diff options
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.31/drivers/ar6000/bmi/bmi.c')
| -rw-r--r-- | target/linux/s3c24xx/files-2.6.31/drivers/ar6000/bmi/bmi.c | 657 |
1 files changed, 0 insertions, 657 deletions
diff --git a/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/bmi/bmi.c b/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/bmi/bmi.c deleted file mode 100644 index d7b610c..0000000 --- a/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/bmi/bmi.c +++ /dev/null @@ -1,657 +0,0 @@ -/* - * Copyright (c) 2004-2007 Atheros Communications Inc. - * All rights reserved. - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation; - * - * Software distributed under the License is distributed on an "AS - * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or - * implied. See the License for the specific language governing - * rights and limitations under the License. - * - * - * - */ - -#include "hif.h" -#include "bmi.h" -#include "htc_api.h" -#include "bmi_internal.h" - -/* -Although we had envisioned BMI to run on top of HTC, this is not what the -final implementation boiled down to on dragon. Its a part of BSP and does -not use the HTC protocol either. On the host side, however, we were still -living with the original idea. I think the time has come to accept the truth -and separate it from HTC which has been carrying BMI's burden all this while. -It shall make HTC state machine relatively simpler -*/ - -/* APIs visible to the driver */ -void -BMIInit(void) -{ - bmiDone = FALSE; -} - -A_STATUS -BMIDone(HIF_DEVICE *device) -{ - A_STATUS status; - A_UINT32 cid; - - if (bmiDone) { - AR_DEBUG_PRINTF (ATH_DEBUG_BMI, ("BMIDone skipped\n")); - return A_OK; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Done: Enter (device: 0x%p)\n", device)); - bmiDone = TRUE; - cid = BMI_DONE; - - status = bmiBufferSend(device, (A_UCHAR *)&cid, sizeof(cid)); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Done: Exit\n")); - - return A_OK; -} - -A_STATUS -BMIGetTargetInfo(HIF_DEVICE *device, struct bmi_target_info *targ_info) -{ - A_STATUS status; - A_UINT32 cid; - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Get Target Info: Enter (device: 0x%p)\n", device)); - cid = BMI_GET_TARGET_INFO; - - status = bmiBufferSend(device, (A_UCHAR *)&cid, sizeof(cid)); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - - status = bmiBufferReceive(device, (A_UCHAR *)&targ_info->target_ver, - sizeof(targ_info->target_ver)); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to read Target Version from the device\n")); - return A_ERROR; - } - - if (targ_info->target_ver == TARGET_VERSION_SENTINAL) { - /* Determine how many bytes are in the Target's targ_info */ - status = bmiBufferReceive(device, (A_UCHAR *)&targ_info->target_info_byte_count, - sizeof(targ_info->target_info_byte_count)); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to read Target Info Byte Count from the device\n")); - return A_ERROR; - } - - /* - * The Target's targ_info doesn't match the Host's targ_info. - * We need to do some backwards compatibility work to make this OK. - */ - A_ASSERT(targ_info->target_info_byte_count == sizeof(*targ_info)); - - /* Read the remainder of the targ_info */ - status = bmiBufferReceive(device, - ((A_UCHAR *)targ_info)+sizeof(targ_info->target_info_byte_count), - sizeof(*targ_info)-sizeof(targ_info->target_info_byte_count)); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to read Target Info (%d bytes) from the