drivers/video/mbx/mbxdebugfs.c

   1 #include <linux/debugfs.h>
   2
   3 #define BIG_BUFFER_SIZE (1024)
   4
   5 static char big_buffer[BIG_BUFFER_SIZE];
   6
   7 struct mbxfb_debugfs_data {
   8         struct dentry *dir;
   9         struct dentry *sysconf;
  10         struct dentry *clock;
  11         struct dentry *display;
  12         struct dentry *gsctl;
  13         struct dentry *sdram;
  14         struct dentry *misc;
  15 };
  16
  17 static int open_file_generic(struct inode *inode, struct file *file)
  18 {
  19         file->private_data = inode->u.generic_ip;
  20         return 0;
  21 }
  22
  23 static ssize_t write_file_dummy(struct file *file, const char __user *buf,
  24                                 size_t count, loff_t *ppos)
  25 {
  26         return count;
  27 }
  28
  29 static ssize_t sysconf_read_file(struct file *file, char __user *userbuf,
  30                                  size_t count, loff_t *ppos)
  31 {
  32         char * s = big_buffer;
  33
  34         s += sprintf(s, "SYSCFG = %08x\n", readl(SYSCFG));
  35         s += sprintf(s, "PFBASE = %08x\n", readl(PFBASE));
  36         s += sprintf(s, "PFCEIL = %08x\n", readl(PFCEIL));
  37         s += sprintf(s, "POLLFLAG = %08x\n", readl(POLLFLAG));
  38         s += sprintf(s, "SYSRST = %08x\n", readl(SYSRST));
  39
  40         return  simple_read_from_buffer(userbuf, count, ppos,
  41                                         big_buffer, s-big_buffer);
  42 }
  43
  44
  45 static ssize_t gsctl_read_file(struct file *file, char __user *userbuf,
  46                                size_t count, loff_t *ppos)
  47 {
  48         char * s = big_buffer;
  49
  50         s += sprintf(s, "GSCTRL = %08x\n", readl(GSCTRL));
  51         s += sprintf(s, "VSCTRL = %08x\n", readl(VSCTRL));
  52         s += sprintf(s, "GBBASE = %08x\n", readl(GBBASE));
  53         s += sprintf(s, "VBBASE = %08x\n", readl(VBBASE));
  54         s += sprintf(s, "GDRCTRL = %08x\n", readl(GDRCTRL));
  55         s += sprintf(s, "VCMSK = %08x\n", readl(VCMSK));
  56         s += sprintf(s, "GSCADR = %08x\n", readl(GSCADR));
  57         s += sprintf(s, "VSCADR = %08x\n", readl(VSCADR));
  58         s += sprintf(s, "VUBASE = %08x\n", readl(VUBASE));
  59         s += sprintf(s, "VVBASE = %08x\n", readl(VVBASE));
  60         s += sprintf(s, "GSADR = %08x\n", readl(GSADR));
  61         s += sprintf(s, "VSADR = %08x\n", readl(VSADR));
  62         s += sprintf(s, "HCCTRL = %08x\n", readl(HCCTRL));
  63         s += sprintf(s, "HCSIZE = %08x\n", readl(HCSIZE));
  64         s += sprintf(s, "HCPOS = %08x\n", readl(HCPOS));
  65         s += sprintf(s, "HCBADR = %08x\n", readl(HCBADR));
  66         s += sprintf(s, "HCCKMSK = %08x\n", readl(HCCKMSK));
  67         s += sprintf(s, "GPLUT = %08x\n", readl(GPLUT));
  68
  69         return  simple_read_from_buffer(userbuf, count, ppos,
  70                                         big_buffer, s-big_buffer);
  71 }
  72
  73 static ssize_t display_read_file(struct file *file, char __user *userbuf,
  74                                  size_t count, loff_t *ppos)
  75 {
  76         char * s = big_buffer;
  77
  78         s += sprintf(s, "DSCTRL = %08x\n", readl(DSCTRL));
  79         s += sprintf(s, "DHT01 = %08x\n", readl(DHT01));
  80         s += sprintf(s, "DHT02 = %08x\n", readl(DHT02));
  81         s += sprintf(s, "DHT03 = %08x\n", readl(DHT03));
  82         s += sprintf(s, "DVT01 = %08x\n", readl(DVT01));
  83         s += sprintf(s, "DVT02 = %08x\n", readl(DVT02));
  84         s += sprintf(s, "DVT03 = %08x\n", readl(DVT03));
  85         s += sprintf(s, "DBCOL = %08x\n", readl(DBCOL));
