linux-stable/drivers/gpu/drm/i915/vlv_sideband.h
Jani Nikula 1eecf31e3c drm/i915: split out vlv sideband to a separate file
The VLV/CHV sideband code is pretty distinct from the rest of the
sideband code. Split it out to new vlv_sideband.[ch].

Pure code movement with relevant #include changes, and a tiny checkpatch
fix on top.

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/755ebbbaf01fc6d306b763b6ef60f45e671ba290.1634119597.git.jani.nikula@intel.com
2021-10-14 12:22:55 +03:00

123 lines
3.2 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2013-2021 Intel Corporation
*/
#ifndef _VLV_SIDEBAND_H_
#define _VLV_SIDEBAND_H_
#include <linux/bitops.h>
#include <linux/types.h>
enum pipe;
struct drm_i915_private;
enum {
VLV_IOSF_SB_BUNIT,
VLV_IOSF_SB_CCK,
VLV_IOSF_SB_CCU,
VLV_IOSF_SB_DPIO,
VLV_IOSF_SB_FLISDSI,
VLV_IOSF_SB_GPIO,
VLV_IOSF_SB_NC,
VLV_IOSF_SB_PUNIT,
};
void vlv_iosf_sb_get(struct drm_i915_private *i915, unsigned long ports);
u32 vlv_iosf_sb_read(struct drm_i915_private *i915, u8 port, u32 reg);
void vlv_iosf_sb_write(struct drm_i915_private *i915,
u8 port, u32 reg, u32 val);
void vlv_iosf_sb_put(struct drm_i915_private *i915, unsigned long ports);
static inline void vlv_bunit_get(struct drm_i915_private *i915)
{
vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_BUNIT));
}
u32 vlv_bunit_read(struct drm_i915_private *i915, u32 reg);
void vlv_bunit_write(struct drm_i915_private *i915, u32 reg, u32 val);
static inline void vlv_bunit_put(struct drm_i915_private *i915)
{
vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_BUNIT));
}
static inline void vlv_cck_get(struct drm_i915_private *i915)
{
vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_CCK));
}
u32 vlv_cck_read(struct drm_i915_private *i915, u32 reg);
void vlv_cck_write(struct drm_i915_private *i915, u32 reg, u32 val);
static inline void vlv_cck_put(struct drm_i915_private *i915)
{
vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_CCK));
}
static inline void vlv_ccu_get(struct drm_i915_private *i915)
{
vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_CCU));
}
u32 vlv_ccu_read(struct drm_i915_private *i915, u32 reg);
void vlv_ccu_write(struct drm_i915_private *i915, u32 reg, u32 val);
static inline void vlv_ccu_put(struct drm_i915_private *i915)
{
vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_CCU));
}
static inline void vlv_dpio_get(struct drm_i915_private *i915)
{
vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_DPIO));
}
u32 vlv_dpio_read(struct drm_i915_private *i915, enum pipe pipe, int reg);
void vlv_dpio_write(struct drm_i915_private *i915,
enum pipe pipe, int reg, u32 val);
static inline void vlv_dpio_put(struct drm_i915_private *i915)
{
vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_DPIO));
}
static inline void vlv_flisdsi_get(struct drm_i915_private *i915)
{
vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_FLISDSI));
}
u32 vlv_flisdsi_read(struct drm_i915_private *i915, u32 reg);
void vlv_flisdsi_write(struct drm_i915_private *i915, u32 reg, u32 val);
static inline void vlv_flisdsi_put(struct drm_i915_private *i915)
{
vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_FLISDSI));
}
static inline void vlv_nc_get(struct drm_i915_private *i915)
{
vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_NC));
}
u32 vlv_nc_read(struct drm_i915_private *i915, u8 addr);
static inline void vlv_nc_put(struct drm_i915_private *i915)
{
vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_NC));
}
static inline void vlv_punit_get(struct drm_i915_private *i915)
{
vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_PUNIT));
}
u32 vlv_punit_read(struct drm_i915_private *i915, u32 addr);
int vlv_punit_write(struct drm_i915_private *i915, u32 addr, u32 val);
static inline void vlv_punit_put(struct drm_i915_private *i915)
{
vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_PUNIT));
}
#endif /* _VLV_SIDEBAND_H_ */