Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved. |
| 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 | |
| 14 | #define pr_fmt(fmt) "[sde_rsc_hw:%s:%d]: " fmt, __func__, __LINE__ |
| 15 | |
| 16 | #include <linux/kernel.h> |
| 17 | #include <linux/debugfs.h> |
| 18 | #include <linux/delay.h> |
| 19 | |
Dhaval Patel | 49ef6d7 | 2017-03-26 09:35:53 -0700 | [diff] [blame] | 20 | #include "sde_rsc_priv.h" |
Dhaval Patel | c8bdc2e | 2017-07-14 08:52:02 -0700 | [diff] [blame] | 21 | #include "sde_dbg.h" |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 22 | |
| 23 | /* display rsc offset */ |
| 24 | #define SDE_RSCC_PDC_SEQ_START_ADDR_REG_OFFSET_DRV0 0x020 |
| 25 | #define SDE_RSCC_PDC_MATCH_VALUE_LO_REG_OFFSET_DRV0 0x024 |
| 26 | #define SDE_RSCC_PDC_MATCH_VALUE_HI_REG_OFFSET_DRV0 0x028 |
| 27 | #define SDE_RSCC_PDC_SLAVE_ID_DRV0 0x02c |
Dhaval Patel | c8bdc2e | 2017-07-14 08:52:02 -0700 | [diff] [blame] | 28 | #define SDE_RSCC_SEQ_PROGRAM_COUNTER 0x408 |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 29 | #define SDE_RSCC_SEQ_CFG_BR_ADDR_0_DRV0 0x410 |
| 30 | #define SDE_RSCC_SEQ_CFG_BR_ADDR_1_DRV0 0x414 |
| 31 | #define SDE_RSCC_SEQ_MEM_0_DRV0 0x600 |
| 32 | #define SDE_RSCC_SOLVER_OVERRIDE_CTRL_DRV0 0xc14 |
| 33 | #define SDE_RSCC_ERROR_IRQ_STATUS_DRV0 0x0d0 |
| 34 | #define SDE_RSCC_SEQ_BUSY_DRV0 0x404 |
| 35 | #define SDE_RSCC_SOLVER_STATUS0_DRV0 0xc24 |
| 36 | #define SDE_RSCC_SOLVER_STATUS1_DRV0 0xc28 |
| 37 | #define SDE_RSCC_SOLVER_STATUS2_DRV0 0xc2c |
| 38 | #define SDE_RSCC_AMC_TCS_MODE_IRQ_STATUS_DRV0 0x1c00 |
| 39 | |
| 40 | #define SDE_RSCC_SOFT_WAKEUP_TIME_LO_DRV0 0xc04 |
Dhaval Patel | d2dd1ad | 2017-03-29 16:13:17 -0700 | [diff] [blame] | 41 | #define SDE_RSCC_SOFT_WAKEUP_TIME_HI_DRV0 0xc08 |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 42 | #define SDE_RSCC_MAX_IDLE_DURATION_DRV0 0xc0c |
| 43 | #define SDE_RSC_SOLVER_TIME_SLOT_TABLE_0_DRV0 0x1000 |
| 44 | #define SDE_RSC_SOLVER_TIME_SLOT_TABLE_1_DRV0 0x1004 |
| 45 | #define SDE_RSC_SOLVER_TIME_SLOT_TABLE_2_DRV0 0x1008 |
| 46 | #define SDE_RSC_SOLVER_TIME_SLOT_TABLE_3_DRV0 0x100c |
| 47 | |
| 48 | #define SDE_RSC_SOLVER_SOLVER_MODES_ENABLED_DRV0 0xc20 |
| 49 | #define SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT0_PRI0_DRV0 0x1080 |
| 50 | #define SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT1_PRI0_DRV0 0x1100 |
| 51 | #define SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT1_PRI3_DRV0 0x110c |
| 52 | #define SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT2_PRI0_DRV0 0x1180 |
| 53 | #define SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT2_PRI3_DRV0 0x118c |
| 54 | |
| 55 | #define SDE_RSC_SOLVER_OVERRIDE_MODE_DRV0 0xc18 |
| 56 | #define SDE_RSC_SOLVER_OVERRIDE_CTRL_DRV0 0xc14 |
| 57 | #define SDE_RSC_TIMERS_CONSIDERED_DRV0 0xc00 |
| 58 | #define SDE_RSC_SOLVER_OVERRIDE_IDLE_TIME_DRV0 0xc1c |
| 59 | |
| 60 | #define SDE_RSC_SOLVER_MODE_PARM0_DRV0_MODE0 0xc30 |
| 61 | #define SDE_RSC_SOLVER_MODE_PARM1_DRV0_MODE0 0xc34 |
| 62 | #define SDE_RSC_SOLVER_MODE_PARM2_DRV0_MODE0 0xc38 |
| 63 | #define SDE_RSC_SOLVER_MODE_PARM3_DRV0_MODE0 0xc40 |
| 64 | |
| 65 | #define SDE_RSC_SOLVER_MODE_PARM0_DRV0_MODE1 0xc4c |
| 66 | #define SDE_RSC_SOLVER_MODE_PARM1_DRV0_MODE1 0xc50 |
| 67 | #define SDE_RSC_SOLVER_MODE_PARM2_DRV0_MODE1 0xc54 |
| 68 | #define SDE_RSC_SOLVER_MODE_PARM3_DRV0_MODE1 0xc5c |
| 69 | |
| 70 | #define SDE_RSC_SOLVER_MODE_PARM0_DRV0_MODE2 0xc68 |
| 71 | #define SDE_RSC_SOLVER_MODE_PARM1_DRV0_MODE2 0xc6c |
| 72 | #define SDE_RSC_SOLVER_MODE_PARM2_DRV0_MODE2 0xc70 |
| 73 | #define SDE_RSC_SOLVER_MODE_PARM3_DRV0_MODE2 0xc78 |
| 74 | |
| 75 | #define SDE_RSCC_TCS_DRV0_CONTROL 0x1c14 |
| 76 | |
| 77 | #define SDE_RSCC_WRAPPER_CTRL 0x000 |
| 78 | #define SDE_RSCC_WRAPPER_OVERRIDE_CTRL 0x004 |
| 79 | #define SDE_RSCC_WRAPPER_STATIC_WAKEUP_0 0x008 |
| 80 | #define SDE_RSCC_WRAPPER_RSCC_MODE_THRESHOLD 0x00c |
| 81 | #define SDE_RSCC_WRAPPER_DEBUG_BUS 0x010 |
| 82 | #define SDE_RSCC_WRAPPER_VSYNC_TIMESTAMP0 0x018 |
| 83 | #define SDE_RSCC_WRAPPER_VSYNC_TIMESTAMP1 0x01c |
| 84 | #define SDE_RSCC_SPARE_PWR_EVENT 0x020 |
| 85 | #define SDE_RSCC_PWR_CTRL 0x024 |
| 86 | |
| 87 | /* qtimer offset */ |
| 88 | #define SDE_RSCC_QTMR_AC_HW_FRAME_SEL_1 0x1FE0 |
| 89 | #define SDE_RSCC_QTMR_AC_HW_FRAME_SEL_2 0x1FF0 |
