diff options
Diffstat (limited to 'drivers/video/geode/lxfb_core.c')
| -rw-r--r-- | drivers/video/geode/lxfb_core.c | 616 |
1 files changed, 0 insertions, 616 deletions
diff --git a/drivers/video/geode/lxfb_core.c b/drivers/video/geode/lxfb_core.c deleted file mode 100644 index eb6b8817153..00000000000 --- a/drivers/video/geode/lxfb_core.c +++ /dev/null @@ -1,616 +0,0 @@ -/* - * Geode LX framebuffer driver. - * - * Copyright (C) 2007 Advanced Micro Devices, Inc. - * Built from gxfb (which is Copyright (C) 2006 Arcom Control Systems Ltd.) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/console.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/uaccess.h> - -#include "lxfb.h" - -static char *mode_option; -static int noclear, nopanel, nocrt; -static int fbsize; - -/* Most of these modes are sorted in ascending order, but - * since the first entry in this table is the "default" mode, - * we try to make it something sane - 640x480-60 is sane - */ - -static const struct fb_videomode geode_modedb[] __initdata = { - /* 640x480-60 */ - { NULL, 60, 640, 480, 39682, 48, 8, 25, 2, 88, 2, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 640x400-70 */ - { NULL, 70, 640, 400, 39770, 40, 8, 28, 5, 96, 2, - FB_SYNC_HOR_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 640x480-70 */ - { NULL, 70, 640, 480, 35014, 88, 24, 15, 2, 64, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 640x480-72 */ - { NULL, 72, 640, 480, 32102, 120, 16, 20, 1, 40, 3, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 640x480-75 */ - { NULL, 75, 640, 480, 31746, 120, 16, 16, 1, 64, 3, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 640x480-85 */ - { NULL, 85, 640, 480, 27780, 80, 56, 25, 1, 56, 3, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 640x480-90 */ - { NULL, 90, 640, 480, 26392, 96, 32, 22, 1, 64, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 640x480-100 */ - { NULL, 100, 640, 480, 23167, 104, 40, 25, 1, 64, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 640x480-60 */ - { NULL, 60, 640, 480, 39682, 48, 16, 25, 10, 88, 2, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 800x600-56 */ - { NULL, 56, 800, 600, 27901, 128, 24, 22, 1, 72, 2, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 800x600-60 */ - { NULL, 60, 800, 600, 25131, 72, 32, 23, 1, 136, 4, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 800x600-70 */ - { NULL, 70, 800, 600, 21873, 120, 40, 21, 4, 80, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 800x600-72 */ - { NULL, 72, 800, 600, 20052, 64, 56, 23, 37, 120, 6, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 800x600-75 */ - { NULL, 75, 800, 600, 20202, 160, 16, 21, 1, 80, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 800x600-85 */ - { NULL, 85, 800, 600, 17790, 152, 32, 27, 1, 64, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 800x600-90 */ - { NULL, 90, 800, 600, 16648, 128, 40, 28, 1, 88, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 800x600-100 */ - { NULL, 100, 800, 600, 14667, 136, 48, 27, 1, 88, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 800x600-60 */ - { NULL, 60, 800, 600, 25131, 88, 40, 23, 1, 128, 4, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 1024x768-60 */ - { NULL, 60, 1024, 768, 15385, 160, 24, 29, 3, 136, 6, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 1024x768-70 */ - { NULL, 70, 1024, 768, 13346, 144, 24, 29, 3, 136, 6, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 1024x768-72 */ - { NULL, 72, 1024, 768, 12702, 168, 56, 29, 4, 112, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1024x768-75 */ - { NULL, 75, 1024, 768, 12703, 176, 16, 28, 1, 96, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1024x768-85 */ - { NULL, 85, 1024, 768, 10581, 208, 48, 36, 1, 96, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1024x768-90 */ - { NULL, 90, 1024, 768, 9981, 176, 64, 37, 1, 112, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1024x768-100 */ - { NULL, 100, 1024, 768, 8825, 184, 72, 42, 1, 112, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1024x768-60 */ - { NULL, 60, 1024, 768, 15385, 160, 24, 29, 3, 136, 6, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 1152x864-60 */ - { NULL, 60, 1152, 864, 12251, 184, 64, 27, 1, 120, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1152x864-70 */ - { NULL, 70, 1152, 864, 10254, 192, 72, 32, 8, 120, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1152x864-72 */ - { NULL, 72, 1152, 864, 9866, 200, 72, 33, 7, 128, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1152x864-75 */ - { NULL, 75, 1152, 864, 9259, 256, 64, 32, 1, 128, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1152x864-85 */ - { NULL, 85, 1152, 864, 8357, 200, 72, 37, 3, 128, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1152x864-90 */ - { NULL, 90, 1152, 864, 7719, 208, 80, 42, 9, 128, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1152x864-100 */ - { NULL, 100, 1152, 864, 6947, 208, 80, 48, 3, 128, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1152x864-60 */ - { NULL, 60, 1152, 864, 12251, 184, 64, 27, 1, 120, 3, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 1280x1024-60 */ - { NULL, 60, 1280, 1024, 9262, 248, 48, 38, 1, 112, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1280x1024-70 */ - { NULL, 70, 1280, 1024, 7719, 224, 88, 38, 6, 136, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1280x1024-72 */ - { NULL, 72, 1280, 1024, 7490, 224, 88, 39, 7, 136, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1280x1024-75 */ - { NULL, 75, 1280, 1024, 7409, 248, 16, 38, 1, 144, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1280x1024-85 */ - { NULL, 85, 1280, 1024, 6351, 224, 64, 44, 1, 160, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1280x1024-90 */ - { NULL, 90, 1280, 1024, 5791, 240, 96, 51, 12, 144, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1280x1024-100 */ - { NULL, 100, 1280, 1024, 5212, 240, 96, 57, 6, 144, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1280x1024-60 */ - { NULL, 60, 1280, 1024, 9262, 248, 48, 38, 1, 112, 3, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 1600x1200-60 */ - { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1600x1200-70 */ - { NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1600x1200-72 */ - { NULL, 72, 1600, 1200, 5053, 288, 112, 47, 13, 176, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1600x1200-75 */ - { NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1600x1200-85 */ - { NULL, 85, 1600, 1200, 4357, 304, 64, 46, 1, 192, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1600x1200-90 */ - { NULL, 90, 1600, 1200, 3981, 304, 128, 60, 1, 176, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1600x1200-100 */ - { NULL, 100, 1600, 1200, 3563, 304, 128, 67, 1, 176, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1600x1200-60 */ - { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0 }, - /* 1920x1440-60 */ - { NULL, 60, 1920, 1440, 4273, 344, 128, 56, 1, 208, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1920x1440-70 */ - { NULL, 70, 1920, 1440, 3593, 360, 152, 55, 8, 208, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1920x1440-72 */ - { NULL, 72, 1920, 1440, 3472, 360, 152, 68, 4, 208, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1920x1440-75 */ - { NULL, 75, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, - /* 1920x1440-85 */ - { NULL, 85, 1920, 1440, 2929, 368, 152, 68, 1, 216, 3, - 0, FB_VMODE_NONINTERLACED, 0 }, -}; - -static int lxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -{ - if (var->xres > 1920 || var->yres > 1440) - return -EINVAL; - - if (var->bits_per_pixel == 32) { - var->red.offset = 16; var->red.length = 8; - var->green.offset = 8; var->green.length = 8; - var->blue.offset = 0; var->blue.length = 8; - } else if (var->bits_per_pixel == 16) { - var->red.offset = 11; var->red.length = 5; - var->green.offset = 5; var->green.length = 6; - var->blue.offset = 0; var->blue.length = 5; - } else if (var->bits_per_pixel == 8) { - var->red.offset = 0; var->red.length = 8; - var->green.offset = 0; var->green.length = 8; - var->blue.offset = 0; var->blue.length = 8; - } else - return -EINVAL; - - var->transp.offset = 0; var->transp.length = 0; - - /* Enough video memory? */ - if ((lx_get_pitch(var->xres, var->bits_per_pixel) * var->yres) - > info->fix.smem_len) - return -EINVAL; - - return 0; -} - -static int lxfb_set_par(struct fb_info *info) -{ - if (info->var.bits_per_pixel > 8) { - info->fix.visual = FB_VISUAL_TRUECOLOR; - fb_dealloc_cmap(&info->cmap); - } else { - info->fix.visual = FB_VISUAL_PSEUDOCOLOR; - fb_alloc_cmap(&info->cmap, 1<<info->var.bits_per_pixel, 0); - } - - info->fix.line_length = lx_get_pitch(info->var.xres, - info->var.bits_per_pixel); - - lx_set_mode(info); - return 0; -} - -static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf) -{ - chan &= 0xffff; - chan >>= 16 - bf->length; - return chan << bf->offset; -} - -static int lxfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - if (info->var.grayscale) { - /* grayscale = 0.30*R + 0.59*G + 0.11*B */ - red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; - } - - /* Truecolor has hardware independent palette */ - if (info->fix.visual == FB_VISUAL_TRUECOLOR) { - u32 *pal = info->pseudo_palette; - u32 v; - - if (regno >= 16) - return -EINVAL; - - v = chan_to_field(red, &info->var.red); - v |= chan_to_field(green, &info->var.green); - v |= chan_to_field(blue, &info->var.blue); - - pal[regno] = v; - } else { - if (regno >= 256) - return -EINVAL; - - lx_set_palette_reg(info, regno, red, green, blue); - } - - return 0; -} - -static int lxfb_blank(int blank_mode, struct fb_info *info) -{ - return lx_blank_display(info, blank_mode); -} - - -static int __init lxfb_map_video_memory(struct fb_info *info, - struct pci_dev *dev) -{ - struct lxfb_par *par = info->par; - int ret; - - ret = pci_enable_device(dev); - - if (ret) - return ret; - - ret = pci_request_region(dev, 0, "lxfb-framebuffer"); - - if (ret) - return ret; - - ret = pci_request_region(dev, 1, "lxfb-gp"); - - if (ret) - return ret; - - ret = pci_request_region(dev, 2, "lxfb-vg"); - - if (ret) - return ret; - - ret = pci_request_region(dev, 3, "lxfb-vip"); - - if (ret) - return ret; - - info->fix.smem_start = pci_resource_start(dev, 0); - info->fix.smem_len = fbsize ? fbsize : lx_framebuffer_size(); - - info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); - - ret = -ENOMEM; - - if (info->screen_base == NULL) - return ret; - - par->gp_regs = ioremap(pci_resource_start(dev, 1), - pci_resource_len(dev, 1)); - - if (par->gp_regs == NULL) - return ret; - - par->dc_regs = ioremap(pci_resource_start(dev, 2), - pci_resource_len(dev, 2)); - - if (par->dc_regs == NULL) - return ret; - - par->df_regs = ioremap(pci_resource_start(dev, 3), - pci_resource_len(dev, 3)); - - if (par->df_regs == NULL) - return ret; - - writel(DC_UNLOCK_CODE, par->dc_regs + DC_UNLOCK); - - writel(info->fix.smem_start & 0xFF000000, - par->dc_regs + DC_PHY_MEM_OFFSET); - - writel(0, par->dc_regs + DC_UNLOCK); - - dev_info(&dev->dev, "%d KB of video memory at 0x%lx\n", - info->fix.smem_len / 1024, info->fix.smem_start); - - return 0; -} - -static struct fb_ops lxfb_ops = { - .owner = THIS_MODULE, - .fb_check_var = lxfb_check_var, - .fb_set_par = lxfb_set_par, - .fb_setcolreg = lxfb_setcolreg, - .fb_blank = lxfb_blank, - /* No HW acceleration for now. */ - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, -}; - -static struct fb_info * __init lxfb_init_fbinfo(struct device *dev) -{ - struct lxfb_par *par; - struct fb_info *info; - - /* Alloc enough space for the pseudo palette. */ - info = framebuffer_alloc(sizeof(struct lxfb_par) + sizeof(u32) * 16, - dev); - if (!info) - return NULL; - - par = info->par; - - strcpy(info->fix.id, "Geode LX"); - - info->fix.type = FB_TYPE_PACKED_PIXELS; - info->fix.type_aux = 0; - info->fix.xpanstep = 0; - info->fix.ypanstep = 0; - info->fix.ywrapstep = 0; - info->fix.accel = FB_ACCEL_NONE; - - info->var.nonstd = 0; - info->var.activate = FB_ACTIVATE_NOW; - info->var.height = -1; - info->var.width = -1; - info->var.accel_flags = 0; - info->var.vmode = FB_VMODE_NONINTERLACED; - - info->fbops = &lxfb_ops; - info->flags = FBINFO_DEFAULT; - info->node = -1; - - info->pseudo_palette = (void *)par + sizeof(struct lxfb_par); - - info->var.grayscale = 0; - - return info; -} - -static int __init lxfb_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - struct lxfb_par *par; - struct fb_info *info; - int ret; - - struct fb_videomode *modedb_ptr; - int modedb_size; - - info = lxfb_init_fbinfo(&pdev->dev); - - if (info == NULL) - return -ENOMEM; - - par = info->par; - - ret = lxfb_map_video_memory(info, pdev); - - if (ret < 0) { - dev_err(&pdev->dev, - "failed to map frame buffer or controller registers\n"); - goto err; - } - - /* Set up the desired outputs */ - - par->output = 0; - par->output |= (nopanel) ? 0 : OUTPUT_PANEL; - par->output |= (nocrt) ? 0 : OUTPUT_CRT; - - /* Set up the mode database */ - - modedb_ptr = (struct fb_videomode *) geode_modedb; - modedb_size = ARRAY_SIZE(geode_modedb); - - ret = fb_find_mode(&info->var, info, mode_option, - modedb_ptr, modedb_size, NULL, 16); - - if (ret == 0 || ret == 4) { - dev_err(&pdev->dev, "could not find valid video mode\n"); - ret = -EINVAL; - goto err; - } - - /* Clear the screen of garbage, unless noclear was specified, - * in which case we assume the user knows what he is doing */ - - if (!noclear) - memset_io(info->screen_base, 0, info->fix.smem_len); - - /* Set the mode */ - - lxfb_check_var(&info->var, info); - lxfb_set_par(info); - - if (register_framebuffer(info) < 0) { - ret = -EINVAL; - goto err; - } - pci_set_drvdata(pdev, info); - printk(KERN_INFO "fb%d: %s frame buffer device\n", - info->node, info->fix.id); - - return 0; - -err: - if (info->screen_base) { - iounmap(info->screen_base); - pci_release_region(pdev, 0); - } - if (par->gp_regs) { - iounmap(par->gp_regs); - pci_release_region(pdev, 1); - } - if (par->dc_regs) { - iounmap(par->dc_regs); - pci_release_region(pdev, 2); - } - if (par->df_regs) { - iounmap(par->df_regs); - pci_release_region(pdev, 3); - } - - if (info) - framebuffer_release(info); - - return ret; -} - -static void lxfb_remove(struct pci_dev *pdev) -{ - struct fb_info *info = pci_get_drvdata(pdev); - struct lxfb_par *par = info->par; - - unregister_framebuffer(info); - - iounmap(info->screen_base); - pci_release_region(pdev, 0); - - iounmap(par->gp_regs); - pci_release_region(pdev, 1); - - iounmap(par->dc_regs); - pci_release_region(pdev, 2); - - iounmap(par->df_regs); - pci_release_region(pdev, 3); - - pci_set_drvdata(pdev, NULL); - framebuffer_release(info); -} - -static struct pci_device_id lxfb_id_table[] = { - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LX_VIDEO) }, - { 0, } -}; - -MODULE_DEVICE_TABLE(pci, lxfb_id_table); - -static struct pci_driver lxfb_driver = { - .name = "lxfb", - .id_table = lxfb_id_table, - .probe = lxfb_probe, - .remove = lxfb_remove, -}; - -#ifndef MODULE -static int __init lxfb_setup(char *options) -{ - char *opt; - - if (!options || !*options) - return 0; - - while ((opt = strsep(&options, ",")) != NULL) { - if (!*opt) - continue; - - if (!strncmp(opt, "fbsize:", 7)) - fbsize = simple_strtoul(opt+7, NULL, 0); - else if (!strcmp(opt, "noclear")) - noclear = 1; - else if (!strcmp(opt, "nopanel")) - nopanel = 1; - else if (!strcmp(opt, "nocrt")) - nocrt = 1; - else - mode_option = opt; - } - - return 0; -} -#endif - -static int __init lxfb_init(void) -{ -#ifndef MODULE - char *option = NULL; - - if (fb_get_options("lxfb", &option)) - return -ENODEV; - - lxfb_setup(option); -#endif - return pci_register_driver(&lxfb_driver); -} -static void __exit lxfb_cleanup(void) -{ - pci_unregister_driver(&lxfb_driver); -} - -module_init(lxfb_init); -module_exit(lxfb_cleanup); - -module_param(mode_option, charp, 0); -MODULE_PARM_DESC(mode_option, "video mode (<x>x<y>[-<bpp>][@<refr>])"); - -module_param(fbsize, int, 0); -MODULE_PARM_DESC(fbsize, "video memory size"); - -MODULE_DESCRIPTION("Framebuffer driver for the AMD Geode LX"); -MODULE_LICENSE("GPL"); |