Saravana Kannan | c85ecf9 | 2013-01-21 17:58:35 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
Chandan Uddaraju | 09adf32 | 2012-08-16 02:55:23 -0700 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/io.h> |
| 15 | #include <linux/err.h> |
| 16 | #include <linux/delay.h> |
| 17 | #include <linux/string.h> |
| 18 | #include <linux/iopoll.h> |
| 19 | #include <linux/clk.h> |
| 20 | |
| 21 | #include <asm/processor.h> |
| 22 | #include <mach/msm_iomap.h> |
Matt Wagantall | 33d01f5 | 2012-02-23 23:27:44 -0800 | [diff] [blame] | 23 | #include <mach/clk-provider.h> |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 24 | #include <mach/clk.h> |
| 25 | #include <mach/clock-generic.h> |
Chandan Uddaraju | 09adf32 | 2012-08-16 02:55:23 -0700 | [diff] [blame] | 26 | |
Chandan Uddaraju | 09adf32 | 2012-08-16 02:55:23 -0700 | [diff] [blame] | 27 | #include "clock-mdss-8974.h" |
| 28 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 29 | #define REG_R(addr) readl_relaxed(addr) |
| 30 | #define REG_W(data, addr) writel_relaxed(data, addr) |
| 31 | #define DSS_REG_W(base, offset, data) REG_W((data), (base) + (offset)) |
| 32 | #define DSS_REG_R(base, offset) REG_R((base) + (offset)) |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 33 | |
Huaibin Yang | 3931cb7 | 2013-07-12 10:48:59 -0700 | [diff] [blame] | 34 | #define GDSC_PHYS 0xFD8C2300 |
| 35 | #define GDSC_SIZE 0x8 |
Matt Wagantall | 7cf535b | 2013-02-28 16:16:51 -0800 | [diff] [blame] | 36 | |
Vikram Mulukutla | 81e17e5 | 2013-05-02 20:31:51 -0700 | [diff] [blame] | 37 | #define DSI_PHY_PHYS 0xFD922A00 |
| 38 | #define DSI_PHY_SIZE 0x000000D4 |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 39 | |
Kuogee Hsieh | a20087c | 2013-08-05 17:53:12 -0700 | [diff] [blame] | 40 | #define EDP_PHY_PHYS 0xFD923A00 |
| 41 | #define EDP_PHY_SIZE 0x000000D4 |
| 42 | |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 43 | #define HDMI_PHY_PHYS 0xFD922500 |
| 44 | #define HDMI_PHY_SIZE 0x0000007C |
| 45 | |
| 46 | #define HDMI_PHY_PLL_PHYS 0xFD922700 |
| 47 | #define HDMI_PHY_PLL_SIZE 0x000000D4 |
| 48 | |
| 49 | /* hdmi phy registers */ |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 50 | #define HDMI_PHY_ANA_CFG0 (0x0000) |
| 51 | #define HDMI_PHY_ANA_CFG1 (0x0004) |
| 52 | #define HDMI_PHY_ANA_CFG2 (0x0008) |
| 53 | #define HDMI_PHY_ANA_CFG3 (0x000C) |
| 54 | #define HDMI_PHY_PD_CTRL0 (0x0010) |
| 55 | #define HDMI_PHY_PD_CTRL1 (0x0014) |
| 56 | #define HDMI_PHY_GLB_CFG (0x0018) |
| 57 | #define HDMI_PHY_DCC_CFG0 (0x001C) |
| 58 | #define HDMI_PHY_DCC_CFG1 (0x0020) |
| 59 | #define HDMI_PHY_TXCAL_CFG0 (0x0024) |
| 60 | #define HDMI_PHY_TXCAL_CFG1 (0x0028) |
| 61 | #define HDMI_PHY_TXCAL_CFG2 (0x002C) |
| 62 | #define HDMI_PHY_TXCAL_CFG3 (0x0030) |
| 63 | #define HDMI_PHY_BIST_CFG0 (0x0034) |
| 64 | #define HDMI_PHY_BIST_CFG1 (0x0038) |
| 65 | #define HDMI_PHY_BIST_PATN0 (0x003C) |
| 66 | #define HDMI_PHY_BIST_PATN1 (0x0040) |
| 67 | #define HDMI_PHY_BIST_PATN2 (0x0044) |
| 68 | #define HDMI_PHY_BIST_PATN3 (0x0048) |
| 69 | #define HDMI_PHY_STATUS (0x005C) |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 70 | |
| 71 | /* hdmi phy unified pll registers */ |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 72 | #define HDMI_UNI_PLL_REFCLK_CFG (0x0000) |
| 73 | #define HDMI_UNI_PLL_POSTDIV1_CFG (0x0004) |
| 74 | #define HDMI_UNI_PLL_CHFPUMP_CFG (0x0008) |
| 75 | #define HDMI_UNI_PLL_VCOLPF_CFG (0x000C) |
| 76 | #define HDMI_UNI_PLL_VREG_CFG (0x0010) |
| 77 | #define HDMI_UNI_PLL_PWRGEN_CFG (0x0014) |
| 78 | #define HDMI_UNI_PLL_GLB_CFG (0x0020) |
| 79 | #define HDMI_UNI_PLL_POSTDIV2_CFG (0x0024) |
| 80 | #define HDMI_UNI_PLL_POSTDIV3_CFG (0x0028) |
| 81 | #define HDMI_UNI_PLL_LPFR_CFG (0x002C) |
| 82 | #define HDMI_UNI_PLL_LPFC1_CFG (0x0030) |
| 83 | #define HDMI_UNI_PLL_LPFC2_CFG (0x0034) |
| 84 | #define HDMI_UNI_PLL_SDM_CFG0 (0x0038) |
| 85 | #define HDMI_UNI_PLL_SDM_CFG1 (0x003C) |
| 86 | #define HDMI_UNI_PLL_SDM_CFG2 (0x0040) |
| 87 | #define HDMI_UNI_PLL_SDM_CFG3 (0x0044) |
| 88 | #define HDMI_UNI_PLL_SDM_CFG4 (0x0048) |
| 89 | #define HDMI_UNI_PLL_SSC_CFG0 (0x004C) |
| 90 | #define HDMI_UNI_PLL_SSC_CFG1 (0x0050) |
| 91 | #define HDMI_UNI_PLL_SSC_CFG2 (0x0054) |
| 92 | #define HDMI_UNI_PLL_SSC_CFG3 (0x0058) |
| 93 | #define HDMI_UNI_PLL_LKDET_CFG0 (0x005C) |
| 94 | #define HDMI_UNI_PLL_LKDET_CFG1 (0x0060) |
| 95 | #define HDMI_UNI_PLL_LKDET_CFG2 (0x0064) |
| 96 | #define HDMI_UNI_PLL_CAL_CFG0 (0x006C) |
| 97 | #define HDMI_UNI_PLL_CAL_CFG1 (0x0070) |
| 98 | #define HDMI_UNI_PLL_CAL_CFG2 (0x0074) |
| 99 | #define HDMI_UNI_PLL_CAL_CFG3 (0x0078) |
| 100 | #define HDMI_UNI_PLL_CAL_CFG4 (0x007C) |
| 101 | #define HDMI_UNI_PLL_CAL_CFG5 (0x0080) |
| 102 | #define HDMI_UNI_PLL_CAL_CFG6 (0x0084) |
| 103 | #define HDMI_UNI_PLL_CAL_CFG7 (0x0088) |
| 104 | #define HDMI_UNI_PLL_CAL_CFG8 (0x008C) |
| 105 | #define HDMI_UNI_PLL_CAL_CFG9 (0x0090) |
| 106 | #define HDMI_UNI_PLL_CAL_CFG10 (0x0094) |
| 107 | #define HDMI_UNI_PLL_CAL_CFG11 (0x0098) |
| 108 | #define HDMI_UNI_PLL_STATUS (0x00C0) |
Chandan Uddaraju | 09adf32 | 2012-08-16 02:55:23 -0700 | [diff] [blame] | 109 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 110 | #define DSI_0_PHY_PLL_UNIPHY_PLL_REFCLK_CFG (0x00000000) |
| 111 | #define DSI_0_PHY_PLL_UNIPHY_PLL_POSTDIV1_CFG (0x00000004) |
| 112 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CHGPUMP_CFG (0x00000008) |
| 113 | #define DSI_0_PHY_PLL_UNIPHY_PLL_VCOLPF_CFG (0x0000000C) |
| 114 | #define DSI_0_PHY_PLL_UNIPHY_PLL_VREG_CFG (0x00000010) |
| 115 | #define DSI_0_PHY_PLL_UNIPHY_PLL_PWRGEN_CFG (0x00000014) |
| 116 | #define DSI_0_PHY_PLL_UNIPHY_PLL_DMUX_CFG (0x00000018) |
| 117 | #define DSI_0_PHY_PLL_UNIPHY_PLL_AMUX_CFG (0x0000001C) |
| 118 | #define DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG (0x00000020) |
| 119 | #define DSI_0_PHY_PLL_UNIPHY_PLL_POSTDIV2_CFG (0x00000024) |
| 120 | #define DSI_0_PHY_PLL_UNIPHY_PLL_POSTDIV3_CFG (0x00000028) |
| 121 | #define DSI_0_PHY_PLL_UNIPHY_PLL_LPFR_CFG (0x0000002C) |
| 122 | #define DSI_0_PHY_PLL_UNIPHY_PLL_LPFC1_CFG (0x00000030) |
| 123 | #define DSI_0_PHY_PLL_UNIPHY_PLL_LPFC2_CFG (0x00000034) |
| 124 | #define DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG0 (0x00000038) |
| 125 | #define DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG1 (0x0000003C) |
| 126 | #define DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG2 (0x00000040) |
| 127 | #define DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG3 (0x00000044) |
| 128 | #define DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG4 (0x00000048) |
| 129 | #define DSI_0_PHY_PLL_UNIPHY_PLL_SSC_CFG0 (0x0000004C) |
| 130 | #define DSI_0_PHY_PLL_UNIPHY_PLL_SSC_CFG1 (0x00000050) |
| 131 | #define DSI_0_PHY_PLL_UNIPHY_PLL_SSC_CFG2 (0x00000054) |
| 132 | #define DSI_0_PHY_PLL_UNIPHY_PLL_SSC_CFG3 (0x00000058) |
| 133 | #define DSI_0_PHY_PLL_UNIPHY_PLL_LKDET_CFG0 (0x0000005C) |
| 134 | #define DSI_0_PHY_PLL_UNIPHY_PLL_LKDET_CFG1 (0x00000060) |
| 135 | #define DSI_0_PHY_PLL_UNIPHY_PLL_LKDET_CFG2 (0x00000064) |
| 136 | #define DSI_0_PHY_PLL_UNIPHY_PLL_TEST_CFG (0x00000068) |
| 137 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG0 (0x0000006C) |
| 138 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG1 (0x00000070) |
| 139 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG2 (0x00000074) |
| 140 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG3 (0x00000078) |
| 141 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG4 (0x0000007C) |
| 142 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG5 (0x00000080) |
| 143 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG6 (0x00000084) |
| 144 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG7 (0x00000088) |
| 145 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG8 (0x0000008C) |
| 146 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG9 (0x00000090) |
| 147 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG10 (0x00000094) |
| 148 | #define DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG11 (0x00000098) |
| 149 | #define DSI_0_PHY_PLL_UNIPHY_PLL_EFUSE_CFG (0x0000009C) |
| 150 | #define DSI_0_PHY_PLL_UNIPHY_PLL_STATUS (0x000000C0) |
| 151 | |
| 152 | #define PLL_POLL_MAX_READS 10 |
| 153 | #define PLL_POLL_TIMEOUT_US 50 |
| 154 | |
| 155 | static long vco_cached_rate; |
Chandan Uddaraju | 09adf32 | 2012-08-16 02:55:23 -0700 | [diff] [blame] | 156 | static unsigned char *mdss_dsi_base; |
Matt Wagantall | 7cf535b | 2013-02-28 16:16:51 -0800 | [diff] [blame] | 157 | static unsigned char *gdsc_base; |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 158 | static struct clk *mdss_ahb_clk; |
Kuogee Hsieh | a20087c | 2013-08-05 17:53:12 -0700 | [diff] [blame] | 159 | static unsigned char *mdss_edp_base; |
Chandan Uddaraju | 09adf32 | 2012-08-16 02:55:23 -0700 | [diff] [blame] | 160 | |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 161 | static void __iomem *hdmi_phy_base; |
| 162 | static void __iomem *hdmi_phy_pll_base; |
| 163 | static unsigned hdmi_pll_on; |
| 164 | |
Matt Wagantall | 7cf535b | 2013-02-28 16:16:51 -0800 | [diff] [blame] | 165 | static int mdss_gdsc_enabled(void) |
| 166 | { |
| 167 | if (!gdsc_base) |
| 168 | return 0; |
| 169 | |
Huaibin Yang | 3931cb7 | 2013-07-12 10:48:59 -0700 | [diff] [blame] | 170 | return (readl_relaxed(gdsc_base + 0x4) & BIT(31)) && |
| 171 | (!(readl_relaxed(gdsc_base) & BIT(0))); |
Matt Wagantall | 7cf535b | 2013-02-28 16:16:51 -0800 | [diff] [blame] | 172 | } |
| 173 | |
Ajay Singh Parmar | 6e09028 | 2013-09-30 21:43:57 -0700 | [diff] [blame] | 174 | /* Auto PLL calibaration */ |
| 175 | static int mdss_ahb_clk_enable(int enable) |
| 176 | { |
| 177 | int rc = 0; |
| 178 | |
| 179 | /* todo: Ideally, we should enable/disable GDSC whenever we are |
| 180 | * attempting to enable/disable MDSS AHB clock. |
| 181 | * For now, just return error if GDSC is not enabled. |
| 182 | */ |
| 183 | if (!mdss_gdsc_enabled()) { |
| 184 | pr_err("%s: mdss GDSC is not enabled\n", __func__); |
| 185 | return -EPERM; |
| 186 | } |
| 187 | |
| 188 | if (enable) |
| 189 | rc = clk_prepare_enable(mdss_ahb_clk); |
| 190 | else |
| 191 | clk_disable_unprepare(mdss_ahb_clk); |
| 192 | |
| 193 | return rc; |
| 194 | } |
| 195 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 196 | static void hdmi_vco_disable(struct clk *c) |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 197 | { |
Ajay Singh Parmar | 6e09028 | 2013-09-30 21:43:57 -0700 | [diff] [blame] | 198 | u32 rc; |
| 199 | |
| 200 | if (!mdss_gdsc_enabled()) { |
| 201 | pr_err("%s: mdss GDSC is not enabled\n", __func__); |
| 202 | return; |
| 203 | } |
| 204 | |
| 205 | rc = clk_enable(mdss_ahb_clk); |
| 206 | if (rc) { |
| 207 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 208 | __func__, rc); |
| 209 | return; |
| 210 | } |
| 211 | |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 212 | REG_W(0x0, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 213 | udelay(5); |
| 214 | REG_W(0x0, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
Ajay Singh Parmar | 6e09028 | 2013-09-30 21:43:57 -0700 | [diff] [blame] | 215 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 216 | clk_disable(mdss_ahb_clk); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 217 | |
| 218 | hdmi_pll_on = 0; |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 219 | } /* hdmi_vco_disable */ |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 220 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 221 | static int hdmi_vco_enable(struct clk *c) |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 222 | { |
| 223 | u32 status; |
Ajay Singh Parmar | 6e09028 | 2013-09-30 21:43:57 -0700 | [diff] [blame] | 224 | u32 rc; |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 225 | u32 max_reads, timeout_us; |
| 226 | |
Ajay Singh Parmar | 6e09028 | 2013-09-30 21:43:57 -0700 | [diff] [blame] | 227 | if (!mdss_gdsc_enabled()) { |
| 228 | pr_err("%s: mdss GDSC is not enabled\n", __func__); |
| 229 | return -EPERM; |
| 230 | } |
| 231 | |
| 232 | rc = clk_enable(mdss_ahb_clk); |
| 233 | if (rc) { |
| 234 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 235 | __func__, rc); |
| 236 | return rc; |
| 237 | } |
| 238 | |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 239 | /* Global Enable */ |
| 240 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 241 | /* Power up power gen */ |
| 242 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 243 | udelay(350); |
| 244 | |
| 245 | /* PLL Power-Up */ |
| 246 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 247 | udelay(5); |
| 248 | /* Power up PLL LDO */ |
| 249 | REG_W(0x03, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 250 | udelay(350); |
| 251 | |
| 252 | /* PLL Power-Up */ |
| 253 | REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 254 | udelay(350); |
| 255 | |
| 256 | /* poll for PLL ready status */ |
| 257 | max_reads = 20; |
| 258 | timeout_us = 100; |
| 259 | if (readl_poll_timeout_noirq((hdmi_phy_pll_base + HDMI_UNI_PLL_STATUS), |
| 260 | status, ((status & BIT(0)) == 1), max_reads, timeout_us)) { |
| 261 | pr_err("%s: hdmi phy pll status=%x failed to Lock\n", |
| 262 | __func__, status); |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 263 | hdmi_vco_disable(c); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 264 | clk_disable(mdss_ahb_clk); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 265 | return -EINVAL; |
| 266 | } |
| 267 | pr_debug("%s: hdmi phy pll is locked\n", __func__); |
| 268 | |
| 269 | udelay(350); |
| 270 | /* poll for PHY ready status */ |
| 271 | max_reads = 20; |
| 272 | timeout_us = 100; |
| 273 | if (readl_poll_timeout_noirq((hdmi_phy_base + HDMI_PHY_STATUS), |
| 274 | status, ((status & BIT(0)) == 1), max_reads, timeout_us)) { |
| 275 | pr_err("%s: hdmi phy status=%x failed to Lock\n", |
| 276 | __func__, status); |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 277 | hdmi_vco_disable(c); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 278 | clk_disable(mdss_ahb_clk); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 279 | return -EINVAL; |
