Atheros AR600x driver + build glue

chromeos/drivers/ath6kl/miscdrv/ar3kps/ar3kpsconfig.c

+/*
+ * Copyright (c) 2004-2008 Atheros Communications Inc.
+ * All rights reserved.
+ *
+ * This file implements the Atheros PS and patch downloaded for HCI UART Transport driver.
+ * This file can be used for HCI SDIO transport implementation for AR6002 with HCI_TRANSPORT_SDIO
+ * defined.
+ *
+ *
+ * ar3kcpsconfig.c
+ *
+ *
+ *
+ * The software source and binaries included in this development package are
+ * licensed, not sold. You, or your company, received the package under one
+ * or more license agreements. The rights granted to you are specifically
+ * listed in these license agreement(s). All other rights remain with Atheros
+ * Communications, Inc., its subsidiaries, or the respective owner including
+ * those listed on the included copyright notices..  Distribution of any
+ * portion of this package must be in strict compliance with the license
+ * agreement(s) terms.
+ *
+ *
+ *
+ */
+
+
+
+#include "ar3kpsconfig.h"
+#ifndef HCI_TRANSPORT_SDIO
+#include "hci_ath.h"
+#include "hci_uart.h"
+#endif /* #ifndef HCI_TRANSPORT_SDIO */
+
+/*
+ *  Structure used to send HCI packet, hci packet length and device info 
+ *  together as parameter to PSThread.
+ */
+typedef struct {
+
+    PSCmdPacket *HciCmdList;
+    A_UINT32  num_packets;
+    AR3K_CONFIG_INFO *dev;
+}HciCommandListParam;
+
+A_STATUS SendHCICommandWaitCommandComplete(AR3K_CONFIG_INFO *pConfig,
+                                           A_UINT8          *pHCICommand,
+                                           int              CmdLength,
+                                           A_UINT8          **ppEventBuffer,
+                                           A_UINT8          **ppBufferToFree);
+
+A_UINT32  Rom_Version;
+A_UINT32  Build_Version;
+
+A_STATUS getDeviceType(AR3K_CONFIG_INFO *pConfig, A_UINT32 * code);
+A_STATUS ReadVersionInfo(AR3K_CONFIG_INFO *pConfig);
+#ifndef HCI_TRANSPORT_SDIO
+
+DECLARE_WAIT_QUEUE_HEAD(PsCompleteEvent);
+DECLARE_WAIT_QUEUE_HEAD(HciEvent);
+A_UCHAR *HciEventpacket;
+rwlock_t syncLock;
+wait_queue_t Eventwait;
+
+int PSHciWritepacket(struct hci_dev*,A_UCHAR* Data, A_UINT32 len);
+extern char *bdaddr;
+#endif /* HCI_TRANSPORT_SDIO */
+
+A_STATUS write_bdaddr(AR3K_CONFIG_INFO *pConfig,A_UCHAR *bdaddr);
+
+int PSSendOps(void *arg);
+
+#ifdef BT_PS_DEBUG
+void Hci_log(A_UCHAR * log_string,A_UCHAR *data,A_UINT32 len)
+{
+    int i;
+    AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s : ",log_string));
+    for (i = 0; i < len; i++) {
+        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("0x%02x ", data[i]));
+    }
+    AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("\n...................................\n"));
+}
+#else
+#define Hci_log(string,data,len)
+#endif /* BT_PS_DEBUG */
+
+
+
+
+A_STATUS AthPSInitialize(AR3K_CONFIG_INFO *hdev)
+{
+    A_STATUS status = A_OK;
+    if(hdev == NULL) {
+        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Invalid Device handle received\n"));
+        return A_ERROR;
+    }
+
+#ifndef HCI_TRANSPORT_SDIO
+    DECLARE_WAITQUEUE(wait, current);
+#endif /* HCI_TRANSPORT_SDIO */
+    
+
+#ifdef HCI_TRANSPORT_SDIO
+    status = PSSendOps((void*)hdev);
+#else
+    if(InitPSState(hdev) == -1) {
+        return A_ERROR;
+    }
+    allow_signal(SIGKILL);
+    add_wait_queue(&PsCompleteEvent,&wait);
+    set_current_state(TASK_INTERRUPTIBLE);
+    if(!kernel_thread(PSSendOps,(void*)hdev,CLONE_FS|CLONE_FILES|CLONE_SIGHAND|SIGCHLD)) {
+        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Kthread Failed\n"));
+        remove_wait_queue(&PsCompleteEvent,&wait);
+        return A_ERROR;
+    }
+    wait_event_interruptible(PsCompleteEvent,(PSTagMode == FALSE));
+    set_current_state(TASK_RUNNING);
+    remove_wait_queue(&PsCompleteEvent,&wait);
+
+#endif /* HCI_TRANSPORT_SDIO */
+
+
+    return status;
+    
+}
+
+int PSSendOps(void *arg) 
+{
+    int i;
+    int status = 0;
+    PSCmdPacket *HciCmdList; /* List storing the commands */
+    const struct firmware* firmware;
+    A_UINT32 numCmds;
+    A_UINT8 *event;
+    A_UINT8 *bufferToFree;
+    struct hci_dev *device;
+    A_UCHAR *buffer;
+    A_UINT32 len;
+    A_UINT32 DevType;
+    A_UCHAR *PsFileName;
+    A_UCHAR *patchFileName;
+    AR3K_CONFIG_INFO *hdev = (AR3K_CONFIG_INFO*)arg;
+    struct device *firmwareDev = NULL;
+    status = 0;
+    HciCmdList = NULL;
+#ifdef HCI_TRANSPORT_SDIO
+    device = hdev->pBtStackHCIDev; 
+    firmwareDev = device->parent;
+#else 
+    device = hdev;
+    firmwareDev = &device->dev;
+    AthEnableSyncCommandOp(TRUE);    
+#endif /* HCI_TRANSPORT_SDIO */
+    /* First verify if the controller is an FPGA or ASIC, so depending on the device type the PS file to be written will be different.
