Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fcd427bbba10fc315d1c958b85bba74448db4eb4
Commit:     fcd427bbba10fc315d1c958b85bba74448db4eb4
Parent:     14519a0b46085db68e610147098d03386c34801f
Author:     Ben Cahill <[EMAIL PROTECTED]>
AuthorDate: Thu Nov 29 11:10:00 2007 +0800
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 15:05:26 2008 -0800

    iwlwifi: move HT_IE_EXT_CHANNEL_* driver definitions to iwl-4965.h
    
    Move HT_IE_EXT_CHANNEL_* driver definitions to iwl-4965.h
    
    Add comments to guide .h file usage (hw/api/driver definitions)
    
    Minor comment cleanup
    
    Signed-off-by: Ben Cahill <[EMAIL PROTECTED]>
    Signed-off-by: Zhu Yi <[EMAIL PROTECTED]>
    Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
---
 drivers/net/wireless/iwlwifi/iwl-3945-commands.h |    5 +++
 drivers/net/wireless/iwlwifi/iwl-3945-hw.h       |   32 ++++++++++----------
 drivers/net/wireless/iwlwifi/iwl-3945.h          |    5 +++
 drivers/net/wireless/iwlwifi/iwl-4965-commands.h |    5 +++
 drivers/net/wireless/iwlwifi/iwl-4965-hw.h       |   35 ++++++++++-----------
 drivers/net/wireless/iwlwifi/iwl-4965.h          |   25 ++++++++++++---
 6 files changed, 68 insertions(+), 39 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-commands.h 
b/drivers/net/wireless/iwlwifi/iwl-3945-commands.h
index dc7498d..794db78 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-commands.h
@@ -60,6 +60,11 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  *****************************************************************************/
+/*
+ * Please use this file (iwl-3945-commands.h) only for uCode API definitions.
+ * Please use iwl-3945-hw.h for hardware-related definitions.
+ * Please use iwl-3945.h for driver implementation definitions.
+ */
 
 #ifndef __iwl_3945_commands_h__
 #define __iwl_3945_commands_h__
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h 
b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
index 4fa947d..5dde410 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
@@ -60,6 +60,11 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  *****************************************************************************/
+/*
+ * Please use this file (iwl-3945-hw.h) only for hardware-related definitions.
+ * Please use iwl-3945-commands.h for uCode API definitions.
+ * Please use iwl-3945.h for driver implementation definitions.
+ */
 
 #ifndef __iwl_3945_hw__
 #define __iwl_3945_hw__
@@ -73,9 +78,7 @@
 /* Tx rates */
 #define IWL_CCK_RATES 4
 #define IWL_OFDM_RATES 8
-
 #define IWL_HT_RATES 0
-
 #define IWL_MAX_RATES  (IWL_CCK_RATES+IWL_OFDM_RATES+IWL_HT_RATES)
 
 /* Time constants */
@@ -545,11 +548,6 @@ struct iwl3945_eeprom {
 #define FH_TSSR_CBB_BASE        (FH_TSSR_TABLE+0x000)
 #define FH_TSSR_MSG_CONFIG      (FH_TSSR_TABLE+0x008)
 #define FH_TSSR_TX_STATUS       (FH_TSSR_TABLE+0x010)
-/* 18 - reserved */
-
-/* card static random access memory (SRAM) for processor data and instructs */
-#define RTC_INST_LOWER_BOUND                   (0x000000)
-#define RTC_DATA_LOWER_BOUND                   (0x800000)
 
 
 /* DBM */
@@ -618,7 +616,6 @@ struct iwl3945_eeprom {
 #define TFD_QUEUE_MAX           6
 #define TFD_QUEUE_SIZE_MAX      (256)
 
-/* spectrum and channel data structures */
 #define IWL_NUM_SCAN_RATES         (2)
 
 #define IWL_DEFAULT_TX_RETRY  15
@@ -634,11 +631,6 @@ struct iwl3945_eeprom {
 
 #define U32_PAD(n)             ((4-(n))&0x3)
 
-/*
- * Generic queue structure
- *
- * Contains common data for Rx and Tx queues
- */
 #define TFD_CTL_COUNT_SET(n)       (n<<24)
 #define TFD_CTL_COUNT_GET(ctl)     ((ctl>>24) & 7)
 #define TFD_CTL_PAD_SET(n)         (n<<28)
@@ -656,18 +648,26 @@ struct iwl3945_eeprom {
 #define RX_FREE_BUFFERS 64
 #define RX_LOW_WATERMARK 8
 
-
+/* Size of one Rx buffer in host DRAM */
 #define IWL_RX_BUF_SIZE 3000
-/* card static random access memory (SRAM) for processor data and instructs */
+
+/* Sizes and addresses for instruction and data memory (SRAM) in
+ * 3945's embedded processor.  Driver access is via HBUS_TARG_MEM_* regs. */
+#define RTC_INST_LOWER_BOUND                   (0x000000)
 #define ALM_RTC_INST_UPPER_BOUND               (0x014000)
+
+#define RTC_DATA_LOWER_BOUND                   (0x800000)
 #define ALM_RTC_DATA_UPPER_BOUND               (0x808000)
 
