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提交 dec63ec3 编写于 作者: D Dmitry Torokhov 提交者： Linus Torvalds
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[PATCH] I8K: pass through lindent 

I8K: pass through Lindent to change 4 spaces identation to TABs
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 3f5f7e2e
隐藏空白更改
内联 并排
Showing with 475 addition and 475 deletion
drivers/char/i8k.c
浏览文件 @ dec63ec3
...@@ -55,14 +55,14 @@ ...@@ -55,14 +55,14 @@
#define DELL_SIGNATURE "Dell Computer" #define DELL_SIGNATURE "Dell Computer"
static char *supported_models[] = { static char *supported_models[] = {
"Inspiron", "Inspiron",
"Latitude", "Latitude",
NULL NULL
}; };
static char system_vendor[48] = "?"; static char system_vendor[48] = "?";
static char product_name [48] = "?"; static char product_name[48] = "?";
static char bios_version [4] = "?"; static char bios_version[4] = "?";
static char serial_number[16] = "?"; static char serial_number[16] = "?";
MODULE_AUTHOR("Massimo Dal Zotto (dz@debian.org)"); MODULE_AUTHOR("Massimo Dal Zotto (dz@debian.org)");
...@@ -86,64 +86,63 @@ static int i8k_ioctl(struct inode *, struct file *, unsigned int, ...@@ -86,64 +86,63 @@ static int i8k_ioctl(struct inode *, struct file *, unsigned int,
unsigned long); unsigned long);
static struct file_operations i8k_fops = { static struct file_operations i8k_fops = {
.read = i8k_read, .read = i8k_read,
.ioctl = i8k_ioctl, .ioctl = i8k_ioctl,
}; };
typedef struct { typedef struct {
unsigned int eax; unsigned int eax;
unsigned int ebx __attribute__ ((packed)); unsigned int ebx __attribute__ ((packed));
unsigned int ecx __attribute__ ((packed)); unsigned int ecx __attribute__ ((packed));
unsigned int edx __attribute__ ((packed)); unsigned int edx __attribute__ ((packed));
unsigned int esi __attribute__ ((packed)); unsigned int esi __attribute__ ((packed));
unsigned int edi __attribute__ ((packed)); unsigned int edi __attribute__ ((packed));
} SMMRegisters; } SMMRegisters;
typedef struct { typedef struct {
u8 type; u8 type;
u8 length; u8 length;
u16 handle; u16 handle;
} DMIHeader; } DMIHeader;
/* /*
* Call the System Management Mode BIOS. Code provided by Jonathan Buzzard. * Call the System Management Mode BIOS. Code provided by Jonathan Buzzard.
*/ */
static int i8k_smm(SMMRegisters *regs) static int i8k_smm(SMMRegisters * regs)
{ {
int rc; int rc;
int eax = regs->eax; int eax = regs->eax;
asm("pushl %%eax\n\t" \ asm("pushl %%eax\n\t"
"movl 0(%%eax),%%edx\n\t" \ "movl 0(%%eax),%%edx\n\t"
"push %%edx\n\t" \ "push %%edx\n\t"
"movl 4(%%eax),%%ebx\n\t" \ "movl 4(%%eax),%%ebx\n\t"
"movl 8(%%eax),%%ecx\n\t" \ "movl 8(%%eax),%%ecx\n\t"
"movl 12(%%eax),%%edx\n\t" \ "movl 12(%%eax),%%edx\n\t"
"movl 16(%%eax),%%esi\n\t" \ "movl 16(%%eax),%%esi\n\t"
"movl 20(%%eax),%%edi\n\t" \ "movl 20(%%eax),%%edi\n\t"
"popl %%eax\n\t" \ "popl %%eax\n\t"
"out %%al,$0xb2\n\t" \ "out %%al,$0xb2\n\t"
"out %%al,$0x84\n\t" \ "out %%al,$0x84\n\t"
"xchgl %%eax,(%%esp)\n\t" "xchgl %%eax,(%%esp)\n\t"
"movl %%ebx,4(%%eax)\n\t" \ "movl %%ebx,4(%%eax)\n\t"
"movl %%ecx,8(%%eax)\n\t" \ "movl %%ecx,8(%%eax)\n\t"
"movl %%edx,12(%%eax)\n\t" \ "movl %%edx,12(%%eax)\n\t"
"movl %%esi,16(%%eax)\n\t" \ "movl %%esi,16(%%eax)\n\t"
"movl %%edi,20(%%eax)\n\t" \ "movl %%edi,20(%%eax)\n\t"
"popl %%edx\n\t" \ "popl %%edx\n\t"
"movl %%edx,0(%%eax)\n\t" \ "movl %%edx,0(%%eax)\n\t"
