diff options
Diffstat (limited to 'drivers/video/geode')
| -rw-r--r-- | drivers/video/geode/Kconfig | 29 | ||||
| -rw-r--r-- | drivers/video/geode/Makefile | 5 | ||||
| -rw-r--r-- | drivers/video/geode/display_gx1.c | 214 | ||||
| -rw-r--r-- | drivers/video/geode/display_gx1.h | 154 | ||||
| -rw-r--r-- | drivers/video/geode/geodefb.h | 39 | ||||
| -rw-r--r-- | drivers/video/geode/gx1fb_core.c | 359 | ||||
| -rw-r--r-- | drivers/video/geode/video_cs5530.c | 195 | ||||
| -rw-r--r-- | drivers/video/geode/video_cs5530.h | 75 |
8 files changed, 0 insertions, 1070 deletions
diff --git a/drivers/video/geode/Kconfig b/drivers/video/geode/Kconfig deleted file mode 100644 index b075fd02de3..00000000000 --- a/drivers/video/geode/Kconfig +++ /dev/null @@ -1,29 +0,0 @@ -# -# Geode family framebuffer configuration -# -config FB_GEODE - bool "AMD Geode family framebuffer support (EXPERIMENTAL)" - default n - depends on FB && EXPERIMENTAL && X86 - ---help--- - Say 'Y' here to allow you to select framebuffer drivers for - the AMD Geode family of processors. - -config FB_GEODE_GX1 - tristate "AMD Geode GX1 framebuffer support (EXPERIMENTAL)" - default n - depends on FB_GEODE && EXPERIMENTAL - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - select FB_SOFT_CURSOR - ---help--- - Framebuffer driver for the display controller integrated into the - AMD Geode GX1 processor. - - This driver is also available as a module ( = code which can be - inserted and removed from the running kernel whenever you want). The - module will be called gx1fb. If you want to compile it as a module, - say M here and read <file:Documentation/modules.txt>. - - If unsure, say N. diff --git a/drivers/video/geode/Makefile b/drivers/video/geode/Makefile deleted file mode 100644 index 13ad501ea99..00000000000 --- a/drivers/video/geode/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# Makefile for the Geode family framebuffer drivers - -obj-$(CONFIG_FB_GEODE_GX1) += gx1fb.o - -gx1fb-objs := gx1fb_core.o display_gx1.o video_cs5530.o diff --git a/drivers/video/geode/display_gx1.c b/drivers/video/geode/display_gx1.c deleted file mode 100644 index f4983879fcc..00000000000 --- a/drivers/video/geode/display_gx1.c +++ /dev/null @@ -1,214 +0,0 @@ -/* - * drivers/video/geode/display_gx1.c - * -- Geode GX1 display controller - * - * Copyright (C) 2005 Arcom Control Systems Ltd. - * - * Based on AMD's original 2.4 driver: - * Copyright (C) 2004 Advanced Micro Devices, Inc. - * - * 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/spinlock.h> -#include <linux/fb.h> -#include <linux/delay.h> -#include <asm/io.h> -#include <asm/div64.h> -#include <asm/delay.h> - -#include "geodefb.h" -#include "display_gx1.h" - -static spinlock_t gx1_conf_reg_lock = SPIN_LOCK_UNLOCKED; - -static u8 gx1_read_conf_reg(u8 reg) -{ - u8 val, ccr3; - unsigned long flags; - - spin_lock_irqsave(&gx1_conf_reg_lock, flags); - - outb(CONFIG_CCR3, 0x22); - ccr3 = inb(0x23); - outb(CONFIG_CCR3, 0x22); - outb(ccr3 | CONFIG_CCR3_MAPEN, 0x23); - outb(reg, 0x22); - val = inb(0x23); - outb(CONFIG_CCR3, 0x22); - outb(ccr3, 0x23); - - spin_unlock_irqrestore(&gx1_conf_reg_lock, flags); - - return val; -} - -unsigned gx1_gx_base(void) -{ - return (gx1_read_conf_reg(CONFIG_GCR) & 0x03) << 30; -} - -int gx1_frame_buffer_size(void) -{ - void __iomem *mc_regs; - u32 bank_cfg; - int d; - unsigned dram_size = 0, fb_base; - - mc_regs = ioremap(gx1_gx_base() + 0x8400, 0x100); - if (!mc_regs) - return -ENOMEM; - - - /* Calculate the total size of both DIMM0 and DIMM1. */ - bank_cfg = readl(mc_regs + MC_BANK_CFG); - - for (d = 0; d < 2; d++) { - if ((bank_cfg & MC_BCFG_DIMM0_PG_SZ_MASK) != MC_BCFG_DIMM0_PG_SZ_NO_DIMM) - dram_size += 0x400000 << ((bank_cfg & MC_BCFG_DIMM0_SZ_MASK) >> 8); - bank_cfg >>= 16; /* look at DIMM1 next */ - } - - fb_base = (readl(mc_regs + MC_GBASE_ADD) & MC_GADD_GBADD_MASK) << 19; - - iounmap(mc_regs); - - return dram_size - fb_base; -} - -static void gx1_set_mode(struct fb_info *info) -{ - struct geodefb_par *par = info->par; - u32 gcfg, tcfg, ocfg, dclk_div, val; - int hactive, hblankstart, hsyncstart, hsyncend, hblankend, htotal; - int vactive, vblankstart, vsyncstart, vsyncend, vblankend, vtotal; - - /* Unlock the display controller registers. */ - readl(par->dc_regs + DC_UNLOCK); - writel(DC_UNLOCK_CODE, par->dc_regs + DC_UNLOCK); - - gcfg = readl(par->dc_regs + DC_GENERAL_CFG); - tcfg = readl(par->dc_regs + DC_TIMING_CFG); - - /* Blank the display and disable the timing generator. */ - tcfg &= ~(DC_TCFG_BLKE | DC_TCFG_TGEN); - writel(tcfg, par->dc_regs + DC_TIMING_CFG); - - /* Wait for pending memory requests before disabling the FIFO load. */ - udelay(100); - - /* Disable FIFO load and compression. */ - gcfg &= ~(DC_GCFG_DFLE | DC_GCFG_CMPE | DC_GCFG_DECE); - writel(gcfg, par->dc_regs + DC_GENERAL_CFG); - - /* Setup DCLK and its divisor. */ - gcfg &= ~DC_GCFG_DCLK_MASK; - writel(gcfg, par->dc_regs + DC_GENERAL_CFG); - - par->vid_ops->set_dclk(info); - - dclk_div = DC_GCFG_DCLK_DIV_1; /* FIXME: may need to divide DCLK by 2 sometimes? */ - gcfg |= dclk_div; - writel(gcfg, par->dc_regs + DC_GENERAL_CFG); - - /* Wait for the clock generatation to settle. This is needed since - * some of the register writes that follow require that clock to be - * present. */ - udelay(1000); /* FIXME: seems a little long */ - - /* - * Setup new mode. - */ - - /* Clear all unused feature bits. */ - gcfg = DC_GCFG_VRDY | dclk_div; - - /* Set FIFO priority (default 6/5) and enable. */ - /* FIXME: increase fifo priority for 1280x1024 modes? */ - gcfg |= (6 << DC_GCFG_DFHPEL_POS) | (5 << DC_GCFG_DFHPSL_POS) | DC_GCFG_DFLE; - - /* FIXME: Set pixel and line double bits if necessary. */ - - /* Framebuffer start offset. */ - writel(0, par->dc_regs + DC_FB_ST_OFFSET); - - /* Line delta and line buffer length. */ - writel(info->fix.line_length >> 2, par->dc_regs + DC_LINE_DELTA); - writel(((info->var.xres * info->var.bits_per_pixel/8) >> 3) + 2, - par->dc_regs + DC_BUF_SIZE); - - /* Output configuration. Enable panel data, set pixel format. */ - ocfg = DC_OCFG_PCKE | DC_OCFG_PDEL | DC_OCFG_PDEH; - if (info->var.bits_per_pixel == 8) ocfg |= DC_OCFG_8BPP; - - /* Enable timing generator, sync and FP data. */ - tcfg = DC_TCFG_FPPE | DC_TCFG_HSYE | DC_TCFG_VSYE | DC_TCFG_BLKE - | DC_TCFG_TGEN; - - /* Horizontal and vertical timings. */ - hactive = info->var.xres; - hblankstart = hactive; - hsyncstart = hblankstart + info->var.right_margin; - hsyncend = hsyncstart + info->var.hsync_len; - hblankend = hsyncend + info->var.left_margin; - htotal = hblankend; - - vactive = info->var.yres; - vblankstart = vactive; - vsyncstart = vblankstart + info->var.lower_margin; - vsyncend = vsyncstart + info->var.vsync_len; - vblankend = vsyncend + info->var.upper_margin; - vtotal = vblankend; - - val = (hactive - 1) | ((htotal - 1) << 16); - writel(val, par->dc_regs + DC_H_TIMING_1); - val = (hblankstart - 1) | ((hblankend - 1) << 16); - writel(val, par->dc_regs + DC_H_TIMING_2); - val = (hsyncstart - 1) | ((hsyncend - 1) << 16); - writel(val, par->dc_regs + DC_H_TIMING_3); - writel(val, par->dc_regs + DC_FP_H_TIMING); - val = (vactive - 1) | ((vtotal - 1) << 16); - writel(val, par->dc_regs + DC_V_TIMING_1); - val = (vblankstart - 1) | ((vblankend - 1) << 16); - writel(val, par->dc_regs + DC_V_TIMING_2); - val = (vsyncstart - 1) | ((vsyncend - 1) << 16); - writel(val, par->dc_regs + DC_V_TIMING_3); - val = (vsyncstart - 2) | ((vsyncend - 2) << 16); - writel(val, par->dc_regs + DC_FP_V_TIMING); - - /* Write