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/*
* Copyright (c) 2009-2011, Intel Corporation.
*
* 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.
*
*/
#ifndef __INTEL_DRV_H__
#define __INTEL_DRV_H__
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <linux/gpio.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_MIPI 7
#define INTEL_OUTPUT_MIPI2 8
#define INTEL_DVO_CHIP_NONE 0
#define INTEL_DVO_CHIP_LVDS 1
#define INTEL_DVO_CHIP_TMDS 2
#define INTEL_DVO_CHIP_TVOUT 4
/*
* Hold information useally put on the device driver privates here,
* since it needs to be shared across multiple of devices drivers privates.
*/
struct psb_intel_mode_device {
/*
* Abstracted memory manager operations
*/
size_t(*bo_offset) (struct drm_device *dev, void *bo);
/*
* Cursor (Can go ?)
*/
int cursor_needs_physical;
/*
* LVDS info
*/
int backlight_duty_cycle; /* restore backlight to this value */
bool panel_wants_dither;
struct drm_display_mode *panel_fixed_mode;
struct drm_display_mode *panel_fixed_mode2;
struct drm_display_mode *vbt_mode; /* if any */
uint32_t saveBLC_PWM_CTL;
};
struct psb_intel_i2c_chan {
/* for getting at dev. private (mmio etc.) */
struct drm_device *drm_dev;
u32 reg; /* GPIO reg */
struct i2c_adapter adapter;
struct i2c_algo_bit_data algo;
u8 slave_addr;
};
struct psb_intel_output {
struct drm_connector base;
struct drm_encoder enc;
int type;
struct psb_intel_i2c_chan *i2c_bus; /* for control functions */
struct psb_intel_i2c_chan *ddc_bus; /* for DDC only stuff */
bool load_detect_temp;
void *dev_priv;
struct psb_intel_mode_device *mode_dev;
struct i2c_adapter *hdmi_i2c_adapter; /* for control functions */
};
struct psb_intel_crtc_state {
uint32_t saveDSPCNTR;
uint32_t savePIPECONF;
uint32_t savePIPESRC;
uint32_t saveDPLL;
uint32_t saveFP0;
uint32_t saveFP1;
uint32_t saveHTOTAL;
uint32_t saveHBLANK;
uint32_t saveHSYNC;
uint32_t saveVTOTAL;
uint32_t saveVBLANK;
uint32_t saveVSYNC;
uint32_t saveDSPSTRIDE;
uint32_t saveDSPSIZE;
uint32_t saveDSPPOS;
uint32_t saveDSPBASE;
uint32_t savePalette[256];
};
struct psb_intel_crtc {
struct drm_crtc base;
int pipe;
int plane;
uint32_t cursor_addr;
u8 lut_r[256], lut_g[256], lut_b[256];
u8 lut_adj[256];
struct psb_intel_framebuffer *fbdev_fb;
/* a mode_set for fbdev users on this crtc */
struct drm_mode_set mode_set;
/* GEM object that holds our cursor */
struct drm_gem_object *cursor_obj;
struct drm_display_mode saved_mode;
struct drm_display_mode saved_adjusted_mode;
struct psb_intel_mode_device *mode_dev;
/*crtc mode setting flags*/
u32 mode_flags;
/* Saved Crtc HW states */
struct psb_intel_crtc_state *crtc_state;
};
#define to_psb_intel_crtc(x) \
container_of(x, struct psb_intel_crtc, base)
#define to_psb_intel_output(x) \
container_of(x, struct psb_intel_output, base)
#define enc_to_psb_intel_output(x) \
container_of(x, struct psb_intel_output, enc)
#define to_psb_intel_framebuffer(x) \
container_of(x, struct psb_intel_framebuffer, base)
struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
const u32 reg, const char *name);
void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output);
extern bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output);
extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
struct psb_intel_mode_device *mode_dev);
extern void psb_intel_crt_init(struct drm_device *dev);
extern void psb_intel_sdvo_init(struct drm_device *dev, int output_device);
extern void psb_intel_dvo_init(struct drm_device *dev);
extern void psb_intel_tv_init(struct drm_device *dev);
extern void psb_intel_lvds_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev);
extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
extern void oaktrail_lvds_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev);
extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev);
extern void oaktrail_dsi_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev);
extern void mid_dsi_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev, int dsi_num);
extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc);
extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector
*connector);
extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
struct drm_crtc *crtc);
extern void psb_intel_wait_for_vblank(struct drm_device *dev);
extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
int pipe);
extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
int sdvoB);
extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
extern void psb_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 struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device
*dev, struct
drm_mode_fb_cmd
*mode_cmd,
void *mm_private);
extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
extern int psb_intel_lvds_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode);
extern int psb_intel_lvds_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value);
extern void psb_intel_lvds_destroy(struct drm_connector *connector);
extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
#endif /* __INTEL_DRV_H__ */
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