12865d42cSLarry Finger /****************************************************************************** 22865d42cSLarry Finger * rtl8712_cmd.c 32865d42cSLarry Finger * 42865d42cSLarry Finger * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. 52865d42cSLarry Finger * Linux device driver for RTL8192SU 62865d42cSLarry Finger * 72865d42cSLarry Finger * This program is free software; you can redistribute it and/or modify it 82865d42cSLarry Finger * under the terms of version 2 of the GNU General Public License as 92865d42cSLarry Finger * published by the Free Software Foundation. 102865d42cSLarry Finger * 112865d42cSLarry Finger * This program is distributed in the hope that it will be useful, but WITHOUT 122865d42cSLarry Finger * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 132865d42cSLarry Finger * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 142865d42cSLarry Finger * more details. 152865d42cSLarry Finger * 162865d42cSLarry Finger * You should have received a copy of the GNU General Public License along with 172865d42cSLarry Finger * this program; if not, write to the Free Software Foundation, Inc., 182865d42cSLarry Finger * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 192865d42cSLarry Finger * 202865d42cSLarry Finger * Modifications for inclusion into the Linux staging tree are 212865d42cSLarry Finger * Copyright(c) 2010 Larry Finger. All rights reserved. 222865d42cSLarry Finger * 232865d42cSLarry Finger * Contact information: 242865d42cSLarry Finger * WLAN FAE <wlanfae@realtek.com>. 252865d42cSLarry Finger * Larry Finger <Larry.Finger@lwfinger.net> 262865d42cSLarry Finger * 272865d42cSLarry Finger ******************************************************************************/ 282865d42cSLarry Finger 292865d42cSLarry Finger #define _RTL8712_CMD_C_ 302865d42cSLarry Finger 31359140aaSAli Bahar #include <linux/compiler.h> 32359140aaSAli Bahar #include <linux/kernel.h> 33359140aaSAli Bahar #include <linux/errno.h> 34359140aaSAli Bahar #include <linux/slab.h> 353f07c014SIngo Molnar #include <linux/sched/signal.h> 36359140aaSAli Bahar #include <linux/module.h> 37359140aaSAli Bahar #include <linux/kref.h> 38359140aaSAli Bahar #include <linux/netdevice.h> 39359140aaSAli Bahar #include <linux/skbuff.h> 40359140aaSAli Bahar #include <linux/usb.h> 41359140aaSAli Bahar #include <linux/usb/ch9.h> 42359140aaSAli Bahar #include <linux/circ_buf.h> 43359140aaSAli Bahar #include <linux/uaccess.h> 44359140aaSAli Bahar #include <asm/byteorder.h> 45359140aaSAli Bahar #include <linux/atomic.h> 46359140aaSAli Bahar #include <linux/semaphore.h> 47359140aaSAli Bahar #include <linux/rtnetlink.h> 48359140aaSAli Bahar 492865d42cSLarry Finger #include "osdep_service.h" 502865d42cSLarry Finger #include "drv_types.h" 512865d42cSLarry Finger #include "recv_osdep.h" 522865d42cSLarry Finger #include "mlme_osdep.h" 532865d42cSLarry Finger #include "rtl871x_ioctl_set.h" 542865d42cSLarry Finger 552865d42cSLarry Finger static void check_hw_pbc(struct _adapter *padapter) 562865d42cSLarry Finger { 572865d42cSLarry Finger u8 tmp1byte; 582865d42cSLarry Finger 592865d42cSLarry Finger r8712_write8(padapter, MAC_PINMUX_CTRL, (GPIOMUX_EN | GPIOSEL_GPIO)); 602865d42cSLarry Finger tmp1byte = r8712_read8(padapter, GPIO_IO_SEL); 612865d42cSLarry Finger tmp1byte &= ~(HAL_8192S_HW_GPIO_WPS_BIT); 622865d42cSLarry Finger r8712_write8(padapter, GPIO_IO_SEL, tmp1byte); 632865d42cSLarry Finger tmp1byte = r8712_read8(padapter, GPIO_CTRL); 642865d42cSLarry Finger if (tmp1byte == 0xff) 652865d42cSLarry Finger return; 662865d42cSLarry Finger if (tmp1byte & HAL_8192S_HW_GPIO_WPS_BIT) { 672865d42cSLarry Finger /* Here we only set bPbcPressed to true 68ed9c838aSPunit Vara * After trigger PBC, the variable will be set to false 69ed9c838aSPunit Vara */ 702865d42cSLarry Finger DBG_8712("CheckPbcGPIO - PBC is pressed !!!!