diff options
Diffstat (limited to 'target/linux/ifxmips/files/drivers/char/danube_gpio.c')
| -rw-r--r-- | target/linux/ifxmips/files/drivers/char/danube_gpio.c | 204 |
1 files changed, 102 insertions, 102 deletions
diff --git a/target/linux/ifxmips/files/drivers/char/danube_gpio.c b/target/linux/ifxmips/files/drivers/char/danube_gpio.c index 2a4266586..6ac9ec6b1 100644 --- a/target/linux/ifxmips/files/drivers/char/danube_gpio.c +++ b/target/linux/ifxmips/files/drivers/char/danube_gpio.c @@ -26,13 +26,13 @@ #include <linux/ioctl.h> #include <asm/semaphore.h> #include <asm/uaccess.h> -#include <asm/danube/danube.h> -#include <asm/danube/danube_ioctl.h> +#include <asm/ifxmips/ifxmips.h> +#include <asm/ifxmips/ifxmips_ioctl.h> #define MAX_PORTS 2 #define PINS_PER_PORT 16 -static unsigned int danube_gpio_major = 0; +static unsigned int ifxmips_gpio_major = 0; /* TODO do we need this ? */ static struct semaphore port_sem; @@ -41,147 +41,147 @@ static struct semaphore port_sem; #define IFXMIPS_GPIO_SANITY {if (port > MAX_PORTS || pin > PINS_PER_PORT) return -EINVAL; } int -danube_port_reserve_pin (unsigned int port, unsigned int pin) +ifxmips_port_reserve_pin (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; printk("%s : call to obseleted function\n", __func__); return 0; } -EXPORT_SYMBOL(danube_port_reserve_pin); +EXPORT_SYMBOL(ifxmips_port_reserve_pin); int -danube_port_free_pin (unsigned int port, unsigned int pin) +ifxmips_port_free_pin (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; printk("%s : call to obseleted function\n", __func__); return 0; } -EXPORT_SYMBOL(danube_port_free_pin); +EXPORT_SYMBOL(ifxmips_port_free_pin); int -danube_port_set_open_drain (unsigned int port, unsigned int pin) +ifxmips_port_set_open_drain (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_OD + (port * 0x30)) | (1 << pin), IFXMIPS_GPIO_P0_OD); return 0; } -EXPORT_SYMBOL(danube_port_set_open_drain); +EXPORT_SYMBOL(ifxmips_port_set_open_drain); int -danube_port_clear_open_drain (unsigned int port, unsigned int pin) +ifxmips_port_clear_open_drain (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_OD + (port * 0x30)) & ~(1 << pin), IFXMIPS_GPIO_P0_OD); return 0; } -EXPORT_SYMBOL(danube_port_clear_open_drain); +EXPORT_SYMBOL(ifxmips_port_clear_open_drain); int -danube_port_set_pudsel (unsigned int port, unsigned int pin) +ifxmips_port_set_pudsel (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_PUDSEL + (port * 0x30)) | (1 << pin), IFXMIPS_GPIO_P0_PUDSEL); return 0; } -EXPORT_SYMBOL(danube_port_set_pudsel); +EXPORT_SYMBOL(ifxmips_port_set_pudsel); int -danube_port_clear_pudsel (unsigned int port, unsigned int pin) +ifxmips_port_clear_pudsel (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_PUDSEL + (port * 0x30)) & ~(1 << pin), IFXMIPS_GPIO_P0_PUDSEL); return 0; } -EXPORT_SYMBOL(danube_port_clear_pudsel); +EXPORT_SYMBOL(ifxmips_port_clear_pudsel); int -danube_port_set_puden (unsigned int port, unsigned int pin) +ifxmips_port_set_puden (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_PUDEN + (port * 0x30)) | (1 << pin), IFXMIPS_GPIO_P0_PUDEN); return 0; } -EXPORT_SYMBOL(danube_port_set_puden); +EXPORT_SYMBOL(ifxmips_port_set_puden); int -danube_port_clear_puden (unsigned int port, unsigned int pin) +ifxmips_port_clear_puden (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_PUDEN + (port * 0x30)) & ~(1 << pin), IFXMIPS_GPIO_P0_PUDEN); return 0; } -EXPORT_SYMBOL(danube_port_clear_puden); +EXPORT_SYMBOL(ifxmips_port_clear_puden); int -danube_port_set_stoff (unsigned int port, unsigned int pin) +ifxmips_port_set_stoff (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_STOFF + (port * 0x30)) | (1 << pin), IFXMIPS_GPIO_P0_STOFF); return 0; } -EXPORT_SYMBOL(danube_port_set_stoff); +EXPORT_SYMBOL(ifxmips_port_set_stoff); int -danube_port_clear_stoff (unsigned int port, unsigned int pin) +ifxmips_port_clear_stoff (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_STOFF + (port * 0x30)) & ~(1 << pin), IFXMIPS_GPIO_P0_STOFF); return 0; } -EXPORT_SYMBOL(danube_port_clear_stoff); +EXPORT_SYMBOL(ifxmips_port_clear_stoff); int -danube_port_set_dir_out (unsigned int port, unsigned int pin) +ifxmips_port_set_dir_out (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_DIR + (port * 0x30)) | (1 << pin), IFXMIPS_GPIO_P0_DIR); return 0; } -EXPORT_SYMBOL(danube_port_set_dir_out); +EXPORT_SYMBOL(ifxmips_port_set_dir_out); int -danube_port_set_dir_in (unsigned int port, unsigned int pin) +ifxmips_port_set_dir_in (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_DIR + (port * 0x30)) & ~(1 << pin), IFXMIPS_GPIO_P0_DIR); return 0; } -EXPORT_SYMBOL(danube_port_set_dir_in); +EXPORT_SYMBOL(ifxmips_port_set_dir_in); int -danube_port_set_output (unsigned int port, unsigned int pin) +ifxmips_port_set_output (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_OUT + (port * 0x30)) | (1 << pin), IFXMIPS_GPIO_P0_OUT); return 0; } -EXPORT_SYMBOL(danube_port_set_output); +EXPORT_SYMBOL(ifxmips_port_set_output); int -danube_port_clear_output (unsigned int port, unsigned int pin) +ifxmips_port_clear_output (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_OUT + (port * 0x30)) & ~(1 << pin), IFXMIPS_GPIO_P0_OUT); return 0; } -EXPORT_SYMBOL(danube_port_clear_output); +EXPORT_SYMBOL(ifxmips_port_clear_output); int -danube_port_get_input (unsigned int port, unsigned int pin) +ifxmips_port_get_input (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; @@ -190,49 +190,49 @@ danube_port_get_input (unsigned int port, unsigned int pin) else return 1; } -EXPORT_SYMBOL(danube_port_get_input); +EXPORT_SYMBOL(ifxmips_port_get_input); int -danube_port_set_altsel0 (unsigned int port, unsigned int pin) +ifxmips_port_set_altsel0 (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0x30)) | (1 << pin), IFXMIPS_GPIO_P0_ALTSEL0); return 0; } -EXPORT_SYMBOL(danube_port_set_altsel0); +EXPORT_SYMBOL(ifxmips_port_set_altsel0); int -danube_port_clear_altsel0 (unsigned int port, unsigned int pin) +ifxmips_port_clear_altsel0 (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0x30)) & ~(1 << pin), IFXMIPS_GPIO_P0_ALTSEL0); return 0; } -EXPORT_SYMBOL(danube_port_clear_altsel0); +EXPORT_SYMBOL(ifxmips_port_clear_altsel0); int -danube_port_set_altsel1 (unsigned int port, unsigned int pin) +ifxmips_port_set_altsel1 (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0x30)) | (1 << pin), IFXMIPS_GPIO_P0_ALTSEL1); return 