[P54]: add mac80211-based driver for prism54 softmac hardware

Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 329 insertions, 0 deletions

diff --git a/drivers/net/wireless/p54common.h b/drivers/net/wireless/p54common.h
new file mode 100644
index 000000000000..a721334e20d9
--- /dev/null
+++ b/drivers/net/wireless/p54common.h
@@ -0,0 +1,329 @@
+#ifndef PRISM54COMMON_H
+#define PRISM54COMMON_H
+
+/*
+ * Common code specific definitions for mac80211 Prism54 drivers
+ *
+ * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
+ * Copyright (c) 2007, Christian Lamparter <chunkeey@web.de>
+ *
+ * Based on the islsm (softmac prism54) driver, which is:
+ * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+struct bootrec {
+        __le32 code;
+        __le32 len;
+        u32 data[0];
+} __attribute__((packed));
+
+struct bootrec_exp_if {
+        __le16 role;
+        __le16 if_id;
+        __le16 variant;
+        __le16 btm_compat;
+        __le16 top_compat;
+} __attribute__((packed));
+
+#define BR_CODE_MIN                     0x80000000
+#define BR_CODE_COMPONENT_ID            0x80000001
+#define BR_CODE_COMPONENT_VERSION       0x80000002
+#define BR_CODE_DEPENDENT_IF            0x80000003
+#define BR_CODE_EXPOSED_IF              0x80000004
+#define BR_CODE_DESCR                   0x80000101
+#define BR_CODE_MAX                     0x8FFFFFFF
+#define BR_CODE_END_OF_BRA              0xFF0000FF
+#define LEGACY_BR_CODE_END_OF_BRA       0xFFFFFFFF
+
+#define FW_FMAC 0x464d4143
+#define FW_LM86 0x4c4d3836
+#define FW_LM87 0x4c4d3837
+#define FW_LM20 0x4c4d3230
+
+/* PDA defines are Copyright (C) 2005 Nokia Corporation (taken from islsm_pda.h) */
+
+struct pda_entry {
+        __le16 len;     /* includes both code and data */
+        __le16 code;
+        u8 data[0];
+} __attribute__ ((packed));
+
+struct eeprom_pda_wrap {
+        u32 magic;
+        u16 pad;
+        u16 len;
+        u32 arm_opcode;
+        u8 data[0];
+} __attribute__ ((packed));
+
+struct pda_iq_autocal_entry {
+        __le16 freq;
+        __le16 iq_param[4];
+} __attribute__ ((packed));
+
+struct pda_channel_output_limit {
+        __le16 freq;
+        u8 val_bpsk;
+        u8 val_qpsk;
+        u8 val_16qam;
+        u8 val_64qam;
+        u8 rate_set_mask;
+        u8 rate_set_size;
+} __attribute__ ((packed));
+
+struct pda_pa_curve_data_sample_rev0 {
+        u8 rf_power;
+        u8 pa_detector;
+        u8 pcv;
+} __attribute__ ((packed));
+
+struct pda_pa_curve_data_sample_rev1 {
+        u8 rf_power;
+        u8 pa_detector;
+        u8 data_barker;
+        u8 data_bpsk;
+        u8 data_qpsk;
+        u8 data_16qam;
+        u8 data_64qam;
+        u8 padding;
+} __attribute__ ((packed));
+
+struct pda_pa_curve_data {
+        u8 cal_method_rev;
+        u8 channels;
+        u8 points_per_channel;
+        u8 padding;
+        u8 data[0];
+} __attribute__ ((packed));
+
+/*
+ * this defines the PDR codes used to build PDAs as defined in document
+ * number 553155. The current implementation mirrors version 1.1 of the
+ * document and lists only PDRs supported by the ARM platform.
+ */
+
+/* common and choice range (0x0000 - 0x0fff) */
+#define PDR_END                                 0x0000
+#define PDR_MANUFACTURING_PART_NUMBER           0x0001
+#define PDR_PDA_VERSION                         0x0002
+#define PDR_NIC_SERIAL_NUMBER                   0x0003
+
+#define PDR_MAC_ADDRESS                         0x0101
+#define PDR_REGULATORY_DOMAIN_LIST              0x0103
+#define PDR_TEMPERATURE_TYPE                    0x0107
+
+#define PDR_PRISM_PCI_IDENTIFIER                0x0402
+
+/* ARM range (0x1000 - 0x1fff) */
+#define PDR_COUNTRY_INFORMATION                 0x1000
+#define PDR_INTERFACE_LIST                      0x1001
+#define PDR_HARDWARE_PLATFORM_COMPONENT_ID      0x1002
+#define PDR_OEM_NAME                            0x1003
+#define PDR_PRODUCT_NAME                        0x1004
+#define PDR_UTF8_OEM_NAME                       0x1005
+#define PDR_UTF8_PRODUCT_NAME                   0x1006
+#define PDR_COUNTRY_LIST                        0x1007
+#define PDR_DEFAULT_COUNTRY                     0x1008
+
+#define PDR_ANTENNA_GAIN                        0x1100
+
+#define PDR_PRISM_INDIGO_PA_CALIBRATION_DATA    0x1901
+#define PDR_RSSI_LINEAR_APPROXIMATION           0x1902
+#define PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS    0x1903
+#define PDR_PRISM_PA_CAL_CURVE_DATA             0x1904
+#define PDR_RSSI_LINEAR_APPROXIMATION_DUAL_BAND 0x1905
+#define PDR_PRISM_ZIF_TX_IQ_CALIBRATION         0x1906
+#define PDR_REGULATORY_POWER_LIMITS             0x1907
+#define PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED  0x1908