"lahf\n\t" \ "lahf\n\t"
"shrl $8,%%eax\n\t" \ "shrl $8,%%eax\n\t"
"andl $1,%%eax\n" \ "andl $1,%%eax\n":"=a"(rc)
: "=a" (rc) : "a"(regs)
: "a" (regs) : "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory");
: "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory");
if ((rc != 0) || ((regs->eax & 0xffff) == 0xffff) || (regs->eax == eax)) {
if ((rc != 0) || ((regs->eax & 0xffff) == 0xffff) || (regs->eax == eax)) { return -EINVAL;
return -EINVAL; }
}
return 0;
return 0;
} }
/* /*
...@@ -152,15 +151,15 @@ static int i8k_smm(SMMRegisters *regs) ...@@ -152,15 +151,15 @@ static int i8k_smm(SMMRegisters *regs)
*/ */
static int i8k_get_bios_version(void) static int i8k_get_bios_version(void)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
int rc; int rc;
regs.eax = I8K_SMM_BIOS_VERSION; regs.eax = I8K_SMM_BIOS_VERSION;
if ((rc=i8k_smm(&regs)) < 0) { if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
} }
return regs.eax; return regs.eax;
} }
/* /*
...@@ -168,8 +167,8 @@ static int i8k_get_bios_version(void) ...@@ -168,8 +167,8 @@ static int i8k_get_bios_version(void)
*/ */
static int i8k_get_serial_number(unsigned char *buff) static int i8k_get_serial_number(unsigned char *buff)
{ {
strlcpy(buff, serial_number, sizeof(serial_number)); strlcpy(buff, serial_number, sizeof(serial_number));
return 0; return 0;
} }
/* /*
...@@ -177,24 +176,24 @@ static int i8k_get_serial_number(unsigned char *buff) ...@@ -177,24 +176,24 @@ static int i8k_get_serial_number(unsigned char *buff)
*/ */
static int i8k_get_fn_status(void) static int i8k_get_fn_status(void)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
int rc; int rc;
regs.eax = I8K_SMM_FN_STATUS; regs.eax = I8K_SMM_FN_STATUS;
if ((rc=i8k_smm(&regs)) < 0) { if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
} }
switch ((regs.eax >> I8K_FN_SHIFT) & I8K_FN_MASK) { switch ((regs.eax >> I8K_FN_SHIFT) & I8K_FN_MASK) {
case I8K_FN_UP: case I8K_FN_UP:
return I8K_VOL_UP; return I8K_VOL_UP;
case I8K_FN_DOWN: case I8K_FN_DOWN:
return I8K_VOL_DOWN; return I8K_VOL_DOWN;
case I8K_FN_MUTE: case I8K_FN_MUTE:
return I8K_VOL_MUTE; return I8K_VOL_MUTE;
default: default:
return 0; return 0;
} }
} }
/* /*
...@@ -202,20 +201,20 @@ static int i8k_get_fn_status(void) ...@@ -202,20 +201,20 @@ static int i8k_get_fn_status(void)
*/ */
static int i8k_get_power_status(void) static int i8k_get_power_status(void)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
int rc; int rc;
regs.eax = I8K_SMM_POWER_STATUS; regs.eax = I8K_SMM_POWER_STATUS;
if ((rc=i8k_smm(&regs)) < 0) { if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
} }
switch (regs.eax & 0xff) { switch (regs.eax & 0xff) {
case I8K_POWER_AC: case I8K_POWER_AC:
return I8K_AC; return I8K_AC;
default: default:
return I8K_BATTERY; return I8K_BATTERY;
} }
} }
/* /*
...@@ -223,16 +222,16 @@ static int i8k_get_power_status(void) ...@@ -223,16 +222,16 @@ static int i8k_get_power_status(void)
*/ */
static int i8k_get_fan_status(int fan) static int i8k_get_fan_status(int fan)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
int rc; int rc;
regs.eax = I8K_SMM_GET_FAN; regs.eax = I8K_SMM_GET_FAN;
regs.ebx = fan & 0xff; regs.ebx = fan & 0xff;
if ((rc=i8k_smm(&regs)) < 0) { if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
} }
return (regs.eax & 0xff); return (regs.eax & 0xff);
} }
/* /*
