David Dai | 3734dab | 2018-01-09 11:21:11 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved. |
David Dai | 04ce420 | 2016-09-26 16:24:13 -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/clk.h> |
| 14 | #include <linux/device.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/io.h> |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/module.h> |
| 19 | #include <linux/slab.h> |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 20 | #include <soc/qcom/cmd-db.h> |
| 21 | #include <soc/qcom/rpmh.h> |
| 22 | #include <soc/qcom/tcs.h> |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 23 | #include <trace/events/trace_msm_bus.h> |
| 24 | #include "msm_bus_core.h" |
| 25 | #include "msm_bus_rpmh.h" |
| 26 | #include "msm_bus_noc.h" |
| 27 | #include "msm_bus_bimc.h" |
| 28 | |
| 29 | #define BCM_TCS_CMD_COMMIT_SHFT 30 |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 30 | #define BCM_TCS_CMD_COMMIT_MASK 0x40000000 |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 31 | #define BCM_TCS_CMD_VALID_SHFT 29 |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 32 | #define BCM_TCS_CMD_VALID_MASK 0x20000000 |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 33 | #define BCM_TCS_CMD_VOTE_X_SHFT 14 |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 34 | #define BCM_TCS_CMD_VOTE_MASK 0x3FFF |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 35 | #define BCM_TCS_CMD_VOTE_Y_SHFT 0 |
| 36 | #define BCM_TCS_CMD_VOTE_Y_MASK 0xFFFC000 |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 37 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 38 | #define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \ |
| 39 | (((commit & 0x1) << BCM_TCS_CMD_COMMIT_SHFT) |\ |
| 40 | ((valid & 0x1) << BCM_TCS_CMD_VALID_SHFT) |\ |
| 41 | ((vote_x & BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) |\ |
| 42 | ((vote_y & BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT)) |
| 43 | |
| 44 | static int msm_bus_dev_init_qos(struct device *dev, void *data); |
| 45 | |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 46 | static struct list_head bcm_query_list_inorder[VCD_MAX_CNT]; |
| 47 | static struct msm_bus_node_device_type *cur_rsc; |
David Dai | 62c04a6 | 2017-04-12 19:05:49 -0700 | [diff] [blame] | 48 | static bool init_time = true; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 49 | |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 50 | struct bcm_db { |
| 51 | uint32_t unit_size; |
| 52 | uint16_t width; |
| 53 | uint8_t clk_domain; |
| 54 | uint8_t reserved; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 55 | }; |
| 56 | |
| 57 | ssize_t bw_show(struct device *dev, struct device_attribute *attr, |
| 58 | char *buf) |
| 59 | { |
| 60 | struct msm_bus_node_info_type *node_info = NULL; |
| 61 | struct msm_bus_node_device_type *bus_node = NULL; |
| 62 | int i; |
| 63 | int off = 0; |
| 64 | |
| 65 | bus_node = to_msm_bus_node(dev); |
| 66 | if (!bus_node) |
| 67 | return -EINVAL; |
| 68 | |
| 69 | node_info = bus_node->node_info; |
| 70 | |
| 71 | for (i = 0; i < bus_node->num_lnodes; i++) { |
| 72 | if (!bus_node->lnode_list[i].in_use) |
| 73 | continue; |
| 74 | off += scnprintf((buf + off), PAGE_SIZE, |
| 75 | "[%d]:%s:Act_IB %llu Act_AB %llu Slp_IB %llu Slp_AB %llu\n", |
| 76 | i, bus_node->lnode_list[i].cl_name, |
| 77 | bus_node->lnode_list[i].lnode_ib[ACTIVE_CTX], |
| 78 | bus_node->lnode_list[i].lnode_ab[ACTIVE_CTX], |
| 79 | bus_node->lnode_list[i].lnode_ib[DUAL_CTX], |
| 80 | bus_node->lnode_list[i].lnode_ab[DUAL_CTX]); |
| 81 | trace_printk( |
| 82 | "[%d]:%s:Act_IB %llu Act_AB %llu Slp_IB %llu Slp_AB %llu\n", |
| 83 | i, bus_node->lnode_list[i].cl_name, |
| 84 | bus_node->lnode_list[i].lnode_ib[ACTIVE_CTX], |
| 85 | bus_node->lnode_list[i].lnode_ab[ACTIVE_CTX], |
| 86 | bus_node->lnode_list[i].lnode_ib[DUAL_CTX], |
| 87 | bus_node->lnode_list[i].lnode_ab[DUAL_CTX]); |
| 88 | } |
| 89 | off += scnprintf((buf + off), PAGE_SIZE, |
| 90 | "Max_Act_IB %llu Sum_Act_AB %llu Act_Util_fact %d Act_Vrail_comp %d\n", |
| 91 | bus_node->node_bw[ACTIVE_CTX].max_ib, |
| 92 | bus_node->node_bw[ACTIVE_CTX].sum_ab, |
| 93 | bus_node->node_bw[ACTIVE_CTX].util_used, |
| 94 | bus_node->node_bw[ACTIVE_CTX].vrail_used); |
| 95 | off += scnprintf((buf + off), PAGE_SIZE, |
| 96 | "Max_Slp_IB %llu Sum_Slp_AB %llu Slp_Util_fact %d Slp_Vrail_comp %d\n", |
| 97 | bus_node->node_bw[DUAL_CTX].max_ib, |
| 98 | bus_node->node_bw[DUAL_CTX].sum_ab, |
| 99 | bus_node->node_bw[DUAL_CTX].util_used, |
| 100 | bus_node->node_bw[DUAL_CTX].vrail_used); |
| 101 | trace_printk( |
| 102 | "Max_Act_IB %llu Sum_Act_AB %llu Act_Util_fact %d Act_Vrail_comp %d\n", |
| 103 | bus_node->node_bw[ACTIVE_CTX].max_ib, |
| 104 | bus_node->node_bw[ACTIVE_CTX].sum_ab, |
| 105 | bus_node->node_bw[ACTIVE_CTX].util_used, |
| 106 | bus_node->node_bw[ACTIVE_CTX].vrail_used); |
| 107 | trace_printk( |
| 108 | "Max_Slp_IB %llu Sum_Slp_AB %lluSlp_Util_fact %d Slp_Vrail_comp %d\n", |
| 109 | bus_node->node_bw[DUAL_CTX].max_ib, |
| 110 | bus_node->node_bw[DUAL_CTX].sum_ab, |
| 111 | bus_node->node_bw[DUAL_CTX].util_used, |
| 112 | bus_node->node_bw[DUAL_CTX].vrail_used); |
| 113 | return off; |
| 114 | } |
| 115 | |
| 116 | ssize_t bw_store(struct device *dev, struct device_attribute *attr, |
| 117 | const char *buf, size_t count) |
| 118 | { |
| 119 | return count; |
| 120 | } |
| 121 | |
| 122 | DEVICE_ATTR(bw, 0600, bw_show, bw_store); |
| 123 | |
| 124 | struct static_rules_type { |
| 125 | int num_rules; |
| 126 | struct bus_rule_type *rules; |
| 127 | }; |
| 128 | |
| 129 | static struct static_rules_type static_rules; |
| 130 | |
| 131 | static int bus_get_reg(struct nodeclk *nclk, struct device *dev) |
| 132 | { |
| 133 | int ret = 0; |
| 134 | struct msm_bus_node_device_type *node_dev; |
| 135 | |
| 136 | if (!(dev && nclk)) |
| 137 | return -ENXIO; |
| 138 | |
| 139 | node_dev = to_msm_bus_node(dev); |
| 140 | if (!strlen(nclk->reg_name)) { |
| 141 | dev_dbg(dev, "No regulator exist for node %d\n", |
| 142 | node_dev->node_info->id); |
| 143 | goto exit_of_get_reg; |
| 144 | } else { |
| 145 | if (!(IS_ERR_OR_NULL(nclk->reg))) |
| 146 | goto exit_of_get_reg; |
| 147 | |
| 148 | nclk->reg = devm_regulator_get(dev, nclk->reg_name); |
| 149 | if (IS_ERR_OR_NULL(nclk->reg)) { |
| 150 | ret = |
| 151 | (IS_ERR(nclk->reg) ? PTR_ERR(nclk->reg) : -ENXIO); |
| 152 | dev_err(dev, "Error: Failed to get regulator %s:%d\n", |
| 153 | nclk->reg_name, ret); |
| 154 | } else { |
| 155 | dev_dbg(dev, "Successfully got regulator for %d\n", |
| 156 | node_dev->node_info->id); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | exit_of_get_reg: |
| 161 | return ret; |
| 162 | } |
| 163 | |
| 164 | static int bus_enable_reg(struct nodeclk *nclk) |
| 165 | { |
| 166 | int ret = 0; |
| 167 | |
| 168 | if (!nclk) { |
| 169 | ret = -ENXIO; |
| 170 | goto exit_bus_enable_reg; |
| 171 | } |
| 172 | |
| 173 | if ((IS_ERR_OR_NULL(nclk->reg))) { |
| 174 | ret = -ENXIO; |
| 175 | goto exit_bus_enable_reg; |
| 176 | } |
| 177 | |
| 178 | ret = regulator_enable(nclk->reg); |
| 179 | if (ret) { |
| 180 | MSM_BUS_ERR("Failed to enable regulator for %s\n", |
| 181 | nclk->reg_name); |
| 182 | goto exit_bus_enable_reg; |
| 183 | } |
| 184 | pr_debug("%s: Enabled Reg\n", __func__); |
| 185 | exit_bus_enable_reg: |
| 186 | return ret; |
| 187 | } |
| 188 | |
| 189 | static int bus_disable_reg(struct nodeclk *nclk) |
| 190 | { |
| 191 | int ret = 0; |
| 192 | |
| 193 | if (!nclk) { |
| 194 | ret = -ENXIO; |
| 195 | goto exit_bus_disable_reg; |
| 196 | } |
| 197 | |
| 198 | if ((IS_ERR_OR_NULL(nclk->reg))) { |
| 199 | ret = -ENXIO; |
| 200 | goto exit_bus_disable_reg; |
| 201 | } |
| 202 | |
| 203 | regulator_disable(nclk->reg); |
| 204 | pr_debug("%s: Disabled Reg\n", __func__); |
| 205 | exit_bus_disable_reg: |
| 206 | return ret; |
| 207 | } |
| 208 | |
| 209 | static int enable_nodeclk(struct nodeclk *nclk, struct device *dev) |
| 210 | { |
| 211 | int ret = 0; |
| 212 | |
| 213 | if (!nclk->enable && !nclk->setrate_only_clk) { |
| 214 | if (dev && strlen(nclk->reg_name)) { |
| 215 | if (IS_ERR_OR_NULL(nclk->reg)) { |
| 216 | ret = bus_get_reg(nclk, dev); |
| 217 | if (ret) { |
| 218 | dev_dbg(dev, |
| 219 | "Failed to get reg.Err %d\n", |
| 220 | ret); |
| 221 | goto exit_enable_nodeclk; |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | ret = bus_enable_reg(nclk); |
| 226 | if (ret) { |
| 227 | dev_dbg(dev, "Failed to enable reg. Err %d\n", |
| 228 | ret); |
| 229 | goto exit_enable_nodeclk; |
| 230 | } |
| 231 | } |
| 232 | ret = clk_prepare_enable(nclk->clk); |
| 233 | |
| 234 | if (ret) { |
| 235 | MSM_BUS_ERR("%s: failed to enable clk ", __func__); |
| 236 | nclk->enable = false; |
| 237 | } else |
| 238 | nclk->enable = true; |
| 239 | } |
| 240 | exit_enable_nodeclk: |
| 241 | return ret; |
| 242 | } |
| 243 | |
| 244 | static int disable_nodeclk(struct nodeclk *nclk) |
| 245 | { |
| 246 | int ret = 0; |
| 247 | |
| 248 | if (nclk->enable && !nclk->setrate_only_clk) { |
| 249 | clk_disable_unprepare(nclk->clk); |
| 250 | nclk->enable = false; |
| 251 | bus_disable_reg(nclk); |
| 252 | } |
| 253 | return ret; |
| 254 | } |
| 255 | |
| 256 | static int setrate_nodeclk(struct nodeclk *nclk, long rate) |
| 257 | { |
| 258 | int ret = 0; |
| 259 | |
| 260 | if (!nclk->enable_only_clk) |
| 261 | ret = clk_set_rate(nclk->clk, rate); |
| 262 | |
| 263 | if (ret) |
| 264 | MSM_BUS_ERR("%s: failed to setrate clk", __func__); |
| 265 | return ret; |
| 266 | } |
| 267 | |
| 268 | static int tcs_cmd_gen(struct msm_bus_node_device_type *cur_bcm, |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 269 | struct tcs_cmd *cmd, uint64_t vec_a, |
| 270 | uint64_t vec_b, bool commit) |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 271 | { |
| 272 | int ret = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 273 | bool valid = true; |
| 274 | |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 275 | if (!cmd) |
| 276 | return ret; |
| 277 | |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 278 | if (vec_a == 0 && vec_b == 0) |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 279 | valid = false; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 280 | |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 281 | if (vec_a > BCM_TCS_CMD_VOTE_MASK) |