| 280 | } |
| 281 | pr_debug("%s: hdmi phy is locked\n", __func__); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 282 | clk_disable(mdss_ahb_clk); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 283 | |
| 284 | hdmi_pll_on = 1; |
| 285 | |
| 286 | return 0; |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 287 | } /* hdmi_vco_enable */ |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 288 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 289 | static inline struct hdmi_pll_vco_clk *to_hdmi_vco_clk(struct clk *clk) |
| 290 | { |
| 291 | return container_of(clk, struct hdmi_pll_vco_clk, c); |
| 292 | } |
| 293 | |
Ajay Singh Parmar | c4d53dc | 2013-09-03 17:19:16 -0700 | [diff] [blame] | 294 | static void hdmi_phy_pll_calculator(u32 vco_freq) |
| 295 | { |
| 296 | u32 ref_clk = 19200000; |
| 297 | u32 sdm_mode = 1; |
| 298 | u32 ref_clk_multiplier = sdm_mode == 1 ? 2 : 1; |
| 299 | u32 int_ref_clk_freq = ref_clk * ref_clk_multiplier; |
| 300 | u32 fbclk_pre_div = 1; |
| 301 | u32 ssc_mode = 0; |
| 302 | u32 kvco = 270; |
| 303 | u32 vdd = 95; |
| 304 | u32 ten_power_six = 1000000; |
| 305 | u32 ssc_ds_ppm = ssc_mode ? 5000 : 0; |
| 306 | u32 sdm_res = 16; |
| 307 | u32 ssc_tri_step = 32; |
| 308 | u32 ssc_freq = 2; |
| 309 | u64 ssc_ds = vco_freq * ssc_ds_ppm; |
| 310 | u32 div_in_freq = vco_freq / fbclk_pre_div; |
| 311 | u64 dc_offset = (div_in_freq / int_ref_clk_freq - 1) * |
| 312 | ten_power_six * 10; |
| 313 | u32 ssc_kdiv = (int_ref_clk_freq / ssc_freq) - |
| 314 | ten_power_six; |
| 315 | u64 sdm_freq_seed; |
| 316 | u32 ssc_tri_inc; |
| 317 | u64 fb_div_n; |
| 318 | |
| 319 | u32 val; |
| 320 | |
| 321 | pr_debug("%s: vco_freq = %u\n", __func__, vco_freq); |
| 322 | |
| 323 | do_div(ssc_ds, (u64)ten_power_six); |
| 324 | |
| 325 | fb_div_n = (u64)div_in_freq * (u64)ten_power_six * 10; |
| 326 | do_div(fb_div_n, int_ref_clk_freq); |
| 327 | |
| 328 | sdm_freq_seed = ((fb_div_n - dc_offset - ten_power_six * 10) * |
| 329 | (1 << sdm_res) * 10) + 5; |
| 330 | do_div(sdm_freq_seed, ((u64)ten_power_six * 100)); |
| 331 | |
| 332 | ssc_tri_inc = (u32)ssc_ds; |
| 333 | ssc_tri_inc = (ssc_tri_inc / int_ref_clk_freq) * (1 << 16) / |
| 334 | ssc_tri_step; |
| 335 | |
| 336 | val = (ref_clk_multiplier == 2 ? 1 : 0) + |
| 337 | ((fbclk_pre_div == 2 ? 1 : 0) * 16); |
| 338 | pr_debug("%s: HDMI_UNI_PLL_REFCLK_CFG = 0x%x\n", __func__, val); |
| 339 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG); |
| 340 | |
| 341 | REG_W(0x02, hdmi_phy_pll_base + HDMI_UNI_PLL_CHFPUMP_CFG); |
| 342 | REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG); |
| 343 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 344 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_PWRGEN_CFG); |
| 345 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG); |
| 346 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG); |
| 347 | REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG); |
| 348 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG); |
| 349 | REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG); |
| 350 | |
| 351 | do_div(dc_offset, (u64)ten_power_six * 10); |
| 352 | val = sdm_mode == 0 ? 64 + dc_offset : 0; |
| 353 | pr_debug("%s: HDMI_UNI_PLL_SDM_CFG0 = 0x%x\n", __func__, val); |
| 354 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0); |
| 355 | |
| 356 | val = 64 + dc_offset; |
| 357 | pr_debug("%s: HDMI_UNI_PLL_SDM_CFG1 = 0x%x\n", __func__, val); |
| 358 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1); |
| 359 | |
| 360 | val = sdm_freq_seed & 0xFF; |
| 361 | pr_debug("%s: HDMI_UNI_PLL_SDM_CFG2 = 0x%x\n", __func__, val); |
| 362 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2); |
| 363 | |
| 364 | val = (sdm_freq_seed >> 8) & 0xFF; |
| 365 | pr_debug("%s: HDMI_UNI_PLL_SDM_CFG3 = 0x%x\n", __func__, val); |
| 366 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3); |
| 367 | |
| 368 | val = (sdm_freq_seed >> 16) & 0xFF; |
| 369 | pr_debug("%s: HDMI_UNI_PLL_SDM_CFG4 = 0x%x\n", __func__, val); |
| 370 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4); |
| 371 | |
| 372 | val = (ssc_mode == 0 ? 128 : 0) + (ssc_kdiv / ten_power_six); |
| 373 | pr_debug("%s: HDMI_UNI_PLL_SSC_CFG0 = 0x%x\n", __func__, val); |
| 374 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_SSC_CFG0); |
| 375 | |
| 376 | val = ssc_tri_inc & 0xFF; |
| 377 | pr_debug("%s: HDMI_UNI_PLL_SSC_CFG1 = 0x%x\n", __func__, val); |
| 378 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_SSC_CFG1); |
| 379 | |
| 380 | val = (ssc_tri_inc >> 8) & 0xFF; |
| 381 | pr_debug("%s: HDMI_UNI_PLL_SSC_CFG2 = 0x%x\n", __func__, val); |
| 382 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_SSC_CFG2); |
| 383 | |
| 384 | pr_debug("%s: HDMI_UNI_PLL_SSC_CFG3 = 0x%x\n", __func__, ssc_tri_step); |
| 385 | REG_W(ssc_tri_step, hdmi_phy_pll_base + HDMI_UNI_PLL_SSC_CFG3); |
| 386 | |
| 387 | REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0); |
| 388 | REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1); |
| 389 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2); |
| 390 | REG_W(0x0A, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG0); |
| 391 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG1); |
| 392 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2); |
| 393 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG3); |
| 394 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG4); |
| 395 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG5); |
| 396 | |
| 397 | val = (kvco * vdd * 10000) / 6; |
| 398 | val += 500000; |
| 399 | val /= ten_power_six; |
| 400 | pr_debug("%s: HDMI_UNI_PLL_CAL_CFG6 = 0x%x\n", __func__, val); |
| 401 | REG_W(val & 0xFF, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG6); |
| 402 | |
| 403 | val = (kvco * vdd * 10000) / 6; |
| 404 | val -= ten_power_six; |
| 405 | val /= ten_power_six; |
| 406 | val = (val >> 8) & 0xFF; |
| 407 | pr_debug("%s: HDMI_UNI_PLL_CAL_CFG7 = 0x%x\n", __func__, val); |
| 408 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG7); |
| 409 | |
| 410 | val = (ref_clk * 5) / ten_power_six; |
| 411 | pr_debug("%s: HDMI_UNI_PLL_CAL_CFG8 = 0x%x\n", __func__, val); |
| 412 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8); |
| 413 | |
| 414 | val = ((ref_clk * 5) / ten_power_six) >> 8; |
| 415 | pr_debug("%s: HDMI_UNI_PLL_CAL_CFG9 = 0x%x\n", __func__, val); |
| 416 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9); |
| 417 | |
| 418 | vco_freq /= ten_power_six; |
| 419 | val = vco_freq & 0xFF; |
| 420 | pr_debug("%s: HDMI_UNI_PLL_CAL_CFG10 = 0x%x\n", __func__, val); |
| 421 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10); |
| 422 | |
| 423 | val = vco_freq >> 8; |
| 424 | pr_debug("%s: HDMI_UNI_PLL_CAL_CFG11 = 0x%x\n", __func__, val); |
| 425 | REG_W(val, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11); |
| 426 | } /* hdmi_phy_pll_calculator */ |
| 427 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 428 | static int hdmi_vco_set_rate(struct clk *c, unsigned long rate) |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 429 | { |
| 430 | unsigned int set_power_dwn = 0; |
Ajay Singh Parmar | 6e09028 | 2013-09-30 21:43:57 -0700 | [diff] [blame] | 431 | int rc = 0; |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 432 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 433 | struct hdmi_pll_vco_clk *vco = to_hdmi_vco_clk(c); |
| 434 | |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 435 | if (hdmi_pll_on) { |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 436 | hdmi_vco_disable(c); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 437 | set_power_dwn = 1; |
| 438 | } |
| 439 | |
Ajay Singh Parmar | 6e09028 | 2013-09-30 21:43:57 -0700 | [diff] [blame] | 440 | rc = mdss_ahb_clk_enable(1); |
| 441 | if (rc) { |
| 442 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 443 | __func__, rc); |
| 444 | return rc; |
| 445 | } |
| 446 | |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 447 | pr_debug("%s: rate=%ld\n", __func__, rate); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 448 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 449 | switch (rate) { |
Ajay Singh Parmar | c4d53dc | 2013-09-03 17:19:16 -0700 | [diff] [blame] | 450 | case 0: |
| 451 | break; |
| 452 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 453 | case 756000000: |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 454 | /* 640x480p60 */ |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 455 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 456 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 457 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG); |
| 458 | REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG); |
| 459 | REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG); |
| 460 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG); |
| 461 | REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG); |
| 462 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0); |
| 463 | REG_W(0x52, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 464 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 465 | REG_W(0xB0, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 466 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4); |
| 467 | REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0); |
| 468 | REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1); |
| 469 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 470 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG); |
| 471 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 472 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 473 | REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8); |
| 474 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 475 | REG_W(0xF4, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10); |
| 476 | REG_W(0x02, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11); |
| 477 | REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 478 | udelay(50); |
| 479 | |
| 480 | REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 481 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1); |
| 482 | REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 483 | REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0); |
| 484 | REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1); |
| 485 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 486 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 487 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 488 | REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0); |
| 489 | REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1); |
| 490 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0); |
| 491 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1); |
| 492 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 493 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3); |
| 494 | udelay(200); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 495 | break; |
| 496 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 497 | case 810000000: |
Ujwal Patel | e698fae | 2012-11-29 14:04:33 -0800 | [diff] [blame] | 498 | /* 576p50/576i50 case */ |
| 499 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 500 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 501 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG); |
| 502 | REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG); |
| 503 | REG_W(0X0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG); |
| 504 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG); |
| 505 | REG_W(0X0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG); |
| 506 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0); |
| 507 | REG_W(0x54, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1); |
| 508 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2); |
| 509 | REG_W(0x18, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3); |
| 510 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4); |
| 511 | REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0); |
| 512 | REG_W(0X1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1); |
| 513 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2); |
Ujwal Patel | e698fae | 2012-11-29 14:04:33 -0800 | [diff] [blame] | 514 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG); |
| 515 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG); |
| 516 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2); |
| 517 | REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8); |
| 518 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9); |
| 519 | REG_W(0x2a, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10); |
| 520 | REG_W(0x03, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11); |
| 521 | REG_W(0X1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 522 | udelay(50); |
| 523 | |
| 524 | REG_W(0X0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 525 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1); |
| 526 | REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 527 | REG_W(0XDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0); |
| 528 | REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1); |
| 529 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 530 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 531 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 532 | REG_W(0XD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0); |
| 533 | REG_W(0X1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1); |
| 534 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0); |
| 535 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1); |
| 536 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 537 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3); |
| 538 | udelay(200); |
| 539 | break; |
