| /* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include "sde_hwio.h" |
| #include "sde_hw_catalog.h" |
| #include "sde_hw_top.h" |
| |
| #define SSPP_SPARE 0x28 |
| |
| #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 TE_LINE_INTERVAL 0x3F4 |
| |
| #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 |
| |
| static void sde_hw_setup_split_pipe_control(struct sde_hw_mdp *mdp, |
| struct split_pipe_cfg *cfg) |
| { |
| struct sde_hw_blk_reg_map *c = &mdp->hw; |
| u32 upper_pipe = 0; |
| u32 lower_pipe = 0; |
| |
| 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; |
| |
| /* free run */ |
| if (cfg->pp_split) |
| lower_pipe = FLD_SMART_PANEL_FREE_RUN; |
| |
| 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; |
| } |
| } |
| } |
| |
| SDE_REG_WRITE(c, SSPP_SPARE, (cfg->split_flush_en) ? 0x1 : 0x0); |
| SDE_REG_WRITE(c, SPLIT_DISPLAY_LOWER_PIPE_CTRL, lower_pipe); |
| SDE_REG_WRITE(c, SPLIT_DISPLAY_UPPER_PIPE_CTRL, upper_pipe); |
| SDE_REG_WRITE(c, SPLIT_DISPLAY_EN, cfg->en & 0x1); |
| } |
| |
| static void sde_hw_setup_cdm_output(struct sde_hw_mdp *mdp, |
| struct cdm_output_cfg *cfg) |
| { |
| struct sde_hw_blk_reg_map *c = &mdp->hw; |
| u32 out_ctl = 0; |
| |
| if (cfg->wb_en) |
| out_ctl |= BIT(24); |
| else if (cfg->intf_en) |
| out_ctl |= BIT(19); |
| |
| SDE_REG_WRITE(c, MDP_OUT_CTL_0, out_ctl); |
| } |
| |
| static bool sde_hw_setup_clk_force_ctrl(struct sde_hw_mdp *mdp, |
| enum sde_clk_ctrl_type clk_ctrl, bool enable) |
| { |
| struct sde_hw_blk_reg_map *c = &mdp->hw; |
| u32 reg_off, bit_off; |
| u32 reg_val, new_val; |
| bool clk_forced_on; |
| |
| if (clk_ctrl <= SDE_CLK_CTRL_NONE || clk_ctrl >= SDE_CLK_CTRL_MAX) |
| return false; |
| |
| reg_off = mdp->cap->clk_ctrls[clk_ctrl].reg_off; |
| bit_off = mdp->cap->clk_ctrls[clk_ctrl].bit_off; |
| |
| reg_val = SDE_REG_READ(c, reg_off); |
| |
| if (enable) |
| new_val = reg_val | BIT(bit_off); |
| else |
| new_val = reg_val & ~BIT(bit_off); |
| |
| SDE_REG_WRITE(c, reg_off, new_val); |
| |
| clk_forced_on = !(reg_val & BIT(bit_off)); |
| |
| return clk_forced_on; |
| } |
| |
| static void _setup_mdp_ops(struct sde_hw_mdp_ops *ops, |
| unsigned long cap) |
| { |
| ops->setup_split_pipe = sde_hw_setup_split_pipe_control; |
| ops->setup_cdm_output = sde_hw_setup_cdm_output; |
| ops->setup_clk_force_ctrl = sde_hw_setup_clk_force_ctrl; |
| } |
| |
| static const struct sde_mdp_cfg *_top_offset(enum sde_mdp mdp, |
| const struct sde_mdss_cfg *m, |
| void __iomem *addr, |
| struct sde_hw_blk_reg_map *b) |
| { |
| int i; |
| |
| for (i = 0; i < m->mdp_count; i++) { |
| if (mdp == m->mdp[i].id) { |
| b->base_off = addr; |
| b->blk_off = m->mdp[i].base; |
| b->hwversion = m->hwversion; |
| b->log_mask = SDE_DBG_MASK_TOP; |
| return &m->mdp[i]; |
| } |
| } |
| |
| return ERR_PTR(-EINVAL); |
| } |
| |
| struct sde_hw_mdp *sde_hw_mdptop_init(enum sde_mdp idx, |
| void __iomem *addr, |
| const struct sde_mdss_cfg *m) |
| { |
| struct sde_hw_mdp *mdp; |
| const struct sde_mdp_cfg *cfg; |
| |
| mdp = kzalloc(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); |
| } |
| |
| /* |
| * Assign ops |
| */ |
| mdp->idx = idx; |
| mdp->cap = cfg; |
| _setup_mdp_ops(&mdp->ops, mdp->cap->features); |
| |
| /* |
| * Perform any default initialization for the intf |
| */ |
| |
| return mdp; |
| } |
| |
| void sde_hw_mdp_destroy(struct sde_hw_mdp *mdp) |
| { |
| kfree(mdp); |
| } |
| |