| 282 | vec_a = BCM_TCS_CMD_VOTE_MASK; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 283 | |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 284 | if (vec_b > BCM_TCS_CMD_VOTE_MASK) |
| 285 | vec_b = BCM_TCS_CMD_VOTE_MASK; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 286 | |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 287 | cmd->addr = cur_bcm->bcmdev->addr; |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 288 | cmd->data = BCM_TCS_CMD(commit, valid, vec_a, vec_b); |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 289 | cmd->complete = commit; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 290 | |
| 291 | return ret; |
| 292 | } |
| 293 | |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 294 | static int tcs_cmd_list_gen(int *n_active, |
| 295 | int *n_wake, |
| 296 | int *n_sleep, |
| 297 | struct tcs_cmd *cmdlist_active, |
| 298 | struct tcs_cmd *cmdlist_wake, |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 299 | struct tcs_cmd *cmdlist_sleep, |
| 300 | struct list_head *cur_bcm_clist) |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 301 | { |
| 302 | struct msm_bus_node_device_type *cur_bcm = NULL; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 303 | int i = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 304 | int k = 0; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 305 | int idx = 0; |
| 306 | int last_tcs = -1; |
| 307 | bool commit = false; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 308 | |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 309 | if (!cmdlist_active) |
| 310 | goto exit_tcs_cmd_list_gen; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 311 | |
| 312 | for (i = 0; i < VCD_MAX_CNT; i++) { |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 313 | last_tcs = -1; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 314 | if (list_empty(&cur_bcm_clist[i])) |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 315 | continue; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 316 | list_for_each_entry(cur_bcm, &cur_bcm_clist[i], link) { |
David Dai | 903f683 | 2017-04-20 18:14:26 -0700 | [diff] [blame] | 317 | if (cur_bcm->updated || |
| 318 | (cur_bcm->node_vec[DUAL_CTX].vec_a == 0 && |
| 319 | cur_bcm->node_vec[ACTIVE_CTX].vec_a == 0 && |
| 320 | cur_bcm->node_vec[DUAL_CTX].vec_b == 0 && |
| 321 | cur_bcm->node_vec[ACTIVE_CTX].vec_b == 0 && |
| 322 | init_time == true)) { |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 323 | if (last_tcs != -1 && |
| 324 | list_is_last(&cur_bcm->link, |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 325 | &cur_bcm_clist[i])) { |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 326 | cmdlist_active[last_tcs].data |= |
| 327 | BCM_TCS_CMD_COMMIT_MASK; |
| 328 | cmdlist_active[last_tcs].complete |
| 329 | = true; |
| 330 | } |
| 331 | continue; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 332 | } |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 333 | n_active[idx]++; |
| 334 | commit = false; |
| 335 | if (list_is_last(&cur_bcm->link, |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 336 | &cur_bcm_clist[i])) { |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 337 | commit = true; |
| 338 | idx++; |
| 339 | } |
| 340 | tcs_cmd_gen(cur_bcm, &cmdlist_active[k], |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 341 | cur_bcm->node_vec[ACTIVE_CTX].vec_a, |
| 342 | cur_bcm->node_vec[ACTIVE_CTX].vec_b, commit); |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 343 | last_tcs = k; |
David Dai | 2cff256 | 2017-05-02 17:15:49 -0700 | [diff] [blame] | 344 | k++; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 345 | cur_bcm->updated = true; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 346 | } |
| 347 | } |
| 348 | |
| 349 | if (!cmdlist_wake || !cmdlist_sleep) |
| 350 | goto exit_tcs_cmd_list_gen; |
| 351 | |
| 352 | k = 0; |
| 353 | idx = 0; |
| 354 | for (i = 0; i < VCD_MAX_CNT; i++) { |
| 355 | last_tcs = -1; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 356 | if (list_empty(&cur_bcm_clist[i])) |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 357 | continue; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 358 | list_for_each_entry(cur_bcm, &cur_bcm_clist[i], link) { |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 359 | commit = false; |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 360 | if ((cur_bcm->node_vec[DUAL_CTX].vec_a == |
| 361 | cur_bcm->node_vec[ACTIVE_CTX].vec_a) && |
| 362 | (cur_bcm->node_vec[DUAL_CTX].vec_b == |
| 363 | cur_bcm->node_vec[ACTIVE_CTX].vec_b)) { |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 364 | if (last_tcs != -1 && |
| 365 | list_is_last(&cur_bcm->link, |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 366 | &cur_bcm_clist[i])) { |
David Dai | 903f683 | 2017-04-20 18:14:26 -0700 | [diff] [blame] | 367 | cmdlist_wake[last_tcs].data |= |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 368 | BCM_TCS_CMD_COMMIT_MASK; |
David Dai | 903f683 | 2017-04-20 18:14:26 -0700 | [diff] [blame] | 369 | cmdlist_sleep[last_tcs].data |= |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 370 | BCM_TCS_CMD_COMMIT_MASK; |
David Dai | 903f683 | 2017-04-20 18:14:26 -0700 | [diff] [blame] | 371 | cmdlist_wake[last_tcs].complete = true; |
| 372 | cmdlist_sleep[last_tcs].complete = true; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 373 | idx++; |
| 374 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 375 | continue; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 376 | } |
| 377 | last_tcs = k; |
| 378 | n_sleep[idx]++; |
David Dai | 903f683 | 2017-04-20 18:14:26 -0700 | [diff] [blame] | 379 | n_wake[idx]++; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 380 | if (list_is_last(&cur_bcm->link, |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 381 | &cur_bcm_clist[i])) { |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 382 | commit = true; |
| 383 | idx++; |
| 384 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 385 | |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 386 | tcs_cmd_gen(cur_bcm, &cmdlist_wake[k], |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 387 | cur_bcm->node_vec[ACTIVE_CTX].vec_a, |
| 388 | cur_bcm->node_vec[ACTIVE_CTX].vec_b, commit); |
David Dai | f76f3e1 | 2017-06-30 11:58:09 -0700 | [diff] [blame] | 389 | |
| 390 | if (cur_rsc->rscdev->req_state == RPMH_AWAKE_STATE) |
| 391 | commit = false; |
| 392 | |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 393 | tcs_cmd_gen(cur_bcm, &cmdlist_sleep[k], |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 394 | cur_bcm->node_vec[DUAL_CTX].vec_a, |
| 395 | cur_bcm->node_vec[DUAL_CTX].vec_b, commit); |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 396 | k++; |
| 397 | } |
| 398 | } |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 399 | |
| 400 | exit_tcs_cmd_list_gen: |
| 401 | return k; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 402 | } |
| 403 | |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 404 | static int tcs_cmd_query_list_gen(struct tcs_cmd *cmdlist_active) |
| 405 | { |
| 406 | struct msm_bus_node_device_type *cur_bcm = NULL; |
| 407 | struct list_head *bcm_list_inorder = NULL; |
| 408 | int i = 0; |
| 409 | int k = 0; |
| 410 | bool commit = false; |
| 411 | int ret = 0; |
| 412 | |
| 413 | if (!cmdlist_active) |
| 414 | goto exit_tcs_cmd_list_gen; |
| 415 | |
| 416 | bcm_list_inorder = bcm_query_list_inorder; |
| 417 | |
| 418 | for (i = 0; i < VCD_MAX_CNT; i++) { |
| 419 | if (list_empty(&bcm_list_inorder[i])) |
| 420 | continue; |
| 421 | list_for_each_entry(cur_bcm, &bcm_list_inorder[i], query_link) { |
| 422 | commit = false; |
| 423 | if (list_is_last(&cur_bcm->query_link, |
| 424 | &bcm_list_inorder[i])) { |
| 425 | commit = true; |
| 426 | } |
| 427 | tcs_cmd_gen(cur_bcm, &cmdlist_active[k], |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 428 | cur_bcm->node_vec[ACTIVE_CTX].query_vec_a, |
| 429 | cur_bcm->node_vec[ACTIVE_CTX].query_vec_b, |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 430 | commit); |
| 431 | k++; |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | exit_tcs_cmd_list_gen: |
| 436 | return ret; |
| 437 | } |
| 438 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 439 | static int bcm_clist_add(struct msm_bus_node_device_type *cur_dev) |
| 440 | { |
| 441 | int ret = 0; |
| 442 | int cur_vcd = 0; |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 443 | int i = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 444 | struct msm_bus_node_device_type *cur_bcm = NULL; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 445 | |
| 446 | if (!cur_dev->node_info->num_bcm_devs) |
| 447 | goto exit_bcm_clist_add; |
| 448 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 449 | for (i = 0; i < cur_dev->node_info->num_bcm_devs; i++) { |
| 450 | cur_bcm = to_msm_bus_node(cur_dev->node_info->bcm_devs[i]); |
| 451 | cur_vcd = cur_bcm->bcmdev->clk_domain; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 452 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 453 | if (!cur_bcm->node_info->num_rsc_devs) |
| 454 | goto exit_bcm_clist_add; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 455 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 456 | if (!cur_rsc) |
| 457 | cur_rsc = to_msm_bus_node(cur_bcm->node_info-> |
| 458 | rsc_devs[0]); |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 459 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 460 | if (!cur_bcm->dirty) { |
| 461 | list_add_tail(&cur_bcm->link, |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 462 | &cur_rsc->rscdev->bcm_clist[cur_vcd]); |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 463 | cur_bcm->dirty = true; |
| 464 | } |
| 465 | cur_bcm->updated = false; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 466 | } |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 467 | |
| 468 | exit_bcm_clist_add: |
| 469 | return ret; |
| 470 | } |
| 471 | |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 472 | static int bcm_query_list_add(struct msm_bus_node_device_type *cur_dev) |
