| /****************************************************************************** |
| * |
| * Copyright(c) 2007-2008 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| * |
| * The full GNU General Public License is included in this distribution in the |
| * file called LICENSE. |
| * |
| * Contact Information: |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| *****************************************************************************/ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/version.h> |
| #include <linux/init.h> |
| #include <linux/pci.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/delay.h> |
| #include <linux/skbuff.h> |
| #include <linux/netdevice.h> |
| #include <linux/wireless.h> |
| #include <net/mac80211.h> |
| #include <linux/etherdevice.h> |
| #include <asm/unaligned.h> |
| |
| #include "iwl-eeprom.h" |
| #include "iwl-4965.h" |
| #include "iwl-core.h" |
| #include "iwl-io.h" |
| #include "iwl-helpers.h" |
| #include "iwl-5000-hw.h" |
| |
| #define IWL5000_UCODE_API "-1" |
| |
| static int iwl5000_apm_init(struct iwl_priv *priv) |
| { |
| int ret = 0; |
| |
| iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS, |
| CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); |
| |
| iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL); |
| |
| /* set "initialization complete" bit to move adapter |
| * D0U* --> D0A* state */ |
| iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); |
| |
| /* wait for clock stabilization */ |
| ret = iwl_poll_bit(priv, CSR_GP_CNTRL, |
| CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, |
| CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); |
| if (ret < 0) { |
| IWL_DEBUG_INFO("Failed to init the card\n"); |
| return ret; |
| } |
| |
| ret = iwl_grab_nic_access(priv); |
| if (ret) |
| return ret; |
| |
| /* enable DMA */ |
| iwl_write_prph(priv, APMG_CLK_EN_REG, |
| APMG_CLK_VAL_DMA_CLK_RQT); |
| |
| udelay(20); |
| |
| iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG, |
| APMG_PCIDEV_STT_VAL_L1_ACT_DIS); |
| |
| iwl_release_nic_access(priv); |
| |
| return ret; |
| } |
| |
| /* |
| * EEPROM |
| */ |
| static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address) |
| { |
| u16 offset = 0; |
| |
| if ((address & INDIRECT_ADDRESS) == 0) |
| return address; |
| |
| switch (address & INDIRECT_TYPE_MSK) { |
| case INDIRECT_HOST: |
| offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_HOST); |
| break; |
| case INDIRECT_GENERAL: |
| offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_GENERAL); |
| break; |
| case INDIRECT_REGULATORY: |
| offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_REGULATORY); |
| break; |
| case INDIRECT_CALIBRATION: |
| offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_CALIBRATION); |
| break; |
| case INDIRECT_PROCESS_ADJST: |
| offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_PROCESS_ADJST); |
| break; |
| case INDIRECT_OTHERS: |
| offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_OTHERS); |
| break; |
| default: |
| IWL_ERROR("illegal indirect type: 0x%X\n", |
| address & INDIRECT_TYPE_MSK); |
| break; |
| } |
| |
| /* translate the offset from words to byte */ |
| return (address & ADDRESS_MSK) + (offset << 1); |
| } |
| |
| static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv, |
| size_t offset) |
| { |
| u32 address = eeprom_indirect_address(priv, offset); |
| BUG_ON(address >= priv->cfg->eeprom_size); |
| return &priv->eeprom[address]; |
| } |
| |
| static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) |
| { |
| if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) || |
| (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) { |
| IWL_ERROR("invalid queues_num, should be between %d and %d\n", |
| IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES); |
| return -EINVAL; |
| } |
| |
| priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues; |
| priv->hw_params.sw_crypto = priv->cfg->mod_params->sw_crypto; |
| priv->hw_params.tx_cmd_len = sizeof(struct iwl4965_tx_cmd); |
| priv->hw_params.max_rxq_size = RX_QUEUE_SIZE; |
| priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG; |
| if (priv->cfg->mod_params->amsdu_size_8K) |
| priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_8K; |
| else |
| priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K; |
| priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256; |
| priv->hw_params.max_stations = IWL5000_STATION_COUNT; |
| priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID; |
| priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE; |
| priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE; |
| priv->hw_params.max_bsm_size = BSM_SRAM_SIZE; |
| priv->hw_params.fat_channel = BIT(IEEE80211_BAND_2GHZ) | |
| BIT(IEEE80211_BAND_5GHZ); |
| |
| switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { |
| case CSR_HW_REV_TYPE_5100: |
| case CSR_HW_REV_TYPE_5150: |
| priv->hw_params.tx_chains_num = 1; |
| priv->hw_params.rx_chains_num = 2; |
| /* FIXME: move to ANT_A, ANT_B, ANT_C enum */ |
| priv->hw_params.valid_tx_ant = IWL_ANTENNA_MAIN; |
| priv->hw_params.valid_rx_ant = (IWL_ANTENNA_MAIN | |
| IWL_ANTENNA_AUX); |
| break; |
| case CSR_HW_REV_TYPE_5300: |
| case CSR_HW_REV_TYPE_5350: |
| priv->hw_params.tx_chains_num = 3; |
| priv->hw_params.rx_chains_num = 3; |
| /* FIXME: move to ANT_A, ANT_B, ANT_C enum */ |
| priv->hw_params.valid_tx_ant = (IWL_ANTENNA_MAIN | |
| IWL_ANTENNA_AUX | 0x04); |
| priv->hw_params.valid_rx_ant = (IWL_ANTENNA_MAIN | |
| IWL_ANTENNA_AUX | 0x04); |
| break; |
| } |
| |
| switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { |
| case CSR_HW_REV_TYPE_5100: |
| case CSR_HW_REV_TYPE_5300: |
| /* 5X00 wants in Celsius */ |
| priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD; |
| break; |
| case CSR_HW_REV_TYPE_5150: |
| case CSR_HW_REV_TYPE_5350: |
| /* 5X50 wants in Kelvin */ |
| priv->hw_params.ct_kill_threshold = |
| CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD); |
| break; |
| } |
| |
| return 0; |
| } |
| static struct iwl_hcmd_ops iwl5000_hcmd = { |
| }; |
| |
| static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = { |
| }; |
| |
| static struct iwl_lib_ops iwl5000_lib = { |
| .set_hw_params = iwl5000_hw_set_hw_params, |
| .apm_ops = { |
| .init = iwl5000_apm_init, |
| .set_pwr_src = iwl4965_set_pwr_src, |
| }, |
| .eeprom_ops = { |
| .regulatory_bands = { |
| EEPROM_5000_REG_BAND_1_CHANNELS, |
| EEPROM_5000_REG_BAND_2_CHANNELS, |
| EEPROM_5000_REG_BAND_3_CHANNELS, |
| EEPROM_5000_REG_BAND_4_CHANNELS, |
| EEPROM_5000_REG_BAND_5_CHANNELS, |
| EEPROM_5000_REG_BAND_24_FAT_CHANNELS, |
| EEPROM_5000_REG_BAND_52_FAT_CHANNELS |
| }, |
| .verify_signature = iwlcore_eeprom_verify_signature, |
| .acquire_semaphore = iwlcore_eeprom_acquire_semaphore, |
| .release_semaphore = iwlcore_eeprom_release_semaphore, |
| .query_addr = iwl5000_eeprom_query_addr, |
| }, |
| }; |
| |
| static struct iwl_ops iwl5000_ops = { |
| .lib = &iwl5000_lib, |
| .hcmd = &iwl5000_hcmd, |
| .utils = &iwl5000_hcmd_utils, |
| }; |
| |
| static struct iwl_mod_params iwl50_mod_params = { |
| .num_of_queues = IWL50_NUM_QUEUES, |
| .enable_qos = 1, |
| .amsdu_size_8K = 1, |
| /* the rest are 0 by default */ |
| }; |
| |
| |
| struct iwl_cfg iwl5300_agn_cfg = { |
| .name = "5300AGN", |
| .fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode", |
| .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, |
| .ops = &iwl5000_ops, |
| .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, |
| .mod_params = &iwl50_mod_params, |
| }; |
| |
| struct iwl_cfg iwl5100_agn_cfg = { |
| .name = "5100AGN", |
| .fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode", |
| .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, |
| .ops = &iwl5000_ops, |
| .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, |
| .mod_params = &iwl50_mod_params, |
| }; |
| |
| struct iwl_cfg iwl5350_agn_cfg = { |
| .name = "5350AGN", |
| .fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode", |
| .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, |
| .ops = &iwl5000_ops, |
| .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, |
| .mod_params = &iwl50_mod_params, |
| }; |
| |
| module_param_named(disable50, iwl50_mod_params.disable, int, 0444); |
| MODULE_PARM_DESC(disable50, |
| "manually disable the 50XX radio (default 0 [radio on])"); |
| module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444); |
| MODULE_PARM_DESC(swcrypto50, |
| "using software crypto engine (default 0 [hardware])\n"); |
| module_param_named(debug50, iwl50_mod_params.debug, int, 0444); |
| MODULE_PARM_DESC(debug50, "50XX debug output mask"); |
| module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444); |
| MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series"); |
| module_param_named(qos_enable50, iwl50_mod_params.enable_qos, int, 0444); |
| MODULE_PARM_DESC(qos_enable50, "enable all 50XX QoS functionality"); |
| module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444); |
| MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series"); |
| |
| |