--- /dev/null
+/*
+ * linux/drivers/video/kyro/fbdev.c
+ *
+ * Copyright (C) 2002 STMicroelectronics
+ * Copyright (C) 2003, 2004 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/ioctl.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <linux/uaccess.h>
+#ifdef CONFIG_MTRR
+#include <asm/mtrr.h>
+#endif
+
+#include <video/kyro.h>
+
+#include "STG4000Reg.h"
+#include "STG4000Interface.h"
+
+/*
+ * PCI Definitions
+ */
+#define PCI_VENDOR_ID_ST 0x104a
+#define PCI_DEVICE_ID_STG4000 0x0010
+
+#define KHZ2PICOS(a) (1000000000UL/(a))
+
+/****************************************************************************/
+static struct fb_fix_screeninfo kyro_fix = {
+ .id = "ST Kyro",
+ .type = FB_TYPE_PACKED_PIXELS,
+ .visual = FB_VISUAL_TRUECOLOR,
+ .accel = FB_ACCEL_NONE,
+};
+
+static struct fb_var_screeninfo kyro_var = {
+ /* 640x480, 16bpp @ 60 Hz */
+ .xres = 640,
+ .yres = 480,
+ .xres_virtual = 640,
+ .yres_virtual = 480,
+ .bits_per_pixel = 16,
+ .red = { 11, 5, 0 },
+ .green = { 5, 6, 0 },
+ .blue = { 0, 5, 0 },
+ .activate = FB_ACTIVATE_NOW,
+ .height = -1,
+ .width = -1,
+ .pixclock = KHZ2PICOS(25175),
+ .left_margin = 48,
+ .right_margin = 16,
+ .upper_margin = 33,
+ .lower_margin = 10,
+ .hsync_len = 96,
+ .vsync_len = 2,
+ .vmode = FB_VMODE_NONINTERLACED,
+};
+
+typedef struct {
+ STG4000REG __iomem *pSTGReg; /* Virtual address of PCI register region */
+ u32 ulNextFreeVidMem; /* Offset from start of vid mem to next free region */
+ u32 ulOverlayOffset; /* Offset from start of vid mem to overlay */
+ u32 ulOverlayStride; /* Interleaved YUV and 422 mode Y stride */
+ u32 ulOverlayUVStride; /* 422 mode U & V stride */
+} device_info_t;
+
+/* global graphics card info structure (one per card) */
+static device_info_t deviceInfo;
+
+static char *mode_option = NULL;
+static int nopan = 0;
+static int nowrap = 1;
+#ifdef CONFIG_MTRR
+static int nomtrr = 0;
+#endif
+
+/* PCI driver prototypes */
+static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
+static void kyrofb_remove(struct pci_dev *pdev);
+
+static struct fb_videomode kyro_modedb[] = {
+ {
+ /* 640x350 @ 85Hz */
+ NULL, 85, 640, 350, KHZ2PICOS(31500),
+ 96, 32, 60, 32, 64, 3,
+ FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x400 @ 85Hz */
+ NULL, 85, 640, 400, KHZ2PICOS(31500),
+ 96, 32, 41, 1, 64, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 720x400 @ 85Hz */
+ NULL, 85, 720, 400, KHZ2PICOS(35500),
+ 108, 36, 42, 1, 72, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x480 @ 60Hz */
+ NULL, 60, 640, 480, KHZ2PICOS(25175),
+ 48, 16, 33, 10, 96, 2,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x480 @ 72Hz */
+ NULL, 72, 640, 480, KHZ2PICOS(31500),
+ 128, 24, 28, 9, 40, 3,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x480 @ 75Hz */
+ NULL, 75, 640, 480, KHZ2PICOS(31500),
+ 120, 16, 16, 1, 64, 3,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x480 @ 85Hz */
+ NULL, 85, 640, 480, KHZ2PICOS(36000),
+ 80, 56, 25, 1, 56, 3,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 56Hz */
+ NULL, 56, 800, 600, KHZ2PICOS(36000),
+ 128, 24, 22, 1, 72, 2,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 60Hz */
+ NULL, 60, 800, 600, KHZ2PICOS(40000),
