pdet_range = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
-               SSB_SROM8_FEM_PDET_RANGE) >> SSB_SROM8_FEM_PDET_RANGE_SHIFT;
-       bus->sprom.fem.ghz2.tr_iso = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
-               SSB_SROM8_FEM_TR_ISO) >> SSB_SROM8_FEM_TR_ISO_SHIFT;
-       bus->sprom.fem.ghz2.antswlut = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
-               SSB_SROM8_FEM_ANTSWLUT) >> SSB_SROM8_FEM_ANTSWLUT_SHIFT;
-
-       bus->sprom.fem.ghz5.tssipos = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
-               SSB_SROM8_FEM_TSSIPOS) >> SSB_SROM8_FEM_TSSIPOS_SHIFT;
-       bus->sprom.fem.ghz5.extpa_gain = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
-               SSB_SROM8_FEM_EXTPA_GAIN) >> SSB_SROM8_FEM_EXTPA_GAIN_SHIFT;
-       bus->sprom.fem.ghz5.pdet_range = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
-               SSB_SROM8_FEM_PDET_RANGE) >> SSB_SROM8_FEM_PDET_RANGE_SHIFT;
-       bus->sprom.fem.ghz5.tr_iso = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
-               SSB_SROM8_FEM_TR_ISO) >> SSB_SROM8_FEM_TR_ISO_SHIFT;
-       bus->sprom.fem.ghz5.antswlut = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
-               SSB_SROM8_FEM_ANTSWLUT) >> SSB_SROM8_FEM_ANTSWLUT_SHIFT;
+       SPEX(board_rev, SSB_SPROM8_BOARDREV, ~0, 0);
+
+       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);
+
+       SPEX(boardflags_lo, SSB_SPROM8_BFLLO, ~0, 0);
+       SPEX(boardflags_hi, SSB_SPROM8_BFLHI, ~0, 0);
+       SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, ~0, 0);
+       SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, ~0, 0);
+
+       SPEX(country_code, SSB_SPROM8_CCODE, ~0, 0);
+
+       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);
 }
 
 int bcma_sprom_get(struct bcma_bus *bus)