\n"); 712865d42cSLarry Finger /* 0 is the default value and it means the application monitors 72ed9c838aSPunit Vara * the HW PBC doesn't provide its pid to driver. 73ed9c838aSPunit Vara */ 742865d42cSLarry Finger if (padapter->pid == 0) 752865d42cSLarry Finger return; 762865d42cSLarry Finger kill_pid(find_vpid(padapter->pid), SIGUSR1, 1); 772865d42cSLarry Finger } 782865d42cSLarry Finger } 792865d42cSLarry Finger 802865d42cSLarry Finger /* query rx phy status from fw. 812865d42cSLarry Finger * Adhoc mode: beacon. 82ed9c838aSPunit Vara * Infrastructure mode: beacon , data. 83ed9c838aSPunit Vara */ 842865d42cSLarry Finger static void query_fw_rx_phy_status(struct _adapter *padapter) 852865d42cSLarry Finger { 862865d42cSLarry Finger u32 val32 = 0; 872865d42cSLarry Finger int pollingcnts = 50; 882865d42cSLarry Finger 891ca96884SLuis de Bethencourt if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) { 902865d42cSLarry Finger r8712_write32(padapter, IOCMD_CTRL_REG, 0xf4000001); 912865d42cSLarry Finger msleep(100); 922865d42cSLarry Finger /* Wait FW complete IO Cmd */ 932865d42cSLarry Finger while ((r8712_read32(padapter, IOCMD_CTRL_REG)) && 942865d42cSLarry Finger (pollingcnts > 0)) { 952865d42cSLarry Finger pollingcnts--; 962865d42cSLarry Finger msleep(20); 972865d42cSLarry Finger } 982865d42cSLarry Finger if (pollingcnts != 0) 992865d42cSLarry Finger val32 = r8712_read32(padapter, IOCMD_DATA_REG); 1002865d42cSLarry Finger else /* time out */ 1012865d42cSLarry Finger val32 = 0; 102ae52e527SAya Mahfouz val32 >>= 4; 1032865d42cSLarry Finger padapter->recvpriv.fw_rssi = 1042865d42cSLarry Finger (u8)r8712_signal_scale_mapping(val32); 1052865d42cSLarry Finger } 1062865d42cSLarry Finger } 1072865d42cSLarry Finger 1082865d42cSLarry Finger /* check mlme, hw, phy, or dynamic algorithm status. */ 1092865d42cSLarry Finger static void StatusWatchdogCallback(struct _adapter *padapter) 1102865d42cSLarry Finger { 1112865d42cSLarry Finger check_hw_pbc(padapter); 1122865d42cSLarry Finger query_fw_rx_phy_status(padapter); 1132865d42cSLarry Finger } 1142865d42cSLarry Finger 1152865d42cSLarry Finger static void r871x_internal_cmd_hdl(struct _adapter *padapter, u8 *pbuf) 1162865d42cSLarry Finger { 1172865d42cSLarry Finger struct drvint_cmd_parm *pdrvcmd; 1182865d42cSLarry Finger 1192865d42cSLarry Finger if (!pbuf) 1202865d42cSLarry Finger return; 1212865d42cSLarry Finger pdrvcmd = (struct drvint_cmd_parm *)pbuf; 1222865d42cSLarry Finger switch (pdrvcmd->i_cid) { 1232865d42cSLarry Finger case WDG_WK_CID: 1242865d42cSLarry Finger StatusWatchdogCallback(padapter); 1252865d42cSLarry Finger break; 1262865d42cSLarry Finger default: 1272865d42cSLarry Finger break; 1282865d42cSLarry Finger } 1292865d42cSLarry Finger kfree(pdrvcmd->pbuf); 1302865d42cSLarry Finger } 1312865d42cSLarry Finger 1322865d42cSLarry Finger static u8 read_macreg_hdl(struct _adapter *padapter, u8 *pbuf) 1332865d42cSLarry Finger { 1342865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); 1352865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; 