From: Zhu Yi <yi.zhu@intel.com>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org, Tomas Winkler <tomas.winkler@intel.com>
Subject: [PATCH 15/43] iwlwifi: move txq_ctx_stop into iwl-tx.c
Date: Thu, 29 May 2008 16:35:00 +0800 [thread overview]
Message-ID: <1212050128-17132-16-git-send-email-yi.zhu@intel.com> (raw)
In-Reply-To: <1212050128-17132-15-git-send-email-yi.zhu@intel.com>
From: Tomas Winkler <tomas.winkler@intel.com>
This patch moves txq_ctx_stop into iwl-tx.c iwlcore module.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
---
drivers/net/wireless/iwlwifi/iwl-4965.c | 59 +++---------------
drivers/net/wireless/iwlwifi/iwl-5000.c | 32 +++-------
drivers/net/wireless/iwlwifi/iwl-core.h | 2 +-
drivers/net/wireless/iwlwifi/iwl-dev.h | 2 +-
drivers/net/wireless/iwlwifi/iwl-helpers.h | 2 +
drivers/net/wireless/iwlwifi/iwl-prph.h | 5 --
drivers/net/wireless/iwlwifi/iwl-tx.c | 88 ++++++++++++++++++++-------
drivers/net/wireless/iwlwifi/iwl4965-base.c | 2 +-
8 files changed, 88 insertions(+), 104 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index c586490..fe73191 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -468,25 +468,13 @@ int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
return ret;
}
-static int iwl4965_disable_tx_fifo(struct iwl_priv *priv)
+/*
+ * Activate/Deactivat Tx DMA/FIFO channels according tx fifos mask
+ * must be called under priv->lock and mac access
+ */
+static void iwl4965_txq_set_sched(struct iwl_priv *priv, u32 mask)
{
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&priv->lock, flags);
-
- ret = iwl_grab_nic_access(priv);
- if (unlikely(ret)) {
- IWL_ERROR("Tx fifo reset failed");
- spin_unlock_irqrestore(&priv->lock, flags);
- return ret;
- }
-
- iwl_write_prph(priv, IWL49_SCD_TXFACT, 0);
- iwl_release_nic_access(priv);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- return 0;
+ iwl_write_prph(priv, IWL49_SCD_TXFACT, mask);
}
static int iwl4965_apm_init(struct iwl_priv *priv)
@@ -579,36 +567,6 @@ static void iwl4965_nic_config(struct iwl_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}
-/**
- * iwl4965_hw_txq_ctx_stop - Stop all Tx DMA channels, free Tx queue memory
- */
-void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv)
-{
-
- int txq_id;
- unsigned long flags;
-
- /* Stop each Tx DMA channel, and wait for it to be idle */
- for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
- spin_lock_irqsave(&priv->lock, flags);
- if (iwl_grab_nic_access(priv)) {
- spin_unlock_irqrestore(&priv->lock, flags);
- continue;
- }
-
- iwl_write_direct32(priv,
- FH_TCSR_CHNL_TX_CONFIG_REG(txq_id), 0x0);
- iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG,
- FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE
- (txq_id), 200);
- iwl_release_nic_access(priv);
- spin_unlock_irqrestore(&priv->lock, flags);
- }
-
- /* Deallocate memory for all Tx queues */
- iwl_hw_txq_ctx_free(priv);
-}
-
static int iwl4965_apm_stop_master(struct iwl_priv *priv)
{
int ret = 0;
@@ -995,8 +953,7 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
(1 << priv->hw_params.max_txq_num) - 1);
/* Activate all Tx DMA/FIFO channels */
- iwl_write_prph(priv, IWL49_SCD_TXFACT,
- SCD_TXFACT_REG_TXFIFO_MASK(0, 7));
+ priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7));
iwl4965_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
@@ -3622,7 +3579,7 @@ static struct iwl_lib_ops iwl4965_lib = {
.free_shared_mem = iwl4965_free_shared_mem,
.shared_mem_rx_idx = iwl4965_shared_mem_rx_idx,
.txq_update_byte_cnt_tbl = iwl4965_txq_update_byte_cnt_tbl,
- .disable_tx_fifo = iwl4965_disable_tx_fifo,
+ .txq_set_sched = iwl4965_txq_set_sched,
.rx_handler_setup = iwl4965_rx_handler_setup,
.is_valid_rtc_data_addr = iwl4965_hw_valid_rtc_data_addr,
