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@ -341,181 +341,6 @@ static void reset_button_poll(unsigned long unused) |
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} |
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} |
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#endif |
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#endif |
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long ifxmips_port_read_procmem_helper(char* tag, u32* in_reg, char *buf) |
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{ |
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u32 reg, bit = 0; |
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unsigned int len, t; |
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len = sprintf(buf, "\n%s: ", tag); |
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reg = ifxmips_r32(in_reg); |
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bit = 0x80000000; |
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for (t = 0; t < 32; t++) { |
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if ((reg & bit) > 0) |
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len = len + sprintf(buf + len, "X"); |
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else |
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len = len + sprintf(buf + len, " "); |
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bit = bit >> 1; |
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} |
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return len; |
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} |
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int |
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ifxmips_port_read_procmem (char *buf, char **start, off_t offset, int count, |
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int *eof, void *data) |
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{ |
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long len = sprintf (buf, "\nIFXMips Port Settings\n"); |
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len += sprintf (buf + len, |
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" 3 2 1 0\n"); |
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len += sprintf (buf + len, |
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" 10987654321098765432109876543210\n"); |
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len += sprintf (buf + len, |
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"----------------------------------------\n"); |
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len += ifxmips_port_read_procmem_helper("P0-OUT", IFXMIPS_GPIO_P0_OUT, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P1-OUT", IFXMIPS_GPIO_P1_OUT, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P0-IN ", IFXMIPS_GPIO_P0_IN, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P1-IN ", IFXMIPS_GPIO_P1_IN, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P0-DIR", IFXMIPS_GPIO_P0_DIR, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P1-DIR", IFXMIPS_GPIO_P1_DIR, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P0-STO ", IFXMIPS_GPIO_P0_STOFF, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P1-STO ", IFXMIPS_GPIO_P1_STOFF, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P0-PUDE", IFXMIPS_GPIO_P0_PUDEN, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P1-PUDE", IFXMIPS_GPIO_P1_PUDEN, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P0-OD ", IFXMIPS_GPIO_P0_OD, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P1-OD ", IFXMIPS_GPIO_P1_OD, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P0-PUDS", IFXMIPS_GPIO_P0_PUDSEL, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P1-PUDS", IFXMIPS_GPIO_P1_PUDSEL, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P0-ALT0", IFXMIPS_GPIO_P0_ALTSEL0, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P1-ALT0", IFXMIPS_GPIO_P1_ALTSEL0, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P0-ALT1", IFXMIPS_GPIO_P0_ALTSEL1, &buf[len]); |
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len += ifxmips_port_read_procmem_helper("P1-ALT1", IFXMIPS_GPIO_P1_ALTSEL1, &buf[len]); |
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len = len + sprintf (buf + len, "\n\n"); |
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*eof = 1; |
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return len; |
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} |
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static int |
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ifxmips_port_open (struct inode *inode, struct file *filep) |
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{ |
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return 0; |
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} |
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static int |
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ifxmips_port_release (struct inode *inode, struct file *filelp) |
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{ |
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return 0; |
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} |
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static int |
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ifxmips_port_ioctl (struct inode *inode, struct file *filp, |
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unsigned int cmd, unsigned long arg) |
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{ |
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int ret = 0; |
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volatile struct ifxmips_port_ioctl_parm parm; |
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if (_IOC_TYPE (cmd) != IFXMIPS_PORT_IOC_MAGIC) |
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return -EINVAL; |
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if (_IOC_DIR (cmd) & _IOC_WRITE) { |
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if (!access_ok |
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(VERIFY_READ, arg, |
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sizeof (struct ifxmips_port_ioctl_parm))) |
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return -EFAULT; |
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ret = copy_from_user ((void *) &parm, (void *) arg, |
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sizeof (struct ifxmips_port_ioctl_parm)); |
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} |
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if (_IOC_DIR (cmd) & _IOC_READ) { |
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if (!access_ok |
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(VERIFY_WRITE, arg, |
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sizeof (struct ifxmips_port_ioctl_parm))) |
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return -EFAULT; |
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} |
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if (down_trylock (&port_sem) != 0) |
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return -EBUSY; |
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switch (cmd) { |
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case IFXMIPS_PORT_IOCOD: |
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if (parm.value == 0x00) |
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ifxmips_port_clear_open_drain(parm.port, parm.pin); |
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else |
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ifxmips_port_set_open_drain(parm.port, parm.pin); |
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break; |
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case IFXMIPS_PORT_IOCPUDSEL: |
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if (parm.value == 0x00) |
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ifxmips_port_clear_pudsel(parm.port, parm.pin); |
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else |
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ifxmips_port_set_pudsel(parm.port, parm.pin); |
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break; |