| 473 | { |
| 474 | int ret = 0; |
| 475 | int cur_vcd = 0; |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 476 | int i = 0; |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 477 | struct msm_bus_node_device_type *cur_bcm = NULL; |
| 478 | |
| 479 | if (!cur_dev->node_info->num_bcm_devs) |
| 480 | goto exit_bcm_query_list_add; |
| 481 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 482 | for (i = 0; i < cur_dev->node_info->num_bcm_devs; i++) { |
| 483 | cur_bcm = to_msm_bus_node(cur_dev->node_info->bcm_devs[i]); |
| 484 | cur_vcd = cur_bcm->bcmdev->clk_domain; |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 485 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 486 | if (!cur_bcm->query_dirty) |
| 487 | list_add_tail(&cur_bcm->query_link, |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 488 | &bcm_query_list_inorder[cur_vcd]); |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 489 | } |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 490 | |
| 491 | exit_bcm_query_list_add: |
| 492 | return ret; |
| 493 | } |
| 494 | |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 495 | static int bcm_clist_clean(struct msm_bus_node_device_type *cur_dev) |
| 496 | { |
| 497 | int ret = 0; |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 498 | int i = 0; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 499 | struct msm_bus_node_device_type *cur_bcm = NULL; |
| 500 | |
| 501 | if (!cur_dev->node_info->num_bcm_devs) |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 502 | goto exit_bcm_clist_clean; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 503 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 504 | for (i = 0; i < cur_dev->node_info->num_bcm_devs; i++) { |
| 505 | cur_bcm = to_msm_bus_node(cur_dev->node_info->bcm_devs[i]); |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 506 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 507 | if (cur_bcm->node_vec[DUAL_CTX].vec_a == 0 && |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 508 | cur_bcm->node_vec[ACTIVE_CTX].vec_a == 0 && |
| 509 | cur_bcm->node_vec[DUAL_CTX].vec_b == 0 && |
David Dai | 62c04a6 | 2017-04-12 19:05:49 -0700 | [diff] [blame] | 510 | cur_bcm->node_vec[ACTIVE_CTX].vec_b == 0 && |
| 511 | init_time == false) { |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 512 | cur_bcm->dirty = false; |
| 513 | list_del_init(&cur_bcm->link); |
| 514 | } |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 515 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 516 | |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 517 | exit_bcm_clist_clean: |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 518 | return ret; |
| 519 | } |
| 520 | |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 521 | static int bcm_query_list_clean(struct msm_bus_node_device_type *cur_dev) |
| 522 | { |
| 523 | int ret = 0; |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 524 | int i = 0; |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 525 | struct msm_bus_node_device_type *cur_bcm = NULL; |
| 526 | |
| 527 | if (!cur_dev->node_info->num_bcm_devs) |
| 528 | goto exit_bcm_clist_add; |
| 529 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 530 | for (i = 0; i < cur_dev->node_info->num_bcm_devs; i++) { |
| 531 | cur_bcm = to_msm_bus_node(cur_dev->node_info->bcm_devs[i]); |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 532 | |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 533 | cur_bcm->query_dirty = false; |
| 534 | list_del_init(&cur_bcm->query_link); |
| 535 | } |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 536 | |
| 537 | exit_bcm_clist_add: |
| 538 | return ret; |
| 539 | } |
| 540 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 541 | int msm_bus_commit_data(struct list_head *clist) |
| 542 | { |
| 543 | int ret = 0; |
| 544 | int bcm_cnt; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 545 | struct msm_bus_node_device_type *node = NULL; |
| 546 | struct msm_bus_node_device_type *node_tmp = NULL; |
| 547 | struct msm_bus_node_device_type *cur_bcm = NULL; |
| 548 | struct tcs_cmd *cmdlist_active = NULL; |
| 549 | struct tcs_cmd *cmdlist_wake = NULL; |
| 550 | struct tcs_cmd *cmdlist_sleep = NULL; |
David Dai | 1408be0 | 2017-02-02 18:44:05 -0800 | [diff] [blame] | 551 | struct rpmh_client *cur_mbox = NULL; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 552 | struct list_head *cur_bcm_clist = NULL; |
David Dai | 3734dab | 2018-01-09 11:21:11 -0800 | [diff] [blame] | 553 | int n_active[VCD_MAX_CNT]; |
| 554 | int n_wake[VCD_MAX_CNT]; |
| 555 | int n_sleep[VCD_MAX_CNT]; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 556 | int cnt_vcd = 0; |
| 557 | int cnt_active = 0; |
| 558 | int cnt_wake = 0; |
| 559 | int cnt_sleep = 0; |
| 560 | int i = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 561 | |
David Dai | b68eece | 2017-07-07 12:07:05 -0700 | [diff] [blame] | 562 | if (!clist) |
| 563 | return ret; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 564 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 565 | list_for_each_entry_safe(node, node_tmp, clist, link) { |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 566 | bcm_clist_add(node); |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 567 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 568 | |
Maria Yu | cd1a479 | 2017-09-14 23:55:15 +0800 | [diff] [blame] | 569 | if (!cur_rsc) { |
| 570 | MSM_BUS_ERR("%s: Error for cur_rsc is NULL.\n", __func__); |
| 571 | return ret; |
| 572 | } |
| 573 | |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 574 | cur_mbox = cur_rsc->rscdev->mbox; |
| 575 | cur_bcm_clist = cur_rsc->rscdev->bcm_clist; |
David Dai | 3734dab | 2018-01-09 11:21:11 -0800 | [diff] [blame] | 576 | cmdlist_active = cur_rsc->rscdev->cmdlist_active; |
| 577 | cmdlist_wake = cur_rsc->rscdev->cmdlist_wake; |
| 578 | cmdlist_sleep = cur_rsc->rscdev->cmdlist_sleep; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 579 | |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 580 | for (i = 0; i < VCD_MAX_CNT; i++) { |
David Dai | 3734dab | 2018-01-09 11:21:11 -0800 | [diff] [blame] | 581 | n_active[i] = 0; |
| 582 | n_wake[i] = 0; |
| 583 | n_sleep[i] = 0; |
| 584 | |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 585 | if (list_empty(&cur_bcm_clist[i])) |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 586 | continue; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 587 | list_for_each_entry(cur_bcm, &cur_bcm_clist[i], link) { |
David Dai | bee6623 | 2017-03-31 19:05:39 -0700 | [diff] [blame] | 588 | if ((cur_bcm->node_vec[DUAL_CTX].vec_a != |
| 589 | cur_bcm->node_vec[ACTIVE_CTX].vec_a) || |
| 590 | (cur_bcm->node_vec[DUAL_CTX].vec_b != |
| 591 | cur_bcm->node_vec[ACTIVE_CTX].vec_b)) { |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 592 | cnt_sleep++; |
| 593 | cnt_wake++; |
| 594 | } |
David Dai | 62c04a6 | 2017-04-12 19:05:49 -0700 | [diff] [blame] | 595 | if (cur_bcm->updated || |
| 596 | (cur_bcm->node_vec[DUAL_CTX].vec_a == 0 && |
| 597 | cur_bcm->node_vec[ACTIVE_CTX].vec_a == 0 && |
| 598 | cur_bcm->node_vec[DUAL_CTX].vec_b == 0 && |
| 599 | cur_bcm->node_vec[ACTIVE_CTX].vec_b == 0 && |
| 600 | init_time == true)) |
| 601 | continue; |
| 602 | cnt_active++; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 603 | } |
| 604 | cnt_vcd++; |
| 605 | } |
| 606 | |
David Dai | 6666e1e | 2017-08-10 17:30:34 -0700 | [diff] [blame] | 607 | if (!cnt_active) |
| 608 | goto exit_msm_bus_commit_data; |
| 609 | |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 610 | bcm_cnt = tcs_cmd_list_gen(n_active, n_wake, n_sleep, cmdlist_active, |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 611 | cmdlist_wake, cmdlist_sleep, cur_bcm_clist); |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 612 | |
David Dai | 1408be0 | 2017-02-02 18:44:05 -0800 | [diff] [blame] | 613 | ret = rpmh_invalidate(cur_mbox); |
David Dai | babfac6 | 2017-07-14 14:47:42 -0700 | [diff] [blame] | 614 | if (ret) |
| 615 | MSM_BUS_ERR("%s: Error invalidating mbox: %d\n", |
| 616 | __func__, ret); |
| 617 | |
David Dai | f116475 | 2017-07-31 15:18:44 -0700 | [diff] [blame] | 618 | if (cur_rsc->rscdev->req_state == RPMH_AWAKE_STATE) { |
David Dai | eadc354 | 2017-03-31 12:17:16 -0700 | [diff] [blame] | 619 | ret = rpmh_write(cur_mbox, cur_rsc->rscdev->req_state, |
| 620 | cmdlist_active, cnt_active); |
David Dai | f116475 | 2017-07-31 15:18:44 -0700 | [diff] [blame] | 621 | /* |
| 622 | * Ignore -EBUSY from rpmh_write if it's an AWAKE_STATE |
| 623 | * request since AWAKE requests are invalid when |
| 624 | * the display RSC is in solver mode and the bus driver |
| 625 | * does not know the current state of the display RSC. |
| 626 | */ |
| 627 | if (ret && ret != -EBUSY) |
| 628 | MSM_BUS_ERR("%s: error sending active/awake sets: %d\n", |
| 629 | __func__, ret); |
| 630 | } else { |
Lina Iyer | c4f7947 | 2017-08-29 15:24:18 -0600 | [diff] [blame] | 631 | ret = rpmh_write_batch(cur_mbox, cur_rsc->rscdev->req_state, |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 632 | cmdlist_active, n_active); |
David Dai | f116475 | 2017-07-31 15:18:44 -0700 | [diff] [blame] | 633 | if (ret) |
| 634 | MSM_BUS_ERR("%s: error sending active/awake sets: %d\n", |
David Dai | babfac6 | 2017-07-14 14:47:42 -0700 | [diff] [blame] | 635 | __func__, ret); |
David Dai | f116475 | 2017-07-31 15:18:44 -0700 | [diff] [blame] | 636 | } |
David Dai | 6666e1e | 2017-08-10 17:30:34 -0700 | [diff] [blame] | 637 | if (cnt_wake) { |
Lina Iyer | c4f7947 | 2017-08-29 15:24:18 -0600 | [diff] [blame] | 638 | ret = rpmh_write_batch(cur_mbox, RPMH_WAKE_ONLY_STATE, |
David Dai | 6666e1e | 2017-08-10 17:30:34 -0700 | [diff] [blame] | 639 | cmdlist_wake, n_wake); |
| 640 | if (ret) |
| 641 | MSM_BUS_ERR("%s: error sending wake sets: %d\n", |
| 642 | __func__, ret); |
| 643 | } |
| 644 | if (cnt_sleep) { |
Lina Iyer | c4f7947 | 2017-08-29 15:24:18 -0600 | [diff] [blame] | 645 | ret = rpmh_write_batch(cur_mbox, RPMH_SLEEP_STATE, |
David Dai | 6666e1e | 2017-08-10 17:30:34 -0700 | [diff] [blame] | 646 | cmdlist_sleep, n_sleep); |
| 647 | if (ret) |
| 648 | MSM_BUS_ERR("%s: error sending sleep sets: %d\n", |
