From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/video/fbdev/mbx/mbxdebugfs.c | 246 +++++++++++++++++++++++++++++++++++ 1 file changed, 246 insertions(+) create mode 100644 drivers/video/fbdev/mbx/mbxdebugfs.c (limited to 'drivers/video/fbdev/mbx/mbxdebugfs.c') diff --git a/drivers/video/fbdev/mbx/mbxdebugfs.c b/drivers/video/fbdev/mbx/mbxdebugfs.c new file mode 100644 index 000000000..2bd328883 --- /dev/null +++ b/drivers/video/fbdev/mbx/mbxdebugfs.c @@ -0,0 +1,246 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include + +#define BIG_BUFFER_SIZE (1024) + +static char big_buffer[BIG_BUFFER_SIZE]; + +struct mbxfb_debugfs_data { + struct dentry *dir; + struct dentry *sysconf; + struct dentry *clock; + struct dentry *display; + struct dentry *gsctl; + struct dentry *sdram; + struct dentry *misc; +}; + +static ssize_t write_file_dummy(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + return count; +} + +static ssize_t sysconf_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char * s = big_buffer; + + 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); +} + + +static ssize_t gsctl_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char * s = big_buffer; + + 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); +} + +static ssize_t display_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char * s = big_buffer; + + 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); +} + +static ssize_t clock_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char * s = big_buffer; + + 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 const struct file_operations sysconf_fops = { + .read = sysconf_read_file, + .write = write_file_dummy, + .open = simple_open, + .llseek = default_llseek, +}; + +static const struct file_operations clock_fops = { + .read = clock_read_file, + .write = write_file_dummy, + .open = simple_open, + .llseek = default_llseek, +}; + +static const struct file_operations display_fops = { + .read = display_read_file, + .write = write_file_dummy, + .open = simple_open, + .llseek = default_llseek, +}; + +static const struct file_operations gsctl_fops = { + .read = gsctl_read_file, + .write = write_file_dummy, + .open = simple_open, + .llseek = default_llseek, +}; + +static const struct file_operations sdram_fops = { + .read = sdram_read_file, + .write = write_file_dummy, + .open = simple_open, + .llseek = default_llseek, +}; + +static const struct file_operations misc_fops = { + .read = misc_read_file, + .write = write_file_dummy, + .open = simple_open, + .llseek = default_llseek, +}; + +static void mbxfb_debugfs_init(struct fb_info *fbi) +{ + struct mbxfb_info *mfbi = fbi->par; + struct mbxfb_debugfs_data *dbg; + + dbg = kzalloc(sizeof(struct mbxfb_debugfs_data), GFP_KERNEL); + mfbi->debugfs_data = dbg; + + dbg->dir = debugfs_create_dir("mbxfb", NULL); + dbg->sysconf = debugfs_create_file("sysconf", 0444, dbg->dir, + fbi, &sysconf_fops); + dbg->clock = debugfs_create_file("clock", 0444, dbg->dir, + fbi, &clock_fops); + dbg->display = debugfs_create_file("display", 0444, dbg->dir, + 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 mbxfb_debugfs_remove(struct fb_info *fbi) +{ + 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); + debugfs_remove(dbg->sysconf); + debugfs_remove(dbg->dir); +} -- cgit v1.2.3