File: | dev/ic/ar9003.c |
Warning: | line 240, column 2 Value stored to 'reg' is never read |
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1 | /* $OpenBSD: ar9003.c,v 1.56 2022/12/27 20:13:03 patrick Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> |
5 | * Copyright (c) 2010 Atheros Communications Inc. |
6 | * |
7 | * Permission to use, copy, modify, and/or distribute this software for any |
8 | * purpose with or without fee is hereby granted, provided that the above |
9 | * copyright notice and this permission notice appear in all copies. |
10 | * |
11 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
12 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
13 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
14 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
15 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
16 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
17 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
18 | */ |
19 | |
20 | /* |
21 | * Driver for Atheros 802.11a/g/n chipsets. |
22 | * Routines for AR9003 family. |
23 | */ |
24 | |
25 | #include "bpfilter.h" |
26 | |
27 | #include <sys/param.h> |
28 | #include <sys/sockio.h> |
29 | #include <sys/mbuf.h> |
30 | #include <sys/kernel.h> |
31 | #include <sys/socket.h> |
32 | #include <sys/systm.h> |
33 | #include <sys/malloc.h> |
34 | #include <sys/queue.h> |
35 | #include <sys/timeout.h> |
36 | #include <sys/conf.h> |
37 | #include <sys/device.h> |
38 | #include <sys/stdint.h> /* uintptr_t */ |
39 | #include <sys/endian.h> |
40 | |
41 | #include <machine/bus.h> |
42 | |
43 | #if NBPFILTER1 > 0 |
44 | #include <net/bpf.h> |
45 | #endif |
46 | #include <net/if.h> |
47 | #include <net/if_media.h> |
48 | |
49 | #include <netinet/in.h> |
50 | #include <netinet/if_ether.h> |
51 | |
52 | #include <net80211/ieee80211_var.h> |
53 | #include <net80211/ieee80211_amrr.h> |
54 | #include <net80211/ieee80211_ra.h> |
55 | #include <net80211/ieee80211_radiotap.h> |
56 | |
57 | #include <dev/ic/athnreg.h> |
58 | #include <dev/ic/athnvar.h> |
59 | |
60 | #include <dev/ic/ar9003reg.h> |
61 | |
62 | int ar9003_attach(struct athn_softc *); |
63 | int ar9003_read_eep_word(struct athn_softc *, uint32_t, uint16_t *); |
64 | int ar9003_read_eep_data(struct athn_softc *, uint32_t, void *, int); |
65 | int ar9003_read_otp_word(struct athn_softc *, uint32_t, uint32_t *); |
66 | int ar9003_read_otp_data(struct athn_softc *, uint32_t, void *, int); |
67 | int ar9003_find_rom(struct athn_softc *); |
68 | int ar9003_restore_rom_block(struct athn_softc *, uint8_t, uint8_t, |
69 | const uint8_t *, int); |
70 | int ar9003_read_rom(struct athn_softc *); |
71 | int ar9003_gpio_read(struct athn_softc *, int); |
72 | void ar9003_gpio_write(struct athn_softc *, int, int); |
73 | void ar9003_gpio_config_input(struct athn_softc *, int); |
74 | void ar9003_gpio_config_output(struct athn_softc *, int, int); |
75 | void ar9003_rfsilent_init(struct athn_softc *); |
76 | int ar9003_dma_alloc(struct athn_softc *); |
77 | void ar9003_dma_free(struct athn_softc *); |
78 | int ar9003_tx_alloc(struct athn_softc *); |
79 | void ar9003_tx_free(struct athn_softc *); |
80 | int ar9003_rx_alloc(struct athn_softc *, int, int); |
81 | void ar9003_rx_free(struct athn_softc *, int); |
82 | void ar9003_reset_txsring(struct athn_softc *); |
83 | void ar9003_rx_enable(struct athn_softc *); |
84 | void ar9003_rx_radiotap(struct athn_softc *, struct mbuf *, |
85 | struct ar_rx_status *); |
86 | int ar9003_rx_process(struct athn_softc *, int, struct mbuf_list *); |
87 | void ar9003_rx_intr(struct athn_softc *, int); |
88 | int ar9003_tx_process(struct athn_softc *); |
89 | void ar9003_tx_intr(struct athn_softc *); |
90 | int ar9003_swba_intr(struct athn_softc *); |
91 | int ar9003_intr(struct athn_softc *); |
92 | int ar9003_tx(struct athn_softc *, struct mbuf *, struct ieee80211_node *, |
93 | int); |
94 | void ar9003_set_rf_mode(struct athn_softc *, struct ieee80211_channel *); |
95 | int ar9003_rf_bus_request(struct athn_softc *); |
96 | void ar9003_rf_bus_release(struct athn_softc *); |
97 | void ar9003_set_phy(struct athn_softc *, struct ieee80211_channel *, |
98 | struct ieee80211_channel *); |
99 | void ar9003_set_delta_slope(struct athn_softc *, struct ieee80211_channel *, |
100 | struct ieee80211_channel *); |
101 | void ar9003_enable_antenna_diversity(struct athn_softc *); |
102 | void ar9003_init_baseband(struct athn_softc *); |
103 | void ar9003_disable_phy(struct athn_softc *); |
104 | void ar9003_init_chains(struct athn_softc *); |
105 | void ar9003_set_rxchains(struct athn_softc *); |
106 | void ar9003_read_noisefloor(struct athn_softc *, int16_t *, int16_t *); |
107 | void ar9003_write_noisefloor(struct athn_softc *, int16_t *, int16_t *); |
108 | int ar9003_get_noisefloor(struct athn_softc *); |
109 | void ar9003_apply_noisefloor(struct athn_softc *); |
110 | void ar9003_bb_load_noisefloor(struct athn_softc *); |
111 | void ar9003_do_noisefloor_calib(struct athn_softc *); |
112 | void ar9003_init_noisefloor_calib(struct athn_softc *); |
113 | int ar9003_init_calib(struct athn_softc *); |
114 | void ar9003_do_calib(struct athn_softc *); |
115 | void ar9003_next_calib(struct athn_softc *); |
116 | void ar9003_calib_iq(struct athn_softc *); |
117 | int ar9003_get_iq_corr(struct athn_softc *, int32_t *, int32_t *); |
118 | int ar9003_calib_tx_iq(struct athn_softc *); |
119 | void ar9003_paprd_calib(struct athn_softc *, struct ieee80211_channel *); |
120 | int ar9003_get_desired_txgain(struct athn_softc *, int, int); |
121 | void ar9003_force_txgain(struct athn_softc *, uint32_t); |
122 | void ar9003_set_training_gain(struct athn_softc *, int); |
123 | int ar9003_paprd_tx_tone(struct athn_softc *); |
124 | int ar9003_compute_predistortion(struct athn_softc *, const uint32_t *, |
125 | const uint32_t *); |
126 | void ar9003_enable_predistorter(struct athn_softc *, int); |
127 | void ar9003_paprd_enable(struct athn_softc *); |
128 | void ar9003_paprd_tx_tone_done(struct athn_softc *); |
129 | void ar9003_write_txpower(struct athn_softc *, int16_t *); |
130 | void ar9003_reset_rx_gain(struct athn_softc *, struct ieee80211_channel *); |
131 | void ar9003_reset_tx_gain(struct athn_softc *, struct ieee80211_channel *); |
132 | void ar9003_hw_init(struct athn_softc *, struct ieee80211_channel *, |
133 | struct ieee80211_channel *); |
134 | void ar9003_get_lg_tpow(struct athn_softc *, struct ieee80211_channel *, |
135 | uint8_t, const uint8_t *, const struct ar_cal_target_power_leg *, |
136 | int, uint8_t *); |
137 | void ar9003_get_ht_tpow(struct athn_softc *, struct ieee80211_channel *, |
138 | uint8_t, const uint8_t *, const struct ar_cal_target_power_ht *, |
139 | int, uint8_t *); |
140 | void ar9003_set_noise_immunity_level(struct athn_softc *, int); |
141 | void ar9003_enable_ofdm_weak_signal(struct athn_softc *); |
142 | void ar9003_disable_ofdm_weak_signal(struct athn_softc *); |
143 | void ar9003_set_cck_weak_signal(struct athn_softc *, int); |
144 | void ar9003_set_firstep_level(struct athn_softc *, int); |
145 | void ar9003_set_spur_immunity_level(struct athn_softc *, int); |
146 | |
147 | /* Extern functions. */ |
148 | void athn_stop(struct ifnet *, int); |
149 | int athn_interpolate(int, int, int, int, int); |
150 | int athn_txtime(struct athn_softc *, int, int, u_int); |
151 | void athn_inc_tx_trigger_level(struct athn_softc *); |
152 | int athn_tx_pending(struct athn_softc *, int); |
153 | void athn_stop_tx_dma(struct athn_softc *, int); |
154 | void athn_get_delta_slope(uint32_t, uint32_t *, uint32_t *); |
155 | void athn_config_pcie(struct athn_softc *); |
156 | void athn_config_nonpcie(struct athn_softc *); |
157 | uint8_t athn_chan2fbin(struct ieee80211_channel *); |
158 | |
159 | |
160 | int |
161 | ar9003_attach(struct athn_softc *sc) |
162 | { |
163 | struct athn_ops *ops = &sc->ops; |
164 | int error; |
165 | |
166 | /* Set callbacks for AR9003 family. */ |
167 | ops->gpio_read = ar9003_gpio_read; |
168 | ops->gpio_write = ar9003_gpio_write; |
169 | ops->gpio_config_input = ar9003_gpio_config_input; |
170 | ops->gpio_config_output = ar9003_gpio_config_output; |
171 | ops->rfsilent_init = ar9003_rfsilent_init; |
172 | |
173 | ops->dma_alloc = ar9003_dma_alloc; |
174 | ops->dma_free = ar9003_dma_free; |
175 | ops->rx_enable = ar9003_rx_enable; |
176 | ops->intr = ar9003_intr; |
177 | ops->tx = ar9003_tx; |
178 | |
179 | ops->set_rf_mode = ar9003_set_rf_mode; |
180 | ops->rf_bus_request = ar9003_rf_bus_request; |
181 | ops->rf_bus_release = ar9003_rf_bus_release; |
182 | ops->set_phy = ar9003_set_phy; |
183 | ops->set_delta_slope = ar9003_set_delta_slope; |
184 | ops->enable_antenna_diversity = ar9003_enable_antenna_diversity; |
185 | ops->init_baseband = ar9003_init_baseband; |
186 | ops->disable_phy = ar9003_disable_phy; |
187 | ops->set_rxchains = ar9003_set_rxchains; |
188 | ops->noisefloor_calib = ar9003_do_noisefloor_calib; |
189 | ops->init_noisefloor_calib = ar9003_init_noisefloor_calib; |
190 | ops->get_noisefloor = ar9003_get_noisefloor; |
191 | ops->apply_noisefloor = ar9003_apply_noisefloor; |
192 | ops->do_calib = ar9003_do_calib; |
193 | ops->next_calib = ar9003_next_calib; |
194 | ops->hw_init = ar9003_hw_init; |
195 | |
196 | ops->set_noise_immunity_level = ar9003_set_noise_immunity_level; |
197 | ops->enable_ofdm_weak_signal = ar9003_enable_ofdm_weak_signal; |
198 | ops->disable_ofdm_weak_signal = ar9003_disable_ofdm_weak_signal; |
199 | ops->set_cck_weak_signal = ar9003_set_cck_weak_signal; |
200 | ops->set_firstep_level = ar9003_set_firstep_level; |
201 | ops->set_spur_immunity_level = ar9003_set_spur_immunity_level; |
202 | |
203 | /* Set MAC registers offsets. */ |
204 | sc->obs_off = AR_OBS0x4088; |
205 | sc->gpio_input_en_off = AR_GPIO_INPUT_EN_VAL0x405c; |
206 | |
207 | if (!(sc->flags & ATHN_FLAG_PCIE(1 << 0))) |
208 | athn_config_nonpcie(sc); |
209 | else |
210 | athn_config_pcie(sc); |
211 | |
212 | /* Determine ROM type and location. */ |
213 | if ((error = ar9003_find_rom(sc)) != 0) { |
214 | printf("%s: could not find ROM\n", sc->sc_dev.dv_xname); |
215 | return (error); |
216 | } |
217 | /* Read entire ROM content in memory. */ |
218 | if ((error = ar9003_read_rom(sc)) != 0) { |
219 | printf("%s: could not read ROM\n", sc->sc_dev.dv_xname); |
220 | return (error); |
221 | } |
222 | |
223 | /* Determine if it is a non-enterprise AR9003 card. */ |
224 | if (AR_READ(sc, AR_ENT_OTP)(sc)->ops.read((sc), (0x40d8)) & AR_ENT_OTP_MPSD0x00800000) |
225 | sc->flags |= ATHN_FLAG_NON_ENTERPRISE(1 << 13); |
226 | |
227 | ops->setup(sc); |
228 | return (0); |
229 | } |
230 | |
231 | /* |
232 | * Read 16-bit word from EEPROM. |
233 | */ |
234 | int |
235 | ar9003_read_eep_word(struct athn_softc *sc, uint32_t addr, uint16_t *val) |
236 | { |
237 | uint32_t reg; |
238 | int ntries; |
239 | |
240 | reg = AR_READ(sc, AR_EEPROM_OFFSET(addr))(sc)->ops.read((sc), ((0x2000 + (addr) * 4))); |
Value stored to 'reg' is never read | |
241 | for (ntries = 0; ntries < 1000; ntries++) { |
242 | reg = AR_READ(sc, AR_EEPROM_STATUS_DATA)(sc)->ops.read((sc), (0x4084)); |
243 | if (!(reg & (AR_EEPROM_STATUS_DATA_BUSY0x00010000 | |
244 | AR_EEPROM_STATUS_DATA_PROT_ACCESS0x00040000))) { |
245 | *val = MS(reg, AR_EEPROM_STATUS_DATA_VAL)(((uint32_t)(reg) & 0x0000ffff) >> 0); |
246 | return (0); |
247 | } |
248 | DELAY(10)(*delay_func)(10); |
249 | } |
250 | *val = 0xffff; |
251 | return (ETIMEDOUT60); |
252 | } |
253 | |
254 | /* |
255 | * Read an arbitrary number of bytes at a specified address in EEPROM. |
256 | * NB: The address may not be 16-bit aligned. |
257 | */ |
258 | int |
259 | ar9003_read_eep_data(struct athn_softc *sc, uint32_t addr, void *buf, int len) |
260 | { |
261 | uint8_t *dst = buf; |
262 | uint16_t val; |
263 | int error; |
264 | |
265 | if (len > 0 && (addr & 1)) { |
266 | /* Deal with non-aligned reads. */ |
267 | addr >>= 1; |
268 | error = ar9003_read_eep_word(sc, addr, &val); |
269 | if (error != 0) |
270 | return (error); |
271 | *dst++ = val & 0xff; |
272 | addr--; |
273 | len--; |
274 | } else |
275 | addr >>= 1; |
276 | for (; len >= 2; addr--, len -= 2) { |
277 | error = ar9003_read_eep_word(sc, addr, &val); |
278 | if (error != 0) |
279 | return (error); |
280 | *dst++ = val >> 8; |
281 | *dst++ = val & 0xff; |
282 | } |
283 | if (len > 0) { |
284 | error = ar9003_read_eep_word(sc, addr, &val); |
285 | if (error != 0) |
286 | return (error); |
287 | *dst++ = val >> 8; |
288 | } |
289 | return (0); |
290 | } |
291 | |
292 | /* |
293 | * Read 32-bit word from OTPROM. |
294 | */ |
295 | int |
296 | ar9003_read_otp_word(struct athn_softc *sc, uint32_t addr, uint32_t *val) |
297 | { |
298 | uint32_t reg; |
299 | int ntries; |
300 | |
301 | reg = AR_READ(sc, AR_OTP_BASE(addr))(sc)->ops.read((sc), ((0x14000 + (addr) * 4))); |
302 | for (ntries = 0; ntries < 1000; ntries++) { |
303 | reg = AR_READ(sc, AR_OTP_STATUS)(sc)->ops.read((sc), (0x15f18)); |
304 | if (MS(reg, AR_OTP_STATUS_TYPE)(((uint32_t)(reg) & 0x00000007) >> 0) == AR_OTP_STATUS_VALID0x4) { |
305 | *val = AR_READ(sc, AR_OTP_READ_DATA)(sc)->ops.read((sc), (0x15f1c)); |
306 | return (0); |
307 | } |
308 | DELAY(10)(*delay_func)(10); |
309 | } |
310 | return (ETIMEDOUT60); |
311 | } |
312 | |
313 | /* |
314 | * Read an arbitrary number of bytes at a specified address in OTPROM. |
315 | * NB: The address may not be 32-bit aligned. |
316 | */ |
317 | int |
318 | ar9003_read_otp_data(struct athn_softc *sc, uint32_t addr, void *buf, int len) |
319 | { |
320 | uint8_t *dst = buf; |
321 | uint32_t val; |
322 | int error; |
323 | |
324 | /* NB: not optimal for non-aligned reads, but correct. */ |
325 | for (; len > 0; addr--, len--) { |
326 | error = ar9003_read_otp_word(sc, addr >> 2, &val); |
327 | if (error != 0) |
328 | return (error); |
329 | *dst++ = (val >> ((addr & 3) * 8)) & 0xff; |
330 | } |
331 | return (0); |
332 | } |
333 | |
334 | /* |
335 | * Determine if the chip has an external EEPROM or an OTPROM and its size. |
336 | */ |
337 | int |
338 | ar9003_find_rom(struct athn_softc *sc) |
339 | { |
340 | struct athn_ops *ops = &sc->ops; |
341 | uint32_t hdr; |
342 | int error; |
343 | |
344 | /* Try EEPROM. */ |
345 | ops->read_rom_data = ar9003_read_eep_data; |
346 | |
347 | sc->eep_size = AR_SREV_9485(sc)((sc)->mac_ver == 0x240) ? 4096 : 1024; |
348 | sc->eep_base = sc->eep_size - 1; |
349 | error = ops->read_rom_data(sc, sc->eep_base, &hdr, sizeof(hdr)); |
350 | if (error == 0 && hdr != 0 && hdr != 0xffffffff) |
351 | return (0); |
352 | |
353 | sc->eep_size = 512; |
354 | sc->eep_base = sc->eep_size - 1; |
355 | error = ops->read_rom_data(sc, sc->eep_base, &hdr, sizeof(hdr)); |
356 | if (error == 0 && hdr != 0 && hdr != 0xffffffff) |
357 | return (0); |
358 | |
359 | /* Try OTPROM. */ |
360 | ops->read_rom_data = ar9003_read_otp_data; |
361 | |
362 | sc->eep_size = 1024; |
363 | sc->eep_base = sc->eep_size - 1; |
364 | error = ops->read_rom_data(sc, sc->eep_base, &hdr, sizeof(hdr)); |
365 | if (error == 0 && hdr != 0 && hdr != 0xffffffff) |
366 | return (0); |
367 | |
368 | sc->eep_size = 512; |
369 | sc->eep_base = sc->eep_size - 1; |
370 | error = ops->read_rom_data(sc, sc->eep_base, &hdr, sizeof(hdr)); |
371 | if (error == 0 && hdr != 0 && hdr != 0xffffffff) |
372 | return (0); |
373 | |
374 | return (EIO5); /* Not found. */ |
375 | } |
376 | |
377 | int |
378 | ar9003_restore_rom_block(struct athn_softc *sc, uint8_t alg, uint8_t ref, |
379 | const uint8_t *buf, int len) |
380 | { |
381 | const uint8_t *def, *ptr, *end; |
382 | uint8_t *eep = sc->eep; |
383 | int off, clen; |
384 | |
385 | if (alg == AR_EEP_COMPRESS_BLOCK3) { |
386 | /* Block contains chunks that shadow ROM template. */ |
387 | def = sc->ops.get_rom_template(sc, ref); |
388 | if (def == NULL((void *)0)) { |
389 | DPRINTF(("unknown template image %d\n", ref)); |
390 | return (EINVAL22); |
391 | } |
392 | /* Start with template. */ |
393 | memcpy(eep, def, sc->eep_size)__builtin_memcpy((eep), (def), (sc->eep_size)); |
394 | /* Shadow template with chunks. */ |
395 | off = 0; /* Offset in ROM image. */ |
396 | ptr = buf; /* Offset in block. */ |
397 | end = buf + len; |
398 | /* Process chunks. */ |
399 | while (ptr + 2 <= end) { |
400 | off += *ptr++; /* Gap with previous chunk. */ |
401 | clen = *ptr++; /* Chunk length. */ |
402 | /* Make sure block is large enough. */ |
403 | if (ptr + clen > end) |
404 | return (EINVAL22); |
405 | /* Make sure chunk fits in ROM image. */ |
406 | if (off + clen > sc->eep_size) |
407 | return (EINVAL22); |
408 | /* Restore chunk. */ |
409 | DPRINTFN(2, ("ROM chunk @%d/%d\n", off, clen)); |
410 | memcpy(&eep[off], ptr, clen)__builtin_memcpy((&eep[off]), (ptr), (clen)); |
411 | ptr += clen; |
412 | off += clen; |
413 | } |
414 | } else if (alg == AR_EEP_COMPRESS_NONE0) { |
415 | /* Block contains full ROM image. */ |
416 | if (len != sc->eep_size) { |
417 | DPRINTF(("block length mismatch %d\n", len)); |
418 | return (EINVAL22); |
419 | } |
420 | memcpy(eep, buf, len)__builtin_memcpy((eep), (buf), (len)); |
421 | } |
422 | return (0); |
423 | } |
424 | |
425 | int |
426 | ar9003_read_rom(struct athn_softc *sc) |
427 | { |
428 | struct athn_ops *ops = &sc->ops; |
429 | uint8_t *buf, *ptr, alg, ref; |
430 | uint16_t sum, rsum; |
431 | uint32_t hdr; |
432 | int error, addr, len, i, j; |
433 | |
434 | /* Allocate space to store ROM in host memory. */ |
435 | sc->eep = malloc(sc->eep_size, M_DEVBUF2, M_NOWAIT0x0002); |
436 | if (sc->eep == NULL((void *)0)) |
437 | return (ENOMEM12); |
438 | |
439 | /* Allocate temporary buffer to store ROM blocks. */ |
440 | buf = malloc(2048, M_DEVBUF2, M_NOWAIT0x0002); |
441 | if (buf == NULL((void *)0)) |
442 | return (ENOMEM12); |
443 | |
444 | /* Restore vendor-specified ROM blocks. */ |
445 | addr = sc->eep_base; |
446 | for (i = 0; i < 100; i++) { |
447 | /* Read block header. */ |
448 | error = ops->read_rom_data(sc, addr, &hdr, sizeof(hdr)); |
449 | if (error != 0) |
450 | break; |
451 | if (hdr == 0 || hdr == 0xffffffff) |
452 | break; |
453 | addr -= sizeof(hdr); |
454 | |
455 | /* Extract bits from header. */ |
456 | ptr = (uint8_t *)&hdr; |
457 | alg = (ptr[0] & 0xe0) >> 5; |
458 | ref = (ptr[1] & 0x80) >> 2 | (ptr[0] & 0x1f); |
459 | len = (ptr[1] & 0x7f) << 4 | (ptr[2] & 0xf0) >> 4; |
460 | DPRINTFN(2, ("ROM block %d: alg=%d ref=%d len=%d\n", |
461 | i, alg, ref, len)); |
462 | |
463 | /* Read block data (len <= 0x7ff). */ |
464 | error = ops->read_rom_data(sc, addr, buf, len); |
465 | if (error != 0) |
466 | break; |
467 | addr -= len; |
468 | |
469 | /* Read block checksum. */ |
470 | error = ops->read_rom_data(sc, addr, &sum, sizeof(sum)); |
471 | if (error != 0) |
472 | break; |
473 | addr -= sizeof(sum); |
474 | |
475 | /* Compute block checksum. */ |
476 | rsum = 0; |
477 | for (j = 0; j < len; j++) |
478 | rsum += buf[j]; |
479 | /* Compare to that in ROM. */ |
480 | if (letoh16(sum)((__uint16_t)(sum)) != rsum) { |
481 | DPRINTF(("bad block checksum 0x%x/0x%x\n", |
482 | letoh16(sum), rsum)); |
483 | continue; /* Skip bad block. */ |
484 | } |
485 | /* Checksum is correct, restore block. */ |
486 | ar9003_restore_rom_block(sc, alg, ref, buf, len); |
487 | } |
488 | #if BYTE_ORDER1234 == BIG_ENDIAN4321 |
489 | /* NB: ROM is always little endian. */ |
490 | if (error == 0) |
491 | ops->swap_rom(sc); |
492 | #endif |
493 | free(buf, M_DEVBUF2, 0); |
494 | return (error); |
495 | } |
496 | |
497 | /* |
498 | * Access to General Purpose Input/Output ports. |
499 | */ |
500 | int |
501 | ar9003_gpio_read(struct athn_softc *sc, int pin) |
502 | { |
503 | KASSERT(pin < sc->ngpiopins)((pin < sc->ngpiopins) ? (void)0 : __assert("diagnostic " , "/usr/src/sys/dev/ic/ar9003.c", 503, "pin < sc->ngpiopins" )); |
504 | return (((AR_READ(sc, AR_GPIO_IN)(sc)->ops.read((sc), (0x404c)) & AR9300_GPIO_IN_VAL0x0001FFFF) & |
505 | (1 << pin)) != 0); |
506 | } |
507 | |
508 | void |
509 | ar9003_gpio_write(struct athn_softc *sc, int pin, int set) |
510 | { |
511 | uint32_t reg; |
512 | |
513 | KASSERT(pin < sc->ngpiopins)((pin < sc->ngpiopins) ? (void)0 : __assert("diagnostic " , "/usr/src/sys/dev/ic/ar9003.c", 513, "pin < sc->ngpiopins" )); |
514 | reg = AR_READ(sc, AR_GPIO_IN_OUT)(sc)->ops.read((sc), (0x4048)); |
515 | if (set) |
516 | reg |= 1 << pin; |
517 | else |
518 | reg &= ~(1 << pin); |
519 | AR_WRITE(sc, AR_GPIO_IN_OUT, reg)(sc)->ops.write((sc), (0x4048), (reg)); |
520 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
521 | } |
522 | |
523 | void |
524 | ar9003_gpio_config_input(struct athn_softc *sc, int pin) |
525 | { |
526 | uint32_t reg; |
527 | |
528 | reg = AR_READ(sc, AR_GPIO_OE_OUT)(sc)->ops.read((sc), (0x4050)); |
529 | reg &= ~(AR_GPIO_OE_OUT_DRV_M0x00000003 << (pin * 2)); |
530 | reg |= AR_GPIO_OE_OUT_DRV_NO0 << (pin * 2); |
