diff options
Diffstat (limited to 'sound/soc/intel/skylake/skl-sst.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl-sst.c | 599 |
1 files changed, 0 insertions, 599 deletions
diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c deleted file mode 100644 index 39d027ac16ec..000000000000 --- a/sound/soc/intel/skylake/skl-sst.c +++ /dev/null @@ -1,599 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * skl-sst.c - HDA DSP library functions for SKL platform - * - * Copyright (C) 2014-15, Intel Corporation. - * Author:Rafal Redzimski <rafal.f.redzimski@intel.com> - * Jeeja KP <jeeja.kp@intel.com> - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - */ - -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/err.h> -#include <linux/uuid.h> -#include "../common/sst-dsp.h" -#include "../common/sst-dsp-priv.h" -#include "../common/sst-ipc.h" -#include "skl.h" - -#define SKL_BASEFW_TIMEOUT 300 -#define SKL_INIT_TIMEOUT 1000 - -/* Intel HD Audio SRAM Window 0*/ -#define SKL_ADSP_SRAM0_BASE 0x8000 - -/* Firmware status window */ -#define SKL_ADSP_FW_STATUS SKL_ADSP_SRAM0_BASE -#define SKL_ADSP_ERROR_CODE (SKL_ADSP_FW_STATUS + 0x4) - -#define SKL_NUM_MODULES 1 - -static bool skl_check_fw_status(struct sst_dsp *ctx, u32 status) -{ - u32 cur_sts; - - cur_sts = sst_dsp_shim_read(ctx, SKL_ADSP_FW_STATUS) & SKL_FW_STS_MASK; - - return (cur_sts == status); -} - -static int skl_transfer_firmware(struct sst_dsp *ctx, - const void *basefw, u32 base_fw_size) -{ - int ret = 0; - - ret = ctx->cl_dev.ops.cl_copy_to_dmabuf(ctx, basefw, base_fw_size, - true); - if (ret < 0) - return ret; - - ret = sst_dsp_register_poll(ctx, - SKL_ADSP_FW_STATUS, - SKL_FW_STS_MASK, - SKL_FW_RFW_START, - SKL_BASEFW_TIMEOUT, - "Firmware boot"); - - ctx->cl_dev.ops.cl_stop_dma(ctx); - - return ret; -} - -#define SKL_ADSP_FW_BIN_HDR_OFFSET 0x284 - -static int skl_load_base_firmware(struct sst_dsp *ctx) -{ - int ret = 0, i; - struct skl_dev *skl = ctx->thread_context; - struct firmware stripped_fw; - u32 reg; - - skl->boot_complete = false; - init_waitqueue_head(&skl->boot_wait); - - if (ctx->fw == NULL) { - ret = request_firmware(&ctx->fw, ctx->fw_name, ctx->dev); - if (ret < 0) { - dev_err(ctx->dev, "Request firmware failed %d\n", ret); - return -EIO; - } - } - - /* prase uuids on first boot */ - if (skl->is_first_boot) { - ret = snd_skl_parse_uuids(ctx, ctx->fw, SKL_ADSP_FW_BIN_HDR_OFFSET, 0); - if (ret < 0) { - dev_err(ctx->dev, "UUID parsing err: %d\n", ret); - release_firmware(ctx->fw); - skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK); - return ret; - } - } - - /* check for extended manifest */ - stripped_fw.data = ctx->fw->data; - stripped_fw.size = ctx->fw->size; - - skl_dsp_strip_extended_manifest(&stripped_fw); - - ret = skl_dsp_boot(ctx); - if (ret < 0) { - dev_err(ctx->dev, "Boot dsp core failed ret: %d\n", ret); - goto skl_load_base_firmware_failed; - } - - ret = skl_cldma_prepare(ctx); - if (ret < 0) { - dev_err(ctx->dev, "CL dma prepare failed : %d\n", ret); - goto