xref: /linux/drivers/staging/rtl8712/rtl871x_mp.c (revision 564eb714f5f09ac733c26860d5f0831f213fbdf1)
1 /******************************************************************************
2  *
3  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17  *
18  * Modifications for inclusion into the Linux staging tree are
19  * Copyright(c) 2010 Larry Finger. All rights reserved.
20  *
21  * Contact information:
22  * WLAN FAE <wlanfae@realtek.com>
23  * Larry Finger <Larry.Finger@lwfinger.net>
24  *
25  ******************************************************************************/
26 #define _RTL871X_MP_C_
27 
28 #include "osdep_service.h"
29 #include "drv_types.h"
30 #include "rtl871x_mp_phy_regdef.h"
31 #include "rtl8712_cmd.h"
32 
33 static void _init_mp_priv_(struct mp_priv *pmp_priv)
34 {
35 	pmp_priv->mode = _LOOPBOOK_MODE_;
36 	pmp_priv->curr_ch = 1;
37 	pmp_priv->curr_modem = MIXED_PHY;
38 	pmp_priv->curr_rateidx = 0;
39 	pmp_priv->curr_txpoweridx = 0x14;
40 	pmp_priv->antenna_tx = ANTENNA_A;
41 	pmp_priv->antenna_rx = ANTENNA_AB;
42 	pmp_priv->check_mp_pkt = 0;
43 	pmp_priv->tx_pktcount = 0;
44 	pmp_priv->rx_pktcount = 0;
45 	pmp_priv->rx_crcerrpktcount = 0;
46 }
47 
48 static int init_mp_priv(struct mp_priv *pmp_priv)
49 {
50 	int i, res;
51 	struct mp_xmit_frame *pmp_xmitframe;
52 
53 	_init_mp_priv_(pmp_priv);
54 	_init_queue(&pmp_priv->free_mp_xmitqueue);
55 	pmp_priv->pallocated_mp_xmitframe_buf = NULL;
56 	pmp_priv->pallocated_mp_xmitframe_buf = _malloc(NR_MP_XMITFRAME *
57 					 sizeof(struct mp_xmit_frame) + 4);
58 	if (pmp_priv->pallocated_mp_xmitframe_buf == NULL) {
59 		res = _FAIL;
60 		goto _exit_init_mp_priv;
61 	}
62 	pmp_priv->pmp_xmtframe_buf = pmp_priv->pallocated_mp_xmitframe_buf +
63 			 4 -
64 			 ((addr_t)(pmp_priv->pallocated_mp_xmitframe_buf) & 3);
65 	pmp_xmitframe = (struct mp_xmit_frame *)pmp_priv->pmp_xmtframe_buf;
66 	for (i = 0; i < NR_MP_XMITFRAME; i++) {
67 		_init_listhead(&(pmp_xmitframe->list));
68 		list_insert_tail(&(pmp_xmitframe->list),
69 				 &(pmp_priv->free_mp_xmitqueue.queue));
70 		pmp_xmitframe->pkt = NULL;
71 		pmp_xmitframe->frame_tag = MP_FRAMETAG;
72 		pmp_xmitframe->padapter = pmp_priv->papdater;
73 		pmp_xmitframe++;
74 	}
75 	pmp_priv->free_mp_xmitframe_cnt = NR_MP_XMITFRAME;
76 	res = _SUCCESS;
77 _exit_init_mp_priv:
78 	return res;
79 }
80 
81 static int free_mp_priv(struct mp_priv *pmp_priv)
82 {
83 	int res = 0;
84 	kfree(pmp_priv->pallocated_mp_xmitframe_buf);
85 	return res;
86 }
87 
88 void mp871xinit(struct _adapter *padapter)
89 {
90 	struct mp_priv *pmppriv = &padapter->mppriv;
91 
92 	pmppriv->papdater = padapter;
93 	init_mp_priv(pmppriv);
94 }
95 
96 void mp871xdeinit(struct _adapter *padapter)
97 {
98 	struct mp_priv *pmppriv = &padapter->mppriv;
99 
100 	free_mp_priv(pmppriv);
101 }
102 
103 /*
104  * Special for bb and rf reg read/write
105  */
