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* Copyright (c) 2009, Intel Corporation.
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef __INTEL_DRV_H__
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#define __INTEL_DRV_H__
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_crtc_helper.h>
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#include <linux/gpio.h>
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#define DELAY_TIME1 2000 /* 1000 = 1ms */
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* Display related stuff
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/* store information about an Ixxx DVO */
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/* The i830->i865 use multiple DVOs with multiple i2cs */
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/* the i915, i945 have a single sDVO i2c bus - which is different */
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/* maximum connectors per crtcs in the mode set */
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#define INTELFB_CONN_LIMIT 4
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#define INTEL_I2C_BUS_DVO 1
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#define INTEL_I2C_BUS_SDVO 2
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/* these are outputs from the chip - integrated only
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* external chips are via DVO or SDVO output */
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#define INTEL_OUTPUT_UNUSED 0
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#define INTEL_OUTPUT_ANALOG 1
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#define INTEL_OUTPUT_DVO 2
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#define INTEL_OUTPUT_SDVO 3
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#define INTEL_OUTPUT_LVDS 4
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#define INTEL_OUTPUT_TVOUT 5
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#define INTEL_OUTPUT_HDMI 6
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#define INTEL_OUTPUT_MIPI 7
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#define INTEL_OUTPUT_MIPI2 8
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#define INTEL_DVO_CHIP_NONE 0
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#define INTEL_DVO_CHIP_LVDS 1
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#define INTEL_DVO_CHIP_TMDS 2
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#define INTEL_DVO_CHIP_TVOUT 4
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enum mipi_panel_type {
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* Hold information useally put on the device driver privates here,
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* since it needs to be shared across multiple of devices drivers privates.
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struct psb_intel_mode_device {
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* Abstracted memory manager operations
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size_t(*bo_offset) (struct drm_device *dev, void *bo);
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int cursor_needs_physical;
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int backlight_duty_cycle; /* restore backlight to this value */
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bool panel_wants_dither;
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struct drm_display_mode *panel_fixed_mode;
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struct drm_display_mode *panel_fixed_mode2;
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struct drm_display_mode *vbt_mode; /* if any */
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uint32_t saveBLC_PWM_CTL;
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struct psb_intel_i2c_chan {
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/* for getting at dev. private (mmio etc.) */
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struct drm_device *drm_dev;
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u32 reg; /* GPIO reg */
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struct i2c_adapter adapter;
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struct i2c_algo_bit_data algo;
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struct psb_intel_output {
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struct drm_connector base;
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struct drm_encoder enc;
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struct psb_intel_i2c_chan *i2c_bus; /* for control functions */
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struct psb_intel_i2c_chan *ddc_bus; /* for DDC only stuff */
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bool load_detect_temp;
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struct psb_intel_mode_device *mode_dev;
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struct psb_intel_crtc_state {
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uint32_t saveDSPCNTR;
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uint32_t savePIPECONF;
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uint32_t savePIPESRC;
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uint32_t saveDSPSTRIDE;
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uint32_t saveDSPSIZE;
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uint32_t saveDSPBASE;
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uint32_t savePalette[256];
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struct psb_intel_crtc {
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struct drm_crtc base;
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uint32_t cursor_addr;
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u8 lut_r[256], lut_g[256], lut_b[256];
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struct psb_intel_framebuffer *fbdev_fb;
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/* a mode_set for fbdev users on this crtc */
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struct drm_mode_set mode_set;
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/* GEM object that holds our cursor */
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struct drm_gem_object *cursor_obj;
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struct drm_display_mode saved_mode;
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struct drm_display_mode saved_adjusted_mode;
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struct psb_intel_mode_device *mode_dev;
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/*crtc mode setting flags*/
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/* Saved Crtc HW states */
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struct psb_intel_crtc_state *crtc_state;
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#define to_psb_intel_crtc(x) \
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container_of(x, struct psb_intel_crtc, base)
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#define to_psb_intel_output(x) \
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container_of(x, struct psb_intel_output, base)
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#define enc_to_psb_intel_output(x) \
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container_of(x, struct psb_intel_output, enc)
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#define to_psb_intel_framebuffer(x) \
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container_of(x, struct psb_intel_framebuffer, base)
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struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
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const u32 reg, const char *name);
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void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
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int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output);
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extern bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output);
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extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
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struct psb_intel_mode_device *mode_dev);
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extern void psb_intel_crt_init(struct drm_device *dev);
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extern void psb_intel_sdvo_init(struct drm_device *dev, int output_device);
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extern void psb_intel_dvo_init(struct drm_device *dev);
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extern void psb_intel_tv_init(struct drm_device *dev);
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extern void psb_intel_lvds_init(struct drm_device *dev,
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struct psb_intel_mode_device *mode_dev);
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extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
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extern void mrst_lvds_init(struct drm_device *dev,
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struct psb_intel_mode_device *mode_dev);
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extern void mrst_wait_for_INTR_PKT_SENT(struct drm_device *dev);
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extern void mrst_dsi_init(struct drm_device *dev,
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struct psb_intel_mode_device *mode_dev);
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extern void mid_dsi_init(struct drm_device *dev,
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struct psb_intel_mode_device *mode_dev, int dsi_num);
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extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc);
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extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
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extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
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extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector
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extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
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struct drm_crtc *crtc);
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extern void psb_intel_wait_for_vblank(struct drm_device *dev);
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extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
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extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
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extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
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extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
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extern int intelfb_probe(struct drm_device *dev);
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extern int intelfb_remove(struct drm_device *dev,
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struct drm_framebuffer *fb);
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extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device
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extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
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struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode);
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extern int psb_intel_lvds_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode);
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extern int psb_intel_lvds_set_property(struct drm_connector *connector,
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struct drm_property *property,
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extern void psb_intel_lvds_destroy(struct drm_connector *connector);
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extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
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#endif /* __INTEL_DRV_H__ */