| 649 | __func__, ret); |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 650 | } |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 651 | |
David Dai | 27ffa28 | 2017-08-04 12:25:17 -0700 | [diff] [blame] | 652 | list_for_each_entry_safe(node, node_tmp, clist, link) { |
| 653 | if (unlikely(node->node_info->defer_qos)) |
| 654 | msm_bus_dev_init_qos(&node->dev, NULL); |
| 655 | } |
| 656 | |
David Dai | 6666e1e | 2017-08-10 17:30:34 -0700 | [diff] [blame] | 657 | exit_msm_bus_commit_data: |
| 658 | list_for_each_entry_safe(node, node_tmp, clist, link) { |
| 659 | bcm_clist_clean(node); |
| 660 | node->dirty = false; |
| 661 | list_del_init(&node->link); |
| 662 | } |
| 663 | cur_rsc = NULL; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 664 | return ret; |
| 665 | } |
| 666 | |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 667 | int msm_bus_query_gen(struct list_head *query_list, |
| 668 | struct msm_bus_tcs_usecase *tcs_usecase) |
| 669 | { |
| 670 | int ret = 0; |
| 671 | struct msm_bus_node_device_type *node = NULL; |
| 672 | struct msm_bus_node_device_type *node_tmp = NULL; |
| 673 | struct msm_bus_node_device_type *cur_bcm = NULL; |
| 674 | int *n_active = NULL; |
| 675 | int cnt_vcd = 0; |
| 676 | int cnt_active = 0; |
| 677 | int i = 0; |
| 678 | |
| 679 | list_for_each_entry_safe(node, node_tmp, query_list, query_link) |
| 680 | bcm_query_list_add(node); |
| 681 | |
| 682 | for (i = 0; i < VCD_MAX_CNT; i++) { |
| 683 | if (list_empty(&bcm_query_list_inorder[i])) |
| 684 | continue; |
| 685 | list_for_each_entry(cur_bcm, &bcm_query_list_inorder[i], |
| 686 | query_link) { |
| 687 | cnt_active++; |
| 688 | } |
| 689 | cnt_vcd++; |
| 690 | } |
| 691 | |
| 692 | tcs_usecase->num_cmds = cnt_active; |
| 693 | ret = tcs_cmd_query_list_gen(tcs_usecase->cmds); |
| 694 | |
| 695 | list_for_each_entry_safe(node, node_tmp, query_list, query_link) { |
| 696 | bcm_query_list_clean(node); |
| 697 | node->query_dirty = false; |
| 698 | list_del_init(&node->query_link); |
| 699 | } |
| 700 | |
| 701 | kfree(n_active); |
| 702 | return ret; |
| 703 | } |
| 704 | |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 705 | static void bcm_commit_single_req(struct msm_bus_node_device_type *cur_bcm, |
| 706 | uint64_t vec_a, uint64_t vec_b) |
| 707 | { |
| 708 | struct msm_bus_node_device_type *cur_rsc = NULL; |
| 709 | struct rpmh_client *cur_mbox = NULL; |
| 710 | struct tcs_cmd *cmd_active = NULL; |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 711 | |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 712 | if (!cur_bcm->node_info->num_rsc_devs) |
| 713 | return; |
| 714 | |
| 715 | cmd_active = kzalloc(sizeof(struct tcs_cmd), GFP_KERNEL); |
| 716 | |
| 717 | if (!cmd_active) |
| 718 | return; |
| 719 | |
| 720 | cur_rsc = to_msm_bus_node(cur_bcm->node_info->rsc_devs[0]); |
| 721 | cur_mbox = cur_rsc->rscdev->mbox; |
| 722 | |
| 723 | tcs_cmd_gen(cur_bcm, cmd_active, vec_a, vec_b, true); |
| 724 | rpmh_write_single(cur_mbox, RPMH_ACTIVE_ONLY_STATE, |
| 725 | cmd_active->addr, cmd_active->data); |
| 726 | |
| 727 | kfree(cmd_active); |
| 728 | } |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 729 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 730 | void *msm_bus_realloc_devmem(struct device *dev, void *p, size_t old_size, |
| 731 | size_t new_size, gfp_t flags) |
| 732 | { |
| 733 | void *ret; |
| 734 | size_t copy_size = old_size; |
| 735 | |
| 736 | if (!new_size) { |
| 737 | devm_kfree(dev, p); |
| 738 | return ZERO_SIZE_PTR; |
| 739 | } |
| 740 | |
| 741 | if (new_size < old_size) |
| 742 | copy_size = new_size; |
| 743 | |
| 744 | ret = devm_kzalloc(dev, new_size, flags); |
| 745 | if (!ret) { |
| 746 | MSM_BUS_ERR("%s: Error Reallocating memory", __func__); |
| 747 | goto exit_realloc_devmem; |
| 748 | } |
| 749 | |
| 750 | memcpy(ret, p, copy_size); |
| 751 | devm_kfree(dev, p); |
| 752 | exit_realloc_devmem: |
| 753 | return ret; |
| 754 | } |
| 755 | |
| 756 | static void msm_bus_fab_init_noc_ops(struct msm_bus_node_device_type *bus_dev) |
| 757 | { |
| 758 | switch (bus_dev->fabdev->bus_type) { |
| 759 | case MSM_BUS_NOC: |
| 760 | msm_bus_noc_set_ops(bus_dev); |
| 761 | break; |
| 762 | case MSM_BUS_BIMC: |
| 763 | msm_bus_bimc_set_ops(bus_dev); |
| 764 | break; |
| 765 | default: |
| 766 | MSM_BUS_ERR("%s: Invalid Bus type", __func__); |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | static int msm_bus_disable_node_qos_clk(struct msm_bus_node_device_type *node) |
| 771 | { |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 772 | int i; |
| 773 | int ret = 0; |
| 774 | |
David Dai | 800de05 | 2017-07-15 13:19:30 -0700 | [diff] [blame] | 775 | if (!node) { |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 776 | ret = -ENXIO; |
| 777 | goto exit_disable_node_qos_clk; |
| 778 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 779 | |
David Dai | 800de05 | 2017-07-15 13:19:30 -0700 | [diff] [blame] | 780 | for (i = 0; i < node->num_node_qos_clks; i++) |
| 781 | ret = disable_nodeclk(&node->node_qos_clks[i]); |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 782 | |
| 783 | exit_disable_node_qos_clk: |
| 784 | return ret; |
| 785 | } |
| 786 | |
| 787 | static int msm_bus_enable_node_qos_clk(struct msm_bus_node_device_type *node) |
| 788 | { |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 789 | int i; |
David Dai | babfac6 | 2017-07-14 14:47:42 -0700 | [diff] [blame] | 790 | int ret = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 791 | long rounded_rate; |
| 792 | |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 793 | for (i = 0; i < node->num_node_qos_clks; i++) { |
| 794 | if (!node->node_qos_clks[i].enable_only_clk) { |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 795 | rounded_rate = |
| 796 | clk_round_rate( |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 797 | node->node_qos_clks[i].clk, 1); |
| 798 | ret = setrate_nodeclk(&node->node_qos_clks[i], |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 799 | rounded_rate); |
| 800 | if (ret) |
| 801 | MSM_BUS_DBG("%s: Failed set rate clk,node %d\n", |
| 802 | __func__, node->node_info->id); |
| 803 | } |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 804 | ret = enable_nodeclk(&node->node_qos_clks[i], |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 805 | node->node_info->bus_device); |
| 806 | if (ret) { |
| 807 | MSM_BUS_DBG("%s: Failed to set Qos Clks ret %d\n", |
| 808 | __func__, ret); |
| 809 | msm_bus_disable_node_qos_clk(node); |
| 810 | goto exit_enable_node_qos_clk; |
| 811 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 812 | } |
| 813 | exit_enable_node_qos_clk: |
| 814 | return ret; |
| 815 | } |
| 816 | |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 817 | static int msm_bus_vote_qos_bcms(struct msm_bus_node_device_type *node) |
| 818 | { |
| 819 | struct msm_bus_node_device_type *cur_dev = NULL; |
| 820 | struct msm_bus_node_device_type *cur_bcm = NULL; |
| 821 | int i; |
| 822 | struct device *dev = NULL; |
| 823 | |
| 824 | if (!node || (!to_msm_bus_node(node->node_info->bus_device))) |
| 825 | return -ENXIO; |
| 826 | |
| 827 | cur_dev = node; |
| 828 | |
| 829 | for (i = 0; i < cur_dev->num_qos_bcms; i++) { |
| 830 | dev = bus_find_device(&msm_bus_type, NULL, |
| 831 | (void *) &cur_dev->qos_bcms[i].qos_bcm_id, |
| 832 | msm_bus_device_match_adhoc); |
| 833 | |
| 834 | if (!dev) { |
| 835 | MSM_BUS_ERR("Can't find dev node for %d", |
| 836 | cur_dev->qos_bcms[i].qos_bcm_id); |
| 837 | return -ENODEV; |
| 838 | } |
| 839 | |
| 840 | cur_bcm = to_msm_bus_node(dev); |
| 841 | if (cur_bcm->node_vec[ACTIVE_CTX].vec_a != 0 || |
| 842 | cur_bcm->node_vec[ACTIVE_CTX].vec_b != 0 || |
| 843 | cur_bcm->node_vec[DUAL_CTX].vec_a != 0 || |
| 844 | cur_bcm->node_vec[DUAL_CTX].vec_b != 0) |
| 845 | return 0; |
| 846 | |
| 847 | bcm_commit_single_req(cur_bcm, |
| 848 | cur_dev->qos_bcms[i].vec.vec_a, |
| 849 | cur_dev->qos_bcms[i].vec.vec_b); |
| 850 | } |
| 851 | |
| 852 | return 0; |
| 853 | } |
| 854 | |
| 855 | static int msm_bus_rm_vote_qos_bcms(struct msm_bus_node_device_type *node) |
| 856 | { |
| 857 | struct msm_bus_node_device_type *cur_dev = NULL; |
| 858 | struct msm_bus_node_device_type *cur_bcm = NULL; |
| 859 | int i; |
| 860 | struct device *dev = NULL; |
| 861 | |
| 862 | if (!node || (!to_msm_bus_node(node->node_info->bus_device))) |
| 863 | return -ENXIO; |
| 864 | |
| 865 | cur_dev = node; |
| 866 | |
| 867 | for (i = 0; i < cur_dev->num_qos_bcms; i++) { |
| 868 | dev = bus_find_device(&msm_bus_type, NULL, |
| 869 | (void *) &cur_dev->qos_bcms[i].qos_bcm_id, |
| 870 | msm_bus_device_match_adhoc); |
| 871 | |
| 872 | if (!dev) { |
| 873 | MSM_BUS_ERR("Can't find dev node for %d", |
| 874 | cur_dev->qos_bcms[i].qos_bcm_id); |
| 875 | return -ENODEV; |
| 876 | } |
| 877 | |
| 878 | cur_bcm = to_msm_bus_node(dev); |
| 879 | if (cur_bcm->node_vec[ACTIVE_CTX].vec_a != 0 || |
| 880 | cur_bcm->node_vec[ACTIVE_CTX].vec_b != 0 || |
| 881 | cur_bcm->node_vec[DUAL_CTX].vec_a != 0 || |
| 882 | cur_bcm->node_vec[DUAL_CTX].vec_b != 0) |
| 883 | return 0; |
| 884 | |
| 885 | bcm_commit_single_req(cur_bcm, 0, 0); |
| 886 | } |
| 887 | |
| 888 | return 0; |
| 889 | } |
| 890 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 891 | int msm_bus_enable_limiter(struct msm_bus_node_device_type *node_dev, |
| 892 | int enable, uint64_t lim_bw) |
| 893 | { |
| 894 | int ret = 0; |
| 895 | struct msm_bus_node_device_type *bus_node_dev; |
| 896 | |
| 897 | if (!node_dev) { |
| 898 | MSM_BUS_ERR("No device specified"); |
| 899 | ret = -ENXIO; |
| 900 | goto exit_enable_limiter; |
| 901 | } |
| 902 | |
| 903 | if (!node_dev->ap_owned) { |
| 904 | MSM_BUS_ERR("Device is not AP owned %d", |
| 905 | node_dev->node_info->id); |
| 906 | ret = -ENXIO; |
| 907 | goto exit_enable_limiter; |
| 908 | } |
| 909 | |
| 910 | bus_node_dev = to_msm_bus_node(node_dev->node_info->bus_device); |
| 911 | if (!bus_node_dev) { |
| 912 | MSM_BUS_ERR("Unable to get bus device infofor %d", |
| 913 | node_dev->node_info->id); |
| 914 | ret = -ENXIO; |
| 915 | goto exit_enable_limiter; |
| 916 | } |
| 917 | if (bus_node_dev->fabdev && |
| 918 | bus_node_dev->fabdev->noc_ops.limit_mport) { |
