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authorJavier Martin <javier.martin@vista-silicon.com>2012-10-30 11:28:59 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-05 01:47:16 -0200
commit9b556953224080d81754bfe764ab1899fc069edc (patch)
treebb8f259adb6b594b8842e87dd361cfa52db3ba70 /drivers/media/platform
parent70e176a5a9839ea22f0fbcfa21d1c8ae952a0dd2 (diff)
[media] mx2_camera: Remove i.mx25 support
i.MX25 support has been broken for several releases now and nobody seems to care about it. Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> [g.liakhovetski@gmx.de: rebased on top of cpu_is_mx27() removal] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform')
-rw-r--r--drivers/media/platform/soc_camera/Kconfig7
-rw-r--r--drivers/media/platform/soc_camera/mx2_camera.c476
2 files changed, 115 insertions, 368 deletions
diff --git a/drivers/media/platform/soc_camera/Kconfig b/drivers/media/platform/soc_camera/Kconfig
index cb6791e62bd4..b139b525bb16 100644
--- a/drivers/media/platform/soc_camera/Kconfig
+++ b/drivers/media/platform/soc_camera/Kconfig
@@ -70,13 +70,12 @@ config VIDEO_MX2_HOSTSUPPORT
bool
config VIDEO_MX2
- tristate "i.MX27/i.MX25 Camera Sensor Interface driver"
- depends on VIDEO_DEV && SOC_CAMERA && (MACH_MX27 || (ARCH_MX25 && BROKEN))
+ tristate "i.MX27 Camera Sensor Interface driver"
+ depends on VIDEO_DEV && SOC_CAMERA && MACH_MX27
select VIDEOBUF2_DMA_CONTIG
select VIDEO_MX2_HOSTSUPPORT
---help---
- This is a v4l2 driver for the i.MX27 and the i.MX25 Camera Sensor
- Interface
+ This is a v4l2 driver for the i.MX27 Camera Sensor Interface
config VIDEO_ATMEL_ISI
tristate "ATMEL Image Sensor Interface (ISI) support"
diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c
index bf2740f7c4d1..c0511c001be1 100644
--- a/drivers/media/platform/soc_camera/mx2_camera.c
+++ b/drivers/media/platform/soc_camera/mx2_camera.c
@@ -1,5 +1,5 @@
/*
- * V4L2 Driver for i.MX27/i.MX25 camera host
+ * V4L2 Driver for i.MX27 camera host
*
* Copyright (C) 2008, Sascha Hauer, Pengutronix
* Copyright (C) 2010, Baruch Siach, Orex Computed Radiography
@@ -63,9 +63,7 @@
#define CSICR1_RF_OR_INTEN (1 << 24)
#define CSICR1_STATFF_LEVEL (3 << 22)
#define CSICR1_STATFF_INTEN (1 << 21)
-#define CSICR1_RXFF_LEVEL(l) (((l) & 3) << 19) /* MX27 */
-#define CSICR1_FB2_DMA_INTEN (1 << 20) /* MX25 */
-#define CSICR1_FB1_DMA_INTEN (1 << 19) /* MX25 */
+#define CSICR1_RXFF_LEVEL(l) (((l) & 3) << 19)
#define CSICR1_RXFF_INTEN (1 << 18)
#define CSICR1_SOF_POL (1 << 17)
#define CSICR1_SOF_INTEN (1 << 16)
@@ -87,45 +85,15 @@
#define SHIFT_RXFF_LEVEL 19
#define SHIFT_MCLKDIV 12
-/* control reg 3 */
-#define CSICR3_FRMCNT (0xFFFF << 16)
