carl9170: Register maps, tx/rx descriptor formats and eeprom layout
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/carl9170/wlan.h b/drivers/net/wireless/ath/carl9170/wlan.h
new file mode 100644
index 0000000..48ead22
--- /dev/null
+++ b/drivers/net/wireless/ath/carl9170/wlan.h
@@ -0,0 +1,412 @@
+/*
+ * Shared Atheros AR9170 Header
+ *
+ * RX/TX meta descriptor format
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or 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.
+ */
+
+#ifndef __CARL9170_SHARED_WLAN_H
+#define __CARL9170_SHARED_WLAN_H
+
+#include "fwcmd.h"
+
+#define AR9170_RX_PHY_RATE_CCK_1M 0x0a
+#define AR9170_RX_PHY_RATE_CCK_2M 0x14
+#define AR9170_RX_PHY_RATE_CCK_5M 0x37
+#define AR9170_RX_PHY_RATE_CCK_11M 0x6e
+
+#define AR9170_ENC_ALG_NONE 0x0
+#define AR9170_ENC_ALG_WEP64 0x1
+#define AR9170_ENC_ALG_TKIP 0x2
+#define AR9170_ENC_ALG_AESCCMP 0x4
+#define AR9170_ENC_ALG_WEP128 0x5
+#define AR9170_ENC_ALG_WEP256 0x6
+#define AR9170_ENC_ALG_CENC 0x7
+
+#define AR9170_RX_ENC_SOFTWARE 0x8
+
+#define AR9170_RX_STATUS_MODULATION 0x03
+#define AR9170_RX_STATUS_MODULATION_S 0
+#define AR9170_RX_STATUS_MODULATION_CCK 0x00
+#define AR9170_RX_STATUS_MODULATION_OFDM 0x01
+#define AR9170_RX_STATUS_MODULATION_HT 0x02
+#define AR9170_RX_STATUS_MODULATION_DUPOFDM 0x03
+
+/* depends on modulation */
+#define AR9170_RX_STATUS_SHORT_PREAMBLE 0x08
+#define AR9170_RX_STATUS_GREENFIELD 0x08
+
+#define AR9170_RX_STATUS_MPDU 0x30
+#define AR9170_RX_STATUS_MPDU_S 4
+#define AR9170_RX_STATUS_MPDU_SINGLE 0x00
+#define AR9170_RX_STATUS_MPDU_FIRST 0x20
+#define AR9170_RX_STATUS_MPDU_MIDDLE 0x30
+#define AR9170_RX_STATUS_MPDU_LAST 0x10
+
+#define AR9170_RX_ERROR_RXTO 0x01
+#define AR9170_RX_ERROR_OVERRUN 0x02
+#define AR9170_RX_ERROR_DECRYPT 0x04
+#define AR9170_RX_ERROR_FCS 0x08
+#define AR9170_RX_ERROR_WRONG_RA 0x10
+#define AR9170_RX_ERROR_PLCP 0x20
+#define AR9170_RX_ERROR_MMIC 0x40
+#define AR9170_RX_ERROR_FATAL 0x80
+
+/* these are either-or */
+#define AR9170_TX_MAC_PROT_RTS 0x0001
+#define AR9170_TX_MAC_PROT_CTS 0x0002
+#define AR9170_TX_MAC_PROT 0x0003
+
+#define AR9170_TX_MAC_NO_ACK 0x0004
+/* if unset, MAC will only do SIFS space before frame */
+#define AR9170_TX_MAC_BACKOFF 0x0008
+#define AR9170_TX_MAC_BURST 0x0010
+#define AR9170_TX_MAC_AGGR 0x0020
+
+/* encryption is a two-bit field */
+#define AR9170_TX_MAC_ENCR_NONE 0x0000
+#define AR9170_TX_MAC_ENCR_RC4 0x0040
+#define AR9170_TX_MAC_ENCR_CENC 0x0080
+#define AR9170_TX_MAC_ENCR_AES 0x00c0
+
+#define AR9170_TX_MAC_MMIC 0x0100
+#define AR9170_TX_MAC_HW_DURATION 0x0200
