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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/gpu/drm/msm/dsi/dsi_phy.c
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/dsi_phy.c')
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_phy.c607
1 files changed, 0 insertions, 607 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_phy.c b/drivers/gpu/drm/msm/dsi/dsi_phy.c
deleted file mode 100644
index 2d3b33ce1..000000000
--- a/drivers/gpu/drm/msm/dsi/dsi_phy.c
+++ /dev/null
@@ -1,607 +0,0 @@
-/*
- * Copyright (c) 2015, 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 <linux/platform_device.h>
-#include <linux/regulator/consumer.h>
-
-#include "dsi.h"
-#include "dsi.xml.h"
-
-#define dsi_phy_read(offset) msm_readl((offset))
-#define dsi_phy_write(offset, data) msm_writel((data), (offset))
-
-struct dsi_phy_ops {
- int (*enable)(struct msm_dsi_phy *phy, bool is_dual_panel,
- const unsigned long bit_rate, const unsigned long esc_rate);
- int (*disable)(struct msm_dsi_phy *phy);
-};
-
-struct dsi_phy_cfg {
- enum msm_dsi_phy_type type;
- struct dsi_reg_config reg_cfg;
- struct dsi_phy_ops ops;
-};
-
-struct dsi_dphy_timing {
- u32 clk_pre;
- u32 clk_post;
- u32 clk_zero;
- u32 clk_trail;
- u32 clk_prepare;
- u32 hs_exit;
- u32 hs_zero;
- u32 hs_prepare;
- u32 hs_trail;
- u32 hs_rqst;
- u32 ta_go;
- u32 ta_sure;
- u32 ta_get;
-};
-
-struct msm_dsi_phy {
- struct platform_device *pdev;
- void __iomem *base;
- void __iomem *reg_base;
- int id;
-
- struct clk *ahb_clk;
- struct regulator_bulk_data supplies[DSI_DEV_REGULATOR_MAX];
-
- struct dsi_dphy_timing timing;
- const struct dsi_phy_cfg *cfg;
-
- struct msm_dsi_pll *pll;
-};
-
-static int dsi_phy_regulator_init(struct msm_dsi_phy *phy)
-{
- struct regulator_bulk_data *s = phy->supplies;
- const struct dsi_reg_entry *regs = phy->cfg->reg_cfg.regs;
- struct device *dev = &phy->pdev->dev;
- int num = phy->cfg->reg_cfg.num;
- int i, ret;
-
- for (i = 0; i < num; i++)
- s[i].supply = regs[i].name;
-
- ret = devm_regulator_bulk_get(&phy->pdev->dev, num, s);
- if (ret < 0) {
- dev_err(dev, "%s: failed to init regulator, ret=%d\n",
- __func__, ret);
- return ret;
- }
-
- for (i = 0; i < num; i++) {
- if ((regs[i].min_voltage >= 0) && (regs[i].max_voltage >= 0)) {
- ret = regulator_set_voltage(s[i].consumer,
- regs[i].min_voltage, regs[i].max_voltage);
- if (ret < 0) {
- dev_err(dev,
- "regulator %d set voltage failed, %d\n",
- i, ret);
- return ret;
- }
- }
- }
-
- return 0;
-}
-
-static void dsi_phy_regulator_disable(struct msm_dsi_phy *phy)
-{
- struct regulator_bulk_data *s = phy->supplies;
- const struct dsi_reg_entry *regs = phy->cfg->reg_cfg.regs;
- int num = phy->cfg->reg_cfg.num;
- int i;
-
- DBG("");
- for (i = num - 1; i >= 0; i--)
- if (regs[i].disable_load >= 0)
- regulator_set_load(s[i].consumer,
- regs[i].disable_load);
-
- regulator_bulk_disable(num, s);
-}
-
-static int dsi_phy_regulator_enable(struct msm_dsi_phy *phy)
-{
- struct regulator_bulk_data *s = phy->supplies;
- const struct dsi_reg_entry *regs = phy->cfg->reg_cfg.regs;
- struct device *dev = &phy->pdev->dev;
- int num = phy->cfg->reg_cfg.num;
- int ret, i;
-
- DBG("");
- for (i = 0; i < num; i++) {
- if (regs[i].enable_load >= 0) {
- ret = regulator_set_load(s[i].consumer,
- regs[i].enable_load);
