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iwlwifi-ht: move 4965 SCD registers to iwl-prph.h 

This patch moves 4965 SCD registers to iwl-prph.h. These registers
are assigned from the periphery bus

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Emmanuel Grumbach 2007-10-25 17:15:38 +08:00 committed by David S. Miller
parent ac17a947a4
commit 67dc320d47
3 changed files with 44 additions and 45 deletions
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32
drivers/net/wireless/iwlwifi/iwl-4965-hw.h
View File

@ -398,36 +398,6 @@ union iwl_tx_power_dual_stream {
#define SCD_WIN_SIZE 64
#define SCD_FRAME_LIMIT 64
/* memory mapped registers */
#define SCD_START_OFFSET 0xa02c00
#define SCD_SRAM_BASE_ADDR (SCD_START_OFFSET + 0x0)
#define SCD_EMPTY_BITS (SCD_START_OFFSET + 0x4)
#define SCD_DRAM_BASE_ADDR (SCD_START_OFFSET + 0x10)
#define SCD_AIT (SCD_START_OFFSET + 0x18)
#define SCD_TXFACT (SCD_START_OFFSET + 0x1c)
#define SCD_QUEUE_WRPTR(x) (SCD_START_OFFSET + 0x24 + (x) * 4)
#define SCD_QUEUE_RDPTR(x) (SCD_START_OFFSET + 0x64 + (x) * 4)
#define SCD_SETQUEUENUM (SCD_START_OFFSET + 0xa4)
#define SCD_SET_TXSTAT_TXED (SCD_START_OFFSET + 0xa8)
#define SCD_SET_TXSTAT_DONE (SCD_START_OFFSET + 0xac)
#define SCD_SET_TXSTAT_NOT_SCHD (SCD_START_OFFSET + 0xb0)
#define SCD_DECREASE_CREDIT (SCD_START_OFFSET + 0xb4)
#define SCD_DECREASE_SCREDIT (SCD_START_OFFSET + 0xb8)
#define SCD_LOAD_CREDIT (SCD_START_OFFSET + 0xbc)
#define SCD_LOAD_SCREDIT (SCD_START_OFFSET + 0xc0)
#define SCD_BAR (SCD_START_OFFSET + 0xc4)
#define SCD_BAR_DW0 (SCD_START_OFFSET + 0xc8)
#define SCD_BAR_DW1 (SCD_START_OFFSET + 0xcc)
#define SCD_QUEUECHAIN_SEL (SCD_START_OFFSET + 0xd0)
#define SCD_QUERY_REQ (SCD_START_OFFSET + 0xd8)
#define SCD_QUERY_RES (SCD_START_OFFSET + 0xdc)
#define SCD_PENDING_FRAMES (SCD_START_OFFSET + 0xe0)
#define SCD_INTERRUPT_MASK (SCD_START_OFFSET + 0xe4)
#define SCD_INTERRUPT_THRESHOLD (SCD_START_OFFSET + 0xe8)
#define SCD_QUERY_MIN_FRAME_SIZE (SCD_START_OFFSET + 0x100)
#define SCD_QUEUE_STATUS_BITS(x) (SCD_START_OFFSET + 0x104 + (x) * 4)
/* SRAM structures */
#define SCD_CONTEXT_DATA_OFFSET 0x380
#define SCD_TX_STTS_BITMAP_OFFSET 0x400
@ -544,7 +514,7 @@ struct iwl4965_sched_queue_byte_cnt_tbl {
sizeof(__le16)];
} __attribute__ ((packed));
/* Base physical address of iwl_shared is provided to SCD_DRAM_BASE_ADDR
/* Base physical address of iwl_shared is provided to KDR_SCD_DRAM_BASE_ADDR
* and &iwl_shared.val0 is provided to FH_RSCSR_CHNL0_STTS_WPTR_REG */
struct iwl_shared {
struct iwl4965_sched_queue_byte_cnt_tbl