531 | AR_WRITE(sc, AR_GPIO_OE_OUT, reg)(sc)->ops.write((sc), (0x4050), (reg)); |
532 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
533 | } |
534 | |
535 | void |
536 | ar9003_gpio_config_output(struct athn_softc *sc, int pin, int type) |
537 | { |
538 | uint32_t reg; |
539 | int mux, off; |
540 | |
541 | mux = pin / 6; |
542 | off = pin % 6; |
543 | |
544 | reg = AR_READ(sc, AR_GPIO_OUTPUT_MUX(mux))(sc)->ops.read((sc), ((0x4068 + (mux) * 4))); |
545 | reg &= ~(0x1f << (off * 5)); |
546 | reg |= (type & 0x1f) << (off * 5); |
547 | AR_WRITE(sc, AR_GPIO_OUTPUT_MUX(mux), reg)(sc)->ops.write((sc), ((0x4068 + (mux) * 4)), (reg)); |
548 | |
549 | reg = AR_READ(sc, AR_GPIO_OE_OUT)(sc)->ops.read((sc), (0x4050)); |
550 | reg &= ~(AR_GPIO_OE_OUT_DRV_M0x00000003 << (pin * 2)); |
551 | reg |= AR_GPIO_OE_OUT_DRV_ALL3 << (pin * 2); |
552 | AR_WRITE(sc, AR_GPIO_OE_OUT, reg)(sc)->ops.write((sc), (0x4050), (reg)); |
553 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
554 | } |
555 | |
556 | void |
557 | ar9003_rfsilent_init(struct athn_softc *sc) |
558 | { |
559 | uint32_t reg; |
560 | |
561 | /* Configure hardware radio switch. */ |
562 | AR_SETBITS(sc, AR_GPIO_INPUT_EN_VAL, AR_GPIO_INPUT_EN_VAL_RFSILENT_BB)(sc)->ops.write((sc), (0x405c), ((sc)->ops.read((sc), ( 0x405c)) | (0x00008000))); |
563 | reg = AR_READ(sc, AR_GPIO_INPUT_MUX2)(sc)->ops.read((sc), (0x4064)); |
564 | reg = RW(reg, AR_GPIO_INPUT_MUX2_RFSILENT, 0)(((reg) & ~0x000000f0) | (((uint32_t)(0) << 4) & 0x000000f0)); |
565 | AR_WRITE(sc, AR_GPIO_INPUT_MUX2, reg)(sc)->ops.write((sc), (0x4064), (reg)); |
566 | ar9003_gpio_config_input(sc, sc->rfsilent_pin); |
567 | AR_SETBITS(sc, AR_PHY_TEST, AR_PHY_TEST_RFSILENT_BB)(sc)->ops.write((sc), (0x0a360), ((sc)->ops.read((sc), ( 0x0a360)) | (0x00002000))); |
568 | if (!(sc->flags & ATHN_FLAG_RFSILENT_REVERSED(1 << 6))) { |
569 | AR_SETBITS(sc, AR_GPIO_INTR_POL,(sc)->ops.write((sc), (0x4058), ((sc)->ops.read((sc), ( 0x4058)) | ((1 << (sc->rfsilent_pin))))) |
570 | AR_GPIO_INTR_POL_PIN(sc->rfsilent_pin))(sc)->ops.write((sc), (0x4058), ((sc)->ops.read((sc), ( 0x4058)) | ((1 << (sc->rfsilent_pin))))); |
571 | } |
572 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
573 | } |
574 | |
575 | int |
576 | ar9003_dma_alloc(struct athn_softc *sc) |
577 | { |
578 | int error; |
579 | |
580 | error = ar9003_tx_alloc(sc); |
581 | if (error != 0) |
582 | return (error); |
583 | |
584 | error = ar9003_rx_alloc(sc, ATHN_QID_LP0, AR9003_RX_LP_QDEPTH128); |
585 | if (error != 0) |
586 | return (error); |
587 | |
588 | error = ar9003_rx_alloc(sc, ATHN_QID_HP1, AR9003_RX_HP_QDEPTH16); |
589 | if (error != 0) |
590 | return (error); |
591 | |
592 | return (0); |
593 | } |
594 | |
595 | void |
596 | ar9003_dma_free(struct athn_softc *sc) |
597 | { |
598 | ar9003_tx_free(sc); |
599 | ar9003_rx_free(sc, ATHN_QID_LP0); |
600 | ar9003_rx_free(sc, ATHN_QID_HP1); |
601 | } |
602 | |
603 | int |
604 | ar9003_tx_alloc(struct athn_softc *sc) |
605 | { |
606 | struct athn_tx_buf *bf; |
607 | bus_size_t size; |
608 | int error, nsegs, i; |
609 | |
610 | /* |
611 | * Allocate Tx status ring. |
612 | */ |
613 | size = AR9003_NTXSTATUS64 * sizeof(struct ar_tx_status); |
614 | |
615 | error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (size ), (1), (size), (0), (0x0001), (&sc->txsmap)) |
616 | BUS_DMA_NOWAIT, &sc->txsmap)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (size ), (1), (size), (0), (0x0001), (&sc->txsmap)); |
617 | if (error != 0) |
618 | goto fail; |
619 | |
620 | error = bus_dmamem_alloc(sc->sc_dmat, size, 4, 0, &sc->txsseg, 1,(*(sc->sc_dmat)->_dmamem_alloc)((sc->sc_dmat), (size ), (4), (0), (&sc->txsseg), (1), (&nsegs), (0x0001 | 0x1000)) |
621 | &nsegs, BUS_DMA_NOWAIT | BUS_DMA_ZERO)(*(sc->sc_dmat)->_dmamem_alloc)((sc->sc_dmat), (size ), (4), (0), (&sc->txsseg), (1), (&nsegs), (0x0001 | 0x1000)); |
622 | if (error != 0) |
623 | goto fail; |
624 | |
625 | error = bus_dmamem_map(sc->sc_dmat, &sc->txsseg, 1, size,(*(sc->sc_dmat)->_dmamem_map)((sc->sc_dmat), (&sc ->txsseg), (1), (size), ((caddr_t *)&sc->txsring), ( 0x0001 | 0x0004)) |
626 | (caddr_t *)&sc->txsring, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)(*(sc->sc_dmat)->_dmamem_map)((sc->sc_dmat), (&sc ->txsseg), (1), (size), ((caddr_t *)&sc->txsring), ( 0x0001 | 0x0004)); |
627 | if (error != 0) |
628 | goto fail; |
629 | |
630 | error = bus_dmamap_load_raw(sc->sc_dmat, sc->txsmap, &sc->txsseg,(*(sc->sc_dmat)->_dmamap_load_raw)((sc->sc_dmat), (sc ->txsmap), (&sc->txsseg), (1), (size), (0x0001 | 0x0200 )) |
631 | 1, size, BUS_DMA_NOWAIT | BUS_DMA_READ)(*(sc->sc_dmat)->_dmamap_load_raw)((sc->sc_dmat), (sc ->txsmap), (&sc->txsseg), (1), (size), (0x0001 | 0x0200 )); |
632 | if (error != 0) |
633 | goto fail; |
634 | |
635 | /* |
636 | * Allocate a pool of Tx descriptors shared between all Tx queues. |
637 | */ |
638 | size = ATHN_NTXBUFS64 * sizeof(struct ar_tx_desc); |
639 | |
640 | error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (size ), (1), (size), (0), (0x0001), (&sc->map)) |
641 | BUS_DMA_NOWAIT, &sc->map)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (size ), (1), (size), (0), (0x0001), (&sc->map)); |
642 | if (error != 0) |
643 | goto fail; |
644 | |
645 | error = bus_dmamem_alloc(sc->sc_dmat, size, 4, 0, &sc->seg, 1,(*(sc->sc_dmat)->_dmamem_alloc)((sc->sc_dmat), (size ), (4), (0), (&sc->seg), (1), (&nsegs), (0x0001 | 0x1000 )) |
646 | &nsegs, BUS_DMA_NOWAIT | BUS_DMA_ZERO)(*(sc->sc_dmat)->_dmamem_alloc)((sc->sc_dmat), (size ), (4), (0), (&sc->seg), (1), (&nsegs), (0x0001 | 0x1000 )); |
647 | if (error != 0) |
648 | goto fail; |
649 | |
650 | error = bus_dmamem_map(sc->sc_dmat, &sc->seg, 1, size,(*(sc->sc_dmat)->_dmamem_map)((sc->sc_dmat), (&sc ->seg), (1), (size), ((caddr_t *)&sc->descs), (0x0001 | 0x0004)) |
651 | (caddr_t *)&sc->descs, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)(*(sc->sc_dmat)->_dmamem_map)((sc->sc_dmat), (&sc ->seg), (1), (size), ((caddr_t *)&sc->descs), (0x0001 | 0x0004)); |
652 | if (error != 0) |
653 | goto fail; |
654 | |
655 | error = bus_dmamap_load_raw(sc->sc_dmat, sc->map, &sc->seg, 1, size,(*(sc->sc_dmat)->_dmamap_load_raw)((sc->sc_dmat), (sc ->map), (&sc->seg), (1), (size), (0x0001 | 0x0400)) |
656 | BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load_raw)((sc->sc_dmat), (sc ->map), (&sc->seg), (1), (size), (0x0001 | 0x0400)); |
657 | if (error != 0) |
658 | goto fail; |
659 | |
660 | SIMPLEQ_INIT(&sc->txbufs)do { (&sc->txbufs)->sqh_first = ((void *)0); (& sc->txbufs)->sqh_last = &(&sc->txbufs)->sqh_first ; } while (0); |
661 | for (i = 0; i < ATHN_NTXBUFS64; i++) { |
662 | bf = &sc->txpool[i]; |
663 | |
664 | error = bus_dmamap_create(sc->sc_dmat, ATHN_TXBUFSZ,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (4096 ), (4), (4096), (0), (0x0001), (&bf->bf_map)) |
665 | AR9003_MAX_SCATTER, ATHN_TXBUFSZ, 0, BUS_DMA_NOWAIT,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (4096 ), (4), (4096), (0), (0x0001), (&bf->bf_map)) |
666 | &bf->bf_map)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (4096 ), (4), (4096), (0), (0x0001), (&bf->bf_map)); |
667 | if (error != 0) { |
668 | printf("%s: could not create Tx buf DMA map\n", |
669 | sc->sc_dev.dv_xname); |
670 | goto fail; |
671 | } |
672 | |
673 | bf->bf_descs = &((struct ar_tx_desc *)sc->descs)[i]; |
674 | bf->bf_daddr = sc->map->dm_segs[0].ds_addr + |
675 | i * sizeof(struct ar_tx_desc); |
676 | |
677 | SIMPLEQ_INSERT_TAIL(&sc->txbufs, bf, bf_list)do { (bf)->bf_list.sqe_next = ((void *)0); *(&sc->txbufs )->sqh_last = (bf); (&sc->txbufs)->sqh_last = & (bf)->bf_list.sqe_next; } while (0); |
678 | } |
679 | return (0); |
680 | fail: |
681 | ar9003_tx_free(sc); |
682 | return (error); |
683 | } |
684 | |
685 | void |
686 | ar9003_tx_free(struct athn_softc *sc) |
687 | { |
688 | struct athn_tx_buf *bf; |
689 | int i; |
690 | |
691 | for (i = 0; i < ATHN_NTXBUFS64; i++) { |
692 | bf = &sc->txpool[i]; |
693 | |
694 | if (bf->bf_map != NULL((void *)0)) |
695 | bus_dmamap_destroy(sc->sc_dmat, bf->bf_map)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (bf ->bf_map)); |
696 | } |
697 | /* Free Tx descriptors. */ |
698 | if (sc->map != NULL((void *)0)) { |
699 | if (sc->descs != NULL((void *)0)) { |
700 | bus_dmamap_unload(sc->sc_dmat, sc->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (sc-> map)); |
701 | bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->descs,(*(sc->sc_dmat)->_dmamem_unmap)((sc->sc_dmat), ((caddr_t )sc->descs), (64 * sizeof(struct ar_tx_desc))) |
702 | ATHN_NTXBUFS * sizeof(struct ar_tx_desc))(*(sc->sc_dmat)->_dmamem_unmap)((sc->sc_dmat), ((caddr_t )sc->descs), (64 * sizeof(struct ar_tx_desc))); |
703 | bus_dmamem_free(sc->sc_dmat, &sc->seg, 1)(*(sc->sc_dmat)->_dmamem_free)((sc->sc_dmat), (& sc->seg), (1)); |
704 | } |
705 | bus_dmamap_destroy(sc->sc_dmat, sc->map)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (sc ->map)); |
706 | } |
707 | /* Free Tx status ring. */ |
708 | if (sc->txsmap != NULL((void *)0)) { |
709 | if (sc->txsring != NULL((void *)0)) { |
710 | bus_dmamap_unload(sc->sc_dmat, sc->txsmap)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (sc-> txsmap)); |
711 | bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->txsring,(*(sc->sc_dmat)->_dmamem_unmap)((sc->sc_dmat), ((caddr_t )sc->txsring), (64 * sizeof(struct ar_tx_status))) |
712 | AR9003_NTXSTATUS * sizeof(struct ar_tx_status))(*(sc->sc_dmat)->_dmamem_unmap)((sc->sc_dmat), ((caddr_t )sc->txsring), (64 * sizeof(struct ar_tx_status))); |
713 | bus_dmamem_free(sc->sc_dmat, &sc->txsseg, 1)(*(sc->sc_dmat)->_dmamem_free)((sc->sc_dmat), (& sc->txsseg), (1)); |
714 | } |
715 | bus_dmamap_destroy(sc->sc_dmat, sc->txsmap)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (sc ->txsmap)); |
716 | } |
717 | } |
718 | |
719 | int |
720 | ar9003_rx_alloc(struct athn_softc *sc, int qid, int count) |
721 | { |
722 | struct athn_rxq *rxq = &sc->rxq[qid]; |
723 | struct athn_rx_buf *bf; |
724 | struct ar_rx_status *ds; |
725 | int error, i; |
726 | |
727 | rxq->bf = mallocarray(count, sizeof(*bf), M_DEVBUF2, |
728 | M_NOWAIT0x0002 | M_ZERO0x0008); |
729 | if (rxq->bf == NULL((void *)0)) |
730 | return (ENOMEM12); |
731 | |
732 | rxq->count = count; |
733 | |
734 | for (i = 0; i < rxq->count; i++) { |
735 | bf = &rxq->bf[i]; |
736 | |
737 | error = bus_dmamap_create(sc->sc_dmat, ATHN_RXBUFSZ, 1,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (3872 ), (1), (3872), (0), (0x0001 | 0x0002), (&bf->bf_map)) |
738 | ATHN_RXBUFSZ, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (3872 ), (1), (3872), (0), (0x0001 | 0x0002), (&bf->bf_map)) |
739 | &bf->bf_map)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (3872 ), (1), (3872), (0), (0x0001 | 0x0002), (&bf->bf_map)); |
740 | if (error != 0) { |
741 | printf("%s: could not create Rx buf DMA map\n", |
742 | sc->sc_dev.dv_xname); |
743 | goto fail; |
744 | } |
745 | /* |
746 | * Assumes MCLGETL returns cache-line-size aligned buffers. |
747 | */ |
748 | bf->bf_m = MCLGETL(NULL, M_DONTWAIT, ATHN_RXBUFSZ)m_clget((((void *)0)), (0x0002), (3872)); |
749 | if (bf->bf_m == NULL((void *)0)) { |
750 | printf("%s: could not allocate Rx mbuf\n", |
751 | sc->sc_dev.dv_xname); |
752 | error = ENOBUFS55; |
753 | goto fail; |
754 | } |
755 | |
756 | error = bus_dmamap_load(sc->sc_dmat, bf->bf_map,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (bf-> bf_map), (((void *)((bf->bf_m)->m_hdr.mh_data))), (3872 ), (((void *)0)), (0x0001)) |
757 | mtod(bf->bf_m, void *), ATHN_RXBUFSZ, NULL,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (bf-> bf_map), (((void *)((bf->bf_m)->m_hdr.mh_data))), (3872 ), (((void *)0)), (0x0001)) |
758 | BUS_DMA_NOWAIT)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (bf-> bf_map), (((void *)((bf->bf_m)->m_hdr.mh_data))), (3872 ), (((void *)0)), (0x0001)); |
759 | if (error != 0) { |
760 | printf("%s: could not DMA map Rx buffer\n", |
761 | sc->sc_dev.dv_xname); |
762 | goto fail; |
763 | } |
764 | |
765 | ds = mtod(bf->bf_m, struct ar_rx_status *)((struct ar_rx_status *)((bf->bf_m)->m_hdr.mh_data)); |
766 | memset(ds, 0, sizeof(*ds))__builtin_memset((ds), (0), (sizeof(*ds))); |
767 | bf->bf_desc = ds; |
768 | bf->bf_daddr = bf->bf_map->dm_segs[0].ds_addr; |
769 | |
770 | bus_dmamap_sync(sc->sc_dmat, bf->bf_map, 0, ATHN_RXBUFSZ,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (3872), (0x01)) |
771 | BUS_DMASYNC_PREREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (3872), (0x01)); |
772 | } |
773 | return (0); |
774 | fail: |
775 | ar9003_rx_free(sc, qid); |
776 | return (error); |
777 | } |
778 | |
779 | void |
780 | ar9003_rx_free(struct athn_softc *sc, int qid) |
781 | { |
782 | struct athn_rxq *rxq = &sc->rxq[qid]; |
783 | struct athn_rx_buf *bf; |
784 | int i; |
785 | |
786 | if (rxq->bf == NULL((void *)0)) |
787 | return; |
788 | for (i = 0; i < rxq->count; i++) { |
789 | bf = &rxq->bf[i]; |
790 | |
791 | if (bf->bf_map != NULL((void *)0)) |
792 | bus_dmamap_destroy(sc->sc_dmat, bf->bf_map)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (bf ->bf_map)); |
793 | m_freem(bf->bf_m); |
794 | } |
795 | free(rxq->bf, M_DEVBUF2, 0); |
796 | } |
797 | |
798 | void |
799 | ar9003_reset_txsring(struct athn_softc *sc) |
800 | { |
801 | sc->txscur = 0; |
802 | memset(sc->txsring, 0, AR9003_NTXSTATUS * sizeof(struct ar_tx_status))__builtin_memset((sc->txsring), (0), (64 * sizeof(struct ar_tx_status ))); |
803 | AR_WRITE(sc, AR_Q_STATUS_RING_START,(sc)->ops.write((sc), (0x0830), (sc->txsmap->dm_segs [0].ds_addr)) |
804 | sc->txsmap->dm_segs[0].ds_addr)(sc)->ops.write((sc), (0x0830), (sc->txsmap->dm_segs [0].ds_addr)); |
805 | AR_WRITE(sc, AR_Q_STATUS_RING_END,(sc)->ops.write((sc), (0x0834), (sc->txsmap->dm_segs [0].ds_addr + sc->txsmap->dm_segs[0].ds_len)) |
806 | sc->txsmap->dm_segs[0].ds_addr + sc->txsmap->dm_segs[0].ds_len)(sc)->ops.write((sc), (0x0834), (sc->txsmap->dm_segs [0].ds_addr + sc->txsmap->dm_segs[0].ds_len)); |
807 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
808 | } |
809 | |
810 | void |
811 | ar9003_rx_enable(struct athn_softc *sc) |
812 | { |
813 | struct athn_rxq *rxq; |
814 | struct athn_rx_buf *bf; |
815 | struct ar_rx_status *ds; |
816 | uint32_t reg; |
817 | int qid, i; |
818 | |
819 | reg = AR_READ(sc, AR_RXBP_THRESH)(sc)->ops.read((sc), (0x0018)); |
820 | reg = RW(reg, AR_RXBP_THRESH_HP, 1)(((reg) & ~0x0000000f) | (((uint32_t)(1) << 0) & 0x0000000f)); |
821 | reg = RW(reg, AR_RXBP_THRESH_LP, 1)(((reg) & ~0x00003f00) | (((uint32_t)(1) << 8) & 0x00003f00)); |
822 | AR_WRITE(sc, AR_RXBP_THRESH, reg)(sc)->ops.write((sc), (0x0018), (reg)); |
823 | |
824 | /* Set Rx buffer size. */ |
825 | AR_WRITE(sc, AR_DATABUF_SIZE, ATHN_RXBUFSZ - sizeof(*ds))(sc)->ops.write((sc), (0x0060), (3872 - sizeof(*ds))); |
826 | |
827 | for (qid = 0; qid < 2; qid++) { |
828 | rxq = &sc->rxq[qid]; |
829 | |
830 | /* Setup Rx status descriptors. */ |
831 | SIMPLEQ_INIT(&rxq->head)do { (&rxq->head)->sqh_first = ((void *)0); (&rxq ->head)->sqh_last = &(&rxq->head)->sqh_first ; } while (0); |
832 | for (i = 0; i < rxq->count; i++) { |
833 | bf = &rxq->bf[i]; |
834 | ds = bf->bf_desc; |
835 | |
836 | memset(ds, 0, sizeof(*ds))__builtin_memset((ds), (0), (sizeof(*ds))); |
837 | if (qid == ATHN_QID_LP0) |
838 | AR_WRITE(sc, AR_LP_RXDP, bf->bf_daddr)(sc)->ops.write((sc), (0x0078), (bf->bf_daddr)); |
839 | else |
840 | AR_WRITE(sc, AR_HP_RXDP, bf->bf_daddr)(sc)->ops.write((sc), (0x0074), (bf->bf_daddr)); |
841 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
842 | SIMPLEQ_INSERT_TAIL(&rxq->head, bf, bf_list)do { (bf)->bf_list.sqe_next = ((void *)0); *(&rxq-> head)->sqh_last = (bf); (&rxq->head)->sqh_last = &(bf)->bf_list.sqe_next; } while (0); |
843 | } |
844 | } |
845 | /* Enable Rx. */ |
846 | AR_WRITE(sc, AR_CR, 0)(sc)->ops.write((sc), (0x0008), (0)); |
847 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
848 | } |
849 | |
850 | #if NBPFILTER1 > 0 |
851 | void |
852 | ar9003_rx_radiotap(struct athn_softc *sc, struct mbuf *m, |
853 | struct ar_rx_status *ds) |
854 | { |
855 | #define IEEE80211_RADIOTAP_F_SHORTGI0x80 0x80 /* XXX from FBSD */ |
856 | |
857 | struct athn_rx_radiotap_header *tap = &sc->sc_rxtapsc_rxtapu.th; |
858 | struct ieee80211com *ic = &sc->sc_ic; |
859 | uint64_t tsf; |
860 | uint32_t tstamp; |
861 | uint8_t rate; |
862 | |
863 | /* Extend the 15-bit timestamp from Rx status to 64-bit TSF. */ |
864 | tstamp = ds->ds_status3; |
865 | tsf = AR_READ(sc, AR_TSF_U32)(sc)->ops.read((sc), (0x8050)); |
866 | tsf = tsf << 32 | AR_READ(sc, AR_TSF_L32)(sc)->ops.read((sc), (0x804c)); |
867 | if ((tsf & 0x7fff) < tstamp) |
868 | tsf -= 0x8000; |
869 | tsf = (tsf & ~0x7fff) | tstamp; |
870 | |
871 | tap->wr_flags = IEEE80211_RADIOTAP_F_FCS0x10; |
872 | tap->wr_tsft = htole64(tsf)((__uint64_t)(tsf)); |
873 | tap->wr_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq)((__uint16_t)(ic->ic_bss->ni_chan->ic_freq)); |
874 | tap->wr_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags)((__uint16_t)(ic->ic_bss->ni_chan->ic_flags)); |
875 | tap->wr_dbm_antsignal = MS(ds->ds_status5, AR_RXS5_RSSI_COMBINED)(((uint32_t)(ds->ds_status5) & 0xff000000) >> 24 ); |
876 | /* XXX noise. */ |
877 | tap->wr_antenna = MS(ds->ds_status4, AR_RXS4_ANTENNA)(((uint32_t)(ds->ds_status4) & 0xffffff00) >> 8); |
878 | tap->wr_rate = 0; /* In case it can't be found below. */ |
879 | rate = MS(ds->ds_status1, AR_RXS1_RATE)(((uint32_t)(ds->ds_status1) & 0x000003fc) >> 2); |
880 | if (rate & 0x80) { /* HT. */ |
881 | /* Bit 7 set means HT MCS instead of rate. */ |
882 | tap->wr_rate = rate; |
883 | if (!(ds->ds_status4 & AR_RXS4_GI0x00000001)) |
884 | tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTGI0x80; |
885 | |
886 | } else if (rate & 0x10) { /* CCK. */ |
887 | if (rate & 0x04) |
888 | tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE0x02; |
889 | switch (rate & ~0x14) { |
890 | case 0xb: tap->wr_rate = 2; break; |
891 | case 0xa: tap->wr_rate = 4; break; |
892 | case 0x9: tap->wr_rate = 11; break; |
893 | case 0x8: tap->wr_rate = 22; break; |
894 | } |
895 | } else { /* OFDM. */ |
896 | switch (rate) { |
897 | case 0xb: tap->wr_rate = 12; break; |
898 | case 0xf: tap->wr_rate = 18; break; |
899 | case 0xa: tap->wr_rate = 24; break; |
900 | case 0xe: tap->wr_rate = 36; break; |
901 | case 0x9: tap->wr_rate = 48; break; |
902 | case 0xd: tap->wr_rate = 72; break; |
903 | case 0x8: tap->wr_rate = 96; break; |
904 | case 0xc: tap->wr_rate = 108; break; |
905 | } |
906 | } |
907 | bpf_mtap_hdr(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m, BPF_DIRECTION_IN(1 << 0)); |
908 | } |
909 | #endif |
910 | |
911 | int |
912 | ar9003_rx_process(struct athn_softc *sc, int qid, struct mbuf_list *ml) |
913 | { |
914 | struct ieee80211com *ic = &sc->sc_ic; |
915 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
916 | struct athn_rxq *rxq = &sc->rxq[qid]; |
917 | struct athn_rx_buf *bf; |
918 | struct ar_rx_status *ds; |
919 | struct ieee80211_frame *wh; |
920 | struct ieee80211_rxinfo rxi; |
921 | struct ieee80211_node *ni; |
922 | struct mbuf *m, *m1; |
923 | int error, len; |
924 | |
925 | bf = SIMPLEQ_FIRST(&rxq->head)((&rxq->head)->sqh_first); |
926 | if (__predict_false(bf == NULL)__builtin_expect(((bf == ((void *)0)) != 0), 0)) { /* Should not happen. */ |
927 | printf("%s: Rx queue is empty!\n", sc->sc_dev.dv_xname); |
928 | return (ENOENT2); |
929 | } |
930 | bus_dmamap_sync(sc->sc_dmat, bf->bf_map, 0, ATHN_RXBUFSZ,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (3872), (0x02)) |
931 | BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (3872), (0x02)); |
932 | |
933 | ds = mtod(bf->bf_m, struct ar_rx_status *)((struct ar_rx_status *)((bf->bf_m)->m_hdr.mh_data)); |
934 | if (!(ds->ds_status11 & AR_RXS11_DONE0x00000001)) |
935 | return (EBUSY16); |
936 | |
937 | /* Check that it is a valid Rx status descriptor. */ |
938 | if ((ds->ds_info & (AR_RXI_DESC_ID_M0xffff0000 | AR_RXI_DESC_TX0x00008000 | |
939 | AR_RXI_CTRL_STAT0x00004000)) != SM(AR_RXI_DESC_ID, AR_VENDOR_ATHEROS)(((uint32_t)(0x168c) << 16) & 0xffff0000)) |
940 | goto skip; |
941 | |
942 | if (!(ds->ds_status11 & AR_RXS11_FRAME_OK0x00000002)) { |
943 | if (ds->ds_status11 & AR_RXS11_CRC_ERR0x00000004) |
944 | DPRINTFN(6, ("CRC error\n")); |
945 | else if (ds->ds_status11 & AR_RXS11_PHY_ERR0x00000010) |
946 | DPRINTFN(6, ("PHY error=0x%x\n", |
947 | MS(ds->ds_status11, AR_RXS11_PHY_ERR_CODE))); |
948 | else if (ds->ds_status11 & AR_RXS11_DECRYPT_CRC_ERR0x00000008) |
949 | DPRINTFN(6, ("Decryption CRC error\n")); |
950 | else if (ds->ds_status11 & AR_RXS11_MICHAEL_ERR0x00000020) { |
951 | DPRINTFN(2, ("Michael MIC failure\n")); |
952 | /* Report Michael MIC failures to net80211. */ |
953 | ic->ic_stats.is_rx_locmicfail++; |
954 | ieee80211_michael_mic_failure(ic, 0); |
955 | /* |
956 | * XXX Check that it is not a control frame |
957 | * (invalid MIC failures on valid ctl frames). |
