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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c')
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c
new file mode 100644
index 0000000000..9419b2209a
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
+ */
+
+#include "dpu_hwio.h"
+#include "dpu_hw_catalog.h"
+#include "dpu_hw_lm.h"
+#include "dpu_hw_dspp.h"
+#include "dpu_kms.h"
+
+
+/* DSPP_PCC */
+#define PCC_EN BIT(0)
+#define PCC_DIS 0
+#define PCC_RED_R_OFF 0x10
+#define PCC_RED_G_OFF 0x1C
+#define PCC_RED_B_OFF 0x28
+#define PCC_GREEN_R_OFF 0x14
+#define PCC_GREEN_G_OFF 0x20
+#define PCC_GREEN_B_OFF 0x2C
+#define PCC_BLUE_R_OFF 0x18
+#define PCC_BLUE_G_OFF 0x24
+#define PCC_BLUE_B_OFF 0x30
+
+static void dpu_setup_dspp_pcc(struct dpu_hw_dspp *ctx,
+ struct dpu_hw_pcc_cfg *cfg)
+{
+
+ u32 base;
+
+ if (!ctx) {
+ DRM_ERROR("invalid ctx %pK\n", ctx);
+ return;
+ }
+
+ base = ctx->cap->sblk->pcc.base;
+
+ if (!base) {
+ DRM_ERROR("invalid ctx %pK pcc base 0x%x\n", ctx, base);
+ return;
+ }
+
+ if (!cfg) {
+ DRM_DEBUG_DRIVER("disable pcc feature\n");
+ DPU_REG_WRITE(&ctx->hw, base, PCC_DIS);
+ return;
+ }
+
+ DPU_REG_WRITE(&ctx->hw, base + PCC_RED_R_OFF, cfg->r.r);
+ DPU_REG_WRITE(&ctx->hw, base + PCC_RED_G_OFF, cfg->r.g);
+ DPU_REG_WRITE(&ctx->hw, base + PCC_RED_B_OFF, cfg->r.b);
+
+ DPU_REG_WRITE(&ctx->hw, base + PCC_GREEN_R_OFF, cfg->g.r);
+ DPU_REG_WRITE(&ctx->hw, base + PCC_GREEN_G_OFF, cfg->g.g);
+ DPU_REG_WRITE(&ctx->hw, base + PCC_GREEN_B_OFF, cfg->g.b);
+
+ DPU_REG_WRITE(&ctx->hw, base + PCC_BLUE_R_OFF, cfg->b.r);
+ DPU_REG_WRITE(&ctx->hw, base + PCC_BLUE_G_OFF, cfg->b.g);
+ DPU_REG_WRITE(&ctx->hw, base + PCC_BLUE_B_OFF, cfg->b.b);
+
+ DPU_REG_WRITE(&ctx->hw, base, PCC_EN);
+}
+
+static void _setup_dspp_ops(struct dpu_hw_dspp *c,
+ unsigned long features)
+{
+ if (test_bit(DPU_DSPP_PCC, &features))
+ c->ops.setup_pcc = dpu_setup_dspp_pcc;
+}
+
+struct dpu_hw_dspp *dpu_hw_dspp_init(const struct dpu_dspp_cfg *cfg,
+ void __iomem *addr)
+{
+ struct dpu_hw_dspp *c;
+
+ if (!addr)
+ return ERR_PTR(-EINVAL);
+
+ c = kzalloc(sizeof(*c), GFP_KERNEL);
+ if (!c)
+ return ERR_PTR(-ENOMEM);
+
+ c->hw.blk_addr = addr + cfg->base;
+ c->hw.log_mask = DPU_DBG_MASK_DSPP;
+
+ /* Assign ops */
+ c->idx = cfg->id;
+ c->cap = cfg;
+ _setup_dspp_ops(c, c->cap->features);
+
+ return c;
+}
+
+void dpu_hw_dspp_destroy(struct dpu_hw_dspp *dspp)
+{
+ kfree(dspp);
+}
+
+