sw.c revision 0298dc9f2273fb2d596ae10d7700f054bfce601d
1/******************************************************************************
2 *
3 * Copyright(c) 2009-2012  Realtek Corporation.
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 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
25 *
26 * Larry Finger <Larry.Finger@lwfinger.net>
27 *
28 *****************************************************************************/
29
30#include "../wifi.h"
31#include "../core.h"
32#include "../pci.h"
33#include "reg.h"
34#include "def.h"
35#include "phy.h"
36#include "dm.h"
37#include "hw.h"
38#include "sw.h"
39#include "trx.h"
40#include "led.h"
41
42#include <linux/module.h>
43
44static void rtl92d_init_aspm_vars(struct ieee80211_hw *hw)
45{
46	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
47
48	/*close ASPM for AMD defaultly */
49	rtlpci->const_amdpci_aspm = 0;
50
51	/*
52	 * ASPM PS mode.
53	 * 0 - Disable ASPM,
54	 * 1 - Enable ASPM without Clock Req,
55	 * 2 - Enable ASPM with Clock Req,
56	 * 3 - Alwyas Enable ASPM with Clock Req,
57	 * 4 - Always Enable ASPM without Clock Req.
58	 * set defult to RTL8192CE:3 RTL8192E:2
59	 * */
60	rtlpci->const_pci_aspm = 3;
61
62	/*Setting for PCI-E device */
63	rtlpci->const_devicepci_aspm_setting = 0x03;
64
65	/*Setting for PCI-E bridge */
66	rtlpci->const_hostpci_aspm_setting = 0x02;
67
68	/*
69	 * In Hw/Sw Radio Off situation.
70	 * 0 - Default,
71	 * 1 - From ASPM setting without low Mac Pwr,
72	 * 2 - From ASPM setting with low Mac Pwr,
73	 * 3 - Bus D3
74	 * set default to RTL8192CE:0 RTL8192SE:2
75	 */
76	rtlpci->const_hwsw_rfoff_d3 = 0;
77
78	/*
79	 * This setting works for those device with
80	 * backdoor ASPM setting such as EPHY setting.
81	 * 0 - Not support ASPM,
82	 * 1 - Support ASPM,
83	 * 2 - According to chipset.
84	 */
85	rtlpci->const_support_pciaspm = 1;
86}
87
88static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
89{
90	int err;
91	u8 tid;
92	struct rtl_priv *rtlpriv = rtl_priv(hw);
93	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
94
95	rtlpriv->dm.dm_initialgain_enable = true;
96	rtlpriv->dm.dm_flag = 0;
97	rtlpriv->dm.disable_framebursting = false;
98	rtlpriv->dm.thermalvalue = 0;
99	rtlpriv->dm.useramask = true;
100
101	/* dual mac */
102	if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
103		rtlpriv->phy.current_channel = 36;
104	else
105		rtlpriv->phy.current_channel = 1;
106
107	if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
108		rtlpriv->rtlhal.disable_amsdu_8k = true;
109		/* No long RX - reduce fragmentation */
110		rtlpci->rxbuffersize = 4096;
111	}
112
113	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
114
115	rtlpci->receive_config = (
116			RCR_APPFCS
117			| RCR_AMF
118			| RCR_ADF
119			| RCR_APP_MIC
120			| RCR_APP_ICV
121			| RCR_AICV
122			| RCR_ACRC32
123			| RCR_AB
124			| RCR_AM
125			| RCR_APM
126			| RCR_APP_PHYST_RXFF
127			| RCR_HTC_LOC_CTRL
128	);
129
130	rtlpci->irq_mask[0] = (u32) (
131			IMR_ROK
132			| IMR_VODOK
133			| IMR_VIDOK
134			| IMR_BEDOK
135			| IMR_BKDOK
136			| IMR_MGNTDOK
137			| IMR_HIGHDOK
138			| IMR_BDOK
139			| IMR_RDU
140			| IMR_RXFOVW
141	);
142
143	rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD);
144
145	/* for debug level */
146	rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
147	/* for LPS & IPS */
148	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
149	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
150	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
151	if (!rtlpriv->psc.inactiveps)
152		pr_info("Power Save off (module option)\n");
153	if (!rtlpriv->psc.fwctrl_lps)
154		pr_info("FW Power Save off (module option)\n");
155	rtlpriv->psc.reg_fwctrl_lps = 3;
156	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
157	/* for ASPM, you can close aspm through
158	 * set const_support_pciaspm = 0 */
159	rtl92d_init_aspm_vars(hw);
160
161	if (rtlpriv->psc.reg_fwctrl_lps == 1)
162		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
163	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
164		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
165	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
166		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
167
168	/* for early mode */
169	rtlpriv->rtlhal.earlymode_enable = true;
170	for (tid = 0; tid < 8; tid++)
171		skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
172
173	/* for firmware buf */
174	rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
175	if (!rtlpriv->rtlhal.pfirmware) {
176		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
177			 "Can't alloc buffer for fw\n");
178		return 1;
179	}
180
181	rtlpriv->max_fw_size = 0x8000;