958 | */ |
959 | } |
960 | ifp->if_ierrorsif_data.ifi_ierrors++; |
961 | goto skip; |
962 | } |
963 | |
964 | len = MS(ds->ds_status2, AR_RXS2_DATA_LEN)(((uint32_t)(ds->ds_status2) & 0x00000fff) >> 0); |
965 | if (__predict_false(len < IEEE80211_MIN_LEN ||__builtin_expect(((len < (sizeof(struct ieee80211_frame_min ) + 4) || len > 3872 - sizeof(*ds)) != 0), 0) |
966 | len > ATHN_RXBUFSZ - sizeof(*ds))__builtin_expect(((len < (sizeof(struct ieee80211_frame_min ) + 4) || len > 3872 - sizeof(*ds)) != 0), 0)) { |
967 | DPRINTF(("corrupted descriptor length=%d\n", len)); |
968 | ifp->if_ierrorsif_data.ifi_ierrors++; |
969 | goto skip; |
970 | } |
971 | |
972 | /* Allocate a new Rx buffer. */ |
973 | m1 = MCLGETL(NULL, M_DONTWAIT, ATHN_RXBUFSZ)m_clget((((void *)0)), (0x0002), (3872)); |
974 | if (__predict_false(m1 == NULL)__builtin_expect(((m1 == ((void *)0)) != 0), 0)) { |
975 | ic->ic_stats.is_rx_nombuf++; |
976 | ifp->if_ierrorsif_data.ifi_ierrors++; |
977 | goto skip; |
978 | } |
979 | |
980 | /* Unmap the old Rx buffer. */ |
981 | bus_dmamap_unload(sc->sc_dmat, bf->bf_map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (bf-> bf_map)); |
982 | |
983 | /* Map the new Rx buffer. */ |
984 | error = bus_dmamap_load(sc->sc_dmat, bf->bf_map, mtod(m1, void *),(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (bf-> bf_map), (((void *)((m1)->m_hdr.mh_data))), (3872), (((void *)0)), (0x0001 | 0x0200)) |
985 | ATHN_RXBUFSZ, NULL, BUS_DMA_NOWAIT | BUS_DMA_READ)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (bf-> bf_map), (((void *)((m1)->m_hdr.mh_data))), (3872), (((void *)0)), (0x0001 | 0x0200)); |
986 | if (__predict_false(error != 0)__builtin_expect(((error != 0) != 0), 0)) { |
987 | m_freem(m1); |
988 | |
989 | /* Remap the old Rx buffer or panic. */ |
990 | error = bus_dmamap_load(sc->sc_dmat, bf->bf_map,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (bf-> bf_map), (((void *)((bf->bf_m)->m_hdr.mh_data))), (3872 ), (((void *)0)), (0x0001 | 0x0200)) |
991 | mtod(bf->bf_m, void *), ATHN_RXBUFSZ, NULL,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (bf-> bf_map), (((void *)((bf->bf_m)->m_hdr.mh_data))), (3872 ), (((void *)0)), (0x0001 | 0x0200)) |
992 | BUS_DMA_NOWAIT | BUS_DMA_READ)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (bf-> bf_map), (((void *)((bf->bf_m)->m_hdr.mh_data))), (3872 ), (((void *)0)), (0x0001 | 0x0200)); |
993 | KASSERT(error != 0)((error != 0) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/ic/ar9003.c" , 993, "error != 0")); |
994 | bf->bf_daddr = bf->bf_map->dm_segs[0].ds_addr; |
995 | ifp->if_ierrorsif_data.ifi_ierrors++; |
996 | goto skip; |
997 | } |
998 | bf->bf_desc = mtod(m1, struct ar_rx_status *)((struct ar_rx_status *)((m1)->m_hdr.mh_data)); |
999 | bf->bf_daddr = bf->bf_map->dm_segs[0].ds_addr; |
1000 | |
1001 | m = bf->bf_m; |
1002 | bf->bf_m = m1; |
1003 | |
1004 | /* Finalize mbuf. */ |
1005 | /* Strip Rx status descriptor from head. */ |
1006 | m->m_datam_hdr.mh_data = (caddr_t)&ds[1]; |
1007 | m->m_pkthdrM_dat.MH.MH_pkthdr.len = m->m_lenm_hdr.mh_len = len; |
1008 | |
1009 | /* Grab a reference to the source node. */ |
1010 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1011 | ni = ieee80211_find_rxnode(ic, wh); |
1012 | |
1013 | /* Remove any HW padding after the 802.11 header. */ |
1014 | if (!(wh->i_fc[0] & IEEE80211_FC0_TYPE_CTL0x04)) { |
1015 | u_int hdrlen = ieee80211_get_hdrlen(wh); |
1016 | if (hdrlen & 3) { |
1017 | memmove((caddr_t)wh + 2, wh, hdrlen)__builtin_memmove(((caddr_t)wh + 2), (wh), (hdrlen)); |
1018 | m_adj(m, 2); |
1019 | } |
1020 | } |
1021 | #if NBPFILTER1 > 0 |
1022 | if (__predict_false(sc->sc_drvbpf != NULL)__builtin_expect(((sc->sc_drvbpf != ((void *)0)) != 0), 0)) |
1023 | ar9003_rx_radiotap(sc, m, ds); |
1024 | #endif |
1025 | /* Trim 802.11 FCS after radiotap. */ |
1026 | m_adj(m, -IEEE80211_CRC_LEN4); |
1027 | |
1028 | /* Send the frame to the 802.11 layer. */ |
1029 | memset(&rxi, 0, sizeof(rxi))__builtin_memset((&rxi), (0), (sizeof(rxi))); |
1030 | rxi.rxi_rssi = MS(ds->ds_status5, AR_RXS5_RSSI_COMBINED)(((uint32_t)(ds->ds_status5) & 0xff000000) >> 24 ); |
1031 | rxi.rxi_tstamp = ds->ds_status3; |
1032 | ieee80211_inputm(ifp, m, ni, &rxi, ml); |
1033 | |
1034 | /* Node is no longer needed. */ |
1035 | ieee80211_release_node(ic, ni); |
1036 | |
1037 | skip: |
1038 | /* Unlink this descriptor from head. */ |
1039 | SIMPLEQ_REMOVE_HEAD(&rxq->head, bf_list)do { if (((&rxq->head)->sqh_first = (&rxq->head )->sqh_first->bf_list.sqe_next) == ((void *)0)) (&rxq ->head)->sqh_last = &(&rxq->head)->sqh_first ; } while (0); |
1040 | memset(bf->bf_desc, 0, sizeof(*ds))__builtin_memset((bf->bf_desc), (0), (sizeof(*ds))); |
1041 | |
1042 | /* Re-use this descriptor and link it to tail. */ |
1043 | bus_dmamap_sync(sc->sc_dmat, bf->bf_map, 0, ATHN_RXBUFSZ,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (3872), (0x01)) |
1044 | BUS_DMASYNC_PREREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (3872), (0x01)); |
1045 | |
1046 | if (qid == ATHN_QID_LP0) |
1047 | AR_WRITE(sc, AR_LP_RXDP, bf->bf_daddr)(sc)->ops.write((sc), (0x0078), (bf->bf_daddr)); |
1048 | else |
1049 | AR_WRITE(sc, AR_HP_RXDP, bf->bf_daddr)(sc)->ops.write((sc), (0x0074), (bf->bf_daddr)); |
1050 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1051 | SIMPLEQ_INSERT_TAIL(&rxq->head, bf, bf_list)do { (bf)->bf_list.sqe_next = ((void *)0); *(&rxq-> head)->sqh_last = (bf); (&rxq->head)->sqh_last = &(bf)->bf_list.sqe_next; } while (0); |
1052 | |
1053 | /* Re-enable Rx. */ |
1054 | AR_WRITE(sc, AR_CR, 0)(sc)->ops.write((sc), (0x0008), (0)); |
1055 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1056 | return (0); |
1057 | } |
1058 | |
1059 | void |
1060 | ar9003_rx_intr(struct athn_softc *sc, int qid) |
1061 | { |
1062 | struct mbuf_list ml = MBUF_LIST_INITIALIZER(){ ((void *)0), ((void *)0), 0 }; |
1063 | struct ieee80211com *ic = &sc->sc_ic; |
1064 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
1065 | |
1066 | while (ar9003_rx_process(sc, qid, &ml) == 0); |
1067 | |
1068 | if_input(ifp, &ml); |
1069 | } |
1070 | |
1071 | int |
1072 | ar9003_tx_process(struct athn_softc *sc) |
1073 | { |
1074 | struct ieee80211com *ic = &sc->sc_ic; |
1075 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
1076 | struct athn_txq *txq; |
1077 | struct athn_node *an; |
1078 | struct athn_tx_buf *bf; |
1079 | struct ar_tx_status *ds; |
1080 | uint8_t qid, failcnt; |
1081 | |
1082 | ds = &((struct ar_tx_status *)sc->txsring)[sc->txscur]; |
1083 | if (!(ds->ds_status8 & AR_TXS8_DONE0x00000001)) |
1084 | return (EBUSY16); |
1085 | |
1086 | sc->txscur = (sc->txscur + 1) % AR9003_NTXSTATUS64; |
1087 | |
1088 | /* Check that it is a valid Tx status descriptor. */ |
1089 | if ((ds->ds_info & (AR_TXI_DESC_ID_M0xffff0000 | AR_TXI_DESC_TX0x00008000)) != |
1090 | (SM(AR_TXI_DESC_ID, AR_VENDOR_ATHEROS)(((uint32_t)(0x168c) << 16) & 0xffff0000) | AR_TXI_DESC_TX0x00008000)) { |
1091 | memset(ds, 0, sizeof(*ds))__builtin_memset((ds), (0), (sizeof(*ds))); |
1092 | return (0); |
1093 | } |
1094 | /* Retrieve the queue that was used to send this PDU. */ |
1095 | qid = MS(ds->ds_info, AR_TXI_QCU_NUM)(((uint32_t)(ds->ds_info) & 0x00000f00) >> 8); |
1096 | txq = &sc->txq[qid]; |
1097 | |
1098 | bf = SIMPLEQ_FIRST(&txq->head)((&txq->head)->sqh_first); |
1099 | if (bf == NULL((void *)0) || bf == txq->wait) { |
1100 | memset(ds, 0, sizeof(*ds))__builtin_memset((ds), (0), (sizeof(*ds))); |
1101 | return (0); |
1102 | } |
1103 | SIMPLEQ_REMOVE_HEAD(&txq->head, bf_list)do { if (((&txq->head)->sqh_first = (&txq->head )->sqh_first->bf_list.sqe_next) == ((void *)0)) (&txq ->head)->sqh_last = &(&txq->head)->sqh_first ; } while (0); |
1104 | |
1105 | sc->sc_tx_timer = 0; |
1106 | |
1107 | if (ds->ds_status3 & AR_TXS3_EXCESSIVE_RETRIES0x00000002) |
1108 | ifp->if_oerrorsif_data.ifi_oerrors++; |
1109 | |
1110 | if (ds->ds_status3 & AR_TXS3_UNDERRUN(0x00000004 | 0x00010000 | 0x00020000)) |
1111 | athn_inc_tx_trigger_level(sc); |
1112 | |
1113 | /* Wakeup PA predistortion state machine. */ |
1114 | if (bf->bf_txflags & ATHN_TXFLAG_PAPRD(1 << 0)) |
1115 | ar9003_paprd_tx_tone_done(sc); |
1116 | |
1117 | an = (struct athn_node *)bf->bf_ni; |
1118 | /* |
1119 | * NB: the data fail count contains the number of un-acked tries |
1120 | * for the final series used. We must add the number of tries for |
1121 | * each series that was fully processed. |
1122 | */ |
1123 | failcnt = MS(ds->ds_status3, AR_TXS3_DATA_FAIL_CNT)(((uint32_t)(ds->ds_status3) & 0x00000f00) >> 8); |
1124 | /* NB: Assume two tries per series. */ |
1125 | failcnt += MS(ds->ds_status8, AR_TXS8_FINAL_IDX)(((uint32_t)(ds->ds_status8) & 0x00600000) >> 21 ) * 2; |
1126 | |
1127 | /* Update rate control statistics. */ |
1128 | an->amn.amn_txcnt++; |
1129 | if (failcnt > 0) |
1130 | an->amn.amn_retrycnt++; |
1131 | |
1132 | DPRINTFN(5, ("Tx done qid=%d status3=%d fail count=%d\n", |
1133 | qid, ds->ds_status3, failcnt)); |
1134 | |
1135 | /* Reset Tx status descriptor. */ |
1136 | memset(ds, 0, sizeof(*ds))__builtin_memset((ds), (0), (sizeof(*ds))); |
1137 | |
1138 | /* Unmap Tx buffer. */ |
1139 | bus_dmamap_sync(sc->sc_dmat, bf->bf_map, 0, bf->bf_map->dm_mapsize,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (bf->bf_map->dm_mapsize), (0x08)) |
1140 | BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (bf->bf_map->dm_mapsize), (0x08)); |
1141 | bus_dmamap_unload(sc->sc_dmat, bf->bf_map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (bf-> bf_map)); |
1142 | |
1143 | m_freem(bf->bf_m); |
1144 | bf->bf_m = NULL((void *)0); |
1145 | ieee80211_release_node(ic, bf->bf_ni); |
1146 | bf->bf_ni = NULL((void *)0); |
1147 | |
1148 | /* Link Tx buffer back to global free list. */ |
1149 | SIMPLEQ_INSERT_TAIL(&sc->txbufs, bf, bf_list)do { (bf)->bf_list.sqe_next = ((void *)0); *(&sc->txbufs )->sqh_last = (bf); (&sc->txbufs)->sqh_last = & (bf)->bf_list.sqe_next; } while (0); |
1150 | |
1151 | /* Queue buffers that are waiting if there is new room. */ |
1152 | if (--txq->queued < AR9003_TX_QDEPTH8 && txq->wait != NULL((void *)0)) { |
1153 | AR_WRITE(sc, AR_QTXDP(qid), txq->wait->bf_daddr)(sc)->ops.write((sc), ((0x0800 + (qid) * 4)), (txq->wait ->bf_daddr)); |
1154 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1155 | txq->wait = SIMPLEQ_NEXT(txq->wait, bf_list)((txq->wait)->bf_list.sqe_next); |
1156 | } |
1157 | return (0); |
1158 | } |
1159 | |
1160 | void |
1161 | ar9003_tx_intr(struct athn_softc *sc) |
1162 | { |
1163 | struct ieee80211com *ic = &sc->sc_ic; |
1164 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
1165 | |
1166 | while (ar9003_tx_process(sc) == 0); |
1167 | |
1168 | if (!SIMPLEQ_EMPTY(&sc->txbufs)(((&sc->txbufs)->sqh_first) == ((void *)0))) { |
1169 | ifq_clr_oactive(&ifp->if_snd); |
1170 | ifp->if_start(ifp); |
1171 | } |
1172 | } |
1173 | |
1174 | #ifndef IEEE80211_STA_ONLY |
1175 | /* |
1176 | * Process Software Beacon Alert interrupts. |
1177 | */ |
1178 | int |
1179 | ar9003_swba_intr(struct athn_softc *sc) |
1180 | { |
1181 | struct ieee80211com *ic = &sc->sc_ic; |
1182 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
1183 | struct ieee80211_node *ni = ic->ic_bss; |
1184 | struct athn_tx_buf *bf = sc->bcnbuf; |
1185 | struct ieee80211_frame *wh; |
1186 | struct ar_tx_desc *ds; |
1187 | struct mbuf *m; |
1188 | uint32_t sum; |
1189 | uint8_t ridx, hwrate; |
1190 | int error, totlen; |
1191 | |
1192 | if (ic->ic_tim_mcast_pending && |
1193 | mq_empty(&ni->ni_savedq)(({ typeof((&ni->ni_savedq)->mq_list.ml_len) __tmp = *(volatile typeof((&ni->ni_savedq)->mq_list.ml_len ) *)&((&ni->ni_savedq)->mq_list.ml_len); membar_datadep_consumer (); __tmp; }) == 0) && |
1194 | SIMPLEQ_EMPTY(&sc->txq[ATHN_QID_CAB].head)(((&sc->txq[6].head)->sqh_first) == ((void *)0))) |
1195 | ic->ic_tim_mcast_pending = 0; |
1196 | |
1197 | if (ic->ic_dtim_count == 0) |
1198 | ic->ic_dtim_count = ic->ic_dtim_period - 1; |
1199 | else |
1200 | ic->ic_dtim_count--; |
1201 | |
1202 | /* Make sure previous beacon has been sent. */ |
1203 | if (athn_tx_pending(sc, ATHN_QID_BEACON7)) { |
1204 | DPRINTF(("beacon stuck\n")); |
1205 | return (EBUSY16); |
1206 | } |
1207 | /* Get new beacon. */ |
1208 | m = ieee80211_beacon_alloc(ic, ic->ic_bss); |
1209 | if (__predict_false(m == NULL)__builtin_expect(((m == ((void *)0)) != 0), 0)) |
1210 | return (ENOBUFS55); |
1211 | /* Assign sequence number. */ |
1212 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1213 | *(uint16_t *)&wh->i_seq[0] = |
1214 | htole16(ic->ic_bss->ni_txseq << IEEE80211_SEQ_SEQ_SHIFT)((__uint16_t)(ic->ic_bss->ni_txseq << 4)); |
1215 | ic->ic_bss->ni_txseq++; |
1216 | |
1217 | /* Unmap and free old beacon if any. */ |
1218 | if (__predict_true(bf->bf_m != NULL)__builtin_expect(((bf->bf_m != ((void *)0)) != 0), 1)) { |
1219 | bus_dmamap_sync(sc->sc_dmat, bf->bf_map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (bf->bf_map->dm_mapsize), (0x08)) |
1220 | bf->bf_map->dm_mapsize, BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (bf->bf_map->dm_mapsize), (0x08)); |
1221 | bus_dmamap_unload(sc->sc_dmat, bf->bf_map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (bf-> bf_map)); |
1222 | m_freem(bf->bf_m); |
1223 | bf->bf_m = NULL((void *)0); |
1224 | } |
1225 | /* DMA map new beacon. */ |
1226 | error = bus_dmamap_load_mbuf(sc->sc_dmat, bf->bf_map, m,(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( bf->bf_map), (m), (0x0001 | 0x0400)) |
1227 | BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( bf->bf_map), (m), (0x0001 | 0x0400)); |
1228 | if (__predict_false(error != 0)__builtin_expect(((error != 0) != 0), 0)) { |
1229 | m_freem(m); |
1230 | return (error); |
1231 | } |
1232 | bf->bf_m = m; |
1233 | |
1234 | /* Setup Tx descriptor (simplified ar9003_tx()). */ |
1235 | ds = bf->bf_descs; |
1236 | memset(ds, 0, sizeof(*ds))__builtin_memset((ds), (0), (sizeof(*ds))); |
1237 | |
1238 | ds->ds_info = |
1239 | SM(AR_TXI_DESC_ID, AR_VENDOR_ATHEROS)(((uint32_t)(0x168c) << 16) & 0xffff0000) | |
1240 | SM(AR_TXI_DESC_NDWORDS, 23)(((uint32_t)(23) << 0) & 0x000000ff) | |
1241 | SM(AR_TXI_QCU_NUM, ATHN_QID_BEACON)(((uint32_t)(7) << 8) & 0x00000f00) | |
1242 | AR_TXI_DESC_TX0x00008000 | AR_TXI_CTRL_STAT0x00004000; |
1243 | |
1244 | totlen = m->m_pkthdrM_dat.MH.MH_pkthdr.len + IEEE80211_CRC_LEN4; |
1245 | ds->ds_ctl11 = SM(AR_TXC11_FRAME_LEN, totlen)(((uint32_t)(totlen) << 0) & 0x00000fff); |
1246 | ds->ds_ctl11 |= SM(AR_TXC11_XMIT_POWER, AR_MAX_RATE_POWER)(((uint32_t)(63) << 16) & 0x003f0000); |
1247 | ds->ds_ctl12 = SM(AR_TXC12_FRAME_TYPE, AR_FRAME_TYPE_BEACON)(((uint32_t)(3) << 20) & 0x00f00000); |
1248 | ds->ds_ctl12 |= AR_TXC12_NO_ACK0x01000000; |
1249 | ds->ds_ctl17 = SM(AR_TXC17_ENCR_TYPE, AR_ENCR_TYPE_CLEAR)(((uint32_t)(0) << 26) & 0x0c000000); |
1250 | |
1251 | /* Write number of tries. */ |
1252 | ds->ds_ctl13 = SM(AR_TXC13_XMIT_DATA_TRIES0, 1)(((uint32_t)(1) << 16) & 0x000f0000); |
1253 | |
1254 | /* Write Tx rate. */ |
1255 | ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ? |
1256 | ATHN_RIDX_OFDM64 : ATHN_RIDX_CCK10; |
1257 | hwrate = athn_rates[ridx].hwrate; |
1258 | ds->ds_ctl14 = SM(AR_TXC14_XMIT_RATE0, hwrate)(((uint32_t)(hwrate) << 0) & 0x000000ff); |
1259 | |
1260 | /* Write Tx chains. */ |
1261 | ds->ds_ctl18 = SM(AR_TXC18_CHAIN_SEL0, sc->txchainmask)(((uint32_t)(sc->txchainmask) << 2) & 0x0000001c ); |
1262 | |
1263 | ds->ds_segs[0].ds_data = bf->bf_map->dm_segs[0].ds_addr; |
1264 | /* Segment length must be a multiple of 4. */ |
1265 | ds->ds_segs[0].ds_ctl |= SM(AR_TXC_BUF_LEN,(((uint32_t)((bf->bf_map->dm_segs[0].ds_len + 3) & ~ 3) << 16) & 0x0fff0000) |
1266 | (bf->bf_map->dm_segs[0].ds_len + 3) & ~3)(((uint32_t)((bf->bf_map->dm_segs[0].ds_len + 3) & ~ 3) << 16) & 0x0fff0000); |
1267 | /* Compute Tx descriptor checksum. */ |
1268 | sum = ds->ds_info; |
1269 | sum += ds->ds_segs[0].ds_data; |
1270 | sum += ds->ds_segs[0].ds_ctl; |
1271 | sum = (sum >> 16) + (sum & 0xffff); |
1272 | ds->ds_ctl10 = SM(AR_TXC10_PTR_CHK_SUM, sum)(((uint32_t)(sum) << 0) & 0x0000ffff); |
1273 | |
1274 | bus_dmamap_sync(sc->sc_dmat, bf->bf_map, 0, bf->bf_map->dm_mapsize,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (bf->bf_map->dm_mapsize), (0x04)) |
1275 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (bf->bf_map->dm_mapsize), (0x04)); |
1276 | |
1277 | /* Stop Tx DMA before putting the new beacon on the queue. */ |
1278 | athn_stop_tx_dma(sc, ATHN_QID_BEACON7); |
1279 | |
1280 | AR_WRITE(sc, AR_QTXDP(ATHN_QID_BEACON), bf->bf_daddr)(sc)->ops.write((sc), ((0x0800 + (7) * 4)), (bf->bf_daddr )); |
1281 | |
1282 | for(;;) { |
1283 | if (SIMPLEQ_EMPTY(&sc->txbufs)(((&sc->txbufs)->sqh_first) == ((void *)0))) |
1284 | break; |
1285 | |
1286 | m = mq_dequeue(&ni->ni_savedq); |
1287 | if (m == NULL((void *)0)) |
1288 | break; |
1289 | if (!mq_empty(&ni->ni_savedq)(({ typeof((&ni->ni_savedq)->mq_list.ml_len) __tmp = *(volatile typeof((&ni->ni_savedq)->mq_list.ml_len ) *)&((&ni->ni_savedq)->mq_list.ml_len); membar_datadep_consumer (); __tmp; }) == 0)) { |
1290 | /* more queued frames, set the more data bit */ |
1291 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1292 | wh->i_fc[1] |= IEEE80211_FC1_MORE_DATA0x20; |
1293 | } |
1294 | |
1295 | if (sc->ops.tx(sc, m, ni, ATHN_TXFLAG_CAB(1 << 1)) != 0) { |
1296 | ieee80211_release_node(ic, ni); |
1297 | ifp->if_oerrorsif_data.ifi_oerrors++; |
1298 | break; |
1299 | } |
1300 | } |
1301 | |
1302 | /* Kick Tx. */ |
1303 | AR_WRITE(sc, AR_Q_TXE, 1 << ATHN_QID_BEACON)(sc)->ops.write((sc), (0x0840), (1 << 7)); |
1304 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1305 | return (0); |
1306 | } |
1307 | #endif |
1308 | |
1309 | int |
1310 | ar9003_intr(struct athn_softc *sc) |
1311 | { |
1312 | uint32_t intr, intr2, intr5, sync; |
1313 | |
1314 | /* Get pending interrupts. */ |
1315 | intr = AR_READ(sc, AR_INTR_ASYNC_CAUSE)(sc)->ops.read((sc), (0x4038)); |
1316 | if (!(intr & AR_INTR_MAC_IRQ0x00000002) || intr == AR_INTR_SPURIOUS0xffffffff) { |
1317 | intr = AR_READ(sc, AR_INTR_SYNC_CAUSE)(sc)->ops.read((sc), (0x4028)); |
1318 | if (intr == AR_INTR_SPURIOUS0xffffffff || (intr & sc->isync) == 0) |
1319 | return (0); /* Not for us. */ |
1320 | } |
1321 | |
1322 | if ((AR_READ(sc, AR_INTR_ASYNC_CAUSE)(sc)->ops.read((sc), (0x4038)) & AR_INTR_MAC_IRQ0x00000002) && |
1323 | (AR_READ(sc, AR_RTC_STATUS)(sc)->ops.read((sc), (0x7044)) & AR_RTC_STATUS_M0x0000000f) == AR_RTC_STATUS_ON0x00000002) |
1324 | intr = AR_READ(sc, AR_ISR)(sc)->ops.read((sc), (0x0080)); |
1325 | else |
1326 | intr = 0; |
1327 | sync = AR_READ(sc, AR_INTR_SYNC_CAUSE)(sc)->ops.read((sc), (0x4028)) & sc->isync; |
1328 | if (intr == 0 && sync == 0) |
1329 | return (0); /* Not for us. */ |
1330 | |
1331 | if (intr != 0) { |
1332 | if (intr & AR_ISR_BCNMISC0x00800000) { |
1333 | intr2 = AR_READ(sc, AR_ISR_S2)(sc)->ops.read((sc), (0x008c)); |
1334 | if (intr2 & AR_ISR_S2_TIM0x01000000) |
1335 | /* TBD */; |
1336 | if (intr2 & AR_ISR_S2_TSFOOR0x40000000) |
1337 | /* TBD */; |
1338 | if (intr2 & AR_ISR_S2_BB_WATCHDOG0x00010000) |
1339 | /* TBD */; |
1340 | } |
1341 | intr = AR_READ(sc, AR_ISR_RAC)(sc)->ops.read((sc), (0x00c0)); |
1342 | if (intr == AR_INTR_SPURIOUS0xffffffff) |
1343 | return (1); |
1344 | |
1345 | #ifndef IEEE80211_STA_ONLY |
1346 | if (intr & AR_ISR_SWBA0x00010000) |
1347 | ar9003_swba_intr(sc); |
1348 | #endif |
1349 | if (intr & (AR_ISR_RXMINTR0x01000000 | AR_ISR_RXINTM0x80000000)) |
1350 | ar9003_rx_intr(sc, ATHN_QID_LP0); |
1351 | if (intr & (AR_ISR_LP_RXOK0x00000002 | AR_ISR_RXERR0x00000004 | AR_ISR_RXEOL0x00000010)) |
1352 | ar9003_rx_intr(sc, ATHN_QID_LP0); |
1353 | if (intr & AR_ISR_HP_RXOK0x00000001) |
1354 | ar9003_rx_intr(sc, ATHN_QID_HP1); |
1355 | |
1356 | if (intr & (AR_ISR_TXMINTR0x00080000 | AR_ISR_TXINTM0x40000000)) |
1357 | ar9003_tx_intr(sc); |
1358 | if (intr & (AR_ISR_TXOK0x00000040 | AR_ISR_TXERR0x00000100 | AR_ISR_TXEOL0x00000400)) |
1359 | ar9003_tx_intr(sc); |
1360 | |
1361 | if (intr & AR_ISR_GENTMR0x10000000) { |
1362 | intr5 = AR_READ(sc, AR_ISR_S5_S)(sc)->ops.read((sc), (0x00dc)); |
1363 | DPRINTF(("GENTMR trigger=%d thresh=%d\n", |
1364 | MS(intr5, AR_ISR_S5_GENTIMER_TRIG), |
1365 | MS(intr5, AR_ISR_S5_GENTIMER_THRESH))); |
1366 | } |
1367 | } |
1368 | if (sync != 0) { |
1369 | if (sync & AR_INTR_SYNC_RADM_CPL_TIMEOUT0x00001000) { |
1370 | AR_WRITE(sc, AR_RC, AR_RC_HOSTIF)(sc)->ops.write((sc), (0x4000), (0x00000100)); |
1371 | AR_WRITE(sc, AR_RC, 0)(sc)->ops.write((sc), (0x4000), (0)); |
1372 | } |
1373 | |
1374 | if ((sc->flags & ATHN_FLAG_RFSILENT(1 << 5)) && |
1375 | (sync & AR_INTR_SYNC_GPIO_PIN(sc->rfsilent_pin)(1 << (18 + (sc->rfsilent_pin))))) { |
1376 | struct ifnet *ifp = &sc->sc_ic.ic_ific_ac.ac_if; |
1377 | |
1378 | printf("%s: radio switch turned off\n", |
1379 | sc->sc_dev.dv_xname); |
1380 | /* Turn the interface down. */ |
