projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3095faf5 SH |
1 | /* |
| 2 | * arch/arm/mach-netx/fb.c | |
| 3 | * | |
| 4 | * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 | |
| 8 | * as published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | */ | |
| 19 | ||
| 20 | #include <linux/device.h> | |
| 21 | #include <linux/init.h> | |
| 22 | #include <linux/dma-mapping.h> | |
| 23 | #include <linux/amba/bus.h> | |
| 24 | #include <linux/amba/clcd.h> | |
| eefc842a | 25 | #include <linux/err.h> |
| 5a0e3ad6 | 26 | #include <linux/gfp.h> |
| 3095faf5 | 27 | |
| 80b02c17 RK |
28 | #include <asm/irq.h> |
| 29 | ||
| a09e64fb RK |
30 | #include <mach/netx-regs.h> |
| 31 | #include <mach/hardware.h> | |
| 3095faf5 | 32 | |
| 3095faf5 SH |
33 | static struct clcd_panel *netx_panel; |
| 34 | ||
| 35 | void netx_clcd_enable(struct clcd_fb *fb) | |
| 36 | { | |
| 37 | } | |
| 38 | ||
| 39 | int netx_clcd_setup(struct clcd_fb *fb) | |
| 40 | { | |
| 41 | dma_addr_t dma; | |
| 42 | ||
| 43 | fb->panel = netx_panel; | |
| 44 | ||
| f6e45661 LR |
45 | fb->fb.screen_base = dma_alloc_wc(&fb->dev->dev, 1024 * 1024, &dma, |
| 46 | GFP_KERNEL); | |
| 3095faf5 SH |
47 | if (!fb->fb.screen_base) { |
| 48 | printk(KERN_ERR "CLCD: unable to map framebuffer\n"); | |
| 49 | return -ENOMEM; | |
| 50 | } | |
| 51 | ||
| 52 | fb->fb.fix.smem_start = dma; | |
| 53 | fb->fb.fix.smem_len = 1024*1024; | |
| 54 | ||
| 55 | return 0; | |
| 56 | } | |
| 57 | ||
| 58 | int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma) | |
| 59 | { | |
| f6e45661 LR |
60 | return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base, |
| 61 | fb->fb.fix.smem_start, fb->fb.fix.smem_len); | |
| 3095faf5 SH |
62 | } |
| 63 | ||
| 64 | void netx_clcd_remove(struct clcd_fb *fb) | |
| 65 | { | |
| f6e45661 LR |
66 | dma_free_wc(&fb->dev->dev, fb->fb.fix.smem_len, fb->fb.screen_base, |
| 67 | fb->fb.fix.smem_start); | |
| 3095faf5 SH |
68 | } |
| 69 | ||
| d948b454 | 70 | static AMBA_AHB_DEVICE(fb, "fb", 0, 0x00104000, { NETX_IRQ_LCD }, NULL); |
| 3095faf5 SH |
71 | |
| 72 | int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel) | |
| 73 | { | |
| 74 | netx_panel = panel; | |
| 75 | fb_device.dev.platform_data = board; | |
| 76 | return amba_device_register(&fb_device, &iomem_resource); | |
| 77 | } |