| .. | .. |
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| 31 | 31 | #include <linux/clk-provider.h> |
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| 32 | 32 | #include <linux/pm_domain.h> |
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| 33 | 33 | #include <linux/pm_runtime.h> |
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| 34 | | -#include <linux/devfreq_cooling.h> |
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| 35 | 34 | #include <linux/regmap.h> |
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| 36 | | -#include <linux/dma-iommu.h> |
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| 37 | 35 | #include <linux/of_address.h> |
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| 38 | 36 | |
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| 39 | 37 | #ifndef FPGA_PLATFORM |
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| 40 | 38 | #include <soc/rockchip/rockchip_iommu.h> |
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| 41 | | -#include <soc/rockchip/rockchip_opp_select.h> |
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| 42 | | -#include <soc/rockchip/rockchip_system_monitor.h> |
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| 43 | | -#include <soc/rockchip/rockchip_ipa.h> |
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| 44 | | -#ifdef CONFIG_PM_DEVFREQ |
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| 45 | | -#include <../drivers/devfreq/governor.h> |
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| 46 | | -#endif |
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| 47 | 39 | #endif |
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| 48 | 40 | |
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| 49 | 41 | #include "rknpu_ioctl.h" |
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| .. | .. |
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| 51 | 43 | #include "rknpu_fence.h" |
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| 52 | 44 | #include "rknpu_drv.h" |
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| 53 | 45 | #include "rknpu_gem.h" |
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| 46 | +#include "rknpu_devfreq.h" |
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| 54 | 47 | |
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| 55 | 48 | #ifdef CONFIG_ROCKCHIP_RKNPU_DRM_GEM |
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| 56 | 49 | #include <drm/drm_device.h> |
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| .. | .. |
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| 118 | 111 | .num_irqs = ARRAY_SIZE(rknpu_irqs), |
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| 119 | 112 | .num_resets = ARRAY_SIZE(rknpu_resets), |
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| 120 | 113 | .nbuf_phyaddr = 0, |
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| 121 | | - .nbuf_size = 0 |
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| 114 | + .nbuf_size = 0, |
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| 115 | + .max_submit_number = (1 << 12) - 1, |
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| 116 | + .core_mask = 0x1, |
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| 122 | 117 | }; |
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| 123 | 118 | |
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| 124 | 119 | static const struct rknpu_config rk3588_rknpu_config = { |
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| .. | .. |
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| 136 | 131 | .num_irqs = ARRAY_SIZE(rk3588_npu_irqs), |
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| 137 | 132 | .num_resets = ARRAY_SIZE(rk3588_npu_resets), |
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| 138 | 133 | .nbuf_phyaddr = 0, |
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| 139 | | - .nbuf_size = 0 |
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| 134 | + .nbuf_size = 0, |
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| 135 | + .max_submit_number = (1 << 12) - 1, |
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| 136 | + .core_mask = 0x7, |
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| 137 | +}; |
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| 138 | + |
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| 139 | +static const struct rknpu_config rk3583_rknpu_config = { |
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| 140 | + .bw_priority_addr = 0x0, |
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| 141 | + .bw_priority_length = 0x0, |
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| 142 | + .dma_mask = DMA_BIT_MASK(40), |
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| 143 | + .pc_data_amount_scale = 2, |
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| 144 | + .pc_task_number_bits = 12, |
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| 145 | + .pc_task_number_mask = 0xfff, |
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| 146 | + .pc_task_status_offset = 0x3c, |
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| 147 | + .pc_dma_ctrl = 0, |
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| 148 | + .bw_enable = 0, |
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| 149 | + .irqs = rk3588_npu_irqs, |
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| 150 | + .resets = rk3588_npu_resets, |
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| 151 | + .num_irqs = 2, |
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| 152 | + .num_resets = 2, |
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| 153 | + .nbuf_phyaddr = 0, |
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| 154 | + .nbuf_size = 0, |
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| 155 | + .max_submit_number = (1 << 12) - 1, |
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| 156 | + .core_mask = 0x3, |
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| 140 | 157 | }; |
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| 141 | 158 | |
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| 142 | 159 | static const struct rknpu_config rv1106_rknpu_config = { |
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| .. | .. |
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| 154 | 171 | .num_irqs = ARRAY_SIZE(rknpu_irqs), |
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| 155 | 172 | .num_resets = ARRAY_SIZE(rknpu_resets), |
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| 156 | 173 | .nbuf_phyaddr = 0, |
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| 157 | | - .nbuf_size = 0 |
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| 174 | + .nbuf_size = 0, |
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| 175 | + .max_submit_number = (1 << 16) - 1, |
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| 176 | + .core_mask = 0x1, |
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| 158 | 177 | }; |
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| 159 | 178 | |
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| 160 | 179 | static const struct rknpu_config rk3562_rknpu_config = { |
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| .. | .. |
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| 172 | 191 | .num_irqs = ARRAY_SIZE(rknpu_irqs), |
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| 173 | 192 | .num_resets = ARRAY_SIZE(rknpu_resets), |
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| 174 | 193 | .nbuf_phyaddr = 0xfe400000, |
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| 175 | | - .nbuf_size = 256 * 1024 |
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| 194 | + .nbuf_size = 256 * 1024, |
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| 195 | + .max_submit_number = (1 << 16) - 1, |
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| 196 | + .core_mask = 0x1, |
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| 176 | 197 | }; |
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| 177 | 198 | |
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| 178 | 199 | /* driver probe and init */ |
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| .. | .. |
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| 225 | 246 | { |
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| 226 | 247 | int ret = 0; |
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| 227 | 248 | |
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| 228 | | - cancel_delayed_work(&rknpu_dev->power_off_work); |
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| 229 | 249 | mutex_lock(&rknpu_dev->power_lock); |
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| 230 | 250 | if (atomic_inc_return(&rknpu_dev->power_refcount) == 1) |
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| 231 | 251 | ret = rknpu_power_on(rknpu_dev); |
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| .. | .. |
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| 248 | 268 | |
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| 249 | 269 | static int rknpu_power_put_delay(struct rknpu_device *rknpu_dev) |
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| 250 | 270 | { |