...@@ -240,16 +239,16 @@ static int i8k_get_fan_status(int fan) ...@@ -240,16 +239,16 @@ static int i8k_get_fan_status(int fan)
*/ */
static int i8k_get_fan_speed(int fan) static int i8k_get_fan_speed(int fan)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
int rc; int rc;
regs.eax = I8K_SMM_GET_SPEED; regs.eax = I8K_SMM_GET_SPEED;
regs.ebx = fan & 0xff; regs.ebx = fan & 0xff;
if ((rc=i8k_smm(&regs)) < 0) { if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
} }
return (regs.eax & 0xffff) * I8K_FAN_MULT; return (regs.eax & 0xffff) * I8K_FAN_MULT;
} }
/* /*
...@@ -257,18 +256,18 @@ static int i8k_get_fan_speed(int fan) ...@@ -257,18 +256,18 @@ static int i8k_get_fan_speed(int fan)
*/ */
static int i8k_set_fan(int fan, int speed) static int i8k_set_fan(int fan, int speed)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
int rc; int rc;
speed = (speed < 0) ? 0 : ((speed > I8K_FAN_MAX) ? I8K_FAN_MAX : speed); speed = (speed < 0) ? 0 : ((speed > I8K_FAN_MAX) ? I8K_FAN_MAX : speed);
regs.eax = I8K_SMM_SET_FAN; regs.eax = I8K_SMM_SET_FAN;
regs.ebx = (fan & 0xff) | (speed << 8); regs.ebx = (fan & 0xff) | (speed << 8);
if ((rc=i8k_smm(&regs)) < 0) { if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
} }
return (i8k_get_fan_status(fan)); return (i8k_get_fan_status(fan));
} }
/* /*
...@@ -276,143 +275,143 @@ static int i8k_set_fan(int fan, int speed) ...@@ -276,143 +275,143 @@ static int i8k_set_fan(int fan, int speed)
*/ */
static int i8k_get_cpu_temp(void) static int i8k_get_cpu_temp(void)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
int rc; int rc;
int temp; int temp;
#ifdef I8K_TEMPERATURE_BUG #ifdef I8K_TEMPERATURE_BUG
static int prev = 0; static int prev = 0;
#endif #endif
regs.eax = I8K_SMM_GET_TEMP; regs.eax = I8K_SMM_GET_TEMP;
if ((rc=i8k_smm(&regs)) < 0) { if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
} }
temp = regs.eax & 0xff; temp = regs.eax & 0xff;
#ifdef I8K_TEMPERATURE_BUG #ifdef I8K_TEMPERATURE_BUG
/* /*
* Sometimes the temperature sensor returns 0x99, which is out of range. * Sometimes the temperature sensor returns 0x99, which is out of range.
* In this case we return (once) the previous cached value. For example: * In this case we return (once) the previous cached value. For example:
# 1003655137 00000058 00005a4b # 1003655137 00000058 00005a4b
# 1003655138 00000099 00003a80 <--- 0x99 = 153 degrees # 1003655138 00000099 00003a80 <--- 0x99 = 153 degrees
# 1003655139 00000054 00005c52 # 1003655139 00000054 00005c52
*/ */
if (temp > I8K_MAX_TEMP) { if (temp > I8K_MAX_TEMP) {
temp = prev; temp = prev;
prev = I8K_MAX_TEMP; prev = I8K_MAX_TEMP;
} else { } else {
prev = temp; prev = temp;
} }
#endif #endif
return temp; return temp;
} }
static int i8k_get_dell_signature(void) static int i8k_get_dell_signature(void)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
int rc; int rc;
regs.eax = I8K_SMM_GET_DELL_SIG; regs.eax = I8K_SMM_GET_DELL_SIG;
if ((rc=i8k_smm(&regs)) < 0) { if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
} }
if ((regs.eax == 1145651527) && (regs.edx == 1145392204)) { if ((regs.eax == 1145651527) && (regs.edx == 1145392204)) {
return 0; return 0;
} else { } else {
return -1; return -1;
} }
} }
static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd, static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
unsigned long arg) unsigned long arg)
{ {
