1 files changed, 0 insertions, 455 deletions

diff --git a/sound/soc/intel/sst/sst_loader.c b/sound/soc/intel/sst/sst_loader.c
deleted file mode 100644
index 7888cd707853..000000000000
--- a/sound/soc/intel/sst/sst_loader.c
+++ /dev/null
@@ -1,455 +0,0 @@
-/*
- *  sst_dsp.c - Intel SST Driver for audio engine
- *
- *  Copyright (C) 2008-14	Intel Corp
- *  Authors:	Vinod Koul <vinod.koul@intel.com>
- *		Harsha Priya <priya.harsha@intel.com>
- *		Dharageswari R <dharageswari.r@intel.com>
- *		KP Jeeja <jeeja.kp@intel.com>
- *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; version 2 of the License.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  General Public License for more details.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  This file contains all dsp controlling functions like firmware download,
- * setting/resetting dsp cores, etc
- */
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/fs.h>
-#include <linux/sched.h>
-#include <linux/firmware.h>
-#include <linux/dmaengine.h>
-#include <linux/pm_runtime.h>
-#include <linux/pm_qos.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/compress_driver.h>
-#include <asm/platform_sst_audio.h>
-#include "../sst-mfld-platform.h"
-#include "sst.h"
-#include "../sst-dsp.h"
-
-static inline void memcpy32_toio(void __iomem *dst, const void *src, int count)
-{
-	/* __iowrite32_copy uses 32-bit count values so divide by 4 for
-	 * right count in words
-	 */
-	__iowrite32_copy(dst, src, count/4);
-}
-
-/**
- * intel_sst_reset_dsp_mrfld - Resetting SST DSP
- *
- * This resets DSP in case of MRFLD platfroms
- */
-int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *sst_drv_ctx)
-{
-	union config_status_reg_mrfld csr;
-
-	dev_dbg(sst_drv_ctx->dev, "sst: Resetting the DSP in mrfld\n");
-	csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
-
-	dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
-
-	csr.full |= 0x7;
-	sst_shim_write64(sst_drv_ctx->shim, SST_CSR, csr.full);
-	csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
-
-	dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
-
-	csr.full &= ~(0x1);
-	sst_shim_write64(sst_drv_ctx->shim, SST_CSR, csr.full);
-
-	csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
-	dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
-	return 0;
-}
-
-/**
- * sst_start_merrifield - Start the SST DSP processor
- *
- * This starts the DSP in MERRIFIELD platfroms
- */
-int sst_start_mrfld(struct intel_sst_drv *sst_drv_ctx)
-{
-	union config_status_reg_mrfld csr;
-
-	dev_dbg(sst_drv_ctx->dev, "sst: Starting the DSP in mrfld LALALALA\n");
-	csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
-	dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
-
-	csr.full |= 0x7;
-	sst_shim_write64(sst_drv_ctx->shim, SST_CSR, csr.full);
-
-	csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
-	dev_dbg(sst_drv_ctx->dev, "value:0x%llx\n", csr.full);
-
-	csr.part.xt_snoop = 1;
-	csr.full &= ~(0x5);
-	sst_shim_write64(sst_drv_ctx->shim, SST_CSR, csr.full);
-
-	csr.full = sst_shim_read64(sst_drv_ctx->shim, SST_CSR);
-	dev_dbg(sst_drv_ctx->dev, "sst: Starting the DSP_merrifield:%llx\n",