0; } -EXPORT_SYMBOL(danube_port_set_altsel1); +EXPORT_SYMBOL(ifxmips_port_set_altsel1); int -danube_port_clear_altsel1 (unsigned int port, unsigned int pin) +ifxmips_port_clear_altsel1 (unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; writel(readl(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0x30)) & ~(1 << pin), IFXMIPS_GPIO_P0_ALTSEL1); return 0; } -EXPORT_SYMBOL(danube_port_clear_altsel1); +EXPORT_SYMBOL(ifxmips_port_clear_altsel1); -long danube_port_read_procmem_helper(char* tag, u32* in_reg, char *buf) +long ifxmips_port_read_procmem_helper(char* tag, u32* in_reg, char *buf) { u32 reg, bit = 0; unsigned int len, t; @@ -252,10 +252,10 @@ long danube_port_read_procmem_helper(char* tag, u32* in_reg, char *buf) } int -danube_port_read_procmem (char *buf, char **start, off_t offset, int count, +ifxmips_port_read_procmem (char *buf, char **start, off_t offset, int count, int *eof, void *data) { - long len = sprintf (buf, "\nDanube Port Settings\n"); + long len = sprintf (buf, "\nIFXMips Port Settings\n"); len += sprintf (buf + len, " 3 2 1 0\n"); @@ -264,24 +264,24 @@ danube_port_read_procmem (char *buf, char **start, off_t offset, int count, len += sprintf (buf + len, "----------------------------------------\n"); - len += danube_port_read_procmem_helper("P0-OUT", IFXMIPS_GPIO_P0_OUT, &buf[len]); - len += danube_port_read_procmem_helper("P1-OUT", IFXMIPS_GPIO_P1_OUT, &buf[len]); - len += danube_port_read_procmem_helper("P0-IN ", IFXMIPS_GPIO_P0_IN, &buf[len]); - len += danube_port_read_procmem_helper("P1-IN ", IFXMIPS_GPIO_P1_IN, &buf[len]); - len += danube_port_read_procmem_helper("P0-DIR", IFXMIPS_GPIO_P0_DIR, &buf[len]); - len += danube_port_read_procmem_helper("P1-DIR", IFXMIPS_GPIO_P1_DIR, &buf[len]); - len += danube_port_read_procmem_helper("P0-STO ", IFXMIPS_GPIO_P0_STOFF, &buf[len]); - len += danube_port_read_procmem_helper("P1-STO ", IFXMIPS_GPIO_P1_STOFF, &buf[len]); - len += danube_port_read_procmem_helper("P0-PUDE", IFXMIPS_GPIO_P0_PUDEN, &buf[len]); - len += danube_port_read_procmem_helper("P1-PUDE", IFXMIPS_GPIO_P1_PUDEN, &buf[len]); - len += danube_port_read_procmem_helper("P0-OD ", IFXMIPS_GPIO_P0_OD, &buf[len]); - len += danube_port_read_procmem_helper("P1-OD ", IFXMIPS_GPIO_P1_OD, &buf[len]); - len += danube_port_read_procmem_helper("P0-PUDS", IFXMIPS_GPIO_P0_PUDSEL, &buf[len]); - len += danube_port_read_procmem_helper("P1-PUDS", IFXMIPS_GPIO_P1_PUDSEL, &buf[len]); - len += danube_port_read_procmem_helper("P0-ALT0", IFXMIPS_GPIO_P0_ALTSEL0, &buf[len]); - len += danube_port_read_procmem_helper("P1-ALT0", IFXMIPS_GPIO_P1_ALTSEL0, &buf[len]); - len += danube_port_read_procmem_helper("P0-ALT1", IFXMIPS_GPIO_P0_ALTSEL1, &buf[len]); - len += danube_port_read_procmem_helper("P1-ALT1", IFXMIPS_GPIO_P1_ALTSEL1, &buf[len]); + len += ifxmips_port_read_procmem_helper("P0-OUT", IFXMIPS_GPIO_P0_OUT, &buf[len]); + len += ifxmips_port_read_procmem_helper("P1-OUT", IFXMIPS_GPIO_P1_OUT, &buf[len]); + len += ifxmips_port_read_procmem_helper("P0-IN ", IFXMIPS_GPIO_P0_IN, &buf[len]); + len += ifxmips_port_read_procmem_helper("P1-IN ", IFXMIPS_GPIO_P1_IN, &buf[len]); + len += ifxmips_port_read_procmem_helper("P0-DIR", IFXMIPS_GPIO_P0_DIR, &buf[len]); + len += ifxmips_port_read_procmem_helper("P1-DIR", IFXMIPS_GPIO_P1_DIR, &buf[len]); + len += ifxmips_port_read_procmem_helper("P0-STO ", IFXMIPS_GPIO_P0_STOFF, &buf[len]); + len += ifxmips_port_read_procmem_helper("P1-STO ", IFXMIPS_GPIO_P1_STOFF, &buf[len]); + len += ifxmips_port_read_procmem_helper("P0-PUDE", IFXMIPS_GPIO_P0_PUDEN, &buf[len]); + len += ifxmips_port_read_procmem_helper("P1-PUDE", IFXMIPS_GPIO_P1_PUDEN, &buf[len]); + len += ifxmips_port_read_procmem_helper("P0-OD ", IFXMIPS_GPIO_P0_OD, &buf[len]); + len += ifxmips_port_read_procmem_helper("P1-OD ", IFXMIPS_GPIO_P1_OD, &buf[len]); + len += ifxmips_port_read_procmem_helper("P0-PUDS", IFXMIPS_GPIO_P0_PUDSEL, &buf[len]); + len += ifxmips_port_read_procmem_helper("P1-PUDS", IFXMIPS_GPIO_P1_PUDSEL, &buf[len]); + len += ifxmips_port_read_procmem_helper("P0-ALT0", IFXMIPS_GPIO_P0_ALTSEL0, &buf[len]); + len += ifxmips_port_read_procmem_helper("P1-ALT0", IFXMIPS_GPIO_P1_ALTSEL0, &buf[len]); + len += ifxmips_port_read_procmem_helper("P0-ALT1", IFXMIPS_GPIO_P0_ALTSEL1, &buf[len]); + len += ifxmips_port_read_procmem_helper("P1-ALT1", IFXMIPS_GPIO_P1_ALTSEL1, &buf[len]); len = len + sprintf (buf + len, "\n\n"); *eof = 1; @@ -290,23 +290,23 @@ danube_port_read_procmem (char *buf, char **start, off_t offset, int count, } static int -danube_port_open (struct inode *inode, struct file *filep) +ifxmips_port_open (struct inode *inode, struct file *filep) { return 0; } static int -danube_port_release (struct inode *inode, struct file *filelp) +ifxmips_port_release (struct inode *inode, struct file *filelp) { return 0; } static int -danube_port_ioctl (struct inode *inode, struct file *filp, +ifxmips_port_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { int ret = 0; - volatile struct danube_port_ioctl_parm parm; + volatile struct ifxmips_port_ioctl_parm parm; if (_IOC_TYPE (cmd) != IFXMIPS_PORT_IOC_MAGIC) return -EINVAL; @@ -314,15 +314,15 @@ danube_port_ioctl (struct inode *inode, struct file *filp, if (_IOC_DIR (cmd) & _IOC_WRITE) { if (!access_ok (VERIFY_READ, arg, - sizeof (struct danube_port_ioctl_parm))) + sizeof (struct ifxmips_port_ioctl_parm))) return -EFAULT; ret = copy_from_user ((void *) &parm, (void *) arg, - sizeof (struct danube_port_ioctl_parm)); + sizeof (struct ifxmips_port_ioctl_parm)); } if (_IOC_DIR (cmd) & _IOC_READ) { if (!access_ok (VERIFY_WRITE, arg, - sizeof (struct danube_port_ioctl_parm))) + sizeof (struct ifxmips_port_ioctl_parm))) return -EFAULT; } @@ -332,64 +332,64 @@ danube_port_ioctl (struct inode *inode, struct file *filp, switch (cmd) { case IFXMIPS_PORT_IOCOD: if (parm.value == 0x00) - danube_port_clear_open_drain(parm.port, parm.pin); + ifxmips_port_clear_open_drain(parm.port, parm.pin); else - danube_port_set_open_drain(parm.port, parm.pin); + ifxmips_port_set_open_drain(parm.port, parm.pin); break; case IFXMIPS_PORT_IOCPUDSEL: if (parm.value == 0x00) - danube_port_clear_pudsel(parm.port, parm.pin); + ifxmips_port_clear_pudsel(parm.port, parm.pin); else - danube_port_set_pudsel(parm.port, parm.pin); + ifxmips_port_set_pudsel(parm.port, parm.pin); break; case IFXMIPS_PORT_IOCPUDEN: if (parm.value == 0x00) - danube_port_clear_puden(parm.port, parm.pin); + ifxmips_port_clear_puden(parm.port, parm.pin); else - danube_port_set_puden(parm.port, parm.pin); + ifxmips_port_set_puden(parm.port, parm.pin); break; case IFXMIPS_PORT_IOCSTOFF: if (parm.value == 0x00) - danube_port_clear_stoff(parm.port, parm.pin); + ifxmips_port_clear_stoff(parm.port, parm.pin); else - danube_port_set_stoff(parm.port, parm.pin); + ifxmips_port_set_stoff(parm.port, parm.pin); break; case IFXMIPS_PORT_IOCDIR: if (parm.value == 0x00) - danube_port_set_dir_in(parm.port, parm.pin); + ifxmips_port_set_dir_in(parm.port, parm.pin); else - danube_port_set_dir_out(parm.port, parm.pin); + ifxmips_port_set_dir_out(parm.port, parm.pin); break; case IFXMIPS_PORT_IOCOUTPUT: if (parm.value == 0x00) - danube_port_clear_output(parm.port, parm.pin); + ifxmips_port_clear_output(parm.port, parm.pin); else - danube_port_set_output(parm.port, parm.pin); + ifxmips_port_set_output(parm.port, parm.pin); break; case IFXMIPS_PORT_IOCALTSEL0: if (parm.value == 0x00) - danube_port_clear_altsel0(parm.port, parm.pin); + ifxmips_port_clear_altsel0(parm.port, parm.pin); else - danube_port_set_altsel0(parm.port, parm.pin); + ifxmips_port_set_altsel0(parm.port, parm.pin); break; case IFXMIPS_PORT_IOCALTSEL1: if (parm.value == 0x00) - danube_port_clear_altsel1(parm.port, parm.pin); + ifxmips_port_clear_altsel1(parm.port, parm.pin); else - danube_port_set_altsel1(parm.port, parm.pin); + ifxmips_port_set_altsel1(parm.port, parm.pin); break; case IFXMIPS_PORT_IOCINPUT: - parm.value = danube_port_get_input(parm.port, parm.pin); + parm.value = ifxmips_port_get_input(parm.port, parm.pin); copy_to_user((void*)arg, (void*)&parm, - sizeof(struct danube_port_ioctl_parm)); + sizeof(struct ifxmips_port_ioctl_parm)); break; default: @@ -402,41 +402,41 @@ danube_port_ioctl (struct inode *inode, struct file *filp, } static struct file_operations port_fops = { - .open = danube_port_open, - .release = danube_port_release, - .ioctl = danube_port_ioctl + .open = ifxmips_port_open, + .release = ifxmips_port_release, + .ioctl = ifxmips_port_ioctl }; int __init -danube_gpio_init (void) +ifxmips_gpio_init (void) { int retval = 0; sema_init (&port_sem, 1); - danube_gpio_major = register_chrdev(0, "danube_gpio", &port_fops); - if (!danube_gpio_major) + ifxmips_gpio_major = register_chrdev(0, "ifxmips_gpio", &port_fops); + if (!ifxmips_gpio_major) { - printk("danube-port: Error! Could not register port device. #%d\n", danube_gpio_major); + printk("ifxmips-port: Error! Could not register port device. #%d\n", ifxmips_gpio_major); retval = -EINVAL; goto out; } - create_proc_read_entry("danube_gpio", 0, NULL, - danube_port_read_procmem, NULL); + create_proc_read_entry("ifxmips_gpio", 0, NULL, + ifxmips_port_read_procmem, NULL); - printk("registered danube gpio driver\n"); + printk("registered ifxmips gpio driver\n"); out: return retval; } void __exit -danube_gpio_exit (void) +ifxmips_gpio_exit (void) { - unregister_chrdev(danube_gpio_major, "danube_gpio"); - remove_proc_entry("danube_gpio", NULL); + unregister_chrdev(ifxmips_gpio_major, "ifxmips_gpio"); + remove_proc_entry("ifxmips_gpio", NULL); } -module_init(danube_gpio_init); -module_exit(danube_gpio_exit); +module_init(ifxmips_gpio_init); +module_exit(ifxmips_gpio_exit); |