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  • only in /netgear-WNDR4500v2-V1.0.0.60_1.0.38/src/linux/linux-2.6/drivers/net/wireless/zd1211rw/
1/* zd_rf_al2230.c: Functions for the AL2230 RF controller
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 */
17
18#include <linux/kernel.h>
19
20#include "zd_rf.h"
21#include "zd_usb.h"
22#include "zd_chip.h"
23
24static const u32 zd1211_al2230_table[][3] = {
25	RF_CHANNEL( 1) = { 0x03f790, 0x033331, 0x00000d, },
26	RF_CHANNEL( 2) = { 0x03f790, 0x0b3331, 0x00000d, },
27	RF_CHANNEL( 3) = { 0x03e790, 0x033331, 0x00000d, },
28	RF_CHANNEL( 4) = { 0x03e790, 0x0b3331, 0x00000d, },
29	RF_CHANNEL( 5) = { 0x03f7a0, 0x033331, 0x00000d, },
30	RF_CHANNEL( 6) = { 0x03f7a0, 0x0b3331, 0x00000d, },
31	RF_CHANNEL( 7) = { 0x03e7a0, 0x033331, 0x00000d, },
32	RF_CHANNEL( 8) = { 0x03e7a0, 0x0b3331, 0x00000d, },
33	RF_CHANNEL( 9) = { 0x03f7b0, 0x033331, 0x00000d, },
34	RF_CHANNEL(10) = { 0x03f7b0, 0x0b3331, 0x00000d, },
35	RF_CHANNEL(11) = { 0x03e7b0, 0x033331, 0x00000d, },
36	RF_CHANNEL(12) = { 0x03e7b0, 0x0b3331, 0x00000d, },
37	RF_CHANNEL(13) = { 0x03f7c0, 0x033331, 0x00000d, },
38	RF_CHANNEL(14) = { 0x03e7c0, 0x066661, 0x00000d, },
39};
40
41static const u32 zd1211b_al2230_table[][3] = {
42	RF_CHANNEL( 1) = { 0x09efc0, 0x8cccc0, 0xb00000, },
43	RF_CHANNEL( 2) = { 0x09efc0, 0x8cccd0, 0xb00000, },
44	RF_CHANNEL( 3) = { 0x09e7c0, 0x8cccc0, 0xb00000, },
45	RF_CHANNEL( 4) = { 0x09e7c0, 0x8cccd0, 0xb00000, },
46	RF_CHANNEL( 5) = { 0x05efc0, 0x8cccc0, 0xb00000, },
47	RF_CHANNEL( 6) = { 0x05efc0, 0x8cccd0, 0xb00000, },
48	RF_CHANNEL( 7) = { 0x05e7c0, 0x8cccc0, 0xb00000, },
49	RF_CHANNEL( 8) = { 0x05e7c0, 0x8cccd0, 0xb00000, },
50	RF_CHANNEL( 9) = { 0x0defc0, 0x8cccc0, 0xb00000, },
51	RF_CHANNEL(10) = { 0x0defc0, 0x8cccd0, 0xb00000, },
52	RF_CHANNEL(11) = { 0x0de7c0, 0x8cccc0, 0xb00000, },
53	RF_CHANNEL(12) = { 0x0de7c0, 0x8cccd0, 0xb00000, },
54	RF_CHANNEL(13) = { 0x03efc0, 0x8cccc0, 0xb00000, },
55	RF_CHANNEL(14) = { 0x03e7c0, 0x866660, 0xb00000, },
56};
57
58static const struct zd_ioreq16 zd1211b_ioreqs_shared_1[] = {
59	{ CR240, 0x57 }, { CR9,   0xe0 },
60};
61
62static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
63	{ CR47,   0x1e }, /* MARK_002 */
64	{ CR106,  0x22 },
65	{ CR107,  0x2a }, /* MARK_002 */
66	{ CR109,  0x13 }, /* MARK_002 */
67	{ CR118,  0xf8 }, /* MARK_002 */
68	{ CR119,  0x12 }, { CR122,  0xe0 },
69	{ CR128,  0x10 }, /* MARK_001 from 0xe->0x10 */
70	{ CR129,  0x0e }, /* MARK_001 from 0xd->0x0e */
71	{ CR130,  0x10 }, /* MARK_001 from 0xb->0x0d */
72};
73
74static int zd1211b_al2230_finalize_rf(struct zd_chip *chip)
75{
76	int r;
77	static const struct zd_ioreq16 ioreqs[] = {
78		{ CR80,  0x30 }, { CR81,  0x30 }, { CR79,  0x58 },
79		{ CR12,  0xf0 }, { CR77,  0x1b }, { CR78,  0x58 },
80		{ CR203, 0x06 },
81		{ },
82
83		{ CR240, 0x80 },
84	};
85
86	r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
87	if (r)
88		return r;
89
90	/* related to antenna selection? */
91	if (chip->new_phy_layout) {
92		r = zd_iowrite16_locked(chip, 0xe1, CR9);
93		if (r)
94			return r;
95	}
96
97	return zd_iowrite16_locked(chip, 0x06, CR203);
98}
99
100static int zd1211_al2230_init_hw(struct zd_rf *rf)
101{