.alive_notify = iwl4965_alive_notify,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index d607452..a94cd36 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -662,10 +662,10 @@ static int iwl5000_alive_notify(struct iwl_priv *priv)
}
iwl_write_prph(priv, IWL50_SCD_INTERRUPT_MASK,
- (1 << priv->hw_params.max_txq_num) - 1);
+ IWL_MASK(0, priv->hw_params.max_txq_num));
- iwl_write_prph(priv, IWL50_SCD_TXFACT,
- SCD_TXFACT_REG_TXFIFO_MASK(0, 7));
+ /* Activate all Tx DMA/FIFO channels */
+ priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7));
iwl5000_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
/* map qos queues to fifos one-to-one */
@@ -839,25 +839,13 @@ static u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
}
-static int iwl5000_disable_tx_fifo(struct iwl_priv *priv)
+/*
+ * Activate/Deactivat Tx DMA/FIFO channels according tx fifos mask
+ * must be called under priv->lock and mac access
+ */
+static void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask)
{
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&priv->lock, flags);
-
- ret = iwl_grab_nic_access(priv);
- if (unlikely(ret)) {
- IWL_ERROR("Tx fifo reset failed");
- spin_unlock_irqrestore(&priv->lock, flags);
- return ret;
- }
-
- iwl_write_prph(priv, IWL50_SCD_TXFACT, 0);
- iwl_release_nic_access(priv);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- return 0;
+ iwl_write_prph(priv, IWL50_SCD_TXFACT, mask);
}
/* Currently 5000 is the supperset of everything */
@@ -894,7 +882,7 @@ static struct iwl_lib_ops iwl5000_lib = {
.free_shared_mem = iwl5000_free_shared_mem,
.shared_mem_rx_idx = iwl5000_shared_mem_rx_idx,
.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
- .disable_tx_fifo = iwl5000_disable_tx_fifo,
+ .txq_set_sched = iwl5000_txq_set_sched,
.rx_handler_setup = iwl5000_rx_handler_setup,
.is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
.load_ucode = iwl5000_load_ucode,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index d6e6985..d67b53c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -110,7 +110,7 @@ struct iwl_lib_ops {
/* setup Rx handler */
void (*rx_handler_setup)(struct iwl_priv *priv);
/* nic Tx fifo handling */
- int (*disable_tx_fifo)(struct iwl_priv *priv);
+ void (*txq_set_sched)(struct iwl_priv *priv, u32 mask);
/* alive notification after init uCode load */
void (*init_alive_start)(struct iwl_priv *priv);
/* alive notification */
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 44bd827..3cefaaf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -686,7 +686,7 @@ extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv);
-extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
+extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
struct iwl_frame *frame, u8 rate);
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h
index e4c3f84..dedefa0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-helpers.h
+++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h
@@ -136,6 +136,8 @@ static inline void iwl_set_bits16(__le16 *dst, u8 pos, u8 len, int val)
#define KELVIN_TO_CELSIUS(x) ((x)-273)
#define CELSIUS_TO_KELVIN(x) ((x)+273)
+#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))
+
#define IEEE80211_CHAN_W_RADAR_DETECT 0x00000010
diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index d6a04f6..15cb7ff 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -358,11 +358,6 @@
* 7- 0: Enable (1), disable (0), one bit for each channel 0-7
*/
#define IWL49_SCD_TXFACT (IWL49_SCD_START_OFFSET + 0x1c)
-
-/* Mask to enable contiguous Tx DMA/FIFO channels between "lo" and "hi". */
-#define SCD_TXFACT_REG_TXFIFO_MASK(lo, hi) \
- ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))
-
/*
* Queue (x) Write Pointers (indexes, really!), one for each Tx queue.
* Initialized and updated by driver as new TFDs are added to queue.
