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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 13:32:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 13:32:24 -0700
commitc142bda458a9c81097238800e1bd8eeeea09913d (patch)
treea412321f62cbb90cae831d7f2dea026cbd3c958c /drivers/gpu/drm/i915/i915_drv.c
parentb5cf43c47b05c8deb10f9674d541dddbdec0e341 (diff)
parentc0e09200dc0813972442e550a5905a132768e56c (diff)
Merge branch 'drm-reorg' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-reorg' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: reorganise drm tree to be more future proof.
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c605
1 files changed, 605 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
new file mode 100644
index 00000000000..93aed1c38bd
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -0,0 +1,605 @@
+/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
+ */
+/*
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+#include "drm_pciids.h"
+
+static struct pci_device_id pciidlist[] = {
+ i915_PCI_IDS
+};
+
+enum pipe {
+ PIPE_A = 0,
+ PIPE_B,
+};
+
+static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (pipe == PIPE_A)
+ return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE);
+ else
+ return (I915_READ(DPLL_B) & DPLL_VCO_ENABLE);
+}
+
+static void i915_save_palette(struct drm_device *dev, enum pipe pipe)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
+ u32 *array;
+ int i;
+
+ if (!i915_pipe_enabled(dev, pipe))
+ return;
+
+ if (pipe == PIPE_A)
+ array = dev_priv->save_palette_a;
+ else
+ array = dev_priv->save_palette_b;
+
+ for(i = 0; i < 256; i++)
+ array[i] = I915_READ(reg + (i << 2));
+}
+
+static void i915_restore_palette(struct drm_device *dev, enum pipe pipe)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
+ u32 *array;
+ int i;
+
+ if (!i915_pipe_enabled(dev, pipe))
+ return;
+
+ if (pipe == PIPE_A)
+ array = dev_priv->save_palette_a;
+ else
+ array = dev_priv->save_palette_b;
+
+ for(i = 0; i < 256; i++)
+ I915_WRITE(reg + (i << 2), array[i]);
+}
+
+static u8 i915_read_indexed(u16 index_port, u16 data_port, u8 reg)
+{
+ outb(reg, index_port);
+ return inb(data_port);
+}
+
+static u8 i915_read_ar(u16 st01, u8 reg, u16 palette_enable)
+{
+ inb(st01);
+ outb(palette_enable | reg, VGA_AR_INDEX);
+ return inb(VGA_AR_DATA_READ);
+}
+
+static void i915_write_ar(u8 st01, u8 reg, u8 val, u16 palette_enable)
+{
+ inb(st01);
+ outb(palette_enable | reg, VGA_AR_INDEX);
+ outb(val, VGA_AR_DATA_WRITE);
+}
+
+static void i915_write_indexed(u16 index_port, u16 data_port, u8 reg, u8 val)
+{
+ outb(reg, index_port);
+ outb(val, data_port);
+}
+
+static void i915_save_vga(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+ u16 cr_index, cr_data, st01;
+
+ /* VGA color palette registers */
+ dev_priv->saveDACMASK = inb(VGA_DACMASK);
+ /* DACCRX automatically increments during read */
+ outb(0, VGA_DACRX);
+ /* Read 3 bytes of color data from each index */
+ for (i = 0; i < 256 * 3; i++)
+ dev_priv->saveDACDATA[i] = inb(VGA_DACDATA);
+
+ /* MSR bits */
+ dev_priv->saveMSR = inb(VGA_MSR_READ);
+ if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
+ cr_index = VGA_CR_INDEX_CGA;
+ cr_data = VGA_CR_DATA_CGA;
+ st01 = VGA_ST01_CGA;
+ } else {
+ cr_index = VGA_CR_INDEX_MDA;
+ cr_data = VGA_CR_DATA_MDA;
+ st01 = VGA_ST01_MDA;
+ }
+
+ /* CRT controller regs */
+ i915_write_indexed(cr_index, cr_data, 0x11,
+ i915_read_indexed(cr_index, cr_data, 0x11) &
+ (~0x80));
+ for (i = 0; i <= 0x24; i++)
+ dev_priv->saveCR[i] =
+ i915_read_indexed(cr_index, cr_data, i);
+ /* Make sure we don't turn off CR group 0 writes */
+ dev_priv->saveCR[0x11] &= ~0x80;
+