106 static u32 fw_iocmd_read(struct _adapter *pAdapter, struct IOCMD_STRUCT iocmd)
107 {
108 	u32 cmd32 = 0, val32 = 0;
109 	u8 iocmd_class	= iocmd.cmdclass;
110 	u16 iocmd_value	= iocmd.value;
111 	u8 iocmd_idx	= iocmd.index;
112 
113 	cmd32 = (iocmd_class << 24) | (iocmd_value << 8) | iocmd_idx;
114 	if (r8712_fw_cmd(pAdapter, cmd32))
115 		r8712_fw_cmd_data(pAdapter, &val32, 1);
116 	else
117 		val32 = 0;
118 	return val32;
119 }
120 
121 static u8 fw_iocmd_write(struct _adapter *pAdapter,
122 			 struct IOCMD_STRUCT iocmd, u32 value)
123 {
124 	u32 cmd32 = 0;
125 	u8 iocmd_class	= iocmd.cmdclass;
126 	u32 iocmd_value	= iocmd.value;
127 	u8 iocmd_idx	= iocmd.index;
128 
129 	r8712_fw_cmd_data(pAdapter, &value, 0);
130 	msleep(100);
131 	cmd32 = (iocmd_class << 24) | (iocmd_value << 8) | iocmd_idx;
132 	return r8712_fw_cmd(pAdapter, cmd32);
133 }
134 
135 /* offset : 0X800~0XFFF */
136 u32 r8712_bb_reg_read(struct _adapter *pAdapter, u16 offset)
137 {
138 	u8 shift = offset & 0x0003;	/* 4 byte access */
139 	u16 bb_addr = offset & 0x0FFC;	/* 4 byte access */
140 	u32 bb_val = 0;
141 	struct IOCMD_STRUCT iocmd;
142 
143 	iocmd.cmdclass	= IOCMD_CLASS_BB_RF;
144 	iocmd.value	= bb_addr;
145 	iocmd.index	= IOCMD_BB_READ_IDX;
146 	bb_val = fw_iocmd_read(pAdapter, iocmd);
147 	if (shift != 0) {
148 		u32 bb_val2 = 0;
149 		bb_val >>= (shift * 8);
150 		iocmd.value += 4;
151 		bb_val2 = fw_iocmd_read(pAdapter, iocmd);
152 		bb_val2 <<= ((4 - shift) * 8);
153 		bb_val |= bb_val2;
154 	}
155 	return bb_val;
156 }
157 
158 /* offset : 0X800~0XFFF */
159 u8 r8712_bb_reg_write(struct _adapter *pAdapter, u16 offset, u32 value)
160 {
161 	u8 shift = offset & 0x0003;	/* 4 byte access */
162 	u16 bb_addr = offset & 0x0FFC;	/* 4 byte access */
163 	struct IOCMD_STRUCT iocmd;
164 
165 	iocmd.cmdclass	= IOCMD_CLASS_BB_RF;
166 	iocmd.value	= bb_addr;
167 	iocmd.index	= IOCMD_BB_WRITE_IDX;
168 	if (shift != 0) {
169 		u32 oldValue = 0;
170 		u32 newValue = value;
171 
172 		oldValue = r8712_bb_reg_read(pAdapter, iocmd.value);
173 		oldValue &= (0xFFFFFFFF >> ((4 - shift) * 8));
174 		value = oldValue | (newValue << (shift * 8));
175 		if (fw_iocmd_write(pAdapter, iocmd, value) == false)
176 			return false;
177 		iocmd.value += 4;
178 		oldValue = r8712_bb_reg_read(pAdapter, iocmd.value);
179 		oldValue &= (0xFFFFFFFF << (shift * 8));
180 		value = oldValue | (newValue >> ((4 - shift) * 8));
181 	}
182 	return fw_iocmd_write(pAdapter, iocmd, value);
183 }
184 
185 /* offset : 0x00 ~ 0xFF */
186 u32 r8712_rf_reg_read(struct _adapter *pAdapter, u8 path, u8 offset)
187 {
188 	u16 rf_addr = (path << 8) | offset;
189 	u32 rf_data;
190 	struct IOCMD_STRUCT iocmd;
191 
192 	iocmd.cmdclass	= IOCMD_CLASS_BB_RF;
193 	iocmd.value	= rf_addr;
194 	iocmd.index	= IOCMD_RF_READ_IDX;
195 	rf_data = fw_iocmd_read(pAdapter, iocmd);
196 	return rf_data;
197 }
198 
199 u8 r8712_rf_reg_write(struct _adapter *pAdapter, u8 path, u8 offset, u32 value)
