mirror of https://gitee.com/openkylin/linux.git
189 lines
5.8 KiB
C
189 lines
5.8 KiB
C
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#include <linux/debugfs.h>
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#define BIG_BUFFER_SIZE (1024)
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static char big_buffer[BIG_BUFFER_SIZE];
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struct mbxfb_debugfs_data {
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struct dentry *dir;
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struct dentry *sysconf;
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struct dentry *clock;
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struct dentry *display;
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struct dentry *gsctl;
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};
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static int open_file_generic(struct inode *inode, struct file *file)
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{
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file->private_data = inode->u.generic_ip;
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return 0;
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}
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static ssize_t write_file_dummy(struct file *file, const char __user *buf,
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size_t count, loff_t *ppos)
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{
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return count;
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}
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static ssize_t sysconf_read_file(struct file *file, char __user *userbuf,
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size_t count, loff_t *ppos)
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{
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char * s = big_buffer;
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s += sprintf(s, "SYSCFG = %08lx\n", SYSCFG);
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s += sprintf(s, "PFBASE = %08lx\n", PFBASE);
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s += sprintf(s, "PFCEIL = %08lx\n", PFCEIL);
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s += sprintf(s, "POLLFLAG = %08lx\n", POLLFLAG);
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s += sprintf(s, "SYSRST = %08lx\n", SYSRST);
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return simple_read_from_buffer(userbuf, count, ppos,
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big_buffer, s-big_buffer);
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}
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static ssize_t gsctl_read_file(struct file *file, char __user *userbuf,
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size_t count, loff_t *ppos)
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{
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char * s = big_buffer;
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s += sprintf(s, "GSCTRL = %08lx\n", GSCTRL);
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s += sprintf(s, "VSCTRL = %08lx\n", VSCTRL);
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s += sprintf(s, "GBBASE = %08lx\n", GBBASE);
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s += sprintf(s, "VBBASE = %08lx\n", VBBASE);
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s += sprintf(s, "GDRCTRL = %08lx\n", GDRCTRL);
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s += sprintf(s, "VCMSK = %08lx\n", VCMSK);
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s += sprintf(s, "GSCADR = %08lx\n", GSCADR);
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s += sprintf(s, "VSCADR = %08lx\n", VSCADR);
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s += sprintf(s, "VUBASE = %08lx\n", VUBASE);
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s += sprintf(s, "VVBASE = %08lx\n", VVBASE);
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s += sprintf(s, "GSADR = %08lx\n", GSADR);
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s += sprintf(s, "VSADR = %08lx\n", VSADR);
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s += sprintf(s, "HCCTRL = %08lx\n", HCCTRL);
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s += sprintf(s, "HCSIZE = %08lx\n", HCSIZE);
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s += sprintf(s, "HCPOS = %08lx\n", HCPOS);
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s += sprintf(s, "HCBADR = %08lx\n", HCBADR);
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s += sprintf(s, "HCCKMSK = %08lx\n", HCCKMSK);
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s += sprintf(s, "GPLUT = %08lx\n", GPLUT);
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return simple_read_from_buffer(userbuf, count, ppos,
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big_buffer, s-big_buffer);
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}
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static ssize_t display_read_file(struct file *file, char __user *userbuf,
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size_t count, loff_t *ppos)
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{
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char * s = big_buffer;
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s += sprintf(s, "DSCTRL = %08lx\n", DSCTRL);
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s += sprintf(s, "DHT01 = %08lx\n", DHT01);
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s += sprintf(s, "DHT02 = %08lx\n", DHT02);
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s += sprintf(s, "DHT03 = %08lx\n", DHT03);
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s += sprintf(s, "DVT01 = %08lx\n", DVT01);
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s += sprintf(s, "DVT02 = %08lx\n", DVT02);
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s += sprintf(s, "DVT03 = %08lx\n", DVT03);
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s += sprintf(s, "DBCOL = %08lx\n", DBCOL);
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s += sprintf(s, "BGCOLOR = %08lx\n", BGCOLOR);
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s += sprintf(s, "DINTRS = %08lx\n", DINTRS);
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s += sprintf(s, "DINTRE = %08lx\n", DINTRE);
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s += sprintf(s, "DINTRCNT = %08lx\n", DINTRCNT);
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s += sprintf(s, "DSIG = %08lx\n", DSIG);
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s += sprintf(s, "DMCTRL = %08lx\n", DMCTRL);
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s += sprintf(s, "CLIPCTRL = %08lx\n", CLIPCTRL);
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s += sprintf(s, "SPOCTRL = %08lx\n", SPOCTRL);
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s += sprintf(s, "SVCTRL = %08lx\n", SVCTRL);
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s += sprintf(s, "DLSTS = %08lx\n", DLSTS);
