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iwlwifi: add ucode loaders for iwl5000

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This patch adds ucode initialization handler and functions to load
ucode for iwl5000 NIC.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ron Rindjunsky 2008-05-15 13:54:12 +08:00 committed by John W. Linville
parent b600e4e1c5
commit dbb983b70a
3 changed files with 145 additions and 0 deletions
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134
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@ -287,6 +287,139 @@ static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
return &priv->eeprom[address];
}
/*
* ucode
*/
static int iwl5000_load_section(struct iwl_priv *priv,
struct fw_desc *image,
u32 dst_addr)
{
int ret = 0;
unsigned long flags;
dma_addr_t phy_addr = image->p_addr;
u32 byte_cnt = image->len;
spin_lock_irqsave(&priv->lock, flags);
ret = iwl_grab_nic_access(priv);
if (ret) {
spin_unlock_irqrestore(&priv->lock, flags);
return ret;
}
iwl_write_direct32(priv,
FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
iwl_write_direct32(priv,
FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr);
iwl_write_direct32(priv,
FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
/* FIME: write the MSB of the phy_addr in CTRL1
* iwl_write_direct32(priv,
IWL_FH_TFDIB_CTRL1_REG(IWL_FH_SRVC_CHNL),
((phy_addr & MSB_MSK)
<< FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_count);
*/
iwl_write_direct32(priv,
FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL), byte_cnt);
iwl_write_direct32(priv,
FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL),
1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX |
FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
iwl_write_direct32(priv,
FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL |
FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->lock, flags);
return 0;
}
static int iwl5000_load_given_ucode(struct iwl_priv *priv,
struct fw_desc *inst_image,
struct fw_desc *data_image)
{
int ret = 0;
ret = iwl5000_load_section(
priv, inst_image, RTC_INST_LOWER_BOUND);
if (ret)
return ret;
IWL_DEBUG_INFO("INST uCode section being loaded...\n");
ret = wait_event_interruptible_timeout(priv->wait_command_queue,
priv->ucode_write_complete, 5 * HZ);
if (ret == -ERESTARTSYS) {
IWL_ERROR("Could not load the INST uCode section due "
"to interrupt\n");
return ret;
}
if (!ret) {
IWL_ERROR("Could not load the INST uCode section\n");
return -ETIMEDOUT;
}
priv->ucode_write_complete = 0;
ret = iwl5000_load_section(
priv, data_image, RTC_DATA_LOWER_BOUND);
if (ret)
return ret;
IWL_DEBUG_INFO("DATA uCode section being loaded...\n");
ret = wait_event_interruptible_timeout(priv->wait_command_queue,
priv->ucode_write_complete, 5 * HZ);
if (ret == -ERESTARTSYS) {
IWL_ERROR("Could not load the INST uCode section due "
"to interrupt\n");
return ret;
} else if (!ret) {
IWL_ERROR("Could not load the DATA uCode section\n");
return -ETIMEDOUT;
} else
ret = 0;
priv->ucode_write_complete = 0;
return ret;
}
static int iwl5000_load_ucode(struct iwl_priv *priv)
{
int ret = 0;
/* check whether init ucode should be loaded, or rather runtime ucode */
if (priv->ucode_init.len && (priv->ucode_type == UCODE_NONE)) {
IWL_DEBUG_INFO("Init ucode found. Loading init ucode...\n");
ret = iwl5000_load_given_ucode(priv,
&priv->ucode_init, &priv->ucode_init_data);
if (!ret) {
IWL_DEBUG_INFO("Init ucode load complete.\n");
priv->ucode_type = UCODE_INIT;
}
} else {
IWL_DEBUG_INFO("Init ucode not found, or already loaded. "
"Loading runtime ucode...\n");
ret = iwl5000_load_given_ucode(priv,
&priv->ucode_code, &priv->ucode_data);
if (!ret) {
IWL_DEBUG_INFO("Runtime ucode load complete.\n");
priv->ucode_type = UCODE_RT;
}
}
return ret;
}
static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
{
if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
@ -488,6 +621,7 @@ static struct iwl_lib_ops iwl5000_lib = {
.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
.disable_tx_fifo = iwl5000_disable_tx_fifo,
.rx_handler_setup = iwl5000_rx_handler_setup,
.load_ucode = iwl5000_load_ucode,
.apm_ops = {
.init = iwl5000_apm_init,
.config = iwl5000_nic_config,

8
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -876,6 +876,12 @@ struct statistics_general_data {
u32 beacon_energy_c;
};
enum ucode_type {
UCODE_NONE = 0,
UCODE_INIT,
UCODE_RT
};
#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
/* Sensitivity calib data */
struct iwl_sensitivity_data {
@ -1010,6 +1016,8 @@ struct iwl_priv {
struct fw_desc ucode_init; /* initialization inst */
struct fw_desc ucode_init_data; /* initialization data */
struct fw_desc ucode_boot; /* bootstrap inst */
enum ucode_type ucode_type;
u8 ucode_write_complete; /* the image write is complete */
struct iwl4965_rxon_time_cmd rxon_timing;

3
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -2978,6 +2978,9 @@ static void iwl4965_irq_tasklet(struct iwl_priv *priv)
if (inta & CSR_INT_BIT_FH_TX) {
IWL_DEBUG_ISR("Tx interrupt\n");
handled |= CSR_INT_BIT_FH_TX;
/* FH finished to write, send event */
priv->ucode_write_complete = 1;
wake_up_interruptible(&priv->wait_command_queue);
}
if (inta & ~handled)