- if (ret < 0) {
- dev_err(dev,
- "regulator %d set op mode failed, %d\n",
- i, ret);
- goto fail;
- }
- }
- }
-
- ret = regulator_bulk_enable(num, s);
- if (ret < 0) {
- dev_err(dev, "regulator enable failed, %d\n", ret);
- goto fail;
- }
-
- return 0;
-
-fail:
- for (i--; i >= 0; i--)
- regulator_set_load(s[i].consumer, regs[i].disable_load);
- return ret;
-}
-
-#define S_DIV_ROUND_UP(n, d) \
- (((n) >= 0) ? (((n) + (d) - 1) / (d)) : (((n) - (d) + 1) / (d)))
-
-static inline s32 linear_inter(s32 tmax, s32 tmin, s32 percent,
- s32 min_result, bool even)
-{
- s32 v;
- v = (tmax - tmin) * percent;
- v = S_DIV_ROUND_UP(v, 100) + tmin;
- if (even && (v & 0x1))
- return max_t(s32, min_result, v - 1);
- else
- return max_t(s32, min_result, v);
-}
-
-static void dsi_dphy_timing_calc_clk_zero(struct dsi_dphy_timing *timing,
- s32 ui, s32 coeff, s32 pcnt)
-{
- s32 tmax, tmin, clk_z;
- s32 temp;
-
- /* reset */
- temp = 300 * coeff - ((timing->clk_prepare >> 1) + 1) * 2 * ui;
- tmin = S_DIV_ROUND_UP(temp, ui) - 2;
- if (tmin > 255) {
- tmax = 511;
- clk_z = linear_inter(2 * tmin, tmin, pcnt, 0, true);
- } else {
- tmax = 255;
- clk_z = linear_inter(tmax, tmin, pcnt, 0, true);
- }
-
- /* adjust */
- temp = (timing->hs_rqst + timing->clk_prepare + clk_z) & 0x7;
- timing->clk_zero = clk_z + 8 - temp;
-}
-
-static int dsi_dphy_timing_calc(struct dsi_dphy_timing *timing,
- const unsigned long bit_rate, const unsigned long esc_rate)
-{
- s32 ui, lpx;
- s32 tmax, tmin;
- s32 pcnt0 = 10;
- s32 pcnt1 = (bit_rate > 1200000000) ? 15 : 10;
- s32 pcnt2 = 10;
- s32 pcnt3 = (bit_rate > 180000000) ? 10 : 40;
- s32 coeff = 1000; /* Precision, should avoid overflow */
- s32 temp;
-
- if (!bit_rate || !esc_rate)
- return -EINVAL;
-
- ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
- lpx = mult_frac(NSEC_PER_MSEC, coeff, esc_rate / 1000);
-
- tmax = S_DIV_ROUND_UP(95 * coeff, ui) - 2;
- tmin = S_DIV_ROUND_UP(38 * coeff, ui) - 2;
- timing->clk_prepare = linear_inter(tmax, tmin, pcnt0, 0, true);
-
- temp = lpx / ui;
- if (temp & 0x1)
- timing->hs_rqst = temp;
- else
- timing->hs_rqst = max_t(s32, 0, temp - 2);
-
- /* Calculate clk_zero after clk_prepare and hs_rqst */
- dsi_dphy_timing_calc_clk_zero(timing, ui, coeff, pcnt2);
-
- temp = 105 * coeff + 12 * ui - 20 * coeff;
- tmax = S_DIV_ROUND_UP(temp, ui) - 2;
- tmin = S_DIV_ROUND_UP(60 * coeff, ui) - 2;
- timing->clk_trail = linear_inter(tmax, tmin, pcnt3, 0, true);
-
- temp = 85 * coeff + 6 * ui;
- tmax = S_DIV_ROUND_UP(temp, ui) - 2;
- temp = 40 * coeff + 4 * ui;
- tmin = S_DIV_ROUND_UP(temp, ui) - 2;
- timing->hs_prepare = linear_inter(tmax, tmin, pcnt1, 0, true);
-
- tmax = 255;
- temp = ((timing->hs_prepare >> 1) + 1) * 2 * ui + 2 * ui;
- temp = 145 * coeff + 10 * ui - temp;
- tmin = S_DIV_ROUND_UP(temp, ui) - 2;
- timing->hs_zero = linear_inter(tmax, tmin, pcnt2, 24, true);
-
- temp = 105 * coeff + 12 * ui - 20 * coeff;
- tmax = S_DIV_ROUND_UP(temp, ui) - 2;
- temp = 60 * coeff + 4 * ui;
- tmin = DIV_ROUND_UP(temp, ui) - 2;
- timing->hs_trail = linear_inter(tmax, tmin, pcnt3, 0, true);
-
- tmax = 255;
- tmin = S_DIV_ROUND_UP(100 * coeff, ui) - 2;
- timing->hs_exit = linear_inter(tmax, tmin, pcnt2, 0, true);
-
- tmax = 63;
- temp = ((timing->hs_exit >> 1) + 1) * 2 * ui;
- temp = 60 * coeff + 52 * ui - 24 * ui - temp;
