17641575eSAndré Lehmann // SPDX-License-Identifier: GPL-2.0
22865d42cSLarry Finger /******************************************************************************
32865d42cSLarry Finger *
42865d42cSLarry Finger * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
52865d42cSLarry Finger * Linux device driver for RTL8192SU
62865d42cSLarry Finger *
72865d42cSLarry Finger * Modifications for inclusion into the Linux staging tree are
82865d42cSLarry Finger * Copyright(c) 2010 Larry Finger. All rights reserved.
92865d42cSLarry Finger *
102865d42cSLarry Finger * Contact information:
112865d42cSLarry Finger * WLAN FAE <wlanfae@realtek.com>.
122865d42cSLarry Finger * Larry Finger <Larry.Finger@lwfinger.net>
132865d42cSLarry Finger *
142865d42cSLarry Finger ******************************************************************************/
152865d42cSLarry Finger
162865d42cSLarry Finger #define _HAL_INIT_C_
172865d42cSLarry Finger
18359140aaSAli Bahar #include <linux/usb.h>
19359140aaSAli Bahar #include <linux/device.h>
20359140aaSAli Bahar #include <linux/usb/ch9.h>
21359140aaSAli Bahar #include <linux/firmware.h>
2281e07c06SStephen Rothwell #include <linux/module.h>
23359140aaSAli Bahar
242865d42cSLarry Finger #include "osdep_service.h"
252865d42cSLarry Finger #include "drv_types.h"
2616e53729SLarry Finger #include "usb_osintf.h"
272865d42cSLarry Finger
282865d42cSLarry Finger #define FWBUFF_ALIGN_SZ 512
294911537cSMauro Dreissig #define MAX_DUMP_FWSZ (48 * 1024)
302865d42cSLarry Finger
rtl871x_load_fw_fail(struct _adapter * adapter)318c213fa5SLarry Finger static void rtl871x_load_fw_fail(struct _adapter *adapter)
322865d42cSLarry Finger {
33286570fbSNishka Dasgupta struct usb_device *udev = adapter->dvobjpriv.pusbdev;
342865d42cSLarry Finger struct device *dev = &udev->dev;
358c213fa5SLarry Finger struct device *parent = dev->parent;
36286570fbSNishka Dasgupta
37286570fbSNishka Dasgupta complete(&adapter->rtl8712_fw_ready);
386a7cbc38SSarah Khan
3987a573adSPrzemo Firszt dev_err(&udev->dev, "r8712u: Firmware request failed\n");
408c213fa5SLarry Finger
41286570fbSNishka Dasgupta if (parent)
42*e02a3b94SPavel Skripkin device_lock(parent);
43*e02a3b94SPavel Skripkin
44b4383c97SRustam Kovhaev device_release_driver(dev);
45*e02a3b94SPavel Skripkin
468c213fa5SLarry Finger if (parent)
478c213fa5SLarry Finger device_unlock(parent);
48286570fbSNishka Dasgupta }
498c213fa5SLarry Finger
rtl871x_load_fw_cb(const struct firmware * firmware,void * context)50286570fbSNishka Dasgupta static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context)
51b4383c97SRustam Kovhaev {
528c213fa5SLarry Finger struct _adapter *adapter = context;
538c213fa5SLarry Finger
548c213fa5SLarry Finger if (!firmware) {
558c213fa5SLarry Finger rtl871x_load_fw_fail(adapter);
