diff options
Diffstat (limited to 'drivers/media/platform/amphion/vpu_core.c')
| -rw-r--r-- | drivers/media/platform/amphion/vpu_core.c | 883 |
1 files changed, 883 insertions, 0 deletions
diff --git a/drivers/media/platform/amphion/vpu_core.c b/drivers/media/platform/amphion/vpu_core.c new file mode 100644 index 0000000000..3a2030d02e --- /dev/null +++ b/drivers/media/platform/amphion/vpu_core.c @@ -0,0 +1,883 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020-2021 NXP + */ + +#include <linux/init.h> +#include <linux/interconnect.h> +#include <linux/ioctl.h> +#include <linux/list.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/pm_runtime.h> +#include <linux/pm_domain.h> +#include <linux/firmware.h> +#include <linux/vmalloc.h> +#include "vpu.h" +#include "vpu_defs.h" +#include "vpu_core.h" +#include "vpu_mbox.h" +#include "vpu_msgs.h" +#include "vpu_rpc.h" +#include "vpu_cmds.h" + +void csr_writel(struct vpu_core *core, u32 reg, u32 val) +{ + writel(val, core->base + reg); +} + +u32 csr_readl(struct vpu_core *core, u32 reg) +{ + return readl(core->base + reg); +} + +static int vpu_core_load_firmware(struct vpu_core *core) +{ + const struct firmware *pfw = NULL; + int ret = 0; + + if (!core->fw.virt) { + dev_err(core->dev, "firmware buffer is not ready\n"); + return -EINVAL; + } + + ret = request_firmware(&pfw, core->res->fwname, core->dev); + dev_dbg(core->dev, "request_firmware %s : %d\n", core->res->fwname, ret); + if (ret) { + dev_err(core->dev, "request firmware %s failed, ret = %d\n", + core->res->fwname, ret); + return ret; + } + + if (core->fw.length < pfw->size) { + dev_err(core->dev, "firmware buffer size want %zu, but %d\n", + pfw->size, core->fw.length); + ret = -EINVAL; + goto exit; + } + + memset(core->fw.virt, 0, core->fw.length); + memcpy(core->fw.virt, pfw->data, pfw->size); + core->fw.bytesused = pfw->size; + ret = vpu_iface_on_firmware_loaded(core); +exit: + release_firmware(pfw); + pfw = NULL; + + return ret; +} + +static int vpu_core_boot_done(struct vpu_core *core) +{ + u32 fw_version; + + fw_version = vpu_iface_get_version(core); + dev_info(core->dev, "%s firmware version : %d.%d.%d\n", + vpu_core_type_desc(core->type), + (fw_version >> 16) & 0xff, + (fw_version >> 8) & 0xff, + fw_version & 0xff); + core->supported_instance_count = vpu_iface_get_max_instance_count(core); + if (core->res->act_size) { + u32 count = core->act.length / core->res->act_size; + + core->supported_instance_count = min(core->supported_instance_count, count); + } + if (core->supported_instance_count >= BITS_PER_TYPE(core->instance_mask)) + core->supported_instance_count = BITS_PER_TYPE(core->instance_mask); + core->fw_version = fw_version; + vpu_core_set_state(core, VPU_CORE_ACTIVE); + + return 0; +} + +static int vpu_core_wait_boot_done(struct vpu_core *core) +{ + int ret; + + ret = wait_for_completion_timeout(&core->cmp, VPU_TIMEOUT); + if (!ret) { + dev_err(core->dev, "boot timeout\n"); + return -EINVAL; + } + return vpu_core_boot_done(core); +} + +static int vpu_core_boot(struct vpu_core *core, bool load) +{ + int ret; + + reinit_completion(&core->cmp); + if (load) { + ret = vpu_core_load_firmware(core); + if (ret) + return ret; + } + + vpu_iface_boot_core(core); + return vpu_core_wait_boot_done(core); +} + +static int vpu_core_shutdown(struct vpu_core *core) +{ + return vpu_iface_shutdown_core(core); +} + +static int vpu_core_restore(struct vpu_core *core) +{ + int ret; + + ret = vpu_core_sw_reset(core); + if (ret) + return ret; + + vpu_core_boot_done(core); + return