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| 271 | + if (rknpu_dev->power_put_delay == 0) |
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| 272 | + return rknpu_power_put(rknpu_dev); |
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| 273 | + |
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| 251 | 274 | mutex_lock(&rknpu_dev->power_lock); |
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| 252 | 275 | if (atomic_read(&rknpu_dev->power_refcount) == 1) |
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| 253 | 276 | queue_delayed_work( |
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| .. | .. |
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| 256 | 279 | else |
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| 257 | 280 | atomic_dec_if_positive(&rknpu_dev->power_refcount); |
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| 258 | 281 | mutex_unlock(&rknpu_dev->power_lock); |
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| 282 | + |
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| 259 | 283 | return 0; |
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| 260 | 284 | } |
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| 261 | 285 | |
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| .. | .. |
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| 489 | 513 | #endif |
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| 490 | 514 | |
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| 491 | 515 | #ifdef CONFIG_ROCKCHIP_RKNPU_DRM_GEM |
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| 516 | +#if KERNEL_VERSION(6, 1, 0) > LINUX_VERSION_CODE |
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| 492 | 517 | static const struct vm_operations_struct rknpu_gem_vm_ops = { |
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| 493 | 518 | .fault = rknpu_gem_fault, |
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| 494 | 519 | .open = drm_gem_vm_open, |
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| 495 | 520 | .close = drm_gem_vm_close, |
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| 496 | 521 | }; |
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| 522 | +#endif |
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| 497 | 523 | |
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| 498 | 524 | static int rknpu_action_ioctl(struct drm_device *dev, void *data, |
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| 499 | 525 | struct drm_file *file_priv) |
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| .. | .. |
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| 535 | 561 | DRM_RENDER_ALLOW), |
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| 536 | 562 | }; |
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| 537 | 563 | |
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| 564 | +#if KERNEL_VERSION(6, 1, 0) <= LINUX_VERSION_CODE |
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| 565 | +DEFINE_DRM_GEM_FOPS(rknpu_drm_driver_fops); |
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| 566 | +#else |
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| 538 | 567 | static const struct file_operations rknpu_drm_driver_fops = { |
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| 539 | 568 | .owner = THIS_MODULE, |
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| 540 | 569 | .open = drm_open, |
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| .. | .. |
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| 548 | 577 | .release = drm_release, |
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| 549 | 578 | .llseek = noop_llseek, |
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| 550 | 579 | }; |
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| 580 | +#endif |
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| 551 | 581 | |
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| 552 | 582 | static struct drm_driver rknpu_drm_driver = { |
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| 553 | 583 | #if KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE |
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| .. | .. |
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| 555 | 585 | #else |
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| 556 | 586 | .driver_features = DRIVER_GEM | DRIVER_PRIME | DRIVER_RENDER, |
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| 557 | 587 | #endif |
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| 588 | +#if KERNEL_VERSION(6, 1, 0) > LINUX_VERSION_CODE |
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| 558 | 589 | .gem_free_object_unlocked = rknpu_gem_free_object, |
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| 559 | 590 | .gem_vm_ops = &rknpu_gem_vm_ops, |
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| 591 | + .dumb_destroy = drm_gem_dumb_destroy, |
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| 592 | + .gem_prime_export = drm_gem_prime_export, |
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| 593 | + .gem_prime_get_sg_table = rknpu_gem_prime_get_sg_table, |
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| 594 | + .gem_prime_vmap = rknpu_gem_prime_vmap, |
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| 595 | + .gem_prime_vunmap = rknpu_gem_prime_vunmap, |
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| 596 | +#endif |
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| 560 | 597 | .dumb_create = rknpu_gem_dumb_create, |
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| 561 | 598 | #if KERNEL_VERSION(4, 19, 0) > LINUX_VERSION_CODE |
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| 562 | 599 | .dumb_map_offset = rknpu_gem_dumb_map_offset, |
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| 563 | 600 | #else |
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| 564 | 601 | .dumb_map_offset = drm_gem_dumb_map_offset, |
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| 565 | 602 | #endif |
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| 566 | | - .dumb_destroy = drm_gem_dumb_destroy, |
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| 567 | 603 | .prime_handle_to_fd = drm_gem_prime_handle_to_fd, |
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| 568 | 604 | .prime_fd_to_handle = drm_gem_prime_fd_to_handle, |
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| 569 | | - .gem_prime_export = drm_gem_prime_export, |
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| 570 | 605 | #if KERNEL_VERSION(4, 13, 0) <= LINUX_VERSION_CODE |
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| 571 | 606 | .gem_prime_import = rknpu_gem_prime_import, |
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| 572 | 607 | #else |
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| 573 | 608 | .gem_prime_import = drm_gem_prime_import, |
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| 574 | 609 | #endif |
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| 575 | | - .gem_prime_get_sg_table = rknpu_gem_prime_get_sg_table, |
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| 576 | 610 | .gem_prime_import_sg_table = rknpu_gem_prime_import_sg_table, |
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| 577 | | - .gem_prime_vmap = rknpu_gem_prime_vmap, |
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| 578 | | - .gem_prime_vunmap = rknpu_gem_prime_vunmap, |
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| 611 | +#if KERNEL_VERSION(6, 1, 0) <= LINUX_VERSION_CODE |
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| 612 | + .gem_prime_mmap = drm_gem_prime_mmap, |
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| 613 | +#else |
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| 579 | 614 | .gem_prime_mmap = rknpu_gem_prime_mmap, |
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| 615 | +#endif |
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| 580 | 616 | .ioctls = rknpu_ioctls, |
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| 581 | 617 | .num_ioctls = ARRAY_SIZE(rknpu_ioctls), |
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| 582 | 618 | .fops = &rknpu_drm_driver_fops, |
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| .. | .. |
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| 596 | 632 | container_of(timer, struct rknpu_device, timer); |
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| 597 | 633 | struct rknpu_subcore_data *subcore_data = NULL; |
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| 598 | 634 | struct rknpu_job *job = NULL; |
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| 599 | | - ktime_t now = ktime_get(); |
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| 635 | + ktime_t now; |
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| 600 | 636 | unsigned long flags; |
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| 601 | 637 | int i; |
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| 602 | 638 | |
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| .. | .. |
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| 607 | 643 | |
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| 608 | 644 | job = subcore_data->job; |
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| 609 | 645 | if (job) { |
