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8695b61294
linux/drivers/gpu/drm/gma500/psb_intel_drv.h
Alan Cox 8695b61294 gma500: Add the support of display port on CDV 
Import the pieces we need in order to do DisplayPort. Don't wire them
up yet as there is work to do to integrate them.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-08-24 09:29:06 +10:00

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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
*/
/* 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
/* 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
/* 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_OUTPUT_DISPLAYPORT 9
#define INTEL_OUTPUT_EDP 10
#define INTEL_DVO_CHIP_NONE 0
#define INTEL_DVO_CHIP_LVDS 1
#define INTEL_DVO_CHIP_TMDS 2
#define INTEL_DVO_CHIP_TVOUT 4
#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
static inline void
psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
int multiplier)
{
mode->clock *= multiplier;
mode->private_flags |= multiplier;
}
static inline int
psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
{
return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK)
>> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
}
/*
* 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);
/*
* 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_encoder {
struct drm_encoder base;
int type;
bool needs_tv_clock;
void (*hot_plug)(struct psb_intel_encoder *);
int crtc_mask;
int clone_mask;
u32 ddi_select; /* Channel info */
#define DDI0_SELECT 0x01
#define DDI1_SELECT 0x02
#define DP_MASK 0x8000;
#define DDI_MASK 0x03
void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
/* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
own set of output privates */
struct psb_intel_i2c_chan *i2c_bus;
struct psb_intel_i2c_chan *ddc_bus;
};
struct psb_intel_connector {
struct drm_connector base;
struct psb_intel_encoder *encoder;
};
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;
struct gtt_range *cursor_gt;
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;
bool active;
bool crtc_enable;
/* 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_connector(x) \
container_of(x, struct psb_intel_connector, base)
#define to_psb_intel_encoder(x) \
container_of(x, struct psb_intel_encoder, base)
#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 drm_connector *connector,
struct i2c_adapter *adapter);
extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter);
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 bool 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 void psb_intel_encoder_destroy(struct drm_encoder *encoder);
static inline struct psb_intel_encoder *psb_intel_attached_encoder(
struct drm_connector *connector)
{
return to_psb_intel_connector(connector)->encoder;
}
extern void psb_intel_connector_attach_encoder(
struct psb_intel_connector *connector,
struct psb_intel_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,
const 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;
/* intel_gmbus.c */
extern void gma_intel_i2c_reset(struct drm_device *dev);
extern int gma_intel_setup_gmbus(struct drm_device *dev);
extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
extern void gma_intel_teardown_gmbus(struct drm_device *dev);
#endif /* __INTEL_DRV_H__ */
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