+#define PDR_RADIATED_TRANSMISSION_CORRECTION    0x1909
+#define PDR_PRISM_TX_IQ_CALIBRATION             0x190a
+
+/* reserved range (0x2000 - 0x7fff) */
+
+/* customer range (0x8000 - 0xffff) */
+#define PDR_BASEBAND_REGISTERS                  0x8000
+#define PDR_PER_CHANNEL_BASEBAND_REGISTERS      0x8001
+
+/* stored in skb->cb */
+struct memrecord {
+        u32 start_addr;
+        u32 end_addr;
+        struct ieee80211_tx_control *control;
+};
+
+struct p54_eeprom_lm86 {
+        __le16 offset;
+        __le16 len;
+        u8 data[0];
+} __attribute__ ((packed));
+
+struct p54_rx_hdr {
+        __le16 magic;
+        __le16 len;
+        __le16 freq;
+        u8 antenna;
+        u8 rate;
+        u8 rssi;
+        u8 quality;
+        u16 unknown2;
+        __le64 timestamp;
+        u8 data[0];
+} __attribute__ ((packed));
+
+struct p54_frame_sent_hdr {
+        u8 status;
+        u8 retries;
+        __le16 ack_rssi;
+        __le16 seq;
+        u16 rate;
+} __attribute__ ((packed));
+
+struct p54_tx_control_allocdata {
+        u8 rateset[8];
+        u16 padding;
+        u8 wep_key_present;
+        u8 wep_key_len;
+        u8 wep_key[16];
+        __le32 frame_type;
+        u32 padding2;
+        __le16 magic4;
+        u8 antenna;
+        u8 output_power;
+        __le32 magic5;
+        u8 align[0];
+} __attribute__ ((packed));
+
+struct p54_tx_control_filter {
+        __le16 filter_type;
+        u8 dst[ETH_ALEN];
+        u8 src[ETH_ALEN];
+        u8 antenna;
+        u8 debug;
+        __le32 magic3;
+        u8 rates[8];    // FIXME: what's this for?
+        __le32 rx_addr;
+        __le16 max_rx;
+        __le16 rxhw;
+        __le16 magic8;
+        __le16 magic9;
+} __attribute__ ((packed));
+
+struct p54_tx_control_channel {
+        __le16 magic1;
+        __le16 magic2;
+        u8 padding1[20];
+        struct pda_iq_autocal_entry iq_autocal;
+        u8 pa_points_per_curve;
+        u8 val_barker;
+        u8 val_bpsk;
+        u8 val_qpsk;
+        u8 val_16qam;
+        u8 val_64qam;
+        struct pda_pa_curve_data_sample_rev1 curve_data[0];
+        /* additional padding/data after curve_data */
+} __attribute__ ((packed));
+
+struct p54_tx_control_led {
+        __le16 mode;
+        __le16 led_temporary;
+        __le16 led_permanent;
+        __le16 duration;
+} __attribute__ ((packed));
+
+struct p54_tx_vdcf_queues {
+        __le16 aifs;
+        __le16 cwmin;
+        __le16 cwmax;
+        __le16 txop;
+} __attribute__ ((packed));
+
+struct p54_tx_control_vdcf {
+        u8 padding;
+        u8 slottime;
+        u8 magic1;
+        u8 magic2;
+        struct p54_tx_vdcf_queues queue[8];
+        u8 pad2[4];
+        __le16 frameburst;
+} __attribute__ ((packed));
+
+static const struct ieee80211_rate p54_rates[] = {
+        { .rate = 10,
+          .val = 0,
+          .val2 = 0x10,
+          .flags = IEEE80211_RATE_CCK_2 },
+        { .rate = 20,
+          .val = 1,
+          .val2 = 0x11,
+          .flags = IEEE80211_RATE_CCK_2 },
+        { .rate = 55,
+          .val = 2,
+          .val2 = 0x12,
+          .flags = IEEE80211_RATE_CCK_2 },
+        { .rate = 110,
+          .val = 3,
+          .val2 = 0x13,
+          .flags = IEEE80211_RATE_CCK_2 },
+        { .rate = 60,
+          .val = 4,
+          .flags = IEEE80211_RATE_OFDM },
+        { .rate = 90,
+          .val = 5,
+          .flags = IEEE80211_RATE_OFDM },
+        { .rate = 120,
+          .val = 6,
+          .flags = IEEE80211_RATE_OFDM },
+        { .rate = 180,
+          .val = 7,
+          .flags = IEEE80211_RATE_OFDM },
+        { .rate = 240,
+          .val = 8,
+          .flags = IEEE80211_RATE_OFDM },
+        { .rate = 360,
+          .val = 9,
+          .flags = IEEE80211_RATE_OFDM },
+        { .rate = 480,
+          .val = 10,
+          .flags = IEEE80211_RATE_OFDM },
+        { .rate = 540,
+          .val = 11,
+          .flags = IEEE80211_RATE_OFDM },
+};
+
+// TODO: just generate this..
+static const struct ieee80211_channel p54_channels[] = {
+        { .chan = 1,
+          .freq = 2412},
+        { .chan = 2,
+          .freq = 2417},
+        { .chan = 3,
+          .freq = 2422},
+        { .chan = 4,
+          .freq = 2427},
+        { .chan = 5,
+          .freq = 2432},
+        { .chan = 6,
+          .freq = 2437},
+        { .chan = 7,
+          .freq = 2442},
+        { .chan = 8,
+          .freq = 2447},
+        { .chan = 9,
+          .freq = 2452},
+        { .chan = 10,
+          .freq = 2457},
+        { .chan = 11,
+          .freq = 2462},
+        { .chan = 12,
+          .freq = 2467},
+        { .chan = 13,
+          .freq = 2472},
+        { .chan = 14,
+          .freq = 2484}
+};
+
+#endif /* PRISM54COMMON_H */