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path: root/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
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Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c')
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c713
1 files changed, 713 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
new file mode 100644
index 000000000..a35ecb667
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -0,0 +1,713 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <linux/delay.h>
+#include "dpu_hwio.h"
+#include "dpu_hw_ctl.h"
+#include "dpu_kms.h"
+#include "dpu_trace.h"
+
+#define CTL_LAYER(lm) \
+ (((lm) == LM_5) ? (0x024) : (((lm) - LM_0) * 0x004))
+#define CTL_LAYER_EXT(lm) \
+ (0x40 + (((lm) - LM_0) * 0x004))
+#define CTL_LAYER_EXT2(lm) \
+ (0x70 + (((lm) - LM_0) * 0x004))
+#define CTL_LAYER_EXT3(lm) \
+ (0xA0 + (((lm) - LM_0) * 0x004))
+#define CTL_TOP 0x014
+#define CTL_FLUSH 0x018
+#define CTL_START 0x01C
+#define CTL_PREPARE 0x0d0
+#define CTL_SW_RESET 0x030
+#define CTL_LAYER_EXTN_OFFSET 0x40
+#define CTL_MERGE_3D_ACTIVE 0x0E4
+#define CTL_WB_ACTIVE 0x0EC
+#define CTL_INTF_ACTIVE 0x0F4
+#define CTL_MERGE_3D_FLUSH 0x100
+#define CTL_DSC_ACTIVE 0x0E8
+#define CTL_DSC_FLUSH 0x104
+#define CTL_WB_FLUSH 0x108
+#define CTL_INTF_FLUSH 0x110
+#define CTL_INTF_MASTER 0x134
+#define CTL_FETCH_PIPE_ACTIVE 0x0FC
+
+#define CTL_MIXER_BORDER_OUT BIT(24)
+#define CTL_FLUSH_MASK_CTL BIT(17)
+
+#define DPU_REG_RESET_TIMEOUT_US 2000
+#define MERGE_3D_IDX 23
+#define DSC_IDX 22
+#define INTF_IDX 31
+#define WB_IDX 16
+#define CTL_INVALID_BIT 0xffff
+#define CTL_DEFAULT_GROUP_ID 0xf
+
+static const u32 fetch_tbl[SSPP_MAX] = {CTL_INVALID_BIT, 16, 17, 18, 19,
+ CTL_INVALID_BIT, CTL_INVALID_BIT, CTL_INVALID_BIT, CTL_INVALID_BIT, 0,
+ 1, 2, 3, CTL_INVALID_BIT, CTL_INVALID_BIT};
+
+static const struct dpu_ctl_cfg *_ctl_offset(enum dpu_ctl ctl,
+ const struct dpu_mdss_cfg *m,
+ void __iomem *addr,
+ struct dpu_hw_blk_reg_map *b)
+{
+ int i;
+
+ for (i = 0; i < m->ctl_count; i++) {
+ if (ctl == m->ctl[i].id) {
+ b->blk_addr = addr + m->ctl[i].base;
+ b->log_mask = DPU_DBG_MASK_CTL;
+ return &m->ctl[i];
+ }
+ }
+ return ERR_PTR(-ENOMEM);
+}
+
+static int _mixer_stages(const struct dpu_lm_cfg *mixer, int count,
+ enum dpu_lm lm)
+{
+ int i;
+ int stages = -EINVAL;
+
+ for (i = 0; i < count; i++) {
+ if (lm == mixer[i].id) {
+ stages = mixer[i].sblk->maxblendstages;
+ break;
+ }
+ }
+
+ return stages;
+}
+
+static inline u32 dpu_hw_ctl_get_flush_register(struct dpu_hw_ctl *ctx)
+{
+ struct dpu_hw_blk_reg_map *c = &ctx->hw;
