drivers/net/wireless/zd1211rw/zd_rf.h

   1 /* ZD1211 USB-WLAN driver for Linux
   2  *
   3  * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
   4  * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef _ZD_RF_H
  21 #define _ZD_RF_H
  22
  23 #define UW2451_RF                       0x2
  24 #define UCHIP_RF                        0x3
  25 #define AL2230_RF                       0x4
  26 #define AL7230B_RF                      0x5     /* a,b,g */
  27 #define THETA_RF                        0x6
  28 #define AL2210_RF                       0x7
  29 #define MAXIM_NEW_RF                    0x8
  30 #define UW2453_RF                       0x9
  31 #define AL2230S_RF                      0xa
  32 #define RALINK_RF                       0xb
  33 #define INTERSIL_RF                     0xc
  34 #define RF2959_RF                       0xd
  35 #define MAXIM_NEW2_RF                   0xe
  36 #define PHILIPS_RF                      0xf
  37
  38 #define RF_CHANNEL(ch) [(ch)-1]
  39
  40 /* Provides functions of the RF transceiver. */
  41
  42 enum {
  43         RF_REG_BITS = 6,
  44         RF_VALUE_BITS = 18,
  45         RF_RV_BITS = RF_REG_BITS + RF_VALUE_BITS,
  46 };
  47
  48 struct zd_rf {
  49         u8 type;
  50
  51         u8 channel;
  52
  53         /* whether channel integration and calibration should be updated
  54          * defaults to 1 (yes) */
  55         u8 update_channel_int:1;
  56
  57         /* whether ZD_CR47 should be patched from the EEPROM, if the appropriate
  58          * flag is set in the POD. The vendor driver suggests that this should
  59          * be done for all RF's, but a bug in their code prevents but their
  60          * HW_OverWritePhyRegFromE2P() routine from ever taking effect. */
  61         u8 patch_cck_gain:1;
  62
  63         /* private RF driver data */
  64         void *priv;
  65
  66         /* RF-specific functions */
  67         int (*init_hw)(struct zd_rf *rf);
  68         int (*set_channel)(struct zd_rf *rf, u8 channel);
  69         int (*switch_radio_on)(struct zd_rf *rf);
  70         int (*switch_radio_off)(struct zd_rf *rf);
  71         int (*patch_6m_band_edge)(struct zd_rf *rf, u8 channel);
  72         void (*clear)(struct zd_rf *rf);
  73 };
  74
  75 const char *zd_rf_name(u8 type);
  76 void zd_rf_init(struct zd_rf *rf);
  77 void zd_rf_clear(struct zd_rf *rf);
  78 int zd_rf_init_hw(struct zd_rf *rf, u8 type);
  79
  80 int zd_rf_scnprint_id(struct zd_rf *rf, char *buffer, size_t size);
  81
  82 int zd_rf_set_channel(struct zd_rf *rf, u8 channel);
  83
  84 int zd_switch_radio_on(struct zd_rf *rf);
  85 int zd_switch_radio_off(struct zd_rf *rf);
  86
  87 int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel);
  88 int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel);
  89
  90 static inline int zd_rf_should_update_pwr_int(struct zd_rf *rf)
  91 {
  92         return rf->update_channel_int;
  93 }
  94
  95 static inline int zd_rf_should_patch_cck_gain(struct zd_rf *rf)
  96 {
  97         return rf->patch_cck_gain;
  98 }
  99
 100 int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel);
 101 int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel);
 102
 103 /* Functions for individual RF chips */
 104
 105 int zd_rf_init_rf2959(struct zd_rf *rf);
 106 int zd_rf_init_al2230(struct zd_rf *rf);
 107 int zd_rf_init_al7230b(struct zd_rf *rf);
 108 int zd_rf_init_uw2453(struct zd_rf *rf);
 109
 110 #endif /* _ZD_RF_H */