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linux_dsm_epyc7002/drivers/gpu/drm/i915/intel_drv.h
Zhenyu Wang 335af9a235 drm/i915: change intel_ddc_get_modes() function parameters 
This one replaces original param for intel_ddc_get_modes() with
DRM connector and i2c bus adapter instead. With explicit params,
we won't require that a single driver structure must hold connector
and DDC bus reference, which ease the conversion to splitted encoder/
connector model.

It also clears up for some cases that we would steal other DDC bus
for mode probe, like VGA analog DDC probe for DVI-I. Also it fixed
a bug in old DVI-I probe handling, that failed to restore origin
analog GPIO port.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
2010-04-09 14:17:31 -07:00

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/*
* Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
* Copyright (c) 2007-2008 Intel Corporation
* Jesse Barnes <jesse.barnes@intel.com>
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#ifndef __INTEL_DRV_H__
#define __INTEL_DRV_H__
#include <linux/i2c.h>
#include <linux/i2c-id.h>
#include <linux/i2c-algo-bit.h>
#include "i915_drv.h"
#include "drm_crtc.h"
#include "drm_crtc_helper.h"
/*
* Display related stuff
*/
/* store information about an Ixxx DVO */
/* The i830->i865 use multiple DVOs with multiple i2cs */
/* the i915, i945 have a single sDVO i2c bus - which is different */
#define MAX_OUTPUTS 6
/* maximum connectors per crtcs in the mode set */
#define INTELFB_CONN_LIMIT 4
#define INTEL_I2C_BUS_DVO 1
#define INTEL_I2C_BUS_SDVO 2
/* these are outputs from the chip - integrated only
external chips are via DVO or SDVO output */
#define INTEL_OUTPUT_UNUSED 0
#define INTEL_OUTPUT_ANALOG 1
#define INTEL_OUTPUT_DVO 2
#define INTEL_OUTPUT_SDVO 3
#define INTEL_OUTPUT_LVDS 4
#define INTEL_OUTPUT_TVOUT 5
#define INTEL_OUTPUT_HDMI 6
#define INTEL_OUTPUT_DISPLAYPORT 7
#define INTEL_OUTPUT_EDP 8
/* Intel Pipe Clone Bit */
#define INTEL_HDMIB_CLONE_BIT 1
#define INTEL_HDMIC_CLONE_BIT 2
#define INTEL_HDMID_CLONE_BIT 3
#define INTEL_HDMIE_CLONE_BIT 4
#define INTEL_HDMIF_CLONE_BIT 5
#define INTEL_SDVO_NON_TV_CLONE_BIT 6
#define INTEL_SDVO_TV_CLONE_BIT 7
#define INTEL_SDVO_LVDS_CLONE_BIT 8
#define INTEL_ANALOG_CLONE_BIT 9
#define INTEL_TV_CLONE_BIT 10
#define INTEL_DP_B_CLONE_BIT 11
#define INTEL_DP_C_CLONE_BIT 12
#define INTEL_DP_D_CLONE_BIT 13
#define INTEL_LVDS_CLONE_BIT 14
#define INTEL_DVO_TMDS_CLONE_BIT 15
#define INTEL_DVO_LVDS_CLONE_BIT 16
#define INTEL_EDP_CLONE_BIT 17
#define INTEL_DVO_CHIP_NONE 0
#define INTEL_DVO_CHIP_LVDS 1
#define INTEL_DVO_CHIP_TMDS 2
#define INTEL_DVO_CHIP_TVOUT 4
struct intel_i2c_chan {
struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */
u32 reg; /* GPIO reg */
struct i2c_adapter adapter;
struct i2c_algo_bit_data algo;
};
struct intel_framebuffer {
struct drm_framebuffer base;
struct drm_gem_object *obj;
};
struct intel_encoder {
struct drm_connector base;
struct drm_encoder enc;
int type;
struct i2c_adapter *i2c_bus;
struct i2c_adapter *ddc_bus;
bool load_detect_temp;
bool needs_tv_clock;
void *dev_priv;
void (*hot_plug)(struct intel_encoder *);
int crtc_mask;
int clone_mask;
};
struct intel_connector {
struct drm_connector base;
void *dev_priv;
};
struct intel_crtc;
struct intel_overlay {
struct drm_device *dev;
struct intel_crtc *crtc;
struct drm_i915_gem_object *vid_bo;
struct drm_i915_gem_object *old_vid_bo;
int active;
int pfit_active;
u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
u32 color_key;
u32 brightness, contrast, saturation;
u32 old_xscale, old_yscale;
/* register access */
u32 flip_addr;
struct drm_i915_gem_object *reg_bo;
void *virt_addr;
/* flip handling */