int val; int val;
int speed; int speed;
unsigned char buff[16]; unsigned char buff[16];
int __user *argp = (int __user *)arg; int __user *argp = (int __user *)arg;
if (!argp) if (!argp)
return -EINVAL; return -EINVAL;
switch (cmd) { switch (cmd) {
case I8K_BIOS_VERSION: case I8K_BIOS_VERSION:
val = i8k_get_bios_version(); val = i8k_get_bios_version();
break; break;
case I8K_MACHINE_ID: case I8K_MACHINE_ID:
memset(buff, 0, 16); memset(buff, 0, 16);
val = i8k_get_serial_number(buff); val = i8k_get_serial_number(buff);
break; break;
case I8K_FN_STATUS: case I8K_FN_STATUS:
val = i8k_get_fn_status(); val = i8k_get_fn_status();
break; break;
case I8K_POWER_STATUS: case I8K_POWER_STATUS:
val = i8k_get_power_status(); val = i8k_get_power_status();
break; break;
case I8K_GET_TEMP:
val = i8k_get_cpu_temp();
break;
case I8K_GET_SPEED:
if (copy_from_user(&val, argp, sizeof(int))) {
return -EFAULT;
}
val = i8k_get_fan_speed(val);
break;
case I8K_GET_TEMP: case I8K_GET_FAN:
val = i8k_get_cpu_temp(); if (copy_from_user(&val, argp, sizeof(int))) {
break; return -EFAULT;
}
val = i8k_get_fan_status(val);
break;
case I8K_GET_SPEED: case I8K_SET_FAN:
if (copy_from_user(&val, argp, sizeof(int))) { if (restricted && !capable(CAP_SYS_ADMIN)) {
return -EFAULT; return -EPERM;
} }
val = i8k_get_fan_speed(val); if (copy_from_user(&val, argp, sizeof(int))) {
break; return -EFAULT;
}
if (copy_from_user(&speed, argp + 1, sizeof(int))) {
return -EFAULT;
}
val = i8k_set_fan(val, speed);
break;
case I8K_GET_FAN: default:
if (copy_from_user(&val, argp, sizeof(int))) { return -EINVAL;
return -EFAULT;
} }
val = i8k_get_fan_status(val);
break;
case I8K_SET_FAN: if (val < 0) {
if (restricted && !capable(CAP_SYS_ADMIN)) { return val;
return -EPERM;
}
if (copy_from_user(&val, argp, sizeof(int))) {
return -EFAULT;
}
if (copy_from_user(&speed, argp+1, sizeof(int))) {
return -EFAULT;
} }
val = i8k_set_fan(val, speed);
break;
default: switch (cmd) {
return -EINVAL; case I8K_BIOS_VERSION:
} if (copy_to_user(argp, &val, 4)) {
return -EFAULT;
if (val < 0) { }
return val; break;
} case I8K_MACHINE_ID:
if (copy_to_user(argp, buff, 16)) {
switch (cmd) { return -EFAULT;
case I8K_BIOS_VERSION: }
if (copy_to_user(argp, &val, 4)) { break;
return -EFAULT; default:
} if (copy_to_user(argp, &val, sizeof(int))) {
break; return -EFAULT;
case I8K_MACHINE_ID: }
if (copy_to_user(argp, buff, 16)) { break;
return -EFAULT;
}
break;
default:
if (copy_to_user(argp, &val, sizeof(int))) {
return -EFAULT;
} }
break;
}
return 0; return 0;
} }
/* /*
...@@ -420,90 +419,87 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd, ...@@ -420,90 +419,87 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
*/ */
static int i8k_get_info(char *buffer, char **start, off_t fpos, int length) static int i8k_get_info(char *buffer, char **start, off_t fpos, int length)
{ {
int n, fn_key, cpu_temp, ac_power; int n, fn_key, cpu_temp, ac_power;
int left_fan, right_fan, left_speed, right_speed; int left_fan, right_fan, left_speed, right_speed;
cpu_temp = i8k_get_cpu_temp(); /* 11100 s */ cpu_temp = i8k_get_cpu_temp(); /* 11100 s */
left_fan = i8k_get_fan_status(I8K_FAN_LEFT); /* 580 s */ left_fan = i8k_get_fan_status(I8K_FAN_LEFT); /* 580 s */
right_fan = i8k_get_fan_status(I8K_FAN_RIGHT); /* 580 s */ right_fan = i8k_get_fan_status(I8K_FAN_RIGHT); /* 580 s */