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| 646 | + now = ktime_get(); |
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| 610 | 647 | subcore_data->timer.busy_time += |
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| 611 | | - ktime_us_delta(now, job->hw_recoder_time); |
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| 612 | | - job->hw_recoder_time = ktime_get(); |
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| 648 | + ktime_sub(now, job->hw_recoder_time); |
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| 649 | + job->hw_recoder_time = now; |
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| 613 | 650 | } |
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| 614 | 651 | |
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| 615 | | - subcore_data->timer.busy_time_record = |
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| 652 | + subcore_data->timer.total_busy_time = |
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| 616 | 653 | subcore_data->timer.busy_time; |
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| 617 | 654 | subcore_data->timer.busy_time = 0; |
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| 655 | + |
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| 618 | 656 | spin_unlock_irqrestore(&rknpu_dev->irq_lock, flags); |
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| 619 | 657 | } |
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| 620 | 658 | |
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| .. | .. |
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| 661 | 699 | } |
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| 662 | 700 | |
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| 663 | 701 | #ifdef CONFIG_ROCKCHIP_RKNPU_DRM_GEM |
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| 702 | +static int drm_fake_dev_register(struct rknpu_device *rknpu_dev) |
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| 703 | +{ |
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| 704 | + const struct platform_device_info rknpu_dev_info = { |
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| 705 | + .name = "rknpu_dev", |
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| 706 | + .id = PLATFORM_DEVID_AUTO, |
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| 707 | + .dma_mask = rknpu_dev->config->dma_mask, |
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| 708 | + }; |
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| 709 | + struct platform_device *pdev = NULL; |
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| 710 | + int ret = -EINVAL; |
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| 711 | + |
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| 712 | + pdev = platform_device_register_full(&rknpu_dev_info); |
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| 713 | + if (pdev) { |
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| 714 | + ret = of_dma_configure(&pdev->dev, NULL, true); |
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| 715 | + if (ret) { |
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| 716 | + platform_device_unregister(pdev); |
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| 717 | + pdev = NULL; |
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| 718 | + } |
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| 719 | + } |
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| 720 | + |
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| 721 | + rknpu_dev->fake_dev = pdev ? &pdev->dev : NULL; |
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| 722 | + |
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| 723 | + return ret; |
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| 724 | +} |
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| 725 | + |
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| 726 | +static void drm_fake_dev_unregister(struct rknpu_device *rknpu_dev) |
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| 727 | +{ |
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| 728 | + struct platform_device *pdev = NULL; |
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| 729 | + |
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| 730 | + if (!rknpu_dev->fake_dev) |
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| 731 | + return; |
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| 732 | + |
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| 733 | + pdev = to_platform_device(rknpu_dev->fake_dev); |
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| 734 | + |
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| 735 | + platform_device_unregister(pdev); |
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| 736 | +} |
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| 737 | + |
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| 664 | 738 | static int rknpu_drm_probe(struct rknpu_device *rknpu_dev) |
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| 665 | 739 | { |
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| 666 | 740 | struct device *dev = rknpu_dev->dev; |
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| .. | .. |
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| 679 | 753 | drm_dev->dev_private = rknpu_dev; |
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| 680 | 754 | rknpu_dev->drm_dev = drm_dev; |
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| 681 | 755 | |
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| 756 | + drm_fake_dev_register(rknpu_dev); |
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| 757 | + |
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| 682 | 758 | return 0; |
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| 683 | 759 | |
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| 684 | 760 | err_free_drm: |
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| .. | .. |
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| 694 | 770 | static void rknpu_drm_remove(struct rknpu_device *rknpu_dev) |
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| 695 | 771 | { |
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| 696 | 772 | struct drm_device *drm_dev = rknpu_dev->drm_dev; |
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| 773 | + |
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| 774 | + drm_fake_dev_unregister(rknpu_dev); |
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| 697 | 775 | |
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| 698 | 776 | drm_dev_unregister(drm_dev); |
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| 699 | 777 | |
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| .. | .. |
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| 742 | 820 | } |
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| 743 | 821 | |
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| 744 | 822 | #ifndef FPGA_PLATFORM |
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| 745 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
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| 746 | | - rockchip_monitor_volt_adjust_lock(rknpu_dev->mdev_info); |
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| 747 | | -#endif |
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| 823 | + rknpu_devfreq_lock(rknpu_dev); |
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| 748 | 824 | #endif |
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| 749 | 825 | |
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| 750 | 826 | if (rknpu_dev->multiple_domains) { |
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| .. | .. |
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| 803 | 879 | |
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| 804 | 880 | out: |
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| 805 | 881 | #ifndef FPGA_PLATFORM |
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| 806 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
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| 807 | | - rockchip_monitor_volt_adjust_unlock(rknpu_dev->mdev_info); |
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| 808 | | -#endif |
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| 882 | + rknpu_devfreq_unlock(rknpu_dev); |
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| 809 | 883 | #endif |
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| 810 | 884 | |
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| 811 | 885 | return ret; |
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| .. | .. |
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| 819 | 893 | int ret; |
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| 820 | 894 | bool val; |
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| 821 | 895 | |
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| 822 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
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| 823 | | - rockchip_monitor_volt_adjust_lock(rknpu_dev->mdev_info); |
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| 824 | | -#endif |
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| 896 | + rknpu_devfreq_lock(rknpu_dev); |