  86         s += sprintf(s, "BGCOLOR = %08x\n", readl(BGCOLOR));
  87         s += sprintf(s, "DINTRS = %08x\n", readl(DINTRS));
  88         s += sprintf(s, "DINTRE = %08x\n", readl(DINTRE));
  89         s += sprintf(s, "DINTRCNT = %08x\n", readl(DINTRCNT));
  90         s += sprintf(s, "DSIG = %08x\n", readl(DSIG));
  91         s += sprintf(s, "DMCTRL = %08x\n", readl(DMCTRL));
  92         s += sprintf(s, "CLIPCTRL = %08x\n", readl(CLIPCTRL));
  93         s += sprintf(s, "SPOCTRL = %08x\n", readl(SPOCTRL));
  94         s += sprintf(s, "SVCTRL = %08x\n", readl(SVCTRL));
  95         s += sprintf(s, "DLSTS = %08x\n", readl(DLSTS));
  96         s += sprintf(s, "DLLCTRL = %08x\n", readl(DLLCTRL));
  97         s += sprintf(s, "DVLNUM = %08x\n", readl(DVLNUM));
  98         s += sprintf(s, "DUCTRL = %08x\n", readl(DUCTRL));
  99         s += sprintf(s, "DVECTRL = %08x\n", readl(DVECTRL));
 100         s += sprintf(s, "DHDET = %08x\n", readl(DHDET));
 101         s += sprintf(s, "DVDET = %08x\n", readl(DVDET));
 102         s += sprintf(s, "DODMSK = %08x\n", readl(DODMSK));
 103         s += sprintf(s, "CSC01 = %08x\n", readl(CSC01));
 104         s += sprintf(s, "CSC02 = %08x\n", readl(CSC02));
 105         s += sprintf(s, "CSC03 = %08x\n", readl(CSC03));
 106         s += sprintf(s, "CSC04 = %08x\n", readl(CSC04));
 107         s += sprintf(s, "CSC05 = %08x\n", readl(CSC05));
 108
 109         return  simple_read_from_buffer(userbuf, count, ppos,
 110                                         big_buffer, s-big_buffer);
 111 }
 112
 113 static ssize_t clock_read_file(struct file *file, char __user *userbuf,
 114                                size_t count, loff_t *ppos)
 115 {
 116         char * s = big_buffer;
 117
 118         s += sprintf(s, "SYSCLKSRC = %08x\n", readl(SYSCLKSRC));
 119         s += sprintf(s, "PIXCLKSRC = %08x\n", readl(PIXCLKSRC));
 120         s += sprintf(s, "CLKSLEEP = %08x\n", readl(CLKSLEEP));
 121         s += sprintf(s, "COREPLL = %08x\n", readl(COREPLL));
 122         s += sprintf(s, "DISPPLL = %08x\n", readl(DISPPLL));
 123         s += sprintf(s, "PLLSTAT = %08x\n", readl(PLLSTAT));
 124         s += sprintf(s, "VOVRCLK = %08x\n", readl(VOVRCLK));
 125         s += sprintf(s, "PIXCLK = %08x\n", readl(PIXCLK));
 126         s += sprintf(s, "MEMCLK = %08x\n", readl(MEMCLK));
 127         s += sprintf(s, "M24CLK = %08x\n", readl(M24CLK));
 128         s += sprintf(s, "MBXCLK = %08x\n", readl(MBXCLK));
 129         s += sprintf(s, "SDCLK = %08x\n", readl(SDCLK));
 130         s += sprintf(s, "PIXCLKDIV = %08x\n", readl(PIXCLKDIV));
 131
 132         return  simple_read_from_buffer(userbuf, count, ppos,
 133                                         big_buffer, s-big_buffer);
 134 }
 135
 136 static ssize_t sdram_read_file(struct file *file, char __user *userbuf,
 137                                size_t count, loff_t *ppos)
 138 {
 139         char * s = big_buffer;
 140
 141         s += sprintf(s, "LMRST = %08x\n", readl(LMRST));
 142         s += sprintf(s, "LMCFG = %08x\n", readl(LMCFG));
 143         s += sprintf(s, "LMPWR = %08x\n", readl(LMPWR));
 144         s += sprintf(s, "LMPWRSTAT = %08x\n", readl(LMPWRSTAT));
 145         s += sprintf(s, "LMCEMR = %08x\n", readl(LMCEMR));
 146         s += sprintf(s, "LMTYPE = %08x\n", readl(LMTYPE));
 147         s += sprintf(s, "LMTIM = %08x\n", readl(LMTIM));
 148         s += sprintf(s, "LMREFRESH = %08x\n", readl(LMREFRESH));
 149         s += sprintf(s, "LMPROTMIN = %08x\n", readl(LMPROTMIN));
 150         s += sprintf(s, "LMPROTMAX = %08x\n", readl(LMPROTMAX));
