260 lines
8.2 KiB
C
260 lines
8.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2009-2011, Intel Corporation.
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*/
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#ifndef __INTEL_DRV_H__
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#define __INTEL_DRV_H__
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_crtc_helper.h>
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#include <drm/drm_encoder.h>
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#include <drm/drm_probe_helper.h>
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#include <drm/drm_vblank.h>
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#include "gma_display.h"
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/*
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* Display related stuff
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*/
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/* maximum connectors per crtcs in the mode set */
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#define INTELFB_CONN_LIMIT 4
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/* Intel Pipe Clone Bit */
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#define INTEL_HDMIB_CLONE_BIT 1
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#define INTEL_HDMIC_CLONE_BIT 2
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#define INTEL_HDMID_CLONE_BIT 3
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#define INTEL_HDMIE_CLONE_BIT 4
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#define INTEL_HDMIF_CLONE_BIT 5
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#define INTEL_SDVO_NON_TV_CLONE_BIT 6
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#define INTEL_SDVO_TV_CLONE_BIT 7
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#define INTEL_SDVO_LVDS_CLONE_BIT 8
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#define INTEL_ANALOG_CLONE_BIT 9
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#define INTEL_TV_CLONE_BIT 10
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#define INTEL_DP_B_CLONE_BIT 11
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#define INTEL_DP_C_CLONE_BIT 12
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#define INTEL_DP_D_CLONE_BIT 13
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#define INTEL_LVDS_CLONE_BIT 14
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#define INTEL_DVO_TMDS_CLONE_BIT 15
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#define INTEL_DVO_LVDS_CLONE_BIT 16
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#define INTEL_EDP_CLONE_BIT 17
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/* these are outputs from the chip - integrated only
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* external chips are via DVO or SDVO output */
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#define INTEL_OUTPUT_UNUSED 0
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#define INTEL_OUTPUT_ANALOG 1
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#define INTEL_OUTPUT_DVO 2
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#define INTEL_OUTPUT_SDVO 3
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#define INTEL_OUTPUT_LVDS 4
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#define INTEL_OUTPUT_TVOUT 5
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#define INTEL_OUTPUT_HDMI 6
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#define INTEL_OUTPUT_MIPI 7
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#define INTEL_OUTPUT_MIPI2 8
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#define INTEL_OUTPUT_DISPLAYPORT 9
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#define INTEL_OUTPUT_EDP 10
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/*
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* Hold information useally put on the device driver privates here,
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* since it needs to be shared across multiple of devices drivers privates.
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*/
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struct psb_intel_mode_device {
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/*
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* Abstracted memory manager operations
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*/
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size_t(*bo_offset) (struct drm_device *dev, void *bo);
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/*
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* LVDS info
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*/
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int backlight_duty_cycle; /* restore backlight to this value */
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bool panel_wants_dither;
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struct drm_display_mode *panel_fixed_mode;
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struct drm_display_mode *panel_fixed_mode2;
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struct drm_display_mode *vbt_mode; /* if any */
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uint32_t saveBLC_PWM_CTL;
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};
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struct psb_intel_i2c_chan {
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/* for getting at dev. private (mmio etc.) */
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struct drm_device *drm_dev;
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u32 reg; /* GPIO reg */
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struct i2c_adapter adapter;
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struct i2c_algo_bit_data algo;
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u8 slave_addr;
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};
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struct gma_encoder {
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struct drm_encoder base;
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int type;
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bool needs_tv_clock;
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void (*hot_plug)(struct gma_encoder *);
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int crtc_mask;
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int clone_mask;
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u32 ddi_select; /* Channel info */
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#define DDI0_SELECT 0x01
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#define DDI1_SELECT 0x02
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#define DP_MASK 0x8000
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#define DDI_MASK 0x03
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void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
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/* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
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own set of output privates */
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struct psb_intel_i2c_chan *i2c_bus;
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struct psb_intel_i2c_chan *ddc_bus;
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};
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struct gma_connector {
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struct drm_connector base;
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struct gma_encoder *encoder;
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void (*save)(struct drm_connector *connector);
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void (*restore)(struct drm_connector *connector);
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};
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struct psb_intel_crtc_state {
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uint32_t saveDSPCNTR;
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uint32_t savePIPECONF;
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uint32_t savePIPESRC;
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uint32_t saveDPLL;
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uint32_t saveFP0;
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uint32_t saveFP1;
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uint32_t saveHTOTAL;
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uint32_t saveHBLANK;
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uint32_t saveHSYNC;
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uint32_t saveVTOTAL;
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uint32_t saveVBLANK;
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uint32_t saveVSYNC;
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uint32_t saveDSPSTRIDE;
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uint32_t saveDSPSIZE;
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uint32_t saveDSPPOS;
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uint32_t saveDSPBASE;
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uint32_t savePalette[256];
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};
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struct gma_crtc {
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struct drm_crtc base;