| 90 | #define SDE_RSCC_QTMR_AC_CNTACR0_FG0 0x1040 |
| 91 | #define SDE_RSCC_QTMR_AC_CNTACR1_FG0 0x1044 |
| 92 | #define SDE_RSCC_F0_QTMR_V1_CNTP_CVAL_LO 0x2020 |
| 93 | #define SDE_RSCC_F0_QTMR_V1_CNTP_CVAL_HI 0x2024 |
| 94 | #define SDE_RSCC_F1_QTMR_V1_CNTP_CVAL_LO 0x3020 |
| 95 | #define SDE_RSCC_F1_QTMR_V1_CNTP_CVAL_HI 0x3024 |
| 96 | #define SDE_RSCC_F0_QTMR_V1_CNTP_CTL 0x202C |
| 97 | #define SDE_RSCC_F1_QTMR_V1_CNTP_CTL 0x302C |
| 98 | |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 99 | #define MAX_CHECK_LOOPS 500 |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 100 | #define POWER_CTRL_BIT_12 12 |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 101 | |
Dhaval Patel | 031b415 | 2017-03-16 13:03:18 -0700 | [diff] [blame] | 102 | static void rsc_event_trigger(struct sde_rsc_priv *rsc, uint32_t event_type) |
| 103 | { |
| 104 | struct sde_rsc_event *event; |
| 105 | |
| 106 | list_for_each_entry(event, &rsc->event_list, list) |
| 107 | if (event->event_type & event_type) |
| 108 | event->cb_func(event_type, event->usr); |
| 109 | } |
| 110 | |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 111 | static int rsc_hw_qtimer_init(struct sde_rsc_priv *rsc) |
| 112 | { |
| 113 | pr_debug("rsc hardware qtimer init\n"); |
| 114 | |
| 115 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_QTMR_AC_HW_FRAME_SEL_1, |
| 116 | 0xffffffff, rsc->debug_mode); |
| 117 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_QTMR_AC_HW_FRAME_SEL_2, |
| 118 | 0xffffffff, rsc->debug_mode); |
| 119 | |
| 120 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_QTMR_AC_CNTACR0_FG0, |
| 121 | 0x1, rsc->debug_mode); |
| 122 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_QTMR_AC_CNTACR1_FG0, |
| 123 | 0x1, rsc->debug_mode); |
| 124 | |
| 125 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F0_QTMR_V1_CNTP_CVAL_LO, |
| 126 | 0xffffffff, rsc->debug_mode); |
| 127 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F0_QTMR_V1_CNTP_CVAL_HI, |
| 128 | 0xffffffff, rsc->debug_mode); |
| 129 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F1_QTMR_V1_CNTP_CVAL_LO, |
| 130 | 0xffffffff, rsc->debug_mode); |
| 131 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F1_QTMR_V1_CNTP_CVAL_HI, |
| 132 | 0xffffffff, rsc->debug_mode); |
| 133 | |
| 134 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F0_QTMR_V1_CNTP_CTL, |
| 135 | 0x1, rsc->debug_mode); |
| 136 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F1_QTMR_V1_CNTP_CTL, |
| 137 | 0x1, rsc->debug_mode); |
| 138 | |
| 139 | return 0; |
| 140 | } |
| 141 | |
| 142 | static int rsc_hw_pdc_init(struct sde_rsc_priv *rsc) |
| 143 | { |
| 144 | pr_debug("rsc hardware pdc init\n"); |
| 145 | |
| 146 | dss_reg_w(&rsc->drv_io, SDE_RSCC_PDC_SEQ_START_ADDR_REG_OFFSET_DRV0, |
| 147 | 0x4520, rsc->debug_mode); |
| 148 | dss_reg_w(&rsc->drv_io, SDE_RSCC_PDC_MATCH_VALUE_LO_REG_OFFSET_DRV0, |
| 149 | 0x4510, rsc->debug_mode); |
| 150 | dss_reg_w(&rsc->drv_io, SDE_RSCC_PDC_MATCH_VALUE_HI_REG_OFFSET_DRV0, |
| 151 | 0x4514, rsc->debug_mode); |
| 152 | dss_reg_w(&rsc->drv_io, SDE_RSCC_PDC_SLAVE_ID_DRV0, |
| 153 | 0x1, rsc->debug_mode); |
| 154 | |
| 155 | return 0; |
| 156 | } |
| 157 | |
| 158 | static int rsc_hw_wrapper_init(struct sde_rsc_priv *rsc) |
| 159 | { |
| 160 | pr_debug("rsc hardware wrapper init\n"); |
| 161 | |
| 162 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_STATIC_WAKEUP_0, |
| 163 | rsc->timer_config.static_wakeup_time_ns, rsc->debug_mode); |
| 164 | |
| 165 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_RSCC_MODE_THRESHOLD, |
| 166 | rsc->timer_config.rsc_mode_threshold_time_ns, rsc->debug_mode); |
| 167 | |
| 168 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_OVERRIDE_CTRL, |
| 169 | BIT(8), rsc->debug_mode); |
| 170 | return 0; |
| 171 | } |
| 172 | |
| 173 | static int rsc_hw_seq_memory_init(struct sde_rsc_priv *rsc) |
| 174 | { |
| 175 | pr_debug("rsc sequencer memory init\n"); |
| 176 | |
| 177 | /* Mode - 0 sequence */ |
| 178 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x0, |
| 179 | 0xe0a88bab, rsc->debug_mode); |
| 180 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x4, |
| 181 | 0x8babec39, rsc->debug_mode); |
| 182 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x8, |
| 183 | 0x8bab2088, rsc->debug_mode); |