+ 88, 40, 23, 1, 128, 4,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 72Hz */
+ NULL, 72, 800, 600, KHZ2PICOS(50000),
+ 64, 56, 23, 37, 120, 6,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 75Hz */
+ NULL, 75, 800, 600, KHZ2PICOS(49500),
+ 160, 16, 21, 1, 80, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 85Hz */
+ NULL, 85, 800, 600, KHZ2PICOS(56250),
+ 152, 32, 27, 1, 64, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1024x768 @ 60Hz */
+ NULL, 60, 1024, 768, KHZ2PICOS(65000),
+ 160, 24, 29, 3, 136, 6,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1024x768 @ 70Hz */
+ NULL, 70, 1024, 768, KHZ2PICOS(75000),
+ 144, 24, 29, 3, 136, 6,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1024x768 @ 75Hz */
+ NULL, 75, 1024, 768, KHZ2PICOS(78750),
+ 176, 16, 28, 1, 96, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1024x768 @ 85Hz */
+ NULL, 85, 1024, 768, KHZ2PICOS(94500),
+ 208, 48, 36, 1, 96, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1152x864 @ 75Hz */
+ NULL, 75, 1152, 864, KHZ2PICOS(108000),
+ 256, 64, 32, 1, 128, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x960 @ 60Hz */
+ NULL, 60, 1280, 960, KHZ2PICOS(108000),
+ 312, 96, 36, 1, 112, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x960 @ 85Hz */
+ NULL, 85, 1280, 960, KHZ2PICOS(148500),
+ 224, 64, 47, 1, 160, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x1024 @ 60Hz */
+ NULL, 60, 1280, 1024, KHZ2PICOS(108000),
+ 248, 48, 38, 1, 112, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x1024 @ 75Hz */
+ NULL, 75, 1280, 1024, KHZ2PICOS(135000),
+ 248, 16, 38, 1, 144, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x1024 @ 85Hz */
+ NULL, 85, 1280, 1024, KHZ2PICOS(157500),
+ 224, 64, 44, 1, 160, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 60Hz */
+ NULL, 60, 1600, 1200, KHZ2PICOS(162000),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 65Hz */
+ NULL, 65, 1600, 1200, KHZ2PICOS(175500),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 70Hz */
+ NULL, 70, 1600, 1200, KHZ2PICOS(189000),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 75Hz */
+ NULL, 75, 1600, 1200, KHZ2PICOS(202500),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 85Hz */
+ NULL, 85, 1600, 1200, KHZ2PICOS(229500),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1792x1344 @ 60Hz */
+ NULL, 60, 1792, 1344, KHZ2PICOS(204750),
+ 328, 128, 46, 1, 200, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1792x1344 @ 75Hz */
+ NULL, 75, 1792, 1344, KHZ2PICOS(261000),
+ 352, 96, 69, 1, 216, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1856x1392 @ 60Hz */
+ NULL, 60, 1856, 1392, KHZ2PICOS(218250),
+ 352, 96, 43, 1, 224, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1856x1392 @ 75Hz */
+ NULL, 75, 1856, 1392, KHZ2PICOS(288000),
+ 352, 128, 104, 1, 224, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1920x1440 @ 60Hz */
+ NULL, 60, 1920, 1440, KHZ2PICOS(234000),
+ 344, 128, 56, 1, 208, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1920x1440 @ 75Hz */
+ NULL, 75, 1920, 1440, KHZ2PICOS(297000),
+ 352, 144, 56, 1, 224, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ },
+};
+#define NUM_TOTAL_MODES ARRAY_SIZE(kyro_modedb)
+
+/*
+ * This needs to be kept ordered corresponding to kyro_modedb.