1381 | athn_stop(ifp, 1); |
1382 | return (1); |
1383 | } |
1384 | |
1385 | AR_WRITE(sc, AR_INTR_SYNC_CAUSE, sync)(sc)->ops.write((sc), (0x4028), (sync)); |
1386 | (void)AR_READ(sc, AR_INTR_SYNC_CAUSE)(sc)->ops.read((sc), (0x4028)); |
1387 | } |
1388 | return (1); |
1389 | } |
1390 | |
1391 | int |
1392 | ar9003_tx(struct athn_softc *sc, struct mbuf *m, struct ieee80211_node *ni, |
1393 | int txflags) |
1394 | { |
1395 | struct ieee80211com *ic = &sc->sc_ic; |
1396 | struct ieee80211_key *k = NULL((void *)0); |
1397 | struct ieee80211_frame *wh; |
1398 | struct athn_series series[4]; |
1399 | struct ar_tx_desc *ds; |
1400 | struct athn_txq *txq; |
1401 | struct athn_tx_buf *bf; |
1402 | struct athn_node *an = (void *)ni; |
1403 | struct mbuf *m1; |
1404 | uintptr_t entry; |
1405 | uint32_t sum; |
1406 | uint16_t qos = 0; |
1407 | uint8_t txpower, type, encrtype, tid, ridx[4]; |
1408 | int i, error, totlen, hasqos, qid; |
1409 | |
1410 | /* Grab a Tx buffer from our global free list. */ |
1411 | bf = SIMPLEQ_FIRST(&sc->txbufs)((&sc->txbufs)->sqh_first); |
1412 | KASSERT(bf != NULL)((bf != ((void *)0)) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/ic/ar9003.c" , 1412, "bf != NULL")); |
1413 | |
1414 | /* Map 802.11 frame type to hardware frame type. */ |
1415 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1416 | if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK0x0c) == |
1417 | IEEE80211_FC0_TYPE_MGT0x00) { |
1418 | /* NB: Beacons do not use ar9003_tx(). */ |
1419 | if ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK0xf0) == |
1420 | IEEE80211_FC0_SUBTYPE_PROBE_RESP0x50) |
1421 | type = AR_FRAME_TYPE_PROBE_RESP4; |
1422 | else if ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK0xf0) == |
1423 | IEEE80211_FC0_SUBTYPE_ATIM0x90) |
1424 | type = AR_FRAME_TYPE_ATIM1; |
1425 | else |
1426 | type = AR_FRAME_TYPE_NORMAL0; |
1427 | } else if ((wh->i_fc[0] & |
1428 | (IEEE80211_FC0_TYPE_MASK0x0c | IEEE80211_FC0_SUBTYPE_MASK0xf0)) == |
1429 | (IEEE80211_FC0_TYPE_CTL0x04 | IEEE80211_FC0_SUBTYPE_PS_POLL0xa0)) { |
1430 | type = AR_FRAME_TYPE_PSPOLL2; |
1431 | } else |
1432 | type = AR_FRAME_TYPE_NORMAL0; |
1433 | |
1434 | if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED0x40) { |
1435 | k = ieee80211_get_txkey(ic, wh, ni); |
1436 | if ((m = ieee80211_encrypt(ic, m, k)) == NULL((void *)0)) |
1437 | return (ENOBUFS55); |
1438 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1439 | } |
1440 | |
1441 | /* XXX 2-byte padding for QoS and 4-addr headers. */ |
1442 | |
1443 | /* Select the HW Tx queue to use for this frame. */ |
1444 | if ((hasqos = ieee80211_has_qos(wh))) { |
1445 | qos = ieee80211_get_qos(wh); |
1446 | tid = qos & IEEE80211_QOS_TID0x000f; |
1447 | qid = athn_ac2qid[ieee80211_up_to_ac(ic, tid)]; |
1448 | } else if (type == AR_FRAME_TYPE_PSPOLL2) { |
1449 | qid = ATHN_QID_PSPOLL1; |
1450 | } else if (txflags & ATHN_TXFLAG_CAB(1 << 1)) { |
1451 | qid = ATHN_QID_CAB6; |
1452 | } else |
1453 | qid = ATHN_QID_AC_BE0; |
1454 | txq = &sc->txq[qid]; |
1455 | |
1456 | /* Select the transmit rates to use for this frame. */ |
1457 | if (IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) || |
1458 | (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK0x0c) != |
1459 | IEEE80211_FC0_TYPE_DATA0x08) { |
1460 | /* Use lowest rate for all tries. */ |
1461 | ridx[0] = ridx[1] = ridx[2] = ridx[3] = |
1462 | (ic->ic_curmode == IEEE80211_MODE_11A) ? |
1463 | ATHN_RIDX_OFDM64 : ATHN_RIDX_CCK10; |
1464 | } else if (ic->ic_fixed_rate != -1) { |
1465 | /* Use same fixed rate for all tries. */ |
1466 | ridx[0] = ridx[1] = ridx[2] = ridx[3] = |
1467 | sc->fixed_ridx; |
1468 | } else { |
1469 | int txrate = ni->ni_txrate; |
1470 | /* Use fallback table of the node. */ |
1471 | for (i = 0; i < 4; i++) { |
1472 | ridx[i] = an->ridx[txrate]; |
1473 | txrate = an->fallback[txrate]; |
1474 | } |
1475 | } |
1476 | |
1477 | #if NBPFILTER1 > 0 |
1478 | if (__predict_false(sc->sc_drvbpf != NULL)__builtin_expect(((sc->sc_drvbpf != ((void *)0)) != 0), 0)) { |
1479 | struct athn_tx_radiotap_header *tap = &sc->sc_txtapsc_txtapu.th; |
1480 | |
1481 | tap->wt_flags = 0; |
1482 | /* Use initial transmit rate. */ |
1483 | tap->wt_rate = athn_rates[ridx[0]].rate; |
1484 | tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq)((__uint16_t)(ic->ic_bss->ni_chan->ic_freq)); |
1485 | tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags)((__uint16_t)(ic->ic_bss->ni_chan->ic_flags)); |
1486 | if (athn_rates[ridx[0]].phy == IEEE80211_T_DS && |
1487 | ridx[0] != ATHN_RIDX_CCK10 && |
1488 | (ic->ic_flags & IEEE80211_F_SHPREAMBLE0x00040000)) |
1489 | tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE0x02; |
1490 | bpf_mtap_hdr(sc->sc_drvbpf, tap, sc->sc_txtap_len, m, |
1491 | BPF_DIRECTION_OUT(1 << 1)); |
1492 | } |
1493 | #endif |
1494 | |
1495 | /* DMA map mbuf. */ |
1496 | error = bus_dmamap_load_mbuf(sc->sc_dmat, bf->bf_map, m,(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( bf->bf_map), (m), (0x0001 | 0x0400)) |
1497 | BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( bf->bf_map), (m), (0x0001 | 0x0400)); |
1498 | if (__predict_false(error != 0)__builtin_expect(((error != 0) != 0), 0)) { |
1499 | if (error != EFBIG27) { |
1500 | printf("%s: can't map mbuf (error %d)\n", |
1501 | sc->sc_dev.dv_xname, error); |
1502 | m_freem(m); |
1503 | return (error); |
1504 | } |
1505 | /* |
1506 | * DMA mapping requires too many DMA segments; linearize |
1507 | * mbuf in kernel virtual address space and retry. |
1508 | */ |
1509 | MGETHDR(m1, M_DONTWAIT, MT_DATA)m1 = m_gethdr((0x0002), (1)); |
1510 | if (m1 == NULL((void *)0)) { |
1511 | m_freem(m); |
1512 | return (ENOBUFS55); |
1513 | } |
1514 | if (m->m_pkthdrM_dat.MH.MH_pkthdr.len > MHLEN((256 - sizeof(struct m_hdr)) - sizeof(struct pkthdr))) { |
1515 | MCLGET(m1, M_DONTWAIT)(void) m_clget((m1), (0x0002), (1 << 11)); |
1516 | if (!(m1->m_flagsm_hdr.mh_flags & M_EXT0x0001)) { |
1517 | m_freem(m); |
1518 | m_freem(m1); |
1519 | return (ENOBUFS55); |
1520 | } |
1521 | } |
1522 | m_copydata(m, 0, m->m_pkthdrM_dat.MH.MH_pkthdr.len, mtod(m1, caddr_t)((caddr_t)((m1)->m_hdr.mh_data))); |
1523 | m1->m_pkthdrM_dat.MH.MH_pkthdr.len = m1->m_lenm_hdr.mh_len = m->m_pkthdrM_dat.MH.MH_pkthdr.len; |
1524 | m_freem(m); |
1525 | m = m1; |
1526 | |
1527 | error = bus_dmamap_load_mbuf(sc->sc_dmat, bf->bf_map, m,(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( bf->bf_map), (m), (0x0001 | 0x0400)) |
1528 | BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( bf->bf_map), (m), (0x0001 | 0x0400)); |
1529 | if (error != 0) { |
1530 | printf("%s: can't map mbuf (error %d)\n", |
1531 | sc->sc_dev.dv_xname, error); |
1532 | m_freem(m); |
1533 | return (error); |
1534 | } |
1535 | } |
1536 | bf->bf_m = m; |
1537 | bf->bf_ni = ni; |
1538 | bf->bf_txflags = txflags; |
1539 | |
1540 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1541 | |
1542 | totlen = m->m_pkthdrM_dat.MH.MH_pkthdr.len + IEEE80211_CRC_LEN4; |
1543 | |
1544 | /* Setup Tx descriptor. */ |
1545 | ds = bf->bf_descs; |
1546 | memset(ds, 0, sizeof(*ds))__builtin_memset((ds), (0), (sizeof(*ds))); |
1547 | |
1548 | ds->ds_info = |
1549 | SM(AR_TXI_DESC_ID, AR_VENDOR_ATHEROS)(((uint32_t)(0x168c) << 16) & 0xffff0000) | |
1550 | SM(AR_TXI_DESC_NDWORDS, 23)(((uint32_t)(23) << 0) & 0x000000ff) | |
1551 | SM(AR_TXI_QCU_NUM, qid)(((uint32_t)(qid) << 8) & 0x00000f00) | |
1552 | AR_TXI_DESC_TX0x00008000 | AR_TXI_CTRL_STAT0x00004000; |
1553 | |
1554 | ds->ds_ctl11 = AR_TXC11_CLR_DEST_MASK0x01000000; |
1555 | txpower = AR_MAX_RATE_POWER63; /* Get from per-rate registers. */ |
1556 | ds->ds_ctl11 |= SM(AR_TXC11_XMIT_POWER, txpower)(((uint32_t)(txpower) << 16) & 0x003f0000); |
1557 | |
1558 | ds->ds_ctl12 = SM(AR_TXC12_FRAME_TYPE, type)(((uint32_t)(type) << 20) & 0x00f00000); |
1559 | |
1560 | if (IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) || |
1561 | (hasqos && (qos & IEEE80211_QOS_ACK_POLICY_MASK0x0060) == |
1562 | IEEE80211_QOS_ACK_POLICY_NOACK0x0020)) |
1563 | ds->ds_ctl12 |= AR_TXC12_NO_ACK0x01000000; |
1564 | |
1565 | if (0 && k != NULL((void *)0)) { |
1566 | /* |
1567 | * Map 802.11 cipher to hardware encryption type and |
1568 | * compute MIC+ICV overhead. |
1569 | */ |
1570 | switch (k->k_cipher) { |
1571 | case IEEE80211_CIPHER_WEP40: |
1572 | case IEEE80211_CIPHER_WEP104: |
1573 | encrtype = AR_ENCR_TYPE_WEP1; |
1574 | totlen += 4; |
1575 | break; |
1576 | case IEEE80211_CIPHER_TKIP: |
1577 | encrtype = AR_ENCR_TYPE_TKIP3; |
1578 | totlen += 12; |
1579 | break; |
1580 | case IEEE80211_CIPHER_CCMP: |
1581 | encrtype = AR_ENCR_TYPE_AES2; |
1582 | totlen += 8; |
1583 | break; |
1584 | default: |
1585 | panic("unsupported cipher"); |
1586 | } |
1587 | /* |
1588 | * NB: The key cache entry index is stored in the key |
1589 | * private field when the key is installed. |
1590 | */ |
1591 | entry = (uintptr_t)k->k_priv; |
1592 | ds->ds_ctl12 |= SM(AR_TXC12_DEST_IDX, entry)(((uint32_t)(entry) << 13) & 0x000fe000); |
1593 | ds->ds_ctl11 |= AR_TXC11_DEST_IDX_VALID0x40000000; |
1594 | } else |
1595 | encrtype = AR_ENCR_TYPE_CLEAR0; |
1596 | ds->ds_ctl17 = SM(AR_TXC17_ENCR_TYPE, encrtype)(((uint32_t)(encrtype) << 26) & 0x0c000000); |
1597 | |
1598 | /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ |
1599 | if (!IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) && |
1600 | (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK0x0c) == |
1601 | IEEE80211_FC0_TYPE_DATA0x08) { |
1602 | /* NB: Group frames are sent using CCK in 802.11b/g. */ |
1603 | if (totlen > ic->ic_rtsthreshold) { |
1604 | ds->ds_ctl11 |= AR_TXC11_RTS_ENABLE0x00400000; |
1605 | } else if ((ic->ic_flags & IEEE80211_F_USEPROT0x00100000) && |
1606 | athn_rates[ridx[0]].phy == IEEE80211_T_OFDM) { |
1607 | if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) |
1608 | ds->ds_ctl11 |= AR_TXC11_RTS_ENABLE0x00400000; |
1609 | else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) |
1610 | ds->ds_ctl11 |= AR_TXC11_CTS_ENABLE0x80000000; |
1611 | } |
1612 | } |
1613 | /* |
1614 | * Disable multi-rate retries when protection is used. |
1615 | * The RTS/CTS frame's duration field is fixed and won't be |
1616 | * updated by hardware when the data rate changes. |
1617 | */ |
1618 | if (ds->ds_ctl11 & (AR_TXC11_RTS_ENABLE0x00400000 | AR_TXC11_CTS_ENABLE0x80000000)) { |
1619 | ridx[1] = ridx[2] = ridx[3] = ridx[0]; |
1620 | } |
1621 | /* Setup multi-rate retries. */ |
1622 | for (i = 0; i < 4; i++) { |
1623 | series[i].hwrate = athn_rates[ridx[i]].hwrate; |
1624 | if (athn_rates[ridx[i]].phy == IEEE80211_T_DS && |
1625 | ridx[i] != ATHN_RIDX_CCK10 && |
1626 | (ic->ic_flags & IEEE80211_F_SHPREAMBLE0x00040000)) |
1627 | series[i].hwrate |= 0x04; |
1628 | series[i].dur = 0; |
1629 | } |
1630 | if (!(ds->ds_ctl12 & AR_TXC12_NO_ACK0x01000000)) { |
1631 | /* Compute duration for each series. */ |
1632 | for (i = 0; i < 4; i++) { |
1633 | series[i].dur = athn_txtime(sc, IEEE80211_ACK_LEN(sizeof(struct ieee80211_frame_ack) + 4), |
1634 | athn_rates[ridx[i]].rspridx, ic->ic_flags); |
1635 | } |
1636 | } |
1637 | /* If this is a PA training frame, select the Tx chain to use. */ |
1638 | if (__predict_false(txflags & ATHN_TXFLAG_PAPRD)__builtin_expect(((txflags & (1 << 0)) != 0), 0)) { |
1639 | ds->ds_ctl12 |= SM(AR_TXC12_PAPRD_CHAIN_MASK,(((uint32_t)(1 << sc->paprd_curchain) << 9) & 0x00000e00) |
1640 | 1 << sc->paprd_curchain)(((uint32_t)(1 << sc->paprd_curchain) << 9) & 0x00000e00); |
1641 | } |
1642 | |
1643 | /* Write number of tries for each series. */ |
1644 | ds->ds_ctl13 = |
1645 | SM(AR_TXC13_XMIT_DATA_TRIES0, 2)(((uint32_t)(2) << 16) & 0x000f0000) | |
1646 | SM(AR_TXC13_XMIT_DATA_TRIES1, 2)(((uint32_t)(2) << 20) & 0x00f00000) | |
1647 | SM(AR_TXC13_XMIT_DATA_TRIES2, 2)(((uint32_t)(2) << 24) & 0x0f000000) | |
1648 | SM(AR_TXC13_XMIT_DATA_TRIES3, 4)(((uint32_t)(4) << 28) & 0xf0000000); |
1649 | |
1650 | /* Tell HW to update duration field in 802.11 header. */ |
1651 | if (type != AR_FRAME_TYPE_PSPOLL2) |
1652 | ds->ds_ctl13 |= AR_TXC13_DUR_UPDATE_ENA0x00008000; |
1653 | |
1654 | /* Write Tx rate for each series. */ |
1655 | ds->ds_ctl14 = |
1656 | SM(AR_TXC14_XMIT_RATE0, series[0].hwrate)(((uint32_t)(series[0].hwrate) << 0) & 0x000000ff) | |
1657 | SM(AR_TXC14_XMIT_RATE1, series[1].hwrate)(((uint32_t)(series[1].hwrate) << 8) & 0x0000ff00) | |
1658 | SM(AR_TXC14_XMIT_RATE2, series[2].hwrate)(((uint32_t)(series[2].hwrate) << 16) & 0x00ff0000) | |
1659 | SM(AR_TXC14_XMIT_RATE3, series[3].hwrate)(((uint32_t)(series[3].hwrate) << 24) & 0xff000000); |
1660 | |
1661 | /* Write duration for each series. */ |
1662 | ds->ds_ctl15 = |
1663 | SM(AR_TXC15_PACKET_DUR0, series[0].dur)(((uint32_t)(series[0].dur) << 0) & 0x00007fff) | |
1664 | SM(AR_TXC15_PACKET_DUR1, series[1].dur)(((uint32_t)(series[1].dur) << 16) & 0x7fff0000); |
1665 | ds->ds_ctl16 = |
1666 | SM(AR_TXC16_PACKET_DUR2, series[2].dur)(((uint32_t)(series[2].dur) << 0) & 0x00007fff) | |
1667 | SM(AR_TXC16_PACKET_DUR3, series[3].dur)(((uint32_t)(series[3].dur) << 16) & 0x7fff0000); |
1668 | |
1669 | if ((sc->flags & ATHN_FLAG_3TREDUCE_CHAIN(1 << 14)) && |
1670 | ic->ic_curmode == IEEE80211_MODE_11A) { |
1671 | /* |
1672 | * In order to not exceed PCIe power requirements, we only |
1673 | * use two Tx chains for MCS0~15 on 5GHz band on these chips. |
1674 | */ |
1675 | ds->ds_ctl18 = |
1676 | SM(AR_TXC18_CHAIN_SEL0,(((uint32_t)((ridx[0] <= 27) ? 0x3 : sc->txchainmask) << 2) & 0x0000001c) |
1677 | (ridx[0] <= ATHN_RIDX_MCS15) ? 0x3 : sc->txchainmask)(((uint32_t)((ridx[0] <= 27) ? 0x3 : sc->txchainmask) << 2) & 0x0000001c) | |
1678 | SM(AR_TXC18_CHAIN_SEL1,(((uint32_t)((ridx[1] <= 27) ? 0x3 : sc->txchainmask) << 7) & 0x00000380) |
1679 | (ridx[1] <= ATHN_RIDX_MCS15) ? 0x3 : sc->txchainmask)(((uint32_t)((ridx[1] <= 27) ? 0x3 : sc->txchainmask) << 7) & 0x00000380) | |
1680 | SM(AR_TXC18_CHAIN_SEL2,(((uint32_t)((ridx[2] <= 27) ? 0x3 : sc->txchainmask) << 12) & 0x00007000) |
1681 | (ridx[2] <= ATHN_RIDX_MCS15) ? 0x3 : sc->txchainmask)(((uint32_t)((ridx[2] <= 27) ? 0x3 : sc->txchainmask) << 12) & 0x00007000) | |
1682 | SM(AR_TXC18_CHAIN_SEL3,(((uint32_t)((ridx[3] <= 27) ? 0x3 : sc->txchainmask) << 17) & 0x000e0000) |
1683 | (ridx[3] <= ATHN_RIDX_MCS15) ? 0x3 : sc->txchainmask)(((uint32_t)((ridx[3] <= 27) ? 0x3 : sc->txchainmask) << 17) & 0x000e0000); |
1684 | } else { |
1685 | /* Use the same Tx chains for all tries. */ |
1686 | ds->ds_ctl18 = |
1687 | SM(AR_TXC18_CHAIN_SEL0, sc->txchainmask)(((uint32_t)(sc->txchainmask) << 2) & 0x0000001c ) | |
1688 | SM(AR_TXC18_CHAIN_SEL1, sc->txchainmask)(((uint32_t)(sc->txchainmask) << 7) & 0x00000380 ) | |
1689 | SM(AR_TXC18_CHAIN_SEL2, sc->txchainmask)(((uint32_t)(sc->txchainmask) << 12) & 0x00007000 ) | |
1690 | SM(AR_TXC18_CHAIN_SEL3, sc->txchainmask)(((uint32_t)(sc->txchainmask) << 17) & 0x000e0000 ); |
1691 | } |
1692 | #ifdef notyet |
1693 | /* Use the same short GI setting for all tries. */ |
1694 | if (ic->ic_flags & IEEE80211_F_SHGI) |
1695 | ds->ds_ctl18 |= AR_TXC18_GI0123(0x00000002 | 0x00000040 | 0x00000800 | 0x00010000); |
1696 | /* Use the same channel width for all tries. */ |
1697 | if (ic->ic_flags & IEEE80211_F_CBW40) |
1698 | ds->ds_ctl18 |= AR_TXC18_2040_0123(0x00000001 | 0x00000020 | 0x00000400 | 0x00008000); |
1699 | #endif |
1700 | |
1701 | if (ds->ds_ctl11 & (AR_TXC11_RTS_ENABLE0x00400000 | AR_TXC11_CTS_ENABLE0x80000000)) { |
1702 | uint8_t protridx, hwrate; |
1703 | uint16_t dur = 0; |
1704 | |
1705 | /* Use the same protection mode for all tries. */ |
1706 | if (ds->ds_ctl11 & AR_TXC11_RTS_ENABLE0x00400000) { |
1707 | ds->ds_ctl15 |= AR_TXC15_RTSCTS_QUAL01(0x00008000 | 0x80000000); |
1708 | ds->ds_ctl16 |= AR_TXC16_RTSCTS_QUAL23(0x00008000 | 0x80000000); |
1709 | } |
1710 | /* Select protection rate (suboptimal but ok). */ |
1711 | protridx = (ic->ic_curmode == IEEE80211_MODE_11A) ? |
1712 | ATHN_RIDX_OFDM64 : ATHN_RIDX_CCK21; |
1713 | if (ds->ds_ctl11 & AR_TXC11_RTS_ENABLE0x00400000) { |
1714 | /* Account for CTS duration. */ |
1715 | dur += athn_txtime(sc, IEEE80211_ACK_LEN(sizeof(struct ieee80211_frame_ack) + 4), |
1716 | athn_rates[protridx].rspridx, ic->ic_flags); |
1717 | } |
1718 | dur += athn_txtime(sc, totlen, ridx[0], ic->ic_flags); |
1719 | if (!(ds->ds_ctl12 & AR_TXC12_NO_ACK0x01000000)) { |
1720 | /* Account for ACK duration. */ |
1721 | dur += athn_txtime(sc, IEEE80211_ACK_LEN(sizeof(struct ieee80211_frame_ack) + 4), |
1722 | athn_rates[ridx[0]].rspridx, ic->ic_flags); |
1723 | } |
1724 | /* Write protection frame duration and rate. */ |
1725 | ds->ds_ctl13 |= SM(AR_TXC13_BURST_DUR, dur)(((uint32_t)(dur) << 0) & 0x00007fff); |
1726 | hwrate = athn_rates[protridx].hwrate; |
1727 | if (protridx == ATHN_RIDX_CCK21 && |
1728 | (ic->ic_flags & IEEE80211_F_SHPREAMBLE0x00040000)) |
1729 | hwrate |= 0x04; |
1730 | ds->ds_ctl18 |= SM(AR_TXC18_RTSCTS_RATE, hwrate)(((uint32_t)(hwrate) << 20) & 0x0ff00000); |
1731 | } |
1732 | |
1733 | ds->ds_ctl11 |= SM(AR_TXC11_FRAME_LEN, totlen)(((uint32_t)(totlen) << 0) & 0x00000fff); |
1734 | ds->ds_ctl19 = AR_TXC19_NOT_SOUNDING0x20000000; |
1735 | |
1736 | for (i = 0; i < bf->bf_map->dm_nsegs; i++) { |
1737 | ds->ds_segs[i].ds_data = bf->bf_map->dm_segs[i].ds_addr; |
1738 | ds->ds_segs[i].ds_ctl = SM(AR_TXC_BUF_LEN,(((uint32_t)(bf->bf_map->dm_segs[i].ds_len) << 16 ) & 0x0fff0000) |
1739 | bf->bf_map->dm_segs[i].ds_len)(((uint32_t)(bf->bf_map->dm_segs[i].ds_len) << 16 ) & 0x0fff0000); |
1740 | } |
1741 | /* Compute Tx descriptor checksum. */ |
1742 | sum = ds->ds_info + ds->ds_link; |
1743 | for (i = 0; i < 4; i++) { |
1744 | sum += ds->ds_segs[i].ds_data; |
1745 | sum += ds->ds_segs[i].ds_ctl; |
1746 | } |
1747 | sum = (sum >> 16) + (sum & 0xffff); |
1748 | ds->ds_ctl10 = SM(AR_TXC10_PTR_CHK_SUM, sum)(((uint32_t)(sum) << 0) & 0x0000ffff); |
1749 | |
1750 | bus_dmamap_sync(sc->sc_dmat, bf->bf_map, 0, bf->bf_map->dm_mapsize,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (bf->bf_map->dm_mapsize), (0x04)) |
1751 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (bf-> bf_map), (0), (bf->bf_map->dm_mapsize), (0x04)); |
1752 | |
1753 | DPRINTFN(6, ("Tx qid=%d nsegs=%d ctl11=0x%x ctl12=0x%x ctl14=0x%x\n", |
1754 | qid, bf->bf_map->dm_nsegs, ds->ds_ctl11, ds->ds_ctl12, |
1755 | ds->ds_ctl14)); |
1756 | |
1757 | SIMPLEQ_REMOVE_HEAD(&sc->txbufs, bf_list)do { if (((&sc->txbufs)->sqh_first = (&sc->txbufs )->sqh_first->bf_list.sqe_next) == ((void *)0)) (&sc ->txbufs)->sqh_last = &(&sc->txbufs)->sqh_first ; } while (0); |
1758 | SIMPLEQ_INSERT_TAIL(&txq->head, bf, bf_list)do { (bf)->bf_list.sqe_next = ((void *)0); *(&txq-> head)->sqh_last = (bf); (&txq->head)->sqh_last = &(bf)->bf_list.sqe_next; } while (0); |
1759 | |
1760 | /* Queue buffer unless hardware FIFO is already full. */ |
1761 | if (++txq->queued <= AR9003_TX_QDEPTH8) { |
1762 | AR_WRITE(sc, AR_QTXDP(qid), bf->bf_daddr)(sc)->ops.write((sc), ((0x0800 + (qid) * 4)), (bf->bf_daddr )); |
1763 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1764 | } else if (txq->wait == NULL((void *)0)) |
1765 | txq->wait = bf; |
1766 | return (0); |
1767 | } |
1768 | |
1769 | void |
1770 | ar9003_set_rf_mode(struct athn_softc *sc, struct ieee80211_channel *c) |
1771 | { |
1772 | uint32_t reg; |
1773 | |
1774 | reg = IEEE80211_IS_CHAN_2GHZ(c)(((c)->ic_flags & 0x0080) != 0) ? |
1775 | AR_PHY_MODE_DYNAMIC0x00000004 : AR_PHY_MODE_OFDM0x00000000; |
1776 | if (IEEE80211_IS_CHAN_5GHZ(c)(((c)->ic_flags & 0x0100) != 0) && |
1777 | (sc->flags & ATHN_FLAG_FAST_PLL_CLOCK(1 << 4))) { |
1778 | reg |= AR_PHY_MODE_DYNAMIC0x00000004 | AR_PHY_MODE_DYN_CCK_DISABLE0x00000100; |
1779 | } |
1780 | AR_WRITE(sc, AR_PHY_MODE, reg)(sc)->ops.write((sc), (0x0a208), (reg)); |
1781 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1782 | } |
1783 | |
1784 | static __inline uint32_t |
1785 | ar9003_synth_delay(struct athn_softc *sc) |
1786 | { |
1787 | uint32_t delay; |
1788 | |
1789 | delay = MS(AR_READ(sc, AR_PHY_RX_DELAY), AR_PHY_RX_DELAY_DELAY)(((uint32_t)((sc)->ops.read((sc), (0x0a254))) & 0x00003fff ) >> 0); |
1790 | if (sc->sc_ic.ic_curmode == IEEE80211_MODE_11B) |
1791 | delay = (delay * 4) / 22; |
1792 | else |
1793 | delay = delay / 10; /* in 100ns steps */ |
1794 | return (delay); |
1795 | } |
1796 | |
1797 | int |
1798 | ar9003_rf_bus_request(struct athn_softc *sc) |
1799 | { |
1800 | int ntries; |
1801 | |
1802 | /* Request RF Bus grant. */ |
1803 | AR_WRITE(sc, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN)(sc)->ops.write((sc), (0x0a23c), (0x00000001)); |
1804 | for (ntries = 0; ntries < 10000; ntries++) { |
1805 | if (AR_READ(sc, AR_PHY_RFBUS_GRANT)(sc)->ops.read((sc), (0x0a240)) & AR_PHY_RFBUS_GRANT_EN0x00000001) |
1806 | return (0); |
1807 | DELAY(10)(*delay_func)(10); |
1808 | } |
1809 | DPRINTF(("could not kill baseband Rx")); |
1810 | return (ETIMEDOUT60); |
1811 | } |
1812 | |
1813 | void |
