diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 19:13:30 +0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 23:36:22 +0400 |
commit | b285192a43f0432d82c2c10974204e78af0da596 (patch) | |
tree | 618aa87e760c9c949eca9e4df6ae0eeffa11dcfc /drivers/media/video/saa7164/saa7164-fw.c | |
parent | 68de959f773a1d49096835c411390bceff5d1549 (diff) | |
download | linux-b285192a43f0432d82c2c10974204e78af0da596.tar.xz |
[media] rename most media/video pci drivers to media/pci
Rename all PCI drivers with their own directory under
drivers/media/video into drivers/media/pci and update the
building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7164/saa7164-fw.c')
-rw-r--r-- | drivers/media/video/saa7164/saa7164-fw.c | 613 |
1 files changed, 0 insertions, 613 deletions
diff --git a/drivers/media/video/saa7164/saa7164-fw.c b/drivers/media/video/saa7164/saa7164-fw.c deleted file mode 100644 index a266bf0169e6..000000000000 --- a/drivers/media/video/saa7164/saa7164-fw.c +++ /dev/null @@ -1,613 +0,0 @@ -/* - * Driver for the NXP SAA7164 PCIe bridge - * - * Copyright (c) 2010 Steven Toth <stoth@kernellabs.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; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/firmware.h> -#include <linux/slab.h> - -#include "saa7164.h" - -#define SAA7164_REV2_FIRMWARE "NXP7164-2010-03-10.1.fw" -#define SAA7164_REV2_FIRMWARE_SIZE 4019072 - -#define SAA7164_REV3_FIRMWARE "NXP7164-2010-03-10.1.fw" -#define SAA7164_REV3_FIRMWARE_SIZE 4019072 - -struct fw_header { - u32 firmwaresize; - u32 bslsize; - u32 reserved; - u32 version; -}; - -int saa7164_dl_wait_ack(struct saa7164_dev *dev, u32 reg) -{ - u32 timeout = SAA_DEVICE_TIMEOUT; - while ((saa7164_readl(reg) & 0x01) == 0) { - timeout -= 10; - if (timeout == 0) { - printk(KERN_ERR "%s() timeout (no d/l ack)\n", - __func__); - return -EBUSY; - } - msleep(100); - } - - return 0; -} - -int saa7164_dl_wait_clr(struct saa7164_dev *dev, u32 reg) -{ - u32 timeout = SAA_DEVICE_TIMEOUT; - while (saa7164_readl(reg) & 0x01) { - timeout -= 10; - if (timeout == 0) { - printk(KERN_ERR "%s() timeout (no d/l clr)\n", - __func__); - return -EBUSY; - } - msleep(100); - } - - return 0; -} - -/* TODO: move dlflags into dev-> and change to write/readl/b */ -/* TODO: Excessive levels of debug */ -int saa7164_downloadimage(struct saa7164_dev *dev, u8 *src, u32 srcsize, - u32 dlflags, u8 *dst, u32 dstsize) -{ - u32 reg, timeout, offset; - u8 *srcbuf = NULL; - int ret; - - u32 dlflag = dlflags; - u32 dlflag_ack = dlflag + 4; - u32 drflag = dlflag_ack + 4; - u32 drflag_ack = drflag + 4; - u32 bleflag = drflag_ack + 4; - - dprintk(DBGLVL_FW, - "%s(image=%p, size=%d, flags=0x%x, dst=%p, dstsize=0x%x)\n", - __func__, src, srcsize, dlflags, dst, dstsize); - - if ((src == NULL) || (dst == NULL)) { - ret = -EIO; - goto out; - } - - srcbuf = kzalloc(4 * 1048576, GFP_KERNEL); - if (NULL == srcbuf) { - ret = -ENOMEM; - goto out; - } - - if (srcsize > (4*1048576)) { - ret = -ENOMEM; - goto out; - } - - memcpy(srcbuf, src, srcsize); - - dprintk(DBGLVL_FW, "%s() dlflag = 0x%x\n", __func__, dlflag); - dprintk(DBGLVL_FW, "%s() dlflag_ack = 0x%x\n", __func__, dlflag_ack); - dprintk(DBGLVL_FW, "%s() drflag = 0x%x\n", __func__, drflag); - dprintk(DBGLVL_FW, "%s() drflag_ack = 0x%x\n", __func__, drflag_ack); - dprintk(DBGLVL_FW, "%s() bleflag = 