mirror of https://gitee.com/openkylin/linux.git
510 lines
15 KiB
C
510 lines
15 KiB
C
/**************************************************************************
|
|
* Copyright (c) 2011, Intel Corporation.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
**************************************************************************/
|
|
|
|
#include <linux/backlight.h>
|
|
#include <linux/module.h>
|
|
#include <linux/dmi.h>
|
|
#include <drm/drmP.h>
|
|
#include <drm/drm.h>
|
|
#include "gma_drm.h"
|
|
#include "psb_drv.h"
|
|
#include "psb_reg.h"
|
|
#include "psb_intel_reg.h"
|
|
#include <asm/mrst.h>
|
|
#include <asm/intel_scu_ipc.h>
|
|
#include "mid_bios.h"
|
|
#include "intel_bios.h"
|
|
|
|
static int oaktrail_output_init(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
if (dev_priv->iLVDS_enable)
|
|
oaktrail_lvds_init(dev, &dev_priv->mode_dev);
|
|
else
|
|
dev_err(dev->dev, "DSI is not supported\n");
|
|
if (dev_priv->hdmi_priv)
|
|
oaktrail_hdmi_init(dev, &dev_priv->mode_dev);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Provide the low level interfaces for the Moorestown backlight
|
|
*/
|
|
|
|
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
|
|
|
|
#define MRST_BLC_MAX_PWM_REG_FREQ 0xFFFF
|
|
#define BLC_PWM_PRECISION_FACTOR 100 /* 10000000 */
|
|
#define BLC_PWM_FREQ_CALC_CONSTANT 32
|
|
#define MHz 1000000
|
|
#define BLC_ADJUSTMENT_MAX 100
|
|
|
|
static struct backlight_device *oaktrail_backlight_device;
|
|
static int oaktrail_brightness;
|
|
|
|
static int oaktrail_set_brightness(struct backlight_device *bd)
|
|
{
|
|
struct drm_device *dev = bl_get_data(oaktrail_backlight_device);
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
int level = bd->props.brightness;
|
|
u32 blc_pwm_ctl;
|
|
u32 max_pwm_blc;
|
|
|
|
/* Percentage 1-100% being valid */
|
|
if (level < 1)
|
|
level = 1;
|
|
|
|
if (gma_power_begin(dev, 0)) {
|
|
/* Calculate and set the brightness value */
|
|
max_pwm_blc = REG_READ(BLC_PWM_CTL) >> 16;
|
|
blc_pwm_ctl = level * max_pwm_blc / 100;
|
|
|
|
/* Adjust the backlight level with the percent in
|
|
* dev_priv->blc_adj1;
|
|
*/
|
|
blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj1;
|
|
blc_pwm_ctl = blc_pwm_ctl / 100;
|
|
|
|
/* Adjust the backlight level with the percent in
|
|
* dev_priv->blc_adj2;
|
|
*/
|
|
blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj2;
|
|
blc_pwm_ctl = blc_pwm_ctl / 100;
|
|
|
|
/* force PWM bit on */
|
|
REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
|
|
REG_WRITE(BLC_PWM_CTL, (max_pwm_blc << 16) | blc_pwm_ctl);
|
|
gma_power_end(dev);
|
|
}
|
|
oaktrail_brightness = level;
|
|
return 0;
|
|
}
|
|
|
|
static int oaktrail_get_brightness(struct backlight_device *bd)
|
|
{
|
|
/* return locally cached var instead of HW read (due to DPST etc.) */
|
|
/* FIXME: ideally return actual value in case firmware fiddled with
|
|
it */
|
|
return oaktrail_brightness;
|
|
}
|
|
|
|
static int device_backlight_init(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
unsigned long core_clock;
|
|
u16 bl_max_freq;
|
|
uint32_t value;
|
|
uint32_t blc_pwm_precision_factor;
|
|
|