final register values. */ - writel(ocfg, par->dc_regs + DC_OUTPUT_CFG); - writel(tcfg, par->dc_regs + DC_TIMING_CFG); - udelay(1000); /* delay after TIMING_CFG. FIXME: perhaps a little long */ - writel(gcfg, par->dc_regs + DC_GENERAL_CFG); - - par->vid_ops->configure_display(info); - - /* Relock display controller registers */ - writel(0, par->dc_regs + DC_UNLOCK); - - /* FIXME: write line_length and bpp to Graphics Pipeline GP_BLT_STATUS - * register. */ -} - -static void gx1_set_hw_palette_reg(struct fb_info *info, unsigned regno, - unsigned red, unsigned green, unsigned blue) -{ - struct geodefb_par *par = info->par; - int val; - - /* Hardware palette is in RGB 6-6-6 format. */ - val = (red << 2) & 0x3f000; - val |= (green >> 4) & 0x00fc0; - val |= (blue >> 10) & 0x0003f; - - writel(regno, par->dc_regs + DC_PAL_ADDRESS); - writel(val, par->dc_regs + DC_PAL_DATA); -} - -struct geode_dc_ops gx1_dc_ops = { - .set_mode = gx1_set_mode, - .set_palette_reg = gx1_set_hw_palette_reg, -}; diff --git a/drivers/video/geode/display_gx1.h b/drivers/video/geode/display_gx1.h deleted file mode 100644 index 671c05558c7..00000000000 --- a/drivers/video/geode/display_gx1.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - * drivers/video/geode/display_gx1.h - * -- Geode GX1 display controller - * - * Copyright (C) 2005 Arcom Control Systems Ltd. - * - * Based on AMD's original 2.4 driver: - * Copyright (C) 2004 Advanced Micro Devices, Inc. - * - * 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. - */ -#ifndef __DISPLAY_GX1_H__ -#define __DISPLAY_GX1_H__ - -unsigned gx1_gx_base(void); -int gx1_frame_buffer_size(void); - -extern struct geode_dc_ops gx1_dc_ops; - -/* GX1 configuration I/O registers */ - -#define CONFIG_CCR3 0xc3 -# define CONFIG_CCR3_MAPEN 0x10 -#define CONFIG_GCR 0xb8 - -/* Memory controller registers */ - -#define MC_BANK_CFG 0x08 -# define MC_BCFG_DIMM0_SZ_MASK 0x00000700 -# define MC_BCFG_DIMM0_PG_SZ_MASK 0x00000070 -# define MC_BCFG_DIMM0_PG_SZ_NO_DIMM 0x00000070 - -#define MC_GBASE_ADD 0x14 -# define MC_GADD_GBADD_MASK 0x000003ff - -/* Display controller registers */ - -#define DC_PAL_ADDRESS 0x70 -#define DC_PAL_DATA 0x74 - -#define DC_UNLOCK 0x00 -# define DC_UNLOCK_CODE 0x00004758 - -#define DC_GENERAL_CFG 0x04 -# define DC_GCFG_DFLE 0x00000001 -# define DC_GCFG_CURE 0x00000002 -# define DC_GCFG_VCLK_DIV 0x00000004 -# define DC_GCFG_PLNO 0x00000004 -# define DC_GCFG_PPC 0x00000008 -# define DC_GCFG_CMPE 0x00000010 -# define DC_GCFG_DECE 0x00000020 -# define DC_GCFG_DCLK_MASK 0x000000C0 -# define DC_GCFG_DCLK_DIV_1 0x00000080 -# define DC_GCFG_DFHPSL_MASK 0x00000F00 -# define DC_GCFG_DFHPSL_POS 8 -# define DC_GCFG_DFHPEL_MASK 0x0000F000 -# define DC_GCFG_DFHPEL_POS 12 -# define DC_GCFG_CIM_MASK 0x00030000 -# define DC_GCFG_CIM_POS 16 -# define DC_GCFG_FDTY 0x00040000 -# define DC_GCFG_RTPM 0x00080000 -# define DC_GCFG_DAC_RS_MASK 0x00700000 -# define DC_GCFG_DAC_RS_POS 20 -# define DC_GCFG_CKWR 0x00800000 -# define DC_GCFG_LDBL 0x01000000 -# define DC_GCFG_DIAG 0x02000000 -# define DC_GCFG_CH4S 0x04000000 -# define DC_GCFG_SSLC 0x08000000 -# define DC_GCFG_VIDE 0x10000000 -# define DC_GCFG_VRDY 0x20000000 -# define DC_GCFG_DPCK 0x40000000 -# define DC_GCFG_DDCK 0x80000000 - -#define DC_TIMING_CFG 0x08 -# define DC_TCFG_FPPE 0x00000001 -# define DC_TCFG_HSYE 0x00000002 -# define DC_TCFG_VSYE 0x00000004 -# define DC_TCFG_BLKE 0x00000008 -# define DC_TCFG_DDCK 0x00000010 -# define DC_TCFG_TGEN 0x00000020 -# define DC_TCFG_VIEN 0x00000040 -# define DC_TCFG_BLNK 0x00000080 -# define DC_TCFG_CHSP 0x00000100 -# define DC_TCFG_CVSP 0x00000200 -# define DC_TCFG_FHSP 0x00000400 -# define DC_TCFG_FVSP 0x00000800 -# define DC_TCFG_FCEN 0x00001000 -# define DC_TCFG_CDCE 0x00002000 -# define DC_TCFG_PLNR 0x00002000 -# define DC_TCFG_INTL 0x00004000 -# define DC_TCFG_PXDB 0x00008000 -# define DC_TCFG_BKRT 0x00010000 -# define DC_TCFG_PSD_MASK 0x000E0000 -# define DC_TCFG_PSD_POS 17 -# define DC_TCFG_DDCI 0x08000000 -# define DC_TCFG_SENS 0x10000000 -# define DC_TCFG_DNA 0x20000000 -# define DC_TCFG_VNA 0x40000000 -# define DC_TCFG_VINT 0x80000000 - -#define DC_OUTPUT_CFG 0x0C -# define DC_OCFG_8BPP 0x00000001 -# define DC_OCFG_555 0x00000002 -# define DC_OCFG_PCKE 0x00000004 -# define DC_OCFG_FRME 0x00000008 -# define DC_OCFG_DITE 0x00000010 -# define DC_OCFG_2PXE 0x00000020 -# define DC_OCFG_2XCK 0x00000040 -# define DC_OCFG_2IND 0x00000080 -# define DC_OCFG_34ADD 0x00000100 -# define DC_OCFG_FRMS 0x00000200 -# define DC_OCFG_CKSL 0x00000400 -# define DC_OCFG_PRMP 0x00000800 -# define DC_OCFG_PDEL 0x00001000 -# define DC_OCFG_PDEH 0x00002000 -# define DC_OCFG_CFRW 0x00004000 -# define DC_OCFG_DIAG 0x00008000 - -#define DC_FB_ST_OFFSET 0x10 -#define DC_CB_ST_OFFSET 0x14 -#define DC_CURS_ST_OFFSET 0x18 -#define DC_ICON_ST_OFFSET 0x1C -#define DC_VID_ST_OFFSET 0x20 -#define DC_LINE_DELTA 0x24 -#define DC_BUF_SIZE 0x28 - -#define DC_H_TIMING_1 0x30 -#define DC_H_TIMING_2 0x34 -#define DC_H_TIMING_3 0x38 -#define DC_FP_H_TIMING 0x3C - -#define DC_V_TIMING_1 0x40 -#define DC_V_TIMING_2 0x44 -#define DC_V_TIMING_3 0x48 -#define DC_FP_V_TIMING 0x4C - -#define DC_CURSOR_X 0x50 -#define DC_ICON_X 0x54 -#define DC_V_LINE_CNT 0x54 -#define DC_CURSOR_Y 0x58 -#define DC_ICON_Y 0x5C -#define DC_SS_LINE_CMP 0x5C -#define DC_CURSOR_COLOR 0x60 -#define DC_ICON_COLOR 0x64 -#define DC_BORDER_COLOR 0x68 -#define DC_PAL_ADDRESS 0x70 -#define DC_PAL_DATA 0x74 -#define DC_DFIFO_DIAG 0x78 -#define DC_CFIFO_DIAG 0x7C - -#endif /* !__DISPLAY_GX1_H__ */ diff --git a/drivers/video/geode/geodefb.h b/drivers/video/geode/geodefb.h deleted file mode 100644 index b7bac0a526b..00000000000 --- a/drivers/video/geode/geodefb.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * drivers/video/geode/geodefb.h - * -- Geode framebuffer driver - * - * Copyright (C) 2005 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. - */ -#ifndef __GEODEFB_H__ -#define __GEODEFB_H__ - -struct geodefb_info; - -struct geode_dc_ops { - void (*set_mode)(struct fb_info *); - void (*set_palette_reg)(struct fb_info *, unsigned, unsigned, unsigned, unsigned); -}; - -struct geode_vid_ops { - void (*set_dclk)(struct fb_info *); - void (*configure_display)(struct fb_info *); - int (*blank_display)(struct fb_info *, int blank_mode); -}; - -struct geodefb_par { - int enable_crt; - int panel_x; /* dimensions of an attached flat panel, non-zero => enable panel */ - int panel_y; - struct pci_dev *vid_dev; - void __iomem *dc_regs; - void __iomem *vid_regs; - struct geode_dc_ops *dc_ops; - struct geode_vid_ops *vid_ops; -}; - -#endif /* !__GEODEFB_H__ */ diff --git a/drivers/video/geode/gx1fb_core.c b/drivers/video/geode/gx1fb_core.c deleted file mode 100644 index 83830d24bcd..00000000000 --- a/drivers/video/geode/gx1fb_core.c +++ /dev/null @@ -1,359 +0,0 @@ -/* - * drivers/video/geode/gx1fb_core.c - * -- Geode GX1 framebuffer driver - * - * Copyright (C) 2005 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/mm.h> -#include <linux/tty.