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path: root/drivers/media/video/sh_mobile_ceu_camera.c
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Diffstat (limited to 'drivers/media/video/sh_mobile_ceu_camera.c')
-rw-r--r--drivers/media/video/sh_mobile_ceu_camera.c697
1 files changed, 0 insertions, 697 deletions
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
deleted file mode 100644
index 536b1a9b310..00000000000
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ /dev/null
@@ -1,697 +0,0 @@
-/*
- * V4L2 Driver for SuperH Mobile CEU interface
- *
- * Copyright (C) 2008 Magnus Damm
- *
- * Based on V4L2 Driver for PXA camera host - "pxa_camera.c",
- *
- * Copyright (C) 2006, Sascha Hauer, Pengutronix
- * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
- *
- * 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.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/moduleparam.h>
-#include <linux/time.h>
-#include <linux/version.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/mutex.h>
-#include <linux/videodev2.h>
-#include <linux/clk.h>
-
-#include <media/v4l2-common.h>
-#include <media/v4l2-dev.h>
-#include <media/soc_camera.h>
-#include <media/sh_mobile_ceu.h>
-#include <media/videobuf-dma-contig.h>
-
-/* register offsets for sh7722 / sh7723 */
-
-#define CAPSR 0x00 /* Capture start register */
-#define CAPCR 0x04 /* Capture control register */
-#define CAMCR 0x08 /* Capture interface control register */
-#define CMCYR 0x0c /* Capture interface cycle register */
-#define CAMOR 0x10 /* Capture interface offset register */
-#define CAPWR 0x14 /* Capture interface width register */
-#define CAIFR 0x18 /* Capture interface input format register */
-#define CSTCR 0x20 /* Camera strobe control register (<= sh7722) */
-#define CSECR 0x24 /* Camera strobe emission count register (<= sh7722) */
-#define CRCNTR 0x28 /* CEU register control register */
-#define CRCMPR 0x2c /* CEU register forcible control register */
-#define CFLCR 0x30 /* Capture filter control register */
-#define CFSZR 0x34 /* Capture filter size clip register */
-#define CDWDR 0x38 /* Capture destination width register */
-#define CDAYR 0x3c /* Capture data address Y register */
-#define CDACR 0x40 /* Capture data address C register */
-#define CDBYR 0x44 /* Capture data bottom-field address Y register */
-#define CDBCR 0x48 /* Capture data bottom-field address C register */
-#define CBDSR 0x4c /* Capture bundle destination size register */
-#define CFWCR 0x5c /* Firewall operation control register */
-#define CLFCR 0x60 /* Capture low-pass filter control register */
-#define CDOCR 0x64 /* Capture data output control register */
-#define CDDCR 0x68 /* Capture data complexity level register */
-#define CDDAR 0x6c /* Capture data complexity level address register */
-#define CEIER 0x70 /* Capture event interrupt enable register */
-#define CETCR 0x74 /* Capture event flag clear register */
-#define CSTSR 0x7c /* Capture status register */
-#define CSRTR 0x80 /* Capture software reset register */
-#define CDSSR 0x84 /* Capture data size register */
-#define CDAYR2 0x90 /* Capture data address Y register 2 */
-#define CDACR2 0x94 /* Capture data address C register 2 */