|
dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX;
|
|
dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX;
|
|
bl_max_freq = 256;
|
|
/* this needs to be set elsewhere */
|
|
blc_pwm_precision_factor = BLC_PWM_PRECISION_FACTOR;
|
|
|
|
core_clock = dev_priv->core_freq;
|
|
|
|
value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
|
|
value *= blc_pwm_precision_factor;
|
|
value /= bl_max_freq;
|
|
value /= blc_pwm_precision_factor;
|
|
|
|
if (value > (unsigned long long)MRST_BLC_MAX_PWM_REG_FREQ)
|
|
return -ERANGE;
|
|
|
|
if (gma_power_begin(dev, false)) {
|
|
REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
|
|
REG_WRITE(BLC_PWM_CTL, value | (value << 16));
|
|
gma_power_end(dev);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const struct backlight_ops oaktrail_ops = {
|
|
.get_brightness = oaktrail_get_brightness,
|
|
.update_status = oaktrail_set_brightness,
|
|
};
|
|
|
|
static int oaktrail_backlight_init(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
int ret;
|
|
struct backlight_properties props;
|
|
|
|
memset(&props, 0, sizeof(struct backlight_properties));
|
|
props.max_brightness = 100;
|
|
props.type = BACKLIGHT_PLATFORM;
|
|
|
|
oaktrail_backlight_device = backlight_device_register("oaktrail-bl",
|
|
NULL, (void *)dev, &oaktrail_ops, &props);
|
|
|
|
if (IS_ERR(oaktrail_backlight_device))
|
|
return PTR_ERR(oaktrail_backlight_device);
|
|
|
|
ret = device_backlight_init(dev);
|
|
if (ret < 0) {
|
|
backlight_device_unregister(oaktrail_backlight_device);
|
|
return ret;
|
|
}
|
|
oaktrail_backlight_device->props.brightness = 100;
|
|
oaktrail_backlight_device->props.max_brightness = 100;
|
|
backlight_update_status(oaktrail_backlight_device);
|
|
dev_priv->backlight_device = oaktrail_backlight_device;
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
/*
|
|
* Provide the Moorestown specific chip logic and low level methods
|
|
* for power management
|
|
*/
|
|
|
|
/**
|
|
* oaktrail_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 oaktrail_save_display_registers(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
struct psb_save_area *regs = &dev_priv->regs;
|
|
int i;
|
|
u32 pp_stat;
|
|
|
|
/* Display arbitration control + watermarks */
|
|
regs->psb.saveDSPARB = PSB_RVDC32(DSPARB);
|
|
regs->psb.saveDSPFW1 = PSB_RVDC32(DSPFW1);
|
|
regs->psb.saveDSPFW2 = PSB_RVDC32(DSPFW2);
|
|
regs->psb.saveDSPFW3 = PSB_RVDC32(DSPFW3);
|
|
regs->psb.saveDSPFW4 = PSB_RVDC32(DSPFW4);
|
|
regs->psb.saveDSPFW5 = PSB_RVDC32(DSPFW5);
|
|
regs->psb.saveDSPFW6 = PSB_RVDC32(DSPFW6);
|
|
regs->psb.saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
|
|
|
|
/* Pipe & plane A info */
|
|
regs->psb.savePIPEACONF = PSB_RVDC32(PIPEACONF);
|
|
regs->psb.savePIPEASRC = PSB_RVDC32(PIPEASRC);
|
|
regs->psb.saveFPA0 = PSB_RVDC32(MRST_FPA0);
|
|
regs->psb.saveFPA1 = PSB_RVDC32(MRST_FPA1);
|
|
regs->psb.saveDPLL_A = PSB_RVDC32(MRST_DPLL_A);
|
|
regs->psb.saveHTOTAL_A = PSB_RVDC32(HTOTAL_A);
|
|
regs->psb.saveHBLANK_A = PSB_RVDC32(HBLANK_A);
|
|
regs->psb.saveHSYNC_A = PSB_RVDC32(HSYNC_A);
|
|
regs->psb.saveVTOTAL_A = PSB_RVDC32(VTOTAL_A);
|
|
