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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/gma500/cdv_device.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/gma500/cdv_device.c')
-rw-r--r--drivers/gpu/drm/gma500/cdv_device.c597
1 files changed, 597 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c
new file mode 100644
index 000000000..306559625
--- /dev/null
+++ b/drivers/gpu/drm/gma500/cdv_device.c
@@ -0,0 +1,597 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include <linux/delay.h>
+
+#include <drm/drm.h>
+
+#include "cdv_device.h"
+#include "gma_device.h"
+#include "intel_bios.h"
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_reg.h"
+
+#define VGA_SR_INDEX 0x3c4
+#define VGA_SR_DATA 0x3c5
+
+static void cdv_disable_vga(struct drm_device *dev)
+{
+ u8 sr1;
+ u32 vga_reg;
+
+ vga_reg = VGACNTRL;
+
+ outb(1, VGA_SR_INDEX);
+ sr1 = inb(VGA_SR_DATA);
+ outb(sr1 | 1<<5, VGA_SR_DATA);
+ udelay(300);
+
+ REG_WRITE(vga_reg, VGA_DISP_DISABLE);
+ REG_READ(vga_reg);
+}
+
+static int cdv_output_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+
+ drm_mode_create_scaling_mode_property(dev);
+
+ cdv_disable_vga(dev);
+
+ cdv_intel_crt_init(dev, &dev_priv->mode_dev);
+ cdv_intel_lvds_init(dev, &dev_priv->mode_dev);
+
+ /* These bits indicate HDMI not SDVO on CDV */
+ if (REG_READ(SDVOB) & SDVO_DETECTED) {
+ cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOB);
+ if (REG_READ(DP_B) & DP_DETECTED)
+ cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_B);
+ }
+
+ if (REG_READ(SDVOC) & SDVO_DETECTED) {
+ cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOC);
+ if (REG_READ(DP_C) & DP_DETECTED)
+ cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_C);
+ }
+ return 0;
+}
+
+/*
+ * Cedartrail Backlght Interfaces
+ */
+
+static int cdv_backlight_combination_mode(struct drm_device *dev)
+{
+ return REG_READ(BLC_PWM_CTL2) & PWM_LEGACY_MODE;
+}
+
+static u32 cdv_get_max_backlight(struct drm_device *dev)
+{
+ u32 max = REG_READ(BLC_PWM_CTL);
+
+ if (max == 0) {
+ DRM_DEBUG_KMS("LVDS Panel PWM value is 0!\n");
+ /* i915 does this, I believe which means that we should not
+ * smash PWM control as firmware will take control of it. */
+ return 1;
+ }
+
+ max >>= 16;
+ if (cdv_backlight_combination_mode(dev))
+ max *= 0xff;
+ return max;
+}
+
+static int cdv_get_brightness(struct drm_device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+ u32 val = REG_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
+
+ if (cdv_backlight_combination_mode(dev)) {
+ u8 lbpc;
+
+ val &= ~1;
+ pci_read_config_byte(pdev, 0xF4, &lbpc);
+ val *= lbpc;
+ }
+ return (val * 100)/cdv_get_max_backlight(dev);
+}
+
+static void cdv_set_brightness(struct drm_device *dev, int level)
+{
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+ u32 blc_pwm_ctl;
+
+ level *= cdv_get_max_backlight(dev);
+ level /= 100;
+
+ if (cdv_backlight_combination_mode(dev)) {
+ u32 max = cdv_get_max_backlight(dev);
+ u8 lbpc;
+
+ lbpc = level * 0xfe / max + 1;
+ level /= lbpc;
+
+ pci_write_config_byte(pdev, 0xF4, lbpc);
+ }
+
+ blc_pwm_ctl = REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
+ REG_WRITE(BLC_PWM_CTL, (blc_pwm_ctl |
+ (level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
+}
+
+static int cdv_backlight_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+
+ dev_priv->backlight_level = cdv_get_brightness(dev);
+ cdv_set_brightness(dev, dev_priv->backlight_level);
+
+ return 0;
+}
+
+/*
+ * Provide the Cedarview specific chip logic and low level methods
+ * for power management
+ *
+ * FIXME: we need to implement the apm/ospm base management bits
+ * for this and the MID devices.