left_speed = i8k_get_fan_speed(I8K_FAN_LEFT); /* 580 s */ left_speed = i8k_get_fan_speed(I8K_FAN_LEFT); /* 580 s */
right_speed = i8k_get_fan_speed(I8K_FAN_RIGHT); /* 580 s */ right_speed = i8k_get_fan_speed(I8K_FAN_RIGHT); /* 580 s */
fn_key = i8k_get_fn_status(); /* 750 s */ fn_key = i8k_get_fn_status(); /* 750 s */
if (power_status) { if (power_status) {
ac_power = i8k_get_power_status(); /* 14700 s */ ac_power = i8k_get_power_status(); /* 14700 s */
} else { } else {
ac_power = -1; ac_power = -1;
} }
/* /*
* Info: * Info:
* *
* 1) Format version (this will change if format changes) * 1) Format version (this will change if format changes)
* 2) BIOS version * 2) BIOS version
* 3) BIOS machine ID * 3) BIOS machine ID
* 4) Cpu temperature * 4) Cpu temperature
* 5) Left fan status * 5) Left fan status
* 6) Right fan status * 6) Right fan status
* 7) Left fan speed * 7) Left fan speed
* 8) Right fan speed * 8) Right fan speed
* 9) AC power * 9) AC power
* 10) Fn Key status * 10) Fn Key status
*/ */
n = sprintf(buffer, "%s %s %s %d %d %d %d %d %d %d\n", n = sprintf(buffer, "%s %s %s %d %d %d %d %d %d %d\n",
I8K_PROC_FMT, I8K_PROC_FMT,
bios_version, bios_version,
serial_number, serial_number,
cpu_temp, cpu_temp,
left_fan, left_fan,
right_fan, right_fan, left_speed, right_speed, ac_power, fn_key);
left_speed,
right_speed, return n;
ac_power,
fn_key);
return n;
} }
static ssize_t i8k_read(struct file *f, char __user *buffer, size_t len, loff_t *fpos) static ssize_t i8k_read(struct file *f, char __user * buffer, size_t len,
loff_t * fpos)
{ {
int n; int n;
char info[128]; char info[128];
n = i8k_get_info(info, NULL, 0, 128); n = i8k_get_info(info, NULL, 0, 128);
if (n <= 0) { if (n <= 0) {
return n; return n;
} }
if (*fpos >= n) { if (*fpos >= n) {
return 0; return 0;
} }
if ((*fpos + len) >= n) { if ((*fpos + len) >= n) {
len = n - *fpos; len = n - *fpos;
} }
if (copy_to_user(buffer, info, len) != 0) { if (copy_to_user(buffer, info, len) != 0) {
return -EFAULT; return -EFAULT;
} }
*fpos += len; *fpos += len;
return len; return len;
} }
static char* __init string_trim(char *s, int size) static char *__init string_trim(char *s, int size)
{ {
int len; int len;
char *p; char *p;
if ((len = strlen(s)) > size) { if ((len = strlen(s)) > size) {
len = size; len = size;
} }
for (p=s+len-1; len && (*p==' '); len--,p--) { for (p = s + len - 1; len && (*p == ' '); len--, p--) {
*p = '\0'; *p = '\0';
} }
return s; return s;
} }
/* DMI code, stolen from arch/i386/kernel/dmi_scan.c */ /* DMI code, stolen from arch/i386/kernel/dmi_scan.c */
...@@ -515,111 +511,112 @@ static char* __init string_trim(char *s, int size) ...@@ -515,111 +511,112 @@ static char* __init string_trim(char *s, int size)
* | | * | |
* +-----------------------+ * +-----------------------+
*/ */
static char* __init dmi_string(DMIHeader *dmi, u8 s) static char *__init dmi_string(DMIHeader * dmi, u8 s)
{ {
u8 *p; u8 *p;
if (!s) {
return "";
}
s--;
p = (u8 *)dmi + dmi->length; if (!s) {
while (s > 0) { return "";
p += strlen(p); }
p++;
s--; s--;
}
return p; p = (u8 *) dmi + dmi->length;
while (s > 0) {
p += strlen(p);
p++;
s--;
}
return p;
} }
static void __init dmi_decode(DMIHeader *dmi) static void __init dmi_decode(DMIHeader * dmi)
{ {
u8 *data = (u8 *) dmi; u8 *data = (u8 *) dmi;
char *p; char *p;
#ifdef I8K_DEBUG #ifdef I8K_DEBUG
int i; int i;
printk("%08x ", (int)data); printk("%08x ", (int)data);