-#define CSICR3_FRMCNT_RST (1 << 15)
-#define CSICR3_DMA_REFLASH_RFF (1 << 14)
-#define CSICR3_DMA_REFLASH_SFF (1 << 13)
-#define CSICR3_DMA_REQ_EN_RFF (1 << 12)
-#define CSICR3_DMA_REQ_EN_SFF (1 << 11)
-#define CSICR3_RXFF_LEVEL(l) (((l) & 7) << 4) /* MX25 */
-#define CSICR3_CSI_SUP (1 << 3)
-#define CSICR3_ZERO_PACK_EN (1 << 2)
-#define CSICR3_ECC_INT_EN (1 << 1)
-#define CSICR3_ECC_AUTO_EN (1 << 0)
-
#define SHIFT_FRMCNT 16
-/* csi status reg */
-#define CSISR_SFF_OR_INT (1 << 25)
-#define CSISR_RFF_OR_INT (1 << 24)
-#define CSISR_STATFF_INT (1 << 21)
-#define CSISR_DMA_TSF_FB2_INT (1 << 20) /* MX25 */
-#define CSISR_DMA_TSF_FB1_INT (1 << 19) /* MX25 */
-#define CSISR_RXFF_INT (1 << 18)
-#define CSISR_EOF_INT (1 << 17)
-#define CSISR_SOF_INT (1 << 16)
-#define CSISR_F2_INT (1 << 15)
-#define CSISR_F1_INT (1 << 14)
-#define CSISR_COF_INT (1 << 13)
-#define CSISR_ECC_INT (1 << 1)
-#define CSISR_DRDY (1 << 0)
-
#define CSICR1 0x00
#define CSICR2 0x04
-#define CSISR_IMX25 0x18
-#define CSISR_IMX27 0x08
+#define CSISR 0x08
#define CSISTATFIFO 0x0c
#define CSIRFIFO 0x10
#define CSIRXCNT 0x14
-#define CSICR3_IMX25 0x08
-#define CSICR3_IMX27 0x1c
+#define CSICR3 0x1c
#define CSIDMASA_STATFIFO 0x20
#define CSIDMATA_STATFIFO 0x24
#define CSIDMASA_FB1 0x28
@@ -269,7 +237,6 @@ struct mx2_buffer {
};
enum mx2_camera_type {
- IMX25_CAMERA,
IMX27_CAMERA,
};
@@ -297,8 +264,6 @@ struct mx2_camera_dev {
struct mx2_buffer *fb2_active;
u32 csicr1;
- u32 reg_csisr;
- u32 reg_csicr3;
enum mx2_camera_type devtype;
struct mx2_buf_internal buf_discard[2];
@@ -314,9 +279,6 @@ struct mx2_camera_dev {
static struct platform_device_id mx2_camera_devtype[] = {
{
- .name = "imx25-camera",
- .driver_data = IMX25_CAMERA,
- }, {
.name = "imx27-camera",
.driver_data = IMX27_CAMERA,
}, {
@@ -325,16 +287,6 @@ static struct platform_device_id mx2_camera_devtype[] = {
};
MODULE_DEVICE_TABLE(platform, mx2_camera_devtype);
-static inline int is_imx25_camera(struct mx2_camera_dev *pcdev)
-{
- return pcdev->devtype == IMX25_CAMERA;
-}
-
-static inline int is_imx27_camera(struct mx2_camera_dev *pcdev)
-{
- return pcdev->devtype == IMX27_CAMERA;
-}
-
static struct mx2_buffer *mx2_ibuf_to_buf(struct mx2_buf_internal *int_buf)
{
return container_of(int_buf, struct mx2_buffer, internal);
@@ -462,21 +414,10 @@ static void mx27_update_emma_buf(struct mx2_camera_dev *pcdev,
static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev)
{
- unsigned long flags;
-
clk_disable_unprepare(pcdev->clk_csi_ahb);
clk_disable_unprepare(pcdev->clk_csi_per);
writel(0, pcdev->base_csi + CSICR1);
- if (is_imx27_camera(pcdev)) {
- writel(0, pcdev->base_emma + PRP_CNTL);