regs->psb.saveVBLANK_A = PSB_RVDC32(VBLANK_A);
|
|
regs->psb.saveVSYNC_A = PSB_RVDC32(VSYNC_A);
|
|
regs->psb.saveBCLRPAT_A = PSB_RVDC32(BCLRPAT_A);
|
|
regs->psb.saveDSPACNTR = PSB_RVDC32(DSPACNTR);
|
|
regs->psb.saveDSPASTRIDE = PSB_RVDC32(DSPASTRIDE);
|
|
regs->psb.saveDSPAADDR = PSB_RVDC32(DSPABASE);
|
|
regs->psb.saveDSPASURF = PSB_RVDC32(DSPASURF);
|
|
regs->psb.saveDSPALINOFF = PSB_RVDC32(DSPALINOFF);
|
|
regs->psb.saveDSPATILEOFF = PSB_RVDC32(DSPATILEOFF);
|
|
|
|
/* Save cursor regs */
|
|
regs->psb.saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
|
|
regs->psb.saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
|
|
regs->psb.saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
|
|
|
|
/* Save palette (gamma) */
|
|
for (i = 0; i < 256; i++)
|
|
regs->psb.save_palette_a[i] = PSB_RVDC32(PALETTE_A + (i << 2));
|
|
|
|
if (dev_priv->hdmi_priv)
|
|
oaktrail_hdmi_save(dev);
|
|
|
|
/* Save performance state */
|
|
regs->psb.savePERF_MODE = PSB_RVDC32(MRST_PERF_MODE);
|
|
|
|
/* LVDS state */
|
|
regs->psb.savePP_CONTROL = PSB_RVDC32(PP_CONTROL);
|
|
regs->psb.savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
|
|
regs->psb.savePFIT_AUTO_RATIOS = PSB_RVDC32(PFIT_AUTO_RATIOS);
|
|
regs->saveBLC_PWM_CTL = PSB_RVDC32(BLC_PWM_CTL);
|
|
regs->saveBLC_PWM_CTL2 = PSB_RVDC32(BLC_PWM_CTL2);
|
|
regs->psb.saveLVDS = PSB_RVDC32(LVDS);
|
|
regs->psb.savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
|
|
regs->psb.savePP_ON_DELAYS = PSB_RVDC32(LVDSPP_ON);
|
|
regs->psb.savePP_OFF_DELAYS = PSB_RVDC32(LVDSPP_OFF);
|
|
regs->psb.savePP_DIVISOR = PSB_RVDC32(PP_CYCLE);
|
|
|
|
/* HW overlay */
|
|
regs->psb.saveOV_OVADD = PSB_RVDC32(OV_OVADD);
|
|
regs->psb.saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
|
|
regs->psb.saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
|
|
regs->psb.saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
|
|
regs->psb.saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
|
|
regs->psb.saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
|
|
regs->psb.saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
|
|
|
|
/* DPST registers */
|
|
regs->psb.saveHISTOGRAM_INT_CONTROL_REG =
|
|
PSB_RVDC32(HISTOGRAM_INT_CONTROL);
|
|
regs->psb.saveHISTOGRAM_LOGIC_CONTROL_REG =
|
|
PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
|
|
regs->psb.savePWM_CONTROL_LOGIC = PSB_RVDC32(PWM_CONTROL_LOGIC);
|
|
|
|
if (dev_priv->iLVDS_enable) {
|
|
/* Shut down the panel */
|
|
PSB_WVDC32(0, PP_CONTROL);
|
|
|
|
do {
|
|
pp_stat = PSB_RVDC32(PP_STATUS);
|
|
} while (pp_stat & 0x80000000);
|
|
|
|
/* Turn off the plane */
|
|
PSB_WVDC32(0x58000000, DSPACNTR);
|
|
/* Trigger the plane disable */
|
|
PSB_WVDC32(0, DSPASURF);
|
|
|
|
/* Wait ~4 ticks */
|
|
msleep(4);
|
|
|
|
/* Turn off pipe */
|
|
PSB_WVDC32(0x0, PIPEACONF);
|
|
/* Wait ~8 ticks */
|
|
msleep(8);
|
|
|
|
/* Turn off PLLs */
|
|
PSB_WVDC32(0, MRST_DPLL_A);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* oaktrail_restore_display_registers - restore lost register state
|
|
* @dev: our DRM device
|
|
*
|
|
* Restore register state that was lost during suspend and resume.
