diff options
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/iwmc3200wifi/eeprom.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.c b/drivers/net/wireless/iwmc3200wifi/eeprom.c deleted file mode 100644 index e80e776b74f..00000000000 --- a/drivers/net/wireless/iwmc3200wifi/eeprom.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - * Intel Wireless Multicomm 3200 WiFi driver - * - * Copyright (C) 2009 Intel Corporation. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * - * Intel Corporation <ilw@linux.intel.com> - * Samuel Ortiz <samuel.ortiz@intel.com> - * Zhu Yi <yi.zhu@intel.com> - * - */ - -#include <linux/kernel.h> -#include <linux/slab.h> - -#include "iwm.h" -#include "umac.h" -#include "commands.h" -#include "eeprom.h" - -static struct iwm_eeprom_entry eeprom_map[] = { - [IWM_EEPROM_SIG] = - {"Signature", IWM_EEPROM_SIG_OFF, IWM_EEPROM_SIG_LEN}, - - [IWM_EEPROM_VERSION] = - {"Version", IWM_EEPROM_VERSION_OFF, IWM_EEPROM_VERSION_LEN}, - - [IWM_EEPROM_OEM_HW_VERSION] = - {"OEM HW version", IWM_EEPROM_OEM_HW_VERSION_OFF, - IWM_EEPROM_OEM_HW_VERSION_LEN}, - - [IWM_EEPROM_MAC_VERSION] = - {"MAC version", IWM_EEPROM_MAC_VERSION_OFF, IWM_EEPROM_MAC_VERSION_LEN}, - - [IWM_EEPROM_CARD_ID] = - {"Card ID", IWM_EEPROM_CARD_ID_OFF, IWM_EEPROM_CARD_ID_LEN}, - - [IWM_EEPROM_RADIO_CONF] = - {"Radio config", IWM_EEPROM_RADIO_CONF_OFF, IWM_EEPROM_RADIO_CONF_LEN}, - - [IWM_EEPROM_SKU_CAP] = - {"SKU capabilities", IWM_EEPROM_SKU_CAP_OFF, IWM_EEPROM_SKU_CAP_LEN}, - - [IWM_EEPROM_FAT_CHANNELS_CAP] = - {"HT channels capabilities", IWM_EEPROM_FAT_CHANNELS_CAP_OFF, - IWM_EEPROM_FAT_CHANNELS_CAP_LEN}, - - [IWM_EEPROM_CALIB_RXIQ_OFFSET] = - {"RX IQ offset", IWM_EEPROM_CALIB_RXIQ_OFF, IWM_EEPROM_INDIRECT_LEN}, - - [IWM_EEPROM_CALIB_RXIQ] = - {"Calib RX IQ", 0, IWM_EEPROM_CALIB_RXIQ_LEN}, -}; - - -static int iwm_eeprom_read(struct iwm_priv *iwm, u8 eeprom_id) -{ - int ret; - u32 entry_size, chunk_size, data_offset = 0, addr_offset = 0; - u32 addr; - struct iwm_udma_wifi_cmd udma_cmd; - struct iwm_umac_cmd umac_cmd; - struct iwm_umac_cmd_eeprom_proxy eeprom_cmd; - - if (eeprom_id > (IWM_EEPROM_LAST - 1)) - return -EINVAL; - - entry_size = eeprom_map[eeprom_id].length; - - if (eeprom_id >= IWM_EEPROM_INDIRECT_DATA) { - /* indirect data */ - u32 off_id = eeprom_id - IWM_EEPROM_INDIRECT_DATA + - IWM_EEPROM_INDIRECT_OFFSET; - - eeprom_map[eeprom_id].offset = - *(u16 *)(iwm->eeprom + eeprom_map[off_id].offset) << 1; - } - - addr = eeprom_map[eeprom_id].offset; - - udma_cmd.eop = 1; - udma_cmd.credit_group = 0x4; - udma_cmd.ra_tid = UMAC_HDI_ACT_TBL_IDX_HOST_CMD; - udma_cmd.lmac_offset = 0; - - umac_cmd.id = UMAC_CMD_OPCODE_EEPROM_PROXY; - umac_cmd.resp = 1; - - while (entry_size > 0) { - chunk_size = min_t(u32, entry_size, IWM_MAX_EEPROM_DATA_LEN); - - eeprom_cmd.hdr.type = - cpu_to_le32(IWM_UMAC_CMD_EEPROM_TYPE_READ); - eeprom_cmd.hdr.offset = cpu_to_le32(addr + addr_offset); - eeprom_cmd.hdr.len = cpu_to_le32(chunk_size); - - ret = iwm_hal_send_umac_cmd(iwm, &udma_cmd, - &umac_cmd, &eeprom_cmd, - sizeof(struct iwm_umac_cmd_eeprom_proxy)); - if (ret < 0) { - IWM_ERR(iwm, "Couldn't read eeprom\n"); - return ret; - } - - ret = iwm_notif_handle(iwm, UMAC_CMD_OPCODE_EEPROM_PROXY, - IWM_SRC_UMAC, 2*HZ); - if (ret < 0) { - IWM_ERR(iwm, "Did not get any eeprom answer\n"); - return ret; - } - - data_offset += chunk_size; - addr_offset += chunk_size; - entry_size -= chunk_size; - } - - return 0; -} - -u8 *iwm_eeprom_access(struct iwm_priv *iwm, u8 eeprom_id) -{ - if (!iwm->eeprom) - return ERR_PTR(-ENODEV); - - return iwm->eeprom + eeprom_map[eeprom_id].offset; -} - -int iwm_eeprom_fat_channels(struct iwm_priv *iwm) -{ - struct wiphy *wiphy = iwm_to_wiphy(iwm); - struct ieee80211_supported_band *band; - u16 *channels, i; - - channels = (u16 *)iwm_eeprom_access(iwm, IWM_EEPROM_FAT_CHANNELS_CAP); - if (IS_ERR(channels)) - return PTR_ERR(channels); - - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - band->ht_cap.ht_supported = true; - - for (i = 0; i < IWM_EEPROM_FAT_CHANNELS_24; i++) - if (!(channels[i] & IWM_EEPROM_FAT_CHANNEL_ENABLED)) - band->ht_cap.ht_supported = false; - - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - band->ht_cap.ht_supported = true; - for (i = IWM_EEPROM_FAT_CHANNELS_24; i < IWM_EEPROM_FAT_CHANNELS; i++) - if (!(channels[i] & IWM_EEPROM_FAT_CHANNEL_ENABLED)) - band->ht_cap.ht_supported = false; - - return 0; -} - -u32 iwm_eeprom_wireless_mode(struct iwm_priv *iwm) -{ - u16 sku_cap; - u32 wireless_mode = 0; - - sku_cap = *((u16 *)iwm_eeprom_access(iwm, IWM_EEPROM_SKU_CAP)); - - if (sku_cap & IWM_EEPROM_SKU_CAP_BAND_24GHZ) - wireless_mode |= WIRELESS_MODE_11G; - - if (sku_cap & IWM_EEPROM_SKU_CAP_BAND_52GHZ) - wireless_mode |= WIRELESS_MODE_11A; - - if (sku_cap & IWM_EEPROM_SKU_CAP_11N_ENABLE) - wireless_mode |= WIRELESS_MODE_11N; - - return wireless_mode; -} - - -int iwm_eeprom_init(struct iwm_priv *iwm) -{ - int i, ret = 0; - char name[32]; - - iwm->eeprom = kzalloc(IWM_EEPROM_LEN, GFP_KERNEL); - if (!iwm->eeprom) - return -ENOMEM; - - for (i = IWM_EEPROM_FIRST; i < IWM_EEPROM_LAST; i++) { - ret = iwm_eeprom_read(iwm, i); - if (ret < 0) { - IWM_ERR(iwm, "Couldn't read eeprom entry #%d: %s\n", - i, eeprom_map[i].name); - break; - } - } - - IWM_DBG_BOOT(iwm, DBG, "EEPROM dump:\n"); - for (i = IWM_EEPROM_FIRST; i < IWM_EEPROM_LAST; i++) { - memset(name, 0, 32); - sprintf(name, "%s: ", eeprom_map[i].name); - - IWM_HEXDUMP(iwm, DBG, BOOT, name, - iwm->eeprom + eeprom_map[i].offset, - eeprom_map[i].length); - } - - return ret; -} - -void iwm_eeprom_exit(struct iwm_priv *iwm) -{ - kfree(iwm->eeprom); -} |