| 919 | if (ret < 0) { |
| 920 | MSM_BUS_ERR("Can't Enable QoS clk %d", |
| 921 | node_dev->node_info->id); |
| 922 | goto exit_enable_limiter; |
| 923 | } |
| 924 | bus_node_dev->fabdev->noc_ops.limit_mport( |
| 925 | node_dev, |
| 926 | bus_node_dev->fabdev->qos_base, |
| 927 | bus_node_dev->fabdev->base_offset, |
| 928 | bus_node_dev->fabdev->qos_off, |
| 929 | bus_node_dev->fabdev->qos_freq, |
| 930 | enable, lim_bw); |
| 931 | } |
| 932 | |
| 933 | exit_enable_limiter: |
| 934 | return ret; |
| 935 | } |
| 936 | |
| 937 | static int msm_bus_dev_init_qos(struct device *dev, void *data) |
| 938 | { |
| 939 | int ret = 0; |
| 940 | struct msm_bus_node_device_type *node_dev = NULL; |
| 941 | |
| 942 | node_dev = to_msm_bus_node(dev); |
| 943 | if (!node_dev) { |
| 944 | MSM_BUS_ERR("%s: Unable to get node device info", __func__); |
| 945 | ret = -ENXIO; |
| 946 | goto exit_init_qos; |
| 947 | } |
| 948 | |
| 949 | MSM_BUS_DBG("Device = %d", node_dev->node_info->id); |
| 950 | |
David Dai | 27ffa28 | 2017-08-04 12:25:17 -0700 | [diff] [blame] | 951 | if (node_dev->node_info->qos_params.defer_init_qos) { |
| 952 | node_dev->node_info->qos_params.defer_init_qos = false; |
| 953 | node_dev->node_info->defer_qos = true; |
| 954 | goto exit_init_qos; |
| 955 | } |
| 956 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 957 | if (node_dev->ap_owned) { |
| 958 | struct msm_bus_node_device_type *bus_node_info; |
| 959 | |
| 960 | bus_node_info = |
| 961 | to_msm_bus_node(node_dev->node_info->bus_device); |
| 962 | |
| 963 | if (!bus_node_info) { |
| 964 | MSM_BUS_ERR("%s: Unable to get bus device info for %d", |
| 965 | __func__, |
| 966 | node_dev->node_info->id); |
| 967 | ret = -ENXIO; |
| 968 | goto exit_init_qos; |
| 969 | } |
| 970 | |
| 971 | if (bus_node_info->fabdev && |
| 972 | bus_node_info->fabdev->noc_ops.qos_init) { |
| 973 | int ret = 0; |
| 974 | |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 975 | if (node_dev->ap_owned) { |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 976 | if (bus_node_info->fabdev->bypass_qos_prg) |
| 977 | goto exit_init_qos; |
| 978 | |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 979 | ret = msm_bus_vote_qos_bcms(node_dev); |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 980 | ret = msm_bus_enable_node_qos_clk(node_dev); |
| 981 | if (ret < 0) { |
| 982 | MSM_BUS_DBG("Can't Enable QoS clk %d\n", |
| 983 | node_dev->node_info->id); |
| 984 | node_dev->node_info->defer_qos = true; |
| 985 | goto exit_init_qos; |
| 986 | } |
| 987 | |
| 988 | bus_node_info->fabdev->noc_ops.qos_init( |
| 989 | node_dev, |
David Dai | af2e379 | 2017-09-07 13:26:04 -0700 | [diff] [blame] | 990 | bus_node_info, |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 991 | bus_node_info->fabdev->qos_base, |
| 992 | bus_node_info->fabdev->base_offset, |
| 993 | bus_node_info->fabdev->qos_off, |
| 994 | bus_node_info->fabdev->qos_freq); |
| 995 | ret = msm_bus_disable_node_qos_clk(node_dev); |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 996 | ret = msm_bus_rm_vote_qos_bcms(node_dev); |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 997 | node_dev->node_info->defer_qos = false; |
| 998 | } |
| 999 | } else |
| 1000 | MSM_BUS_ERR("%s: Skipping QOS init for %d", |
| 1001 | __func__, node_dev->node_info->id); |
| 1002 | } |
| 1003 | exit_init_qos: |
| 1004 | return ret; |
| 1005 | } |
| 1006 | |
| 1007 | static int msm_bus_fabric_init(struct device *dev, |
| 1008 | struct msm_bus_node_device_type *pdata) |
| 1009 | { |
| 1010 | struct msm_bus_fab_device_type *fabdev; |
| 1011 | struct msm_bus_node_device_type *node_dev = NULL; |
| 1012 | int ret = 0; |
| 1013 | |
| 1014 | node_dev = to_msm_bus_node(dev); |
| 1015 | if (!node_dev) { |
| 1016 | MSM_BUS_ERR("%s: Unable to get bus device info", __func__); |
| 1017 | ret = -ENXIO; |
| 1018 | goto exit_fabric_init; |
| 1019 | } |
| 1020 | |
| 1021 | if (node_dev->node_info->virt_dev) { |
| 1022 | MSM_BUS_ERR("%s: Skip Fab init for virtual device %d", __func__, |
| 1023 | node_dev->node_info->id); |
| 1024 | goto exit_fabric_init; |
| 1025 | } |
| 1026 | |
| 1027 | fabdev = devm_kzalloc(dev, sizeof(struct msm_bus_fab_device_type), |
| 1028 | GFP_KERNEL); |
| 1029 | if (!fabdev) { |
| 1030 | MSM_BUS_ERR("Fabric alloc failed\n"); |
| 1031 | ret = -ENOMEM; |
| 1032 | goto exit_fabric_init; |
| 1033 | } |
| 1034 | |
| 1035 | node_dev->fabdev = fabdev; |
| 1036 | fabdev->pqos_base = pdata->fabdev->pqos_base; |
| 1037 | fabdev->qos_range = pdata->fabdev->qos_range; |
| 1038 | fabdev->base_offset = pdata->fabdev->base_offset; |
| 1039 | fabdev->qos_off = pdata->fabdev->qos_off; |
| 1040 | fabdev->qos_freq = pdata->fabdev->qos_freq; |
| 1041 | fabdev->bus_type = pdata->fabdev->bus_type; |
| 1042 | fabdev->bypass_qos_prg = pdata->fabdev->bypass_qos_prg; |
| 1043 | msm_bus_fab_init_noc_ops(node_dev); |
| 1044 | |
| 1045 | fabdev->qos_base = devm_ioremap(dev, |
| 1046 | fabdev->pqos_base, fabdev->qos_range); |
| 1047 | if (!fabdev->qos_base) { |
| 1048 | MSM_BUS_ERR("%s: Error remapping address 0x%zx :bus device %d", |
| 1049 | __func__, |
| 1050 | (size_t)fabdev->pqos_base, node_dev->node_info->id); |
| 1051 | ret = -ENOMEM; |
| 1052 | goto exit_fabric_init; |
| 1053 | } |
| 1054 | |
| 1055 | exit_fabric_init: |
| 1056 | return ret; |
| 1057 | } |
| 1058 | |
| 1059 | static int msm_bus_bcm_init(struct device *dev, |
| 1060 | struct msm_bus_node_device_type *pdata) |
| 1061 | { |
| 1062 | struct msm_bus_bcm_device_type *bcmdev; |
| 1063 | struct msm_bus_node_device_type *node_dev = NULL; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 1064 | struct bcm_db aux_data = {0}; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1065 | int ret = 0; |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 1066 | int i = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1067 | |
| 1068 | node_dev = to_msm_bus_node(dev); |
| 1069 | if (!node_dev) { |
| 1070 | ret = -ENXIO; |
| 1071 | goto exit_bcm_init; |
| 1072 | } |
| 1073 | |
| 1074 | bcmdev = devm_kzalloc(dev, sizeof(struct msm_bus_bcm_device_type), |
| 1075 | GFP_KERNEL); |
| 1076 | if (!bcmdev) { |
| 1077 | ret = -ENOMEM; |
| 1078 | goto exit_bcm_init; |
| 1079 | } |
| 1080 | |
| 1081 | node_dev->bcmdev = bcmdev; |
David Dai | 1408be0 | 2017-02-02 18:44:05 -0800 | [diff] [blame] | 1082 | bcmdev->name = pdata->bcmdev->name; |
| 1083 | |
| 1084 | if (!cmd_db_get_aux_data_len(bcmdev->name)) { |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 1085 | MSM_BUS_ERR("%s: Error getting bcm info, bcm:%s", |
David Dai | 1408be0 | 2017-02-02 18:44:05 -0800 | [diff] [blame] | 1086 | __func__, bcmdev->name); |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 1087 | ret = -ENXIO; |
| 1088 | goto exit_bcm_init; |
| 1089 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1090 | |
David Dai | 1408be0 | 2017-02-02 18:44:05 -0800 | [diff] [blame] | 1091 | cmd_db_get_aux_data(bcmdev->name, (u8 *)&aux_data, |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 1092 | sizeof(struct bcm_db)); |
| 1093 | |
David Dai | 1408be0 | 2017-02-02 18:44:05 -0800 | [diff] [blame] | 1094 | bcmdev->addr = cmd_db_get_addr(bcmdev->name); |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 1095 | bcmdev->width = (uint32_t)aux_data.width; |
| 1096 | bcmdev->clk_domain = aux_data.clk_domain; |
| 1097 | bcmdev->unit_size = aux_data.unit_size; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1098 | bcmdev->type = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1099 | bcmdev->num_bus_devs = 0; |
| 1100 | |
| 1101 | // Add way to count # of VCDs, initialize LL |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 1102 | for (i = 0; i < VCD_MAX_CNT; i++) { |
David Dai | 9d66f3f | 2016-11-23 15:33:06 -0800 | [diff] [blame] | 1103 | INIT_LIST_HEAD(&bcm_query_list_inorder[i]); |
| 1104 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1105 | |
| 1106 | exit_bcm_init: |
| 1107 | return ret; |
| 1108 | } |
| 1109 | |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1110 | static int msm_bus_rsc_init(struct platform_device *pdev, |
| 1111 | struct device *dev, |
| 1112 | struct msm_bus_node_device_type *pdata) |
| 1113 | { |
| 1114 | struct msm_bus_rsc_device_type *rscdev; |
| 1115 | struct msm_bus_node_device_type *node_dev = NULL; |
| 1116 | int ret = 0; |
| 1117 | int i = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1118 | |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1119 | node_dev = to_msm_bus_node(dev); |
| 1120 | if (!node_dev) { |
| 1121 | ret = -ENXIO; |
| 1122 | goto exit_rsc_init; |
| 1123 | } |
| 1124 | |
| 1125 | rscdev = devm_kzalloc(dev, sizeof(struct msm_bus_rsc_device_type), |
| 1126 | GFP_KERNEL); |
| 1127 | if (!rscdev) { |
| 1128 | ret = -ENOMEM; |
| 1129 | goto exit_rsc_init; |
| 1130 | } |
| 1131 | |
| 1132 | node_dev->rscdev = rscdev; |
| 1133 | rscdev->req_state = pdata->rscdev->req_state; |
| 1134 | rscdev->mbox = rpmh_get_byname(pdev, node_dev->node_info->name); |
| 1135 | |
| 1136 | if (IS_ERR_OR_NULL(rscdev->mbox)) { |
| 1137 | MSM_BUS_ERR("%s: Failed to get mbox:%s", __func__, |
| 1138 | node_dev->node_info->name); |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1139 | } |
| 1140 | |
| 1141 | // Add way to count # of VCDs, initialize LL |
| 1142 | for (i = 0; i < VCD_MAX_CNT; i++) |
| 1143 | INIT_LIST_HEAD(&rscdev->bcm_clist[i]); |
| 1144 | |
| 1145 | exit_rsc_init: |
| 1146 | return ret; |
| 1147 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1148 | |
David Dai | 3734dab | 2018-01-09 11:21:11 -0800 | [diff] [blame] | 1149 | static int msm_bus_postcon_setup(struct device *bus_dev, void *data) |
| 1150 | { |
| 1151 | struct msm_bus_node_device_type *bus_node = NULL; |
| 1152 | struct msm_bus_rsc_device_type *rscdev; |
| 1153 | |
| 1154 | bus_node = to_msm_bus_node(bus_dev); |
| 1155 | if (!bus_node) { |
| 1156 | MSM_BUS_ERR("%s: Can't get device info", __func__); |
| 1157 | return -ENODEV; |
| 1158 | } |
| 1159 | |
| 1160 | if (bus_node->node_info->is_rsc_dev) { |
| 1161 | rscdev = bus_node->rscdev; |
| 1162 | rscdev->cmdlist_active = devm_kcalloc(bus_dev, |
| 1163 | rscdev->num_bcm_devs, |
| 1164 | sizeof(struct tcs_cmd), GFP_KERNEL); |
| 1165 | if (!rscdev->cmdlist_active) |