+#define AR9170_TX_MAC_QOS_S 10
+#define AR9170_TX_MAC_QOS 0x0c00
+#define AR9170_TX_MAC_DISABLE_TXOP 0x1000
+#define AR9170_TX_MAC_TXOP_RIFS 0x2000
+#define AR9170_TX_MAC_IMM_BA 0x4000
+
+/* either-or */
+#define AR9170_TX_PHY_MOD_CCK 0x00000000
+#define AR9170_TX_PHY_MOD_OFDM 0x00000001
+#define AR9170_TX_PHY_MOD_HT 0x00000002
+
+/* depends on modulation */
+#define AR9170_TX_PHY_SHORT_PREAMBLE 0x00000004
+#define AR9170_TX_PHY_GREENFIELD 0x00000004
+
+#define AR9170_TX_PHY_BW_S 3
+#define AR9170_TX_PHY_BW (3 << AR9170_TX_PHY_BW_SHIFT)
+#define AR9170_TX_PHY_BW_20MHZ 0
+#define AR9170_TX_PHY_BW_40MHZ 2
+#define AR9170_TX_PHY_BW_40MHZ_DUP 3
+
+#define AR9170_TX_PHY_TX_HEAVY_CLIP_S 6
+#define AR9170_TX_PHY_TX_HEAVY_CLIP (7 << \
+ AR9170_TX_PHY_TX_HEAVY_CLIP_S)
+
+#define AR9170_TX_PHY_TX_PWR_S 9
+#define AR9170_TX_PHY_TX_PWR (0x3f << \
+ AR9170_TX_PHY_TX_PWR_S)
+
+#define AR9170_TX_PHY_TXCHAIN_S 15
+#define AR9170_TX_PHY_TXCHAIN (7 << \
+ AR9170_TX_PHY_TXCHAIN_S)
+#define AR9170_TX_PHY_TXCHAIN_1 1
+/* use for cck, ofdm 6/9/12/18/24 and HT if capable */
+#define AR9170_TX_PHY_TXCHAIN_2 5
+
+#define AR9170_TX_PHY_MCS_S 18
+#define AR9170_TX_PHY_MCS (0x7f << \
+ AR9170_TX_PHY_MCS_S)
+
+#define AR9170_TX_PHY_RATE_CCK_1M 0x0
+#define AR9170_TX_PHY_RATE_CCK_2M 0x1
+#define AR9170_TX_PHY_RATE_CCK_5M 0x2
+#define AR9170_TX_PHY_RATE_CCK_11M 0x3
+
+/* same as AR9170_RX_PHY_RATE */
+#define AR9170_TXRX_PHY_RATE_OFDM_6M 0xb
+#define AR9170_TXRX_PHY_RATE_OFDM_9M 0xf
+#define AR9170_TXRX_PHY_RATE_OFDM_12M 0xa
+#define AR9170_TXRX_PHY_RATE_OFDM_18M 0xe
+#define AR9170_TXRX_PHY_RATE_OFDM_24M 0x9
+#define AR9170_TXRX_PHY_RATE_OFDM_36M 0xd
+#define AR9170_TXRX_PHY_RATE_OFDM_48M 0x8
+#define AR9170_TXRX_PHY_RATE_OFDM_54M 0xc
+
+#define AR9170_TXRX_PHY_RATE_HT_MCS0 0x0
+#define AR9170_TXRX_PHY_RATE_HT_MCS1 0x1
+#define AR9170_TXRX_PHY_RATE_HT_MCS2 0x2
+#define AR9170_TXRX_PHY_RATE_HT_MCS3 0x3
+#define AR9170_TXRX_PHY_RATE_HT_MCS4 0x4
+#define AR9170_TXRX_PHY_RATE_HT_MCS5 0x5
+#define AR9170_TXRX_PHY_RATE_HT_MCS6 0x6
+#define AR9170_TXRX_PHY_RATE_HT_MCS7 0x7
+#define AR9170_TXRX_PHY_RATE_HT_MCS8 0x8
+#define AR9170_TXRX_PHY_RATE_HT_MCS9 0x9
+#define AR9170_TXRX_PHY_RATE_HT_MCS10 0xa
+#define AR9170_TXRX_PHY_RATE_HT_MCS11 0xb
+#define AR9170_TXRX_PHY_RATE_HT_MCS12 0xc
+#define AR9170_TXRX_PHY_RATE_HT_MCS13 0xd
+#define AR9170_TXRX_PHY_RATE_HT_MCS14 0xe
+#define AR9170_TXRX_PHY_RATE_HT_MCS15 0xf
+
+#define AR9170_TX_PHY_SHORT_GI 0x80000000
+
+#ifdef __CARL9170FW__
+struct ar9170_tx_hw_mac_control {
+ union {
+ struct {
+ /*
+ * Beware of compiler bugs in all gcc pre 4.4!