| 184 | |
| 185 | /* Mode - 1 sequence */ |
| 186 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0xc, |
| 187 | 0x39e038a8, rsc->debug_mode); |
| 188 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x10, |
| 189 | 0x888babec, rsc->debug_mode); |
| 190 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x14, |
Dhaval Patel | f8718a1 | 2017-03-14 13:30:52 -0700 | [diff] [blame] | 191 | 0xa806a020, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 192 | |
| 193 | /* Mode - 2 sequence */ |
| 194 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x18, |
Dhaval Patel | f8718a1 | 2017-03-14 13:30:52 -0700 | [diff] [blame] | 195 | 0xa138ebaa, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 196 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x1c, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 197 | 0xaca581e1, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 198 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x20, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 199 | 0xe2a2ede0, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 200 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x24, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 201 | 0xea8a3982, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 202 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x28, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 203 | 0xa920888c, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 204 | |
| 205 | /* tcs sleep sequence */ |
| 206 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x2c, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 207 | 0x89e6a6e9, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 208 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x30, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 209 | 0xa7e9a920, rsc->debug_mode); |
Dhaval Patel | f8718a1 | 2017-03-14 13:30:52 -0700 | [diff] [blame] | 210 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_MEM_0_DRV0 + 0x34, |
Dhaval Patel | c063d1f | 2017-06-08 13:19:26 -0700 | [diff] [blame] | 211 | 0x002089e7, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 212 | |
| 213 | /* branch address */ |
| 214 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_CFG_BR_ADDR_0_DRV0, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 215 | 0x2b, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 216 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SEQ_CFG_BR_ADDR_1_DRV0, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 217 | 0x31, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 218 | |
| 219 | return 0; |
| 220 | } |
| 221 | |
| 222 | static int rsc_hw_solver_init(struct sde_rsc_priv *rsc) |
| 223 | { |
| 224 | const u32 mode_0_start_addr = 0x0; |
| 225 | const u32 mode_1_start_addr = 0xa; |
| 226 | const u32 mode_2_start_addr = 0x15; |
| 227 | |
| 228 | pr_debug("rsc solver init\n"); |
| 229 | |
| 230 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SOFT_WAKEUP_TIME_LO_DRV0, |
Dhaval Patel | d2dd1ad | 2017-03-29 16:13:17 -0700 | [diff] [blame] | 231 | 0xFFFFFFFF, rsc->debug_mode); |
| 232 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SOFT_WAKEUP_TIME_HI_DRV0, |
| 233 | 0xFFFFFFFF, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 234 | dss_reg_w(&rsc->drv_io, SDE_RSCC_MAX_IDLE_DURATION_DRV0, |
| 235 | 0xEFFFFFFF, rsc->debug_mode); |
| 236 | |
| 237 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_TIME_SLOT_TABLE_0_DRV0, |
| 238 | 0x0, rsc->debug_mode); |
| 239 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_TIME_SLOT_TABLE_1_DRV0, |
| 240 | rsc->timer_config.rsc_time_slot_0_ns, rsc->debug_mode); |
| 241 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_TIME_SLOT_TABLE_2_DRV0, |
| 242 | rsc->timer_config.rsc_time_slot_1_ns, rsc->debug_mode); |
| 243 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_TIME_SLOT_TABLE_3_DRV0, |
| 244 | rsc->timer_config.rsc_time_slot_2_ns, rsc->debug_mode); |
| 245 | |
| 246 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_SOLVER_MODES_ENABLED_DRV0, |
| 247 | 0x7, rsc->debug_mode); |
| 248 | |
| 249 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT0_PRI0_DRV0, |
| 250 | 0x0, rsc->debug_mode); |
| 251 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT1_PRI0_DRV0, |
| 252 | 0x1, rsc->debug_mode); |