uint32_t last_flip_req;
int hw_wedged;
#define HW_WEDGED 1
#define NEEDS_WAIT_FOR_FLIP 2
#define RELEASE_OLD_VID 3
#define SWITCH_OFF_STAGE_1 4
#define SWITCH_OFF_STAGE_2 5
};
struct intel_crtc {
struct drm_crtc base;
enum pipe pipe;
enum plane plane;
struct drm_gem_object *cursor_bo;
uint32_t cursor_addr;
u8 lut_r[256], lut_g[256], lut_b[256];
int dpms_mode;
bool busy; /* is scanout buffer being updated frequently? */
struct timer_list idle_timer;
bool lowfreq_avail;
struct intel_overlay *overlay;
struct intel_unpin_work *unpin_work;
};
#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
#define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
#define to_intel_connector(x) container_of(x, struct intel_connector, base)
#define enc_to_intel_encoder(x) container_of(x, struct intel_encoder, enc)
#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg,
const char *name);
void intel_i2c_destroy(struct i2c_adapter *adapter);
int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
extern bool intel_ddc_probe(struct intel_encoder *intel_encoder);
void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
void intel_i2c_reset_gmbus(struct drm_device *dev);
extern void intel_crt_init(struct drm_device *dev);
extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
extern void intel_dvo_init(struct drm_device *dev);
extern void intel_tv_init(struct drm_device *dev);
extern void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj);
extern void intel_lvds_init(struct drm_device *dev);
extern void intel_dp_init(struct drm_device *dev, int dp_reg);
void
intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
extern int intel_panel_fitter_pipe (struct drm_device *dev);
extern void intel_crtc_load_lut(struct drm_crtc *crtc);
extern void intel_encoder_prepare (struct drm_encoder *encoder);
extern void intel_encoder_commit (struct drm_encoder *encoder);
extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
extern struct drm_encoder *intel_attached_encoder(struct drm_connector *connector);
extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
struct drm_crtc *crtc);
int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern void intel_wait_for_vblank(struct drm_device *dev);
extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_connector *connector,
struct drm_display_mode *mode,
int *dpms_mode);
extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_connector *connector,
int dpms_mode);
extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
extern int intelfb_probe(struct drm_device *dev);
extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc);
extern void intelfb_restore(void);
extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
u16 blue, int regno);
extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, int regno);
extern void intel_init_clock_gating(struct drm_device *dev);
extern void ironlake_enable_drps(struct drm_device *dev);
extern void ironlake_disable_drps(struct drm_device *dev);
extern int intel_framebuffer_create(struct drm_device *dev,
struct drm_mode_fb_cmd *mode_cmd,
struct drm_framebuffer **fb,
struct drm_gem_object *obj);
extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
extern void intel_setup_overlay(struct drm_device *dev);
extern void intel_cleanup_overlay(struct drm_device *dev);
extern int intel_overlay_switch_off(struct intel_overlay *overlay);
extern int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
int interruptible);
extern int intel_overlay_put_image(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int intel_overlay_attrs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
#endif /* __INTEL_DRV_H__ */
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