+ /* Attribute controller registers */
+ inb(st01);
+ dev_priv->saveAR_INDEX = inb(VGA_AR_INDEX);
+ for (i = 0; i <= 0x14; i++)
+ dev_priv->saveAR[i] = i915_read_ar(st01, i, 0);
+ inb(st01);
+ outb(dev_priv->saveAR_INDEX, VGA_AR_INDEX);
+ inb(st01);
+
+ /* Graphics controller registers */
+ for (i = 0; i < 9; i++)
+ dev_priv->saveGR[i] =
+ i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, i);
+
+ dev_priv->saveGR[0x10] =
+ i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10);
+ dev_priv->saveGR[0x11] =
+ i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11);
+ dev_priv->saveGR[0x18] =
+ i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18);
+
+ /* Sequencer registers */
+ for (i = 0; i < 8; i++)
+ dev_priv->saveSR[i] =
+ i915_read_indexed(VGA_SR_INDEX, VGA_SR_DATA, i);
+}
+
+static void i915_restore_vga(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+ u16 cr_index, cr_data, st01;
+
+ /* MSR bits */
+ outb(dev_priv->saveMSR, VGA_MSR_WRITE);
+ if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
+ cr_index = VGA_CR_INDEX_CGA;
+ cr_data = VGA_CR_DATA_CGA;
+ st01 = VGA_ST01_CGA;
+ } else {
+ cr_index = VGA_CR_INDEX_MDA;
+ cr_data = VGA_CR_DATA_MDA;
+ st01 = VGA_ST01_MDA;
+ }
+
+ /* Sequencer registers, don't write SR07 */
+ for (i = 0; i < 7; i++)
+ i915_write_indexed(VGA_SR_INDEX, VGA_SR_DATA, i,
+ dev_priv->saveSR[i]);
+
+ /* CRT controller regs */
+ /* Enable CR group 0 writes */
+ i915_write_indexed(cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]);
+ for (i = 0; i <= 0x24; i++)
+ i915_write_indexed(cr_index, cr_data, i, dev_priv->saveCR[i]);
+
+ /* Graphics controller regs */
+ for (i = 0; i < 9; i++)
+ i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, i,
+ dev_priv->saveGR[i]);
+
+ i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10,
+ dev_priv->saveGR[0x10]);
+ i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11,
+ dev_priv->saveGR[0x11]);
+ i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18,
+ dev_priv->saveGR[0x18]);
+
+ /* Attribute controller registers */
+ inb(st01);
+ for (i = 0; i <= 0x14; i++)
+ i915_write_ar(st01, i, dev_priv->saveAR[i], 0);
+ inb(st01); /* switch back to index mode */
+ outb(dev_priv->saveAR_INDEX | 0x20, VGA_AR_INDEX);
+ inb(st01);
+
+ /* VGA color palette registers */
+ outb(dev_priv->saveDACMASK, VGA_DACMASK);
+ /* DACCRX automatically increments during read */
+ outb(0, VGA_DACWX);
+ /* Read 3 bytes of color data from each index */
+ for (i = 0; i < 256 * 3; i++)
+ outb(dev_priv->saveDACDATA[i], VGA_DACDATA);
+
+}
+
+static int i915_suspend(struct drm_device *dev, pm_message_t state)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+
+ if (!dev || !dev_priv) {
+ printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
+ printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
+ return -ENODEV;
+ }
+
+ if (state.event == PM_EVENT_PRETHAW)
+ return 0;
+
+ pci_save_state(dev->pdev);
+ pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
+
+ /* Display arbitration control */
+ dev_priv->saveDSPARB = I915_READ(DSPARB);
+
+ /* Pipe & plane A info */
+ dev_priv->savePIPEACONF = I915_READ(PIPEACONF);
+ dev_priv->savePIPEASRC = I915_READ(PIPEASRC);
+ dev_priv->saveFPA0 = I915_READ(FPA0);
+ dev_priv->saveFPA1 = I915_READ(FPA1);
+ dev_priv->saveDPLL_A = I915_READ(DPLL_A);
+ if (IS_I965G(dev))
+ dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD);
+ dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A);
+ dev_priv->saveHBLANK_A = I915_READ(HBLANK_A);
+ dev_priv->saveHSYNC_A = I915_READ(HSYNC_A);
+ dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A);
+ dev_priv->saveVBLANK_A = I915_READ(VBLANK_A);