| 253 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT1_PRI3_DRV0, |
| 254 | 0x1, rsc->debug_mode); |
| 255 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT2_PRI0_DRV0, |
| 256 | 0x2, rsc->debug_mode); |
| 257 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PRI_TABLE_SLOT2_PRI3_DRV0, |
| 258 | 0x2, rsc->debug_mode); |
| 259 | |
| 260 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_OVERRIDE_MODE_DRV0, |
| 261 | 0x0, rsc->debug_mode); |
| 262 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_OVERRIDE_CTRL_DRV0, |
| 263 | mode_0_start_addr, rsc->debug_mode); |
| 264 | dss_reg_w(&rsc->drv_io, SDE_RSC_TIMERS_CONSIDERED_DRV0, |
| 265 | 0x1, rsc->debug_mode); |
| 266 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_OVERRIDE_IDLE_TIME_DRV0, |
| 267 | 0x01000010, rsc->debug_mode); |
| 268 | |
| 269 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM0_DRV0_MODE0, |
| 270 | mode_0_start_addr, rsc->debug_mode); |
| 271 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM1_DRV0_MODE0, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 272 | 0x80000000, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 273 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM2_DRV0_MODE0, |
| 274 | rsc->timer_config.rsc_backoff_time_ns, rsc->debug_mode); |
| 275 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM3_DRV0_MODE0, |
| 276 | rsc->timer_config.pdc_backoff_time_ns, rsc->debug_mode); |
| 277 | |
| 278 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM0_DRV0_MODE1, |
| 279 | mode_1_start_addr, rsc->debug_mode); |
| 280 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM1_DRV0_MODE1, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 281 | 0x80000000, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 282 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM2_DRV0_MODE1, |
| 283 | rsc->timer_config.rsc_backoff_time_ns, rsc->debug_mode); |
| 284 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM3_DRV0_MODE1, |
| 285 | rsc->timer_config.pdc_backoff_time_ns, rsc->debug_mode); |
| 286 | |
| 287 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM0_DRV0_MODE2, |
| 288 | mode_2_start_addr, rsc->debug_mode); |
| 289 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM1_DRV0_MODE2, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 290 | 0x80000000, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 291 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM2_DRV0_MODE2, |
Dhaval Patel | 824e968 | 2017-05-01 23:31:22 -0700 | [diff] [blame] | 292 | 0x0, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 293 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_MODE_PARM3_DRV0_MODE2, |
| 294 | rsc->timer_config.pdc_backoff_time_ns, rsc->debug_mode); |
| 295 | |
| 296 | return 0; |
| 297 | } |
| 298 | |
Dhaval Patel | f2c1df9 | 2017-06-28 18:32:39 -0700 | [diff] [blame] | 299 | static int sde_rsc_mode2_exit(struct sde_rsc_priv *rsc, |
| 300 | enum sde_rsc_state state) |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 301 | { |
| 302 | int rc = -EBUSY; |
| 303 | int count, reg; |
Dhaval Patel | c8bdc2e | 2017-07-14 08:52:02 -0700 | [diff] [blame] | 304 | unsigned long power_status; |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 305 | |
Dhaval Patel | 031b415 | 2017-03-16 13:03:18 -0700 | [diff] [blame] | 306 | rsc_event_trigger(rsc, SDE_RSC_EVENT_PRE_CORE_RESTORE); |
| 307 | |
Dhaval Patel | fbb11f0 | 2017-04-06 13:43:28 -0700 | [diff] [blame] | 308 | /** |
| 309 | * force busy and idle during clk & video mode state because it |
| 310 | * is trying to entry in mode-2 without turning on the vysnc. |
| 311 | */ |
| 312 | if ((state == SDE_RSC_VID_STATE) || (state == SDE_RSC_CLK_STATE)) { |
| 313 | reg = dss_reg_r(&rsc->wrapper_io, |
| 314 | SDE_RSCC_WRAPPER_OVERRIDE_CTRL, rsc->debug_mode); |
Dhaval Patel | d2dd1ad | 2017-03-29 16:13:17 -0700 | [diff] [blame] | 315 | reg &= ~(BIT(8) | BIT(0)); |
Dhaval Patel | fbb11f0 | 2017-04-06 13:43:28 -0700 | [diff] [blame] | 316 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_OVERRIDE_CTRL, |
| 317 | reg, rsc->debug_mode); |
| 318 | } |
| 319 | |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 320 | // needs review with HPG sequence |
| 321 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F1_QTMR_V1_CNTP_CVAL_LO, |