vpu_iface_restore_core(core); +} + +static int __vpu_alloc_dma(struct device *dev, struct vpu_buffer *buf) +{ + gfp_t gfp = GFP_KERNEL | GFP_DMA32; + + if (!buf->length) + return 0; + + buf->virt = dma_alloc_coherent(dev, buf->length, &buf->phys, gfp); + if (!buf->virt) + return -ENOMEM; + + buf->dev = dev; + + return 0; +} + +void vpu_free_dma(struct vpu_buffer *buf) +{ + if (!buf->virt || !buf->dev) + return; + + dma_free_coherent(buf->dev, buf->length, buf->virt, buf->phys); + buf->virt = NULL; + buf->phys = 0; + buf->length = 0; + buf->bytesused = 0; + buf->dev = NULL; +} + +int vpu_alloc_dma(struct vpu_core *core, struct vpu_buffer *buf) +{ + return __vpu_alloc_dma(core->dev, buf); +} + +void vpu_core_set_state(struct vpu_core *core, enum vpu_core_state state) +{ + if (state != core->state) + vpu_trace(core->dev, "vpu core state change from %d to %d\n", core->state, state); + core->state = state; + if (core->state == VPU_CORE_DEINIT) + core->hang_mask = 0; +} + +static void vpu_core_update_state(struct vpu_core *core) +{ + if (!vpu_iface_get_power_state(core)) { + if (core->request_count) + vpu_core_set_state(core, VPU_CORE_HANG); + else + vpu_core_set_state(core, VPU_CORE_DEINIT); + + } else if (core->state == VPU_CORE_ACTIVE && core->hang_mask) { + vpu_core_set_state(core, VPU_CORE_HANG); + } +} + +static struct vpu_core *vpu_core_find_proper_by_type(struct vpu_dev *vpu, u32 type) +{ + struct vpu_core *core = NULL; + int request_count = INT_MAX; + struct vpu_core *c; + + list_for_each_entry(c, &vpu->cores, list) { + dev_dbg(c->dev, "instance_mask = 0x%lx, state = %d\n", c->instance_mask, c->state); + if (c->type != type) + continue; + mutex_lock(&c->lock); + vpu_core_update_state(c); + mutex_unlock(&c->lock); + if (c->state == VPU_CORE_DEINIT) { + core = c; + break; + } + if (c->state != VPU_CORE_ACTIVE) + continue; + if (c->request_count < request_count) { + request_count = c->request_count; + core = c; + } + if (!request_count) + break; + } + + return core; +} + +static bool vpu_core_is_exist(struct vpu_dev *vpu, struct vpu_core *core) +{ + struct vpu_core *c; + + list_for_each_entry(c, &vpu->cores, list) { + if (c == core) + return true; + } + + return false; +} + +static void vpu_core_get_vpu(struct vpu_core *core) +{ + core->vpu->get_vpu(core->vpu); + if (core->type == VPU_CORE_TYPE_ENC) + core->vpu->get_enc(core->vpu); + if (core->type == VPU_CORE_TYPE_DEC) + core->vpu->get_dec(core->vpu); +} + +static int vpu_core_register(struct device *dev, struct vpu_core *core) +{ + struct vpu_dev *vpu = dev_get_drvdata(dev); + int ret = 0; + + dev_dbg(core->dev, "register core %s\n", vpu_core_type_desc(core->type)); + if (vpu_core_is_exist(vpu, core)) + return 0; + + core->workqueue = alloc_ordered_workqueue("vpu", WQ_MEM_RECLAIM); + if (!core->workqueue) { + dev_err(core->dev, "fail to alloc workqueue\n"); + return -ENOMEM; + } + INIT_WORK(&core->msg_work, vpu_msg_run_work); + INIT_DELAYED_WORK(&core->msg_delayed_work, vpu_msg_delayed_work); + core->msg_buffer_size = roundup_pow_of_two(VPU_MSG_BUFFER_SIZE); + core->msg_buffer = vzalloc(core->msg_buffer_size); + if (!core->msg_buffer) { + dev_err(core->dev, "failed allocate buffer for fifo\n"); + ret = -ENOMEM; + goto error; + } + ret = kfifo_init(&core->msg_fifo, core->msg_buffer, core->msg_buffer_size); + if (ret) { + dev_err(core->dev, "failed init kfifo\n"); + goto error; + } + + list_add_tail(&core->list, &vpu->cores); + vpu_core_get_vpu(core); + + return 0; +error: + if (core->msg_buffer) { + vfree(core->msg_buffer); + core->msg_buffer = NULL; + } + if (core->workqueue) { + destroy_workqueue(core->workqueue); + core->workqueue = NULL; + } + return ret; +} + +static void vpu_core_put_vpu(struct vpu_core *core) +{ + if (core->type == VPU_CORE_TYPE_ENC) + core->vpu->put_enc(core->vpu); + if (core->type == VPU_CORE_TYPE_DEC) + core->vpu->put_dec(core->vpu); + core->vpu->put_vpu(core->vpu); +} + +static int vpu_core_unregister(struct device *dev, struct vpu_core *core) +{ + list_del_init(&core->list); + + vpu_core_put_vpu(core); + core->vpu = NULL; + vfree(core->msg_buffer); + core->msg_buffer = NULL; + + if (core->workqueue) { + cancel_work_sync(&core->msg_work); + cancel_delayed_work_sync(&core->msg_delayed_work); + destroy_workqueue(core->workqueue); + core->workqueue = NULL; + } + + return 0; +} + +static int vpu_core_acquire_instance(struct vpu_core *core) +{ + int id; + + id = ffz(core->instance_mask); + if (id >= core->supported_instance_count) + return -EINVAL; + + set_bit(id, &core->instance_mask); + + return id; +} + +static void vpu_core_release_instance(struct vpu_core *core, int id) +{ + if (id < 0 || id >= core->supported_instance_count) + return; + + clear_bit(id, &core->instance_mask); +} + +struct vpu_inst *vpu_inst_get(struct vpu_inst *inst) +{ + if (!inst) + return NULL; + + atomic_inc(&inst->ref_count); + + return inst; +} + +void vpu_inst_put(struct vpu_inst *inst) +{ + if (!inst) + return; + if (atomic_dec_and_test(&inst->ref_count)) { + if (inst->release) + inst->release(inst); + } +} + +struct vpu_core *vpu_request_core(struct vpu_dev *vpu, enum vpu_core_type type) +{ + struct vpu_core *core = NULL; + int ret; + + mutex_lock(&vpu->lock); + + core = vpu_core_find_proper_by_type(vpu, type); + if (!core) + goto exit; + + mutex_lock(&core->lock); + pm_runtime_resume_and_get(core->dev); + + if (core->state == VPU_CORE_DEINIT) { + if (vpu_iface_get_power_state(core)) + ret = vpu_core_restore(core); + else + ret = vpu_core_boot(core, true); + if (ret) { + pm_runtime_put_sync(core->dev); + mutex_unlock(&core->lock); + core = NULL; + goto exit; + } + } + + core->request_count++; + + mutex_unlock(&core->lock); +exit: + mutex_unlock(&vpu->lock); + + return core; +} + +void vpu_release_core(struct vpu_core *core) +{ + if (!core) + return; + + mutex_lock(&core->lock); + pm_runtime_put_sync(core->dev); + if (core->request_count) + core->request_count--; + mutex_unlock(&core->lock); +} + +int vpu_inst_register(struct vpu_inst *inst) +{ + struct vpu_dev *vpu; + struct vpu_core *core; + int ret = 0; + + vpu = inst->vpu; + core = inst->core; + if (!core) { + core = vpu_request_core(vpu, inst->type); + if (!core) { + dev_err(vpu->dev, "there is no vpu core for %s\n", + vpu_core_type_desc(inst->type)); + return -EINVAL; + } + inst->core = core; + inst->dev = get_device(core->dev); + } + + mutex_lock(&core->lock); + if (core->state != VPU_CORE_ACTIVE) { + dev_err(core->dev, "vpu core is not active, state = %d\n", core->state); + ret = -EINVAL; + goto exit; + } + + if (inst->id >= 0 && inst->id < core->supported_instance_count) + goto exit; + + ret = vpu_core_acquire_instance(core); + if (ret < 0) + goto exit; + + vpu_trace(inst->dev, "[%d] %p\n", ret, inst); + inst->id = ret; + list_add_tail(&inst->list, &core->instances); + ret = 0; + if (core->res->act_size) { + inst->act.phys = core->act.phys + core->res->act_size * inst->id; + inst->act.virt = core->act.virt + core->res->act_size * inst->id; + inst->act.length = core->res->act_size; + } + vpu_inst_create_dbgfs_file(inst); +exit: + mutex_unlock(&core->lock); + + if (ret) + dev_err(core->dev, "register instance fail\n"); + return ret; +} + +int vpu_inst_unregister(struct vpu_inst *inst) +{ + struct vpu_core *core; + + if (!inst->core) + return 0; + + core = inst->core; + vpu_clear_request(inst); + mutex_lock(&core->lock); + if (inst->id >= 0 && inst->id < core->supported_instance_count) { + vpu_inst_remove_dbgfs_file(inst); + list_del_init(&inst->list); + vpu_core_release_instance(core, inst->id); + inst->id = VPU_INST_NULL_ID; + } + vpu_core_update_state(core); + if (core->state == VPU_CORE_HANG && !core->instance_mask) { + int err; + + dev_info(core->dev, "reset hang core\n"); + mutex_unlock(&core->lock); + err = vpu_core_sw_reset(core); + mutex_lock(&core->lock); + if (!err) { + vpu_core_set_state(core, VPU_CORE_ACTIVE); + core->hang_mask = 0; + } + } + mutex_unlock(&core->lock); + + return 0; +} + +struct vpu_inst *vpu_core_find_instance(struct vpu_core *core, u32 index) +{ + struct vpu_inst *inst = NULL; + struct vpu_inst *tmp; + + mutex_lock(&core->lock); + if (index >= core->supported_instance_count || !test_bit(index, &core->instance_mask)) + goto exit; + list_for_each_entry(tmp, &core->instances, list) { + if (tmp->id == index) { + inst = vpu_inst_get(tmp); + break; + } + } +exit: + mutex_unlock(&core->lock); + + return inst; +} + +const struct vpu_core_resources *vpu_get_resource(struct vpu_inst *inst) +{ + struct vpu_dev *vpu; + struct vpu_core *core = NULL; + const struct vpu_core_resources *res = NULL; + + if (!inst || !inst->vpu) + return NULL; + + if (inst->core && inst->core->res) + return inst->core->res; + + vpu = inst->vpu; + mutex_lock(&vpu->lock); + list_for_each_entry(core, &vpu->cores, list) { + if (core->type == inst->type) { + res = core->res; + break; + } + } + mutex_unlock(&vpu->lock); + + return res; +} + +static int vpu_core_parse_dt(struct vpu_core *core, struct device_node *np) +{ + struct device_node *node; + struct resource res; + int ret; + + if (of_count_phandle_with_args(np, "memory-region", NULL) < 2) { + dev_err(core->dev, "need 2 memory-region for boot and rpc\n"); + return -ENODEV; + } + + node = of_parse_phandle(np, "memory-region", 0); + if (!node) { + dev_err(core->dev, "boot-region of_parse_phandle error\n"); + return -ENODEV; + } + if (of_address_to_resource(node, 0, &res)) { + dev_err(core->dev, "boot-region of_address_to_resource error\n"); + of_node_put(node); + return -EINVAL; + } + core->fw.phys = res.start; + core->fw.length = resource_size(&res); + + of_node_put(node); + + node = of_parse_phandle(np, "memory-region", 1); + if (!node) { + dev_err(core->dev, "rpc-region of_parse_phandle error\n"); + return -ENODEV; + } + if (of_address_to_resource(node, 0, &res)) { + dev_err(core->dev, "rpc-region of_address_to_resource error\n"); + of_node_put(node); + return -EINVAL; + } + core->rpc.phys = res.start; + core->rpc.length = resource_size(&res); + + if (core->rpc.length < core->res->rpc_size + core->res->fwlog_size) { + dev_err(core->dev, "the rpc-region <%pad, 0x%x> is not enough\n", + &core->rpc.phys, core->rpc.length); + of_node_put(node); + return -EINVAL; + } + + core->fw.virt = memremap(core->fw.phys, core->fw.length, MEMREMAP_WC); + core->rpc.virt = memremap(core->rpc.phys, core->rpc.length, MEMREMAP_WC); + memset(core->rpc.virt, 0, core->rpc.length); + + ret = vpu_iface_check_memory_region(core, core->rpc.phys, core->rpc.length); + if (ret != VPU_CORE_MEMORY_UNCACHED) { + dev_err(core->dev, "rpc