- } else if (is_imx25_camera(pcdev)) {
- spin_lock_irqsave(&pcdev->lock, flags);
- pcdev->fb1_active = NULL;
- pcdev->fb2_active = NULL;
- writel(0, pcdev->base_csi + CSIDMASA_FB1);
- writel(0, pcdev->base_csi + CSIDMASA_FB2);
- spin_unlock_irqrestore(&pcdev->lock, flags);
- }
+ writel(0, pcdev->base_emma + PRP_CNTL);
}
/*
@@ -501,11 +442,8 @@ static int mx2_camera_add_device(struct soc_camera_device *icd)
if (ret < 0)
goto exit_csi_ahb;
- csicr1 = CSICR1_MCLKEN;
-
- if (is_imx27_camera(pcdev))
- csicr1 |= CSICR1_PRP_IF_EN | CSICR1_FCC |
- CSICR1_RXFF_LEVEL(0);
+ csicr1 = CSICR1_MCLKEN | CSICR1_PRP_IF_EN | CSICR1_FCC |
+ CSICR1_RXFF_LEVEL(0);
pcdev->csicr1 = csicr1;
writel(pcdev->csicr1, pcdev->base_csi + CSICR1);
@@ -539,65 +477,6 @@ static void mx2_camera_remove_device(struct soc_camera_device *icd)
pcdev->icd = NULL;
}
-static void mx25_camera_frame_done(struct mx2_camera_dev *pcdev, int fb,
- int state)
-{
- struct vb2_buffer *vb;
- struct mx2_buffer *buf;
- struct mx2_buffer **fb_active = fb == 1 ? &pcdev->fb1_active :
- &pcdev->fb2_active;
- u32 fb_reg = fb == 1 ? CSIDMASA_FB1 : CSIDMASA_FB2;
- unsigned long flags;
-
- spin_lock_irqsave(&pcdev->lock, flags);
-
- if (*fb_active == NULL)
- goto out;
-
- vb = &(*fb_active)->vb;
- dev_dbg(pcdev->dev, "%s (vb=0x%p) 0x%p %lu\n", __func__,
- vb, vb2_plane_vaddr(vb, 0), vb2_get_plane_payload(vb, 0));
-
- v4l2_get_timestamp(&vb->v4l2_buf.timestamp);
- vb->v4l2_buf.sequence++;
- vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
-
- if (list_empty(&pcdev->capture)) {
- buf = NULL;
- writel(0, pcdev->base_csi + fb_reg);
- } else {
- buf = list_first_entry(&pcdev->capture, struct mx2_buffer,
- internal.queue);
- vb = &buf->vb;
- list_del(&buf->internal.queue);
- buf->state = MX2_STATE_ACTIVE;
- writel(vb2_dma_contig_plane_dma_addr(vb, 0),
- pcdev->base_csi + fb_reg);
- }
-
- *fb_active = buf;
-
-out:
- spin_unlock_irqrestore(&pcdev->lock, flags);
-}
-
-static irqreturn_t mx25_camera_irq(int irq_csi, void *data)
-{
- struct mx2_camera_dev *pcdev = data;
- u32 status = readl(pcdev->base_csi + pcdev->reg_csisr);
-
- if (status & CSISR_DMA_TSF_FB1_INT)
- mx25_camera_frame_done(pcdev, 1, MX2_STATE_DONE);
- else if (status & CSISR_DMA_TSF_FB2_INT)
- mx25_camera_frame_done(pcdev, 2, MX2_STATE_DONE);
-
- /* FIXME: handle CSISR_RFF_OR_INT */
-
- writel(status, pcdev->base_csi + pcdev->reg_csisr);
-
- return IRQ_HANDLED;
-}
-
/*
* Videobuf operations
*/
@@ -678,54 +557,17 @@ static void mx2_videobuf_queue(struct vb2_buffer *vb)
buf->state = MX2_STATE_QUEUED;
list_add_tail(&buf->internal.queue, &pcdev->capture);
- if (is_imx25_camera(pcdev)) {
- u32 csicr3, dma_inten = 0;
-
- if (pcdev->fb1_active == NULL) {