- tmin = S_DIV_ROUND_UP(temp, 8 * ui) - 1;
- timing->clk_post = linear_inter(tmax, tmin, pcnt2, 0, false);
-
- tmax = 63;
- temp = ((timing->clk_prepare >> 1) + 1) * 2 * ui;
- temp += ((timing->clk_zero >> 1) + 1) * 2 * ui;
- temp += 8 * ui + lpx;
- tmin = S_DIV_ROUND_UP(temp, 8 * ui) - 1;
- if (tmin > tmax) {
- temp = linear_inter(2 * tmax, tmin, pcnt2, 0, false) >> 1;
- timing->clk_pre = temp >> 1;
- temp = (2 * tmax - tmin) * pcnt2;
- } else {
- timing->clk_pre = linear_inter(tmax, tmin, pcnt2, 0, false);
- }
-
- timing->ta_go = 3;
- timing->ta_sure = 0;
- timing->ta_get = 4;
-
- DBG("PHY timings: %d, %d, %d, %d, %d, %d, %d, %d, %d, %d",
- timing->clk_pre, timing->clk_post, timing->clk_zero,
- timing->clk_trail, timing->clk_prepare, timing->hs_exit,
- timing->hs_zero, timing->hs_prepare, timing->hs_trail,
- timing->hs_rqst);
-
- return 0;
-}
-
-static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
-{
- void __iomem *base = phy->reg_base;
-
- if (!enable) {
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
- return;
- }
-
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 1);
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_3, 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_2, 0x3);
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x9);
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x7);
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20);
-}
-
-static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, bool is_dual_panel,
- const unsigned long bit_rate, const unsigned long esc_rate)
-{
- struct dsi_dphy_timing *timing = &phy->timing;
- int i;
- void __iomem *base = phy->base;
-
- DBG("");
-
- if (dsi_dphy_timing_calc(timing, bit_rate, esc_rate)) {
- pr_err("%s: D-PHY timing calculation failed\n", __func__);
- return -EINVAL;
- }
-
- dsi_phy_write(base + REG_DSI_28nm_PHY_STRENGTH_0, 0xff);
-
- dsi_28nm_phy_regulator_ctrl(phy, true);
-
- dsi_phy_write(base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x00);
-
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_0,
- DSI_28nm_PHY_TIMING_CTRL_0_CLK_ZERO(timing->clk_zero));
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_1,
- DSI_28nm_PHY_TIMING_CTRL_1_CLK_TRAIL(timing->clk_trail));
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_2,
- DSI_28nm_PHY_TIMING_CTRL_2_CLK_PREPARE(timing->clk_prepare));
- if (timing->clk_zero & BIT(8))
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_3,
- DSI_28nm_PHY_TIMING_CTRL_3_CLK_ZERO_8);
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_4,
- DSI_28nm_PHY_TIMING_CTRL_4_HS_EXIT(timing->hs_exit));
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_5,
- DSI_28nm_PHY_TIMING_CTRL_5_HS_ZERO(timing->hs_zero));
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_6,
- DSI_28nm_PHY_TIMING_CTRL_6_HS_PREPARE(timing->hs_prepare));
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_7,
- DSI_28nm_PHY_TIMING_CTRL_7_HS_TRAIL(timing->hs_trail));
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_8,
- DSI_28nm_PHY_TIMING_CTRL_8_HS_RQST(timing->hs_rqst));
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_9,
- DSI_28nm_PHY_TIMING_CTRL_9_TA_GO(timing->ta_go) |
- DSI_28nm_PHY_TIMING_CTRL_9_TA_SURE(timing->ta_sure));
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_10,
