| /* |
| * |
| * Copyright (C) 2002 Intersil Americas Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #ifndef _ISL_38XX_H |
| #define _ISL_38XX_H |
| |
| #include <asm/io.h> |
| #include <asm/byteorder.h> |
| |
| #define ISL38XX_CB_RX_QSIZE 8 |
| #define ISL38XX_CB_TX_QSIZE 32 |
| |
| /* ISL38XX Access Point Specific definitions */ |
| #define ISL38XX_MAX_WDS_LINKS 8 |
| |
| /* ISL38xx Client Specific definitions */ |
| #define ISL38XX_PSM_ACTIVE_STATE 0 |
| #define ISL38XX_PSM_POWERSAVE_STATE 1 |
| |
| /* ISL38XX Host Interface Definitions */ |
| #define ISL38XX_PCI_MEM_SIZE 0x02000 |
| #define ISL38XX_MEMORY_WINDOW_SIZE 0x01000 |
| #define ISL38XX_DEV_FIRMWARE_ADDRES 0x20000 |
| #define ISL38XX_WRITEIO_DELAY 10 /* in us */ |
| #define ISL38XX_RESET_DELAY 50 /* in ms */ |
| #define ISL38XX_WAIT_CYCLE 10 /* in 10ms */ |
| #define ISL38XX_MAX_WAIT_CYCLES 10 |
| |
| /* PCI Memory Area */ |
| #define ISL38XX_HARDWARE_REG 0x0000 |
| #define ISL38XX_CARDBUS_CIS 0x0800 |
| #define ISL38XX_DIRECT_MEM_WIN 0x1000 |
| |
| /* Hardware registers */ |
| #define ISL38XX_DEV_INT_REG 0x0000 |
| #define ISL38XX_INT_IDENT_REG 0x0010 |
| #define ISL38XX_INT_ACK_REG 0x0014 |
| #define ISL38XX_INT_EN_REG 0x0018 |
| #define ISL38XX_GEN_PURP_COM_REG_1 0x0020 |
| #define ISL38XX_GEN_PURP_COM_REG_2 0x0024 |
| #define ISL38XX_CTRL_BLK_BASE_REG ISL38XX_GEN_PURP_COM_REG_1 |
| #define ISL38XX_DIR_MEM_BASE_REG 0x0030 |
| #define ISL38XX_CTRL_STAT_REG 0x0078 |
| |
| /* High end mobos queue up pci writes, the following |
| * is used to "read" from after a write to force flush */ |
| #define ISL38XX_PCI_POSTING_FLUSH ISL38XX_INT_EN_REG |
| |
| /** |
| * isl38xx_w32_flush - PCI iomem write helper |
| * @base: (host) memory base address of the device |
| * @val: 32bit value (host order) to write |
| * @offset: byte offset into @base to write value to |
| * |
| * This helper takes care of writing a 32bit datum to the |
| * specified offset into the device's pci memory space, and making sure |
| * the pci memory buffers get flushed by performing one harmless read |
| * from the %ISL38XX_PCI_POSTING_FLUSH offset. |
| */ |
| static inline void |
| isl38xx_w32_flush(void __iomem *base, u32 val, unsigned long offset) |
| { |
| writel(val, base + offset); |
| (void) readl(base + ISL38XX_PCI_POSTING_FLUSH); |
| } |
| |
| /* Device Interrupt register bits */ |
| #define ISL38XX_DEV_INT_RESET 0x0001 |
| #define ISL38XX_DEV_INT_UPDATE 0x0002 |
| #define ISL38XX_DEV_INT_WAKEUP 0x0008 |
| #define ISL38XX_DEV_INT_SLEEP 0x0010 |
| |
| /* Interrupt Identification/Acknowledge/Enable register bits */ |
| #define ISL38XX_INT_IDENT_UPDATE 0x0002 |
| #define ISL38XX_INT_IDENT_INIT 0x0004 |
| #define ISL38XX_INT_IDENT_WAKEUP 0x0008 |
| #define ISL38XX_INT_IDENT_SLEEP 0x0010 |
| #define ISL38XX_INT_SOURCES 0x001E |
| |
| /* Control/Status register bits */ |
| /* Looks like there are other meaningful bits |
| 0x20004400 seen in normal operation, |