200 {
201 	u16 rf_addr = (path << 8) | offset;
202 	struct IOCMD_STRUCT iocmd;
203 
204 	iocmd.cmdclass	= IOCMD_CLASS_BB_RF;
205 	iocmd.value	= rf_addr;
206 	iocmd.index	= IOCMD_RF_WRIT_IDX;
207 	return fw_iocmd_write(pAdapter, iocmd, value);
208 }
209 
210 static u32 bitshift(u32 bitmask)
211 {
212 	u32 i;
213 
214 	for (i = 0; i <= 31; i++)
215 		if (((bitmask>>i) &  0x1) == 1)
216 			break;
217 	return i;
218 }
219 
220 static u32 get_bb_reg(struct _adapter *pAdapter, u16 offset, u32 bitmask)
221 {
222 	u32 org_value, bit_shift, new_value;
223 
224 	org_value = r8712_bb_reg_read(pAdapter, offset);
225 	bit_shift = bitshift(bitmask);
226 	new_value = (org_value & bitmask) >> bit_shift;
227 	return new_value;
228 }
229 
230 static u8 set_bb_reg(struct _adapter *pAdapter,
231 		     u16 offset,
232 		     u32 bitmask,
233 		     u32 value)
234 {
235 	u32 org_value, bit_shift, new_value;
236 
237 	if (bitmask != bMaskDWord) {
238 		org_value = r8712_bb_reg_read(pAdapter, offset);
239 		bit_shift = bitshift(bitmask);
240 		new_value = ((org_value & (~bitmask)) | (value << bit_shift));
241 	} else
242 		new_value = value;
243 	return r8712_bb_reg_write(pAdapter, offset, new_value);
244 }
245 
246 static u32 get_rf_reg(struct _adapter *pAdapter, u8 path, u8 offset,
247 		      u32 bitmask)
248 {
249 	u32 org_value, bit_shift, new_value;
250 
251 	org_value = r8712_rf_reg_read(pAdapter, path, offset);
252 	bit_shift = bitshift(bitmask);
253 	new_value = (org_value & bitmask) >> bit_shift;
254 	return new_value;
255 }
256 
257 static u8 set_rf_reg(struct _adapter *pAdapter, u8 path, u8 offset, u32 bitmask,
258 	      u32 value)
259 {
260 	u32 org_value, bit_shift, new_value;
261 
262 	if (bitmask != bMaskDWord) {
263 		org_value = r8712_rf_reg_read(pAdapter, path, offset);
264 		bit_shift = bitshift(bitmask);
265 		new_value = ((org_value & (~bitmask)) | (value << bit_shift));
266 	} else
267 		new_value = value;
268 	return r8712_rf_reg_write(pAdapter, path, offset, new_value);
269 }
270 
271 /*
272  * SetChannel
273  * Description
274  *	Use H2C command to change channel,
275  *	not only modify rf register, but also other setting need to be done.
276  */
277 void r8712_SetChannel(struct _adapter *pAdapter)
278 {
279 	struct cmd_priv *pcmdpriv = &pAdapter->cmdpriv;
280 	struct cmd_obj *pcmd = NULL;
281 	struct SetChannel_parm *pparm = NULL;
282 	u16 code = GEN_CMD_CODE(_SetChannel);
283 
284 	pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
285 	if (pcmd == NULL)
286 		return;
287 	pparm = (struct SetChannel_parm *)_malloc(sizeof(struct
288 					 SetChannel_parm));
289 	if (pparm == NULL) {
290 		kfree(pcmd);
291 		return;
292 	}
293 	pparm->curr_ch = pAdapter->mppriv.curr_ch;
294 	init_h2fwcmd_w_parm_no_rsp(pcmd, pparm, code);
295 	r8712_enqueue_cmd(pcmdpriv, pcmd);
296 }
297 
