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 */
111