-#define CDBYR2 0x98 /* Capture data bottom-field address Y register 2 */
-#define CDBCR2 0x9c /* Capture data bottom-field address C register 2 */
-
-static DEFINE_MUTEX(camera_lock);
-
-/* per video frame buffer */
-struct sh_mobile_ceu_buffer {
- struct videobuf_buffer vb; /* v4l buffer must be first */
- const struct soc_camera_data_format *fmt;
-};
-
-struct sh_mobile_ceu_dev {
- struct device *dev;
- struct soc_camera_host ici;
- struct soc_camera_device *icd;
-
- unsigned int irq;
- void __iomem *base;
- struct clk *clk;
- unsigned long video_limit;
-
- /* lock used to protect videobuf */
- spinlock_t lock;
- struct list_head capture;
- struct videobuf_buffer *active;
-
- struct sh_mobile_ceu_info *pdata;
-};
-
-static void ceu_write(struct sh_mobile_ceu_dev *priv,
- unsigned long reg_offs, unsigned long data)
-{
- iowrite32(data, priv->base + reg_offs);
-}
-
-static unsigned long ceu_read(struct sh_mobile_ceu_dev *priv,
- unsigned long reg_offs)
-{
- return ioread32(priv->base + reg_offs);
-}
-
-/*
- * Videobuf operations
- */
-static int sh_mobile_ceu_videobuf_setup(struct videobuf_queue *vq,
- unsigned int *count,
- unsigned int *size)
-{
- struct soc_camera_device *icd = vq->priv_data;
- struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
- struct sh_mobile_ceu_dev *pcdev = ici->priv;
- int bytes_per_pixel = (icd->current_fmt->depth + 7) >> 3;
-
- *size = PAGE_ALIGN(icd->width * icd->height * bytes_per_pixel);
-
- if (0 == *count)
- *count = 2;
-
- if (pcdev->video_limit) {
- while (*size * *count > pcdev->video_limit)
- (*count)--;
- }
-
- dev_dbg(&icd->dev, "count=%d, size=%d\n", *count, *size);
-
- return 0;
-}
-
-static void free_buffer(struct videobuf_queue *vq,
- struct sh_mobile_ceu_buffer *buf)
-{
- struct soc_camera_device *icd = vq->priv_data;
-
- dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
- &buf->vb, buf->vb.baddr, buf->vb.bsize);
-
- if (in_interrupt())
- BUG();
-
- videobuf_dma_contig_free(vq, &buf->vb);
- dev_dbg(&icd->dev, "%s freed\n", __func__);
- buf->vb.state = VIDEOBUF_NEEDS_INIT;
-}
-
-static void sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev)
-{
- ceu_write(pcdev, CEIER, ceu_read(pcdev, CEIER) & ~1);
- ceu_write(pcdev, CETCR, ~ceu_read(pcdev, CETCR) & 0x0317f313);
- ceu_write(pcdev, CEIER, ceu_read(pcdev, CEIER) | 1);
-
- ceu_write(pcdev, CAPCR, ceu_read(pcdev, CAPCR) & ~0x10000);
-
- ceu_write(pcdev, CETCR, 0x0317f313 ^ 0x10);
-
- if (pcdev->active) {
- pcdev->active->state = VIDEOBUF_ACTIVE;
- ceu_write(pcdev, CDAYR, videobuf_to_dma_contig(pcdev->active));
- ceu_write(pcdev, CAPSR, 0x1); /* start capture */
- }
-}
-
-static int sh_mobile_ceu_videobuf_prepare(struct videobuf_queue *vq,
- struct videobuf_buffer *vb,
- enum v4l2_field field)
-{
- struct soc_camera_device *icd = vq->priv_data;
- struct sh_mobile_ceu_buffer *buf;
- int ret;
-
- buf = container_of(vb, struct sh_mobile_ceu_buffer, vb);
-
- dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
- vb, vb->baddr, vb->bsize);
-
- /* Added list head initialization on alloc */
- WARN_ON(!list_empty(&vb->queue));
-
-#ifdef DEBUG
- /* This can be useful if you want to see if we actually fill
- * the buffer with something */
- memset((void *)vb->baddr, 0xaa, vb->bsize);
-#endif
-
- BUG_ON(NULL == icd->current_fmt);