+
+ return DPU_REG_READ(c, CTL_FLUSH);
+}
+
+static inline void dpu_hw_ctl_trigger_start(struct dpu_hw_ctl *ctx)
+{
+ trace_dpu_hw_ctl_trigger_start(ctx->pending_flush_mask,
+ dpu_hw_ctl_get_flush_register(ctx));
+ DPU_REG_WRITE(&ctx->hw, CTL_START, 0x1);
+}
+
+static inline bool dpu_hw_ctl_is_started(struct dpu_hw_ctl *ctx)
+{
+ return !!(DPU_REG_READ(&ctx->hw, CTL_START) & BIT(0));
+}
+
+static inline void dpu_hw_ctl_trigger_pending(struct dpu_hw_ctl *ctx)
+{
+ trace_dpu_hw_ctl_trigger_prepare(ctx->pending_flush_mask,
+ dpu_hw_ctl_get_flush_register(ctx));
+ DPU_REG_WRITE(&ctx->hw, CTL_PREPARE, 0x1);
+}
+
+static inline void dpu_hw_ctl_clear_pending_flush(struct dpu_hw_ctl *ctx)
+{
+ trace_dpu_hw_ctl_clear_pending_flush(ctx->pending_flush_mask,
+ dpu_hw_ctl_get_flush_register(ctx));
+ ctx->pending_flush_mask = 0x0;
+}
+
+static inline void dpu_hw_ctl_update_pending_flush(struct dpu_hw_ctl *ctx,
+ u32 flushbits)
+{
+ trace_dpu_hw_ctl_update_pending_flush(flushbits,
+ ctx->pending_flush_mask);
+ ctx->pending_flush_mask |= flushbits;
+}
+
+static u32 dpu_hw_ctl_get_pending_flush(struct dpu_hw_ctl *ctx)
+{
+ return ctx->pending_flush_mask;
+}
+
+static inline void dpu_hw_ctl_trigger_flush_v1(struct dpu_hw_ctl *ctx)
+{
+ if (ctx->pending_flush_mask & BIT(MERGE_3D_IDX))
+ DPU_REG_WRITE(&ctx->hw, CTL_MERGE_3D_FLUSH,
+ ctx->pending_merge_3d_flush_mask);
+ if (ctx->pending_flush_mask & BIT(INTF_IDX))
+ DPU_REG_WRITE(&ctx->hw, CTL_INTF_FLUSH,
+ ctx->pending_intf_flush_mask);
+ if (ctx->pending_flush_mask & BIT(WB_IDX))
+ DPU_REG_WRITE(&ctx->hw, CTL_WB_FLUSH,
+ ctx->pending_wb_flush_mask);
+
+ DPU_REG_WRITE(&ctx->hw, CTL_FLUSH, ctx->pending_flush_mask);
+}
+
+static inline void dpu_hw_ctl_trigger_flush(struct dpu_hw_ctl *ctx)
+{
+ trace_dpu_hw_ctl_trigger_pending_flush(ctx->pending_flush_mask,
+ dpu_hw_ctl_get_flush_register(ctx));
+ DPU_REG_WRITE(&ctx->hw, CTL_FLUSH, ctx->pending_flush_mask);
+}
+
+static void dpu_hw_ctl_update_pending_flush_sspp(struct dpu_hw_ctl *ctx,
+ enum dpu_sspp sspp)
+{
+ switch (sspp) {
+ case SSPP_VIG0:
+ ctx->pending_flush_mask |= BIT(0);
+ break;
+ case SSPP_VIG1:
+ ctx->pending_flush_mask |= BIT(1);
+ break;
+ case SSPP_VIG2:
+ ctx->pending_flush_mask |= BIT(2);
+ break;
+ case SSPP_VIG3:
+ ctx->pending_flush_mask |= BIT(18);
+ break;
+ case SSPP_RGB0:
+ ctx->pending_flush_mask |= BIT(3);
+ break;
+ case SSPP_RGB1:
+ ctx->pending_flush_mask |= BIT(4);
+ break;
+ case SSPP_RGB2:
+ ctx->pending_flush_mask |= BIT(5);
+ break;
+ case SSPP_RGB3:
+ ctx->pending_flush_mask |= BIT(19);
+ break;
+ case SSPP_DMA0:
+ ctx->pending_flush_mask |= BIT(11);
+ break;
+ case SSPP_DMA1:
+ ctx->pending_flush_mask |= BIT(12);
+ break;
+ case SSPP_DMA2:
+ ctx->pending_flush_mask |= BIT(24);
+ break;
+ case SSPP_DMA3:
+ ctx->pending_flush_mask |= BIT(25);
+ break;
+ case SSPP_CURSOR0:
+ ctx->pending_flush_mask |= BIT(22);
+ break;
+ case SSPP_CURSOR1:
+ ctx->pending_flush_mask |= BIT(23);
+ break;
+ default:
+ break;
+ }
+}
+
+static void dpu_hw_ctl_update_pending_flush_mixer(struct dpu_hw_ctl *ctx,
+ enum dpu_lm lm)
+{
+ switch (lm) {
+ case LM_0:
+ ctx->pending_flush_mask |= BIT(6);
+ break;
+ case LM_1:
+ ctx->pending_flush_mask |= BIT(7);
+ break;
+ case LM_2:
+ ctx->pending_flush_mask |= BIT(8);
+ break;
+ case LM_3:
+ ctx->pending_flush_mask |= BIT(9);
+ break;
+ case LM_4:
+ ctx->pending_flush_mask |= BIT(10);
+ break;
+ case LM_5:
+ ctx->pending_flush_mask |= BIT(20);
+ break;
+ default:
+ break;
+ }
+
+ ctx->pending_flush_mask |= CTL_FLUSH_MASK_CTL;
+}
+
+static void dpu_hw_ctl_update_pending_flush_intf(struct dpu_hw_ctl *ctx,
+ enum dpu_intf intf)
+{
+ switch (intf) {
+ case INTF_0:
+ ctx->pending_flush_mask |= BIT(31);
+ break;
+ case INTF_1:
+ ctx->pending_flush_mask |= BIT(30);
+ break;
+ case INTF_2:
+ ctx->pending_flush_mask |= BIT(29);
+ break;
+ case INTF_3:
+ ctx->pending_flush_mask |= BIT(28);
+ break;
+ default:
+ break;
+ }
+}
+
+static void dpu_hw_ctl_update_pending_flush_wb(struct dpu_hw_ctl *ctx,
+ enum dpu_wb wb)
+{
+ switch (wb) {
+ case WB_0:
+ case WB_1:
+ case WB_2:
+ ctx->pending_flush_mask |= BIT(WB_IDX);
+ break;
+ default:
+ break;
+ }
+}
+
+static void dpu_hw_ctl_update_pending_flush_wb_v1(struct dpu_hw_ctl *ctx,
+ enum dpu_wb wb)
+{
+ ctx->pending_wb_flush_mask |= BIT(wb - WB_0);
+ ctx->pending_flush_mask |= BIT(WB_IDX);
+}
+
+static void dpu_hw_ctl_update_pending_flush_intf_v1(struct dpu_hw_ctl *ctx,
+ enum dpu_intf intf)
+{
+ ctx->pending_intf_flush_mask |= BIT(intf - INTF_0);
+ ctx->pending_flush_mask |= BIT(INTF_IDX);
+}
+
+static void dpu_hw_ctl_update_pending_flush_merge_3d_v1(struct dpu_hw_ctl *ctx,
+ enum dpu_merge_3d merge_3d)
+{
+ ctx->pending_merge_3d_flush_mask |= BIT(merge_3d - MERGE_3D_0);
+ ctx->pending_flush_mask |= BIT(MERGE_3D_IDX);
+}
+
+static void dpu_hw_ctl_update_pending_flush_dspp(struct dpu_hw_ctl *ctx,
+ enum dpu_dspp dspp)
+{
+ switch (dspp) {
+ case DSPP_0:
+ ctx->pending_flush_mask |= BIT(13);
+ break;
+ case DSPP_1:
+ ctx->pending_flush_mask |= BIT(14);
+ break;
+ case DSPP_2:
+ ctx->pending_flush_mask |= BIT(15);
+ break;
+ case DSPP_3:
+ ctx->pending_flush_mask |= BIT(21);
+ break;
+ default:
+ break;
+ }
+}
+
+static u32 dpu_hw_ctl_poll_reset_status(struct dpu_hw_ctl *ctx, u32 timeout_us)
+{
+ struct dpu_hw_blk_reg_map *c = &ctx->hw;
+ ktime_t timeout;
+ u32 status;
+
+ timeout = ktime_add_us(ktime_get(), timeout_us);
+
+ /*
+ * it takes around 30us to have mdp finish resetting its ctl path
+ * poll every 50us so that reset should be completed at 1st poll
+ */
+ do {
+ status = DPU_REG_READ(c, CTL_SW_RESET);
+ status &= 0x1;
+ if (status)
+ usleep_range(20, 50);
+ } while (status && ktime_compare_safe(ktime_get(), timeout) < 0);
+
+ return status;
+}
+
+static int dpu_hw_ctl_reset_control(struct dpu_hw_ctl *ctx)
+{
+ struct dpu_hw_blk_reg_map *c = &ctx->hw;
+
+ pr_debug("issuing hw ctl reset for ctl:%d\n", ctx->idx);
+ DPU_REG_WRITE(c, CTL_SW_RESET, 0x1);
+ if (dpu_hw_ctl_poll_reset_status(ctx, DPU_REG_RESET_TIMEOUT_US))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int dpu_hw_ctl_wait_reset_status(struct dpu_hw_ctl *ctx)
+{
+ struct dpu_hw_blk_reg_map *c = &ctx->hw;
+ u32 status;
+
+ status = DPU_REG_READ(c, CTL_SW_RESET);
+ status &= 0x01;
+ if (!status)
+ return 0;
+
+ pr_debug("hw ctl reset is set for ctl:%d\n", ctx->idx);
+ if (dpu_hw_ctl_poll_reset_status(ctx, DPU_REG_RESET_TIMEOUT_US)) {
+ pr_err("hw recovery is not complete for ctl:%d\n", ctx->idx);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void dpu_hw_ctl_clear_all_blendstages(struct dpu_hw_ctl *ctx)
+{
+ struct dpu_hw_blk_reg_map *c = &ctx->hw;
+ int i;
+
+ for (i = 0; i < ctx->mixer_count; i++) {
+ enum dpu_lm mixer_id = ctx->mixer_hw_caps[i].id;
+
+ DPU_REG_WRITE(c, CTL_LAYER(mixer_id), 0);
+ DPU_REG_WRITE(c, CTL_LAYER_EXT(mixer_id), 0);
+ DPU_REG_WRITE(c, CTL_LAYER_EXT2(mixer_id), 0);
+ DPU_REG_WRITE(c, CTL_LAYER_EXT3(mixer_id), 0);
+ }
+
+ DPU_REG_WRITE(c, CTL_FETCH_PIPE_ACTIVE, 0);
+}
+
+static void dpu_hw_ctl_setup_blendstage(struct dpu_hw_ctl *ctx,
+ enum dpu_lm lm, struct dpu_hw_stage_cfg *stage_cfg)
+{
+ struct dpu_hw_blk_reg_map *c = &ctx->hw;
+ u32 mixercfg = 0, mixercfg_ext = 0, mix, ext;
+ u32 mixercfg_ext2 = 0, mixercfg_ext3 = 0;
+ int i, j;
+ int stages;
+ int pipes_per_stage;
+
+ stages = _mixer_stages(ctx->mixer_hw_caps, ctx->mixer_count, lm);
+ if (stages < 0)
+ return;
+
+ if (test_bit(DPU_MIXER_SOURCESPLIT,
+ &ctx->mixer_hw_caps->features))
+ pipes_per_stage = PIPES_PER_STAGE;
+ else
+ pipes_per_stage = 1;
+
+ mixercfg = CTL_MIXER_BORDER_OUT; /* always set BORDER_OUT */
+
+ if (!stage_cfg)
+ goto exit;
+
+ for (i = 0; i <= stages; i++) {
+ /* overflow to ext register if 'i + 1 > 7' */
+ mix = (i + 1) & 0x7;
+ ext = i >= 7;
+
+ for (j = 0 ; j < pipes_per_stage; j++) {
+ enum dpu_sspp_multirect_index rect_index =
+ stage_cfg->multirect_index[i][j];
+
+ switch (stage_cfg->stage[i][j]) {
+ case SSPP_VIG0:
+ if (rect_index == DPU_SSPP_RECT_1) {
+ mixercfg_ext3 |= ((i + 1) & 0xF) << 0;
+ } else {
+ mixercfg |= mix << 0;
+ mixercfg_ext |= ext << 0;
+ }
+ break;
+ case SSPP_VIG1:
+ if (rect_index == DPU_SSPP_RECT_1) {
+ mixercfg_ext3 |= ((i + 1) & 0xF) << 4;
+ } else {
+ mixercfg |= mix << 3;
+ mixercfg_ext |= ext << 2;
+ }
+ break;
+ case SSPP_VIG2:
+ if (rect_index == DPU_SSPP_RECT_1) {
+ mixercfg_ext3 |= ((i + 1) & 0xF) << 8;
+ } else {
+ mixercfg |= mix << 6;
+ mixercfg_ext |= ext << 4;
+ }
+ break;
+ case SSPP_VIG3:
+ if (rect_index == DPU_SSPP_RECT_1) {
+ mixercfg_ext3 |= ((i + 1) & 0xF) << 12;
+ } else {
+ mixercfg |= mix << 26;
+ mixercfg_ext |= ext << 6;
+ }
+ break;
+ case SSPP_RGB0:
+ mixercfg |= mix << 9;
+ mixercfg_ext |= ext << 8;
+ break;
+ case SSPP_RGB1:
+ mixercfg |= mix << 12;
+ mixercfg_ext |= ext << 10;
+ break;
+ case SSPP_RGB2:
+ mixercfg |= mix << 15;
+ mixercfg_ext |= ext << 12;
+ break;
+ case SSPP_RGB3:
+ mixercfg |= mix << 29;
+ mixercfg_ext |= ext << 14;
+ break;
+ case SSPP_DMA0:
+ if (rect_index == DPU_SSPP_RECT_1) {
+ mixercfg_ext2 |= ((i + 1) & 0xF) << 8;
+ } else {
+ mixercfg |= mix << 18;
+ mixercfg_ext |= ext << 16;
+ }
+ break;
+ case SSPP_DMA1:
+ if (rect_index == DPU_SSPP_RECT_1) {
+ mixercfg_ext2 |= ((i + 1) & 0xF) << 12;
+ } else {
+ mixercfg |= mix << 21;
+ mixercfg_ext |= ext << 18;
+ }
+ break;
+ case SSPP_DMA2:
+ if (rect_index == DPU_SSPP_RECT_1) {
+ mixercfg_ext2 |= ((i + 1) & 0xF) << 16;
+ } else {
+ mix |= (i + 1) & 0xF;
+ mixercfg_ext2 |= mix << 0;
+ }
+ break;
+ case SSPP_DMA3:
+ if (rect_index == DPU_SSPP_RECT_1) {
+ mixercfg_ext2 |= ((i + 1) & 0xF) << 20;
+ } else {
+ mix |= (i + 1) & 0xF;
+ mixercfg_ext2 |= mix << 4;
+ }
+ break;
+ case SSPP_CURSOR0:
+ mixercfg_ext |= ((i + 1) & 0xF) << 20;
+ break;
+ case SSPP_CURSOR1:
+ mixercfg_ext |= ((i + 1) & 0xF) << 26;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+exit:
+ DPU_REG_WRITE(c, CTL_LAYER(lm), mixercfg);
+ DPU_REG_WRITE(c, CTL_LAYER_EXT(lm), mixercfg_ext);
+ DPU_REG_WRITE(c, CTL_LAYER_EXT2(lm), mixercfg_ext2);
+ DPU_REG_WRITE(c, CTL_LAYER_EXT3(lm), mixercfg_ext3);
+}
+
+
+static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
+ struct dpu_hw_intf_cfg *cfg)
+{
+ struct dpu_hw_blk_reg_map *c = &ctx->hw;
+ u32 intf_active = 0;
+ u32 wb_active = 0;
+ u32 mode_sel = 0;
+
+ /* CTL_TOP[31:28] carries group_id to collate CTL paths
+ * per VM. Explicitly disable it until VM support is
+ * added in SW. Power on reset value is not disable.
+ */
+ if ((test_bit(DPU_CTL_VM_CFG, &ctx->caps->features)))
+ mode_sel = CTL_DEFAULT_GROUP_ID << 28;
+
+ if (cfg->dsc)
+ DPU_REG_WRITE(&ctx->hw, CTL_DSC_FLUSH, cfg->dsc);
+
+ if (cfg->intf_mode_sel == DPU_CTL_MODE_SEL_CMD)
+ mode_sel |= BIT(17);
+
+ intf_active = DPU_REG_READ(c, CTL_INTF_ACTIVE);
+ wb_active = DPU_REG_READ(c, CTL_WB_ACTIVE);
+
+ if (cfg->intf)
+ intf_active |= BIT(cfg->intf - INTF_0);
+
+ if (cfg->wb)
+ wb_active |= BIT(cfg->wb - WB_0);
+
+ DPU_REG_WRITE(c, CTL_TOP, mode_sel);
+ DPU_REG_WRITE(c, CTL_INTF_ACTIVE, intf_active);
+ DPU_REG_WRITE(c, CTL_WB_ACTIVE, wb_active);
+
+ if (cfg->merge_3d)
+ DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE,
+ BIT(cfg->merge_3d - MERGE_3D_0));
+ if (cfg->dsc) {
+ DPU_REG_WRITE(&ctx->hw, CTL_FLUSH, DSC_IDX);
+ DPU_REG_WRITE(c, CTL_DSC_ACTIVE, cfg->dsc);
+ }
+}
+
+static void dpu_hw_ctl_intf_cfg(struct dpu_hw_ctl *ctx,
+ struct dpu_hw_intf_cfg *cfg)
+{
+ struct dpu_hw_blk_reg_map *c = &ctx->hw;
+ u32 intf_cfg = 0;
+
+ intf_cfg |= (cfg->intf & 0xF) << 4;
+
+ if (cfg->mode_3d) {
+ intf_cfg |= BIT(19);
+ intf_cfg |= (cfg->mode_3d - 0x1) << 20;
+ }
+
+ if (cfg->wb)
+ intf_cfg |= (cfg->wb & 0x3) + 2;
+
+ switch (cfg->intf_mode_sel) {
+ case DPU_CTL_MODE_SEL_VID:
+ intf_cfg &= ~BIT(17);
+ intf_cfg &= ~(0x3 << 15);
+ break;
+ case DPU_CTL_MODE_SEL_CMD:
+ intf_cfg |= BIT(17);
+ intf_cfg |= ((cfg->stream_sel & 0x3) << 15);
+ break;
+ default:
+ pr_err("unknown interface type %d\n", cfg->intf_mode_sel);
+ return;
+ }
+
+ DPU_REG_WRITE(c, CTL_TOP, intf_cfg);
+}
+
+static void dpu_hw_ctl_reset_intf_cfg_v1(struct dpu_hw_ctl *ctx,
+ struct dpu_hw_intf_cfg *cfg)
+{
+ struct dpu_hw_blk_reg_map *c = &ctx->hw;
+ u32 intf_active = 0;
+ u32 wb_active = 0;
+ u32 merge3d_active = 0;
+
+ /*
+ * This API resets each portion of the CTL path namely,
+ * clearing the sspps staged on the lm, merge_3d block,
+ * interfaces , writeback etc to ensure clean teardown of the pipeline.
+ * This will be used for writeback to begin with to have a
+ * proper teardown of the writeback session but upon further
+ * validation, this can be extended to all interfaces.
+ */
+ if (cfg->merge_3d) {
+ merge3d_active = DPU_REG_READ(c, CTL_MERGE_3D_ACTIVE);
+ merge3d_active &= ~BIT(cfg->merge_3d - MERGE_3D_0);
+ DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE,
+ merge3d_active);
+ }
+
+ dpu_hw_ctl_clear_all_blendstages(ctx);
+
+ if (cfg->intf) {
+ intf_active = DPU_REG_READ(c, CTL_INTF_ACTIVE);
+ intf_active &= ~BIT(cfg->intf - INTF_0);
+ DPU_REG_WRITE(c, CTL_INTF_ACTIVE, intf_active);
+ }
+
+ if (cfg->wb) {
+ wb_active = DPU_REG_READ(c, CTL_WB_ACTIVE);
+ wb_active &= ~BIT(cfg->wb - WB_0);
+ DPU_REG_WRITE(c, CTL_WB_ACTIVE, wb_active);
+ }
+}
+
+static void dpu_hw_ctl_set_fetch_pipe_active(struct dpu_hw_ctl *ctx,
+ unsigned long *fetch_active)
+{
+ int i;
+ u32 val = 0;
+
+ if (fetch_active) {
+ for (i = 0; i < SSPP_MAX; i++) {
+ if (test_bit(i, fetch_active) &&
+ fetch_tbl[i] != CTL_INVALID_BIT)
+ val |= BIT(fetch_tbl[i]);
+ }
+ }
+
+ DPU_REG_WRITE(&ctx->hw, CTL_FETCH_PIPE_ACTIVE, val);
+}
+
+static void _setup_ctl_ops(struct dpu_hw_ctl_ops *ops,
+ unsigned long cap)
+{
+ if (cap & BIT(DPU_CTL_ACTIVE_CFG)) {
+ ops->trigger_flush = dpu_hw_ctl_trigger_flush_v1;
+ ops->setup_intf_cfg = dpu_hw_ctl_intf_cfg_v1;
+ ops->reset_intf_cfg = dpu_hw_ctl_reset_intf_cfg_v1;
+ ops->update_pending_flush_intf =
+ dpu_hw_ctl_update_pending_flush_intf_v1;
+ ops->update_pending_flush_merge_3d =
+ dpu_hw_ctl_update_pending_flush_merge_3d_v1;
+ ops->update_pending_flush_wb = dpu_hw_ctl_update_pending_flush_wb_v1;
+ } else {
+ ops->trigger_flush = dpu_hw_ctl_trigger_flush;
+ ops->setup_intf_cfg = dpu_hw_ctl_intf_cfg;
+ ops->update_pending_flush_intf =
+ dpu_hw_ctl_update_pending_flush_intf;
+ ops->update_pending_flush_wb = dpu_hw_ctl_update_pending_flush_wb;
+ }
+ ops->clear_pending_flush = dpu_hw_ctl_clear_pending_flush;
+ ops->update_pending_flush = dpu_hw_ctl_update_pending_flush;
+ ops->get_pending_flush = dpu_hw_ctl_get_pending_flush;
+ ops->get_flush_register = dpu_hw_ctl_get_flush_register;
+ ops->trigger_start = dpu_hw_ctl_trigger_start;
+ ops->is_started = dpu_hw_ctl_is_started;
+ ops->trigger_pending = dpu_hw_ctl_trigger_pending;
+ ops->reset = dpu_hw_ctl_reset_control;
+ ops->wait_reset_status = dpu_hw_ctl_wait_reset_status;
+ ops->clear_all_blendstages = dpu_hw_ctl_clear_all_blendstages;
+ ops->setup_blendstage = dpu_hw_ctl_setup_blendstage;
+ ops->update_pending_flush_sspp = dpu_hw_ctl_update_pending_flush_sspp;
+ ops->update_pending_flush_mixer = dpu_hw_ctl_update_pending_flush_mixer;
+ ops->update_pending_flush_dspp = dpu_hw_ctl_update_pending_flush_dspp;
+ if (cap & BIT(DPU_CTL_FETCH_ACTIVE))
+ ops->set_active_pipes = dpu_hw_ctl_set_fetch_pipe_active;
+};
+
+struct dpu_hw_ctl *dpu_hw_ctl_init(enum dpu_ctl idx,
+ void __iomem *addr,
+ const struct dpu_mdss_cfg *m)
+{
+ struct dpu_hw_ctl *c;
+ const struct dpu_ctl_cfg *cfg;
+
+ c = kzalloc(sizeof(*c), GFP_KERNEL);
+ if (!c)
+ return ERR_PTR(-ENOMEM);
+
+ cfg = _ctl_offset(idx, m, addr, &c->hw);
+ if (IS_ERR_OR_NULL(cfg)) {
+ kfree(c);
+ pr_err("failed to create dpu_hw_ctl %d\n", idx);
+ return ERR_PTR(-EINVAL);
+ }
+
+ c->caps = cfg;
+ _setup_ctl_ops(&c->ops, c->caps->features);
+ c->idx = idx;
+ c->mixer_count = m->mixer_count;
+ c->mixer_hw_caps = m->mixer;
+
+ return c;
+}
+
+void dpu_hw_ctl_destroy(struct dpu_hw_ctl *ctx)
+{
+ kfree(ctx);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-05 11:59:57 +0000