+     */ 
+    if(A_ERROR == getDeviceType(hdev,&DevType)) {
+        status = 1;
+        goto complete;
+    }
+    if(A_ERROR == ReadVersionInfo(hdev)) {
+        status = 1;
+        goto complete;
+    }
+    patchFileName = PATCH_FILE;
+    if(DevType){
+        if(DevType == 0xdeadc0de){
+                PsFileName =  PS_ASIC_FILE;
+            } else{
+                AR_DEBUG_PRINTF(ATH_DEBUG_ERR,(" FPGA Test Image : %x %x  \n",Rom_Version,Build_Version));
+                if((Rom_Version == 0x99999999) && (Build_Version == 1)){
+                        
+                        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("FPGA Test Image : Skipping Patch File load\n"));
+                        patchFileName = NULL;
+                }
+                PsFileName =  PS_FPGA_FILE;
+            }
+    }
+    else{
+            PsFileName =  PS_ASIC_FILE;
+    }
+
+    AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%x: FPGA/ASIC PS File Name %s\n", DevType,PsFileName));
+    /* Read the PS file to a dynamically allocated buffer */
+    if(request_firmware(&firmware,PsFileName,firmwareDev) < 0) {
+        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s: firmware file open error\n", __FUNCTION__ ));
+        status = 1;
+        goto complete;
+
+    }
+    if(NULL == firmware || firmware->size == 0) {
+        status = 1;
+        goto complete;
+    }
+    buffer = (A_UCHAR *)A_MALLOC(firmware->size);
+    if(buffer != NULL) {
+    /* Copy the read file to a local Dynamic buffer */
+        memcpy(buffer,firmware->data,firmware->size);
+        len = firmware->size;
+        release_firmware(firmware);
+        /* Parse the PS buffer to a global variable */
+        status = AthDoParsePS(buffer,len);
+        A_FREE(buffer);
+    } else {
+        release_firmware(firmware);
+    }
+
+
+    /* Read the patch file to a dynamically allocated buffer */
+    if((patchFileName == NULL) || (request_firmware(&firmware,patchFileName,firmwareDev) < 0)) {
+        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s: firmware file open error\n", __FUNCTION__ ));
+        /* 
+         *  It is not necessary that Patch file be available, continue with PS Operations if.
+         *  failed.
+         */
+        status = 0;
+
+    } else {
+        if(NULL == firmware || firmware->size == 0) {
+            status = 0;
+        } else {
+            buffer = (A_UCHAR *)A_MALLOC(firmware->size);
+            if(buffer != NULL) {
+                /* Copy the read file to a local Dynamic buffer */
+                memcpy(buffer,firmware->data,firmware->size);
+                len = firmware->size;
+                release_firmware(firmware);
+                /* parse and store the Patch file contents to a global variables */
+                status = AthDoParsePatch(buffer,len);
+                A_FREE(buffer);
+            } else {
+                release_firmware(firmware);
+            }
+        }
+    }
+
+    /* Create an HCI command list from the parsed PS and patch information */
+    AthCreateCommandList(&HciCmdList,&numCmds);
+
+    /* Form the parameter for PSSendOps() API */
+ 
+
+    /*
+     * First Send the CRC packet, 
+     * We have to continue with the PS operations only if the CRC packet has been replied with 
+     * a Command complete event with status Error.