-
- if (buf->fmt != icd->current_fmt ||
- vb->width != icd->width ||
- vb->height != icd->height ||
- vb->field != field) {
- buf->fmt = icd->current_fmt;
- vb->width = icd->width;
- vb->height = icd->height;
- vb->field = field;
- vb->state = VIDEOBUF_NEEDS_INIT;
- }
-
- vb->size = vb->width * vb->height * ((buf->fmt->depth + 7) >> 3);
- if (0 != vb->baddr && vb->bsize < vb->size) {
- ret = -EINVAL;
- goto out;
- }
-
- if (vb->state == VIDEOBUF_NEEDS_INIT) {
- ret = videobuf_iolock(vq, vb, NULL);
- if (ret)
- goto fail;
- vb->state = VIDEOBUF_PREPARED;
- }
-
- return 0;
-fail:
- free_buffer(vq, buf);
-out:
- return ret;
-}
-
-static void sh_mobile_ceu_videobuf_queue(struct videobuf_queue *vq,
- struct videobuf_buffer *vb)
-{
- struct soc_camera_device *icd = vq->priv_data;
- struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
- struct sh_mobile_ceu_dev *pcdev = ici->priv;
- unsigned long flags;
-
- dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
- vb, vb->baddr, vb->bsize);
-
- vb->state = VIDEOBUF_QUEUED;
- spin_lock_irqsave(&pcdev->lock, flags);
- list_add_tail(&vb->queue, &pcdev->capture);
-
- if (!pcdev->active) {
- pcdev->active = vb;
- sh_mobile_ceu_capture(pcdev);
- }
-
- spin_unlock_irqrestore(&pcdev->lock, flags);
-}
-
-static void sh_mobile_ceu_videobuf_release(struct videobuf_queue *vq,
- struct videobuf_buffer *vb)
-{
- free_buffer(vq, container_of(vb, struct sh_mobile_ceu_buffer, vb));
-}
-
-static struct videobuf_queue_ops sh_mobile_ceu_videobuf_ops = {
- .buf_setup = sh_mobile_ceu_videobuf_setup,
- .buf_prepare = sh_mobile_ceu_videobuf_prepare,
- .buf_queue = sh_mobile_ceu_videobuf_queue,
- .buf_release = sh_mobile_ceu_videobuf_release,
-};
-
-static irqreturn_t sh_mobile_ceu_irq(int irq, void *data)
-{
- struct sh_mobile_ceu_dev *pcdev = data;
- struct videobuf_buffer *vb;
- unsigned long flags;
-
- spin_lock_irqsave(&pcdev->lock, flags);
-
- vb = pcdev->active;
- list_del_init(&vb->queue);
-
- if (!list_empty(&pcdev->capture))
- pcdev->active = list_entry(pcdev->capture.next,
- struct videobuf_buffer, queue);
- else
- pcdev->active = NULL;
-
- sh_mobile_ceu_capture(pcdev);
-
- vb->state = VIDEOBUF_DONE;
- do_gettimeofday(&vb->ts);
- vb->field_count++;
- wake_up(&vb->done);
- spin_unlock_irqrestore(&pcdev->lock, flags);
-
- return IRQ_HANDLED;
-}
-
-static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
-{
- struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
- struct sh_mobile_ceu_dev *pcdev = ici->priv;
- int ret = -EBUSY;
-
- mutex_lock(&camera_lock);
-
- if (pcdev->icd)
- goto err;
-
- dev_info(&icd->dev,
- "SuperH Mobile CEU driver attached to camera %d\n",
- icd->devnum);
-
- ret = icd->ops->init(icd);
- if (ret)
- goto err;
-
- clk_enable(pcdev->clk);
-
- ceu_write(pcdev, CAPSR, 1 << 16); /* reset */
- while (ceu_read(pcdev, CSTSR) & 1)
- msleep(1);
-
- pcdev->icd = icd;
-err:
- mutex_unlock(&camera_lock);
-
- return ret;
-}
-
-static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd)
-{
- struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
- struct sh_mobile_ceu_dev *pcdev = ici->priv;
- unsigned long flags;
-
- BUG_ON(icd != pcdev->icd);
-
- /* disable capture, disable interrupts */
- ceu_write(pcdev, CEIER, 0);