- DSI_28nm_PHY_TIMING_CTRL_10_TA_GET(timing->ta_get));
- dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_11,
- DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD(0));
-
- dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_1, 0x00);
- dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f);
-
- dsi_phy_write(base + REG_DSI_28nm_PHY_STRENGTH_1, 0x6);
-
- for (i = 0; i < 4; i++) {
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_0(i), 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_1(i), 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_2(i), 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_3(i), 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_DATAPATH(i), 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_DEBUG_SEL(i), 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_0(i), 0x1);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_1(i), 0x97);
- }
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(0), 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(1), 0x5);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(2), 0xa);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(3), 0xf);
-
- dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_1, 0xc0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR0, 0x1);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR1, 0xbb);
-
- dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f);
-
- if (is_dual_panel && (phy->id != DSI_CLOCK_MASTER))
- dsi_phy_write(base + REG_DSI_28nm_PHY_GLBL_TEST_CTRL, 0x00);
- else
- dsi_phy_write(base + REG_DSI_28nm_PHY_GLBL_TEST_CTRL, 0x01);
-
- return 0;
-}
-
-static int dsi_28nm_phy_disable(struct msm_dsi_phy *phy)
-{
- dsi_phy_write(phy->base + REG_DSI_28nm_PHY_CTRL_0, 0);
- dsi_28nm_phy_regulator_ctrl(phy, false);
-
- /*
- * Wait for the registers writes to complete in order to
- * ensure that the phy is completely disabled
- */
- wmb();
-
- return 0;
-}
-
-static int dsi_phy_enable_resource(struct msm_dsi_phy *phy)
-{
- int ret;
-
- pm_runtime_get_sync(&phy->pdev->dev);
-
- ret = clk_prepare_enable(phy->ahb_clk);
- if (ret) {
- pr_err("%s: can't enable ahb clk, %d\n", __func__, ret);
- pm_runtime_put_sync(&phy->pdev->dev);
- }
-
- return ret;
-}
-
-static void dsi_phy_disable_resource(struct msm_dsi_phy *phy)
-{
- clk_disable_unprepare(phy->ahb_clk);
- pm_runtime_put_sync(&phy->pdev->dev);
-}
-
-static const struct dsi_phy_cfg dsi_phy_cfgs[MSM_DSI_PHY_MAX] = {
- [MSM_DSI_PHY_28NM_HPM] = {
- .type = MSM_DSI_PHY_28NM_HPM,
- .reg_cfg = {
- .num = 1,
- .regs = {
- {"vddio", 1800000, 1800000, 100000, 100},
- },
- },
- .ops = {
- .enable = dsi_28nm_phy_enable,
- .disable = dsi_28nm_phy_disable,
- }
- },
- [MSM_DSI_PHY_28NM_LP] = {
- .type = MSM_DSI_PHY_28NM_LP,
- .reg_cfg = {
- .num = 1,
- .regs = {
- {"vddio", 1800000, 1800000, 100000, 100},
- },
- },
- .ops = {
- .enable = dsi_28nm_phy_enable,
- .disable = dsi_28nm_phy_disable,
- }
- },
-};
-
-static const struct of_device_id dsi_phy_dt_match[] = {
- { .compatible = "qcom,dsi-phy-28nm-hpm",
- .data = &dsi_phy_cfgs[MSM_DSI_PHY_28NM_HPM],},
- { .compatible = "qcom,dsi-phy-28nm-lp",
- .data = &dsi_phy_cfgs[MSM_DSI_PHY_28NM_LP],},
- {}
-};
-
-static int dsi_phy_driver_probe(struct platform_device *pdev)
-{
- struct msm_dsi_phy *phy;
- const struct of_device_id *match;
- int ret;
