mirror of
https://github.com/torvalds/linux.git
synced 2024-12-22 19:01:37 +00:00
0569056e0d
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
172 lines
6.9 KiB
C
172 lines
6.9 KiB
C
/*
|
|
* 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 {
|
|
__le32 address; /* physical address on host */
|
|
__le16 size; /* packet size */
|
|
__le16 flags; /* set of bit-wise flags */
|
|
} isl38xx_fragment;
|
|
|
|
struct isl38xx_cb {
|
|
__le32 driver_curr_frag[ISL38XX_CB_QCOUNT];
|
|
__le32 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 */
|