region<%pad, 0x%x> isn't uncached\n", + &core->rpc.phys, core->rpc.length); + of_node_put(node); + return -EINVAL; + } + + core->log.phys = core->rpc.phys + core->res->rpc_size; + core->log.virt = core->rpc.virt + core->res->rpc_size; + core->log.length = core->res->fwlog_size; + core->act.phys = core->log.phys + core->log.length; + core->act.virt = core->log.virt + core->log.length; + core->act.length = core->rpc.length - core->res->rpc_size - core->log.length; + core->rpc.length = core->res->rpc_size; + + of_node_put(node); + + return 0; +} + +static int vpu_core_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct vpu_core *core; + struct vpu_dev *vpu = dev_get_drvdata(dev->parent); + struct vpu_shared_addr *iface; + u32 iface_data_size; + int ret; + + dev_dbg(dev, "probe\n"); + if (!vpu) + return -EINVAL; + core = devm_kzalloc(dev, sizeof(*core), GFP_KERNEL); + if (!core) + return -ENOMEM; + + core->pdev = pdev; + core->dev = dev; + platform_set_drvdata(pdev, core); + core->vpu = vpu; + INIT_LIST_HEAD(&core->instances); + mutex_init(&core->lock); + mutex_init(&core->cmd_lock); + init_completion(&core->cmp); + init_waitqueue_head(&core->ack_wq); + vpu_core_set_state(core, VPU_CORE_DEINIT); + + core->res = of_device_get_match_data(dev); + if (!core->res) + return -ENODEV; + + core->type = core->res->type; + core->id = of_alias_get_id(dev->of_node, "vpu-core"); + if (core->id < 0) { + dev_err(dev, "can't get vpu core id\n"); + return core->id; + } + dev_info(core->dev, "[%d] = %s\n", core->id, vpu_core_type_desc(core->type)); + ret = vpu_core_parse_dt(core, dev->of_node); + if (ret) + return ret; + + core->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(core->base)) + return PTR_ERR(core->base); + + if (!vpu_iface_check_codec(core)) { + dev_err(core->dev, "is not supported\n"); + return -EINVAL; + } + + ret = vpu_mbox_init(core); + if (ret) + return ret; + + iface = devm_kzalloc(dev, sizeof(*iface), GFP_KERNEL); + if (!iface) + return -ENOMEM; + + iface_data_size = vpu_iface_get_data_size(core); + if (iface_data_size) { + iface->priv = devm_kzalloc(dev, iface_data_size, GFP_KERNEL); + if (!iface->priv) + return -ENOMEM; + } + + ret = vpu_iface_init(core, iface, &core->rpc, core->fw.phys); + if (ret) { + dev_err(core->dev, "init iface fail, ret = %d\n", ret); + return ret; + } + + vpu_iface_config_system(core, vpu->res->mreg_base, vpu->base); + vpu_iface_set_log_buf(core, &core->log); + + pm_runtime_enable(dev); + ret = pm_runtime_resume_and_get(dev); + if (ret) { + pm_runtime_put_noidle(dev); + pm_runtime_set_suspended(dev); + goto err_runtime_disable; + } + + ret = vpu_core_register(dev->parent, core); + if (ret) + goto err_core_register; + core->parent = dev->parent; + + pm_runtime_put_sync(dev); + vpu_core_create_dbgfs_file(core); + + return 0; + +err_core_register: + pm_runtime_put_sync(dev); +err_runtime_disable: + pm_runtime_disable(dev); + + return ret; +} + +static void vpu_core_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct vpu_core *core = platform_get_drvdata(pdev); + int ret; + + vpu_core_remove_dbgfs_file(core); + ret = pm_runtime_resume_and_get(dev); + WARN_ON(ret < 0); + + vpu_core_shutdown(core); + pm_runtime_put_sync(dev); + pm_runtime_disable(dev); + + vpu_core_unregister(core->parent, core); + memunmap(core->fw.virt); + memunmap(core->rpc.virt); + mutex_destroy(&core->lock); + mutex_destroy(&core->cmd_lock); +} + +static int __maybe_unused vpu_core_runtime_resume(struct device *dev) +{ + struct vpu_core *core = dev_get_drvdata(dev); + + return