298 static void SetCCKTxPower(struct _adapter *pAdapter, u8 TxPower)
299 {
300 	u16 TxAGC = 0;
301 
302 	TxAGC = TxPower;
303 	set_bb_reg(pAdapter, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
304 }
305 
306 static void SetOFDMTxPower(struct _adapter *pAdapter, u8 TxPower)
307 {
308 	u32 TxAGC = 0;
309 
310 	TxAGC |= ((TxPower<<24)|(TxPower<<16)|(TxPower<<8)|TxPower);
311 	set_bb_reg(pAdapter, rTxAGC_Rate18_06, bTxAGCRate18_06, TxAGC);
312 	set_bb_reg(pAdapter, rTxAGC_Rate54_24, bTxAGCRate54_24, TxAGC);
313 	set_bb_reg(pAdapter, rTxAGC_Mcs03_Mcs00, bTxAGCRateMCS3_MCS0, TxAGC);
314 	set_bb_reg(pAdapter, rTxAGC_Mcs07_Mcs04, bTxAGCRateMCS7_MCS4, TxAGC);
315 	set_bb_reg(pAdapter, rTxAGC_Mcs11_Mcs08, bTxAGCRateMCS11_MCS8, TxAGC);
316 	set_bb_reg(pAdapter, rTxAGC_Mcs15_Mcs12, bTxAGCRateMCS15_MCS12, TxAGC);
317 }
318 
319 void r8712_SetTxPower(struct _adapter *pAdapter)
320 {
321 	u8 TxPower = pAdapter->mppriv.curr_txpoweridx;
322 	SetCCKTxPower(pAdapter, TxPower);
323 	SetOFDMTxPower(pAdapter, TxPower);
324 }
325 
326 void r8712_SetTxAGCOffset(struct _adapter *pAdapter, u32 ulTxAGCOffset)
327 {
328 	u32 TxAGCOffset_B, TxAGCOffset_C, TxAGCOffset_D, tmpAGC;
329 
330 	TxAGCOffset_B = (ulTxAGCOffset&0x000000ff);
331 	TxAGCOffset_C = ((ulTxAGCOffset&0x0000ff00)>>8);
332 	TxAGCOffset_D = ((ulTxAGCOffset&0x00ff0000)>>16);
333 	tmpAGC = (TxAGCOffset_D<<8 | TxAGCOffset_C<<4 | TxAGCOffset_B);
334 	set_bb_reg(pAdapter, rFPGA0_TxGainStage,
335 			(bXBTxAGC|bXCTxAGC|bXDTxAGC), tmpAGC);
336 }
337 
338 void r8712_SetDataRate(struct _adapter *pAdapter)
339 {
340 	u8 path = RF_PATH_A;
341 	u8 offset = RF_SYN_G2;
342 	u32 value;
343 
344 	value = (pAdapter->mppriv.curr_rateidx < 4) ? 0x4440 : 0xF200;
345 	r8712_rf_reg_write(pAdapter, path, offset, value);
346 }
347 
348 void r8712_SwitchBandwidth(struct _adapter *pAdapter)
349 {
350 	/* 3 1.Set MAC register : BWOPMODE  bit2:1 20MhzBW */
351 	u8 regBwOpMode = 0;
352 	u8 Bandwidth = pAdapter->mppriv.curr_bandwidth;
353 
354 	regBwOpMode = r8712_read8(pAdapter, 0x10250203);
355 	if (Bandwidth == HT_CHANNEL_WIDTH_20)
356 		regBwOpMode |= BIT(2);
357 	else
358 		regBwOpMode &= ~(BIT(2));
359 	r8712_write8(pAdapter, 0x10250203, regBwOpMode);
360 	/* 3 2.Set PHY related register */
361 	switch (Bandwidth) {
362 	/* 20 MHz channel*/
363 	case HT_CHANNEL_WIDTH_20:
364 		set_bb_reg(pAdapter, rFPGA0_RFMOD, bRFMOD, 0x0);
365 		set_bb_reg(pAdapter, rFPGA1_RFMOD, bRFMOD, 0x0);
366 		/* Use PHY_REG.txt default value. Do not need to change.
367 		 * Correct the tx power for CCK rate in 40M.
368 		 * It is set in Tx descriptor for 8192x series
369 		 */
370 		set_bb_reg(pAdapter, rFPGA0_AnalogParameter2, bMaskDWord, 0x58);
371 		break;
372 	/* 40 MHz channel*/
373 	case HT_CHANNEL_WIDTH_40:
374 		set_bb_reg(pAdapter, rFPGA0_RFMOD, bRFMOD, 0x1);
375 		set_bb_reg(pAdapter, rFPGA1_RFMOD, bRFMOD, 0x1);
376 		/* Use PHY_REG.txt default value. Do not need to change.