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s += sprintf(s, "DLLCTRL = %08lx\n", DLLCTRL);
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s += sprintf(s, "DVLNUM = %08lx\n", DVLNUM);
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s += sprintf(s, "DUCTRL = %08lx\n", DUCTRL);
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s += sprintf(s, "DVECTRL = %08lx\n", DVECTRL);
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s += sprintf(s, "DHDET = %08lx\n", DHDET);
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s += sprintf(s, "DVDET = %08lx\n", DVDET);
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s += sprintf(s, "DODMSK = %08lx\n", DODMSK);
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s += sprintf(s, "CSC01 = %08lx\n", CSC01);
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s += sprintf(s, "CSC02 = %08lx\n", CSC02);
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s += sprintf(s, "CSC03 = %08lx\n", CSC03);
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s += sprintf(s, "CSC04 = %08lx\n", CSC04);
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s += sprintf(s, "CSC05 = %08lx\n", CSC05);
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return simple_read_from_buffer(userbuf, count, ppos,
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big_buffer, s-big_buffer);
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}
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static ssize_t clock_read_file(struct file *file, char __user *userbuf,
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size_t count, loff_t *ppos)
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{
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char * s = big_buffer;
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s += sprintf(s, "SYSCLKSRC = %08lx\n", SYSCLKSRC);
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s += sprintf(s, "PIXCLKSRC = %08lx\n", PIXCLKSRC);
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s += sprintf(s, "CLKSLEEP = %08lx\n", CLKSLEEP);
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s += sprintf(s, "COREPLL = %08lx\n", COREPLL);
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s += sprintf(s, "DISPPLL = %08lx\n", DISPPLL);
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s += sprintf(s, "PLLSTAT = %08lx\n", PLLSTAT);
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s += sprintf(s, "VOVRCLK = %08lx\n", VOVRCLK);
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s += sprintf(s, "PIXCLK = %08lx\n", PIXCLK);
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s += sprintf(s, "MEMCLK = %08lx\n", MEMCLK);
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s += sprintf(s, "M24CLK = %08lx\n", M24CLK);
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s += sprintf(s, "MBXCLK = %08lx\n", MBXCLK);
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s += sprintf(s, "SDCLK = %08lx\n", SDCLK);
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s += sprintf(s, "PIXCLKDIV = %08lx\n", PIXCLKDIV);
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return simple_read_from_buffer(userbuf, count, ppos,
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big_buffer, s-big_buffer);
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}
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static struct file_operations sysconf_fops = {
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.read = sysconf_read_file,
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.write = write_file_dummy,
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.open = open_file_generic,
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};
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static struct file_operations clock_fops = {
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.read = clock_read_file,
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.write = write_file_dummy,
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.open = open_file_generic,
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};
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static struct file_operations display_fops = {
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.read = display_read_file,
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.write = write_file_dummy,
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.open = open_file_generic,
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};
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static struct file_operations gsctl_fops = {
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.read = gsctl_read_file,
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.write = write_file_dummy,
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.open = open_file_generic,
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};
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static void __devinit mbxfb_debugfs_init(struct fb_info *fbi)
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{
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struct mbxfb_info *mfbi = fbi->par;
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struct mbxfb_debugfs_data *dbg;
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dbg = kzalloc(sizeof(struct mbxfb_debugfs_data), GFP_KERNEL);
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mfbi->debugfs_data = dbg;
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dbg->dir = debugfs_create_dir("mbxfb", NULL);
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dbg->sysconf = debugfs_create_file("sysconf", 0444, dbg->dir,
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fbi, &sysconf_fops);
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dbg->clock = debugfs_create_file("clock", 0444, dbg->dir,
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fbi, &clock_fops);
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dbg->display = debugfs_create_file("display", 0444, dbg->dir,
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fbi, &display_fops);
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dbg->gsctl = debugfs_create_file("gsctl", 0444, dbg->dir,
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fbi, &gsctl_fops);
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}
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static void __devexit mbxfb_debugfs_remove(struct fb_info *fbi)
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{
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struct mbxfb_info *mfbi = fbi->par;
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struct mbxfb_debugfs_data *dbg = mfbi->debugfs_data;
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debugfs_remove(dbg->gsctl);
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debugfs_remove(dbg->display);
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debugfs_remove(dbg->clock);
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debugfs_remove(dbg->sysconf);
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debugfs_remove(dbg->dir);
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}
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