+     */
+
+    if(SendHCICommandWaitCommandComplete
+    (hdev,
+    HciCmdList[0].Hcipacket,
+    HciCmdList[0].packetLen,
+    &event,
+    &bufferToFree) == A_OK) {
+        if(ReadPSEvent(event) == A_OK) { /* Exit if the status is success */
+            if(bufferToFree != NULL) {
+                A_FREE(bufferToFree);
+                }
+#ifndef HCI_TRANSPORT_SDIO
+                                if(bdaddr[0] !='\0') {
+                                        write_bdaddr(hdev,bdaddr);
+                                }
+#endif 
+               status = 1;
+               goto complete;
+        }
+        if(bufferToFree != NULL) {
+               A_FREE(bufferToFree);
+        }
+    } else {
+        status = 0;
+        goto complete;
+    }
+ 
+    for(i = 1; i <numCmds; i++) {
+    
+        if(SendHCICommandWaitCommandComplete
+        (hdev,
+        HciCmdList[i].Hcipacket,
+        HciCmdList[i].packetLen,
+        &event,
+        &bufferToFree) == A_OK) {
+            if(ReadPSEvent(event) != A_OK) { /* Exit if the status is success */
+                if(bufferToFree != NULL) {
+                    A_FREE(bufferToFree);
+                    }
+                   status = 1;
+                    goto complete;
+            }
+            if(bufferToFree != NULL) {
+                   A_FREE(bufferToFree);
+            }
+        } else {
+            status = 0;
+            goto complete;
+        }
+    }
+#ifndef HCI_TRANSPORT_SDIO
+        if(bdaddr[0] != '\0') {
+                write_bdaddr(hdev,bdaddr);
+        } else
+#endif /* HCI_TRANSPORT_SDIO */
+        {
+                 /* Read Contents of BDADDR file if user has not provided any option */
+        if(request_firmware(&firmware,BDADDR_FILE,firmwareDev) < 0) {
+                AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s: firmware file open error\n", __FUNCTION__ ));
+                status = 1;
+                goto complete;
+        }
+        if(NULL == firmware || firmware->size == 0) {
+                status = 1;
+                goto complete;
+        }
+                write_bdaddr(hdev,(A_UCHAR *)firmware->data);
+        release_firmware(firmware);
+        }
+complete:
+#ifndef HCI_TRANSPORT_SDIO
+    AthEnableSyncCommandOp(FALSE);    
+    PSTagMode = FALSE;
+    wake_up_interruptible(&PsCompleteEvent);
+#endif /* HCI_TRANSPORT_SDIO */
+    if(NULL != HciCmdList) {
+        AthFreeCommandList(&HciCmdList,numCmds);
+    }
+    return status;
+}
+#ifndef HCI_TRANSPORT_SDIO
+/*
+ *  This API is used to send the HCI command to controller and return
+ *  with a HCI Command Complete event.
+ *  For HCI SDIO transport, this will be internally defined. 
+ */
+A_STATUS SendHCICommandWaitCommandComplete(AR3K_CONFIG_INFO *pConfig,
+                                           A_UINT8          *pHCICommand,
+                                           int              CmdLength,
+                                           A_UINT8          **ppEventBuffer,
+                                           A_UINT8          **ppBufferToFree)
+{
+    if(CmdLength == 0) {
+        return A_ERROR;
+    }
+    Hci_log("COM Write -->",pHCICommand,CmdLength);
+    PSAcked = FALSE;
+    if(PSHciWritepacket(pConfig,pHCICommand,CmdLength) == 0) {
+        /* If the controller is not available, return Error */
+        return A_ERROR;
+    }
+    //add_timer(&psCmdTimer);
+    wait_event_interruptible(HciEvent,(PSAcked == TRUE));
+    if(NULL != HciEventpacket) {
+        *ppEventBuffer = HciEventpacket;
+        *ppBufferToFree = HciEventpacket;
+    } else {
+        /* Did not get an event from controller. return error */
+        *ppBufferToFree = NULL;
+        return A_ERROR;
+    }
+
+    return A_OK;
+}
+#endif /* HCI_TRANSPORT_SDIO */
+
+A_STATUS ReadPSEvent(A_UCHAR* Data){
+    AR_DEBUG_PRINTF(ATH_DEBUG_ERR,(" PS Event %x %x %x\n",Data[4],Data[5],Data[3]));
+                                
+    if(Data[4] == 0xFC && Data[5] == 0x00)
+    {
+         switch(Data[3]){
+             case 0x0B:
+                     return A_OK;
+                 break;
+                 case 0x0C:
+                    /* Change Baudrate */
