1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2009-2010 Realtek Corporation.*/
3
4#include "../wifi.h"
5#include "../core.h"
6#include "../pci.h"
7#include "reg.h"
8#include "def.h"
9#include "phy.h"
10#include "dm.h"
11#include "hw.h"
12#include "fw.h"
13#include "trx.h"
14#include "led.h"
15#include "table.h"
16#include "../btcoexist/rtl_btc.h"
17
18#include <linux/vmalloc.h>
19#include <linux/module.h>
20
21static void rtl8821ae_init_aspm_vars(struct ieee80211_hw *hw)
22{
23 struct rtl_priv *rtlpriv = rtl_priv(hw);
24 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
25
26 /**
27 * ASPM PS mode.
28 * 0 - Disable ASPM,
29 * 1 - Enable ASPM without Clock Req,
30 * 2 - Enable ASPM with Clock Req,
31 * 3 - Alwyas Enable ASPM with Clock Req,
32 * 4 - Always Enable ASPM without Clock Req.
33 * set defult to RTL8192CE:3 RTL8192E:2
34 */
35 rtlpci->const_pci_aspm = 3;
36
37 /*Setting for PCI-E device */
38 rtlpci->const_devicepci_aspm_setting = 0x03;
39
40 /*Setting for PCI-E bridge */
41 rtlpci->const_hostpci_aspm_setting = 0x02;
42
43 /**
44 * In Hw/Sw Radio Off situation.
45 * 0 - Default,
46 * 1 - From ASPM setting without low Mac Pwr,
47 * 2 - From ASPM setting with low Mac Pwr,
48 * 3 - Bus D3
49 * set default to RTL8192CE:0 RTL8192SE:2
50 */
51 rtlpci->const_hwsw_rfoff_d3 = 0;
52
53 /**
54 * This setting works for those device with
55 * backdoor ASPM setting such as EPHY setting.
56 * 0 - Not support ASPM,
57 * 1 - Support ASPM,
58 * 2 - According to chipset.
59 */
60 rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support;
61}
62
63/*InitializeVariables8812E*/
64static int rtl8821ae_init_sw_vars(struct ieee80211_hw *hw)
65{
66 int err = 0;
67 struct rtl_priv *rtlpriv = rtl_priv(hw);
68 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
69 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
70 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
71 char *fw_name, *wowlan_fw_name;
72
73 rtl8821ae_bt_reg_init(hw);
74 rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
75
76 rtlpriv->dm.dm_initialgain_enable = true;
77 rtlpriv->dm.dm_flag = 0;
78 rtlpriv->dm.disable_framebursting = false;
79 rtlpriv->dm.thermalvalue = 0;
80 rtlpci->transmit_config = CFENDFORM | BIT(15) | BIT(24) | BIT(25);
81
82 mac->ht_enable = true;
83 mac->ht_cur_stbc = 0;
84 mac->ht_stbc_cap = 0;
85 mac->vht_cur_ldpc = 0;
86 mac->vht_ldpc_cap = 0;
87 mac->vht_cur_stbc = 0;
88 mac->vht_stbc_cap = 0;
89
90 rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
91 /*following 2 is for register 5G band, refer to _rtl_init_mac80211()*/
92 rtlpriv->rtlhal.bandset = BAND_ON_BOTH;
93 rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
94
95 rtlpci->receive_config = (RCR_APPFCS |
96 RCR_APP_MIC |
97 RCR_APP_ICV |
98 RCR_APP_PHYST_RXFF |
99 RCR_NONQOS_VHT |
100 RCR_HTC_LOC_CTRL |
101 RCR_AMF |
102 RCR_ACF |
103 /*This bit controls the PS-Poll packet filter.*/
104 RCR_ADF |
105 RCR_AICV |
106 RCR_ACRC32 |
107 RCR_AB |
108 RCR_AM |
109 RCR_APM |
110 0);
111
112 rtlpci->irq_mask[0] =
113 (u32)(IMR_PSTIMEOUT |
114 IMR_GTINT3 |
115 IMR_HSISR_IND_ON_INT |
116 IMR_C2HCMD |
117 IMR_HIGHDOK |
118 IMR_MGNTDOK |
119 IMR_BKDOK |
120 IMR_BEDOK |
121 IMR_VIDOK |
122 IMR_VODOK |
123 IMR_RDU |
124 IMR_ROK |
125 0);
126
127 rtlpci->irq_mask[1] =
128 (u32)(IMR_RXFOVW |
129 IMR_TXFOVW |
130 0);
131 rtlpci->sys_irq_mask = (u32)(HSIMR_PDN_INT_EN |
132 HSIMR_RON_INT_EN |
133 0);
134 /* for WOWLAN */
135 rtlpriv->psc.wo_wlan_mode = WAKE_ON_MAGIC_PACKET |
136 WAKE_ON_PATTERN_MATCH;
137
138 /* for LPS & IPS */
139 rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
140 rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
141 rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
142 rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
143 rtlpci->int_clear = rtlpriv->cfg->mod_params->int_clear;
144 if (rtlpriv->cfg->mod_params->disable_watchdog)
145 pr_info("watchdog disabled\n");
146 rtlpriv->psc.reg_fwctrl_lps = 2;
147 rtlpriv->psc.reg_max_lps_awakeintvl = 2;
148
149 /* for ASPM, you can close aspm through
150 * set const_support_pciaspm = 0
