/* BEGIN CSTYLED */ /* * i915_drv.c -- Intel i915 driver -*- linux-c -*- * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com */ /* * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * Copyright (c) 2009, Intel Corporation. * 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, sublicense, * 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 NONINFRINGEMENT. IN NO EVENT SHALL * VA LINUX SYSTEMS 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. * * Authors: * Gareth Hughes * */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * I915 DRM Driver for Solaris * * This driver provides the hardware 3D acceleration support for Intel * integrated video devices (e.g. i8xx/i915/i945 series chipsets), under the * DRI (Direct Rendering Infrastructure). DRM (Direct Rendering Manager) here * means the kernel device driver in DRI. * * I915 driver is a device dependent driver only, it depends on a misc module * named drm for generic DRM operations. */ #include "drmP.h" #include "i915_drm.h" #include "i915_drv.h" #include "drm_pciids.h" /* * copied from vgasubr.h */ struct vgaregmap { uint8_t *addr; ddi_acc_handle_t handle; boolean_t mapped; }; enum pipe { PIPE_A = 0, PIPE_B, }; /* * cb_ops entrypoint */ extern struct cb_ops drm_cb_ops; /* * module entrypoint */ static int i915_info(dev_info_t *, ddi_info_cmd_t, void *, void **); static int i915_attach(dev_info_t *, ddi_attach_cmd_t); static int i915_detach(dev_info_t *, ddi_detach_cmd_t); /* drv_PCI_IDs comes from drm_pciids.h */ static drm_pci_id_list_t i915_pciidlist[] = { i915_PCI_IDS }; /* * Local routines */ static void i915_configure(drm_driver_t *); static int i915_quiesce(dev_info_t *dip); /* * DRM driver */ static drm_driver_t i915_driver = {0}; static struct dev_ops i915_dev_ops = { DEVO_REV, /* devo_rev */ 0, /* devo_refcnt */ i915_info, /* devo_getinfo */ nulldev, /* devo_identify */ nulldev, /* devo_probe */ i915_attach, /* devo_attach */ i915_detach, /* devo_detach */ nodev, /* devo_reset */ &drm_cb_ops, /* devo_cb_ops */ NULL, /* devo_bus_ops */ NULL, /* power */ i915_quiesce, /* devo_quiesce */ }; static struct modldrv modldrv = { &mod_driverops, /* drv_modops */ "I915 DRM driver", /* drv_linkinfo */ &i915_dev_ops, /* drv_dev_ops */ }; static struct modlinkage modlinkage = { MODREV_1, (void *) &modldrv, NULL }; static ddi_device_acc_attr_t s3_attr = { DDI_DEVICE_ATTR_V0, DDI_NEVERSWAP_ACC, DDI_STRICTORDER_ACC /* must be DDI_STRICTORDER_ACC */ }; /* * softstate head */ static void *i915_statep; int _init(void) { int error; i915_configure(&i915_driver); if ((error = ddi_soft_state_init(&i915_statep, sizeof (drm_device_t), DRM_MAX_INSTANCES)) != 0) return (error); if ((error = mod_install(&modlinkage)) != 0) { ddi_soft_state_fini(&i915_statep); return (error); } return (error); } /* _init() */ int _fini(void) { int error; if ((error = mod_remove(&modlinkage)) != 0) return (error); (void) ddi_soft_state_fini(&i915_statep); return (0); } /* _fini() */ int _info(struct modinfo *modinfop) { return (mod_info(&modlinkage, modinfop)); } /* _info() */ /* * off range: 0x3b0 ~ 0x3ff */ static void vga_reg_put8(struct vgaregmap *regmap, uint16_t off, uint8_t val) { ASSERT((off >= 0x3b0) && (off <= 