377 		 * Correct the tx power for CCK rate in 40M.
378 		 * Set Control channel to upper or lower. These settings are
379 		 * required only for 40MHz */
380 		set_bb_reg(pAdapter, rCCK0_System, bCCKSideBand,
381 			   (HAL_PRIME_CHNL_OFFSET_DONT_CARE>>1));
382 		set_bb_reg(pAdapter, rOFDM1_LSTF, 0xC00,
383 			   HAL_PRIME_CHNL_OFFSET_DONT_CARE);
384 		set_bb_reg(pAdapter, rFPGA0_AnalogParameter2, bMaskDWord, 0x18);
385 		break;
386 	default:
387 		break;
388 	}
389 
390 	/* 3 3.Set RF related register */
391 	switch (Bandwidth) {
392 	case HT_CHANNEL_WIDTH_20:
393 		set_rf_reg(pAdapter, RF_PATH_A, RF_CHNLBW,
394 			   BIT(10) | BIT(11), 0x01);
395 		break;
396 	case HT_CHANNEL_WIDTH_40:
397 		set_rf_reg(pAdapter, RF_PATH_A, RF_CHNLBW,
398 			   BIT(10) | BIT(11), 0x00);
399 		break;
400 	default:
401 		break;
402 	}
403 }
404 /*------------------------------Define structure----------------------------*/
405 struct R_ANTENNA_SELECT_OFDM {
406 	u32	r_tx_antenna:4;
407 	u32	r_ant_l:4;
408 	u32	r_ant_non_ht:4;
409 	u32	r_ant_ht1:4;
410 	u32	r_ant_ht2:4;
411 	u32	r_ant_ht_s1:4;
412 	u32	r_ant_non_ht_s1:4;
413 	u32	OFDM_TXSC:2;
414 	u32	Reserved:2;
415 };
416 
417 struct R_ANTENNA_SELECT_CCK {
418 	u8	r_cckrx_enable_2:2;
419 	u8	r_cckrx_enable:2;
420 	u8	r_ccktx_enable:4;
421 };
422 
423 void r8712_SwitchAntenna(struct _adapter *pAdapter)
424 {
425 	u32	ofdm_tx_en_val = 0, ofdm_tx_ant_sel_val = 0;
426 	u8	ofdm_rx_ant_sel_val = 0;
427 	u8	cck_ant_select_val = 0;
428 	u32	cck_ant_sel_val = 0;
429 	struct R_ANTENNA_SELECT_CCK *p_cck_txrx;
430 
431 	p_cck_txrx = (struct R_ANTENNA_SELECT_CCK *)&cck_ant_select_val;
432 
433 	switch (pAdapter->mppriv.antenna_tx) {
434 	case ANTENNA_A:
435 		/* From SD3 Willis suggestion !!! Set RF A=TX and B as standby*/
436 		set_bb_reg(pAdapter, rFPGA0_XA_HSSIParameter2, 0xe, 2);
437 		set_bb_reg(pAdapter, rFPGA0_XB_HSSIParameter2, 0xe, 1);
438 		ofdm_tx_en_val = 0x3;
439 		ofdm_tx_ant_sel_val = 0x11111111;/* Power save */
440 		p_cck_txrx->r_ccktx_enable = 0x8;
441 		break;
442 	case ANTENNA_B:
443 		set_bb_reg(pAdapter, rFPGA0_XA_HSSIParameter2, 0xe, 1);
444 		set_bb_reg(pAdapter, rFPGA0_XB_HSSIParameter2, 0xe, 2);
445 		ofdm_tx_en_val = 0x3;
446 		ofdm_tx_ant_sel_val = 0x22222222;/* Power save */
447 		p_cck_txrx->r_ccktx_enable = 0x4;
448 		break;
449 	case ANTENNA_AB:	/* For 8192S */
450 		set_bb_reg(pAdapter, rFPGA0_XA_HSSIParameter2, 0xe, 2);
451 		set_bb_reg(pAdapter, rFPGA0_XB_HSSIParameter2, 0xe, 2);
452 		ofdm_tx_en_val = 0x3;
453 		ofdm_tx_ant_sel_val = 0x3321333; /* Disable Power save */
454 		p_cck_txrx->r_ccktx_enable = 0xC;
455 		break;
456 	default:
457 		break;
458 	}
459 	/*OFDM Tx*/
460 	set_bb_reg(pAdapter, rFPGA1_TxInfo, 0xffffffff, ofdm_tx_ant_sel_val);
461 	/*OFDM Tx*/
462 	set_bb_reg(pAdapter, rFPGA0_TxInfo, 0x0000000f, ofdm_tx_en_val);
463 	switch (pAdapter->mppriv.antenna_rx) {
464 	case ANTENNA_A:
465 		ofdm_rx_ant_sel_val = 0x1;	/* A */
466 		p_cck_txrx->r_cckrx_enable = 0x0; /* default: A */
467 		p_cck_txrx->r_cckrx_enable_2 = 0x0; /* option: A */
468 		break;
469 	case ANTENNA_B:
470 		ofdm_rx_ant_sel_val = 0x2;	/* B */
471 		p_cck_txrx->r_cckrx_enable = 0x1; /* default: B */
472 		p_cck_txrx->r_cckrx_enable_2 = 0x1; /* option: B */
473 		break;
474 	case ANTENNA_AB:
475 		ofdm_rx_ant_sel_val = 0x3; /* AB */
476 		p_cck_txrx->r_cckrx_enable = 0x0; /* default:A */
