iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: mach-nspire: Kill off CLCD auxdata

Browse Source 
After transitioning the CLCD to use DRM we can now kill off
the final piece of auxdata on the NSPIRE.

Link: https://lore.kernel.org/r/20190810075023.7327-1-linus.walleij@linaro.org
Cc: Daniel Tang <dt.tangr@gmail.com>
Cc: Fabian Vogt <fabian@ritter-vogt.de>
Tested-by: Fabian Vogt <fabian@ritter-vogt.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Linus Walleij 2019-08-10 09:50:23 +02:00 committed by Arnd Bergmann
parent d45331b00d
commit 367f4acc69
4 changed files with 0 additions and 150 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/mach-nspire/Makefile
View File

@ -1,3 +1,2 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-y += nspire.o
obj-y += clcd.o

114
arch/arm/mach-nspire/clcd.c
View File

@ -1,114 +0,0 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-nspire/clcd.c
*
* Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
*/
#include <linux/init.h>
#include <linux/of.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <linux/dma-mapping.h>
static struct clcd_panel nspire_cx_lcd_panel = {
.mode = {
.name = "Color LCD",
.refresh = 60,
.xres = 320,
.yres = 240,
.sync = 0,
.vmode = FB_VMODE_NONINTERLACED,
.pixclock = 1,
.hsync_len = 6,
.vsync_len = 1,
.right_margin = 50,
.left_margin = 38,
.lower_margin = 3,
.upper_margin = 17,
},
.width = 65, /* ~6.50 cm */
.height = 49, /* ~4.87 cm */
.tim2 = TIM2_IPC,
.cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1),
.bpp = 16,
.caps = CLCD_CAP_565,
};
static struct clcd_panel nspire_classic_lcd_panel = {
.mode = {
.name = "Grayscale LCD",
.refresh = 60,
.xres = 320,
.yres = 240,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.vmode = FB_VMODE_NONINTERLACED,
.pixclock = 1,
.hsync_len = 6,
.vsync_len = 1,
.right_margin = 6,
.left_margin = 6,
},
.width = 71, /* 7.11cm */
.height = 53, /* 5.33cm */
.tim2 = 0x80007d0,
.cntl = CNTL_LCDMONO8,
.bpp = 8,
.grayscale = 1,
.caps = CLCD_CAP_5551,
};
int nspire_clcd_setup(struct clcd_fb *fb)
{
struct clcd_panel *panel;
size_t panel_size;
const char *type;
dma_addr_t dma;
int err;
BUG_ON(!fb->dev->dev.of_node);
err = of_property_read_string(fb->dev->dev.of_node, "lcd-type", &type);
if (err) {
pr_err("CLCD: Could not find lcd-type property\n");
return err;
}
if (!strcmp(type, "cx")) {
panel = &nspire_cx_lcd_panel;
} else if (!strcmp(type, "classic")) {
panel = &nspire_classic_lcd_panel;
} else {
pr_err("CLCD: Unknown lcd-type %s\n", type);
return -EINVAL;
}
panel_size = ((panel->mode.xres * panel->mode.yres) * panel->bpp) / 8;
panel_size = ALIGN(panel_size, PAGE_SIZE);
fb->fb.screen_base = dma_alloc_wc(&fb->dev->dev, panel_size, &dma,
GFP_KERNEL);
if (!fb->fb.screen_base) {
pr_err("CLCD: unable to map framebuffer\n");
return -ENOMEM;
}
fb->fb.fix.smem_start = dma;
fb->fb.fix.smem_len = panel_size;
fb->panel = panel;
return 0;
}
int nspire_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
{
return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base,
fb->fb.fix.smem_start, fb->fb.fix.smem_len);
}
void nspire_clcd_remove(struct clcd_fb *fb)
{
dma_free_wc(&fb->dev->dev, fb->fb.fix.smem_len, fb->fb.screen_base,
fb->fb.fix.smem_start);
}

10
arch/arm/mach-nspire/clcd.h
View File

@ -1,10 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/arch/arm/mach-nspire/clcd.h
*
* Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
*/
int nspire_clcd_setup(struct clcd_fb *fb);
int nspire_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma);
void nspire_clcd_remove(struct clcd_fb *fb);

25
arch/arm/mach-nspire/nspire.c
View File

@ -12,14 +12,12 @@
#include <linux/irqchip/arm-vic.h>
#include <linux/clkdev.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
#include "mmio.h"
#include "clcd.h"
static const char *const nspire_dt_match[] __initconst = {
"ti,nspire",
@ -29,28 +27,6 @@ static const char *const nspire_dt_match[] __initconst = {
NULL,
};
static struct clcd_board nspire_clcd_data = {
.name = "LCD",
.caps = CLCD_CAP_5551 | CLCD_CAP_565,
.check = clcdfb_check,
.decode = clcdfb_decode,
.setup = nspire_clcd_setup,
.mmap = nspire_clcd_mmap,
.remove = nspire_clcd_remove,
};
static struct of_dev_auxdata nspire_auxdata[] __initdata = {
OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE,
NULL, &nspire_clcd_data),
{ }
};
static void __init nspire_init(void)
{
of_platform_default_populate(NULL, nspire_auxdata, NULL);
}
static void nspire_restart(enum reboot_mode mode, const char *cmd)
{
void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K);
@ -62,6 +38,5 @@ static void nspire_restart(enum reboot_mode mode, const char *cmd)
DT_MACHINE_START(NSPIRE, "TI-NSPIRE")
.dt_compat = nspire_dt_match,
.init_machine = nspire_init,
.restart = nspire_restart,
MACHINE_END