| 322 | 0x0, rsc->debug_mode); |
| 323 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F1_QTMR_V1_CNTP_CVAL_HI, |
| 324 | 0x0, rsc->debug_mode); |
| 325 | |
| 326 | reg = dss_reg_r(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 327 | rsc->debug_mode); |
| 328 | reg &= ~BIT(3); |
| 329 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 330 | reg, rsc->debug_mode); |
| 331 | |
| 332 | reg = dss_reg_r(&rsc->wrapper_io, SDE_RSCC_SPARE_PWR_EVENT, |
| 333 | rsc->debug_mode); |
| 334 | reg |= BIT(13); |
| 335 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_SPARE_PWR_EVENT, |
| 336 | reg, rsc->debug_mode); |
| 337 | |
| 338 | /* make sure that mode-2 exit before wait*/ |
| 339 | wmb(); |
| 340 | |
Dhaval Patel | c8bdc2e | 2017-07-14 08:52:02 -0700 | [diff] [blame] | 341 | /* this wait is required to make sure that gdsc is powered on */ |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 342 | for (count = MAX_CHECK_LOOPS; count > 0; count--) { |
Dhaval Patel | c8bdc2e | 2017-07-14 08:52:02 -0700 | [diff] [blame] | 343 | power_status = dss_reg_r(&rsc->wrapper_io, |
| 344 | SDE_RSCC_PWR_CTRL, rsc->debug_mode); |
| 345 | if (!test_bit(POWER_CTRL_BIT_12, &power_status)) { |
| 346 | reg = dss_reg_r(&rsc->drv_io, |
| 347 | SDE_RSCC_SEQ_PROGRAM_COUNTER, rsc->debug_mode); |
Dhaval Patel | a5f7595 | 2017-07-25 11:17:41 -0700 | [diff] [blame] | 348 | SDE_EVT32_VERBOSE(count, reg, power_status); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 349 | rc = 0; |
| 350 | break; |
| 351 | } |
Dhaval Patel | d2dd1ad | 2017-03-29 16:13:17 -0700 | [diff] [blame] | 352 | usleep_range(10, 100); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | reg = dss_reg_r(&rsc->wrapper_io, SDE_RSCC_SPARE_PWR_EVENT, |
| 356 | rsc->debug_mode); |
| 357 | reg &= ~BIT(13); |
| 358 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_SPARE_PWR_EVENT, |
| 359 | reg, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 360 | if (rc) |
| 361 | pr_err("vdd reg is not enabled yet\n"); |
| 362 | |
Dhaval Patel | 031b415 | 2017-03-16 13:03:18 -0700 | [diff] [blame] | 363 | rsc_event_trigger(rsc, SDE_RSC_EVENT_POST_CORE_RESTORE); |
| 364 | |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 365 | return rc; |
| 366 | } |
| 367 | |
Dhaval Patel | f2c1df9 | 2017-06-28 18:32:39 -0700 | [diff] [blame] | 368 | static int sde_rsc_mode2_entry(struct sde_rsc_priv *rsc) |
| 369 | { |
| 370 | int rc; |
| 371 | int count, wrapper_status; |
| 372 | unsigned long reg; |
| 373 | |
| 374 | if (rsc->power_collapse_block) |
| 375 | return -EINVAL; |
| 376 | |
| 377 | rc = regulator_set_mode(rsc->fs, REGULATOR_MODE_FAST); |
| 378 | if (rc) { |
| 379 | pr_err("vdd reg fast mode set failed rc:%d\n", rc); |
| 380 | return rc; |
| 381 | } |
| 382 | |
| 383 | rsc_event_trigger(rsc, SDE_RSC_EVENT_PRE_CORE_PC); |
| 384 | |
| 385 | /* update qtimers to high during clk & video mode state */ |
| 386 | if ((rsc->current_state == SDE_RSC_VID_STATE) || |
| 387 | (rsc->current_state == SDE_RSC_CLK_STATE)) { |
| 388 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F0_QTMR_V1_CNTP_CVAL_HI, |
| 389 | 0xffffffff, rsc->debug_mode); |
| 390 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_F0_QTMR_V1_CNTP_CVAL_LO, |
| 391 | 0xffffffff, rsc->debug_mode); |
| 392 | } |
| 393 | |
| 394 | wrapper_status = dss_reg_r(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 395 | rsc->debug_mode); |
| 396 | wrapper_status |= BIT(3); |
| 397 | wrapper_status |= BIT(0); |
| 398 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 399 | wrapper_status, rsc->debug_mode); |
| 400 | |
| 401 | /** |
| 402 | * force busy and idle during clk & video mode state because it |
| 403 | * is trying to entry in mode-2 without turning on the vysnc. |
| 404 | */ |
| 405 | if ((rsc->current_state == SDE_RSC_VID_STATE) || |
| 406 | (rsc->current_state == SDE_RSC_CLK_STATE)) { |
| 407 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_OVERRIDE_CTRL, |
| 408 | BIT(0) | BIT(1), rsc->debug_mode); |
| 409 | wmb(); /* force busy gurantee */ |
| 410 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_OVERRIDE_CTRL, |
| 411 | BIT(0) | BIT(9), rsc->debug_mode); |
| 412 | } |
| 413 | |
| 414 | /* make sure that mode-2 is triggered before wait*/ |
| 415 | wmb(); |
| 416 | |
| 417 | rc = -EBUSY; |
