2
0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-04 20:19:47 +08:00
linux/sound/soc/intel/atom/sst/sst_pci.c
Amadeusz Sławiński 2218e10e6f ASoC: Intel: sst: Convert to PCI device IDs defines
Use PCI device IDs from pci_ids.h header. BSW replaces CHV, as 0x22a8
was added in PCI header as BSW ID for consistency, as they are same
(similar) platforms. The ACPI IDs are used only internally and lower
16 bits uniquely define the device as vendor ID for Intel is 8086 for
all of them. Use PCI_DEVICE_DATA() to match PCI device to be consistent
with other Intel audio drivers.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20230717114511.484999-16-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-07-18 14:22:25 +02:00

201 lines
5.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_pci.c - SST (LPE) driver init file for pci enumeration.
*
* 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>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/fs.h>
#include <linux/firmware.h>
#include <sound/core.h>
#include <sound/soc.h>
#include <asm/platform_sst_audio.h>
#include "../sst-mfld-platform.h"
#include "sst.h"
static int sst_platform_get_resources(struct intel_sst_drv *ctx)
{
int ddr_base, ret = 0;
struct pci_dev *pci = ctx->pci;
ret = pci_request_regions(pci, SST_DRV_NAME);
if (ret)
return ret;
/* map registers */
/* DDR base */
if (ctx->dev_id == PCI_DEVICE_ID_INTEL_SST_TNG) {
ctx->ddr_base = pci_resource_start(pci, 0);
/* check that the relocated IMR base matches with FW Binary */
ddr_base = relocate_imr_addr_mrfld(ctx->ddr_base);
if (!ctx->pdata->lib_info) {
dev_err(ctx->dev, "lib_info pointer NULL\n");
ret = -EINVAL;
goto do_release_regions;
}
if (ddr_base != ctx->pdata->lib_info->mod_base) {
dev_err(ctx->dev,
"FW LSP DDR BASE does not match with IFWI\n");
ret = -EINVAL;
goto do_release_regions;
}
ctx->ddr_end = pci_resource_end(pci, 0);
ctx->ddr = pcim_iomap(pci, 0,
pci_resource_len(pci, 0));
if (!ctx->ddr) {
ret = -EINVAL;
goto do_release_regions;
}
dev_dbg(ctx->dev, "sst: DDR Ptr %p\n", ctx->ddr);
} else {
ctx->ddr = NULL;
}
/* SHIM */
ctx->shim_phy_add = pci_resource_start(pci, 1);
ctx->shim = pcim_iomap(pci, 1, pci_resource_len(pci, 1));
if (!ctx->shim) {
ret = -EINVAL;
goto do_release_regions;
}
dev_dbg(ctx->dev, "SST Shim Ptr %p\n", ctx->shim);
/* Shared SRAM */
ctx->mailbox_add = pci_resource_start(pci, 2);
ctx->mailbox = pcim_iomap(pci, 2, pci_resource_len(pci, 2));
if (!ctx->mailbox) {
ret = -EINVAL;
goto do_release_regions;
}
dev_dbg(ctx->dev, "SRAM Ptr %p\n", ctx->mailbox);
/* IRAM */
ctx->iram_end = pci_resource_end(pci, 3);
ctx->iram_base = pci_resource_start(pci, 3);
ctx->iram = pcim_iomap(pci, 3, pci_resource_len(pci, 3));
if (!ctx->iram) {
ret = -EINVAL;
goto do_release_regions;
}
dev_dbg(ctx->dev, "IRAM Ptr %p\n", ctx->iram);
/* DRAM */
ctx->dram_end = pci_resource_end(pci, 4);
ctx->dram_base = pci_resource_start(pci, 4);
ctx->dram = pcim_iomap(pci, 4, pci_resource_len(pci, 4));
if (!ctx->dram) {
ret = -EINVAL;
goto do_release_regions;
}
dev_dbg(ctx->dev, "DRAM Ptr %p\n", ctx->dram);
do_release_regions:
pci_release_regions(pci);
return ret;
}
/*
* intel_sst_probe - PCI probe function
*
* @pci: PCI device structure
* @pci_id: PCI device ID structure
*
*/
static int intel_sst_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
int ret = 0;
struct intel_sst_drv *sst_drv_ctx;
struct sst_platform_info *sst_pdata = pci->dev.platform_data;
dev_dbg(&pci->dev, "Probe for DID %x\n", pci->device);
ret = sst_alloc_drv_context(&sst_drv_ctx, &pci->dev, pci->device);
if (ret < 0)
return ret;
sst_drv_ctx->pdata = sst_pdata;
sst_drv_ctx->irq_num = pci->irq;
snprintf(sst_drv_ctx->firmware_name, sizeof(sst_drv_ctx->firmware_name),
"%s%04x%s", "fw_sst_",
sst_drv_ctx->dev_id, ".bin");
ret = sst_context_init(sst_drv_ctx);
if (ret < 0)
return ret;
/* Init the device */
ret = pcim_enable_device(pci);
if (ret) {
dev_err(sst_drv_ctx->dev,
"device can't be enabled. Returned err: %d\n", ret);
goto do_free_drv_ctx;
}
sst_drv_ctx->pci = pci_dev_get(pci);
ret = sst_platform_get_resources(sst_drv_ctx);
if (ret < 0)
goto do_free_drv_ctx;
pci_set_drvdata(pci, sst_drv_ctx);
sst_configure_runtime_pm(sst_drv_ctx);
return ret;
do_free_drv_ctx:
sst_context_cleanup(sst_drv_ctx);
dev_err(sst_drv_ctx->dev, "Probe failed with %d\n", ret);
return ret;
}
/**
* intel_sst_remove - PCI remove function
*
* @pci: PCI device structure
*
* This function is called by OS when a device is unloaded
* This frees the interrupt etc
*/
static void intel_sst_remove(struct pci_dev *pci)
{
struct intel_sst_drv *sst_drv_ctx = pci_get_drvdata(pci);
sst_context_cleanup(sst_drv_ctx);
pci_dev_put(sst_drv_ctx->pci);
pci_release_regions(pci);
pci_set_drvdata(pci, NULL);
}
/* PCI Routines */
static const struct pci_device_id intel_sst_ids[] = {
{ PCI_DEVICE_DATA(INTEL, SST_TNG, 0) },
{ 0, }
};
static struct pci_driver sst_driver = {
.name = SST_DRV_NAME,
.id_table = intel_sst_ids,
.probe = intel_sst_probe,
.remove = intel_sst_remove,
#ifdef CONFIG_PM
.driver = {
.pm = &intel_sst_pm,
},
#endif
};
module_pci_driver(sst_driver);
MODULE_DESCRIPTION("Intel (R) SST(R) Audio Engine PCI Driver");
MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
MODULE_AUTHOR("Dharageswari R <dharageswari.r@intel.com>");
MODULE_AUTHOR("KP Jeeja <jeeja.kp@intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("sst");