102	int r;
103	struct zd_chip *chip = zd_rf_to_chip(rf);
104
105	static const struct zd_ioreq16 ioreqs_init[] = {
106		{ CR15,   0x20 }, { CR23,   0x40 }, { CR24,  0x20 },
107		{ CR26,   0x11 }, { CR28,   0x3e }, { CR29,  0x00 },
108		{ CR44,   0x33 }, { CR106,  0x2a }, { CR107, 0x1a },
109		{ CR109,  0x09 }, { CR110,  0x27 }, { CR111, 0x2b },
110		{ CR112,  0x2b }, { CR119,  0x0a }, { CR10,  0x89 },
111		/* for newest (3rd cut) AL2300 */
112		{ CR17,   0x28 },
113		{ CR26,   0x93 }, { CR34,   0x30 },
114		/* for newest (3rd cut) AL2300 */
115		{ CR35,   0x3e },
116		{ CR41,   0x24 }, { CR44,   0x32 },
117		/* for newest (3rd cut) AL2300 */
118		{ CR46,   0x96 },
119		{ CR47,   0x1e }, { CR79,   0x58 }, { CR80,  0x30 },
120		{ CR81,   0x30 }, { CR87,   0x0a }, { CR89,  0x04 },
121		{ CR92,   0x0a }, { CR99,   0x28 }, { CR100, 0x00 },
122		{ CR101,  0x13 }, { CR102,  0x27 }, { CR106, 0x24 },
123		{ CR107,  0x2a }, { CR109,  0x09 }, { CR110, 0x13 },
124		{ CR111,  0x1f }, { CR112,  0x1f }, { CR113, 0x27 },
125		{ CR114,  0x27 },
126		/* for newest (3rd cut) AL2300 */
127		{ CR115,  0x24 },
128		{ CR116,  0x24 }, { CR117,  0xf4 }, { CR118, 0xfc },
129		{ CR119,  0x10 }, { CR120,  0x4f }, { CR121, 0x77 },
130		{ CR122,  0xe0 }, { CR137,  0x88 }, { CR252, 0xff },
131		{ CR253,  0xff },
132	};
133
134	static const struct zd_ioreq16 ioreqs_pll[] = {
135		/* shdnb(PLL_ON)=0 */
136		{ CR251,  0x2f },
137		/* shdnb(PLL_ON)=1 */
138		{ CR251,  0x3f },
139		{ CR138,  0x28 }, { CR203,  0x06 },
140	};
141
142	static const u32 rv1[] = {
143		/* Channel 1 */
144		0x03f790,
145		0x033331,
146		0x00000d,
147
148		0x0b3331,
149		0x03b812,
150		0x00fff3,
151	};
152
153	static const u32 rv2[] = {
154		0x000da4,
155		0x0f4dc5, /* fix freq shift, 0x04edc5 */
156		0x0805b6,
157		0x011687,
158		0x000688,
159		0x0403b9, /* external control TX power (CR31) */
160		0x00dbba,
161		0x00099b,
162		0x0bdffc,
163		0x00000d,
164		0x00500f,
165	};
166
167	static const u32 rv3[] = {
168		0x00d00f,
169		0x004c0f,
170		0x00540f,
171		0x00700f,
172		0x00500f,
173	};
174
175	r = zd_iowrite16a_locked(chip, ioreqs_init, ARRAY_SIZE(ioreqs_init));
176	if (r)
177		return r;
178
179	if (chip->al2230s_bit) {
180		r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
181			ARRAY_SIZE(ioreqs_init_al2230s));
182		if (r)
183			return r;
184	}
185
186	r = zd_rfwritev_locked(chip, rv1, ARRAY_SIZE(rv1), RF_RV_BITS);
187	if (r)
188		return r;
189
190	/* improve band edge for AL2230S */
191	if (chip->al2230s_bit)
192		r = zd_rfwrite_locked(chip, 0x000824, RF_RV_BITS);
193	else
194		r = zd_rfwrite_locked(chip, 0x0005a4, RF_RV_BITS);
195	if (r)
196		return r;
197
198	r = zd_rfwritev_locked(chip, rv2, ARRAY_SIZE(rv2), RF_RV_BITS);
199	if (r)
200		return r;
201
202	r = zd_iowrite16a_locked(chip, ioreqs_pll, ARRAY_SIZE(ioreqs_pll));
203	if (r)
204		return r;
205
206	r = zd_rfwritev_locked(chip, rv3, ARRAY_SIZE(rv3), RF_RV_BITS);
207	if (r)
208		return r;
209
210	return 0;
211}
212
213static int zd1211b_al2230_init_hw(struct zd_rf *rf)
214{
215	int r;
216	struct zd_chip *chip = zd_rf_to_chip(rf);
217
218	static const struct zd_ioreq16 ioreqs1[] = {
219		{ CR10,  0x89 }, { CR15,  0x20 },
220		{ CR17,  0x2B }, /* for newest(3rd cut) AL2230 */