0x3ff)); ddi_put8(regmap->handle, regmap->addr + off, val); } /* * off range: 0x3b0 ~ 0x3ff */ static uint8_t vga_reg_get8(struct vgaregmap *regmap, uint16_t off) { ASSERT((off >= 0x3b0) && (off <= 0x3ff)); return (ddi_get8(regmap->handle, regmap->addr + off)); } static void i915_write_indexed(struct vgaregmap *regmap, uint16_t index_port, uint16_t data_port, uint8_t index, uint8_t val) { vga_reg_put8(regmap, index_port, index); vga_reg_put8(regmap, data_port, val); } static uint8_t i915_read_indexed(struct vgaregmap *regmap, uint16_t index_port, uint16_t data_port, uint8_t index) { vga_reg_put8(regmap, index_port, index); return (vga_reg_get8(regmap, data_port)); } static void i915_write_ar(struct vgaregmap *regmap, uint16_t st01, uint8_t reg, uint8_t val, uint8_t palette_enable) { (void) vga_reg_get8(regmap, st01); vga_reg_put8(regmap, VGA_AR_INDEX, palette_enable | reg); vga_reg_put8(regmap, VGA_AR_DATA_WRITE, val); } static uint8_t i915_read_ar(struct vgaregmap *regmap, uint16_t st01, uint8_t index, uint8_t palette_enable) { (void) vga_reg_get8(regmap, st01); vga_reg_put8(regmap, VGA_AR_INDEX, index | palette_enable); return (vga_reg_get8(regmap, VGA_AR_DATA_READ)); } static int i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) { struct s3_i915_private *s3_priv = dev->s3_private; if (pipe == PIPE_A) return (S3_READ(DPLL_A) & DPLL_VCO_ENABLE); else return (S3_READ(DPLL_B) & DPLL_VCO_ENABLE); } static void i915_save_palette(struct drm_device *dev, enum pipe pipe) { struct s3_i915_private *s3_priv = dev->s3_private; unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B); uint32_t *array; int i; if (!i915_pipe_enabled(dev, pipe)) return; if (pipe == PIPE_A) array = s3_priv->save_palette_a; else array = s3_priv->save_palette_b; for(i = 0; i < 256; i++) array[i] = S3_READ(reg + (i << 2)); } static void i915_restore_palette(struct drm_device *dev, enum pipe pipe) { struct s3_i915_private *s3_priv = dev->s3_private; unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B); uint32_t *array; int i; if (!i915_pipe_enabled(dev, pipe)) return; if (pipe == PIPE_A) array = s3_priv->save_palette_a; else array = s3_priv->save_palette_b; for(i = 0; i < 256; i++) S3_WRITE(reg + (i << 2), array[i]); } static void i915_save_vga(struct drm_device *dev) { struct s3_i915_private *s3_priv = dev->s3_private; int i; uint16_t cr_index, cr_data, st01; struct vgaregmap regmap; regmap.addr = (uint8_t *)s3_priv->saveAddr; regmap.handle = s3_priv->saveHandle; /* VGA color palette registers */ s3_priv->saveDACMASK = vga_reg_get8(®map, VGA_DACMASK); /* DACCRX automatically increments during read */ vga_reg_put8(®map, VGA_DACRX, 0); /* Read 3 bytes of color data from each index */ for (i = 0; i < 256 * 3; i++) s3_priv->saveDACDATA[i] = vga_reg_get8(®map, VGA_DACDATA); /* MSR bits */ s3_priv->saveMSR = vga_reg_get8(®map, VGA_MSR_READ); if (s3_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(®map, cr_index, cr_data, 0x11, i915_read_indexed(®map, cr_index, cr_data, 0x11) & (~0x80)); for (i = 0; i <= 0x24; i++) s3_priv->saveCR[i] = i915_read_indexed(®map, cr_index, cr_data, i); /* Make sure we don't turn off CR group 0 writes */ s3_priv->saveCR[0x11] &= ~0x80; /* Attribute controller