477 		p_cck_txrx->r_cckrx_enable_2 = 0x1; /* option:B */
478 		break;
479 	default:
480 		break;
481 	}
482 	/*OFDM Rx*/
483 	set_bb_reg(pAdapter, rOFDM0_TRxPathEnable, 0x0000000f,
484 		   ofdm_rx_ant_sel_val);
485 	/*OFDM Rx*/
486 	set_bb_reg(pAdapter, rOFDM1_TRxPathEnable, 0x0000000f,
487 		   ofdm_rx_ant_sel_val);
488 
489 	cck_ant_sel_val = cck_ant_select_val;
490 	/*CCK TxRx*/
491 	set_bb_reg(pAdapter, rCCK0_AFESetting, bMaskByte3, cck_ant_sel_val);
492 }
493 
494 void r8712_SetCrystalCap(struct _adapter *pAdapter)
495 {
496 	set_bb_reg(pAdapter, rFPGA0_AnalogParameter1, bXtalCap,
497 		   pAdapter->mppriv.curr_crystalcap);
498 }
499 
500 static void TriggerRFThermalMeter(struct _adapter *pAdapter)
501 {
502 	/* 0x24: RF Reg[6:5] */
503 	set_rf_reg(pAdapter, RF_PATH_A, RF_T_METER, bRFRegOffsetMask, 0x60);
504 }
505 
506 static u32 ReadRFThermalMeter(struct _adapter *pAdapter)
507 {
508 	u32 ThermalValue = 0;
509 
510 	/* 0x24: RF Reg[4:0] */
511 	ThermalValue = get_rf_reg(pAdapter, RF_PATH_A, RF_T_METER, 0x1F);
512 	return ThermalValue;
513 }
514 
515 void r8712_GetThermalMeter(struct _adapter *pAdapter, u32 *value)
516 {
517 	TriggerRFThermalMeter(pAdapter);
518 	msleep(1000);
519 	*value = ReadRFThermalMeter(pAdapter);
520 }
521 
522 void r8712_SetSingleCarrierTx(struct _adapter *pAdapter, u8 bStart)
523 {
524 	if (bStart) { /* Start Single Carrier. */
525 		/* 1. if OFDM block on? */
526 		if (!get_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn))
527 			/*set OFDM block on*/
528 			set_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn, bEnable);
529 		/* 2. set CCK test mode off, set to CCK normal mode */
530 		set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, bDisable);
531 		/* 3. turn on scramble setting */
532 		set_bb_reg(pAdapter, rCCK0_System, bCCKScramble, bEnable);
533 		/* 4. Turn On Single Carrier Tx and off the other test modes. */
534 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bDisable);
535 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier, bEnable);
536 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
537 	} else { /* Stop Single Carrier.*/
538 		/* Turn off all test modes.*/
539 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bDisable);
540 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier,
541 			   bDisable);
542 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
543 		msleep(20);
544 		/*BB Reset*/
545 		set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x0);
546 		set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x1);
547 	}
548 }
549 
550 void r8712_SetSingleToneTx(struct _adapter *pAdapter, u8 bStart)
551 {
552 	u8 rfPath = pAdapter->mppriv.curr_rfpath;
553 	switch (pAdapter->mppriv.antenna_tx) {
554 	case ANTENNA_B:
555 		rfPath = RF_PATH_B;
556 		break;
557 	case ANTENNA_A:
558 	default:
559 		rfPath = RF_PATH_A;
560 		break;
561 	}
562 	if (bStart) { /* Start Single Tone.*/
563 		set_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn, bDisable);
564 		set_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn, bDisable);
565 		set_rf_reg(pAdapter, rfPath, RF_TX_G2, bRFRegOffsetMask,
566 			   0xd4000);
567 		msleep(100);
568 		/* PAD all on.*/
569 		set_rf_reg(pAdapter, rfPath, RF_AC, bRFRegOffsetMask, 0x2001f);
570 		msleep(100);
571 	} else { /* Stop Single Tone.*/