device\n", - targ_info->target_info_byte_count)); - return A_ERROR; - } - } else { - /* - * Target must be an AR6001 whose firmware does not - * support BMI_GET_TARGET_INFO. Construct the data - * that it would have sent. - */ - targ_info->target_info_byte_count = sizeof(targ_info); - targ_info->target_type = TARGET_TYPE_AR6001; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Get Target Info: Exit (ver: 0x%x type: 0x%x)\n", - targ_info->target_ver, targ_info->target_type)); - printk("BMI Get Target Info: Exit (ver: 0x%x type: 0x%x)\n", - targ_info->target_ver, targ_info->target_type); - - return A_OK; -} - -A_STATUS -BMIReadMemory(HIF_DEVICE *device, - A_UINT32 address, - A_UCHAR *buffer, - A_UINT32 length) -{ - A_UINT32 cid; - A_STATUS status; - A_UINT32 offset; - A_UINT32 remaining, rxlen; - static A_UCHAR data[BMI_DATASZ_MAX + sizeof(cid) + sizeof(address) + sizeof(length)]; - memset (&data, 0, BMI_DATASZ_MAX + sizeof(cid) + sizeof(address) + sizeof(length)); - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, - ("BMI Read Memory: Enter (device: 0x%p, address: 0x%x, length: %d)\n", - device, address, length)); - - cid = BMI_READ_MEMORY; - - remaining = length; - - while (remaining) - { - rxlen = (remaining < BMI_DATASZ_MAX) ? remaining : BMI_DATASZ_MAX; - offset = 0; - A_MEMCPY(&data[offset], &cid, sizeof(cid)); - offset += sizeof(cid); - A_MEMCPY(&data[offset], &address, sizeof(address)); - offset += sizeof(address); - A_MEMCPY(&data[offset], &rxlen, sizeof(rxlen)); - offset += sizeof(length); - - status = bmiBufferSend(device, data, offset); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - status = bmiBufferReceive(device, data, rxlen); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to read from the device\n")); - return A_ERROR; - } - A_MEMCPY(&buffer[length - remaining], data, rxlen); - remaining -= rxlen; address += rxlen; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Read Memory: Exit\n")); - return A_OK; -} - -A_STATUS -BMIWriteMemory(HIF_DEVICE *device, - A_UINT32 address, - A_UCHAR *buffer, - A_UINT32 length) -{ - A_UINT32 cid; - A_STATUS status; - A_UINT32 offset; - A_UINT32 remaining, txlen; - const A_UINT32 header = sizeof(cid) + sizeof(address) + sizeof(length); - static A_UCHAR data[BMI_DATASZ_MAX + sizeof(cid) + sizeof(address) + sizeof(length)]; - memset (&data, 0, header); - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, - ("BMI Write Memory: Enter (device: 0x%p, address: 0x%x, length: %d)\n", - device, address, length)); - - cid = BMI_WRITE_MEMORY; - - remaining = length; - while (remaining) - { - txlen = (remaining < (BMI_DATASZ_MAX - header)) ? - remaining : (BMI_DATASZ_MAX - header); - offset = 0; - A_MEMCPY(&data[offset], &cid, sizeof(cid)); - offset += sizeof(cid); - A_MEMCPY(&data[offset], &address, sizeof(address)); - offset += sizeof(address); - A_MEMCPY(&data[offset], &txlen, sizeof(txlen)); - offset += sizeof(txlen); - A_MEMCPY(&data[offset], &buffer[length - remaining], txlen); - offset += txlen; - status = bmiBufferSend(device, data, offset); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - remaining -= txlen; address += txlen; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Write Memory: Exit\n")); - - return A_OK; -} - -A_STATUS -BMIExecute(HIF_DEVICE *device, - A_UINT32 address, - A_UINT32 *param) -{ - A_UINT32 cid; - A_STATUS status; - A_UINT32 offset; - static A_UCHAR data[sizeof(cid) + sizeof(address) + sizeof(*param)]; - memset (&data, 