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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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viafb: switch to seq_file
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Scott Fang <ScottFang@viatech.com.cn> Cc: Joseph Chan <JosephChan@via.com.tw> Cc: Harald Welte <laforge@gnumonks.org> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
Linus Torvalds
parent
c3e2567384
commit
afbd3c12ac
@ -20,6 +20,7 @@
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*/
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#include <linux/module.h>
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#include <linux/seq_file.h>
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#define _MASTER_FILE
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#include "global.h"
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@ -1485,10 +1486,8 @@ static void parse_dvi_port(void)
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* DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
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* CR9B, SR65, CR97, CR99
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*/
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static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset,
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int count, int *eof, void *data)
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static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
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{
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int len = 0;
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u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
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dvp0_data_dri =
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(viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
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@ -1497,13 +1496,17 @@ int count, int *eof, void *data)
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(viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
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(viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
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dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
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len +=
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sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
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*eof = 1; /*Inform kernel end of data */
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return len;
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seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
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return 0;
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}
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static int viafb_dvp0_proc_write(struct file *file,
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const char __user *buffer, unsigned long count, void *data)
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static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, viafb_dvp0_proc_show, NULL);
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}
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static ssize_t viafb_dvp0_proc_write(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos)
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{
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char buf[20], *value, *pbuf;
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u8 reg_val = 0;
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@ -1547,21 +1550,33 @@ static int viafb_dvp0_proc_write(struct file *file,
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}
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return count;
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}
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static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset,
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int count, int *eof, void *data)
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static const struct file_operations viafb_dvp0_proc_fops = {
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.owner = THIS_MODULE,
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.open = viafb_dvp0_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = viafb_dvp0_proc_write,
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};
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static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
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{
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int len = 0;
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u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
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dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
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dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
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dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
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len +=
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sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
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*eof = 1; /*Inform kernel end of data */
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return len;
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seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
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return 0;
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}
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static int viafb_dvp1_proc_write(struct file *file,
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const char __user *buffer, unsigned long count, void *data)
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static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, viafb_dvp1_proc_show, NULL);
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}
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static ssize_t viafb_dvp1_proc_write(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos)
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{
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char buf[20], *value, *pbuf;
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u8 reg_val = 0;
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@ -1600,18 +1615,30 @@ static int viafb_dvp1_proc_write(struct file *file,
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return count;
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}
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static int viafb_dfph_proc_read(char *buf, char **start, off_t offset,
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int count, int *eof, void *data)
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static const struct file_operations viafb_dvp1_proc_fops = {
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.owner = THIS_MODULE,
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.open = viafb_dvp1_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = viafb_dvp1_proc_write,
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};
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static int viafb_dfph_proc_show(struct seq_file *m, void *v)
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{
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int len = 0;
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u8 dfp_high = 0;
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dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
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len += sprintf(buf + len, "%x\n", dfp_high);
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*eof = 1; /*Inform kernel end of data */
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return len;
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seq_printf(m, "%x\n", dfp_high);
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return 0;
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}
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static int viafb_dfph_proc_write(struct file *file,
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const char __user *buffer, unsigned long count, void *data)
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static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, viafb_dfph_proc_show, NULL);
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}
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static ssize_t viafb_dfph_proc_write(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos)
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{
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char buf[20];
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u8 reg_val = 0;
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@ -1626,18 +1653,31 @@ static int viafb_dfph_proc_write(struct file *file,
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viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
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return count;
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}
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static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset,
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int count, int *eof, void *data)
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static const struct file_operations viafb_dfph_proc_fops = {
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.owner = THIS_MODULE,
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.open = viafb_dfph_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = viafb_dfph_proc_write,
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};
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static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
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{
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int len = 0;
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u8 dfp_low = 0;
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dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
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len += sprintf(buf + len, "%x\n", dfp_low);
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*eof = 1; /*Inform kernel end of data */
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return len;
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seq_printf(m, "%x\n", dfp_low);
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return 0;
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}
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static int viafb_dfpl_proc_write(struct file *file,
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const char __user *buffer, unsigned long count, void *data)
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static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, viafb_dfpl_proc_show, NULL);
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}
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static ssize_t viafb_dfpl_proc_write(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos)
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{
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char buf[20];
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u8 reg_val = 0;
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@ -1652,10 +1692,18 @@ static int viafb_dfpl_proc_write(struct file *file,
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viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
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return count;
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}
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static int viafb_vt1636_proc_read(char *buf, char **start,
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off_t offset, int count, int *eof, void *data)
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static const struct file_operations viafb_dfpl_proc_fops = {
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.owner = THIS_MODULE,
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.open = viafb_dfpl_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = viafb_dfpl_proc_write,
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};
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static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
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{
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int len = 0;
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u8 vt1636_08 = 0, vt1636_09 = 0;
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switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
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case VT1636_LVDS:
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@ -1665,7 +1713,7 @@ static int viafb_vt1636_proc_read(char *buf, char **start,
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vt1636_09 =
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viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
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&viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
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len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09);
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seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
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break;
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default:
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break;
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@ -1678,16 +1726,21 @@ static int viafb_vt1636_proc_read(char *buf, char **start,
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vt1636_09 =
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viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
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&viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
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len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09);
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seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
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break;
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default:
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break;
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}
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*eof = 1; /*Inform kernel end of data */
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return len;
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return 0;
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}
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static int viafb_vt1636_proc_write(struct file *file,
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const char __user *buffer, unsigned long count, void *data)
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static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, viafb_vt1636_proc_show, NULL);
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}
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static ssize_t viafb_vt1636_proc_write(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos)
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{
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char buf[30], *value, *pbuf;
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struct IODATA reg_val;
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@ -1776,39 +1829,27 @@ static int viafb_vt1636_proc_write(struct file *file,
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return count;
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}
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static const struct file_operations viafb_vt1636_proc_fops = {
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.owner = THIS_MODULE,
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.open = viafb_vt1636_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = viafb_vt1636_proc_write,
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};
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static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
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{
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struct proc_dir_entry *entry;
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*viafb_entry = proc_mkdir("viafb", NULL);
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if (viafb_entry) {
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entry = create_proc_entry("dvp0", 0, *viafb_entry);
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if (entry) {
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entry->read_proc = viafb_dvp0_proc_read;
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entry->write_proc = viafb_dvp0_proc_write;
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}
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entry = create_proc_entry("dvp1", 0, *viafb_entry);
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if (entry) {
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entry->read_proc = viafb_dvp1_proc_read;
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entry->write_proc = viafb_dvp1_proc_write;
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}
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entry = create_proc_entry("dfph", 0, *viafb_entry);
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if (entry) {
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entry->read_proc = viafb_dfph_proc_read;
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entry->write_proc = viafb_dfph_proc_write;
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}
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entry = create_proc_entry("dfpl", 0, *viafb_entry);
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if (entry) {
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entry->read_proc = viafb_dfpl_proc_read;
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entry->write_proc = viafb_dfpl_proc_write;
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}
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proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
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proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
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proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
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proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
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if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
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lvds_chip_name || VT1636_LVDS ==
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viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
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entry = create_proc_entry("vt1636", 0, *viafb_entry);
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if (entry) {
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entry->read_proc = viafb_vt1636_proc_read;
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entry->write_proc = viafb_vt1636_proc_write;
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}
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proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
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}
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}
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