sw.c revision 603be3885b9d518ff4822b357e2687b6ff02f1ac
1/******************************************************************************
2 *
3 * Copyright(c) 2009-2010  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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
31
32#include <linux/vmalloc.h>
33
34#include "../wifi.h"
35#include "../core.h"
36#include "../pci.h"
37#include "reg.h"
38#include "def.h"
39#include "phy.h"
40#include "dm.h"
41#include "hw.h"
42#include "sw.h"
43#include "trx.h"
44#include "led.h"
45
46static void rtl92d_init_aspm_vars(struct ieee80211_hw *hw)
47{
48	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
49
50	/*close ASPM for AMD defaultly */
51	rtlpci->const_amdpci_aspm = 0;
52
53	/*
54	 * ASPM PS mode.
55	 * 0 - Disable ASPM,
56	 * 1 - Enable ASPM without Clock Req,
57	 * 2 - Enable ASPM with Clock Req,
58	 * 3 - Alwyas Enable ASPM with Clock Req,
59	 * 4 - Always Enable ASPM without Clock Req.
60	 * set defult to RTL8192CE:3 RTL8192E:2
61	 * */
62	rtlpci->const_pci_aspm = 3;
63
64	/*Setting for PCI-E device */
65	rtlpci->const_devicepci_aspm_setting = 0x03;
66
67	/*Setting for PCI-E bridge */
68	rtlpci->const_hostpci_aspm_setting = 0x02;
69
70	/*
71	 * In Hw/Sw Radio Off situation.
72	 * 0 - Default,
73	 * 1 - From ASPM setting without low Mac Pwr,
74	 * 2 - From ASPM setting with low Mac Pwr,
75	 * 3 - Bus D3
76	 * set default to RTL8192CE:0 RTL8192SE:2
77	 */
78	rtlpci->const_hwsw_rfoff_d3 = 0;
79
80	/*
81	 * This setting works for those device with
82	 * backdoor ASPM setting such as EPHY setting.
83	 * 0 - Not support ASPM,
84	 * 1 - Support ASPM,
85	 * 2 - According to chipset.
86	 */
87	rtlpci->const_support_pciaspm = 1;
88}
89
90static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
91{
92	int err;
93	u8 tid;
94	struct rtl_priv *rtlpriv = rtl_priv(hw);
95	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
96	const struct firmware *firmware;
97	static int header_print;
98
99	rtlpriv->dm.dm_initialgain_enable = true;
100	rtlpriv->dm.dm_flag = 0;
101	rtlpriv->dm.disable_framebursting = 0;
102	rtlpriv->dm.thermalvalue = 0;
103	rtlpriv->dm.useramask = 1;
104
105	/* dual mac */
106	if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
107		rtlpriv->phy.current_channel = 36;
108	else
109		rtlpriv->phy.current_channel = 1;
110
111	if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
112		rtlpriv->rtlhal.disable_amsdu_8k = true;
113		/* No long RX - reduce fragmentation */
114		rtlpci->rxbuffersize = 4096;
115	}
116
117	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
118
119	rtlpci->receive_config = (
120			RCR_APPFCS
121			| RCR_AMF
122			| RCR_ADF
123			| RCR_APP_MIC
124			| RCR_APP_ICV
125			| RCR_AICV
126			| RCR_ACRC32
127			| RCR_AB
128			| RCR_AM
129			| RCR_APM
130			| RCR_APP_PHYST_RXFF
131			| RCR_HTC_LOC_CTRL
132	);
133
134	rtlpci->irq_mask[0] = (u32) (
135			IMR_ROK
136			| IMR_VODOK
137			| IMR_VIDOK
138			| IMR_BEDOK
139			| IMR_BKDOK
140			| IMR_MGNTDOK
141			| IMR_HIGHDOK
142			| IMR_BDOK
143			| IMR_RDU
144			| IMR_RXFOVW
145	);
146
147	rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD);
148
149	/* for debug level */
150	rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
151	/* for LPS & IPS */
152	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
153	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
154	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
155	if (!rtlpriv->psc.inactiveps)
156		pr_info("rtl8192ce: Power Save off (module option)\n");
157	if (!rtlpriv->psc.fwctrl_lps)
158		pr_info("rtl8192ce: FW Power Save off (module option)\n");
