From patchwork Fri Apr 26 08:27:22 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 2491361 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 71F96DF230 for ; Fri, 26 Apr 2013 08:23:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758893Ab3DZIXH (ORCPT ); Fri, 26 Apr 2013 04:23:07 -0400 Received: from mga14.intel.com ([143.182.124.37]:54342 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758895Ab3DZIXG (ORCPT ); Fri, 26 Apr 2013 04:23:06 -0400 Received: from azsmga002.ch.intel.com ([10.2.17.35]) by azsmga102.ch.intel.com with ESMTP; 26 Apr 2013 01:23:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,556,1363158000"; d="scan'208";a="232956039" Received: from ahunter-desktop.fi.intel.com ([10.237.72.194]) by AZSMGA002.ch.intel.com with ESMTP; 26 Apr 2013 01:22:38 -0700 From: Adrian Hunter To: Chris Ball Cc: linux-mmc@vger.kernel.org, Adrian Hunter Subject: [PATCH 2/3] mmc: sdhci-acpi: add more device ids Date: Fri, 26 Apr 2013 11:27:22 +0300 Message-Id: <1366964843-20413-3-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1366964843-20413-1-git-send-email-adrian.hunter@intel.com> References: <1366964843-20413-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Add three more ACPI HIDs. Also, as some devices must be further distinguished by ACPI UID, slot information is now associated with HID and UID. Signed-off-by: Adrian Hunter --- drivers/mmc/host/sdhci-acpi.c | 68 +++++++++++++++++++++++++++++++++++++------ 1 file changed, 59 insertions(+), 9 deletions(-) diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 1da5f29..706d9cb 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -87,6 +87,12 @@ static const struct sdhci_ops sdhci_acpi_ops_dflt = { .enable_dma = sdhci_acpi_enable_dma, }; +static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = { + .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, + .caps2 = MMC_CAP2_HC_ERASE_SZ, + .flags = SDHCI_ACPI_RUNTIME_PM, +}; + static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = { .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON, .caps = MMC_CAP_NONREMOVABLE | MMC_CAP_POWER_OFF_CARD, @@ -94,23 +100,67 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = { .pm_caps = MMC_PM_KEEP_POWER, }; +static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sd = { +}; + +struct sdhci_acpi_uid_slot { + const char *hid; + const char *uid; + const struct sdhci_acpi_slot *slot; +}; + +static const struct sdhci_acpi_uid_slot sdhci_acpi_uids[] = { + { "80860F14" , "1" , &sdhci_acpi_slot_int_emmc }, + { "80860F14" , "3" , &sdhci_acpi_slot_int_sd }, + { "INT33BB" , "2" , &sdhci_acpi_slot_int_sdio }, + { "INT33C6" , NULL, &sdhci_acpi_slot_int_sdio }, + { "PNP0D40" }, + { }, +}; + static const struct acpi_device_id sdhci_acpi_ids[] = { - { "INT33C6", (kernel_ulong_t)&sdhci_acpi_slot_int_sdio }, - { "PNP0D40" }, + { "80860F14" }, + { "INT33BB" }, + { "INT33C6" }, + { "PNP0D40" }, { }, }; MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids); -static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(const char *hid) +static const struct sdhci_acpi_slot *sdhci_acpi_get_slot_by_ids(const char *hid, + const char *uid) { - const struct acpi_device_id *id; - - for (id = sdhci_acpi_ids; id->id[0]; id++) - if (!strcmp(id->id, hid)) - return (const struct sdhci_acpi_slot *)id->driver_data; + const struct sdhci_acpi_uid_slot *u; + + for (u = sdhci_acpi_uids; u->hid; u++) { + if (strcmp(u->hid, hid)) + continue; + if (!u->uid) + return u->slot; + if (uid && !strcmp(u->uid, uid)) + return u->slot; + } return NULL; } +static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(acpi_handle handle, + const char *hid) +{ + const struct sdhci_acpi_slot *slot; + struct acpi_device_info *info; + const char *uid = NULL; + acpi_status status; + + status = acpi_get_object_info(handle, &info); + if (!ACPI_FAILURE(status) && (info->valid & ACPI_VALID_UID)) + uid = info->unique_id.string; + + slot = sdhci_acpi_get_slot_by_ids(hid, uid); + + kfree(info); + return slot; +} + static int sdhci_acpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -148,7 +198,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) c = sdhci_priv(host); c->host = host; - c->slot = sdhci_acpi_get_slot(hid); + c->slot = sdhci_acpi_get_slot(handle, hid); c->pdev = pdev; c->use_runtime_pm = sdhci_acpi_flag(c, SDHCI_ACPI_RUNTIME_PM);