568c213fa5SLarry Finger return;
578c213fa5SLarry Finger }
588c213fa5SLarry Finger adapter->fw = firmware;
598c213fa5SLarry Finger /* firmware available - start netdev */
608c213fa5SLarry Finger register_netdev(adapter->pnetdev);
618c213fa5SLarry Finger complete(&adapter->rtl8712_fw_ready);
6287a573adSPrzemo Firszt }
638c213fa5SLarry Finger
648c213fa5SLarry Finger static const char firmware_file[] = "rtlwifi/rtl8712u.bin";
658c213fa5SLarry Finger
rtl871x_load_fw(struct _adapter * padapter)6687a573adSPrzemo Firszt int rtl871x_load_fw(struct _adapter *padapter)
678c213fa5SLarry Finger {
688c213fa5SLarry Finger struct device *dev = &padapter->dvobjpriv.pusbdev->dev;
698c213fa5SLarry Finger int rc;
708c213fa5SLarry Finger
71286570fbSNishka Dasgupta init_completion(&padapter->rtl8712_fw_ready);
728c213fa5SLarry Finger dev_info(dev, "r8712u: Loading firmware from \"%s\"\n", firmware_file);
73286570fbSNishka Dasgupta rc = request_firmware_nowait(THIS_MODULE, 1, firmware_file, dev,
74a3232e64SMauro Dreissig GFP_KERNEL, padapter, rtl871x_load_fw_cb);
75a3232e64SMauro Dreissig if (rc)
76c84a7028SLarry Finger dev_err(dev, "r8712u: Firmware request error %d\n", rc);
77c84a7028SLarry Finger return rc;
78f1a4423fSMauro Dreissig }
79f1a4423fSMauro Dreissig MODULE_FIRMWARE("rtlwifi/rtl8712u.bin");
802865d42cSLarry Finger
rtl871x_open_fw(struct _adapter * adapter,const u8 ** mappedfw)812865d42cSLarry Finger static u32 rtl871x_open_fw(struct _adapter *adapter, const u8 **mappedfw)
82286570fbSNishka Dasgupta {
832865d42cSLarry Finger if (adapter->fw->size > 200000) {
84286570fbSNishka Dasgupta dev_err(&adapter->pnetdev->dev, "r8712u: Bad fw->size of %zu\n",
85286570fbSNishka Dasgupta adapter->fw->size);
862865d42cSLarry Finger return 0;
87286570fbSNishka Dasgupta }
882865d42cSLarry Finger *mappedfw = adapter->fw->data;
89286570fbSNishka Dasgupta return adapter->fw->size;
90286570fbSNishka Dasgupta }
91286570fbSNishka Dasgupta
fill_fwpriv(struct _adapter * adapter,struct fw_priv * fwpriv)92286570fbSNishka Dasgupta static void fill_fwpriv(struct _adapter *adapter, struct fw_priv *fwpriv)
932865d42cSLarry Finger {
94286570fbSNishka Dasgupta struct dvobj_priv *dvobj = &adapter->dvobjpriv;
952865d42cSLarry Finger struct registry_priv *regpriv = &adapter->registrypriv;
962865d42cSLarry Finger
97286570fbSNishka Dasgupta memset(fwpriv, 0, sizeof(struct fw_priv));
982865d42cSLarry Finger /* todo: check if needs endian conversion */
992865d42cSLarry Finger fwpriv->hci_sel = RTL8712_HCI_TYPE_72USB;
1002865d42cSLarry Finger fwpriv->usb_ep_num = (u8)dvobj->nr_endpoint;
101286570fbSNishka Dasgupta fwpriv->bw_40MHz_en = regpriv->cbw40_enable;
1022865d42cSLarry Finger switch (regpriv->rf_config) {
1034e4a6b7cSMauro Dreissig case RTL8712_RF_1T1R:
