X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fprism54%2Fisl_38xx.c;h=02fc67bccbd0bbf46f198df7ea3afe06b5280411;hb=refs%2Fheads%2Fvserver;hp=bbda5cde437857efd9015c7fcf1af88c330f025a;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/drivers/net/wireless/prism54/isl_38xx.c b/drivers/net/wireless/prism54/isl_38xx.c index bbda5cde4..02fc67bcc 100644 --- a/drivers/net/wireless/prism54/isl_38xx.c +++ b/drivers/net/wireless/prism54/isl_38xx.c @@ -1,5 +1,4 @@ -/* $Header: /var/lib/cvs/prism54-ng/ksrc/isl_38xx.c,v 1.22 2004/02/28 03:06:07 mcgrof Exp $ - * +/* * Copyright (C) 2002 Intersil Americas Inc. * Copyright (C) 2003-2004 Luis R. Rodriguez _ * @@ -18,24 +17,15 @@ * */ -#define __KERNEL_SYSCALLS__ - -#include #include #include #include -#include "isl_38xx.h" -#include - #include #include -#include -#if !defined(CONFIG_FW_LOADER) && !defined(CONFIG_FW_LOADER_MODULE) -#error No Firmware Loading configured in the kernel ! -#endif - +#include "prismcompat.h" +#include "isl_38xx.h" #include "islpci_dev.h" #include "islpci_mgt.h" @@ -47,12 +37,12 @@ * isl38xx_disable_interrupts - disable all interrupts * @device: pci memory base address * - * Instructs the device to disable all interrupt reporting by asserting + * Instructs the device to disable all interrupt reporting by asserting * the IRQ line. New events may still show up in the interrupt identification * register located at offset %ISL38XX_INT_IDENT_REG. */ void -isl38xx_disable_interrupts(void *device) +isl38xx_disable_interrupts(void __iomem *device) { isl38xx_w32_flush(device, 0x00000000, ISL38XX_INT_EN_REG); udelay(ISL38XX_WRITEIO_DELAY); @@ -60,7 +50,7 @@ isl38xx_disable_interrupts(void *device) void isl38xx_handle_sleep_request(isl38xx_control_block *control_block, - int *powerstate, void *device_base) + int *powerstate, void __iomem *device_base) { /* device requests to go into sleep mode * check whether the transmit queues for data and management are empty */ @@ -96,7 +86,7 @@ isl38xx_handle_sleep_request(isl38xx_control_block *control_block, void isl38xx_handle_wakeup(isl38xx_control_block *control_block, - int *powerstate, void *device_base) + int *powerstate, void __iomem *device_base) { /* device is in active state, update the powerstate flag */ *powerstate = ISL38XX_PSM_ACTIVE_STATE; @@ -118,12 +108,13 @@ isl38xx_handle_wakeup(isl38xx_control_block *control_block, } void -isl38xx_trigger_device(int asleep, void *device_base) +isl38xx_trigger_device(int asleep, void __iomem *device_base) { - struct timeval current_time; - u32 reg, counter = 0; + u32 reg; #if VERBOSE > SHOW_ERROR_MESSAGES + u32 counter = 0; + struct timeval current_time; DEBUG(SHOW_FUNCTION_CALLS, "isl38xx trigger device\n"); #endif @@ -133,56 +124,54 @@ isl38xx_trigger_device(int asleep, void *device_base) #if VERBOSE > SHOW_ERROR_MESSAGES do_gettimeofday(¤t_time); DEBUG(SHOW_TRACING, "%08li.%08li Device wakeup triggered\n", - current_time.tv_sec, current_time.tv_usec); -#endif + current_time.tv_sec, (long)current_time.tv_usec); DEBUG(SHOW_TRACING, "%08li.%08li Device register read %08x\n", - current_time.tv_sec, current_time.tv_usec, + current_time.tv_sec, (long)current_time.tv_usec, readl(device_base + ISL38XX_CTRL_STAT_REG)); - udelay(ISL38XX_WRITEIO_DELAY); +#endif - if (reg = readl(device_base + ISL38XX_INT_IDENT_REG), - reg == 0xabadface) { + reg = readl(device_base + ISL38XX_INT_IDENT_REG); + if (reg == 0xabadface) { #if VERBOSE > SHOW_ERROR_MESSAGES do_gettimeofday(¤t_time); DEBUG(SHOW_TRACING, "%08li.