159	rtlpriv->psc.reg_fwctrl_lps = 3;
160	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
161	/* for ASPM, you can close aspm through
162	 * set const_support_pciaspm = 0 */
163	rtl92d_init_aspm_vars(hw);
164
165	if (rtlpriv->psc.reg_fwctrl_lps == 1)
166		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
167	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
168		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
169	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
170		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
171
172	/* for firmware buf */
173	rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
174	if (!rtlpriv->rtlhal.pfirmware) {
175		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
176			 ("Can't alloc buffer for fw.\n"));
177		return 1;
178	}
179
180	if (!header_print) {
181		pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
182		pr_info("Loading firmware file %s\n", rtlpriv->cfg->fw_name);
183		header_print++;
184	}
185	/* request fw */
186	err = request_firmware(&firmware, rtlpriv->cfg->fw_name,
187			       rtlpriv->io.dev);
188	if (err) {
189		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
190			 ("Failed to request firmware!\n"));
191		return 1;
192	}
193	if (firmware->size > 0x8000) {
194		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
195			 ("Firmware is too big!\n"));
196		release_firmware(firmware);
197		return 1;
198	}
199	memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size);
200	rtlpriv->rtlhal.fwsize = firmware->size;
201	release_firmware(firmware);
202
203	/* for early mode */
204	rtlpriv->rtlhal.earlymode_enable = true;
205	for (tid = 0; tid < 8; tid++)
206		skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
207	return 0;
208}
209
210static void rtl92d_deinit_sw_vars(struct ieee80211_hw *hw)
211{
212	struct rtl_priv *rtlpriv = rtl_priv(hw);
213	u8 tid;
214
215	if (rtlpriv->rtlhal.pfirmware) {
216		vfree(rtlpriv->rtlhal.pfirmware);
217		rtlpriv->rtlhal.pfirmware = NULL;
218	}
219	for (tid = 0; tid < 8; tid++)
220		skb_queue_purge(&rtlpriv->mac80211.skb_waitq[tid]);
221}
222
223static struct rtl_hal_ops rtl8192de_hal_ops = {
224	.init_sw_vars = rtl92d_init_sw_vars,
225	.deinit_sw_vars = rtl92d_deinit_sw_vars,
226	.read_eeprom_info = rtl92de_read_eeprom_info,
227	.interrupt_recognized = rtl92de_interrupt_recognized,
228	.hw_init = rtl92de_hw_init,
229	.hw_disable = rtl92de_card_disable,
230	.hw_suspend = rtl92de_suspend,
231	.hw_resume = rtl92de_resume,
232	.enable_interrupt = rtl92de_enable_interrupt,
233	.disable_interrupt = rtl92de_disable_interrupt,
234	.set_network_type = rtl92de_set_network_type,
235	.set_chk_bssid = rtl92de_set_check_bssid,
236	.set_qos = rtl92de_set_qos,
237	.set_bcn_reg = rtl92de_set_beacon_related_registers,
238	.set_bcn_intv = rtl92de_set_beacon_interval,
239	.update_interrupt_mask = rtl92de_update_interrupt_mask,
240	.get_hw_reg = rtl92de_get_hw_reg,
241	.set_hw_reg = rtl92de_set_hw_reg,
242	.update_rate_tbl = rtl92de_update_hal_rate_tbl,
243	.fill_tx_desc = rtl92de_tx_fill_desc,
244	.fill_tx_cmddesc = rtl92de_tx_fill_cmddesc,
245	.query_rx_desc = rtl92de_rx_query_desc,
246	.set_channel_access = rtl92de_update_channel_access_setting,
247	.radio_onoff_checking = rtl92de_gpio_radio_on_off_checking,
248	.set_bw_mode = rtl92d_phy_set_bw_mode,
249	.switch_channel = rtl92d_phy_sw_chnl,
250	.dm_watchdog = rtl92d_dm_watchdog,
251	.scan_operation_backup = rtl92d_phy_scan_operation_backup,
252	.set_rf_power_state = rtl92d_phy_set_rf_power_state,
253	.led_control = rtl92de_led_control,