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/pci.h> - -#include "geodefb.h" -#include "display_gx1.h" -#include "video_cs5530.h" - -static char mode_option[32] = "640x480-16@60"; -static int crt_option = 1; -static char panel_option[32] = ""; - -static int gx1_line_delta(int xres, int bpp) -{ - int line_delta = xres * (bpp >> 3); - - if (line_delta > 2048) - line_delta = 4096; - else if (line_delta > 1024) - line_delta = 2048; - else - line_delta = 1024; - return line_delta; -} - -static int gx1fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -{ - struct geodefb_par *par = info->par; - - printk(KERN_DEBUG "%s()\n", __FUNCTION__); - - /* Maximum resolution is 1280x1024. */ - if (var->xres > 1280 || var->yres > 1024) - return -EINVAL; - - if (par->panel_x && (var->xres > par->panel_x || var->yres > par->panel_y)) - return -EINVAL; - - /* Only 16 bpp and 8 bpp is supported by the hardware. */ - 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; - var->transp.offset = 0; var->transp.length = 0; - } 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; - var->transp.offset = 0; var->transp.length = 0; - } else - return -EINVAL; - - /* Enough video memory? */ - if (gx1_line_delta(var->xres, var->bits_per_pixel) * var->yres > info->fix.smem_len) - return -EINVAL; - - /* FIXME: Check timing parameters here? */ - - return 0; -} - -static int gx1fb_set_par(struct fb_info *info) -{ - struct geodefb_par *par = info->par; - - if (info->var.bits_per_pixel == 16) { - 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 = gx1_line_delta(info->var.xres, info->var.bits_per_pixel); - - par->dc_ops->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 gx1fb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - struct geodefb_par *par = info->par; - - 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; - - par->dc_ops->set_palette_reg(info, regno, red, green, blue); - } - - return 0; -} - -static int gx1fb_blank(int blank_mode, struct fb_info *info) -{ - struct geodefb_par *par = info->par; - - return par->vid_ops->blank_display(info, blank_mode); -} - -static int __init gx1fb_map_video_memory(struct fb_info *info) -{ - struct geodefb_par *par = info->par; - unsigned gx_base; - int fb_len; - - gx_base = gx1_gx_base(); - if (!gx_base) - return -ENODEV; - - par->vid_dev = pci_get_device(PCI_VENDOR_ID_CYRIX, - PCI_DEVICE_ID_CYRIX_5530_VIDEO, NULL); - if (!par->vid_dev) - return -ENODEV; - - par->vid_regs = ioremap(pci_resource_start(par->vid_dev, 1), - pci_resource_len(par->vid_dev, 1)); - if (!par->vid_regs) - return -ENOMEM; - - par->dc_regs = ioremap(gx_base + 0x8300, 0x100); - if (!par->dc_regs) - return -ENOMEM; - - info->fix.smem_start = gx_base + 0x800000; - if ((fb_len = gx1_frame_buffer_size()) < 0) - return -ENOMEM; - info->fix.smem_len = fb_len; - info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); - if (!info->screen_base) - return -ENOMEM; - - printk(KERN_INFO "%s: %d Kibyte of video memory at 0x%lx\n", - info->fix.id, info->fix.smem_len / 1024, info->fix.smem_start); - - return 0; -} - -static int parse_panel_option(struct fb_info *info) -{ - struct geodefb_par *par = info->par; - - if (strcmp(panel_option, "") != 0) { - int x, y; - char *s; - x = simple_strtol(panel_option, &s, 10); - if (!x) - return -EINVAL; - y = simple_strtol(s + 1, NULL, 10); - if (!y) - return -EINVAL; - par->panel_x = x; - par->panel_y = y; - } - return 0; -} - -static struct fb_ops gx1fb_ops = { - .owner = THIS_MODULE, - .fb_check_var = gx1fb_check_var, - .fb_set_par = gx1fb_set_par, - .fb_setcolreg = gx1fb_setcolreg, - .fb_blank = gx1fb_blank, - /* No HW acceleration for now. */ - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_cursor = soft_cursor, -}; - -static struct fb_info * __init gx1fb_init_fbinfo(void) -{ - struct fb_info *info; - struct geodefb_par *par; - - /* Alloc enough space for the pseudo palette. */ - info = framebuffer_alloc(sizeof(struct geodefb_par) + sizeof(u32) * 16, NULL); - if (!info) - return NULL; - - par = info->par; - - strcpy(info->fix.id, "GX1"); - - 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 = &gx1fb_ops; - info->flags = FBINFO_DEFAULT; - info->node = -1; - - info->pseudo_palette = (void *)par + sizeof(struct geodefb_par); - - info->var.grayscale = 