for (i=0; i<data[1] && i<64; i++) { for (i = 0; i < data[1] && i < 64; i++) {
printk("%02x ", data[i]); printk("%02x ", data[i]);
} }
printk("\n"); printk("\n");
#endif #endif
switch (dmi->type) { switch (dmi->type) {
case 0: /* BIOS Information */ case 0: /* BIOS Information */
p = dmi_string(dmi,data[5]); p = dmi_string(dmi, data[5]);
if (*p) { if (*p) {
strlcpy(bios_version, p, sizeof(bios_version)); strlcpy(bios_version, p, sizeof(bios_version));
string_trim(bios_version, sizeof(bios_version)); string_trim(bios_version, sizeof(bios_version));
} }
break; break;
case 1: /* System Information */ case 1: /* System Information */
p = dmi_string(dmi,data[4]); p = dmi_string(dmi, data[4]);
if (*p) { if (*p) {
strlcpy(system_vendor, p, sizeof(system_vendor)); strlcpy(system_vendor, p, sizeof(system_vendor));
string_trim(system_vendor, sizeof(system_vendor)); string_trim(system_vendor, sizeof(system_vendor));
} }
p = dmi_string(dmi,data[5]); p = dmi_string(dmi, data[5]);
if (*p) { if (*p) {
strlcpy(product_name, p, sizeof(product_name)); strlcpy(product_name, p, sizeof(product_name));
string_trim(product_name, sizeof(product_name)); string_trim(product_name, sizeof(product_name));
} }
p = dmi_string(dmi,data[7]); p = dmi_string(dmi, data[7]);
if (*p) { if (*p) {
strlcpy(serial_number, p, sizeof(serial_number)); strlcpy(serial_number, p, sizeof(serial_number));
string_trim(serial_number, sizeof(serial_number)); string_trim(serial_number, sizeof(serial_number));
} }
break; break;
} }
} }
static int __init dmi_table(u32 base, int len, int num, void (*fn)(DMIHeader*)) static int __init dmi_table(u32 base, int len, int num,
void (*fn) (DMIHeader *))
{ {
u8 *buf; u8 *buf;
u8 *data; u8 *data;
DMIHeader *dmi; DMIHeader *dmi;
int i = 1; int i = 1;
buf = ioremap(base, len); buf = ioremap(base, len);
if (buf == NULL) { if (buf == NULL) {
return -1; return -1;
}
data = buf;
/*
* Stop when we see al the items the table claimed to have
* or we run off the end of the table (also happens)
*/
while ((i<num) && ((data-buf) < len)) {
dmi = (DMIHeader *)data;
/*
* Avoid misparsing crud if the length of the last
* record is crap
*/
if ((data-buf+dmi->length) >= len) {
break;
} }
fn(dmi); data = buf;
data += dmi->length;
/* /*
* Don't go off the end of the data if there is * Stop when we see al the items the table claimed to have
* stuff looking like string fill past the end * or we run off the end of the table (also happens)
*/ */
while (((data-buf) < len) && (*data || data[1])) { while ((i < num) && ((data - buf) < len)) {
data++; dmi = (DMIHeader *) data;
/*
* Avoid misparsing crud if the length of the last
* record is crap
*/
if ((data - buf + dmi->length) >= len) {
break;
}
fn(dmi);
data += dmi->length;
/*
* Don't go off the end of the data if there is
* stuff looking like string fill past the end
*/
while (((data - buf) < len) && (*data || data[1])) {
data++;
}
data += 2;
i++;
} }
data += 2; iounmap(buf);
i++;
}
iounmap(buf);
return 0; return 0;
} }
static int __init dmi_iterate(void (*decode)(DMIHeader *)) static int __init dmi_iterate(void (*decode) (DMIHeader *))
{ {
unsigned char buf[20]; unsigned char buf[20];
void __iomem *p = ioremap(0xe0000, 0x20000), *q; void __iomem *p = ioremap(0xe0000, 0x20000), *q;
...@@ -629,20 +626,20 @@ static int __init dmi_iterate(void (*decode)(DMIHeader *)) ...@@ -629,20 +626,20 @@ static int __init dmi_iterate(void (*decode)(DMIHeader *))