| 540 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 541 | case 810900000: |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 542 | /* 480p60/480i60 case */ |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 543 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 544 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 545 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG); |
| 546 | REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG); |
| 547 | REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG); |
| 548 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG); |
| 549 | REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG); |
| 550 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0); |
| 551 | REG_W(0x54, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1); |
| 552 | REG_W(0x66, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 553 | REG_W(0x1D, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3); |
| 554 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4); |
| 555 | REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0); |
| 556 | REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1); |
| 557 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 558 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG); |
| 559 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 560 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 561 | REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8); |
| 562 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9); |
| 563 | REG_W(0x2A, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10); |
| 564 | REG_W(0x03, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 565 | REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 566 | udelay(50); |
| 567 | |
| 568 | REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 569 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1); |
| 570 | REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 571 | REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0); |
| 572 | REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1); |
| 573 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 574 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 575 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 576 | REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0); |
| 577 | REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1); |
| 578 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0); |
| 579 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1); |
| 580 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 581 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3); |
| 582 | udelay(200); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 583 | break; |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 584 | case 650000000: |
Manoj Rao | 6c1d279 | 2013-05-08 11:59:38 -0700 | [diff] [blame] | 585 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 586 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 587 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG); |
| 588 | REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG); |
| 589 | REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG); |
| 590 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG); |
| 591 | REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG); |
| 592 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0); |
| 593 | REG_W(0x4F, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1); |
| 594 | REG_W(0x55, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2); |
| 595 | REG_W(0xED, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3); |
| 596 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4); |
| 597 | REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0); |
| 598 | REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1); |
| 599 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2); |
Manoj Rao | 6c1d279 | 2013-05-08 11:59:38 -0700 | [diff] [blame] | 600 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG); |
| 601 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG); |
| 602 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2); |
| 603 | REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8); |
| 604 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9); |
| 605 | REG_W(0x8A, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10); |
| 606 | REG_W(0x02, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11); |
| 607 | REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 608 | udelay(50); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 609 | |
Manoj Rao | 6c1d279 | 2013-05-08 11:59:38 -0700 | [diff] [blame] | 610 | REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 611 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1); |
| 612 | REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 613 | REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0); |
| 614 | REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1); |
| 615 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 616 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 617 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 618 | REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0); |
| 619 | REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1); |
| 620 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0); |
| 621 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1); |
| 622 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 623 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3); |
| 624 | udelay(200); |
| 625 | break; |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 626 | case 742500000: |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 627 | /* |
| 628 | * 720p60/720p50/1080i60/1080i50 |
| 629 | * 1080p24/1080p30/1080p25 case |
| 630 | */ |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 631 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 632 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 633 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG); |
| 634 | REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG); |
| 635 | REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG); |
| 636 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG); |
| 637 | REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG); |
| 638 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 639 | REG_W(0x52, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 640 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2); |
| 641 | REG_W(0x56, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 642 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4); |
| 643 | REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0); |
| 644 | REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1); |
| 645 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 646 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG); |
| 647 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 648 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 649 | REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8); |
| 650 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9); |
| 651 | REG_W(0xE6, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10); |
| 652 | REG_W(0x02, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 653 | REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 654 | udelay(50); |
| 655 | |
| 656 | REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 657 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1); |
| 658 | REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 659 | REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0); |
| 660 | REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1); |
| 661 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 662 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 663 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 664 | REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0); |
| 665 | REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1); |
| 666 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0); |
| 667 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1); |
| 668 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 669 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3); |
| 670 | udelay(200); |
| 671 | break; |
| 672 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 673 | case 1080000000: |
Manoj Rao | 6c1d279 | 2013-05-08 11:59:38 -0700 | [diff] [blame] | 674 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 675 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 676 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG); |
| 677 | REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG); |
| 678 | REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG); |
| 679 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG); |
| 680 | REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG); |
| 681 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0); |
| 682 | REG_W(0x5B, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1); |
| 683 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2); |
| 684 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3); |
| 685 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4); |
| 686 | REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0); |
| 687 | REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1); |
| 688 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2); |
Manoj Rao | 6c1d279 | 2013-05-08 11:59:38 -0700 | [diff] [blame] | 689 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG); |
| 690 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG); |
| 691 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2); |
| 692 | REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8); |
| 693 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9); |
| 694 | REG_W(0x38, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10); |
| 695 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11); |
| 696 | REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 697 | udelay(50); |
| 698 | |
| 699 | REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 700 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1); |
| 701 | REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 702 | REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0); |
| 703 | REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1); |
| 704 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 705 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 706 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 707 | REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0); |
| 708 | REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1); |
| 709 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0); |
| 710 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1); |
| 711 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 712 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3); |
| 713 | udelay(200); |
| 714 | break; |
| 715 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 716 | case 1342500000: |
Ujwal Patel | e698fae | 2012-11-29 14:04:33 -0800 | [diff] [blame] | 717 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 718 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 719 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG); |
| 720 | REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG); |
| 721 | REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG); |
| 722 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG); |
| 723 | REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG); |
| 724 | REG_W(0x36, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0); |
| 725 | REG_W(0x61, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1); |
| 726 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2); |
| 727 | REG_W(0xF6, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3); |
| 728 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4); |
| 729 | REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0); |
| 730 | REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1); |
| 731 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2); |
Ujwal Patel | e698fae | 2012-11-29 14:04:33 -0800 | [diff] [blame] | 732 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG); |
| 733 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG); |
| 734 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2); |
| 735 | REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8); |
| 736 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9); |
| 737 | REG_W(0x3E, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10); |
| 738 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11); |
| 739 | REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 740 | udelay(50); |
| 741 | |
| 742 | REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 743 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1); |
| 744 | REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 745 | REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0); |
| 746 | REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1); |
| 747 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 748 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 749 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 750 | REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0); |
| 751 | REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1); |
| 752 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0); |
| 753 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1); |
| 754 | REG_W(0x11, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 755 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3); |
| 756 | udelay(200); |
| 757 | break; |
| 758 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 759 | case 1485000000: |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 760 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 761 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 762 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG); |