0; - - /* CRT and panel options */ - par->enable_crt = crt_option; - if (parse_panel_option(info) < 0) - printk(KERN_WARNING "%s: invalid 'panel' option -- disabling flat panel\n", - info->fix.id); - if (!par->panel_x) - par->enable_crt = 1; /* fall back to CRT if no panel is specified */ - - return info; -} - - -static struct fb_info *gx1fb_info; - -static int __init gx1fb_init(void) -{ - struct fb_info *info; - struct geodefb_par *par; - int ret; - -#ifndef MODULE - if (fb_get_options("gx1fb", NULL)) - return -ENODEV; -#endif - - info = gx1fb_init_fbinfo(); - if (!info) - return -ENOMEM; - gx1fb_info = info; - - par = info->par; - - /* GX1 display controller and CS5530 video device */ - par->dc_ops = &gx1_dc_ops; - par->vid_ops = &cs5530_vid_ops; - - if ((ret = gx1fb_map_video_memory(info)) < 0) { - printk(KERN_ERR "%s: gx1fb_map_video_memory() failed\n", info->fix.id); - goto err; - } - - ret = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 16); - if (ret == 0 || ret == 4) { - printk(KERN_ERR "%s: could not find valid video mode\n", info->fix.id); - ret = -EINVAL; - goto err; - } - - /* Clear the frame buffer of garbage. */ - memset_io(info->screen_base, 0, info->fix.smem_len); - - gx1fb_check_var(&info->var, info); - gx1fb_set_par(info); - - if (register_framebuffer(info) < 0) { - ret = -EINVAL; - goto err; - } - 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); - if (par->vid_regs) - iounmap(par->vid_regs); - if (par->dc_regs) - iounmap(par->dc_regs); - if (par->vid_dev) - pci_dev_put(par->vid_dev); - if (info) - framebuffer_release(info); - return ret; -} - -static void __exit gx1fb_cleanup(void) -{ - struct fb_info *info = gx1fb_info; - struct geodefb_par *par = gx1fb_info->par; - - unregister_framebuffer(info); - - iounmap((void __iomem *)info->screen_base); - iounmap(par->vid_regs); - iounmap(par->dc_regs); - - pci_dev_put(par->vid_dev); - - framebuffer_release(info); -} - -module_init(gx1fb_init); -module_exit(gx1fb_cleanup); - -module_param_string(mode, mode_option, sizeof(mode_option), 0444); -MODULE_PARM_DESC(mode, "video mode (<x>x<y>[-<bpp>][@<refr>])"); - -module_param_named(crt, crt_option, int, 0444); -MODULE_PARM_DESC(crt, "enable CRT output. 0 = off, 1 = on (default)"); - -module_param_string(panel, panel_option, sizeof(panel_option), 0444); -MODULE_PARM_DESC(panel, "size of attached flat panel (<x>x<y>)"); - -MODULE_DESCRIPTION("framebuffer driver for the AMD Geode GX1"); -MODULE_LICENSE("GPL"); diff --git a/drivers/video/geode/video_cs5530.c b/drivers/video/geode/video_cs5530.c deleted file mode 100644 index d3764acf844..00000000000 --- a/drivers/video/geode/video_cs5530.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * drivers/video/geode/video_cs5530.c - * -- CS5530 video device - * - * Copyright (C) 2005 Arcom Control Systems Ltd. - * - * Based on AMD's original 2.4 driver: - * Copyright (C) 2004 Advanced Micro Devices, Inc. - * - * 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/fb.h> -#include <linux/delay.h> -#include <asm/io.h> -#include <asm/delay.h> - -#include "geodefb.h" -#include "video_cs5530.h" - -/* - * CS5530 PLL table. This maps pixclocks to the appropriate PLL register - * value. - */ -struct cs5530_pll_entry { - long pixclock; /* ps */ - u32 pll_value; -}; - -static const struct cs5530_pll_entry cs5530_pll_table[] = { - { 39721, 0x31C45801, }, /* 25.1750 MHz */ - { 35308, 0x20E36802, }, /* 28.3220 */ - { 31746, 0x33915801, }, /* 31.5000 */ - { 27777, 0x31EC4801, }, /* 36.0000 */ - { 26666, 0x21E22801, }, /* 37.5000 */ - { 25000, 0x33088801, }, /* 40.0000 */ - { 22271, 0x33E22801, }, /* 44.9000 */ - { 20202, 0x336C4801, }, /* 49.5000 */ - { 20000, 0x23088801, }, /* 50.0000 */ - { 19860, 0x23088801, }, /* 50.3500 */ - { 18518, 