221		{ CR23,  0x40 }, { CR24,  0x20 }, { CR26,  0x93 },
222		{ CR28,  0x3e }, { CR29,  0x00 },
223		{ CR33,  0x28 }, /* 5621 */
224		{ CR34,  0x30 },
225		{ CR35,  0x3e }, /* for newest(3rd cut) AL2230 */
226		{ CR41,  0x24 }, { CR44,  0x32 },
227		{ CR46,  0x99 }, /* for newest(3rd cut) AL2230 */
228		{ CR47,  0x1e },
229
230		/* ZD1211B 05.06.10 */
231		{ CR48,  0x06 }, { CR49,  0xf9 }, { CR51,  0x01 },
232		{ CR52,  0x80 }, { CR53,  0x7e }, { CR65,  0x00 },
233		{ CR66,  0x00 }, { CR67,  0x00 }, { CR68,  0x00 },
234		{ CR69,  0x28 },
235
236		{ CR79,  0x58 }, { CR80,  0x30 }, { CR81,  0x30 },
237		{ CR87,  0x0a }, { CR89,  0x04 },
238		{ CR91,  0x00 }, /* 5621 */
239		{ CR92,  0x0a },
240		{ CR98,  0x8d }, /* 4804,  for 1212 new algorithm */
241		{ CR99,  0x00 }, /* 5621 */
242		{ CR101, 0x13 }, { CR102, 0x27 },
243		{ CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
244		{ CR107, 0x2a },
245		{ CR109, 0x13 }, /* 4804, for 1212 new algorithm */
246		{ CR110, 0x1f }, /* 4804, for 1212 new algorithm */
247		{ CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
248		{ CR114, 0x27 },
249		{ CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut) AL2230 */
250		{ CR116, 0x24 },
251		{ CR117, 0xfa }, /* for 1211b */
252		{ CR118, 0xfa }, /* for 1211b */
253		{ CR119, 0x10 },
254		{ CR120, 0x4f },
255		{ CR121, 0x6c }, /* for 1211b */
256		{ CR122, 0xfc }, /* E0->FC at 4902 */
257		{ CR123, 0x57 }, /* 5623 */
258		{ CR125, 0xad }, /* 4804, for 1212 new algorithm */
259		{ CR126, 0x6c }, /* 5614 */
260		{ CR127, 0x03 }, /* 4804, for 1212 new algorithm */
261		{ CR137, 0x50 }, /* 5614 */
262		{ CR138, 0xa8 },
263		{ CR144, 0xac }, /* 5621 */
264		{ CR150, 0x0d }, { CR252, 0x34 }, { CR253, 0x34 },
265	};
266
267	static const u32 rv1[] = {
268		0x8cccd0,
269		0x481dc0,
270		0xcfff00,
271		0x25a000,
272	};
273
274	static const u32 rv2[] = {
275		/* To improve AL2230 yield, improve phase noise, 4713 */
276		0x25a000,
277		0xa3b2f0,
278
279		0x6da010, /* Reg6 update for MP versio */
280		0xe36280, /* Modified by jxiao for Bor-Chin on 2004/08/02 */
281		0x116000,
282		0x9dc020, /* External control TX power (CR31) */
283		0x5ddb00, /* RegA update for MP version */
284		0xd99000, /* RegB update for MP version */
285		0x3ffbd0, /* RegC update for MP version */
286		0xb00000, /* RegD update for MP version */
287
288		/* improve phase noise and remove phase calibration,4713 */
289		0xf01a00,
290	};
291
292	static const struct zd_ioreq16 ioreqs2[] = {
293		{ CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
294		{ CR251, 0x7f }, /* shdnb(PLL_ON)=1 */
295	};
296
297	static const u32 rv3[] = {
298		/* To improve AL2230 yield, 4713 */
299		0xf01b00,
300		0xf01e00,
301		0xf01a00,
302	};
303
304	static const struct zd_ioreq16 ioreqs3[] = {
305		/* related to 6M band edge patching, happens unconditionally */
306		{ CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
307	};
308
309	r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
310		ARRAY_SIZE(zd1211b_ioreqs_shared_1));
311	if (r)
312		return r;
313	r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
314	if (r)
315		return r;
316
317	if (chip->al2230s_bit) {
