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/*
* Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
* Copyright (c) 2007 Intel Corporation
* Jesse Barnes <jesse.barnes@intel.com>
*/
#ifndef __INTEL_DRV_H__
#define __INTEL_DRV_H__
#include <linux/i2c.h>
#include <linux/i2c-id.h>
#include <linux/i2c-algo-bit.h>
#include "drm_crtc.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
#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_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 {
drm_device_t *drm_dev; /* for getting at dev. private (mmio etc.) */
u32 reg; /* GPIO reg */
struct i2c_adapter adapter;
struct i2c_algo_bit_data algo;
u8 slave_addr;
};
struct intel_output {
int type;
struct intel_i2c_chan *i2c_bus; /* for control functions */
struct intel_i2c_chan *ddc_bus; /* for DDC only stuff */
bool load_detect_tmp;
void *dev_priv;
};
struct intel_crtc {
int pipe;
u8 lut_r[256], lut_g[256], lut_b[256];
};
struct intel_i2c_chan *intel_i2c_create(drm_device_t *dev, const u32 reg,
const char *name);
void intel_i2c_destroy(struct intel_i2c_chan *chan);
int intel_ddc_get_modes(struct drm_output *output);
extern bool intel_ddc_probe(struct drm_output *output);
extern void intel_crt_init(drm_device_t *dev);
extern void intel_sdvo_init(drm_device_t *dev, int output_device);
extern void intel_lvds_init(drm_device_t *dev);
extern void intel_crtc_load_lut(struct drm_crtc *crtc);
extern void intel_output_prepare (struct drm_output *output);
extern void intel_output_commit (struct drm_output *output);
extern struct drm_display_mode *intel_crtc_mode_get(drm_device_t *dev,
struct drm_crtc *crtc);
#endif /* __INTEL_DRV_H__ */
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