Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 28074
b: refs/heads/master
c: 3095faf
h: refs/heads/master
v: v3
  • Loading branch information
Sascha Hauer authored and Russell King committed Jun 19, 2006
1 parent 01091a9 commit 360a9eb
Show file tree
Hide file tree
Showing 3 changed files with 139 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ab76fb13d73488ded53c87b77b1b5e38df2acf74
refs/heads/master: 3095faf5295f2da9118469c925d2cfb7775ad287
114 changes: 114 additions & 0 deletions trunk/arch/arm/mach-netx/fb.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,114 @@
/*
* arch/arm/mach-netx/fb.c
*
* Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#include <linux/device.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>

#include <asm/arch/netx-regs.h>
#include <asm/arch/hardware.h>

struct clk {};

static struct clk fb_clk;

static struct clcd_panel *netx_panel;

void netx_clcd_enable(struct clcd_fb *fb)
{
}

int netx_clcd_setup(struct clcd_fb *fb)
{
dma_addr_t dma;

fb->panel = netx_panel;

fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, 1024*1024,
&dma, GFP_KERNEL);
if (!fb->fb.screen_base) {
printk(KERN_ERR "CLCD: unable to map framebuffer\n");
return -ENOMEM;
}

fb->fb.fix.smem_start = dma;
fb->fb.fix.smem_len = 1024*1024;

return 0;
}

int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
{
return dma_mmap_writecombine(&fb->dev->dev, vma,
fb->fb.screen_base,
fb->fb.fix.smem_start,
fb->fb.fix.smem_len);
}

void netx_clcd_remove(struct clcd_fb *fb)
{
dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len,
fb->fb.screen_base, fb->fb.fix.smem_start);
}

void clk_disable(struct clk *clk)
{
}

int clk_set_rate(struct clk *clk, unsigned long rate)
{
return 0;
}

int clk_enable(struct clk *clk)
{
return 0;
}

struct clk *clk_get(struct device *dev, const char *id)
{
return &fb_clk;
}

void clk_put(struct clk *clk)
{
}

static struct amba_device fb_device = {
.dev = {
.bus_id = "fb",
.coherent_dma_mask = ~0,
},
.res = {
.start = 0x00104000,
.end = 0x00104fff,
.flags = IORESOURCE_MEM,
},
.irq = { NETX_IRQ_LCD, NO_IRQ },
.periphid = 0x10112400,
};

int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel)
{
netx_panel = panel;
fb_device.dev.platform_data = board;
return amba_device_register(&fb_device, &iomem_resource);
}
24 changes: 24 additions & 0 deletions trunk/arch/arm/mach-netx/fb.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
/*
* arch/arm/mach-netx/fb.h
*
* Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

void netx_clcd_enable(struct clcd_fb *fb);
int netx_clcd_setup(struct clcd_fb *fb);
int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma);
void netx_clcd_remove(struct clcd_fb *fb);
int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel);

0 comments on commit 360a9eb

Please sign in to comment.