| 763 | REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG); |
| 764 | REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG); |
| 765 | REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG); |
| 766 | REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG); |
| 767 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 768 | REG_W(0x65, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 769 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 770 | REG_W(0xAC, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3); |
| 771 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4); |
| 772 | REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0); |
| 773 | REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1); |
| 774 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 775 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG); |
| 776 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 777 | REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 778 | REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8); |
| 779 | REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9); |
| 780 | REG_W(0xCD, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10); |
| 781 | REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11); |
Ujwal Patel | c801765 | 2012-11-15 18:03:01 -0800 | [diff] [blame] | 782 | REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 783 | udelay(50); |
| 784 | |
| 785 | REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 786 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1); |
| 787 | REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 788 | REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0); |
| 789 | REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1); |
| 790 | REG_W(0x06, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 791 | REG_W(0x03, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 792 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 793 | REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0); |
| 794 | REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1); |
| 795 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0); |
| 796 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1); |
| 797 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 798 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3); |
| 799 | udelay(200); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 800 | break; |
| 801 | |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 802 | default: |
Ajay Singh Parmar | c4d53dc | 2013-09-03 17:19:16 -0700 | [diff] [blame] | 803 | pr_debug("%s: Use pll settings calculator for rate=%ld\n", |
| 804 | __func__, rate); |
| 805 | |
| 806 | REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG); |
| 807 | hdmi_phy_pll_calculator(rate); |
| 808 | REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0); |
| 809 | udelay(50); |
| 810 | |
| 811 | REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG); |
| 812 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1); |
| 813 | REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 814 | REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0); |
| 815 | REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1); |
| 816 | |
| 817 | if (rate < 825000000) { |
| 818 | REG_W(0x01, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 819 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 820 | } else if (rate >= 825000000 && rate < 1342500000) { |
| 821 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 822 | REG_W(0x03, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 823 | } else { |
| 824 | REG_W(0x06, hdmi_phy_base + HDMI_PHY_ANA_CFG2); |
| 825 | REG_W(0x03, hdmi_phy_base + HDMI_PHY_ANA_CFG3); |
| 826 | } |
| 827 | |
| 828 | REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG); |
| 829 | REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0); |
| 830 | REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1); |
| 831 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0); |
| 832 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1); |
| 833 | |
| 834 | if (rate < 825000000) |
| 835 | REG_W(0x01, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 836 | else |
| 837 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2); |
| 838 | |
| 839 | REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3); |
| 840 | REG_W(0x62, hdmi_phy_base + HDMI_PHY_BIST_PATN0); |
| 841 | REG_W(0x03, hdmi_phy_base + HDMI_PHY_BIST_PATN1); |
| 842 | REG_W(0x69, hdmi_phy_base + HDMI_PHY_BIST_PATN2); |
| 843 | REG_W(0x02, hdmi_phy_base + HDMI_PHY_BIST_PATN3); |
| 844 | |
| 845 | udelay(200); |
| 846 | |
| 847 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_BIST_CFG1); |
| 848 | REG_W(0x00, hdmi_phy_base + HDMI_PHY_BIST_CFG0); |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 849 | } |
| 850 | |
| 851 | /* Make sure writes complete before disabling iface clock */ |
| 852 | mb(); |
| 853 | |
Ajay Singh Parmar | 6e09028 | 2013-09-30 21:43:57 -0700 | [diff] [blame] | 854 | mdss_ahb_clk_enable(0); |
Vikram Mulukutla | 5d581bd | 2012-11-30 11:51:41 -0800 | [diff] [blame] | 855 | |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 856 | if (set_power_dwn) |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 857 | hdmi_vco_enable(c); |
| 858 | |
| 859 | vco->rate = rate; |
| 860 | vco->rate_set = true; |
Abhishek Kharbanda | c155984 | 2012-08-13 18:45:02 -0700 | [diff] [blame] | 861 | |
| 862 | return 0; |
| 863 | } /* hdmi_pll_set_rate */ |
| 864 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 865 | int set_byte_mux_sel(struct mux_clk *clk, int sel) |
| 866 | { |
| 867 | pr_debug("%s: byte mux set to %s mode\n", __func__, |
| 868 | sel ? "indirect" : "direct"); |
| 869 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_VREG_CFG, |
| 870 | (sel << 1)); |
| 871 | return 0; |
| 872 | } |
| 873 | |
| 874 | int get_byte_mux_sel(struct mux_clk *clk) |
| 875 | { |
| 876 | int mux_mode; |
| 877 | |
| 878 | if (mdss_ahb_clk_enable(1)) { |
| 879 | pr_debug("%s: Failed to enable mdss ahb clock\n", __func__); |
| 880 | return 0; |
| 881 | } |
| 882 | |
| 883 | mux_mode = DSS_REG_R(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_VREG_CFG) |
| 884 | & BIT(1); |
| 885 | pr_debug("%s: byte mux mode = %s", __func__, |
| 886 | mux_mode ? "indirect" : "direct"); |
| 887 | |
| 888 | mdss_ahb_clk_enable(0); |
| 889 | return !!mux_mode; |
| 890 | } |
| 891 | |
| 892 | static inline struct dsi_pll_vco_clk *to_vco_clk(struct clk *clk) |
| 893 | { |
| 894 | return container_of(clk, struct dsi_pll_vco_clk, c); |
| 895 | } |
| 896 | |
| 897 | /* |
| 898 | * When the display is turned off, the display registers are wiped out. |
| 899 | * Temporarily use the prepare ops to restore the register values. |
| 900 | * |
| 901 | */ |
| 902 | int div_prepare(struct clk *c) |
| 903 | { |
| 904 | struct div_clk *div = to_div_clk(c); |
| 905 | /* Restore the divider's value */ |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 906 | return div->ops->set_div(div, div->data.div); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 907 | } |
| 908 | |
| 909 | int mux_prepare(struct clk *c) |
| 910 | { |
| 911 | struct mux_clk *mux = to_mux_clk(c); |
| 912 | int i, rc, sel = 0; |
| 913 | |
| 914 | rc = mdss_ahb_clk_enable(1); |
| 915 | if (rc) { |
| 916 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 917 | __func__, rc); |
| 918 | return rc; |
| 919 | } |
| 920 | |
| 921 | for (i = 0; i < mux->num_parents; i++) |
| 922 | if (mux->parents[i].src == c->parent) { |
| 923 | sel = mux->parents[i].sel; |
| 924 | break; |
| 925 | } |
| 926 | |
| 927 | if (i == mux->num_parents) { |
| 928 | rc = -EINVAL; |
| 929 | goto error; |
| 930 | } |
| 931 | |
| 932 | /* Restore the mux source select value */ |
| 933 | rc = mux->ops->set_mux_sel(mux, sel); |
| 934 | |
| 935 | error: |
| 936 | mdss_ahb_clk_enable(0); |
| 937 | return rc; |
| 938 | } |
| 939 | |
| 940 | static int fixed_4div_set_div(struct div_clk *clk, int div) |
| 941 | { |
| 942 | int rc = 0; |
| 943 | |
| 944 | rc = mdss_ahb_clk_enable(1); |
| 945 | if (rc) { |
| 946 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 947 | __func__, rc); |
| 948 | return rc; |
| 949 | } |
| 950 | |
| 951 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_POSTDIV2_CFG, |
| 952 | (div - 1)); |
| 953 | |
| 954 | mdss_ahb_clk_enable(0); |
| 955 | return 0; |
| 956 | } |
| 957 | |
| 958 | static int fixed_4div_get_div(struct div_clk *clk) |
| 959 | { |
| 960 | int div = 0; |
| 961 | |
| 962 | if (mdss_ahb_clk_enable(1)) { |
| 963 | pr_debug("%s: Failed to enable mdss ahb clock\n", __func__); |
| 964 | return 1; |
| 965 | } |
| 966 | div = DSS_REG_R(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_POSTDIV2_CFG); |
| 967 | mdss_ahb_clk_enable(0); |
| 968 | return div + 1; |
| 969 | } |
| 970 | |
| 971 | static int digital_set_div(struct div_clk *clk, int div) |
| 972 | { |
| 973 | int rc = 0; |
| 974 | |
| 975 | rc = mdss_ahb_clk_enable(1); |
| 976 | if (rc) { |
| 977 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 978 | __func__, rc); |
| 979 | return rc; |
| 980 | } |
| 981 | |
| 982 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_POSTDIV3_CFG, |
| 983 | (div - 1)); |
| 984 | |
| 985 | mdss_ahb_clk_enable(0); |
| 986 | return 0; |
| 987 | } |
| 988 | |
| 989 | static int digital_get_div(struct div_clk *clk) |
| 990 | { |
| 991 | int div = 0; |
| 992 | |
| 993 | if (mdss_ahb_clk_enable(1)) { |
| 994 | pr_debug("%s: Failed to enable mdss ahb clock\n", __func__); |
| 995 | return 1; |
| 996 | } |
| 997 | div = DSS_REG_R(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_POSTDIV3_CFG); |
| 998 | mdss_ahb_clk_enable(0); |
| 999 | return div + 1; |
| 1000 | } |
| 1001 | |
| 1002 | static int analog_set_div(struct div_clk *clk, int div) |
| 1003 | { |
| 1004 | int rc = 0; |
| 1005 | |
| 1006 | rc = mdss_ahb_clk_enable(1); |
| 1007 | if (rc) { |
| 1008 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 1009 | __func__, rc); |
| 1010 | return rc; |
| 1011 | } |
| 1012 | |
| 1013 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_POSTDIV1_CFG, |
| 1014 | div - 1); |
| 1015 | |
| 1016 | mdss_ahb_clk_enable(0); |
| 1017 | return 0; |
| 1018 | } |
| 1019 | |
| 1020 | static int analog_get_div(struct div_clk *clk) |
| 1021 | { |
| 1022 | int div = 0; |
| 1023 | |
| 1024 | if (mdss_ahb_clk_enable(1)) { |
| 1025 | pr_debug("%s: Failed to enable mdss ahb clock\n", __func__); |
| 1026 | return 1; |
| 1027 | } |
| 1028 | div = DSS_REG_R(mdss_dsi_base, |
| 1029 | DSI_0_PHY_PLL_UNIPHY_PLL_POSTDIV1_CFG) + 1; |
| 1030 | mdss_ahb_clk_enable(0); |
| 1031 | return div; |
| 1032 | } |
| 1033 | |
Aravind Venkateswaran | b38f830 | 2013-06-27 16:49:44 -0700 | [diff] [blame] | 1034 | static void dsi_pll_toggle_lock_detect(void) |
| 1035 | { |
| 1036 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_LKDET_CFG2, |
| 1037 | 0x05); |
| 1038 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_LKDET_CFG2, |
| 1039 | 0x04); |
| 1040 | udelay(1); |
| 1041 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_LKDET_CFG2, |
| 1042 | 0x05); |
| 1043 | } |
| 1044 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1045 | static int dsi_pll_lock_status(void) |
| 1046 | { |
| 1047 | u32 status; |
| 1048 | int pll_locked = 0; |
| 1049 | |
| 1050 | /* poll for PLL ready status */ |
| 1051 | if (readl_poll_timeout_noirq((mdss_dsi_base + |
| 1052 | DSI_0_PHY_PLL_UNIPHY_PLL_STATUS), |
| 1053 | status, |
| 1054 | ((status & BIT(0)) == 1), |
| 1055 | PLL_POLL_MAX_READS, PLL_POLL_TIMEOUT_US)) { |
| 1056 | pr_debug("%s: DSI PLL status=%x failed to Lock\n", |
| 1057 | __func__, status); |
| 1058 | pll_locked = 0; |
| 1059 | } else { |
| 1060 | pll_locked = 1; |
| 1061 | } |
| 1062 | |
| 1063 | return pll_locked; |
| 1064 | } |
| 1065 | |
Aravind Venkateswaran | fe2fa6e | 2013-07-06 22:42:58 -0700 | [diff] [blame] | 1066 | static inline int dsi_pll_toggle_lock_detect_and_check_status(void) |
| 1067 | { |
| 1068 | dsi_pll_toggle_lock_detect(); |
| 1069 | return dsi_pll_lock_status(); |
| 1070 | } |
| 1071 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1072 | static void dsi_pll_software_reset(void) |
| 1073 | { |
| 1074 | /* |
| 1075 | * Add HW recommended delays after toggling the software |
| 1076 | * reset bit off and back on. |
| 1077 | */ |
| 1078 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_TEST_CFG, 0x01); |
| 1079 | udelay(1000); |
| 1080 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_TEST_CFG, 0x00); |
| 1081 | udelay(1000); |
| 1082 | } |
| 1083 | |
| 1084 | static int dsi_pll_enable_seq_m(void) |
| 1085 | { |
| 1086 | int i = 0; |
| 1087 | int pll_locked = 0; |
| 1088 | |
| 1089 | dsi_pll_software_reset(); |
| 1090 | |
| 1091 | /* |
| 1092 | * Add hardware recommended delays between register writes for |
| 1093 | * the updates to take effect. These delays are necessary for the |
| 1094 | * PLL to successfully lock |
| 1095 | */ |
| 1096 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x01); |
| 1097 | udelay(200); |
| 1098 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x05); |
| 1099 | udelay(200); |
| 1100 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0f); |
| 1101 | udelay(1000); |
| 1102 | |
Aravind Venkateswaran | fe2fa6e | 2013-07-06 22:42:58 -0700 | [diff] [blame] | 1103 | pll_locked = dsi_pll_toggle_lock_detect_and_check_status(); |
Aravind Venkateswaran | d3f41e5 | 2013-06-18 12:07:14 -0700 | [diff] [blame] | 1104 | for (i = 0; (i < 4) && !pll_locked; i++) { |
| 1105 | DSS_REG_W(mdss_dsi_base, |
| 1106 | DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x07); |
| 1107 | if (i != 0) |
| 1108 | DSS_REG_W(mdss_dsi_base, |
| 1109 | DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG1, 0x34); |
| 1110 | udelay(1); |
| 1111 | DSS_REG_W(mdss_dsi_base, |
| 1112 | DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0f); |
| 1113 | udelay(1000); |
