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path: root/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
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Diffstat (limited to 'drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c')
-rw-r--r--drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c73
1 files changed, 50 insertions, 23 deletions
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
index fca5c6405eec..f3e4cdac1ef3 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
@@ -36,7 +36,7 @@
#define S5P_MFC_ENC_NAME "s5p-mfc-enc"
int mfc_debug_level;
-module_param_named(debug, mfc_debug_level, int, S_IRUGO | S_IWUSR);
+module_param_named(debug, mfc_debug_level, int, 0644);
MODULE_PARM_DESC(debug, "Debug level - higher value produces more verbose messages");
static char *mfc_mem_size;
@@ -148,11 +148,13 @@ static void s5p_mfc_watchdog(struct timer_list *t)
if (test_bit(0, &dev->hw_lock))
atomic_inc(&dev->watchdog_cnt);
if (atomic_read(&dev->watchdog_cnt) >= MFC_WATCHDOG_CNT) {
- /* This means that hw is busy and no interrupts were
+ /*
+ * This means that hw is busy and no interrupts were
* generated by hw for the Nth time of running this
* watchdog timer. This usually means a serious hw
* error. Now it is time to kill all instances and
- * reset the MFC. */
+ * reset the MFC.
+ */
mfc_err("Time out during waiting for HW\n");
schedule_work(&dev->watchdog_work);
}
@@ -172,8 +174,10 @@ static void s5p_mfc_watchdog_worker(struct work_struct *work)
dev = container_of(work, struct s5p_mfc_dev, watchdog_work);
mfc_err("Driver timeout error handling\n");
- /* Lock the mutex that protects open and release.
- * This is necessary as they may load and unload firmware. */
+ /*
+ * Lock the mutex that protects open and release.
+ * This is necessary as they may load and unload firmware.
+ */
mutex_locked = mutex_trylock(&dev->mfc_mutex);
if (!mutex_locked)
mfc_err("Error: some instance may be closing/opening\n");
@@ -197,8 +201,10 @@ static void s5p_mfc_watchdog_worker(struct work_struct *work)
/* De-init MFC */
s5p_mfc_deinit_hw(dev);
- /* Double check if there is at least one instance running.
- * If no instance is in memory than no firmware should be present */
+ /*
+ * Double check if there is at least one instance running.
+ * If no instance is in memory than no firmware should be present
+ */
if (dev->num_inst > 0) {
ret = s5p_mfc_load_firmware(dev);
if (ret) {
@@ -260,8 +266,10 @@ static void s5p_mfc_handle_frame_copy_time(struct s5p_mfc_ctx *ctx)
return;
dec_y_addr = (u32)s5p_mfc_hw_call(dev->mfc_ops, get_dec_y_adr, dev);
- /* Copy timestamp / timecode from decoded src to dst and set
- appropriate flags. */
+ /*
+ * Copy timestamp / timecode from decoded src to dst and set
+ * appropriate flags.
+ */
src_buf = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
list_for_each_entry(dst_buf, &ctx->dst_queue, list) {
u32 addr = (u32)vb2_dma_contig_plane_dma_addr(&dst_buf->b->vb2_buf, 0);
@@ -289,8 +297,10 @@ static void s5p_mfc_handle_frame_copy_time(struct s5p_mfc_ctx *ctx)
V4L2_BUF_FLAG_BFRAME;
break;
default:
- /* Don't know how to handle
- S5P_FIMV_DECODE_FRAME_OTHER_FRAME. */
+ /*
+ * Don't know how to handle
+ * S5P_FIMV_DECODE_FRAME_OTHER_FRAME.