| 418 | /* this wait is required to turn off the rscc clocks */ |
| 419 | for (count = MAX_CHECK_LOOPS; count > 0; count--) { |
| 420 | reg = dss_reg_r(&rsc->wrapper_io, |
| 421 | SDE_RSCC_PWR_CTRL, rsc->debug_mode); |
| 422 | if (test_bit(POWER_CTRL_BIT_12, ®)) { |
| 423 | rc = 0; |
| 424 | break; |
| 425 | } |
Dhaval Patel | c8bdc2e | 2017-07-14 08:52:02 -0700 | [diff] [blame] | 426 | usleep_range(10, 100); |
Dhaval Patel | f2c1df9 | 2017-06-28 18:32:39 -0700 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | if (rc) { |
| 430 | pr_err("mdss gdsc power down failed rc:%d\n", rc); |
| 431 | goto end; |
| 432 | } |
| 433 | |
| 434 | if ((rsc->current_state == SDE_RSC_VID_STATE) || |
| 435 | (rsc->current_state == SDE_RSC_CLK_STATE)) { |
| 436 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_OVERRIDE_CTRL, |
| 437 | BIT(0) | BIT(8), rsc->debug_mode); |
| 438 | wmb(); /* force busy on vsync */ |
| 439 | } |
| 440 | |
| 441 | rsc_event_trigger(rsc, SDE_RSC_EVENT_POST_CORE_PC); |
| 442 | |
| 443 | return 0; |
| 444 | |
| 445 | end: |
| 446 | sde_rsc_mode2_exit(rsc, rsc->current_state); |
| 447 | |
| 448 | return rc; |
| 449 | } |
| 450 | |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 451 | static int sde_rsc_state_update(struct sde_rsc_priv *rsc, |
| 452 | enum sde_rsc_state state) |
| 453 | { |
| 454 | int rc = 0; |
| 455 | int reg; |
| 456 | |
| 457 | if (rsc->power_collapse) { |
Dhaval Patel | fbb11f0 | 2017-04-06 13:43:28 -0700 | [diff] [blame] | 458 | rc = sde_rsc_mode2_exit(rsc, state); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 459 | if (rc) |
| 460 | pr_err("power collapse: mode2 exit failed\n"); |
| 461 | else |
| 462 | rsc->power_collapse = false; |
| 463 | } |
| 464 | |
| 465 | switch (state) { |
| 466 | case SDE_RSC_CMD_STATE: |
| 467 | pr_debug("command mode handling\n"); |
| 468 | |
| 469 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 470 | 0x1, rsc->debug_mode); |
| 471 | dss_reg_w(&rsc->drv_io, SDE_RSCC_SOLVER_OVERRIDE_CTRL_DRV0, |
| 472 | 0x0, rsc->debug_mode); |
| 473 | reg = dss_reg_r(&rsc->wrapper_io, |
| 474 | SDE_RSCC_WRAPPER_OVERRIDE_CTRL, rsc->debug_mode); |
| 475 | reg |= (BIT(0) | BIT(8)); |
| 476 | reg &= ~(BIT(1) | BIT(2) | BIT(3) | BIT(6) | BIT(7)); |
| 477 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_OVERRIDE_CTRL, |
| 478 | reg, rsc->debug_mode); |
| 479 | /* make sure that solver is enabled */ |
| 480 | wmb(); |
Dhaval Patel | 031b415 | 2017-03-16 13:03:18 -0700 | [diff] [blame] | 481 | |
| 482 | rsc_event_trigger(rsc, SDE_RSC_EVENT_SOLVER_ENABLED); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 483 | break; |
| 484 | |
| 485 | case SDE_RSC_VID_STATE: |
| 486 | pr_debug("video mode handling\n"); |
| 487 | |
| 488 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 489 | 0x1, rsc->debug_mode); |
| 490 | reg = dss_reg_r(&rsc->wrapper_io, |
| 491 | SDE_RSCC_WRAPPER_OVERRIDE_CTRL, rsc->debug_mode); |
| 492 | reg |= BIT(8); |
| 493 | reg &= ~(BIT(1) | BIT(0)); |
| 494 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_OVERRIDE_CTRL, |
| 495 | reg, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 496 | /* make sure that solver mode is override */ |
| 497 | wmb(); |
Dhaval Patel | 031b415 | 2017-03-16 13:03:18 -0700 | [diff] [blame] | 498 | |
| 499 | rsc_event_trigger(rsc, SDE_RSC_EVENT_SOLVER_DISABLED); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 500 | break; |
| 501 | |
Dhaval Patel | fbb11f0 | 2017-04-06 13:43:28 -0700 | [diff] [blame] | 502 | case SDE_RSC_CLK_STATE: |
| 503 | pr_debug("clk state handling\n"); |
Dhaval Patel | d2dd1ad | 2017-03-29 16:13:17 -0700 | [diff] [blame] | 504 | |
| 505 | reg = dss_reg_r(&rsc->wrapper_io, |
| 506 | SDE_RSCC_WRAPPER_OVERRIDE_CTRL, rsc->debug_mode); |
| 507 | reg &= ~(BIT(8) | BIT(0)); |
| 508 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_OVERRIDE_CTRL, |
| 509 | reg, rsc->debug_mode); |
Dhaval Patel | d2dd1ad | 2017-03-29 16:13:17 -0700 | [diff] [blame] | 510 | /* make sure that solver mode is disabled */ |
| 511 | wmb(); |
Dhaval Patel | fbb11f0 | 2017-04-06 13:43:28 -0700 | [diff] [blame] | 512 | break; |
| 513 | |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 514 | case SDE_RSC_IDLE_STATE: |
| 515 | rc = sde_rsc_mode2_entry(rsc); |
| 516 | if (rc) |
| 517 | pr_err("power collapse - mode 2 entry failed\n"); |
