diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c')
-rw-r--r-- | drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 185 |
1 files changed, 86 insertions, 99 deletions
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c index 08b015ea1b1e..27b592c776a3 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c @@ -188,19 +188,19 @@ static void dsi_pll_ssc_commit(struct dsi_pll_10nm *pll, struct dsi_pll_config * pr_debug("SSC is enabled\n"); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_STEPSIZE_LOW_1, - config->ssc_stepsize & 0xff); + config->ssc_stepsize & 0xff); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_STEPSIZE_HIGH_1, - config->ssc_stepsize >> 8); + config->ssc_stepsize >> 8); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_PER_LOW_1, - config->ssc_div_per & 0xff); + config->ssc_div_per & 0xff); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_PER_HIGH_1, - config->ssc_div_per >> 8); + config->ssc_div_per >> 8); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_ADJPER_LOW_1, - config->ssc_adj_per & 0xff); + config->ssc_adj_per & 0xff); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_ADJPER_HIGH_1, - config->ssc_adj_per >> 8); + config->ssc_adj_per >> 8); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_CONTROL, - SSC_EN | (config->ssc_center ? SSC_CENTER : 0)); + SSC_EN | (config->ssc_center ? SSC_CENTER : 0)); } } @@ -215,16 +215,19 @@ static void dsi_pll_config_hzindep_reg(struct dsi_pll_10nm *pll) dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FEEDBACK_DIVIDER, 0x4e); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CALIBRATION_SETTINGS, 0x40); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_BAND_SEL_CAL_SETTINGS_THREE, - 0xba); - dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FREQ_DETECT_SETTINGS_ONE, 0x0c); + 0xba); + dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FREQ_DETECT_SETTINGS_ONE, + 0x0c); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_OUTDIV, 0x00); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CORE_OVERRIDE, 0x00); - dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_DIGITAL_TIMERS_TWO, 0x08); + dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_DIGITAL_TIMERS_TWO, + 0x08); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_PROP_GAIN_RATE_1, 0x08); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_BAND_SET_RATE_1, 0xc0); - dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1, 0xfa); + dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1, + 0xfa); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_FL_INT_GAIN_PFILT_BAND_1, - 0x4c); + 0x4c); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_LOCK_OVERRIDE, 0x80); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PFILT, 0x29); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_IFILT, 0x3f); @@ -236,18 +239,18 @@ static void dsi_pll_commit(struct dsi_pll_10nm *pll, struct dsi_pll_config *conf dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CORE_INPUT_OVERRIDE, 0x12); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_DECIMAL_DIV_START_1, - config->decimal_div_start); + config->decimal_div_start); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_LOW_1, - config->frac_div_start & 0xff); + config->frac_div_start & 0xff); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_MID_1, - (config->frac_div_start & 0xff00) >> 8); + (config->frac_div_start & 0xff00) >> 8); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_HIGH_1, - (config->frac_div_start & 0x30000) >> 16); + (config->frac_div_start & 0x30000) >> 16); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_LOCKDET_RATE_1, 64); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_LOCK_DELAY, 0x06); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CMODE, 0x10); dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CLOCK_INVERTERS, - config->pll_clock_inverters); + config->pll_clock_inverters); } static int dsi_pll_10nm_vco_set_rate(struct clk_hw *hw, unsigned long rate, @@ -306,7 +309,7 @@ static void dsi_pll_disable_pll_bias(struct dsi_pll_10nm *pll) dsi_phy_write(pll->phy->pll_base + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0); dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0, - data & ~BIT(5)); + data & ~BIT(5)); ndelay(250); } @@ -315,7 +318,7 @@ static void dsi_pll_enable_pll_bias(struct dsi_pll_10nm *pll) u32 data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0); dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0, - data | BIT(5)); + data | BIT(5)); dsi_phy_write(pll->phy->pll_base + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0xc0); ndelay(250); } @@ -326,7 +329,7 @@ static void dsi_pll_disable_global_clk(struct dsi_pll_10nm *pll) data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1); dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1, - data & ~BIT(5)); + data & ~BIT(5)); } static void dsi_pll_enable_global_clk(struct dsi_pll_10nm *pll) @@ -335,7 +338,7 @@ static void dsi_pll_enable_global_clk(struct dsi_pll_10nm *pll) data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1); dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1, - data | BIT(5)); + data | BIT(5)); } static int dsi_pll_10nm_vco_prepare(struct clk_hw *hw) @@ -356,7 +359,7 @@ static int dsi_pll_10nm_vco_prepare(struct clk_hw *hw) /* Start PLL */ dsi_phy_write(pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_PLL_CNTRL, - 0x01); + 0x01); /* * ensure all PLL configurations are written prior to checking @@ -378,10 +381,10 @@ static int dsi_pll_10nm_vco_prepare(struct clk_hw *hw) dsi_pll_enable_global_clk(pll_10nm->slave); dsi_phy_write(pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, - 0x01); + 0x01); if (pll_10nm->slave) dsi_phy_write(pll_10nm->slave->phy->base + - REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0x01); + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0x01); error: return rc; @@ -486,7 +489,7 @@ static void dsi_10nm_pll_save_state(struct msm_dsi_phy *phy) u32 cmn_clk_cfg0, cmn_clk_cfg1; cached->pll_out_div = dsi_phy_read(pll_10nm->phy->pll_base + - REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE); + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE); cached->pll_out_div &= 0x3; cmn_clk_cfg0 = dsi_phy_read(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG0); @@ -515,7 +518,7 @@ static int dsi_10nm_pll_restore_state(struct msm_dsi_phy *phy) dsi_phy_write(pll_10nm->phy->pll_base + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE, val); dsi_phy_write(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG0, - cached->bit_clk_div | (cached->pix_clk_div << 4)); + cached->bit_clk_div | (cached->pix_clk_div << 4)); val = dsi_phy_read(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG1); val &= ~0x3; @@ -571,64 +574,59 @@ static int dsi_10nm_set_usecase(struct msm_dsi_phy *phy) */ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **provided_clocks) { - char clk_name[32], parent[32], vco_name[32]; - char parent2[32], parent3[32], parent4[32]; + char clk_name[32]; struct clk_init_data vco_init = { .parent_data = &(const struct clk_parent_data) { .fw_name = "ref", }, .num_parents = 1, - .name = vco_name, + .name = clk_name, .flags = CLK_IGNORE_UNUSED, .ops = &clk_ops_dsi_pll_10nm_vco, }; struct device *dev = &pll_10nm->phy->pdev->dev; - struct clk_hw *hw; + struct clk_hw *hw, *pll_out_div, *pll_bit, *pll_by_2_bit; + struct clk_hw *pll_post_out_div, *pclk_mux; int ret; DBG("DSI%d", pll_10nm->phy->id); - snprintf(vco_name, 32, "dsi%dvco_clk", pll_10nm->phy->id); + snprintf(clk_name, sizeof(clk_name), "dsi%dvco_clk", pll_10nm->phy->id); pll_10nm->clk_hw.init = &vco_init; ret = devm_clk_hw_register(dev, &pll_10nm->clk_hw); if (ret) return ret; - snprintf(clk_name, 32, "dsi%d_pll_out_div_clk", pll_10nm->phy->id); - snprintf(parent, 32, "dsi%dvco_clk", pll_10nm->phy->id); + snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_out_div_clk", pll_10nm->phy->id); - hw = devm_clk_hw_register_divider(dev, clk_name, - parent, CLK_SET_RATE_PARENT, - pll_10nm->phy->pll_base + - REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE, - 0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL); - if (IS_ERR(hw)) { - ret = PTR_ERR(hw); + pll_out_div = devm_clk_hw_register_divider_parent_hw(dev, clk_name, + &pll_10nm->clk_hw, CLK_SET_RATE_PARENT, + pll_10nm->phy->pll_base + + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE, + 0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL); + if (IS_ERR(pll_out_div)) { + ret = PTR_ERR(pll_out_div); goto fail; } - snprintf(clk_name, 32, "dsi%d_pll_bit_clk", pll_10nm->phy->id); - snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_10nm->phy->id); + snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_bit_clk", pll_10nm->phy->id); /* BIT CLK: DIV_CTRL_3_0 */ - hw = devm_clk_hw_register_divider(dev, clk_name, parent, - CLK_SET_RATE_PARENT, - pll_10nm->phy->base + - REG_DSI_10nm_PHY_CMN_CLK_CFG0, - 0, 4, CLK_DIVIDER_ONE_BASED, - &pll_10nm->postdiv_lock); - if (IS_ERR(hw)) { - ret = PTR_ERR(hw); + pll_bit = devm_clk_hw_register_divider_parent_hw(dev, clk_name, + pll_out_div, CLK_SET_RATE_PARENT, + pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG0, + 0, 4, CLK_DIVIDER_ONE_BASED, &pll_10nm->postdiv_lock); + if (IS_ERR(pll_bit)) { + ret = PTR_ERR(pll_bit); goto fail; } - snprintf(clk_name, 32, "dsi%d_phy_pll_out_byteclk", pll_10nm->phy->id); - snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->phy->id); + snprintf(clk_name, sizeof(clk_name), "dsi%d_phy_pll_out_byteclk", pll_10nm->phy->id); /* 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); + hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, clk_name, + pll_bit, CLK_SET_RATE_PARENT, 1, 8); if (IS_ERR(hw)) { ret = PTR_ERR(hw); goto fail; @@ -636,52 +634,45 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **prov provided_clocks[DSI_BYTE_PLL_CLK] = hw; - snprintf(clk_name, 32, "dsi%d_pll_by_2_bit_clk", pll_10nm->phy->id); - snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->phy->id); + snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_by_2_bit_clk", pll_10nm->phy->id); - hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, - 0, 1, 2); - if (IS_ERR(hw)) { - ret = PTR_ERR(hw); + pll_by_2_bit = devm_clk_hw_register_fixed_factor_parent_hw(dev, + clk_name, pll_bit, 0, 1, 2); + if (IS_ERR(pll_by_2_bit)) { + ret = PTR_ERR(pll_by_2_bit); goto fail; } - snprintf(clk_name, 32, "dsi%d_pll_post_out_div_clk", pll_10nm->phy->id); - snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_10nm->phy->id); + snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_post_out_div_clk", pll_10nm->phy->id); - hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, - 0, 1, 4); - if (IS_ERR(hw)) { - ret = PTR_ERR(hw); + pll_post_out_div = devm_clk_hw_register_fixed_factor_parent_hw(dev, + clk_name, pll_out_div, 0, 1, 4); + if (IS_ERR(pll_post_out_div)) { + ret = PTR_ERR(pll_post_out_div); goto fail; } - snprintf(clk_name, 32, "dsi%d_pclk_mux", pll_10nm->phy->id); - snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->phy->id); - snprintf(parent2, 32, "dsi%d_pll_by_2_bit_clk", pll_10nm->phy->id); - snprintf(parent3, 32, "dsi%d_pll_out_div_clk", pll_10nm->phy->id); - snprintf(parent4, 32, "dsi%d_pll_post_out_div_clk", pll_10nm->phy->id); - - hw = devm_clk_hw_register_mux(dev, clk_name, - ((const char *[]){ - parent, parent2, parent3, parent4 - }), 4, 0, pll_10nm->phy->base + - REG_DSI_10nm_PHY_CMN_CLK_CFG1, - 0, 2, 0, NULL); - if (IS_ERR(hw)) { - ret = PTR_ERR(hw); + snprintf(clk_name, sizeof(clk_name), "dsi%d_pclk_mux", pll_10nm->phy->id); + + pclk_mux = devm_clk_hw_register_mux_parent_hws(dev, clk_name, + ((const struct clk_hw *[]){ + pll_bit, + pll_by_2_bit, + pll_out_div, + pll_post_out_div, + }), 4, 0, pll_10nm->phy->base + + REG_DSI_10nm_PHY_CMN_CLK_CFG1, 0, 2, 0, NULL); + if (IS_ERR(pclk_mux)) { + ret = PTR_ERR(pclk_mux); goto fail; } - snprintf(clk_name, 32, "dsi%d_phy_pll_out_dsiclk", pll_10nm->phy->id); - snprintf(parent, 32, "dsi%d_pclk_mux", pll_10nm->phy->id); + snprintf(clk_name, sizeof(clk_name), "dsi%d_phy_pll_out_dsiclk", pll_10nm->phy->id); /* PIX CLK DIV : DIV_CTRL_7_4*/ - hw = devm_clk_hw_register_divider(dev, clk_name, parent, - 0, pll_10nm->phy->base + - REG_DSI_10nm_PHY_CMN_CLK_CFG0, - 4, 4, CLK_DIVIDER_ONE_BASED, - &pll_10nm->postdiv_lock); + hw = devm_clk_hw_register_divider_parent_hw(dev, clk_name, pclk_mux, + 0, pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG0, + 4, 4, CLK_DIVIDER_ONE_BASED, &pll_10nm->postdiv_lock); if (IS_ERR(hw)) { ret = PTR_ERR(hw); goto fail; @@ -1028,14 +1019,14 @@ static int dsi_10nm_phy_parse_dt(struct msm_dsi_phy *phy) return 0; } +static const struct regulator_bulk_data dsi_phy_10nm_regulators[] = { + { .supply = "vdds", .init_load_uA = 36000 }, +}; + const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs = { .has_phy_lane = true, - .reg_cfg = { - .num = 1, - .regs = { - {"vdds", 36000, 32}, - }, - }, + .regulator_data = dsi_phy_10nm_regulators, + .num_regulators = ARRAY_SIZE(dsi_phy_10nm_regulators), .ops = { .enable = dsi_10nm_phy_enable, .disable = dsi_10nm_phy_disable, @@ -1052,12 +1043,8 @@ const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs = { const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs = { .has_phy_lane = true, - .reg_cfg = { - .num = 1, - .regs = { - {"vdds", 36000, 32}, - }, - }, + .regulator_data = dsi_phy_10nm_regulators, + .num_regulators = ARRAY_SIZE(dsi_phy_10nm_regulators), .ops = { .enable = dsi_10nm_phy_enable, .disable = dsi_10nm_phy_disable, |