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Diffstat (limited to 'drivers/staging/rtl8192e/r8180_93cx6.c')
-rw-r--r--drivers/staging/rtl8192e/r8180_93cx6.c141
1 files changed, 0 insertions, 141 deletions
diff --git a/drivers/staging/rtl8192e/r8180_93cx6.c b/drivers/staging/rtl8192e/r8180_93cx6.c
deleted file mode 100644
index 55d4f56..0000000
--- a/drivers/staging/rtl8192e/r8180_93cx6.c
+++ /dev/null
@@ -1,141 +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"
-
-static void eprom_cs(struct r8192_priv *priv, short bit)
-{
- if (bit)
- write_nic_byte(priv, EPROM_CMD,
- (1<<EPROM_CS_SHIFT) |
- read_nic_byte(priv, EPROM_CMD)); //enable EPROM
- else
- write_nic_byte(priv, EPROM_CMD, read_nic_byte(priv, EPROM_CMD)
- &~(1<<EPROM_CS_SHIFT)); //disable EPROM
-
- udelay(EPROM_DELAY);
-}
-
-
-static void eprom_ck_cycle(struct r8192_priv *priv)
-{
- write_nic_byte(priv, EPROM_CMD,
- (1<<EPROM_CK_SHIFT) | read_nic_byte(priv, EPROM_CMD));
- udelay(EPROM_DELAY);
- write_nic_byte(priv, EPROM_CMD,
- read_nic_byte(priv, EPROM_CMD) & ~(1<<EPROM_CK_SHIFT));
- udelay(EPROM_DELAY);
-}
-
-
-static void eprom_w(struct r8192_priv *priv, short bit)
-{
- if (bit)
- write_nic_byte(priv, EPROM_CMD, (1<<EPROM_W_SHIFT) |
- read_nic_byte(priv, EPROM_CMD));
- else
- write_nic_byte(priv, EPROM_CMD, read_nic_byte(priv, EPROM_CMD)
- &~(1<<EPROM_W_SHIFT));
-
- udelay(EPROM_DELAY);
-}
-
-
-static short eprom_r(struct r8192_priv *priv)
-{
- short bit;
-
- bit = (read_nic_byte(priv, EPROM_CMD) & (1<<EPROM_R_SHIFT));
- udelay(EPROM_DELAY);
-
- if (bit)
- return 1;
- return 0;
-}
-
-
-static void eprom_send_bits_string(struct r8192_priv *priv, short b[], int len)
-{
- int i;
-
- for (i = 0; i < len; i++) {
- eprom_w(priv, b[i]);
- eprom_ck_cycle(priv);
- }
-}
-
-
-u32 eprom_read(struct r8192_priv *priv, u32 addr)
-{
- 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(priv, EPROM_CMD,
- (EPROM_CMD_PROGRAM<<EPROM_CMD_OPERATING_MODE_SHIFT));
- 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(priv, 1);
- eprom_ck_cycle(priv);
- eprom_send_bits_string(priv, read_cmd, 3);
- eprom_send_bits_string(priv, 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(priv, 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(priv);
- ret |= (eprom_r(priv)<<(15-i));
- }
-
- eprom_cs(priv, 0);
- eprom_ck_cycle(priv);
-
- //disable EPROM programming
- write_nic_byte(priv, EPROM_CMD,
- (EPROM_CMD_NORMAL<<EPROM_CMD_OPERATING_MODE_SHIFT));
- return ret;
-}
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