%08li Device register abadface\n", - current_time.tv_sec, current_time.tv_usec); + current_time.tv_sec, (long)current_time.tv_usec); #endif /* read the Device Status Register until Sleepmode bit is set */ while (reg = readl(device_base + ISL38XX_CTRL_STAT_REG), (reg & ISL38XX_CTRL_STAT_SLEEPMODE) == 0) { udelay(ISL38XX_WRITEIO_DELAY); +#if VERBOSE > SHOW_ERROR_MESSAGES counter++; +#endif } +#if VERBOSE > SHOW_ERROR_MESSAGES DEBUG(SHOW_TRACING, "%08li.%08li Device register read %08x\n", - current_time.tv_sec, current_time.tv_usec, + current_time.tv_sec, (long)current_time.tv_usec, readl(device_base + ISL38XX_CTRL_STAT_REG)); - udelay(ISL38XX_WRITEIO_DELAY); - -#if VERBOSE > SHOW_ERROR_MESSAGES do_gettimeofday(¤t_time); DEBUG(SHOW_TRACING, "%08li.%08li Device asleep counter %i\n", - current_time.tv_sec, current_time.tv_usec, + current_time.tv_sec, (long)current_time.tv_usec, counter); #endif } /* assert the Wakeup interrupt in the Device Interrupt Register */ isl38xx_w32_flush(device_base, ISL38XX_DEV_INT_WAKEUP, ISL38XX_DEV_INT_REG); + +#if VERBOSE > SHOW_ERROR_MESSAGES udelay(ISL38XX_WRITEIO_DELAY); /* perform another read on the Device Status Register */ reg = readl(device_base + ISL38XX_CTRL_STAT_REG); - udelay(ISL38XX_WRITEIO_DELAY); - -#if VERBOSE > SHOW_ERROR_MESSAGES do_gettimeofday(¤t_time); DEBUG(SHOW_TRACING, "%08li.%08li Device register read %08x\n", - current_time.tv_sec, current_time.tv_usec, reg); + current_time.tv_sec, (long)current_time.tv_usec, reg); #endif } else { /* device is (still) awake */ @@ -193,17 +182,14 @@ isl38xx_trigger_device(int asleep, void *device_base) isl38xx_w32_flush(device_base, ISL38XX_DEV_INT_UPDATE, ISL38XX_DEV_INT_REG); - udelay(ISL38XX_WRITEIO_DELAY); } } void -isl38xx_interface_reset(void *device_base, dma_addr_t host_address) +isl38xx_interface_reset(void __iomem *device_base, dma_addr_t host_address) { - u32 reg; - #if VERBOSE > SHOW_ERROR_MESSAGES - DEBUG(SHOW_FUNCTION_CALLS, "isl38xx_interface_reset \n"); + DEBUG(SHOW_FUNCTION_CALLS, "isl38xx_interface_reset\n"); #endif /* load the address of the control block in the device */ @@ -211,152 +197,27 @@ isl38xx_interface_reset(void *device_base, dma_addr_t host_address) udelay(ISL38XX_WRITEIO_DELAY); /* set the reset bit in the Device Interrupt Register */ - isl38xx_w32_flush(device_base, ISL38XX_DEV_INT_RESET, - ISL38XX_DEV_INT_REG); + isl38xx_w32_flush(device_base, ISL38XX_DEV_INT_RESET, ISL38XX_DEV_INT_REG); udelay(ISL38XX_WRITEIO_DELAY); /* enable the interrupt for detecting initialization */ /* Note: Do not enable other interrupts here. We want the - * device to have come up first 100% before allowing any other + * device to have come up first 100% before allowing any other * interrupts. */ - reg = ISL38XX_INT_IDENT_INIT; - - isl38xx_w32_flush(device_base, reg, ISL38XX_INT_EN_REG); + isl38xx_w32_flush(device_base, ISL38XX_INT_IDENT_INIT, ISL38XX_INT_EN_REG); udelay(ISL38XX_WRITEIO_DELAY); /* allow complete full reset */ } void -isl38xx_enable_common_interrupts(void *device_base) { - u32 reg; - reg = ( ISL38XX_INT_IDENT_UPDATE | - ISL38XX_INT_IDENT_SLEEP | ISL38XX_INT_IDENT_WAKEUP); - isl38xx_w32_flush(device_base, reg, ISL38XX_INT_EN_REG); - udelay(ISL38XX_WRITEIO_DELAY); -} - -int -isl38xx_upload_firmware(char *fw_id, _REQ_FW_DEV_T dev, void *device_base, - dma_addr_t host_address) +isl38xx_enable_common_interrupts(void __iomem *device_base) { - u32 reg, rc; - -#if VERBOSE > SHOW_ERROR_MESSAGES - DEBUG(SHOW_ERROR_MESSAGES, "isl38xx_upload_firmware(0x%lx, 0x%lx)\n", - (long) device_base, (long) host_address); -#endif - - /* clear the RAMBoot and the Reset bit */ - reg = readl(device_base + ISL38XX_CTRL_STAT_REG); - reg &= ~ISL38XX_CTRL_STAT_RESET; - reg &= ~ISL38XX_CTRL_STAT_RAMBOOT; - writel(reg, device_base + ISL38XX_CTRL_STAT_REG); - wmb(); - udelay(ISL38XX_WRITEIO_DELAY); - - /* set the Reset bit without reading the register ! */ - reg |= ISL38XX_CTRL_STAT_RESET; - writel(reg, device_base + ISL38XX_CTRL_STAT_REG); - wmb(); - udelay(ISL38XX_WRITEIO_DELAY); - - /* clear the Reset bit */ - reg &= ~ISL38XX_CTRL_STAT_RESET; - writel(reg, device_base + ISL38XX_CTRL_STAT_REG); - wmb(); - - /* wait a while for the device to reboot */ - mdelay(50); - - { - const struct firmware *fw_entry = 0; - long fw_len; - const u32 *fw_ptr; - - rc = request_firmware(&fw_entry, fw_id, dev); - if (rc) { - printk(KERN_ERR - "%s: request_firmware() failed for '%s'\n", - "prism54", fw_id); - return rc; - } - /* prepare the Direct Memory Base register */ - reg = ISL38XX_DEV_FIRMWARE_ADDRES; - - fw_ptr = (u32 *) fw_entry->data; - fw_len = fw_entry->size; - - if (fw_len % 4) { - printk(KERN_ERR - "%s: firmware '%s' size is not multiple of 32bit, aborting!\n", - "prism54", fw_id); - release_firmware(fw_entry); - return EILSEQ; /* Illegal byte sequence */; - } - - while (fw_len > 0) { - long _fw_len = - (fw_len > - ISL38XX_MEMORY_WINDOW_SIZE) ? - ISL38XX_MEMORY_WINDOW_SIZE : fw_len; - u32 *dev_fw_ptr = device_base + ISL38XX_DIRECT_MEM_WIN; - - /* set the cards base address for writting the data */ - isl38xx_w32_flush(device_base, reg, - ISL38XX_DIR_MEM_BASE_REG); - wmb(); /* be paranoid */ - - /* increment the write address for next iteration */ - reg += _fw_len; - fw_len -= _fw_len; - - /* write the data to the Direct Memory Window 32bit-wise */ - /* memcpy_toio() doesn't guarantee 32bit writes :-| */ - while (_fw_len > 0) { - /* use non-swapping writel() */ - __raw_writel(*fw_ptr, dev_fw_ptr); - fw_ptr++, dev_fw_ptr++; - _fw_len -= 4; - } - - /* flush PCI posting */ - (void) readl(device_base + ISL38XX_PCI_POSTING_FLUSH); - wmb(); /* be paranoid again */ - - BUG_ON(_fw_len != 0); - } - - BUG_ON(fw_len != 0); - - release_firmware(fw_entry); - } - - /* now reset the device - * clear the Reset & ClkRun bit, set the RAMBoot bit */ - reg = readl(device_base + ISL38XX_CTRL_STAT_REG); - reg &= ~ISL38XX_CTRL_STAT_CLKRUN; - reg &= ~ISL38XX_CTRL_STAT_RESET; - reg |= ISL38XX_CTRL_STAT_RAMBOOT; - isl38xx_w32_flush(device_base, reg, ISL38XX_CTRL_STAT_REG); - wmb(); - udelay(ISL38XX_WRITEIO_DELAY); - - /* set the reset bit latches the host override and RAMBoot bits - * into the device for operation when the reset bit is reset */ - reg |= ISL38XX_CTRL_STAT_RESET; - writel(reg, device_base + ISL38XX_CTRL_STAT_REG); - /* don't do flush PCI posting here! */ - wmb(); - udelay(ISL38XX_WRITEIO_DELAY); + u32 reg; - /* clear the reset bit should start the whole circus */ - reg &= ~ISL38XX_CTRL_STAT_RESET; - writel(reg, device_base + ISL38XX_CTRL_STAT_REG); - /* don't do flush PCI posting here! */ - wmb(); + reg = ISL38XX_INT_IDENT_UPDATE | ISL38XX_INT_IDENT_SLEEP | + ISL38XX_INT_IDENT_WAKEUP; + isl38xx_w32_flush(device_base, reg, ISL38XX_INT_EN_REG); udelay(ISL38XX_WRITEIO_DELAY); - - return 0; } int @@ -374,23 +235,21 @@ isl38xx_in_queue(isl38xx_control_block *cb, int queue) /* send queues */ case ISL38XX_CB_TX_MGMTQ: BUG_ON(delta > ISL38XX_CB_MGMT_QSIZE); + case ISL38XX_CB_TX_DATA_LQ: case ISL38XX_CB_TX_DATA_HQ: BUG_ON(delta > ISL38XX_CB_TX_QSIZE); return delta; - break; /* receive queues */ case ISL38XX_CB_RX_MGMTQ: BUG_ON(delta > ISL38XX_CB_MGMT_QSIZE); return ISL38XX_CB_MGMT_QSIZE - delta; - break; case ISL38XX_CB_RX_DATA_LQ: case ISL38XX_CB_RX_DATA_HQ: BUG_ON(delta > ISL38XX_CB_RX_QSIZE); return ISL38XX_CB_RX_QSIZE - delta; - break; } BUG(); return 0;