xref: /linux/drivers/net/wireless/realtek/rtl8xxxu/8723a.c (revision d53b8e36925256097a08d7cb749198d85cbf9b2b)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * RTL8XXXU mac80211 USB driver - 8723a specific subdriver
4  *
5  * Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com>
6  *
7  * Portions, notably calibration code:
8  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
9  *
10  * This driver was written as a replacement for the vendor provided
11  * rtl8723au driver. As the Realtek 8xxx chips are very similar in
12  * their programming interface, I have started adding support for
13  * additional 8xxx chips like the 8192cu, 8188cus, etc.
14  */
15 
16 #include "regs.h"
17 #include "rtl8xxxu.h"
18 
19 static struct rtl8xxxu_power_base rtl8723a_power_base = {
20 	.reg_0e00 = 0x0a0c0c0c,
21 	.reg_0e04 = 0x02040608,
22 	.reg_0e08 = 0x00000000,
23 	.reg_086c = 0x00000000,
24 
25 	.reg_0e10 = 0x0a0c0d0e,
26 	.reg_0e14 = 0x02040608,
27 	.reg_0e18 = 0x0a0c0d0e,
28 	.reg_0e1c = 0x02040608,
29 
30 	.reg_0830 = 0x0a0c0c0c,
31 	.reg_0834 = 0x02040608,
32 	.reg_0838 = 0x00000000,
33 	.reg_086c_2 = 0x00000000,
34 
35 	.reg_083c = 0x0a0c0d0e,
36 	.reg_0848 = 0x02040608,
37 	.reg_084c = 0x0a0c0d0e,
38 	.reg_0868 = 0x02040608,
39 };
40 
41 static const struct rtl8xxxu_reg8val rtl8723au_mac_init_table[] = {
42 	{0x420, 0x80}, {0x423, 0x00}, {0x430, 0x00}, {0x431, 0x00},
43 	{0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05},
44 	{0x436, 0x06}, {0x437, 0x07}, {0x438, 0x00}, {0x439, 0x00},
45 	{0x43a, 0x00}, {0x43b, 0x01}, {0x43c, 0x04}, {0x43d, 0x05},
46 	{0x43e, 0x06}, {0x43f, 0x07}, {0x440, 0x5d}, {0x441, 0x01},
47 	{0x442, 0x00}, {0x444, 0x15}, {0x445, 0xf0}, {0x446, 0x0f},
48 	{0x447, 0x00}, {0x458, 0x41}, {0x459, 0xa8}, {0x45a, 0x72},
49 	{0x45b, 0xb9}, {0x460, 0x66}, {0x461, 0x66}, {0x462, 0x08},
50 	{0x463, 0x03}, {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff},
51 	{0x4cd, 0xff}, {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2},
52 	{0x502, 0x2f}, {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3},
53 	{0x506, 0x5e}, {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4},
54 	{0x50a, 0x5e}, {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4},
55 	{0x50e, 0x00}, {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a},
56 	{0x515, 0x10}, {0x516, 0x0a}, {0x517, 0x10}, {0x51a, 0x16},
57 	{0x524, 0x0f}, {0x525, 0x4f}, {0x546, 0x40}, {0x547, 0x00},
58 	{0x550, 0x10}, {0x551, 0x10}, {0x559, 0x02}, {0x55a, 0x02},
59 	{0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a},
60 	{0x652, 0x20}, {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e},
61 	{0x63f, 0x0e}, {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43},
62 	{0x702, 0x65}, {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43},
63 	{0x70a, 0x65}, {0x70b, 0x87}, {0xffff, 0xff},
64 };
65 
66 static const struct rtl8xxxu_rfregval rtl8723au_radioa_1t_init_table[] = {
67 	{0x00, 0x00030159}, {0x01, 0x00031284},
68 	{0x02, 0x00098000}, {0x03, 0x00039c63},
69 	{0x04, 0x000210e7}, {0x09, 0x0002044f},
70 	{0x0a, 0x0001a3f1}, {0x0b, 0x00014787},
71 	{0x0c, 0x000896fe}, {0x0d, 0x0000e02c},
72 	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
73 	{0x19, 0x00000000}, {0x1a, 0x00030355},
74 	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