+ */
+
+static inline u32 CDV_MSG_READ32(int domain, uint port, uint offset)
+{
+ int mcr = (0x10<<24) | (port << 16) | (offset << 8);
+ uint32_t ret_val = 0;
+ struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
+ pci_write_config_dword(pci_root, 0xD0, mcr);
+ pci_read_config_dword(pci_root, 0xD4, &ret_val);
+ pci_dev_put(pci_root);
+ return ret_val;
+}
+
+static inline void CDV_MSG_WRITE32(int domain, uint port, uint offset,
+ u32 value)
+{
+ int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
+ struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
+ pci_write_config_dword(pci_root, 0xD4, value);
+ pci_write_config_dword(pci_root, 0xD0, mcr);
+ pci_dev_put(pci_root);
+}
+
+#define PSB_PM_SSC 0x20
+#define PSB_PM_SSS 0x30
+#define PSB_PWRGT_GFX_ON 0x02
+#define PSB_PWRGT_GFX_OFF 0x01
+#define PSB_PWRGT_GFX_D0 0x00
+#define PSB_PWRGT_GFX_D3 0x03
+
+static void cdv_init_pm(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+ u32 pwr_cnt;
+ int domain = pci_domain_nr(pdev->bus);
+ int i;
+
+ dev_priv->apm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT,
+ PSB_APMBA) & 0xFFFF;
+ dev_priv->ospm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT,
+ PSB_OSPMBA) & 0xFFFF;
+
+ /* Power status */
+ pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
+
+ /* Enable the GPU */
+ pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
+ pwr_cnt |= PSB_PWRGT_GFX_ON;
+ outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
+
+ /* Wait for the GPU power */
+ for (i = 0; i < 5; i++) {
+ u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
+ if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0)
+ return;
+ udelay(10);
+ }
+ dev_err(dev->dev, "GPU: power management timed out.\n");
+}
+
+static void cdv_errata(struct drm_device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+
+ /* Disable bonus launch.
+ * CPU and GPU competes for memory and display misses updates and
+ * flickers. Worst with dual core, dual displays.
+ *
+ * Fixes were done to Win 7 gfx driver to disable a feature called
+ * Bonus Launch to work around the issue, by degrading
+ * performance.
+ */
+ CDV_MSG_WRITE32(pci_domain_nr(pdev->bus), 3, 0x30, 0x08027108);
+}
+
+/**
+ * cdv_save_display_registers - save registers lost on suspend
+ * @dev: our DRM device
+ *
+ * Save the state we need in order to be able to restore the interface
+ * upon resume from suspend
+ */
+static int cdv_save_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+ struct psb_save_area *regs = &dev_priv->regs;
+ struct drm_connector_list_iter conn_iter;
+ struct drm_connector *connector;
+
+ dev_dbg(dev->dev, "Saving GPU registers.\n");
+
+ pci_read_config_byte(pdev, 0xF4, &regs->cdv.saveLBB);
+
+ regs->cdv.saveDSPCLK_GATE_D = REG_READ(DSPCLK_GATE_D);
+ regs->cdv.saveRAMCLK_GATE_D = REG_READ(RAMCLK_GATE_D);
+
+ regs->cdv.saveDSPARB = REG_READ(DSPARB);
+ regs->cdv.saveDSPFW[0] = REG_READ(DSPFW1);
+ regs->cdv.saveDSPFW[1] = REG_READ(DSPFW2);
+ regs->cdv.saveDSPFW[2] = REG_READ(DSPFW3);
+ regs->cdv.saveDSPFW[3] = REG_READ(DSPFW4);