- ceu_write(pcdev, CAPSR, 1 << 16); /* reset */
-
- /* make sure active buffer is canceled */
- spin_lock_irqsave(&pcdev->lock, flags);
- if (pcdev->active) {
- list_del(&pcdev->active->queue);
- pcdev->active->state = VIDEOBUF_ERROR;
- wake_up_all(&pcdev->active->done);
- pcdev->active = NULL;
- }
- spin_unlock_irqrestore(&pcdev->lock, flags);
-
- clk_disable(pcdev->clk);
-
- icd->ops->release(icd);
-
- dev_info(&icd->dev,
- "SuperH Mobile CEU driver detached from camera %d\n",
- icd->devnum);
-
- pcdev->icd = NULL;
-}
-
-static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
- __u32 pixfmt)
-{
- struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
- struct sh_mobile_ceu_dev *pcdev = ici->priv;
- int ret, buswidth, width, cfszr_width, cdwdr_width;
- unsigned long camera_flags, common_flags, value;
-
- camera_flags = icd->ops->query_bus_param(icd);
- common_flags = soc_camera_bus_param_compatible(camera_flags,
- pcdev->pdata->flags);
- if (!common_flags)
- return -EINVAL;
-
- ret = icd->ops->set_bus_param(icd, common_flags);
- if (ret < 0)
- return ret;
-
- switch (common_flags & SOCAM_DATAWIDTH_MASK) {
- case SOCAM_DATAWIDTH_8:
- buswidth = 8;
- break;
- case SOCAM_DATAWIDTH_16:
- buswidth = 16;
- break;
- default:
- return -EINVAL;
- }
-
- ceu_write(pcdev, CRCNTR, 0);
- ceu_write(pcdev, CRCMPR, 0);
-
- value = 0x00000010;
- value |= (common_flags & SOCAM_VSYNC_ACTIVE_LOW) ? (1 << 1) : 0;
- value |= (common_flags & SOCAM_HSYNC_ACTIVE_LOW) ? (1 << 0) : 0;
- value |= (buswidth == 16) ? (1 << 12) : 0;
- ceu_write(pcdev, CAMCR, value);
-
- ceu_write(pcdev, CAPCR, 0x00300000);
- ceu_write(pcdev, CAIFR, 0);
-
- mdelay(1);
-
- width = icd->width * (icd->current_fmt->depth / 8);
- width = (buswidth == 16) ? width / 2 : width;
- cfszr_width = (buswidth == 8) ? width / 2 : width;
- cdwdr_width = (buswidth == 16) ? width * 2 : width;
-
- ceu_write(pcdev, CAMOR, 0);
- ceu_write(pcdev, CAPWR, (icd->height << 16) | width);
- ceu_write(pcdev, CFLCR, 0); /* data fetch mode - no scaling */
- ceu_write(pcdev, CFSZR, (icd->height << 16) | cfszr_width);
- ceu_write(pcdev, CLFCR, 0); /* data fetch mode - no lowpass filter */
-
- /* A few words about byte order (observed in Big Endian mode)
- *
- * In data fetch mode bytes are received in chunks of 8 bytes.
- * D0, D1, D2, D3, D4, D5, D6, D7 (D0 received first)
- *
- * The data is however by default written to memory in reverse order:
- * D7, D6, D5, D4, D3, D2, D1, D0 (D7 written to lowest byte)
- *
- * The lowest three bits of CDOCR allows us to do swapping,
- * using 7 we swap the data bytes to match the incoming order:
- * D0, D1, D2, D3, D4, D5, D6, D7
- */
- ceu_write(pcdev, CDOCR, 0x00000017);
-
- ceu_write(pcdev, CDWDR, cdwdr_width);
- ceu_write(pcdev, CFWCR, 0); /* keep "datafetch firewall" disabled */
-
- /* not in bundle mode: skip CBDSR, CDAYR2, CDACR2, CDBYR2, CDBCR2 */
- /* in data fetch mode: no need for CDACR, CDBYR, CDBCR */
-
- return 0;
-}
-
-static int sh_mobile_ceu_try_bus_param(struct soc_camera_device *icd,
- __u32 pixfmt)
-{
- struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
- struct sh_mobile_ceu_dev *pcdev = ici->priv;
- unsigned long camera_flags, common_flags;
-
- camera_flags = icd->ops->query_bus_param(icd);