254	.set_desc = rtl92de_set_desc,
255	.get_desc = rtl92de_get_desc,
256	.tx_polling = rtl92de_tx_polling,
257	.enable_hw_sec = rtl92de_enable_hw_security_config,
258	.set_key = rtl92de_set_key,
259	.init_sw_leds = rtl92de_init_sw_leds,
260	.get_bbreg = rtl92d_phy_query_bb_reg,
261	.set_bbreg = rtl92d_phy_set_bb_reg,
262	.get_rfreg = rtl92d_phy_query_rf_reg,
263	.set_rfreg = rtl92d_phy_set_rf_reg,
264	.linked_set_reg = rtl92d_linked_set_reg,
265};
266
267static struct rtl_mod_params rtl92de_mod_params = {
268	.sw_crypto = false,
269	.inactiveps = true,
270	.swctrl_lps = true,
271	.fwctrl_lps = false,
272	.debug = DBG_EMERG,
273};
274
275static struct rtl_hal_cfg rtl92de_hal_cfg = {
276	.bar_id = 2,
277	.write_readback = true,
278	.name = "rtl8192de",
279	.fw_name = "rtlwifi/rtl8192defw.bin",
280	.ops = &rtl8192de_hal_ops,
281	.mod_params = &rtl92de_mod_params,
282
283	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
284	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
285	.maps[SYS_CLK] = REG_SYS_CLKR,
286	.maps[MAC_RCR_AM] = RCR_AM,
287	.maps[MAC_RCR_AB] = RCR_AB,
288	.maps[MAC_RCR_ACRC32] = RCR_ACRC32,
289	.maps[MAC_RCR_ACF] = RCR_ACF,
290	.maps[MAC_RCR_AAP] = RCR_AAP,
291
292	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
293	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
294	.maps[EFUSE_CLK] = 0,	/* just for 92se */
295	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
296	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
297	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
298	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
299	.maps[EFUSE_ANA8M] = 0,	/* just for 92se */
300	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
301	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
302	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
303
304	.maps[RWCAM] = REG_CAMCMD,
305	.maps[WCAMI] = REG_CAMWRITE,
306	.maps[RCAMO] = REG_CAMREAD,
307	.maps[CAMDBG] = REG_CAMDBG,
308	.maps[SECR] = REG_SECCFG,
309	.maps[SEC_CAM_NONE] = CAM_NONE,
310	.maps[SEC_CAM_WEP40] = CAM_WEP40,
311	.maps[SEC_CAM_TKIP] = CAM_TKIP,
312	.maps[SEC_CAM_AES] = CAM_AES,
313	.maps[SEC_CAM_WEP104] = CAM_WEP104,
314
315	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
316	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
317	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
318	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
319	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
320	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
321	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
322	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
323	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
324	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
325	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
326	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
327	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
328	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
329	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
330	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
331
332	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
333	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
334	.maps[RTL_IMR_BcnInt] = IMR_BcnInt,
335	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
336	.maps[RTL_IMR_RDU] = IMR_RDU,
337	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
338	.maps[RTL_IMR_BDOK] = IMR_BDOK,
339	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
340	.maps[RTL_IMR_TBDER] = IMR_TBDER,
341	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