182	pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
183	pr_info("Loading firmware file %s\n", rtlpriv->cfg->fw_name);
184
185	/* request fw */
186	err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
187				      rtlpriv->io.dev, GFP_KERNEL, hw,
188				      rtl_fw_cb);
189	if (err) {
190		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
191			 "Failed to request firmware!\n");
192		return 1;
193	}
194
195	return 0;
196}
197
198static void rtl92d_deinit_sw_vars(struct ieee80211_hw *hw)
199{
200	struct rtl_priv *rtlpriv = rtl_priv(hw);
201	u8 tid;
202
203	if (rtlpriv->rtlhal.pfirmware) {
204		vfree(rtlpriv->rtlhal.pfirmware);
205		rtlpriv->rtlhal.pfirmware = NULL;
206	}
207	for (tid = 0; tid < 8; tid++)
208		skb_queue_purge(&rtlpriv->mac80211.skb_waitq[tid]);
209}
210
211static struct rtl_hal_ops rtl8192de_hal_ops = {
212	.init_sw_vars = rtl92d_init_sw_vars,
213	.deinit_sw_vars = rtl92d_deinit_sw_vars,
214	.read_eeprom_info = rtl92de_read_eeprom_info,
215	.interrupt_recognized = rtl92de_interrupt_recognized,
216	.hw_init = rtl92de_hw_init,
217	.hw_disable = rtl92de_card_disable,
218	.hw_suspend = rtl92de_suspend,
219	.hw_resume = rtl92de_resume,
220	.enable_interrupt = rtl92de_enable_interrupt,
221	.disable_interrupt = rtl92de_disable_interrupt,
222	.set_network_type = rtl92de_set_network_type,
223	.set_chk_bssid = rtl92de_set_check_bssid,
224	.set_qos = rtl92de_set_qos,
225	.set_bcn_reg = rtl92de_set_beacon_related_registers,
226	.set_bcn_intv = rtl92de_set_beacon_interval,
227	.update_interrupt_mask = rtl92de_update_interrupt_mask,
228	.get_hw_reg = rtl92de_get_hw_reg,
229	.set_hw_reg = rtl92de_set_hw_reg,
230	.update_rate_tbl = rtl92de_update_hal_rate_tbl,
231	.fill_tx_desc = rtl92de_tx_fill_desc,
232	.fill_tx_cmddesc = rtl92de_tx_fill_cmddesc,
233	.query_rx_desc = rtl92de_rx_query_desc,
234	.set_channel_access = rtl92de_update_channel_access_setting,
235	.radio_onoff_checking = rtl92de_gpio_radio_on_off_checking,
236	.set_bw_mode = rtl92d_phy_set_bw_mode,
237	.switch_channel = rtl92d_phy_sw_chnl,
238	.dm_watchdog = rtl92d_dm_watchdog,
239	.scan_operation_backup = rtl92d_phy_scan_operation_backup,
240	.set_rf_power_state = rtl92d_phy_set_rf_power_state,
241	.led_control = rtl92de_led_control,
242	.set_desc = rtl92de_set_desc,
243	.get_desc = rtl92de_get_desc,
244	.tx_polling = rtl92de_tx_polling,
245	.enable_hw_sec = rtl92de_enable_hw_security_config,
246	.set_key = rtl92de_set_key,
247	.init_sw_leds = rtl92de_init_sw_leds,
248	.get_bbreg = rtl92d_phy_query_bb_reg,
249	.set_bbreg = rtl92d_phy_set_bb_reg,
250	.get_rfreg = rtl92d_phy_query_rf_reg,
251	.set_rfreg = rtl92d_phy_set_rf_reg,
252	.linked_set_reg = rtl92d_linked_set_reg,
253};
254
255static struct rtl_mod_params rtl92de_mod_params = {
256	.sw_crypto = false,
257	.inactiveps = true,
258	.swctrl_lps = true,
259	.fwctrl_lps = false,
260	.debug = DBG_EMERG,
261};
262
263static struct rtl_hal_cfg rtl92de_hal_cfg = {
264	.bar_id = 2,
265	.write_readback = true,
266	.name = "rtl8192de",
267	.fw_name = "rtlwifi/rtl8192defw.bin",
268	.ops = &rtl8192de_hal_ops,
269	.mod_params = &rtl92de_mod_params,
270
271	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
272	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
273	.maps[SYS_CLK] = REG_SYS_CLKR,
274	.maps[MAC_RCR_AM] = RCR_AM,
275	.maps[MAC_RCR_AB] = RCR_AB,
276	.maps[MAC_RCR_ACRC32] = RCR_ACRC32,
277	.maps[MAC_RCR_ACF] = RCR_ACF,
278	.maps[MAC_RCR_AAP] = RCR_AAP,
279
280	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
281	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
282	.maps[EFUSE_CLK] = 0,	/* just for 92se */
283	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
284	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
285	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
286	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
287	.maps[EFUSE_ANA8M] = 0,	/* just for 92se */
288	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
289	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
290	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
291
292	.maps[RWCAM] = REG_CAMCMD,
293	.maps[WCAMI] = REG_CAMWRITE,
294	.maps[RCAMO] = REG_CAMREAD,
295	.maps[CAMDBG] = REG_CAMDBG,
296	.maps[SECR] = REG_SECCFG,
297	.maps[SEC_CAM_NONE] = CAM_NONE,
298	.maps[SEC_CAM_WEP40] = CAM_WEP40,
299	.maps[SEC_CAM_TKIP] = CAM_TKIP,
300	.maps[SEC_CAM_AES] = CAM_AES,
301	.maps[SEC_CAM_WEP104] = CAM_WEP104,
302
303	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
304	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
305	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
306	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
307	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