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case IFXMIPS_PORT_IOCPUDEN: |
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if (parm.value == 0x00) |
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ifxmips_port_clear_puden(parm.port, parm.pin); |
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else |
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ifxmips_port_set_puden(parm.port, parm.pin); |
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break; |
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case IFXMIPS_PORT_IOCSTOFF: |
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if (parm.value == 0x00) |
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ifxmips_port_clear_stoff(parm.port, parm.pin); |
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else |
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ifxmips_port_set_stoff(parm.port, parm.pin); |
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break; |
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case IFXMIPS_PORT_IOCDIR: |
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if (parm.value == 0x00) |
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ifxmips_port_set_dir_in(parm.port, parm.pin); |
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else |
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ifxmips_port_set_dir_out(parm.port, parm.pin); |
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break; |
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case IFXMIPS_PORT_IOCOUTPUT: |
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if (parm.value == 0x00) |
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ifxmips_port_clear_output(parm.port, parm.pin); |
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else |
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ifxmips_port_set_output(parm.port, parm.pin); |
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break; |
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case IFXMIPS_PORT_IOCALTSEL0: |
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if (parm.value == 0x00) |
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ifxmips_port_clear_altsel0(parm.port, parm.pin); |
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else |
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ifxmips_port_set_altsel0(parm.port, parm.pin); |
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break; |
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case IFXMIPS_PORT_IOCALTSEL1: |
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if (parm.value == 0x00) |
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ifxmips_port_clear_altsel1(parm.port, parm.pin); |
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else |
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ifxmips_port_set_altsel1(parm.port, parm.pin); |
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break; |
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case IFXMIPS_PORT_IOCINPUT: |
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parm.value = ifxmips_port_get_input(parm.port, parm.pin); |
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copy_to_user((void*)arg, (void*)&parm, |
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sizeof(struct ifxmips_port_ioctl_parm)); |
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break; |
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default: |
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ret = -EINVAL; |
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} |
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up (&port_sem); |
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return ret; |
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} |
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static struct file_operations port_fops = { |
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.open = ifxmips_port_open, |
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.release = ifxmips_port_release, |
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.ioctl = ifxmips_port_ioctl |
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}; |
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static int |
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static int |
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ifxmips_gpio_probe (struct platform_device *dev) |
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ifxmips_gpio_probe (struct platform_device *dev) |
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{ |
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{ |
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@ -523,16 +348,6 @@ ifxmips_gpio_probe (struct platform_device *dev) |
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sema_init (&port_sem, 1); |
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sema_init (&port_sem, 1); |
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ifxmips_gpio_major = register_chrdev(0, DRVNAME, &port_fops); |
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if (!ifxmips_gpio_major) |
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{ |
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printk(KERN_INFO DRVNAME ": Error! Could not register port device. #%d\n", ifxmips_gpio_major); |
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retval = -EINVAL; |
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goto out; |
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} |
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create_proc_read_entry(DRVNAME, 0, NULL, ifxmips_port_read_procmem, NULL); |
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#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN |
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#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN |
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ifxmips_port_set_open_drain(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN); |
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ifxmips_port_set_open_drain(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN); |
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ifxmips_port_clear_altsel0(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN); |
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ifxmips_port_clear_altsel0(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN); |
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@ -549,7 +364,6 @@ ifxmips_gpio_probe (struct platform_device *dev) |
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printk(KERN_INFO DRVNAME ": device successfully initialized #%d.\n", ifxmips_gpio_major); |
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printk(KERN_INFO DRVNAME ": device successfully initialized #%d.\n", ifxmips_gpio_major); |
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out: |
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return retval; |
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return retval; |
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} |
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} |
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@ -560,7 +374,6 @@ ifxmips_gpio_remove (struct platform_device *pdev) |
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del_timer_sync(&rst_button_timer); |
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del_timer_sync(&rst_button_timer); |
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#endif |
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#endif |
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unregister_chrdev(ifxmips_gpio_major, DRVNAME); |
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unregister_chrdev(ifxmips_gpio_major, DRVNAME); |
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remove_proc_entry(DRVNAME, NULL); |
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return 0; |
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return 0; |
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} |
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} |
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