1362865d42cSLarry Finger 1372865d42cSLarry Finger /* invoke cmd->callback function */ 1382865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd->cmdcode].callback; 1397fcf92c0SJuliana Rodrigues if (!pcmd_callback) 1402865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 1412865d42cSLarry Finger else 1422865d42cSLarry Finger pcmd_callback(padapter, pcmd); 1432865d42cSLarry Finger return H2C_SUCCESS; 1442865d42cSLarry Finger } 1452865d42cSLarry Finger 1462865d42cSLarry Finger static u8 write_macreg_hdl(struct _adapter *padapter, u8 *pbuf) 1472865d42cSLarry Finger { 1482865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); 1492865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; 1502865d42cSLarry Finger 1512865d42cSLarry Finger /* invoke cmd->callback function */ 1522865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd->cmdcode].callback; 1537fcf92c0SJuliana Rodrigues if (!pcmd_callback) 1542865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 1552865d42cSLarry Finger else 1562865d42cSLarry Finger pcmd_callback(padapter, pcmd); 1572865d42cSLarry Finger return H2C_SUCCESS; 1582865d42cSLarry Finger } 1592865d42cSLarry Finger 1602865d42cSLarry Finger static u8 read_bbreg_hdl(struct _adapter *padapter, u8 *pbuf) 1612865d42cSLarry Finger { 1622865d42cSLarry Finger u32 val; 1632865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); 1642865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; 1652865d42cSLarry Finger 1662865d42cSLarry Finger if (pcmd->rsp && pcmd->rspsz > 0) 1672865d42cSLarry Finger memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz); 1682865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd->cmdcode].callback; 1697fcf92c0SJuliana Rodrigues if (!pcmd_callback) 1702865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 1712865d42cSLarry Finger else 1722865d42cSLarry Finger pcmd_callback(padapter, pcmd); 1732865d42cSLarry Finger return H2C_SUCCESS; 1742865d42cSLarry Finger } 1752865d42cSLarry Finger 1762865d42cSLarry Finger static u8 write_bbreg_hdl(struct _adapter *padapter, u8 *pbuf) 1772865d42cSLarry Finger { 1782865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); 1792865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; 1802865d42cSLarry Finger 1812865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd->cmdcode].callback; 1827fcf92c0SJuliana Rodrigues if (!pcmd_callback) 1832865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 1842865d42cSLarry Finger else 1852865d42cSLarry Finger pcmd_callback(padapter, pcmd); 1862865d42cSLarry Finger return H2C_SUCCESS; 1872865d42cSLarry Finger } 1882865d42cSLarry Finger 1892865d42cSLarry Finger static u8 read_rfreg_hdl(struct _adapter *padapter, u8 *pbuf) 1902865d42cSLarry Finger { 1912865d42cSLarry Finger u32 val; 1922865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); 1932865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; 1942865d42cSLarry Finger 1952865d42cSLarry Finger if (pcmd->rsp && pcmd->rspsz > 0) 1962865d42cSLarry Finger memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz); 1972865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd->cmdcode].callback; 1987fcf92c0SJuliana Rodrigues if (!pcmd_callback) 1992865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 2002865d42cSLarry Finger else 2012865d42cSLarry Finger pcmd_callback(padapter, pcmd); 2022865d42cSLarry Finger return H2C_SUCCESS; 2032865d42cSLarry Finger } 2042865d42cSLarry Finger 2052865d42cSLarry