diff options
Diffstat (limited to 'drivers/staging/rtl8187se/r8180_93cx6.c')
-rw-r--r-- | drivers/staging/rtl8187se/r8180_93cx6.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/drivers/staging/rtl8187se/r8180_93cx6.c b/drivers/staging/rtl8187se/r8180_93cx6.c deleted file mode 100644 index 7e4711f..0000000 --- a/drivers/staging/rtl8187se/r8180_93cx6.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - This files contains card eeprom (93c46 or 93c56) programming routines, - memory is addressed by 16 bits words. - - This is part of rtl8180 OpenSource driver. - Copyright (C) Andrea Merello 2004 <andreamrl@tiscali.it> - Released under the terms of GPL (General Public Licence) - - Parts of this driver are based on the GPL part of the - official realtek driver. - - Parts of this driver are based on the rtl8180 driver skeleton - from Patric Schenke & Andres Salomon. - - Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver. - - We want to tanks the Authors of those projects and the Ndiswrapper - project Authors. -*/ - -#include "r8180_93cx6.h" - -void eprom_cs(struct net_device *dev, short bit) -{ - if(bit) - write_nic_byte(dev, EPROM_CMD, - (1<<EPROM_CS_SHIFT) | \ - read_nic_byte(dev, EPROM_CMD)); //enable EPROM - else - write_nic_byte(dev, EPROM_CMD, read_nic_byte(dev, EPROM_CMD)\ - &~(1<<EPROM_CS_SHIFT)); //disable EPROM - - force_pci_posting(dev); - udelay(EPROM_DELAY); -} - - -void eprom_ck_cycle(struct net_device *dev) -{ - write_nic_byte(dev, EPROM_CMD, - (1<<EPROM_CK_SHIFT) | read_nic_byte(dev,EPROM_CMD)); - force_pci_posting(dev); - udelay(EPROM_DELAY); - write_nic_byte(dev, EPROM_CMD, - read_nic_byte(dev, EPROM_CMD) &~ (1<<EPROM_CK_SHIFT)); - force_pci_posting(dev); - udelay(EPROM_DELAY); -} - - -void eprom_w(struct net_device *dev,short bit) -{ - if(bit) - write_nic_byte(dev, EPROM_CMD, (1<<EPROM_W_SHIFT) | \ - read_nic_byte(dev,EPROM_CMD)); - else - write_nic_byte(dev, EPROM_CMD, read_nic_byte(dev,EPROM_CMD)\ - &~(1<<EPROM_W_SHIFT)); - - force_pci_posting(dev); - udelay(EPROM_DELAY); -} - - -short eprom_r(struct net_device *dev) -{ - short bit; - - bit=(read_nic_byte(dev, EPROM_CMD) & (1<<EPROM_R_SHIFT) ); - udelay(EPROM_DELAY); - - if(bit) return 1; - return 0; -} - - -void eprom_send_bits_string(struct net_device *dev, short b[], int len) -{ - int i; - - for(i=0; i<len; i++){ - eprom_w(dev, b[i]); - eprom_ck_cycle(dev); - } -} - - -u32 eprom_read(struct net_device *dev, u32 addr) -{ - struct r8180_priv *priv = ieee80211_priv(dev); - short read_cmd[]={1,1,0}; - short addr_str[8]; - int i; - int addr_len; - u32 ret; - - ret=0; - //enable EPROM programming - write_nic_byte(dev, EPROM_CMD, - (EPROM_CMD_PROGRAM<<EPROM_CMD_OPERATING_MODE_SHIFT)); - force_pci_posting(dev); - udelay(EPROM_DELAY); - - if (priv->epromtype==EPROM_93c56){ - addr_str[7]=addr & 1; - addr_str[6]=addr & (1<<1); - addr_str[5]=addr & (1<<2); - addr_str[4]=addr & (1<<3); - addr_str[3]=addr & (1<<4); - addr_str[2]=addr & (1<<5); - addr_str[1]=addr & (1<<6); - addr_str[0]=addr & (1<<7); - addr_len=8; - }else{ - addr_str[5]=addr & 1; - addr_str[4]=addr & (1<<1); - addr_str[3]=addr & (1<<2); - addr_str[2]=addr & (1<<3); - addr_str[1]=addr & (1<<4); - addr_str[0]=addr & (1<<5); - addr_len=6; - } - eprom_cs(dev, 1); - eprom_ck_cycle(dev); - eprom_send_bits_string(dev, read_cmd, 3); - eprom_send_bits_string(dev, addr_str, addr_len); - - //keep chip pin D to low state while reading. - //I'm unsure if it is necessary, but anyway shouldn't hurt - eprom_w(dev, 0); - - for(i=0;i<16;i++){ - //eeprom needs a clk cycle between writing opcode&adr - //and reading data. (eeprom outs a dummy 0) - eprom_ck_cycle(dev); - ret |= (eprom_r(dev)<<(15-i)); - } - - eprom_cs(dev, 0); - eprom_ck_cycle(dev); - - //disable EPROM programming - write_nic_byte(dev, EPROM_CMD, - (EPROM_CMD_NORMAL<<EPROM_CMD_OPERATING_MODE_SHIFT)); - return ret; -} |