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 0ebab96..0b822b5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -263,24 +263,6 @@ EXPORT_SYMBOL(iwl_queue_space);
/**
- * iwl_hw_txq_ctx_free - Free TXQ Context
- *
- * Destroy all TX DMA queues and structures
- */
-void iwl_hw_txq_ctx_free(struct iwl_priv *priv)
-{
- int txq_id;
-
- /* Tx queues */
- for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++)
- iwl_tx_queue_free(priv, &priv->txq[txq_id]);
-
- /* Keep-warm buffer */
- iwl_kw_free(priv);
-}
-EXPORT_SYMBOL(iwl_hw_txq_ctx_free);
-
-/**
* iwl_queue_init - Initialize queue's high/low-water and read/write indexes
*/
static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q,
@@ -437,6 +419,24 @@ static int iwl_tx_queue_init(struct iwl_priv *priv,
return 0;
}
+/**
+ * iwl_hw_txq_ctx_free - Free TXQ Context
+ *
+ * Destroy all TX DMA queues and structures
+ */
+void iwl_hw_txq_ctx_free(struct iwl_priv *priv)
+{
+ int txq_id;
+
+ /* Tx queues */
+ for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++)
+ iwl_tx_queue_free(priv, &priv->txq[txq_id]);
+
+ /* Keep-warm buffer */
+ iwl_kw_free(priv);
+}
+EXPORT_SYMBOL(iwl_hw_txq_ctx_free);
+
/**
* iwl_txq_ctx_reset - Reset TX queue context
@@ -449,6 +449,7 @@ int iwl_txq_ctx_reset(struct iwl_priv *priv)
{
int ret = 0;
int txq_id, slots_num;
+ unsigned long flags;
iwl_kw_free(priv);
@@ -461,11 +462,19 @@ int iwl_txq_ctx_reset(struct iwl_priv *priv)
IWL_ERROR("Keep Warm allocation failed");
goto error_kw;
}
+ spin_lock_irqsave(&priv->lock, flags);
+ ret = iwl_grab_nic_access(priv);
+ if (unlikely(ret)) {
+ spin_unlock_irqrestore(&priv->lock, flags);
+ goto error_reset;
+ }
/* Turn off all Tx DMA fifos */
- ret = priv->cfg->ops->lib->disable_tx_fifo(priv);
- if (unlikely(ret))
- goto error_reset;
+ priv->cfg->ops->lib->txq_set_sched(priv, 0);
+
+ iwl_release_nic_access(priv);
+ spin_unlock_irqrestore(&priv->lock, flags);
+
/* Tell nic where to find the keep-warm buffer */
ret = iwl_kw_init(priv);
@@ -474,8 +483,7 @@ int iwl_txq_ctx_reset(struct iwl_priv *priv)
goto error_reset;
}
- /* Alloc and init all (default 16) Tx queues,
- * including the command queue (#4) */
+ /* Alloc and init all Tx queues, including the command queue (#4) */
for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
slots_num = (txq_id == IWL_CMD_QUEUE_NUM) ?
TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
@@ -496,6 +504,40 @@ int iwl_txq_ctx_reset(struct iwl_priv *priv)
error_kw:
return ret;
}
+/**
+ * iwl_txq_ctx_stop - Stop all Tx DMA channels, free Tx queue memory
+ */
+void iwl_txq_ctx_stop(struct iwl_priv *priv)
+{
+
+ int txq_id;
+ unsigned long flags;
+
+
+ /* Turn off all Tx DMA fifos */
+ spin_lock_irqsave(&priv->lock, flags);
+ if (iwl_grab_nic_access(priv)) {
+ spin_unlock_irqrestore(&priv->lock, flags);
+ return;
+ }
+
+ priv->cfg->ops->lib->txq_set_sched(priv, 0);
+
+ /* Stop each Tx DMA channel, and wait for it to be idle */
+ for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
+ iwl_write_direct32(priv,
+ FH_TCSR_CHNL_TX_CONFIG_REG(txq_id), 0x0);
+ iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG,
+ FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE
+ (txq_id), 200);
+ }
+ iwl_release_nic_access(priv);
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ /* Deallocate memory for all Tx queues */
+ iwl_hw_txq_ctx_free(priv);
+}
+EXPORT_SYMBOL(iwl_txq_ctx_stop);
/*
* handle build REPLY_TX command notification.
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index af0ffd3..2652f5f 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -3404,7 +3404,7 @@ static void __iwl4965_down(struct iwl_priv *priv)
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
spin_unlock_irqrestore(&priv->lock, flags);
- iwl4965_hw_txq_ctx_stop(priv);
+ iwl_txq_ctx_stop(priv);
iwl4965_hw_rxq_stop(priv);
spin_lock_irqsave(&priv->lock, flags);
--
1.5.3.6
next prev parent reply other threads:[~2008-05-29 8:37 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-29 8:34 [PATCH 00/43] iwlwifi driver 05/29 updates Zhu Yi
