diff options
| -rw-r--r-- | drivers/video/via/viafbdev.c | 179 |
1 files changed, 110 insertions, 69 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 66921de373f..7626325ed7f 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -20,6 +20,7 @@ */ #include <linux/module.h> +#include <linux/seq_file.h> #define _MASTER_FILE #include "global.h" @@ -1485,10 +1486,8 @@ static void parse_dvi_port(void) * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], * CR9B, SR65, CR97, CR99 */ -static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset, -int count, int *eof, void *data) +static int viafb_dvp0_proc_show(struct seq_file *m, void *v) { - int len = 0; u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0; dvp0_data_dri = (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 | @@ -1497,13 +1496,17 @@ int count, int *eof, void *data) (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 | (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2; dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f; - len += - sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri); - *eof = 1; /*Inform kernel end of data */ - return len; + seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri); + return 0; +} + +static int viafb_dvp0_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, viafb_dvp0_proc_show, NULL); } -static int viafb_dvp0_proc_write(struct file *file, - const char __user *buffer, unsigned long count, void *data) + +static ssize_t viafb_dvp0_proc_write(struct file *file, + const char __user *buffer, size_t count, loff_t *pos) { char buf[20], *value, *pbuf; u8 reg_val = 0; @@ -1547,21 +1550,33 @@ static int viafb_dvp0_proc_write(struct file *file, } return count; } -static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset, - int count, int *eof, void *data) + +static const struct file_operations viafb_dvp0_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_dvp0_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = viafb_dvp0_proc_write, +}; + +static int viafb_dvp1_proc_show(struct seq_file *m, void *v) { - int len = 0; u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0; dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f; dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2; dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03; - len += - sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri); - *eof = 1; /*Inform kernel end of data */ - return len; + seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri); + return 0; +} + +static int viafb_dvp1_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, viafb_dvp1_proc_show, NULL); } -static int viafb_dvp1_proc_write(struct file *file, - const char __user *buffer, unsigned long count, void *data) + +static ssize_t viafb_dvp1_proc_write(struct file *file, + const char __user *buffer, size_t count, loff_t *pos) { char buf[20], *value, *pbuf; u8 reg_val = 0; @@ -1600,18 +1615,30 @@ static int viafb_dvp1_proc_write(struct file *file, return count; } -static int viafb_dfph_proc_read(char *buf, char **start, off_t offset, - int count, int *eof, void *data) +static const struct file_operations viafb_dvp1_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_dvp1_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = viafb_dvp1_proc_write, +}; + +static int viafb_dfph_proc_show(struct seq_file *m, void *v) { - int len = 0; u8 dfp_high = 0; dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f; - len += sprintf(buf + len, "%x\n", dfp_high); - *eof = 1; /*Inform kernel end of data */ - return len; + seq_printf(m, "%x\n", dfp_high); + return 0; } -static int viafb_dfph_proc_write(struct file *file, - const char __user *buffer, unsigned long count, void *data) + +static int viafb_dfph_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, viafb_dfph_proc_show, NULL); +} + +static ssize_t viafb_dfph_proc_write(struct file *file, + const char __user *buffer, size_t count, loff_t *pos) { char buf[20]; u8 reg_val = 0; @@ -1626,18 +1653,31 @@ static int viafb_dfph_proc_write(struct file *file, viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f); return count; } -static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset, - int count, int *eof, void *data) + +static const struct file_operations viafb_dfph_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_dfph_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = viafb_dfph_proc_write, +}; + +static int viafb_dfpl_proc_show(struct seq_file *m, void *v) { - int len = 0; u8 dfp_low = 0; dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f; - len += sprintf(buf + len, "%x\n", dfp_low); - *eof = 1; /*Inform kernel end of data */ - return len; + seq_printf(m, "%x\n", dfp_low); + return 0; +} + +static int viafb_dfpl_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, viafb_dfpl_proc_show, NULL); } -static int viafb_dfpl_proc_write(struct file *file, - const char __user *buffer, unsigned long count, void *data) + +static ssize_t viafb_dfpl_proc_write(struct file *file, + const char __user *buffer, size_t count, loff_t *pos) { char buf[20]; u8 reg_val = 0; @@ -1652,10 +1692,18 @@ static int viafb_dfpl_proc_write(struct file *file, viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f); return count; } -static int viafb_vt1636_proc_read(char *buf, char **start, - off_t offset, int count, int *eof, void *data) + +static const struct file_operations viafb_dfpl_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_dfpl_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = viafb_dfpl_proc_write, +}; + +static int viafb_vt1636_proc_show(struct seq_file *m, void *v) { - int len = 0; u8 vt1636_08 = 0, vt1636_09 = 0; switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { case VT1636_LVDS: @@ -1665,7 +1713,7 @@ static int viafb_vt1636_proc_read(char *buf, char **start, vt1636_09 = viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f; - len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09); + seq_printf(m, "%x %x\n", vt1636_08, vt1636_09); break; default: break; @@ -1678,16 +1726,21 @@ static int viafb_vt1636_proc_read(char *buf, char **start, vt1636_09 = viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f; - len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09); + seq_printf(m, " %x %x\n", vt1636_08, vt1636_09); break; default: break; } - *eof = 1; /*Inform kernel end of data */ - return len; + return 0; } -static int viafb_vt1636_proc_write(struct file *file, - const char __user *buffer, unsigned long count, void *data) + +static int viafb_vt1636_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, viafb_vt1636_proc_show, NULL); +} + +static ssize_t viafb_vt1636_proc_write(struct file *file, + const char __user *buffer, size_t count, loff_t *pos) { char buf[30], *value, *pbuf; struct IODATA reg_val; @@ -1776,39 +1829,27 @@ static int viafb_vt1636_proc_write(struct file *file, return count; } +static const struct file_operations viafb_vt1636_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_vt1636_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = viafb_vt1636_proc_write, +}; + static void viafb_init_proc(struct proc_dir_entry **viafb_entry) { - struct proc_dir_entry *entry; *viafb_entry = proc_mkdir("viafb", NULL); if (viafb_entry) { - entry = create_proc_entry("dvp0", 0, *viafb_entry); - if (entry) { - entry->read_proc = viafb_dvp0_proc_read; - entry->write_proc = viafb_dvp0_proc_write; - } - entry = create_proc_entry("dvp1", 0, *viafb_entry); - if (entry) { - entry->read_proc = viafb_dvp1_proc_read; - entry->write_proc = viafb_dvp1_proc_write; - } - entry = create_proc_entry("dfph", 0, *viafb_entry); - if (entry) { - entry->read_proc = viafb_dfph_proc_read; - entry->write_proc = viafb_dfph_proc_write; - } - entry = create_proc_entry("dfpl", 0, *viafb_entry); - if (entry) { - entry->read_proc = viafb_dfpl_proc_read; - entry->write_proc = viafb_dfpl_proc_write; - } + proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops); + proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops); + proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops); + proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops); if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info. lvds_chip_name || VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { - entry = create_proc_entry("vt1636", 0, *viafb_entry); - if (entry) { - entry->read_proc = viafb_vt1636_proc_read; - entry->write_proc = viafb_vt1636_proc_write; - } + proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops); } } |