75 	{0x1d, 0x000a1250}, {0x1e, 0x0000024f},
76 	{0x1f, 0x00000000}, {0x20, 0x0000b614},
77 	{0x21, 0x0006c000}, {0x22, 0x00000000},
78 	{0x23, 0x00001558}, {0x24, 0x00000060},
79 	{0x25, 0x00000483}, {0x26, 0x0004f000},
80 	{0x27, 0x000ec7d9}, {0x28, 0x00057730},
81 	{0x29, 0x00004783}, {0x2a, 0x00000001},
82 	{0x2b, 0x00021334}, {0x2a, 0x00000000},
83 	{0x2b, 0x00000054}, {0x2a, 0x00000001},
84 	{0x2b, 0x00000808}, {0x2b, 0x00053333},
85 	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
86 	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
87 	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
88 	{0x2b, 0x00000808}, {0x2b, 0x00063333},
89 	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
90 	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
91 	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
92 	{0x2b, 0x00000808}, {0x2b, 0x00073333},
93 	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
94 	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
95 	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
96 	{0x2b, 0x00000709}, {0x2b, 0x00063333},
97 	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
98 	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
99 	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
100 	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
101 	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
102 	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
103 	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
104 	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
105 	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
106 	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
107 	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
108 	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
109 	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
110 	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
111 	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
112 	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
113 	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
114 	{0x10, 0x0002000f}, {0x11, 0x000203f9},
115 	{0x10, 0x0003000f}, {0x11, 0x000ff500},
116 	{0x10, 0x00000000}, {0x11, 0x00000000},
117 	{0x10, 0x0008000f}, {0x11, 0x0003f100},
118 	{0x10, 0x0009000f}, {0x11, 0x00023100},
119 	{0x12, 0x00032000}, {0x12, 0x00071000},
120 	{0x12, 0x000b0000}, {0x12, 0x000fc000},
121 	{0x13, 0x000287b3}, {0x13, 0x000244b7},
122 	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
123 	{0x13, 0x00018493}, {0x13, 0x0001429b},
124 	{0x13, 0x00010299}, {0x13, 0x0000c29c},
125 	{0x13, 0x000081a0}, {0x13, 0x000040ac},
126 	{0x13, 0x00000020}, {0x14, 0x0001944c},
127 	{0x14, 0x00059444}, {0x14, 0x0009944c},
128 	{0x14, 0x000d9444}, {0x15, 0x0000f474},
129 	{0x15, 0x0004f477}, {0x15, 0x0008f455},
130 	{0x15, 0x000cf455}, {0x16, 0x00000339},
131 	{0x16, 0x00040339}, {0x16, 0x00080339},
132 	{0x16, 0x000c0366}, {0x00, 0x00010159},
133 	{0x18, 0x0000f401}, {0xfe, 0x00000000},
134 	{0xfe, 0x00000000}, {0x1f, 0x00000003},
135 	{0xfe, 0x00000000}, {0xfe, 0x00000000},
136 	{0x1e, 0x00000247}, {0x1f, 0x00000000},
137 	{0x00, 0x00030159},
138 	{0xff, 0xffffffff}
139 };
140 
141 static int rtl8723au_identify_chip(struct rtl8xxxu_priv *priv)
142 {