|
|
*/
|
|
static int oaktrail_restore_display_registers(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
struct psb_save_area *regs = &dev_priv->regs;
|
|
u32 pp_stat;
|
|
int i;
|
|
|
|
/* Display arbitration + watermarks */
|
|
PSB_WVDC32(regs->psb.saveDSPARB, DSPARB);
|
|
PSB_WVDC32(regs->psb.saveDSPFW1, DSPFW1);
|
|
PSB_WVDC32(regs->psb.saveDSPFW2, DSPFW2);
|
|
PSB_WVDC32(regs->psb.saveDSPFW3, DSPFW3);
|
|
PSB_WVDC32(regs->psb.saveDSPFW4, DSPFW4);
|
|
PSB_WVDC32(regs->psb.saveDSPFW5, DSPFW5);
|
|
PSB_WVDC32(regs->psb.saveDSPFW6, DSPFW6);
|
|
PSB_WVDC32(regs->psb.saveCHICKENBIT, DSPCHICKENBIT);
|
|
|
|
/* Make sure VGA plane is off. it initializes to on after reset!*/
|
|
PSB_WVDC32(0x80000000, VGACNTRL);
|
|
|
|
/* set the plls */
|
|
PSB_WVDC32(regs->psb.saveFPA0, MRST_FPA0);
|
|
PSB_WVDC32(regs->psb.saveFPA1, MRST_FPA1);
|
|
|
|
/* Actually enable it */
|
|
PSB_WVDC32(regs->psb.saveDPLL_A, MRST_DPLL_A);
|
|
DRM_UDELAY(150);
|
|
|
|
/* Restore mode */
|
|
PSB_WVDC32(regs->psb.saveHTOTAL_A, HTOTAL_A);
|
|
PSB_WVDC32(regs->psb.saveHBLANK_A, HBLANK_A);
|
|
PSB_WVDC32(regs->psb.saveHSYNC_A, HSYNC_A);
|
|
PSB_WVDC32(regs->psb.saveVTOTAL_A, VTOTAL_A);
|
|
PSB_WVDC32(regs->psb.saveVBLANK_A, VBLANK_A);
|
|
PSB_WVDC32(regs->psb.saveVSYNC_A, VSYNC_A);
|
|
PSB_WVDC32(regs->psb.savePIPEASRC, PIPEASRC);
|
|
PSB_WVDC32(regs->psb.saveBCLRPAT_A, BCLRPAT_A);
|
|
|
|
/* Restore performance mode*/
|
|
PSB_WVDC32(regs->psb.savePERF_MODE, MRST_PERF_MODE);
|
|
|
|
/* Enable the pipe*/
|
|
if (dev_priv->iLVDS_enable)
|
|
PSB_WVDC32(regs->psb.savePIPEACONF, PIPEACONF);
|
|
|
|
/* Set up the plane*/
|
|
PSB_WVDC32(regs->psb.saveDSPALINOFF, DSPALINOFF);
|
|
PSB_WVDC32(regs->psb.saveDSPASTRIDE, DSPASTRIDE);
|
|
PSB_WVDC32(regs->psb.saveDSPATILEOFF, DSPATILEOFF);
|
|
|
|
/* Enable the plane */
|
|
PSB_WVDC32(regs->psb.saveDSPACNTR, DSPACNTR);
|
|
PSB_WVDC32(regs->psb.saveDSPASURF, DSPASURF);
|
|
|
|
/* Enable Cursor A */
|
|
PSB_WVDC32(regs->psb.saveDSPACURSOR_CTRL, CURACNTR);
|
|
PSB_WVDC32(regs->psb.saveDSPACURSOR_POS, CURAPOS);
|
|
PSB_WVDC32(regs->psb.saveDSPACURSOR_BASE, CURABASE);
|
|
|
|
/* Restore palette (gamma) */
|
|
for (i = 0; i < 256; i++)
|
|
PSB_WVDC32(regs->psb.save_palette_a[i], PALETTE_A + (i << 2));
|
|
|
|
if (dev_priv->hdmi_priv)
|
|
oaktrail_hdmi_restore(dev);
|
|
|
|
if (dev_priv->iLVDS_enable) {
|
|
PSB_WVDC32(regs->saveBLC_PWM_CTL2, BLC_PWM_CTL2);
|
|
PSB_WVDC32(regs->psb.saveLVDS, LVDS); /*port 61180h*/
|
|
PSB_WVDC32(regs->psb.savePFIT_CONTROL, PFIT_CONTROL);
|
|
PSB_WVDC32(regs->psb.savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
|
|
PSB_WVDC32(regs->psb.savePFIT_AUTO_RATIOS, PFIT_AUTO_RATIOS);
|
|
PSB_WVDC32(regs->saveBLC_PWM_CTL, BLC_PWM_CTL);
|
|
PSB_WVDC32(regs->psb.savePP_ON_DELAYS, LVDSPP_ON);
|
|
PSB_WVDC32(regs->psb.savePP_OFF_DELAYS, LVDSPP_OFF);
|
|
PSB_WVDC32(regs->psb.savePP_DIVISOR, PP_CYCLE);
|
|
PSB_WVDC32(regs->psb.savePP_CONTROL, PP_CONTROL);
|
|
}
|
|
|
|
/* Wait for cycle delay */
|
|
do {
|
|
pp_stat = PSB_RVDC32(PP_STATUS);
|
|
} while (pp_stat & 0x08000000);
|
|
|
|
/* Wait for panel power up */
|
|
do {
|
|
pp_stat = PSB_RVDC32(PP_STATUS);
|
|
} while (pp_stat & 0x10000000);
|
|
|
|