104a77a40cfSBhagyashri Dighole fwpriv->rf_config = RTL8712_RFC_1T1R;
105286570fbSNishka Dasgupta break;
106286570fbSNishka Dasgupta case RTL8712_RF_2T2R:
107365b0163SRobert Eshleman fwpriv->rf_config = RTL8712_RFC_2T2R;
1084e4a6b7cSMauro Dreissig break;
109286570fbSNishka Dasgupta case RTL8712_RF_1T2R:
1102865d42cSLarry Finger default:
1112865d42cSLarry Finger fwpriv->rf_config = RTL8712_RFC_1T2R;
1122865d42cSLarry Finger }
1132865d42cSLarry Finger fwpriv->mp_mode = (regpriv->mp_mode == 1);
114aa2e04bcSJannik Becher /* 0:off 1:on 2:auto */
115aa2e04bcSJannik Becher fwpriv->vcs_type = regpriv->vrtl_carrier_sense;
1162865d42cSLarry Finger fwpriv->vcs_mode = regpriv->vcs_type; /* 1:RTS/CTS 2:CTS to self */
117aa2e04bcSJannik Becher /* default enable turbo_mode */
1182865d42cSLarry Finger fwpriv->turbo_mode = (regpriv->wifi_test != 1);
119aa2e04bcSJannik Becher fwpriv->low_power_mode = regpriv->low_power;
1202865d42cSLarry Finger }
121aa2e04bcSJannik Becher
update_fwhdr(struct fw_hdr * pfwhdr,const u8 * pmappedfw)1222865d42cSLarry Finger static void update_fwhdr(struct fw_hdr *pfwhdr, const u8 *pmappedfw)
123aa2e04bcSJannik Becher {
1242865d42cSLarry Finger pfwhdr->signature = le16_to_cpu(*(__le16 *)pmappedfw);
1252865d42cSLarry Finger pfwhdr->version = le16_to_cpu(*(__le16 *)(pmappedfw + 2));
1262865d42cSLarry Finger /* define the size of boot loader */
1272865d42cSLarry Finger pfwhdr->dmem_size = le32_to_cpu(*(__le32 *)(pmappedfw + 4));
1282865d42cSLarry Finger /* define the size of FW in IMEM */
1292865d42cSLarry Finger pfwhdr->img_IMEM_size = le32_to_cpu(*(__le32 *)(pmappedfw + 8));
1302865d42cSLarry Finger /* define the size of FW in SRAM */
1312865d42cSLarry Finger pfwhdr->img_SRAM_size = le32_to_cpu(*(__le32 *)(pmappedfw + 12));
1322865d42cSLarry Finger /* define the size of DMEM variable */
1332865d42cSLarry Finger pfwhdr->fw_priv_sz = le32_to_cpu(*(__le32 *)(pmappedfw + 16));
1342865d42cSLarry Finger }
1352865d42cSLarry Finger
chk_fwhdr(struct fw_hdr * pfwhdr,u32 ulfilelength)1362865d42cSLarry Finger static u8 chk_fwhdr(struct fw_hdr *pfwhdr, u32 ulfilelength)
1372becc421SMauro Dreissig {
1382865d42cSLarry Finger u32 fwhdrsz, fw_sz;
1392865d42cSLarry Finger
1402865d42cSLarry Finger /* check signature */
1412865d42cSLarry Finger if ((pfwhdr->signature != 0x8712) && (pfwhdr->signature != 0x8192))
1422865d42cSLarry Finger return _FAIL;
1432865d42cSLarry Finger /* check fw_priv_sze & sizeof(struct fw_priv) */
1442865d42cSLarry Finger if (pfwhdr->fw_priv_sz != sizeof(struct fw_priv))
145286570fbSNishka Dasgupta return _FAIL;
1462865d42cSLarry Finger /* check fw_sz & image_fw_sz */
1472865d42cSLarry Finger fwhdrsz = offsetof(struct fw_hdr, fwpriv) + pfwhdr->fw_priv_sz;