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| 825 | 897 | #endif |
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| 826 | 898 | |
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| 827 | 899 | pm_runtime_put_sync(dev); |
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| .. | .. |
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| 843 | 915 | if (ret) { |
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| 844 | 916 | LOG_DEV_ERROR(dev, "iommu still enabled\n"); |
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| 845 | 917 | pm_runtime_get_sync(dev); |
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| 846 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
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| 847 | | - rockchip_monitor_volt_adjust_unlock( |
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| 848 | | - rknpu_dev->mdev_info); |
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| 849 | | -#endif |
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| 918 | + rknpu_devfreq_unlock(rknpu_dev); |
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| 850 | 919 | return ret; |
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| 851 | 920 | } |
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| 852 | 921 | #else |
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| .. | .. |
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| 862 | 931 | } |
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| 863 | 932 | |
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| 864 | 933 | #ifndef FPGA_PLATFORM |
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| 865 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
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| 866 | | - rockchip_monitor_volt_adjust_unlock(rknpu_dev->mdev_info); |
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| 867 | | -#endif |
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| 934 | + rknpu_devfreq_unlock(rknpu_dev); |
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| 868 | 935 | #endif |
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| 869 | 936 | |
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| 870 | 937 | clk_bulk_disable_unprepare(rknpu_dev->num_clks, rknpu_dev->clks); |
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| .. | .. |
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| 879 | 946 | |
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| 880 | 947 | return 0; |
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| 881 | 948 | } |
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| 882 | | - |
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| 883 | | -#ifndef FPGA_PLATFORM |
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| 884 | | -static struct monitor_dev_profile npu_mdevp = { |
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| 885 | | - .type = MONITOR_TYPE_DEV, |
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| 886 | | - .low_temp_adjust = rockchip_monitor_dev_low_temp_adjust, |
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| 887 | | - .high_temp_adjust = rockchip_monitor_dev_high_temp_adjust, |
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| 888 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
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| 889 | | - .update_volt = rockchip_monitor_check_rate_volt, |
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| 890 | | -#endif |
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| 891 | | -}; |
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| 892 | | - |
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| 893 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
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| 894 | | -static int npu_opp_helper(struct dev_pm_set_opp_data *data) |
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| 895 | | -{ |
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| 896 | | - struct device *dev = data->dev; |
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| 897 | | - struct dev_pm_opp_supply *old_supply_vdd = &data->old_opp.supplies[0]; |
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| 898 | | - struct dev_pm_opp_supply *old_supply_mem = &data->old_opp.supplies[1]; |
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| 899 | | - struct dev_pm_opp_supply *new_supply_vdd = &data->new_opp.supplies[0]; |
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| 900 | | - struct dev_pm_opp_supply *new_supply_mem = &data->new_opp.supplies[1]; |
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| 901 | | - struct regulator *vdd_reg = data->regulators[0]; |
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| 902 | | - struct regulator *mem_reg = data->regulators[1]; |
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| 903 | | - struct clk *clk = data->clk; |
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| 904 | | - struct rknpu_device *rknpu_dev = dev_get_drvdata(dev); |
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| 905 | | - struct rockchip_opp_info *opp_info = &rknpu_dev->opp_info; |
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| 906 | | - unsigned long old_freq = data->old_opp.rate; |
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| 907 | | - unsigned long new_freq = data->new_opp.rate; |
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| 908 | | - bool is_set_rm = true; |
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| 909 | | - bool is_set_clk = true; |
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| 910 | | - u32 target_rm = UINT_MAX; |
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| 911 | | - int ret = 0; |
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| 912 | | - |
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| 913 | | - if (!pm_runtime_active(dev)) { |
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| 914 | | - is_set_rm = false; |
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| 915 | | - if (opp_info->scmi_clk) |
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| 916 | | - is_set_clk = false; |
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| 917 | | - } |
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| 918 | | - |
|---|
| 919 | | - ret = clk_bulk_prepare_enable(opp_info->num_clks, opp_info->clks); |
|---|
| 920 | | - if (ret < 0) { |
|---|
| 921 | | - LOG_DEV_ERROR(dev, "failed to enable opp clks\n"); |
|---|
| 922 | | - return ret; |
|---|
| 923 | | - } |
|---|
| 924 | | - rockchip_get_read_margin(dev, opp_info, new_supply_vdd->u_volt, |
|---|
| 925 | | - &target_rm); |
|---|
| 926 | | - |
|---|
| 927 | | - /* Change frequency */ |
|---|
| 928 | | - LOG_DEV_DEBUG(dev, "switching OPP: %lu Hz --> %lu Hz\n", old_freq, |
|---|
| 929 | | - new_freq); |
|---|
| 930 | | - /* Scaling up? Scale voltage before frequency */ |
|---|
| 931 | | - if (new_freq >= old_freq) { |
|---|
| 932 | | - rockchip_set_intermediate_rate(dev, opp_info, clk, old_freq, |
|---|
| 933 | | - new_freq, true, is_set_clk); |
|---|
| 934 | | - ret = regulator_set_voltage(mem_reg, new_supply_mem->u_volt, |
|---|
| 935 | | - INT_MAX); |
|---|
| 936 | | - if (ret) { |
|---|
| 937 | | - LOG_DEV_ERROR(dev, |
|---|
| 938 | | - "failed to set volt %lu uV for mem reg\n", |
|---|
| 939 | | - new_supply_mem->u_volt); |
|---|
| 940 | | - goto restore_voltage; |
|---|
| 941 | | - } |
|---|
| 942 | | - ret = regulator_set_voltage(vdd_reg, new_supply_vdd->u_volt, |
|---|
| 943 | | - INT_MAX); |
|---|
| 944 | | - if (ret) { |
|---|
| 945 | | - LOG_DEV_ERROR(dev, |
|---|
| 946 | | - "failed to set volt %lu uV for vdd reg\n", |
|---|
| 947 | | - new_supply_vdd->u_volt); |
|---|
| 948 | | - goto restore_voltage; |
|---|
| 949 | | - } |
|---|
| 950 | | - rockchip_set_read_margin(dev, opp_info, target_rm, is_set_rm); |
|---|
| 951 | | - if (is_set_clk && clk_set_rate(clk, new_freq)) { |
|---|
| 952 | | - ret = -EINVAL; |
|---|
| 953 | | - LOG_DEV_ERROR(dev, "failed to set clk rate: %d\n", ret); |
|---|
| 954 | | - goto restore_rm; |
|---|
| 955 | | - } |
|---|
| 956 | | - /* Scaling down? Scale voltage after frequency */ |
|---|
| 957 | | - } else { |
|---|
| 958 | | - rockchip_set_intermediate_rate(dev, opp_info, clk, old_freq, |
|---|
| 959 | | - new_freq, false, is_set_clk); |
|---|
| 960 | | - rockchip_set_read_margin(dev, opp_info, target_rm, is_set_rm); |
|---|
| 961 | | - if (is_set_clk && clk_set_rate(clk, new_freq)) { |
|---|
| 962 | | - ret = -EINVAL; |
|---|
| 963 | | - LOG_DEV_ERROR(dev, "failed to set clk rate: %d\n", ret); |
|---|
| 964 | | - goto restore_rm; |
|---|
| 965 | | - } |
|---|
| 966 | | - ret = regulator_set_voltage(vdd_reg, new_supply_vdd->u_volt, |
|---|
| 967 | | - INT_MAX); |
|---|
| 968 | | - if (ret) { |
|---|
| 969 | | - LOG_DEV_ERROR(dev, |
|---|
| 970 | | - "failed to set volt %lu uV for vdd reg\n", |
|---|
| 971 | | - new_supply_vdd->u_volt); |
|---|
| 972 | | - goto restore_freq; |
|---|
| 973 | | - } |
|---|
| 974 | | - ret = regulator_set_voltage(mem_reg, new_supply_mem->u_volt, |
|---|
| 975 | | - INT_MAX); |
|---|
| 976 | | - if (ret) { |
|---|
| 977 | | - LOG_DEV_ERROR(dev, |
|---|
| 978 | | - "failed to set volt %lu uV for mem reg\n", |
|---|
| 979 | | - new_supply_mem->u_volt); |
|---|