Finger static u8 write_rfreg_hdl(struct _adapter *padapter, u8 *pbuf) 2062865d42cSLarry Finger { 2072865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); 2082865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; 2092865d42cSLarry Finger 2102865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd->cmdcode].callback; 2117fcf92c0SJuliana Rodrigues if (!pcmd_callback) 2122865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 2132865d42cSLarry Finger else 2142865d42cSLarry Finger pcmd_callback(padapter, pcmd); 2152865d42cSLarry Finger return H2C_SUCCESS; 2162865d42cSLarry Finger } 2172865d42cSLarry Finger 2182865d42cSLarry Finger static u8 sys_suspend_hdl(struct _adapter *padapter, u8 *pbuf) 2192865d42cSLarry Finger { 2202865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; 2212865d42cSLarry Finger 2222865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 2232865d42cSLarry Finger return H2C_SUCCESS; 2242865d42cSLarry Finger } 2252865d42cSLarry Finger 2262865d42cSLarry Finger static struct cmd_obj *cmd_hdl_filter(struct _adapter *padapter, 2272865d42cSLarry Finger struct cmd_obj *pcmd) 2282865d42cSLarry Finger { 2292865d42cSLarry Finger struct cmd_obj *pcmd_r; 2302865d42cSLarry Finger 2317fcf92c0SJuliana Rodrigues if (!pcmd) 2322865d42cSLarry Finger return pcmd; 2332865d42cSLarry Finger pcmd_r = NULL; 2342865d42cSLarry Finger 2352865d42cSLarry Finger switch (pcmd->cmdcode) { 2362865d42cSLarry Finger case GEN_CMD_CODE(_Read_MACREG): 2372865d42cSLarry Finger read_macreg_hdl(padapter, (u8 *)pcmd); 2382865d42cSLarry Finger pcmd_r = pcmd; 2392865d42cSLarry Finger break; 2402865d42cSLarry Finger case GEN_CMD_CODE(_Write_MACREG): 2412865d42cSLarry Finger write_macreg_hdl(padapter, (u8 *)pcmd); 2422865d42cSLarry Finger pcmd_r = pcmd; 2432865d42cSLarry Finger break; 2442865d42cSLarry Finger case GEN_CMD_CODE(_Read_BBREG): 2452865d42cSLarry Finger read_bbreg_hdl(padapter, (u8 *)pcmd); 2462865d42cSLarry Finger break; 2472865d42cSLarry Finger case GEN_CMD_CODE(_Write_BBREG): 2482865d42cSLarry Finger write_bbreg_hdl(padapter, (u8 *)pcmd); 2492865d42cSLarry Finger break; 2502865d42cSLarry Finger case GEN_CMD_CODE(_Read_RFREG): 2512865d42cSLarry Finger read_rfreg_hdl(padapter, (u8 *)pcmd); 2522865d42cSLarry Finger break; 2532865d42cSLarry Finger case GEN_CMD_CODE(_Write_RFREG): 2542865d42cSLarry Finger write_rfreg_hdl(padapter, (u8 *)pcmd); 2552865d42cSLarry Finger break; 2562865d42cSLarry Finger case GEN_CMD_CODE(_SetUsbSuspend): 2572865d42cSLarry Finger sys_suspend_hdl(padapter, (u8 *)pcmd); 2582865d42cSLarry Finger break; 2592865d42cSLarry Finger case GEN_CMD_CODE(_JoinBss): 2602865d42cSLarry Finger r8712_joinbss_reset(padapter); 2612865d42cSLarry Finger /* Before set JoinBss_CMD to FW, driver must ensure FW is in 2622865d42cSLarry Finger * PS_MODE_ACTIVE. Directly write rpwm to radio on and assign 2632865d42cSLarry Finger * new pwr_mode to Driver, instead of use workitem to change 264ed9c838aSPunit Vara * state. 