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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c | |
parent | Initial commit. (diff) | |
download | linux-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.c | 99 |
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); +} + + |