This patch fixes debugfs for mbxfb and adds some missing registers. The way registers were read was out of sync with the rest of the driver (direct access instead of using readl()) sdram controller registers are now accessible in the sdram/ subdirectory and some other registers are grouped in the misc/ subdirectory. Signed-off-by: Raphael Assenat --- linux-2.6.18-rc2-mbx/drivers/video/mbx/mbxdebugfs.c 2006-09-01 16:10:58.000000000 -0400 +++ linux-2.6.18-rc2-8d/drivers/video/mbx/mbxdebugfs.c 2006-08-31 16:21:25.000000000 -0400 @@ -10,6 +13,8 @@ struct dentry *clock; struct dentry *display; struct dentry *gsctl; + struct dentry *sdram; + struct dentry *misc; }; static int open_file_generic(struct inode *inode, struct file *file) @@ -29,11 +34,11 @@ { char * s = big_buffer; - s += sprintf(s, "SYSCFG = %08lx\n", SYSCFG); - s += sprintf(s, "PFBASE = %08lx\n", PFBASE); - s += sprintf(s, "PFCEIL = %08lx\n", PFCEIL); - s += sprintf(s, "POLLFLAG = %08lx\n", POLLFLAG); - s += sprintf(s, "SYSRST = %08lx\n", SYSRST); + s += sprintf(s, "SYSCFG = %08x\n", readl(SYSCFG)); + s += sprintf(s, "PFBASE = %08x\n", readl(PFBASE)); + s += sprintf(s, "PFCEIL = %08x\n", readl(PFCEIL)); + s += sprintf(s, "POLLFLAG = %08x\n", readl(POLLFLAG)); + s += sprintf(s, "SYSRST = %08x\n", readl(SYSRST)); return simple_read_from_buffer(userbuf, count, ppos, big_buffer, s-big_buffer); @@ -45,24 +50,24 @@ { char * s = big_buffer; - s += sprintf(s, "GSCTRL = %08lx\n", GSCTRL); - s += sprintf(s, "VSCTRL = %08lx\n", VSCTRL); - s += sprintf(s, "GBBASE = %08lx\n", GBBASE); - s += sprintf(s, "VBBASE = %08lx\n", VBBASE); - s += sprintf(s, "GDRCTRL = %08lx\n", GDRCTRL); - s += sprintf(s, "VCMSK = %08lx\n", VCMSK); - s += sprintf(s, "GSCADR = %08lx\n", GSCADR); - s += sprintf(s, "VSCADR = %08lx\n", VSCADR); - s += sprintf(s, "VUBASE = %08lx\n", VUBASE); - s += sprintf(s, "VVBASE = %08lx\n", VVBASE); - s += sprintf(s, "GSADR = %08lx\n", GSADR); - s += sprintf(s, "VSADR = %08lx\n", VSADR); - s += sprintf(s, "HCCTRL = %08lx\n", HCCTRL); - s += sprintf(s, "HCSIZE = %08lx\n", HCSIZE); - s += sprintf(s, "HCPOS = %08lx\n", HCPOS); - s += sprintf(s, "HCBADR = %08lx\n", HCBADR); - s += sprintf(s, "HCCKMSK = %08lx\n", HCCKMSK); - s += sprintf(s, "GPLUT = %08lx\n", GPLUT); + s += sprintf(s, "GSCTRL = %08x\n", readl(GSCTRL)); + s += sprintf(s, "VSCTRL = %08x\n", readl(VSCTRL)); + s += sprintf(s, "GBBASE = %08x\n", readl(GBBASE)); + s += sprintf(s, "VBBASE = %08x\n", readl(VBBASE)); + s += sprintf(s, "GDRCTRL = %08x\n", readl(GDRCTRL)); + s += sprintf(s, "VCMSK = %08x\n", readl(VCMSK)); + s += sprintf(s, "GSCADR = %08x\n", readl(GSCADR)); + s += sprintf(s, "VSCADR = %08x\n", readl(VSCADR)); + s += sprintf(s, "VUBASE = %08x\n", readl(VUBASE)); + s += sprintf(s, "VVBASE = %08x\n", readl(VVBASE)); + s += sprintf(s, "GSADR = %08x\n", readl(GSADR)); + s += sprintf(s, "VSADR = %08x\n", readl(VSADR)); + s += sprintf(s, "HCCTRL = %08x\n", readl(HCCTRL)); + s += sprintf(s, "HCSIZE = %08x\n", readl(HCSIZE)); + s += sprintf(s, "HCPOS = %08x\n", readl(HCPOS)); + s += sprintf(s, "HCBADR = %08x\n", readl(HCBADR)); + s += sprintf(s, "HCCKMSK = %08x\n", readl(HCCKMSK)); + s += sprintf(s, "GPLUT = %08x\n", readl(GPLUT)); return simple_read_from_buffer(userbuf, count, ppos, big_buffer, s-big_buffer); @@ -73,36 +78,36 @@ { char * s = big_buffer; - s += sprintf(s, "DSCTRL = %08lx\n", DSCTRL); - s += sprintf(s, "DHT01 = %08lx\n", DHT01); - s += sprintf(s, "DHT02 = %08lx\n", DHT02); - s += sprintf(s, "DHT03 = %08lx\n", DHT03); - s += sprintf(s, "DVT01 = %08lx\n", DVT01); - s += sprintf(s, "DVT02 = %08lx\n", DVT02); - s += sprintf(s, "DVT03 = %08lx\n", DVT03); - s += sprintf(s, "DBCOL = %08lx\n", DBCOL); - s += sprintf(s, "BGCOLOR = %08lx\n", BGCOLOR); - s += sprintf(s, "DINTRS = %08lx\n", DINTRS); - s += sprintf(s, "DINTRE = %08lx\n", DINTRE); - s += sprintf(s, "DINTRCNT = %08lx\n", DINTRCNT); - s += sprintf(s, "DSIG = %08lx\n", DSIG); - s += sprintf(s, "DMCTRL = %08lx\n", DMCTRL); - s += sprintf(s, "CLIPCTRL = %08lx\n", CLIPCTRL); - s += sprintf(s, "SPOCTRL = %08lx\n", SPOCTRL); - s += sprintf(s, "SVCTRL = %08lx\n", SVCTRL); - s += sprintf(s, "DLSTS = %08lx\n", DLSTS); - s += sprintf(s, "DLLCTRL = %08lx\n", DLLCTRL); - s += sprintf(s, "DVLNUM = %08lx\n", DVLNUM); - s += sprintf(s, "DUCTRL = %08lx\n", DUCTRL); - s += sprintf(s, "DVECTRL = %08lx\n", DVECTRL); - s += sprintf(s, "DHDET = %08lx\n", DHDET); - s += sprintf(s, "DVDET = %08lx\n", DVDET); - s += sprintf(s, "DODMSK = %08lx\n", DODMSK); - s += sprintf(s, "CSC01 = %08lx\n", CSC01); - s += sprintf(s, "CSC02 = %08lx\n", CSC02); - s += sprintf(s, "CSC03 = %08lx\n", CSC03); - s += sprintf(s, "CSC04 = %08lx\n", CSC04); - s += sprintf(s, "CSC05 = %08lx\n", CSC05); + s += sprintf(s, "DSCTRL = %08x\n", readl(DSCTRL)); + s += sprintf(s, "DHT01 = %08x\n", readl(DHT01)); + s += sprintf(s, "DHT02 = %08x\n", readl(DHT02)); + s += sprintf(s, "DHT03 = %08x\n", readl(DHT03)); + s += sprintf(s, "DVT01 = %08x\n", readl(DVT01)); + s += sprintf(s, "DVT02 = %08x\n", readl(DVT02)); + s += sprintf(s, "DVT03 = %08x\n", readl(DVT03)); + s += sprintf(s, "DBCOL = %08x\n", readl(DBCOL)); + s += sprintf(s, "BGCOLOR = %08x\n", readl(BGCOLOR)); + s += sprintf(s, "DINTRS = %08x\n", readl(DINTRS)); + s += sprintf(s, "DINTRE = %08x\n", readl(DINTRE)); + s += sprintf(s, "DINTRCNT = %08x\n", readl(DINTRCNT)); + s += sprintf(s, "DSIG = %08x\n", readl(DSIG)); + s += sprintf(s, "DMCTRL = %08x\n", readl(DMCTRL)); + s += sprintf(s, "CLIPCTRL = %08x\n", readl(CLIPCTRL)); + s += sprintf(s, "SPOCTRL = %08x\n", readl(SPOCTRL)); + s += sprintf(s, "SVCTRL = %08x\n", readl(SVCTRL)); + s += sprintf(s, "DLSTS = %08x\n", readl(DLSTS)); + s += sprintf(s, "DLLCTRL = %08x\n", readl(DLLCTRL)); + s += sprintf(s, "DVLNUM = %08x\n", readl(DVLNUM)); + s += sprintf(s, "DUCTRL = %08x\n", readl(DUCTRL)); + s += sprintf(s, "DVECTRL = %08x\n", readl(DVECTRL)); + s += sprintf(s, "DHDET = %08x\n", readl(DHDET)); + s += sprintf(s, "DVDET = %08x\n", readl(DVDET)); + s += sprintf(s, "DODMSK = %08x\n", readl(DODMSK)); + s += sprintf(s, "CSC01 = %08x\n", readl(CSC01)); + s += sprintf(s, "CSC02 = %08x\n", readl(CSC02)); + s += sprintf(s, "CSC03 = %08x\n", readl(CSC03)); + s += sprintf(s, "CSC04 = %08x\n", readl(CSC04)); + s += sprintf(s, "CSC05 = %08x\n", readl(CSC05)); return simple_read_from_buffer(userbuf, count, ppos, big_buffer, s-big_buffer); @@ -113,24 +118,61 @@ { char * s = big_buffer; - s += sprintf(s, "SYSCLKSRC = %08lx\n", SYSCLKSRC); - s += sprintf(s, "PIXCLKSRC = %08lx\n", PIXCLKSRC); - s += sprintf(s, "CLKSLEEP = %08lx\n", CLKSLEEP); - s += sprintf(s, "COREPLL = %08lx\n", COREPLL); - s += sprintf(s, "DISPPLL = %08lx\n", DISPPLL); - s += sprintf(s, "PLLSTAT = %08lx\n", PLLSTAT); - s += sprintf(s, "VOVRCLK = %08lx\n", VOVRCLK); - s += sprintf(s, "PIXCLK = %08lx\n", PIXCLK); - s += sprintf(s, "MEMCLK = %08lx\n", MEMCLK); - s += sprintf(s, "M24CLK = %08lx\n", M24CLK); - s += sprintf(s, "MBXCLK = %08lx\n", MBXCLK); - s += sprintf(s, "SDCLK = %08lx\n", SDCLK); - s += sprintf(s, "PIXCLKDIV = %08lx\n", PIXCLKDIV); + s += sprintf(s, "SYSCLKSRC = %08x\n", readl(SYSCLKSRC)); + s += sprintf(s, "PIXCLKSRC = %08x\n", readl(PIXCLKSRC)); + s += sprintf(s, "CLKSLEEP = %08x\n", readl(CLKSLEEP)); + s += sprintf(s, "COREPLL = %08x\n", readl(COREPLL)); + s += sprintf(s, "DISPPLL = %08x\n", readl(DISPPLL)); + s += sprintf(s, "PLLSTAT = %08x\n", readl(PLLSTAT)); + s += sprintf(s, "VOVRCLK = %08x\n", readl(VOVRCLK)); + s += sprintf(s, "PIXCLK = %08x\n", readl(PIXCLK)); + s += sprintf(s, "MEMCLK = %08x\n", readl(MEMCLK)); + s += sprintf(s, "M24CLK = %08x\n", readl(M24CLK)); + s += sprintf(s, "MBXCLK = %08x\n", readl(MBXCLK)); + s += sprintf(s, "SDCLK = %08x\n", readl(SDCLK)); + s += sprintf(s, "PIXCLKDIV = %08x\n", readl(PIXCLKDIV)); return simple_read_from_buffer(userbuf, count, ppos, big_buffer, s-big_buffer); } +static ssize_t sdram_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char * s = big_buffer; + + s += sprintf(s, "LMRST = %08x\n", readl(LMRST)); + s += sprintf(s, "LMCFG = %08x\n", readl(LMCFG)); + s += sprintf(s, "LMPWR = %08x\n", readl(LMPWR)); + s += sprintf(s, "LMPWRSTAT = %08x\n", readl(LMPWRSTAT)); + s += sprintf(s, "LMCEMR = %08x\n", readl(LMCEMR)); + s += sprintf(s, "LMTYPE = %08x\n", readl(LMTYPE)); + s += sprintf(s, "LMTIM = %08x\n", readl(LMTIM)); + s += sprintf(s, "LMREFRESH = %08x\n", readl(LMREFRESH)); + s += sprintf(s, "LMPROTMIN = %08x\n", readl(LMPROTMIN)); + s += sprintf(s, "LMPROTMAX = %08x\n", readl(LMPROTMAX)); + s += sprintf(s, "LMPROTCFG = %08x\n", readl(LMPROTCFG)); + s += sprintf(s, "LMPROTERR = %08x\n", readl(LMPROTERR)); + + return simple_read_from_buffer(userbuf, count, ppos, + big_buffer, s-big_buffer); +} + +static ssize_t misc_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char * s = big_buffer; + + s += sprintf(s, "LCD_CONFIG = %08x\n", readl(LCD_CONFIG)); + s += sprintf(s, "ODFBPWR = %08x\n", readl(ODFBPWR)); + s += sprintf(s, "ODFBSTAT = %08x\n", readl(ODFBSTAT)); + s += sprintf(s, "ID = %08x\n", readl(ID)); + + return simple_read_from_buffer(userbuf, count, ppos, + big_buffer, s-big_buffer); +} + + static struct file_operations sysconf_fops = { .read = sysconf_read_file, .write = write_file_dummy, @@ -155,6 +197,17 @@ .open = open_file_generic, }; +static struct file_operations sdram_fops = { + .read = sdram_read_file, + .write = write_file_dummy, + .open = open_file_generic, +}; + +static struct file_operations misc_fops = { + .read = misc_read_file, + .write = write_file_dummy, + .open = open_file_generic, +}; static void __devinit mbxfb_debugfs_init(struct fb_info *fbi) { @@ -173,6 +226,10 @@ fbi, &display_fops); dbg->gsctl = debugfs_create_file("gsctl", 0444, dbg->dir, fbi, &gsctl_fops); + dbg->sdram = debugfs_create_file("sdram", 0444, dbg->dir, + fbi, &sdram_fops); + dbg->misc = debugfs_create_file("misc", 0444, dbg->dir, + fbi, &misc_fops); } static void __devexit mbxfb_debugfs_remove(struct fb_info *fbi) @@ -180,6 +237,8 @@ struct mbxfb_info *mfbi = fbi->par; struct mbxfb_debugfs_data *dbg = mfbi->debugfs_data; + debugfs_remove(dbg->misc); + debugfs_remove(dbg->sdram); debugfs_remove(dbg->gsctl); debugfs_remove(dbg->display); debugfs_remove(dbg->clock);