| 980 | | - goto restore_freq; |
|---|
| 981 | | - } |
|---|
| 982 | | - } |
|---|
| 983 | | - |
|---|
| 984 | | - clk_bulk_disable_unprepare(opp_info->num_clks, opp_info->clks); |
|---|
| 985 | | - |
|---|
| 986 | | - return 0; |
|---|
| 987 | | - |
|---|
| 988 | | -restore_freq: |
|---|
| 989 | | - if (is_set_clk && clk_set_rate(clk, old_freq)) |
|---|
| 990 | | - LOG_DEV_ERROR(dev, "failed to restore old-freq %lu Hz\n", |
|---|
| 991 | | - old_freq); |
|---|
| 992 | | -restore_rm: |
|---|
| 993 | | - rockchip_get_read_margin(dev, opp_info, old_supply_vdd->u_volt, |
|---|
| 994 | | - &target_rm); |
|---|
| 995 | | - rockchip_set_read_margin(dev, opp_info, opp_info->current_rm, |
|---|
| 996 | | - is_set_rm); |
|---|
| 997 | | -restore_voltage: |
|---|
| 998 | | - regulator_set_voltage(mem_reg, old_supply_mem->u_volt, INT_MAX); |
|---|
| 999 | | - regulator_set_voltage(vdd_reg, old_supply_vdd->u_volt, INT_MAX); |
|---|
| 1000 | | - clk_bulk_disable_unprepare(opp_info->num_clks, opp_info->clks); |
|---|
| 1001 | | - |
|---|
| 1002 | | - return ret; |
|---|
| 1003 | | -} |
|---|
| 1004 | | - |
|---|
| 1005 | | -static int npu_devfreq_target(struct device *dev, unsigned long *freq, |
|---|
| 1006 | | - u32 flags) |
|---|
| 1007 | | -{ |
|---|
| 1008 | | - struct rknpu_device *rknpu_dev = dev_get_drvdata(dev); |
|---|
| 1009 | | - struct dev_pm_opp *opp; |
|---|
| 1010 | | - unsigned long opp_volt; |
|---|
| 1011 | | - int ret = 0; |
|---|
| 1012 | | - |
|---|
| 1013 | | - if (!npu_mdevp.is_checked) |
|---|
| 1014 | | - return -EINVAL; |
|---|
| 1015 | | - |
|---|
| 1016 | | - opp = devfreq_recommended_opp(dev, freq, flags); |
|---|
| 1017 | | - if (IS_ERR(opp)) |
|---|
| 1018 | | - return PTR_ERR(opp); |
|---|
| 1019 | | - opp_volt = dev_pm_opp_get_voltage(opp); |
|---|
| 1020 | | - dev_pm_opp_put(opp); |
|---|
| 1021 | | - |
|---|
| 1022 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
|---|
| 1023 | | - rockchip_monitor_volt_adjust_lock(rknpu_dev->mdev_info); |
|---|
| 1024 | | -#endif |
|---|
| 1025 | | - ret = dev_pm_opp_set_rate(dev, *freq); |
|---|
| 1026 | | - if (!ret) { |
|---|
| 1027 | | - rknpu_dev->current_freq = *freq; |
|---|
| 1028 | | - if (rknpu_dev->devfreq) |
|---|
| 1029 | | - rknpu_dev->devfreq->last_status.current_frequency = |
|---|
| 1030 | | - *freq; |
|---|
| 1031 | | - rknpu_dev->current_volt = opp_volt; |
|---|
| 1032 | | - LOG_DEV_INFO(dev, "set rknpu freq: %lu, volt: %lu\n", |
|---|
| 1033 | | - rknpu_dev->current_freq, rknpu_dev->current_volt); |
|---|
| 1034 | | - } |
|---|
| 1035 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
|---|
| 1036 | | - rockchip_monitor_volt_adjust_unlock(rknpu_dev->mdev_info); |
|---|
| 1037 | | -#endif |
|---|
| 1038 | | - |
|---|
| 1039 | | - return ret; |
|---|
| 1040 | | -} |
|---|
| 1041 | | - |
|---|
| 1042 | | -#else |
|---|
| 1043 | | - |
|---|
| 1044 | | -static int npu_devfreq_target(struct device *dev, unsigned long *target_freq, |
|---|
| 1045 | | - u32 flags) |
|---|
| 1046 | | -{ |
|---|
| 1047 | | - struct rknpu_device *rknpu_dev = dev_get_drvdata(dev); |
|---|
| 1048 | | - struct dev_pm_opp *opp = NULL; |
|---|
| 1049 | | - unsigned long freq = *target_freq; |
|---|
| 1050 | | - unsigned long old_freq = rknpu_dev->current_freq; |
|---|
| 1051 | | - unsigned long volt, old_volt = rknpu_dev->current_volt; |
|---|
| 1052 | | - int ret = -EINVAL; |
|---|
| 1053 | | - |
|---|
| 1054 | | -#if KERNEL_VERSION(4, 11, 0) > LINUX_VERSION_CODE |
|---|
| 1055 | | - rcu_read_lock(); |
|---|
| 1056 | | -#endif |
|---|
| 1057 | | - |
|---|
| 1058 | | - opp = devfreq_recommended_opp(dev, &freq, flags); |
|---|
| 1059 | | - if (IS_ERR(opp)) { |
|---|
| 1060 | | -#if KERNEL_VERSION(4, 11, 0) > LINUX_VERSION_CODE |
|---|
| 1061 | | - rcu_read_unlock(); |
|---|
| 1062 | | -#endif |
|---|
| 1063 | | - LOG_DEV_ERROR(dev, "failed to get opp (%ld)\n", PTR_ERR(opp)); |
|---|
| 1064 | | - return PTR_ERR(opp); |
|---|
| 1065 | | - } |
|---|
| 1066 | | - volt = dev_pm_opp_get_voltage(opp); |
|---|
| 1067 | | -#if KERNEL_VERSION(4, 11, 0) > LINUX_VERSION_CODE |
|---|
| 1068 | | - rcu_read_unlock(); |
|---|
| 1069 | | -#endif |
|---|
| 1070 | | - |
|---|
| 1071 | | - /* |
|---|
| 1072 | | - * Only update if there is a change of frequency |
|---|
| 1073 | | - */ |
|---|
| 1074 | | - if (old_freq == freq) { |
|---|
| 1075 | | - *target_freq = freq; |
|---|
| 1076 | | - if (old_volt == volt) |
|---|
| 1077 | | - return 0; |
|---|
| 1078 | | - ret = regulator_set_voltage(rknpu_dev->vdd, volt, INT_MAX); |
|---|
| 1079 | | - if (ret) { |
|---|
| 1080 | | - LOG_DEV_ERROR(dev, "failed to set volt %lu\n", volt); |
|---|
| 1081 | | - return ret; |
|---|
| 1082 | | - } |
|---|
| 1083 | | - rknpu_dev->current_volt = volt; |
|---|
| 1084 | | - return 0; |
|---|
| 1085 | | - } |
|---|
| 1086 | | - |
|---|
| 1087 | | - if (rknpu_dev->vdd && old_volt != volt && old_freq < freq) { |
|---|
| 1088 | | - ret = regulator_set_voltage(rknpu_dev->vdd, volt, INT_MAX); |
|---|
| 1089 | | - if (ret) { |
|---|
| 1090 | | - LOG_DEV_ERROR(dev, "failed to increase volt %lu\n", |
|---|
| 1091 | | - volt); |
|---|
| 1092 | | - return ret; |
|---|
| 1093 | | - } |
|---|
| 1094 | | - } |
|---|
| 1095 | | - LOG_DEV_DEBUG(dev, "%luHz %luuV -> %luHz %luuV\n", old_freq, old_volt, |
|---|
| 1096 | | - freq, volt); |
|---|
| 1097 | | - ret = clk_set_rate(rknpu_dev->clks[0].clk, freq); |
|---|
| 1098 | | - if (ret) { |
|---|
| 1099 | | - LOG_DEV_ERROR(dev, "failed to set clock %lu\n", freq); |
|---|
| 1100 | | - return ret; |
|---|
| 1101 | | - } |
|---|
| 1102 | | - *target_freq = freq; |
|---|
| 1103 | | - rknpu_dev->current_freq = freq; |
|---|
| 1104 | | - |
|---|
| 1105 | | - if (rknpu_dev->devfreq) |
|---|
| 1106 | | - rknpu_dev->devfreq->last_status.current_frequency = freq; |
|---|
| 1107 | | - |
|---|
| 1108 | | - if (rknpu_dev->vdd && old_volt != volt && old_freq > freq) { |
|---|
| 1109 | | - ret = regulator_set_voltage(rknpu_dev->vdd, volt, INT_MAX); |
|---|
| 1110 | | - if (ret) { |
|---|
| 1111 | | - LOG_DEV_ERROR(dev, "failed to decrease volt %lu\n", |
|---|
| 1112 | | - volt); |
|---|
| 1113 | | - return ret; |
|---|
| 1114 | | - } |
|---|
| 1115 | | - } |
|---|
| 1116 | | - rknpu_dev->current_volt = volt; |
|---|
| 1117 | | - |
|---|
| 1118 | | - LOG_DEV_INFO(dev, "set rknpu freq: %lu, volt: %lu\n", |
|---|
| 1119 | | - rknpu_dev->current_freq, rknpu_dev->current_volt); |
|---|
| 1120 | | - |
|---|
| 1121 | | - return ret; |
|---|
| 1122 | | -} |
|---|
| 1123 | | -#endif |
|---|
| 1124 | | - |
|---|
| 1125 | | -static int npu_devfreq_get_dev_status(struct device *dev, |
|---|
| 1126 | | - struct devfreq_dev_status *stat) |
|---|
| 1127 | | -{ |
|---|
| 1128 | | - return 0; |
|---|
| 1129 | | -} |
|---|
| 1130 | | - |
|---|
| 1131 | | -static int npu_devfreq_get_cur_freq(struct device *dev, unsigned long *freq) |
|---|
| 1132 | | -{ |
|---|
| 1133 | | - struct rknpu_device *rknpu_dev = dev_get_drvdata(dev); |
|---|
| 1134 | | - |
|---|
| 1135 | | - *freq = rknpu_dev->current_freq; |
|---|
| 1136 | | - |
|---|
| 1137 | | - return 0; |
|---|
| 1138 | | -} |
|---|
| 1139 | | - |
|---|
| 1140 | | -static struct devfreq_dev_profile npu_devfreq_profile = { |
|---|
| 1141 | | - .polling_ms = 50, |
|---|
| 1142 | | - .target = npu_devfreq_target, |
|---|
| 1143 | | - .get_dev_status = npu_devfreq_get_dev_status, |
|---|
| 1144 | | - .get_cur_freq = npu_devfreq_get_cur_freq, |
|---|
| 1145 | | -}; |
|---|
| 1146 | | - |
|---|
| 1147 | | -#ifdef CONFIG_PM_DEVFREQ |
|---|
| 1148 | | -static int devfreq_rknpu_ondemand_func(struct devfreq *df, unsigned long *freq) |
|---|
| 1149 | | -{ |
|---|
| 1150 | | - struct rknpu_device *rknpu_dev = df->data; |
|---|
| 1151 | | - |
|---|
| 1152 | | - if (rknpu_dev) |
|---|
| 1153 | | - *freq = rknpu_dev->ondemand_freq; |
|---|
| 1154 | | - else |
|---|
| 1155 | | - *freq = df->previous_freq; |
|---|
| 1156 | | - |
|---|
| 1157 | | - return 0; |
|---|
| 1158 | | -} |
|---|
| 1159 | | - |
|---|
| 1160 | | -static int devfreq_rknpu_ondemand_handler(struct devfreq *devfreq, |
|---|
| 1161 | | - unsigned int event, void *data) |
|---|
| 1162 | | -{ |
|---|
| 1163 | | - return 0; |
|---|
| 1164 | | -} |
|---|
| 1165 | | - |
|---|
| 1166 | | -static struct devfreq_governor devfreq_rknpu_ondemand = { |
|---|
| 1167 | | - .name = "rknpu_ondemand", |
|---|
| 1168 | | - .get_target_freq = devfreq_rknpu_ondemand_func, |
|---|
| 1169 | | - .event_handler = devfreq_rknpu_ondemand_handler, |
|---|
| 1170 | | -}; |
|---|
| 1171 | | -#endif |
|---|
| 1172 | | - |
|---|
| 1173 | | -static unsigned long npu_get_static_power(struct devfreq *devfreq, |
|---|
| 1174 | | - unsigned long voltage) |
|---|
| 1175 | | -{ |
|---|
| 1176 | | - struct device *dev = devfreq->dev.parent; |
|---|
| 1177 | | - struct rknpu_device *rknpu_dev = dev_get_drvdata(dev); |
|---|
| 1178 | | - |
|---|
| 1179 | | - if (!rknpu_dev->model_data) |
|---|
| 1180 | | - return 0; |
|---|
| 1181 | | - |
|---|
| 1182 | | - return rockchip_ipa_get_static_power(rknpu_dev->model_data, voltage); |
|---|
| 1183 | | -} |
|---|
| 1184 | | - |
|---|
| 1185 | | -static struct devfreq_cooling_power npu_cooling_power = { |
|---|
| 1186 | | - .get_static_power = &npu_get_static_power, |
|---|
| 1187 | | -}; |
|---|
| 1188 | | - |