308	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
309	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
310	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
311	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
312	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
313	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
314	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
315	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
316	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
317	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
318	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
319
320	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
321	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
322	.maps[RTL_IMR_BcnInt] = IMR_BcnInt,
323	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
324	.maps[RTL_IMR_RDU] = IMR_RDU,
325	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
326	.maps[RTL_IMR_BDOK] = IMR_BDOK,
327	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
328	.maps[RTL_IMR_TBDER] = IMR_TBDER,
329	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
330	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
331	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
332	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
333	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
334	.maps[RTL_IMR_VODOK] = IMR_VODOK,
335	.maps[RTL_IMR_ROK] = IMR_ROK,
336	.maps[RTL_IBSS_INT_MASKS] = (IMR_BcnInt | IMR_TBDOK | IMR_TBDER),
337
338	.maps[RTL_RC_CCK_RATE1M] = DESC92_RATE1M,
339	.maps[RTL_RC_CCK_RATE2M] = DESC92_RATE2M,
340	.maps[RTL_RC_CCK_RATE5_5M] = DESC92_RATE5_5M,
341	.maps[RTL_RC_CCK_RATE11M] = DESC92_RATE11M,
342	.maps[RTL_RC_OFDM_RATE6M] = DESC92_RATE6M,
343	.maps[RTL_RC_OFDM_RATE9M] = DESC92_RATE9M,
344	.maps[RTL_RC_OFDM_RATE12M] = DESC92_RATE12M,
345	.maps[RTL_RC_OFDM_RATE18M] = DESC92_RATE18M,
346	.maps[RTL_RC_OFDM_RATE24M] = DESC92_RATE24M,
347	.maps[RTL_RC_OFDM_RATE36M] = DESC92_RATE36M,
348	.maps[RTL_RC_OFDM_RATE48M] = DESC92_RATE48M,
349	.maps[RTL_RC_OFDM_RATE54M] = DESC92_RATE54M,
350
351	.maps[RTL_RC_HT_RATEMCS7] = DESC92_RATEMCS7,
352	.maps[RTL_RC_HT_RATEMCS15] = DESC92_RATEMCS15,
353};
354
355static struct pci_device_id rtl92de_pci_ids[] __devinitdata = {
356	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8193, rtl92de_hal_cfg)},
357	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x002B, rtl92de_hal_cfg)},
358	{},
359};
360
361MODULE_DEVICE_TABLE(pci, rtl92de_pci_ids);
362
363MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
364MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
365MODULE_AUTHOR("Larry Finger	<Larry.Finger@lwfinger.net>");
366MODULE_LICENSE("GPL");
367MODULE_DESCRIPTION("Realtek 8192DE 802.11n Dual Mac PCI wireless");
368MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
369
370module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
371module_param_named(debug, rtl92de_mod_params.debug, int, 0444);
372module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
373module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
374module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
375MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
376MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
377MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
378MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
379MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
380
381static const struct dev_pm_ops rtlwifi_pm_ops = {
382	.suspend = rtl_pci_suspend,
383	.resume = rtl_pci_resume,
384	.freeze = rtl_pci_suspend,
385	.thaw = rtl_pci_resume,
386	.poweroff = rtl_pci_suspend,
387	.restore = rtl_pci_resume,
388};
389
390static struct pci_driver rtl92de_driver = {
391	.name = KBUILD_MODNAME,
392	.id_table = rtl92de_pci_ids,
393	.probe = rtl_pci_probe,
394	.remove = rtl_pci_disconnect,
395	.driver.pm = &rtlwifi_pm_ops,
396};
397
398/* add global spin lock to solve the problem that
399 * Dul mac register operation on the same time */
400spinlock_t globalmutex_power;
401spinlock_t globalmutex_for_fwdownload;
402spinlock_t globalmutex_for_power_and_efuse;
403
404static int __init rtl92de_module_init(void)
405{
406	int ret = 0;
407
408	spin_lock_init(&globalmutex_power);
409	spin_lock_init(&globalmutex_for_fwdownload);
410	spin_lock_init(&globalmutex_for_power_and_efuse);
411
412	ret = pci_register_driver(&rtl92de_driver);
413	if (ret)
414		RT_ASSERT(false, "No device found\n");
415	return ret;
416}
417
418static void __exit rtl92de_module_exit(void)
419{
420	pci_unregister_driver(&rtl92de_driver);
421}
422
423module_init(rtl92de_module_init);
424module_exit(rtl92de_module_exit);
425