/* * uio_aec.c -- simple driver for Adrienne Electronics Corp time code PCI device * * Copyright (C) 2008 Brandon Philips * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * 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. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., 59 * Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #include #include #include #include #define PCI_VENDOR_ID_AEC 0xaecb #define PCI_DEVICE_ID_AEC_VITCLTC 0x6250 #define INT_ENABLE_ADDR 0xFC #define INT_ENABLE 0x10 #define INT_DISABLE 0x0 #define INT_MASK_ADDR 0x2E #define INT_MASK_ALL 0x3F #define INTA_DRVR_ADDR 0xFE #define INTA_ENABLED_FLAG 0x08 #define INTA_FLAG 0x01 #define MAILBOX 0x0F static struct pci_device_id ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AEC, PCI_DEVICE_ID_AEC_VITCLTC), }, { 0, } }; MODULE_DEVICE_TABLE(pci, ids); static irqreturn_t aectc_irq(int irq, struct uio_info *dev_info) { void __iomem *int_flag = dev_info->priv + INTA_DRVR_ADDR; unsigned char status = ioread8(int_flag); if ((status & INTA_ENABLED_FLAG) && (status & INTA_FLAG)) { /* application writes 0x00 to 0x2F to get next interrupt */ status = ioread8(dev_info->priv + MAILBOX); return IRQ_HANDLED; } return IRQ_NONE; } static void print_board_data(struct pci_dev *pdev, struct uio_info *i) { dev_info(&pdev->dev, "PCI-TC board vendor: %x%x number: %x%x" " revision: %c%c\n", ioread8(i->priv + 0x01), ioread8(i->priv + 0x00), ioread8(i->priv + 0x03), ioread8(i->priv + 0x02), ioread8(i->priv + 0x06), ioread8(i->priv + 0x07)); } static int probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct uio_info *info; int ret; info = kzalloc(sizeof(struct uio_info), GFP_KERNEL); if (!info) return -ENOMEM; if (pci_enable_device(pdev)) goto out_free; if (pci_request_regions(pdev, "aectc")) goto out_disable; info->name = "aectc"; info->port[0].start = pci_resource_start(pdev, 0); if (!info->port[0].start) goto out_release; info->priv = pci_iomap(pdev, 0, 0); if (!info->priv) goto out_release; info->port[0].size = pci_resource_len(pdev, 0); info->port[0].porttype = UIO_PORT_GPIO; info->version = "0.0.1"; info->irq = pdev->irq; info->irq_flags = IRQF_SHARED; info->handler = aectc_irq; print_board_data(pdev, info); ret = uio_register_device(&pdev->dev, info); if (ret) goto out_unmap; iowrite32(INT_ENABLE, info->priv + INT_ENABLE_ADDR); iowrite8(INT_MASK_ALL, info->priv + INT_MASK_ADDR); if (!(ioread8(info->priv + INTA_DRVR_ADDR) & INTA_ENABLED_FLAG)) dev_err(&pdev->dev, "aectc: interrupts not enabled\n"); pci_set_drvdata(pdev, info); return 0; out_unmap: pci_iounmap(pdev, info->priv); out_release: pci_release_regions(pdev); out_disable: pci_disable_device(pdev); out_free: kfree(info); return -ENODEV; } static void remove(struct pci_dev *pdev) { struct uio_info *info = pci_get_drvdata(pdev); /* disable interrupts */ iowrite8(INT_DISABLE, info->priv + INT_MASK_ADDR); iowrite32(INT_DISABLE, info->priv + INT_ENABLE_ADDR); /* read mailbox to ensure board drops irq */ ioread8(info->priv + MAILBOX); uio_unregister_device(info); pci_release_regions(pdev); pci_disable_device(pdev); iounmap(info->priv); kfree(info); } static struct pci_driver pci_driver = { .name = "aectc", .id_table = ids, .probe = probe, .remove = remove, }; module_pci_driver(pci_driver); MODULE_LICENSE("GPL"); n value='5'>5space:mode:
authorArd Biesheuvel <ard.biesheuvel@linaro.org>2017-01-17 13:46:29 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2017-01-23 22:41:33 +0800
commit11e3b725cfc282efe9d4a354153e99d86a16af08 (patch)
tree8b5b9e0e1bcae1ab98ee652ffb7b13b05c209bd6 /sound/soc/codecs/wm8728.c
parentd6040764adcb5cb6de1489422411d701c158bb69 (diff)
crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
Update the ARMv8 Crypto Extensions and the plain NEON AES implementations in CBC and CTR modes to return the next IV back to the skcipher API client. This is necessary for chaining to work correctly. Note that for CTR, this is only done if the request is a round multiple of the block size, since otherwise, chaining is impossible anyway. Cc: <stable@vger.kernel.org> # v3.16+ Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'sound/soc/codecs/wm8728.c')