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Loading uCode functions are shared across multiple agn devices. Move those functions to iwl-agn-ucode.c file with other uCode related functions. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
187 lines
5.2 KiB
C
187 lines
5.2 KiB
C
/******************************************************************************
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/sched.h>
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#include "iwl-dev.h"
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#include "iwl-core.h"
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#include "iwl-io.h"
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#include "iwl-5000-hw.h"
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/*
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* ucode
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*/
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static int iwlagn_load_section(struct iwl_priv *priv, const char *name,
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struct fw_desc *image, u32 dst_addr)
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{
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dma_addr_t phy_addr = image->p_addr;
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u32 byte_cnt = image->len;
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int ret;
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priv->ucode_write_complete = 0;
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iwl_write_direct32(priv,
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FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
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FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
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iwl_write_direct32(priv,
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FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr);
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iwl_write_direct32(priv,
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FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
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phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
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iwl_write_direct32(priv,
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FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL),
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(iwl_get_dma_hi_addr(phy_addr)
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<< FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt);
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iwl_write_direct32(priv,
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FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL),
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1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
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1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX |
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FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
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iwl_write_direct32(priv,
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FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
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FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
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FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE |
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FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
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IWL_DEBUG_INFO(priv, "%s uCode section being loaded...\n", name);
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ret = wait_event_interruptible_timeout(priv->wait_command_queue,
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priv->ucode_write_complete, 5 * HZ);
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if (ret == -ERESTARTSYS) {
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IWL_ERR(priv, "Could not load the %s uCode section due "
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"to interrupt\n", name);
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return ret;
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}
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if (!ret) {
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IWL_ERR(priv, "Could not load the %s uCode section\n",
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name);
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return -ETIMEDOUT;
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}
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return 0;
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}
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static int iwlagn_load_given_ucode(struct iwl_priv *priv,
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struct fw_desc *inst_image,
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struct fw_desc *data_image)
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{
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int ret = 0;
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ret = iwlagn_load_section(priv, "INST", inst_image,
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IWL50_RTC_INST_LOWER_BOUND);
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if (ret)
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return ret;
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return iwlagn_load_section(priv, "DATA", data_image,
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IWL50_RTC_DATA_LOWER_BOUND);
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}
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int iwlagn_load_ucode(struct iwl_priv *priv)
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{
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int ret = 0;
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/* check whether init ucode should be loaded, or rather runtime ucode */
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if (priv->ucode_init.len && (priv->ucode_type == UCODE_NONE)) {
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IWL_DEBUG_INFO(priv, "Init ucode found. Loading init ucode...\n");
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ret = iwlagn_load_given_ucode(priv,
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&priv->ucode_init, &priv->ucode_init_data);
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if (!ret) {
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IWL_DEBUG_INFO(priv, "Init ucode load complete.\n");
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priv->ucode_type = UCODE_INIT;
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}
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} else {
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IWL_DEBUG_INFO(priv, "Init ucode not found, or already loaded. "
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"Loading runtime ucode...\n");
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ret = iwlagn_load_given_ucode(priv,
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&priv->ucode_code, &priv->ucode_data);
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if (!ret) {
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IWL_DEBUG_INFO(priv, "Runtime ucode load complete.\n");
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priv->ucode_type = UCODE_RT;
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}
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}
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return ret;
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}
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#define IWL_UCODE_GET(item) \
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static u32 iwlagn_ucode_get_##item(const struct iwl_ucode_header *ucode,\
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u32 api_ver) \
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{ \
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if (api_ver <= 2) \
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return le32_to_cpu(ucode->u.v1.item); \
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return le32_to_cpu(ucode->u.v2.item); \
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}
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static u32 iwlagn_ucode_get_header_size(u32 api_ver)
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{
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if (api_ver <= 2)
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return UCODE_HEADER_SIZE(1);
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return UCODE_HEADER_SIZE(2);
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}
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static u32 iwlagn_ucode_get_build(const struct iwl_ucode_header *ucode,
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u32 api_ver)
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{
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if (api_ver <= 2)
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return 0;
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return le32_to_cpu(ucode->u.v2.build);
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}
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static u8 *iwlagn_ucode_get_data(const struct iwl_ucode_header *ucode,
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u32 api_ver)
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{
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if (api_ver <= 2)
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return (u8 *) ucode->u.v1.data;
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return (u8 *) ucode->u.v2.data;
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}
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IWL_UCODE_GET(inst_size);
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IWL_UCODE_GET(data_size);
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IWL_UCODE_GET(init_size);
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IWL_UCODE_GET(init_data_size);
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IWL_UCODE_GET(boot_size);
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struct iwl_ucode_ops iwlagn_ucode = {
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.get_header_size = iwlagn_ucode_get_header_size,
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.get_build = iwlagn_ucode_get_build,
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.get_inst_size = iwlagn_ucode_get_inst_size,
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.get_data_size = iwlagn_ucode_get_data_size,
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.get_init_size = iwlagn_ucode_get_init_size,
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.get_init_data_size = iwlagn_ucode_get_init_data_size,
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.get_boot_size = iwlagn_ucode_get_boot_size,
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.get_data = iwlagn_ucode_get_data,
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};
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