/*
* intelfb
*
- * Linux framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G/915GM
- * integrated graphics chips.
+ * Linux framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G/915GM/
+ * 945G/945GM integrated graphics chips.
*
* Copyright © 2002, 2003 David Dawes <dawes@xfree86.org>
* 2004 Sylvain Meyer
+ * 2006 David Airlie
*
* This driver consists of two parts. The first part (intelfbdrv.c) provides
* the basic fbdev interfaces, is derived in part from the radeonfb and
*
*/
-#include <linux/config.h>
#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/pci.h>
#include <linux/vmalloc.h>
#include <linux/pagemap.h>
+#include <linux/screen_info.h>
#include <asm/io.h>
#include "intelfb.h"
#include "intelfbhw.h"
+#include "../edid.h"
static void __devinit get_initial_mode(struct intelfb_info *dinfo);
static void update_dinfo(struct intelfb_info *dinfo,
struct fb_var_screeninfo *var);
+static int intelfb_open(struct fb_info *info, int user);
+static int intelfb_release(struct fb_info *info, int user);
static int intelfb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info);
static int intelfb_set_par(struct fb_info *info);
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_865G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_865G },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_915G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_915G },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_915GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_915GM },
+ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945G },
+ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945GM },
{ 0, }
};
/* fb ops */
static struct fb_ops intel_fb_ops = {
.owner = THIS_MODULE,
+ .fb_open = intelfb_open,
+ .fb_release = intelfb_release,
.fb_check_var = intelfb_check_var,
.fb_set_par = intelfb_set_par,
.fb_setcolreg = intelfb_setcolreg,
#ifndef MODULE
#define OPT_EQUAL(opt, name) (!strncmp(opt, name, strlen(name)))
-#define OPT_INTVAL(opt, name) simple_strtoul(opt + strlen(name), NULL, 0)
+#define OPT_INTVAL(opt, name) simple_strtoul(opt + strlen(name) + 1, NULL, 0)
#define OPT_STRVAL(opt, name) (opt + strlen(name))
static __inline__ char *
if (!dinfo)
return;
+ intelfbhw_disable_irq(dinfo);
+
fb_dealloc_cmap(&dinfo->info->cmap);
kfree(dinfo->info->pixmap.addr);
agp_free_memory(dinfo->gtt_ring_mem);
}
+#ifdef CONFIG_FB_INTEL_I2C
+ /* un-register I2C bus */
+ intelfb_delete_i2c_busses(dinfo);
+#endif
+
if (dinfo->mmio_base)
iounmap((void __iomem *)dinfo->mmio_base);
if (dinfo->aperture.virtual)
/* Set base addresses. */
if ((ent->device == PCI_DEVICE_ID_INTEL_915G) ||
- (ent->device == PCI_DEVICE_ID_INTEL_915GM)) {
+ (ent->device == PCI_DEVICE_ID_INTEL_915GM) ||
+ (ent->device == PCI_DEVICE_ID_INTEL_945G) ||
+ (ent->device == PCI_DEVICE_ID_INTEL_945GM)) {
aperture_bar = 2;
mmio_bar = 0;
- /* Disable HW cursor on 915G/M (not implemented yet) */
- hwcursor = 0;
}
dinfo->aperture.physical = pci_resource_start(pdev, aperture_bar);
dinfo->aperture.size = pci_resource_len(pdev, aperture_bar);
/* Get the chipset info. */
dinfo->pci_chipset = pdev->device;
- if (intelfbhw_get_chipset(pdev, &dinfo->name, &dinfo->chipset,
- &dinfo->mobile)) {
+ if (intelfbhw_get_chipset(pdev, dinfo)) {
cleanup(dinfo);
return -ENODEV;
}
+ (dinfo->ring.offset << 12);
dinfo->ring.virtual = dinfo->aperture.virtual
+ (dinfo->ring.offset << 12);
- dinfo->ring_head = dinfo->ring.virtual;
+ dinfo->ring_head = 0;
}
if (dinfo->hwcursor) {
agp_memtype = dinfo->mobile ? AGP_PHYSICAL_MEMORY
if (mtrr)
set_mtrr(dinfo);
- DBG_MSG("fb: 0x%x(+ 0x%x)/0x%x (0x%x)\n",
+ DBG_MSG("fb: 0x%x(+ 0x%x)/0x%x (0x%p)\n",
dinfo->fb.physical, dinfo->fb.offset, dinfo->fb.size,
- (u32 __iomem ) dinfo->fb.virtual);
- DBG_MSG("MMIO: 0x%x/0x%x (0x%x)\n",
+ dinfo->fb.virtual);
+ DBG_MSG("MMIO: 0x%x/0x%x (0x%p)\n",
dinfo->mmio_base_phys, INTEL_REG_SIZE,
- (u32 __iomem) dinfo->mmio_base);
- DBG_MSG("ring buffer: 0x%x/0x%x (0x%x)\n",
+ dinfo->mmio_base);
+ DBG_MSG("ring buffer: 0x%x/0x%x (0x%p)\n",
dinfo->ring.physical, dinfo->ring.size,
- (u32 __iomem ) dinfo->ring.virtual);