+ regs->cdv.saveDSPFW[4] = REG_READ(DSPFW5);
+ regs->cdv.saveDSPFW[5] = REG_READ(DSPFW6);
+
+ regs->cdv.saveADPA = REG_READ(ADPA);
+
+ regs->cdv.savePP_CONTROL = REG_READ(PP_CONTROL);
+ regs->cdv.savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS);
+ regs->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
+ regs->saveBLC_PWM_CTL2 = REG_READ(BLC_PWM_CTL2);
+ regs->cdv.saveLVDS = REG_READ(LVDS);
+
+ regs->cdv.savePFIT_CONTROL = REG_READ(PFIT_CONTROL);
+
+ regs->cdv.savePP_ON_DELAYS = REG_READ(PP_ON_DELAYS);
+ regs->cdv.savePP_OFF_DELAYS = REG_READ(PP_OFF_DELAYS);
+ regs->cdv.savePP_CYCLE = REG_READ(PP_CYCLE);
+
+ regs->cdv.saveVGACNTRL = REG_READ(VGACNTRL);
+
+ regs->cdv.saveIER = REG_READ(PSB_INT_ENABLE_R);
+ regs->cdv.saveIMR = REG_READ(PSB_INT_MASK_R);
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter)
+ connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF);
+ drm_connector_list_iter_end(&conn_iter);
+
+ return 0;
+}
+
+/**
+ * cdv_restore_display_registers - restore lost register state
+ * @dev: our DRM device
+ *
+ * Restore register state that was lost during suspend and resume.
+ *
+ * FIXME: review
+ */
+static int cdv_restore_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+ struct psb_save_area *regs = &dev_priv->regs;
+ struct drm_connector_list_iter conn_iter;
+ struct drm_connector *connector;
+ u32 temp;
+
+ pci_write_config_byte(pdev, 0xF4, regs->cdv.saveLBB);
+
+ REG_WRITE(DSPCLK_GATE_D, regs->cdv.saveDSPCLK_GATE_D);
+ REG_WRITE(RAMCLK_GATE_D, regs->cdv.saveRAMCLK_GATE_D);
+
+ /* BIOS does below anyway */
+ REG_WRITE(DPIO_CFG, 0);
+ REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N);
+
+ temp = REG_READ(DPLL_A);
+ if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
+ REG_WRITE(DPLL_A, temp | DPLL_SYNCLOCK_ENABLE);
+ REG_READ(DPLL_A);
+ }
+
+ temp = REG_READ(DPLL_B);
+ if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
+ REG_WRITE(DPLL_B, temp | DPLL_SYNCLOCK_ENABLE);
+ REG_READ(DPLL_B);
+ }
+
+ udelay(500);
+
+ REG_WRITE(DSPFW1, regs->cdv.saveDSPFW[0]);
+ REG_WRITE(DSPFW2, regs->cdv.saveDSPFW[1]);
+ REG_WRITE(DSPFW3, regs->cdv.saveDSPFW[2]);
+ REG_WRITE(DSPFW4, regs->cdv.saveDSPFW[3]);
+ REG_WRITE(DSPFW5, regs->cdv.saveDSPFW[4]);
+ REG_WRITE(DSPFW6, regs->cdv.saveDSPFW[5]);
+
+ REG_WRITE(DSPARB, regs->cdv.saveDSPARB);
+ REG_WRITE(ADPA, regs->cdv.saveADPA);
+
+ REG_WRITE(BLC_PWM_CTL2, regs->saveBLC_PWM_CTL2);
+ REG_WRITE(LVDS, regs->cdv.saveLVDS);
+ REG_WRITE(PFIT_CONTROL, regs->cdv.savePFIT_CONTROL);
+ REG_WRITE(PFIT_PGM_RATIOS, regs->cdv.savePFIT_PGM_RATIOS);
+ REG_WRITE(BLC_PWM_CTL, regs->saveBLC_PWM_CTL);
+ REG_WRITE(PP_ON_DELAYS, regs->cdv.savePP_ON_DELAYS);
+ REG_WRITE(PP_OFF_DELAYS, regs->cdv.savePP_OFF_DELAYS);
+ REG_WRITE(PP_CYCLE, regs->cdv.savePP_CYCLE);
+ REG_WRITE(PP_CONTROL, regs->cdv.savePP_CONTROL);
+
+ REG_WRITE(VGACNTRL, regs->cdv.saveVGACNTRL);
+
+ REG_WRITE(PSB_INT_ENABLE_R, regs->cdv.saveIER);
+ REG_WRITE(PSB_INT_MASK_R, regs->cdv.saveIMR);
+
+ /* Fix arbitration bug */
+ cdv_errata(dev);
+