Aravind Venkateswaran | fe2fa6e | 2013-07-06 22:42:58 -0700 | [diff] [blame] | 1114 | pll_locked = dsi_pll_toggle_lock_detect_and_check_status(); |
Aravind Venkateswaran | d3f41e5 | 2013-06-18 12:07:14 -0700 | [diff] [blame] | 1115 | } |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1116 | |
| 1117 | if (pll_locked) |
| 1118 | pr_debug("%s: PLL Locked at attempt #%d\n", __func__, i); |
| 1119 | else |
| 1120 | pr_debug("%s: PLL failed to lock after %d attempt(s)\n", |
| 1121 | __func__, i); |
| 1122 | |
| 1123 | return pll_locked ? 0 : -EINVAL; |
| 1124 | } |
| 1125 | |
| 1126 | static int dsi_pll_enable_seq_d(void) |
| 1127 | { |
| 1128 | int pll_locked = 0; |
| 1129 | |
| 1130 | dsi_pll_software_reset(); |
| 1131 | |
| 1132 | /* |
| 1133 | * Add hardware recommended delays between register writes for |
| 1134 | * the updates to take effect. These delays are necessary for the |
| 1135 | * PLL to successfully lock |
| 1136 | */ |
| 1137 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x01); |
Aravind Venkateswaran | d3f41e5 | 2013-06-18 12:07:14 -0700 | [diff] [blame] | 1138 | udelay(200); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1139 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x05); |
Aravind Venkateswaran | d3f41e5 | 2013-06-18 12:07:14 -0700 | [diff] [blame] | 1140 | udelay(200); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1141 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x07); |
Aravind Venkateswaran | d3f41e5 | 2013-06-18 12:07:14 -0700 | [diff] [blame] | 1142 | udelay(200); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1143 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x05); |
Aravind Venkateswaran | d3f41e5 | 2013-06-18 12:07:14 -0700 | [diff] [blame] | 1144 | udelay(200); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1145 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x07); |
Aravind Venkateswaran | d3f41e5 | 2013-06-18 12:07:14 -0700 | [diff] [blame] | 1146 | udelay(200); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1147 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0f); |
Aravind Venkateswaran | d3f41e5 | 2013-06-18 12:07:14 -0700 | [diff] [blame] | 1148 | udelay(1000); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1149 | |
Aravind Venkateswaran | fe2fa6e | 2013-07-06 22:42:58 -0700 | [diff] [blame] | 1150 | pll_locked = dsi_pll_toggle_lock_detect_and_check_status(); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1151 | pr_debug("%s: PLL status = %s\n", __func__, |
| 1152 | pll_locked ? "Locked" : "Unlocked"); |
| 1153 | |
| 1154 | return pll_locked ? 0 : -EINVAL; |
| 1155 | } |
| 1156 | |
| 1157 | static int dsi_pll_enable_seq_f1(void) |
| 1158 | { |
| 1159 | int pll_locked = 0; |
| 1160 | |
| 1161 | dsi_pll_software_reset(); |
| 1162 | |
| 1163 | /* |
| 1164 | * Add hardware recommended delays between register writes for |
| 1165 | * the updates to take effect. These delays are necessary for the |
| 1166 | * PLL to successfully lock |
| 1167 | */ |
| 1168 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x01); |
| 1169 | udelay(200); |
| 1170 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x05); |
| 1171 | udelay(200); |
| 1172 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0f); |
| 1173 | udelay(200); |
| 1174 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0d); |
| 1175 | udelay(200); |
| 1176 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0f); |
| 1177 | udelay(1000); |
| 1178 | |
Aravind Venkateswaran | fe2fa6e | 2013-07-06 22:42:58 -0700 | [diff] [blame] | 1179 | pll_locked = dsi_pll_toggle_lock_detect_and_check_status(); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1180 | pr_debug("%s: PLL status = %s\n", __func__, |
| 1181 | pll_locked ? "Locked" : "Unlocked"); |
| 1182 | |
| 1183 | return pll_locked ? 0 : -EINVAL; |
| 1184 | } |
| 1185 | |
| 1186 | static int dsi_pll_enable_seq_c(void) |
| 1187 | { |
| 1188 | int pll_locked = 0; |
| 1189 | |
| 1190 | dsi_pll_software_reset(); |
| 1191 | |
| 1192 | /* |
| 1193 | * Add hardware recommended delays between register writes for |
| 1194 | * the updates to take effect. These delays are necessary for the |
| 1195 | * PLL to successfully lock |
| 1196 | */ |
| 1197 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x01); |
| 1198 | udelay(200); |
| 1199 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x05); |
| 1200 | udelay(200); |
| 1201 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0f); |
| 1202 | udelay(1000); |
| 1203 | |
Aravind Venkateswaran | fe2fa6e | 2013-07-06 22:42:58 -0700 | [diff] [blame] | 1204 | pll_locked = dsi_pll_toggle_lock_detect_and_check_status(); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1205 | pr_debug("%s: PLL status = %s\n", __func__, |
| 1206 | pll_locked ? "Locked" : "Unlocked"); |
| 1207 | |
| 1208 | return pll_locked ? 0 : -EINVAL; |
| 1209 | } |
| 1210 | |
| 1211 | static int dsi_pll_enable_seq_e(void) |
| 1212 | { |
| 1213 | int pll_locked = 0; |
| 1214 | |
| 1215 | dsi_pll_software_reset(); |
| 1216 | |
| 1217 | /* |
| 1218 | * Add hardware recommended delays between register writes for |
| 1219 | * the updates to take effect. These delays are necessary for the |
| 1220 | * PLL to successfully lock |
| 1221 | */ |
| 1222 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x01); |
| 1223 | udelay(200); |
| 1224 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x05); |
| 1225 | udelay(200); |
| 1226 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0d); |
Aravind Venkateswaran | d3f41e5 | 2013-06-18 12:07:14 -0700 | [diff] [blame] | 1227 | udelay(1); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1228 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0f); |
| 1229 | udelay(1000); |
| 1230 | |
Aravind Venkateswaran | fe2fa6e | 2013-07-06 22:42:58 -0700 | [diff] [blame] | 1231 | pll_locked = dsi_pll_toggle_lock_detect_and_check_status(); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1232 | pr_debug("%s: PLL status = %s\n", __func__, |
| 1233 | pll_locked ? "Locked" : "Unlocked"); |
| 1234 | |
| 1235 | return pll_locked ? 0 : -EINVAL; |
| 1236 | } |
| 1237 | |
| 1238 | static int dsi_pll_enable_seq_8974(void) |
| 1239 | { |
| 1240 | int i, rc = 0; |
| 1241 | u32 status, max_reads, timeout_us; |
| 1242 | |
| 1243 | dsi_pll_software_reset(); |
| 1244 | |
| 1245 | /* |
| 1246 | * PLL power up sequence. |
| 1247 | * Add necessary delays recommeded by hardware. |
| 1248 | */ |
| 1249 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x01); |
| 1250 | udelay(1000); |
| 1251 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x05); |
| 1252 | udelay(1000); |
| 1253 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x07); |
| 1254 | udelay(1000); |
| 1255 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x0f); |
| 1256 | udelay(1000); |
| 1257 | |
| 1258 | for (i = 0; i < 3; i++) { |
| 1259 | /* DSI Uniphy lock detect setting */ |
| 1260 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_LKDET_CFG2, |
| 1261 | 0x04); |
| 1262 | udelay(100); |
| 1263 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_LKDET_CFG2, |
| 1264 | 0x05); |
| 1265 | udelay(500); |
| 1266 | /* poll for PLL ready status */ |
| 1267 | max_reads = 5; |
| 1268 | timeout_us = 100; |
| 1269 | if (readl_poll_timeout_noirq((mdss_dsi_base + |
| 1270 | DSI_0_PHY_PLL_UNIPHY_PLL_STATUS), |
| 1271 | status, |
| 1272 | ((status & 0x01) == 1), |
| 1273 | max_reads, timeout_us)) { |
| 1274 | pr_debug("%s: DSI PLL status=%x failed to Lock\n", |
| 1275 | __func__, status); |
| 1276 | pr_debug("%s:Trying to power UP PLL again\n", |
| 1277 | __func__); |
| 1278 | } else { |
| 1279 | break; |
| 1280 | } |
| 1281 | |
| 1282 | dsi_pll_software_reset(); |
| 1283 | /* |
| 1284 | * PLL power up sequence. |
| 1285 | * Add necessary delays recommeded by hardware. |
| 1286 | */ |
| 1287 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x1); |
| 1288 | udelay(1000); |
| 1289 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x5); |
| 1290 | udelay(1000); |
| 1291 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x7); |
| 1292 | udelay(1000); |
| 1293 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x5); |
| 1294 | udelay(1000); |
| 1295 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x7); |
| 1296 | udelay(1000); |
| 1297 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0xf); |
| 1298 | udelay(2000); |
| 1299 | |
| 1300 | } |
| 1301 | |
| 1302 | if ((status & 0x01) != 1) { |
| 1303 | pr_debug("%s: DSI PLL status=%x failed to Lock\n", |
| 1304 | __func__, status); |
| 1305 | rc = -EINVAL; |
| 1306 | goto error; |
| 1307 | } |
| 1308 | |
| 1309 | pr_debug("%s: DSI PLL Lock success\n", __func__); |
| 1310 | |
| 1311 | error: |
| 1312 | return rc; |
| 1313 | } |
| 1314 | |
Aravind Venkateswaran | ae7c52f | 2013-07-13 14:47:14 -0700 | [diff] [blame] | 1315 | static int dsi_pll_enable(struct clk *c) |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1316 | { |
| 1317 | int i, rc = 0; |
| 1318 | struct dsi_pll_vco_clk *vco = to_vco_clk(c); |
| 1319 | |
Huaibin Yang | 3931cb7 | 2013-07-12 10:48:59 -0700 | [diff] [blame] | 1320 | if (!mdss_gdsc_enabled()) { |
| 1321 | pr_err("%s: mdss GDSC is not enabled\n", __func__); |
| 1322 | return -EPERM; |
| 1323 | } |
| 1324 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1325 | rc = clk_enable(mdss_ahb_clk); |
| 1326 | if (rc) { |
| 1327 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 1328 | __func__, rc); |
| 1329 | return rc; |
| 1330 | } |
| 1331 | |
| 1332 | /* Try all enable sequences until one succeeds */ |
| 1333 | for (i = 0; i < vco->pll_en_seq_cnt; i++) { |
| 1334 | rc = vco->pll_enable_seqs[i](); |
| 1335 | pr_debug("%s: DSI PLL %s after sequence #%d\n", __func__, |
| 1336 | rc ? "unlocked" : "locked", i + 1); |
| 1337 | if (!rc) |
| 1338 | break; |
| 1339 | } |
| 1340 | clk_disable(mdss_ahb_clk); |
| 1341 | |
| 1342 | if (rc) |
| 1343 | pr_err("%s: DSI PLL failed to lock\n", __func__); |
| 1344 | |
| 1345 | return rc; |
| 1346 | } |
| 1347 | |
Aravind Venkateswaran | ae7c52f | 2013-07-13 14:47:14 -0700 | [diff] [blame] | 1348 | static void dsi_pll_disable(struct clk *c) |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1349 | { |
| 1350 | int rc = 0; |
| 1351 | |
Huaibin Yang | 3931cb7 | 2013-07-12 10:48:59 -0700 | [diff] [blame] | 1352 | if (!mdss_gdsc_enabled()) { |
| 1353 | pr_warn("%s: mdss GDSC disabled before disabling DSI PLL\n", |
| 1354 | __func__); |
| 1355 | return; |
| 1356 | } |
| 1357 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1358 | rc = clk_enable(mdss_ahb_clk); |
| 1359 | if (rc) { |
| 1360 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 1361 | __func__, rc); |
| 1362 | return; |
| 1363 | } |
| 1364 | |
| 1365 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x00); |
| 1366 | |
| 1367 | clk_disable(mdss_ahb_clk); |
| 1368 | pr_debug("%s: DSI PLL Disabled\n", __func__); |
| 1369 | return; |
| 1370 | } |
| 1371 | |
| 1372 | static int vco_set_rate(struct clk *c, unsigned long rate) |
| 1373 | { |
| 1374 | s64 vco_clk_rate = rate; |
| 1375 | s32 rem; |
| 1376 | s64 refclk_cfg, frac_n_mode, ref_doubler_en_b; |
| 1377 | s64 ref_clk_to_pll, div_fbx1000, frac_n_value; |
| 1378 | s64 sdm_cfg0, sdm_cfg1, sdm_cfg2, sdm_cfg3; |
| 1379 | s64 gen_vco_clk, cal_cfg10, cal_cfg11; |
| 1380 | u32 res; |
| 1381 | int i, rc = 0; |
| 1382 | struct dsi_pll_vco_clk *vco = to_vco_clk(c); |
| 1383 | |
| 1384 | rc = mdss_ahb_clk_enable(1); |
| 1385 | if (rc) { |
| 1386 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 1387 | __func__, rc); |
| 1388 | return rc; |
| 1389 | } |
| 1390 | |
| 1391 | /* Configure the Loop filter resistance */ |
| 1392 | for (i = 0; i < vco->lpfr_lut_size; i++) |
| 1393 | if (vco_clk_rate <= vco->lpfr_lut[i].vco_rate) |
| 1394 | break; |
| 1395 | if (i == vco->lpfr_lut_size) { |
| 1396 | pr_err("%s: unable to get loop filter resistance. vco=%ld\n", |
| 1397 | __func__, rate); |
| 1398 | rc = -EINVAL; |
| 1399 | goto error; |
| 1400 | } |
| 1401 | res = vco->lpfr_lut[i].r; |
| 1402 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_LPFR_CFG, res); |
| 1403 | |
| 1404 | /* Loop filter capacitance values : c1 and c2 */ |
| 1405 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_LPFC1_CFG, 0x70); |
| 1406 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_LPFC2_CFG, 0x15); |
| 1407 | |
| 1408 | div_s64_rem(vco_clk_rate, vco->ref_clk_rate, &rem); |
| 1409 | if (rem) { |
| 1410 | refclk_cfg = 0x1; |
| 1411 | frac_n_mode = 1; |
| 1412 | ref_doubler_en_b = 0; |
| 1413 | } else { |
| 1414 | refclk_cfg = 0x0; |
| 1415 | frac_n_mode = 0; |
| 1416 | ref_doubler_en_b = 1; |
| 1417 | } |
| 1418 | |
| 1419 | pr_debug("%s:refclk_cfg = %lld\n", __func__, refclk_cfg); |
| 1420 | |
| 1421 | ref_clk_to_pll = ((vco->ref_clk_rate * 2 * (refclk_cfg)) |
| 1422 | + (ref_doubler_en_b * vco->ref_clk_rate)); |
| 1423 | div_fbx1000 = div_s64((vco_clk_rate * 1000), ref_clk_to_pll); |
| 1424 | |
| 1425 | div_s64_rem(div_fbx1000, 1000, &rem); |
| 1426 | frac_n_value = div_s64((rem * (1 << 16)), 1000); |
| 1427 | gen_vco_clk = div_s64(div_fbx1000 * ref_clk_to_pll, 1000); |
| 1428 | |
| 1429 | pr_debug("%s:ref_clk_to_pll = %lld\n", __func__, ref_clk_to_pll); |
| 1430 | pr_debug("%s:div_fb = %lld\n", __func__, div_fbx1000); |
| 1431 | pr_debug("%s:frac_n_value = %lld\n", __func__, frac_n_value); |
| 1432 | |
| 1433 | pr_debug("%s:Generated VCO Clock: %lld\n", __func__, gen_vco_clk); |
| 1434 | rem = 0; |
| 1435 | if (frac_n_mode) { |
| 1436 | sdm_cfg0 = (0x0 << 5); |
| 1437 | sdm_cfg0 |= (0x0 & 0x3f); |
| 1438 | sdm_cfg1 = (div_s64(div_fbx1000, 1000) & 0x3f) - 1; |
| 1439 | sdm_cfg3 = div_s64_rem(frac_n_value, 256, &rem); |
| 1440 | sdm_cfg2 = rem; |
| 1441 | } else { |
| 1442 | sdm_cfg0 = (0x1 << 5); |
| 1443 | sdm_cfg0 |= (div_s64(div_fbx1000, 1000) & 0x3f) - 1; |
| 1444 | sdm_cfg1 = (0x0 & 0x3f); |
| 1445 | sdm_cfg2 = 0; |
| 1446 | sdm_cfg3 = 0; |
| 1447 | } |
| 1448 | |
| 1449 | pr_debug("%s: sdm_cfg0=%lld\n", __func__, sdm_cfg0); |