1814 | ar9003_rf_bus_release(struct athn_softc *sc) |
1815 | { |
1816 | /* Wait for the synthesizer to settle. */ |
1817 | DELAY(AR_BASE_PHY_ACTIVE_DELAY + ar9003_synth_delay(sc))(*delay_func)(100 + ar9003_synth_delay(sc)); |
1818 | |
1819 | /* Release the RF Bus grant. */ |
1820 | AR_WRITE(sc, AR_PHY_RFBUS_REQ, 0)(sc)->ops.write((sc), (0x0a23c), (0)); |
1821 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1822 | } |
1823 | |
1824 | void |
1825 | ar9003_set_phy(struct athn_softc *sc, struct ieee80211_channel *c, |
1826 | struct ieee80211_channel *extc) |
1827 | { |
1828 | uint32_t phy; |
1829 | |
1830 | phy = AR_READ(sc, AR_PHY_GEN_CTRL)(sc)->ops.read((sc), (0x0a204)); |
1831 | phy |= AR_PHY_GC_HT_EN0x00000040 | AR_PHY_GC_SHORT_GI_400x00000080 | |
1832 | AR_PHY_GC_SINGLE_HT_LTF10x00000200 | AR_PHY_GC_WALSH0x00000100; |
1833 | if (extc != NULL((void *)0)) { |
1834 | phy |= AR_PHY_GC_DYN2040_EN0x00000004; |
1835 | if (extc > c) /* XXX */ |
1836 | phy |= AR_PHY_GC_DYN2040_PRI_CH0x00000010; |
1837 | } |
1838 | /* Turn off Green Field detection for now. */ |
1839 | phy &= ~AR_PHY_GC_GF_DETECT_EN0x00000400; |
1840 | AR_WRITE(sc, AR_PHY_GEN_CTRL, phy)(sc)->ops.write((sc), (0x0a204), (phy)); |
1841 | |
1842 | AR_WRITE(sc, AR_2040_MODE,(sc)->ops.write((sc), (0x8318), ((extc != ((void *)0)) ? 0x00000001 : 0)) |
1843 | (extc != NULL) ? AR_2040_JOINED_RX_CLEAR : 0)(sc)->ops.write((sc), (0x8318), ((extc != ((void *)0)) ? 0x00000001 : 0)); |
1844 | |
1845 | /* Set global transmit timeout. */ |
1846 | AR_WRITE(sc, AR_GTXTO, SM(AR_GTXTO_TIMEOUT_LIMIT, 25))(sc)->ops.write((sc), (0x0064), ((((uint32_t)(25) << 16) & 0xffff0000))); |
1847 | /* Set carrier sense timeout. */ |
1848 | AR_WRITE(sc, AR_CST, SM(AR_CST_TIMEOUT_LIMIT, 15))(sc)->ops.write((sc), (0x006c), ((((uint32_t)(15) << 16) & 0xffff0000))); |
1849 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1850 | } |
1851 | |
1852 | void |
1853 | ar9003_set_delta_slope(struct athn_softc *sc, struct ieee80211_channel *c, |
1854 | struct ieee80211_channel *extc) |
1855 | { |
1856 | uint32_t coeff, exp, man, reg; |
1857 | |
1858 | /* Set Delta Slope (exponent and mantissa). */ |
1859 | coeff = (100 << 24) / c->ic_freq; |
1860 | athn_get_delta_slope(coeff, &exp, &man); |
1861 | DPRINTFN(5, ("delta slope coeff exp=%u man=%u\n", exp, man)); |
1862 | |
1863 | reg = AR_READ(sc, AR_PHY_TIMING3)(sc)->ops.read((sc), (0x09808)); |
1864 | reg = RW(reg, AR_PHY_TIMING3_DSC_EXP, exp)(((reg) & ~0x0001e000) | (((uint32_t)(exp) << 13) & 0x0001e000)); |
1865 | reg = RW(reg, AR_PHY_TIMING3_DSC_MAN, man)(((reg) & ~0xfffe0000) | (((uint32_t)(man) << 17) & 0xfffe0000)); |
1866 | AR_WRITE(sc, AR_PHY_TIMING3, reg)(sc)->ops.write((sc), (0x09808), (reg)); |
1867 | |
1868 | /* For Short GI, coeff is 9/10 that of normal coeff. */ |
1869 | coeff = (9 * coeff) / 10; |
1870 | athn_get_delta_slope(coeff, &exp, &man); |
1871 | DPRINTFN(5, ("delta slope coeff exp=%u man=%u\n", exp, man)); |
1872 | |
1873 | reg = AR_READ(sc, AR_PHY_SGI_DELTA)(sc)->ops.read((sc), (0x09c14)); |
1874 | reg = RW(reg, AR_PHY_SGI_DSC_EXP, exp)(((reg) & ~0x0000000f) | (((uint32_t)(exp) << 0) & 0x0000000f)); |
1875 | reg = RW(reg, AR_PHY_SGI_DSC_MAN, man)(((reg) & ~0x0007fff0) | (((uint32_t)(man) << 4) & 0x0007fff0)); |
1876 | AR_WRITE(sc, AR_PHY_SGI_DELTA, reg)(sc)->ops.write((sc), (0x09c14), (reg)); |
1877 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1878 | } |
1879 | |
1880 | void |
1881 | ar9003_enable_antenna_diversity(struct athn_softc *sc) |
1882 | { |
1883 | AR_SETBITS(sc, AR_PHY_CCK_DETECT,(sc)->ops.write((sc), (0x09fc0), ((sc)->ops.read((sc), ( 0x09fc0)) | (0x00002000))) |
1884 | AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV)(sc)->ops.write((sc), (0x09fc0), ((sc)->ops.read((sc), ( 0x09fc0)) | (0x00002000))); |
1885 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1886 | } |
1887 | |
1888 | void |
1889 | ar9003_init_baseband(struct athn_softc *sc) |
1890 | { |
1891 | uint32_t synth_delay; |
1892 | |
1893 | synth_delay = ar9003_synth_delay(sc); |
1894 | /* Activate the PHY (includes baseband activate and synthesizer on). */ |
1895 | AR_WRITE(sc, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN)(sc)->ops.write((sc), (0x0a20c), (0x00000001)); |
1896 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1897 | DELAY(AR_BASE_PHY_ACTIVE_DELAY + synth_delay)(*delay_func)(100 + synth_delay); |
1898 | } |
1899 | |
1900 | void |
1901 | ar9003_disable_phy(struct athn_softc *sc) |
1902 | { |
1903 | AR_WRITE(sc, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS)(sc)->ops.write((sc), (0x0a20c), (0x00000000)); |
1904 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1905 | } |
1906 | |
1907 | void |
1908 | ar9003_init_chains(struct athn_softc *sc) |
1909 | { |
1910 | if (sc->rxchainmask == 0x5 || sc->txchainmask == 0x5) |
1911 | AR_SETBITS(sc, AR_PHY_ANALOG_SWAP, AR_PHY_SWAP_ALT_CHAIN)(sc)->ops.write((sc), (0x0a34c), ((sc)->ops.read((sc), ( 0x0a34c)) | (0x00000040))); |
1912 | |
1913 | /* Setup chain masks. */ |
1914 | AR_WRITE(sc, AR_PHY_RX_CHAINMASK, sc->rxchainmask)(sc)->ops.write((sc), (0x0a2a0), (sc->rxchainmask)); |
1915 | AR_WRITE(sc, AR_PHY_CAL_CHAINMASK, sc->rxchainmask)(sc)->ops.write((sc), (0x0a2c0), (sc->rxchainmask)); |
1916 | |
1917 | if (sc->flags & ATHN_FLAG_3TREDUCE_CHAIN(1 << 14)) { |
1918 | /* |
1919 | * All self-generated frames are sent using two Tx chains |
1920 | * on these chips to not exceed PCIe power requirements. |
1921 | */ |
1922 | AR_WRITE(sc, AR_SELFGEN_MASK, 0x3)(sc)->ops.write((sc), (0x832c), (0x3)); |
1923 | } else |
1924 | AR_WRITE(sc, AR_SELFGEN_MASK, sc->txchainmask)(sc)->ops.write((sc), (0x832c), (sc->txchainmask)); |
1925 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1926 | } |
1927 | |
1928 | void |
1929 | ar9003_set_rxchains(struct athn_softc *sc) |
1930 | { |
1931 | if (sc->rxchainmask == 0x3 || sc->rxchainmask == 0x5) { |
1932 | AR_WRITE(sc, AR_PHY_RX_CHAINMASK, sc->rxchainmask)(sc)->ops.write((sc), (0x0a2a0), (sc->rxchainmask)); |
1933 | AR_WRITE(sc, AR_PHY_CAL_CHAINMASK, sc->rxchainmask)(sc)->ops.write((sc), (0x0a2c0), (sc->rxchainmask)); |
1934 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1935 | } |
1936 | } |
1937 | |
1938 | void |
1939 | ar9003_read_noisefloor(struct athn_softc *sc, int16_t *nf, int16_t *nf_ext) |
1940 | { |
1941 | /* Sign-extends 9-bit value (assumes upper bits are zeroes). */ |
1942 | #define SIGN_EXT(v) (((v) ^ 0x100) - 0x100) |
1943 | uint32_t reg; |
1944 | int i; |
1945 | |
1946 | for (i = 0; i < sc->nrxchains; i++) { |
1947 | reg = AR_READ(sc, AR_PHY_CCA(i))(sc)->ops.read((sc), ((0x09e1c + (i) * 0x1000))); |
1948 | nf[i] = MS(reg, AR_PHY_MINCCA_PWR)(((uint32_t)(reg) & 0x1ff00000) >> 20); |
1949 | nf[i] = SIGN_EXT(nf[i]); |
1950 | |
1951 | reg = AR_READ(sc, AR_PHY_EXT_CCA(i))(sc)->ops.read((sc), ((0x09830 + (i) * 0x1000))); |
1952 | nf_ext[i] = MS(reg, AR_PHY_EXT_MINCCA_PWR)(((uint32_t)(reg) & 0x01ff0000) >> 16); |
1953 | nf_ext[i] = SIGN_EXT(nf_ext[i]); |
1954 | } |
1955 | #undef SIGN_EXT |
1956 | } |
1957 | |
1958 | void |
1959 | ar9003_write_noisefloor(struct athn_softc *sc, int16_t *nf, int16_t *nf_ext) |
1960 | { |
1961 | uint32_t reg; |
1962 | int i; |
1963 | |
1964 | for (i = 0; i < sc->nrxchains; i++) { |
1965 | reg = AR_READ(sc, AR_PHY_CCA(i))(sc)->ops.read((sc), ((0x09e1c + (i) * 0x1000))); |
1966 | reg = RW(reg, AR_PHY_MAXCCA_PWR, nf[i])(((reg) & ~0x000001ff) | (((uint32_t)(nf[i]) << 0) & 0x000001ff)); |
1967 | AR_WRITE(sc, AR_PHY_CCA(i), reg)(sc)->ops.write((sc), ((0x09e1c + (i) * 0x1000)), (reg)); |
1968 | |
1969 | reg = AR_READ(sc, AR_PHY_EXT_CCA(i))(sc)->ops.read((sc), ((0x09830 + (i) * 0x1000))); |
1970 | reg = RW(reg, AR_PHY_EXT_MAXCCA_PWR, nf_ext[i])(((reg) & ~0x000001ff) | (((uint32_t)(nf_ext[i]) << 0) & 0x000001ff)); |
1971 | AR_WRITE(sc, AR_PHY_EXT_CCA(i), reg)(sc)->ops.write((sc), ((0x09830 + (i) * 0x1000)), (reg)); |
1972 | } |
1973 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
1974 | } |
1975 | |
1976 | int |
1977 | ar9003_get_noisefloor(struct athn_softc *sc) |
1978 | { |
1979 | int16_t nf[AR_MAX_CHAINS3], nf_ext[AR_MAX_CHAINS3]; |
1980 | int i; |
1981 | |
1982 | if (AR_READ(sc, AR_PHY_AGC_CONTROL)(sc)->ops.read((sc), (0x0a2c4)) & AR_PHY_AGC_CONTROL_NF0x00000002) { |
1983 | /* Noisefloor calibration not finished. */ |
1984 | return 0; |
1985 | } |
1986 | /* Noisefloor calibration is finished. */ |
1987 | ar9003_read_noisefloor(sc, nf, nf_ext); |
1988 | |
1989 | /* Update noisefloor history. */ |
1990 | for (i = 0; i < sc->nrxchains; i++) { |
1991 | sc->nf_hist[sc->nf_hist_cur].nf[i] = nf[i]; |
1992 | sc->nf_hist[sc->nf_hist_cur].nf_ext[i] = nf_ext[i]; |
1993 | } |
1994 | if (++sc->nf_hist_cur >= ATHN_NF_CAL_HIST_MAX5) |
1995 | sc->nf_hist_cur = 0; |
1996 | return 1; |
1997 | } |
1998 | |
1999 | void |
2000 | ar9003_bb_load_noisefloor(struct athn_softc *sc) |
2001 | { |
2002 | int16_t nf[AR_MAX_CHAINS3], nf_ext[AR_MAX_CHAINS3]; |
2003 | int i, ntries; |
2004 | |
2005 | /* Write filtered noisefloor values. */ |
2006 | for (i = 0; i < sc->nrxchains; i++) { |
2007 | nf[i] = sc->nf_priv[i] * 2; |
2008 | nf_ext[i] = sc->nf_ext_priv[i] * 2; |
2009 | } |
2010 | ar9003_write_noisefloor(sc, nf, nf_ext); |
2011 | |
2012 | /* Load filtered noisefloor values into baseband. */ |
2013 | AR_CLRBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_ENABLE_NF)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) & ~(0x00008000))); |
2014 | AR_CLRBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NO_UPDATE_NF)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) & ~(0x00020000))); |
2015 | AR_SETBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) | (0x00000002))); |
2016 | /* Wait for load to complete. */ |
2017 | for (ntries = 0; ntries < 1000; ntries++) { |
2018 | if (!(AR_READ(sc, AR_PHY_AGC_CONTROL)(sc)->ops.read((sc), (0x0a2c4)) & AR_PHY_AGC_CONTROL_NF0x00000002)) |
2019 | break; |
2020 | DELAY(10)(*delay_func)(10); |
2021 | } |
2022 | if (ntries == 1000) { |
2023 | DPRINTF(("failed to load noisefloor values\n")); |
2024 | return; |
2025 | } |
2026 | |
2027 | /* Restore noisefloor values to initial (max) values. */ |
2028 | for (i = 0; i < AR_MAX_CHAINS3; i++) |
2029 | nf[i] = nf_ext[i] = -50 * 2; |
2030 | ar9003_write_noisefloor(sc, nf, nf_ext); |
2031 | } |
2032 | |
2033 | void |
2034 | ar9003_apply_noisefloor(struct athn_softc *sc) |
2035 | { |
2036 | uint32_t agc_nfcal; |
2037 | |
2038 | agc_nfcal = AR_READ(sc, AR_PHY_AGC_CONTROL)(sc)->ops.read((sc), (0x0a2c4)) & |
2039 | (AR_PHY_AGC_CONTROL_NF0x00000002 | AR_PHY_AGC_CONTROL_ENABLE_NF0x00008000 | |
2040 | AR_PHY_AGC_CONTROL_NO_UPDATE_NF0x00020000); |
2041 | |
2042 | if (agc_nfcal & AR_PHY_AGC_CONTROL_NF0x00000002) { |
2043 | /* Pause running NF calibration while values are updated. */ |
2044 | AR_CLRBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) & ~(0x00000002))); |
2045 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2046 | } |
2047 | |
2048 | ar9003_bb_load_noisefloor(sc); |
2049 | |
2050 | if (agc_nfcal & AR_PHY_AGC_CONTROL_NF0x00000002) { |
2051 | /* Restart interrupted NF calibration. */ |
2052 | AR_SETBITS(sc, AR_PHY_AGC_CONTROL, agc_nfcal)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) | (agc_nfcal))); |
2053 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2054 | } |
2055 | } |
2056 | |
2057 | void |
2058 | ar9003_do_noisefloor_calib(struct athn_softc *sc) |
2059 | { |
2060 | AR_SETBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_ENABLE_NF)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) | (0x00008000))); |
2061 | AR_SETBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NO_UPDATE_NF)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) | (0x00020000))); |
2062 | AR_SETBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) | (0x00000002))); |
2063 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2064 | } |
2065 | |
2066 | void |
2067 | ar9003_init_noisefloor_calib(struct athn_softc *sc) |
2068 | { |
2069 | AR_SETBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) | (0x00000002))); |
2070 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2071 | } |
2072 | |
2073 | int |
2074 | ar9003_init_calib(struct athn_softc *sc) |
2075 | { |
2076 | uint8_t txchainmask, rxchainmask; |
2077 | uint32_t reg; |
2078 | int ntries; |
2079 | |
2080 | /* Save chains masks. */ |
2081 | txchainmask = sc->txchainmask; |
2082 | rxchainmask = sc->rxchainmask; |
2083 | /* Configure hardware before calibration. */ |
2084 | if (AR_READ(sc, AR_ENT_OTP)(sc)->ops.read((sc), (0x40d8)) & AR_ENT_OTP_CHAIN2_DISABLE0x00020000) |
2085 | txchainmask = rxchainmask = 0x3; |
2086 | else |
2087 | txchainmask = rxchainmask = 0x7; |
2088 | ar9003_init_chains(sc); |
2089 | |
2090 | /* Perform Tx IQ calibration. */ |
2091 | ar9003_calib_tx_iq(sc); |
2092 | /* Disable and re-enable the PHY chips. */ |
2093 | AR_WRITE(sc, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS)(sc)->ops.write((sc), (0x0a20c), (0x00000000)); |
2094 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2095 | DELAY(5)(*delay_func)(5); |
2096 | AR_WRITE(sc, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN)(sc)->ops.write((sc), (0x0a20c), (0x00000001)); |
2097 | |
2098 | /* Calibrate the AGC. */ |
2099 | AR_SETBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL)(sc)->ops.write((sc), (0x0a2c4), ((sc)->ops.read((sc), ( 0x0a2c4)) | (0x00000001))); |
2100 | /* Poll for offset calibration completion. */ |
2101 | for (ntries = 0; ntries < 10000; ntries++) { |
2102 | reg = AR_READ(sc, AR_PHY_AGC_CONTROL)(sc)->ops.read((sc), (0x0a2c4)); |
2103 | if (!(reg & AR_PHY_AGC_CONTROL_CAL0x00000001)) |
2104 | break; |
2105 | DELAY(10)(*delay_func)(10); |
2106 | } |
2107 | if (ntries == 10000) |
2108 | return (ETIMEDOUT60); |
2109 | |
2110 | /* Restore chains masks. */ |
2111 | sc->txchainmask = txchainmask; |
2112 | sc->rxchainmask = rxchainmask; |
2113 | ar9003_init_chains(sc); |
2114 | |
2115 | return (0); |
2116 | } |
2117 | |
2118 | void |
2119 | ar9003_do_calib(struct athn_softc *sc) |
2120 | { |
2121 | uint32_t reg; |
2122 | |
2123 | if (sc->cur_calib_mask & ATHN_CAL_IQ(1 << 0)) { |
2124 | reg = AR_READ(sc, AR_PHY_TIMING4)(sc)->ops.read((sc), (0x0980c)); |
2125 | reg = RW(reg, AR_PHY_TIMING4_IQCAL_LOG_COUNT_MAX, 10)(((reg) & ~0x0000f000) | (((uint32_t)(10) << 12) & 0x0000f000)); |
2126 | AR_WRITE(sc, AR_PHY_TIMING4, reg)(sc)->ops.write((sc), (0x0980c), (reg)); |
2127 | AR_WRITE(sc, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ)(sc)->ops.write((sc), (0x0a2c8), (0x00000000)); |
2128 | AR_SETBITS(sc, AR_PHY_TIMING4, AR_PHY_TIMING4_DO_CAL)(sc)->ops.write((sc), (0x0980c), ((sc)->ops.read((sc), ( 0x0980c)) | (0x00010000))); |
2129 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2130 | } else if (sc->cur_calib_mask & ATHN_CAL_TEMP(1 << 3)) { |
2131 | AR_SETBITS(sc, AR_PHY_65NM_CH0_THERM,(sc)->ops.write((sc), (0x16290), ((sc)->ops.read((sc), ( 0x16290)) | (0x80000000))) |
2132 | AR_PHY_65NM_CH0_THERM_LOCAL)(sc)->ops.write((sc), (0x16290), ((sc)->ops.read((sc), ( 0x16290)) | (0x80000000))); |
2133 | AR_SETBITS(sc, AR_PHY_65NM_CH0_THERM,(sc)->ops.write((sc), (0x16290), ((sc)->ops.read((sc), ( 0x16290)) | (0x20000000))) |
2134 | AR_PHY_65NM_CH0_THERM_START)(sc)->ops.write((sc), (0x16290), ((sc)->ops.read((sc), ( 0x16290)) | (0x20000000))); |
2135 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2136 | } |
2137 | } |
2138 | |
2139 | void |
2140 | ar9003_next_calib(struct athn_softc *sc) |
2141 | { |
2142 | /* Check if we have any calibration in progress. */ |
2143 | if (sc->cur_calib_mask != 0) { |
2144 | if (!(AR_READ(sc, AR_PHY_TIMING4)(sc)->ops.read((sc), (0x0980c)) & AR_PHY_TIMING4_DO_CAL0x00010000)) { |
2145 | /* Calibration completed for current sample. */ |
2146 | ar9003_calib_iq(sc); |
2147 | } |
2148 | } |
2149 | } |
2150 | |
2151 | void |
2152 | ar9003_calib_iq(struct athn_softc *sc) |
2153 | { |
2154 | struct athn_iq_cal *cal; |
2155 | uint32_t reg, i_coff_denom, q_coff_denom; |
2156 | int32_t i_coff, q_coff; |
2157 | int i, iq_corr_neg; |
2158 | |
2159 | for (i = 0; i < AR_MAX_CHAINS3; i++) { |
2160 | cal = &sc->calib.iq[i]; |
2161 | |
2162 | /* Read IQ calibration measures (clear on read). */ |
2163 | cal->pwr_meas_i = AR_READ(sc, AR_PHY_IQ_ADC_MEAS_0_B(i))(sc)->ops.read((sc), ((0x098c0 + (i) * 0x1000))); |
2164 | cal->pwr_meas_q = AR_READ(sc, AR_PHY_IQ_ADC_MEAS_1_B(i))(sc)->ops.read((sc), ((0x098c4 + (i) * 0x1000))); |
2165 | cal->iq_corr_meas = |
2166 | (int32_t)AR_READ(sc, AR_PHY_IQ_ADC_MEAS_2_B(i))(sc)->ops.read((sc), ((0x098c8 + (i) * 0x1000))); |
2167 | } |
2168 | |
2169 | for (i = 0; i < sc->nrxchains; i++) { |
2170 | cal = &sc->calib.iq[i]; |
2171 | |
2172 | if (cal->pwr_meas_q == 0) |
2173 | continue; |
2174 | |
2175 | if ((iq_corr_neg = cal->iq_corr_meas < 0)) |
2176 | cal->iq_corr_meas = -cal->iq_corr_meas; |
2177 | |
2178 | i_coff_denom = |
2179 | (cal->pwr_meas_i / 2 + cal->pwr_meas_q / 2) / 256; |
2180 | q_coff_denom = cal->pwr_meas_q / 64; |
2181 | |
2182 | if (i_coff_denom == 0 || q_coff_denom == 0) |
2183 | continue; /* Prevents division by zero. */ |
2184 | |
2185 | i_coff = cal->iq_corr_meas / i_coff_denom; |
2186 | q_coff = (cal->pwr_meas_i / q_coff_denom) - 64; |
2187 | |
2188 | if (i_coff > 63) |
2189 | i_coff = 63; |
2190 | else if (i_coff < -63) |
2191 | i_coff = -63; |
2192 | /* Negate i_coff if iq_corr_meas is positive. */ |
2193 | if (!iq_corr_neg) |
2194 | i_coff = -i_coff; |
2195 | if (q_coff > 63) |
2196 | q_coff = 63; |
2197 | else if (q_coff < -63) |
2198 | q_coff = -63; |
2199 | |
2200 | DPRINTFN(2, ("IQ calibration for chain %d\n", i)); |
2201 | reg = AR_READ(sc, AR_PHY_RX_IQCAL_CORR_B(i))(sc)->ops.read((sc), ((0x098dc + (i) * 0x1000))); |
2202 | reg = RW(reg, AR_PHY_RX_IQCAL_CORR_IQCORR_Q_I_COFF, i_coff)(((reg) & ~0x00003f80) | (((uint32_t)(i_coff) << 7) & 0x00003f80)); |
2203 | reg = RW(reg, AR_PHY_RX_IQCAL_CORR_IQCORR_Q_Q_COFF, q_coff)(((reg) & ~0x0000007f) | (((uint32_t)(q_coff) << 0) & 0x0000007f)); |
2204 | AR_WRITE(sc, AR_PHY_RX_IQCAL_CORR_B(i), reg)(sc)->ops.write((sc), ((0x098dc + (i) * 0x1000)), (reg)); |
2205 | } |
2206 | |
2207 | /* Apply new settings. */ |
2208 | AR_SETBITS(sc, AR_PHY_RX_IQCAL_CORR_B(0),(sc)->ops.write((sc), ((0x098dc + (0) * 0x1000)), ((sc)-> ops.read((sc), ((0x098dc + (0) * 0x1000))) | (0x00004000))) |
2209 | AR_PHY_RX_IQCAL_CORR_IQCORR_ENABLE)(sc)->ops.write((sc), ((0x098dc + (0) * 0x1000)), ((sc)-> ops.read((sc), ((0x098dc + (0) * 0x1000))) | (0x00004000))); |
2210 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2211 | |
2212 | /* IQ calibration done. */ |
2213 | sc->cur_calib_mask &= ~ATHN_CAL_IQ(1 << 0); |
2214 | memset(&sc->calib, 0, sizeof(sc->calib))__builtin_memset((&sc->calib), (0), (sizeof(sc->calib ))); |
2215 | } |
2216 | |
2217 | #define DELPT 32 |
2218 | int |
2219 | ar9003_get_iq_corr(struct athn_softc *sc, int32_t res[6], int32_t coeff[2]) |
2220 | { |
2221 | /* Sign-extends 12-bit value (assumes upper bits are zeroes). */ |
2222 | #define SIGN_EXT(v) (((v) ^ 0x800) - 0x800) |
2223 | #define SCALE (1 << 15) |
2224 | #define SHIFT (1 << 8) |
2225 | struct { |
2226 | int32_t m, p, c; |
2227 | } val[2][2]; |
2228 | int32_t mag[2][2], phs[2][2], cos[2], sin[2]; |
2229 | int32_t min, max, div, f1, f2, f3, m, p, c; |
2230 | int32_t txmag, txphs, rxmag, rxphs; |
2231 | int32_t q_coff, i_coff; |
2232 | int i, j; |
2233 | |
2234 | /* Extract our twelve signed 12-bit values from res[] array. */ |
2235 | val[0][0].m = res[0] & 0xfff; |
2236 | val[0][0].p = (res[0] >> 12) & 0xfff; |
2237 | val[0][0].c = ((res[0] >> 24) & 0xff) | (res[1] & 0xf) << 8; |
2238 | |
2239 | val[0][1].m = (res[1] >> 4) & 0xfff; |
2240 | val[0][1].p = res[2] & 0xfff; |
2241 | val[0][1].c = (res[2] >> 12) & 0xfff; |
2242 | |
2243 | val[1][0].m = ((res[2] >> 24) & 0xff) | (res[3] & 0xf) << 8; |
2244 | val[1][0].p = (res[3] >> 4) & 0xfff; |
2245 | val[1][0].c = res[4] & 0xfff; |
2246 | |
2247 | val[1][1].m = (res[4] >> 12) & 0xfff; |
2248 | val[1][1].p = ((res[4] >> 24) & 0xff) | (res[5] & 0xf) << 8; |
2249 | val[1][1].c = (res[5] >> 4) & 0xfff; |
2250 | |
2251 | for (i = 0; i < 2; i++) { |
2252 | for (j = 0; j < 2; j++) { |
2253 | m = SIGN_EXT(val[i][j].m); |
2254 | p = SIGN_EXT(val[i][j].p); |
2255 | c = SIGN_EXT(val[i][j].c); |
2256 | |
2257 | if (p == 0) |
2258 | return (1); /* Prevent division by 0. */ |
2259 | |
2260 | mag[i][j] = (m * SCALE) / p; |
2261 | phs[i][j] = (c * SCALE) / p; |
2262 | } |
2263 | sin[i] = ((mag[i][0] - mag[i][1]) * SHIFT) / DELPT; |
2264 | cos[i] = ((phs[i][0] - phs[i][1]) * SHIFT) / DELPT; |
2265 | /* Find magnitude by approximation. */ |
2266 | min = MIN(abs(sin[i]), abs(cos[i]))(((abs(sin[i]))<(abs(cos[i])))?(abs(sin[i])):(abs(cos[i])) ); |
2267 | max = MAX(abs(sin[i]), abs(cos[i]))(((abs(sin[i]))>(abs(cos[i])))?(abs(sin[i])):(abs(cos[i])) ); |
2268 | div = max - (max / 32) + (min / 8) + (min / 4); |
2269 | if (div == 0) |