registers */ (void) vga_reg_get8(®map, st01); s3_priv->saveAR_INDEX = vga_reg_get8(®map, VGA_AR_INDEX); for (i = 0; i <= 0x14; i++) s3_priv->saveAR[i] = i915_read_ar(®map, st01, i, 0); (void) vga_reg_get8(®map, st01); vga_reg_put8(®map, VGA_AR_INDEX, s3_priv->saveAR_INDEX); (void) vga_reg_get8(®map, st01); /* Graphics controller registers */ for (i = 0; i < 9; i++) s3_priv->saveGR[i] = i915_read_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, i); s3_priv->saveGR[0x10] = i915_read_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x10); s3_priv->saveGR[0x11] = i915_read_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x11); s3_priv->saveGR[0x18] = i915_read_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x18); /* Sequencer registers */ for (i = 0; i < 8; i++) s3_priv->saveSR[i] = i915_read_indexed(®map, VGA_SR_INDEX, VGA_SR_DATA, i); } static void i915_restore_vga(struct drm_device *dev) { struct s3_i915_private *s3_priv = dev->s3_private; int i; uint16_t cr_index, cr_data, st01; struct vgaregmap regmap; regmap.addr = (uint8_t *)s3_priv->saveAddr; regmap.handle = s3_priv->saveHandle; /* * I/O Address Select. This bit selects 3Bxh or 3Dxh as the * I/O address for the CRT Controller registers, * the Feature Control Register (FCR), and Input Status Register * 1 (ST01). Presently ignored (whole range is claimed), but * will "ignore" 3Bx for color configuration or 3Dx for monochrome. * Note that it is typical in AGP chipsets to shadow this bit * and properly steer I/O cycles to the proper bus for operation * where a MDA exists on another bus such as ISA. * 0 = Select 3Bxh I/O address (MDA emulation) (default). * 1 = Select 3Dxh I/O address (CGA emulation). */ vga_reg_put8(®map, VGA_MSR_WRITE, s3_priv->saveMSR); if (s3_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(®map, VGA_SR_INDEX, VGA_SR_DATA, i, s3_priv->saveSR[i]); /* CRT controller regs */ /* Enable CR group 0 writes */ i915_write_indexed(®map, cr_index, cr_data, 0x11, s3_priv->saveCR[0x11]); for (i = 0; i <= 0x24; i++) i915_write_indexed(®map, cr_index, cr_data, i, s3_priv->saveCR[i]); /* Graphics controller regs */ for (i = 0; i < 9; i++) i915_write_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, i, s3_priv->saveGR[i]); i915_write_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x10, s3_priv->saveGR[0x10]); i915_write_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x11, s3_priv->saveGR[0x11]); i915_write_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x18, s3_priv->saveGR[0x18]); /* Attribute controller registers */ (void) vga_reg_get8(®map, st01); /* switch back to index mode */ for (i = 0; i <= 0x14; i++) i915_write_ar(®map, st01, i, s3_priv->saveAR[i], 0); (void) vga_reg_get8(®map, st01); /* switch back to index mode */ vga_reg_put8(®map, VGA_AR_INDEX, s3_priv->saveAR_INDEX | 0x20); (void) vga_reg_get8(®map, st01); /* switch back to index mode */ /* VGA color palette registers */ vga_reg_put8(®map, VGA_DACMASK, s3_priv->saveDACMASK); /* DACCRX automatically increments during read */ vga_reg_put8(®map, VGA_DACWX, 0); /* Read 3 bytes of color data from each index */ for (i = 0; i < 256 * 3; i++) vga_reg_put8(®map, VGA_DACDATA, s3_priv->saveDACDATA[i]); } /** * i915_save_display - save display & mode info * @dev: DRM device * * Save mode timings and display info. */ void i915_save_display(struct drm_device *dev) { struct s3_i915_private *s3_priv = dev->s3_private; /* Display arbitration control */ s3_priv->saveDSPARB = S3_READ(DSPARB); /* * Pipe & plane A info. */ s3_priv->savePIPEACONF = S3_READ(PIPEACONF); s3_priv->savePIPEASRC = S3_READ(PIPEASRC); s3_priv->saveFPA0 = S3_READ(FPA0); s3_priv->saveFPA1 = S3_READ(FPA1); s3_priv->saveDPLL_A = S3_READ(DPLL_A); if (IS_I965G(dev)) s3_priv->saveDPLL_A_MD = S3_READ(DPLL_A_MD); s3_priv->saveHTOTAL_A = S3_READ(HTOTAL_A); s3_priv->saveHBLANK_A = S3_READ(HBLANK_A); s3_priv->saveHSYNC_A = S3_READ(HSYNC_A); s3_priv->saveVTOTAL_A = S3_READ(VTOTAL_A); s3_priv->saveVBLANK_A = S3_READ(VBLANK_A); s3_priv->saveVSYNC_A = S3_READ(VSYNC_A); s3_priv->saveBCLRPAT_A = S3_READ(BCLRPAT_A); s3_priv->saveDSPACNTR = S3_READ(DSPACNTR); s3_priv->saveDSPASTRIDE = S3_READ(DSPASTRIDE); s3_priv->saveDSPASIZE = S3_READ(DSPASIZE); s3_priv->saveDSPAPOS = S3_READ(DSPAPOS); s3_priv->saveDSPABASE = S3_READ(DSPABASE); if (IS_I965G(dev)) { s3_priv->saveDSPASURF = S3_READ(DSPASURF); s3_priv->saveDSPATILEOFF = S3_READ(DSPATILEOFF); } i915_save_palette(dev, PIPE_A); s3_priv->savePIPEASTAT = S3_READ(PIPEASTAT); /* * Pipe & plane B info */ s3_priv->savePIPEBCONF = S3_READ(PIPEBCONF); s3_priv->savePIPEBSRC = S3_READ(PIPEBSRC); s3_priv->saveFPB0 = S3_READ(FPB0); s3_priv->saveFPB1 = S3_READ(FPB1); s3_priv->saveDPLL_B = S3_READ(DPLL_B); if (IS_I965G(dev)) s3_priv->saveDPLL_B_MD = S3_READ(DPLL_B_MD); s3_priv->saveHTOTAL_B = S3_READ(HTOTAL_B); s3_priv->saveHBLANK_B = S3_READ(HBLANK_B); s3_priv->saveHSYNC_B = S3_READ(HSYNC_B); s3_priv->saveVTOTAL_B = S3_READ(VTOTAL_B); s3_priv->saveVBLANK_B = S3_READ(VBLANK_B); s3_priv->saveVSYNC_B = S3_READ(VSYNC_B); s3_priv->saveBCLRPAT_A = S3_READ(BCLRPAT_A); s3_priv->saveDSPBCNTR = S3_READ(DSPBCNTR); s3_priv->saveDSPBSTRIDE = S3_READ(DSPBSTRIDE); s3_priv->saveDSPBSIZE = S3_READ(DSPBSIZE); s3_priv->saveDSPBPOS = S3_READ(DSPBPOS); s3_priv->saveDSPBBASE = S3_READ(DSPBBASE); if (IS_I965GM(dev) || IS_GM45(dev)) { s3_priv->saveDSPBSURF = S3_READ(DSPBSURF); s3_priv->saveDSPBTILEOFF = S3_READ(DSPBTILEOFF); } i915_save_palette(dev, PIPE_B); s3_priv->savePIPEBSTAT = S3_READ(PIPEBSTAT); /* * CRT state */ s3_priv->saveADPA = S3_READ(ADPA); /* * LVDS state */ s3_priv->savePP_CONTROL = S3_READ(PP_CONTROL); s3_priv->savePFIT_PGM_RATIOS = S3_READ(PFIT_PGM_RATIOS); s3_priv->saveBLC_PWM_CTL = S3_READ(BLC_PWM_CTL); if (IS_I965G(dev)) s3_priv->saveBLC_PWM_CTL2 = S3_READ(BLC_PWM_CTL2); if (IS_MOBILE(dev) && !IS_I830(dev)) s3_priv->saveLVDS = S3_READ(LVDS); if (!IS_I830(dev) && !IS_845G(dev)) s3_priv->savePFIT_CONTROL = S3_READ(PFIT_CONTROL); s3_priv->saveLVDSPP_ON = S3_READ(LVDSPP_ON); s3_priv->saveLVDSPP_OFF = S3_READ(LVDSPP_OFF); s3_priv->savePP_CYCLE = S3_READ(PP_CYCLE); /* FIXME: save TV & SDVO state */ /* FBC state */ s3_priv->saveFBC_CFB_BASE = S3_READ(FBC_CFB_BASE); s3_priv->saveFBC_LL_BASE = S3_READ(FBC_LL_BASE); s3_priv->saveFBC_CONTROL2 = S3_READ(FBC_CONTROL2); s3_priv->saveFBC_CONTROL = S3_READ(FBC_CONTROL); /* VGA state */ s3_priv->saveVCLK_DIVISOR_VGA0 = S3_READ(VCLK_DIVISOR_VGA0); s3_priv->saveVCLK_DIVISOR_VGA1 = S3_READ(VCLK_DIVISOR_VGA1); s3_priv->saveVCLK_POST_DIV = S3_READ(VCLK_POST_DIV); s3_priv->saveVGACNTRL = S3_READ(VGACNTRL); i915_save_vga(dev); } void i915_restore_display(struct drm_device *dev) { struct s3_i915_private *s3_priv = dev->s3_private; S3_WRITE(DSPARB, s3_priv->saveDSPARB); /* * Pipe & plane A info * Prime the clock */ if (s3_priv->saveDPLL_A & DPLL_VCO_ENABLE) { S3_WRITE(DPLL_A, s3_priv->saveDPLL_A & ~DPLL_VCO_ENABLE); drv_usecwait(150); } S3_WRITE(FPA0, s3_priv->saveFPA0); S3_WRITE(FPA1, s3_priv->saveFPA1); /* Actually enable it */ S3_WRITE(DPLL_A, s3_priv->saveDPLL_A); drv_usecwait(150); if (IS_I965G(dev)) S3_WRITE(DPLL_A_MD, s3_priv->saveDPLL_A_MD); drv_usecwait(150); /* Restore mode */ S3_WRITE(HTOTAL_A, s3_priv->saveHTOTAL_A); S3_WRITE(HBLANK_A, s3_priv->saveHBLANK_A); S3_WRITE(HSYNC_A, s3_priv->saveHSYNC_A); S3_WRITE(VTOTAL_A, s3_priv->saveVTOTAL_A); S3_WRITE(VBLANK_A, s3_priv->saveVBLANK_A); S3_WRITE(VSYNC_A, s3_priv->saveVSYNC_A); S3_WRITE(BCLRPAT_A, s3_priv->saveBCLRPAT_A); /* Restore plane info */ S3_WRITE(DSPASIZE, s3_priv->saveDSPASIZE); S3_WRITE(DSPAPOS, s3_priv->saveDSPAPOS); S3_WRITE(PIPEASRC, s3_priv->savePIPEASRC); S3_WRITE(DSPABASE, s3_priv->saveDSPABASE); S3_WRITE(DSPASTRIDE, s3_priv->saveDSPASTRIDE); if (IS_I965G(dev)) { S3_WRITE(DSPASURF, s3_priv->saveDSPASURF); S3_WRITE(DSPATILEOFF, s3_priv->saveDSPATILEOFF); } S3_WRITE(PIPEACONF, s3_priv->savePIPEACONF); i915_restore_palette(dev, PIPE_A); /* Enable the plane */ S3_WRITE(DSPACNTR, s3_priv->saveDSPACNTR); S3_WRITE(DSPABASE, S3_READ(DSPABASE)); /* Pipe & plane B info */ if (s3_priv->saveDPLL_B & DPLL_VCO_ENABLE) { S3_WRITE(DPLL_B, s3_priv->saveDPLL_B & ~DPLL_VCO_ENABLE); drv_usecwait(150); } S3_WRITE(FPB0, s3_priv->saveFPB0); S3_WRITE(FPB1, s3_priv->saveFPB1); /* Actually enable it */ S3_WRITE(DPLL_B, s3_priv->saveDPLL_B); drv_usecwait(150); if (IS_I965G(dev)) S3_WRITE(DPLL_B_MD, s3_priv->saveDPLL_B_MD); drv_usecwait(150); /* Restore mode */ S3_WRITE(HTOTAL_B, s3_priv->saveHTOTAL_B); S3_WRITE(HBLANK_B, s3_priv->saveHBLANK_B); S3_WRITE(HSYNC_B, s3_priv->saveHSYNC_B); S3_WRITE(VTOTAL_B, s3_priv->saveVTOTAL_B); S3_WRITE(VBLANK_B, s3_priv->saveVBLANK_B); S3_WRITE(VSYNC_B, s3_priv->saveVSYNC_B); S3_WRITE(BCLRPAT_B, s3_priv->saveBCLRPAT_B); /* Restore plane info */ S3_WRITE(DSPBSIZE, s3_priv->saveDSPBSIZE); S3_WRITE(DSPBPOS, s3_priv->saveDSPBPOS); S3_WRITE(PIPEBSRC, s3_priv->savePIPEBSRC); S3_WRITE(DSPBBASE, s3_priv->saveDSPBBASE); S3_WRITE(DSPBSTRIDE, s3_priv->saveDSPBSTRIDE); if (IS_I965G(dev)) { S3_WRITE(DSPBSURF, s3_priv->saveDSPBSURF); S3_WRITE(DSPBTILEOFF, s3_priv->saveDSPBTILEOFF); } S3_WRITE(PIPEBCONF, s3_priv->savePIPEBCONF); i915_restore_palette(dev, PIPE_B); /* Enable the plane */ S3_WRITE(DSPBCNTR, s3_priv->saveDSPBCNTR); S3_WRITE(DSPBBASE, S3_READ(DSPBBASE)); /* CRT state */ S3_WRITE(ADPA, s3_priv->saveADPA); /* LVDS state */ if (IS_I965G(dev)) S3_WRITE(BLC_PWM_CTL2, s3_priv->saveBLC_PWM_CTL2); if (IS_MOBILE(dev) && !IS_I830(dev)) S3_WRITE(LVDS, s3_priv->saveLVDS); if (!IS_I830(dev) && !IS_845G(dev)) S3_WRITE(PFIT_CONTROL, s3_priv->savePFIT_CONTROL); S3_WRITE(PFIT_PGM_RATIOS, s3_priv->savePFIT_PGM_RATIOS); S3_WRITE(BLC_PWM_CTL, s3_priv->saveBLC_PWM_CTL); S3_WRITE(LVDSPP_ON, s3_priv->saveLVDSPP_ON); S3_WRITE(LVDSPP_OFF, s3_priv->saveLVDSPP_OFF); S3_WRITE(PP_CYCLE, s3_priv->savePP_CYCLE); S3_WRITE(PP_CONTROL, s3_priv->savePP_CONTROL); /* FIXME: restore TV & SDVO state */ /* FBC info */ S3_WRITE(FBC_CFB_BASE, s3_priv->saveFBC_CFB_BASE); S3_WRITE(FBC_LL_BASE, s3_priv->saveFBC_LL_BASE); S3_WRITE(FBC_CONTROL2, s3_priv->saveFBC_CONTROL2); S3_WRITE(FBC_CONTROL, s3_priv->saveFBC_CONTROL); /* VGA state */ S3_WRITE(VGACNTRL, s3_priv->saveVGACNTRL); S3_WRITE(VCLK_DIVISOR_VGA0, s3_priv->saveVCLK_DIVISOR_VGA0); S3_WRITE(VCLK_DIVISOR_VGA1, s3_priv->saveVCLK_DIVISOR_VGA1); S3_WRITE(VCLK_POST_DIV, s3_priv->saveVCLK_POST_DIV); drv_usecwait(150); i915_restore_vga(dev); } static int i915_resume(struct drm_device *dev) { ddi_acc_handle_t conf_hdl; struct s3_i915_private *s3_priv = dev->s3_private; int i; if (pci_config_setup(dev->dip, &conf_hdl) != DDI_SUCCESS) { DRM_ERROR(("i915_resume: pci_config_setup fail")); return (DDI_FAILURE); } /* * Nexus driver will resume pci config space and set the power state * for its children. So we needn't resume them explicitly here. * see pci_pre_resume for detail. */ pci_config_put8(conf_hdl, LBB, s3_priv->saveLBB); if (IS_I965G(dev) && IS_MOBILE(dev)) S3_WRITE(MCHBAR_RENDER_STANDBY, s3_priv->saveRENDERSTANDBY); if (IS_I965GM(dev)) (void) S3_READ(MCHBAR_RENDER_STANDBY); S3_WRITE(HWS_PGA, s3_priv->saveHWS); if (IS_I965GM(dev)) (void) S3_READ(HWS_PGA); i915_restore_display(dev); /* Clock gating state */ S3_WRITE (D_STATE, s3_priv->saveD_STATE); S3_WRITE (CG_2D_DIS, s3_priv->saveCG_2D_DIS); /* Cache mode state */ S3_WRITE (CACHE_MODE_0, s3_priv->saveCACHE_MODE_0 | 0xffff0000); /* Memory arbitration state */ S3_WRITE (MI_ARB_STATE, s3_priv->saveMI_ARB_STATE | 0xffff0000); for (i = 0; i < 16; i++) { S3_WRITE(SWF0 + (i << 2), s3_priv->saveSWF0[i]); S3_WRITE(SWF10 + (i << 2), s3_priv->saveSWF1[i+7]); } for (i = 0; i < 3; i++) S3_WRITE(SWF30 + (i << 2), s3_priv->saveSWF2[i]); if (IS_I965GM(dev)) { S3_WRITE(I915REG_PGTBL_CTRL, s3_priv->pgtbl_ctl); (void) S3_READ(I915REG_PGTBL_CTRL); } (void) pci_config_teardown(&conf_hdl); drm_agp_rebind(dev); return (DDI_SUCCESS); } static int i915_suspend(struct drm_device *dev) { ddi_acc_handle_t conf_hdl; struct s3_i915_private *s3_priv = dev->s3_private; int i; if (pci_config_setup(dev->dip, &conf_hdl) != DDI_SUCCESS) { DRM_ERROR(("i915_suspend: pci_config_setup fail")); return (DDI_FAILURE); } /* * Nexus driver will resume pci config space for its children. * So pci config registers are not saved here. */ s3_priv->saveLBB = pci_config_get8(conf_hdl, LBB); if (IS_I965G(dev) && IS_MOBILE(dev)) s3_priv->saveRENDERSTANDBY = S3_READ(MCHBAR_RENDER_STANDBY); /* Hardware status page */ s3_priv->saveHWS = S3_READ(HWS_PGA); i915_save_display(dev); /* Interrupt state */ s3_priv->saveIIR = S3_READ(IIR); s3_priv->saveIER = S3_READ(IER); s3_priv->saveIMR = S3_READ(IMR); /* Clock gating state */ s3_priv->saveD_STATE = S3_READ(D_STATE); s3_priv->saveCG_2D_DIS = S3_READ(CG_2D_DIS); /* Cache mode state */ s3_priv->saveCACHE_MODE_0 = S3_READ(CACHE_MODE_0); /* Memory Arbitration state */ s3_priv->saveMI_ARB_STATE = S3_READ(MI_ARB_STATE); /* Scratch space */ for (i = 0; i < 