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int pipe;
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int plane;
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uint32_t cursor_addr;
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struct gtt_range *cursor_gt;
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u8 lut_adj[256];
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struct psb_intel_framebuffer *fbdev_fb;
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/* a mode_set for fbdev users on this crtc */
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struct drm_mode_set mode_set;
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/* GEM object that holds our cursor */
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struct drm_gem_object *cursor_obj;
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struct drm_display_mode saved_mode;
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struct drm_display_mode saved_adjusted_mode;
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struct psb_intel_mode_device *mode_dev;
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/*crtc mode setting flags*/
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u32 mode_flags;
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bool active;
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/* Saved Crtc HW states */
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struct psb_intel_crtc_state *crtc_state;
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const struct gma_clock_funcs *clock_funcs;
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struct drm_pending_vblank_event *page_flip_event;
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};
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#define to_gma_crtc(x) \
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container_of(x, struct gma_crtc, base)
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#define to_gma_connector(x) \
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container_of(x, struct gma_connector, base)
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#define to_gma_encoder(x) \
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container_of(x, struct gma_encoder, base)
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#define to_psb_intel_framebuffer(x) \
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container_of(x, struct psb_intel_framebuffer, base)
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struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
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const u32 reg, const char *name);
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void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
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int psb_intel_ddc_get_modes(struct drm_connector *connector,
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struct i2c_adapter *adapter);
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extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter);
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extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
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struct psb_intel_mode_device *mode_dev);
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extern void psb_intel_crt_init(struct drm_device *dev);
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extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device);
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extern void psb_intel_dvo_init(struct drm_device *dev);
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extern void psb_intel_tv_init(struct drm_device *dev);
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extern void psb_intel_lvds_init(struct drm_device *dev,
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struct psb_intel_mode_device *mode_dev);
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extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
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extern void oaktrail_lvds_init(struct drm_device *dev,
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struct psb_intel_mode_device *mode_dev);
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extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev);
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extern void oaktrail_dsi_init(struct drm_device *dev,
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struct psb_intel_mode_device *mode_dev);
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extern void oaktrail_lvds_i2c_init(struct drm_encoder *encoder);
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extern void mid_dsi_init(struct drm_device *dev,
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struct psb_intel_mode_device *mode_dev, int dsi_num);
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extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector);
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extern void gma_connector_attach_encoder(struct gma_connector *connector,
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struct gma_encoder *encoder);
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static inline struct gma_encoder *gma_attached_encoder(
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struct drm_connector *connector)
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{
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return to_gma_connector(connector)->encoder;
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}
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extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
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struct drm_crtc *crtc);
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extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
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int pipe);
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extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
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int sdvoB);
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extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
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extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
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int enable);
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extern int intelfb_probe(struct drm_device *dev);
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extern int intelfb_remove(struct drm_device *dev,
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struct drm_framebuffer *fb);
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extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
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const struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode);
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extern enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode);
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extern int psb_intel_lvds_set_property(struct drm_connector *connector,
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struct drm_property *property,
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uint64_t value);
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extern void psb_intel_lvds_destroy(struct drm_connector *connector);
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/* intel_gmbus.c */
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extern void gma_intel_i2c_reset(struct drm_device *dev);
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extern int gma_intel_setup_gmbus(struct drm_device *dev);
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extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
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extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
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extern void gma_intel_teardown_gmbus(struct drm_device *dev);
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/* DP support */
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extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg);
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extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc,
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struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode);
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extern void psb_intel_attach_force_audio_property(struct drm_connector *connector);
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extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
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extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val);
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extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val);
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extern void cdv_sb_reset(struct drm_device *dev);
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extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector);
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extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
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#endif /* __INTEL_DRV_H__ */
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