|---|
| 1189 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
|---|
| 1190 | | -static int rk3588_npu_get_soc_info(struct device *dev, struct device_node *np, |
|---|
| 1191 | | - int *bin, int *process) |
|---|
| 1192 | | -{ |
|---|
| 1193 | | - int ret = 0; |
|---|
| 1194 | | - u8 value = 0; |
|---|
| 1195 | | - |
|---|
| 1196 | | - if (!bin) |
|---|
| 1197 | | - return 0; |
|---|
| 1198 | | - |
|---|
| 1199 | | - if (of_property_match_string(np, "nvmem-cell-names", |
|---|
| 1200 | | - "specification_serial_number") >= 0) { |
|---|
| 1201 | | - ret = rockchip_nvmem_cell_read_u8( |
|---|
| 1202 | | - np, "specification_serial_number", &value); |
|---|
| 1203 | | - if (ret) { |
|---|
| 1204 | | - LOG_DEV_ERROR( |
|---|
| 1205 | | - dev, |
|---|
| 1206 | | - "Failed to get specification_serial_number\n"); |
|---|
| 1207 | | - return ret; |
|---|
| 1208 | | - } |
|---|
| 1209 | | - /* RK3588M */ |
|---|
| 1210 | | - if (value == 0xd) |
|---|
| 1211 | | - *bin = 1; |
|---|
| 1212 | | - /* RK3588J */ |
|---|
| 1213 | | - else if (value == 0xa) |
|---|
| 1214 | | - *bin = 2; |
|---|
| 1215 | | - } |
|---|
| 1216 | | - if (*bin < 0) |
|---|
| 1217 | | - *bin = 0; |
|---|
| 1218 | | - LOG_DEV_INFO(dev, "bin=%d\n", *bin); |
|---|
| 1219 | | - |
|---|
| 1220 | | - return ret; |
|---|
| 1221 | | -} |
|---|
| 1222 | | - |
|---|
| 1223 | | -static int rk3588_npu_set_soc_info(struct device *dev, struct device_node *np, |
|---|
| 1224 | | - int bin, int process, int volt_sel) |
|---|
| 1225 | | -{ |
|---|
| 1226 | | - struct opp_table *opp_table; |
|---|
| 1227 | | - u32 supported_hw[2]; |
|---|
| 1228 | | - |
|---|
| 1229 | | - if (volt_sel < 0) |
|---|
| 1230 | | - return 0; |
|---|
| 1231 | | - if (bin < 0) |
|---|
| 1232 | | - bin = 0; |
|---|
| 1233 | | - |
|---|
| 1234 | | - if (!of_property_read_bool(np, "rockchip,supported-hw")) |
|---|
| 1235 | | - return 0; |
|---|
| 1236 | | - |
|---|
| 1237 | | - /* SoC Version */ |
|---|
| 1238 | | - supported_hw[0] = BIT(bin); |
|---|
| 1239 | | - /* Speed Grade */ |
|---|
| 1240 | | - supported_hw[1] = BIT(volt_sel); |
|---|
| 1241 | | - opp_table = dev_pm_opp_set_supported_hw(dev, supported_hw, 2); |
|---|
| 1242 | | - if (IS_ERR(opp_table)) { |
|---|
| 1243 | | - LOG_DEV_ERROR(dev, "failed to set supported opp\n"); |
|---|
| 1244 | | - return PTR_ERR(opp_table); |
|---|
| 1245 | | - } |
|---|
| 1246 | | - |
|---|
| 1247 | | - return 0; |
|---|
| 1248 | | -} |
|---|
| 1249 | | - |
|---|
| 1250 | | -static int rk3588_npu_set_read_margin(struct device *dev, |
|---|
| 1251 | | - struct rockchip_opp_info *opp_info, |
|---|
| 1252 | | - u32 rm) |
|---|
| 1253 | | -{ |
|---|
| 1254 | | - u32 offset = 0, val = 0; |
|---|
| 1255 | | - int i, ret = 0; |
|---|
| 1256 | | - |
|---|
| 1257 | | - if (!opp_info->grf || !opp_info->volt_rm_tbl) |
|---|
| 1258 | | - return 0; |
|---|
| 1259 | | - |
|---|
| 1260 | | - if (rm == opp_info->current_rm || rm == UINT_MAX) |
|---|
| 1261 | | - return 0; |
|---|
| 1262 | | - |
|---|
| 1263 | | - LOG_DEV_DEBUG(dev, "set rm to %d\n", rm); |
|---|
| 1264 | | - |
|---|
| 1265 | | - for (i = 0; i < 3; i++) { |
|---|
| 1266 | | - ret = regmap_read(opp_info->grf, offset, &val); |
|---|
| 1267 | | - if (ret < 0) { |
|---|
| 1268 | | - LOG_DEV_ERROR(dev, "failed to get rm from 0x%x\n", |
|---|
| 1269 | | - offset); |
|---|
| 1270 | | - return ret; |
|---|
| 1271 | | - } |
|---|
| 1272 | | - val &= ~0x1c; |
|---|
| 1273 | | - regmap_write(opp_info->grf, offset, val | (rm << 2)); |
|---|
| 1274 | | - offset += 4; |
|---|
| 1275 | | - } |
|---|
| 1276 | | - opp_info->current_rm = rm; |
|---|
| 1277 | | - |
|---|
| 1278 | | - return 0; |
|---|
| 1279 | | -} |
|---|
| 1280 | | - |
|---|
| 1281 | | -static const struct rockchip_opp_data rk3588_npu_opp_data = { |
|---|
| 1282 | | - .get_soc_info = rk3588_npu_get_soc_info, |
|---|
| 1283 | | - .set_soc_info = rk3588_npu_set_soc_info, |
|---|
| 1284 | | - .set_read_margin = rk3588_npu_set_read_margin, |
|---|
| 1285 | | -}; |
|---|
| 1286 | | - |
|---|
| 1287 | | -static const struct of_device_id rockchip_npu_of_match[] = { |
|---|
| 1288 | | - { |
|---|
| 1289 | | - .compatible = "rockchip,rk3588", |
|---|
| 1290 | | - .data = (void *)&rk3588_npu_opp_data, |
|---|
| 1291 | | - }, |
|---|
| 1292 | | - {}, |
|---|
| 1293 | | -}; |
|---|
| 1294 | | - |
|---|
| 1295 | | -static int rknpu_devfreq_init(struct rknpu_device *rknpu_dev) |
|---|
| 1296 | | -{ |
|---|
| 1297 | | - struct device *dev = rknpu_dev->dev; |
|---|
| 1298 | | - struct devfreq_dev_profile *dp = &npu_devfreq_profile; |
|---|
| 1299 | | - struct dev_pm_opp *opp; |
|---|
| 1300 | | - struct opp_table *reg_table = NULL; |
|---|
| 1301 | | - struct opp_table *opp_table = NULL; |
|---|
| 1302 | | - const char *const reg_names[] = { "rknpu", "mem" }; |
|---|
| 1303 | | - int ret = -EINVAL; |
|---|
| 1304 | | - |
|---|
| 1305 | | - if (of_find_property(dev->of_node, "rknpu-supply", NULL) && |
|---|
| 1306 | | - of_find_property(dev->of_node, "mem-supply", NULL)) { |
|---|
| 1307 | | - reg_table = dev_pm_opp_set_regulators(dev, reg_names, 2); |
|---|
| 1308 | | - if (IS_ERR(reg_table)) |
|---|
| 1309 | | - return PTR_ERR(reg_table); |
|---|
| 1310 | | - opp_table = |
|---|
| 1311 | | - dev_pm_opp_register_set_opp_helper(dev, npu_opp_helper); |
|---|
| 1312 | | - if (IS_ERR(opp_table)) { |
|---|
| 1313 | | - dev_pm_opp_put_regulators(reg_table); |
|---|
| 1314 | | - return PTR_ERR(opp_table); |
|---|
| 1315 | | - } |
|---|
| 1316 | | - } else { |
|---|
| 1317 | | - reg_table = dev_pm_opp_set_regulators(dev, reg_names, 1); |
|---|
| 1318 | | - if (IS_ERR(reg_table)) |
|---|
| 1319 | | - return PTR_ERR(reg_table); |
|---|
| 1320 | | - } |
|---|
| 1321 | | - |
|---|
| 1322 | | - rockchip_get_opp_data(rockchip_npu_of_match, &rknpu_dev->opp_info); |
|---|
| 1323 | | - ret = rockchip_init_opp_table(dev, &rknpu_dev->opp_info, "npu_leakage", |
|---|
| 1324 | | - "rknpu"); |
|---|
| 1325 | | - if (ret) { |
|---|
| 1326 | | - LOG_DEV_ERROR(dev, "failed to init_opp_table\n"); |
|---|
| 1327 | | - return ret; |
|---|
| 1328 | | - } |
|---|
| 1329 | | - |
|---|
| 1330 | | - rknpu_dev->current_freq = clk_get_rate(rknpu_dev->clks[0].clk); |
|---|
| 1331 | | - |
|---|
| 1332 | | - opp = devfreq_recommended_opp(dev, &rknpu_dev->current_freq, 0); |
|---|
| 1333 | | - if (IS_ERR(opp)) { |
|---|
| 1334 | | - ret = PTR_ERR(opp); |
|---|
| 1335 | | - goto err_remove_table; |
|---|
| 1336 | | - } |
|---|
| 1337 | | - dev_pm_opp_put(opp); |
|---|
| 1338 | | - dp->initial_freq = rknpu_dev->current_freq; |
|---|
| 1339 | | - |
|---|
| 1340 | | -#ifdef CONFIG_PM_DEVFREQ |
|---|
| 1341 | | - ret = devfreq_add_governor(&devfreq_rknpu_ondemand); |
|---|
| 1342 | | - if (ret) { |
|---|
| 1343 | | - LOG_DEV_ERROR(dev, "failed to add rknpu_ondemand governor\n"); |
|---|
| 1344 | | - goto err_remove_table; |
|---|
| 1345 | | - } |
|---|
| 1346 | | -#endif |
|---|
| 1347 | | - |
|---|
| 1348 | | - rknpu_dev->devfreq = devm_devfreq_add_device(dev, dp, "rknpu_ondemand", |
|---|
| 1349 | | - (void *)rknpu_dev); |
|---|
| 1350 | | - if (IS_ERR(rknpu_dev->devfreq)) { |
|---|
| 1351 | | - LOG_DEV_ERROR(dev, "failed to add devfreq\n"); |
|---|
| 1352 | | - ret = PTR_ERR(rknpu_dev->devfreq); |
|---|
| 1353 | | - goto err_remove_governor; |
|---|
| 1354 | | - } |
|---|
| 1355 | | - devm_devfreq_register_opp_notifier(dev, rknpu_dev->devfreq); |
|---|
| 1356 | | - |
|---|
| 1357 | | - rknpu_dev->devfreq->last_status.current_frequency = dp->initial_freq; |
|---|
| 1358 | | - rknpu_dev->devfreq->last_status.total_time = 1; |
|---|
| 1359 | | - rknpu_dev->devfreq->last_status.busy_time = 1; |
|---|
| 1360 | | - |
|---|
| 1361 | | - npu_mdevp.data = rknpu_dev->devfreq; |
|---|
| 1362 | | - npu_mdevp.opp_info = &rknpu_dev->opp_info; |
|---|
| 1363 | | - rknpu_dev->mdev_info = |
|---|
| 1364 | | - rockchip_system_monitor_register(dev, &npu_mdevp); |
|---|
| 1365 | | - if (IS_ERR(rknpu_dev->mdev_info)) { |
|---|
| 1366 | | - LOG_DEV_DEBUG(dev, "without system monitor\n"); |
|---|
| 1367 | | - rknpu_dev->mdev_info = NULL; |
|---|
| 1368 | | - npu_mdevp.is_checked = true; |
|---|
| 1369 | | - } |
|---|
| 1370 | | - rknpu_dev->current_freq = clk_get_rate(rknpu_dev->clks[0].clk); |
|---|
| 1371 | | - rknpu_dev->current_volt = regulator_get_voltage(rknpu_dev->vdd); |
|---|
| 1372 | | - |
|---|
| 1373 | | - of_property_read_u32(dev->of_node, "dynamic-power-coefficient", |
|---|
| 1374 | | - (u32 *)&npu_cooling_power.dyn_power_coeff); |
|---|
| 1375 | | - rknpu_dev->model_data = |
|---|
| 1376 | | - rockchip_ipa_power_model_init(dev, "npu_leakage"); |
|---|
| 1377 | | - if (IS_ERR_OR_NULL(rknpu_dev->model_data)) { |
|---|
| 1378 | | - rknpu_dev->model_data = NULL; |
|---|
| 1379 | | - LOG_DEV_ERROR(dev, "failed to initialize power model\n"); |
|---|
| 1380 | | - } else if (rknpu_dev->model_data->dynamic_coefficient) { |
|---|
| 1381 | | - npu_cooling_power.dyn_power_coeff = |
|---|
| 1382 | | - rknpu_dev->model_data->dynamic_coefficient; |
|---|
| 1383 | | - } |
|---|
| 1384 | | - if (!npu_cooling_power.dyn_power_coeff) { |
|---|
| 1385 | | - LOG_DEV_ERROR(dev, "failed to get dynamic-coefficient\n"); |
|---|
| 1386 | | - goto out; |
|---|
| 1387 | | - } |
|---|
| 1388 | | - |
|---|
