static ssize_t log_proc_write(struct file *f, const char *buf, size_t cnt, loff_t *pos) {
int i;
#define MAX_ARGS 5
#define MAX_ARG_SIZE 32
typedef char arg_t[MAX_ARG_SIZE];
arg_t arg[MAX_ARGS];
int argc;
char cmd;
bcmLogModuleInfo_t *pModInfo;
#define LOG_WR_KBUF_SIZE 128
char kbuf[LOG_WR_KBUF_SIZE];
if ((cnt > LOG_WR_KBUF_SIZE-1) || (copy_from_user(kbuf, buf, cnt) != 0))
return -EFAULT;
kbuf[cnt]=0;
argc = sscanf(kbuf, "%c %s %s %s %s %s", &cmd, arg[0], arg[1], arg[2], arg[3], arg[4]);
for (i=0; i<MAX_ARGS; ++i) {
arg[i][MAX_ARG_SIZE-1] = '\0';
}
BCM_LOG_INFO(BCM_LOG_ID_LOG, "WRITE: cmd: %c, argc: %d", cmd, argc);
for (i=0; i<argc-1; ++i) {
BCM_LOG_INFO(BCM_LOG_ID_LOG, "arg[%d]: %s ", i, arg[i]);
}
switch ( cmd ) {
BCM_LOGCODE(
case 'g':
{
bcmLogLevel_t logLevel = str2val(arg[0]);
if(argc == 2 && logLevel >= 0 && logLevel < BCM_LOG_LEVEL_MAX)
globalLogLevel = logLevel;
else
BCM_LOG_ERROR(BCM_LOG_ID_LOG, "Invalid Parameter '%s'\n", arg[0]);
break;
} )
BCM_LOGCODE(
case 'r':
{
bcmPrint ("Global Log Level : %d\n", globalLogLevel);
break;
} )
/* Calls the appropriate function based on user command */
static int exec_command(const char *buf, size_t count, int fs_type)
{
#define MAX_ARGS 2
#define MAX_ARG_SIZE 32
int i, argc = 0, val = 0;
char cmd;
u8 offset;
char arg[MAX_ARGS][MAX_ARG_SIZE];
#if 0
char temp_buf[20] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
#endif
#ifdef PROCFS_HOOKS
#define LOG_WR_KBUF_SIZE 128
char kbuf[LOG_WR_KBUF_SIZE];
if(fs_type == PROC_FS)
{
if ((count > LOG_WR_KBUF_SIZE-1) ||
(copy_from_user(kbuf, buf, count) != 0))
return -EFAULT;
kbuf[count]=0;
argc = sscanf(kbuf, "%c %s %s", &cmd, arg[0], arg[1]);
}
#endif
#ifdef SYSFS_HOOKS
if(fs_type == SYS_FS)
argc = sscanf(buf, "%c %s %s", &cmd, arg[0], arg[1]);
#endif
if (argc <= 1) {
BCM_LOG_NOTICE(BCM_LOG_ID_I2C, "Need at-least 2 arguments \n");
return -EFAULT;
}
for (i=0; i<MAX_ARGS; ++i) {
arg[i][MAX_ARG_SIZE-1] = '\0';
}
offset = (u8) simple_strtoul(arg[0], NULL, 0);
if (argc == 3)
val = (int) simple_strtoul(arg[1], NULL, 0);
switch (cmd) {
#if 0
case 'y':
if (argc == 3) {
if (val > 7) {
BCM_LOG_INFO(BCM_LOG_ID_I2C, "Limiting byte count to 7 \n");
val = 7;
}
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "Write Byte Stream: offset = %x, "
"count = %x \n", offset, val);
for (i=0; i< val; i++) {
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "%x, ",temp_buf[i]);
}
temp_buf[0] = offset;
bcm3450_write(temp_buf, val+1);
}
break;
case 'z':
if (argc == 3) {
if (val > 8) {
BCM_LOG_INFO(BCM_LOG_ID_I2C, "This test limits the byte stream"
" count to 8 \n");
val = 8;
}
for (i=0; i< val; i++) {
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "%x, ",temp_buf[i]);
}
temp_buf[0] = offset;
bcm3450_read(temp_buf, val);
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "Read Byte Stream: offset = %x, "
"count = %x \n", offset, val);
for (i=0; i< val; i++) {
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "%x, ",temp_buf[i]);
}
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "\n");
}
break;
#endif
case 'b':
if (argc == 3) {
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "Write Byte: offset = %x, "
"val = %x \n", offset, val);
bcm3450_write_byte(offset, (u8)val);
}
else {
val = bcm3450_read_byte(offset);
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "Read Byte: offset = %x, "
"val = %x \n", offset, val);
}
break;
case 'w':
if (argc == 3) {
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "Write Word: offset = %x, "
"val = %x \n", offset, val);
bcm3450_write_word(offset, (u16)val);
}
else {
val = bcm3450_read_word(offset);
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "Read Word: offset = %x, "
"val = %x \n", offset, val);
}
break;
case 'd':
if (argc == 3) {
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "Write Register: offset = %x, "
"val = %x \n", offset, val);
bcm3450_write_reg(offset, val);
}
else {
val = bcm3450_read_reg(offset);
BCM_LOG_DEBUG(BCM_LOG_ID_I2C, "Read Register: offset = %x, "
"val = %x \n", offset, val);
}
break;
default:
BCM_LOG_NOTICE(BCM_LOG_ID_I2C, "Invalid command. \n Valid commands: \n"
" Write Reg: d offset val \n"
" Read Reg: d offset \n"
" Write Word: w offset val \n"
" Read Word: w offset \n"
" Write Byte: b offset val \n"
" Read Byte: b offset \n"
#if 0
" Write Bytes: y offset count \n"
" Read Bytes: z offset count \n"
#endif
);
break;
}
return count;
}