342	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
343	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
344	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
345	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
346	.maps[RTL_IMR_VODOK] = IMR_VODOK,
347	.maps[RTL_IMR_ROK] = IMR_ROK,
348	.maps[RTL_IBSS_INT_MASKS] = (IMR_BcnInt | IMR_TBDOK | IMR_TBDER),
349
350	.maps[RTL_RC_CCK_RATE1M] = DESC92_RATE1M,
351	.maps[RTL_RC_CCK_RATE2M] = DESC92_RATE2M,
352	.maps[RTL_RC_CCK_RATE5_5M] = DESC92_RATE5_5M,
353	.maps[RTL_RC_CCK_RATE11M] = DESC92_RATE11M,
354	.maps[RTL_RC_OFDM_RATE6M] = DESC92_RATE6M,
355	.maps[RTL_RC_OFDM_RATE9M] = DESC92_RATE9M,
356	.maps[RTL_RC_OFDM_RATE12M] = DESC92_RATE12M,
357	.maps[RTL_RC_OFDM_RATE18M] = DESC92_RATE18M,
358	.maps[RTL_RC_OFDM_RATE24M] = DESC92_RATE24M,
359	.maps[RTL_RC_OFDM_RATE36M] = DESC92_RATE36M,
360	.maps[RTL_RC_OFDM_RATE48M] = DESC92_RATE48M,
361	.maps[RTL_RC_OFDM_RATE54M] = DESC92_RATE54M,
362
363	.maps[RTL_RC_HT_RATEMCS7] = DESC92_RATEMCS7,
364	.maps[RTL_RC_HT_RATEMCS15] = DESC92_RATEMCS15,
365};
366
367static struct pci_device_id rtl92de_pci_ids[] __devinitdata = {
368	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8193, rtl92de_hal_cfg)},
369	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x002B, rtl92de_hal_cfg)},
370	{},
371};
372
373MODULE_DEVICE_TABLE(pci, rtl92de_pci_ids);
374
375MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
376MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
377MODULE_AUTHOR("Larry Finger	<Larry.Finger@lwfinger.net>");
378MODULE_LICENSE("GPL");
379MODULE_DESCRIPTION("Realtek 8192DE 802.11n Dual Mac PCI wireless");
380MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
381
382module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
383module_param_named(debug, rtl92de_mod_params.debug, int, 0444);
384module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
385module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
386module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
387MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
388MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
389MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
390MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
391MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
392
393static const struct dev_pm_ops rtlwifi_pm_ops = {
394	.suspend = rtl_pci_suspend,
395	.resume = rtl_pci_resume,
396	.freeze = rtl_pci_suspend,
397	.thaw = rtl_pci_resume,
398	.poweroff = rtl_pci_suspend,
399	.restore = rtl_pci_resume,
400};
401
402static struct pci_driver rtl92de_driver = {
403	.name = KBUILD_MODNAME,
404	.id_table = rtl92de_pci_ids,
405	.probe = rtl_pci_probe,
406	.remove = rtl_pci_disconnect,
407	.driver.pm = &rtlwifi_pm_ops,
408};
409
410/* add global spin lock to solve the problem that
411 * Dul mac register operation on the same time */
412spinlock_t globalmutex_power;
413spinlock_t globalmutex_for_fwdownload;
414spinlock_t globalmutex_for_power_and_efuse;
415
416static int __init rtl92de_module_init(void)
417{
418	int ret = 0;
419
420	spin_lock_init(&globalmutex_power);
421	spin_lock_init(&globalmutex_for_fwdownload);
422	spin_lock_init(&globalmutex_for_power_and_efuse);
423
424	ret = pci_register_driver(&rtl92de_driver);
425	if (ret)
426		RT_ASSERT(false, (": No device found\n"));
427	return ret;
428}
429
430static void __exit rtl92de_module_exit(void)
431{
432	pci_unregister_driver(&rtl92de_driver);
433}
434
435module_init(rtl92de_module_init);
436module_exit(rtl92de_module_exit);
437