1482865d42cSLarry Finger fw_sz = fwhdrsz + pfwhdr->img_IMEM_size + pfwhdr->img_SRAM_size +
1492865d42cSLarry Finger pfwhdr->dmem_size;
150e29d3ebcSSudip Mukherjee if (fw_sz != ulfilelength)
1512865d42cSLarry Finger return _FAIL;
1522865d42cSLarry Finger return _SUCCESS;
1532865d42cSLarry Finger }
154286570fbSNishka Dasgupta
rtl8712_dl_fw(struct _adapter * adapter)155286570fbSNishka Dasgupta static u8 rtl8712_dl_fw(struct _adapter *adapter)
156286570fbSNishka Dasgupta {
1572865d42cSLarry Finger sint i;
158e375870bSLarry Finger u8 tmp8, tmp8_a;
1592865d42cSLarry Finger u16 tmp16;
160286570fbSNishka Dasgupta u32 maxlen = 0; /* for compare usage */
161286570fbSNishka Dasgupta uint dump_imem_sz, imem_sz, dump_emem_sz, emem_sz; /* max = 49152; */
162286570fbSNishka Dasgupta struct fw_hdr fwhdr;
1632865d42cSLarry Finger u32 ulfilelength; /* FW file size */
1648c213fa5SLarry Finger const u8 *mappedfw = NULL;
165286570fbSNishka Dasgupta u8 *tmpchar = NULL, *payload, *ptr;
1662865d42cSLarry Finger struct tx_desc *txdesc;
1672865d42cSLarry Finger u32 txdscp_sz = sizeof(struct tx_desc);
1682865d42cSLarry Finger u8 ret = _FAIL;
1692865d42cSLarry Finger
170286570fbSNishka Dasgupta ulfilelength = rtl871x_open_fw(adapter, &mappedfw);
171286570fbSNishka Dasgupta if (mappedfw && (ulfilelength > 0)) {
1728c213fa5SLarry Finger update_fwhdr(&fwhdr, mappedfw);
1732865d42cSLarry Finger if (chk_fwhdr(&fwhdr, ulfilelength) == _FAIL)
174286570fbSNishka Dasgupta return ret;
175286570fbSNishka Dasgupta fill_fwpriv(adapter, &fwhdr.fwpriv);
176286570fbSNishka Dasgupta /* firmware check ok */
1772becc421SMauro Dreissig maxlen = (fwhdr.img_IMEM_size > fwhdr.img_SRAM_size) ?
1782865d42cSLarry Finger fwhdr.img_IMEM_size : fwhdr.img_SRAM_size;
1792865d42cSLarry Finger maxlen += txdscp_sz;
1802865d42cSLarry Finger tmpchar = kmalloc(maxlen + FWBUFF_ALIGN_SZ, GFP_KERNEL);
1812865d42cSLarry Finger if (!tmpchar)
1822865d42cSLarry Finger return ret;
183286570fbSNishka Dasgupta
184168a2c10SLuis de Bethencourt txdesc = (struct tx_desc *)(tmpchar + FWBUFF_ALIGN_SZ -
1852865d42cSLarry Finger ((addr_t)(tmpchar) & (FWBUFF_ALIGN_SZ - 1)));
186168a2c10SLuis de Bethencourt payload = (u8 *)(txdesc) + txdscp_sz;
1872865d42cSLarry Finger ptr = (u8 *)mappedfw + offsetof(struct fw_hdr, fwpriv) +
188286570fbSNishka Dasgupta fwhdr.fw_priv_sz;
1892865d42cSLarry Finger /* Download FirmWare */
190286570fbSNishka Dasgupta /* 1. determine IMEM code size and Load IMEM Code Section */
1912865d42cSLarry Finger imem_sz = fwhdr.img_IMEM_size;
192286570fbSNishka Dasgupta do {
193286570fbSNishka Dasgupta memset(txdesc, 0, TXDESC_SIZE);
1942865d42cSLarry Finger if (imem_sz > MAX_DUMP_FWSZ/*49152*/) {
195286570fbSNishka Dasgupta dump_imem_sz = MAX_DUMP_FWSZ;
1962865d42cSLarry Finger } else {