+ */
+enum {
+ VMODE_640_350_85,
+ VMODE_640_400_85,
+ VMODE_720_400_85,
+ VMODE_640_480_60,
+ VMODE_640_480_72,
+ VMODE_640_480_75,
+ VMODE_640_480_85,
+ VMODE_800_600_56,
+ VMODE_800_600_60,
+ VMODE_800_600_72,
+ VMODE_800_600_75,
+ VMODE_800_600_85,
+ VMODE_1024_768_60,
+ VMODE_1024_768_70,
+ VMODE_1024_768_75,
+ VMODE_1024_768_85,
+ VMODE_1152_864_75,
+ VMODE_1280_960_60,
+ VMODE_1280_960_85,
+ VMODE_1280_1024_60,
+ VMODE_1280_1024_75,
+ VMODE_1280_1024_85,
+ VMODE_1600_1200_60,
+ VMODE_1600_1200_65,
+ VMODE_1600_1200_70,
+ VMODE_1600_1200_75,
+ VMODE_1600_1200_85,
+ VMODE_1792_1344_60,
+ VMODE_1792_1344_75,
+ VMODE_1856_1392_60,
+ VMODE_1856_1392_75,
+ VMODE_1920_1440_60,
+ VMODE_1920_1440_75,
+};
+
+/* Accessors */
+static int kyro_dev_video_mode_set(struct fb_info *info)
+{
+ struct kyrofb_info *par = info->par;
+
+ /* Turn off display */
+ StopVTG(deviceInfo.pSTGReg);
+ DisableRamdacOutput(deviceInfo.pSTGReg);
+
+ /* Bring us out of VGA and into Hi-Res mode, if not already. */
+ DisableVGA(deviceInfo.pSTGReg);
+
+ if (InitialiseRamdac(deviceInfo.pSTGReg,
+ info->var.bits_per_pixel,
+ info->var.xres, info->var.yres,
+ par->HSP, par->VSP, &par->PIXCLK) < 0)
+ return -EINVAL;
+
+ SetupVTG(deviceInfo.pSTGReg, par);
+
+ ResetOverlayRegisters(deviceInfo.pSTGReg);
+
+ /* Turn on display in new mode */
+ EnableRamdacOutput(deviceInfo.pSTGReg);
+ StartVTG(deviceInfo.pSTGReg);
+
+ deviceInfo.ulNextFreeVidMem = info->var.xres * info->var.yres *
+ info->var.bits_per_pixel;
+ deviceInfo.ulOverlayOffset = 0;
+
+ return 0;
+}
+
+static int kyro_dev_overlay_create(u32 ulWidth,
+ u32 ulHeight, int bLinear)
+{
+ u32 offset;
+ u32 stride, uvStride;
+
+ if (deviceInfo.ulOverlayOffset != 0)
+ /*
+ * Can only create one overlay without resetting the card or
+ * changing display mode
+ */
+ return -EINVAL;
+
+ ResetOverlayRegisters(deviceInfo.pSTGReg);
+
+ /* Overlays are addressed in multiples of 16bytes or 32bytes, so make
+ * sure the start offset is on an appropriate boundary.
+ */
+ offset = deviceInfo.ulNextFreeVidMem;
+ if ((offset & 0x1f) != 0) {
+ offset = (offset + 32L) & 0xffffffE0L;
+ }
+
+ if (CreateOverlaySurface(deviceInfo.pSTGReg, ulWidth, ulHeight,
+ bLinear, offset, &stride, &uvStride) < 0)
+ return -EINVAL;
+
+ deviceInfo.ulOverlayOffset = offset;
+ deviceInfo.ulOverlayStride = stride;
+ deviceInfo.ulOverlayUVStride = uvStride;
+ deviceInfo.ulNextFreeVidMem = offset + (ulHeight * stride) + (ulHeight * 2 * uvStride);
+
+ SetOverlayBlendMode(deviceInfo.pSTGReg, GLOBAL_ALPHA, 0xf, 0x0);
+
+ return 0;
+}
+
+static int kyro_dev_overlay_viewport_set(u32 x, u32 y, u32 ulWidth, u32 ulHeight)
+{
+ if (deviceInfo.ulOverlayOffset == 0)
+ /* probably haven't called CreateOverlay yet */
+ return -EINVAL;
+
+ /* Stop Ramdac Output */
+ DisableRamdacOutput(deviceInfo.pSTGReg);
+
+ SetOverlayViewPort(deviceInfo.pSTGReg,
+ x, y, x + ulWidth - 1, y + ulHeight - 1);
+
+ EnableOverlayPlane(deviceInfo.pSTGReg);
+ /* Start Ramdac Output */
+ EnableRamdacOutput(deviceInfo.pSTGReg);
+
+ return 0;
+}
+
+static inline unsigned long get_line_length(int x, int bpp)
+{
+ return (unsigned long)((((x*bpp)+31)&~31) >> 3);
+}
+
+static int kyrofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ struct kyrofb_info *par = info->par;
+
+ if (var->bits_per_pixel != 16 && var->bits_per_pixel != 32) {
+ printk(KERN_WARNING "kyrofb: depth not supported: %u\n", var->bits_per_pixel);
+ return -EINVAL;
+ }
+
+ switch (var->bits_per_pixel) {
+ case 16:
+ var->red.offset = 11;
+ var->red.length = 5;
+ var->green.offset = 5;
+ var->green.length = 6;
+ var->blue.length = 5;
+ break;
+ case 32:
+ var->transp.offset = 24;
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->transp.length = 8;
+ break;
+ }
+
+ /* Height/Width of picture in mm */
+ var->height = var->width = -1;
+
+ /* Timing information. All values are in picoseconds */
+
+ /* par->PIXCLK is in 100Hz units. Convert to picoseconds -
+ * ensuring we do not exceed 32 bit precision
+ */
+ /*
+ * XXX: Enabling this really screws over the pixclock value when we
+ * read it back with fbset. As such, leaving this commented out appears
+ * to do the right thing (at least for now) .. bearing in mind that we
+ * have infact already done the KHZ2PICOS conversion in both the modedb
+ * and kyro_var. -- PFM.