16; i++) { s3_priv->saveSWF0[i] = S3_READ(SWF0 + (i << 2)); s3_priv->saveSWF1[i] = S3_READ(SWF10 + (i << 2)); } for (i = 0; i < 3; i++) s3_priv->saveSWF2[i] = S3_READ(SWF30 + (i << 2)); /* * Save page table control register */ if (IS_I965GM(dev)) s3_priv->pgtbl_ctl = S3_READ(I915REG_PGTBL_CTRL); (void) pci_config_teardown(&conf_hdl); return (DDI_SUCCESS); } /* * This funtion check the length of memory mapped IO space to get the right bar. * And There are two possibilities here. * 1. The MMIO registers is in memory map IO bar with 1M size. The bottom half * of the 1M space is the MMIO registers. * 2. The MMIO register is in memory map IO with 512K size. The whole 512K * space is the MMIO registers. */ static int i915_map_regs(dev_info_t *dip, caddr_t *save_addr, ddi_acc_handle_t *handlep) { int rnumber; int nregs; off_t size = 0; if (ddi_dev_nregs(dip, &nregs)) { cmn_err(CE_WARN, "i915_map_regs: failed to get nregs"); return (DDI_FAILURE); } for (rnumber = 1; rnumber < nregs; rnumber++) { (void) ddi_dev_regsize(dip, rnumber, &size); if ((size == 0x80000) || (size == 0x100000) || (size == 0x400000)) break; } if (rnumber >= nregs) { cmn_err(CE_WARN, "i915_map_regs: failed to find MMIO registers"); return (DDI_FAILURE); } if (ddi_regs_map_setup(dip, rnumber, save_addr, 0, 0x80000, &s3_attr, handlep)) { cmn_err(CE_WARN, "i915_map_regs: failed to map bar %d", rnumber); return (DDI_FAILURE); } return (DDI_SUCCESS); } static void i915_unmap_regs(ddi_acc_handle_t *handlep) { ddi_regs_map_free(handlep); } static int i915_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) { drm_device_t *statep; s3_i915_private_t *s3_private; void *handle; int unit; unit = ddi_get_instance(dip); switch (cmd) { case DDI_ATTACH: break; case DDI_RESUME: statep = ddi_get_soft_state(i915_statep, unit); return (i915_resume(statep)); default: DRM_ERROR("i915_attach: attach and resume ops are supported"); return (DDI_FAILURE); } if (ddi_soft_state_zalloc(i915_statep, unit) != DDI_SUCCESS) { cmn_err(CE_WARN, "i915_attach: failed to alloc softstate"); return (DDI_FAILURE); } statep = ddi_get_soft_state(i915_statep, unit); statep->dip = dip; statep->driver = &i915_driver; statep->s3_private = drm_alloc(sizeof(s3_i915_private_t), DRM_MEM_DRIVER); if (statep->s3_private == NULL) { cmn_err(CE_WARN, "i915_attach: failed to allocate s3 priv"); goto err_exit1; } /* * Map in the mmio register space for s3. */ s3_private = (s3_i915_private_t *)statep->s3_private; if (i915_map_regs(dip, &s3_private->saveAddr, &s3_private->saveHandle)) { cmn_err(CE_WARN, "i915_attach: failed to map MMIO"); goto err_exit2; } /* * Call drm_supp_register to create minor nodes for us */ handle = drm_supp_register(dip, statep); if ( handle == NULL) { DRM_ERROR("i915_attach: drm_supp_register failed"); goto err_exit3; } statep->drm_handle = handle; /* * After drm_supp_register, we can call drm_xxx routine */ statep->drm_supported = DRM_UNSUPPORT; if ( drm_probe(statep, i915_pciidlist) != DDI_SUCCESS) { DRM_ERROR("i915_open: " "DRM current don't support this graphics card"); goto err_exit4; } statep->drm_supported = DRM_SUPPORT; /* call common attach code */ if (drm_attach(statep) != DDI_SUCCESS) { DRM_ERROR("i915_attach: drm_attach