| 1389 | | - rknpu_dev->devfreq_cooling = of_devfreq_cooling_register_power( |
|---|
| 1390 | | - dev->of_node, rknpu_dev->devfreq, &npu_cooling_power); |
|---|
| 1391 | | - if (IS_ERR_OR_NULL(rknpu_dev->devfreq_cooling)) |
|---|
| 1392 | | - LOG_DEV_ERROR(dev, "failed to register cooling device\n"); |
|---|
| 1393 | | - |
|---|
| 1394 | | -out: |
|---|
| 1395 | | - return 0; |
|---|
| 1396 | | - |
|---|
| 1397 | | -err_remove_governor: |
|---|
| 1398 | | -#ifdef CONFIG_PM_DEVFREQ |
|---|
| 1399 | | - devfreq_remove_governor(&devfreq_rknpu_ondemand); |
|---|
| 1400 | | -#endif |
|---|
| 1401 | | -err_remove_table: |
|---|
| 1402 | | - dev_pm_opp_of_remove_table(dev); |
|---|
| 1403 | | - |
|---|
| 1404 | | - rknpu_dev->devfreq = NULL; |
|---|
| 1405 | | - |
|---|
| 1406 | | - return ret; |
|---|
| 1407 | | -} |
|---|
| 1408 | | - |
|---|
| 1409 | | -#else |
|---|
| 1410 | | - |
|---|
| 1411 | | -static int npu_devfreq_adjust_current_freq_volt(struct device *dev, |
|---|
| 1412 | | - struct rknpu_device *rknpu_dev) |
|---|
| 1413 | | -{ |
|---|
| 1414 | | - unsigned long volt, old_freq, freq; |
|---|
| 1415 | | - struct dev_pm_opp *opp = NULL; |
|---|
| 1416 | | - int ret = -EINVAL; |
|---|
| 1417 | | - |
|---|
| 1418 | | - old_freq = clk_get_rate(rknpu_dev->clks[0].clk); |
|---|
| 1419 | | - freq = old_freq; |
|---|
| 1420 | | - |
|---|
| 1421 | | -#if KERNEL_VERSION(4, 11, 0) > LINUX_VERSION_CODE |
|---|
| 1422 | | - rcu_read_lock(); |
|---|
| 1423 | | -#endif |
|---|
| 1424 | | - |
|---|
| 1425 | | - opp = devfreq_recommended_opp(dev, &freq, 0); |
|---|
| 1426 | | - volt = dev_pm_opp_get_voltage(opp); |
|---|
| 1427 | | - |
|---|
| 1428 | | -#if KERNEL_VERSION(4, 11, 0) > LINUX_VERSION_CODE |
|---|
| 1429 | | - rcu_read_unlock(); |
|---|
| 1430 | | -#endif |
|---|
| 1431 | | - |
|---|
| 1432 | | - if (freq >= old_freq && rknpu_dev->vdd) { |
|---|
| 1433 | | - ret = regulator_set_voltage(rknpu_dev->vdd, volt, INT_MAX); |
|---|
| 1434 | | - if (ret) { |
|---|
| 1435 | | - LOG_DEV_ERROR(dev, "failed to set volt %lu\n", volt); |
|---|
| 1436 | | - return ret; |
|---|
| 1437 | | - } |
|---|
| 1438 | | - } |
|---|
| 1439 | | - LOG_DEV_DEBUG(dev, "adjust current freq=%luHz, volt=%luuV\n", freq, |
|---|
| 1440 | | - volt); |
|---|
| 1441 | | - ret = clk_set_rate(rknpu_dev->clks[0].clk, freq); |
|---|
| 1442 | | - if (ret) { |
|---|
| 1443 | | - LOG_DEV_ERROR(dev, "failed to set clock %lu\n", freq); |
|---|
| 1444 | | - return ret; |
|---|
| 1445 | | - } |
|---|
| 1446 | | - if (freq < old_freq && rknpu_dev->vdd) { |
|---|
| 1447 | | - ret = regulator_set_voltage(rknpu_dev->vdd, volt, INT_MAX); |
|---|
| 1448 | | - if (ret) { |
|---|
| 1449 | | - LOG_DEV_ERROR(dev, "failed to set volt %lu\n", volt); |
|---|
| 1450 | | - return ret; |
|---|
| 1451 | | - } |
|---|
| 1452 | | - } |
|---|
| 1453 | | - rknpu_dev->current_freq = freq; |
|---|
| 1454 | | - rknpu_dev->current_volt = volt; |
|---|
| 1455 | | - |
|---|
| 1456 | | - return 0; |
|---|
| 1457 | | -} |
|---|
| 1458 | | - |
|---|
| 1459 | | -static int rknpu_devfreq_init(struct rknpu_device *rknpu_dev) |
|---|
| 1460 | | -{ |
|---|
| 1461 | | - struct device *dev = rknpu_dev->dev; |
|---|
| 1462 | | - struct devfreq_dev_profile *dp = &npu_devfreq_profile; |
|---|
| 1463 | | - int ret = -EINVAL; |
|---|
| 1464 | | - |
|---|
| 1465 | | - ret = rockchip_init_opp_table(dev, NULL, "npu_leakage", "rknpu"); |
|---|
| 1466 | | - if (ret) { |
|---|
| 1467 | | - LOG_DEV_ERROR(dev, "failed to init_opp_table\n"); |
|---|
| 1468 | | - return ret; |
|---|
| 1469 | | - } |
|---|
| 1470 | | - |
|---|
| 1471 | | - ret = npu_devfreq_adjust_current_freq_volt(dev, rknpu_dev); |
|---|
| 1472 | | - if (ret) { |
|---|
| 1473 | | - LOG_DEV_ERROR(dev, "failed to adjust current freq volt\n"); |
|---|
| 1474 | | - goto err_remove_table; |
|---|
| 1475 | | - } |
|---|
| 1476 | | - dp->initial_freq = rknpu_dev->current_freq; |
|---|
| 1477 | | - |
|---|
| 1478 | | -#ifdef CONFIG_PM_DEVFREQ |
|---|
| 1479 | | - ret = devfreq_add_governor(&devfreq_rknpu_ondemand); |
|---|
| 1480 | | - if (ret) { |
|---|
| 1481 | | - LOG_DEV_ERROR(dev, "failed to add rknpu_ondemand governor\n"); |
|---|
| 1482 | | - goto err_remove_table; |
|---|
| 1483 | | - } |
|---|
| 1484 | | -#endif |
|---|
| 1485 | | - |
|---|
| 1486 | | - rknpu_dev->devfreq = devm_devfreq_add_device(dev, dp, "rknpu_ondemand", |
|---|
| 1487 | | - (void *)rknpu_dev); |
|---|
| 1488 | | - if (IS_ERR(rknpu_dev->devfreq)) { |
|---|
| 1489 | | - LOG_DEV_ERROR(dev, "failed to add devfreq\n"); |
|---|
| 1490 | | - ret = PTR_ERR(rknpu_dev->devfreq); |
|---|
| 1491 | | - goto err_remove_governor; |
|---|
| 1492 | | - } |
|---|
| 1493 | | - devm_devfreq_register_opp_notifier(dev, rknpu_dev->devfreq); |
|---|
| 1494 | | - |
|---|
| 1495 | | - rknpu_dev->devfreq->last_status.current_frequency = dp->initial_freq; |
|---|
| 1496 | | - rknpu_dev->devfreq->last_status.total_time = 1; |
|---|
| 1497 | | - rknpu_dev->devfreq->last_status.busy_time = 1; |
|---|
| 1498 | | - |
|---|
| 1499 | | - npu_mdevp.data = rknpu_dev->devfreq; |
|---|
| 1500 | | - rknpu_dev->mdev_info = |
|---|
| 1501 | | - rockchip_system_monitor_register(dev, &npu_mdevp); |
|---|
| 1502 | | - if (IS_ERR(rknpu_dev->mdev_info)) { |
|---|
| 1503 | | - LOG_DEV_DEBUG(dev, "without system monitor\n"); |
|---|
| 1504 | | - rknpu_dev->mdev_info = NULL; |
|---|
| 1505 | | - } |
|---|
| 1506 | | - rknpu_dev->current_freq = clk_get_rate(rknpu_dev->clks[0].clk); |
|---|
| 1507 | | - rknpu_dev->current_volt = regulator_get_voltage(rknpu_dev->vdd); |
|---|
| 1508 | | - |
|---|
| 1509 | | - of_property_read_u32(dev->of_node, "dynamic-power-coefficient", |
|---|
| 1510 | | - (u32 *)&npu_cooling_power.dyn_power_coeff); |
|---|
| 1511 | | - rknpu_dev->model_data = |
|---|
| 1512 | | - rockchip_ipa_power_model_init(dev, "npu_leakage"); |
|---|
| 1513 | | - if (IS_ERR_OR_NULL(rknpu_dev->model_data)) { |
|---|
| 1514 | | - rknpu_dev->model_data = NULL; |
|---|
| 1515 | | - LOG_DEV_ERROR(dev, "failed to initialize power model\n"); |
|---|
| 1516 | | - } else if (rknpu_dev->model_data->dynamic_coefficient) { |
|---|
| 1517 | | - npu_cooling_power.dyn_power_coeff = |
|---|
| 1518 | | - rknpu_dev->model_data->dynamic_coefficient; |
|---|
| 1519 | | - } |
|---|
| 1520 | | - |
|---|
| 1521 | | - if (!npu_cooling_power.dyn_power_coeff) { |
|---|
| 1522 | | - LOG_DEV_ERROR(dev, "failed to get dynamic-coefficient\n"); |
|---|
| 1523 | | - goto out; |
|---|
| 1524 | | - } |
|---|
| 1525 | | - |
|---|
| 1526 | | - rknpu_dev->devfreq_cooling = of_devfreq_cooling_register_power( |
|---|
| 1527 | | - dev->of_node, rknpu_dev->devfreq, &npu_cooling_power); |
|---|
| 1528 | | - if (IS_ERR_OR_NULL(rknpu_dev->devfreq_cooling)) |
|---|
| 1529 | | - LOG_DEV_ERROR(dev, "failed to register cooling device\n"); |
|---|
| 1530 | | - |
|---|
| 1531 | | -out: |
|---|
| 1532 | | - return 0; |
|---|
| 1533 | | - |
|---|
| 1534 | | -err_remove_governor: |
|---|
| 1535 | | -#ifdef CONFIG_PM_DEVFREQ |
|---|
| 1536 | | - devfreq_remove_governor(&devfreq_rknpu_ondemand); |
|---|
| 1537 | | -#endif |
|---|
| 1538 | | -err_remove_table: |
|---|
| 1539 | | - dev_pm_opp_of_remove_table(dev); |
|---|
| 1540 | | - |
|---|
| 1541 | | - rknpu_dev->devfreq = NULL; |
|---|
| 1542 | | - |
|---|
| 1543 | | - return ret; |
|---|
| 1544 | | -} |
|---|
| 1545 | | -#endif |
|---|
| 1546 | | - |
|---|
| 1547 | | -static int rknpu_devfreq_remove(struct rknpu_device *rknpu_dev) |
|---|
| 1548 | | -{ |
|---|
| 1549 | | - if (rknpu_dev->devfreq) { |
|---|
| 1550 | | - devfreq_unregister_opp_notifier(rknpu_dev->dev, |
|---|
| 1551 | | - rknpu_dev->devfreq); |
|---|
| 1552 | | - dev_pm_opp_of_remove_table(rknpu_dev->dev); |
|---|
| 1553 | | -#ifdef CONFIG_PM_DEVFREQ |
|---|
| 1554 | | - devfreq_remove_governor(&devfreq_rknpu_ondemand); |
|---|
| 1555 | | -#endif |
|---|
| 1556 | | - } |
|---|
| 1557 | | - |
|---|
| 1558 | | - return 0; |
|---|
| 1559 | | -} |
|---|
| 1560 | | - |
|---|
| 1561 | | -#endif |
|---|
| 1562 | 949 | |
|---|
| 1563 | 950 | static int rknpu_register_irq(struct platform_device *pdev, |
|---|
| 1564 | 951 | struct rknpu_device *rknpu_dev) |
|---|
| .. | .. |
|---|
| 1685 | 1072 | return 0; |
|---|
| 1686 | 1073 | } |
|---|
| 1687 | 1074 | |
|---|
| 1075 | +static int rknpu_get_invalid_core_mask(struct device *dev) |
|---|
| 1076 | +{ |
|---|
| 1077 | + int ret = 0; |
|---|
| 1078 | + u8 invalid_core_mask = 0; |
|---|
| 1079 | + |
|---|
| 1080 | + if (of_property_match_string(dev->of_node, "nvmem-cell-names", |
|---|
| 1081 | + "cores") >= 0) { |
|---|
| 1082 | + ret = rockchip_nvmem_cell_read_u8(dev->of_node, "cores", |
|---|
| 1083 | + &invalid_core_mask); |
|---|
| 1084 | + /* The default valid npu cores for RK3583 are core0 and core1 */ |
|---|
| 1085 | + invalid_core_mask |= RKNPU_CORE2_MASK; |
|---|
| 1086 | + if (ret) { |
|---|
| 1087 | + LOG_DEV_ERROR( |
|---|
| 1088 | + dev, |
|---|
| 1089 | + "failed to get specification_serial_number\n"); |
|---|
| 1090 | + return invalid_core_mask; |
|---|
| 1091 | + } |
|---|
| 1092 | + } |
|---|
| 1093 | + |
|---|
| 1094 | + return (int)invalid_core_mask; |
|---|
| 1095 | +} |
|---|
| 1096 | + |
|---|
| 1688 | 1097 | static int rknpu_probe(struct platform_device *pdev) |
|---|
| 1689 | 1098 | { |
|---|
| 1690 | 1099 | struct resource *res = NULL; |
