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linux/drivers/gpu/drm/i915/intel_drv.h
Jesse Barnes 645c62a5e9 drm/i915: split PCH clock gating init 
Ibex Peak and CougarPoint already require a different setting (added
here), and future chips will likely follow that precedent.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
2011-05-13 18:12:53 -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 "i915_drv.h"
#include "drm_crtc.h"
#include "drm_crtc_helper.h"
#include "drm_fb_helper.h"
#define _wait_for(COND, MS, W) ({ \
unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
int ret__ = 0; \
while (! (COND)) { \
if (time_after(jiffies, timeout__)) { \
ret__ = -ETIMEDOUT; \
break; \
} \
if (W && !(in_atomic() || in_dbg_master())) msleep(W); \
} \
ret__; \
})
#define wait_for(COND, MS) _wait_for(COND, MS, 1)
#define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
#define MSLEEP(x) do { \
if (in_dbg_master()) \
mdelay(x); \
else \
msleep(x); \
} while(0)
#define KHz(x) (1000*x)
#define MHz(x) KHz(1000*x)
/*
* 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
/* drm_display_mode->private_flags */
#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
static inline void
intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
int multiplier)
{
mode->clock *= multiplier;
mode->private_flags |= multiplier;
}
static inline int
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;
}
struct intel_framebuffer {
struct drm_framebuffer base;
struct drm_i915_gem_object *obj;
};
struct intel_fbdev {
struct drm_fb_helper helper;
struct intel_framebuffer ifb;
struct list_head fbdev_list;
struct drm_display_mode *our_mode;
};
struct intel_encoder {
struct drm_encoder base;
int type;
bool needs_tv_clock;
void (*hot_plug)(struct intel_encoder *);
int crtc_mask;
int clone_mask;
};
struct intel_connector {
struct drm_connector base;
struct intel_encoder *encoder;
};
struct intel_crtc {
struct drm_crtc base;
enum pipe pipe;
enum plane plane;
u8 lut_r[256], lut_g[256], lut_b[256];
int dpms_mode;
bool active; /* is the crtc on? independent of the 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;
int fdi_lanes;
struct drm_i915_gem_object *cursor_bo;
uint32_t cursor_addr;
int16_t cursor_x, cursor_y;
int16_t cursor_width, cursor_height;
bool cursor_visible;
};
#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
#define to_intel_connector(x) container_of(x, struct intel_connector, base)
#define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
#define DIP_TYPE_AVI 0x82
#define DIP_VERSION_AVI 0x2
#define DIP_LEN_AVI 13
struct dip_infoframe {
uint8_t type; /* HB0 */
uint8_t ver; /* HB1 */
uint8_t len; /* HB2 - body len, not including checksum */
uint8_t ecc; /* Header ECC */
uint8_t checksum; /* PB0 */
union {
struct {
/* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
uint8_t Y_A_B_S;
/* PB2 - C 7:6, M 5:4, R 3:0 */
uint8_t C_M_R;
/* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
uint8_t ITC_EC_Q_SC;
/* PB4 - VIC 6:0 */
uint8_t VIC;
/* PB5 - PR 3:0 */
uint8_t PR;
/* PB6 to PB13 */
uint16_t top_bar_end;
uint16_t bottom_bar_start;
uint16_t left_bar_end;
uint16_t right_bar_start;
} avi;
uint8_t payload[27];
} __attribute__ ((packed)) body;
} __attribute__((packed));
static inline struct drm_crtc *
intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
{
struct drm_i915_private *dev_priv = dev->dev_private;
return dev_priv->pipe_to_crtc_mapping[pipe];
}
static inline struct drm_crtc *
intel_get_crtc_for_plane(struct drm_device *dev, int plane)
{
struct drm_i915_private *dev_priv = dev->dev_private;
return dev_priv->plane_to_crtc_mapping[plane];
}
struct intel_unpin_work {
struct work_struct work;
struct drm_device *dev;
struct drm_i915_gem_object *old_fb_obj;
struct drm_i915_gem_object *pending_flip_obj;
struct drm_pending_vblank_event *event;
int pending;
bool enable_stall_check;
};
int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
extern void intel_crt_init(struct drm_device *dev);
extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
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_i915_gem_object *obj);
extern bool 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 bool intel_dpd_is_edp(struct drm_device *dev);
extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
/* intel_panel.c */
extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
struct drm_display_mode *adjusted_mode);
extern void intel_pch_panel_fitting(struct drm_device *dev,
int fitting_mode,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
extern u32 intel_panel_get_backlight(struct drm_device *dev);
extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
extern void intel_panel_setup_backlight(struct drm_device *dev);
extern void intel_panel_enable_backlight(struct drm_device *dev);
extern void intel_panel_disable_backlight(struct drm_device *dev);
extern enum drm_connector_status intel_panel_detect(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 void intel_encoder_destroy(struct drm_encoder *encoder);
static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
{
return to_intel_connector(connector)->encoder;
}
extern void intel_connector_attach_encoder(struct intel_connector *connector,
struct intel_encoder *encoder);
extern struct drm_encoder *intel_best_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, int pipe);
extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
struct intel_load_detect_pipe {
struct drm_framebuffer *release_fb;
bool load_detect_temp;
int dpms_mode;
};
extern bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_connector *connector,
struct drm_display_mode *mode,
struct intel_load_detect_pipe *old);
extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_connector *connector,
struct intel_load_detect_pipe *old);
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 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_enable_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 void gen6_enable_rps(struct drm_i915_private *dev_priv);
extern void gen6_disable_rps(struct drm_device *dev);
extern void intel_init_emon(struct drm_device *dev);
extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
struct drm_i915_gem_object *obj,
struct intel_ring_buffer *pipelined);
extern int intel_framebuffer_init(struct drm_device *dev,
struct intel_framebuffer *ifb,
struct drm_mode_fb_cmd *mode_cmd,
struct drm_i915_gem_object *obj);
extern int intel_fbdev_init(struct drm_device *dev);
extern void intel_fbdev_fini(struct drm_device *dev);
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_finish_page_flip_plane(struct drm_device *dev, int plane);
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_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);
extern void intel_fb_output_poll_changed(struct drm_device *dev);
extern void intel_fb_restore_mode(struct drm_device *dev);
extern void intel_init_clock_gating(struct drm_device *dev);
#endif /* __INTEL_DRV_H__ */
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