From: Aditya Swarup <aditya.swarup@xxxxxxxxx>
DG1 has 4 DPLLs where DPLL0 and DPLL1 drive DDIA/B and
DPLL2 and DPLL3 drive DDIC/DDID.
Introduce DG1_DPLL_CFCRx() helper macros to configure
DPLL registers.
Bspec: 50288, 50299
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
Signed-off-by: Aditya Swarup <aditya.swarup@xxxxxxxxx>
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dpll_mgr.h | 17 +++++++++++++++++
drivers/gpu/drm/i915/i915_reg.h | 17 ++++++++++++++++-
2 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
index 5d9a2bc371e7..205542fb8dc7 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
@@ -154,6 +154,23 @@ enum intel_dpll_id {
* @DPLL_ID_TGL_MGPLL6: TGL TC PLL port 6 (TC6)
*/
DPLL_ID_TGL_MGPLL6 = 8,
+
+ /**
+ * @DPLL_ID_DG1_DPLL0: DG1 combo PHY DPLL0
+ */
+ DPLL_ID_DG1_DPLL0 = 0,
+ /**
+ * @DPLL_ID_DG1_DPLL1: DG1 combo PHY DPLL1
+ */
+ DPLL_ID_DG1_DPLL1 = 1,
+ /**
+ * @DPLL_ID_DG1_DPLL2: DG1 combo PHY DPLL2
+ */
+ DPLL_ID_DG1_DPLL2 = 2,
+ /**
+ * @DPLL_ID_DG1_DPLL3: DG1 combo PHY DPLL3
+ */
+ DPLL_ID_DG1_DPLL3 = 3,
};
#define I915_NUM_PLLS 9
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 20f48f24f2dd..f362c65b1de7 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -242,7 +242,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define _MMIO_PIPE3(pipe, a, b, c) _MMIO(_PICK(pipe, a, b, c))
#define _MMIO_PORT3(pipe, a, b, c) _MMIO(_PICK(pipe, a, b, c))
#define _MMIO_PHY3(phy, a, b, c) _MMIO(_PHY3(phy, a, b, c))
-#define _MMIO_PLL3(pll, a, b, c) _MMIO(_PICK(pll, a, b, c))
+#define _MMIO_PLL3(pll, ...) _MMIO(_PICK(pll, __VA_ARGS__))
+
/*
* Device info offset array based helpers for groups of registers with unevenly
@@ -10520,6 +10521,20 @@ enum skl_power_gate {
_TGL_DPLL1_CFGCR1, \
_TGL_TBTPLL_CFGCR1)
+#define _DG1_DPLL2_CFGCR0 0x16C284
+#define _DG1_DPLL3_CFGCR0 0x16C28C
+#define DG1_DPLL_CFGCR0(pll) _MMIO_PLL3(pll, _TGL_DPLL0_CFGCR0, \
+ _TGL_DPLL1_CFGCR0, \
+ _DG1_DPLL2_CFGCR0, \
+ _DG1_DPLL3_CFGCR0)
+
+#define _DG1_DPLL2_CFGCR1 0x16C288
+#define _DG1_DPLL3_CFGCR1 0x16C290
+#define DG1_DPLL_CFGCR1(pll) _MMIO_PLL3(pll, _TGL_DPLL0_CFGCR1, \
+ _TGL_DPLL1_CFGCR1, \
+ _DG1_DPLL2_CFGCR1, \
+ _DG1_DPLL3_CFGCR1)
+
#define _DKL_PHY1_BASE 0x168000
#define _DKL_PHY2_BASE 0x169000
#define _DKL_PHY3_BASE 0x16A000
--
2.26.2
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