vpu_mbox_request(core); +} + +static int __maybe_unused vpu_core_runtime_suspend(struct device *dev) +{ + struct vpu_core *core = dev_get_drvdata(dev); + + vpu_mbox_free(core); + return 0; +} + +static void vpu_core_cancel_work(struct vpu_core *core) +{ + struct vpu_inst *inst = NULL; + + cancel_work_sync(&core->msg_work); + cancel_delayed_work_sync(&core->msg_delayed_work); + + mutex_lock(&core->lock); + list_for_each_entry(inst, &core->instances, list) + cancel_work_sync(&inst->msg_work); + mutex_unlock(&core->lock); +} + +static void vpu_core_resume_work(struct vpu_core *core) +{ + struct vpu_inst *inst = NULL; + unsigned long delay = msecs_to_jiffies(10); + + queue_work(core->workqueue, &core->msg_work); + queue_delayed_work(core->workqueue, &core->msg_delayed_work, delay); + + mutex_lock(&core->lock); + list_for_each_entry(inst, &core->instances, list) + queue_work(inst->workqueue, &inst->msg_work); + mutex_unlock(&core->lock); +} + +static int __maybe_unused vpu_core_resume(struct device *dev) +{ + struct vpu_core *core = dev_get_drvdata(dev); + int ret = 0; + + mutex_lock(&core->lock); + pm_runtime_resume_and_get(dev); + vpu_core_get_vpu(core); + + if (core->request_count) { + if (!vpu_iface_get_power_state(core)) + ret = vpu_core_boot(core, false); + else + ret = vpu_core_sw_reset(core); + if (ret) { + dev_err(core->dev, "resume fail\n"); + vpu_core_set_state(core, VPU_CORE_HANG); + } + } + vpu_core_update_state(core); + pm_runtime_put_sync(dev); + mutex_unlock(&core->lock); + + vpu_core_resume_work(core); + return ret; +} + +static int __maybe_unused vpu_core_suspend(struct device *dev) +{ + struct vpu_core *core = dev_get_drvdata(dev); + int ret = 0; + + mutex_lock(&core->lock); + if (core->request_count) + ret = vpu_core_snapshot(core); + mutex_unlock(&core->lock); + if (ret) + return ret; + + vpu_core_cancel_work(core); + + mutex_lock(&core->lock); + vpu_core_put_vpu(core); + mutex_unlock(&core->lock); + return ret; +} + +static const struct dev_pm_ops vpu_core_pm_ops = { + SET_RUNTIME_PM_OPS(vpu_core_runtime_suspend, vpu_core_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(vpu_core_suspend, vpu_core_resume) +}; + +static struct vpu_core_resources imx8q_enc = { + .type = VPU_CORE_TYPE_ENC, + .fwname = "amphion/vpu/vpu_fw_imx8_enc.bin", + .stride = 16, + .max_width = 1920, + .max_height = 1920, + .min_width = 64, + .min_height = 48, + .step_width = 2, + .step_height = 2, + .rpc_size = 0x80000, + .fwlog_size = 0x80000, + .act_size = 0xc0000, +}; + +static struct vpu_core_resources imx8q_dec = { + .type = VPU_CORE_TYPE_DEC, + .fwname = "amphion/vpu/vpu_fw_imx8_dec.bin", + .stride = 256, + .max_width = 8188, + .max_height = 8188, + .min_width = 16, + .min_height = 16, + .step_width = 1, + .step_height = 1, + .rpc_size = 0x80000, + .fwlog_size = 0x80000, +}; + +static const struct of_device_id vpu_core_dt_match[] = { + { .compatible = "nxp,imx8q-vpu-encoder", .data = &imx8q_enc }, + { .compatible = "nxp,imx8q-vpu-decoder", .data = &imx8q_dec }, + {} +}; +MODULE_DEVICE_TABLE(of, vpu_core_dt_match); + +static struct platform_driver amphion_vpu_core_driver = { + .probe = vpu_core_probe, + .remove_new = vpu_core_remove, + .driver = { + .name = "amphion-vpu-core", + .of_match_table = vpu_core_dt_match, + .pm = &vpu_core_pm_ops, + }, +}; + +int __init vpu_core_driver_init(void) +{ + return platform_driver_register(&hion_vpu_core_driver); +} + +void __exit vpu_core_driver_exit(void) +{ + platform_driver_unregister(&hion_vpu_core_driver); +} |