 #define ALM_RTC_INST_SIZE (ALM_RTC_INST_UPPER_BOUND - RTC_INST_LOWER_BOUND)
 #define ALM_RTC_DATA_SIZE (ALM_RTC_DATA_UPPER_BOUND - RTC_DATA_LOWER_BOUND)
 
-#define IWL_MAX_BSM_SIZE ALM_RTC_INST_SIZE
 #define IWL_MAX_INST_SIZE ALM_RTC_INST_SIZE
 #define IWL_MAX_DATA_SIZE ALM_RTC_DATA_SIZE
+
+/* Size of uCode instruction memory in bootstrap state machine */
+#define IWL_MAX_BSM_SIZE ALM_RTC_INST_SIZE
+
 #define IWL_MAX_NUM_QUEUES     8
 
 static inline int iwl3945_hw_valid_rtc_data_addr(u32 addr)
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h 
b/drivers/net/wireless/iwlwifi/iwl-3945.h
index 2f3a8b4..75cef3e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -23,6 +23,11 @@
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *
  *****************************************************************************/
+/*
+ * Please use this file (iwl-3945.h) for driver implementation definitions.
+ * Please use iwl-3945-commands.h for uCode API definitions.
+ * Please use iwl-3945-hw.h for hardware-related definitions.
+ */
 
 #ifndef __iwl_3945_h__
 #define __iwl_3945_h__
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-commands.h 
b/drivers/net/wireless/iwlwifi/iwl-4965-commands.h
index 49582b9..9910939 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-commands.h
@@ -60,6 +60,11 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  *****************************************************************************/
+/*
+ * Please use this file (iwl-4965-commands.h) only for uCode API definitions.
+ * Please use iwl-4965-hw.h for hardware-related definitions.
+ * Please use iwl-4965.h for driver implementation definitions.
+ */
 
 #ifndef __iwl4965_commands_h__
 #define __iwl4965_commands_h__
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h 
b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
index 962aef2..3c09225 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
@@ -60,6 +60,11 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  *****************************************************************************/
+/*
+ * Please use this file (iwl-4965-hw.h) only for hardware-related definitions.
+ * Use iwl-4965-commands.h for uCode API definitions.
+ * Use iwl-4965.h for driver implementation definitions.
+ */
 
 #ifndef __iwl_4965_hw_h__
 #define __iwl_4965_hw_h__
@@ -77,9 +82,7 @@
 /* Tx rates */
 #define IWL_CCK_RATES 4
 #define IWL_OFDM_RATES 8
-
 #define IWL_HT_RATES 16
-
 #define IWL_MAX_RATES  (IWL_CCK_RATES+IWL_OFDM_RATES+IWL_HT_RATES)
 
 /* Time constants */
@@ -449,8 +452,6 @@ struct iwl4965_eeprom {
  */
 #define CSR_HW_REV_WA_REG      (CSR_BASE+0x22C)
 
-#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM     (0x00200000)
-
 /* interrupt flags in INTA, set by uCode or hardware (e.g. dma),
  * acknowledged (reset) by host writing "1" to flagged bits. */
 #define CSR_INT_BIT_FH_RX        (1<<31) /* Rx DMA, cmd responses, 
FH_INT[17:16] */
@@ -592,17 +593,12 @@ struct iwl4965_eeprom {
 #define FH_TSSR_CBB_BASE        (FH_TSSR_TABLE+0x000)
 #define FH_TSSR_MSG_CONFIG      (FH_TSSR_TABLE+0x008)
 #define FH_TSSR_TX_STATUS       (FH_TSSR_TABLE+0x010)
-/* 18 - reserved */
 
-/* card static random access memory (SRAM) for processor data and instructs */
-#define RTC_INST_LOWER_BOUND                   (0x000000)
-#define RTC_DATA_LOWER_BOUND                   (0x800000)
 
 #define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED         (0x00000004)
 
 #define TFD_QUEUE_SIZE_MAX      (256)
 
-/* spectrum and channel data structures */
 #define IWL_NUM_SCAN_RATES         (2)
 
 #define IWL_DEFAULT_TX_RETRY  15
@@ -623,17 +619,26 @@ struct iwl4965_eeprom {
 #define RX_FREE_BUFFERS 64
 #define RX_LOW_WATERMARK 8
 