1972865d42cSLarry Finger dump_imem_sz = imem_sz;
1982865d42cSLarry Finger txdesc->txdw0 |= cpu_to_le32(BIT(28));
1992865d42cSLarry Finger }
200286570fbSNishka Dasgupta txdesc->txdw0 |= cpu_to_le32(dump_imem_sz &
2012865d42cSLarry Finger 0x0000ffff);
202942eaa86SAmitoj Kaur Chawla memcpy(payload, ptr, dump_imem_sz);
203286570fbSNishka Dasgupta r8712_write_mem(adapter, RTL8712_DMA_VOQ,
2042865d42cSLarry Finger dump_imem_sz + TXDESC_SIZE,
2052865d42cSLarry Finger (u8 *)txdesc);
2062865d42cSLarry Finger ptr += dump_imem_sz;
2072865d42cSLarry Finger imem_sz -= dump_imem_sz;
2082865d42cSLarry Finger } while (imem_sz > 0);
2092865d42cSLarry Finger i = 10;
2102865d42cSLarry Finger tmp16 = r8712_read16(adapter, TCR);
2112865d42cSLarry Finger while (((tmp16 & _IMEM_CODE_DONE) == 0) && (i > 0)) {
212286570fbSNishka Dasgupta usleep_range(10, 1000);
213a7e58591SLiam Ryan tmp16 = r8712_read16(adapter, TCR);
2142865d42cSLarry Finger i--;
215a7e58591SLiam Ryan }
2162865d42cSLarry Finger if (i == 0 || (tmp16 & _IMEM_CHK_RPT) == 0)
217286570fbSNishka Dasgupta goto exit_fail;
2182865d42cSLarry Finger
219286570fbSNishka Dasgupta /* 2.Download EMEM code size and Load EMEM Code Section */
2202865d42cSLarry Finger emem_sz = fwhdr.img_SRAM_size;
221286570fbSNishka Dasgupta do {
222286570fbSNishka Dasgupta memset(txdesc, 0, TXDESC_SIZE);
223e7d992d8SParth Sane if (emem_sz > MAX_DUMP_FWSZ) { /* max=48k */
224286570fbSNishka Dasgupta dump_emem_sz = MAX_DUMP_FWSZ;
2252865d42cSLarry Finger } else {
2262865d42cSLarry Finger dump_emem_sz = emem_sz;
2272865d42cSLarry Finger txdesc->txdw0 |= cpu_to_le32(BIT(28));
2282865d42cSLarry Finger }
229286570fbSNishka Dasgupta txdesc->txdw0 |= cpu_to_le32(dump_emem_sz &
2302865d42cSLarry Finger 0x0000ffff);
231942eaa86SAmitoj Kaur Chawla memcpy(payload, ptr, dump_emem_sz);
232286570fbSNishka Dasgupta r8712_write_mem(adapter, RTL8712_DMA_VOQ,
2332865d42cSLarry Finger dump_emem_sz + TXDESC_SIZE,
2342865d42cSLarry Finger (u8 *)txdesc);
2352865d42cSLarry Finger ptr += dump_emem_sz;
2362865d42cSLarry Finger emem_sz -= dump_emem_sz;
2372865d42cSLarry Finger } while (emem_sz > 0);
2382865d42cSLarry Finger i = 5;
239286570fbSNishka Dasgupta tmp16 = r8712_read16(adapter, TCR);
240286570fbSNishka Dasgupta while (((tmp16 & _EMEM_CODE_DONE) == 0) && (i > 0)) {
241286570fbSNishka Dasgupta usleep_range(10, 1000);
2422865d42cSLarry Finger tmp16 = r8712_read16(adapter, TCR);
2432865d42cSLarry Finger i--;
2442865d42cSLarry Finger }
245286570fbSNishka Dasgupta if (i == 0 || (tmp16 & _EMEM_CHK_RPT) == 0)
246286570fbSNishka Dasgupta goto exit_fail;
247286570fbSNishka Dasgupta
2482865d42cSLarry Finger /* 3.Enable CPU */
2492865d42cSLarry Finger tmp8 = r8712_read8(adapter, SYS_CLKR);
2502865d42cSLarry Finger r8712_write8(adapter, SYS_CLKR, tmp8 | BIT(2));
