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path: root/drivers/net/wireless/ath/ath6kl/bmi.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/bmi.c')
-rwxr-xr-xdrivers/net/wireless/ath/ath6kl/bmi.c548
1 files changed, 0 insertions, 548 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/bmi.c b/drivers/net/wireless/ath/ath6kl/bmi.c
deleted file mode 100755
index 05d1d89..0000000
--- a/drivers/net/wireless/ath/ath6kl/bmi.c
+++ /dev/null
@@ -1,548 +0,0 @@
-/*
- * Copyright (c) 2004-2011 Atheros Communications Inc.
- * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "core.h"
-#include "hif-ops.h"
-#include "target.h"
-#include "debug.h"
-
-int ath6kl_bmi_done(struct ath6kl *ar)
-{
- int ret;
- u32 cid = BMI_DONE;
-
- if (ar->bmi.done_sent) {
- ath6kl_dbg(ATH6KL_DBG_BMI, "bmi done skipped\n");
- return 0;
- }
-
- ar->bmi.done_sent = true;
-
- ret = ath6kl_hif_bmi_write(ar, (u8 *)&cid, sizeof(cid));
- if (ret) {
- ath6kl_err("Unable to send bmi done: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-int ath6kl_bmi_get_target_info(struct ath6kl *ar,
- struct ath6kl_bmi_target_info *targ_info)
-{
- int ret;
- u32 cid = BMI_GET_TARGET_INFO;
-
- if (ar->bmi.done_sent) {
- ath6kl_err("bmi done sent already, cmd %d disallowed\n", cid);
- return -EACCES;
- }
-
- ret = ath6kl_hif_bmi_write(ar, (u8 *)&cid, sizeof(cid));
- if (ret) {
- ath6kl_err("Unable to send get target info: %d\n", ret);
- return ret;
- }
-
- if (ar->hif_type == ATH6KL_HIF_TYPE_USB) {
- ret = ath6kl_hif_bmi_read(ar, (u8 *)targ_info,
- sizeof(*targ_info));
- } else {
- ret = ath6kl_hif_bmi_read(ar, (u8 *)&targ_info->version,
- sizeof(targ_info->version));
- }
-
- if (ret) {
- ath6kl_err("Unable to recv target info: %d\n", ret);
- return ret;
- }
-
- if (le32_to_cpu(targ_info->version) == TARGET_VERSION_SENTINAL) {
- /* Determine how many bytes are in the Target's targ_info */
- ret = ath6kl_hif_bmi_read(ar,
- (u8 *)&targ_info->byte_count,
- sizeof(targ_info->byte_count));
- if (ret) {
- ath6kl_err("unable to read target info byte count: %d\n",
- ret);
- return ret;
- }
-
- /*
- * The target's targ_info doesn't match the host's targ_info.
- * We need to do some backwards compatibility to make this work.
- */
- if (le32_to_cpu(targ_info->byte_count) != sizeof(*targ_info)) {
- WARN_ON(1);
- return -EINVAL;
- }
-
- /* Read the remainder of the targ_info */
- ret = ath6kl_hif_bmi_read(ar,
- ((u8 *)targ_info) +
- sizeof(targ_info->byte_count),
- sizeof(*targ_info) -
- sizeof(targ_info->byte_count));
-
- if (ret) {
- ath6kl_err("Unable to read target info (%d bytes): %d\n",
- targ_info->byte_count, ret);
- return ret;
- }
- }
-
- ath6kl_dbg(ATH6KL_DBG_BMI, "target info (ver: 0x%x type: 0x%x)\n",
- targ_info->version, targ_info->type);
-
- return 0;
-}
-
-int ath6kl_bmi_read(struct ath6kl *ar, u32 addr, u8 *buf, u32 len)
-{
- u32 cid = BMI_READ_MEMORY;
- int ret;
- u32 offset;
- u32 len_remain, rx_len;
- u16 size;
-
- if (ar->bmi.done_sent) {
- ath6kl_err("bmi done sent already, cmd %d disallowed\n", cid);
- return -EACCES;
- }
-
- size = ar->bmi.max_data_size + sizeof(cid) + sizeof(addr) + sizeof(len);
- if (size > ar->bmi.max_cmd_size) {
- WARN_ON(1);
- return -EINVAL;
- }
- memset(ar->bmi.cmd_buf, 0, size);
-
- ath6kl_dbg(ATH6KL_DBG_BMI,
- "bmi read memory: device: addr: 0x%x, len: %d\n",
- addr, len);
-
- len_remain = len;
-
- while (len_remain) {
- rx_len = (len_remain < ar->bmi.max_data_size) ?
