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Diffstat (limited to 'gpxe/src/drivers/net/ath5k/ath5k_caps.c')
-rw-r--r--gpxe/src/drivers/net/ath5k/ath5k_caps.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/gpxe/src/drivers/net/ath5k/ath5k_caps.c b/gpxe/src/drivers/net/ath5k/ath5k_caps.c
new file mode 100644
index 00000000..1d60d744
--- /dev/null
+++ b/gpxe/src/drivers/net/ath5k/ath5k_caps.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org>
+ * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com>
+ * Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com>
+ *
+ * Lightly modified for gPXE, July 2009, by Joshua Oreman <oremanj@rwcr.net>.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+FILE_LICENCE ( MIT );
+
+/**************\
+* Capabilities *
+\**************/
+
+#include "ath5k.h"
+#include "reg.h"
+#include "base.h"
+
+/*
+ * Fill the capabilities struct
+ * TODO: Merge this with EEPROM code when we are done with it
+ */
+int ath5k_hw_set_capabilities(struct ath5k_hw *ah)
+{
+ u16 ee_header;
+
+ /* Capabilities stored in the EEPROM */
+ ee_header = ah->ah_capabilities.cap_eeprom.ee_header;
+
+ if (ah->ah_version == AR5K_AR5210) {
+ /*
+ * Set radio capabilities
+ * (The AR5110 only supports the middle 5GHz band)
+ */
+ ah->ah_capabilities.cap_range.range_5ghz_min = 5120;
+ ah->ah_capabilities.cap_range.range_5ghz_max = 5430;
+ ah->ah_capabilities.cap_range.range_2ghz_min = 0;
+ ah->ah_capabilities.cap_range.range_2ghz_max = 0;
+
+ /* Set supported modes */
+ ah->ah_capabilities.cap_mode |= AR5K_MODE_BIT_11A;
+ ah->ah_capabilities.cap_mode |= AR5K_MODE_BIT_11A_TURBO;
+ } else {
+ /*
+ * XXX The tranceiver supports frequencies from 4920 to 6100GHz
+ * XXX and from 2312 to 2732GHz. There are problems with the
+ * XXX current ieee80211 implementation because the IEEE
+ * XXX channel mapping does not support negative channel
+ * XXX numbers (2312MHz is channel -19). Of course, this
+ * XXX doesn't matter because these channels are out of range
+ * XXX but some regulation domains like MKK (Japan) will
+ * XXX support frequencies somewhere around 4.8GHz.
+ */
+
+ /*
+ * Set radio capabilities
+ */
+
+ if (AR5K_EEPROM_HDR_11A(ee_header)) {
+ /* 4920 */
+ ah->ah_capabilities.cap_range.range_5ghz_min = 5005;
+ ah->ah_capabilities.cap_range.range_5ghz_max = 6100;
+
+ /* Set supported modes */
+ ah->ah_capabilities.cap_mode |= AR5K_MODE_BIT_11A;
+ ah->ah_capabilities.cap_mode |= AR5K_MODE_BIT_11A_TURBO;
+ if (ah->ah_version == AR5K_AR5212)
+ ah->ah_capabilities.cap_mode |=
+ AR5K_MODE_BIT_11G_TURBO;
+ }
+
+ /* Enable 802.11b if a 2GHz capable radio (2111/5112) is
+ * connected */
+ if (AR5K_EEPROM_HDR_11B(ee_header) ||
+ (AR5K_EEPROM_HDR_11G(ee_header) &&
+ ah->ah_version != AR5K_AR5211)) {
+ /* 2312 */
+ ah->ah_capabilities.cap_range.range_2ghz_min = 2412;
+ ah->ah_capabilities.cap_range.range_2ghz_max = 2732;
+
+ if (AR5K_EEPROM_HDR_11B(ee_header))
+ ah->ah_capabilities.cap_mode |=
+ AR5K_MODE_BIT_11B;
+
+ if (AR5K_EEPROM_HDR_11G(ee_header) &&
+ ah->ah_version != AR5K_AR5211)
+ ah->ah_capabilities.cap_mode |=
+ AR5K_MODE_BIT_11G;
+ }
+ }
+
+ /* GPIO */
+ ah->ah_gpio_npins = AR5K_NUM_GPIO;
+
+ /* Set number of supported TX queues */
+ ah->ah_capabilities.cap_queues.q_tx_num = 1;
+
+ return 0;
+}
+
+/* Main function used by the driver part to check caps */
+int ath5k_hw_get_capability(struct ath5k_hw *ah,
+ enum ath5k_capability_type cap_type,
+ u32 capability __unused, u32 *result)
+{
+ switch (cap_type) {
+ case AR5K_CAP_NUM_TXQUEUES:
+ if (result) {
+ *result = 1;
+ goto yes;
+ }
+ case AR5K_CAP_VEOL:
+ goto yes;
+ case AR5K_CAP_COMPRESSION:
+ if (ah->ah_version == AR5K_AR5212)
+ goto yes;
+ else
+ goto no;
+ case AR5K_CAP_BURST:
+ goto yes;
+ case AR5K_CAP_TPC:
+ goto yes;
+ case AR5K_CAP_BSSIDMASK:
+ if (ah->ah_version == AR5K_AR5212)
+ goto yes;
+ else
+ goto no;
+ case AR5K_CAP_XR:
+ if (ah->ah_version == AR5K_AR5212)
+ goto yes;
+ else
+ goto no;
+ default:
+ goto no;
+ }
+
+no:
+ return -EINVAL;
+yes:
+ return 0;
+}