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iwlwifi: reorganize flow handler bitology

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This patch cleans up FH bits and adds missing register values
that will be used later in TX initialization rewrite

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Winkler, Tomas
2008-10-29 14:05:43 -07:00
committed by John W. Linville
parent c7ab5ef9bc
commit 9c80c50211
3 changed files with 35 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@@ -535,7 +535,7 @@ static int iwl5000_load_section(struct iwl_priv *priv,
iwl_write_direct32(priv, iwl_write_direct32(priv,
FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), 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_CHNL_ENABLE |
FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL | FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE |
FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
iwl_release_nic_access(priv); iwl_release_nic_access(priv);
@@ -549,8 +549,7 @@ static int iwl5000_load_given_ucode(struct iwl_priv *priv,
{ {
int ret = 0; int ret = 0;
ret = iwl5000_load_section( ret = iwl5000_load_section(priv, inst_image, RTC_INST_LOWER_BOUND);
priv, inst_image, RTC_INST_LOWER_BOUND);
if (ret) if (ret)
return ret; return ret;
@@ -753,6 +752,7 @@ static int iwl5000_alive_notify(struct iwl_priv *priv)
priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7)); priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7));
iwl5000_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0); iwl5000_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
/* map qos queues to fifos one-to-one */ /* map qos queues to fifos one-to-one */
for (i = 0; i < ARRAY_SIZE(iwl5000_default_queue_to_tx_fifo); i++) { for (i = 0; i < ARRAY_SIZE(iwl5000_default_queue_to_tx_fifo); i++) {
int ac = iwl5000_default_queue_to_tx_fifo[i]; int ac = iwl5000_default_queue_to_tx_fifo[i];

42
drivers/net/wireless/iwlwifi/iwl-fh.h
View File

@@ -318,34 +318,40 @@
#define FH_TCSR_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xE60) #define FH_TCSR_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xE60)
/* Find Control/Status reg for given Tx DMA/FIFO channel */ /* Find Control/Status reg for given Tx DMA/FIFO channel */
#define FH49_TCSR_CHNL_NUM (7)
#define FH50_TCSR_CHNL_NUM (8)
#define FH_TCSR_CHNL_TX_CONFIG_REG(_chnl) \ #define FH_TCSR_CHNL_TX_CONFIG_REG(_chnl) \
(FH_TCSR_LOWER_BOUND + 0x20 * _chnl) (FH_TCSR_LOWER_BOUND + 0x20 * (_chnl))
#define FH_TCSR_CHNL_TX_CREDIT_REG(_chnl) \
(FH_TCSR_LOWER_BOUND + 0x20 * (_chnl) + 0x4)
#define FH_TCSR_CHNL_TX_BUF_STS_REG(_chnl) \
(FH_TCSR_LOWER_BOUND + 0x20 * (_chnl) + 0x8)
#define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL (0x00000000) #define FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF (0x00000000)
#define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL (0x00000008) #define FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRV (0x00000001)
#define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE (0x00000000) #define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE (0x00000000)
#define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE_EOF (0x40000000) #define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE (0x00000008)
#define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE (0x80000000)
#define FH_TCSR_CHNL_NUM (7)
#define FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_EMPTY (0x00000000)
#define FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_WAIT (0x00002000)
#define FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID (0x00000003)
#define FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_NOINT (0x00000000) #define FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_NOINT (0x00000000)
#define FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD (0x00100000) #define FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD (0x00100000)
#define FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD (0x00200000) #define FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD (0x00200000)
#define FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT (0x00000000)
#define FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_ENDTFD (0x00400000)
#define FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_IFTFD (0x00800000)
#define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE (0x00000000)
#define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE_EOF (0x40000000)
#define FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE (0x80000000)
#define FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_EMPTY (0x00000000)
#define FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_WAIT (0x00002000)
#define FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID (0x00000003)
#define FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM (20) #define FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM (20)
#define FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX (12) #define FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX (12)
#define FH_TCSR_CHNL_TX_CONFIG_REG(_chnl) \
(FH_TCSR_LOWER_BOUND + 0x20 * _chnl)
#define FH_TCSR_CHNL_TX_CREDIT_REG(_chnl) \
(FH_TCSR_LOWER_BOUND + 0x20 * _chnl + 0x4)
#define FH_TCSR_CHNL_TX_BUF_STS_REG(_chnl) \
(FH_TCSR_LOWER_BOUND + 0x20 * _chnl + 0x8)
/** /**
* Tx Shared Status Registers (TSSR) * Tx Shared Status Registers (TSSR)

2
drivers/net/wireless/iwlwifi/iwl-tx.c
View File

@@ -432,7 +432,7 @@ static int iwl_hw_tx_queue_init(struct iwl_priv *priv,
/* Enable DMA channel, using same id as for TFD queue */ /* Enable DMA channel, using same id as for TFD queue */
iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(txq_id), iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(txq_id),
FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL); FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE);
iwl_release_nic_access(priv); iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->lock, flags); spin_unlock_irqrestore(&priv->lock, flags);