28
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -382,7 +382,7 @@ static int iwl4965_txq_ctx_reset(struct iwl_priv *priv)
goto error_reset;
}
iwl_write_prph(priv, SCD_TXFACT, 0);
iwl_write_prph(priv, KDR_SCD_TXFACT, 0);
iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->lock, flags);
@ -1583,7 +1583,7 @@ static void iwl4965_set_wr_ptrs(struct iwl_priv *priv, int txq_id, u32 index)
{
iwl_write_direct32(priv, HBUS_TARG_WRPTR,
(index & 0xff) | (txq_id << 8));
iwl_write_prph(priv, SCD_QUEUE_RDPTR(txq_id), index);
iwl_write_prph(priv, KDR_SCD_QUEUE_RDPTR(txq_id), index);
}
/*
@ -1596,7 +1596,7 @@ static void iwl4965_tx_queue_set_status(struct iwl_priv *priv,
int txq_id = txq->q.id;
int active = test_bit(txq_id, &priv->txq_ctx_active_msk)?1:0;
iwl_write_prph(priv, SCD_QUEUE_STATUS_BITS(txq_id),
iwl_write_prph(priv, KDR_SCD_QUEUE_STATUS_BITS(txq_id),
(active << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
(tx_fifo_id << SCD_QUEUE_STTS_REG_POS_TXF) |
(scd_retry << SCD_QUEUE_STTS_REG_POS_WSL) |
@ -1654,7 +1654,7 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
return rc;
}
priv->scd_base_addr = iwl_read_prph(priv, SCD_SRAM_BASE_ADDR);
priv->scd_base_addr = iwl_read_prph(priv, KDR_SCD_SRAM_BASE_ADDR);
a = priv->scd_base_addr + SCD_CONTEXT_DATA_OFFSET;
for (; a < priv->scd_base_addr + SCD_TX_STTS_BITMAP_OFFSET; a += 4)
iwl_write_targ_mem(priv, a, 0);
@ -1663,14 +1663,14 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
for (; a < sizeof(u16) * priv->hw_setting.max_txq_num; a += 4)
iwl_write_targ_mem(priv, a, 0);
iwl_write_prph(priv, SCD_DRAM_BASE_ADDR,
iwl_write_prph(priv, KDR_SCD_DRAM_BASE_ADDR,
(priv->hw_setting.shared_phys +
offsetof(struct iwl_shared, queues_byte_cnt_tbls)) >> 10);
iwl_write_prph(priv, SCD_QUEUECHAIN_SEL, 0);
iwl_write_prph(priv, KDR_SCD_QUEUECHAIN_SEL, 0);
/* initiate the queues */
for (i = 0; i < priv->hw_setting.max_txq_num; i++) {
iwl_write_prph(priv, SCD_QUEUE_RDPTR(i), 0);
iwl_write_prph(priv, KDR_SCD_QUEUE_RDPTR(i), 0);
iwl_write_direct32(priv, HBUS_TARG_WRPTR, 0 | (i << 8));
iwl_write_targ_mem(priv, priv->scd_base_addr +
SCD_CONTEXT_QUEUE_OFFSET(i),
@ -1685,10 +1685,10 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK);
}
iwl_write_prph(priv, SCD_INTERRUPT_MASK,
iwl_write_prph(priv, KDR_SCD_INTERRUPT_MASK,
(1 << priv->hw_setting.max_txq_num) - 1);
iwl_write_prph(priv, SCD_TXFACT,
iwl_write_prph(priv, KDR_SCD_TXFACT,
SCD_TXFACT_REG_TXFIFO_MASK(0, 7));
iwl4965_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
@ -4139,7 +4139,7 @@ static void iwl4965_rx_reply_compressed_ba(struct iwl_priv *priv,
static void iwl4965_tx_queue_stop_scheduler(struct iwl_priv *priv, u16 txq_id)
{
iwl_write_prph(priv,
SCD_QUEUE_STATUS_BITS(txq_id),
KDR_SCD_QUEUE_STATUS_BITS(txq_id),
(0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|
(1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
}
@ -4199,7 +4199,7 @@ static int iwl4965_tx_queue_agg_enable(struct iwl_priv *priv, int txq_id,
iwl4965_tx_queue_set_q2ratid(priv, ra_tid, txq_id);
iwl_set_bits_prph(priv, SCD_QUEUECHAIN_SEL, (1<<txq_id));
iwl_set_bits_prph(priv, KDR_SCD_QUEUECHAIN_SEL, (1<<txq_id));
priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
@ -4217,7 +4217,7 @@ static int iwl4965_tx_queue_agg_enable(struct iwl_priv *priv, int txq_id,
(SCD_FRAME_LIMIT << SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS)
& SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK);
iwl_set_bits_prph(priv, SCD_INTERRUPT_MASK, (1 << txq_id));
iwl_set_bits_prph(priv, KDR_SCD_INTERRUPT_MASK, (1 << txq_id));
iwl4965_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 1);
@ -4251,14 +4251,14 @@ static int iwl4965_tx_queue_agg_disable(struct iwl_priv *priv, u16 txq_id,
iwl4965_tx_queue_stop_scheduler(priv, txq_id);
iwl_clear_bits_prph(priv, SCD_QUEUECHAIN_SEL, (1 << txq_id));
iwl_clear_bits_prph(priv, KDR_SCD_QUEUECHAIN_SEL, (1 << txq_id));
priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
/* supposes that ssn_idx is valid (!= 0xFFF) */
iwl4965_set_wr_ptrs(priv, txq_id, ssn_idx);
iwl_clear_bits_prph(priv, SCD_INTERRUPT_MASK, (1 << txq_id));
iwl_clear_bits_prph(priv, KDR_SCD_INTERRUPT_MASK, (1 << txq_id));
iwl4965_txq_ctx_deactivate(priv, txq_id);
iwl4965_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 0);

