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// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
*/
#include <drm/drm_managed.h>
#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(struct drm_device *dev,
const struct dpu_dspp_cfg *cfg,
void __iomem *addr)
{
struct dpu_hw_dspp *c;
if (!addr)
return ERR_PTR(-EINVAL);
c = drmm_kzalloc(dev, 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;
}
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