251286570fbSNishka Dasgupta tmp8_a = r8712_read8(adapter, SYS_CLKR);
2522865d42cSLarry Finger if (tmp8_a != (tmp8 | BIT(2)))
2532865d42cSLarry Finger goto exit_fail;
2542865d42cSLarry Finger
255286570fbSNishka Dasgupta tmp8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
2562865d42cSLarry Finger r8712_write8(adapter, SYS_FUNC_EN + 1, tmp8 | BIT(2));
2572865d42cSLarry Finger tmp8_a = r8712_read8(adapter, SYS_FUNC_EN + 1);
258286570fbSNishka Dasgupta if (tmp8_a != (tmp8 | BIT(2)))
2592865d42cSLarry Finger goto exit_fail;
2602865d42cSLarry Finger
2612865d42cSLarry Finger r8712_read32(adapter, TCR);
262286570fbSNishka Dasgupta
263286570fbSNishka Dasgupta /* 4.polling IMEM Ready */
264286570fbSNishka Dasgupta i = 100;
265286570fbSNishka Dasgupta tmp16 = r8712_read16(adapter, TCR);
266286570fbSNishka Dasgupta while (((tmp16 & _IMEM_RDY) == 0) && (i > 0)) {
267286570fbSNishka Dasgupta msleep(20);
2682865d42cSLarry Finger tmp16 = r8712_read16(adapter, TCR);
2692865d42cSLarry Finger i--;
2702865d42cSLarry Finger }
271286570fbSNishka Dasgupta if (i == 0) {
272286570fbSNishka Dasgupta r8712_write16(adapter, 0x10250348, 0xc000);
273286570fbSNishka Dasgupta r8712_write16(adapter, 0x10250348, 0xc001);
274286570fbSNishka Dasgupta r8712_write16(adapter, 0x10250348, 0x2000);
275286570fbSNishka Dasgupta r8712_write16(adapter, 0x10250348, 0x2001);
276286570fbSNishka Dasgupta r8712_write16(adapter, 0x10250348, 0x2002);
2772865d42cSLarry Finger r8712_write16(adapter, 0x10250348, 0x2003);
2782865d42cSLarry Finger goto exit_fail;
2792865d42cSLarry Finger }
280286570fbSNishka Dasgupta /* 5.Download DMEM code size and Load EMEM Code Section */
2812865d42cSLarry Finger memset(txdesc, 0, TXDESC_SIZE);
2822865d42cSLarry Finger txdesc->txdw0 |= cpu_to_le32(fwhdr.fw_priv_sz & 0x0000ffff);
283286570fbSNishka Dasgupta txdesc->txdw0 |= cpu_to_le32(BIT(28));
2842865d42cSLarry Finger memcpy(payload, &fwhdr.fwpriv, fwhdr.fw_priv_sz);
2852865d42cSLarry Finger r8712_write_mem(adapter, RTL8712_DMA_VOQ,
2862865d42cSLarry Finger fwhdr.fw_priv_sz + TXDESC_SIZE, (u8 *)txdesc);
2872865d42cSLarry Finger
2882865d42cSLarry Finger /* polling dmem code done */
289286570fbSNishka Dasgupta i = 100;
2902865d42cSLarry Finger tmp16 = r8712_read16(adapter, TCR);
2914dadfb97SJuliana Rodrigues while (((tmp16 & _DMEM_CODE_DONE) == 0) && (i > 0)) {
2924dadfb97SJuliana Rodrigues msleep(20);
2932865d42cSLarry Finger tmp16 = r8712_read16(adapter, TCR);
2942865d42cSLarry Finger i--;
2952865d42cSLarry Finger }
296286570fbSNishka Dasgupta if (i == 0)
2972865d42cSLarry Finger goto exit_fail;
2982865d42cSLarry Finger
299286570fbSNishka Dasgupta tmp8 = r8712_read8(adapter, 0x1025000A);
3002865d42cSLarry Finger if (tmp8 & BIT(4)) /* When boot from EEPROM,
