1#include <linux/debugfs.h> 2 3#define BIG_BUFFER_SIZE (1024) 4 5static char big_buffer[BIG_BUFFER_SIZE]; 6 7struct 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 17static int open_file_generic(struct inode *inode, struct file *file) 18{ 19 file->private_data = inode->u.generic_ip; 20 return 0; 21} 22 23static 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 29static 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 45static 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 73static 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 113static 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 136static 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 158static 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 173static const struct file_operations sysconf_fops = { 174 .read = sysconf_read_file, 175 .write = write_file_dummy, 176 .open = open_file_generic, 177}; 178 179static const struct file_operations clock_fops = { 180 .read = clock_read_file, 181 .write = write_file_dummy, 182 .open = open_file_generic, 183}; 184 185static const struct file_operations display_fops = { 186 .read = display_read_file, 187 .write = write_file_dummy, 188 .open = open_file_generic, 189}; 190 191static const struct file_operations gsctl_fops = { 192 .read = gsctl_read_file, 193 .write = write_file_dummy, 194 .open = open_file_generic, 195}; 196 197static const struct file_operations sdram_fops = { 198 .read = sdram_read_file, 199 .write = write_file_dummy, 200 .open = open_file_generic, 201}; 202 203static const struct file_operations misc_fops = { 204 .read = misc_read_file, 205 .write = write_file_dummy, 206 .open = open_file_generic, 207}; 208 209static 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 232static 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} 245