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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef _ZD_RF_H
22#define _ZD_RF_H
23
24#define UW2451_RF			0x2
25#define UCHIP_RF			0x3
26#define AL2230_RF			0x4
27#define AL7230B_RF			0x5	/* a,b,g */
28#define THETA_RF			0x6
29#define AL2210_RF			0x7
30#define MAXIM_NEW_RF			0x8
31#define UW2453_RF			0x9
32#define AL2230S_RF			0xa
33#define RALINK_RF			0xb
34#define INTERSIL_RF			0xc
35#define RF2959_RF			0xd
36#define MAXIM_NEW2_RF			0xe
37#define PHILIPS_RF			0xf
38
39#define RF_CHANNEL(ch) [(ch)-1]
40
41/* Provides functions of the RF transceiver. */
42
43enum {
44	RF_REG_BITS = 6,
45	RF_VALUE_BITS = 18,
46	RF_RV_BITS = RF_REG_BITS + RF_VALUE_BITS,
47};
48
49struct zd_rf {
50	u8 type;
51
52	u8 channel;
53
54	/* whether channel integration and calibration should be updated
55	 * defaults to 1 (yes) */
56	u8 update_channel_int:1;
57
58	/* whether ZD_CR47 should be patched from the EEPROM, if the appropriate
59	 * flag is set in the POD. The vendor driver suggests that this should
60	 * be done for all RF's, but a bug in their code prevents but their
61	 * HW_OverWritePhyRegFromE2P() routine from ever taking effect. */
62	u8 patch_cck_gain:1;
63
64	/* private RF driver data */
65	void *priv;
66
67	/* RF-specific functions */
68	int (*init_hw)(struct zd_rf *rf);
69	int (*set_channel)(struct zd_rf *rf, u8 channel);
70	int (*switch_radio_on)(struct zd_rf *rf);
71	int (*switch_radio_off)(struct zd_rf *rf);
72	int (*patch_6m_band_edge)(struct zd_rf *rf, u8 channel);
73	void (*clear)(struct zd_rf *rf);
74};
75
76const char *zd_rf_name(u8 type);
77void zd_rf_init(struct zd_rf *rf);
78void zd_rf_clear(struct zd_rf *rf);
79int zd_rf_init_hw(struct zd_rf *rf, u8 type);
80
81int zd_rf_scnprint_id(struct zd_rf *rf, char *buffer, size_t size);
82
83int zd_rf_set_channel(struct zd_rf *rf, u8 channel);
84
85int zd_switch_radio_on(struct zd_rf *rf);
86int zd_switch_radio_off(struct zd_rf *rf);
87
88int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel);
89int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel);
90
91static inline int zd_rf_should_update_pwr_int(struct zd_rf *rf)
92{
93	return rf->update_channel_int;
94}
95
96static inline int zd_rf_should_patch_cck_gain(struct zd_rf *rf)
97{
98	return rf->patch_cck_gain;
99}
100
101int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel);
102int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel);
103
104/* Functions for individual RF chips */
105
106int zd_rf_init_rf2959(struct zd_rf *rf);
107int zd_rf_init_al2230(struct zd_rf *rf);
108int zd_rf_init_al7230b(struct zd_rf *rf);
109int zd_rf_init_uw2453(struct zd_rf *rf);
110
111#endif /* _ZD_RF_H */
112