143 	struct device *dev = &priv->udev->dev;
144 	u32 val32, sys_cfg, vendor;
145 	int ret = 0;
146 
147 	sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
148 	priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
149 	if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
150 		dev_info(dev, "Unsupported test chip\n");
151 		ret = -ENOTSUPP;
152 		goto out;
153 	}
154 
155 	strscpy(priv->chip_name, "8723AU", sizeof(priv->chip_name));
156 	priv->usb_interrupts = 1;
157 	priv->rtl_chip = RTL8723A;
158 
159 	priv->rf_paths = 1;
160 	priv->rx_paths = 1;
161 	priv->tx_paths = 1;
162 
163 	val32 = rtl8xxxu_read32(priv, REG_MULTI_FUNC_CTRL);
164 	if (val32 & MULTI_WIFI_FUNC_EN)
165 		priv->has_wifi = 1;
166 	if (val32 & MULTI_BT_FUNC_EN)
167 		priv->has_bluetooth = 1;
168 	if (val32 & MULTI_GPS_FUNC_EN)
169 		priv->has_gps = 1;
170 	priv->is_multi_func = 1;
171 
172 	vendor = sys_cfg & SYS_CFG_VENDOR_ID;
173 	rtl8xxxu_identify_vendor_1bit(priv, vendor);
174 
175 	val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
176 	priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);
177 
178 	rtl8xxxu_config_endpoints_sie(priv);
179 
180 	/*
181 	 * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX
182 	 */
183 	if (!priv->ep_tx_count)
184 		ret = rtl8xxxu_config_endpoints_no_sie(priv);
185 
186 out:
187 	return ret;
188 }
189 
190 static int rtl8723au_parse_efuse(struct rtl8xxxu_priv *priv)
191 {
192 	struct rtl8723au_efuse *efuse = &priv->efuse_wifi.efuse8723;
193 
194 	if (efuse->rtl_id != cpu_to_le16(0x8129))
195 		return -EINVAL;
196 
197 	ether_addr_copy(priv->mac_addr, efuse->mac_addr);
198 
199 	memcpy(priv->cck_tx_power_index_A,
200 	       efuse->cck_tx_power_index_A,
201 	       sizeof(efuse->cck_tx_power_index_A));
202 	memcpy(priv->cck_tx_power_index_B,
203 	       efuse->cck_tx_power_index_B,
204 	       sizeof(efuse->cck_tx_power_index_B));
205 
206 	memcpy(priv->ht40_1s_tx_power_index_A,
207 	       efuse->ht40_1s_tx_power_index_A,
208 	       sizeof(efuse->ht40_1s_tx_power_index_A));
209 	memcpy(priv->ht40_1s_tx_power_index_B,
210 	       efuse->ht40_1s_tx_power_index_B,
211 	       sizeof(efuse->ht40_1s_tx_power_index_B));
212 
213 	memcpy(priv->ht20_tx_power_index_diff,
214 	       efuse->ht20_tx_power_index_diff,
215 	       sizeof(efuse->ht20_tx_power_index_diff));
216 	memcpy(priv->ofdm_tx_power_index_diff,
217 	       efuse->ofdm_tx_power_index_diff,
218 	       sizeof(efuse->ofdm_tx_power_index_diff));
219 
220 	memcpy(priv->ht40_max_power_offset,
221 	       efuse->ht40_max_power_offset,
222 	       sizeof(efuse->ht40_max_power_offset));
223 	memcpy(priv->ht20_max_power_offset,
224 	       efuse->ht20_max_power_offset,
225 	       sizeof(efuse->ht20_max_power_offset));
226 
227 	if (priv->efuse_wifi.efuse8723.version >= 0x01)
228 		priv->default_crystal_cap = priv->efuse_wifi.efuse8723.xtal_k & 0x3f;
229 	else
230 		priv->fops->set_crystal_cap = NULL;
231 
232 	priv->power_base = &rtl8723a_power_base;
233 
234 	return 0;
235 }
236 
237 static int rtl8723au_load_firmware(struct rtl8xxxu_priv *priv)
238 {
239 	const char *fw_name;
240 	int ret;
241 
242 	switch (priv->chip_cut) {
243 	case 0:
244 		fw_name = "rtlwifi/rtl8723aufw_A.bin";
245 		break;
246 	case 1:
247 		if (priv->enable_bluetooth)
248 			fw_name = "rtlwifi/rtl8723aufw_B.bin";