151 */
152 rtl8821ae_init_aspm_vars(hw);
153
154 if (rtlpriv->psc.reg_fwctrl_lps == 1)
155 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
156 else if (rtlpriv->psc.reg_fwctrl_lps == 2)
157 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
158 else if (rtlpriv->psc.reg_fwctrl_lps == 3)
159 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
160
161 /* for firmware buf */
162 rtlpriv->rtlhal.pfirmware = vzalloc(size: 0x8000);
163 if (!rtlpriv->rtlhal.pfirmware) {
164 pr_err("Can't alloc buffer for fw.\n");
165 return 1;
166 }
167 rtlpriv->rtlhal.wowlan_firmware = vzalloc(size: 0x8000);
168 if (!rtlpriv->rtlhal.wowlan_firmware) {
169 pr_err("Can't alloc buffer for wowlan fw.\n");
170 vfree(addr: rtlpriv->rtlhal.pfirmware);
171 rtlpriv->rtlhal.pfirmware = NULL;
172 return 1;
173 }
174
175 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
176 fw_name = "rtlwifi/rtl8812aefw.bin";
177 wowlan_fw_name = "rtlwifi/rtl8812aefw_wowlan.bin";
178 } else {
179 fw_name = "rtlwifi/rtl8821aefw_29.bin";
180 wowlan_fw_name = "rtlwifi/rtl8821aefw_wowlan.bin";
181 }
182
183 rtlpriv->max_fw_size = 0x8000;
184 /*load normal firmware*/
185 pr_info("Using firmware %s\n", fw_name);
186 err = request_firmware_nowait(THIS_MODULE, uevent: 1, name: fw_name,
187 device: rtlpriv->io.dev, GFP_KERNEL, context: hw,
188 cont: rtl_fw_cb);
189 if (err) {
190 pr_err("Failed to request normal firmware!\n");
191 vfree(addr: rtlpriv->rtlhal.wowlan_firmware);
192 vfree(addr: rtlpriv->rtlhal.pfirmware);
193 return 1;
194 }
195 /*load wowlan firmware*/
196 pr_info("Using firmware %s\n", wowlan_fw_name);
197 err = request_firmware_nowait(THIS_MODULE, uevent: 1,
198 name: wowlan_fw_name,
199 device: rtlpriv->io.dev, GFP_KERNEL, context: hw,
200 cont: rtl_wowlan_fw_cb);
201 if (err) {
202 pr_err("Failed to request wowlan firmware!\n");
203 vfree(addr: rtlpriv->rtlhal.wowlan_firmware);
204 vfree(addr: rtlpriv->rtlhal.pfirmware);
205 return 1;
206 }
207 return 0;
208}
209
210static void rtl8821ae_deinit_sw_vars(struct ieee80211_hw *hw)
211{
212 struct rtl_priv *rtlpriv = rtl_priv(hw);
213
214 if (rtlpriv->rtlhal.pfirmware) {
215 vfree(addr: rtlpriv->rtlhal.pfirmware);
216 rtlpriv->rtlhal.pfirmware = NULL;
217 }
218#if (USE_SPECIFIC_FW_TO_SUPPORT_WOWLAN == 1)
219 if (rtlpriv->rtlhal.wowlan_firmware) {
220 vfree(addr: rtlpriv->rtlhal.wowlan_firmware);
221 rtlpriv->rtlhal.wowlan_firmware = NULL;
222 }
223#endif
224}
225
226/* get bt coexist status */
227static bool rtl8821ae_get_btc_status(void)
228{
229 return true;
230}
231
232static struct rtl_hal_ops rtl8821ae_hal_ops = {
233 .init_sw_vars = rtl8821ae_init_sw_vars,
234 .deinit_sw_vars = rtl8821ae_deinit_sw_vars,
235 .read_eeprom_info = rtl8821ae_read_eeprom_info,
236 .interrupt_recognized = rtl8821ae_interrupt_recognized,
237 .hw_init = rtl8821ae_hw_init,
238 .hw_disable = rtl8821ae_card_disable,
239 .hw_suspend = rtl8821ae_suspend,
240 .hw_resume = rtl8821ae_resume,
241 .enable_interrupt = rtl8821ae_enable_interrupt,
242 .disable_interrupt = rtl8821ae_disable_interrupt,
243 .set_network_type = rtl8821ae_set_network_type,
244 .set_chk_bssid = rtl8821ae_set_check_bssid,
245 .set_qos = rtl8821ae_set_qos,
246 .set_bcn_reg = rtl8821ae_set_beacon_related_registers,
247 .set_bcn_intv = rtl8821ae_set_beacon_interval,
248 .update_interrupt_mask = rtl8821ae_update_interrupt_mask,
249 .get_hw_reg = rtl8821ae_get_hw_reg,
250 .set_hw_reg = rtl8821ae_set_hw_reg,
251 .update_rate_tbl = rtl8821ae_update_hal_rate_tbl,
252 .fill_tx_desc = rtl8821ae_tx_fill_desc,
253 .fill_tx_cmddesc = rtl8821ae_tx_fill_cmddesc,
254 .query_rx_desc = rtl8821ae_rx_query_desc,
255 .set_channel_access = rtl8821ae_update_channel_access_setting,
256 .radio_onoff_checking = rtl8821ae_gpio_radio_on_off_checking,
257 .set_bw_mode = rtl8821ae_phy_set_bw_mode,
258 .switch_channel = rtl8821ae_phy_sw_chnl,
259 .dm_watchdog = rtl8821ae_dm_watchdog,
260 .scan_operation_backup = rtl8821ae_phy_scan_operation_backup,
261 .set_rf_power_state = rtl8821ae_phy_set_rf_power_state,
262 .led_control = rtl8821ae_led_control,
263 .set_desc = rtl8821ae_set_desc,