-			csr.full);
-	return 0;
-}
-
-static int sst_validate_fw_image(struct intel_sst_drv *ctx, unsigned long size,
-		struct fw_module_header **module, u32 *num_modules)
-{
-	struct sst_fw_header *header;
-	const void *sst_fw_in_mem = ctx->fw_in_mem;
-
-	dev_dbg(ctx->dev, "Enter\n");
-
-	/* Read the header information from the data pointer */
-	header = (struct sst_fw_header *)sst_fw_in_mem;
-	dev_dbg(ctx->dev,
-		"header sign=%s size=%x modules=%x fmt=%x size=%zx\n",
-		header->signature, header->file_size, header->modules,
-		header->file_format, sizeof(*header));
-
-	/* verify FW */
-	if ((strncmp(header->signature, SST_FW_SIGN, 4) != 0) ||
-		(size != header->file_size + sizeof(*header))) {
-		/* Invalid FW signature */
-		dev_err(ctx->dev, "InvalidFW sign/filesize mismatch\n");
-		return -EINVAL;
-	}
-	*num_modules = header->modules;
-	*module = (void *)sst_fw_in_mem + sizeof(*header);
-
-	return 0;
-}
-
-/*
- * sst_fill_memcpy_list - Fill the memcpy list
- *
- * @memcpy_list: List to be filled
- * @destn: Destination addr to be filled in the list
- * @src: Source addr to be filled in the list
- * @size: Size to be filled in the list
- *
- * Adds the node to the list after required fields
- * are populated in the node
- */
-static int sst_fill_memcpy_list(struct list_head *memcpy_list,
-			void *destn, const void *src, u32 size, bool is_io)
-{
-	struct sst_memcpy_list *listnode;
-
-	listnode = kzalloc(sizeof(*listnode), GFP_KERNEL);
-	if (listnode == NULL)
-		return -ENOMEM;
-	listnode->dstn = destn;
-	listnode->src = src;
-	listnode->size = size;
-	listnode->is_io = is_io;
-	list_add_tail(&listnode->memcpylist, memcpy_list);
-
-	return 0;
-}
-
-/**
- * sst_parse_module_memcpy - Parse audio FW modules and populate the memcpy list
- *
- * @sst_drv_ctx		: driver context
- * @module		: FW module header
- * @memcpy_list	: Pointer to the list to be populated
- * Create the memcpy list as the number of block to be copied
- * returns error or 0 if module sizes are proper
- */
-static int sst_parse_module_memcpy(struct intel_sst_drv *sst_drv_ctx,
-		struct fw_module_header *module, struct list_head *memcpy_list)
-{
-	struct fw_block_info *block;
-	u32 count;
-	int ret_val = 0;
-	void __iomem *ram_iomem;
-
-	dev_dbg(sst_drv_ctx->dev, "module sign %s size %x blocks %x type %x\n",
-			module->signature, module->mod_size,
-			module->blocks, module->type);
-	dev_dbg(sst_drv_ctx->dev, "module entrypoint 0x%x\n", module->entry_point);
-
-	block = (void *)module + sizeof(*module);
-
-	for (count = 0; count < module->blocks; count++) {
-		if (block->size <= 0) {
-			dev_err(sst_drv_ctx->dev, "block size invalid\n");
-			return -EINVAL;
-		}
-		switch (block->type) {
-		case SST_IRAM:
-			ram_iomem = sst_drv_ctx->iram;
-			break;
-		case SST_DRAM:
-			ram_iomem = sst_drv_ctx->dram;
-			break;
-		case SST_DDR:
-			ram_iomem = sst_drv_ctx->ddr;
-			break;
-		case SST_CUSTOM_INFO:
-			block = (void *)block + sizeof(*block) + block->size;
-			continue;
-		default:
-			dev_err(sst_drv_ctx->dev, "wrong ram type0x%x in block0x%x\n",
-					block->type, count);
-			return -EINVAL;
-		}
-
