/* * 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.
*/
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)) {
ath6kl_err("mismatched byte count %d vs. expected %zd\n",
le32_to_cpu(targ_info->byte_count), sizeof(*targ_info)); 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);
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;
}
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;
}
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;
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.