265ed9c838aSPunit Vara */ 2662865d42cSLarry Finger if (padapter->pwrctrlpriv.pwr_mode > PS_MODE_ACTIVE) { 2672865d42cSLarry Finger padapter->pwrctrlpriv.pwr_mode = PS_MODE_ACTIVE; 2685c2ba8b8SBinoy Jayan mutex_lock(&padapter->pwrctrlpriv.mutex_lock); 2692865d42cSLarry Finger r8712_set_rpwm(padapter, PS_STATE_S4); 2705c2ba8b8SBinoy Jayan mutex_unlock(&padapter->pwrctrlpriv.mutex_lock); 2712865d42cSLarry Finger } 2722865d42cSLarry Finger pcmd_r = pcmd; 2732865d42cSLarry Finger break; 2742865d42cSLarry Finger case _DRV_INT_CMD_: 2752865d42cSLarry Finger r871x_internal_cmd_hdl(padapter, pcmd->parmbuf); 2762865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 2772865d42cSLarry Finger pcmd_r = NULL; 2782865d42cSLarry Finger break; 2792865d42cSLarry Finger default: 2802865d42cSLarry Finger pcmd_r = pcmd; 2812865d42cSLarry Finger break; 2822865d42cSLarry Finger } 2832865d42cSLarry Finger return pcmd_r; /* if returning pcmd_r == NULL, pcmd must be free. */ 2842865d42cSLarry Finger } 2852865d42cSLarry Finger 2862865d42cSLarry Finger static u8 check_cmd_fifo(struct _adapter *padapter, uint sz) 2872865d42cSLarry Finger { 2888ffca9eaSPeter Senna Tschudin return _SUCCESS; 2892865d42cSLarry Finger } 2902865d42cSLarry Finger 2912865d42cSLarry Finger u8 r8712_fw_cmd(struct _adapter *pAdapter, u32 cmd) 2922865d42cSLarry Finger { 2932865d42cSLarry Finger int pollingcnts = 50; 2942865d42cSLarry Finger 2952865d42cSLarry Finger r8712_write32(pAdapter, IOCMD_CTRL_REG, cmd); 2962865d42cSLarry Finger msleep(100); 29797e2ba90SRakhi Sharma while ((r8712_read32(pAdapter, IOCMD_CTRL_REG != 0)) && 2982865d42cSLarry Finger (pollingcnts > 0)) { 2992865d42cSLarry Finger pollingcnts--; 3002865d42cSLarry Finger msleep(20); 3012865d42cSLarry Finger } 3022865d42cSLarry Finger if (pollingcnts == 0) 3032865d42cSLarry Finger return false; 3042865d42cSLarry Finger return true; 3052865d42cSLarry Finger } 3062865d42cSLarry Finger 3072865d42cSLarry Finger void r8712_fw_cmd_data(struct _adapter *pAdapter, u32 *value, u8 flag) 3082865d42cSLarry Finger { 3092865d42cSLarry Finger if (flag == 0) /* set */ 3102865d42cSLarry Finger r8712_write32(pAdapter, IOCMD_DATA_REG, *value); 3112865d42cSLarry Finger else /* query */ 3122865d42cSLarry Finger *value = r8712_read32(pAdapter, IOCMD_DATA_REG); 3132865d42cSLarry Finger } 3142865d42cSLarry Finger 3152865d42cSLarry Finger int r8712_cmd_thread(void *context) 3162865d42cSLarry Finger { 3172865d42cSLarry Finger struct cmd_obj *pcmd; 318e8cd841bSJannik Becher unsigned int cmdsz, wr_sz; 319e8cd841bSJannik Becher __le32 *pcmdbuf; 3202865d42cSLarry Finger struct tx_desc *pdesc; 3212865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); 32256238e45SBhaktipriya Shridhar struct _adapter *padapter = context; 3232865d42cSLarry Finger struct cmd_priv *pcmdpriv = &(padapter->cmdpriv); 3242865d42cSLarry Finger 325fee51243SJames A Shackleford allow_signal(SIGTERM); 3262865d42cSLarry Finger while (1) { 3270f89054aSBinoy Jayan if (wait_for_completion_interruptible(&pcmdpriv->cmd_queue_comp)) 3282865d42cSLarry Finger break; 3291ca96884SLuis de Bethencourt if (padapter->bDriverStopped || padapter->bSurpriseRemoved) 3302865d42cSLarry Finger break; 3312865d42cSLarry Finger if (r8712_register_cmd_alive(padapter) != _SUCCESS) 3322865d42cSLarry Finger continue; 3332865d42cSLarry Finger _next: 3342865d42cSLarry Finger pcmd = r8712_dequeue_cmd(&(pcmdpriv->cmd_queue)); 3352865d42cSLarry Finger if (!