+ dev_priv->saveVSYNC_A = I915_READ(VSYNC_A);
+ dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
+
+ dev_priv->saveDSPACNTR = I915_READ(DSPACNTR);
+ dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE);
+ dev_priv->saveDSPASIZE = I915_READ(DSPASIZE);
+ dev_priv->saveDSPAPOS = I915_READ(DSPAPOS);
+ dev_priv->saveDSPABASE = I915_READ(DSPABASE);
+ if (IS_I965G(dev)) {
+ dev_priv->saveDSPASURF = I915_READ(DSPASURF);
+ dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF);
+ }
+ i915_save_palette(dev, PIPE_A);
+ dev_priv->savePIPEASTAT = I915_READ(I915REG_PIPEASTAT);
+
+ /* Pipe & plane B info */
+ dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF);
+ dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC);
+ dev_priv->saveFPB0 = I915_READ(FPB0);
+ dev_priv->saveFPB1 = I915_READ(FPB1);
+ dev_priv->saveDPLL_B = I915_READ(DPLL_B);
+ if (IS_I965G(dev))
+ dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD);
+ dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B);
+ dev_priv->saveHBLANK_B = I915_READ(HBLANK_B);
+ dev_priv->saveHSYNC_B = I915_READ(HSYNC_B);
+ dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B);
+ dev_priv->saveVBLANK_B = I915_READ(VBLANK_B);
+ dev_priv->saveVSYNC_B = I915_READ(VSYNC_B);
+ dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
+
+ dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR);
+ dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE);
+ dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE);
+ dev_priv->saveDSPBPOS = I915_READ(DSPBPOS);
+ dev_priv->saveDSPBBASE = I915_READ(DSPBBASE);
+ if (IS_I965GM(dev) || IS_IGD_GM(dev)) {
+ dev_priv->saveDSPBSURF = I915_READ(DSPBSURF);
+ dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF);
+ }
+ i915_save_palette(dev, PIPE_B);
+ dev_priv->savePIPEBSTAT = I915_READ(I915REG_PIPEBSTAT);
+
+ /* CRT state */
+ dev_priv->saveADPA = I915_READ(ADPA);
+
+ /* LVDS state */
+ dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL);
+ dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS);
+ dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
+ if (IS_I965G(dev))
+ dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2);
+ if (IS_MOBILE(dev) && !IS_I830(dev))
+ dev_priv->saveLVDS = I915_READ(LVDS);
+ if (!IS_I830(dev) && !IS_845G(dev))
+ dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL);
+ dev_priv->saveLVDSPP_ON = I915_READ(LVDSPP_ON);
+ dev_priv->saveLVDSPP_OFF = I915_READ(LVDSPP_OFF);
+ dev_priv->savePP_CYCLE = I915_READ(PP_CYCLE);
+
+ /* FIXME: save TV & SDVO state */
+
+ /* FBC state */
+ dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE);
+ dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE);
+ dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2);
+ dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL);
+
+ /* Interrupt state */
+ dev_priv->saveIIR = I915_READ(I915REG_INT_IDENTITY_R);
+ dev_priv->saveIER = I915_READ(I915REG_INT_ENABLE_R);
+ dev_priv->saveIMR = I915_READ(I915REG_INT_MASK_R);
+
+ /* VGA state */
+ dev_priv->saveVCLK_DIVISOR_VGA0 = I915_READ(VCLK_DIVISOR_VGA0);
+ dev_priv->saveVCLK_DIVISOR_VGA1 = I915_READ(VCLK_DIVISOR_VGA1);
+ dev_priv->saveVCLK_POST_DIV = I915_READ(VCLK_POST_DIV);
+ dev_priv->saveVGACNTRL = I915_READ(VGACNTRL);
+
+ /* Clock gating state */
+ dev_priv->saveD_STATE = I915_READ(D_STATE);
+ dev_priv->saveDSPCLK_GATE_D = I915_READ(DSPCLK_GATE_D);
+
+ /* Cache mode state */
+ dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
+
+ /* Memory Arbitration state */
+ dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);
+
+ /* Scratch space */
+ for (i = 0; i < 16; i++) {
+ dev_priv->saveSWF0[i] = I915_READ(SWF0 + (i << 2));
+ dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