- len_remain : ar->bmi.max_data_size;
- offset = 0;
- memcpy(&(ar->bmi.cmd_buf[offset]), &cid, sizeof(cid));
- offset += sizeof(cid);
- memcpy(&(ar->bmi.cmd_buf[offset]), &addr, sizeof(addr));
- offset += sizeof(addr);
- memcpy(&(ar->bmi.cmd_buf[offset]), &rx_len, sizeof(rx_len));
- offset += sizeof(len);
-
- ret = ath6kl_hif_bmi_write(ar, ar->bmi.cmd_buf, offset);
- if (ret) {
- ath6kl_err("Unable to write to the device: %d\n",
- ret);
- return ret;
- }
- ret = ath6kl_hif_bmi_read(ar, ar->bmi.cmd_buf, rx_len);
- if (ret) {
- ath6kl_err("Unable to read from the device: %d\n",
- ret);
- return ret;
- }
- memcpy(&buf[len - len_remain], ar->bmi.cmd_buf, rx_len);
- len_remain -= rx_len; addr += rx_len;
- }
-
- return 0;
-}
-
-int ath6kl_bmi_write(struct ath6kl *ar, u32 addr, u8 *buf, u32 len)
-{
- u32 cid = BMI_WRITE_MEMORY;
- int ret;
- u32 offset;
- u32 len_remain, tx_len;
- const u32 header = sizeof(cid) + sizeof(addr) + sizeof(len);
- u8 aligned_buf[400];
- u8 *src;
-
- if (ar->bmi.done_sent) {
- ath6kl_err("bmi done sent already, cmd %d disallowed\n", cid);
- return -EACCES;
- }
-
- if ((ar->bmi.max_data_size + header) > ar->bmi.max_cmd_size) {
- WARN_ON(1);
- return -EINVAL;
- }
-
- if (WARN_ON(ar->bmi.max_data_size > sizeof(aligned_buf)))
- return -E2BIG;
-
- memset(ar->bmi.cmd_buf, 0, ar->bmi.max_data_size + header);
-
- ath6kl_dbg(ATH6KL_DBG_BMI,
- "bmi write memory: addr: 0x%x, len: %d\n", addr, len);
-
- len_remain = len;
- while (len_remain) {
- src = &buf[len - len_remain];
-
- if (len_remain < (ar->bmi.max_data_size - header)) {
- if (len_remain & 3) {
- /* align it with 4 bytes */
- len_remain = len_remain +
- (4 - (len_remain & 3));
- memcpy(aligned_buf, src, len_remain);
- src = aligned_buf;
- }
- tx_len = len_remain;
- } else {
- tx_len = (ar->bmi.max_data_size - header);
- }
-
- offset = 0;
- memcpy(&(ar->bmi.cmd_buf[offset]), &cid, sizeof(cid));
- offset += sizeof(cid);
- memcpy(&(ar->bmi.cmd_buf[offset]), &addr, sizeof(addr));
- offset += sizeof(addr);
- memcpy(&(ar->bmi.cmd_buf[offset]), &tx_len, sizeof(tx_len));
- offset += sizeof(tx_len);
- memcpy(&(ar->bmi.cmd_buf[offset]), src, tx_len);
- offset += tx_len;
-
- ret = ath6kl_hif_bmi_write(ar, ar->bmi.cmd_buf, offset);
- if (ret) {
- ath6kl_err("Unable to write to the device: %d\n",
- ret);
- return ret;
- }
- len_remain -= tx_len; addr += tx_len;
- }
-
- return 0;
-}
-
-int ath6kl_bmi_execute(struct ath6kl *ar, u32 addr, u32 *param)
-{
- u32 cid = BMI_EXECUTE;
- int ret;
- u32 offset;
- u16 size;
-
- if (ar->bmi.done_sent) {
- ath6kl_err("bmi done sent already, cmd %d disallowed\n", cid);
- return -EACCES;
- }
-
- size = sizeof(cid) + sizeof(addr) + sizeof(param);
- if (size > ar->bmi.max_cmd_size) {
- WARN_ON(1);
- return -EINVAL;
- }
- memset(ar->bmi.cmd_buf, 0, size);
-
- ath6kl_dbg(ATH6KL_DBG_BMI, "bmi execute: addr: 0x%x, param: %d)\n",
- addr, *param);
-
- offset = 0;
- memcpy(&(ar->bmi.cmd_buf[offset]), &cid, sizeof(cid));
- offset += sizeof(cid);
- memcpy(&(ar->bmi.cmd_buf[offset]), &addr, sizeof(addr));
- offset += sizeof(addr);
- memcpy(&(ar->bmi.cmd_buf[offset]), param, sizeof(*param));
- offset += sizeof(*param);
-
- ret = ath6kl_hif_bmi_write(ar, ar->bmi.cmd_buf, offset);
- if (ret) {
- ath6kl_err("Unable to write to the device: %d\n", ret);
- return ret;
- }
-
- ret = ath6kl_hif_bmi_read(ar, ar->bmi.cmd_buf, sizeof(*param));
- if (ret) {
- ath6kl_err("Unable to read from the device: %d\n", ret);
- return ret;
- }
-
- memcpy(param, ar->bmi.cmd_buf, sizeof(*param));