| 518 | else |
| 519 | rsc->power_collapse = true; |
| 520 | break; |
| 521 | |
| 522 | default: |
| 523 | pr_err("state:%d handling is not supported\n", state); |
| 524 | break; |
| 525 | } |
| 526 | |
| 527 | return rc; |
| 528 | } |
| 529 | |
| 530 | int rsc_hw_init(struct sde_rsc_priv *rsc) |
| 531 | { |
| 532 | int rc = 0; |
| 533 | |
| 534 | rc = rsc_hw_qtimer_init(rsc); |
| 535 | if (rc) { |
| 536 | pr_err("rsc hw qtimer init failed\n"); |
| 537 | goto end; |
| 538 | } |
| 539 | |
| 540 | rc = rsc_hw_wrapper_init(rsc); |
| 541 | if (rc) { |
| 542 | pr_err("rsc hw wrapper init failed\n"); |
| 543 | goto end; |
| 544 | } |
| 545 | |
| 546 | rc = rsc_hw_seq_memory_init(rsc); |
| 547 | if (rc) { |
| 548 | pr_err("rsc sequencer memory init failed\n"); |
| 549 | goto end; |
| 550 | } |
| 551 | |
| 552 | rc = rsc_hw_solver_init(rsc); |
| 553 | if (rc) { |
| 554 | pr_err("rsc solver init failed\n"); |
| 555 | goto end; |
| 556 | } |
| 557 | |
| 558 | rc = rsc_hw_pdc_init(rsc); |
| 559 | if (rc) { |
| 560 | pr_err("rsc hw pdc init failed\n"); |
| 561 | goto end; |
| 562 | } |
| 563 | |
| 564 | /* make sure that hw is initialized */ |
| 565 | wmb(); |
| 566 | |
| 567 | pr_info("sde rsc init successfully done\n"); |
| 568 | end: |
| 569 | return rc; |
| 570 | } |
| 571 | |
| 572 | int rsc_hw_mode_ctrl(struct sde_rsc_priv *rsc, enum rsc_mode_req request, |
Dhaval Patel | 3d56f89 | 2017-05-05 12:21:08 -0700 | [diff] [blame] | 573 | char *buffer, int buffer_size, u32 mode) |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 574 | { |
| 575 | u32 blen = 0; |
| 576 | u32 slot_time; |
| 577 | |
| 578 | switch (request) { |
| 579 | case MODE_READ: |
| 580 | if (!buffer || !buffer_size) |
| 581 | return blen; |
| 582 | |
| 583 | blen = snprintf(buffer, buffer_size - blen, |
| 584 | "mode_status:0x%x\n", |
| 585 | dss_reg_r(&rsc->drv_io, SDE_RSCC_SOLVER_STATUS2_DRV0, |
| 586 | rsc->debug_mode)); |
| 587 | break; |
| 588 | |
Dhaval Patel | 3d56f89 | 2017-05-05 12:21:08 -0700 | [diff] [blame] | 589 | case MODE_UPDATE: |
| 590 | slot_time = mode & BIT(0) ? 0x0 : |
| 591 | rsc->timer_config.rsc_time_slot_2_ns; |
| 592 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_TIME_SLOT_TABLE_0_DRV0, |
| 593 | slot_time, rsc->debug_mode); |
| 594 | |
| 595 | slot_time = mode & BIT(1) ? |
| 596 | rsc->timer_config.rsc_time_slot_0_ns : |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 597 | rsc->timer_config.rsc_time_slot_2_ns; |
| 598 | dss_reg_w(&rsc->drv_io, SDE_RSC_SOLVER_TIME_SLOT_TABLE_1_DRV0, |
| 599 | slot_time, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 600 | |
Dhaval Patel | 3d56f89 | 2017-05-05 12:21:08 -0700 | [diff] [blame] | 601 | rsc->power_collapse_block = !(mode & BIT(2)); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 602 | break; |
| 603 | |
| 604 | default: |
| 605 | break; |
| 606 | } |
| 607 | |
| 608 | return blen; |
| 609 | } |
| 610 | |
| 611 | int sde_rsc_debug_show(struct seq_file *s, struct sde_rsc_priv *rsc) |
| 612 | { |
| 613 | seq_printf(s, "override ctrl:0x%x\n", |
| 614 | dss_reg_r(&rsc->wrapper_io, SDE_RSCC_WRAPPER_OVERRIDE_CTRL, |
| 615 | rsc->debug_mode)); |
| 616 | seq_printf(s, "power ctrl:0x%x\n", |
| 617 | dss_reg_r(&rsc->wrapper_io, SDE_RSCC_PWR_CTRL, |
| 618 | rsc->debug_mode)); |
| 619 | seq_printf(s, "vsycn timestamp0:0x%x\n", |
| 620 | dss_reg_r(&rsc->wrapper_io, SDE_RSCC_WRAPPER_VSYNC_TIMESTAMP0, |
| 621 | rsc->debug_mode)); |
| 622 | seq_printf(s, "vsycn timestamp1:0x%x\n", |
| 623 | dss_reg_r(&rsc->wrapper_io, SDE_RSCC_WRAPPER_VSYNC_TIMESTAMP1, |
| 624 | rsc->debug_mode)); |
| 625 | |
| 626 | seq_printf(s, "error irq status:0x%x\n", |
| 627 | dss_reg_r(&rsc->drv_io, SDE_RSCC_ERROR_IRQ_STATUS_DRV0, |
| 628 | rsc->debug_mode)); |
| 629 | |
| 630 | seq_printf(s, "seq busy status:0x%x\n", |
| 631 | dss_reg_r(&rsc->drv_io, SDE_RSCC_SEQ_BUSY_DRV0, |
| 632 | rsc->debug_mode)); |
| 633 | |
| 634 | seq_printf(s, "solver override ctrl status:0x%x\n", |
| 635 | dss_reg_r(&rsc->drv_io, SDE_RSCC_SOLVER_OVERRIDE_CTRL_DRV0, |
| 636 | rsc->debug_mode)); |
| 637 | seq_printf(s, "solver override status:0x%x\n", |
| 638 | dss_reg_r(&rsc->drv_io, SDE_RSCC_SOLVER_STATUS0_DRV0, |
| 639 | rsc->debug_mode)); |
| 640 | seq_printf(s, "solver timeslot status:0x%x\n", |