0x%x\n", __func__, bleflag); - - reg = saa7164_readl(dlflag); - dprintk(DBGLVL_FW, "%s() dlflag (0x%x)= 0x%x\n", __func__, dlflag, reg); - if (reg == 1) - dprintk(DBGLVL_FW, - "%s() Download flag already set, please reboot\n", - __func__); - - /* Indicate download start */ - saa7164_writel(dlflag, 1); - ret = saa7164_dl_wait_ack(dev, dlflag_ack); - if (ret < 0) - goto out; - - /* Ack download start, then wait for wait */ - saa7164_writel(dlflag, 0); - ret = saa7164_dl_wait_clr(dev, dlflag_ack); - if (ret < 0) - goto out; - - /* Deal with the raw firmware, in the appropriate chunk size */ - for (offset = 0; srcsize > dstsize; - srcsize -= dstsize, offset += dstsize) { - - dprintk(DBGLVL_FW, "%s() memcpy %d\n", __func__, dstsize); - memcpy(dst, srcbuf + offset, dstsize); - - /* Flag the data as ready */ - saa7164_writel(drflag, 1); - ret = saa7164_dl_wait_ack(dev, drflag_ack); - if (ret < 0) - goto out; - - /* Wait for indication data was received */ - saa7164_writel(drflag, 0); - ret = saa7164_dl_wait_clr(dev, drflag_ack); - if (ret < 0) - goto out; - - } - - dprintk(DBGLVL_FW, "%s() memcpy(l) %d\n", __func__, dstsize); - /* Write last block to the device */ - memcpy(dst, srcbuf+offset, srcsize); - - /* Flag the data as ready */ - saa7164_writel(drflag, 1); - ret = saa7164_dl_wait_ack(dev, drflag_ack); - if (ret < 0) - goto out; - - saa7164_writel(drflag, 0); - timeout = 0; - while (saa7164_readl(bleflag) != SAA_DEVICE_IMAGE_BOOTING) { - if (saa7164_readl(bleflag) & SAA_DEVICE_IMAGE_CORRUPT) { - printk(KERN_ERR "%s() image corrupt\n", __func__); - ret = -EBUSY; - goto out; - } - - if (saa7164_readl(bleflag) & SAA_DEVICE_MEMORY_CORRUPT) { - printk(KERN_ERR "%s() device memory corrupt\n", - __func__); - ret = -EBUSY; - goto out; - } - - msleep(10); /* Checkpatch throws a < 20ms warning */ - if (timeout++ > 60) - break; - } - - printk(KERN_INFO "%s() Image downloaded, booting...\n", __func__); - - ret = saa7164_dl_wait_clr(dev, drflag_ack); - if (ret < 0) - goto out; - - printk(KERN_INFO "%s() Image booted successfully.\n", __func__); - ret = 0; - -out: - kfree(srcbuf); - return ret; -} - -/* TODO: Excessive debug */ -/* Load the firmware. Optionally it can be in ROM or newer versions - * can be on disk, saving the expense of the ROM hardware. */ -int saa7164_downloadfirmware(struct saa7164_dev *dev) -{ - /* u32 second_timeout = 60 * SAA_DEVICE_TIMEOUT; */ - u32 tmp, filesize, version, err_flags, first_timeout, fwlength; - u32 second_timeout, updatebootloader = 1, bootloadersize = 0; - const struct firmware *fw = NULL; - struct fw_header *hdr, *boothdr = NULL, *fwhdr; - u32 bootloaderversion = 0, fwloadersize; - u8 *bootloaderoffset = NULL, *fwloaderoffset; - char *fwname; - int ret; - - dprintk(DBGLVL_FW, "%s()\n", __func__); - - if (saa7164_boards[dev->board].chiprev == SAA7164_CHIP_REV2) { - fwname = SAA7164_REV2_FIRMWARE; - fwlength = SAA7164_REV2_FIRMWARE_SIZE; - } else { - fwname = SAA7164_REV3_FIRMWARE; - fwlength = SAA7164_REV3_FIRMWARE_SIZE; - } - - version = saa7164_getcurrentfirmwareversion(dev); - - if (version == 0x00) { - - second_timeout = 100; - first_timeout = 100; - err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS); - dprintk(DBGLVL_FW, "%s() err_flags = %x\n", - __func__, err_flags); - - while (err_flags != SAA_DEVICE_IMAGE_BOOTING) { - dprintk(DBGLVL_FW, "%s() err_flags = %x\n", - __func__, err_flags); - msleep(10); /* Checkpatch throws a < 20ms warning */ - - if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) { - printk(KERN_ERR "%s() firmware corrupt\n", - __func__); - break; - } - if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) { - printk(KERN_ERR "%s() device memory corrupt\n", - __func__); - break; - } - if (err_flags & SAA_DEVICE_NO_IMAGE) { - printk(KERN_ERR "%s() no first image\n", - __func__); - break; - } - if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) { - first_timeout -= 10; - if (first_timeout == 0) { - printk(KERN_ERR - "%s() no first image\n", - __func__); - break; - } - } else if (err_flags & SAA_DEVICE_IMAGE_LOADING) { - second_timeout -= 10; - if (second_timeout == 0) { - printk(KERN_ERR - "%s() FW load time exceeded\n", - __func__); - break; - } - } else { - second_timeout -= 10; - if (second_timeout == 0) { - printk(KERN_ERR - "%s() Unknown bootloader flags 0x%x\n", - __func__, err_flags); - break; - } - } - - err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS); - } /* While != Booting */ - - if (err_flags == SAA_DEVICE_IMAGE_BOOTING) { - dprintk(DBGLVL_FW, "%s() Loader 1 has loaded.\n", - __func__); - first_timeout = SAA_DEVICE_TIMEOUT; - second_timeout = 60 * SAA_DEVICE_TIMEOUT; - second_timeout = 100; - - err_flags = saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS); - dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n", - __func__, err_flags); - while (err_flags != SAA_DEVICE_IMAGE_BOOTING) { - dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n", - __func__, err_flags); - msleep(10); /* Checkpatch throws a < 20ms warning */ - - if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) { - printk(KERN_ERR - "%s() firmware corrupt\n", - __func__); - break; - } - if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) { - printk(KERN_ERR - "%s() device memory corrupt\n", - __func__); - break; - } - if (err_flags & SAA_DEVICE_NO_IMAGE) { - printk(KERN_ERR "%s() no first image\n", - __func__); - break; - } - if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) { - first_timeout -= 10; - if (first_timeout == 0) { - printk(KERN_ERR - "%s() no second image\n", - __func__); - break; - } - } else if (err_flags & - SAA_DEVICE_IMAGE_LOADING) { - second_timeout -= 10; - if (second_timeout == 0) { - printk(KERN_ERR - "%s() FW load time exceeded\n", - __func__); - break; - } - } else { - second_timeout -= 10; - if (second_timeout == 0) { - printk(KERN_ERR - "%s() Unknown bootloader flags 0x%x\n", - __func__, err_flags); - break; - } - } - - err_flags = - saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS); - } /* err_flags != SAA_DEVICE_IMAGE_BOOTING */ - - dprintk(DBGLVL_FW, "%s() Loader flags 1:0x%x 2:0x%x.\n", - __func__, - saa7164_readl(SAA_BOOTLOADERERROR_FLAGS), - saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS)); - - } /* err_flags == SAA_DEVICE_IMAGE_BOOTING */ - - /* It's possible for both firmwares to have booted, - * but that doesn't mean they've finished booting yet. - */ - if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) == - SAA_DEVICE_IMAGE_BOOTING) && - (saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) == - SAA_DEVICE_IMAGE_BOOTING)) { - - - dprintk(DBGLVL_FW, "%s() Loader 2 has loaded.