skl_load_base_firmware_failed; - } - - /* enable Interrupt */ - skl_ipc_int_enable(ctx); - skl_ipc_op_int_enable(ctx); - - /* check ROM Status */ - for (i = SKL_INIT_TIMEOUT; i > 0; --i) { - if (skl_check_fw_status(ctx, SKL_FW_INIT)) { - dev_dbg(ctx->dev, - "ROM loaded, we can continue with FW loading\n"); - break; - } - mdelay(1); - } - if (!i) { - reg = sst_dsp_shim_read(ctx, SKL_ADSP_FW_STATUS); - dev_err(ctx->dev, - "Timeout waiting for ROM init done, reg:0x%x\n", reg); - ret = -EIO; - goto transfer_firmware_failed; - } - - ret = skl_transfer_firmware(ctx, stripped_fw.data, stripped_fw.size); - if (ret < 0) { - dev_err(ctx->dev, "Transfer firmware failed%d\n", ret); - goto transfer_firmware_failed; - } else { - ret = wait_event_timeout(skl->boot_wait, skl->boot_complete, - msecs_to_jiffies(SKL_IPC_BOOT_MSECS)); - if (ret == 0) { - dev_err(ctx->dev, "DSP boot failed, FW Ready timed-out\n"); - ret = -EIO; - goto transfer_firmware_failed; - } - - dev_dbg(ctx->dev, "Download firmware successful%d\n", ret); - skl->fw_loaded = true; - } - return 0; -transfer_firmware_failed: - ctx->cl_dev.ops.cl_cleanup_controller(ctx); -skl_load_base_firmware_failed: - skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK); - release_firmware(ctx->fw); - ctx->fw = NULL; - return ret; -} - -static int skl_set_dsp_D0(struct sst_dsp *ctx, unsigned int core_id) -{ - int ret; - struct skl_ipc_dxstate_info dx; - struct skl_dev *skl = ctx->thread_context; - unsigned int core_mask = SKL_DSP_CORE_MASK(core_id); - - /* If core0 is being turned on, we need to load the FW */ - if (core_id == SKL_DSP_CORE0_ID) { - ret = skl_load_base_firmware(ctx); - if (ret < 0) { - dev_err(ctx->dev, "unable to load firmware\n"); - return ret; - } - - /* load libs as they are also lost on D3 */ - if (skl->lib_count > 1) { - ret = ctx->fw_ops.load_library(ctx, skl->lib_info, - skl->lib_count); - if (ret < 0) { - dev_err(ctx->dev, "reload libs failed: %d\n", - ret); - return ret; - } - - } - } - - /* - * If any core other than core 0 is being moved to D0, enable the - * core and send the set dx IPC for the core. - */ - if (core_id != SKL_DSP_CORE0_ID) { - ret = skl_dsp_enable_core(ctx, core_mask); - if (ret < 0) - return ret; - - dx.core_mask = core_mask; - dx.dx_mask = core_mask; - - ret = skl_ipc_set_dx(&skl->ipc, SKL_INSTANCE_ID, - SKL_BASE_FW_MODULE_ID, &dx); - if (ret < 0) { - dev_err(ctx->dev, "Failed to set dsp to D0:core id= %d\n", - core_id); - skl_dsp_disable_core(ctx, core_mask); - } - } - - skl->cores.state[core_id] = SKL_DSP_RUNNING; - - return 0; -} - -static int skl_set_dsp_D3(struct sst_dsp *ctx, unsigned int core_id) -{ - int ret; - struct skl_ipc_dxstate_info dx; - struct skl_dev *skl = ctx->thread_context; - unsigned int core_mask = SKL_DSP_CORE_MASK(core_id); - - dx.core_mask = core_mask; - dx.dx_mask = SKL_IPC_D3_MASK; - - ret = skl_ipc_set_dx(&skl->ipc, SKL_INSTANCE_ID, SKL_BASE_FW_MODULE_ID, &dx); - if (ret < 0) - dev_err(ctx->dev, "set Dx core %d fail: %d\n", core_id, ret); - - if (core_id == SKL_DSP_CORE0_ID) { - /* disable Interrupt */ - ctx->cl_dev.ops.cl_cleanup_controller(ctx); - skl_cldma_int_disable(ctx); - skl_ipc_op_int_disable(ctx); - skl_ipc_int_disable(ctx); - } - - ret = skl_dsp_disable_core(ctx, core_mask); - if (ret < 0) - return ret; - - skl->cores.state[core_id] = SKL_DSP_RESET; - return ret; -} - -static unsigned int skl_get_errorcode(struct sst_dsp *ctx) -{ - return sst_dsp_shim_read(ctx, SKL_ADSP_ERROR_CODE); -} - -/* - * since get/set_module are called from DAPM context, - * we don't need lock for usage count - */ -static int skl_get_module(struct sst_dsp *ctx, u16 mod_id) -{ - struct skl_module_table *module; - - list_for_each_entry(module, &ctx->module_list, list) { - if (module->mod_info->mod_id == mod_id) - return ++module->usage_cnt; - } - - return -EINVAL; -} - -static int skl_put_module(struct sst_dsp *ctx, u16 mod_id) -{ - struct skl_module_table *module; - - list_for_each_entry(module, &ctx->module_list, list) { - if (module->mod_info->mod_id == mod_id) - return --module->usage_cnt; - } - - return -EINVAL; -} - -static struct skl_module_table *skl_fill_module_table(struct sst_dsp *ctx, - char *mod_name, int mod_id) -{ - const struct firmware *fw; - struct skl_module_table *skl_module; - unsigned int size; - int ret; - - ret = request_firmware(&fw, mod_name, ctx->dev); - if (ret < 0) { - dev_err(ctx->dev, "Request Module %s failed :%d\n", - mod_name, ret); - return NULL; - } - - skl_module = devm_kzalloc(ctx->dev, sizeof(*skl_module), GFP_KERNEL); - if (skl_module == NULL) { - release_firmware(fw); - return NULL; - } - - size = sizeof(*skl_module->mod_info); - skl_module->mod_info = devm_kzalloc(ctx->dev, size, GFP_KERNEL); - if (skl_module->mod_info == NULL) { - release_firmware(fw); - return NULL; - } - - skl_module->mod_info->mod_id = mod_id; - skl_module->mod_info->fw = fw; - list_add(&skl_module->list, &ctx->module_list); - - return skl_module; -} - -/* get a module from it's unique ID */ -static struct skl_module_table *skl_module_get_from_id( - struct sst_dsp *ctx, u16 mod_id) -{ - struct skl_module_table *module; - - if (list_empty(&ctx->module_list)) { - dev_err(ctx->dev, "Module list is empty\n"); - return NULL; - } - - list_for_each_entry(module, &ctx->module_list, list) { - if (module->mod_info->mod_id == mod_id) - return module; - } - - return NULL; -} - -static int skl_transfer_module(struct sst_dsp *ctx, const void *data, - u32 size, u16 mod_id, u8 table_id, bool is_module) -{ - int ret, bytes_left, curr_pos; - struct skl_dev *skl = ctx->thread_context; - skl->mod_load_complete = false; - - bytes_left = ctx->cl_dev.ops.cl_copy_to_dmabuf(ctx, data, size, false); - if (bytes_left < 0) - return bytes_left; - - /* check is_module flag to load module or library */ - if (is_module) - ret = skl_ipc_load_modules(&skl->ipc, SKL_NUM_MODULES, &mod_id); - else - ret = skl_sst_ipc_load_library(&skl->ipc, 0, table_id, false); - - if (ret < 0) { - dev_err(ctx->dev, "Failed to Load %s