- common_flags = soc_camera_bus_param_compatible(camera_flags,
- pcdev->pdata->flags);
- if (!common_flags)
- return -EINVAL;
-
- return 0;
-}
-
-static int sh_mobile_ceu_set_fmt_cap(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
-{
- return icd->ops->set_fmt_cap(icd, pixfmt, rect);
-}
-
-static int sh_mobile_ceu_try_fmt_cap(struct soc_camera_device *icd,
- struct v4l2_format *f)
-{
- /* FIXME: calculate using depth and bus width */
-
- if (f->fmt.pix.height < 4)
- f->fmt.pix.height = 4;
- if (f->fmt.pix.height > 1920)
- f->fmt.pix.height = 1920;
- if (f->fmt.pix.width < 2)
- f->fmt.pix.width = 2;
- if (f->fmt.pix.width > 2560)
- f->fmt.pix.width = 2560;
- f->fmt.pix.width &= ~0x01;
- f->fmt.pix.height &= ~0x03;
-
- /* limit to sensor capabilities */
- return icd->ops->try_fmt_cap(icd, f);
-}
-
-static int sh_mobile_ceu_reqbufs(struct soc_camera_file *icf,
- struct v4l2_requestbuffers *p)
-{
- int i;
-
- /* This is for locking debugging only. I removed spinlocks and now I
- * check whether .prepare is ever called on a linked buffer, or whether
- * a dma IRQ can occur for an in-work or unlinked buffer. Until now
- * it hadn't triggered */
- for (i = 0; i < p->count; i++) {
- struct sh_mobile_ceu_buffer *buf;
-
- buf = container_of(icf->vb_vidq.bufs[i],
- struct sh_mobile_ceu_buffer, vb);
- INIT_LIST_HEAD(&buf->vb.queue);
- }
-
- return 0;
-}
-
-static unsigned int sh_mobile_ceu_poll(struct file *file, poll_table *pt)
-{
- struct soc_camera_file *icf = file->private_data;
- struct sh_mobile_ceu_buffer *buf;
-
- buf = list_entry(icf->vb_vidq.stream.next,
- struct sh_mobile_ceu_buffer, vb.stream);
-
- poll_wait(file, &buf->vb.done, pt);
-
- if (buf->vb.state == VIDEOBUF_DONE ||
- buf->vb.state == VIDEOBUF_ERROR)
- return POLLIN|POLLRDNORM;
-
- return 0;
-}
-
-static int sh_mobile_ceu_querycap(struct soc_camera_host *ici,
- struct v4l2_capability *cap)
-{
- strlcpy(cap->card, "SuperH_Mobile_CEU", sizeof(cap->card));
- cap->version = KERNEL_VERSION(0, 0, 5);
- cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
- return 0;
-}
-
-static void sh_mobile_ceu_init_videobuf(struct videobuf_queue *q,
- struct soc_camera_device *icd)
-{
- struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
- struct sh_mobile_ceu_dev *pcdev = ici->priv;
-
- videobuf_queue_dma_contig_init(q,
- &sh_mobile_ceu_videobuf_ops,
- &ici->dev, &pcdev->lock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_NONE,
- sizeof(struct sh_mobile_ceu_buffer),
- icd);
-}
-
-static struct soc_camera_host_ops sh_mobile_ceu_host_ops = {
- .owner = THIS_MODULE,
- .add = sh_mobile_ceu_add_device,
- .remove = sh_mobile_ceu_remove_device,
- .set_fmt_cap = sh_mobile_ceu_set_fmt_cap,
- .try_fmt_cap = sh_mobile_ceu_try_fmt_cap,
- .reqbufs = sh_mobile_ceu_reqbufs,
- .poll = sh_mobile_ceu_poll,
- .querycap = sh_mobile_ceu_querycap,
- .try_bus_param = sh_mobile_ceu_try_bus_param,
- .set_bus_param = sh_mobile_ceu_set_bus_param,
- .init_videobuf = sh_mobile_ceu_init_videobuf,
-};
-
-static int sh_mobile_ceu_probe(struct platform_device *pdev)
-{
- struct sh_mobile_ceu_dev *pcdev;
- struct resource *res;
- void __iomem *base;
- char clk_name[8];
- unsigned int irq;
- int err = 0;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- irq = platform_get_irq(pdev, 0);
- if (!res || !irq) {
- dev_err(&pdev->dev, "Not enough CEU platform resources.\n");
- err = -ENODEV;
- goto exit;
- }
-
- pcdev = kzalloc(sizeof(*pcdev), GFP_KERNEL);
- if (!pcdev) {
- dev_err(&pdev->dev, "Could not allocate pcdev\n");
- err = -ENOMEM;
- goto exit;
- }
-
- platform_set_drvdata(pdev, pcdev);
- INIT_LIST_HEAD(&pcdev->capture);
- spin_lock_init(&pcdev->lock);
-
- pcdev->pdata = pdev->dev.platform_data;
- if (!pcdev->pdata) {
- err = -EINVAL;
- dev_err(&pdev->dev, "CEU platform data not set.\n");
- goto exit_kfree;
- }
-
- base = ioremap_nocache(res->start, res->end - res->start + 1);
- if (!base) {
- err = -ENXIO;
- dev_err(&pdev->dev, "Unable to ioremap CEU registers.\n");
- goto exit_kfree;
- }
-
- pcdev->irq = irq;
- pcdev->base = base;
- pcdev->video_limit = 0; /* only enabled if second resource exists */
- pcdev->dev = &pdev->dev;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (res) {
- err = dma_declare_coherent_memory(&pdev->dev, res->start,
- res->start,
- (res->end - res->start) + 1,
- DMA_MEMORY_MAP |
- DMA_MEMORY_EXCLUSIVE);
- if (!err) {
- dev_err(&pdev->dev, "Unable to declare CEU memory.\n");
- err = -ENXIO;
- goto exit_iounmap;
- }
-
- pcdev->video_limit = (res->end - res->start) + 1;
- }
-
- /* request irq */
- err = request_irq(pcdev->irq, sh_mobile_ceu_irq, IRQF_DISABLED,
- pdev->dev.bus_id, pcdev);
- if (err) {
- dev_err(&pdev->dev, "Unable to register CEU interrupt.\n");
- goto exit_release_mem;
- }
-
- snprintf(clk_name, sizeof(clk_name), "ceu%d", pdev->id);
- pcdev->clk = clk_get(&pdev->dev, clk_name);
- if (IS_ERR(pcdev->clk)) {
- dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
- err = PTR_ERR(pcdev->clk);
- goto exit_free_irq;
- }
-
- pcdev->ici.priv = pcdev;
- pcdev->ici.dev.parent = &pdev->dev;
- pcdev->ici.nr = pdev->id;
- pcdev->ici.drv_name = pdev->dev.bus_id,
- pcdev->ici.ops = &sh_mobile_ceu_host_ops,
-
- err = soc_camera_host_register(&pcdev->ici);
- if (err)
- goto exit_free_clk;
-
- return 0;
-
-exit_free_clk:
- clk_put(pcdev->clk);
-exit_free_irq:
- free_irq(pcdev->irq, pcdev);
-exit_release_mem:
- if (platform_get_resource(pdev, IORESOURCE_MEM, 1))
- dma_release_declared_memory(&pdev->dev);
-exit_iounmap:
- iounmap(base);
-exit_kfree:
- kfree(pcdev);
-exit:
- return err;
-}
-
-static int sh_mobile_ceu_remove(struct platform_device *pdev)
-{
- struct sh_mobile_ceu_dev *pcdev = platform_get_drvdata(pdev);
-
- soc_camera_host_unregister(&pcdev->ici);
- clk_put(pcdev->clk);
- free_irq(pcdev->irq, pcdev);
- if (platform_get_resource(pdev, IORESOURCE_MEM, 1))
- dma_release_declared_memory(&pdev->dev);
- iounmap(pcdev->base);
- kfree(pcdev);
- return 0;
-}
-
-static struct platform_driver sh_mobile_ceu_driver = {
- .driver = {
- .name = "sh_mobile_ceu",
- },
- .probe = sh_mobile_ceu_probe,
- .remove = sh_mobile_ceu_remove,
-};
-
-static int __init sh_mobile_ceu_init(void)
-{
- return platform_driver_register(&sh_mobile_ceu_driver);
-}
-
-static void __exit sh_mobile_ceu_exit(void)
-{
- platform_driver_unregister(&sh_mobile_ceu_driver);
-}
-
-module_init(sh_mobile_ceu_init);
-module_exit(sh_mobile_ceu_exit);
-
-MODULE_DESCRIPTION("SuperH Mobile CEU driver");
-MODULE_AUTHOR("Magnus Damm");
-MODULE_LICENSE("GPL");