for (q = p; q < p + 0x20000; q += 16) { for (q = p; q < p + 0x20000; q += 16) {
memcpy_fromio(buf, q, 20); memcpy_fromio(buf, q, 20);
if (memcmp(buf, "_DMI_", 5)==0) { if (memcmp(buf, "_DMI_", 5) == 0) {
u16 num = buf[13]<<8 | buf[12]; u16 num = buf[13] << 8 | buf[12];
u16 len = buf [7]<<8 | buf [6]; u16 len = buf[7] << 8 | buf[6];
u32 base = buf[11]<<24 | buf[10]<<16 | buf[9]<<8 | buf[8]; u32 base = buf[11] << 24 | buf[10] << 16 | buf[9] << 8 | buf[8];
#ifdef I8K_DEBUG #ifdef I8K_DEBUG
printk(KERN_INFO "DMI %d.%d present.\n", printk(KERN_INFO "DMI %d.%d present.\n",
buf[14]>>4, buf[14]&0x0F); buf[14] >> 4, buf[14] & 0x0F);
printk(KERN_INFO "%d structures occupying %d bytes.\n", printk(KERN_INFO "%d structures occupying %d bytes.\n",
buf[13]<<8 | buf[12], buf[13] << 8 | buf[12], buf[7] << 8 | buf[6]);
buf [7]<<8 | buf[6]);
printk(KERN_INFO "DMI table at 0x%08X.\n", printk(KERN_INFO "DMI table at 0x%08X.\n",
buf[11]<<24 | buf[10]<<16 | buf[9]<<8 | buf[8]); buf[11] << 24 | buf[10] << 16 | buf[9] << 8 |
buf[8]);
#endif #endif
if (dmi_table(base, len, num, decode)==0) { if (dmi_table(base, len, num, decode) == 0) {
iounmap(p); iounmap(p);
return 0; return 0;
} }
...@@ -651,6 +648,7 @@ static int __init dmi_iterate(void (*decode)(DMIHeader *)) ...@@ -651,6 +648,7 @@ static int __init dmi_iterate(void (*decode)(DMIHeader *))
iounmap(p); iounmap(p);
return -1; return -1;
} }
/* end of DMI code */ /* end of DMI code */
/* /*
...@@ -658,29 +656,30 @@ static int __init dmi_iterate(void (*decode)(DMIHeader *)) ...@@ -658,29 +656,30 @@ static int __init dmi_iterate(void (*decode)(DMIHeader *))
*/ */
static int __init i8k_dmi_probe(void) static int __init i8k_dmi_probe(void)
{ {
char **p; char **p;
if (dmi_iterate(dmi_decode) != 0) { if (dmi_iterate(dmi_decode) != 0) {
printk(KERN_INFO "i8k: unable to get DMI information\n"); printk(KERN_INFO "i8k: unable to get DMI information\n");
return -ENODEV; return -ENODEV;
} }
if (strncmp(system_vendor,DELL_SIGNATURE,strlen(DELL_SIGNATURE)) != 0) {
printk(KERN_INFO "i8k: not running on a Dell system\n");
return -ENODEV;
}
for (p=supported_models; ; p++) { if (strncmp(system_vendor, DELL_SIGNATURE, strlen(DELL_SIGNATURE)) != 0) {
if (!*p) { printk(KERN_INFO "i8k: not running on a Dell system\n");
printk(KERN_INFO "i8k: unsupported model: %s\n", product_name); return -ENODEV;
return -ENODEV;
} }
if (strncmp(product_name,*p,strlen(*p)) == 0) {
break; for (p = supported_models;; p++) {
if (!*p) {
printk(KERN_INFO "i8k: unsupported model: %s\n",
product_name);
return -ENODEV;
}
if (strncmp(product_name, *p, strlen(*p)) == 0) {
break;
}
} }
}
return 0; return 0;
} }
/* /*
...@@ -688,59 +687,60 @@ static int __init i8k_dmi_probe(void) ...@@ -688,59 +687,60 @@ static int __init i8k_dmi_probe(void)
*/ */
static int __init i8k_probe(void) static int __init i8k_probe(void)
{ {
char buff[4]; char buff[4];
int version; int version;
int smm_found = 0; int smm_found = 0;
/*
* Get DMI information
*/
if (i8k_dmi_probe() != 0) {
printk(KERN_INFO "i8k: vendor=%s, model=%s, version=%s\n",
system_vendor, product_name, bios_version);
}
/*
* Get SMM Dell signature
*/
if (i8k_get_dell_signature() != 0) {
printk(KERN_INFO "i8k: unable to get SMM Dell signature\n");
} else {
smm_found = 1;
}
/*
* Get SMM BIOS version.
