diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945-hw.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945-hw.h | 66 |
1 files changed, 46 insertions, 20 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h index 2c9f884be03..97bffb1a029 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h @@ -64,10 +64,11 @@ #ifndef __iwl_3945_hw__ #define __iwl_3945_hw__ -/* uCode queue management definitions */ +/* + * uCode queue management definitions ... + * Queue #4 is the command queue for 3945 and 4965. + */ #define IWL_CMD_QUEUE_NUM 4 -#define IWL_CMD_FIFO_NUM 4 -#define IWL_BACK_QUEUE_FIRST_ID 7 /* Tx rates */ #define IWL_CCK_RATES 4 @@ -314,7 +315,6 @@ struct iwl3945_eeprom { u8 reserved9[194]; - /* * 3945 Txpower calibration data. */ @@ -355,7 +355,18 @@ struct iwl3945_eeprom { #define CSR_GPIO_IN (CSR_BASE+0x018) /* read external chip pins */ #define CSR_RESET (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/ #define CSR_GP_CNTRL (CSR_BASE+0x024) + +/* + * Hardware revision info + * Bit fields: + * 31-8: Reserved + * 7-4: Type of device: 0x0 = 4965, 0xd = 3945 + * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D + * 1-0: "Dash" value, as in A-1, etc. + */ #define CSR_HW_REV (CSR_BASE+0x028) + +/* EEPROM reads */ #define CSR_EEPROM_REG (CSR_BASE+0x02c) #define CSR_EEPROM_GP (CSR_BASE+0x030) #define CSR_GP_UCODE (CSR_BASE+0x044) @@ -363,13 +374,13 @@ struct iwl3945_eeprom { #define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) #define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) #define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) -#define CSR_LED_REG (CSR_BASE+0x094) -#define CSR_DRAM_INT_TBL_CTL (CSR_BASE+0x0A0) #define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) + +/* Analog phase-lock-loop configuration (3945 only) + * Set bit 24. */ #define CSR_ANA_PLL_CFG (CSR_BASE+0x20c) -#define CSR_HW_REV_WA_REG (CSR_BASE+0x22C) -/* HW I/F configuration */ +/* Bits for CSR_HW_IF_CONFIG_REG */ #define CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MB (0x00000100) #define CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MM (0x00000200) #define CSR_HW_IF_CONFIG_REG_BIT_SKU_MRC (0x00000400) @@ -468,31 +479,46 @@ struct iwl3945_eeprom { /* CSR_ANA_PLL_CFG */ #define CSR_ANA_PLL_CFG_SH (0x00880300) -#define CSR_LED_REG_TRUN_ON (0x00000078) -#define CSR_LED_REG_TRUN_OFF (0x00000038) -#define CSR_LED_BSM_CTRL_MSK (0xFFFFFFDF) - -/* DRAM_INT_TBL_CTRL */ -#define CSR_DRAM_INT_TBL_CTRL_EN (1<<31) -#define CSR_DRAM_INT_TBL_CTRL_WRAP_CHK (1<<27) - /*=== HBUS (Host-side Bus) ===*/ #define HBUS_BASE (0x400) +/* + * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM + * structures, error log, event log, verifying uCode load). + * First write to address register, then read from or write to data register + * to complete the job. Once the address register is set up, accesses to + * data registers auto-increment the address by one dword. + * Bit usage for address registers (read or write): + * 0-31: memory address within device + */ #define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) #define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) #define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) #define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) + +/* + * Registers for accessing device's internal peripheral registers + * (e.g. SCD, BSM, etc.). First write to address register, + * then read from or write to data register to complete the job. + * Bit usage for address registers (read or write): + * 0-15: register address (offset) within device + * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) + */ #define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) #define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) #define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) #define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) -#define HBUS_TARG_WRPTR (HBUS_BASE+0x060) - -#define HBUS_TARG_MBX_C (HBUS_BASE+0x030) +/* + * Per-Tx-queue write pointer (index, really!) (3945 and 4965). + * Indicates index to next TFD that driver will fill (1 past latest filled). + * Bit usage: + * 0-7: queue write index + * 11-8: queue selector + */ +#define HBUS_TARG_WRPTR (HBUS_BASE+0x060) -/* SCD (Scheduler) */ +/* SCD (3945 Tx Frame Scheduler) */ #define SCD_BASE (CSR_BASE + 0x2E00) #define SCD_MODE_REG (SCD_BASE + 0x000) |