+ drm_mode_config_reset(dev);
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter)
+ connector->funcs->dpms(connector, DRM_MODE_DPMS_ON);
+ drm_connector_list_iter_end(&conn_iter);
+
+ /* Resume the modeset for every activated CRTC */
+ drm_helper_resume_force_mode(dev);
+ return 0;
+}
+
+static int cdv_power_down(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ u32 pwr_cnt, pwr_mask, pwr_sts;
+ int tries = 5;
+
+ pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
+ pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
+ pwr_cnt |= PSB_PWRGT_GFX_OFF;
+ pwr_mask = PSB_PWRGT_GFX_MASK;
+
+ outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
+
+ while (tries--) {
+ pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
+ if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D3)
+ return 0;
+ udelay(10);
+ }
+ return 0;
+}
+
+static int cdv_power_up(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ u32 pwr_cnt, pwr_mask, pwr_sts;
+ int tries = 5;
+
+ pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
+ pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
+ pwr_cnt |= PSB_PWRGT_GFX_ON;
+ pwr_mask = PSB_PWRGT_GFX_MASK;
+
+ outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
+
+ while (tries--) {
+ pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
+ if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D0)
+ return 0;
+ udelay(10);
+ }
+ return 0;
+}
+
+static void cdv_hotplug_work_func(struct work_struct *work)
+{
+ struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private,
+ hotplug_work);
+ struct drm_device *dev = &dev_priv->dev;
+
+ /* Just fire off a uevent and let userspace tell us what to do */
+ drm_helper_hpd_irq_event(dev);
+}
+
+/* The core driver has received a hotplug IRQ. We are in IRQ context
+ so extract the needed information and kick off queued processing */
+
+static int cdv_hotplug_event(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ schedule_work(&dev_priv->hotplug_work);
+ REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
+ return 1;
+}
+
+static void cdv_hotplug_enable(struct drm_device *dev, bool on)
+{
+ if (on) {
+ u32 hotplug = REG_READ(PORT_HOTPLUG_EN);
+ hotplug |= HDMIB_HOTPLUG_INT_EN | HDMIC_HOTPLUG_INT_EN |
+ HDMID_HOTPLUG_INT_EN | CRT_HOTPLUG_INT_EN;
+ REG_WRITE(PORT_HOTPLUG_EN, hotplug);
+ } else {
+ REG_WRITE(PORT_HOTPLUG_EN, 0);
+ REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
+ }
+}
+
+static const char *force_audio_names[] = {
+ "off",
+ "auto",
+ "on",
+};
+
+void cdv_intel_attach_force_audio_property(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ struct drm_property *prop;
+ int i;
+
+ prop = dev_priv->force_audio_property;
+ if (prop == NULL) {
+ prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
+ "audio",
+ ARRAY_SIZE(force_audio_names));
+ if (prop == NULL)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(force_audio_names); i++)
+ drm_property_add_enum(prop, i-1, force_audio_names[i]);
+
+ dev_priv->force_audio_property = prop;
+ }
+ drm_object_attach_property(&connector->base, prop, 0);