+ */
+
+ u8 erp_prot:2;
+ u8 no_ack:1;
+ u8 backoff:1;
+ u8 burst:1;
+ u8 ampdu:1;
+
+ u8 enc_mode:2;
+
+ u8 hw_mmic:1;
+ u8 hw_duration:1;
+
+ u8 qos_queue:2;
+
+ u8 disable_txop:1;
+ u8 txop_rifs:1;
+
+ u8 ba_end:1;
+ u8 probe:1;
+ } __packed;
+
+ __le16 set;
+ } __packed;
+} __packed;
+
+struct ar9170_tx_hw_phy_control {
+ union {
+ struct {
+ /*
+ * Beware of compiler bugs in all gcc pre 4.4!
+ */
+
+ u8 modulation:2;
+ u8 preamble:1;
+ u8 bandwidth:2;
+ u8:1;
+ u8 heavy_clip:3;
+ u8 tx_power:6;
+ u8 chains:3;
+ u8 mcs:7;
+ u8:6;
+ u8 short_gi:1;
+ } __packed;
+
+ __le32 set;
+ } __packed;
+} __packed;
+
+struct ar9170_tx_rate_info {
+ u8 tries:3;
+ u8 erp_prot:2;
+ u8 ampdu:1;
+ u8 free:2; /* free for use (e.g.:RIFS/TXOP/AMPDU) */
+} __packed;
+
+struct carl9170_tx_superdesc {
+ __le16 len;
+ u8 rix;
+ u8 cnt;
+ u8 cookie;
+ u8 ampdu_density:3;
+ u8 ampdu_factor:2;
+ u8 ampdu_commit_density:1;
+ u8 ampdu_commit_factor:1;
+ u8 ampdu_unused_bit:1;
+ u8 queue:2;
+ u8 reserved:1;
+ u8 vif_id:3;
+ u8 fill_in_tsf:1;
+ u8 cab:1;
+ u8 padding2;
+ struct ar9170_tx_rate_info ri[CARL9170_TX_MAX_RATES];
+ struct ar9170_tx_hw_phy_control rr[CARL9170_TX_MAX_RETRY_RATES];
+} __packed;
+
+struct ar9170_tx_hwdesc {
+ __le16 length;
+ struct ar9170_tx_hw_mac_control mac;
+ struct ar9170_tx_hw_phy_control phy;
+} __packed;
+
+struct ar9170_tx_frame {
+ struct ar9170_tx_hwdesc hdr;
+
+ union {
+ struct ieee80211_hdr i3e;
+ u8 payload[0];
+ } data;
+} __packed;
+
+struct carl9170_tx_superframe {
+ struct carl9170_tx_superdesc s;
+ struct ar9170_tx_frame f;
+} __packed;
+
+#endif /* __CARL9170FW__ */
+
+struct _ar9170_tx_hwdesc {
+ __le16 length;
+ __le16 mac_control;
+ __le32 phy_control;
+} __packed;
+
+#define CARL9170_TX_SUPER_AMPDU_DENSITY_S 0
+#define CARL9170_TX_SUPER_AMPDU_DENSITY 0x7
+#define CARL9170_TX_SUPER_AMPDU_FACTOR 0x18
+#define CARL9170_TX_SUPER_AMPDU_FACTOR_S 3
+#define CARL9170_TX_SUPER_AMPDU_COMMIT_DENSITY 0x20
+#define CARL9170_TX_SUPER_AMPDU_COMMIT_DENSITY_S 5
+#define CARL9170_TX_SUPER_AMPDU_COMMIT_FACTOR 0x40
+#define CARL9170_TX_SUPER_AMPDU_COMMIT_FACTOR_S 6
+
+#define CARL9170_TX_SUPER_MISC_QUEUE 0x3
+#define CARL9170_TX_SUPER_MISC_QUEUE_S 0
+#define CARL9170_TX_SUPER_MISC_VIF_ID 0x38
+#define CARL9170_TX_SUPER_MISC_VIF_ID_S 3
+#define CARL9170_TX_SUPER_MISC_FILL_IN_TSF 0x40
+#define CARL9170_TX_SUPER_MISC_CAB 0x80
+