2270 | return (1); /* Prevent division by 0. */ |
2271 | /* Normalize sin and cos by magnitude. */ |
2272 | sin[i] = (sin[i] * SCALE) / div; |
2273 | cos[i] = (cos[i] * SCALE) / div; |
2274 | } |
2275 | |
2276 | /* Compute IQ mismatch (solve 4x4 linear equation). */ |
2277 | f1 = cos[0] - cos[1]; |
2278 | f3 = sin[0] - sin[1]; |
2279 | f2 = (f1 * f1 + f3 * f3) / SCALE; |
2280 | if (f2 == 0) |
2281 | return (1); /* Prevent division by 0. */ |
2282 | |
2283 | /* Compute Tx magnitude mismatch. */ |
2284 | txmag = (f1 * ( mag[0][0] - mag[1][0]) + |
2285 | f3 * ( phs[0][0] - phs[1][0])) / f2; |
2286 | /* Compute Tx phase mismatch. */ |
2287 | txphs = (f3 * (-mag[0][0] + mag[1][0]) + |
2288 | f1 * ( phs[0][0] - phs[1][0])) / f2; |
2289 | |
2290 | if (txmag == SCALE) |
2291 | return (1); /* Prevent division by 0. */ |
2292 | |
2293 | /* Compute Rx magnitude mismatch. */ |
2294 | rxmag = mag[0][0] - (cos[0] * txmag + sin[0] * txphs) / SCALE; |
2295 | /* Compute Rx phase mismatch. */ |
2296 | rxphs = phs[0][0] + (sin[0] * txmag - cos[0] * txphs) / SCALE; |
2297 | |
2298 | if (-rxmag == SCALE) |
2299 | return (1); /* Prevent division by 0. */ |
2300 | |
2301 | txmag = (txmag * SCALE) / (SCALE - txmag); |
2302 | txphs = -txphs; |
2303 | |
2304 | q_coff = (txmag * 128) / SCALE; |
2305 | if (q_coff < -63) |
2306 | q_coff = -63; |
2307 | else if (q_coff > 63) |
2308 | q_coff = 63; |
2309 | i_coff = (txphs * 256) / SCALE; |
2310 | if (i_coff < -63) |
2311 | i_coff = -63; |
2312 | else if (i_coff > 63) |
2313 | i_coff = 63; |
2314 | coeff[0] = q_coff * 128 + i_coff; |
2315 | |
2316 | rxmag = (-rxmag * SCALE) / (SCALE + rxmag); |
2317 | rxphs = -rxphs; |
2318 | |
2319 | q_coff = (rxmag * 128) / SCALE; |
2320 | if (q_coff < -63) |
2321 | q_coff = -63; |
2322 | else if (q_coff > 63) |
2323 | q_coff = 63; |
2324 | i_coff = (rxphs * 256) / SCALE; |
2325 | if (i_coff < -63) |
2326 | i_coff = -63; |
2327 | else if (i_coff > 63) |
2328 | i_coff = 63; |
2329 | coeff[1] = q_coff * 128 + i_coff; |
2330 | |
2331 | return (0); |
2332 | #undef SHIFT |
2333 | #undef SCALE |
2334 | #undef SIGN_EXT |
2335 | } |
2336 | |
2337 | int |
2338 | ar9003_calib_tx_iq(struct athn_softc *sc) |
2339 | { |
2340 | uint32_t reg; |
2341 | int32_t res[6], coeff[2]; |
2342 | int i, j, ntries; |
2343 | |
2344 | reg = AR_READ(sc, AR_PHY_TX_IQCAL_CONTROL_1)(sc)->ops.read((sc), (0x0a648)); |
2345 | reg = RW(reg, AR_PHY_TX_IQCAQL_CONTROL_1_IQCORR_I_Q_COFF_DELPT, DELPT)(((reg) & ~0x01fc0000) | (((uint32_t)(DELPT) << 18) & 0x01fc0000)); |
2346 | AR_WRITE(sc, AR_PHY_TX_IQCAL_CONTROL_1, reg)(sc)->ops.write((sc), (0x0a648), (reg)); |
2347 | |
2348 | /* Start Tx IQ calibration. */ |
2349 | AR_SETBITS(sc, AR_PHY_TX_IQCAL_START, AR_PHY_TX_IQCAL_START_DO_CAL)(sc)->ops.write((sc), (0x0a640), ((sc)->ops.read((sc), ( 0x0a640)) | (0x00000001))); |
2350 | /* Wait for completion. */ |
2351 | for (ntries = 0; ntries < 10000; ntries++) { |
2352 | reg = AR_READ(sc, AR_PHY_TX_IQCAL_START)(sc)->ops.read((sc), (0x0a640)); |
2353 | if (!(reg & AR_PHY_TX_IQCAL_START_DO_CAL0x00000001)) |
2354 | break; |
2355 | DELAY(10)(*delay_func)(10); |
2356 | } |
2357 | if (ntries == 10000) |
2358 | return (ETIMEDOUT60); |
2359 | |
2360 | for (i = 0; i < sc->ntxchains; i++) { |
2361 | /* Read Tx IQ calibration status for this chain. */ |
2362 | reg = AR_READ(sc, AR_PHY_TX_IQCAL_STATUS_B(i))(sc)->ops.read((sc), ((0x0a68c + (i) * 0x1000))); |
2363 | if (reg & AR_PHY_TX_IQCAL_STATUS_FAILED0x00000001) |
2364 | return (EIO5); |
2365 | /* |
2366 | * Read Tx IQ calibration results for this chain. |
2367 | * This consists in twelve signed 12-bit values. |
2368 | */ |
2369 | for (j = 0; j < 3; j++) { |
2370 | AR_CLRBITS(sc, AR_PHY_CHAN_INFO_MEMORY,(sc)->ops.write((sc), (0x0a370), ((sc)->ops.read((sc), ( 0x0a370)) & ~(0x00000008))) |
2371 | AR_PHY_CHAN_INFO_TAB_S2_READ)(sc)->ops.write((sc), (0x0a370), ((sc)->ops.read((sc), ( 0x0a370)) & ~(0x00000008))); |
2372 | reg = AR_READ(sc, AR_PHY_CHAN_INFO_TAB(i, j))(sc)->ops.read((sc), ((0x09b00 + (i) * 0x1000 + (j) * 4))); |
2373 | res[j * 2 + 0] = reg; |
2374 | |
2375 | AR_SETBITS(sc, AR_PHY_CHAN_INFO_MEMORY,(sc)->ops.write((sc), (0x0a370), ((sc)->ops.read((sc), ( 0x0a370)) | (0x00000008))) |
2376 | AR_PHY_CHAN_INFO_TAB_S2_READ)(sc)->ops.write((sc), (0x0a370), ((sc)->ops.read((sc), ( 0x0a370)) | (0x00000008))); |
2377 | reg = AR_READ(sc, AR_PHY_CHAN_INFO_TAB(i, j))(sc)->ops.read((sc), ((0x09b00 + (i) * 0x1000 + (j) * 4))); |
2378 | res[j * 2 + 1] = reg & 0xffff; |
2379 | } |
2380 | |
2381 | /* Compute Tx IQ correction. */ |
2382 | if (ar9003_get_iq_corr(sc, res, coeff) != 0) |
2383 | return (EIO5); |
2384 | |
2385 | /* Write Tx IQ correction coefficients. */ |
2386 | reg = AR_READ(sc, AR_PHY_TX_IQCAL_CORR_COEFF_01_B(i))(sc)->ops.read((sc), ((0x0a650 + (i) * 0x1000))); |
2387 | reg = RW(reg, AR_PHY_TX_IQCAL_CORR_COEFF_01_COEFF_TABLE,(((reg) & ~0x00003fff) | (((uint32_t)(coeff[0]) << 0 ) & 0x00003fff)) |
2388 | coeff[0])(((reg) & ~0x00003fff) | (((uint32_t)(coeff[0]) << 0 ) & 0x00003fff)); |
2389 | AR_WRITE(sc, AR_PHY_TX_IQCAL_CORR_COEFF_01_B(i), reg)(sc)->ops.write((sc), ((0x0a650 + (i) * 0x1000)), (reg)); |
2390 | |
2391 | reg = AR_READ(sc, AR_PHY_RX_IQCAL_CORR_B(i))(sc)->ops.read((sc), ((0x098dc + (i) * 0x1000))); |
2392 | reg = RW(reg, AR_PHY_RX_IQCAL_CORR_LOOPBACK_IQCORR_Q_Q_COFF,(((reg) & ~0x003f8000) | (((uint32_t)(coeff[1] >> 7 ) << 15) & 0x003f8000)) |
2393 | coeff[1] >> 7)(((reg) & ~0x003f8000) | (((uint32_t)(coeff[1] >> 7 ) << 15) & 0x003f8000)); |
2394 | reg = RW(reg, AR_PHY_RX_IQCAL_CORR_LOOPBACK_IQCORR_Q_I_COFF,(((reg) & ~0x1fc00000) | (((uint32_t)(coeff[1]) << 22 ) & 0x1fc00000)) |
2395 | coeff[1])(((reg) & ~0x1fc00000) | (((uint32_t)(coeff[1]) << 22 ) & 0x1fc00000)); |
2396 | AR_WRITE(sc, AR_PHY_RX_IQCAL_CORR_B(i), reg)(sc)->ops.write((sc), ((0x098dc + (i) * 0x1000)), (reg)); |
2397 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2398 | } |
2399 | |
2400 | /* Enable Tx IQ correction. */ |
2401 | AR_SETBITS(sc, AR_PHY_TX_IQCAL_CONTROL_3,(sc)->ops.write((sc), (0x098b0), ((sc)->ops.read((sc), ( 0x098b0)) | (0x80000000))) |
2402 | AR_PHY_TX_IQCAL_CONTROL_3_IQCORR_EN)(sc)->ops.write((sc), (0x098b0), ((sc)->ops.read((sc), ( 0x098b0)) | (0x80000000))); |
2403 | AR_SETBITS(sc, AR_PHY_RX_IQCAL_CORR_B(0),(sc)->ops.write((sc), ((0x098dc + (0) * 0x1000)), ((sc)-> ops.read((sc), ((0x098dc + (0) * 0x1000))) | (0x20000000))) |
2404 | AR_PHY_RX_IQCAL_CORR_B0_LOOPBACK_IQCORR_EN)(sc)->ops.write((sc), ((0x098dc + (0) * 0x1000)), ((sc)-> ops.read((sc), ((0x098dc + (0) * 0x1000))) | (0x20000000))); |
2405 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2406 | return (0); |
2407 | } |
2408 | #undef DELPT |
2409 | |
2410 | /*- |
2411 | * The power amplifier predistortion state machine works as follows: |
2412 | * 1) Disable digital predistorters for all Tx chains |
2413 | * 2) Repeat steps 3~7 for all Tx chains |
2414 | * 3) Force Tx gain to that of training signal |
2415 | * 4) Send training signal (asynchronous) |
2416 | * 5) Wait for training signal to complete (asynchronous) |
2417 | * 6) Read PA measurements (input power, output power, output phase) |
2418 | * 7) Compute the predistortion function that linearizes PA output |
2419 | * 8) Write predistortion functions to hardware tables for all Tx chains |
2420 | * 9) Enable digital predistorters for all Tx chains |
2421 | */ |
2422 | void |
2423 | ar9003_paprd_calib(struct athn_softc *sc, struct ieee80211_channel *c) |
2424 | { |
2425 | static const int scaling[] = { |
2426 | 261376, 248079, 233759, 220464, |
2427 | 208194, 196949, 185706, 175487 |
2428 | }; |
2429 | struct athn_ops *ops = &sc->ops; |
2430 | uint32_t reg, ht20mask, ht40mask; |
2431 | int i; |
2432 | |
2433 | /* Read PA predistortion masks from ROM. */ |
2434 | ops->get_paprd_masks(sc, c, &ht20mask, &ht40mask); |
2435 | |
2436 | /* AM-to-AM: amplifier's amplitude characteristic. */ |
2437 | reg = AR_READ(sc, AR_PHY_PAPRD_AM2AM)(sc)->ops.read((sc), (0x098e4)); |
2438 | reg = RW(reg, AR_PHY_PAPRD_AM2AM_MASK, ht20mask)(((reg) & ~0x01ffffff) | (((uint32_t)(ht20mask) << 0 ) & 0x01ffffff)); |
2439 | AR_WRITE(sc, AR_PHY_PAPRD_AM2AM, reg)(sc)->ops.write((sc), (0x098e4), (reg)); |
2440 | |
2441 | /* AM-to-PM: amplifier's phase transfer characteristic. */ |
2442 | reg = AR_READ(sc, AR_PHY_PAPRD_AM2PM)(sc)->ops.read((sc), (0x098e8)); |
2443 | reg = RW(reg, AR_PHY_PAPRD_AM2PM_MASK, ht20mask)(((reg) & ~0x01ffffff) | (((uint32_t)(ht20mask) << 0 ) & 0x01ffffff)); |
2444 | AR_WRITE(sc, AR_PHY_PAPRD_AM2PM, reg)(sc)->ops.write((sc), (0x098e8), (reg)); |
2445 | |
2446 | reg = AR_READ(sc, AR_PHY_PAPRD_HT40)(sc)->ops.read((sc), (0x098ec)); |
2447 | reg = RW(reg, AR_PHY_PAPRD_HT40_MASK, ht40mask)(((reg) & ~0x01ffffff) | (((uint32_t)(ht40mask) << 0 ) & 0x01ffffff)); |
2448 | AR_WRITE(sc, AR_PHY_PAPRD_HT40, reg)(sc)->ops.write((sc), (0x098ec), (reg)); |
2449 | |
2450 | for (i = 0; i < AR9003_MAX_CHAINS3; i++) { |
2451 | AR_SETBITS(sc, AR_PHY_PAPRD_CTRL0_B(i),(sc)->ops.write((sc), ((0x098f0 + (i) * 0x1000)), ((sc)-> ops.read((sc), ((0x098f0 + (i) * 0x1000))) | (0x00000002))) |
2452 | AR_PHY_PAPRD_CTRL0_USE_SINGLE_TABLE)(sc)->ops.write((sc), ((0x098f0 + (i) * 0x1000)), ((sc)-> ops.read((sc), ((0x098f0 + (i) * 0x1000))) | (0x00000002))); |
2453 | |
2454 | reg = AR_READ(sc, AR_PHY_PAPRD_CTRL1_B(i))(sc)->ops.read((sc), ((0x098f4 + (i) * 0x1000))); |
2455 | reg = RW(reg, AR_PHY_PAPRD_CTRL1_PA_GAIN_SCALE_FACT, 181)(((reg) & ~0x0001fe00) | (((uint32_t)(181) << 9) & 0x0001fe00)); |
2456 | reg = RW(reg, AR_PHY_PAPRD_CTRL1_MAG_SCALE_FACT, 361)(((reg) & ~0x0ffe0000) | (((uint32_t)(361) << 17) & 0x0ffe0000)); |
2457 | reg &= ~AR_PHY_PAPRD_CTRL1_ADAPTIVE_SCALING_ENA0x00000001; |
2458 | reg |= AR_PHY_PAPRD_CTRL1_ADAPTIVE_AM2AM_ENA0x00000002; |
2459 | reg |= AR_PHY_PAPRD_CTRL1_ADAPTIVE_AM2PM_ENA0x00000004; |
2460 | AR_WRITE(sc, AR_PHY_PAPRD_CTRL1_B(i), reg)(sc)->ops.write((sc), ((0x098f4 + (i) * 0x1000)), (reg)); |
2461 | |
2462 | reg = AR_READ(sc, AR_PHY_PAPRD_CTRL0_B(i))(sc)->ops.read((sc), ((0x098f0 + (i) * 0x1000))); |
2463 | reg = RW(reg, AR_PHY_PAPRD_CTRL0_PAPRD_MAG_THRSH, 3)(((reg) & ~0xf8000000) | (((uint32_t)(3) << 27) & 0xf8000000)); |
2464 | AR_WRITE(sc, AR_PHY_PAPRD_CTRL0_B(i), reg)(sc)->ops.write((sc), ((0x098f0 + (i) * 0x1000)), (reg)); |
2465 | } |
2466 | |
2467 | /* Disable all digital predistorters during calibration. */ |
2468 | for (i = 0; i < AR9003_MAX_CHAINS3; i++) { |
2469 | AR_CLRBITS(sc, AR_PHY_PAPRD_CTRL0_B(i),(sc)->ops.write((sc), ((0x098f0 + (i) * 0x1000)), ((sc)-> ops.read((sc), ((0x098f0 + (i) * 0x1000))) & ~(0x00000001 ))) |
2470 | AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE)(sc)->ops.write((sc), ((0x098f0 + (i) * 0x1000)), ((sc)-> ops.read((sc), ((0x098f0 + (i) * 0x1000))) & ~(0x00000001 ))); |
2471 | } |
2472 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2473 | |
2474 | /* |
2475 | * Configure training signal. |
2476 | */ |
2477 | reg = AR_READ(sc, AR_PHY_PAPRD_TRAINER_CNTL1)(sc)->ops.read((sc), (0x0a690)); |
2478 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL1_AGC2_SETTLING, 28)(((reg) & ~0x0000007e) | (((uint32_t)(28) << 1) & 0x0000007e)); |
2479 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL1_LB_SKIP, 0x30)(((reg) & ~0x0003f000) | (((uint32_t)(0x30) << 12) & 0x0003f000)); |
2480 | reg &= ~AR_PHY_PAPRD_TRAINER_CNTL1_RX_BB_GAIN_FORCE0x00000200; |
2481 | reg &= ~AR_PHY_PAPRD_TRAINER_CNTL1_IQCORR_ENABLE0x00000100; |
2482 | reg |= AR_PHY_PAPRD_TRAINER_CNTL1_LB_ENABLE0x00000800; |
2483 | reg |= AR_PHY_PAPRD_TRAINER_CNTL1_TX_GAIN_FORCE0x00000400; |
2484 | reg |= AR_PHY_PAPRD_TRAINER_CNTL1_TRAIN_ENABLE0x00000001; |
2485 | AR_WRITE(sc, AR_PHY_PAPRD_TRAINER_CNTL1, reg)(sc)->ops.write((sc), (0x0a690), (reg)); |
2486 | |
2487 | AR_WRITE(sc, AR_PHY_PAPRD_TRAINER_CNTL2, 147)(sc)->ops.write((sc), (0x0a694), (147)); |
2488 | |
2489 | reg = AR_READ(sc, AR_PHY_PAPRD_TRAINER_CNTL3)(sc)->ops.read((sc), (0x0a698)); |
2490 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL3_FINE_CORR_LEN, 4)(((reg) & ~0x0f000000) | (((uint32_t)(4) << 24) & 0x0f000000)); |
2491 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL3_COARSE_CORR_LEN, 4)(((reg) & ~0x00f00000) | (((uint32_t)(4) << 20) & 0x00f00000)); |
2492 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL3_NUM_CORR_STAGES, 7)(((reg) & ~0x000e0000) | (((uint32_t)(7) << 17) & 0x000e0000)); |
2493 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL3_MIN_LOOPBACK_DEL, 1)(((reg) & ~0x0001f000) | (((uint32_t)(1) << 12) & 0x0001f000)); |
2494 | if (AR_SREV_9485(sc)((sc)->mac_ver == 0x240)) |
2495 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL3_QUICK_DROP, -3)(((reg) & ~0x00000fc0) | (((uint32_t)(-3) << 6) & 0x00000fc0)); |
2496 | else |
2497 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL3_QUICK_DROP, -6)(((reg) & ~0x00000fc0) | (((uint32_t)(-6) << 6) & 0x00000fc0)); |
2498 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL3_ADC_DESIRED_SIZE, -15)(((reg) & ~0x0000003f) | (((uint32_t)(-15) << 0) & 0x0000003f)); |
2499 | reg |= AR_PHY_PAPRD_TRAINER_CNTL3_BBTXMIX_DISABLE0x20000000; |
2500 | AR_WRITE(sc, AR_PHY_PAPRD_TRAINER_CNTL3, reg)(sc)->ops.write((sc), (0x0a698), (reg)); |
2501 | |
2502 | reg = AR_READ(sc, AR_PHY_PAPRD_TRAINER_CNTL4)(sc)->ops.read((sc), (0x0a69c)); |
2503 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL4_SAFETY_DELTA, 0)(((reg) & ~0x0000f000) | (((uint32_t)(0) << 12) & 0x0000f000)); |
2504 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL4_MIN_CORR, 400)(((reg) & ~0x00000fff) | (((uint32_t)(400) << 0) & 0x00000fff)); |
2505 | reg = RW(reg, AR_PHY_PAPRD_TRAINER_CNTL4_NUM_TRAIN_SAMPLES, 100)(((reg) & ~0x03ff0000) | (((uint32_t)(100) << 16) & 0x03ff0000)); |
2506 | AR_WRITE(sc, AR_PHY_PAPRD_TRAINER_CNTL4, reg)(sc)->ops.write((sc), (0x0a69c), (reg)); |
2507 | |
2508 | for (i = 0; i < nitems(scaling)(sizeof((scaling)) / sizeof((scaling)[0])); i++) { |
2509 | reg = AR_READ(sc, AR_PHY_PAPRD_PRE_POST_SCALE_B0(i))(sc)->ops.read((sc), ((0x09900 + (i) * 4))); |
2510 | reg = RW(reg, AR_PHY_PAPRD_PRE_POST_SCALING, scaling[i])(((reg) & ~0x0003ffff) | (((uint32_t)(scaling[i]) << 0) & 0x0003ffff)); |
2511 | AR_WRITE(sc, AR_PHY_PAPRD_PRE_POST_SCALE_B0(i), reg)(sc)->ops.write((sc), ((0x09900 + (i) * 4)), (reg)); |
2512 | } |
2513 | |
2514 | /* Save Tx gain table. */ |
2515 | for (i = 0; i < AR9003_TX_GAIN_TABLE_SIZE32; i++) |
2516 | sc->txgain[i] = AR_READ(sc, AR_PHY_TXGAIN_TABLE(i))(sc)->ops.read((sc), ((0x0a500 + (i) * 4))); |
2517 | |
2518 | /* Set Tx power of training signal (use setting for MCS0). */ |
2519 | sc->trainpow = MS(AR_READ(sc, AR_PHY_PWRTX_RATE5),(((uint32_t)((sc)->ops.read((sc), (0x0a3d0))) & 0x0000003f ) >> 0) |
2520 | AR_PHY_PWRTX_RATE5_POWERTXHT20_0)(((uint32_t)((sc)->ops.read((sc), (0x0a3d0))) & 0x0000003f ) >> 0) - 4; |
2521 | |
2522 | /* |
2523 | * Start PA predistortion calibration state machine. |
2524 | */ |
2525 | /* Find first available Tx chain. */ |
2526 | sc->paprd_curchain = 0; |
2527 | while (!(sc->txchainmask & (1 << sc->paprd_curchain))) |
2528 | sc->paprd_curchain++; |
2529 | |
2530 | /* Make sure training done bit is clear. */ |
2531 | AR_CLRBITS(sc, AR_PHY_PAPRD_TRAINER_STAT1,(sc)->ops.write((sc), (0x0a6a0), ((sc)->ops.read((sc), ( 0x0a6a0)) & ~(0x00000001))) |
2532 | AR_PHY_PAPRD_TRAINER_STAT1_TRAIN_DONE)(sc)->ops.write((sc), (0x0a6a0), ((sc)->ops.read((sc), ( 0x0a6a0)) & ~(0x00000001))); |
2533 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2534 | |
2535 | /* Transmit training signal. */ |
2536 | ar9003_paprd_tx_tone(sc); |
2537 | } |
2538 | |
2539 | int |
2540 | ar9003_get_desired_txgain(struct athn_softc *sc, int chain, int pow) |
2541 | { |
2542 | int32_t scale, atemp, avolt, tempcal, voltcal, temp, volt; |
2543 | int32_t tempcorr, voltcorr; |
2544 | uint32_t reg; |
2545 | int8_t delta; |
2546 | |
2547 | scale = MS(AR_READ(sc, AR_PHY_TPC_12),(((uint32_t)((sc)->ops.read((sc), (0x0a424))) & 0x3e000000 ) >> 25) |
2548 | AR_PHY_TPC_12_DESIRED_SCALE_HT40_5)(((uint32_t)((sc)->ops.read((sc), (0x0a424))) & 0x3e000000 ) >> 25); |
2549 | |
2550 | reg = AR_READ(sc, AR_PHY_TPC_19)(sc)->ops.read((sc), (0x0a440)); |
2551 | atemp = MS(reg, AR_PHY_TPC_19_ALPHA_THERM)(((uint32_t)(reg) & 0x000000ff) >> 0); |
2552 | avolt = MS(reg, AR_PHY_TPC_19_ALPHA_VOLT)(((uint32_t)(reg) & 0x001f0000) >> 16); |
2553 | |
2554 | reg = AR_READ(sc, AR_PHY_TPC_18)(sc)->ops.read((sc), (0x0a43c)); |
2555 | tempcal = MS(reg, AR_PHY_TPC_18_THERM_CAL)(((uint32_t)(reg) & 0x000000ff) >> 0); |
2556 | voltcal = MS(reg, AR_PHY_TPC_18_VOLT_CAL)(((uint32_t)(reg) & 0x0000ff00) >> 8); |
2557 | |
2558 | reg = AR_READ(sc, AR_PHY_BB_THERM_ADC_4)(sc)->ops.read((sc), (0x0a454)); |
2559 | temp = MS(reg, AR_PHY_BB_THERM_ADC_4_LATEST_THERM)(((uint32_t)(reg) & 0x000000ff) >> 0); |
2560 | volt = MS(reg, AR_PHY_BB_THERM_ADC_4_LATEST_VOLT)(((uint32_t)(reg) & 0x0000ff00) >> 8); |
2561 | |
2562 | delta = (int8_t)MS(AR_READ(sc, AR_PHY_TPC_11_B(chain)),(((uint32_t)((sc)->ops.read((sc), ((0x0a420 + (chain) * 0x1000 )))) & 0x00ff0000) >> 16) |
2563 | AR_PHY_TPC_11_OLPC_GAIN_DELTA)(((uint32_t)((sc)->ops.read((sc), ((0x0a420 + (chain) * 0x1000 )))) & 0x00ff0000) >> 16); |
2564 | |
2565 | /* Compute temperature and voltage correction. */ |
2566 | tempcorr = (atemp * (temp - tempcal) + 128) / 256; |
2567 | voltcorr = (avolt * (volt - voltcal) + 64) / 128; |
2568 | |
2569 | /* Compute desired Tx gain. */ |
2570 | return (pow - delta - tempcorr - voltcorr + scale); |
2571 | } |
2572 | |
2573 | void |
2574 | ar9003_force_txgain(struct athn_softc *sc, uint32_t txgain) |
2575 | { |
2576 | uint32_t reg; |
2577 | |
2578 | reg = AR_READ(sc, AR_PHY_TX_FORCED_GAIN)(sc)->ops.read((sc), (0x0a458)); |
2579 | reg = RW(reg, AR_PHY_TX_FORCED_GAIN_TXBB1DBGAIN,(((reg) & ~0x0000000e) | (((uint32_t)((((uint32_t)(txgain ) & 0x00000007) >> 0)) << 1) & 0x0000000e )) |
2580 | MS(txgain, AR_PHY_TXGAIN_TXBB1DBGAIN))(((reg) & ~0x0000000e) | (((uint32_t)((((uint32_t)(txgain ) & 0x00000007) >> 0)) << 1) & 0x0000000e )); |
2581 | reg = RW(reg, AR_PHY_TX_FORCED_GAIN_TXBB6DBGAIN,(((reg) & ~0x00000030) | (((uint32_t)((((uint32_t)(txgain ) & 0x00000018) >> 3)) << 4) & 0x00000030 )) |
2582 | MS(txgain, AR_PHY_TXGAIN_TXBB6DBGAIN))(((reg) & ~0x00000030) | (((uint32_t)((((uint32_t)(txgain ) & 0x00000018) >> 3)) << 4) & 0x00000030 )); |
2583 | reg = RW(reg, AR_PHY_TX_FORCED_GAIN_TXMXRGAIN,(((reg) & ~0x000003c0) | (((uint32_t)((((uint32_t)(txgain ) & 0x000001e0) >> 5)) << 6) & 0x000003c0 )) |
2584 | MS(txgain, AR_PHY_TXGAIN_TXMXRGAIN))(((reg) & ~0x000003c0) | (((uint32_t)((((uint32_t)(txgain ) & 0x000001e0) >> 5)) << 6) & 0x000003c0 )); |
2585 | reg = RW(reg, AR_PHY_TX_FORCED_GAIN_PADRVGNA,(((reg) & ~0x00003c00) | (((uint32_t)((((uint32_t)(txgain ) & 0x00001e00) >> 9)) << 10) & 0x00003c00 )) |
2586 | MS(txgain, AR_PHY_TXGAIN_PADRVGNA))(((reg) & ~0x00003c00) | (((uint32_t)((((uint32_t)(txgain ) & 0x00001e00) >> 9)) << 10) & 0x00003c00 )); |
2587 | reg = RW(reg, AR_PHY_TX_FORCED_GAIN_PADRVGNB,(((reg) & ~0x0003c000) | (((uint32_t)((((uint32_t)(txgain ) & 0x0001e000) >> 13)) << 14) & 0x0003c000 )) |
2588 | MS(txgain, AR_PHY_TXGAIN_PADRVGNB))(((reg) & ~0x0003c000) | (((uint32_t)((((uint32_t)(txgain ) & 0x0001e000) >> 13)) << 14) & 0x0003c000 )); |
2589 | reg = RW(reg, AR_PHY_TX_FORCED_GAIN_PADRVGNC,(((reg) & ~0x003c0000) | (((uint32_t)((((uint32_t)(txgain ) & 0x001e0000) >> 17)) << 18) & 0x003c0000 )) |
2590 | MS(txgain, AR_PHY_TXGAIN_PADRVGNC))(((reg) & ~0x003c0000) | (((uint32_t)((((uint32_t)(txgain ) & 0x001e0000) >> 17)) << 18) & 0x003c0000 )); |
2591 | reg = RW(reg, AR_PHY_TX_FORCED_GAIN_PADRVGND,(((reg) & ~0x00c00000) | (((uint32_t)((((uint32_t)(txgain ) & 0x00600000) >> 21)) << 22) & 0x00c00000 )) |
2592 | MS(txgain, AR_PHY_TXGAIN_PADRVGND))(((reg) & ~0x00c00000) | (((uint32_t)((((uint32_t)(txgain ) & 0x00600000) >> 21)) << 22) & 0x00c00000 )); |
2593 | reg &= ~AR_PHY_TX_FORCED_GAIN_ENABLE_PAL0x01000000; |
2594 | reg &= ~AR_PHY_TX_FORCED_GAIN_FORCE_TX_GAIN0x00000001; |
2595 | AR_WRITE(sc, AR_PHY_TX_FORCED_GAIN, reg)(sc)->ops.write((sc), (0x0a458), (reg)); |
2596 | |
2597 | reg = AR_READ(sc, AR_PHY_TPC_1)(sc)->ops.read((sc), (0x0a3f8)); |
2598 | reg = RW(reg, AR_PHY_TPC_1_FORCED_DAC_GAIN, 0)(((reg) & ~0x0000003e) | (((uint32_t)(0) << 1) & 0x0000003e)); |
2599 | reg &= ~AR_PHY_TPC_1_FORCE_DAC_GAIN0x00000001; |
2600 | AR_WRITE(sc, AR_PHY_TPC_1, reg)(sc)->ops.write((sc), (0x0a3f8), (reg)); |
2601 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2602 | } |
2603 | |
2604 | void |
2605 | ar9003_set_training_gain(struct athn_softc *sc, int chain) |
2606 | { |
2607 | int i, gain; |
2608 | |
2609 | /* |
2610 | * Get desired gain for training signal power (take into account |
2611 | * current temperature/voltage). |
2612 | */ |
2613 | gain = ar9003_get_desired_txgain(sc, chain, sc->trainpow); |
2614 | /* Find entry in table. */ |
2615 | for (i = 0; i < AR9003_TX_GAIN_TABLE_SIZE32 - 1; i++) |