| 1450 | pr_debug("%s: sdm_cfg1=%lld\n", __func__, sdm_cfg1); |
| 1451 | pr_debug("%s: sdm_cfg2=%lld\n", __func__, sdm_cfg2); |
| 1452 | pr_debug("%s: sdm_cfg3=%lld\n", __func__, sdm_cfg3); |
| 1453 | |
| 1454 | cal_cfg11 = div_s64_rem(gen_vco_clk, 256 * 1000000, &rem); |
| 1455 | cal_cfg10 = rem / 1000000; |
| 1456 | pr_debug("%s: cal_cfg10=%lld, cal_cfg11=%lld\n", __func__, |
| 1457 | cal_cfg10, cal_cfg11); |
| 1458 | |
| 1459 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CHGPUMP_CFG, 0x02); |
| 1460 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG3, 0x2b); |
| 1461 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG4, 0x66); |
| 1462 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_LKDET_CFG2, 0x05); |
| 1463 | |
| 1464 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG1, |
| 1465 | (u32)(sdm_cfg1 & 0xff)); |
| 1466 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG2, |
| 1467 | (u32)(sdm_cfg2 & 0xff)); |
| 1468 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG3, |
| 1469 | (u32)(sdm_cfg3 & 0xff)); |
| 1470 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG4, 0x00); |
| 1471 | |
| 1472 | /* Add hardware recommended delay for correct PLL configuration */ |
| 1473 | udelay(1000); |
| 1474 | |
| 1475 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_REFCLK_CFG, |
| 1476 | (u32)refclk_cfg); |
| 1477 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_PWRGEN_CFG, 0x00); |
| 1478 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_VCOLPF_CFG, 0x71); |
| 1479 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG0, |
| 1480 | (u32)sdm_cfg0); |
| 1481 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG0, 0x0a); |
| 1482 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG6, 0x30); |
| 1483 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG7, 0x00); |
| 1484 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG8, 0x60); |
| 1485 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG9, 0x00); |
| 1486 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG10, |
| 1487 | (u32)(cal_cfg10 & 0xff)); |
| 1488 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_CAL_CFG11, |
| 1489 | (u32)(cal_cfg11 & 0xff)); |
| 1490 | DSS_REG_W(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_EFUSE_CFG, 0x20); |
| 1491 | |
| 1492 | error: |
| 1493 | mdss_ahb_clk_enable(0); |
| 1494 | return rc; |
| 1495 | } |
| 1496 | |
| 1497 | /* rate is the bit clk rate */ |
| 1498 | static long vco_round_rate(struct clk *c, unsigned long rate) |
| 1499 | { |
| 1500 | unsigned long rrate = rate; |
| 1501 | struct dsi_pll_vco_clk *vco = to_vco_clk(c); |
| 1502 | |
| 1503 | if (rate < vco->min_rate) |
| 1504 | rrate = vco->min_rate; |
| 1505 | if (rate > vco->max_rate) |
| 1506 | rrate = vco->max_rate; |
| 1507 | |
| 1508 | return rrate; |
| 1509 | } |
| 1510 | |
| 1511 | static unsigned long vco_get_rate(struct clk *c) |
| 1512 | { |
| 1513 | u32 sdm0, doubler, sdm_byp_div; |
| 1514 | u64 vco_rate; |
| 1515 | u32 sdm_dc_off, sdm_freq_seed, sdm2, sdm3; |
| 1516 | struct dsi_pll_vco_clk *vco = to_vco_clk(c); |
| 1517 | u64 ref_clk = vco->ref_clk_rate; |
| 1518 | |
| 1519 | /* Check to see if the ref clk doubler is enabled */ |
| 1520 | doubler = DSS_REG_R(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_REFCLK_CFG) |
| 1521 | & BIT(0); |
| 1522 | ref_clk += (doubler * vco->ref_clk_rate); |
| 1523 | |
| 1524 | /* see if it is integer mode or sdm mode */ |
| 1525 | sdm0 = DSS_REG_R(mdss_dsi_base, DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG0); |
| 1526 | if (sdm0 & BIT(6)) { |
| 1527 | /* integer mode */ |
| 1528 | sdm_byp_div = (DSS_REG_R(mdss_dsi_base, |
| 1529 | DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG0) & 0x3f) + 1; |
| 1530 | vco_rate = ref_clk * sdm_byp_div; |
| 1531 | } else { |
| 1532 | /* sdm mode */ |
| 1533 | sdm_dc_off = DSS_REG_R(mdss_dsi_base, |
| 1534 | DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG1) & 0xFF; |
| 1535 | pr_debug("%s: sdm_dc_off = %d\n", __func__, sdm_dc_off); |
| 1536 | sdm2 = DSS_REG_R(mdss_dsi_base, |
| 1537 | DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG2) & 0xFF; |
| 1538 | sdm3 = DSS_REG_R(mdss_dsi_base, |
| 1539 | DSI_0_PHY_PLL_UNIPHY_PLL_SDM_CFG3) & 0xFF; |
| 1540 | sdm_freq_seed = (sdm3 << 8) | sdm2; |
| 1541 | pr_debug("%s: sdm_freq_seed = %d\n", __func__, sdm_freq_seed); |
| 1542 | |
| 1543 | vco_rate = (ref_clk * (sdm_dc_off + 1)) + |
| 1544 | mult_frac(ref_clk, sdm_freq_seed, BIT(16)); |
| 1545 | pr_debug("%s: vco rate = %lld", __func__, vco_rate); |
| 1546 | } |
| 1547 | |
| 1548 | pr_debug("%s: returning vco rate = %lu\n", __func__, |
| 1549 | (unsigned long)vco_rate); |
| 1550 | return (unsigned long)vco_rate; |
| 1551 | } |
| 1552 | |
| 1553 | static enum handoff vco_handoff(struct clk *c) |
| 1554 | { |
| 1555 | int rc = 0; |
| 1556 | enum handoff ret = HANDOFF_DISABLED_CLK; |
| 1557 | |
| 1558 | rc = mdss_ahb_clk_enable(1); |
| 1559 | if (rc) { |
| 1560 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 1561 | __func__, rc); |
| 1562 | return ret; |
| 1563 | } |
| 1564 | if (dsi_pll_lock_status()) { |
| 1565 | c->rate = vco_get_rate(c); |
| 1566 | ret = HANDOFF_ENABLED_CLK; |
| 1567 | } |
| 1568 | |
| 1569 | mdss_ahb_clk_enable(0); |
| 1570 | return ret; |
| 1571 | } |
| 1572 | |
| 1573 | static int vco_prepare(struct clk *c) |
| 1574 | { |
Aravind Venkateswaran | ae7c52f | 2013-07-13 14:47:14 -0700 | [diff] [blame] | 1575 | int rc = 0; |
| 1576 | |
Chandan Uddaraju | 834d483 | 2013-08-27 13:18:08 -0700 | [diff] [blame] | 1577 | if ((vco_cached_rate != 0) |
| 1578 | && (vco_cached_rate == c->rate)) { |
Aravind Venkateswaran | ae7c52f | 2013-07-13 14:47:14 -0700 | [diff] [blame] | 1579 | rc = vco_set_rate(c, vco_cached_rate); |
| 1580 | if (rc) { |
| 1581 | pr_err("%s: vco_set_rate failed. rc=%d\n", |
| 1582 | __func__, rc); |
| 1583 | goto error; |
| 1584 | } |
| 1585 | } |
| 1586 | |
| 1587 | rc = dsi_pll_enable(c); |
| 1588 | |
| 1589 | error: |
| 1590 | return rc; |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1591 | } |
| 1592 | |
| 1593 | static void vco_unprepare(struct clk *c) |
| 1594 | { |
| 1595 | vco_cached_rate = c->rate; |
Aravind Venkateswaran | ae7c52f | 2013-07-13 14:47:14 -0700 | [diff] [blame] | 1596 | dsi_pll_disable(c); |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1597 | } |
| 1598 | |
| 1599 | /* Op structures */ |
| 1600 | |
| 1601 | static struct clk_ops clk_ops_dsi_vco = { |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1602 | .set_rate = vco_set_rate, |
| 1603 | .round_rate = vco_round_rate, |
| 1604 | .handoff = vco_handoff, |
| 1605 | .prepare = vco_prepare, |
| 1606 | .unprepare = vco_unprepare, |
| 1607 | }; |
| 1608 | |
| 1609 | static struct clk_div_ops fixed_2div_ops; |
| 1610 | |
| 1611 | static struct clk_div_ops fixed_4div_ops = { |
| 1612 | .set_div = fixed_4div_set_div, |
| 1613 | .get_div = fixed_4div_get_div, |
| 1614 | }; |
| 1615 | |
| 1616 | static struct clk_div_ops analog_postdiv_ops = { |
| 1617 | .set_div = analog_set_div, |
| 1618 | .get_div = analog_get_div, |
| 1619 | }; |
| 1620 | |
| 1621 | static struct clk_div_ops digital_postdiv_ops = { |
| 1622 | .set_div = digital_set_div, |
| 1623 | .get_div = digital_get_div, |
| 1624 | }; |
| 1625 | |
| 1626 | struct clk_mux_ops byte_mux_ops = { |
| 1627 | .set_mux_sel = set_byte_mux_sel, |
| 1628 | .get_mux_sel = get_byte_mux_sel, |
| 1629 | }; |
| 1630 | |
| 1631 | struct clk_ops byte_mux_clk_ops; |
| 1632 | |
| 1633 | static struct clk_ops pixel_clk_src_ops; |
| 1634 | static struct clk_ops byte_clk_src_ops; |
| 1635 | static struct clk_ops analog_potsdiv_clk_ops; |
| 1636 | |
| 1637 | /* Display clocks */ |
| 1638 | |
| 1639 | struct dsi_pll_vco_clk dsi_vco_clk_8226 = { |
| 1640 | .ref_clk_rate = 19200000, |
| 1641 | .min_rate = 350000000, |
| 1642 | .max_rate = 750000000, |
| 1643 | .pll_en_seq_cnt = 6, |
| 1644 | .pll_enable_seqs[0] = dsi_pll_enable_seq_m, |
| 1645 | .pll_enable_seqs[1] = dsi_pll_enable_seq_d, |
| 1646 | .pll_enable_seqs[2] = dsi_pll_enable_seq_d, |
| 1647 | .pll_enable_seqs[3] = dsi_pll_enable_seq_f1, |
| 1648 | .pll_enable_seqs[4] = dsi_pll_enable_seq_c, |
| 1649 | .pll_enable_seqs[5] = dsi_pll_enable_seq_e, |
| 1650 | .lpfr_lut_size = 10, |
| 1651 | .lpfr_lut = (struct lpfr_cfg[]){ |
| 1652 | {479500000, 8}, |
| 1653 | {480000000, 11}, |
| 1654 | {575500000, 8}, |
| 1655 | {576000000, 12}, |
| 1656 | {610500000, 8}, |
| 1657 | {659500000, 9}, |
| 1658 | {671500000, 10}, |
| 1659 | {672000000, 14}, |
| 1660 | {708500000, 10}, |
| 1661 | {750000000, 11}, |
| 1662 | }, |
| 1663 | .c = { |
| 1664 | .dbg_name = "dsi_vco_clk", |
| 1665 | .ops = &clk_ops_dsi_vco, |
| 1666 | CLK_INIT(dsi_vco_clk_8226.c), |
| 1667 | }, |
| 1668 | }; |
| 1669 | |
| 1670 | struct div_clk analog_postdiv_clk_8226 = { |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1671 | .data = { |
| 1672 | .max_div = 255, |
| 1673 | .min_div = 1, |
| 1674 | }, |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1675 | .ops = &analog_postdiv_ops, |
| 1676 | .c = { |
| 1677 | .parent = &dsi_vco_clk_8226.c, |
| 1678 | .dbg_name = "analog_postdiv_clk", |
| 1679 | .ops = &analog_potsdiv_clk_ops, |
| 1680 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 1681 | CLK_INIT(analog_postdiv_clk_8226.c), |
| 1682 | }, |
| 1683 | }; |
| 1684 | |
| 1685 | struct div_clk indirect_path_div2_clk_8226 = { |
| 1686 | .ops = &fixed_2div_ops, |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1687 | .data = { |
| 1688 | .div = 2, |
Junjie Wu | 4d3917d | 2013-10-01 21:11:45 -0700 | [diff] [blame] | 1689 | .min_div = 2, |
| 1690 | .max_div = 2, |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1691 | }, |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1692 | .c = { |
| 1693 | .parent = &analog_postdiv_clk_8226.c, |
| 1694 | .dbg_name = "indirect_path_div2_clk", |
| 1695 | .ops = &clk_ops_div, |
| 1696 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 1697 | CLK_INIT(indirect_path_div2_clk_8226.c), |
| 1698 | }, |
| 1699 | }; |
| 1700 | |
| 1701 | struct div_clk pixel_clk_src_8226 = { |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1702 | .data = { |
| 1703 | .max_div = 255, |
| 1704 | .min_div = 1, |
| 1705 | }, |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1706 | .ops = &digital_postdiv_ops, |
| 1707 | .c = { |
| 1708 | .parent = &dsi_vco_clk_8226.c, |
| 1709 | .dbg_name = "pixel_clk_src", |
| 1710 | .ops = &pixel_clk_src_ops, |
| 1711 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 1712 | CLK_INIT(pixel_clk_src_8226.c), |
| 1713 | }, |
| 1714 | }; |
| 1715 | |
| 1716 | struct mux_clk byte_mux_8226 = { |
| 1717 | .num_parents = 2, |
| 1718 | .parents = (struct clk_src[]){ |
| 1719 | {&dsi_vco_clk_8226.c, 0}, |
| 1720 | {&indirect_path_div2_clk_8226.c, 1}, |
| 1721 | }, |
| 1722 | .ops = &byte_mux_ops, |
| 1723 | .c = { |
| 1724 | .parent = &dsi_vco_clk_8226.c, |
| 1725 | .dbg_name = "byte_mux", |
| 1726 | .ops = &byte_mux_clk_ops, |
| 1727 | CLK_INIT(byte_mux_8226.c), |
| 1728 | }, |
| 1729 | }; |
| 1730 | |
| 1731 | struct div_clk byte_clk_src_8226 = { |
| 1732 | .ops = &fixed_4div_ops, |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1733 | .data = { |
| 1734 | .min_div = 4, |
| 1735 | .max_div = 4, |
| 1736 | }, |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1737 | .c = { |
| 1738 | .parent = &byte_mux_8226.c, |
| 1739 | .dbg_name = "byte_clk_src", |
| 1740 | .ops = &byte_clk_src_ops, |
| 1741 | CLK_INIT(byte_clk_src_8226.c), |
| 1742 | }, |
| 1743 | }; |
| 1744 | |
| 1745 | struct dsi_pll_vco_clk dsi_vco_clk_8974 = { |
| 1746 | .ref_clk_rate = 19200000, |
| 1747 | .min_rate = 350000000, |
| 1748 | .max_rate = 750000000, |
| 1749 | .pll_en_seq_cnt = 3, |
| 1750 | .pll_enable_seqs[0] = dsi_pll_enable_seq_8974, |
| 1751 | .pll_enable_seqs[1] = dsi_pll_enable_seq_8974, |
| 1752 | .pll_enable_seqs[2] = dsi_pll_enable_seq_8974, |
| 1753 | .lpfr_lut_size = 10, |
| 1754 | .lpfr_lut = (struct lpfr_cfg[]){ |
| 1755 | {479500000, 8}, |
| 1756 | {480000000, 11}, |
| 1757 | {575500000, 8}, |
| 1758 | {576000000, 12}, |
| 1759 | {610500000, 8}, |
| 1760 | {659500000, 9}, |
| 1761 | {671500000, 10}, |
| 1762 | {672000000, 14}, |
| 1763 | {708500000, 10}, |
| 1764 | {750000000, 11}, |
| 1765 | }, |
| 1766 | .c = { |
| 1767 | .dbg_name = "dsi_vco_clk", |
| 1768 | .ops = &clk_ops_dsi_vco, |
| 1769 | CLK_INIT(dsi_vco_clk_8974.c), |
| 1770 | }, |
| 1771 | }; |
| 1772 | |
| 1773 | struct div_clk analog_postdiv_clk_8974 = { |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1774 | .data = { |
| 1775 | .max_div = 255, |
| 1776 | .min_div = 1, |
| 1777 | }, |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1778 | .ops = &analog_postdiv_ops, |
| 1779 | .c = { |
| 1780 | .parent = &dsi_vco_clk_8974.c, |
| 1781 | .dbg_name = "analog_postdiv_clk", |
| 1782 | .ops = &analog_potsdiv_clk_ops, |
| 1783 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 1784 | CLK_INIT(analog_postdiv_clk_8974.c), |
| 1785 | }, |
| 1786 | }; |
| 1787 | |
| 1788 | struct div_clk indirect_path_div2_clk_8974 = { |
| 1789 | .ops = &fixed_2div_ops, |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1790 | .data = { |
| 1791 | .div = 2, |
Junjie Wu | 4d3917d | 2013-10-01 21:11:45 -0700 | [diff] [blame] | 1792 | .min_div = 2, |
| 1793 | .max_div = 2, |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1794 | }, |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1795 | .c = { |
| 1796 | .parent = &analog_postdiv_clk_8974.c, |
| 1797 | .dbg_name = "indirect_path_div2_clk", |
| 1798 | .ops = &clk_ops_div, |
| 1799 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 1800 | CLK_INIT(indirect_path_div2_clk_8974.c), |
| 1801 | }, |
| 1802 | }; |
| 1803 | |
| 1804 | struct div_clk pixel_clk_src_8974 = { |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1805 | .data = { |
| 1806 | .max_div = 255, |
| 1807 | .min_div = 1, |
| 1808 | }, |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1809 | .ops = &digital_postdiv_ops, |
| 1810 | .c = { |
