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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_top.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_top.c')
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c new file mode 100644 index 0000000000..cff48763ce --- /dev/null +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c @@ -0,0 +1,300 @@ +// 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_top.h" +#include "dpu_kms.h" + +#define FLD_SPLIT_DISPLAY_CMD BIT(1) +#define FLD_SMART_PANEL_FREE_RUN BIT(2) +#define FLD_INTF_1_SW_TRG_MUX BIT(4) +#define FLD_INTF_2_SW_TRG_MUX BIT(8) +#define FLD_TE_LINE_INTER_WATERLEVEL_MASK 0xFFFF + +#define TRAFFIC_SHAPER_EN BIT(31) +#define TRAFFIC_SHAPER_RD_CLIENT(num) (0x030 + (num * 4)) +#define TRAFFIC_SHAPER_WR_CLIENT(num) (0x060 + (num * 4)) +#define TRAFFIC_SHAPER_FIXPOINT_FACTOR 4 + +#define MDP_TICK_COUNT 16 +#define XO_CLK_RATE 19200 +#define MS_TICKS_IN_SEC 1000 + +#define CALCULATE_WD_LOAD_VALUE(fps) \ + ((uint32_t)((MS_TICKS_IN_SEC * XO_CLK_RATE)/(MDP_TICK_COUNT * fps))) + +static void dpu_hw_setup_split_pipe(struct dpu_hw_mdp *mdp, + struct split_pipe_cfg *cfg) +{ + struct dpu_hw_blk_reg_map *c; + u32 upper_pipe = 0; + u32 lower_pipe = 0; + + if (!mdp || !cfg) + return; + + c = &mdp->hw; + + if (cfg->en) { + if (cfg->mode == INTF_MODE_CMD) { + lower_pipe = FLD_SPLIT_DISPLAY_CMD; + /* interface controlling sw trigger */ + if (cfg->intf == INTF_2) + lower_pipe |= FLD_INTF_1_SW_TRG_MUX; + else + lower_pipe |= FLD_INTF_2_SW_TRG_MUX; + upper_pipe = lower_pipe; + } else { + if (cfg->intf == INTF_2) { + lower_pipe = FLD_INTF_1_SW_TRG_MUX; + upper_pipe = FLD_INTF_2_SW_TRG_MUX; + } else { + lower_pipe = FLD_INTF_2_SW_TRG_MUX; + upper_pipe = FLD_INTF_1_SW_TRG_MUX; + } + } + } + + DPU_REG_WRITE(c, SSPP_SPARE, cfg->split_flush_en ? 0x1 : 0x0); + DPU_REG_WRITE(c, SPLIT_DISPLAY_LOWER_PIPE_CTRL, lower_pipe); + DPU_REG_WRITE(c, SPLIT_DISPLAY_UPPER_PIPE_CTRL, upper_pipe); + DPU_REG_WRITE(c, SPLIT_DISPLAY_EN, cfg->en & 0x1); +} + +static bool dpu_hw_setup_clk_force_ctrl(struct dpu_hw_mdp *mdp, + enum dpu_clk_ctrl_type clk_ctrl, bool enable) +{ + struct dpu_hw_blk_reg_map *c; + u32 reg_off, bit_off; + u32 reg_val, new_val; + bool clk_forced_on; + + if (!mdp) + return false; + + c = &mdp->hw; + + if (clk_ctrl <= DPU_CLK_CTRL_NONE || clk_ctrl >= DPU_CLK_CTRL_MAX) + return false; + + reg_off = mdp->caps->clk_ctrls[clk_ctrl].reg_off; + bit_off = mdp->caps->clk_ctrls[clk_ctrl].bit_off; + + reg_val = DPU_REG_READ(c, reg_off); + + if (enable) + new_val = reg_val | BIT(bit_off); + else + new_val = reg_val & ~BIT(bit_off); + + DPU_REG_WRITE(c, reg_off, new_val); + + clk_forced_on = !(reg_val & BIT(bit_off)); + + return clk_forced_on; +} + + +static void dpu_hw_get_danger_status(struct dpu_hw_mdp *mdp, + struct dpu_danger_safe_status *status) +{ + struct dpu_hw_blk_reg_map *c; + u32 value; + + if (!mdp || !status) + return; + + c = &mdp->hw; + + value = DPU_REG_READ(c, DANGER_STATUS); + status->mdp = (value >> 0) & 0x3; + status->sspp[SSPP_VIG0] = (value >> 4) & 0x3; + status->sspp[SSPP_VIG1] = (value >> 6) & 0x3; + status->sspp[SSPP_VIG2] = (value >> 8) & 0x3; + status->sspp[SSPP_VIG3] = (value >> 10) & 0x3; + status->sspp[SSPP_RGB0] = (value >> 12) & 0x3; + status->sspp[SSPP_RGB1] = (value >> 14) & 0x3; + status->sspp[SSPP_RGB2] = (value >> 16) & 0x3; + status->sspp[SSPP_RGB3] = (value >> 18) & 0x3; + status->sspp[SSPP_DMA0] = (value >> 20) & 0x3; + status->sspp[SSPP_DMA1] = (value >> 22) & 0x3; + status->sspp[SSPP_DMA2] = (value >> 28) & 0x3; + status->sspp[SSPP_DMA3] = (value >> 30) & 0x3; + status->sspp[SSPP_CURSOR0] = (value >> 24) & 0x3; + status->sspp[SSPP_CURSOR1] = (value >> 26) & 0x3; +} + +static void dpu_hw_setup_vsync_source(struct dpu_hw_mdp *mdp, + struct dpu_vsync_source_cfg *cfg) +{ + struct dpu_hw_blk_reg_map *c; + u32 reg, wd_load_value, wd_ctl, wd_ctl2; + + if (!mdp || !cfg) + return; + + c = &mdp->hw; + + if (cfg->vsync_source >= DPU_VSYNC_SOURCE_WD_TIMER_4 && + cfg->vsync_source <= DPU_VSYNC_SOURCE_WD_TIMER_0) { + switch (cfg->vsync_source) { + case DPU_VSYNC_SOURCE_WD_TIMER_4: + wd_load_value = MDP_WD_TIMER_4_LOAD_VALUE; + wd_ctl = MDP_WD_TIMER_4_CTL; + wd_ctl2 = MDP_WD_TIMER_4_CTL2; + break; + case DPU_VSYNC_SOURCE_WD_TIMER_3: + wd_load_value = MDP_WD_TIMER_3_LOAD_VALUE; + wd_ctl = MDP_WD_TIMER_3_CTL; + wd_ctl2 = MDP_WD_TIMER_3_CTL2; + break; + case DPU_VSYNC_SOURCE_WD_TIMER_2: + wd_load_value = MDP_WD_TIMER_2_LOAD_VALUE; + wd_ctl = MDP_WD_TIMER_2_CTL; + wd_ctl2 = MDP_WD_TIMER_2_CTL2; + break; + case DPU_VSYNC_SOURCE_WD_TIMER_1: + wd_load_value = MDP_WD_TIMER_1_LOAD_VALUE; + wd_ctl = MDP_WD_TIMER_1_CTL; + wd_ctl2 = MDP_WD_TIMER_1_CTL2; + break; + case DPU_VSYNC_SOURCE_WD_TIMER_0: + default: + wd_load_value = MDP_WD_TIMER_0_LOAD_VALUE; + wd_ctl = MDP_WD_TIMER_0_CTL; + wd_ctl2 = MDP_WD_TIMER_0_CTL2; + break; + } + + DPU_REG_WRITE(c, wd_load_value, + CALCULATE_WD_LOAD_VALUE(cfg->frame_rate)); + + DPU_REG_WRITE(c, wd_ctl, BIT(0)); /* clear timer */ + reg = DPU_REG_READ(c, wd_ctl2); + reg |= BIT(8); /* enable heartbeat timer */ + reg |= BIT(0); /* enable WD timer */ + DPU_REG_WRITE(c, wd_ctl2, reg); + + /* make sure that timers are enabled/disabled for vsync state */ + wmb(); + } +} + +static void dpu_hw_setup_vsync_source_and_vsync_sel(struct dpu_hw_mdp *mdp, + struct dpu_vsync_source_cfg *cfg) +{ + struct dpu_hw_blk_reg_map *c; + u32 reg, i; + static const u32 pp_offset[PINGPONG_MAX] = {0xC, 0x8, 0x4, 0x13, 0x18}; + + if (!mdp || !cfg || (cfg->pp_count > ARRAY_SIZE(cfg->ppnumber))) + return; + + c = &mdp->hw; + + reg = DPU_REG_READ(c, MDP_VSYNC_SEL); + for (i = 0; i < cfg->pp_count; i++) { + int pp_idx = cfg->ppnumber[i] - PINGPONG_0; + + if (pp_idx >= ARRAY_SIZE(pp_offset)) + continue; + + reg &= ~(0xf << pp_offset[pp_idx]); + reg |= (cfg->vsync_source & 0xf) << pp_offset[pp_idx]; + } + DPU_REG_WRITE(c, MDP_VSYNC_SEL, reg); + + dpu_hw_setup_vsync_source(mdp, cfg); +} + +static void dpu_hw_get_safe_status(struct dpu_hw_mdp *mdp, + struct dpu_danger_safe_status *status) +{ + struct dpu_hw_blk_reg_map *c; + u32 value; + + if (!mdp || !status) + return; + + c = &mdp->hw; + + value = DPU_REG_READ(c, SAFE_STATUS); + status->mdp = (value >> 0) & 0x1; + status->sspp[SSPP_VIG0] = (value >> 4) & 0x1; + status->sspp[SSPP_VIG1] = (value >> 6) & 0x1; + status->sspp[SSPP_VIG2] = (value >> 8) & 0x1; + status->sspp[SSPP_VIG3] = (value >> 10) & 0x1; + status->sspp[SSPP_RGB0] = (value >> 12) & 0x1; + status->sspp[SSPP_RGB1] = (value >> 14) & 0x1; + status->sspp[SSPP_RGB2] = (value >> 16) & 0x1; + status->sspp[SSPP_RGB3] = (value >> 18) & 0x1; + status->sspp[SSPP_DMA0] = (value >> 20) & 0x1; + status->sspp[SSPP_DMA1] = (value >> 22) & 0x1; + status->sspp[SSPP_DMA2] = (value >> 28) & 0x1; + status->sspp[SSPP_DMA3] = (value >> 30) & 0x1; + status->sspp[SSPP_CURSOR0] = (value >> 24) & 0x1; + status->sspp[SSPP_CURSOR1] = (value >> 26) & 0x1; +} + +static void dpu_hw_intf_audio_select(struct dpu_hw_mdp *mdp) +{ + struct dpu_hw_blk_reg_map *c; + + if (!mdp) + return; + + c = &mdp->hw; + + DPU_REG_WRITE(c, HDMI_DP_CORE_SELECT, 0x1); +} + +static void _setup_mdp_ops(struct dpu_hw_mdp_ops *ops, + unsigned long cap) +{ + ops->setup_split_pipe = dpu_hw_setup_split_pipe; + ops->setup_clk_force_ctrl = dpu_hw_setup_clk_force_ctrl; + ops->get_danger_status = dpu_hw_get_danger_status; + + if (cap & BIT(DPU_MDP_VSYNC_SEL)) + ops->setup_vsync_source = dpu_hw_setup_vsync_source_and_vsync_sel; + else + ops->setup_vsync_source = dpu_hw_setup_vsync_source; + + ops->get_safe_status = dpu_hw_get_safe_status; + + if (cap & BIT(DPU_MDP_AUDIO_SELECT)) + ops->intf_audio_select = dpu_hw_intf_audio_select; +} + +struct dpu_hw_mdp *dpu_hw_mdptop_init(const struct dpu_mdp_cfg *cfg, + void __iomem *addr, + const struct dpu_mdss_cfg *m) +{ + struct dpu_hw_mdp *mdp; + + if (!addr) + return ERR_PTR(-EINVAL); + + mdp = kzalloc(sizeof(*mdp), GFP_KERNEL); + if (!mdp) + return ERR_PTR(-ENOMEM); + + mdp->hw.blk_addr = addr + cfg->base; + mdp->hw.log_mask = DPU_DBG_MASK_TOP; + + /* + * Assign ops + */ + mdp->caps = cfg; + _setup_mdp_ops(&mdp->ops, mdp->caps->features); + + return mdp; +} + +void dpu_hw_mdp_destroy(struct dpu_hw_mdp *mdp) +{ + kfree(mdp); +} + |