+                        return A_OK;    
+                 break;  
+                 case 0x04:
+                     return A_OK;
+                 break;  
+                case 0x1E:
+                        Rom_Version = Data[9];
+                        Rom_Version = ((Rom_Version << 8) |Data[8]);
+                        Rom_Version = ((Rom_Version << 8) |Data[7]);
+                        Rom_Version = ((Rom_Version << 8) |Data[6]);
+
+                        Build_Version = Data[13];
+                        Build_Version = ((Build_Version << 8) |Data[12]);
+                        Build_Version = ((Build_Version << 8) |Data[11]);
+                        Build_Version = ((Build_Version << 8) |Data[10]);
+                        return A_OK;
+                break;
+
+        
+                }
+    }                       
+        
+    return A_ERROR;           
+}
+int str2ba(unsigned char *str_bdaddr,unsigned char *bdaddr)
+{
+        unsigned char bdbyte[3];
+        unsigned char *str_byte = str_bdaddr;
+        int i,j;
+        unsigned char colon_present = 0;
+
+        if(NULL != strstr(str_bdaddr,":")) {
+                colon_present = 1;
+        }
+
+
+        bdbyte[2] = '\0';
+
+        for( i = 0,j = 5; i < 6; i++, j--) {
+                bdbyte[0] = str_byte[0];
+                bdbyte[1] = str_byte[1];
+                bdaddr[j] = A_STRTOL(bdbyte,NULL,16);
+                if(colon_present == 1) {
+                        str_byte+=3;
+                } else {
+                        str_byte+=2;
+                }
+        }
+        return 0; 
+}
+
+A_STATUS write_bdaddr(AR3K_CONFIG_INFO *pConfig,A_UCHAR *bdaddr)
+{
+        A_UCHAR bdaddr_cmd[] = { 0x0B, 0xFC, 0x0A, 0x01, 0x01, 
+                                                        0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+    A_UINT8 *event;
+    A_UINT8 *bufferToFree = NULL;
+    A_STATUS result = A_ERROR;
+        
+        str2ba(bdaddr,&bdaddr_cmd[7]);
+
+    if(A_OK == SendHCICommandWaitCommandComplete(pConfig,bdaddr_cmd,
+                                                                                                sizeof(bdaddr_cmd),
+                                                                                                &event,&bufferToFree)) {
+
+        if(event[4] == 0xFC && event[5] == 0x00){
+               if(event[3] == 0x0B){
+                result = A_OK;
+            }
+        }
+
+    }
+    if(bufferToFree != NULL) {
+        A_FREE(bufferToFree);
+   }
+    return result;
+
+}
+A_STATUS ReadVersionInfo(AR3K_CONFIG_INFO *pConfig)
+{
+    A_UINT8   hciCommand[] =  {0x1E,0xfc,0x00};
+    A_UINT8 *event;
+    A_UINT8 *bufferToFree = NULL;
+    A_STATUS result = A_ERROR;
+    if(A_OK == SendHCICommandWaitCommandComplete(pConfig,hciCommand,sizeof(hciCommand),&event,&bufferToFree)) {
+        result = ReadPSEvent(event);
+
+    }
+    if(bufferToFree != NULL) {
+        A_FREE(bufferToFree);
+   }
+    return result;
+}
+A_STATUS getDeviceType(AR3K_CONFIG_INFO *pConfig, A_UINT32 * code)
+{
+    A_UINT8   hciCommand[] =  {0x05,0xfc,0x05,0x00,0x00,0x00,0x00,0x04};
+    A_UINT8 *event;
+    A_UINT8 *bufferToFree = NULL;
+    A_UINT32 reg;
+    A_STATUS result = A_ERROR;
+    *code = 0;
+    hciCommand[3] = (A_UINT8)(FPGA_REGISTER & 0xFF);
+    hciCommand[4] = (A_UINT8)((FPGA_REGISTER >> 8) & 0xFF);
+    hciCommand[5] = (A_UINT8)((FPGA_REGISTER >> 16) & 0xFF);
+    hciCommand[6] = (A_UINT8)((FPGA_REGISTER >> 24) & 0xFF); 
+    if(A_OK == SendHCICommandWaitCommandComplete(pConfig,hciCommand,sizeof(hciCommand),&event,&bufferToFree)) {
+
+        if(event[4] == 0xFC && event[5] == 0x00){
+               switch(event[3]){
+                case 0x05:
+                reg = event[9];
+                reg = ((reg << 8) |event[8]);
+                reg = ((reg << 8) |event[7]);
+                reg = ((reg << 8) |event[6]);
+                *code = reg;
+                result = A_OK;
+
+                break;
+                case 0x06:
+                    //Sleep(500);
+                break;
+            }
+        }
+
+    }
+    if(bufferToFree != NULL) {
+        A_FREE(bufferToFree);
+   }
+    return result;
+}
+
+