diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c')
-rw-r--r-- | drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 190 |
1 files changed, 146 insertions, 44 deletions
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c index 7c23d4c47338..cb297b08458e 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c @@ -83,7 +83,7 @@ struct dsi_pll_7nm { #define to_pll_7nm(x) container_of(x, struct dsi_pll_7nm, clk_hw) /* - * Global list of private DSI PLL struct pointers. We need this for Dual DSI + * Global list of private DSI PLL struct pointers. We need this for bonded DSI * mode, where the master PLL's clk_ops needs access the slave's private data */ static struct dsi_pll_7nm *pll_7nm_list[DSI_MAX]; @@ -256,7 +256,7 @@ static void dsi_pll_commit(struct dsi_pll_7nm *pll, struct dsi_pll_config *confi (config->frac_div_start & 0x30000) >> 16); dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_LOCKDET_RATE_1, 0x40); dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_LOCK_DELAY, 0x06); - dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_CMODE_1, 0x10); /* TODO: 0x00 for CPHY */ + dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_CMODE_1, pll->phy->cphy_mode ? 0x00 : 0x10); dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_CLOCK_INVERTERS, config->pll_clock_inverters); } @@ -642,7 +642,8 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide /* DSI Byte clock = VCO_CLK / OUT_DIV / BIT_DIV / 8 */ hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, - CLK_SET_RATE_PARENT, 1, 8); + CLK_SET_RATE_PARENT, 1, + pll_7nm->phy->cphy_mode ? 7 : 8); if (IS_ERR(hw)) { ret = PTR_ERR(hw); goto fail; @@ -663,32 +664,47 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide snprintf(clk_name, 32, "dsi%d_pll_post_out_div_clk", pll_7nm->phy->id); snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_7nm->phy->id); - hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, - 0, 1, 4); + if (pll_7nm->phy->cphy_mode) + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, 0, 2, 7); + else + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, 0, 1, 4); if (IS_ERR(hw)) { ret = PTR_ERR(hw); goto fail; } - snprintf(clk_name, 32, "dsi%d_pclk_mux", pll_7nm->phy->id); - snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_7nm->phy->id); - snprintf(parent2, 32, "dsi%d_pll_by_2_bit_clk", pll_7nm->phy->id); - snprintf(parent3, 32, "dsi%d_pll_out_div_clk", pll_7nm->phy->id); - snprintf(parent4, 32, "dsi%d_pll_post_out_div_clk", pll_7nm->phy->id); - - hw = devm_clk_hw_register_mux(dev, clk_name, - ((const char *[]){ - parent, parent2, parent3, parent4 - }), 4, 0, pll_7nm->phy->base + - REG_DSI_7nm_PHY_CMN_CLK_CFG1, - 0, 2, 0, NULL); - if (IS_ERR(hw)) { - ret = PTR_ERR(hw); - goto fail; + /* in CPHY mode, pclk_mux will always have post_out_div as parent + * don't register a pclk_mux clock and just use post_out_div instead + */ + if (pll_7nm->phy->cphy_mode) { + u32 data; + + data = dsi_phy_read(pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1); + dsi_phy_write(pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1, data | 3); + + snprintf(parent, 32, "dsi%d_pll_post_out_div_clk", pll_7nm->phy->id); + } else { + snprintf(clk_name, 32, "dsi%d_pclk_mux", pll_7nm->phy->id); + snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_7nm->phy->id); + snprintf(parent2, 32, "dsi%d_pll_by_2_bit_clk", pll_7nm->phy->id); + snprintf(parent3, 32, "dsi%d_pll_out_div_clk", pll_7nm->phy->id); + snprintf(parent4, 32, "dsi%d_pll_post_out_div_clk", pll_7nm->phy->id); + + hw = devm_clk_hw_register_mux(dev, clk_name, + ((const char *[]){ + parent, parent2, parent3, parent4 + }), 4, 0, pll_7nm->phy->base + + REG_DSI_7nm_PHY_CMN_CLK_CFG1, + 0, 2, 0, NULL); + if (IS_ERR(hw)) { + ret = PTR_ERR(hw); + goto fail; + } + + snprintf(parent, 32, "dsi%d_pclk_mux", pll_7nm->phy->id); } snprintf(clk_name, 32, "dsi%d_phy_pll_out_dsiclk", pll_7nm->phy->id); - snprintf(parent, 32, "dsi%d_pclk_mux", pll_7nm->phy->id); /* PIX CLK DIV : DIV_CTRL_7_4*/ hw = devm_clk_hw_register_divider(dev, clk_name, parent, @@ -813,15 +829,21 @@ static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, struct