| 1166 | return -ENOMEM; |
| 1167 | |
| 1168 | rscdev->cmdlist_wake = devm_kcalloc(bus_dev, |
| 1169 | rscdev->num_bcm_devs, |
| 1170 | sizeof(struct tcs_cmd), GFP_KERNEL); |
| 1171 | if (!rscdev->cmdlist_wake) |
| 1172 | return -ENOMEM; |
| 1173 | |
| 1174 | rscdev->cmdlist_sleep = devm_kcalloc(bus_dev, |
| 1175 | rscdev->num_bcm_devs, |
| 1176 | sizeof(struct tcs_cmd), GFP_KERNEL); |
| 1177 | if (!rscdev->cmdlist_sleep) |
| 1178 | return -ENOMEM; |
| 1179 | } |
| 1180 | |
| 1181 | return 0; |
| 1182 | } |
| 1183 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1184 | static int msm_bus_init_clk(struct device *bus_dev, |
| 1185 | struct msm_bus_node_device_type *pdata) |
| 1186 | { |
| 1187 | unsigned int ctx; |
| 1188 | struct msm_bus_node_device_type *node_dev = to_msm_bus_node(bus_dev); |
| 1189 | int i; |
| 1190 | |
| 1191 | for (ctx = 0; ctx < NUM_CTX; ctx++) { |
| 1192 | if (!IS_ERR_OR_NULL(pdata->clk[ctx].clk)) { |
| 1193 | node_dev->clk[ctx].clk = pdata->clk[ctx].clk; |
| 1194 | node_dev->clk[ctx].enable_only_clk = |
| 1195 | pdata->clk[ctx].enable_only_clk; |
| 1196 | node_dev->clk[ctx].setrate_only_clk = |
| 1197 | pdata->clk[ctx].setrate_only_clk; |
| 1198 | node_dev->clk[ctx].enable = false; |
| 1199 | node_dev->clk[ctx].dirty = false; |
| 1200 | strlcpy(node_dev->clk[ctx].reg_name, |
| 1201 | pdata->clk[ctx].reg_name, MAX_REG_NAME); |
| 1202 | node_dev->clk[ctx].reg = NULL; |
| 1203 | bus_get_reg(&node_dev->clk[ctx], bus_dev); |
| 1204 | MSM_BUS_DBG("%s: Valid node clk node %d ctx %d\n", |
| 1205 | __func__, node_dev->node_info->id, ctx); |
| 1206 | } |
| 1207 | } |
| 1208 | |
| 1209 | if (!IS_ERR_OR_NULL(pdata->bus_qos_clk.clk)) { |
| 1210 | node_dev->bus_qos_clk.clk = pdata->bus_qos_clk.clk; |
| 1211 | node_dev->bus_qos_clk.enable_only_clk = |
| 1212 | pdata->bus_qos_clk.enable_only_clk; |
| 1213 | node_dev->bus_qos_clk.setrate_only_clk = |
| 1214 | pdata->bus_qos_clk.setrate_only_clk; |
| 1215 | node_dev->bus_qos_clk.enable = false; |
| 1216 | strlcpy(node_dev->bus_qos_clk.reg_name, |
| 1217 | pdata->bus_qos_clk.reg_name, MAX_REG_NAME); |
| 1218 | node_dev->bus_qos_clk.reg = NULL; |
| 1219 | MSM_BUS_DBG("%s: Valid bus qos clk node %d\n", __func__, |
| 1220 | node_dev->node_info->id); |
| 1221 | } |
| 1222 | |
| 1223 | if (pdata->num_node_qos_clks) { |
| 1224 | node_dev->num_node_qos_clks = pdata->num_node_qos_clks; |
| 1225 | node_dev->node_qos_clks = devm_kzalloc(bus_dev, |
| 1226 | (node_dev->num_node_qos_clks * sizeof(struct nodeclk)), |
| 1227 | GFP_KERNEL); |
| 1228 | if (!node_dev->node_qos_clks) { |
| 1229 | dev_err(bus_dev, "Failed to alloc memory for qos clk"); |
| 1230 | return -ENOMEM; |
| 1231 | } |
| 1232 | |
| 1233 | for (i = 0; i < pdata->num_node_qos_clks; i++) { |
| 1234 | node_dev->node_qos_clks[i].clk = |
| 1235 | pdata->node_qos_clks[i].clk; |
| 1236 | node_dev->node_qos_clks[i].enable_only_clk = |
| 1237 | pdata->node_qos_clks[i].enable_only_clk; |
| 1238 | node_dev->node_qos_clks[i].setrate_only_clk = |
| 1239 | pdata->node_qos_clks[i].setrate_only_clk; |
| 1240 | node_dev->node_qos_clks[i].enable = false; |
| 1241 | strlcpy(node_dev->node_qos_clks[i].reg_name, |
| 1242 | pdata->node_qos_clks[i].reg_name, MAX_REG_NAME); |
| 1243 | node_dev->node_qos_clks[i].reg = NULL; |
| 1244 | MSM_BUS_DBG("%s: Valid qos clk[%d] node %d %d Reg%s\n", |
| 1245 | __func__, i, |
| 1246 | node_dev->node_info->id, |
| 1247 | node_dev->num_node_qos_clks, |
| 1248 | node_dev->node_qos_clks[i].reg_name); |
| 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | return 0; |
| 1253 | } |
| 1254 | |
| 1255 | static int msm_bus_copy_node_info(struct msm_bus_node_device_type *pdata, |
| 1256 | struct device *bus_dev) |
| 1257 | { |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 1258 | int ret = 0, i = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1259 | struct msm_bus_node_info_type *node_info = NULL; |
| 1260 | struct msm_bus_node_info_type *pdata_node_info = NULL; |
| 1261 | struct msm_bus_node_device_type *bus_node = NULL; |
| 1262 | |
| 1263 | bus_node = to_msm_bus_node(bus_dev); |
| 1264 | |
| 1265 | if (!bus_node || !pdata) { |
| 1266 | ret = -ENXIO; |
| 1267 | MSM_BUS_ERR("%s: Invalid pointers pdata %p, bus_node %p", |
| 1268 | __func__, pdata, bus_node); |
| 1269 | goto exit_copy_node_info; |
| 1270 | } |
| 1271 | |
| 1272 | node_info = bus_node->node_info; |
| 1273 | pdata_node_info = pdata->node_info; |
| 1274 | |
| 1275 | node_info->name = pdata_node_info->name; |
| 1276 | node_info->id = pdata_node_info->id; |
David Dai | a55b46e | 2017-05-08 10:31:31 -0700 | [diff] [blame] | 1277 | node_info->bcm_req_idx = devm_kzalloc(bus_dev, |
| 1278 | sizeof(int) * pdata_node_info->num_bcm_devs, |
| 1279 | GFP_KERNEL); |
| 1280 | if (!node_info->bcm_req_idx) { |
| 1281 | ret = -ENOMEM; |
| 1282 | goto exit_copy_node_info; |
| 1283 | } |
| 1284 | |
| 1285 | for (i = 0; i < pdata_node_info->num_bcm_devs; i++) |
| 1286 | node_info->bcm_req_idx[i] = -1; |
| 1287 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1288 | node_info->bus_device_id = pdata_node_info->bus_device_id; |
| 1289 | node_info->mas_rpm_id = pdata_node_info->mas_rpm_id; |
| 1290 | node_info->slv_rpm_id = pdata_node_info->slv_rpm_id; |
| 1291 | node_info->num_connections = pdata_node_info->num_connections; |
| 1292 | node_info->num_blist = pdata_node_info->num_blist; |
| 1293 | node_info->num_bcm_devs = pdata_node_info->num_bcm_devs; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1294 | node_info->num_rsc_devs = pdata_node_info->num_rsc_devs; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1295 | node_info->num_qports = pdata_node_info->num_qports; |
| 1296 | node_info->virt_dev = pdata_node_info->virt_dev; |
| 1297 | node_info->is_fab_dev = pdata_node_info->is_fab_dev; |
| 1298 | node_info->is_bcm_dev = pdata_node_info->is_bcm_dev; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1299 | node_info->is_rsc_dev = pdata_node_info->is_rsc_dev; |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 1300 | node_info->qos_params.prio_dflt = pdata_node_info->qos_params.prio_dflt; |
| 1301 | node_info->qos_params.limiter.bw = |
| 1302 | pdata_node_info->qos_params.limiter.bw; |
| 1303 | node_info->qos_params.limiter.sat = |
| 1304 | pdata_node_info->qos_params.limiter.sat; |
| 1305 | node_info->qos_params.limiter_en = |
| 1306 | pdata_node_info->qos_params.limiter_en; |
| 1307 | node_info->qos_params.reg.low_prio = |
| 1308 | pdata_node_info->qos_params.reg.low_prio; |
| 1309 | node_info->qos_params.reg.hi_prio = |
| 1310 | pdata_node_info->qos_params.reg.hi_prio; |
| 1311 | node_info->qos_params.reg.bw = |
| 1312 | pdata_node_info->qos_params.reg.bw; |
| 1313 | node_info->qos_params.reg.sat = |
| 1314 | pdata_node_info->qos_params.reg.sat; |
| 1315 | node_info->qos_params.reg_mode.read = |
| 1316 | pdata_node_info->qos_params.reg_mode.read; |
| 1317 | node_info->qos_params.reg_mode.write = |
| 1318 | pdata_node_info->qos_params.reg_mode.write; |
| 1319 | node_info->qos_params.urg_fwd_en = |
| 1320 | pdata_node_info->qos_params.urg_fwd_en; |
David Dai | 27ffa28 | 2017-08-04 12:25:17 -0700 | [diff] [blame] | 1321 | node_info->qos_params.defer_init_qos = |
| 1322 | pdata_node_info->qos_params.defer_init_qos; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1323 | node_info->agg_params.buswidth = pdata_node_info->agg_params.buswidth; |
| 1324 | node_info->agg_params.agg_scheme = |
| 1325 | pdata_node_info->agg_params.agg_scheme; |
| 1326 | node_info->agg_params.vrail_comp = |
| 1327 | pdata_node_info->agg_params.vrail_comp; |
| 1328 | node_info->agg_params.num_aggports = |
| 1329 | pdata_node_info->agg_params.num_aggports; |
| 1330 | node_info->agg_params.num_util_levels = |
| 1331 | pdata_node_info->agg_params.num_util_levels; |
| 1332 | node_info->agg_params.util_levels = devm_kzalloc(bus_dev, |
| 1333 | sizeof(struct node_util_levels_type) * |
| 1334 | node_info->agg_params.num_util_levels, |
| 1335 | GFP_KERNEL); |
| 1336 | if (!node_info->agg_params.util_levels) { |
| 1337 | MSM_BUS_ERR("%s: Agg util level alloc failed\n", __func__); |
| 1338 | ret = -ENOMEM; |
| 1339 | goto exit_copy_node_info; |
| 1340 | } |
| 1341 | memcpy(node_info->agg_params.util_levels, |
| 1342 | pdata_node_info->agg_params.util_levels, |
| 1343 | sizeof(struct node_util_levels_type) * |
| 1344 | pdata_node_info->agg_params.num_util_levels); |
| 1345 | |
| 1346 | node_info->dev_connections = devm_kzalloc(bus_dev, |
| 1347 | sizeof(struct device *) * |
| 1348 | pdata_node_info->num_connections, |
| 1349 | GFP_KERNEL); |
| 1350 | if (!node_info->dev_connections) { |
| 1351 | MSM_BUS_ERR("%s:Bus dev connections alloc failed\n", __func__); |
| 1352 | ret = -ENOMEM; |
| 1353 | goto exit_copy_node_info; |
| 1354 | } |
| 1355 | |
| 1356 | node_info->connections = devm_kzalloc(bus_dev, |
| 1357 | sizeof(int) * pdata_node_info->num_connections, |
| 1358 | GFP_KERNEL); |
| 1359 | if (!node_info->connections) { |
| 1360 | MSM_BUS_ERR("%s:Bus connections alloc failed\n", __func__); |
| 1361 | devm_kfree(bus_dev, node_info->dev_connections); |
| 1362 | ret = -ENOMEM; |
| 1363 | goto exit_copy_node_info; |
| 1364 | } |
| 1365 | |
| 1366 | memcpy(node_info->connections, |
| 1367 | pdata_node_info->connections, |
| 1368 | sizeof(int) * pdata_node_info->num_connections); |
| 1369 | |
| 1370 | node_info->black_connections = devm_kzalloc(bus_dev, |
| 1371 | sizeof(struct device *) * |
| 1372 | pdata_node_info->num_blist, |
| 1373 | GFP_KERNEL); |
| 1374 | if (!node_info->black_connections) { |
| 1375 | MSM_BUS_ERR("%s: Bus black connections alloc failed\n", |
| 1376 | __func__); |
| 1377 | devm_kfree(bus_dev, node_info->dev_connections); |
| 1378 | devm_kfree(bus_dev, node_info->connections); |
| 1379 | ret = -ENOMEM; |
| 1380 | goto exit_copy_node_info; |
| 1381 | } |
| 1382 | |
| 1383 | node_info->black_listed_connections = devm_kzalloc(bus_dev, |
| 1384 | pdata_node_info->num_blist * sizeof(int), |
| 1385 | GFP_KERNEL); |
| 1386 | if (!node_info->black_listed_connections) { |
| 1387 | MSM_BUS_ERR("%s:Bus black list connections alloc failed\n", |
| 1388 | __func__); |
| 1389 | devm_kfree(bus_dev, node_info->black_connections); |
| 1390 | devm_kfree(bus_dev, node_info->dev_connections); |