+ */
+// var->pixclock = 1000000000 / (par->PIXCLK / 10);
+
+ /* the header file claims we should use picoseconds
+ * - nobody else does though, the all use pixels and lines
+ * of h and v sizes. Both options here.
+ */
+
+ /*
+ * If we're being called by __fb_try_mode(), then we don't want to
+ * override any of the var settings that we've already parsed
+ * from our modedb. -- PFM.
+ */
+ if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_TEST)
+ return 0;
+
+ var->left_margin = par->HBP;
+ var->hsync_len = par->HST;
+ var->right_margin = par->HFP;
+
+ var->upper_margin = par->VBP;
+ var->vsync_len = par->VST;
+ var->lower_margin = par->VFP;
+
+ if (par->HSP == 1)
+ var->sync |= FB_SYNC_HOR_HIGH_ACT;
+ if (par->VSP == 1)
+ var->sync |= FB_SYNC_VERT_HIGH_ACT;
+
+ return 0;
+}
+
+static int kyrofb_set_par(struct fb_info *info)
+{
+ struct kyrofb_info *par = info->par;
+ unsigned long lineclock;
+ unsigned long frameclock;
+
+ /* Actual resolution */
+ par->XRES = info->var.xres;
+ par->YRES = info->var.yres;
+
+ /* pixel depth */
+ par->PIXDEPTH = info->var.bits_per_pixel;
+
+ /* Refresh rate */
+ /* time for a line in ns */
+ lineclock = (info->var.pixclock * (info->var.xres +
+ info->var.right_margin +
+ info->var.hsync_len +
+ info->var.left_margin)) / 1000;
+
+
+ /* time for a frame in ns (precision in 32bpp) */
+ frameclock = lineclock * (info->var.yres +
+ info->var.lower_margin +
+ info->var.vsync_len +
+ info->var.upper_margin);
+
+ /* Calculate refresh rate and horrizontal clocks */
+ par->VFREQ = (1000000000 + (frameclock / 2)) / frameclock;
+ par->HCLK = (1000000000 + (lineclock / 2)) / lineclock;
+ par->PIXCLK = ((1000000000 + (info->var.pixclock / 2))
+ / info->var.pixclock) * 10;
+
+ /* calculate horizontal timings */
+ par->HFP = info->var.right_margin;
+ par->HST = info->var.hsync_len;
+ par->HBP = info->var.left_margin;
+ par->HTot = par->XRES + par->HBP + par->HST + par->HFP;
+
+ /* calculate vertical timings */
+ par->VFP = info->var.lower_margin;
+ par->VST = info->var.vsync_len;
+ par->VBP = info->var.upper_margin;
+ par->VTot = par->YRES + par->VBP + par->VST + par->VFP;
+
+ par->HSP = (info->var.sync & FB_SYNC_HOR_HIGH_ACT) ? 1 : 0;
+ par->VSP = (info->var.sync & FB_SYNC_VERT_HIGH_ACT) ? 1 : 0;
+
+ kyro_dev_video_mode_set(info);
+
+ /* length of a line in bytes */
+ info->fix.line_length = get_line_length(par->XRES, par->PIXDEPTH);
+ info->fix.visual = FB_VISUAL_TRUECOLOR;
+
+ return 0;
+}
+
+static int kyrofb_setcolreg(u_int regno, u_int red, u_int green,
+ u_int blue, u_int transp, struct fb_info *info)
+{
+ struct kyrofb_info *par = info->par;
+
+ if (regno > 255)
+ return 1; /* Invalid register */
+
+ if (regno < 16) {
+ switch (info->var.bits_per_pixel) {
+ case 16:
+ par->palette[regno] =
+ (red & 0xf800) |
+ ((green & 0xfc00) >> 5) |
+ ((blue & 0xf800) >> 11);
+ break;
+ case 32:
+ red >>= 8; green >>= 8; blue >>= 8; transp >>= 8;
+ par->palette[regno] =
+ (transp << 24) | (red << 16) | (green << 8) | blue;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+#ifndef MODULE