| 641 | dss_reg_r(&rsc->drv_io, SDE_RSCC_SOLVER_STATUS1_DRV0, |
| 642 | rsc->debug_mode)); |
| 643 | seq_printf(s, "solver mode status:0x%x\n", |
| 644 | dss_reg_r(&rsc->drv_io, SDE_RSCC_SOLVER_STATUS2_DRV0, |
| 645 | rsc->debug_mode)); |
| 646 | |
| 647 | seq_printf(s, "amc status:0x%x\n", |
| 648 | dss_reg_r(&rsc->drv_io, SDE_RSCC_AMC_TCS_MODE_IRQ_STATUS_DRV0, |
| 649 | rsc->debug_mode)); |
| 650 | |
| 651 | return 0; |
| 652 | } |
| 653 | |
| 654 | int rsc_hw_vsync(struct sde_rsc_priv *rsc, enum rsc_vsync_req request, |
| 655 | char *buffer, int buffer_size, u32 mode) |
| 656 | { |
| 657 | u32 blen = 0, reg; |
| 658 | |
| 659 | switch (request) { |
| 660 | case VSYNC_READ: |
| 661 | if (!buffer || !buffer_size) |
| 662 | return blen; |
| 663 | |
| 664 | blen = snprintf(buffer, buffer_size - blen, "vsync0:0x%x\n", |
Dhaval Patel | 3d56f89 | 2017-05-05 12:21:08 -0700 | [diff] [blame] | 665 | dss_reg_r(&rsc->wrapper_io, |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 666 | SDE_RSCC_WRAPPER_VSYNC_TIMESTAMP0, |
| 667 | rsc->debug_mode)); |
| 668 | if (blen >= buffer_size) |
| 669 | return blen; |
| 670 | |
| 671 | blen += snprintf(buffer + blen, buffer_size - blen, |
| 672 | "vsync1:0x%x\n", |
Dhaval Patel | 3d56f89 | 2017-05-05 12:21:08 -0700 | [diff] [blame] | 673 | dss_reg_r(&rsc->wrapper_io, |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 674 | SDE_RSCC_WRAPPER_VSYNC_TIMESTAMP1, |
| 675 | rsc->debug_mode)); |
| 676 | break; |
| 677 | |
| 678 | case VSYNC_ENABLE: |
Ingrid Gallardo | fe757d2 | 2017-06-29 19:37:53 -0700 | [diff] [blame] | 679 | reg = BIT(8) | ((mode & 0x7) << 10); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 680 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_DEBUG_BUS, |
Dhaval Patel | 3d56f89 | 2017-05-05 12:21:08 -0700 | [diff] [blame] | 681 | reg, rsc->debug_mode); |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 682 | break; |
| 683 | |
| 684 | case VSYNC_DISABLE: |
| 685 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_DEBUG_BUS, |
| 686 | 0x0, rsc->debug_mode); |
| 687 | break; |
| 688 | } |
| 689 | |
| 690 | return blen; |
| 691 | } |
| 692 | |
| 693 | bool rsc_hw_is_amc_mode(struct sde_rsc_priv *rsc) |
| 694 | { |
| 695 | return dss_reg_r(&rsc->drv_io, SDE_RSCC_TCS_DRV0_CONTROL, |
| 696 | rsc->debug_mode) & BIT(16); |
| 697 | } |
| 698 | |
| 699 | int rsc_hw_tcs_wait(struct sde_rsc_priv *rsc) |
| 700 | { |
| 701 | int rc = -EBUSY; |
| 702 | int count, seq_status; |
| 703 | |
| 704 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 705 | 0x0, rsc->debug_mode); |
| 706 | seq_status = dss_reg_r(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 707 | rsc->debug_mode) & BIT(1); |
| 708 | /* if seq busy - set TCS use OK to high and wait for 200us */ |
| 709 | if (seq_status) { |
| 710 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 711 | 0x1, rsc->debug_mode); |
| 712 | usleep_range(100, 200); |
| 713 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 714 | 0x0, rsc->debug_mode); |
| 715 | } |
| 716 | |
| 717 | /* check for sequence running status before exiting */ |
| 718 | for (count = MAX_CHECK_LOOPS; count > 0; count--) { |
| 719 | seq_status = dss_reg_r(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 720 | rsc->debug_mode) & BIT(1); |
| 721 | if (!seq_status) { |
| 722 | rc = 0; |
| 723 | break; |
| 724 | } |
| 725 | usleep_range(1, 2); |
| 726 | } |
| 727 | |
| 728 | return rc; |
| 729 | } |
| 730 | |
| 731 | int rsc_hw_tcs_use_ok(struct sde_rsc_priv *rsc) |
| 732 | { |
| 733 | dss_reg_w(&rsc->wrapper_io, SDE_RSCC_WRAPPER_CTRL, |
| 734 | 0x1, rsc->debug_mode); |
| 735 | return 0; |
| 736 | } |
| 737 | |
| 738 | int sde_rsc_hw_register(struct sde_rsc_priv *rsc) |
| 739 | { |
| 740 | pr_debug("rsc hardware register\n"); |
| 741 | |
| 742 | rsc->hw_ops.init = rsc_hw_init; |
| 743 | |
| 744 | rsc->hw_ops.tcs_wait = rsc_hw_tcs_wait; |
| 745 | rsc->hw_ops.tcs_use_ok = rsc_hw_tcs_use_ok; |
| 746 | rsc->hw_ops.is_amc_mode = rsc_hw_is_amc_mode; |
| 747 | |
Dhaval Patel | 020f7e12 | 2016-11-15 14:39:18 -0800 | [diff] [blame] | 748 | rsc->hw_ops.hw_vsync = rsc_hw_vsync; |
| 749 | rsc->hw_ops.state_update = sde_rsc_state_update; |
| 750 | rsc->hw_ops.debug_show = sde_rsc_debug_show; |
| 751 | rsc->hw_ops.mode_ctrl = rsc_hw_mode_ctrl; |
| 752 | |
| 753 | return 0; |
| 754 | } |