2616 | if (MS(sc->txgain[i], AR_PHY_TXGAIN_INDEX)(((uint32_t)(sc->txgain[i]) & 0xff000000) >> 24) >= gain) |
2617 | break; |
2618 | ar9003_force_txgain(sc, sc->txgain[i]); |
2619 | } |
2620 | |
2621 | int |
2622 | ar9003_paprd_tx_tone(struct athn_softc *sc) |
2623 | { |
2624 | #define TONE_LEN 1800 |
2625 | struct ieee80211com *ic = &sc->sc_ic; |
2626 | struct ieee80211_frame *wh; |
2627 | struct ieee80211_node *ni; |
2628 | struct mbuf *m; |
2629 | int error; |
2630 | |
2631 | /* Build a Null (no data) frame of TONE_LEN bytes. */ |
2632 | m = MCLGETL(NULL, M_DONTWAIT, TONE_LEN)m_clget((((void *)0)), (0x0002), (TONE_LEN)); |
2633 | if (m == NULL((void *)0)) |
2634 | return (ENOBUFS55); |
2635 | memset(mtod(m, caddr_t), 0, TONE_LEN)__builtin_memset((((caddr_t)((m)->m_hdr.mh_data))), (0), ( TONE_LEN)); |
2636 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
2637 | wh->i_fc[0] = IEEE80211_FC0_TYPE_DATA0x08 | IEEE80211_FC0_SUBTYPE_NODATA0x40; |
2638 | wh->i_fc[1] = IEEE80211_FC1_DIR_NODS0x00; |
2639 | *(uint16_t *)wh->i_dur = htole16(10)((__uint16_t)(10)); /* XXX */ |
2640 | IEEE80211_ADDR_COPY(wh->i_addr1, ic->ic_myaddr)__builtin_memcpy((wh->i_addr1), (ic->ic_myaddr), (6)); |
2641 | IEEE80211_ADDR_COPY(wh->i_addr2, ic->ic_myaddr)__builtin_memcpy((wh->i_addr2), (ic->ic_myaddr), (6)); |
2642 | IEEE80211_ADDR_COPY(wh->i_addr3, ic->ic_myaddr)__builtin_memcpy((wh->i_addr3), (ic->ic_myaddr), (6)); |
2643 | m->m_pkthdrM_dat.MH.MH_pkthdr.len = m->m_lenm_hdr.mh_len = TONE_LEN; |
2644 | |
2645 | /* Set gain of training signal. */ |
2646 | ar9003_set_training_gain(sc, sc->paprd_curchain); |
2647 | |
2648 | /* Transmit training signal. */ |
2649 | ni = ieee80211_ref_node(ic->ic_bss); |
2650 | if ((error = ar9003_tx(sc, m, ni, ATHN_TXFLAG_PAPRD(1 << 0))) != 0) |
2651 | ieee80211_release_node(ic, ni); |
2652 | return (error); |
2653 | #undef TONE_LEN |
2654 | } |
2655 | |
2656 | static __inline int |
2657 | get_scale(int val) |
2658 | { |
2659 | int log = 0; |
2660 | |
2661 | /* Find the log base 2 (position of highest bit set). */ |
2662 | while (val >>= 1) |
2663 | log++; |
2664 | |
2665 | return ((log > 10) ? log - 10 : 0); |
2666 | } |
2667 | |
2668 | /* |
2669 | * Compute predistortion function to linearize power amplifier output based |
2670 | * on feedback from training signal. |
2671 | */ |
2672 | int |
2673 | ar9003_compute_predistortion(struct athn_softc *sc, const uint32_t *lo, |
2674 | const uint32_t *hi) |
2675 | { |
2676 | #define NBINS 23 |
2677 | int chain = sc->paprd_curchain; |
2678 | int x[NBINS + 1], y[NBINS + 1], t[NBINS + 1]; |
2679 | int b1[NBINS + 1], b2[NBINS + 1], xtilde[NBINS + 1]; |
2680 | int nsamples, txsum, rxsum, rosum, maxidx; |
2681 | int order, order5x, order5xrem, order3x, order3xrem, y5, y3; |
2682 | int icept, G, I, L, M, angle, xnonlin, y2, y4, sumy2, sumy4; |
2683 | int alpha, beta, scale, Qalpha, Qbeta, Qscale, Qx, Qb1, Qb2; |
2684 | int tavg, ttilde, maxb1abs, maxb2abs, maxxtildeabs, in; |
2685 | int tmp, i; |
2686 | |
2687 | /* Set values at origin. */ |
2688 | x[0] = y[0] = t[0] = 0; |
2689 | |
2690 | #define SCALE 32 |
2691 | maxidx = 0; |
2692 | for (i = 0; i < NBINS; i++) { |
2693 | nsamples = lo[i] & 0xffff; |
2694 | /* Skip bins that contain 16 or less samples. */ |
2695 | if (nsamples <= 16) { |
2696 | x[i + 1] = y[i + 1] = t[i + 1] = 0; |
2697 | continue; |
2698 | } |
2699 | txsum = (hi[i] & 0x7ff) << 16 | lo[i] >> 16; |
2700 | rxsum = (lo[i + NBINS] & 0xffff) << 5 | |
2701 | ((hi[i] >> 11) & 0x1f); |
2702 | rosum = (hi[i + NBINS] & 0x7ff) << 16 | hi[i + NBINS] >> 16; |
2703 | /* Sign-extend 27-bit value. */ |
2704 | rosum = (rosum ^ 0x4000000) - 0x4000000; |
2705 | |
2706 | txsum *= SCALE; |
2707 | rxsum *= SCALE; |
2708 | rosum *= SCALE; |
2709 | |
2710 | x[i + 1] = ((txsum + nsamples) / nsamples + SCALE) / SCALE; |
2711 | y[i + 1] = ((rxsum + nsamples) / nsamples + SCALE) / SCALE + |
2712 | SCALE * maxidx + SCALE / 2; |
2713 | t[i + 1] = (rosum + nsamples) / nsamples; |
2714 | maxidx++; |
2715 | } |
2716 | #undef SCALE |
2717 | |
2718 | #define SCALE_LOG 8 |
2719 | #define SCALE (1 << SCALE_LOG) |
2720 | if (x[6] == x[3]) |
2721 | return (1); /* Prevent division by 0. */ |
2722 | G = ((y[6] - y[3]) * SCALE + (x[6] - x[3])) / (x[6] - x[3]); |
2723 | if (G == 0) |
2724 | return (1); /* Prevent division by 0. */ |
2725 | |
2726 | sc->gain1[chain] = G; /* Save low signal gain. */ |
2727 | |
2728 | /* Find interception point. */ |
2729 | icept = (G * (x[0] - x[3]) + SCALE) / SCALE + y[3]; |
2730 | for (i = 0; i <= 3; i++) { |
2731 | y[i] = i * 32; |
2732 | x[i] = (y[i] * SCALE + G) / G; |
2733 | } |
2734 | for (i = 4; i <= maxidx; i++) |
2735 | y[i] -= icept; |
2736 | |
2737 | xnonlin = x[maxidx] - (y[maxidx] * SCALE + G) / G; |
2738 | order = (xnonlin + y[maxidx]) / y[maxidx]; |
2739 | if (order == 0) |
2740 | M = 10; |
2741 | else if (order == 1) |
2742 | M = 9; |
2743 | else |
2744 | M = 8; |
2745 | |
2746 | I = (maxidx >= 16) ? 7 : maxidx / 2; |
2747 | L = maxidx - I; |
2748 | |
2749 | sumy2 = sumy4 = y2 = y4 = 0; |
2750 | for (i = 0; i <= L; i++) { |
2751 | if (y[i + I] == 0) |
2752 | return (1); /* Prevent division by 0. */ |
2753 | |
2754 | xnonlin = x[i + I] - ((y[i + I] * SCALE) + G) / G; |
2755 | xtilde[i] = ((xnonlin << M) + y[i + I]) / y[i + I]; |
2756 | xtilde[i] = ((xtilde[i] << M) + y[i + I]) / y[i + I]; |
2757 | xtilde[i] = ((xtilde[i] << M) + y[i + I]) / y[i + I]; |
2758 | |
2759 | y2 = (y[i + I] * y[i + I] + SCALE * SCALE) / (SCALE * SCALE); |
2760 | |
2761 | sumy2 += y2; |
2762 | sumy4 += y2 * y2; |
2763 | |
2764 | b1[i] = y2 * (L + 1); |
2765 | b2[i] = y2; |
2766 | } |
2767 | for (i = 0; i <= L; i++) { |
2768 | b1[i] -= sumy2; |
2769 | b2[i] = sumy4 - sumy2 * b2[i]; |
2770 | } |
2771 | |
2772 | maxxtildeabs = maxb1abs = maxb2abs = 0; |
2773 | for (i = 0; i <= L; i++) { |
2774 | tmp = abs(xtilde[i]); |
2775 | if (tmp > maxxtildeabs) |
2776 | maxxtildeabs = tmp; |
2777 | |
2778 | tmp = abs(b1[i]); |
2779 | if (tmp > maxb1abs) |
2780 | maxb1abs = tmp; |
2781 | |
2782 | tmp = abs(b2[i]); |
2783 | if (tmp > maxb2abs) |
2784 | maxb2abs = tmp; |
2785 | } |
2786 | Qx = get_scale(maxxtildeabs); |
2787 | Qb1 = get_scale(maxb1abs); |
2788 | Qb2 = get_scale(maxb2abs); |
2789 | for (i = 0; i <= L; i++) { |
2790 | xtilde[i] /= 1 << Qx; |
2791 | b1[i] /= 1 << Qb1; |
2792 | b2[i] /= 1 << Qb2; |
2793 | } |
2794 | |
2795 | alpha = beta = 0; |
2796 | for (i = 0; i <= L; i++) { |
2797 | alpha += b1[i] * xtilde[i]; |
2798 | beta += b2[i] * xtilde[i]; |
2799 | } |
2800 | |
2801 | scale = ((y4 / SCALE_LOG) * (L + 1) - |
2802 | (y2 / SCALE_LOG) * sumy2) * SCALE_LOG; |
2803 | |
2804 | Qscale = get_scale(abs(scale)); |
2805 | scale /= 1 << Qscale; |
2806 | Qalpha = get_scale(abs(alpha)); |
2807 | alpha /= 1 << Qalpha; |
2808 | Qbeta = get_scale(abs(beta)); |
2809 | beta /= 1 << Qbeta; |
2810 | |
2811 | order = 3 * M - Qx - Qb1 - Qbeta + 10 + Qscale; |
2812 | order5x = 1 << (order / 5); |
2813 | order5xrem = 1 << (order % 5); |
2814 | |
2815 | order = 3 * M - Qx - Qb2 - Qalpha + 10 + Qscale; |
2816 | order3x = 1 << (order / 3); |
2817 | order3xrem = 1 << (order % 3); |
2818 | |
2819 | for (i = 0; i < AR9003_PAPRD_MEM_TAB_SIZE24; i++) { |
2820 | tmp = i * 32; |
2821 | |
2822 | /* Fifth order. */ |
2823 | y5 = ((beta * tmp) / 64) / order5x; |
2824 | y5 = (y5 * tmp) / order5x; |
2825 | y5 = (y5 * tmp) / order5x; |
2826 | y5 = (y5 * tmp) / order5x; |
2827 | y5 = (y5 * tmp) / order5x; |
2828 | y5 = y5 / order5xrem; |
2829 | |
2830 | /* Third order. */ |
2831 | y3 = (alpha * tmp) / order3x; |
2832 | y3 = (y3 * tmp) / order3x; |
2833 | y3 = (y3 * tmp) / order3x; |
2834 | y3 = y3 / order3xrem; |
2835 | |
2836 | in = y5 + y3 + (SCALE * tmp) / G; |
2837 | if (i >= 2 && in < sc->pa_in[chain][i - 1]) { |
2838 | in = sc->pa_in[chain][i - 1] + |
2839 | (sc->pa_in[chain][i - 1] - |
2840 | sc->pa_in[chain][i - 2]); |
2841 | } |
2842 | if (in > 1400) |
2843 | in = 1400; |
2844 | sc->pa_in[chain][i] = in; |
2845 | } |
2846 | |
2847 | /* Compute average theta of first 5 bins (linear region). */ |
2848 | tavg = 0; |
2849 | for (i = 1; i <= 5; i++) |
2850 | tavg += t[i]; |
2851 | tavg /= 5; |
2852 | for (i = 1; i <= 5; i++) |
2853 | t[i] = 0; |
2854 | for (i = 6; i <= maxidx; i++) |
2855 | t[i] -= tavg; |
2856 | |
2857 | alpha = beta = 0; |
2858 | for (i = 0; i <= L; i++) { |
2859 | ttilde = ((t[i + I] << M) + y[i + I]) / y[i + I]; |
2860 | ttilde = ((ttilde << M) + y[i + I]) / y[i + I]; |
2861 | ttilde = ((ttilde << M) + y[i + I]) / y[i + I]; |
2862 | |
2863 | alpha += b2[i] * ttilde; |
2864 | beta += b1[i] * ttilde; |
2865 | } |
2866 | |
2867 | Qalpha = get_scale(abs(alpha)); |
2868 | alpha /= 1 << Qalpha; |
2869 | Qbeta = get_scale(abs(beta)); |
2870 | beta /= 1 << Qbeta; |
2871 | |
2872 | order = 3 * M - Qx - Qb1 - Qbeta + 10 + Qscale + 5; |
2873 | order5x = 1 << (order / 5); |
2874 | order5xrem = 1 << (order % 5); |
2875 | |
2876 | order = 3 * M - Qx - Qb2 - Qalpha + 10 + Qscale + 5; |
2877 | order3x = 1 << (order / 3); |
2878 | order3xrem = 1 << (order % 3); |
2879 | |
2880 | for (i = 0; i <= 4; i++) |
2881 | sc->angle[chain][i] = 0; /* Linear at that range. */ |
2882 | for (i = 5; i < AR9003_PAPRD_MEM_TAB_SIZE24; i++) { |
2883 | tmp = i * 32; |
2884 | |
2885 | /* Fifth order. */ |
2886 | if (beta > 0) |
2887 | y5 = (((beta * tmp - 64) / 64) - order5x) / order5x; |
2888 | else |
2889 | y5 = (((beta * tmp - 64) / 64) + order5x) / order5x; |
2890 | y5 = (y5 * tmp) / order5x; |
2891 | y5 = (y5 * tmp) / order5x; |
2892 | y5 = (y5 * tmp) / order5x; |
2893 | y5 = (y5 * tmp) / order5x; |
2894 | y5 = y5 / order5xrem; |
2895 | |
2896 | /* Third order. */ |
2897 | if (beta > 0) /* XXX alpha? */ |
2898 | y3 = (alpha * tmp - order3x) / order3x; |
2899 | else |
2900 | y3 = (alpha * tmp + order3x) / order3x; |
2901 | y3 = (y3 * tmp) / order3x; |
2902 | y3 = (y3 * tmp) / order3x; |
2903 | y3 = y3 / order3xrem; |
2904 | |
2905 | angle = y5 + y3; |
2906 | if (angle < -150) |
2907 | angle = -150; |
2908 | else if (angle > 150) |
2909 | angle = 150; |
2910 | sc->angle[chain][i] = angle; |
2911 | } |
2912 | /* Angle for entry 4 is derived from angle for entry 5. */ |
2913 | sc->angle[chain][4] = (sc->angle[chain][5] + 2) / 2; |
2914 | |
2915 | return (0); |
2916 | #undef SCALE |
2917 | #undef SCALE_LOG |
2918 | #undef NBINS |
2919 | } |
2920 | |
2921 | void |
2922 | ar9003_enable_predistorter(struct athn_softc *sc, int chain) |
2923 | { |
2924 | uint32_t reg; |
2925 | int i; |
2926 | |
2927 | /* Write digital predistorter lookup table. */ |
2928 | for (i = 0; i < AR9003_PAPRD_MEM_TAB_SIZE24; i++) { |
2929 | AR_WRITE(sc, AR_PHY_PAPRD_MEM_TAB_B(chain, i),(sc)->ops.write((sc), ((0x09920 + (chain) * 0x1000 + (i) * 4)), ((((uint32_t)(sc->pa_in[chain][i]) << 11) & 0x003ff800) | (((uint32_t)(sc->angle[chain][i]) << 0 ) & 0x000007ff))) |
2930 | SM(AR_PHY_PAPRD_PA_IN, sc->pa_in[chain][i]) |(sc)->ops.write((sc), ((0x09920 + (chain) * 0x1000 + (i) * 4)), ((((uint32_t)(sc->pa_in[chain][i]) << 11) & 0x003ff800) | (((uint32_t)(sc->angle[chain][i]) << 0 ) & 0x000007ff))) |
2931 | SM(AR_PHY_PAPRD_ANGLE, sc->angle[chain][i]))(sc)->ops.write((sc), ((0x09920 + (chain) * 0x1000 + (i) * 4)), ((((uint32_t)(sc->pa_in[chain][i]) << 11) & 0x003ff800) | (((uint32_t)(sc->angle[chain][i]) << 0 ) & 0x000007ff))); |
2932 | } |
2933 | |
2934 | reg = AR_READ(sc, AR_PHY_PA_GAIN123_B(chain))(sc)->ops.read((sc), ((0x098f8 + (chain) * 0x1000))); |
2935 | reg = RW(reg, AR_PHY_PA_GAIN123_PA_GAIN1, sc->gain1[chain])(((reg) & ~0x000003ff) | (((uint32_t)(sc->gain1[chain] ) << 0) & 0x000003ff)); |
2936 | AR_WRITE(sc, AR_PHY_PA_GAIN123_B(chain), reg)(sc)->ops.write((sc), ((0x098f8 + (chain) * 0x1000)), (reg )); |
2937 | |
2938 | /* Indicate Tx power used for calibration (training signal). */ |
2939 | reg = AR_READ(sc, AR_PHY_PAPRD_CTRL1_B(chain))(sc)->ops.read((sc), ((0x098f4 + (chain) * 0x1000))); |
2940 | reg = RW(reg, AR_PHY_PAPRD_CTRL1_POWER_AT_AM2AM_CAL, sc->trainpow)(((reg) & ~0x000001f8) | (((uint32_t)(sc->trainpow) << 3) & 0x000001f8)); |
2941 | AR_WRITE(sc, AR_PHY_PAPRD_CTRL1_B(chain), reg)(sc)->ops.write((sc), ((0x098f4 + (chain) * 0x1000)), (reg )); |
2942 | |
2943 | /* Enable digital predistorter for this chain. */ |
2944 | AR_SETBITS(sc, AR_PHY_PAPRD_CTRL0_B(chain),(sc)->ops.write((sc), ((0x098f0 + (chain) * 0x1000)), ((sc )->ops.read((sc), ((0x098f0 + (chain) * 0x1000))) | (0x00000001 ))) |
2945 | AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE)(sc)->ops.write((sc), ((0x098f0 + (chain) * 0x1000)), ((sc )->ops.read((sc), ((0x098f0 + (chain) * 0x1000))) | (0x00000001 ))); |
2946 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
2947 | } |
2948 | |
2949 | void |
2950 | ar9003_paprd_enable(struct athn_softc *sc) |
2951 | { |
2952 | int i; |
2953 | |
2954 | /* Enable digital predistorters for all Tx chains. */ |
2955 | for (i = 0; i < AR9003_MAX_CHAINS3; i++) |
2956 | if (sc->txchainmask & (1 << i)) |
2957 | ar9003_enable_predistorter(sc, i); |
2958 | } |
2959 | |
2960 | /* |
2961 | * This function is called when our training signal has been sent. |
2962 | */ |
2963 | void |
2964 | ar9003_paprd_tx_tone_done(struct athn_softc *sc) |
2965 | { |
2966 | uint32_t lo[48], hi[48]; |
2967 | int i; |
2968 | |
2969 | /* Make sure training is complete. */ |
2970 | if (!(AR_READ(sc, AR_PHY_PAPRD_TRAINER_STAT1)(sc)->ops.read((sc), (0x0a6a0)) & |
2971 | AR_PHY_PAPRD_TRAINER_STAT1_TRAIN_DONE0x00000001)) |
2972 | return; |
2973 | |
2974 | /* Read feedback from training signal. */ |
2975 | AR_CLRBITS(sc, AR_PHY_CHAN_INFO_MEMORY, AR_PHY_CHAN_INFO_TAB_S2_READ)(sc)->ops.write((sc), (0x0a370), ((sc)->ops.read((sc), ( 0x0a370)) & ~(0x00000008))); |
2976 | for (i = 0; i < nitems(lo)(sizeof((lo)) / sizeof((lo)[0])); i++) |
2977 | lo[i] = AR_READ(sc, AR_PHY_CHAN_INFO_TAB(0, i))(sc)->ops.read((sc), ((0x09b00 + (0) * 0x1000 + (i) * 4))); |
2978 | AR_SETBITS(sc, AR_PHY_CHAN_INFO_MEMORY, AR_PHY_CHAN_INFO_TAB_S2_READ)(sc)->ops.write((sc), (0x0a370), ((sc)->ops.read((sc), ( 0x0a370)) | (0x00000008))); |
2979 | for (i = 0; i < nitems(hi)(sizeof((hi)) / sizeof((hi)[0])); i++) |
2980 | hi[i] = AR_READ(sc, AR_PHY_CHAN_INFO_TAB(0, i))(sc)->ops.read((sc), ((0x09b00 + (0) * 0x1000 + (i) * 4))); |
2981 | |
2982 | AR_CLRBITS(sc, AR_PHY_PAPRD_TRAINER_STAT1,(sc)->ops.write((sc), (0x0a6a0), ((sc)->ops.read((sc), ( 0x0a6a0)) & ~(0x00000001))) |
2983 | AR_PHY_PAPRD_TRAINER_STAT1_TRAIN_DONE)(sc)->ops.write((sc), (0x0a6a0), ((sc)->ops.read((sc), ( 0x0a6a0)) & ~(0x00000001))); |
2984 | |
2985 | /* Compute predistortion function based on this feedback. */ |
2986 | if (ar9003_compute_predistortion(sc, lo, hi) != 0) |
2987 | return; |
2988 | |
2989 | /* Get next available Tx chain. */ |
2990 | while (++sc->paprd_curchain < AR9003_MAX_CHAINS3) |
2991 | if (sc->txchainmask & (1 << sc->paprd_curchain)) |
2992 | break; |
2993 | if (sc->paprd_curchain == AR9003_MAX_CHAINS3) { |
2994 | /* All Tx chains measured; enable digital predistortion. */ |
2995 | ar9003_paprd_enable(sc); |
2996 | } else /* Measure next Tx chain. */ |
2997 | ar9003_paprd_tx_tone(sc); |
2998 | } |
2999 | |
3000 | void |
3001 | ar9003_write_txpower(struct athn_softc *sc, int16_t power[ATHN_POWER_COUNT68]) |
3002 | { |
3003 | /* Make sure forced gain is disabled. */ |
3004 | AR_WRITE(sc, AR_PHY_TX_FORCED_GAIN, 0)(sc)->ops.write((sc), (0x0a458), (0)); |
3005 | |
3006 | AR_WRITE(sc, AR_PHY_PWRTX_RATE1,(sc)->ops.write((sc), (0x0a3c0), ((power[3 ] & 0x3f) << 24 | (power[2 ] & 0x3f) << 16 | (power[1 ] & 0x3f ) << 8 | (power[0 ] & 0x3f))) |
3007 | (power[ATHN_POWER_OFDM18 ] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3c0), ((power[3 ] & 0x3f) << 24 | (power[2 ] & 0x3f) << 16 | (power[1 ] & 0x3f ) << 8 | (power[0 ] & 0x3f))) |
3008 | (power[ATHN_POWER_OFDM12 ] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3c0), ((power[3 ] & 0x3f) << 24 | (power[2 ] & 0x3f) << 16 | (power[1 ] & 0x3f ) << 8 | (power[0 ] & 0x3f))) |
3009 | (power[ATHN_POWER_OFDM9 ] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3c0), ((power[3 ] & 0x3f) << 24 | (power[2 ] & 0x3f) << 16 | (power[1 ] & 0x3f ) << 8 | (power[0 ] & 0x3f))) |
3010 | (power[ATHN_POWER_OFDM6 ] & 0x3f))(sc)->ops.write((sc), (0x0a3c0), ((power[3 ] & 0x3f) << 24 | (power[2 ] & 0x3f) << 16 | (power[1 ] & 0x3f ) << 8 | (power[0 ] & 0x3f))); |
3011 | AR_WRITE(sc, AR_PHY_PWRTX_RATE2,(sc)->ops.write((sc), (0x0a3c4), ((power[7 ] & 0x3f) << 24 | (power[6 ] & 0x3f) << 16 | (power[5 ] & 0x3f ) << 8 | (power[4 ] & 0x3f))) |
3012 | (power[ATHN_POWER_OFDM54 ] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3c4), ((power[7 ] & 0x3f) << 24 | (power[6 ] & 0x3f) << 16 | (power[5 ] & 0x3f ) << 8 | (power[4 ] & 0x3f))) |
3013 | (power[ATHN_POWER_OFDM48 ] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3c4), ((power[7 ] & 0x3f) << 24 | (power[6 ] & 0x3f) << 16 | (power[5 ] & 0x3f ) << 8 | (power[4 ] & 0x3f))) |
3014 | (power[ATHN_POWER_OFDM36 ] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3c4), ((power[7 ] & 0x3f) << 24 | (power[6 ] & 0x3f) << 16 | (power[5 ] & 0x3f ) << 8 | (power[4 ] & 0x3f))) |
3015 | (power[ATHN_POWER_OFDM24 ] & 0x3f))(sc)->ops.write((sc), (0x0a3c4), ((power[7 ] & 0x3f) << 24 | (power[6 ] & 0x3f) << 16 | (power[5 ] & 0x3f ) << 8 | (power[4 ] & 0x3f))); |
3016 | AR_WRITE(sc, AR_PHY_PWRTX_RATE3,(sc)->ops.write((sc), (0x0a3c8), ((power[10 ] & 0x3f) << 24 | (power[9 ] & 0x3f) << 16 | (power[8 ] & 0x3f ))) |
3017 | (power[ATHN_POWER_CCK2_SP ] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3c8), ((power[10 ] & 0x3f) << 24 | (power[9 ] & 0x3f) << 16 | (power[8 ] & 0x3f ))) |
3018 | (power[ATHN_POWER_CCK2_LP ] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3c8), ((power[10 ] & 0x3f) << 24 | (power[9 ] & 0x3f) << 16 | (power[8 ] & 0x3f ))) |
3019 | /* NB: No eXtended Range for AR9003. */(sc)->ops.write((sc), (0x0a3c8), ((power[10 ] & 0x3f) << 24 | (power[9 ] & 0x3f) << 16 | (power[8 ] & 0x3f ))) |
3020 | (power[ATHN_POWER_CCK1_LP ] & 0x3f))(sc)->ops.write((sc), (0x0a3c8), ((power[10 ] & 0x3f) << 24 | (power[9 ] & 0x3f) << 16 | (power[8 ] & 0x3f ))); |
3021 | AR_WRITE(sc, AR_PHY_PWRTX_RATE4,(sc)->ops.write((sc), (0x0a3cc), ((power[14] & 0x3f) << 24 | (power[13] & 0x3f) << 16 | (power[12] & 0x3f ) << 8 | (power[11] & 0x3f))) |
3022 | (power[ATHN_POWER_CCK11_SP] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3cc), ((power[14] & 0x3f) << 24 | (power[13] & 0x3f) << 16 | (power[12] & 0x3f ) << 8 | (power[11] & 0x3f))) |
3023 | (power[ATHN_POWER_CCK11_LP] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3cc), ((power[14] & 0x3f) << 24 | (power[13] & 0x3f) << 16 | (power[12] & 0x3f ) << 8 | (power[11] & 0x3f))) |
3024 | (power[ATHN_POWER_CCK55_SP] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3cc), ((power[14] & 0x3f) << 24 | (power[13] & 0x3f) << 16 | (power[12] & 0x3f ) << 8 | (power[11] & 0x3f))) |
3025 | (power[ATHN_POWER_CCK55_LP] & 0x3f))(sc)->ops.write((sc), (0x0a3cc), ((power[14] & 0x3f) << 24 | (power[13] & 0x3f) << 16 | (power[12] & 0x3f ) << 8 | (power[11] & 0x3f))); |
3026 | /* |
3027 | * NB: AR_PHY_PWRTX_RATE5 needs to be written even if HT is disabled |
3028 | * because it is read by PA predistortion functions. |
3029 | */ |
3030 | AR_WRITE(sc, AR_PHY_PWRTX_RATE5,(sc)->ops.write((sc), (0x0a3d0), ((power[(16 + (5))] & 0x3f) << 24 | (power[(16 + (4))] & 0x3f) << 16 | (power[(16 + (1))] & 0x3f) << 8 | (power[(16 + ( 0))] & 0x3f))) |
3031 | (power[ATHN_POWER_HT20( 5)] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3d0), ((power[(16 + (5))] & 0x3f) << 24 | (power[(16 + (4))] & 0x3f) << 16 | (power[(16 + (1))] & 0x3f) << 8 | (power[(16 + ( 0))] & 0x3f))) |
3032 | (power[ATHN_POWER_HT20( 4)] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3d0), ((power[(16 + (5))] & 0x3f) << 24 | (power[(16 + (4))] & 0x3f) << 16 | (power[(16 + (1))] & 0x3f) << 8 | (power[(16 + ( 0))] & 0x3f))) |
3033 | (power[ATHN_POWER_HT20( 1)] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3d0), ((power[(16 + (5))] & 0x3f) << 24 | (power[(16 + (4))] & 0x3f) << 16 | (power[(16 + (1))] & 0x3f) << 8 | (power[(16 + ( 0))] & 0x3f))) |
3034 | (power[ATHN_POWER_HT20( 0)] & 0x3f))(sc)->ops.write((sc), (0x0a3d0), ((power[(16 + (5))] & 0x3f) << 24 | (power[(16 + (4))] & 0x3f) << 16 | (power[(16 + (1))] & 0x3f) << 8 | (power[(16 + ( 0))] & 0x3f))); |
3035 | AR_WRITE(sc, AR_PHY_PWRTX_RATE6,(sc)->ops.write((sc), (0x0a3d4), ((power[(16 + (13))] & 0x3f) << 24 | (power[(16 + (12))] & 0x3f) << 16 | (power[(16 + (7))] & 0x3f) << 8 | (power[(16 + (6))] & 0x3f))) |
3036 | (power[ATHN_POWER_HT20(13)] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3d4), ((power[(16 + (13))] & 0x3f) << 24 | (power[(16 + (12))] & 0x3f) << 16 | (power[(16 + (7))] & 0x3f) << 8 | (power[(16 + (6))] & 0x3f))) |