msm_dsi_dphy_timing *timing = &phy->timing; void __iomem *base = phy->base; bool less_than_1500_mhz; - u32 vreg_ctrl_0, glbl_str_swi_cal_sel_ctrl, glbl_hstx_str_ctrl_0; + u32 vreg_ctrl_0, vreg_ctrl_1, lane_ctrl0; + u32 glbl_pemph_ctrl_0; + u32 glbl_str_swi_cal_sel_ctrl, glbl_hstx_str_ctrl_0; u32 glbl_rescode_top_ctrl, glbl_rescode_bot_ctrl; u32 data; DBG(""); - if (msm_dsi_dphy_timing_calc_v4(timing, clk_req)) { + if (phy->cphy_mode) + ret = msm_dsi_cphy_timing_calc_v4(timing, clk_req); + else + ret = msm_dsi_dphy_timing_calc_v4(timing, clk_req); + if (ret) { DRM_DEV_ERROR(&phy->pdev->dev, - "%s: D-PHY timing calculation failed\n", __func__); + "%s: PHY timing calculation failed\n", __func__); return -EINVAL; } @@ -842,6 +864,10 @@ static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, /* Alter PHY configurations if data rate less than 1.5GHZ*/ less_than_1500_mhz = (clk_req->bitclk_rate <= 1500000000); + /* For C-PHY, no low power settings for lower clk rate */ + if (phy->cphy_mode) + less_than_1500_mhz = false; + if (phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1) { vreg_ctrl_0 = less_than_1500_mhz ? 0x53 : 0x52; glbl_rescode_top_ctrl = less_than_1500_mhz ? 0x3d : 0x00; @@ -856,6 +882,17 @@ static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, glbl_rescode_bot_ctrl = 0x3c; } + if (phy->cphy_mode) { + vreg_ctrl_0 = 0x51; + vreg_ctrl_1 = 0x55; + glbl_pemph_ctrl_0 = 0x11; + lane_ctrl0 = 0x17; + } else { + vreg_ctrl_1 = 0x5c; + glbl_pemph_ctrl_0 = 0x00; + lane_ctrl0 = 0x1f; + } + /* de-assert digital and pll power down */ data = BIT(6) | BIT(5); dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_0, data); @@ -876,15 +913,22 @@ static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CFG0, 0x21); dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CFG1, 0x84); + if (phy->cphy_mode) + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_CTRL, BIT(6)); + /* Enable LDO */ dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_VREG_CTRL_0, vreg_ctrl_0); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_VREG_CTRL_1, 0x5c); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_VREG_CTRL_1, vreg_ctrl_1); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_3, 0x00); dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_STR_SWI_CAL_SEL_CTRL, glbl_str_swi_cal_sel_ctrl); dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_HSTX_STR_CTRL_0, glbl_hstx_str_ctrl_0); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_PEMPH_CTRL_0, 0x00); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_PEMPH_CTRL_0, + glbl_pemph_ctrl_0); + if (phy->cphy_mode) + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_PEMPH_CTRL_1, 0x01); dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_RESCODE_OFFSET_TOP_CTRL, glbl_rescode_top_ctrl); dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_RESCODE_OFFSET_BOT_CTRL, @@ -894,10 +938,11 @@ static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, /* Remove power down from all blocks */ dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_0, 0x7f); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CTRL0, 0x1f); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CTRL0, lane_ctrl0); /* Select full-rate mode */ - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_2, 0x40); + if (!phy->cphy_mode) + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_2, 0x40); ret = dsi_7nm_set_usecase(phy); if (ret) { @@ -907,22 +952,36 @@ static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, } /* DSI PHY timings */ - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_0, 0x00); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_1, timing->clk_zero); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_2, timing->clk_prepare); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_3, timing->clk_trail); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_4, timing->hs_exit); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_5, timing->hs_zero); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_6, timing->hs_prepare); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_7, timing->hs_trail); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_8, timing->hs_rqst); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_9, 