|---|
| .. | .. |
|---|
| 1716 | 1125 | if (!config) |
|---|
| 1717 | 1126 | return -EINVAL; |
|---|
| 1718 | 1127 | |
|---|
| 1128 | + if (match->data == (void *)&rk3588_rknpu_config) { |
|---|
| 1129 | + int invalid_core_mask = rknpu_get_invalid_core_mask(dev); |
|---|
| 1130 | + /* The default valid npu cores for RK3583 are core0 and core1 */ |
|---|
| 1131 | + if (invalid_core_mask & RKNPU_CORE2_MASK) { |
|---|
| 1132 | + if ((invalid_core_mask & RKNPU_CORE0_MASK) || |
|---|
| 1133 | + (invalid_core_mask & RKNPU_CORE1_MASK)) { |
|---|
| 1134 | + LOG_DEV_ERROR( |
|---|
| 1135 | + dev, |
|---|
| 1136 | + "rknpu core invalid, invalid core mask: %#x\n", |
|---|
| 1137 | + invalid_core_mask); |
|---|
| 1138 | + return -ENODEV; |
|---|
| 1139 | + } |
|---|
| 1140 | + config = &rk3583_rknpu_config; |
|---|
| 1141 | + } |
|---|
| 1142 | + } |
|---|
| 1143 | + |
|---|
| 1719 | 1144 | rknpu_dev->config = config; |
|---|
| 1720 | 1145 | rknpu_dev->dev = dev; |
|---|
| 1721 | 1146 | |
|---|
| .. | .. |
|---|
| 1744 | 1169 | } |
|---|
| 1745 | 1170 | |
|---|
| 1746 | 1171 | #ifndef FPGA_PLATFORM |
|---|
| 1747 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
|---|
| 1748 | | - if (strstr(__clk_get_name(rknpu_dev->clks[0].clk), "scmi")) |
|---|
| 1749 | | - rknpu_dev->opp_info.scmi_clk = rknpu_dev->clks[0].clk; |
|---|
| 1750 | | -#endif |
|---|
| 1751 | | - |
|---|
| 1752 | 1172 | rknpu_dev->vdd = devm_regulator_get_optional(dev, "rknpu"); |
|---|
| 1753 | 1173 | if (IS_ERR(rknpu_dev->vdd)) { |
|---|
| 1754 | 1174 | if (PTR_ERR(rknpu_dev->vdd) != -ENODEV) { |
|---|
| .. | .. |
|---|
| 1875 | 1295 | virt_dev = dev_pm_domain_attach_by_name(dev, "npu1"); |
|---|
| 1876 | 1296 | if (!IS_ERR(virt_dev)) |
|---|
| 1877 | 1297 | rknpu_dev->genpd_dev_npu1 = virt_dev; |
|---|
| 1878 | | - virt_dev = dev_pm_domain_attach_by_name(dev, "npu2"); |
|---|
| 1879 | | - if (!IS_ERR(virt_dev)) |
|---|
| 1880 | | - rknpu_dev->genpd_dev_npu2 = virt_dev; |
|---|
| 1298 | + if (config->num_irqs > 2) { |
|---|
| 1299 | + virt_dev = dev_pm_domain_attach_by_name(dev, "npu2"); |
|---|
| 1300 | + if (!IS_ERR(virt_dev)) |
|---|
| 1301 | + rknpu_dev->genpd_dev_npu2 = virt_dev; |
|---|
| 1302 | + } |
|---|
| 1881 | 1303 | rknpu_dev->multiple_domains = true; |
|---|
| 1882 | 1304 | } |
|---|
| 1883 | 1305 | |
|---|
| .. | .. |
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| 1995 | 1417 | } |
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| 1996 | 1418 | |
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| 1997 | 1419 | #ifndef FPGA_PLATFORM |
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| 1998 | | -#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE |
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| 1999 | 1420 | static int rknpu_runtime_suspend(struct device *dev) |
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| 2000 | 1421 | { |
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| 2001 | | - struct rknpu_device *rknpu_dev = dev_get_drvdata(dev); |
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| 2002 | | - struct rockchip_opp_info *opp_info = &rknpu_dev->opp_info; |
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| 2003 | | - |
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| 2004 | | - if (opp_info->scmi_clk) { |
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| 2005 | | - if (clk_set_rate(opp_info->scmi_clk, POWER_DOWN_FREQ)) |
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| 2006 | | - LOG_DEV_ERROR(dev, "failed to restore clk rate\n"); |
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| 2007 | | - } |
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| 2008 | | - opp_info->current_rm = UINT_MAX; |
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| 2009 | | - |
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| 2010 | | - return 0; |
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| 1422 | + return rknpu_devfreq_runtime_suspend(dev); |
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| 2011 | 1423 | } |
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| 2012 | 1424 | |
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| 2013 | 1425 | static int rknpu_runtime_resume(struct device *dev) |
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| 2014 | 1426 | { |
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| 2015 | | - struct rknpu_device *rknpu_dev = dev_get_drvdata(dev); |
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| 2016 | | - struct rockchip_opp_info *opp_info = &rknpu_dev->opp_info; |
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| 2017 | | - int ret = 0; |
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| 2018 | | - |
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| 2019 | | - if (!rknpu_dev->current_freq || !rknpu_dev->current_volt) |
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| 2020 | | - return 0; |
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| 2021 | | - |
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| 2022 | | - ret = clk_bulk_prepare_enable(opp_info->num_clks, opp_info->clks); |
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| 2023 | | - if (ret) { |
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| 2024 | | - LOG_DEV_ERROR(dev, "failed to enable opp clks\n"); |
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| 2025 | | - return ret; |
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| 2026 | | - } |
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| 2027 | | - |
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| 2028 | | - if (opp_info->data && opp_info->data->set_read_margin) |
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| 2029 | | - opp_info->data->set_read_margin(dev, opp_info, |
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| 2030 | | - opp_info->target_rm); |
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| 2031 | | - if (opp_info->scmi_clk) { |
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| 2032 | | - if (clk_set_rate(opp_info->scmi_clk, rknpu_dev->current_freq)) |
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| 2033 | | - LOG_DEV_ERROR(dev, "failed to set power down rate\n"); |
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| 2034 | | - } |
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| 2035 | | - |
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| 2036 | | - clk_bulk_disable_unprepare(opp_info->num_clks, opp_info->clks); |
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| 2037 | | - |
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| 2038 | | - return ret; |
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| 1427 | + return rknpu_devfreq_runtime_resume(dev); |
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| 2039 | 1428 | } |
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| 2040 | 1429 | |
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| 2041 | 1430 | static const struct dev_pm_ops rknpu_pm_ops = { |
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| .. | .. |
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| 2045 | 1434 | NULL) |
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| 2046 | 1435 | }; |
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| 2047 | 1436 | #endif |
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| 2048 | | -#endif |
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| 2049 | 1437 | |
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| 2050 | 1438 | static struct platform_driver rknpu_driver = { |
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| 2051 | 1439 | .probe = rknpu_probe, |
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| .. | .. |
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| 2054 | 1442 | .owner = THIS_MODULE, |
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| 2055 | 1443 | .name = "RKNPU", |
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| 2056 | 1444 | #ifndef FPGA_PLATFORM |
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| 2057 | | -#if KERNEL_VERSION(5, 5, 0) < LINUX_VERSION_CODE |
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| 2058 | 1445 | .pm = &rknpu_pm_ops, |
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| 2059 | | -#endif |
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| 2060 | 1446 | #endif |
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| 2061 | 1447 | .of_match_table = of_match_ptr(rknpu_of_match), |
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| 2062 | 1448 | }, |
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| .. | .. |
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| 2081 | 1467 | MODULE_LICENSE("GPL v2"); |
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| 2082 | 1468 | MODULE_VERSION(RKNPU_GET_DRV_VERSION_STRING(DRIVER_MAJOR, DRIVER_MINOR, |
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| 2083 | 1469 | DRIVER_PATCHLEVEL)); |
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| 1470 | +#if KERNEL_VERSION(5, 16, 0) < LINUX_VERSION_CODE |
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| 1471 | +MODULE_IMPORT_NS(DMA_BUF); |
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| 1472 | +#endif |
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