failed"); goto err_exit4; } return (DDI_SUCCESS); err_exit4: (void) drm_supp_unregister(handle); err_exit3: i915_unmap_regs(&s3_private->saveHandle); err_exit2: drm_free(statep->s3_private, sizeof(s3_i915_private_t), DRM_MEM_DRIVER); err_exit1: (void) ddi_soft_state_free(i915_statep, unit); return (DDI_FAILURE); } /* i915_attach() */ static int i915_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) { drm_device_t *statep; int unit; s3_i915_private_t *s3_private; if ((cmd != DDI_SUSPEND) && (cmd != DDI_DETACH)) { DRM_ERROR("i915_detach: " "only detach and resume ops are supported"); return (DDI_FAILURE); } unit = ddi_get_instance(dip); statep = ddi_get_soft_state(i915_statep, unit); if (statep == NULL) { DRM_ERROR("i915_detach: can not get soft state"); return (DDI_FAILURE); } if (cmd == DDI_SUSPEND) return (i915_suspend(statep)); s3_private = (s3_i915_private_t *)statep->s3_private; ddi_regs_map_free(&s3_private->saveHandle); /* * Free the struct for context saving in S3 */ drm_free(statep->s3_private, sizeof(s3_i915_private_t), DRM_MEM_DRIVER); (void) drm_detach(statep); (void) drm_supp_unregister(statep->drm_handle); (void) ddi_soft_state_free(i915_statep, unit); return (DDI_SUCCESS); } /* i915_detach() */ /*ARGSUSED*/ static int i915_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) { drm_device_t *statep; int error = DDI_SUCCESS; int unit; unit = drm_dev_to_instance((dev_t)arg); switch (infocmd) { case DDI_INFO_DEVT2DEVINFO: statep = ddi_get_soft_state(i915_statep, unit); if (statep == NULL || statep->dip == NULL) { error = DDI_FAILURE; } else { *result = (void *) statep->dip; error = DDI_SUCCESS; } break; case DDI_INFO_DEVT2INSTANCE: *result = (void *)(uintptr_t)unit; error = DDI_SUCCESS; break; default: error = DDI_FAILURE; break; } return (error); } /* i915_info() */ static void i915_configure(drm_driver_t *driver) { driver->buf_priv_size = 1; /* No dev_priv */ driver->load = i915_driver_load; driver->unload = i915_driver_unload; driver->open = i915_driver_open; driver->preclose = i915_driver_preclose; driver->postclose = i915_driver_postclose; driver->lastclose = i915_driver_lastclose; driver->device_is_agp = i915_driver_device_is_agp; driver->enable_vblank = i915_enable_vblank; driver->disable_vblank = i915_disable_vblank; driver->irq_preinstall = i915_driver_irq_preinstall; driver->irq_postinstall = i915_driver_irq_postinstall; driver->irq_uninstall = i915_driver_irq_uninstall; driver->irq_handler = i915_driver_irq_handler; driver->gem_init_object = i915_gem_init_object; driver->gem_free_object = i915_gem_free_object; driver->driver_ioctls = i915_ioctls; driver->max_driver_ioctl = i915_max_ioctl; driver->driver_name = DRIVER_NAME; driver->driver_desc = DRIVER_DESC; driver->driver_date = DRIVER_DATE; driver->driver_major = DRIVER_MAJOR; driver->driver_minor = DRIVER_MINOR; driver->driver_patchlevel = DRIVER_PATCHLEVEL; driver->use_agp = 1; driver->require_agp = 1; driver->use_irq = 1; } static int i915_quiesce(dev_info_t *dip) { drm_device_t *statep; int unit; unit = ddi_get_instance(dip); statep = ddi_get_soft_state(i915_statep, unit); if (statep == NULL) { return (DDI_FAILURE); } i915_driver_irq_uninstall(statep); return (DDI_SUCCESS); }