-		ret_val = sst_fill_memcpy_list(memcpy_list,
-				ram_iomem + block->ram_offset,
-				(void *)block + sizeof(*block), block->size, 1);
-		if (ret_val)
-			return ret_val;
-
-		block = (void *)block + sizeof(*block) + block->size;
-	}
-	return 0;
-}
-
-/**
- * sst_parse_fw_memcpy - parse the firmware image & populate the list for memcpy
- *
- * @ctx			: pointer to drv context
- * @size		: size of the firmware
- * @fw_list		: pointer to list_head to be populated
- * This function parses the FW image and saves the parsed image in the list
- * for memcpy
- */
-static int sst_parse_fw_memcpy(struct intel_sst_drv *ctx, unsigned long size,
-				struct list_head *fw_list)
-{
-	struct fw_module_header *module;
-	u32 count, num_modules;
-	int ret_val;
-
-	ret_val = sst_validate_fw_image(ctx, size, &module, &num_modules);
-	if (ret_val)
-		return ret_val;
-
-	for (count = 0; count < num_modules; count++) {
-		ret_val = sst_parse_module_memcpy(ctx, module, fw_list);
-		if (ret_val)
-			return ret_val;
-		module = (void *)module + sizeof(*module) + module->mod_size;
-	}
-
-	return 0;
-}
-
-/**
- * sst_do_memcpy - function initiates the memcpy
- *
- * @memcpy_list: Pter to memcpy list on which the memcpy needs to be initiated
- *
- * Triggers the memcpy
- */
-static void sst_do_memcpy(struct list_head *memcpy_list)
-{
-	struct sst_memcpy_list *listnode;
-
-	list_for_each_entry(listnode, memcpy_list, memcpylist) {
-		if (listnode->is_io == true)
-			memcpy32_toio((void __iomem *)listnode->dstn,
-					listnode->src, listnode->size);
-		else
-			memcpy(listnode->dstn, listnode->src, listnode->size);
-	}
-}
-
-void sst_memcpy_free_resources(struct intel_sst_drv *sst_drv_ctx)
-{
-	struct sst_memcpy_list *listnode, *tmplistnode;
-
-	/* Free the list */
-	if (!list_empty(&sst_drv_ctx->memcpy_list)) {
-		list_for_each_entry_safe(listnode, tmplistnode,
-				&sst_drv_ctx->memcpy_list, memcpylist) {
-			list_del(&listnode->memcpylist);
-			kfree(listnode);
-		}
-	}
-}
-
-static int sst_cache_and_parse_fw(struct intel_sst_drv *sst,
-		const struct firmware *fw)
-{
-	int retval = 0;
-
-	sst->fw_in_mem = kzalloc(fw->size, GFP_KERNEL);
-	if (!sst->fw_in_mem) {
-		retval = -ENOMEM;
-		goto end_release;
-	}
-	dev_dbg(sst->dev, "copied fw to %p", sst->fw_in_mem);
-	dev_dbg(sst->dev, "phys: %lx", (unsigned long)virt_to_phys(sst->fw_in_mem));
-	memcpy(sst->fw_in_mem, fw->data, fw->size);
-	retval = sst_parse_fw_memcpy(sst, fw->size, &sst->memcpy_list);
-	if (retval) {
-		dev_err(sst->dev, "Failed to parse fw\n");
-		kfree(sst->fw_in_mem);
-		sst->fw_in_mem = NULL;
-	}
-
-end_release:
-	release_firmware(fw);
-	return retval;
-
-}
-
-void sst_firmware_load_cb(const struct firmware *fw, void *context)
-{
-	struct intel_sst_drv *ctx = context;
-
-	dev_dbg(ctx->dev, "Enter\n");
-
-	if (fw == NULL) {
-		dev_err(ctx->dev, "request fw failed\n");
-		return;
-	}
-
-	mutex_lock(&ctx->sst_lock);
-
-	if (ctx->sst_state != SST_RESET ||
-			ctx->fw_in_mem != NULL) {
-		release_firmware(fw);
-		mutex_unlock(&ctx->sst_lock);
-		return;
-	}
-
-	dev_dbg(ctx->dev, "Request Fw completed\n");
-	sst_cache_and_parse_fw(ctx, fw);
-	mutex_unlock(&ctx->sst_lock);
-}
-