0, sizeof(cid) + sizeof(address) + sizeof(*param)); - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, - ("BMI Execute: Enter (device: 0x%p, address: 0x%x, param: %d)\n", - device, address, *param)); - - cid = BMI_EXECUTE; - - offset = 0; - A_MEMCPY(&data[offset], &cid, sizeof(cid)); - offset += sizeof(cid); - A_MEMCPY(&data[offset], &address, sizeof(address)); - offset += sizeof(address); - A_MEMCPY(&data[offset], param, sizeof(*param)); - offset += sizeof(*param); - status = bmiBufferSend(device, data, offset); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - - status = bmiBufferReceive(device, data, sizeof(*param)); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to read from the device\n")); - return A_ERROR; - } - - A_MEMCPY(param, data, sizeof(*param)); - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Execute: Exit (param: %d)\n", *param)); - return A_OK; -} - -A_STATUS -BMISetAppStart(HIF_DEVICE *device, - A_UINT32 address) -{ - A_UINT32 cid; - A_STATUS status; - A_UINT32 offset; - static A_UCHAR data[sizeof(cid) + sizeof(address)]; - memset (&data, 0, sizeof(cid) + sizeof(address)); - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, - ("BMI Set App Start: Enter (device: 0x%p, address: 0x%x)\n", - device, address)); - - cid = BMI_SET_APP_START; - - offset = 0; - A_MEMCPY(&data[offset], &cid, sizeof(cid)); - offset += sizeof(cid); - A_MEMCPY(&data[offset], &address, sizeof(address)); - offset += sizeof(address); - status = bmiBufferSend(device, data, offset); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Set App Start: Exit\n")); - return A_OK; -} - -A_STATUS -BMIReadSOCRegister(HIF_DEVICE *device, - A_UINT32 address, - A_UINT32 *param) -{ - A_UINT32 cid; - A_STATUS status; - A_UINT32 offset; - static A_UCHAR data[sizeof(cid) + sizeof(address)]; - memset (&data, 0, sizeof(cid) + sizeof(address)); - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, - ("BMI Read SOC Register: Enter (device: 0x%p, address: 0x%x)\n", - device, address)); - - cid = BMI_READ_SOC_REGISTER; - - offset = 0; - A_MEMCPY(&data[offset], &cid, sizeof(cid)); - offset += sizeof(cid); - A_MEMCPY(&data[offset], &address, sizeof(address)); - offset += sizeof(address); - - status = bmiBufferSend(device, data, offset); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - - status = bmiBufferReceive(device, data, sizeof(*param)); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to read from the device\n")); - return A_ERROR; - } - A_MEMCPY(param, data, sizeof(*param)); - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Read SOC Register: Exit (value: %d)\n", *param)); - return A_OK; -} - -A_STATUS -BMIWriteSOCRegister(HIF_DEVICE *device, - A_UINT32 address, - A_UINT32 param) -{ - A_UINT32 cid; - A_STATUS status; - A_UINT32 offset; - static A_UCHAR data[sizeof(cid) + sizeof(address) + sizeof(param)]; - - memset (&data, 0, sizeof(cid) + sizeof(address) + sizeof(param)); - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, - ("BMI Write SOC Register: Enter (device: 0x%p, address: 0x%x, param: %d)\n", - device, address, param)); - - cid = BMI_WRITE_SOC_REGISTER; - - offset = 0; - A_MEMCPY(&data[offset], &cid, sizeof(cid)); - offset += sizeof(cid); - A_MEMCPY(&data[offset], &address, sizeof(address)); - offset += sizeof(address); - A_MEMCPY(&data[offset], ¶m, sizeof(param)); - offset += sizeof(param); - status = bmiBufferSend(device, data, offset); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Read SOC Register: Exit\n")); - return A_OK; -} - -A_STATUS -BMIrompatchInstall(HIF_DEVICE *device, - A_UINT32 ROM_addr, - A_UINT32 RAM_addr, - A_UINT32 nbytes, - A_UINT32 do_activate, - A_UINT32 *rompatch_id) -{ - A_UINT32 cid; - A_STATUS status; - A_UINT32 offset; - static A_UCHAR data[sizeof(cid) + sizeof(ROM_addr) + sizeof(RAM_addr) + - sizeof(nbytes) + sizeof(do_activate)]; - - memset (&data, 0, sizeof(cid) + sizeof(ROM_addr) + sizeof(RAM_addr) + - sizeof(nbytes) + sizeof(do_activate)); - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, - ("BMI rompatch Install: Enter (device: 0x%p, ROMaddr: 0x%x, RAMaddr: 0x%x length: %d activate: %d)\n", - device, ROM_addr, RAM_addr, nbytes, do_activate)); - - cid = BMI_ROMPATCH_INSTALL; - - offset = 0; - A_MEMCPY(&data[offset], &cid, sizeof(cid)); - offset += sizeof(cid); - A_MEMCPY(&data[offset], &ROM_addr, sizeof(ROM_addr)); - offset += sizeof(ROM_addr); - A_MEMCPY(&data[offset], &RAM_addr, sizeof(RAM_addr)); - offset += sizeof(RAM_addr); - A_MEMCPY(&data[offset], &nbytes, sizeof(nbytes)); - offset += sizeof(nbytes); - A_MEMCPY(&data[offset], &do_activate, sizeof(do_activate)); - offset += sizeof(do_activate); - status = bmiBufferSend(device, data, offset); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - - status = bmiBufferReceive(device, (A_UCHAR *)rompatch_id, sizeof(*rompatch_id)); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to read from the device\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI rompatch Install: (rompatch_id=%d)\n", *rompatch_id)); - return A_OK; -} - -A_STATUS -BMIrompatchUninstall(HIF_DEVICE *device, - A_UINT32 rompatch_id) -{ - A_UINT32 cid; - A_STATUS status; - A_UINT32 offset; - static A_UCHAR data[sizeof(cid) + sizeof(rompatch_id)]; - memset (&data, 0, sizeof(cid) + sizeof(rompatch_id)); - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, - ("BMI rompatch Uninstall: Enter (device: 0x%p, rompatch_id: %d)\n", - device, rompatch_id)); - - cid = BMI_ROMPATCH_UNINSTALL; - - offset = 0; - A_MEMCPY(&data[offset], &cid, sizeof(cid)); - offset += sizeof(cid); - A_MEMCPY(&data[offset], &rompatch_id, sizeof(rompatch_id)); - offset += sizeof(rompatch_id); - status = bmiBufferSend(device, data, offset); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI rompatch UNinstall: (rompatch_id=0x%x)\n", rompatch_id)); - return A_OK; -} - -static A_STATUS -_BMIrompatchChangeActivation(HIF_DEVICE *device, - A_UINT32 rompatch_count, - A_UINT32 *rompatch_list, - A_UINT32 do_activate) -{ - A_UINT32 cid; - A_STATUS status; - A_UINT32 offset; - static A_UCHAR data[BMI_DATASZ_MAX + sizeof(cid) + sizeof(rompatch_count)]; - A_UINT32 length; - - memset (&data, 0, BMI_DATASZ_MAX + sizeof(cid) + sizeof(rompatch_count)); - - if (bmiDone) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Command disallowed\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, - ("BMI Change rompatch Activation: Enter (device: 0x%p, count: %d)\n", - device, rompatch_count)); - - cid = do_activate ? BMI_ROMPATCH_ACTIVATE : BMI_ROMPATCH_DEACTIVATE; - - offset = 0; - A_MEMCPY(&data[offset], &cid, sizeof(cid)); - offset += sizeof(cid); - A_MEMCPY(&data[offset], &rompatch_count, sizeof(rompatch_count)); - offset += sizeof(rompatch_count); - length = rompatch_count * sizeof(*rompatch_list); - A_MEMCPY(&data[offset], rompatch_list, length); - offset += length; - status = bmiBufferSend(device, data, offset); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to write to the device\n")); - return A_ERROR; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Change rompatch Activation: Exit\n")); - - return A_OK; -} - -A_STATUS -BMIrompatchActivate(HIF_DEVICE *device, - A_UINT32 rompatch_count, - A_UINT32 *rompatch_list) -{ - return _BMIrompatchChangeActivation(device, rompatch_count, rompatch_list, 1); -} - -A_STATUS -BMIrompatchDeactivate(HIF_DEVICE *device, - A_UINT32 rompatch_count, - A_UINT32 *rompatch_list) -{ - return _BMIrompatchChangeActivation(device, rompatch_count, rompatch_list, 0); -} - -/* BMI Access routines */ -A_STATUS -bmiBufferSend(HIF_DEVICE *device, - A_UCHAR *buffer, - A_UINT32 length) -{ - A_STATUS status; - A_UINT32 timeout; - A_UINT32 address; - static A_UINT32 cmdCredits; - A_UINT32 mboxAddress[HTC_MAILBOX_NUM_MAX]; - - HIFConfigureDevice(device, HIF_DEVICE_GET_MBOX_ADDR, - &mboxAddress, sizeof(mboxAddress)); - - cmdCredits = 0; - timeout = BMI_COMMUNICATION_TIMEOUT; - - while(timeout-- && !cmdCredits) { - /* Read the counter register to get the command credits */ - address = COUNT_DEC_ADDRESS + (HTC_MAILBOX_NUM_MAX + ENDPOINT1) * 4; - /* hit the credit counter with a 4-byte access, the first byte read will hit the counter and cause - * a decrement, while the remaining 3 bytes has no effect. The rationale behind this is to - * make all HIF accesses 4-byte aligned */ - status = HIFReadWrite(device, address, (A_UINT8 *)&cmdCredits, 4, - HIF_RD_SYNC_BYTE_INC, NULL); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to decrement the command credit count register\n")); - return A_ERROR; - } - /* the counter is only 8=bits, ignore anything in the upper 3 bytes */ - cmdCredits &= 0xFF; - } - - if (cmdCredits) { - address = mboxAddress[ENDPOINT1]; - status = HIFReadWrite(device, address, buffer, length, - HIF_WR_SYNC_BYTE_INC, NULL); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to send the BMI data to the device\n")); - return A_ERROR; - } - } else { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("BMI Communication timeout\n")); - return A_ERROR; - } - - return status; -} - -A_STATUS -bmiBufferReceive(HIF_DEVICE *device, - A_UCHAR *buffer, - A_UINT32 length) -{ - A_STATUS status; - A_UINT32 address; - A_UINT32 timeout; - static A_UINT32 cmdCredits; - A_UINT32 mboxAddress[HTC_MAILBOX_NUM_MAX]; - - HIFConfigureDevice(device, HIF_DEVICE_GET_MBOX_ADDR, - &mboxAddress, sizeof(mboxAddress)); - - cmdCredits = 0; - timeout = BMI_COMMUNICATION_TIMEOUT; - while(timeout-- && !cmdCredits) { - /* Read the counter register to get the command credits */ - address = COUNT_ADDRESS + (HTC_MAILBOX_NUM_MAX + ENDPOINT1) * 1; - /* read the counter using a 4-byte read. Since the counter is NOT auto-decrementing, - * we can read this counter multiple times using a non-incrementing address mode. - * The rationale here is to make all HIF accesses a multiple of 4 bytes */ - status = HIFReadWrite(device, address, (A_UINT8 *)&cmdCredits, sizeof(cmdCredits), - HIF_RD_SYNC_BYTE_FIX, NULL); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to read the command credit count register\n")); - return A_ERROR; - } - /* we did a 4-byte read to the same count register so mask off upper bytes */ - cmdCredits &= 0xFF; - status = A_ERROR; - } - - if (cmdCredits) { - address = mboxAddress[ENDPOINT1]; - status = HIFReadWrite(device, address, buffer, length, - HIF_RD_SYNC_BYTE_INC, NULL); - if (status != A_OK) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to read the BMI data from the device\n")); - return A_ERROR; - } - } else { - AR_DEBUG_PRINTF(ATH_DEBUG_BMI, ("BMI Communication timeout\n")); - return A_ERROR; - } - - return status; -} |