3012865d42cSLarry Finger * & FW need more time to read EEPROM
3022865d42cSLarry Finger */
3032865d42cSLarry Finger i = 60;
304168a2c10SLuis de Bethencourt else /* boot from EFUSE */
3052865d42cSLarry Finger i = 30;
306168a2c10SLuis de Bethencourt tmp16 = r8712_read16(adapter, TCR);
307e375870bSLarry Finger while (((tmp16 & _FWRDY) == 0) && (i > 0)) {
3082865d42cSLarry Finger msleep(100);
3092865d42cSLarry Finger tmp16 = r8712_read16(adapter, TCR);
310286570fbSNishka Dasgupta i--;
311e375870bSLarry Finger }
3122865d42cSLarry Finger if (i == 0)
3132865d42cSLarry Finger goto exit_fail;
3142865d42cSLarry Finger } else {
3152865d42cSLarry Finger goto exit_fail;
3162865d42cSLarry Finger }
3172865d42cSLarry Finger ret = _SUCCESS;
3182865d42cSLarry Finger
3192865d42cSLarry Finger exit_fail:
3202865d42cSLarry Finger kfree(tmpchar);
3212865d42cSLarry Finger return ret;
3222865d42cSLarry Finger }
32387a573adSPrzemo Firszt
rtl8712_hal_init(struct _adapter * padapter)32487a573adSPrzemo Firszt uint rtl8712_hal_init(struct _adapter *padapter)
3252865d42cSLarry Finger {
3262865d42cSLarry Finger u32 val32;
3274dadfb97SJuliana Rodrigues int i;
3284dadfb97SJuliana Rodrigues
32987a573adSPrzemo Firszt /* r8712 firmware download */
33087a573adSPrzemo Firszt if (rtl8712_dl_fw(padapter) != _SUCCESS)
3312865d42cSLarry Finger return _FAIL;
3322865d42cSLarry Finger
3332865d42cSLarry Finger netdev_info(padapter->pnetdev, "1 RCR=0x%x\n",
3342865d42cSLarry Finger r8712_read32(padapter, RCR));
3352865d42cSLarry Finger val32 = r8712_read32(padapter, RCR);
3362865d42cSLarry Finger r8712_write32(padapter, RCR, (val32 | BIT(26))); /* Enable RX TCP
3372865d42cSLarry Finger * Checksum offload
3382865d42cSLarry Finger */
3392865d42cSLarry Finger netdev_info(padapter->pnetdev, "2 RCR=0x%x\n",
3402865d42cSLarry Finger r8712_read32(padapter, RCR));
3414dadfb97SJuliana Rodrigues val32 = r8712_read32(padapter, RCR);
3424dadfb97SJuliana Rodrigues r8712_write32(padapter, RCR, (val32 | BIT(25))); /* Append PHY status */
3432865d42cSLarry Finger val32 = r8712_read32(padapter, 0x10250040);
3442865d42cSLarry Finger r8712_write32(padapter, 0x10250040, (val32 & 0x00FFFFFF));
3452865d42cSLarry Finger /* for usb rx aggregation */
3462865d42cSLarry Finger r8712_write8(padapter, 0x102500B5, r8712_read8(padapter, 0x102500B5) |
347f1c9ea1aSMauro Dreissig BIT(0)); /* page = 128bytes */
3482865d42cSLarry Finger r8712_write8(padapter, 0x102500BD, r8712_read8(padapter, 0x102500BD) |
3492865d42cSLarry Finger BIT(7)); /* enable usb rx aggregation */
3502865d42cSLarry Finger r8712_write8(padapter, 0x102500D9, 1); /* TH=1 => means that invalidate
3512865d42cSLarry Finger * usb rx aggregation
3522865d42cSLarry Finger */
3532865d42cSLarry Finger r8712_write8(padapter, 0x1025FE5B, 0x04); /* 1.7ms/4 */