249 		else
250 			fw_name = "rtlwifi/rtl8723aufw_B_NoBT.bin";
251 
252 		break;
253 	default:
254 		return -EINVAL;
255 	}
256 
257 	ret = rtl8xxxu_load_firmware(priv, fw_name);
258 	return ret;
259 }
260 
261 static int rtl8723au_init_phy_rf(struct rtl8xxxu_priv *priv)
262 {
263 	int ret;
264 
265 	ret = rtl8xxxu_init_phy_rf(priv, rtl8723au_radioa_1t_init_table, RF_A);
266 
267 	/* Reduce 80M spur */
268 	rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, 0x0381808d);
269 	rtl8xxxu_write32(priv, REG_AFE_PLL_CTRL, 0xf0ffff83);
270 	rtl8xxxu_write32(priv, REG_AFE_PLL_CTRL, 0xf0ffff82);
271 	rtl8xxxu_write32(priv, REG_AFE_PLL_CTRL, 0xf0ffff83);
272 
273 	return ret;
274 }
275 
276 static int rtl8723a_emu_to_active(struct rtl8xxxu_priv *priv)
277 {
278 	u8 val8;
279 	u32 val32;
280 	int count, ret = 0;
281 
282 	/* 0x20[0] = 1 enable LDOA12 MACRO block for all interface*/
283 	val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
284 	val8 |= LDOA15_ENABLE;
285 	rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
286 
287 	/* 0x67[0] = 0 to disable BT_GPS_SEL pins*/
288 	val8 = rtl8xxxu_read8(priv, 0x0067);
289 	val8 &= ~BIT(4);
290 	rtl8xxxu_write8(priv, 0x0067, val8);
291 
292 	mdelay(1);
293 
294 	/* 0x00[5] = 0 release analog Ips to digital, 1:isolation */
295 	val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
296 	val8 &= ~SYS_ISO_ANALOG_IPS;
297 	rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
298 
299 	/* disable SW LPS 0x04[10]= 0 */
300 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
301 	val8 &= ~BIT(2);
302 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
303 
304 	/* wait till 0x04[17] = 1 power ready*/
305 	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
306 		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
307 		if (val32 & BIT(17))
308 			break;
309 
310 		udelay(10);
311 	}
312 
313 	if (!count) {
314 		ret = -EBUSY;
315 		goto exit;
316 	}
317 
318 	/* We should be able to optimize the following three entries into one */
319 
320 	/* release WLON reset 0x04[16]= 1*/
321 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2);
322 	val8 |= BIT(0);
323 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8);
324 
325 	/* disable HWPDN 0x04[15]= 0*/
326 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
327 	val8 &= ~BIT(7);
328 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
329 
330 	/* disable WL suspend*/
331 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
332 	val8 &= ~(BIT(3) | BIT(4));
333 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
334 
335 	/* set, then poll until 0 */
336 	val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
337 	val32 |= APS_FSMCO_MAC_ENABLE;
338 	rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
339 
340 	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
341 		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
342 		if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
343 			ret = 0;
344 			break;
345 		}
346 		udelay(10);
347 	}
348 
349 	if (!count) {
350 		ret = -EBUSY;
351 		goto exit;
352 	}
353 
354 	/* 0x4C[23] = 0x4E[7] = 1, switch DPDT_SEL_P output from WL BB */
355 	/*
356 	 * Note: Vendor driver actually clears this bit, despite the
357 	 * documentation claims it's being set!