\n", - __func__); - - first_timeout = SAA_DEVICE_TIMEOUT; - while (first_timeout) { - msleep(10); /* Checkpatch throws a < 20ms warning */ - - version = - saa7164_getcurrentfirmwareversion(dev); - if (version) { - dprintk(DBGLVL_FW, - "%s() All f/w loaded successfully\n", - __func__); - break; - } else { - first_timeout -= 10; - if (first_timeout == 0) { - printk(KERN_ERR - "%s() FW did not boot\n", - __func__); - break; - } - } - } - } - version = saa7164_getcurrentfirmwareversion(dev); - } /* version == 0 */ - - /* Has the firmware really booted? */ - if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) == - SAA_DEVICE_IMAGE_BOOTING) && - (saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) == - SAA_DEVICE_IMAGE_BOOTING) && (version == 0)) { - - printk(KERN_ERR - "%s() The firmware hung, probably bad firmware\n", - __func__); - - /* Tell the second stage loader we have a deadlock */ - saa7164_writel(SAA_DEVICE_DEADLOCK_DETECTED_OFFSET, - SAA_DEVICE_DEADLOCK_DETECTED); - - saa7164_getfirmwarestatus(dev); - - return -ENOMEM; - } - - dprintk(DBGLVL_FW, "Device has Firmware Version %d.%d.%d.%d\n", - (version & 0x0000fc00) >> 10, - (version & 0x000003e0) >> 5, - (version & 0x0000001f), - (version & 0xffff0000) >> 16); - - /* Load the firmwware from the disk if required */ - if (version == 0) { - - printk(KERN_INFO "%s() Waiting for firmware upload (%s)\n", - __func__, fwname); - - ret = request_firmware(&fw, fwname, &dev->pci->dev); - if (ret) { - printk(KERN_ERR "%s() Upload failed. " - "(file not found?)\n", __func__); - return -ENOMEM; - } - - printk(KERN_INFO "%s() firmware read %Zu bytes.\n", - __func__, fw->size); - - if (fw->size != fwlength) { - printk(KERN_ERR "xc5000: firmware incorrect size\n"); - ret = -ENOMEM; - goto out; - } - - printk(KERN_INFO "%s() firmware loaded.\n", __func__); - - hdr = (struct fw_header *)fw->data; - printk(KERN_INFO "Firmware file header part 1:\n"); - printk(KERN_INFO " .FirmwareSize = 0x%x\n", hdr->firmwaresize); - printk(KERN_INFO " .BSLSize = 0x%x\n", hdr->bslsize); - printk(KERN_INFO " .Reserved = 0x%x\n", hdr->reserved); - printk(KERN_INFO " .Version = 0x%x\n", hdr->version); - - /* Retrieve bootloader if reqd */ - if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) - /* Second bootloader in the firmware file */ - filesize = hdr->reserved * 16; - else - filesize = (hdr->firmwaresize + hdr->bslsize) * - 16 + sizeof(struct fw_header); - - printk(KERN_INFO "%s() SecBootLoader.FileSize = %d\n", - __func__, filesize); - - /* Get bootloader (if reqd) and firmware header */ - if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) { - /* Second boot loader is required */ - - /* Get the loader header */ - boothdr = (struct fw_header *)(fw->data + - sizeof(struct fw_header)); - - bootloaderversion = - saa7164_readl(SAA_DEVICE_2ND_VERSION); - dprintk(DBGLVL_FW, "Onboard BootLoader:\n"); - dprintk(DBGLVL_FW, "->Flag 0x%x\n", - saa7164_readl(SAA_BOOTLOADERERROR_FLAGS)); - dprintk(DBGLVL_FW, "->Ack 0x%x\n", - saa7164_readl(SAA_DATAREADY_FLAG_ACK)); - dprintk(DBGLVL_FW, "->FW Version 0x%x\n", version); - dprintk(DBGLVL_FW, "->Loader Version 0x%x\n", - bootloaderversion); - - if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) == - 0x03) && (saa7164_readl(SAA_DATAREADY_FLAG_ACK) - == 0x00) && (version == 0x00)) { - - dprintk(DBGLVL_FW, "BootLoader version in " - "rom %d.%d.%d.%d\n", - (bootloaderversion & 0x0000fc00) >> 10, - (bootloaderversion & 0x000003e0) >> 5, - (bootloaderversion & 0x0000001f), - (bootloaderversion & 0xffff0000) >> 16 - ); - dprintk(DBGLVL_FW, "BootLoader version " - "in file %d.%d.%d.%d\n", - (boothdr->version & 0x0000fc00) >> 10, - (boothdr->version & 0x000003e0) >> 5, - (boothdr->version & 0x0000001f), - (boothdr->version & 0xffff0000) >> 16 - ); - - if (bootloaderversion == boothdr->version) - updatebootloader = 0; - } - - /* Calculate offset to firmware header */ - tmp = (boothdr->firmwaresize + boothdr->bslsize) * 16 + - (sizeof(struct fw_header) + - sizeof(struct fw_header)); - - fwhdr = (struct fw_header *)(fw->data+tmp); - } else { - /* No second boot loader */ - fwhdr = hdr; - } - - dprintk(DBGLVL_FW, "Firmware version in file %d.%d.%d.%d\n", - (fwhdr->version & 0x0000fc00) >> 10, - (fwhdr->version & 0x000003e0) >> 5, - (fwhdr->version & 0x0000001f), - (fwhdr->version & 0xffff0000) >> 16 - ); - - if (version == fwhdr->version) { - /* No download, firmware already on board */ - ret = 0; - goto out; - } - - if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) { - if (updatebootloader) { - /* Get ready to upload the bootloader */ - bootloadersize = (boothdr->firmwaresize + - boothdr->bslsize) * 16 + - sizeof(struct fw_header); - - bootloaderoffset = (u8 *)(fw->data + - sizeof(struct fw_header)); - - dprintk(DBGLVL_FW, "bootloader d/l starts.\n"); - printk(KERN_INFO "%s() FirmwareSize = 0x%x\n", - __func__, boothdr->firmwaresize); - printk(KERN_INFO "%s() BSLSize = 0x%x\n", - __func__, boothdr->bslsize); - printk(KERN_INFO "%s() Reserved = 0x%x\n", - __func__, boothdr->reserved); - printk(KERN_INFO "%s() Version = 0x%x\n", - __func__, boothdr->version); - ret = saa7164_downloadimage( - dev, - bootloaderoffset, - bootloadersize, - SAA_DOWNLOAD_FLAGS, - dev->bmmio + SAA_DEVICE_DOWNLOAD_OFFSET, - SAA_DEVICE_BUFFERBLOCKSIZE); - if (ret < 0) { - printk(KERN_ERR - "bootloader d/l has failed\n"); - goto out; - } - dprintk(DBGLVL_FW, - "bootloader download complete.\n"); - - } - - printk(KERN_ERR "starting firmware download(2)\n"); - bootloadersize = (boothdr->firmwaresize + - boothdr->bslsize) * 16 + - sizeof(struct fw_header); - - bootloaderoffset = - (u8 *)(fw->data + sizeof(struct fw_header)); - - fwloaderoffset = bootloaderoffset + bootloadersize; - - /* TODO: fix this bounds overrun here with old f/ws */ - fwloadersize = (fwhdr->firmwaresize + fwhdr->bslsize) * - 16 + sizeof(struct fw_header); - - ret = saa7164_downloadimage( - dev, - fwloaderoffset, - fwloadersize, - SAA_DEVICE_2ND_DOWNLOADFLAG_OFFSET, - dev->bmmio + SAA_DEVICE_2ND_DOWNLOAD_OFFSET, - SAA_DEVICE_2ND_BUFFERBLOCKSIZE); - if (ret < 0) { - printk(KERN_ERR "firmware download failed\n"); - goto out; - } - printk(KERN_ERR "firmware download complete.\n"); - - } else { - - /* No bootloader update reqd, download firmware only */ - printk(KERN_ERR "starting firmware download(3)\n"); - - ret = saa7164_downloadimage( - dev, - (u8 *)fw->data, - fw->size, - SAA_DOWNLOAD_FLAGS, - dev->bmmio + SAA_DEVICE_DOWNLOAD_OFFSET, - SAA_DEVICE_BUFFERBLOCKSIZE); - if (ret < 0) { - printk(KERN_ERR "firmware download failed\n"); - goto out; - } - printk(KERN_ERR "firmware download complete.\n"); - } - } - - dev->firmwareloaded = 1; - ret = 0; - -out: - release_firmware(fw); - return ret; -} |