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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-20 17:52:36 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-20 17:52:36 -0700
commit050335db2a777ffaa859d77beb05fffe9e8c5ae9 (patch)
tree6f1fb3e3477de613b4adac8c46bd6e86301ed8ae /arch/arm/mach-netx/fb.c
parenta4cfae13cef6a700a04b13ba1d819c0641b1b26f (diff)
parent905f14672e6d0552bfde954d5f7adb5f2c7a7960 (diff)
downloadtalos-op-linux-050335db2a777ffaa859d77beb05fffe9e8c5ae9.tar.gz
talos-op-linux-050335db2a777ffaa859d77beb05fffe9e8c5ae9.zip
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (42 commits) [ARM] Fix tosa build error [ARM] 3610/1: Make reboot work on Versatile [ARM] 3609/1: S3C24XX: defconfig update for s3c2410_defconfig [ARM] 3591/1: Anubis: IDE device definitions [ARM] Include asm/hardware.h not asm/arch/hardware.h [ARM] 3594/1: Poodle: Add touchscreen support + other updates [ARM] 3564/1: sharpsl_pm: Abstract some machine specific parameters [ARM] 3561/1: Poodle: Correct the MMC/SD power control [ARM] 3593/1: Add reboot and shutdown handlers for Zaurus handhelds [ARM] 3599/1: AT91RM9200 remove global variables [ARM] 3607/1: AT91RM9200 misc fixes [ARM] 3605/1: AT91RM9200 Power Management [ARM] 3604/1: AT91RM9200 New boards [ARM] 3603/1: AT91RM9200 remove old files [ARM] 3592/1: AT91RM9200 Serial driver update [ARM] 3590/1: AT91RM9200 Platform devices support [ARM] 3589/1: AT91RM9200 DK/EK board update [ARM] 3588/1: AT91RM9200 CSB337/637 board update [ARM] 3587/1: AT91RM9200 hardware headers [ARM] 3586/1: AT91RM9200 header update ...
Diffstat (limited to 'arch/arm/mach-netx/fb.c')
-rw-r--r--arch/arm/mach-netx/fb.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c
new file mode 100644
index 000000000000..ef0ab6115c0b
--- /dev/null
+++ b/arch/arm/mach-netx/fb.c
@@ -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/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);
+}
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