(pcmd)) { 3362865d42cSLarry Finger r8712_unregister_cmd_alive(padapter); 3372865d42cSLarry Finger continue; 3382865d42cSLarry Finger } 339e8cd841bSJannik Becher pcmdbuf = (__le32 *)pcmdpriv->cmd_buf; 3402865d42cSLarry Finger pdesc = (struct tx_desc *)pcmdbuf; 3412865d42cSLarry Finger memset(pdesc, 0, TXDESC_SIZE); 3422865d42cSLarry Finger pcmd = cmd_hdl_filter(padapter, pcmd); 3432865d42cSLarry Finger if (pcmd) { /* if pcmd != NULL, cmd will be handled by f/w */ 344adc08cc4SShivani Bhardwaj struct dvobj_priv *pdvobj = &padapter->dvobjpriv; 3452865d42cSLarry Finger u8 blnPending = 0; 34602a29d2dSTapasweni Pathak 3472865d42cSLarry Finger pcmdpriv->cmd_issued_cnt++; 348d913e54eSJames A Shackleford cmdsz = round_up(pcmd->cmdsz, 8); 3492865d42cSLarry Finger wr_sz = TXDESC_SIZE + 8 + cmdsz; 3502865d42cSLarry Finger pdesc->txdw0 |= cpu_to_le32((wr_sz - TXDESC_SIZE) & 3512865d42cSLarry Finger 0x0000ffff); 3522865d42cSLarry Finger if (pdvobj->ishighspeed) { 3532865d42cSLarry Finger if ((wr_sz % 512) == 0) 3542865d42cSLarry Finger blnPending = 1; 3552865d42cSLarry Finger } else { 3562865d42cSLarry Finger if ((wr_sz % 64) == 0) 3572865d42cSLarry Finger blnPending = 1; 3582865d42cSLarry Finger } 3592865d42cSLarry Finger if (blnPending) /* 32 bytes for TX Desc - 8 offset */ 3602865d42cSLarry Finger pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + 3612865d42cSLarry Finger OFFSET_SZ + 8) << OFFSET_SHT) & 3622865d42cSLarry Finger 0x00ff0000); 3632865d42cSLarry Finger else { 3642865d42cSLarry Finger pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + 3652865d42cSLarry Finger OFFSET_SZ) << 3662865d42cSLarry Finger OFFSET_SHT) & 3672865d42cSLarry Finger 0x00ff0000); 3682865d42cSLarry Finger } 3692865d42cSLarry Finger pdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); 3702865d42cSLarry Finger pdesc->txdw1 |= cpu_to_le32((0x13 << QSEL_SHT) & 3712865d42cSLarry Finger 0x00001f00); 3722865d42cSLarry Finger pcmdbuf += (TXDESC_SIZE >> 2); 3732865d42cSLarry Finger *pcmdbuf = cpu_to_le32((cmdsz & 0x0000ffff) | 3742865d42cSLarry Finger (pcmd->cmdcode << 16) | 3752865d42cSLarry Finger (pcmdpriv->cmd_seq << 24)); 376be10ac2bSJustin P. Mattock pcmdbuf += 2; /* 8 bytes alignment */ 3772865d42cSLarry Finger memcpy((u8 *)pcmdbuf, pcmd->parmbuf, pcmd->cmdsz); 3782865d42cSLarry Finger while (check_cmd_fifo(padapter, wr_sz) == _FAIL) { 3791ca96884SLuis de Bethencourt if (padapter->bDriverStopped || 3801ca96884SLuis de Bethencourt padapter->bSurpriseRemoved) 3812865d42cSLarry Finger break; 3822865d42cSLarry Finger msleep(100); 3832865d42cSLarry Finger continue; 3842865d42cSLarry Finger } 3852865d42cSLarry Finger if (blnPending) 3862865d42cSLarry Finger wr_sz += 8; /* Append 8 bytes */ 3872865d42cSLarry Finger r8712_write_mem(padapter, RTL8712_DMA_H2CCMD, wr_sz, 3882865d42cSLarry Finger (u8 *)pdesc); 3892865d42cSLarry Finger pcmdpriv->cmd_seq++; 3902865d42cSLarry Finger if (pcmd->cmdcode == GEN_CMD_CODE(_CreateBss)) { 3912865d42cSLarry Finger pcmd->res = H2C_SUCCESS; 3922865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd-> 3932865d42cSLarry Finger cmdcode].callback; 3942865d42cSLarry Finger if (pcmd_callback) 3952865d42cSLarry Finger pcmd_callback(padapter, pcmd); 3962865d42cSLarry Finger continue; 3972865d42cSLarry Finger } 3982865d42cSLarry Finger if (pcmd->cmdcode == GEN_CMD_CODE(_SetPwrMode)) { 3992865d42cSLarry Finger if (padapter->pwrctrlpriv.bSleep) { 4005c2ba8b8SBinoy Jayan mutex_lock(&padapter-> 4015c2ba8b8SBinoy Jayan pwrctrlpriv.mutex_lock); 4022865d42cSLarry Finger r8712_set_rpwm(padapter, PS_STATE_S2); 4035c2ba8b8SBinoy Jayan mutex_unlock(&padapter->pwrctrlpriv.mutex_lock); 4042865d42cSLarry Finger } 4052865d42cSLarry Finger } 4062865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 407df353f61SJames A Shackleford if (list_empty(&pcmdpriv->cmd_queue.queue)) { 4082865d42cSLarry Finger r8712_unregister_cmd_alive(padapter); 4092865d42cSLarry Finger continue; 410168a2c10SLuis de Bethencourt } else { 4112865d42cSLarry Finger goto _next; 412168a2c10SLuis de Bethencourt } 413168a2c10SLuis de Bethencourt } else { 4142865d42cSLarry Finger goto _next; 415168a2c10SLuis de Bethencourt } 4162865d42cSLarry Finger flush_signals_thread(); 4172865d42cSLarry Finger } 4182865d42cSLarry Finger /* free all cmd_obj resources */ 4192865d42cSLarry Finger do { 4202865d42cSLarry Finger pcmd = r8712_dequeue_cmd(&(pcmdpriv->cmd_queue)); 4217fcf92c0SJuliana Rodrigues if (!pcmd) 4222865d42cSLarry Finger break; 4232865d42cSLarry Finger r8712_free_cmd_obj(pcmd); 4242865d42cSLarry Finger } while (1); 425204a8ac1SBinoy Jayan complete(&pcmdpriv->terminate_cmdthread_comp); 4262865d42cSLarry Finger thread_exit(); 4272865d42cSLarry Finger } 4282865d42cSLarry Finger 429bcb91a5cSJannik Becher void r8712_event_handle(struct _adapter *padapter, __le32 *peventbuf) 4302865d42cSLarry Finger { 4312865d42cSLarry Finger u8 evt_code, evt_seq; 4322865d42cSLarry Finger u16 evt_sz; 4332865d42cSLarry Finger void (*event_callback)(struct _adapter *dev, u8 *pbuf); 4342865d42cSLarry Finger struct evt_priv *pevt_priv = &(padapter->evtpriv); 4352865d42cSLarry Finger 4367fcf92c0SJuliana Rodrigues if (!peventbuf) 4372865d42cSLarry Finger goto _abort_event_; 4382865d42cSLarry Finger evt_sz = (u16)(le32_to_cpu(*peventbuf) & 0xffff); 4392865d42cSLarry Finger evt_seq = (u8)((le32_to_cpu(*peventbuf) >> 24) & 0x7f); 4402865d42cSLarry Finger evt_code = (u8)((le32_to_cpu(*peventbuf) >> 16) & 0xff); 4412865d42cSLarry Finger /* checking event sequence... */ 4422865d42cSLarry Finger if ((evt_seq & 0x7f) != pevt_priv->event_seq) { 4432865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); 4442865d42cSLarry Finger goto _abort_event_; 4452865d42cSLarry Finger } 4462865d42cSLarry Finger /* checking if event code is valid */ 4472865d42cSLarry Finger if (evt_code >= MAX_C2HEVT) { 4482865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); 4492865d42cSLarry Finger goto _abort_event_; 4502865d42cSLarry Finger } else if ((evt_code == GEN_EVT_CODE(_Survey)) && 4512865d42cSLarry Finger (evt_sz > sizeof(struct wlan_bssid_ex))) { 4522865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); 4532865d42cSLarry Finger goto _abort_event_; 4542865d42cSLarry Finger } 4552865d42cSLarry Finger /* checking if event size match the event parm size */ 4562865d42cSLarry Finger if ((wlanevents[evt_code].parmsize) && 4572865d42cSLarry Finger (wlanevents[evt_code].parmsize != evt_sz)) { 4582865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); 4592865d42cSLarry Finger goto _abort_event_; 4602865d42cSLarry Finger } else if ((evt_sz == 0) && (evt_code != GEN_EVT_CODE(_WPS_PBC))) { 4612865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); 4622865d42cSLarry Finger goto _abort_event_; 4632865d42cSLarry Finger } 4642865d42cSLarry Finger pevt_priv->event_seq++; /* update evt_seq */ 4652865d42cSLarry Finger if (pevt_priv->event_seq > 127) 4662865d42cSLarry Finger pevt_priv->event_seq = 0; 46757b6686eSTapasweni Pathak /* move to event content, 8 bytes alignment */ 46857b6686eSTapasweni Pathak peventbuf = peventbuf + 2; 4692865d42cSLarry Finger event_callback = wlanevents[evt_code].event_callback; 4702865d42cSLarry Finger if (event_callback) 4712865d42cSLarry Finger event_callback(padapter, (u8 *)peventbuf); 4722865d42cSLarry Finger pevt_priv->evt_done_cnt++; 4732865d42cSLarry Finger _abort_event_: 4742865d42cSLarry Finger return; 4752865d42cSLarry Finger } 476