// SPDX-License-Identifier: GPL-2.0-only /************************************************************************** * Copyright (c) 2011, Intel Corporation. * All Rights Reserved. * **************************************************************************/ #include <drm/drm.h> #include <drm/drm_crtc_helper.h> #include "gma_device.h" #include "intel_bios.h" #include "psb_device.h" #include "psb_drv.h" #include "psb_intel_reg.h" #include "psb_reg.h" static int psb_output_init(struct drm_device *dev) { … } /* * Poulsbo Backlight Interfaces */ #define BLC_PWM_PRECISION_FACTOR … #define BLC_PWM_FREQ_CALC_CONSTANT … #define MHz … #define PSB_BLC_PWM_PRECISION_FACTOR … #define PSB_BLC_MAX_PWM_REG_FREQ … #define PSB_BLC_MIN_PWM_REG_FREQ … #define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR … #define PSB_BACKLIGHT_PWM_CTL_SHIFT … static int psb_backlight_setup(struct drm_device *dev) { … } /* * Provide the Poulsbo specific chip logic and low level methods * for power management */ static void psb_init_pm(struct drm_device *dev) { … } /** * psb_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 psb_save_display_registers(struct drm_device *dev) { … } /** * psb_restore_display_registers - restore lost register state * @dev: our DRM device * * Restore register state that was lost during suspend and resume. */ static int psb_restore_display_registers(struct drm_device *dev) { … } static int psb_power_down(struct drm_device *dev) { … } static int psb_power_up(struct drm_device *dev) { … } /* Poulsbo */ static const struct psb_offset psb_regmap[2] = …; static int psb_chip_setup(struct drm_device *dev) { … } static void psb_chip_teardown(struct drm_device *dev) { … } const struct psb_ops psb_chip_ops = …;
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