/* Restore HW overlay */
|
|
PSB_WVDC32(regs->psb.saveOV_OVADD, OV_OVADD);
|
|
PSB_WVDC32(regs->psb.saveOV_OGAMC0, OV_OGAMC0);
|
|
PSB_WVDC32(regs->psb.saveOV_OGAMC1, OV_OGAMC1);
|
|
PSB_WVDC32(regs->psb.saveOV_OGAMC2, OV_OGAMC2);
|
|
PSB_WVDC32(regs->psb.saveOV_OGAMC3, OV_OGAMC3);
|
|
PSB_WVDC32(regs->psb.saveOV_OGAMC4, OV_OGAMC4);
|
|
PSB_WVDC32(regs->psb.saveOV_OGAMC5, OV_OGAMC5);
|
|
|
|
/* DPST registers */
|
|
PSB_WVDC32(regs->psb.saveHISTOGRAM_INT_CONTROL_REG,
|
|
HISTOGRAM_INT_CONTROL);
|
|
PSB_WVDC32(regs->psb.saveHISTOGRAM_LOGIC_CONTROL_REG,
|
|
HISTOGRAM_LOGIC_CONTROL);
|
|
PSB_WVDC32(regs->psb.savePWM_CONTROL_LOGIC, PWM_CONTROL_LOGIC);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* oaktrail_power_down - power down the display island
|
|
* @dev: our DRM device
|
|
*
|
|
* Power down the display interface of our device
|
|
*/
|
|
static int oaktrail_power_down(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
u32 pwr_mask ;
|
|
u32 pwr_sts;
|
|
|
|
pwr_mask = PSB_PWRGT_DISPLAY_MASK;
|
|
outl(pwr_mask, dev_priv->ospm_base + PSB_PM_SSC);
|
|
|
|
while (true) {
|
|
pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
|
|
if ((pwr_sts & pwr_mask) == pwr_mask)
|
|
break;
|
|
else
|
|
udelay(10);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* oaktrail_power_up
|
|
*
|
|
* Restore power to the specified island(s) (powergating)
|
|
*/
|
|
static int oaktrail_power_up(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
u32 pwr_mask = PSB_PWRGT_DISPLAY_MASK;
|
|
u32 pwr_sts, pwr_cnt;
|
|
|
|
pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
|
|
pwr_cnt &= ~pwr_mask;
|
|
outl(pwr_cnt, (dev_priv->ospm_base + PSB_PM_SSC));
|
|
|
|
while (true) {
|
|
pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
|
|
if ((pwr_sts & pwr_mask) == 0)
|
|
break;
|
|
else
|
|
udelay(10);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int oaktrail_chip_setup(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
struct oaktrail_vbt *vbt = &dev_priv->vbt_data;
|
|
int ret;
|
|
|
|
ret = mid_chip_setup(dev);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (vbt->size == 0) {
|
|
/* Now pull the BIOS data */
|
|
gma_intel_opregion_init(dev);
|
|
psb_intel_init_bios(dev);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void oaktrail_teardown(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
struct oaktrail_vbt *vbt = &dev_priv->vbt_data;
|
|
|
|
oaktrail_hdmi_teardown(dev);
|
|
if (vbt->size == 0)
|
|
psb_intel_destroy_bios(dev);
|
|
}
|
|
|
|
const struct psb_ops oaktrail_chip_ops = {
|
|
.name = "Oaktrail",
|
|
.accel_2d = 1,
|
|
.pipes = 2,
|
|
.crtcs = 2,
|
|
.sgx_offset = MRST_SGX_OFFSET,
|
|
|
|
.chip_setup = oaktrail_chip_setup,
|
|
.chip_teardown = oaktrail_teardown,
|
|
.crtc_helper = &oaktrail_helper_funcs,
|
|
.crtc_funcs = &psb_intel_crtc_funcs,
|
|
|
|
.output_init = oaktrail_output_init,
|
|
|
|
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
|
|
.backlight_init = oaktrail_backlight_init,
|
|
#endif
|
|
|
|
.save_regs = oaktrail_save_display_registers,
|
|
.restore_regs = oaktrail_restore_display_registers,
|
|
.power_down = oaktrail_power_down,
|
|
.power_up = oaktrail_power_up,
|
|
|
|
.i2c_bus = 1,
|
|
};
|