drm/i915: Separate sideband declarations to intel_sideband.h

Split the sideback declarations out of the ginormous i915_drv.h

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190426081725.31217-5-chris@chris-wilson.co.uk

1 files changed, 130 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_sideband.h b/drivers/gpu/drm/i915/intel_sideband.h
new file mode 100644
index 000000000000..9d36bdc17955
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_sideband.h
@@ -0,0 +1,130 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef _INTEL_SIDEBAND_H_
+#define _INTEL_SIDEBAND_H_
+
+#include <linux/bitops.h>
+#include <linux/types.h>
+
+struct drm_i915_private;
+enum pipe;
+
+enum intel_sbi_destination {
+	SBI_ICLK,
+	SBI_MPHY,
+};
+
+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));
+}
+
+u32 intel_sbi_read(struct drm_i915_private *i915, u16 reg,
+		   enum intel_sbi_destination destination);
+void intel_sbi_write(struct drm_i915_private *i915, u16 reg, u32 value,
+		     enum intel_sbi_destination destination);
+
+#endif /* _INTEL_SIDEBAND_H */