+ }
+ for (i = 0; i < 3; i++)
+ dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
+
+ i915_save_vga(dev);
+
+ if (state.event == PM_EVENT_SUSPEND) {
+ /* Shut down the device */
+ pci_disable_device(dev->pdev);
+ pci_set_power_state(dev->pdev, PCI_D3hot);
+ }
+
+ return 0;
+}
+
+static int i915_resume(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+
+ pci_set_power_state(dev->pdev, PCI_D0);
+ pci_restore_state(dev->pdev);
+ if (pci_enable_device(dev->pdev))
+ return -1;
+ pci_set_master(dev->pdev);
+
+ pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
+
+ I915_WRITE(DSPARB, dev_priv->saveDSPARB);
+
+ /* Pipe & plane A info */
+ /* Prime the clock */
+ if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) {
+ I915_WRITE(DPLL_A, dev_priv->saveDPLL_A &
+ ~DPLL_VCO_ENABLE);
+ udelay(150);
+ }
+ I915_WRITE(FPA0, dev_priv->saveFPA0);
+ I915_WRITE(FPA1, dev_priv->saveFPA1);
+ /* Actually enable it */
+ I915_WRITE(DPLL_A, dev_priv->saveDPLL_A);
+ udelay(150);
+ if (IS_I965G(dev))
+ I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD);
+ udelay(150);
+
+ /* Restore mode */
+ I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A);
+ I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A);
+ I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A);
+ I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A);
+ I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A);
+ I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A);
+ I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A);
+
+ /* Restore plane info */
+ I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE);
+ I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS);
+ I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC);
+ I915_WRITE(DSPABASE, dev_priv->saveDSPABASE);
+ I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE);
+ if (IS_I965G(dev)) {
+ I915_WRITE(DSPASURF, dev_priv->saveDSPASURF);
+ I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF);
+ }
+
+ I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF);
+
+ i915_restore_palette(dev, PIPE_A);
+ /* Enable the plane */
+ I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR);
+ I915_WRITE(DSPABASE, I915_READ(DSPABASE));
+
+ /* Pipe & plane B info */
+ if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) {
+ I915_WRITE(DPLL_B, dev_priv->saveDPLL_B &
+ ~DPLL_VCO_ENABLE);
+ udelay(150);
+ }
+ I915_WRITE(FPB0, dev_priv->saveFPB0);
+ I915_WRITE(FPB1, dev_priv->saveFPB1);
+ /* Actually enable it */
+ I915_WRITE(DPLL_B, dev_priv->saveDPLL_B);
+ udelay(150);
+ if (IS_I965G(dev))
+ I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD);
+ udelay(150);
+
+ /* Restore mode */
+ I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B);
+ I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B);
+ I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B);
+ I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B);
+ I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B);
+ I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B);
+ I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B);
+
+ /* Restore plane info */
+ I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE);
+ I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS);
+ I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC);
+ I915_WRITE(DSPBBASE, dev_priv->saveDSPBBASE);
+ I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE);
+ if (IS_I965G(dev)) {
+ I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF);
+ I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF);
+ }
+
+ I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF);
+
+ i915_restore_palette(dev, PIPE_B);
+ /* Enable the plane */