-/*
- * sst_request_fw - requests audio fw from kernel and saves a copy
- *
- * This function requests the SST FW from the kernel, parses it and
- * saves a copy in the driver context
- */
-static int sst_request_fw(struct intel_sst_drv *sst)
-{
-	int retval = 0;
-	const struct firmware *fw;
-
-	retval = request_firmware(&fw, sst->firmware_name, sst->dev);
-	if (fw == NULL) {
-		dev_err(sst->dev, "fw is returning as null\n");
-		return -EINVAL;
-	}
-	if (retval) {
-		dev_err(sst->dev, "request fw failed %d\n", retval);
-		return retval;
-	}
-	mutex_lock(&sst->sst_lock);
-	retval = sst_cache_and_parse_fw(sst, fw);
-	mutex_unlock(&sst->sst_lock);
-
-	return retval;
-}
-
-/*
- * Writing the DDR physical base to DCCM offset
- * so that FW can use it to setup TLB
- */
-static void sst_dccm_config_write(void __iomem *dram_base,
-		unsigned int ddr_base)
-{
-	void __iomem *addr;
-	u32 bss_reset = 0;
-
-	addr = (void __iomem *)(dram_base + MRFLD_FW_DDR_BASE_OFFSET);
-	memcpy32_toio(addr, (void *)&ddr_base, sizeof(u32));
-	bss_reset |= (1 << MRFLD_FW_BSS_RESET_BIT);
-	addr = (void __iomem *)(dram_base + MRFLD_FW_FEATURE_BASE_OFFSET);
-	memcpy32_toio(addr, &bss_reset, sizeof(u32));
-
-}
-
-void sst_post_download_mrfld(struct intel_sst_drv *ctx)
-{
-	sst_dccm_config_write(ctx->dram, ctx->ddr_base);
-	dev_dbg(ctx->dev, "config written to DCCM\n");
-}
-
-/**
- * sst_load_fw - function to load FW into DSP
- * Transfers the FW to DSP using dma/memcpy
- */
-int sst_load_fw(struct intel_sst_drv *sst_drv_ctx)
-{
-	int ret_val = 0;
-	struct sst_block *block;
-
-	dev_dbg(sst_drv_ctx->dev, "sst_load_fw\n");
-
-	if (sst_drv_ctx->sst_state !=  SST_RESET ||
-			sst_drv_ctx->sst_state == SST_SHUTDOWN)
-		return -EAGAIN;
-
-	if (!sst_drv_ctx->fw_in_mem) {
-		dev_dbg(sst_drv_ctx->dev, "sst: FW not in memory retry to download\n");
-		ret_val = sst_request_fw(sst_drv_ctx);
-		if (ret_val)
-			return ret_val;
-	}
-
-	BUG_ON(!sst_drv_ctx->fw_in_mem);
-	block = sst_create_block(sst_drv_ctx, 0, FW_DWNL_ID);
-	if (block == NULL)
-		return -ENOMEM;
-
-	/* Prevent C-states beyond C6 */
-	pm_qos_update_request(sst_drv_ctx->qos, 0);
-
-	sst_drv_ctx->sst_state = SST_FW_LOADING;
-
-	ret_val = sst_drv_ctx->ops->reset(sst_drv_ctx);
-	if (ret_val)
-		goto restore;
-
-	sst_do_memcpy(&sst_drv_ctx->memcpy_list);
-
-	/* Write the DRAM/DCCM config before enabling FW */
-	if (sst_drv_ctx->ops->post_download)
-		sst_drv_ctx->ops->post_download(sst_drv_ctx);
-
-	/* bring sst out of reset */
-	ret_val = sst_drv_ctx->ops->start(sst_drv_ctx);
-	if (ret_val)
-		goto restore;
-
-	ret_val = sst_wait_timeout(sst_drv_ctx, block);
-	if (ret_val) {
-		dev_err(sst_drv_ctx->dev, "fw download failed %d\n" , ret_val);
-		/* FW download failed due to timeout */
-		ret_val = -EBUSY;
-
-	}
-
-
-restore:
-	/* Re-enable Deeper C-states beyond C6 */
-	pm_qos_update_request(sst_drv_ctx->qos, PM_QOS_DEFAULT_VALUE);
-	sst_free_block(sst_drv_ctx, block);
-	dev_dbg(sst_drv_ctx->dev, "fw load successful!!!\n");
-
-	if (sst_drv_ctx->ops->restore_dsp_context)
-		sst_drv_ctx->ops->restore_dsp_context();
-	sst_drv_ctx->sst_state = SST_FW_RUNNING;
-	return ret_val;
-}
-