-
- return 0;
-}
-
-int ath6kl_bmi_set_app_start(struct ath6kl *ar, u32 addr)
-{
- u32 cid = BMI_SET_APP_START;
- int ret;
- u32 offset;
- u16 size;
-
- if (ar->bmi.done_sent) {
- ath6kl_err("bmi done sent already, cmd %d disallowed\n", cid);
- return -EACCES;
- }
-
- size = sizeof(cid) + sizeof(addr);
- if (size > ar->bmi.max_cmd_size) {
- WARN_ON(1);
- return -EINVAL;
- }
- memset(ar->bmi.cmd_buf, 0, size);
-
- ath6kl_dbg(ATH6KL_DBG_BMI, "bmi set app start: addr: 0x%x\n", addr);
-
- offset = 0;
- memcpy(&(ar->bmi.cmd_buf[offset]), &cid, sizeof(cid));
- offset += sizeof(cid);
- memcpy(&(ar->bmi.cmd_buf[offset]), &addr, sizeof(addr));
- offset += sizeof(addr);
-
- ret = ath6kl_hif_bmi_write(ar, ar->bmi.cmd_buf, offset);
- if (ret) {
- ath6kl_err("Unable to write to the device: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-int ath6kl_bmi_reg_read(struct ath6kl *ar, u32 addr, u32 *param)
-{
- u32 cid = BMI_READ_SOC_REGISTER;
- int ret;
- u32 offset;
- u16 size;
-
- if (ar->bmi.done_sent) {
- ath6kl_err("bmi done sent already, cmd %d disallowed\n", cid);
- return -EACCES;
- }
-
- size = sizeof(cid) + sizeof(addr);
- if (size > ar->bmi.max_cmd_size) {
- WARN_ON(1);
- return -EINVAL;
- }
- memset(ar->bmi.cmd_buf, 0, size);
-
- ath6kl_dbg(ATH6KL_DBG_BMI, "bmi read SOC reg: addr: 0x%x\n", addr);
-
- offset = 0;
- memcpy(&(ar->bmi.cmd_buf[offset]), &cid, sizeof(cid));
- offset += sizeof(cid);
- memcpy(&(ar->bmi.cmd_buf[offset]), &addr, sizeof(addr));
- offset += sizeof(addr);
-
- ret = ath6kl_hif_bmi_write(ar, ar->bmi.cmd_buf, offset);
- if (ret) {
- ath6kl_err("Unable to write to the device: %d\n", ret);
- return ret;
- }
-
- ret = ath6kl_hif_bmi_read(ar, ar->bmi.cmd_buf, sizeof(*param));
- if (ret) {
- ath6kl_err("Unable to read from the device: %d\n", ret);
- return ret;
- }
- memcpy(param, ar->bmi.cmd_buf, sizeof(*param));
-
- return 0;
-}
-
-int ath6kl_bmi_reg_write(struct ath6kl *ar, u32 addr, u32 param)
-{
- u32 cid = BMI_WRITE_SOC_REGISTER;
- int ret;
- u32 offset;
- u16 size;
-
- if (ar->bmi.done_sent) {
- ath6kl_err("bmi done sent already, cmd %d disallowed\n", cid);
- return -EACCES;
- }
-
- size = sizeof(cid) + sizeof(addr) + sizeof(param);
- if (size > ar->bmi.max_cmd_size) {
- WARN_ON(1);
- return -EINVAL;
- }
- memset(ar->bmi.cmd_buf, 0, size);
-
- ath6kl_dbg(ATH6KL_DBG_BMI,
- "bmi write SOC reg: addr: 0x%x, param: %d\n",
- addr, param);
-
- offset = 0;
- memcpy(&(ar->bmi.cmd_buf[offset]), &cid, sizeof(cid));
- offset += sizeof(cid);
- memcpy(&(ar->bmi.cmd_buf[offset]), &addr, sizeof(addr));
- offset += sizeof(addr);
- memcpy(&(ar->bmi.cmd_buf[offset]), &param, sizeof(param));
- offset += sizeof(param);
-
- ret = ath6kl_hif_bmi_write(ar, ar->bmi.cmd_buf, offset);
- if (ret) {
- ath6kl_err("Unable to write to the device: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-int ath6kl_bmi_lz_data(struct ath6kl *ar, u8 *buf, u32 len)
-{
- u32 cid = BMI_LZ_DATA;
- int ret;
- u32 offset;
- u32 len_remain, tx_len;
- const u32 header = sizeof(cid) + sizeof(len);
- u16 size;
-
- if (ar->bmi.done_sent) {
- ath6kl_err("bmi done sent already, cmd %d disallowed\n", cid);
- return -EACCES;
- }
-
- size = ar->bmi.max_data_size + header;
- if (size > ar->bmi.max_cmd_size) {
- WARN_ON(1);
- return -EINVAL;
- }
- memset(ar->bmi.cmd_buf, 0, size);
-
- ath6kl_dbg(ATH6KL_DBG_BMI, "bmi send LZ data: len: %d)\n",
- len);
-
- len_remain = len;
- while (len_remain) {
- tx_len = (len_remain < (ar->bmi.max_data_size - header)) ?