+static int __init kyrofb_setup(char *options)
+{
+ char *this_opt;
+
+ if (!options || !*options)
+ return 0;
+
+ while ((this_opt = strsep(&options, ","))) {
+ if (!*this_opt)
+ continue;
+ if (strcmp(this_opt, "nopan") == 0) {
+ nopan = 1;
+ } else if (strcmp(this_opt, "nowrap") == 0) {
+ nowrap = 1;
+#ifdef CONFIG_MTRR
+ } else if (strcmp(this_opt, "nomtrr") == 0) {
+ nomtrr = 1;
+#endif
+ } else {
+ mode_option = this_opt;
+ }
+ }
+
+ return 0;
+}
+#endif
+
+static int kyrofb_ioctl(struct fb_info *info,
+ unsigned int cmd, unsigned long arg)
+{
+ overlay_create ol_create;
+ overlay_viewport_set ol_viewport_set;
+ void __user *argp = (void __user *)arg;
+
+ switch (cmd) {
+ case KYRO_IOCTL_OVERLAY_CREATE:
+ if (copy_from_user(&ol_create, argp, sizeof(overlay_create)))
+ return -EFAULT;
+
+ if (kyro_dev_overlay_create(ol_create.ulWidth,
+ ol_create.ulHeight, 0) < 0) {
+ printk(KERN_ERR "Kyro FB: failed to create overlay surface.\n");
+
+ return -EINVAL;
+ }
+ break;
+ case KYRO_IOCTL_OVERLAY_VIEWPORT_SET:
+ if (copy_from_user(&ol_viewport_set, argp,
+ sizeof(overlay_viewport_set)))
+ return -EFAULT;
+
+ if (kyro_dev_overlay_viewport_set(ol_viewport_set.xOrgin,
+ ol_viewport_set.yOrgin,
+ ol_viewport_set.xSize,
+ ol_viewport_set.ySize) != 0)
+ {
+ printk(KERN_ERR "Kyro FB: failed to create overlay viewport.\n");
+ return -EINVAL;
+ }
+ break;
+ case KYRO_IOCTL_SET_VIDEO_MODE:
+ {
+ printk(KERN_ERR "Kyro FB: KYRO_IOCTL_SET_VIDEO_MODE is"
+ "obsolete, use the appropriate fb_ioctl()"
+ "command instead.\n");
+ return -EINVAL;
+ }
+ case KYRO_IOCTL_UVSTRIDE:
+ if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(deviceInfo.ulOverlayUVStride)))
+ return -EFAULT;
+ break;
+ case KYRO_IOCTL_STRIDE:
+ if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(deviceInfo.ulOverlayStride)))
+ return -EFAULT;
+ break;
+ case KYRO_IOCTL_OVERLAY_OFFSET:
+ if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(deviceInfo.ulOverlayOffset)))
+ return -EFAULT;
+ break;
+ }
+
+ return 0;
+}
+
+static struct pci_device_id kyrofb_pci_tbl[] = {
+ { PCI_VENDOR_ID_ST, PCI_DEVICE_ID_STG4000,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+ { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, kyrofb_pci_tbl);
+
+static struct pci_driver kyrofb_pci_driver = {
+ .name = "kyrofb",
+ .id_table = kyrofb_pci_tbl,
+ .probe = kyrofb_probe,
+ .remove = kyrofb_remove,
+};
+
+static struct fb_ops kyrofb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = kyrofb_check_var,
+ .fb_set_par = kyrofb_set_par,
+ .fb_setcolreg = kyrofb_setcolreg,
+ .fb_ioctl = kyrofb_ioctl,
+ .fb_fillrect = cfb_fillrect,
+ .fb_copyarea = cfb_copyarea,
+ .fb_imageblit = cfb_imageblit,
+};
+
+static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct fb_info *info;
+ struct kyrofb_info *currentpar;
+ unsigned long size;
+ int err;
+
+ if ((err = pci_enable_device(pdev))) {
+ printk(KERN_WARNING "kyrofb: Can't enable pdev: %d\n", err);
+ return err;
+ }
+
+ info = framebuffer_alloc(sizeof(struct kyrofb_info), &pdev->dev);