-
+/* Size of one Rx buffer in host DRAM */
 #define IWL_RX_BUF_SIZE (4 * 1024)
-#define IWL_MAX_BSM_SIZE BSM_SRAM_SIZE
+
+/* Sizes and addresses for instruction and data memory (SRAM) in
+ * 4965's embedded processor.  Driver access is via HBUS_TARG_MEM_* regs. */
+#define RTC_INST_LOWER_BOUND                   (0x000000)
 #define KDR_RTC_INST_UPPER_BOUND               (0x018000)
+
+#define RTC_DATA_LOWER_BOUND                   (0x800000)
 #define KDR_RTC_DATA_UPPER_BOUND               (0x80A000)
+
 #define KDR_RTC_INST_SIZE    (KDR_RTC_INST_UPPER_BOUND - RTC_INST_LOWER_BOUND)
 #define KDR_RTC_DATA_SIZE    (KDR_RTC_DATA_UPPER_BOUND - RTC_DATA_LOWER_BOUND)
 
 #define IWL_MAX_INST_SIZE KDR_RTC_INST_SIZE
 #define IWL_MAX_DATA_SIZE KDR_RTC_DATA_SIZE
 
+/* Size of uCode instruction memory in bootstrap state machine */
+#define IWL_MAX_BSM_SIZE BSM_SRAM_SIZE
+
 static inline int iwl4965_hw_valid_rtc_data_addr(u32 addr)
 {
        return (addr >= RTC_DATA_LOWER_BOUND) &&
@@ -641,13 +646,6 @@ static inline int iwl4965_hw_valid_rtc_data_addr(u32 addr)
 }
 
 /********************* START TXPOWER *****************************************/
-enum {
-       HT_IE_EXT_CHANNEL_NONE = 0,
-       HT_IE_EXT_CHANNEL_ABOVE,
-       HT_IE_EXT_CHANNEL_INVALID,
-       HT_IE_EXT_CHANNEL_BELOW,
-       HT_IE_EXT_CHANNEL_MAX
-};
 
 enum {
        CALIB_CH_GROUP_1 = 0,
@@ -812,6 +810,7 @@ enum {
 #define CSR_HW_IF_CONFIG_REG_MSK_BOARD_VER     (0x00000C00)
 #define CSR_HW_IF_CONFIG_REG_BIT_MAC_SI                (0x00000100)
 #define CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI      (0x00000200)
+#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000)
 
 static inline u8 iwl4965_hw_get_rate(__le32 rate_n_flags)
 {
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h 
b/drivers/net/wireless/iwlwifi/iwl-4965.h
index 9438c63..4a1ec94 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.h
@@ -23,6 +23,12 @@
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *
  *****************************************************************************/
+/*
+ * Please use this file (iwl-4965.h) for driver implementation definitions.
+ * Please use iwl-4965-commands.h for uCode API definitions.
+ * Please use iwl-4965-hw.h for hardware-related definitions.
+ */
+
 #ifndef __iwl_4965_h__
 #define __iwl_4965_h__
 
@@ -192,6 +198,15 @@ struct iwl4965_scan_power_info {
        s8 requested_power;     /* scan pwr (dBm) requested for chnl/rate */
 };
 
+/* For fat_extension_channel */
+enum {
+       HT_IE_EXT_CHANNEL_NONE = 0,
+       HT_IE_EXT_CHANNEL_ABOVE,
+       HT_IE_EXT_CHANNEL_INVALID,
+       HT_IE_EXT_CHANNEL_BELOW,
+       HT_IE_EXT_CHANNEL_MAX
+};
+
 /*
  * One for each channel, holds all channel setup data
  * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
@@ -202,14 +217,14 @@ struct iwl4965_scan_power_info {
 struct iwl4965_channel_info {
        struct iwl4965_channel_tgd_info tgd;
        struct iwl4965_channel_tgh_info tgh;
-       struct iwl4965_eeprom_channel eeprom;   /* EEPROM regulatory limit */
-       struct iwl4965_eeprom_channel fat_eeprom;       /* EEPROM regulatory 
limit for
-                                                * FAT channel */
+       struct iwl4965_eeprom_channel eeprom;     /* EEPROM regulatory limit */
+       struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
+                                                  * FAT channel */
 
        u8 channel;       /* channel number */
        u8 flags;         /* flags copied from EEPROM */
        s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
-       s8 curr_txpow;    /* (dBm) regulatory/spectrum/user (not h/w) */
+       s8 curr_txpow;    /* (dBm) regulatory/spectrum/user (not h/w) limit */
        s8 min_power;     /* always 0 */
        s8 scan_power;    /* (dBm) regul. eeprom, direct scans, any rate */
 
@@ -228,7 +243,7 @@ struct iwl4965_channel_info {
        s8 fat_min_power;       /* always 0 */
        s8 fat_scan_power;      /* (dBm) eeprom, direct scans, any rate */
        u8 fat_flags;           /* flags copied from EEPROM */
-       u8 fat_extension_channel;
+       u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
 
        /* Radio/DSP gain settings for each scan rate, for directed scans. */
        struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
-
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