0x3708A801, }, /* 54.0000 */ - { 17777, 0x23E36802, }, /* 56.2500 */ - { 17733, 0x23E36802, }, /* 56.3916 */ - { 17653, 0x23E36802, }, /* 56.6444 */ - { 16949, 0x37C45801, }, /* 59.0000 */ - { 15873, 0x23EC4801, }, /* 63.0000 */ - { 15384, 0x37911801, }, /* 65.0000 */ - { 14814, 0x37963803, }, /* 67.5000 */ - { 14124, 0x37058803, }, /* 70.8000 */ - { 13888, 0x3710C805, }, /* 72.0000 */ - { 13333, 0x37E22801, }, /* 75.0000 */ - { 12698, 0x27915801, }, /* 78.7500 */ - { 12500, 0x37D8D802, }, /* 80.0000 */ - { 11135, 0x27588802, }, /* 89.8000 */ - { 10582, 0x27EC4802, }, /* 94.5000 */ - { 10101, 0x27AC6803, }, /* 99.0000 */ - { 10000, 0x27088801, }, /* 100.0000 */ - { 9259, 0x2710C805, }, /* 108.0000 */ - { 8888, 0x27E36802, }, /* 112.5000 */ - { 7692, 0x27C58803, }, /* 130.0000 */ - { 7407, 0x27316803, }, /* 135.0000 */ - { 6349, 0x2F915801, }, /* 157.5000 */ - { 6172, 0x2F08A801, }, /* 162.0000 */ - { 5714, 0x2FB11802, }, /* 175.0000 */ - { 5291, 0x2FEC4802, }, /* 189.0000 */ - { 4950, 0x2F963803, }, /* 202.0000 */ - { 4310, 0x2FB1B802, }, /* 232.0000 */ -}; - -#define NUM_CS5530_FREQUENCIES sizeof(cs5530_pll_table)/sizeof(struct cs5530_pll_entry) - -static void cs5530_set_dclk_frequency(struct fb_info *info) -{ - struct geodefb_par *par = info->par; - int i; - u32 value; - long min, diff; - - /* Search the table for the closest pixclock. */ - value = cs5530_pll_table[0].pll_value; - min = cs5530_pll_table[0].pixclock - info->var.pixclock; - if (min < 0) min = -min; - for (i = 1; i < NUM_CS5530_FREQUENCIES; i++) { - diff = cs5530_pll_table[i].pixclock - info->var.pixclock; - if (diff < 0L) diff = -diff; - if (diff < min) { - min = diff; - value = cs5530_pll_table[i].pll_value; - } - } - - writel(value, par->vid_regs + CS5530_DOT_CLK_CONFIG); - writel(value | 0x80000100, par->vid_regs + CS5530_DOT_CLK_CONFIG); /* set reset and bypass */ - udelay(500); /* wait for PLL to settle */ - writel(value & 0x7FFFFFFF, par->vid_regs + CS5530_DOT_CLK_CONFIG); /* clear reset */ - writel(value & 0x7FFFFEFF, par->vid_regs + CS5530_DOT_CLK_CONFIG); /* clear bypass */ -} - -static void cs5530_configure_display(struct fb_info *info) -{ - struct geodefb_par *par = info->par; - u32 dcfg; - - dcfg = readl(par->vid_regs + CS5530_DISPLAY_CONFIG); - - /* Clear bits from existing mode. */ - dcfg &= ~(CS5530_DCFG_CRT_SYNC_SKW_MASK | CS5530_DCFG_PWR_SEQ_DLY_MASK - | CS5530_DCFG_CRT_HSYNC_POL | CS5530_DCFG_CRT_VSYNC_POL - | CS5530_DCFG_FP_PWR_EN | CS5530_DCFG_FP_DATA_EN - | CS5530_DCFG_DAC_PWR_EN | CS5530_DCFG_VSYNC_EN - | CS5530_DCFG_HSYNC_EN); - - /* Set default sync skew and power sequence delays. */ - dcfg |= (CS5530_DCFG_CRT_SYNC_SKW_INIT | CS5530_DCFG_PWR_SEQ_DLY_INIT - | CS5530_DCFG_GV_PAL_BYP); - - /* Enable DACs, hsync and vsync for CRTs */ - if (par->enable_crt) { - dcfg |= CS5530_DCFG_DAC_PWR_EN; - dcfg |= CS5530_DCFG_HSYNC_EN | CS5530_DCFG_VSYNC_EN; - } - /* Enable panel power and data if using a flat panel. */ - if (par->panel_x > 0) { - dcfg |= CS5530_DCFG_FP_PWR_EN; - dcfg |= CS5530_DCFG_FP_DATA_EN; - } - - /* Sync polarities. */ - if (info->var.sync & FB_SYNC_HOR_HIGH_ACT) - dcfg |= CS5530_DCFG_CRT_HSYNC_POL; - if (info->var.sync & FB_SYNC_VERT_HIGH_ACT) - dcfg |= CS5530_DCFG_CRT_VSYNC_POL; - - writel(dcfg, par->vid_regs + CS5530_DISPLAY_CONFIG); -} - -static int cs5530_blank_display(struct fb_info *info, int blank_mode) -{ - struct geodefb_par *par = info->par; - u32 dcfg; - int blank, hsync, vsync; - - switch (blank_mode) { - case FB_BLANK_UNBLANK: - blank = 0; hsync = 1; vsync = 1; - break; - case FB_BLANK_NORMAL: - blank = 1; hsync = 1; vsync = 1; - break; - case FB_BLANK_VSYNC_SUSPEND: - blank = 1; hsync = 1; vsync = 0; - break; - case FB_BLANK_HSYNC_SUSPEND: - blank = 1; hsync = 0; vsync = 1; - break; - case