358 	 */
359 	val8 = rtl8xxxu_read8(priv, REG_LEDCFG2);
360 	val8 |= LEDCFG2_DPDT_SELECT;
361 	val8 &= ~LEDCFG2_DPDT_SELECT;
362 	rtl8xxxu_write8(priv, REG_LEDCFG2, val8);
363 
364 exit:
365 	return ret;
366 }
367 
368 static int rtl8723au_power_on(struct rtl8xxxu_priv *priv)
369 {
370 	u8 val8;
371 	u16 val16;
372 	u32 val32;
373 	int ret;
374 
375 	/*
376 	 * RSV_CTRL 0x001C[7:0] = 0x00, unlock ISO/CLK/Power control register
377 	 */
378 	rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0);
379 
380 	rtl8xxxu_disabled_to_emu(priv);
381 
382 	ret = rtl8723a_emu_to_active(priv);
383 	if (ret)
384 		goto exit;
385 
386 	/*
387 	 * 0x0004[19] = 1, reset 8051
388 	 */
389 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2);
390 	val8 |= BIT(3);
391 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8);
392 
393 	/*
394 	 * Enable MAC DMA/WMAC/SCHEDULE/SEC block
395 	 * Set CR bit10 to enable 32k calibration.
396 	 */
397 	val16 = rtl8xxxu_read16(priv, REG_CR);
398 	val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
399 		  CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
400 		  CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
401 		  CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
402 		  CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
403 	rtl8xxxu_write16(priv, REG_CR, val16);
404 
405 	/* For EFuse PG */
406 	val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL);
407 	val32 &= ~(BIT(28) | BIT(29) | BIT(30));
408 	val32 |= (0x06 << 28);
409 	rtl8xxxu_write32(priv, REG_EFUSE_CTRL, val32);
410 exit:
411 	return ret;
412 }
413 
414 #define XTAL1	GENMASK(23, 18)
415 #define XTAL0	GENMASK(17, 12)
416 
417 void rtl8723a_set_crystal_cap(struct rtl8xxxu_priv *priv, u8 crystal_cap)
418 {
419 	struct rtl8xxxu_cfo_tracking *cfo = &priv->cfo_tracking;
420 	u32 val32;
421 
422 	if (crystal_cap == cfo->crystal_cap)
423 		return;
424 
425 	val32 = rtl8xxxu_read32(priv, REG_MAC_PHY_CTRL);
426 
427 	dev_dbg(&priv->udev->dev,
428 	        "%s: Adjusting crystal cap from 0x%x (actually 0x%lx 0x%lx) to 0x%x\n",
429 	        __func__,
430 	        cfo->crystal_cap,
431 	        FIELD_GET(XTAL1, val32),
432 	        FIELD_GET(XTAL0, val32),
433 	        crystal_cap);
434 
435 	val32 &= ~(XTAL1 | XTAL0);
436 	val32 |= FIELD_PREP(XTAL1, crystal_cap) |
437 		 FIELD_PREP(XTAL0, crystal_cap);
438 	rtl8xxxu_write32(priv, REG_MAC_PHY_CTRL, val32);
439 
440 	cfo->crystal_cap = crystal_cap;
441 }
442 
443 s8 rtl8723a_cck_rssi(struct rtl8xxxu_priv *priv, struct rtl8723au_phy_stats *phy_stats)
444 {
445 	u8 cck_agc_rpt = phy_stats->cck_agc_rpt_ofdm_cfosho_a;
446 	s8 rx_pwr_all = 0x00;
447 
448 	switch (cck_agc_rpt & 0xc0) {
449 	case 0xc0:
450 		rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
451 		break;
452 	case 0x80:
453 		rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
454 		break;
455 	case 0x40:
456 		rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
457 		break;
458 	case 0x00:
459 		rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
460 		break;
461 	}
462 
463 	return rx_pwr_all;
464 }
465 
466 static int rtl8723au_led_brightness_set(struct led_classdev *led_cdev,
467 					enum led_brightness brightness)
468 {
469 	struct rtl8xxxu_priv *priv = container_of(led_cdev,
470 						  struct rtl8xxxu_priv,
471 						  led_cdev);
472 	u8 ledcfg = rtl8xxxu_read8(priv, REG_LEDCFG2);
473 
474 	if (brightness == LED_OFF) {
475 		ledcfg &= ~LEDCFG2_HW_LED_CONTROL;
476 		ledcfg |= LEDCFG2_SW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE;
477 	} else if (brightness == LED_ON) {
478 		ledcfg &= ~(LEDCFG2_HW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE);
479 		ledcfg |= LEDCFG2_SW_LED_CONTROL;
480 	} else if (brightness == RTL8XXXU_HW_LED_CONTROL) {
481 		ledcfg &= ~LEDCFG2_SW_LED_DISABLE;
482 		ledcfg |= LEDCFG2_HW_LED_CONTROL | LEDCFG2_HW_LED_ENABLE;
483 	}
484 
485 	rtl8xxxu_write8(priv, REG_LEDCFG2, ledcfg);
486 
487 	return 0;
488 }
489 
490 struct rtl8xxxu_fileops rtl8723au_fops = {
491 	.identify_chip = rtl8723au_identify_chip,
492 	.parse_efuse = rtl8723au_parse_efuse,
493 	.load_firmware = rtl8723au_load_firmware,
494 	.power_on = rtl8723au_power_on,
495 	.power_off = rtl8xxxu_power_off,
496 	.read_efuse = rtl8xxxu_read_efuse,
497 	.reset_8051 = rtl8xxxu_reset_8051,
498 	.llt_init = rtl8xxxu_init_llt_table,
499 	.init_phy_bb = rtl8xxxu_gen1_init_phy_bb,
500 	.init_phy_rf = rtl8723au_init_phy_rf,
501 	.phy_lc_calibrate = rtl8723a_phy_lc_calibrate,
502 	.phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate,
503 	.config_channel = rtl8xxxu_gen1_config_channel,
504 	.parse_rx_desc = rtl8xxxu_parse_rxdesc16,
505 	.parse_phystats = rtl8723au_rx_parse_phystats,
506 	.init_aggregation = rtl8xxxu_gen1_init_aggregation,
507 	.enable_rf = rtl8xxxu_gen1_enable_rf,
508 	.disable_rf = rtl8xxxu_gen1_disable_rf,
509 	.usb_quirks = rtl8xxxu_gen1_usb_quirks,
510 	.set_tx_power = rtl8xxxu_gen1_set_tx_power,
511 	.update_rate_mask = rtl8xxxu_update_rate_mask,
512 	.report_connect = rtl8xxxu_gen1_report_connect,
513 	.report_rssi = rtl8xxxu_gen1_report_rssi,
514 	.fill_txdesc = rtl8xxxu_fill_txdesc_v1,
515 	.set_crystal_cap = rtl8723a_set_crystal_cap,
516 	.cck_rssi = rtl8723a_cck_rssi,
517 	.led_classdev_brightness_set = rtl8723au_led_brightness_set,
518 	.writeN_block_size = 1024,
519 	.rx_agg_buf_size = 16000,
520 	.tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
521 	.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
522 	.max_sec_cam_num = 32,
523 	.adda_1t_init = 0x0b1b25a0,
524 	.adda_1t_path_on = 0x0bdb25a0,
525 	.adda_2t_path_on_a = 0x04db25a4,
526 	.adda_2t_path_on_b = 0x0b1b25a4,
527 	.trxff_boundary = 0x27ff,
528 	.pbp_rx = PBP_PAGE_SIZE_128,
529 	.pbp_tx = PBP_PAGE_SIZE_128,
530 	.mactable = rtl8723au_mac_init_table,
531 	.total_page_num = TX_TOTAL_PAGE_NUM,
532 	.page_num_hi = TX_PAGE_NUM_HI_PQ,
533 	.page_num_lo = TX_PAGE_NUM_LO_PQ,
534 	.page_num_norm = TX_PAGE_NUM_NORM_PQ,
535 };
536