drivers/net/wireless/ti/wl18xx/acx.c

   1 /*
   2  * This file is part of wl18xx
   3  *
   4  * Copyright (C) 2011 Texas Instruments Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21
  22 #include "../wlcore/cmd.h"
  23 #include "../wlcore/debug.h"
  24 #include "../wlcore/acx.h"
  25
  26 #include "acx.h"
  27
  28 int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap,
  29                                   u32 sdio_blk_size, u32 extra_mem_blks,
  30                                   u32 len_field_size)
  31 {
  32         struct wl18xx_acx_host_config_bitmap *bitmap_conf;
  33         int ret;
  34
  35         wl1271_debug(DEBUG_ACX, "acx cfg bitmap %d blk %d spare %d field %d",
  36                      host_cfg_bitmap, sdio_blk_size, extra_mem_blks,
  37                      len_field_size);
  38
  39         bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL);
  40         if (!bitmap_conf) {
  41                 ret = -ENOMEM;
  42                 goto out;
  43         }
  44
  45         bitmap_conf->host_cfg_bitmap = cpu_to_le32(host_cfg_bitmap);
  46         bitmap_conf->host_sdio_block_size = cpu_to_le32(sdio_blk_size);
  47         bitmap_conf->extra_mem_blocks = cpu_to_le32(extra_mem_blks);
  48         bitmap_conf->length_field_size = cpu_to_le32(len_field_size);
  49
  50         ret = wl1271_cmd_configure(wl, ACX_HOST_IF_CFG_BITMAP,
  51                                    bitmap_conf, sizeof(*bitmap_conf));
  52         if (ret < 0) {
  53                 wl1271_warning("wl1271 bitmap config opt failed: %d", ret);
  54                 goto out;
  55         }
  56
  57 out:
  58         kfree(bitmap_conf);
  59
  60         return ret;
  61 }
  62
  63 int wl18xx_acx_set_checksum_state(struct wl1271 *wl)
  64 {
  65         struct wl18xx_acx_checksum_state *acx;
  66         int ret;
  67
  68         wl1271_debug(DEBUG_ACX, "acx checksum state");
  69
  70         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  71         if (!acx) {
  72                 ret = -ENOMEM;
  73                 goto out;
  74         }
  75
  76         acx->checksum_state = CHECKSUM_OFFLOAD_ENABLED;
  77
  78         ret = wl1271_cmd_configure(wl, ACX_CHECKSUM_CONFIG, acx, sizeof(*acx));
  79         if (ret < 0) {
  80                 wl1271_warning("failed to set Tx checksum state: %d", ret);
  81                 goto out;
  82         }
  83
  84 out:
  85         kfree(acx);
  86         return ret;
  87 }