| 1811 | .parent = &dsi_vco_clk_8974.c, |
| 1812 | .dbg_name = "pixel_clk_src", |
| 1813 | .ops = &pixel_clk_src_ops, |
| 1814 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 1815 | CLK_INIT(pixel_clk_src_8974.c), |
| 1816 | }, |
| 1817 | }; |
| 1818 | |
| 1819 | struct mux_clk byte_mux_8974 = { |
| 1820 | .num_parents = 2, |
| 1821 | .parents = (struct clk_src[]){ |
| 1822 | {&dsi_vco_clk_8974.c, 0}, |
| 1823 | {&indirect_path_div2_clk_8974.c, 1}, |
| 1824 | }, |
| 1825 | .ops = &byte_mux_ops, |
| 1826 | .c = { |
| 1827 | .parent = &dsi_vco_clk_8974.c, |
| 1828 | .dbg_name = "byte_mux", |
| 1829 | .ops = &byte_mux_clk_ops, |
| 1830 | CLK_INIT(byte_mux_8974.c), |
| 1831 | }, |
| 1832 | }; |
| 1833 | |
| 1834 | struct div_clk byte_clk_src_8974 = { |
| 1835 | .ops = &fixed_4div_ops, |
Patrick Daly | 86abe9b | 2013-09-03 18:55:37 -0700 | [diff] [blame] | 1836 | .data = { |
| 1837 | .min_div = 4, |
| 1838 | .max_div = 4, |
| 1839 | }, |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 1840 | .c = { |
| 1841 | .parent = &byte_mux_8974.c, |
| 1842 | .dbg_name = "byte_clk_src", |
| 1843 | .ops = &byte_clk_src_ops, |
| 1844 | CLK_INIT(byte_clk_src_8974.c), |
| 1845 | }, |
| 1846 | }; |
| 1847 | |
Kuogee Hsieh | a20087c | 2013-08-05 17:53:12 -0700 | [diff] [blame] | 1848 | static inline struct edp_pll_vco_clk *to_edp_vco_clk(struct clk *clk) |
| 1849 | { |
| 1850 | return container_of(clk, struct edp_pll_vco_clk, c); |
| 1851 | } |
| 1852 | |
| 1853 | static int edp_vco_set_rate(struct clk *c, unsigned long vco_rate) |
| 1854 | { |
| 1855 | struct edp_pll_vco_clk *vco = to_edp_vco_clk(c); |
| 1856 | int rc = 0; |
| 1857 | |
| 1858 | pr_debug("%s: vco_rate=%d\n", __func__, (int)vco_rate); |
| 1859 | |
| 1860 | rc = mdss_ahb_clk_enable(1); |
| 1861 | if (rc) { |
| 1862 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 1863 | __func__, rc); |
| 1864 | rc = -EINVAL; |
| 1865 | } |
| 1866 | if (vco_rate == 810000000) { |
| 1867 | DSS_REG_W(mdss_edp_base, 0x0c, 0x18); |
| 1868 | /* UNIPHY_PLL_LKDET_CFG2 */ |
| 1869 | DSS_REG_W(mdss_edp_base, 0x64, 0x05); |
| 1870 | /* UNIPHY_PLL_REFCLK_CFG */ |
| 1871 | DSS_REG_W(mdss_edp_base, 0x00, 0x00); |
| 1872 | /* UNIPHY_PLL_SDM_CFG0 */ |
| 1873 | DSS_REG_W(mdss_edp_base, 0x38, 0x36); |
| 1874 | /* UNIPHY_PLL_SDM_CFG1 */ |
| 1875 | DSS_REG_W(mdss_edp_base, 0x3c, 0x69); |
| 1876 | /* UNIPHY_PLL_SDM_CFG2 */ |
| 1877 | DSS_REG_W(mdss_edp_base, 0x40, 0xff); |
| 1878 | /* UNIPHY_PLL_SDM_CFG3 */ |
| 1879 | DSS_REG_W(mdss_edp_base, 0x44, 0x2f); |
| 1880 | /* UNIPHY_PLL_SDM_CFG4 */ |
| 1881 | DSS_REG_W(mdss_edp_base, 0x48, 0x00); |
| 1882 | /* UNIPHY_PLL_SSC_CFG0 */ |
| 1883 | DSS_REG_W(mdss_edp_base, 0x4c, 0x80); |
| 1884 | /* UNIPHY_PLL_SSC_CFG1 */ |
| 1885 | DSS_REG_W(mdss_edp_base, 0x50, 0x00); |
| 1886 | /* UNIPHY_PLL_SSC_CFG2 */ |
| 1887 | DSS_REG_W(mdss_edp_base, 0x54, 0x00); |
| 1888 | /* UNIPHY_PLL_SSC_CFG3 */ |
| 1889 | DSS_REG_W(mdss_edp_base, 0x58, 0x00); |
| 1890 | /* UNIPHY_PLL_CAL_CFG0 */ |
| 1891 | DSS_REG_W(mdss_edp_base, 0x6c, 0x0a); |
| 1892 | /* UNIPHY_PLL_CAL_CFG2 */ |
| 1893 | DSS_REG_W(mdss_edp_base, 0x74, 0x01); |
| 1894 | /* UNIPHY_PLL_CAL_CFG6 */ |
| 1895 | DSS_REG_W(mdss_edp_base, 0x84, 0x5a); |
| 1896 | /* UNIPHY_PLL_CAL_CFG7 */ |
| 1897 | DSS_REG_W(mdss_edp_base, 0x88, 0x0); |
| 1898 | /* UNIPHY_PLL_CAL_CFG8 */ |
| 1899 | DSS_REG_W(mdss_edp_base, 0x8c, 0x60); |
| 1900 | /* UNIPHY_PLL_CAL_CFG9 */ |
| 1901 | DSS_REG_W(mdss_edp_base, 0x90, 0x0); |
| 1902 | /* UNIPHY_PLL_CAL_CFG10 */ |
| 1903 | DSS_REG_W(mdss_edp_base, 0x94, 0x2a); |
| 1904 | /* UNIPHY_PLL_CAL_CFG11 */ |
| 1905 | DSS_REG_W(mdss_edp_base, 0x98, 0x3); |
| 1906 | /* UNIPHY_PLL_LKDET_CFG0 */ |
| 1907 | DSS_REG_W(mdss_edp_base, 0x5c, 0x10); |
| 1908 | /* UNIPHY_PLL_LKDET_CFG1 */ |
| 1909 | DSS_REG_W(mdss_edp_base, 0x60, 0x1a); |
| 1910 | /* UNIPHY_PLL_POSTDIV1_CFG */ |
| 1911 | DSS_REG_W(mdss_edp_base, 0x04, 0x00); |
| 1912 | /* UNIPHY_PLL_POSTDIV3_CFG */ |
| 1913 | DSS_REG_W(mdss_edp_base, 0x28, 0x00); |
| 1914 | } else if (vco_rate == 1350000000) { |
| 1915 | /* UNIPHY_PLL_LKDET_CFG2 */ |
| 1916 | DSS_REG_W(mdss_edp_base, 0x64, 0x05); |
| 1917 | /* UNIPHY_PLL_REFCLK_CFG */ |
| 1918 | DSS_REG_W(mdss_edp_base, 0x00, 0x01); |
| 1919 | /* UNIPHY_PLL_SDM_CFG0 */ |
| 1920 | DSS_REG_W(mdss_edp_base, 0x38, 0x36); |
| 1921 | /* UNIPHY_PLL_SDM_CFG1 */ |
| 1922 | DSS_REG_W(mdss_edp_base, 0x3c, 0x62); |
| 1923 | /* UNIPHY_PLL_SDM_CFG2 */ |
| 1924 | DSS_REG_W(mdss_edp_base, 0x40, 0x00); |
| 1925 | /* UNIPHY_PLL_SDM_CFG3 */ |
| 1926 | DSS_REG_W(mdss_edp_base, 0x44, 0x28); |
| 1927 | /* UNIPHY_PLL_SDM_CFG4 */ |
| 1928 | DSS_REG_W(mdss_edp_base, 0x48, 0x00); |
| 1929 | /* UNIPHY_PLL_SSC_CFG0 */ |
| 1930 | DSS_REG_W(mdss_edp_base, 0x4c, 0x80); |
| 1931 | /* UNIPHY_PLL_SSC_CFG1 */ |
| 1932 | DSS_REG_W(mdss_edp_base, 0x50, 0x00); |
| 1933 | /* UNIPHY_PLL_SSC_CFG2 */ |
| 1934 | DSS_REG_W(mdss_edp_base, 0x54, 0x00); |
| 1935 | /* UNIPHY_PLL_SSC_CFG3 */ |
| 1936 | DSS_REG_W(mdss_edp_base, 0x58, 0x00); |
| 1937 | /* UNIPHY_PLL_CAL_CFG0 */ |
| 1938 | DSS_REG_W(mdss_edp_base, 0x6c, 0x0a); |
| 1939 | /* UNIPHY_PLL_CAL_CFG2 */ |
| 1940 | DSS_REG_W(mdss_edp_base, 0x74, 0x01); |
| 1941 | /* UNIPHY_PLL_CAL_CFG6 */ |
| 1942 | DSS_REG_W(mdss_edp_base, 0x84, 0x5a); |
| 1943 | /* UNIPHY_PLL_CAL_CFG7 */ |
| 1944 | DSS_REG_W(mdss_edp_base, 0x88, 0x0); |
| 1945 | /* UNIPHY_PLL_CAL_CFG8 */ |
| 1946 | DSS_REG_W(mdss_edp_base, 0x8c, 0x60); |
| 1947 | /* UNIPHY_PLL_CAL_CFG9 */ |
| 1948 | DSS_REG_W(mdss_edp_base, 0x90, 0x0); |
| 1949 | /* UNIPHY_PLL_CAL_CFG10 */ |
| 1950 | DSS_REG_W(mdss_edp_base, 0x94, 0x46); |
| 1951 | /* UNIPHY_PLL_CAL_CFG11 */ |
| 1952 | DSS_REG_W(mdss_edp_base, 0x98, 0x5); |
| 1953 | /* UNIPHY_PLL_LKDET_CFG0 */ |
| 1954 | DSS_REG_W(mdss_edp_base, 0x5c, 0x10); |
| 1955 | /* UNIPHY_PLL_LKDET_CFG1 */ |
| 1956 | DSS_REG_W(mdss_edp_base, 0x60, 0x1a); |
| 1957 | /* UNIPHY_PLL_POSTDIV1_CFG */ |
| 1958 | DSS_REG_W(mdss_edp_base, 0x04, 0x00); |
| 1959 | /* UNIPHY_PLL_POSTDIV3_CFG */ |
| 1960 | DSS_REG_W(mdss_edp_base, 0x28, 0x00); |
| 1961 | } else { |
| 1962 | pr_err("%s: rate=%d is NOT supported\n", __func__, |
| 1963 | (int)vco_rate); |
| 1964 | vco_rate = 0; |
| 1965 | rc = -EINVAL; |
| 1966 | } |
| 1967 | |
| 1968 | DSS_REG_W(mdss_edp_base, 0x20, 0x01); /* UNIPHY_PLL_GLB_CFG */ |
| 1969 | udelay(100); |
| 1970 | DSS_REG_W(mdss_edp_base, 0x20, 0x05); /* UNIPHY_PLL_GLB_CFG */ |
| 1971 | udelay(100); |
| 1972 | DSS_REG_W(mdss_edp_base, 0x20, 0x07); /* UNIPHY_PLL_GLB_CFG */ |
| 1973 | udelay(100); |
| 1974 | DSS_REG_W(mdss_edp_base, 0x20, 0x0f); /* UNIPHY_PLL_GLB_CFG */ |
| 1975 | udelay(100); |
| 1976 | mdss_ahb_clk_enable(0); |
| 1977 | |
| 1978 | vco->rate = vco_rate; |
| 1979 | |
| 1980 | return rc; |
| 1981 | } |
| 1982 | |
| 1983 | static int edp_pll_ready_poll(void) |
| 1984 | { |
| 1985 | int cnt; |
| 1986 | u32 status; |
| 1987 | |
| 1988 | /* ahb clock should be enabled by caller */ |
| 1989 | cnt = 100; |
| 1990 | while (cnt--) { |
| 1991 | udelay(100); |
| 1992 | status = DSS_REG_R(mdss_edp_base, 0xc0); |
| 1993 | status &= 0x01; |
| 1994 | if (status) |
| 1995 | break; |
| 1996 | } |
| 1997 | pr_debug("%s: cnt=%d status=%d\n", __func__, cnt, (int)status); |
| 1998 | |
| 1999 | if (status) |
| 2000 | return 1; |
| 2001 | |
| 2002 | pr_err("%s: PLL NOT ready\n", __func__); |
| 2003 | return 0; |
| 2004 | } |
| 2005 | |
| 2006 | static int edp_vco_enable(struct clk *c) |
| 2007 | { |
| 2008 | int i, ready; |
| 2009 | int rc = 0; |
| 2010 | |
| 2011 | if (!mdss_gdsc_enabled()) { |
| 2012 | pr_err("%s: mdss GDSC is not enabled\n", __func__); |
| 2013 | return -EPERM; |
| 2014 | } |
| 2015 | |
| 2016 | /* called from enable, irq disable. can not call clk_prepare */ |
| 2017 | rc = clk_enable(mdss_ahb_clk); |
| 2018 | if (rc) { |
| 2019 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 2020 | __func__, rc); |
| 2021 | return rc; |
| 2022 | } |
| 2023 | |
| 2024 | for (i = 0; i < 3; i++) { |
| 2025 | ready = edp_pll_ready_poll(); |
| 2026 | if (ready) |
| 2027 | break; |
| 2028 | DSS_REG_W(mdss_edp_base, 0x20, 0x01); /* UNIPHY_PLL_GLB_CFG */ |
| 2029 | udelay(100); |
| 2030 | DSS_REG_W(mdss_edp_base, 0x20, 0x05); /* UNIPHY_PLL_GLB_CFG */ |
| 2031 | udelay(100); |
| 2032 | DSS_REG_W(mdss_edp_base, 0x20, 0x07); /* UNIPHY_PLL_GLB_CFG */ |
| 2033 | udelay(100); |
| 2034 | DSS_REG_W(mdss_edp_base, 0x20, 0x0f); /* UNIPHY_PLL_GLB_CFG */ |
| 2035 | udelay(100); |
| 2036 | } |
| 2037 | clk_disable(mdss_ahb_clk); |
| 2038 | |
| 2039 | if (ready) { |
| 2040 | pr_debug("%s: EDP PLL locked\n", __func__); |
| 2041 | return 0; |
| 2042 | } |
| 2043 | |
| 2044 | pr_err("%s: EDP PLL failed to lock\n", __func__); |
| 2045 | return -EINVAL; |
| 2046 | } |
| 2047 | |
| 2048 | static void edp_vco_disable(struct clk *c) |
| 2049 | { |
| 2050 | int rc = 0; |
| 2051 | |
| 2052 | if (!mdss_gdsc_enabled()) { |
| 2053 | pr_err("%s: mdss GDSC is not enabled\n", __func__); |
| 2054 | return; |
| 2055 | } |
| 2056 | |
| 2057 | /* called from unprepare which is not atomic */ |
| 2058 | rc = mdss_ahb_clk_enable(1); |
| 2059 | if (rc) { |
| 2060 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 2061 | __func__, rc); |
| 2062 | return; |
| 2063 | } |
| 2064 | |
| 2065 | DSS_REG_W(mdss_edp_base, 0x20, 0x00); |
| 2066 | |
| 2067 | mdss_ahb_clk_enable(0); |
| 2068 | |
| 2069 | pr_debug("%s: EDP PLL Disabled\n", __func__); |
| 2070 | return; |
| 2071 | } |
| 2072 | |
| 2073 | static unsigned long edp_vco_get_rate(struct clk *c) |
| 2074 | { |
| 2075 | struct edp_pll_vco_clk *vco = to_edp_vco_clk(c); |
| 2076 | u32 pll_status, div2; |
| 2077 | int rc; |
| 2078 | |
| 2079 | rc = mdss_ahb_clk_enable(1); |
| 2080 | if (rc) { |
| 2081 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 2082 | __func__, rc); |
| 2083 | return rc; |
| 2084 | } |
| 2085 | if (vco->rate == 0) { |
| 2086 | pll_status = DSS_REG_R(mdss_edp_base, 0xc0); |
| 2087 | if (pll_status & 0x01) { |
| 2088 | div2 = DSS_REG_R(mdss_edp_base, 0x24); |
| 2089 | if (div2 & 0x01) |
| 2090 | vco->rate = 1350000000; |
| 2091 | else |
| 2092 | vco->rate = 810000000; |
| 2093 | } |
| 2094 | } |
| 2095 | mdss_ahb_clk_enable(0); |
| 2096 | |
| 2097 | pr_debug("%s: rate=%d\n", __func__, (int)vco->rate); |
| 2098 | |
| 2099 | return vco->rate; |
| 2100 | } |
| 2101 | |
| 2102 | static long edp_vco_round_rate(struct clk *c, unsigned long rate) |
| 2103 | { |
| 2104 | struct edp_pll_vco_clk *vco = to_edp_vco_clk(c); |
| 2105 | unsigned long rrate = -ENOENT; |
| 2106 | unsigned long *lp; |
| 2107 | |
| 2108 | lp = vco->rate_list; |
| 2109 | while (*lp) { |
| 2110 | rrate = *lp; |
| 2111 | if (rate <= rrate) |
| 2112 | break; |
| 2113 | lp++; |
| 2114 | } |
| 2115 | |
| 2116 | pr_debug("%s: rrate=%d\n", __func__, (int)rrate); |
| 2117 | |
| 2118 | return rrate; |
| 2119 | } |
| 2120 | |
| 2121 | static int edp_vco_prepare(struct clk *c) |
| 2122 | { |
| 2123 | struct edp_pll_vco_clk *vco = to_edp_vco_clk(c); |
| 2124 | |
| 2125 | pr_debug("%s: rate=%d\n", __func__, (int)vco->rate); |
| 2126 | |
| 2127 | return edp_vco_set_rate(c, vco->rate); |
| 2128 | } |
| 2129 | |
| 2130 | static void edp_vco_unprepare(struct clk *c) |
| 2131 | { |
| 2132 | struct edp_pll_vco_clk *vco = to_edp_vco_clk(c); |
| 2133 | |
| 2134 | pr_debug("%s: rate=%d\n", __func__, (int)vco->rate); |
| 2135 | |
| 2136 | edp_vco_disable(c); |
| 2137 | } |
| 2138 | |
| 2139 | static int edp_pll_lock_status(void) |
| 2140 | { |
| 2141 | u32 status; |
| 2142 | int pll_locked = 0; |
| 2143 | int rc; |
| 2144 | |
| 2145 | rc = mdss_ahb_clk_enable(1); |
| 2146 | if (rc) { |
| 2147 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 2148 | __func__, rc); |
| 2149 | return rc; |
| 2150 | } |
| 2151 | /* poll for PLL ready status */ |
| 2152 | if (readl_poll_timeout_noirq((mdss_edp_base + 0xc0), |
| 2153 | status, ((status & BIT(0)) == 1), |
| 2154 | PLL_POLL_MAX_READS, PLL_POLL_TIMEOUT_US)) { |
| 2155 | pr_debug("%s: EDP PLL status=%x failed to Lock\n", |
| 2156 | __func__, status); |
| 2157 | pll_locked = 0; |
| 2158 | } else { |
| 2159 | pll_locked = 1; |
| 2160 | } |
| 2161 | mdss_ahb_clk_enable(0); |
| 2162 | |
| 2163 | return pll_locked; |
| 2164 | } |
| 2165 | |
| 2166 | static enum handoff edp_vco_handoff(struct clk *c) |
| 2167 | { |
| 2168 | enum handoff ret = HANDOFF_DISABLED_CLK; |
| 2169 | |
| 2170 | if (edp_pll_lock_status()) { |
| 2171 | c->rate = edp_vco_get_rate(c); |
| 2172 | ret = HANDOFF_ENABLED_CLK; |
| 2173 | } |
| 2174 | |
| 2175 | pr_debug("%s: done, ret=%d\n", __func__, ret); |
| 2176 | return ret; |
| 2177 | } |
| 2178 | |
| 2179 | /* edp vco rate */ |
| 2180 | static unsigned long edp_vco_rate_list[] = { |
| 2181 | 810000000, 1350000000, 0}; |
| 2182 | |
| 2183 | struct clk_ops edp_vco_clk_ops = { |
| 2184 | .enable = edp_vco_enable, |
| 2185 | .set_rate = edp_vco_set_rate, |
| 2186 | .get_rate = edp_vco_get_rate, |
| 2187 | .round_rate = edp_vco_round_rate, |
| 2188 | .prepare = edp_vco_prepare, |
| 2189 | .unprepare = edp_vco_unprepare, |
| 2190 | .handoff = edp_vco_handoff, |
| 2191 | }; |
| 2192 | |
| 2193 | struct edp_pll_vco_clk edp_vco_clk = { |
| 2194 | .ref_clk_rate = 19200000, |
| 2195 | .rate = 0, |
| 2196 | .rate_list = edp_vco_rate_list, |
| 2197 | .c = { |
| 2198 | .dbg_name = "edp_vco_clk", |
| 2199 | .ops = &edp_vco_clk_ops, |
| 2200 | CLK_INIT(edp_vco_clk.c), |
| 2201 | }, |
| 2202 | }; |
| 2203 | |
| 2204 | static unsigned long edp_mainlink_get_rate(struct clk *c) |
| 2205 | { |
| 2206 | struct div_clk *mclk = to_div_clk(c); |
| 2207 | struct clk *pclk; |
| 2208 | unsigned long rate = 0; |
| 2209 | |
| 2210 | pclk = clk_get_parent(c); |
| 2211 | |
| 2212 | if (pclk->ops->get_rate) { |
| 2213 | rate = pclk->ops->get_rate(pclk); |
| 2214 | rate /= mclk->data.div; |
| 2215 | } |
| 2216 | |
| 2217 | pr_debug("%s: rate=%d div=%d\n", __func__, (int)rate, mclk->data.div); |
| 2218 | |
| 2219 | return rate; |
| 2220 | } |
| 2221 | |
| 2222 | static struct clk_ops edp_mainlink_clk_src_ops; |
| 2223 | static struct clk_div_ops fixed_5div_ops; /* null ops */ |