2008-05-29 8:34 ` [PATCH 01/43] iwlwifi: move iwl_dump_nic_error_log to iwlcore module Zhu Yi
2008-05-29 8:34 ` [PATCH 02/43] iwlwifi: add RTC data address for iwl5000 Zhu Yi
2008-05-29 8:34 ` [PATCH 03/43] iwlwifi: use uCode error and event tables pointer w.r.t loaded image Zhu Yi
2008-05-29 8:34 ` [PATCH 04/43] iwlwifi: increase max payload of iwl_cmd Zhu Yi
2008-05-29 8:34 ` [PATCH 05/43] iwlwifi: create drivers debugfs dir under wiphy->debugfsdir Zhu Yi
2008-05-29 8:34 ` [PATCH 06/43] iwlwifi: mark 4965 ucode types Zhu Yi
2008-05-29 8:34 ` [PATCH 07/43] iwlwifi: remove unused variable form __iwl4965_down Zhu Yi
2008-05-29 8:34 ` [PATCH 08/43] iwlwifi: remove notif_missed_beacons variable Zhu Yi
2008-05-29 8:34 ` [PATCH 09/43] iwlwifi: clean up alive_start routine Zhu Yi
2008-05-29 8:34 ` [PATCH 10/43] iwlwifi: remove 4965 from alive_resp structures Zhu Yi
2008-05-29 8:34 ` [PATCH 11/43] iwlwifi: setup correctly L1 L0S pi link values Zhu Yi
2008-05-29 8:34 ` [PATCH 12/43] iwlwifi: implement apm reset flow Zhu Yi
2008-05-29 8:34 ` [PATCH 13/43] iwlwifi: implement apm stop function Zhu Yi
2008-05-29 8:34 ` [PATCH 14/43] iwlwifi: refactor stop master function Zhu Yi
2008-05-29 8:35 ` Zhu Yi [this message]
2008-05-29 8:35 ` [PATCH 16/43] iwlwifi: move iwl_rxq_stop into iwl-rx.c Zhu Yi
2008-05-29 8:35 ` [PATCH 17/43] iwlwifi: add remove station functionality Zhu Yi
2008-05-29 8:35 ` [PATCH 18/43] iwlwifi: move add sta handler to iwl-sta.c Zhu Yi
2008-05-29 8:35 ` [PATCH 19/43] iwlwifi: move iwl_rx_missed_beacon_notif to iwl-rx.c Zhu Yi
2008-05-29 8:35 ` [PATCH 20/43] iwlwifi-5000: implement initial calibration for 5000 Zhu Yi
2008-05-29 8:35 ` [PATCH 21/43] iwlwifi: activate status ready timeout only for run time ucode Zhu Yi
2008-05-29 8:35 ` [PATCH 22/43] iwlwifi: add iwl5000_tx_response structure Zhu Yi
2008-05-29 8:35 ` [PATCH 23/43] iwlwifi: move tx response common handlers to iwlcore Zhu Yi
2008-05-29 8:35 ` [PATCH 24/43] iwlwlifi: impelemnt 5000 tx response path Zhu Yi
2008-05-29 8:35 ` [PATCH 25/43] iwlwifi: move 4965 tx response into iwl-4965.c Zhu Yi
2008-05-29 8:35 ` [PATCH 26/43] iwlwifi: fix in-column rate scaling Zhu Yi
2008-05-29 8:35 ` [PATCH 27/43] iwlwifi: move tx reclaim flow into iwl-tx Zhu Yi
2008-05-29 8:35 ` [PATCH 28/43] iwlwifi: implement txq invalidate byte count table Zhu Yi
2008-05-29 8:35 ` [PATCH 29/43] iwlwifi: iwl-5000 add rxon_assoc Zhu Yi
2008-05-29 8:35 ` [PATCH 30/43] iwlwifi: move iwl_sta_modify_enable_tid_tx to iwl-sta.c Zhu Yi
2008-05-29 8:35 ` [PATCH 31/43] iwlwifi: move aggregation code to iwl-tx.c Zhu Yi
2008-05-29 8:35 ` [PATCH 32/43] iwlwifi: add frame count limit to link quality command Zhu Yi
2008-05-29 8:35 ` [PATCH 33/43] iwlwifi: Rx handlers common use for 4965 and 5000 Zhu Yi
2008-05-29 8:35 ` [PATCH 34/43] iwlwifi: move iwl_get_hw_mode to iwl-core.h Zhu Yi
2008-05-29 8:35 ` [PATCH 35/43] mac80211: fix ieee80211_get_buffered_bc Zhu Yi
2008-05-29 8:35 ` [PATCH 36/43] mac80211: fix deadlock in sta->lock Zhu Yi
2008-05-29 8:35 ` [PATCH 37/43] mac80211: sends HT IE to user level through wext Zhu Yi
2008-05-29 8:35 ` [PATCH 38/43] mac80211: allow disable FAT in specific configurations Zhu Yi
2008-05-29 8:35 ` [PATCH 39/43] iwlwifi: disable FAT channel when not permitted Zhu Yi
2008-05-29 8:35 ` [PATCH 40/43] iwlwifi: fix a memory leak in scan Zhu Yi
2008-05-29 8:35 ` [PATCH 41/43] iwlwifi: remove debugfs entries before cfg80211 Zhu Yi
2008-05-29 8:35 ` [PATCH 42/43] iwlwifi: send calibration results as HUGE commands Zhu Yi
2008-05-29 8:35 ` [PATCH 43/43] iwlwifi: clean iwl4965_mac_config Zhu Yi
2008-05-30 11:47 ` [PATCH 40/43] iwlwifi: fix a memory leak in scan Tomas Winkler
2008-05-29 9:37 ` [PATCH 38/43] mac80211: allow disable FAT in specific configurations Johannes Berg
2008-05-29 9:58 ` Tomas Winkler
2008-05-29 10:12 ` Johannes Berg
2008-05-29 10:39 ` Tomas Winkler
2008-05-29 10:49 ` Johannes Berg
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