+ if (!info)
+ return -ENOMEM;
+
+ currentpar = info->par;
+
+ kyro_fix.smem_start = pci_resource_start(pdev, 0);
+ kyro_fix.smem_len = pci_resource_len(pdev, 0);
+ kyro_fix.mmio_start = pci_resource_start(pdev, 1);
+ kyro_fix.mmio_len = pci_resource_len(pdev, 1);
+
+ currentpar->regbase = deviceInfo.pSTGReg =
+ ioremap_nocache(kyro_fix.mmio_start, kyro_fix.mmio_len);
+
+ info->screen_base = ioremap_nocache(kyro_fix.smem_start,
+ kyro_fix.smem_len);
+
+#ifdef CONFIG_MTRR
+ if (!nomtrr)
+ currentpar->mtrr_handle =
+ mtrr_add(kyro_fix.smem_start,
+ kyro_fix.smem_len,
+ MTRR_TYPE_WRCOMB, 1);
+#endif
+
+ kyro_fix.ypanstep = nopan ? 0 : 1;
+ kyro_fix.ywrapstep = nowrap ? 0 : 1;
+
+ info->fbops = &kyrofb_ops;
+ info->fix = kyro_fix;
+ info->pseudo_palette = currentpar->palette;
+ info->flags = FBINFO_DEFAULT;
+
+ SetCoreClockPLL(deviceInfo.pSTGReg, pdev);
+
+ deviceInfo.ulNextFreeVidMem = 0;
+ deviceInfo.ulOverlayOffset = 0;
+
+ /* This should give a reasonable default video mode */
+ if (!fb_find_mode(&info->var, info, mode_option, kyro_modedb,
+ NUM_TOTAL_MODES, &kyro_modedb[VMODE_1024_768_75], 32))
+ info->var = kyro_var;
+
+ fb_alloc_cmap(&info->cmap, 256, 0);
+
+ kyrofb_set_par(info);
+ kyrofb_check_var(&info->var, info);
+
+ size = get_line_length(info->var.xres_virtual,
+ info->var.bits_per_pixel);
+ size *= info->var.yres_virtual;
+
+ fb_memset(info->screen_base, 0, size);
+
+ if (register_framebuffer(info) < 0)
+ goto out_unmap;
+
+ fb_info(info, "%s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n",
+ info->fix.id,
+ info->var.xres, info->var.yres, info->var.bits_per_pixel,
+ size >> 10, (unsigned long)info->fix.smem_len >> 10);
+
+ pci_set_drvdata(pdev, info);
+
+ return 0;
+
+out_unmap:
+ iounmap(currentpar->regbase);
+ iounmap(info->screen_base);
+ framebuffer_release(info);
+
+ return -EINVAL;
+}
+
+static void kyrofb_remove(struct pci_dev *pdev)
+{
+ struct fb_info *info = pci_get_drvdata(pdev);
+ struct kyrofb_info *par = info->par;
+
+ /* Reset the board */
+ StopVTG(deviceInfo.pSTGReg);
+ DisableRamdacOutput(deviceInfo.pSTGReg);
+
+ /* Sync up the PLL */
+ SetCoreClockPLL(deviceInfo.pSTGReg, pdev);
+
+ deviceInfo.ulNextFreeVidMem = 0;
+ deviceInfo.ulOverlayOffset = 0;
+
+ iounmap(info->screen_base);
+ iounmap(par->regbase);
+
+#ifdef CONFIG_MTRR
+ if (par->mtrr_handle)
+ mtrr_del(par->mtrr_handle,
+ info->fix.smem_start,
+ info->fix.smem_len);
+#endif
+
+ unregister_framebuffer(info);
+ framebuffer_release(info);
+}
+
+static int __init kyrofb_init(void)
+{
+#ifndef MODULE
+ char *option = NULL;
+
+ if (fb_get_options("kyrofb", &option))
+ return -ENODEV;
+ kyrofb_setup(option);
+#endif
+ return pci_register_driver(&kyrofb_pci_driver);
+}
+
+static void __exit kyrofb_exit(void)
+{
+ pci_unregister_driver(&kyrofb_pci_driver);
+}
+
+module_init(kyrofb_init);
+
+#ifdef MODULE
+module_exit(kyrofb_exit);
+#endif
+
+MODULE_AUTHOR("STMicroelectronics; Paul Mundt <lethal@linux-sh.org>");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff