HTC Vision (and others) have a Broadcom BCM4329 chip-set for WiFi/Bluetooth/FM-rx...

[bootloader-ap.git] / drivers / net / wireless / bcm4329 / bcmwifi.c

diff --git a/drivers/net/wireless/bcm4329/bcmwifi.c b/drivers/net/wireless/bcm4329/bcmwifi.c
new file mode 100644 (file)
index 0000000..641a4fd
--- /dev/null
+++ b/drivers/net/wireless/bcm4329/bcmwifi.c
@@ -0,0 +1,199 @@
+/*
+ * Misc utility routines used by kernel or app-level.
+ * Contents are wifi-specific, used by any kernel or app-level
+ * software that might want wifi things as it grows.
+ *
+ * Copyright (C) 1999-2009, Broadcom Corporation
+ * 
+ *      Unless you and Broadcom execute a separate written software license
+ * agreement governing use of this software, this software is licensed to you
+ * under the terms of the GNU General Public License version 2 (the "GPL"),
+ * available at http://www.broadcom.com/licenses/GPLv2.php, with the
+ * following added to such license:
+ * 
+ *      As a special exception, the copyright holders of this software give you
+ * permission to link this software with independent modules, and to copy and
+ * distribute the resulting executable under terms of your choice, provided that
+ * you also meet, for each linked independent module, the terms and conditions of
+ * the license of that module.  An independent module is a module which is not
+ * derived from this software.  The special exception does not apply to any
+ * modifications of the software.
+ * 
+ *      Notwithstanding the above, under no circumstances may you combine this
+ * software in any way with any other Broadcom software provided under a license
+ * other than the GPL, without Broadcom's express prior written consent.
+ * $Id: bcmwifi.c,v 1.18.24.2.4.1 2009/09/25 00:32:01 Exp $
+ */
+
+
+#include <typedefs.h>
+
+#ifdef BCMDRIVER
+#include <osl.h>
+#include <bcmutils.h>
+#define strtoul(nptr, endptr, base) bcm_strtoul((nptr), (endptr), (base))
+#define tolower(c) (bcm_isupper((c)) ? ((c) + 'a' - 'A') : (c))
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#endif 
+#include <bcmwifi.h>
+
+#if defined(WIN32) && (defined(BCMDLL) || defined(WLMDLL))
+#include <bcmstdlib.h>         
+#endif
+
+
+
+
+
+char *
+wf_chspec_ntoa(chanspec_t chspec, char *buf)
+{
+       const char *band, *bw, *sb;
+       uint channel;
+
+       band = "";
+       bw = "";
+       sb = "";
+       channel = CHSPEC_CHANNEL(chspec);
+       
+       if ((CHSPEC_IS2G(chspec) && channel > CH_MAX_2G_CHANNEL) ||
+           (CHSPEC_IS5G(chspec) && channel <= CH_MAX_2G_CHANNEL))
+               band = (CHSPEC_IS2G(chspec)) ? "b" : "a";
+       if (CHSPEC_IS40(chspec)) {
+               if (CHSPEC_SB_UPPER(chspec)) {
+                       sb = "u";
+                       channel += CH_10MHZ_APART;
+               } else {
+                       sb = "l";
+                       channel -= CH_10MHZ_APART;
+               }
+       } else if (CHSPEC_IS10(chspec)) {
+               bw = "n";
+       }
+
+       
+       snprintf(buf, 6, "%d%s%s%s", channel, band, bw, sb);
+       return (buf);
+}
+
+
+chanspec_t
+wf_chspec_aton(char *a)
+{
+       char *endp = NULL;
+       uint channel, band, bw, ctl_sb;
+       char c;
+
+       channel = strtoul(a, &endp, 10);
+
+       
+       if (endp == a)
+               return 0;
+
+       if (channel > MAXCHANNEL)
+               return 0;
+
+       band = ((channel <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G);
+       bw = WL_CHANSPEC_BW_20;
+       ctl_sb = WL_CHANSPEC_CTL_SB_NONE;
+
+       a = endp;
+
+       c = tolower(a[0]);
+       if (c == '\0')
+               goto done;
+
+       
+       if (c == 'a' || c == 'b') {
+               band = (c == 'a') ? WL_CHANSPEC_BAND_5G : WL_CHANSPEC_BAND_2G;
+               a++;
+               c = tolower(a[0]);
+               if (c == '\0')
+                       goto done;
+       }
+
+       
+       if (c == 'n') {
+               bw = WL_CHANSPEC_BW_10;
+       } else if (c == 'l') {
+               bw = WL_CHANSPEC_BW_40;
+               ctl_sb = WL_CHANSPEC_CTL_SB_LOWER;
+               
+               if (channel <= (MAXCHANNEL - CH_20MHZ_APART))
+                       channel += CH_10MHZ_APART;
+               else
+                       return 0;
+       } else if (c == 'u') {
+               bw = WL_CHANSPEC_BW_40;
+               ctl_sb = WL_CHANSPEC_CTL_SB_UPPER;
+               
+               if (channel > CH_20MHZ_APART)
+                       channel -= CH_10MHZ_APART;
+               else
+                       return 0;
+       } else {
+               return 0;
+       }
+
+done:
+       return (channel | band | bw | ctl_sb);
+}
+
+
+int
+wf_mhz2channel(uint freq, uint start_factor)
+{
+       int ch = -1;
+       uint base;
+       int offset;
+
+       
+       if (start_factor == 0) {
+               if (freq >= 2400 && freq <= 2500)
+                       start_factor = WF_CHAN_FACTOR_2_4_G;
+               else if (freq >= 5000 && freq <= 6000)
+                       start_factor = WF_CHAN_FACTOR_5_G;
+       }
+
+       if (freq == 2484 && start_factor == WF_CHAN_FACTOR_2_4_G)
+               return 14;
+
+       base = start_factor / 2;
+
+       
+       if ((freq < base) || (freq > base + 1000))
+               return -1;
+
+       offset = freq - base;
+       ch = offset / 5;
+
+       
+       if (offset != (ch * 5))
+               return -1;
+
+       
+       if (start_factor == WF_CHAN_FACTOR_2_4_G && (ch < 1 || ch > 13))
+               return -1;
+
+       return ch;
+}
+
+
+int
+wf_channel2mhz(uint ch, uint start_factor)
+{
+       int freq;
+
+       if ((start_factor == WF_CHAN_FACTOR_2_4_G && (ch < 1 || ch > 14)) ||
+           (ch <= 200))
+               freq = -1;
+       if ((start_factor == WF_CHAN_FACTOR_2_4_G) && (ch == 14))
+               freq = 2484;
+       else
+               freq = ch * 5 + start_factor / 2;
+
+       return freq;
+}