572 		set_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn, bEnable);
573 		set_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn, bEnable);
574 		set_rf_reg(pAdapter, rfPath, RF_TX_G2, bRFRegOffsetMask,
575 			   0x54000);
576 		msleep(100);
577 		/* PAD all on.*/
578 		set_rf_reg(pAdapter, rfPath, RF_AC, bRFRegOffsetMask, 0x30000);
579 		msleep(100);
580 	}
581 }
582 
583 void r8712_SetCarrierSuppressionTx(struct _adapter *pAdapter, u8 bStart)
584 {
585 	if (bStart) { /* Start Carrier Suppression.*/
586 		if (pAdapter->mppriv.curr_rateidx <= MPT_RATE_11M) {
587 			/* 1. if CCK block on? */
588 			if (!get_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn)) {
589 				/*set CCK block on*/
590 				set_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn,
591 					   bEnable);
592 			}
593 			/* Turn Off All Test Mode */
594 			set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx,
595 				   bDisable);
596 			set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier,
597 				   bDisable);
598 			set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone,
599 				   bDisable);
600 			/*transmit mode*/
601 			set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, 0x2);
602 			/*turn off scramble setting*/
603 			set_bb_reg(pAdapter, rCCK0_System, bCCKScramble,
604 				   bDisable);
605 			/*Set CCK Tx Test Rate*/
606 			/*Set FTxRate to 1Mbps*/
607 			set_bb_reg(pAdapter, rCCK0_System, bCCKTxRate, 0x0);
608 		}
609 	} else { /* Stop Carrier Suppression. */
610 		if (pAdapter->mppriv.curr_rateidx <= MPT_RATE_11M) {
611 			/*normal mode*/
612 			set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, 0x0);
613 			/*turn on scramble setting*/
614 			set_bb_reg(pAdapter, rCCK0_System, bCCKScramble,
615 				   bEnable);
616 			/*BB Reset*/
617 			set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x0);
618 			set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x1);
619 		}
620 	}
621 }
622 
623 static void SetCCKContinuousTx(struct _adapter *pAdapter, u8 bStart)
624 {
625 	u32 cckrate;
626 
627 	if (bStart) {
628 		/* 1. if CCK block on? */
629 		if (!get_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn)) {
630 			/*set CCK block on*/
631 			set_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn, bEnable);
632 		}
633 		/* Turn Off All Test Mode */
634 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bDisable);
635 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier, bDisable);
636 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
637 		/*Set CCK Tx Test Rate*/
638 		cckrate  = pAdapter->mppriv.curr_rateidx;
639 		set_bb_reg(pAdapter, rCCK0_System, bCCKTxRate, cckrate);
640 		/*transmit mode*/
641 		set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, 0x2);
642 		/*turn on scramble setting*/
643 		set_bb_reg(pAdapter, rCCK0_System, bCCKScramble, bEnable);
644 	} else {
645 		/*normal mode*/
646 		set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, 0x0);
647 		/*turn on scramble setting*/
648 		set_bb_reg(pAdapter, rCCK0_System, bCCKScramble, bEnable);
649 		/*BB Reset*/
650 		set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x0);
651 		set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x1);
652 	}
653 } /* mpt_StartCckContTx */
654 
655 static void SetOFDMContinuousTx(struct _adapter *pAdapter, u8 bStart)
656 {
657 	if (bStart) {
658 		/* 1. if OFDM block on? */