0x02); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_10, 0x04); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_11, 0x00); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_12, - timing->shared_timings.clk_pre); - dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_13, - timing->shared_timings.clk_post); + if (phy->cphy_mode) { + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_0, 0x00); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_4, timing->hs_exit); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_5, + timing->shared_timings.clk_pre); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_6, timing->clk_prepare); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_7, + timing->shared_timings.clk_post); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_8, timing->hs_rqst); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_9, 0x02); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_10, 0x04); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_11, 0x00); + } else { + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_0, 0x00); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_1, timing->clk_zero); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_2, timing->clk_prepare); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_3, timing->clk_trail); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_4, timing->hs_exit); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_5, timing->hs_zero); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_6, timing->hs_prepare); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_7, timing->hs_trail); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_8, timing->hs_rqst); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_9, 0x02); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_10, 0x04); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_11, 0x00); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_12, + timing->shared_timings.clk_pre); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_13, + timing->shared_timings.clk_post); + } /* DSI lane settings */ dsi_phy_hw_v4_0_lane_settings(phy); @@ -932,6 +991,21 @@ static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, return 0; } +static bool dsi_7nm_set_continuous_clock(struct msm_dsi_phy *phy, bool enable) +{ + void __iomem *base = phy->base; + u32 data; + + data = dsi_phy_read(base + REG_DSI_7nm_PHY_CMN_LANE_CTRL1); + if (enable) + data |= BIT(5) | BIT(6); + else + data &= ~(BIT(5) | BIT(6)); + dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CTRL1, data); + + return enable; +} + static void dsi_7nm_phy_disable(struct msm_dsi_phy *phy) { void __iomem *base = phy->base; @@ -972,6 +1046,7 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs = { .pll_init = dsi_pll_7nm_init, .save_pll_state = dsi_7nm_pll_save_state, .restore_pll_state = dsi_7nm_pll_restore_state, + .set_continuous_clock = dsi_7nm_set_continuous_clock, }, .min_pll_rate = 600000000UL, #ifdef CONFIG_64BIT @@ -998,9 +1073,36 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs = { .pll_init = dsi_pll_7nm_init, .save_pll_state = dsi_7nm_pll_save_state, .restore_pll_state = dsi_7nm_pll_restore_state, + .set_continuous_clock = dsi_7nm_set_continuous_clock, }, .min_pll_rate = 1000000000UL, .max_pll_rate = 3500000000UL, .io_start = { 0xae94400, 0xae96400 }, .num_dsi_phy = 2, }; + +const struct msm_dsi_phy_cfg dsi_phy_7nm_7280_cfgs = { + .has_phy_lane = true, + .reg_cfg = { + .num = 1, + .regs = { + {"vdds", 37550, 0}, + }, + }, + .ops = { + .enable = dsi_7nm_phy_enable, + .disable = dsi_7nm_phy_disable, + .pll_init = dsi_pll_7nm_init, + .save_pll_state = dsi_7nm_pll_save_state, + .restore_pll_state = dsi_7nm_pll_restore_state, + }, + .min_pll_rate = 600000000UL, +#ifdef CONFIG_64BIT + .max_pll_rate = 5000000000ULL, +#else + .max_pll_rate = ULONG_MAX, +#endif + .io_start = { 0xae94400 }, + .num_dsi_phy = 1, + .quirks = DSI_PHY_7NM_QUIRK_V4_1, +}; |