| 1391 | devm_kfree(bus_dev, node_info->connections); |
| 1392 | ret = -ENOMEM; |
| 1393 | goto exit_copy_node_info; |
| 1394 | } |
| 1395 | |
| 1396 | memcpy(node_info->black_listed_connections, |
| 1397 | pdata_node_info->black_listed_connections, |
| 1398 | sizeof(int) * pdata_node_info->num_blist); |
| 1399 | |
| 1400 | node_info->bcm_devs = devm_kzalloc(bus_dev, |
| 1401 | sizeof(struct device *) * |
| 1402 | pdata_node_info->num_bcm_devs, |
| 1403 | GFP_KERNEL); |
| 1404 | if (!node_info->bcm_devs) { |
| 1405 | MSM_BUS_ERR("%s:Bcm dev connections alloc failed\n", __func__); |
| 1406 | ret = -ENOMEM; |
| 1407 | goto exit_copy_node_info; |
| 1408 | } |
| 1409 | |
| 1410 | node_info->bcm_dev_ids = devm_kzalloc(bus_dev, |
| 1411 | sizeof(int) * pdata_node_info->num_bcm_devs, |
| 1412 | GFP_KERNEL); |
David Dai | babfac6 | 2017-07-14 14:47:42 -0700 | [diff] [blame] | 1413 | if (!node_info->bcm_dev_ids) { |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1414 | MSM_BUS_ERR("%s:Bus connections alloc failed\n", __func__); |
| 1415 | devm_kfree(bus_dev, node_info->bcm_devs); |
| 1416 | ret = -ENOMEM; |
| 1417 | goto exit_copy_node_info; |
| 1418 | } |
| 1419 | |
| 1420 | memcpy(node_info->bcm_dev_ids, |
| 1421 | pdata_node_info->bcm_dev_ids, |
| 1422 | sizeof(int) * pdata_node_info->num_bcm_devs); |
| 1423 | |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1424 | node_info->rsc_devs = devm_kzalloc(bus_dev, |
| 1425 | sizeof(struct device *) * |
| 1426 | pdata_node_info->num_rsc_devs, |
| 1427 | GFP_KERNEL); |
| 1428 | if (!node_info->rsc_devs) { |
| 1429 | MSM_BUS_ERR("%s:rsc dev connections alloc failed\n", __func__); |
| 1430 | ret = -ENOMEM; |
| 1431 | goto exit_copy_node_info; |
| 1432 | } |
| 1433 | |
| 1434 | node_info->rsc_dev_ids = devm_kzalloc(bus_dev, |
| 1435 | sizeof(int) * pdata_node_info->num_rsc_devs, |
| 1436 | GFP_KERNEL); |
David Dai | babfac6 | 2017-07-14 14:47:42 -0700 | [diff] [blame] | 1437 | if (!node_info->rsc_dev_ids) { |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1438 | MSM_BUS_ERR("%s:Bus connections alloc failed\n", __func__); |
| 1439 | devm_kfree(bus_dev, node_info->rsc_devs); |
| 1440 | ret = -ENOMEM; |
| 1441 | goto exit_copy_node_info; |
| 1442 | } |
| 1443 | |
| 1444 | memcpy(node_info->rsc_dev_ids, |
| 1445 | pdata_node_info->rsc_dev_ids, |
| 1446 | sizeof(int) * pdata_node_info->num_rsc_devs); |
| 1447 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1448 | node_info->qport = devm_kzalloc(bus_dev, |
| 1449 | sizeof(int) * pdata_node_info->num_qports, |
| 1450 | GFP_KERNEL); |
| 1451 | if (!node_info->qport) { |
| 1452 | MSM_BUS_ERR("%s:Bus qport allocation failed\n", __func__); |
| 1453 | devm_kfree(bus_dev, node_info->dev_connections); |
| 1454 | devm_kfree(bus_dev, node_info->connections); |
| 1455 | devm_kfree(bus_dev, node_info->black_listed_connections); |
| 1456 | ret = -ENOMEM; |
| 1457 | goto exit_copy_node_info; |
| 1458 | } |
| 1459 | |
| 1460 | memcpy(node_info->qport, |
| 1461 | pdata_node_info->qport, |
| 1462 | sizeof(int) * pdata_node_info->num_qports); |
| 1463 | |
| 1464 | exit_copy_node_info: |
| 1465 | return ret; |
| 1466 | } |
| 1467 | |
| 1468 | static struct device *msm_bus_device_init( |
| 1469 | struct msm_bus_node_device_type *pdata) |
| 1470 | { |
| 1471 | struct device *bus_dev = NULL; |
| 1472 | struct msm_bus_node_device_type *bus_node = NULL; |
| 1473 | struct msm_bus_node_info_type *node_info = NULL; |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 1474 | int ret = 0, i = 0; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1475 | |
| 1476 | /** |
| 1477 | * Init here so we can use devm calls |
| 1478 | */ |
| 1479 | |
| 1480 | bus_node = kzalloc(sizeof(struct msm_bus_node_device_type), GFP_KERNEL); |
| 1481 | if (!bus_node) { |
| 1482 | MSM_BUS_ERR("%s:Bus node alloc failed\n", __func__); |
| 1483 | kfree(bus_dev); |
| 1484 | bus_dev = NULL; |
| 1485 | goto exit_device_init; |
| 1486 | } |
| 1487 | bus_dev = &bus_node->dev; |
| 1488 | device_initialize(bus_dev); |
| 1489 | |
| 1490 | node_info = devm_kzalloc(bus_dev, |
| 1491 | sizeof(struct msm_bus_node_info_type), GFP_KERNEL); |
| 1492 | if (!node_info) { |
| 1493 | MSM_BUS_ERR("%s:Bus node info alloc failed\n", __func__); |
| 1494 | devm_kfree(bus_dev, bus_node); |
| 1495 | kfree(bus_dev); |
| 1496 | bus_dev = NULL; |
| 1497 | goto exit_device_init; |
| 1498 | } |
| 1499 | |
| 1500 | bus_node->node_info = node_info; |
| 1501 | bus_node->ap_owned = pdata->ap_owned; |
David Dai | 62c04a6 | 2017-04-12 19:05:49 -0700 | [diff] [blame] | 1502 | bus_node->dirty = false; |
David Dai | b4aff8b | 2017-04-11 19:36:53 -0700 | [diff] [blame] | 1503 | bus_node->num_qos_bcms = pdata->num_qos_bcms; |
| 1504 | if (bus_node->num_qos_bcms) { |
| 1505 | bus_node->qos_bcms = devm_kzalloc(bus_dev, |
| 1506 | (sizeof(struct qos_bcm_type) * |
| 1507 | bus_node->num_qos_bcms), GFP_KERNEL); |
| 1508 | if (!bus_node->qos_bcms) |
| 1509 | goto exit_device_init; |
| 1510 | for (i = 0; i < bus_node->num_qos_bcms; i++) { |
| 1511 | bus_node->qos_bcms[i].qos_bcm_id = |
| 1512 | pdata->qos_bcms[i].qos_bcm_id; |
| 1513 | bus_node->qos_bcms[i].vec.vec_a = |
| 1514 | pdata->qos_bcms[i].vec.vec_a; |
| 1515 | bus_node->qos_bcms[i].vec.vec_b = |
| 1516 | pdata->qos_bcms[i].vec.vec_b; |
| 1517 | } |
| 1518 | } |
| 1519 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1520 | bus_dev->of_node = pdata->of_node; |
| 1521 | |
| 1522 | if (msm_bus_copy_node_info(pdata, bus_dev) < 0) { |
| 1523 | devm_kfree(bus_dev, bus_node); |
| 1524 | devm_kfree(bus_dev, node_info); |
| 1525 | kfree(bus_dev); |
| 1526 | bus_dev = NULL; |
| 1527 | goto exit_device_init; |
| 1528 | } |
| 1529 | |
| 1530 | bus_dev->bus = &msm_bus_type; |
| 1531 | dev_set_name(bus_dev, bus_node->node_info->name); |
| 1532 | |
| 1533 | ret = device_add(bus_dev); |
| 1534 | if (ret < 0) { |
| 1535 | MSM_BUS_ERR("%s: Error registering device %d", |
| 1536 | __func__, pdata->node_info->id); |
| 1537 | devm_kfree(bus_dev, bus_node); |
| 1538 | devm_kfree(bus_dev, node_info->dev_connections); |
| 1539 | devm_kfree(bus_dev, node_info->connections); |
| 1540 | devm_kfree(bus_dev, node_info->black_connections); |
| 1541 | devm_kfree(bus_dev, node_info->black_listed_connections); |
| 1542 | devm_kfree(bus_dev, node_info); |
| 1543 | kfree(bus_dev); |
| 1544 | bus_dev = NULL; |
| 1545 | goto exit_device_init; |
| 1546 | } |
| 1547 | device_create_file(bus_dev, &dev_attr_bw); |
| 1548 | INIT_LIST_HEAD(&bus_node->devlist); |
| 1549 | |
| 1550 | exit_device_init: |
| 1551 | return bus_dev; |
| 1552 | } |
| 1553 | |
| 1554 | static int msm_bus_setup_dev_conn(struct device *bus_dev, void *data) |
| 1555 | { |
| 1556 | struct msm_bus_node_device_type *bus_node = NULL; |
| 1557 | struct msm_bus_node_device_type *bcm_node = NULL; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1558 | struct msm_bus_node_device_type *rsc_node = NULL; |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1559 | int ret = 0; |
| 1560 | int j; |
| 1561 | struct msm_bus_node_device_type *fab; |
| 1562 | |
| 1563 | bus_node = to_msm_bus_node(bus_dev); |
| 1564 | if (!bus_node) { |
| 1565 | MSM_BUS_ERR("%s: Can't get device info", __func__); |
| 1566 | ret = -ENODEV; |
| 1567 | goto exit_setup_dev_conn; |
| 1568 | } |
| 1569 | |
| 1570 | /* Setup parent bus device for this node */ |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 1571 | if (!bus_node->node_info->is_fab_dev && |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1572 | !bus_node->node_info->is_bcm_dev && |
| 1573 | !bus_node->node_info->is_rsc_dev) { |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1574 | struct device *bus_parent_device = |
| 1575 | bus_find_device(&msm_bus_type, NULL, |
| 1576 | (void *)&bus_node->node_info->bus_device_id, |
| 1577 | msm_bus_device_match_adhoc); |
| 1578 | |
| 1579 | if (!bus_parent_device) { |
| 1580 | MSM_BUS_ERR("%s: Error finding parentdev %d parent %d", |
| 1581 | __func__, |
| 1582 | bus_node->node_info->id, |
| 1583 | bus_node->node_info->bus_device_id); |
| 1584 | ret = -ENXIO; |
| 1585 | goto exit_setup_dev_conn; |
| 1586 | } |
| 1587 | bus_node->node_info->bus_device = bus_parent_device; |
| 1588 | fab = to_msm_bus_node(bus_parent_device); |
| 1589 | list_add_tail(&bus_node->dev_link, &fab->devlist); |
| 1590 | } |
| 1591 | |
| 1592 | bus_node->node_info->is_traversed = false; |
| 1593 | |
| 1594 | for (j = 0; j < bus_node->node_info->num_connections; j++) { |
| 1595 | bus_node->node_info->dev_connections[j] = |
| 1596 | bus_find_device(&msm_bus_type, NULL, |
| 1597 | (void *)&bus_node->node_info->connections[j], |
| 1598 | msm_bus_device_match_adhoc); |
| 1599 | |
| 1600 | if (!bus_node->node_info->dev_connections[j]) { |
| 1601 | MSM_BUS_ERR("%s: Error finding conn %d for device %d", |
| 1602 | __func__, bus_node->node_info->connections[j], |
| 1603 | bus_node->node_info->id); |
| 1604 | ret = -ENODEV; |
| 1605 | goto exit_setup_dev_conn; |
| 1606 | } |
| 1607 | } |
| 1608 | |
| 1609 | for (j = 0; j < bus_node->node_info->num_blist; j++) { |
| 1610 | bus_node->node_info->black_connections[j] = |
| 1611 | bus_find_device(&msm_bus_type, NULL, |
| 1612 | (void *)&bus_node->node_info-> |
| 1613 | black_listed_connections[j], |
| 1614 | msm_bus_device_match_adhoc); |
| 1615 | |
| 1616 | if (!bus_node->node_info->black_connections[j]) { |
| 1617 | MSM_BUS_ERR("%s: Error finding conn %d for device %d\n", |
| 1618 | __func__, bus_node->node_info-> |
| 1619 | black_listed_connections[j], |
| 1620 | bus_node->node_info->id); |
| 1621 | ret = -ENODEV; |
| 1622 | goto exit_setup_dev_conn; |
| 1623 | } |
| 1624 | } |
| 1625 | |
| 1626 | for (j = 0; j < bus_node->node_info->num_bcm_devs; j++) { |
| 1627 | bus_node->node_info->bcm_devs[j] = |
| 1628 | bus_find_device(&msm_bus_type, NULL, |
| 1629 | (void *)&bus_node->node_info->bcm_dev_ids[j], |
| 1630 | msm_bus_device_match_adhoc); |
| 1631 | |
| 1632 | if (!bus_node->node_info->bcm_devs[j]) { |
| 1633 | MSM_BUS_ERR("%s: Error finding conn %d for device %d", |
| 1634 | __func__, bus_node->node_info->bcm_dev_ids[j], |
| 1635 | bus_node->node_info->id); |
| 1636 | ret = -ENODEV; |
| 1637 | goto exit_setup_dev_conn; |
| 1638 | } |