659 		if (!get_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn)) {
660 			/*set OFDM block on*/
661 			set_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn, bEnable);
662 		}
663 		/* 2. set CCK test mode off, set to CCK normal mode*/
664 		set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, bDisable);
665 		/* 3. turn on scramble setting */
666 		set_bb_reg(pAdapter, rCCK0_System, bCCKScramble, bEnable);
667 		/* 4. Turn On Continue Tx and turn off the other test modes.*/
668 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bEnable);
669 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier, bDisable);
670 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
671 	} else {
672 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bDisable);
673 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier,
674 			   bDisable);
675 		set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
676 		msleep(20);
677 		/*BB Reset*/
678 		set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x0);
679 		set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x1);
680 	}
681 } /* mpt_StartOfdmContTx */
682 
683 void r8712_SetContinuousTx(struct _adapter *pAdapter, u8 bStart)
684 {
685 	/* ADC turn off [bit24-21] adc port0 ~ port1 */
686 	if (bStart) {
687 		r8712_bb_reg_write(pAdapter, rRx_Wait_CCCA,
688 				   r8712_bb_reg_read(pAdapter,
689 				   rRx_Wait_CCCA) & 0xFE1FFFFF);
690 		msleep(100);
691 	}
692 	if (pAdapter->mppriv.curr_rateidx <= MPT_RATE_11M)
693 		SetCCKContinuousTx(pAdapter, bStart);
694 	else if ((pAdapter->mppriv.curr_rateidx >= MPT_RATE_6M) &&
695 		 (pAdapter->mppriv.curr_rateidx <= MPT_RATE_MCS15))
696 		SetOFDMContinuousTx(pAdapter, bStart);
697 	/* ADC turn on [bit24-21] adc port0 ~ port1 */
698 	if (!bStart)
699 		r8712_bb_reg_write(pAdapter, rRx_Wait_CCCA,
700 				   r8712_bb_reg_read(pAdapter,
701 				   rRx_Wait_CCCA) | 0x01E00000);
702 }
703 
704 void r8712_ResetPhyRxPktCount(struct _adapter *pAdapter)
705 {
706 	u32 i, phyrx_set = 0;
707 
708 	for (i = OFDM_PPDU_BIT; i <= HT_MPDU_FAIL_BIT; i++) {
709 		phyrx_set = 0;
710 		phyrx_set |= (i << 28);		/*select*/
711 		phyrx_set |= 0x08000000;	/* set counter to zero*/
712 		r8712_write32(pAdapter, RXERR_RPT, phyrx_set);
713 	}
714 }
715 
716 static u32 GetPhyRxPktCounts(struct _adapter *pAdapter, u32 selbit)
717 {
718 	/*selection*/
719 	u32 phyrx_set = 0, count = 0;
720 	u32 SelectBit;
721 
722 	SelectBit = selbit << 28;
723 	phyrx_set |= (SelectBit & 0xF0000000);
724 	r8712_write32(pAdapter, RXERR_RPT, phyrx_set);
725 	/*Read packet count*/
726 	count = r8712_read32(pAdapter, RXERR_RPT) & RPTMaxCount;
727 	return count;
728 }
729 
730 u32 r8712_GetPhyRxPktReceived(struct _adapter *pAdapter)
731 {
732 	u32 OFDM_cnt = 0, CCK_cnt = 0, HT_cnt = 0;
733 
734 	OFDM_cnt = GetPhyRxPktCounts(pAdapter, OFDM_MPDU_OK_BIT);
735 	CCK_cnt = GetPhyRxPktCounts(pAdapter, CCK_MPDU_OK_BIT);
736 	HT_cnt = GetPhyRxPktCounts(pAdapter, HT_MPDU_OK_BIT);
737 	return OFDM_cnt + CCK_cnt + HT_cnt;
738 }
739 
740 u32 r8712_GetPhyRxPktCRC32Error(struct _adapter *pAdapter)
741 {
742 	u32 OFDM_cnt = 0, CCK_cnt = 0, HT_cnt = 0;
743 
744 	OFDM_cnt = GetPhyRxPktCounts(pAdapter, OFDM_MPDU_FAIL_BIT);
745 	CCK_cnt = GetPhyRxPktCounts(pAdapter, CCK_MPDU_FAIL_BIT);
746 	HT_cnt = GetPhyRxPktCounts(pAdapter, HT_MPDU_FAIL_BIT);
747 	return OFDM_cnt + CCK_cnt + HT_cnt;
748 }
749