264 .get_desc = rtl8821ae_get_desc,
265 .is_tx_desc_closed = rtl8821ae_is_tx_desc_closed,
266 .tx_polling = rtl8821ae_tx_polling,
267 .enable_hw_sec = rtl8821ae_enable_hw_security_config,
268 .set_key = rtl8821ae_set_key,
269 .get_bbreg = rtl8821ae_phy_query_bb_reg,
270 .set_bbreg = rtl8821ae_phy_set_bb_reg,
271 .get_rfreg = rtl8821ae_phy_query_rf_reg,
272 .set_rfreg = rtl8821ae_phy_set_rf_reg,
273 .fill_h2c_cmd = rtl8821ae_fill_h2c_cmd,
274 .get_btc_status = rtl8821ae_get_btc_status,
275 .c2h_ra_report_handler = rtl8821ae_c2h_ra_report_handler,
276 .add_wowlan_pattern = rtl8821ae_add_wowlan_pattern,
277};
278
279static struct rtl_mod_params rtl8821ae_mod_params = {
280 .sw_crypto = false,
281 .inactiveps = true,
282 .swctrl_lps = false,
283 .fwctrl_lps = true,
284 .msi_support = true,
285 .aspm_support = 1,
286 .int_clear = true,
287 .debug_level = 0,
288 .debug_mask = 0,
289 .disable_watchdog = 0,
290};
291
292static const struct rtl_hal_cfg rtl8821ae_hal_cfg = {
293 .bar_id = 2,
294 .write_readback = true,
295 .name = "rtl8821ae_pci",
296 .alt_fw_name = "rtlwifi/rtl8821aefw.bin",
297 .ops = &rtl8821ae_hal_ops,
298 .mod_params = &rtl8821ae_mod_params,
299 .spec_ver = RTL_SPEC_SUPPORT_VHT,
300 .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
301 .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
302 .maps[SYS_CLK] = REG_SYS_CLKR,
303 .maps[MAC_RCR_AM] = AM,
304 .maps[MAC_RCR_AB] = AB,
305 .maps[MAC_RCR_ACRC32] = ACRC32,
306 .maps[MAC_RCR_ACF] = ACF,
307 .maps[MAC_RCR_AAP] = AAP,
308 .maps[MAC_HIMR] = REG_HIMR,
309 .maps[MAC_HIMRE] = REG_HIMRE,
310
311 .maps[EFUSE_ACCESS] = REG_EFUSE_ACCESS,
312
313 .maps[EFUSE_TEST] = REG_EFUSE_TEST,
314 .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
315 .maps[EFUSE_CLK] = 0,
316 .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
317 .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
318 .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
319 .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
320 .maps[EFUSE_ANA8M] = ANA8M,
321 .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
322 .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
323 .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
324 .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
325
326 .maps[RWCAM] = REG_CAMCMD,
327 .maps[WCAMI] = REG_CAMWRITE,
328 .maps[RCAMO] = REG_CAMREAD,
329 .maps[CAMDBG] = REG_CAMDBG,
330 .maps[SECR] = REG_SECCFG,
331 .maps[SEC_CAM_NONE] = CAM_NONE,
332 .maps[SEC_CAM_WEP40] = CAM_WEP40,
333 .maps[SEC_CAM_TKIP] = CAM_TKIP,
334 .maps[SEC_CAM_AES] = CAM_AES,
335 .maps[SEC_CAM_WEP104] = CAM_WEP104,
336
337 .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
338 .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
339 .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
340 .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
341 .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
342 .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
343/* .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8, */ /*need check*/
344 .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
345 .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
346 .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
347 .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
348 .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
349 .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
350 .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
351/* .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,*/
352/* .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,*/
353
354 .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
355 .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
356 .maps[RTL_IMR_BCNINT] = IMR_BCNDMAINT0,
357 .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
358 .maps[RTL_IMR_RDU] = IMR_RDU,
359 .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
360 .maps[RTL_IMR_BDOK] = IMR_BCNDOK0,
361 .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
362 .maps[RTL_IMR_TBDER] = IMR_TBDER,
363 .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