David Dai | 0d01443 | 2016-11-10 12:57:44 -0800 | [diff] [blame] | 1639 | bcm_node = to_msm_bus_node(bus_node->node_info->bcm_devs[j]); |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1640 | bcm_node->bcmdev->num_bus_devs++; |
| 1641 | } |
| 1642 | |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1643 | for (j = 0; j < bus_node->node_info->num_rsc_devs; j++) { |
| 1644 | bus_node->node_info->rsc_devs[j] = |
| 1645 | bus_find_device(&msm_bus_type, NULL, |
| 1646 | (void *)&bus_node->node_info->rsc_dev_ids[j], |
| 1647 | msm_bus_device_match_adhoc); |
| 1648 | |
| 1649 | if (!bus_node->node_info->rsc_devs[j]) { |
| 1650 | MSM_BUS_ERR("%s: Error finding conn %d for device %d", |
| 1651 | __func__, bus_node->node_info->rsc_dev_ids[j], |
| 1652 | bus_node->node_info->id); |
| 1653 | ret = -ENODEV; |
| 1654 | goto exit_setup_dev_conn; |
| 1655 | } |
| 1656 | rsc_node = to_msm_bus_node(bus_node->node_info->rsc_devs[j]); |
David Dai | 3734dab | 2018-01-09 11:21:11 -0800 | [diff] [blame] | 1657 | rsc_node->rscdev->num_bcm_devs++; |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1658 | } |
| 1659 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1660 | exit_setup_dev_conn: |
| 1661 | return ret; |
| 1662 | } |
| 1663 | |
| 1664 | static int msm_bus_node_debug(struct device *bus_dev, void *data) |
| 1665 | { |
| 1666 | int j; |
| 1667 | int ret = 0; |
| 1668 | struct msm_bus_node_device_type *bus_node = NULL; |
| 1669 | |
| 1670 | bus_node = to_msm_bus_node(bus_dev); |
| 1671 | if (!bus_node) { |
| 1672 | MSM_BUS_ERR("%s: Can't get device info", __func__); |
| 1673 | ret = -ENODEV; |
| 1674 | goto exit_node_debug; |
| 1675 | } |
| 1676 | |
| 1677 | MSM_BUS_DBG("Device = %d buswidth %u", bus_node->node_info->id, |
| 1678 | bus_node->node_info->agg_params.buswidth); |
| 1679 | for (j = 0; j < bus_node->node_info->num_connections; j++) { |
| 1680 | struct msm_bus_node_device_type *bdev = |
| 1681 | to_msm_bus_node(bus_node->node_info->dev_connections[j]); |
| 1682 | MSM_BUS_DBG("\n\t Connection[%d] %d", j, bdev->node_info->id); |
| 1683 | } |
| 1684 | |
| 1685 | if (bus_node->node_info->is_fab_dev) |
| 1686 | msm_bus_floor_init(bus_dev); |
| 1687 | |
| 1688 | exit_node_debug: |
| 1689 | return ret; |
| 1690 | } |
| 1691 | |
| 1692 | static int msm_bus_free_dev(struct device *dev, void *data) |
| 1693 | { |
| 1694 | struct msm_bus_node_device_type *bus_node = NULL; |
| 1695 | |
| 1696 | bus_node = to_msm_bus_node(dev); |
| 1697 | |
| 1698 | if (bus_node) |
| 1699 | MSM_BUS_ERR("\n%s: Removing device %d", __func__, |
| 1700 | bus_node->node_info->id); |
| 1701 | device_unregister(dev); |
| 1702 | kfree(bus_node); |
| 1703 | return 0; |
| 1704 | } |
| 1705 | |
| 1706 | int msm_bus_device_remove(struct platform_device *pdev) |
| 1707 | { |
| 1708 | bus_for_each_dev(&msm_bus_type, NULL, NULL, msm_bus_free_dev); |
| 1709 | return 0; |
| 1710 | } |
| 1711 | |
| 1712 | static int msm_bus_device_probe(struct platform_device *pdev) |
| 1713 | { |
| 1714 | unsigned int i = 1, ret; |
| 1715 | struct msm_bus_device_node_registration *pdata; |
| 1716 | |
| 1717 | MSM_BUS_ERR("msm_bus: Probe started"); |
| 1718 | /* If possible, get pdata from device-tree */ |
| 1719 | if (pdev->dev.of_node) |
| 1720 | pdata = msm_bus_of_to_pdata(pdev); |
| 1721 | else { |
| 1722 | pdata = (struct msm_bus_device_node_registration *)pdev-> |
| 1723 | dev.platform_data; |
| 1724 | } |
| 1725 | |
| 1726 | MSM_BUS_ERR("msm_bus: DT Parsing complete"); |
| 1727 | |
| 1728 | if (IS_ERR_OR_NULL(pdata)) { |
| 1729 | MSM_BUS_ERR("No platform data found"); |
| 1730 | ret = -ENODATA; |
| 1731 | goto exit_device_probe; |
| 1732 | } |
| 1733 | |
| 1734 | for (i = 0; i < pdata->num_devices; i++) { |
| 1735 | struct device *node_dev = NULL; |
| 1736 | |
| 1737 | node_dev = msm_bus_device_init(&pdata->info[i]); |
| 1738 | |
| 1739 | if (!node_dev) { |
| 1740 | MSM_BUS_ERR("%s: Error during dev init for %d", |
| 1741 | __func__, pdata->info[i].node_info->id); |
| 1742 | ret = -ENXIO; |
| 1743 | goto exit_device_probe; |
| 1744 | } |
| 1745 | |
| 1746 | ret = msm_bus_init_clk(node_dev, &pdata->info[i]); |
| 1747 | if (ret) { |
| 1748 | MSM_BUS_ERR("\n Failed to init bus clk. ret %d", ret); |
| 1749 | msm_bus_device_remove(pdev); |
| 1750 | goto exit_device_probe; |
| 1751 | } |
| 1752 | /*Is this a fabric device ?*/ |
| 1753 | if (pdata->info[i].node_info->is_fab_dev) { |
| 1754 | MSM_BUS_DBG("%s: %d is a fab", __func__, |
| 1755 | pdata->info[i].node_info->id); |
| 1756 | ret = msm_bus_fabric_init(node_dev, &pdata->info[i]); |
| 1757 | if (ret) { |
| 1758 | MSM_BUS_ERR("%s: Error intializing fab %d", |
| 1759 | __func__, pdata->info[i].node_info->id); |
| 1760 | goto exit_device_probe; |
| 1761 | } |
| 1762 | } |
Stephen Boyd | d213aee | 2017-04-05 17:09:22 -0700 | [diff] [blame] | 1763 | if (pdata->info[i].node_info->is_bcm_dev) { |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1764 | ret = msm_bus_bcm_init(node_dev, &pdata->info[i]); |
| 1765 | if (ret) { |
| 1766 | MSM_BUS_ERR("%s: Error intializing bcm %d", |
| 1767 | __func__, pdata->info[i].node_info->id); |
| 1768 | goto exit_device_probe; |
| 1769 | } |
Stephen Boyd | d213aee | 2017-04-05 17:09:22 -0700 | [diff] [blame] | 1770 | } |
| 1771 | if (pdata->info[i].node_info->is_rsc_dev) { |
David Dai | 1999c04 | 2017-02-27 12:51:09 -0800 | [diff] [blame] | 1772 | ret = msm_bus_rsc_init(pdev, node_dev, &pdata->info[i]); |
| 1773 | if (ret) { |
| 1774 | MSM_BUS_ERR("%s: Error intializing rsc %d", |
| 1775 | __func__, pdata->info[i].node_info->id); |
| 1776 | goto exit_device_probe; |
| 1777 | } |
Stephen Boyd | d213aee | 2017-04-05 17:09:22 -0700 | [diff] [blame] | 1778 | } |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1779 | } |
| 1780 | |
| 1781 | ret = bus_for_each_dev(&msm_bus_type, NULL, NULL, |
| 1782 | msm_bus_setup_dev_conn); |
| 1783 | if (ret) { |
| 1784 | MSM_BUS_ERR("%s: Error setting up dev connections", __func__); |
| 1785 | goto exit_device_probe; |
| 1786 | } |
| 1787 | |
David Dai | 3734dab | 2018-01-09 11:21:11 -0800 | [diff] [blame] | 1788 | ret = bus_for_each_dev(&msm_bus_type, NULL, NULL, |
| 1789 | msm_bus_postcon_setup); |
| 1790 | if (ret) { |
| 1791 | MSM_BUS_ERR("%s: Error post connection setup", __func__); |
| 1792 | goto exit_device_probe; |
| 1793 | } |
| 1794 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1795 | /* |
| 1796 | * Setup the QoS for the nodes, don't check the error codes as we |
| 1797 | * defer QoS programming to the first transaction in cases of failure |
| 1798 | * and we want to continue the probe. |
| 1799 | */ |
| 1800 | ret = bus_for_each_dev(&msm_bus_type, NULL, NULL, msm_bus_dev_init_qos); |
| 1801 | |
| 1802 | /* Register the arb layer ops */ |
| 1803 | msm_bus_arb_setops_adhoc(&arb_ops); |
| 1804 | bus_for_each_dev(&msm_bus_type, NULL, NULL, msm_bus_node_debug); |
| 1805 | |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1806 | devm_kfree(&pdev->dev, pdata->info); |
| 1807 | devm_kfree(&pdev->dev, pdata); |
| 1808 | exit_device_probe: |
| 1809 | return ret; |
| 1810 | } |
| 1811 | |
| 1812 | static int msm_bus_device_rules_probe(struct platform_device *pdev) |
| 1813 | { |
| 1814 | struct bus_rule_type *rule_data = NULL; |
| 1815 | int num_rules = 0; |
| 1816 | |
| 1817 | num_rules = msm_bus_of_get_static_rules(pdev, &rule_data); |
| 1818 | |
| 1819 | if (!rule_data) |
| 1820 | goto exit_rules_probe; |
| 1821 | |
| 1822 | msm_rule_register(num_rules, rule_data, NULL); |
| 1823 | static_rules.num_rules = num_rules; |
| 1824 | static_rules.rules = rule_data; |
| 1825 | pdev->dev.platform_data = &static_rules; |
| 1826 | |
| 1827 | exit_rules_probe: |
| 1828 | return 0; |
| 1829 | } |
| 1830 | |
| 1831 | int msm_bus_device_rules_remove(struct platform_device *pdev) |
| 1832 | { |
| 1833 | struct static_rules_type *static_rules = NULL; |
| 1834 | |
| 1835 | static_rules = pdev->dev.platform_data; |
| 1836 | if (static_rules) |
| 1837 | msm_rule_unregister(static_rules->num_rules, |
| 1838 | static_rules->rules, NULL); |
| 1839 | return 0; |
| 1840 | } |
| 1841 | |
| 1842 | |
| 1843 | static const struct of_device_id rules_match[] = { |
| 1844 | {.compatible = "qcom,msm-bus-static-bw-rules"}, |
| 1845 | {} |
| 1846 | }; |
| 1847 | |
| 1848 | static struct platform_driver msm_bus_rules_driver = { |
| 1849 | .probe = msm_bus_device_rules_probe, |
| 1850 | .remove = msm_bus_device_rules_remove, |
| 1851 | .driver = { |
| 1852 | .name = "msm_bus_rules_device", |
| 1853 | .owner = THIS_MODULE, |
| 1854 | .of_match_table = rules_match, |
| 1855 | }, |
| 1856 | }; |
| 1857 | |
| 1858 | static const struct of_device_id fabric_match[] = { |
| 1859 | {.compatible = "qcom,msm-bus-device"}, |
| 1860 | {} |
| 1861 | }; |
| 1862 | |
| 1863 | static struct platform_driver msm_bus_device_driver = { |
| 1864 | .probe = msm_bus_device_probe, |
| 1865 | .remove = msm_bus_device_remove, |
| 1866 | .driver = { |
| 1867 | .name = "msm_bus_device", |
| 1868 | .owner = THIS_MODULE, |
| 1869 | .of_match_table = fabric_match, |
| 1870 | }, |
| 1871 | }; |
| 1872 | |
| 1873 | int __init msm_bus_device_init_driver(void) |
| 1874 | { |
| 1875 | int rc; |
| 1876 | |
| 1877 | MSM_BUS_ERR("msm_bus_fabric_rpmh_init_driver\n"); |
| 1878 | rc = platform_driver_register(&msm_bus_device_driver); |
| 1879 | |
| 1880 | if (rc) { |
| 1881 | MSM_BUS_ERR("Failed to register bus device driver"); |
| 1882 | return rc; |
| 1883 | } |
| 1884 | return platform_driver_register(&msm_bus_rules_driver); |
| 1885 | } |
| 1886 | |
| 1887 | int __init msm_bus_device_late_init(void) |
| 1888 | { |
David Dai | 68c7250 | 2017-07-07 19:56:01 -0700 | [diff] [blame] | 1889 | commit_late_init_data(true); |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1890 | MSM_BUS_ERR("msm_bus_late_init: Remove handoff bw requests\n"); |
David Dai | 62c04a6 | 2017-04-12 19:05:49 -0700 | [diff] [blame] | 1891 | init_time = false; |
David Dai | 68c7250 | 2017-07-07 19:56:01 -0700 | [diff] [blame] | 1892 | return commit_late_init_data(false); |
David Dai | 04ce420 | 2016-09-26 16:24:13 -0700 | [diff] [blame] | 1893 | } |
| 1894 | subsys_initcall(msm_bus_device_init_driver); |
| 1895 | late_initcall_sync(msm_bus_device_late_init); |