- writel(vb2_dma_contig_plane_dma_addr(vb, 0),
- pcdev->base_csi + CSIDMASA_FB1);
- pcdev->fb1_active = buf;
- dma_inten = CSICR1_FB1_DMA_INTEN;
- } else if (pcdev->fb2_active == NULL) {
- writel(vb2_dma_contig_plane_dma_addr(vb, 0),
- pcdev->base_csi + CSIDMASA_FB2);
- pcdev->fb2_active = buf;
- dma_inten = CSICR1_FB2_DMA_INTEN;
- }
-
- if (dma_inten) {
- list_del(&buf->internal.queue);
- buf->state = MX2_STATE_ACTIVE;
-
- csicr3 = readl(pcdev->base_csi + pcdev->reg_csicr3);
-
- /* Reflash DMA */
- writel(csicr3 | CSICR3_DMA_REFLASH_RFF,
- pcdev->base_csi + pcdev->reg_csicr3);
-
- /* clear & enable interrupts */
- writel(dma_inten, pcdev->base_csi + pcdev->reg_csisr);
- pcdev->csicr1 |= dma_inten;
- writel(pcdev->csicr1, pcdev->base_csi + CSICR1);
-
- /* enable DMA */
- csicr3 |= CSICR3_DMA_REQ_EN_RFF | CSICR3_RXFF_LEVEL(1);
- writel(csicr3, pcdev->base_csi + pcdev->reg_csicr3);
- }
- }
-
spin_unlock_irqrestore(&pcdev->lock, flags);
}
static void mx2_videobuf_release(struct vb2_buffer *vb)
{
+#ifdef DEBUG
struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue);
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct mx2_camera_dev *pcdev = ici->priv;
struct mx2_buffer *buf = container_of(vb, struct mx2_buffer, vb);
- unsigned long flags;
-#ifdef DEBUG
dev_dbg(icd->parent, "%s (vb=0x%p) 0x%p %lu\n", __func__,
vb, vb2_plane_vaddr(vb, 0), vb2_get_plane_payload(vb, 0));
@@ -744,29 +586,11 @@ static void mx2_videobuf_release(struct vb2_buffer *vb)
#endif
/*
- * Terminate only queued but inactive buffers. Active buffers are
- * released when they become inactive after videobuf_waiton().
- *
* FIXME: implement forced termination of active buffers for mx27 and
* mx27 eMMA, so that the user won't get stuck in an uninterruptible
* state. This requires a specific handling for each of the these DMA
* types.
*/
-
- spin_lock_irqsave(&pcdev->lock, flags);
- if (is_imx25_camera(pcdev) && buf->state == MX2_STATE_ACTIVE) {
- if (pcdev->fb1_active == buf) {
- pcdev->csicr1 &= ~CSICR1_FB1_DMA_INTEN;
- writel(0, pcdev->base_csi + CSIDMASA_FB1);
- pcdev->fb1_active = NULL;
- } else if (pcdev->fb2_active == buf) {
- pcdev->csicr1 &= ~CSICR1_FB2_DMA_INTEN;
- writel(0, pcdev->base_csi + CSIDMASA_FB2);
- pcdev->fb2_active = NULL;
- }
- writel(pcdev->csicr1, pcdev->base_csi + CSICR1);
- }
- spin_unlock_irqrestore(&pcdev->lock, flags);
}
static void mx27_camera_emma_buf_init(struct soc_camera_device *icd,
@@ -876,91 +700,89 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count)
struct mx2_buffer *buf;
unsigned long phys;
int bytesperline;
+ unsigned long flags;
- if (is_imx27_camera(pcdev)) {
- unsigned long flags;
- if (count < 2)
- return -EINVAL;
+ if (count < 2)
+ return -EINVAL;
- spin_lock_irqsave(&pcdev->lock, flags);
+ spin_lock_irqsave(&pcdev->lock, flags);
- buf = list_first_entry(&pcdev->capture, struct mx2_buffer,
- internal.queue);
- buf->internal.bufnum = 0;
- vb = &buf->vb;
- buf->state = MX2_STATE_ACTIVE;
+ buf = list_first_entry(&pcdev->capture, struct mx2_buffer,
+ internal.queue);
+ buf->internal.bufnum = 0;
+ vb = &buf->vb;
+ buf->state = MX2_STATE_ACTIVE;
- phys = vb2_dma_contig_plane_dma_addr(vb, 0);
- mx27_update_emma_buf(pcdev, phys, buf->internal.bufnum);
- list_move_tail(pcdev->capture.next, &pcdev->active_bufs);
+ phys = vb2_dma_contig_plane_dma_addr(vb, 0);
+ mx27_update_emma_buf(pcdev, phys, buf->internal.bufnum);
+ list_move_tail(pcdev->capture.next, &pcdev->active_bufs);
- buf = list_first_entry(&pcdev->capture, struct mx2_buffer,
- internal.queue);
- buf->internal.bufnum = 1;
- vb = &buf->vb;
- buf->state = MX2_STATE_ACTIVE;
+ buf = list_first_entry(&pcdev->capture, struct mx2_buffer,
+ internal.queue);
+ buf->internal.bufnum = 1;
+ vb = &buf->vb;
+ buf->state = MX2_STATE_ACTIVE;
- phys = vb2_dma_contig_plane_dma_addr(vb, 0);
- mx27_update_emma_buf(pcdev, phys, buf->internal.bufnum);
- list_move_tail(pcdev->capture.next, &pcdev->active_bufs);
-
- bytesperline = soc_mbus_bytes_per_line(icd->user_width,
- icd->current_fmt->host_fmt);
- if (bytesperline < 0) {
- spin_unlock_irqrestore(&pcdev->lock, flags);
- return bytesperline;
- }
+ phys = vb2_dma_contig_plane_dma_addr(vb, 0);
+ mx27_update_emma_buf(pcdev, phys, buf->internal.bufnum);
+ list_move_tail(pcdev->capture.next, &pcdev->active_bufs);
- /*
- * I didn't manage to properly enable/disable the prp
- * on a per frame basis during running transfers,
- * thus we allocate a buffer here and use it to
- * discard frames when no buffer is available.
- * Feel free to work on this ;)
- */
- pcdev->discard_size = icd->user_height * bytesperline;
- pcdev->discard_buffer = dma_alloc_coherent(ici->v4l2_dev.dev,
- pcdev->discard_size, &pcdev->discard_buffer_dma,
- GFP_ATOMIC);
- if (!pcdev->discard_buffer) {
- spin_unlock_irqrestore(&pcdev->lock, flags);
- return -ENOMEM;
- }
+ bytesperline = soc_mbus_bytes_per_line(icd->user_width,
+ icd->current_fmt->host_fmt);
+ if (bytesperline < 0) {
+ spin_unlock_irqrestore(&pcdev->lock, flags);
+ return bytesperline;
+ }
- pcdev->buf_discard[0].discard = true;
- list_add_tail(&pcdev->buf_discard[0].queue,
- &pcdev->discard);
+ /*
+ * I didn't manage to properly enable/disable the prp
+ * on a per frame basis during running transfers,
+ * thus we allocate a buffer here and use it to
+ * discard frames when no buffer is available.
+ * Feel free to work on this ;)
+ */
+ pcdev->discard_size = icd->user_height * bytesperline;
+ pcdev->discard_buffer = dma_alloc_coherent(ici->v4l2_dev.dev,
+ pcdev->discard_size,
+ &pcdev->discard_buffer_dma, GFP_ATOMIC);
+ if (!pcdev->discard_buffer) {
+ spin_unlock_irqrestore(&pcdev->lock, flags);
+ return -ENOMEM;
+ }
- pcdev->buf_discard[1].discard = true;
- list_add_tail(&pcdev->buf_discard[1].queue,
- &pcdev->discard);
+ pcdev->buf_discard[0].discard = true;
+ list_add_tail(&pcdev->buf_discard[0].queue,
+ &pcdev->discard);
- mx2_prp_resize_commit(pcdev);
+ pcdev->buf_discard[1].discard = true;
+ list_add_tail(&pcdev->buf_discard[1].queue,
+ &pcdev->discard);
- mx27_camera_emma_buf_init(icd, bytesperline);
+ mx2_prp_resize_commit(pcdev);
- if (prp->cfg.channel == 1) {
- writel(PRP_CNTL_CH1EN |
- PRP_CNTL_CSIEN |
- prp->cfg.in_fmt |
- prp->cfg.out_fmt |
- PRP_CNTL_CH1_LEN |
- PRP_CNTL_CH1BYP |
- PRP_CNTL_CH1_TSKIP(0) |
- PRP_CNTL_IN_TSKIP(0),
- pcdev->base_emma + PRP_CNTL);
- } else {
- writel(PRP_CNTL_CH2EN |
- PRP_CNTL_CSIEN |
- prp->cfg.in_fmt |
- prp->cfg.out_fmt |
- PRP_CNTL_CH2_LEN |
- PRP_CNTL_CH2_TSKIP(0) |
- PRP_CNTL_IN_TSKIP(0),
- pcdev->base_emma + PRP_CNTL);
- }
- spin_unlock_irqrestore(&pcdev->lock, flags);
+ mx27_camera_emma_buf_init(icd, bytesperline);
+
+ if (prp->cfg.channel == 1) {
+ writel(PRP_CNTL_CH1EN |
+ PRP_CNTL_CSIEN |
+ prp->cfg.in_fmt |
+ prp->cfg.out_fmt |
+ PRP_CNTL_CH1_LEN |
+ PRP_CNTL_CH1BYP |
+ PRP_CNTL_CH1_TSKIP(0) |
+ PRP_CNTL_IN_TSKIP(0),
+ pcdev->base_emma + PRP_CNTL);
+ } else {
+ writel(PRP_CNTL_CH2EN |
+ PRP_CNTL_CSIEN |
+ prp->cfg.in_fmt |
+ prp->cfg.out_fmt |
+ PRP_CNTL_CH2_LEN |
+ PRP_CNTL_CH2_TSKIP(0) |
+ PRP_CNTL_IN_TSKIP(0),
+ pcdev->base_emma + PRP_CNTL);
}
+ spin_unlock_irqrestore(&pcdev->lock, flags);
return 0;
}
@@ -976,29 +798,27 @@ static int mx2_stop_streaming(struct vb2_queue *q)
void *b;
u32 cntl;
- if (is_imx27_camera(pcdev)) {
- spin_lock_irqsave(&pcdev->lock, flags);
+ spin_lock_irqsave(&pcdev->lock, flags);
- cntl = readl(pcdev->base_emma + PRP_CNTL);
- if (prp->cfg.channel == 1) {
- writel(cntl & ~PRP_CNTL_CH1EN,
- pcdev->base_emma + PRP_CNTL);
- } else {
- writel(cntl & ~PRP_CNTL_CH2EN,
- pcdev->base_emma + PRP_CNTL);
- }
- INIT_LIST_HEAD(&pcdev->capture);
- INIT_LIST_HEAD(&pcdev->active_bufs);
- INIT_LIST_HEAD(&pcdev->discard);
+ cntl = readl(pcdev->base_emma + PRP_CNTL);
+ if (prp->cfg.channel == 1) {
+ writel(cntl & ~PRP_CNTL_CH1EN,
+ pcdev->base_emma + PRP_CNTL);
+ } else {
+ writel(cntl & ~PRP_CNTL_CH2EN,
+ pcdev->base_emma + PRP_CNTL);
+ }
+ INIT_LIST_HEAD(&pcdev->capture);
+ INIT_LIST_HEAD(&pcdev->active_bufs);
+ INIT_LIST_HEAD(&pcdev->discard);
- b = pcdev->discard_buffer;
- pcdev->discard_buffer = NULL;
+ b = pcdev->discard_buffer;
+ pcdev->discard_buffer = NULL;
- spin_unlock_irqrestore(&pcdev->lock, flags);
+ spin_unlock_irqrestore(&pcdev->lock, flags);
- dma_free_coherent(ici->v4l2_dev.dev,
- pcdev->discard_size, b, pcdev->discard_buffer_dma);
- }
+ dma_free_coherent(ici->v4l2_dev.dev,
+ pcdev->discard_size, b, pcdev->discard_buffer_dma);
return 0;
}
@@ -1128,16 +948,9 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd)
if (bytesperline < 0)
return bytesperline;
- if (is_imx27_camera(pcdev)) {
- ret = mx27_camera_emma_prp_reset(pcdev);
- if (ret)
- return ret;
- } else if (is_imx25_camera(pcdev)) {
- writel((bytesperline * icd->user_height) >> 2,
- pcdev->base_csi + CSIRXCNT);
- writel((bytesperline << 16) | icd->user_height,
- pcdev->base_csi + CSIIMAG_PARA);
- }
+ ret = mx27_camera_emma_prp_reset(pcdev);
+ if (ret)
+ return ret;
writel(pcdev->csicr1, pcdev->base_csi + CSICR1);
@@ -1424,7 +1237,6 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd,
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct mx2_camera_dev *pcdev = ici->priv;
struct mx2_fmt_cfg *emma_prp;
- unsigned int width_limit;
int ret;
dev_dbg(icd->parent, "%s: requested params: width = %d, height = %d\n",
@@ -1436,44 +1248,11 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd,
return -EINVAL;
}
- /* limit to MX25 hardware capabilities */
- if (is_imx25_camera(pcdev)) {
- if (xlate->host_fmt->bits_per_sample <= 8)
- width_limit = 0xffff * 4;
- else
- width_limit = 0xffff * 2;
- /* CSIIMAG_PARA limit */
- if (pix->width > width_limit)
- pix->width = width_limit;
- if (pix->height > 0xffff)
- pix->height = 0xffff;
-
- pix->bytesperline = soc_mbus_bytes_per_line(pix->width,
- xlate->host_fmt);
- if (pix->bytesperline < 0)
- return pix->bytesperline;
- pix->sizeimage = soc_mbus_image_size(xlate->host_fmt,
- pix->bytesperline, pix->height);
- /* Check against the CSIRXCNT limit */
- if (pix->sizeimage > 4 * 0x3ffff) {
- /* Adjust geometry, preserve aspect ratio */
- unsigned int new_height = int_sqrt(div_u64(0x3ffffULL *
- 4 * pix->height, pix->bytesperline));
- pix->width = new_height * pix->width / pix->height;
- pix->height = new_height;
- pix->bytesperline = soc_mbus_bytes_per_line(pix->width,
- xlate->host_fmt);
- BUG_ON(pix->bytesperline < 0);
- pix->sizeimage = soc_mbus_image_size(xlate->host_fmt,
- pix->bytesperline, pix->height);
- }
- } else {
- /*
- * Width must be a multiple of 8 as requested by the CSI.
- * (Table 39-2 in the i.MX27 Reference Manual).
- */
- pix->width &= ~0x7;
- }
+ /*
+ * limit to MX27 hardware capabilities: width must be a multiple of 8 as
+ * requested by the CSI. (Table 39-2 in the i.MX27 Reference Manual).
+ */
+ pix->width &= ~0x7;
/* limit to sensor capabilities */
mf.width = pix->width;
@@ -1491,7 +1270,7 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd,
/* If the sensor does not support image size try PrP resizing */
emma_prp = mx27_emma_prp_get_format(xlate->code,
- xlate->host_fmt->fourcc);
+ xlate->host_fmt->fourcc);
if ((mf.width != pix->width || mf.height != pix->height) &&
emma_prp->cfg.in_fmt == PRP_CNTL_DATA_IN_YUV422) {
@@ -1777,20 +1556,6 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev)
goto exit;
}
- pcdev->devtype = pdev->id_entry->driver_data;
- switch (pcdev->devtype) {
- case IMX25_CAMERA:
- pcdev->reg_csisr = CSISR_IMX25;
- pcdev->reg_csicr3 = CSICR3_IMX25;
- break;
- case IMX27_CAMERA:
- pcdev->reg_csisr = CSISR_IMX27;
- pcdev->reg_csicr3 = CSICR3_IMX27;
- break;
- default:
- break;
- }
-
pcdev->clk_csi_ahb = devm_clk_get(&pdev->dev, "ahb");
if (IS_ERR(pcdev->clk_csi_ahb)) {
dev_err(&pdev->dev, "Could not get csi ahb clock\n");
@@ -1836,20 +1601,9 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev)
pcdev->dev = &pdev->dev;
platform_set_drvdata(pdev, pcdev);
- if (is_imx25_camera(pcdev)) {
- err = devm_request_irq(&pdev->dev, irq_csi, mx25_camera_irq, 0,
- MX2_CAM_DRV_NAME, pcdev);
- if (err) {
- dev_err(pcdev->dev, "Camera interrupt register failed \n");
- goto exit;
- }
- }
-
- if (is_imx27_camera(pcdev)) {
- err = mx27_camera_emma_init(pdev);
- if (err)
- goto exit;
- }
+ err = mx27_camera_emma_init(pdev);
+ if (err)
+ goto exit;
/*
* We're done with drvdata here. Clear the pointer so that
@@ -1862,8 +1616,6 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev)
pcdev->soc_host.priv = pcdev;
pcdev->soc_host.v4l2_dev.dev = &pdev->dev;
pcdev->soc_host.nr = pdev->id;
- if (is_imx25_camera(pcdev))
- pcdev->soc_host.capabilities = SOCAM_HOST_CAP_STRIDE;
pcdev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
if (IS_ERR(pcdev->alloc_ctx)) {
@@ -1882,10 +1634,8 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev)
exit_free_emma:
vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx);
eallocctx:
- if (is_imx27_camera(pcdev)) {
- clk_disable_unprepare(pcdev->clk_emma_ipg);
- clk_disable_unprepare(pcdev->clk_emma_ahb);
- }
+ clk_disable_unprepare(pcdev->clk_emma_ipg);
+ clk_disable_unprepare(pcdev->clk_emma_ahb);
exit:
return err;
}
@@ -1900,10 +1650,8 @@ static int __devexit mx2_camera_remove(struct platform_device *pdev)
vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx);
- if (is_imx27_camera(pcdev)) {
- clk_disable_unprepare(pcdev->clk_emma_ipg);
- clk_disable_unprepare(pcdev->clk_emma_ahb);
- }
+ clk_disable_unprepare(pcdev->clk_emma_ipg);
+ clk_disable_unprepare(pcdev->clk_emma_ahb);
dev_info(&pdev->dev, "MX2 Camera driver unloaded\n");
@@ -1932,7 +1680,7 @@ static void __exit mx2_camera_exit(void)
module_init(mx2_camera_init);
module_exit(mx2_camera_exit);
-MODULE_DESCRIPTION("i.MX27/i.MX25 SoC Camera Host driver");
+MODULE_DESCRIPTION("i.MX27 SoC Camera Host driver");
MODULE_AUTHOR("Sascha Hauer <sha@pengutronix.de>");
MODULE_LICENSE("GPL");
MODULE_VERSION(MX2_CAM_VERSION);

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