Commit 5c152912 authored by Mike Rapoport's avatar Mike Rapoport Committed by Bartlomiej Zolnierkiewicz
Browse files

fbdev: remove mbx framebuffer driver 



The only in-tree user for mbx driver for Intel 2700G graphics chip was
cm-x270 platform. Since this platform was removed by the commit
9d323914 ("ARM: pxa: remove Compulab pxa2xx boards") there is no
point to keep the obsolete framebuffer driver.

Signed-off-by: default avatarMike Rapoport <rppt@linux.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200830115524.431278-1-rppt@kernel.org
parent 28657c30

Documentation/userspace-api/ioctl/ioctl-number.rst

+0 −2
Original line number Diff line number Diff line
@@ -356,8 +356,6 @@ Code Seq# Include File Comments 
0xEC  00-01  drivers/platform/chrome/cros_ec_dev.h                   ChromeOS EC driver

0xF3  00-3F  drivers/usb/misc/sisusbvga/sisusb.h                     sisfb (in development)

                                                                     <mailto:thomas@winischhofer.net>

0xF4  00-1F  video/mbxfb.h                                           mbxfb

                                                                     <mailto:raph@8d.com>

0xF6  all                                                            LTTng Linux Trace Toolkit Next Generation

                                                                     <mailto:mathieu.desnoyers@efficios.com>

0xFD  all    linux/dm-ioctl.h

drivers/video/fbdev/Kconfig

+0 −19
Original line number Diff line number Diff line
@@ -1775,25 +1775,6 @@ config PXA3XX_GCU 


	  If you compile this as a module, it will be called pxa3xx_gcu.



config FB_MBX

	tristate "2700G LCD framebuffer support"

	depends on FB && ARCH_PXA

	select FB_CFB_FILLRECT

	select FB_CFB_COPYAREA

	select FB_CFB_IMAGEBLIT

	help

	  Framebuffer driver for the Intel 2700G (Marathon) Graphics

	  Accelerator



config FB_MBX_DEBUG

	bool "Enable debugging info via debugfs"

	depends on FB_MBX && DEBUG_FS

	help

	  Enable this if you want debugging information using the debug

	  filesystem (debugfs)



	  If unsure, say N.



config FB_FSL_DIU

	tristate "Freescale DIU framebuffer support"

	depends on FB && FSL_SOC

drivers/video/fbdev/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -31,7 +31,6 @@ obj-$(CONFIG_FB_VIA) += via/ 
obj-$(CONFIG_FB_KYRO)             += kyro/

obj-$(CONFIG_FB_SAVAGE)		  += savage/

obj-$(CONFIG_FB_GEODE)		  += geode/

obj-$(CONFIG_FB_MBX)		  += mbx/

obj-$(CONFIG_FB_NEOMAGIC)         += neofb.o

obj-$(CONFIG_FB_3DFX)             += tdfxfb.o

obj-$(CONFIG_FB_CONTROL)          += controlfb.o

drivers/video/fbdev/mbx/Makefile

deleted100644 → 0
+0 −4
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0-only

# Makefile for the 2700G controller driver.



obj-y 			+= mbxfb.o

drivers/video/fbdev/mbx/mbxdebugfs.c

deleted100644 → 0
+0 −232
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

#include <linux/debugfs.h>

#include <linux/slab.h>



#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 dentry *dir;



	dir = debugfs_create_dir("mbxfb", NULL);

	mfbi->debugfs_dir = dir;



	debugfs_create_file("sysconf", 0444, dir, fbi, &sysconf_fops);

	debugfs_create_file("clock", 0444, dir, fbi, &clock_fops);

	debugfs_create_file("display", 0444, dir, fbi, &display_fops);

	debugfs_create_file("gsctl", 0444, dir, fbi, &gsctl_fops);

	debugfs_create_file("sdram", 0444, dir, fbi, &sdram_fops);

	debugfs_create_file("misc", 0444, dir, fbi, &misc_fops);

}



static void mbxfb_debugfs_remove(struct fb_info *fbi)

{

	struct mbxfb_info *mfbi = fbi->par;



	debugfs_remove_recursive(mfbi->debugfs_dir);

}