| 0x200044db at 'timeout waiting for mgmt response' |
| */ |
| #define ISL38XX_CTRL_STAT_SLEEPMODE 0x00000200 |
| #define ISL38XX_CTRL_STAT_CLKRUN 0x00800000 |
| #define ISL38XX_CTRL_STAT_RESET 0x10000000 |
| #define ISL38XX_CTRL_STAT_RAMBOOT 0x20000000 |
| #define ISL38XX_CTRL_STAT_STARTHALTED 0x40000000 |
| #define ISL38XX_CTRL_STAT_HOST_OVERRIDE 0x80000000 |
| |
| /* Control Block definitions */ |
| #define ISL38XX_CB_RX_DATA_LQ 0 |
| #define ISL38XX_CB_TX_DATA_LQ 1 |
| #define ISL38XX_CB_RX_DATA_HQ 2 |
| #define ISL38XX_CB_TX_DATA_HQ 3 |
| #define ISL38XX_CB_RX_MGMTQ 4 |
| #define ISL38XX_CB_TX_MGMTQ 5 |
| #define ISL38XX_CB_QCOUNT 6 |
| #define ISL38XX_CB_MGMT_QSIZE 4 |
| #define ISL38XX_MIN_QTHRESHOLD 4 /* fragments */ |
| |
| /* Memory Manager definitions */ |
| #define MGMT_FRAME_SIZE 1500 /* >= size struct obj_bsslist */ |
| #define MGMT_TX_FRAME_COUNT 24 /* max 4 + spare 4 + 8 init */ |
| #define MGMT_RX_FRAME_COUNT 24 /* 4*4 + spare 8 */ |
| #define MGMT_FRAME_COUNT (MGMT_TX_FRAME_COUNT + MGMT_RX_FRAME_COUNT) |
| #define CONTROL_BLOCK_SIZE 1024 /* should be enough */ |
| #define PSM_FRAME_SIZE 1536 |
| #define PSM_MINIMAL_STATION_COUNT 64 |
| #define PSM_FRAME_COUNT PSM_MINIMAL_STATION_COUNT |
| #define PSM_BUFFER_SIZE PSM_FRAME_SIZE * PSM_FRAME_COUNT |
| #define MAX_TRAP_RX_QUEUE 4 |
| #define HOST_MEM_BLOCK CONTROL_BLOCK_SIZE + PSM_BUFFER_SIZE |
| |
| /* Fragment package definitions */ |
| #define FRAGMENT_FLAG_MF 0x0001 |
| #define MAX_FRAGMENT_SIZE 1536 |
| |
| /* In monitor mode frames have a header. I don't know exactly how big those |
| * frame can be but I've never seen any frame bigger than 1584... : |
| */ |
| #define MAX_FRAGMENT_SIZE_RX 1600 |
| |
| typedef struct { |
| u32 address; /* physical address on host */ |
| u16 size; /* packet size */ |
| u16 flags; /* set of bit-wise flags */ |
| } isl38xx_fragment; |
| |
| struct isl38xx_cb { |
| u32 driver_curr_frag[ISL38XX_CB_QCOUNT]; |
| u32 device_curr_frag[ISL38XX_CB_QCOUNT]; |
| isl38xx_fragment rx_data_low[ISL38XX_CB_RX_QSIZE]; |
| isl38xx_fragment tx_data_low[ISL38XX_CB_TX_QSIZE]; |
| isl38xx_fragment rx_data_high[ISL38XX_CB_RX_QSIZE]; |
| isl38xx_fragment tx_data_high[ISL38XX_CB_TX_QSIZE]; |
| isl38xx_fragment rx_data_mgmt[ISL38XX_CB_MGMT_QSIZE]; |
| isl38xx_fragment tx_data_mgmt[ISL38XX_CB_MGMT_QSIZE]; |
| }; |
| |
| typedef struct isl38xx_cb isl38xx_control_block; |
| |
| /* determine number of entries currently in queue */ |
| int isl38xx_in_queue(isl38xx_control_block *cb, int queue); |
| |
| void isl38xx_disable_interrupts(void __iomem *); |
| void isl38xx_enable_common_interrupts(void __iomem *); |
| |
| void isl38xx_handle_sleep_request(isl38xx_control_block *, int *, |
| void __iomem *); |
| void isl38xx_handle_wakeup(isl38xx_control_block *, int *, void __iomem *); |
| void isl38xx_trigger_device(int, void __iomem *); |
| void isl38xx_interface_reset(void __iomem *, dma_addr_t); |
| |
| #endif /* _ISL_38XX_H */ |