3542865d42cSLarry Finger /* Fix the RX FIFO issue(USB error) */
3552865d42cSLarry Finger r8712_write8(padapter, 0x1025fe5C, r8712_read8(padapter, 0x1025fe5C)
3562865d42cSLarry Finger | BIT(7));
3572865d42cSLarry Finger for (i = 0; i < ETH_ALEN; i++)
3582865d42cSLarry Finger padapter->eeprompriv.mac_addr[i] = r8712_read8(padapter,
3592865d42cSLarry Finger MACID + i);
3602865d42cSLarry Finger return _SUCCESS;
3612865d42cSLarry Finger }
3622865d42cSLarry Finger
rtl8712_hal_deinit(struct _adapter * padapter)3634dadfb97SJuliana Rodrigues uint rtl8712_hal_deinit(struct _adapter *padapter)
3644dadfb97SJuliana Rodrigues {
3652865d42cSLarry Finger r8712_write8(padapter, RF_CTRL, 0x00);
3662865d42cSLarry Finger /* Turn off BB */
3672865d42cSLarry Finger msleep(20);
3682865d42cSLarry Finger /* Turn off MAC */
3692865d42cSLarry Finger r8712_write8(padapter, SYS_CLKR + 1, 0x38); /* Switch Control Path */
3702865d42cSLarry Finger r8712_write8(padapter, SYS_FUNC_EN + 1, 0x70);
3712865d42cSLarry Finger r8712_write8(padapter, PMC_FSM, 0x06); /* Enable Loader Data Keep */
3722865d42cSLarry Finger r8712_write8(padapter, SYS_ISO_CTRL, 0xF9); /* Isolation signals from
3732865d42cSLarry Finger * CORE, PLL
3742865d42cSLarry Finger */
3752865d42cSLarry Finger r8712_write8(padapter, SYS_ISO_CTRL + 1, 0xe8); /* Enable EFUSE 1.2V */
3762865d42cSLarry Finger r8712_write8(padapter, AFE_PLL_CTRL, 0x00); /* Disable AFE PLL. */
3772865d42cSLarry Finger r8712_write8(padapter, LDOA15_CTRL, 0x54); /* Disable A15V */
3782865d42cSLarry Finger r8712_write8(padapter, SYS_FUNC_EN + 1, 0x50); /* Disable E-Fuse 1.2V */
3792865d42cSLarry Finger r8712_write8(padapter, LDOV12D_CTRL, 0x24); /* Disable LDO12(for CE) */
3808d2884acSAmitoj Kaur Chawla r8712_write8(padapter, AFE_MISC, 0x30); /* Disable AFE BG&MB */
3812865d42cSLarry Finger /* Option for Disable 1.6V LDO. */
3822865d42cSLarry Finger r8712_write8(padapter, SPS0_CTRL, 0x56); /* Disable 1.6V LDO */
3832865d42cSLarry Finger r8712_write8(padapter, SPS0_CTRL + 1, 0x43); /* Set SW PFM */
384168a2c10SLuis de Bethencourt return _SUCCESS;
3852865d42cSLarry Finger }
386168a2c10SLuis de Bethencourt
rtl871x_hal_init(struct _adapter * padapter)3872865d42cSLarry Finger uint rtl871x_hal_init(struct _adapter *padapter)
3882865d42cSLarry Finger {
3892865d42cSLarry Finger padapter->hw_init_completed = false;
3902865d42cSLarry Finger if (!padapter->halpriv.hal_bus_init)
3912865d42cSLarry Finger return _FAIL;
392 if (padapter->halpriv.hal_bus_init(padapter) != _SUCCESS)
393 return _FAIL;
394 if (rtl8712_hal_init(padapter) == _SUCCESS) {
395 padapter->hw_init_completed = true;
396 } else {
397 padapter->hw_init_completed = false;
398 return _FAIL;
399 }
400 return _SUCCESS;
401 }
402