3037 | (power[ATHN_POWER_HT20(12)] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3d4), ((power[(16 + (13))] & 0x3f) << 24 | (power[(16 + (12))] & 0x3f) << 16 | (power[(16 + (7))] & 0x3f) << 8 | (power[(16 + (6))] & 0x3f))) |
3038 | (power[ATHN_POWER_HT20( 7)] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3d4), ((power[(16 + (13))] & 0x3f) << 24 | (power[(16 + (12))] & 0x3f) << 16 | (power[(16 + (7))] & 0x3f) << 8 | (power[(16 + (6))] & 0x3f))) |
3039 | (power[ATHN_POWER_HT20( 6)] & 0x3f))(sc)->ops.write((sc), (0x0a3d4), ((power[(16 + (13))] & 0x3f) << 24 | (power[(16 + (12))] & 0x3f) << 16 | (power[(16 + (7))] & 0x3f) << 8 | (power[(16 + (6))] & 0x3f))); |
3040 | AR_WRITE(sc, AR_PHY_PWRTX_RATE7,(sc)->ops.write((sc), (0x0a3d8), ((power[(40 + (5))] & 0x3f) << 24 | (power[(40 + (4))] & 0x3f) << 16 | (power[(40 + (1))] & 0x3f) << 8 | (power[(40 + ( 0))] & 0x3f))) |
3041 | (power[ATHN_POWER_HT40( 5)] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3d8), ((power[(40 + (5))] & 0x3f) << 24 | (power[(40 + (4))] & 0x3f) << 16 | (power[(40 + (1))] & 0x3f) << 8 | (power[(40 + ( 0))] & 0x3f))) |
3042 | (power[ATHN_POWER_HT40( 4)] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3d8), ((power[(40 + (5))] & 0x3f) << 24 | (power[(40 + (4))] & 0x3f) << 16 | (power[(40 + (1))] & 0x3f) << 8 | (power[(40 + ( 0))] & 0x3f))) |
3043 | (power[ATHN_POWER_HT40( 1)] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3d8), ((power[(40 + (5))] & 0x3f) << 24 | (power[(40 + (4))] & 0x3f) << 16 | (power[(40 + (1))] & 0x3f) << 8 | (power[(40 + ( 0))] & 0x3f))) |
3044 | (power[ATHN_POWER_HT40( 0)] & 0x3f))(sc)->ops.write((sc), (0x0a3d8), ((power[(40 + (5))] & 0x3f) << 24 | (power[(40 + (4))] & 0x3f) << 16 | (power[(40 + (1))] & 0x3f) << 8 | (power[(40 + ( 0))] & 0x3f))); |
3045 | AR_WRITE(sc, AR_PHY_PWRTX_RATE8,(sc)->ops.write((sc), (0x0a3dc), ((power[(40 + (13))] & 0x3f) << 24 | (power[(40 + (12))] & 0x3f) << 16 | (power[(40 + (7))] & 0x3f) << 8 | (power[(40 + (6))] & 0x3f))) |
3046 | (power[ATHN_POWER_HT40(13)] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3dc), ((power[(40 + (13))] & 0x3f) << 24 | (power[(40 + (12))] & 0x3f) << 16 | (power[(40 + (7))] & 0x3f) << 8 | (power[(40 + (6))] & 0x3f))) |
3047 | (power[ATHN_POWER_HT40(12)] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3dc), ((power[(40 + (13))] & 0x3f) << 24 | (power[(40 + (12))] & 0x3f) << 16 | (power[(40 + (7))] & 0x3f) << 8 | (power[(40 + (6))] & 0x3f))) |
3048 | (power[ATHN_POWER_HT40( 7)] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3dc), ((power[(40 + (13))] & 0x3f) << 24 | (power[(40 + (12))] & 0x3f) << 16 | (power[(40 + (7))] & 0x3f) << 8 | (power[(40 + (6))] & 0x3f))) |
3049 | (power[ATHN_POWER_HT40( 6)] & 0x3f))(sc)->ops.write((sc), (0x0a3dc), ((power[(40 + (13))] & 0x3f) << 24 | (power[(40 + (12))] & 0x3f) << 16 | (power[(40 + (7))] & 0x3f) << 8 | (power[(40 + (6))] & 0x3f))); |
3050 | AR_WRITE(sc, AR_PHY_PWRTX_RATE10,(sc)->ops.write((sc), (0x0a3e4), ((power[(16 + (21))] & 0x3f) << 24 | (power[(16 + (20))] & 0x3f) << 16 | (power[(16 + (15))] & 0x3f) << 8 | (power[(16 + (14))] & 0x3f))) |
3051 | (power[ATHN_POWER_HT20(21)] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3e4), ((power[(16 + (21))] & 0x3f) << 24 | (power[(16 + (20))] & 0x3f) << 16 | (power[(16 + (15))] & 0x3f) << 8 | (power[(16 + (14))] & 0x3f))) |
3052 | (power[ATHN_POWER_HT20(20)] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3e4), ((power[(16 + (21))] & 0x3f) << 24 | (power[(16 + (20))] & 0x3f) << 16 | (power[(16 + (15))] & 0x3f) << 8 | (power[(16 + (14))] & 0x3f))) |
3053 | (power[ATHN_POWER_HT20(15)] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3e4), ((power[(16 + (21))] & 0x3f) << 24 | (power[(16 + (20))] & 0x3f) << 16 | (power[(16 + (15))] & 0x3f) << 8 | (power[(16 + (14))] & 0x3f))) |
3054 | (power[ATHN_POWER_HT20(14)] & 0x3f))(sc)->ops.write((sc), (0x0a3e4), ((power[(16 + (21))] & 0x3f) << 24 | (power[(16 + (20))] & 0x3f) << 16 | (power[(16 + (15))] & 0x3f) << 8 | (power[(16 + (14))] & 0x3f))); |
3055 | AR_WRITE(sc, AR_PHY_PWRTX_RATE11,(sc)->ops.write((sc), (0x0a3e8), ((power[(40 + (23))] & 0x3f) << 24 | (power[(40 + (22))] & 0x3f) << 16 | (power[(16 + (23))] & 0x3f) << 8 | (power[(16 + (22))] & 0x3f))) |
3056 | (power[ATHN_POWER_HT40(23)] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3e8), ((power[(40 + (23))] & 0x3f) << 24 | (power[(40 + (22))] & 0x3f) << 16 | (power[(16 + (23))] & 0x3f) << 8 | (power[(16 + (22))] & 0x3f))) |
3057 | (power[ATHN_POWER_HT40(22)] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3e8), ((power[(40 + (23))] & 0x3f) << 24 | (power[(40 + (22))] & 0x3f) << 16 | (power[(16 + (23))] & 0x3f) << 8 | (power[(16 + (22))] & 0x3f))) |
3058 | (power[ATHN_POWER_HT20(23)] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3e8), ((power[(40 + (23))] & 0x3f) << 24 | (power[(40 + (22))] & 0x3f) << 16 | (power[(16 + (23))] & 0x3f) << 8 | (power[(16 + (22))] & 0x3f))) |
3059 | (power[ATHN_POWER_HT20(22)] & 0x3f))(sc)->ops.write((sc), (0x0a3e8), ((power[(40 + (23))] & 0x3f) << 24 | (power[(40 + (22))] & 0x3f) << 16 | (power[(16 + (23))] & 0x3f) << 8 | (power[(16 + (22))] & 0x3f))); |
3060 | AR_WRITE(sc, AR_PHY_PWRTX_RATE12,(sc)->ops.write((sc), (0x0a3ec), ((power[(40 + (21))] & 0x3f) << 24 | (power[(40 + (20))] & 0x3f) << 16 | (power[(40 + (15))] & 0x3f) << 8 | (power[(40 + (14))] & 0x3f))) |
3061 | (power[ATHN_POWER_HT40(21)] & 0x3f) << 24 |(sc)->ops.write((sc), (0x0a3ec), ((power[(40 + (21))] & 0x3f) << 24 | (power[(40 + (20))] & 0x3f) << 16 | (power[(40 + (15))] & 0x3f) << 8 | (power[(40 + (14))] & 0x3f))) |
3062 | (power[ATHN_POWER_HT40(20)] & 0x3f) << 16 |(sc)->ops.write((sc), (0x0a3ec), ((power[(40 + (21))] & 0x3f) << 24 | (power[(40 + (20))] & 0x3f) << 16 | (power[(40 + (15))] & 0x3f) << 8 | (power[(40 + (14))] & 0x3f))) |
3063 | (power[ATHN_POWER_HT40(15)] & 0x3f) << 8 |(sc)->ops.write((sc), (0x0a3ec), ((power[(40 + (21))] & 0x3f) << 24 | (power[(40 + (20))] & 0x3f) << 16 | (power[(40 + (15))] & 0x3f) << 8 | (power[(40 + (14))] & 0x3f))) |
3064 | (power[ATHN_POWER_HT40(14)] & 0x3f))(sc)->ops.write((sc), (0x0a3ec), ((power[(40 + (21))] & 0x3f) << 24 | (power[(40 + (20))] & 0x3f) << 16 | (power[(40 + (15))] & 0x3f) << 8 | (power[(40 + (14))] & 0x3f))); |
3065 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3066 | } |
3067 | |
3068 | void |
3069 | ar9003_reset_rx_gain(struct athn_softc *sc, struct ieee80211_channel *c) |
3070 | { |
3071 | #define X(x) ((uint32_t)(x) << 2) |
3072 | const struct athn_gain *prog = sc->rx_gain; |
3073 | const uint32_t *pvals; |
3074 | int i; |
3075 | |
3076 | if (IEEE80211_IS_CHAN_2GHZ(c)(((c)->ic_flags & 0x0080) != 0)) |
3077 | pvals = prog->vals_2g; |
3078 | else |
3079 | pvals = prog->vals_5g; |
3080 | for (i = 0; i < prog->nregs; i++) |
3081 | AR_WRITE(sc, X(prog->regs[i]), pvals[i])(sc)->ops.write((sc), (X(prog->regs[i])), (pvals[i])); |
3082 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3083 | #undef X |
3084 | } |
3085 | |
3086 | void |
3087 | ar9003_reset_tx_gain(struct athn_softc *sc, struct ieee80211_channel *c) |
3088 | { |
3089 | #define X(x) ((uint32_t)(x) << 2) |
3090 | const struct athn_gain *prog = sc->tx_gain; |
3091 | const uint32_t *pvals; |
3092 | int i; |
3093 | |
3094 | if (IEEE80211_IS_CHAN_2GHZ(c)(((c)->ic_flags & 0x0080) != 0)) |
3095 | pvals = prog->vals_2g; |
3096 | else |
3097 | pvals = prog->vals_5g; |
3098 | for (i = 0; i < prog->nregs; i++) |
3099 | AR_WRITE(sc, X(prog->regs[i]), pvals[i])(sc)->ops.write((sc), (X(prog->regs[i])), (pvals[i])); |
3100 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3101 | #undef X |
3102 | } |
3103 | |
3104 | void |
3105 | ar9003_hw_init(struct athn_softc *sc, struct ieee80211_channel *c, |
3106 | struct ieee80211_channel *extc) |
3107 | { |
3108 | #define X(x) ((uint32_t)(x) << 2) |
3109 | struct athn_ops *ops = &sc->ops; |
3110 | const struct athn_ini *ini = sc->ini; |
3111 | const uint32_t *pvals; |
3112 | uint32_t reg; |
3113 | int i; |
3114 | |
3115 | /* |
3116 | * The common init values include the pre and core phases for the |
3117 | * SoC, MAC, BB and Radio subsystems. |
3118 | */ |
3119 | DPRINTFN(4, ("writing pre and core init vals\n")); |
3120 | for (i = 0; i < ini->ncmregs; i++) { |
3121 | AR_WRITE(sc, X(ini->cmregs[i]), ini->cmvals[i])(sc)->ops.write((sc), (X(ini->cmregs[i])), (ini->cmvals [i])); |
3122 | if (AR_IS_ANALOG_REG(X(ini->cmregs[i]))((X(ini->cmregs[i])) >= 0x16000 && (X(ini->cmregs [i])) <= 0x17000)) |
3123 | DELAY(100)(*delay_func)(100); |
3124 | if ((i & 0x1f) == 0) |
3125 | DELAY(1)(*delay_func)(1); |
3126 | } |
3127 | |
3128 | /* |
3129 | * The modal init values include the post phase for the SoC, MAC, |
3130 | * BB and Radio subsystems. |
3131 | */ |
3132 | if (extc != NULL((void *)0)) { |
3133 | if (IEEE80211_IS_CHAN_2GHZ(c)(((c)->ic_flags & 0x0080) != 0)) |
3134 | pvals = ini->vals_2g40; |
3135 | else |
3136 | pvals = ini->vals_5g40; |
3137 | } else { |
3138 | if (IEEE80211_IS_CHAN_2GHZ(c)(((c)->ic_flags & 0x0080) != 0)) |
3139 | pvals = ini->vals_2g20; |
3140 | else |
3141 | pvals = ini->vals_5g20; |
3142 | } |
3143 | DPRINTFN(4, ("writing post init vals\n")); |
3144 | for (i = 0; i < ini->nregs; i++) { |
3145 | AR_WRITE(sc, X(ini->regs[i]), pvals[i])(sc)->ops.write((sc), (X(ini->regs[i])), (pvals[i])); |
3146 | if (AR_IS_ANALOG_REG(X(ini->regs[i]))((X(ini->regs[i])) >= 0x16000 && (X(ini->regs [i])) <= 0x17000)) |
3147 | DELAY(100)(*delay_func)(100); |
3148 | if ((i & 0x1f) == 0) |
3149 | DELAY(1)(*delay_func)(1); |
3150 | } |
3151 | |
3152 | if (sc->rx_gain != NULL((void *)0)) |
3153 | ar9003_reset_rx_gain(sc, c); |
3154 | if (sc->tx_gain != NULL((void *)0)) |
3155 | ar9003_reset_tx_gain(sc, c); |
3156 | |
3157 | if (IEEE80211_IS_CHAN_5GHZ(c)(((c)->ic_flags & 0x0100) != 0) && |
3158 | (sc->flags & ATHN_FLAG_FAST_PLL_CLOCK(1 << 4))) { |
3159 | /* Update modal values for fast PLL clock. */ |
3160 | if (extc != NULL((void *)0)) |
3161 | pvals = ini->fastvals_5g40; |
3162 | else |
3163 | pvals = ini->fastvals_5g20; |
3164 | DPRINTFN(4, ("writing fast pll clock init vals\n")); |
3165 | for (i = 0; i < ini->nfastregs; i++) { |
3166 | AR_WRITE(sc, X(ini->fastregs[i]), pvals[i])(sc)->ops.write((sc), (X(ini->fastregs[i])), (pvals[i]) ); |
3167 | if (AR_IS_ANALOG_REG(X(ini->fastregs[i]))((X(ini->fastregs[i])) >= 0x16000 && (X(ini-> fastregs[i])) <= 0x17000)) |
3168 | DELAY(100)(*delay_func)(100); |
3169 | if ((i & 0x1f) == 0) |
3170 | DELAY(1)(*delay_func)(1); |
3171 | } |
3172 | } |
3173 | |
3174 | /* |
3175 | * Set the RX_ABORT and RX_DIS bits to prevent frames with corrupted |
3176 | * descriptor status. |
3177 | */ |
3178 | AR_SETBITS(sc, AR_DIAG_SW, AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT)(sc)->ops.write((sc), (0x8048), ((sc)->ops.read((sc), ( 0x8048)) | (0x00000020 | 0x02000000))); |
3179 | |
3180 | reg = AR_READ(sc, AR_PCU_MISC_MODE2)(sc)->ops.read((sc), (0x8344)); |
3181 | reg &= ~AR_PCU_MISC_MODE2_ADHOC_MCAST_KEYID_ENABLE0x00000040; |
3182 | reg |= AR_PCU_MISC_MODE2_AGG_WEP_ENABLE_FIX0x00000008; |
3183 | reg |= AR_PCU_MISC_MODE2_ENABLE_AGGWEP0x00020000; |
3184 | AR_WRITE(sc, AR_PCU_MISC_MODE2, reg)(sc)->ops.write((sc), (0x8344), (reg)); |
3185 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3186 | |
3187 | ar9003_set_phy(sc, c, extc); |
3188 | ar9003_init_chains(sc); |
3189 | |
3190 | ops->set_txpower(sc, c, extc); |
3191 | #undef X |
3192 | } |
3193 | |
3194 | void |
3195 | ar9003_get_lg_tpow(struct athn_softc *sc, struct ieee80211_channel *c, |
3196 | uint8_t ctl, const uint8_t *fbins, |
3197 | const struct ar_cal_target_power_leg *tgt, int nchans, uint8_t tpow[4]) |
3198 | { |
3199 | uint8_t fbin; |
3200 | int i, delta, lo, hi; |
3201 | |
3202 | lo = hi = -1; |
3203 | fbin = athn_chan2fbin(c); |
3204 | for (i = 0; i < nchans; i++) { |
3205 | delta = fbin - fbins[i]; |
3206 | /* Find the largest sample that is <= our frequency. */ |
3207 | if (delta >= 0 && (lo == -1 || delta < fbin - fbins[lo])) |
3208 | lo = i; |
3209 | /* Find the smallest sample that is >= our frequency. */ |
3210 | if (delta <= 0 && (hi == -1 || delta > fbin - fbins[hi])) |
3211 | hi = i; |
3212 | } |
3213 | if (lo == -1) |
3214 | lo = hi; |
3215 | else if (hi == -1) |
3216 | hi = lo; |
3217 | /* Interpolate values. */ |
3218 | for (i = 0; i < 4; i++) { |
3219 | tpow[i] = athn_interpolate(fbin, |
3220 | fbins[lo], tgt[lo].tPow2x[i], |
3221 | fbins[hi], tgt[hi].tPow2x[i]); |
3222 | } |
3223 | /* XXX Apply conformance test limit. */ |
3224 | } |
3225 | |
3226 | void |
3227 | ar9003_get_ht_tpow(struct athn_softc *sc, struct ieee80211_channel *c, |
3228 | uint8_t ctl, const uint8_t *fbins, |
3229 | const struct ar_cal_target_power_ht *tgt, int nchans, uint8_t tpow[14]) |
3230 | { |
3231 | uint8_t fbin; |
3232 | int i, delta, lo, hi; |
3233 | |
3234 | lo = hi = -1; |
3235 | fbin = athn_chan2fbin(c); |
3236 | for (i = 0; i < nchans; i++) { |
3237 | delta = fbin - fbins[i]; |
3238 | /* Find the largest sample that is <= our frequency. */ |
3239 | if (delta >= 0 && (lo == -1 || delta < fbin - fbins[lo])) |
3240 | lo = i; |
3241 | /* Find the smallest sample that is >= our frequency. */ |
3242 | if (delta <= 0 && (hi == -1 || delta > fbin - fbins[hi])) |
3243 | hi = i; |
3244 | } |
3245 | if (lo == -1) |
3246 | lo = hi; |
3247 | else if (hi == -1) |
3248 | hi = lo; |
3249 | /* Interpolate values. */ |
3250 | for (i = 0; i < 14; i++) { |
3251 | tpow[i] = athn_interpolate(fbin, |
3252 | fbins[lo], tgt[lo].tPow2x[i], |
3253 | fbins[hi], tgt[hi].tPow2x[i]); |
3254 | } |
3255 | /* XXX Apply conformance test limit. */ |
3256 | } |
3257 | |
3258 | /* |
3259 | * Adaptive noise immunity. |
3260 | */ |
3261 | void |
3262 | ar9003_set_noise_immunity_level(struct athn_softc *sc, int level) |
3263 | { |
3264 | int high = level == 4; |
3265 | uint32_t reg; |
3266 | |
3267 | reg = AR_READ(sc, AR_PHY_DESIRED_SZ)(sc)->ops.read((sc), (0x09e0c)); |
3268 | reg = RW(reg, AR_PHY_DESIRED_SZ_TOT_DES, high ? -62 : -55)(((reg) & ~0x0ff00000) | (((uint32_t)(high ? -62 : -55) << 20) & 0x0ff00000)); |
3269 | AR_WRITE(sc, AR_PHY_DESIRED_SZ, reg)(sc)->ops.write((sc), (0x09e0c), (reg)); |
3270 | |
3271 | reg = AR_READ(sc, AR_PHY_AGC)(sc)->ops.read((sc), (0x09e14)); |
3272 | reg = RW(reg, AR_PHY_AGC_COARSE_LOW, high ? -70 : -64)(((reg) & ~0x00007f80) | (((uint32_t)(high ? -70 : -64) << 7) & 0x00007f80)); |
3273 | reg = RW(reg, AR_PHY_AGC_COARSE_HIGH, high ? -12 : -14)(((reg) & ~0x003f8000) | (((uint32_t)(high ? -12 : -14) << 15) & 0x003f8000)); |
3274 | AR_WRITE(sc, AR_PHY_AGC, reg)(sc)->ops.write((sc), (0x09e14), (reg)); |
3275 | |
3276 | reg = AR_READ(sc, AR_PHY_FIND_SIG)(sc)->ops.read((sc), (0x09e10)); |
3277 | reg = RW(reg, AR_PHY_FIND_SIG_FIRPWR, high ? -80 : -78)(((reg) & ~0x03fc0000) | (((uint32_t)(high ? -80 : -78) << 18) & 0x03fc0000)); |
3278 | AR_WRITE(sc, AR_PHY_FIND_SIG, reg)(sc)->ops.write((sc), (0x09e10), (reg)); |
3279 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3280 | } |
3281 | |
3282 | void |
3283 | ar9003_enable_ofdm_weak_signal(struct athn_softc *sc) |
3284 | { |
3285 | uint32_t reg; |
3286 | |
3287 | reg = AR_READ(sc, AR_PHY_SFCORR_LOW)(sc)->ops.read((sc), (0x09828)); |
3288 | reg = RW(reg, AR_PHY_SFCORR_LOW_M1_THRESH_LOW, 50)(((reg) & ~0x001fc000) | (((uint32_t)(50) << 14) & 0x001fc000)); |
3289 | reg = RW(reg, AR_PHY_SFCORR_LOW_M2_THRESH_LOW, 40)(((reg) & ~0x0fe00000) | (((uint32_t)(40) << 21) & 0x0fe00000)); |
3290 | reg = RW(reg, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, 48)(((reg) & ~0x00003f00) | (((uint32_t)(48) << 8) & 0x00003f00)); |
3291 | AR_WRITE(sc, AR_PHY_SFCORR_LOW, reg)(sc)->ops.write((sc), (0x09828), (reg)); |
3292 | |
3293 | reg = AR_READ(sc, AR_PHY_SFCORR)(sc)->ops.read((sc), (0x09824)); |
3294 | reg = RW(reg, AR_PHY_SFCORR_M1_THRESH, 77)(((reg) & ~0x00fe0000) | (((uint32_t)(77) << 17) & 0x00fe0000)); |
3295 | reg = RW(reg, AR_PHY_SFCORR_M2_THRESH, 64)(((reg) & ~0x7f000000) | (((uint32_t)(64) << 24) & 0x7f000000)); |
3296 | reg = RW(reg, AR_PHY_SFCORR_M2COUNT_THR, 16)(((reg) & ~0x0000001f) | (((uint32_t)(16) << 0) & 0x0000001f)); |
3297 | AR_WRITE(sc, AR_PHY_SFCORR, reg)(sc)->ops.write((sc), (0x09824), (reg)); |
3298 | |
3299 | reg = AR_READ(sc, AR_PHY_SFCORR_EXT)(sc)->ops.read((sc), (0x0982c)); |
3300 | reg = RW(reg, AR_PHY_SFCORR_EXT_M1_THRESH_LOW, 50)(((reg) & ~0x001fc000) | (((uint32_t)(50) << 14) & 0x001fc000)); |
3301 | reg = RW(reg, AR_PHY_SFCORR_EXT_M2_THRESH_LOW, 40)(((reg) & ~0x0fe00000) | (((uint32_t)(40) << 21) & 0x0fe00000)); |
3302 | reg = RW(reg, AR_PHY_SFCORR_EXT_M1_THRESH, 77)(((reg) & ~0x0000007f) | (((uint32_t)(77) << 0) & 0x0000007f)); |
3303 | reg = RW(reg, AR_PHY_SFCORR_EXT_M2_THRESH, 64)(((reg) & ~0x00003f80) | (((uint32_t)(64) << 7) & 0x00003f80)); |
3304 | AR_WRITE(sc, AR_PHY_SFCORR_EXT, reg)(sc)->ops.write((sc), (0x0982c), (reg)); |
3305 | |
3306 | AR_SETBITS(sc, AR_PHY_SFCORR_LOW,(sc)->ops.write((sc), (0x09828), ((sc)->ops.read((sc), ( 0x09828)) | (0x00000001))) |
3307 | AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW)(sc)->ops.write((sc), (0x09828), ((sc)->ops.read((sc), ( 0x09828)) | (0x00000001))); |
3308 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3309 | } |
3310 | |
3311 | void |
3312 | ar9003_disable_ofdm_weak_signal(struct athn_softc *sc) |
3313 | { |
3314 | uint32_t reg; |
3315 | |
3316 | reg = AR_READ(sc, AR_PHY_SFCORR_LOW)(sc)->ops.read((sc), (0x09828)); |
3317 | reg = RW(reg, AR_PHY_SFCORR_LOW_M1_THRESH_LOW, 127)(((reg) & ~0x001fc000) | (((uint32_t)(127) << 14) & 0x001fc000)); |
3318 | reg = RW(reg, AR_PHY_SFCORR_LOW_M2_THRESH_LOW, 127)(((reg) & ~0x0fe00000) | (((uint32_t)(127) << 21) & 0x0fe00000)); |
3319 | reg = RW(reg, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, 63)(((reg) & ~0x00003f00) | (((uint32_t)(63) << 8) & 0x00003f00)); |
3320 | AR_WRITE(sc, AR_PHY_SFCORR_LOW, reg)(sc)->ops.write((sc), (0x09828), (reg)); |
3321 | |
3322 | reg = AR_READ(sc, AR_PHY_SFCORR)(sc)->ops.read((sc), (0x09824)); |
3323 | reg = RW(reg, AR_PHY_SFCORR_M1_THRESH, 127)(((reg) & ~0x00fe0000) | (((uint32_t)(127) << 17) & 0x00fe0000)); |
3324 | reg = RW(reg, AR_PHY_SFCORR_M2_THRESH, 127)(((reg) & ~0x7f000000) | (((uint32_t)(127) << 24) & 0x7f000000)); |
3325 | reg = RW(reg, AR_PHY_SFCORR_M2COUNT_THR, 31)(((reg) & ~0x0000001f) | (((uint32_t)(31) << 0) & 0x0000001f)); |
3326 | AR_WRITE(sc, AR_PHY_SFCORR, reg)(sc)->ops.write((sc), (0x09824), (reg)); |
3327 | |
3328 | reg = AR_READ(sc, AR_PHY_SFCORR_EXT)(sc)->ops.read((sc), (0x0982c)); |
3329 | reg = RW(reg, AR_PHY_SFCORR_EXT_M1_THRESH_LOW, 127)(((reg) & ~0x001fc000) | (((uint32_t)(127) << 14) & 0x001fc000)); |
3330 | reg = RW(reg, AR_PHY_SFCORR_EXT_M2_THRESH_LOW, 127)(((reg) & ~0x0fe00000) | (((uint32_t)(127) << 21) & 0x0fe00000)); |
3331 | reg = RW(reg, AR_PHY_SFCORR_EXT_M1_THRESH, 127)(((reg) & ~0x0000007f) | (((uint32_t)(127) << 0) & 0x0000007f)); |
3332 | reg = RW(reg, AR_PHY_SFCORR_EXT_M2_THRESH, 127)(((reg) & ~0x00003f80) | (((uint32_t)(127) << 7) & 0x00003f80)); |
3333 | AR_WRITE(sc, AR_PHY_SFCORR_EXT, reg)(sc)->ops.write((sc), (0x0982c), (reg)); |
3334 | |
3335 | AR_CLRBITS(sc, AR_PHY_SFCORR_LOW,(sc)->ops.write((sc), (0x09828), ((sc)->ops.read((sc), ( 0x09828)) & ~(0x00000001))) |
3336 | AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW)(sc)->ops.write((sc), (0x09828), ((sc)->ops.read((sc), ( 0x09828)) & ~(0x00000001))); |
3337 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3338 | } |
3339 | |
3340 | void |
3341 | ar9003_set_cck_weak_signal(struct athn_softc *sc, int high) |
3342 | { |
3343 | uint32_t reg; |
3344 | |
3345 | reg = AR_READ(sc, AR_PHY_CCK_DETECT)(sc)->ops.read((sc), (0x09fc0)); |
3346 | reg = RW(reg, AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK, high ? 6 : 8)(((reg) & ~0x0000003f) | (((uint32_t)(high ? 6 : 8) << 0) & 0x0000003f)); |
3347 | AR_WRITE(sc, AR_PHY_CCK_DETECT, reg)(sc)->ops.write((sc), (0x09fc0), (reg)); |
3348 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3349 | } |
3350 | |
3351 | void |
3352 | ar9003_set_firstep_level(struct athn_softc *sc, int level) |
3353 | { |
3354 | uint32_t reg; |
3355 | |
3356 | reg = AR_READ(sc, AR_PHY_FIND_SIG)(sc)->ops.read((sc), (0x09e10)); |
3357 | reg = RW(reg, AR_PHY_FIND_SIG_FIRSTEP, level * 4)(((reg) & ~0x0003f000) | (((uint32_t)(level * 4) << 12) & 0x0003f000)); |
3358 | AR_WRITE(sc, AR_PHY_FIND_SIG, reg)(sc)->ops.write((sc), (0x09e10), (reg)); |
3359 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3360 | } |
3361 | |
3362 | void |
3363 | ar9003_set_spur_immunity_level(struct athn_softc *sc, int level) |
3364 | { |
3365 | uint32_t reg; |
3366 | |
3367 | reg = AR_READ(sc, AR_PHY_TIMING5)(sc)->ops.read((sc), (0x09810)); |
3368 | reg = RW(reg, AR_PHY_TIMING5_CYCPWR_THR1, (level + 1) * 2)(((reg) & ~0x000000fe) | (((uint32_t)((level + 1) * 2) << 1) & 0x000000fe)); |
3369 | AR_WRITE(sc, AR_PHY_TIMING5, reg)(sc)->ops.write((sc), (0x09810), (reg)); |
3370 | AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc)); |
3371 | } |