- DBG_MSG("HW cursor: 0x%x/0x%x (0x%x) (offset 0x%x) (phys 0x%x)\n",
+ dinfo->ring.virtual);
+ DBG_MSG("HW cursor: 0x%x/0x%x (0x%p) (offset 0x%x) (phys 0x%x)\n",
dinfo->cursor.physical, dinfo->cursor.size,
- (u32 __iomem ) dinfo->cursor.virtual, dinfo->cursor.offset,
+ dinfo->cursor.virtual, dinfo->cursor.offset,
dinfo->cursor.physical);
DBG_MSG("options: vram = %d, accel = %d, hwcursor = %d, fixed = %d, "
if (bailearly == 5)
bailout(dinfo);
+#ifdef CONFIG_FB_INTEL_I2C
+ /* register I2C bus */
+ intelfb_create_i2c_busses(dinfo);
+#endif
+
if (bailearly == 6)
bailout(dinfo);
}
dinfo->registered = 1;
+ dinfo->open = 0;
+
+ init_waitqueue_head(&dinfo->vsync.wait);
+ spin_lock_init(&dinfo->int_lock);
+ dinfo->irq_flags = 0;
+ dinfo->vsync.pan_display = 0;
+ dinfo->vsync.pan_offset = 0;
return 0;
sizeof(struct fb_var_screeninfo));
msrc = 5;
} else {
+ const u8 *edid_s = fb_firmware_edid(&dinfo->pdev->dev);
+ u8 *edid_d = NULL;
+
+ if (edid_s) {
+ edid_d = kmemdup(edid_s, EDID_LENGTH, GFP_KERNEL);
+
+ if (edid_d) {
+ fb_edid_to_monspecs(edid_d,
+ &dinfo->info->monspecs);
+ kfree(edid_d);
+ }
+ }
+
if (mode) {
+ printk("intelfb: Looking for mode in private "
+ "database\n");
msrc = fb_find_mode(var, dinfo->info, mode,
- vesa_modes, VESA_MODEDB_SIZE,
+ dinfo->info->monspecs.modedb,
+ dinfo->info->monspecs.modedb_len,
NULL, 0);
- if (msrc)
- msrc |= 8;
+
+ if (msrc && msrc > 1) {
+ printk("intelfb: No mode in private database, "
+ "intelfb: looking for mode in global "
+ "database ");
+ msrc = fb_find_mode(var, dinfo->info, mode,
+ NULL, 0, NULL, 0);
+
+ if (msrc)
+ msrc |= 8;
+ }
+
}
+
if (!msrc) {
msrc = fb_find_mode(var, dinfo->info, PREFERRED_MODE,
- vesa_modes, VESA_MODEDB_SIZE,
- NULL, 0);
+ NULL, 0, NULL, 0);
}
}
}
/* Make sure the line length is a aligned correctly. */
- dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT);
+ if (IS_I9XX(dinfo))
+ dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT_I9XX);
+ else
+ dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT);
if (FIXED_MODE(dinfo))
dinfo->pitch = dinfo->initial_pitch;
* fbdev interface *
***************************************************************/
+static int
+intelfb_open(struct fb_info *info, int user)
+{
+ struct intelfb_info *dinfo = GET_DINFO(info);
+
+ if (user) {
+ dinfo->open++;
+ }
+
+ return 0;
+}
+
+static int
+intelfb_release(struct fb_info *info, int user)
+{
+ struct intelfb_info *dinfo = GET_DINFO(info);
+
+ if (user) {
+ dinfo->open--;
+ msleep(1);
+ if (!dinfo->open) {
+ intelfbhw_disable_irq(dinfo);
+ }
+ }
+
+ return 0;
+}
+
static int
intelfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct fb_var_screeninfo v;
struct intelfb_info *dinfo;
static int first = 1;
+ int i;
+ /* Good pitches to allow tiling. Don't care about pitches < 1024. */
+ static const int pitches[] = {
+ 128 * 8,
+ 128 * 16,
+ 128 * 32,
+ 128 * 64,
+ 0
+ };
DBG_MSG("intelfb_check_var: accel_flags is %d\n", var->accel_flags);
dinfo = GET_DINFO(info);
+ /* update the pitch */
if (intelfbhw_validate_mode(dinfo, var) != 0)
return -EINVAL;
v = *var;
+ for (i = 0; pitches[i] != 0; i++) {
+ if (pitches[i] >= v.xres_virtual) {
+ v.xres_virtual = pitches[i];
+ break;
+ }
+ }
+
/* Check for a supported bpp. */
if (v.bits_per_pixel <= 8) {
v.bits_per_pixel = 8;
intelfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
{
int retval = 0;
+ struct intelfb_info *dinfo = GET_DINFO(info);
+ u32 pipe = 0;
+
+ switch (cmd) {
+ case FBIO_WAITFORVSYNC:
+ if (get_user(pipe, (__u32 __user *)arg))
+ return -EFAULT;
+
+ retval = intelfbhw_wait_for_vsync(dinfo, pipe);
+ break;
+ default:
+ break;
+ }
return retval;
}
intelfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
{
struct intelfb_info *dinfo = GET_DINFO(info);
-
+ u32 physical;
#if VERBOSE > 0
DBG_MSG("intelfb_cursor\n");
#endif
intelfbhw_cursor_hide(dinfo);
/* If XFree killed the cursor - restore it */
- if (INREG(CURSOR_A_BASEADDR) != dinfo->cursor.offset << 12) {
+ physical = (dinfo->mobile || IS_I9XX(dinfo)) ? dinfo->cursor.physical :
+ (dinfo->cursor.offset << 12);
+
+ if (INREG(CURSOR_A_BASEADDR) != physical) {
u32 fg, bg;
DBG_MSG("the cursor was killed - restore it !!\n");