diff options
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 | 139 |
1 files changed, 66 insertions, 73 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 index 963bdb5e0252..96dc10589bee 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c @@ -2,6 +2,10 @@ /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. */ +#include <linux/bitfield.h> + +#include <drm/drm_managed.h> + #include "dpu_hwio.h" #include "dpu_hw_catalog.h" #include "dpu_hw_top.h" @@ -66,34 +70,13 @@ static void dpu_hw_setup_split_pipe(struct dpu_hw_mdp *mdp, 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; + return dpu_hw_clk_force_ctrl(&mdp->hw, &mdp->caps->clk_ctrls[clk_ctrl], enable); } @@ -126,8 +109,8 @@ static void dpu_hw_get_danger_status(struct dpu_hw_mdp *mdp, 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) +static void dpu_hw_setup_wd_timer(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; @@ -182,8 +165,8 @@ static void dpu_hw_setup_vsync_source(struct dpu_hw_mdp *mdp, } } -static void dpu_hw_setup_vsync_source_and_vsync_sel(struct dpu_hw_mdp *mdp, - struct dpu_vsync_source_cfg *cfg) +static void dpu_hw_setup_vsync_sel(struct dpu_hw_mdp *mdp, + struct dpu_vsync_source_cfg *cfg) { struct dpu_hw_blk_reg_map *c; u32 reg, i; @@ -206,7 +189,7 @@ static void dpu_hw_setup_vsync_source_and_vsync_sel(struct dpu_hw_mdp *mdp, } DPU_REG_WRITE(c, MDP_VSYNC_SEL, reg); - dpu_hw_setup_vsync_source(mdp, cfg); + dpu_hw_setup_wd_timer(mdp, cfg); } static void dpu_hw_get_safe_status(struct dpu_hw_mdp *mdp, @@ -250,77 +233,87 @@ static void dpu_hw_intf_audio_select(struct dpu_hw_mdp *mdp) DPU_REG_WRITE(c, HDMI_DP_CORE_SELECT, 0x1); } -static void _setup_mdp_ops(struct dpu_hw_mdp_ops *ops, - unsigned long cap) +static void dpu_hw_dp_phy_intf_sel(struct dpu_hw_mdp *mdp, + enum dpu_dp_phy_sel phys[2]) { - 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; + struct dpu_hw_blk_reg_map *c = &mdp->hw; + unsigned int intf; + u32 sel = 0; - 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; + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_INTF0, phys[0]); + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_INTF1, phys[1]); - ops->get_safe_status = dpu_hw_get_safe_status; + for (intf = 0; intf < 2; intf++) { + switch (phys[intf]) { + case DPU_DP_PHY_0: + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_PHY0, intf + 1); + break; + case DPU_DP_PHY_1: + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_PHY1, intf + 1); + break; + case DPU_DP_PHY_2: + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_PHY2, intf + 1); + break; + default: + /* ignore */ + break; + } + } - if (cap & BIT(DPU_MDP_AUDIO_SELECT)) - ops->intf_audio_select = dpu_hw_intf_audio_select; + DPU_REG_WRITE(c, MDP_DP_PHY_INTF_SEL, sel); } -static const struct dpu_mdp_cfg *_top_offset(enum dpu_mdp mdp, - const struct dpu_mdss_cfg *m, - void __iomem *addr, - struct dpu_hw_blk_reg_map *b) +static void _setup_mdp_ops(struct dpu_hw_mdp_ops *ops, + const struct dpu_mdss_version *mdss_rev) { - int i; + 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 (!m || !addr || !b) - return ERR_PTR(-EINVAL); + if (mdss_rev->core_major_ver < 5) + ops->setup_vsync_source = dpu_hw_setup_vsync_sel; + else if (mdss_rev->core_major_ver < 8) + ops->setup_vsync_source = dpu_hw_setup_wd_timer; - for (i = 0; i < m->mdp_count; i++) { - if (mdp == m->mdp[i].id) { - b->blk_addr = addr + m->mdp[i].base; - b->log_mask = DPU_DBG_MASK_TOP; - return &m->mdp[i]; - } - } + ops->get_safe_status = dpu_hw_get_safe_status; + + if (mdss_rev->core_major_ver >= 5) + ops->dp_phy_intf_sel = dpu_hw_dp_phy_intf_sel; - return ERR_PTR(-EINVAL); + if (mdss_rev->core_major_ver == 4 || + mdss_rev->core_major_ver == 5) + ops->intf_audio_select = dpu_hw_intf_audio_select; } -struct dpu_hw_mdp *dpu_hw_mdptop_init(enum dpu_mdp idx, - void __iomem *addr, - const struct dpu_mdss_cfg *m) +/** + * dpu_hw_mdptop_init - initializes the top driver for the passed config + * @dev: Corresponding device for devres management + * @cfg: MDP TOP configuration from catalog + * @addr: Mapped register io address of MDP + * @mdss_rev: dpu core's major and minor versions + */ +struct dpu_hw_mdp *dpu_hw_mdptop_init(struct drm_device *dev, + const struct dpu_mdp_cfg *cfg, + void __iomem *addr, + const struct dpu_mdss_version *mdss_rev) { struct dpu_hw_mdp *mdp; - const struct dpu_mdp_cfg *cfg; - if (!addr || !m) + if (!addr) return ERR_PTR(-EINVAL); - mdp = kzalloc(sizeof(*mdp), GFP_KERNEL); + mdp = drmm_kzalloc(dev, sizeof(*mdp), GFP_KERNEL); if (!mdp) return ERR_PTR(-ENOMEM); - cfg = _top_offset(idx, m, addr, &mdp->hw); - if (IS_ERR_OR_NULL(cfg)) { - kfree(mdp); - return ERR_PTR(-EINVAL); - } + mdp->hw.blk_addr = addr + cfg->base; + mdp->hw.log_mask = DPU_DBG_MASK_TOP; /* * Assign ops */ - mdp->idx = idx; mdp->caps = cfg; - _setup_mdp_ops(&mdp->ops, mdp->caps->features); + _setup_mdp_ops(&mdp->ops, mdss_rev); return mdp; } - -void dpu_hw_mdp_destroy(struct dpu_hw_mdp *mdp) -{ - kfree(mdp); -} - |