+ */
mfc_debug(2, "Unexpected frame type: %d\n",
frame_type);
}
@@ -322,8 +332,10 @@ static void s5p_mfc_handle_frame_new(struct s5p_mfc_ctx *ctx, unsigned int err)
return;
}
ctx->sequence++;
- /* The MFC returns address of the buffer, now we have to
- * check which vb2_buffer does it correspond to */
+ /*
+ * The MFC returns address of the buffer, now we have to
+ * check which vb2_buffer does it correspond to
+ */
list_for_each_entry(dst_buf, &ctx->dst_queue, list) {
u32 addr = (u32)vb2_dma_contig_plane_dma_addr(&dst_buf->b->vb2_buf, 0);
@@ -476,8 +488,10 @@ static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev,
case MFCINST_FINISHING:
case MFCINST_FINISHED:
case MFCINST_RUNNING:
- /* It is highly probable that an error occurred
- * while decoding a frame */
+ /*
+ * It is highly probable that an error occurred
+ * while decoding a frame
+ */
clear_work_bit(ctx);
ctx->state = MFCINST_ERROR;
/* Mark all dst buffers as having an error */
@@ -535,6 +549,7 @@ static void s5p_mfc_handle_seq_done(struct s5p_mfc_ctx *ctx,
ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) &&
!list_empty(&ctx->src_queue)) {
struct s5p_mfc_buf *src_buf;
+
src_buf = list_entry(ctx->src_queue.next,
struct s5p_mfc_buf, list);
if (s5p_mfc_hw_call(dev->mfc_ops, get_consumed_stream,
@@ -951,7 +966,7 @@ static int s5p_mfc_release(struct file *file)
/*
* If instance was initialised and not yet freed,
* return instance and free resources
- */
+ */
if (ctx->state != MFCINST_FREE && ctx->state != MFCINST_INIT) {
mfc_debug(2, "Has to free instance\n");
s5p_mfc_close_mfc_inst(dev, ctx);
@@ -1047,10 +1062,10 @@ static int s5p_mfc_mmap(struct file *file, struct vm_area_struct *vma)
int ret;
if (offset < DST_QUEUE_OFF_BASE) {
- mfc_debug(2, "mmaping source\n");
+ mfc_debug(2, "mmapping source\n");
ret = vb2_mmap(&ctx->vq_src, vma);
} else { /* capture */
- mfc_debug(2, "mmaping destination\n");
+ mfc_debug(2, "mmapping destination\n");
vma->vm_pgoff -= (DST_QUEUE_OFF_BASE >> PAGE_SHIFT);
ret = vb2_mmap(&ctx->vq_dst, vma);
}
@@ -1149,7 +1164,6 @@ static int s5p_mfc_configure_2port_memory(struct s5p_mfc_dev *mfc_dev)
bank2_virt = dma_alloc_coherent(mfc_dev->mem_dev[BANK_R_CTX],
align_size, &bank2_dma_addr, GFP_KERNEL);
if (!bank2_virt) {
- mfc_err("Allocating bank2 base failed\n");
s5p_mfc_release_firmware(mfc_dev);
device_unregister(mfc_dev->mem_dev[BANK_R_CTX]);
device_unregister(mfc_dev->mem_dev[BANK_L_CTX]);
@@ -1318,7 +1332,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
/*
* Load fails if fs isn't mounted. Try loading anyway.
- * _open() will load it, it it fails now. Ignore failure.
+ * _open() will load it, it fails now. Ignore failure.
*/
s5p_mfc_load_firmware(dev);
@@ -1429,7 +1443,7 @@ static int s5p_mfc_remove(struct platform_device *pdev)
* Clear ctx dev pointer to avoid races between s5p_mfc_remove()
* and s5p_mfc_release() and s5p_mfc_release() accessing ctx->dev
* after s5p_mfc_remove() is run during unbind.
- */
+ */
mutex_lock(&dev->mfc_mutex);
for (i = 0; i < MFC_NUM_CONTEXTS; i++) {
ctx = dev->ctx[i];
@@ -1576,8 +1590,18 @@ static struct s5p_mfc_variant mfc_drvdata_v7 = {
.port_num = MFC_NUM_PORTS_V7,
.buf_size = &buf_size_v7,
.fw_name[0] = "s5p-mfc-v7.fw",
- .clk_names = {"mfc", "sclk_mfc"},
- .num_clocks = 2,
+ .clk_names = {"mfc"},
+ .num_clocks = 1,
+};
+
+static struct s5p_mfc_variant mfc_drvdata_v7_3250 = {
+ .version = MFC_VERSION_V7,
+ .version_bit = MFC_V7_BIT,
+ .port_num = MFC_NUM_PORTS_V7,
+ .buf_size = &buf_size_v7,
+ .fw_name[0] = "s5p-mfc-v7.fw",
+ .clk_names = {"mfc", "sclk_mfc"},
+ .num_clocks = 2,
};
static struct s5p_mfc_buf_size_v6 mfc_buf_size_v8 = {
@@ -1648,6 +1672,9 @@ static const struct of_device_id exynos_mfc_match[] = {
.compatible = "samsung,mfc-v7",
.data = &mfc_drvdata_v7,
}, {
+ .compatible = "samsung,exynos3250-mfc",
+ .data = &mfc_drvdata_v7_3250,
+ }, {
.compatible = "samsung,mfc-v8",
.data = &mfc_drvdata_v8,
}, {
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 14:25:31 +0000