+ I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR);
+ I915_WRITE(DSPBBASE, I915_READ(DSPBBASE));
+
+ /* CRT state */
+ I915_WRITE(ADPA, dev_priv->saveADPA);
+
+ /* LVDS state */
+ if (IS_I965G(dev))
+ I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2);
+ if (IS_MOBILE(dev) && !IS_I830(dev))
+ I915_WRITE(LVDS, dev_priv->saveLVDS);
+ if (!IS_I830(dev) && !IS_845G(dev))
+ I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL);
+
+ I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
+ I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
+ I915_WRITE(LVDSPP_ON, dev_priv->saveLVDSPP_ON);
+ I915_WRITE(LVDSPP_OFF, dev_priv->saveLVDSPP_OFF);
+ I915_WRITE(PP_CYCLE, dev_priv->savePP_CYCLE);
+ I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL);
+
+ /* FIXME: restore TV & SDVO state */
+
+ /* FBC info */
+ I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE);
+ I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE);
+ I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2);
+ I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL);
+
+ /* VGA state */
+ I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL);
+ I915_WRITE(VCLK_DIVISOR_VGA0, dev_priv->saveVCLK_DIVISOR_VGA0);
+ I915_WRITE(VCLK_DIVISOR_VGA1, dev_priv->saveVCLK_DIVISOR_VGA1);
+ I915_WRITE(VCLK_POST_DIV, dev_priv->saveVCLK_POST_DIV);
+ udelay(150);
+
+ /* Clock gating state */
+ I915_WRITE (D_STATE, dev_priv->saveD_STATE);
+ I915_WRITE (DSPCLK_GATE_D, dev_priv->saveDSPCLK_GATE_D);
+
+ /* Cache mode state */
+ I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);
+
+ /* Memory arbitration state */
+ I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000);
+
+ for (i = 0; i < 16; i++) {
+ I915_WRITE(SWF0 + (i << 2), dev_priv->saveSWF0[i]);
+ I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]);
+ }
+ for (i = 0; i < 3; i++)
+ I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]);
+
+ i915_restore_vga(dev);
+
+ return 0;
+}
+
+static struct drm_driver driver = {
+ /* don't use mtrr's here, the Xserver or user space app should
+ * deal with them for intel hardware.
+ */
+ .driver_features =
+ DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
+ DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
+ DRIVER_IRQ_VBL2,
+ .load = i915_driver_load,
+ .unload = i915_driver_unload,
+ .lastclose = i915_driver_lastclose,
+ .preclose = i915_driver_preclose,
+ .suspend = i915_suspend,
+ .resume = i915_resume,
+ .device_is_agp = i915_driver_device_is_agp,
+ .vblank_wait = i915_driver_vblank_wait,
+ .vblank_wait2 = i915_driver_vblank_wait2,
+ .irq_preinstall = i915_driver_irq_preinstall,
+ .irq_postinstall = i915_driver_irq_postinstall,
+ .irq_uninstall = i915_driver_irq_uninstall,
+ .irq_handler = i915_driver_irq_handler,
+ .reclaim_buffers = drm_core_reclaim_buffers,
+ .get_map_ofs = drm_core_get_map_ofs,
+ .get_reg_ofs = drm_core_get_reg_ofs,
+ .ioctls = i915_ioctls,
+ .fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .release = drm_release,
+ .ioctl = drm_ioctl,
+ .mmap = drm_mmap,
+ .poll = drm_poll,
+ .fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = i915_compat_ioctl,
+#endif
+ },
+
+ .pci_driver = {
+ .name = DRIVER_NAME,
+ .id_table = pciidlist,
+ },
+
+ .name = DRIVER_NAME,
+ .desc = DRIVER_DESC,
+ .date = DRIVER_DATE,
+ .major = DRIVER_MAJOR,
+ .minor = DRIVER_MINOR,
+ .patchlevel = DRIVER_PATCHLEVEL,
+};
+
+static int __init i915_init(void)
+{
+ driver.num_ioctls = i915_max_ioctl;
+ return drm_init(&driver);
+}
+
+static void __exit i915_exit(void)
+{
+ drm_exit(&driver);
+}
+
+module_init(i915_init);
+module_exit(i915_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL and additional rights");