with err %d\n", - is_module ? "module" : "lib", ret); - goto out; - } - - /* - * if bytes_left > 0 then wait for BDL complete interrupt and - * copy the next chunk till bytes_left is 0. if bytes_left is - * zero, then wait for load module IPC reply - */ - while (bytes_left > 0) { - curr_pos = size - bytes_left; - - ret = skl_cldma_wait_interruptible(ctx); - if (ret < 0) - goto out; - - bytes_left = ctx->cl_dev.ops.cl_copy_to_dmabuf(ctx, - data + curr_pos, - bytes_left, false); - } - - ret = wait_event_timeout(skl->mod_load_wait, skl->mod_load_complete, - msecs_to_jiffies(SKL_IPC_BOOT_MSECS)); - if (ret == 0 || !skl->mod_load_status) { - dev_err(ctx->dev, "Module Load failed\n"); - ret = -EIO; - } - -out: - ctx->cl_dev.ops.cl_stop_dma(ctx); - - return ret; -} - -static int -skl_load_library(struct sst_dsp *ctx, struct skl_lib_info *linfo, int lib_count) -{ - struct skl_dev *skl = ctx->thread_context; - struct firmware stripped_fw; - int ret, i; - - /* library indices start from 1 to N. 0 represents base FW */ - for (i = 1; i < lib_count; i++) { - ret = skl_prepare_lib_load(skl, &skl->lib_info[i], &stripped_fw, - SKL_ADSP_FW_BIN_HDR_OFFSET, i); - if (ret < 0) - goto load_library_failed; - ret = skl_transfer_module(ctx, stripped_fw.data, - stripped_fw.size, 0, i, false); - if (ret < 0) - goto load_library_failed; - } - - return 0; - -load_library_failed: - skl_release_library(linfo, lib_count); - return ret; -} - -static int skl_load_module(struct sst_dsp *ctx, u16 mod_id, u8 *guid) -{ - struct skl_module_table *module_entry = NULL; - int ret = 0; - char mod_name[64]; /* guid str = 32 chars + 4 hyphens */ - - snprintf(mod_name, sizeof(mod_name), "intel/dsp_fw_%pUL.bin", guid); - - module_entry = skl_module_get_from_id(ctx, mod_id); - if (module_entry == NULL) { - module_entry = skl_fill_module_table(ctx, mod_name, mod_id); - if (module_entry == NULL) { - dev_err(ctx->dev, "Failed to Load module\n"); - return -EINVAL; - } - } - - if (!module_entry->usage_cnt) { - ret = skl_transfer_module(ctx, module_entry->mod_info->fw->data, - module_entry->mod_info->fw->size, - mod_id, 0, true); - if (ret < 0) { - dev_err(ctx->dev, "Failed to Load module\n"); - return ret; - } - } - - ret = skl_get_module(ctx, mod_id); - - return ret; -} - -static int skl_unload_module(struct sst_dsp *ctx, u16 mod_id) -{ - int usage_cnt; - struct skl_dev *skl = ctx->thread_context; - int ret = 0; - - usage_cnt = skl_put_module(ctx, mod_id); - if (usage_cnt < 0) { - dev_err(ctx->dev, "Module bad usage cnt!:%d\n", usage_cnt); - return -EIO; - } - - /* if module is used by others return, no need to unload */ - if (usage_cnt > 0) - return 0; - - ret = skl_ipc_unload_modules(&skl->ipc, - SKL_NUM_MODULES, &mod_id); - if (ret < 0) { - dev_err(ctx->dev, "Failed to UnLoad module\n"); - skl_get_module(ctx, mod_id); - return ret; - } - - return ret; -} - -void skl_clear_module_cnt(struct sst_dsp *ctx) -{ - struct skl_module_table *module; - - if (list_empty(&ctx->module_list)) - return; - - list_for_each_entry(module, &ctx->module_list, list) { - module->usage_cnt = 0; - } -} -EXPORT_SYMBOL_GPL(skl_clear_module_cnt); - -static void skl_clear_module_table(struct sst_dsp *ctx) -{ - struct skl_module_table *module, *tmp; - - if (list_empty(&ctx->module_list)) - return; - - list_for_each_entry_safe(module, tmp, &ctx->module_list, list) { - list_del(&module->list); - release_firmware(module->mod_info->fw); - } -} - -static const struct skl_dsp_fw_ops skl_fw_ops = { - .set_state_D0 = skl_set_dsp_D0, - .set_state_D3 = skl_set_dsp_D3, - .load_fw = skl_load_base_firmware, - .get_fw_errcode = skl_get_errorcode, - .load_library = skl_load_library, - .load_mod = skl_load_module, - .unload_mod = skl_unload_module, -}; - -static struct sst_ops skl_ops = { - .irq_handler = skl_dsp_sst_interrupt, - .write = sst_shim32_write, - .read = sst_shim32_read, - .free = skl_dsp_free, -}; - -static struct sst_dsp_device skl_dev = { - .thread = skl_dsp_irq_thread_handler, - .ops = &skl_ops, -}; - -int skl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq, - const char *fw_name, struct skl_dsp_loader_ops dsp_ops, - struct skl_dev **dsp) -{ - struct skl_dev *skl; - struct sst_dsp *sst; - int ret; - - ret = skl_sst_ctx_init(dev, irq, fw_name, dsp_ops, dsp, &skl_dev); - if (ret < 0) { - dev_err(dev, "%s: no device\n", __func__); - return ret; - } - - skl = *dsp; - sst = skl->dsp; - sst->addr.lpe = mmio_base; - sst->addr.shim = mmio_base; - sst->addr.sram0_base = SKL_ADSP_SRAM0_BASE; - sst->addr.sram1_base = SKL_ADSP_SRAM1_BASE; - sst->addr.w0_stat_sz = SKL_ADSP_W0_STAT_SZ; - sst->addr.w0_up_sz = SKL_ADSP_W0_UP_SZ; - - sst_dsp_mailbox_init(sst, (SKL_ADSP_SRAM0_BASE + SKL_ADSP_W0_STAT_SZ), - SKL_ADSP_W0_UP_SZ, SKL_ADSP_SRAM1_BASE, SKL_ADSP_W1_SZ); - - ret = skl_ipc_init(dev, skl); - if (ret) { - skl_dsp_free(sst); - return ret; - } - - sst->fw_ops = skl_fw_ops; - - return skl_dsp_acquire_irq(sst); -} -EXPORT_SYMBOL_GPL(skl_sst_dsp_init); - -int skl_sst_init_fw(struct device *dev, struct skl_dev *skl) -{ - int ret; - struct sst_dsp *sst = skl->dsp; - - ret = sst->fw_ops.load_fw(sst); - if (ret < 0) { - dev_err(dev, "Load base fw failed : %d\n", ret); - return ret; - } - - skl_dsp_init_core_state(sst); - - if (skl->lib_count > 1) { - ret = sst->fw_ops.load_library(sst, skl->lib_info, - skl->lib_count); - if (ret < 0) { - dev_err(dev, "Load Library failed : %x\n", ret); - return ret; - } - } - skl->is_first_boot = false; - - return 0; -} -EXPORT_SYMBOL_GPL(skl_sst_init_fw); - -void skl_sst_dsp_cleanup(struct device *dev, struct skl_dev *skl) -{ - - if (skl->dsp->fw) - release_firmware(skl->dsp->fw); - skl_clear_module_table(skl->dsp); - skl_freeup_uuid_list(skl); - skl_ipc_free(&skl->ipc); - skl->dsp->ops->free(skl->dsp); - if (skl->boot_complete) { - skl->dsp->cl_dev.ops.cl_cleanup_controller(skl->dsp); - skl_cldma_int_disable(skl->dsp); - } -} -EXPORT_SYMBOL_GPL(skl_sst_dsp_cleanup); - -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("Intel Skylake IPC driver"); |