| 2224 | |
| 2225 | struct div_clk edp_mainlink_clk_src = { |
| 2226 | .ops = &fixed_5div_ops, |
| 2227 | .data = { |
| 2228 | .div = 5, |
| 2229 | }, |
| 2230 | .c = { |
| 2231 | .parent = &edp_vco_clk.c, |
| 2232 | .dbg_name = "edp_mainlink_clk_src", |
| 2233 | .ops = &edp_mainlink_clk_src_ops, |
| 2234 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 2235 | CLK_INIT(edp_mainlink_clk_src.c), |
| 2236 | } |
| 2237 | }; |
| 2238 | |
| 2239 | |
| 2240 | static struct clk_ops edp_pixel_clk_ops; |
| 2241 | |
| 2242 | /* |
| 2243 | * this rate is from pll to clock controller |
| 2244 | * output from pll to CC has two possibilities |
| 2245 | * 1: if mainlink rate is 270M, then 675M |
| 2246 | * 2: if mainlink rate is 162M, then 810M |
| 2247 | */ |
| 2248 | static int edp_pixel_set_div(struct div_clk *clk, int div) |
| 2249 | { |
| 2250 | int rc = 0; |
| 2251 | |
| 2252 | rc = mdss_ahb_clk_enable(1); |
| 2253 | if (rc) { |
| 2254 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 2255 | __func__, rc); |
| 2256 | return rc; |
| 2257 | } |
| 2258 | |
| 2259 | pr_debug("%s: div=%d\n", __func__, div); |
| 2260 | DSS_REG_W(mdss_edp_base, 0x24, (div - 1)); /* UNIPHY_PLL_POSTDIV2_CFG */ |
| 2261 | |
| 2262 | mdss_ahb_clk_enable(0); |
| 2263 | return 0; |
| 2264 | } |
| 2265 | |
| 2266 | static int edp_pixel_get_div(struct div_clk *clk) |
| 2267 | { |
| 2268 | int div = 0; |
| 2269 | |
| 2270 | if (mdss_ahb_clk_enable(1)) { |
| 2271 | pr_debug("%s: Failed to enable mdss ahb clock\n", __func__); |
| 2272 | return 1; |
| 2273 | } |
| 2274 | div = DSS_REG_R(mdss_edp_base, 0x24); /* UNIPHY_PLL_POSTDIV2_CFG */ |
| 2275 | div &= 0x01; |
| 2276 | pr_debug("%s: div=%d\n", __func__, div); |
| 2277 | mdss_ahb_clk_enable(0); |
| 2278 | return div + 1; |
| 2279 | } |
| 2280 | |
| 2281 | static struct clk_div_ops edp_pixel_ops = { |
| 2282 | .set_div = edp_pixel_set_div, |
| 2283 | .get_div = edp_pixel_get_div, |
| 2284 | }; |
| 2285 | |
| 2286 | struct div_clk edp_pixel_clk_src = { |
| 2287 | .data = { |
| 2288 | .max_div = 2, |
| 2289 | .min_div = 1, |
| 2290 | }, |
| 2291 | .ops = &edp_pixel_ops, |
| 2292 | .c = { |
| 2293 | .parent = &edp_vco_clk.c, |
| 2294 | .dbg_name = "edp_pixel_clk_src", |
| 2295 | .ops = &edp_pixel_clk_ops, |
| 2296 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 2297 | CLK_INIT(edp_pixel_clk_src.c), |
| 2298 | }, |
| 2299 | }; |
| 2300 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2301 | /* HDMI PLL DIV CLK */ |
| 2302 | |
| 2303 | static unsigned long hdmi_vco_get_rate(struct clk *c) |
| 2304 | { |
| 2305 | unsigned long freq = 0; |
| 2306 | |
| 2307 | if (mdss_ahb_clk_enable(1)) { |
| 2308 | pr_err("%s: Failed to enable mdss ahb clock\n", __func__); |
| 2309 | return freq; |
| 2310 | } |
| 2311 | |
| 2312 | freq = DSS_REG_R(hdmi_phy_pll_base, HDMI_UNI_PLL_CAL_CFG11) << 8 | |
| 2313 | DSS_REG_R(hdmi_phy_pll_base, HDMI_UNI_PLL_CAL_CFG10); |
| 2314 | |
| 2315 | switch (freq) { |
| 2316 | case 742: |
| 2317 | freq = 742500000; |
| 2318 | break; |
| 2319 | case 810: |
| 2320 | if (DSS_REG_R(hdmi_phy_pll_base, HDMI_UNI_PLL_SDM_CFG3) == 0x18) |
| 2321 | freq = 810000000; |
| 2322 | else |
| 2323 | freq = 810900000; |
| 2324 | break; |
| 2325 | case 1342: |
| 2326 | freq = 1342500000; |
| 2327 | break; |
| 2328 | default: |
| 2329 | freq *= 1000000; |
| 2330 | } |
| 2331 | |
| 2332 | mdss_ahb_clk_enable(0); |
| 2333 | |
| 2334 | return freq; |
| 2335 | } |
| 2336 | |
| 2337 | static long hdmi_vco_round_rate(struct clk *c, unsigned long rate) |
| 2338 | { |
Ajay Singh Parmar | c4d53dc | 2013-09-03 17:19:16 -0700 | [diff] [blame] | 2339 | unsigned long rrate = rate; |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2340 | struct hdmi_pll_vco_clk *vco = to_hdmi_vco_clk(c); |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2341 | |
Ajay Singh Parmar | c4d53dc | 2013-09-03 17:19:16 -0700 | [diff] [blame] | 2342 | if (rate < vco->min_rate) |
| 2343 | rrate = vco->min_rate; |
| 2344 | if (rate > vco->max_rate) |
| 2345 | rrate = vco->max_rate; |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2346 | |
| 2347 | pr_debug("%s: rrate=%ld\n", __func__, rrate); |
| 2348 | |
| 2349 | return rrate; |
| 2350 | } |
| 2351 | |
| 2352 | static int hdmi_vco_prepare(struct clk *c) |
| 2353 | { |
| 2354 | struct hdmi_pll_vco_clk *vco = to_hdmi_vco_clk(c); |
| 2355 | int ret = 0; |
| 2356 | |
| 2357 | pr_debug("%s: rate=%ld\n", __func__, vco->rate); |
| 2358 | |
Ajay Singh Parmar | db66a45 | 2013-11-04 18:31:37 -0800 | [diff] [blame] | 2359 | if (!vco->rate_set && vco->rate) |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2360 | ret = hdmi_vco_set_rate(c, vco->rate); |
| 2361 | |
| 2362 | if (!ret) |
| 2363 | ret = clk_prepare(mdss_ahb_clk); |
| 2364 | |
| 2365 | return ret; |
| 2366 | } |
| 2367 | |
| 2368 | static void hdmi_vco_unprepare(struct clk *c) |
| 2369 | { |
Ajay Singh Parmar | db66a45 | 2013-11-04 18:31:37 -0800 | [diff] [blame] | 2370 | struct hdmi_pll_vco_clk *vco = to_hdmi_vco_clk(c); |
| 2371 | |
| 2372 | vco->rate_set = false; |
| 2373 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2374 | clk_unprepare(mdss_ahb_clk); |
| 2375 | } |
| 2376 | |
| 2377 | static int hdmi_pll_lock_status(void) |
| 2378 | { |
| 2379 | u32 status; |
| 2380 | int pll_locked = 0; |
| 2381 | int rc; |
| 2382 | |
| 2383 | rc = mdss_ahb_clk_enable(1); |
| 2384 | if (rc) { |
| 2385 | pr_err("%s: failed to enable mdss ahb clock. rc=%d\n", |
| 2386 | __func__, rc); |
| 2387 | return 0; |
| 2388 | } |
| 2389 | /* poll for PLL ready status */ |
| 2390 | if (readl_poll_timeout_noirq((hdmi_phy_base + HDMI_PHY_STATUS), |
| 2391 | status, ((status & BIT(0)) == 1), |
| 2392 | PLL_POLL_MAX_READS, PLL_POLL_TIMEOUT_US)) { |
| 2393 | pr_debug("%s: HDMI PLL status=%x failed to Lock\n", |
| 2394 | __func__, status); |
| 2395 | pll_locked = 0; |
| 2396 | } else { |
| 2397 | pll_locked = 1; |
| 2398 | } |
| 2399 | mdss_ahb_clk_enable(0); |
| 2400 | |
| 2401 | return pll_locked; |
| 2402 | } |
| 2403 | |
| 2404 | static enum handoff hdmi_vco_handoff(struct clk *c) |
| 2405 | { |
| 2406 | enum handoff ret = HANDOFF_DISABLED_CLK; |
| 2407 | |
| 2408 | if (hdmi_pll_lock_status()) { |
| 2409 | c->rate = hdmi_vco_get_rate(c); |
| 2410 | ret = HANDOFF_ENABLED_CLK; |
| 2411 | } |
| 2412 | |
| 2413 | pr_debug("%s: done, ret=%d\n", __func__, ret); |
| 2414 | return ret; |
| 2415 | } |
| 2416 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2417 | static struct clk_ops hdmi_vco_clk_ops = { |
| 2418 | .enable = hdmi_vco_enable, |
| 2419 | .set_rate = hdmi_vco_set_rate, |
| 2420 | .get_rate = hdmi_vco_get_rate, |
| 2421 | .round_rate = hdmi_vco_round_rate, |
| 2422 | .prepare = hdmi_vco_prepare, |
| 2423 | .unprepare = hdmi_vco_unprepare, |
| 2424 | .disable = hdmi_vco_disable, |
| 2425 | .handoff = hdmi_vco_handoff, |
| 2426 | }; |
| 2427 | |
| 2428 | static struct hdmi_pll_vco_clk hdmi_vco_clk = { |
Ajay Singh Parmar | c4d53dc | 2013-09-03 17:19:16 -0700 | [diff] [blame] | 2429 | .min_rate = 600000000, |
| 2430 | .max_rate = 1800000000, |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2431 | .c = { |
| 2432 | .dbg_name = "hdmi_vco_clk", |
| 2433 | .ops = &hdmi_vco_clk_ops, |
| 2434 | CLK_INIT(hdmi_vco_clk.c), |
| 2435 | }, |
| 2436 | }; |
| 2437 | |
| 2438 | struct div_clk hdmipll_div1_clk = { |
| 2439 | .data = { |
| 2440 | .div = 1, |
| 2441 | .min_div = 1, |
| 2442 | .max_div = 1, |
| 2443 | }, |
| 2444 | .c = { |
| 2445 | .parent = &hdmi_vco_clk.c, |
| 2446 | .dbg_name = "hdmipll_div1_clk", |
| 2447 | .ops = &clk_ops_div, |
| 2448 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 2449 | CLK_INIT(hdmipll_div1_clk.c), |
| 2450 | }, |
| 2451 | }; |
| 2452 | |
| 2453 | struct div_clk hdmipll_div2_clk = { |
| 2454 | .data = { |
| 2455 | .div = 2, |
| 2456 | .min_div = 2, |
| 2457 | .max_div = 2, |
| 2458 | }, |
| 2459 | .c = { |
| 2460 | .parent = &hdmi_vco_clk.c, |
| 2461 | .dbg_name = "hdmipll_div2_clk", |
| 2462 | .ops = &clk_ops_div, |
| 2463 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 2464 | CLK_INIT(hdmipll_div2_clk.c), |
| 2465 | }, |
| 2466 | }; |
| 2467 | |
| 2468 | struct div_clk hdmipll_div4_clk = { |
| 2469 | .data = { |
| 2470 | .div = 4, |
| 2471 | .min_div = 4, |
| 2472 | .max_div = 4, |
| 2473 | }, |
| 2474 | .c = { |
| 2475 | .parent = &hdmi_vco_clk.c, |
| 2476 | .dbg_name = "hdmipll_div4_clk", |
| 2477 | .ops = &clk_ops_div, |
| 2478 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 2479 | CLK_INIT(hdmipll_div4_clk.c), |
| 2480 | }, |
| 2481 | }; |
| 2482 | |
| 2483 | struct div_clk hdmipll_div6_clk = { |
| 2484 | .data = { |
| 2485 | .div = 6, |
| 2486 | .min_div = 6, |
| 2487 | .max_div = 6, |
| 2488 | }, |
| 2489 | .c = { |
| 2490 | .parent = &hdmi_vco_clk.c, |
| 2491 | .dbg_name = "hdmipll_div6_clk", |
| 2492 | .ops = &clk_ops_div, |
| 2493 | .flags = CLKFLAG_NO_RATE_CACHE, |
| 2494 | CLK_INIT(hdmipll_div6_clk.c), |
| 2495 | }, |
| 2496 | }; |
| 2497 | |
| 2498 | static int hdmipll_set_mux_sel(struct mux_clk *clk, int mux_sel) |
| 2499 | { |
| 2500 | int rc; |
| 2501 | |
| 2502 | if (!mdss_gdsc_enabled()) { |
| 2503 | pr_err("%s: mdss GDSC is not enabled\n", __func__); |
| 2504 | return -EPERM; |
| 2505 | } |
| 2506 | |
| 2507 | rc = clk_enable(mdss_ahb_clk); |
| 2508 | if (rc) { |
| 2509 | pr_err("%s: Failed to enable mdss ahb clock\n", __func__); |
| 2510 | return rc; |
| 2511 | } |
| 2512 | |
| 2513 | pr_debug("%s: mux_sel=%d\n", __func__, mux_sel); |
| 2514 | DSS_REG_W(hdmi_phy_pll_base, HDMI_UNI_PLL_POSTDIV1_CFG, mux_sel); |
| 2515 | |
| 2516 | clk_disable(mdss_ahb_clk); |
| 2517 | |
| 2518 | return 0; |
| 2519 | } |
| 2520 | |
| 2521 | static int hdmipll_get_mux_sel(struct mux_clk *clk) |
| 2522 | { |
| 2523 | int mux_sel = 0; |
| 2524 | |
| 2525 | if (mdss_ahb_clk_enable(1)) { |
| 2526 | pr_err("%s: Failed to enable mdss ahb clock\n", __func__); |
| 2527 | return mux_sel; |
| 2528 | } |
| 2529 | |
| 2530 | mux_sel = DSS_REG_R(hdmi_phy_pll_base, HDMI_UNI_PLL_POSTDIV1_CFG); |
| 2531 | mux_sel &= 0x03; |
| 2532 | pr_debug("%s: mux_sel=%d\n", __func__, mux_sel); |
Ajay Singh Parmar | 6e09028 | 2013-09-30 21:43:57 -0700 | [diff] [blame] | 2533 | |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2534 | mdss_ahb_clk_enable(0); |
| 2535 | |
| 2536 | return mux_sel; |
| 2537 | } |
| 2538 | |
| 2539 | static struct clk_mux_ops hdmipll_mux_ops = { |
| 2540 | .set_mux_sel = hdmipll_set_mux_sel, |
| 2541 | .get_mux_sel = hdmipll_get_mux_sel, |
| 2542 | }; |
| 2543 | |
| 2544 | static struct clk_ops hdmi_mux_ops; |
| 2545 | |
| 2546 | static int hdmi_mux_prepare(struct clk *c) |
| 2547 | { |
| 2548 | int ret = 0; |
| 2549 | |
| 2550 | if (c && c->ops && c->ops->set_rate) |
| 2551 | ret = c->ops->set_rate(c, c->rate); |
| 2552 | |
| 2553 | return ret; |
| 2554 | } |
| 2555 | |
| 2556 | static struct mux_clk hdmipll_mux_clk = { |
| 2557 | MUX_SRC_LIST( |
| 2558 | { &hdmipll_div1_clk.c, 0 }, |
| 2559 | { &hdmipll_div2_clk.c, 1 }, |
| 2560 | { &hdmipll_div4_clk.c, 2 }, |
| 2561 | { &hdmipll_div6_clk.c, 3 }, |
| 2562 | ), |
| 2563 | .ops = &hdmipll_mux_ops, |
| 2564 | .c = { |
| 2565 | .parent = &hdmipll_div1_clk.c, |
| 2566 | .dbg_name = "hdmipll_mux_clk", |
| 2567 | .ops = &hdmi_mux_ops, |
| 2568 | CLK_INIT(hdmipll_mux_clk.c), |
| 2569 | }, |
| 2570 | }; |
| 2571 | |
| 2572 | struct div_clk hdmipll_clk_src = { |
| 2573 | .data = { |
| 2574 | .div = 5, |
| 2575 | .min_div = 5, |
| 2576 | .max_div = 5, |
| 2577 | }, |
| 2578 | .c = { |
| 2579 | .parent = &hdmipll_mux_clk.c, |
| 2580 | .dbg_name = "hdmipll_clk_src", |
| 2581 | .ops = &clk_ops_div, |
| 2582 | CLK_INIT(hdmipll_clk_src.c), |
| 2583 | }, |
| 2584 | }; |
| 2585 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 2586 | void __init mdss_clk_ctrl_pre_init(struct clk *ahb_clk) |
| 2587 | { |
| 2588 | BUG_ON(ahb_clk == NULL); |
| 2589 | |
| 2590 | gdsc_base = ioremap(GDSC_PHYS, GDSC_SIZE); |
| 2591 | if (!gdsc_base) |
| 2592 | pr_err("%s: unable to remap gdsc base", __func__); |
| 2593 | |
| 2594 | mdss_dsi_base = ioremap(DSI_PHY_PHYS, DSI_PHY_SIZE); |
| 2595 | if (!mdss_dsi_base) |
| 2596 | pr_err("%s: unable to remap dsi base", __func__); |
| 2597 | |
| 2598 | mdss_ahb_clk = ahb_clk; |
| 2599 | |
| 2600 | hdmi_phy_base = ioremap(HDMI_PHY_PHYS, HDMI_PHY_SIZE); |
| 2601 | if (!hdmi_phy_base) |
| 2602 | pr_err("%s: unable to ioremap hdmi phy base", __func__); |
| 2603 | |
| 2604 | hdmi_phy_pll_base = ioremap(HDMI_PHY_PLL_PHYS, HDMI_PHY_PLL_SIZE); |
| 2605 | if (!hdmi_phy_pll_base) |
| 2606 | pr_err("%s: unable to ioremap hdmi phy pll base", __func__); |
| 2607 | |
Kuogee Hsieh | a20087c | 2013-08-05 17:53:12 -0700 | [diff] [blame] | 2608 | mdss_edp_base = ioremap(EDP_PHY_PHYS, EDP_PHY_SIZE); |
| 2609 | if (!mdss_edp_base) |
| 2610 | pr_err("%s: unable to remap edp base", __func__); |
| 2611 | |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 2612 | pixel_clk_src_ops = clk_ops_slave_div; |
| 2613 | pixel_clk_src_ops.prepare = div_prepare; |
| 2614 | |
| 2615 | byte_clk_src_ops = clk_ops_div; |
| 2616 | byte_clk_src_ops.prepare = div_prepare; |
| 2617 | |
| 2618 | analog_potsdiv_clk_ops = clk_ops_div; |
| 2619 | analog_potsdiv_clk_ops.prepare = div_prepare; |
| 2620 | |
| 2621 | byte_mux_clk_ops = clk_ops_gen_mux; |
| 2622 | byte_mux_clk_ops.prepare = mux_prepare; |
Vikram Mulukutla | 853e2fa | 2013-05-02 20:02:13 -0700 | [diff] [blame] | 2623 | |
Kuogee Hsieh | a20087c | 2013-08-05 17:53:12 -0700 | [diff] [blame] | 2624 | edp_mainlink_clk_src_ops = clk_ops_div; |
| 2625 | edp_mainlink_clk_src_ops.get_parent = clk_get_parent; |
| 2626 | edp_mainlink_clk_src_ops.get_rate = edp_mainlink_get_rate; |
| 2627 | |
| 2628 | edp_pixel_clk_ops = clk_ops_slave_div; |
| 2629 | edp_pixel_clk_ops.prepare = div_prepare; |
Ajay Singh Parmar | 44ae83f | 2013-08-23 00:54:12 -0700 | [diff] [blame] | 2630 | |
| 2631 | hdmi_mux_ops = clk_ops_gen_mux; |
| 2632 | hdmi_mux_ops.prepare = hdmi_mux_prepare; |
Kuogee Hsieh | a20087c | 2013-08-05 17:53:12 -0700 | [diff] [blame] | 2633 | } |