+}
+
+
+static const char *broadcast_rgb_names[] = {
+ "Full",
+ "Limited 16:235",
+};
+
+void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ struct drm_property *prop;
+ int i;
+
+ prop = dev_priv->broadcast_rgb_property;
+ if (prop == NULL) {
+ prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
+ "Broadcast RGB",
+ ARRAY_SIZE(broadcast_rgb_names));
+ if (prop == NULL)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(broadcast_rgb_names); i++)
+ drm_property_add_enum(prop, i, broadcast_rgb_names[i]);
+
+ dev_priv->broadcast_rgb_property = prop;
+ }
+
+ drm_object_attach_property(&connector->base, prop, 0);
+}
+
+/* Cedarview */
+static const struct psb_offset cdv_regmap[2] = {
+ {
+ .fp0 = FPA0,
+ .fp1 = FPA1,
+ .cntr = DSPACNTR,
+ .conf = PIPEACONF,
+ .src = PIPEASRC,
+ .dpll = DPLL_A,
+ .dpll_md = DPLL_A_MD,
+ .htotal = HTOTAL_A,
+ .hblank = HBLANK_A,
+ .hsync = HSYNC_A,
+ .vtotal = VTOTAL_A,
+ .vblank = VBLANK_A,
+ .vsync = VSYNC_A,
+ .stride = DSPASTRIDE,
+ .size = DSPASIZE,
+ .pos = DSPAPOS,
+ .base = DSPABASE,
+ .surf = DSPASURF,
+ .addr = DSPABASE,
+ .status = PIPEASTAT,
+ .linoff = DSPALINOFF,
+ .tileoff = DSPATILEOFF,
+ .palette = PALETTE_A,
+ },
+ {
+ .fp0 = FPB0,
+ .fp1 = FPB1,
+ .cntr = DSPBCNTR,
+ .conf = PIPEBCONF,
+ .src = PIPEBSRC,
+ .dpll = DPLL_B,
+ .dpll_md = DPLL_B_MD,
+ .htotal = HTOTAL_B,
+ .hblank = HBLANK_B,
+ .hsync = HSYNC_B,
+ .vtotal = VTOTAL_B,
+ .vblank = VBLANK_B,
+ .vsync = VSYNC_B,
+ .stride = DSPBSTRIDE,
+ .size = DSPBSIZE,
+ .pos = DSPBPOS,
+ .base = DSPBBASE,
+ .surf = DSPBSURF,
+ .addr = DSPBBASE,
+ .status = PIPEBSTAT,
+ .linoff = DSPBLINOFF,
+ .tileoff = DSPBTILEOFF,
+ .palette = PALETTE_B,
+ }
+};
+
+static int cdv_chip_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+ INIT_WORK(&dev_priv->hotplug_work, cdv_hotplug_work_func);
+
+ dev_priv->use_msi = true;
+ dev_priv->regmap = cdv_regmap;
+ gma_get_core_freq(dev);
+ psb_intel_opregion_init(dev);
+ psb_intel_init_bios(dev);
+ cdv_hotplug_enable(dev, false);
+ return 0;
+}
+
+/* CDV is much like Poulsbo but has MID like SGX offsets and PM */
+
+const struct psb_ops cdv_chip_ops = {
+ .name = "GMA3600/3650",
+ .pipes = 2,
+ .crtcs = 2,
+ .hdmi_mask = (1 << 0) | (1 << 1),
+ .lvds_mask = (1 << 1),
+ .sdvo_mask = (1 << 0),
+ .cursor_needs_phys = 0,
+ .sgx_offset = MRST_SGX_OFFSET,
+ .chip_setup = cdv_chip_setup,
+ .errata = cdv_errata,
+
+ .crtc_helper = &cdv_intel_helper_funcs,
+ .clock_funcs = &cdv_clock_funcs,
+
+ .output_init = cdv_output_init,
+ .hotplug = cdv_hotplug_event,
+ .hotplug_enable = cdv_hotplug_enable,
+
+ .backlight_init = cdv_backlight_init,
+ .backlight_get = cdv_get_brightness,
+ .backlight_set = cdv_set_brightness,
+ .backlight_name = "psb-bl",
+
+ .init_pm = cdv_init_pm,
+ .save_regs = cdv_save_display_registers,
+ .restore_regs = cdv_restore_display_registers,
+ .save_crtc = gma_crtc_save,
+ .restore_crtc = gma_crtc_restore,
+ .power_down = cdv_power_down,
+ .power_up = cdv_power_up,
+ .update_wm = cdv_update_wm,
+ .disable_sr = cdv_disable_sr,
+};