 151         s += sprintf(s, "LMPROTCFG = %08x\n", readl(LMPROTCFG));
 152         s += sprintf(s, "LMPROTERR = %08x\n", readl(LMPROTERR));
 153
 154         return  simple_read_from_buffer(userbuf, count, ppos,
 155                                         big_buffer, s-big_buffer);
 156 }
 157
 158 static ssize_t misc_read_file(struct file *file, char __user *userbuf,
 159                                size_t count, loff_t *ppos)
 160 {
 161         char * s = big_buffer;
 162
 163         s += sprintf(s, "LCD_CONFIG = %08x\n", readl(LCD_CONFIG));
 164         s += sprintf(s, "ODFBPWR = %08x\n", readl(ODFBPWR));
 165         s += sprintf(s, "ODFBSTAT = %08x\n", readl(ODFBSTAT));
 166         s += sprintf(s, "ID = %08x\n", readl(ID));
 167
 168         return  simple_read_from_buffer(userbuf, count, ppos,
 169                                         big_buffer, s-big_buffer);
 170 }
 171
 172
 173 static const struct file_operations sysconf_fops = {
 174         .read = sysconf_read_file,
 175         .write = write_file_dummy,
 176         .open = open_file_generic,
 177 };
 178
 179 static const struct file_operations clock_fops = {
 180         .read = clock_read_file,
 181         .write = write_file_dummy,
 182         .open = open_file_generic,
 183 };
 184
 185 static const struct file_operations display_fops = {
 186         .read = display_read_file,
 187         .write = write_file_dummy,
 188         .open = open_file_generic,
 189 };
 190
 191 static const struct file_operations gsctl_fops = {
 192         .read = gsctl_read_file,
 193         .write = write_file_dummy,
 194         .open = open_file_generic,
 195 };
 196
 197 static const struct file_operations sdram_fops = {
 198         .read = sdram_read_file,
 199         .write = write_file_dummy,
 200         .open = open_file_generic,
 201 };
 202
 203 static const struct file_operations misc_fops = {
 204         .read = misc_read_file,
 205         .write = write_file_dummy,
 206         .open = open_file_generic,
 207 };
 208
 209 static void __devinit mbxfb_debugfs_init(struct fb_info *fbi)
 210 {
 211         struct mbxfb_info *mfbi = fbi->par;
 212         struct mbxfb_debugfs_data *dbg;
 213
 214         dbg = kzalloc(sizeof(struct mbxfb_debugfs_data), GFP_KERNEL);
 215         mfbi->debugfs_data = dbg;
 216
 217         dbg->dir = debugfs_create_dir("mbxfb", NULL);
 218         dbg->sysconf = debugfs_create_file("sysconf", 0444, dbg->dir,
 219                                       fbi, &sysconf_fops);
 220         dbg->clock = debugfs_create_file("clock", 0444, dbg->dir,
 221                                     fbi, &clock_fops);
 222         dbg->display = debugfs_create_file("display", 0444, dbg->dir,
 223                                       fbi, &display_fops);
 224         dbg->gsctl = debugfs_create_file("gsctl", 0444, dbg->dir,
 225                                     fbi, &gsctl_fops);
 226         dbg->sdram = debugfs_create_file("sdram", 0444, dbg->dir,
 227                                         fbi, &sdram_fops);
 228         dbg->misc = debugfs_create_file("misc", 0444, dbg->dir,
 229                                         fbi, &misc_fops);
 230 }
 231
 232 static void __devexit mbxfb_debugfs_remove(struct fb_info *fbi)
 233 {
 234         struct mbxfb_info *mfbi = fbi->par;
 235         struct mbxfb_debugfs_data *dbg = mfbi->debugfs_data;
 236
 237         debugfs_remove(dbg->misc);
 238         debugfs_remove(dbg->sdram);
 239         debugfs_remove(dbg->gsctl);
 240         debugfs_remove(dbg->display);
 241         debugfs_remove(dbg->clock);
 242         debugfs_remove(dbg->sysconf);
 243         debugfs_remove(dbg->dir);
 244 }