-
- phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL);
- if (!phy)
- return -ENOMEM;
-
- match = of_match_node(dsi_phy_dt_match, pdev->dev.of_node);
- if (!match)
- return -ENODEV;
-
- phy->cfg = match->data;
- phy->pdev = pdev;
-
- ret = of_property_read_u32(pdev->dev.of_node,
- "qcom,dsi-phy-index", &phy->id);
- if (ret) {
- dev_err(&pdev->dev,
- "%s: PHY index not specified, ret=%d\n",
- __func__, ret);
- goto fail;
- }
-
- phy->base = msm_ioremap(pdev, "dsi_phy", "DSI_PHY");
- if (IS_ERR(phy->base)) {
- dev_err(&pdev->dev, "%s: failed to map phy base\n", __func__);
- ret = -ENOMEM;
- goto fail;
- }
- phy->reg_base = msm_ioremap(pdev, "dsi_phy_regulator", "DSI_PHY_REG");
- if (IS_ERR(phy->reg_base)) {
- dev_err(&pdev->dev,
- "%s: failed to map phy regulator base\n", __func__);
- ret = -ENOMEM;
- goto fail;
- }
-
- ret = dsi_phy_regulator_init(phy);
- if (ret) {
- dev_err(&pdev->dev, "%s: failed to init regulator\n", __func__);
- goto fail;
- }
-
- phy->ahb_clk = devm_clk_get(&pdev->dev, "iface_clk");
- if (IS_ERR(phy->ahb_clk)) {
- pr_err("%s: Unable to get ahb clk\n", __func__);
- ret = PTR_ERR(phy->ahb_clk);
- goto fail;
- }
-
- /* PLL init will call into clk_register which requires
- * register access, so we need to enable power and ahb clock.
- */
- ret = dsi_phy_enable_resource(phy);
- if (ret)
- goto fail;
-
- phy->pll = msm_dsi_pll_init(pdev, phy->cfg->type, phy->id);
- if (!phy->pll)
- dev_info(&pdev->dev,
- "%s: pll init failed, need separate pll clk driver\n",
- __func__);
-
- dsi_phy_disable_resource(phy);
-
- platform_set_drvdata(pdev, phy);
-
- return 0;
-
-fail:
- return ret;
-}
-
-static int dsi_phy_driver_remove(struct platform_device *pdev)
-{
- struct msm_dsi_phy *phy = platform_get_drvdata(pdev);
-
- if (phy && phy->pll) {
- msm_dsi_pll_destroy(phy->pll);
- phy->pll = NULL;
- }
-
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
-static struct platform_driver dsi_phy_platform_driver = {
- .probe = dsi_phy_driver_probe,
- .remove = dsi_phy_driver_remove,
- .driver = {
- .name = "msm_dsi_phy",
- .of_match_table = dsi_phy_dt_match,
- },
-};
-
-void __init msm_dsi_phy_driver_register(void)
-{
- platform_driver_register(&dsi_phy_platform_driver);
-}
-
-void __exit msm_dsi_phy_driver_unregister(void)
-{
- platform_driver_unregister(&dsi_phy_platform_driver);
-}
-
-int msm_dsi_phy_enable(struct msm_dsi_phy *phy, bool is_dual_panel,
- const unsigned long bit_rate, const unsigned long esc_rate)
-{
- int ret;
-
- if (!phy || !phy->cfg->ops.enable)
- return -EINVAL;
-
- ret = dsi_phy_regulator_enable(phy);
- if (ret) {
- dev_err(&phy->pdev->dev, "%s: regulator enable failed, %d\n",
- __func__, ret);
- return ret;
- }
-
- return phy->cfg->ops.enable(phy, is_dual_panel, bit_rate, esc_rate);
-}
-
-int msm_dsi_phy_disable(struct msm_dsi_phy *phy)
-{
- if (!phy || !phy->cfg->ops.disable)
- return -EINVAL;
-
- phy->cfg->ops.disable(phy);
- dsi_phy_regulator_disable(phy);
-
- return 0;
-}
-
-void msm_dsi_phy_get_clk_pre_post(struct msm_dsi_phy *phy,
- u32 *clk_pre, u32 *clk_post)
-{
- if (!phy)
- return;
- if (clk_pre)
- *clk_pre = phy->timing.clk_pre;
- if (clk_post)
- *clk_post = phy->timing.clk_post;
-}
-
-struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy)
-{
- if (!phy)
- return NULL;
-
- return phy->pll;
-}
-