29
drivers/net/wireless/iwlwifi/iwl-prph.h
View File

@ -225,5 +225,34 @@
#define BSM_SRAM_LOWER_BOUND (PRPH_BASE + 0x3800)
#define BSM_SRAM_SIZE (1024) /* bytes */
/* 4965 SCD memory mapped registers */
#define KDR_SCD_BASE (PRPH_BASE + 0xa02c00)
#define KDR_SCD_SRAM_BASE_ADDR (KDR_SCD_BASE + 0x0)
#define KDR_SCD_EMPTY_BITS (KDR_SCD_BASE + 0x4)
#define KDR_SCD_DRAM_BASE_ADDR (KDR_SCD_BASE + 0x10)
#define KDR_SCD_AIT (KDR_SCD_BASE + 0x18)
#define KDR_SCD_TXFACT (KDR_SCD_BASE + 0x1c)
#define KDR_SCD_QUEUE_WRPTR(x) (KDR_SCD_BASE + 0x24 + (x) * 4)
#define KDR_SCD_QUEUE_RDPTR(x) (KDR_SCD_BASE + 0x64 + (x) * 4)
#define KDR_SCD_SETQUEUENUM (KDR_SCD_BASE + 0xa4)
#define KDR_SCD_SET_TXSTAT_TXED (KDR_SCD_BASE + 0xa8)
#define KDR_SCD_SET_TXSTAT_DONE (KDR_SCD_BASE + 0xac)
#define KDR_SCD_SET_TXSTAT_NOT_SCHD (KDR_SCD_BASE + 0xb0)
#define KDR_SCD_DECREASE_CREDIT (KDR_SCD_BASE + 0xb4)
#define KDR_SCD_DECREASE_SCREDIT (KDR_SCD_BASE + 0xb8)
#define KDR_SCD_LOAD_CREDIT (KDR_SCD_BASE + 0xbc)
#define KDR_SCD_LOAD_SCREDIT (KDR_SCD_BASE + 0xc0)
#define KDR_SCD_BAR (KDR_SCD_BASE + 0xc4)
#define KDR_SCD_BAR_DW0 (KDR_SCD_BASE + 0xc8)
#define KDR_SCD_BAR_DW1 (KDR_SCD_BASE + 0xcc)
#define KDR_SCD_QUEUECHAIN_SEL (KDR_SCD_BASE + 0xd0)
#define KDR_SCD_QUERY_REQ (KDR_SCD_BASE + 0xd8)
#define KDR_SCD_QUERY_RES (KDR_SCD_BASE + 0xdc)
#define KDR_SCD_PENDING_FRAMES (KDR_SCD_BASE + 0xe0)
#define KDR_SCD_INTERRUPT_MASK (KDR_SCD_BASE + 0xe4)
#define KDR_SCD_INTERRUPT_THRESHOLD (KDR_SCD_BASE + 0xe8)
#define KDR_SCD_QUERY_MIN_FRAME_SIZE (KDR_SCD_BASE + 0x100)
#define KDR_SCD_QUEUE_STATUS_BITS(x) (KDR_SCD_BASE + 0x104 + (x) * 4)
#endif /* __iwl_prph_h__ */