- len_remain : (ar->bmi.max_data_size - header);
-
- offset = 0;
- memcpy(&(ar->bmi.cmd_buf[offset]), &cid, sizeof(cid));
- offset += sizeof(cid);
- memcpy(&(ar->bmi.cmd_buf[offset]), &tx_len, sizeof(tx_len));
- offset += sizeof(tx_len);
- memcpy(&(ar->bmi.cmd_buf[offset]), &buf[len - len_remain],
- tx_len);
- offset += tx_len;
-
- ret = ath6kl_hif_bmi_write(ar, ar->bmi.cmd_buf, offset);
- if (ret) {
- ath6kl_err("Unable to write to the device: %d\n",
- ret);
- return ret;
- }
-
- len_remain -= tx_len;
- }
-
- return 0;
-}
-
-int ath6kl_bmi_lz_stream_start(struct ath6kl *ar, u32 addr)
-{
- u32 cid = BMI_LZ_STREAM_START;
- int ret;
- u32 offset;
- u16 size;
-
- if (ar->bmi.done_sent) {
- ath6kl_err("bmi done sent already, cmd %d disallowed\n", cid);
- return -EACCES;
- }
-
- size = sizeof(cid) + sizeof(addr);
- if (size > ar->bmi.max_cmd_size) {
- WARN_ON(1);
- return -EINVAL;
- }
- memset(ar->bmi.cmd_buf, 0, size);
-
- ath6kl_dbg(ATH6KL_DBG_BMI,
- "bmi LZ stream start: addr: 0x%x)\n",
- addr);
-
- offset = 0;
- memcpy(&(ar->bmi.cmd_buf[offset]), &cid, sizeof(cid));
- offset += sizeof(cid);
- memcpy(&(ar->bmi.cmd_buf[offset]), &addr, sizeof(addr));
- offset += sizeof(addr);
-
- ret = ath6kl_hif_bmi_write(ar, ar->bmi.cmd_buf, offset);
- if (ret) {
- ath6kl_err("Unable to start LZ stream to the device: %d\n",
- ret);
- return ret;
- }
-
- return 0;
-}
-
-int ath6kl_bmi_fast_download(struct ath6kl *ar, u32 addr, u8 *buf, u32 len)
-{
- int ret;
- u32 last_word = 0;
- u32 last_word_offset = len & ~0x3;
- u32 unaligned_bytes = len & 0x3;
-
- ret = ath6kl_bmi_lz_stream_start(ar, addr);
- if (ret)
- return ret;
-
- if (unaligned_bytes) {
- /* copy the last word into a zero padded buffer */
- memcpy(&last_word, &buf[last_word_offset], unaligned_bytes);
- }
-
- ret = ath6kl_bmi_lz_data(ar, buf, last_word_offset);
- if (ret)
- return ret;
-
- if (unaligned_bytes)
- ret = ath6kl_bmi_lz_data(ar, (u8 *)&last_word, 4);
-
- if (!ret) {
- /* Close compressed stream and open a new (fake) one.
- * This serves mainly to flush Target caches. */
- ret = ath6kl_bmi_lz_stream_start(ar, 0x00);
- }
- return ret;
-}
-
-void ath6kl_bmi_reset(struct ath6kl *ar)
-{
- ar->bmi.done_sent = false;
-}
-
-int ath6kl_bmi_init(struct ath6kl *ar)
-{
- if (WARN_ON(ar->bmi.max_data_size == 0))
- return -EINVAL;
-
- /* cmd + addr + len + data_size */
- ar->bmi.max_cmd_size = ar->bmi.max_data_size + (sizeof(u32) * 3);
-
- ar->bmi.cmd_buf = kzalloc(ar->bmi.max_cmd_size, GFP_ATOMIC);
- if (!ar->bmi.cmd_buf)
- return -ENOMEM;
-
- return 0;
-}
-
-void ath6kl_bmi_cleanup(struct ath6kl *ar)
-{
- kfree(ar->bmi.cmd_buf);
- ar->bmi.cmd_buf = NULL;
-}
generated by cgit v1.1 at 2024-06-07 09:48:46 +0000