FB_BLANK_POWERDOWN: - blank = 1; hsync = 0; vsync = 0; - break; - default: - return -EINVAL; - } - - dcfg = readl(par->vid_regs + CS5530_DISPLAY_CONFIG); - - dcfg &= ~(CS5530_DCFG_DAC_BL_EN | CS5530_DCFG_DAC_PWR_EN - | CS5530_DCFG_HSYNC_EN | CS5530_DCFG_VSYNC_EN - | CS5530_DCFG_FP_DATA_EN | CS5530_DCFG_FP_PWR_EN); - - if (par->enable_crt) { - if (!blank) - dcfg |= CS5530_DCFG_DAC_BL_EN | CS5530_DCFG_DAC_PWR_EN; - if (hsync) - dcfg |= CS5530_DCFG_HSYNC_EN; - if (vsync) - dcfg |= CS5530_DCFG_VSYNC_EN; - } - if (par->panel_x > 0) { - if (!blank) - dcfg |= CS5530_DCFG_FP_DATA_EN; - if (hsync && vsync) - dcfg |= CS5530_DCFG_FP_PWR_EN; - } - - writel(dcfg, par->vid_regs + CS5530_DISPLAY_CONFIG); - - return 0; -} - -struct geode_vid_ops cs5530_vid_ops = { - .set_dclk = cs5530_set_dclk_frequency, - .configure_display = cs5530_configure_display, - .blank_display = cs5530_blank_display, -}; diff --git a/drivers/video/geode/video_cs5530.h b/drivers/video/geode/video_cs5530.h deleted file mode 100644 index 56cecca7f1c..00000000000 --- a/drivers/video/geode/video_cs5530.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - * drivers/video/geode/video_cs5530.h - * -- CS5530 video device - * - * Copyright (C) 2005 Arcom Control Systems Ltd. - * - * Based on AMD's original 2.4 driver: - * Copyright (C) 2004 Advanced Micro Devices, Inc. - * - * 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. - */ -#ifndef __VIDEO_CS5530_H__ -#define __VIDEO_CS5530_H__ - -extern struct geode_vid_ops cs5530_vid_ops; - -/* CS5530 Video device registers */ - -#define CS5530_VIDEO_CONFIG 0x0000 -# define CS5530_VCFG_VID_EN 0x00000001 -# define CS5530_VCFG_VID_REG_UPDATE 0x00000002 -# define CS5530_VCFG_VID_INP_FORMAT 0x0000000C -# define CS5530_VCFG_8_BIT_4_2_0 0x00000004 -# define CS5530_VCFG_16_BIT_4_2_0 0x00000008 -# define CS5530_VCFG_GV_SEL 0x00000010 -# define CS5530_VCFG_CSC_BYPASS 0x00000020 -# define CS5530_VCFG_X_FILTER_EN 0x00000040 -# define CS5530_VCFG_Y_FILTER_EN 0x00000080 -# define CS5530_VCFG_LINE_SIZE_LOWER_MASK 0x0000FF00 -# define CS5530_VCFG_INIT_READ_MASK 0x01FF0000 -# define CS5530_VCFG_EARLY_VID_RDY 0x02000000 -# define CS5530_VCFG_LINE_SIZE_UPPER 0x08000000 -# define CS5530_VCFG_4_2_0_MODE 0x10000000 -# define CS5530_VCFG_16_BIT_EN 0x20000000 -# define CS5530_VCFG_HIGH_SPD_INT 0x40000000 - -#define CS5530_DISPLAY_CONFIG 0x0004 -# define CS5530_DCFG_DIS_EN 0x00000001 -# define CS5530_DCFG_HSYNC_EN 0x00000002 -# define CS5530_DCFG_VSYNC_EN 0x00000004 -# define CS5530_DCFG_DAC_BL_EN 0x00000008 -# define CS5530_DCFG_DAC_PWR_EN 0x00000020 -# define CS5530_DCFG_FP_PWR_EN 0x00000040 -# define CS5530_DCFG_FP_DATA_EN 0x00000080 -# define CS5530_DCFG_CRT_HSYNC_POL 0x00000100 -# define CS5530_DCFG_CRT_VSYNC_POL 0x00000200 -# define CS5530_DCFG_FP_HSYNC_POL 0x00000400 -# define CS5530_DCFG_FP_VSYNC_POL 0x00000800 -# define CS5530_DCFG_XGA_FP 0x00001000 -# define CS5530_DCFG_FP_DITH_EN 0x00002000 -# define CS5530_DCFG_CRT_SYNC_SKW_MASK 0x0001C000 -# define CS5530_DCFG_CRT_SYNC_SKW_INIT 0x00010000 -# define CS5530_DCFG_PWR_SEQ_DLY_MASK 0x000E0000 -# define CS5530_DCFG_PWR_SEQ_DLY_INIT 0x00080000 -# define CS5530_DCFG_VG_CK 0x00100000 -# define CS5530_DCFG_GV_PAL_BYP 0x00200000 -# define CS5530_DCFG_DDC_SCL 0x00400000 -# define CS5530_DCFG_DDC_SDA 0x00800000 -# define CS5530_DCFG_DDC_OE 0x01000000 -# define CS5530_DCFG_16_BIT_EN 0x02000000 - -#define CS5530_VIDEO_X_POS 0x0008 -#define CS5530_VIDEO_Y_POS 0x000C -#define CS5530_VIDEO_SCALE 0x0010 -#define CS5530_VIDEO_COLOR_KEY 0x0014 -#define CS5530_VIDEO_COLOR_MASK 0x0018 -#define CS5530_PALETTE_ADDRESS 0x001C -#define CS5530_PALETTE_DATA 0x0020 -#define CS5530_DOT_CLK_CONFIG 0x0024 -#define CS5530_CRCSIG_TFT_TV 0x0028 - -#endif /* !__VIDEO_CS5530_H__ */ |
