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> | |
| 25 | ||
| 26 | #include <asm/arch/netx-regs.h> | |
| ea75ee9a | 27 | #include <asm/hardware.h> |
| 3095faf5 SH |
28 | |
| 29 | struct clk {}; | |
| 30 | ||
| 31 | static struct clk fb_clk; | |
| 32 | ||
| 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 | ||
| 45 | fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, 1024*1024, | |
| 46 | &dma, GFP_KERNEL); | |
| 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 | { | |
| 60 | return dma_mmap_writecombine(&fb->dev->dev, vma, | |
| 61 | fb->fb.screen_base, | |
| 62 | fb->fb.fix.smem_start, | |
| 63 | fb->fb.fix.smem_len); | |
| 64 | } | |
| 65 | ||
| 66 | void netx_clcd_remove(struct clcd_fb *fb) | |
| 67 | { | |
| 68 | dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len, | |
| 69 | fb->fb.screen_base, fb->fb.fix.smem_start); | |
| 70 | } | |
| 71 | ||
| 72 | void clk_disable(struct clk *clk) | |
| 73 | { | |
| 74 | } | |
| 75 | ||
| 76 | int clk_set_rate(struct clk *clk, unsigned long rate) | |
| 77 | { | |
| 78 | return 0; | |
| 79 | } | |
| 80 | ||
| 81 | int clk_enable(struct clk *clk) | |
| 82 | { | |
| 83 | return 0; | |
| 84 | } | |
| 85 | ||
| 86 | struct clk *clk_get(struct device *dev, const char *id) | |
| 87 | { | |
| 88 | return &fb_clk; | |
| 89 | } | |
| 90 | ||
| 91 | void clk_put(struct clk *clk) | |
| 92 | { | |
| 93 | } | |
| 94 | ||
| 95 | static struct amba_device fb_device = { | |
| 96 | .dev = { | |
| 97 | .bus_id = "fb", | |
| 98 | .coherent_dma_mask = ~0, | |
| 99 | }, | |
| 100 | .res = { | |
| 101 | .start = 0x00104000, | |
| 102 | .end = 0x00104fff, | |
| 103 | .flags = IORESOURCE_MEM, | |
| 104 | }, | |
| 105 | .irq = { NETX_IRQ_LCD, NO_IRQ }, | |
| 106 | .periphid = 0x10112400, | |
| 107 | }; | |
| 108 | ||
| 109 | int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel) | |
| 110 | { | |
| 111 | netx_panel = panel; | |
| 112 | fb_device.dev.platform_data = board; | |
| 113 | return amba_device_register(&fb_device, &iomem_resource); | |
| 114 | } |