*/
version = i8k_get_bios_version();
if (version <= 0) {
printk(KERN_INFO "i8k: unable to get SMM BIOS version\n");
} else {
smm_found = 1;
buff[0] = (version >> 16) & 0xff;
buff[1] = (version >> 8) & 0xff;
buff[2] = (version) & 0xff;
buff[3] = '\0';
/* /*
* If DMI BIOS version is unknown use SMM BIOS version. * Get DMI information
*/ */
if (bios_version[0] == '?') { if (i8k_dmi_probe() != 0) {
strcpy(bios_version, buff); printk(KERN_INFO "i8k: vendor=%s, model=%s, version=%s\n",
system_vendor, product_name, bios_version);
} }
/* /*
* Check if the two versions match. * Get SMM Dell signature
*/ */
if (strncmp(buff,bios_version,sizeof(bios_version)) != 0) { if (i8k_get_dell_signature() != 0) {
printk(KERN_INFO "i8k: BIOS version mismatch: %s != %s\n", printk(KERN_INFO "i8k: unable to get SMM Dell signature\n");
buff, bios_version); } else {
smm_found = 1;
} }
}
if (!smm_found && !force) { /*
return -ENODEV; * Get SMM BIOS version.
} */
version = i8k_get_bios_version();
if (version <= 0) {
printk(KERN_INFO "i8k: unable to get SMM BIOS version\n");
} else {
smm_found = 1;
buff[0] = (version >> 16) & 0xff;
buff[1] = (version >> 8) & 0xff;
buff[2] = (version) & 0xff;
buff[3] = '\0';
/*
* If DMI BIOS version is unknown use SMM BIOS version.
*/
if (bios_version[0] == '?') {
strcpy(bios_version, buff);
}
/*
* Check if the two versions match.
*/
if (strncmp(buff, bios_version, sizeof(bios_version)) != 0) {
printk(KERN_INFO
"i8k: BIOS version mismatch: %s != %s\n", buff,
bios_version);
}
}
if (!smm_found && !force) {
return -ENODEV;
}
return 0; return 0;
} }
#ifdef MODULE #ifdef MODULE
...@@ -748,40 +748,40 @@ static ...@@ -748,40 +748,40 @@ static
#endif #endif
int __init i8k_init(void) int __init i8k_init(void)
{ {
struct proc_dir_entry *proc_i8k; struct proc_dir_entry *proc_i8k;
/* Are we running on an supported laptop? */ /* Are we running on an supported laptop? */
if (i8k_probe() != 0) { if (i8k_probe() != 0) {
return -ENODEV; return -ENODEV;
} }
/* Register the proc entry */ /* Register the proc entry */
proc_i8k = create_proc_info_entry("i8k", 0, NULL, i8k_get_info); proc_i8k = create_proc_info_entry("i8k", 0, NULL, i8k_get_info);
if (!proc_i8k) { if (!proc_i8k) {
return -ENOENT; return -ENOENT;
} }
proc_i8k->proc_fops = &i8k_fops; proc_i8k->proc_fops = &i8k_fops;
proc_i8k->owner = THIS_MODULE; proc_i8k->owner = THIS_MODULE;
printk(KERN_INFO printk(KERN_INFO
"Dell laptop SMM driver v%s Massimo Dal Zotto (dz@debian.org)\n", "Dell laptop SMM driver v%s Massimo Dal Zotto (dz@debian.org)\n",
I8K_VERSION); I8K_VERSION);
return 0; return 0;
} }
#ifdef MODULE #ifdef MODULE
int init_module(void) int init_module(void)
{ {
return i8k_init(); return i8k_init();
} }
void cleanup_module(void) void cleanup_module(void)
{ {
/* Remove the proc entry */ /* Remove the proc entry */
remove_proc_entry("i8k", NULL); remove_proc_entry("i8k", NULL);
printk(KERN_INFO "i8k: module unloaded\n"); printk(KERN_INFO "i8k: module unloaded\n");
} }
#endif #endif
......
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