364 .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
365 .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
366 .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
367 .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
368 .maps[RTL_IMR_VODOK] = IMR_VODOK,
369 .maps[RTL_IMR_ROK] = IMR_ROK,
370 .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNDMAINT0 | IMR_TBDOK | IMR_TBDER),
371
372 .maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M,
373 .maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M,
374 .maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M,
375 .maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M,
376 .maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M,
377 .maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M,
378 .maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M,
379 .maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M,
380 .maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M,
381 .maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M,
382 .maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M,
383 .maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M,
384
385 .maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7,
386 .maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15,
387
388 /*VHT hightest rate*/
389 .maps[RTL_RC_VHT_RATE_1SS_MCS7] = DESC_RATEVHT1SS_MCS7,
390 .maps[RTL_RC_VHT_RATE_1SS_MCS8] = DESC_RATEVHT1SS_MCS8,
391 .maps[RTL_RC_VHT_RATE_1SS_MCS9] = DESC_RATEVHT1SS_MCS9,
392 .maps[RTL_RC_VHT_RATE_2SS_MCS7] = DESC_RATEVHT2SS_MCS7,
393 .maps[RTL_RC_VHT_RATE_2SS_MCS8] = DESC_RATEVHT2SS_MCS8,
394 .maps[RTL_RC_VHT_RATE_2SS_MCS9] = DESC_RATEVHT2SS_MCS9,
395};
396
397static const struct pci_device_id rtl8821ae_pci_ids[] = {
398 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8812, rtl8821ae_hal_cfg)},
399 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8821, rtl8821ae_hal_cfg)},
400 {},
401};
402
403MODULE_DEVICE_TABLE(pci, rtl8821ae_pci_ids);
404
405MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
406MODULE_LICENSE("GPL");
407MODULE_DESCRIPTION("Realtek 8821ae 802.11ac PCI wireless");
408MODULE_FIRMWARE("rtlwifi/rtl8821aefw.bin");
409MODULE_FIRMWARE("rtlwifi/rtl8821aefw_29.bin");
410
411module_param_named(swenc, rtl8821ae_mod_params.sw_crypto, bool, 0444);
412module_param_named(debug_level, rtl8821ae_mod_params.debug_level, int, 0644);
413module_param_named(debug_mask, rtl8821ae_mod_params.debug_mask, ullong, 0644);
414module_param_named(ips, rtl8821ae_mod_params.inactiveps, bool, 0444);
415module_param_named(swlps, rtl8821ae_mod_params.swctrl_lps, bool, 0444);
416module_param_named(fwlps, rtl8821ae_mod_params.fwctrl_lps, bool, 0444);
417module_param_named(msi, rtl8821ae_mod_params.msi_support, bool, 0444);
418module_param_named(aspm, rtl8821ae_mod_params.aspm_support, int, 0444);
419module_param_named(disable_watchdog, rtl8821ae_mod_params.disable_watchdog,
420 bool, 0444);
421module_param_named(int_clear, rtl8821ae_mod_params.int_clear, bool, 0444);
422MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
423MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
424MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
425MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
426MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 1)\n");
427MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
428MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
429MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
430MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n");
431MODULE_PARM_DESC(int_clear, "Set to 0 to disable interrupt clear before set (default 1)\n");
432
433static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
434
435static struct pci_driver rtl8821ae_driver = {
436 .name = KBUILD_MODNAME,
437 .id_table = rtl8821ae_pci_ids,
438 .probe = rtl_pci_probe,
439 .remove = rtl_pci_disconnect,
440 .driver.pm = &rtlwifi_pm_ops,
441};
442
443module_pci_driver(rtl8821ae_driver);
444

source code of linux/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c