318		r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
319			ARRAY_SIZE(ioreqs_init_al2230s));
320		if (r)
321			return r;
322	}
323
324	r = zd_rfwritev_cr_locked(chip, zd1211b_al2230_table[0], 3);
325	if (r)
326		return r;
327	r = zd_rfwritev_cr_locked(chip, rv1, ARRAY_SIZE(rv1));
328	if (r)
329		return r;
330
331	if (chip->al2230s_bit)
332		r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
333	else
334		r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
335	if (r)
336		return r;
337
338	r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
339	if (r)
340		return r;
341	r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
342	if (r)
343		return r;
344	r = zd_rfwritev_cr_locked(chip, rv3, ARRAY_SIZE(rv3));
345	if (r)
346		return r;
347	r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
348	if (r)
349		return r;
350	return zd1211b_al2230_finalize_rf(chip);
351}
352
353static int zd1211_al2230_set_channel(struct zd_rf *rf, u8 channel)
354{
355	int r;
356	const u32 *rv = zd1211_al2230_table[channel-1];
357	struct zd_chip *chip = zd_rf_to_chip(rf);
358	static const struct zd_ioreq16 ioreqs[] = {
359		{ CR138, 0x28 },
360		{ CR203, 0x06 },
361	};
362
363	r = zd_rfwritev_locked(chip, rv, 3, RF_RV_BITS);
364	if (r)
365		return r;
366	return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
367}
368
369static int zd1211b_al2230_set_channel(struct zd_rf *rf, u8 channel)
370{
371	int r;
372	const u32 *rv = zd1211b_al2230_table[channel-1];
373	struct zd_chip *chip = zd_rf_to_chip(rf);
374
375	r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
376		ARRAY_SIZE(zd1211b_ioreqs_shared_1));
377	if (r)
378		return r;
379
380	r = zd_rfwritev_cr_locked(chip, rv, 3);
381	if (r)
382		return r;
383
384	return zd1211b_al2230_finalize_rf(chip);
385}
386
387static int zd1211_al2230_switch_radio_on(struct zd_rf *rf)
388{
389	struct zd_chip *chip = zd_rf_to_chip(rf);
390	static const struct zd_ioreq16 ioreqs[] = {
391		{ CR11,  0x00 },
392		{ CR251, 0x3f },
393	};
394
395	return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
396}
397
398static int zd1211b_al2230_switch_radio_on(struct zd_rf *rf)
399{
400	struct zd_chip *chip = zd_rf_to_chip(rf);
401	static const struct zd_ioreq16 ioreqs[] = {
402		{ CR11,  0x00 },
403		{ CR251, 0x7f },
404	};
405
406	return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
407}
408
409static int al2230_switch_radio_off(struct zd_rf *rf)
410{
411	struct zd_chip *chip = zd_rf_to_chip(rf);
412	static const struct zd_ioreq16 ioreqs[] = {
413		{ CR11,  0x04 },
414		{ CR251, 0x2f },
415	};
416
417	return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
418}
419
420int zd_rf_init_al2230(struct zd_rf *rf)
421{
422	struct zd_chip *chip = zd_rf_to_chip(rf);
423
424	rf->switch_radio_off = al2230_switch_radio_off;
425	if (chip->is_zd1211b) {
426		rf->init_hw = zd1211b_al2230_init_hw;
427		rf->set_channel = zd1211b_al2230_set_channel;
428		rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
429	} else {
430		rf->init_hw = zd1211_al2230_init_hw;
431		rf->set_channel = zd1211_al2230_set_channel;
432		rf->switch_radio_on = zd1211_al2230_switch_radio_on;
433	}
434	rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
435	return 0;
436}
437