+#define CARL9170_TX_SUPER_RI_TRIES 0x7
+#define CARL9170_TX_SUPER_RI_TRIES_S 0
+#define CARL9170_TX_SUPER_RI_ERP_PROT 0x18
+#define CARL9170_TX_SUPER_RI_ERP_PROT_S 3
+#define CARL9170_TX_SUPER_RI_AMPDU 0x20
+#define CARL9170_TX_SUPER_RI_AMPDU_S 5
+
+struct _carl9170_tx_superdesc {
+ __le16 len;
+ u8 rix;
+ u8 cnt;
+ u8 cookie;
+ u8 ampdu_settings;
+ u8 misc;
+ u8 padding;
+ u8 ri[CARL9170_TX_MAX_RATES];
+ __le32 rr[CARL9170_TX_MAX_RETRY_RATES];
+} __packed;
+
+struct _carl9170_tx_superframe {
+ struct _carl9170_tx_superdesc s;
+ struct _ar9170_tx_hwdesc f;
+ u8 frame_data[0];
+} __packed;
+
+#define CARL9170_TX_SUPERDESC_LEN 24
+#define AR9170_TX_HWDESC_LEN 8
+#define AR9170_TX_SUPERFRAME_LEN (CARL9170_TX_HWDESC_LEN + \
+ AR9170_TX_SUPERDESC_LEN)
+
+struct ar9170_rx_head {
+ u8 plcp[12];
+} __packed;
+
+struct ar9170_rx_phystatus {
+ union {
+ struct {
+ u8 rssi_ant0, rssi_ant1, rssi_ant2,
+ rssi_ant0x, rssi_ant1x, rssi_ant2x,
+ rssi_combined;
+ } __packed;
+ u8 rssi[7];
+ } __packed;
+
+ u8 evm_stream0[6], evm_stream1[6];
+ u8 phy_err;
+} __packed;
+
+struct ar9170_rx_macstatus {
+ u8 SAidx, DAidx;
+ u8 error;
+ u8 status;
+} __packed;
+
+struct ar9170_rx_frame_single {
+ struct ar9170_rx_head phy_head;
+ struct ieee80211_hdr i3e;
+ struct ar9170_rx_phystatus phy_tail;
+ struct ar9170_rx_macstatus macstatus;
+} __packed;
+
+struct ar9170_rx_frame_head {
+ struct ar9170_rx_head phy_head;
+ struct ieee80211_hdr i3e;
+ struct ar9170_rx_macstatus macstatus;
+} __packed;
+
+struct ar9170_rx_frame_middle {
+ struct ieee80211_hdr i3e;
+ struct ar9170_rx_macstatus macstatus;
+} __packed;
+
+struct ar9170_rx_frame_tail {
+ struct ieee80211_hdr i3e;
+ struct ar9170_rx_phystatus phy_tail;
+ struct ar9170_rx_macstatus macstatus;
+} __packed;
+
+struct ar9170_rx_frame {
+ union {
+ struct ar9170_rx_frame_single single;
+ struct ar9170_rx_frame_head head;
+ struct ar9170_rx_frame_middle middle;
+ struct ar9170_rx_frame_tail tail;
+ } __packed;
+} __packed;
+
+static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t)
+{
+ return (t->SAidx & 0xc0) >> 4 |
+ (t->DAidx & 0xc0) >> 6;
+}
+
+enum ar9170_txq {
+ AR9170_TXQ_BE,
+
+ AR9170_TXQ_VI,
+ AR9170_TXQ_VO,
+ AR9170_TXQ_BK,
+
+ __AR9170_NUM_TXQ,
+};
+
+static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 2, 1, 0, 3 };
+
+#define AR9170_TXQ_DEPTH 32
+
+#endif /* __CARL9170_SHARED_WLAN_H */