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path: root/drivers/media/platform/s5p-mfc/s5p_mfc.c
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Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc.c')
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc.c148
1 files changed, 111 insertions, 37 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 681bc6ba149..6347f09ca78 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -21,6 +21,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-event.h>
#include <linux/workqueue.h>
+#include <linux/of.h>
#include <media/videobuf2-core.h>
#include "s5p_mfc_common.h"
#include "s5p_mfc_ctrl.h"
@@ -273,7 +274,6 @@ static void s5p_mfc_handle_frame_new(struct s5p_mfc_ctx *ctx, unsigned int err)
struct s5p_mfc_buf *dst_buf;
size_t dspl_y_addr;
unsigned int frame_type;
- unsigned int index;
dspl_y_addr = s5p_mfc_hw_call(dev->mfc_ops, get_dspl_y_adr, dev);
frame_type = s5p_mfc_hw_call(dev->mfc_ops, get_dec_frame_type, dev);
@@ -310,7 +310,6 @@ static void s5p_mfc_handle_frame_new(struct s5p_mfc_ctx *ctx, unsigned int err)
vb2_buffer_done(dst_buf->b,
err ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
- index = dst_buf->b->v4l2_buf.index;
break;
}
}
@@ -326,8 +325,6 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx,
unsigned long flags;
unsigned int res_change;
- unsigned int index;
-
dst_frame_status = s5p_mfc_hw_call(dev->mfc_ops, get_dspl_status, dev)
& S5P_FIMV_DEC_STATUS_DECODING_STATUS_MASK;
res_change = (s5p_mfc_hw_call(dev->mfc_ops, get_dspl_status, dev)
@@ -387,7 +384,6 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx,
mfc_debug(2, "Running again the same buffer\n");
ctx->after_packed_pb = 1;
} else {
- index = src_buf->b->v4l2_buf.index;
mfc_debug(2, "MFC needs next buffer\n");
ctx->consumed_stream = 0;
list_del(&src_buf->list);
@@ -676,6 +672,12 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
s5p_mfc_handle_stream_complete(ctx, reason, err);
break;
+ case S5P_MFC_R2H_CMD_DPB_FLUSH_RET:
+ clear_work_bit(ctx);
+ ctx->state = MFCINST_RUNNING;
+ wake_up(&ctx->queue);
+ goto irq_cleanup_hw;
+
default:
mfc_debug(2, "Unknown int reason\n");
s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
@@ -777,14 +779,16 @@ static int s5p_mfc_open(struct file *file)
goto err_pwr_enable;
}
s5p_mfc_clock_on();
- ret = s5p_mfc_alloc_and_load_firmware(dev);
- if (ret)
- goto err_alloc_fw;
+ ret = s5p_mfc_load_firmware(dev);
+ if (ret) {
+ s5p_mfc_clock_off();
+ goto err_load_fw;
+ }
/* Init the FW */
ret = s5p_mfc_init_hw(dev);
+ s5p_mfc_clock_off();
if (ret)
goto err_init_hw;
- s5p_mfc_clock_off();
}
/* Init videobuf2 queue for CAPTURE */
q = &ctx->vq_dst;
@@ -833,21 +837,20 @@ static int s5p_mfc_open(struct file *file)
return ret;
/* Deinit when failure occured */
err_queue_init:
+ if (dev->num_inst == 1)
+ s5p_mfc_deinit_hw(dev);
err_init_hw:
- s5p_mfc_release_firmware(dev);
-err_alloc_fw:
- dev->ctx[ctx->num] = NULL;
- del_timer_sync(&dev->watchdog_timer);
- s5p_mfc_clock_off();
+err_load_fw:
err_pwr_enable:
if (dev->num_inst == 1) {
if (s5p_mfc_power_off() < 0)
mfc_err("power off failed\n");
- s5p_mfc_release_firmware(dev);
+ del_timer_sync(&dev->watchdog_timer);
}
err_ctrls_setup:
s5p_mfc_dec_ctrls_delete(ctx);
err_bad_node:
+ dev->ctx[ctx->num] = NULL;
err_no_ctx:
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
@@ -901,11 +904,8 @@ static int s5p_mfc_release(struct file *file)
clear_bit(0, &dev->hw_lock);
dev->num_inst--;
if (dev->num_inst == 0) {
- mfc_debug(2, "Last instance - release firmware\n");
- /* reset <-> F/W release */
- s5p_mfc_reset(dev);
+ mfc_debug(2, "Last instance\n");
s5p_mfc_deinit_hw(dev);
- s5p_mfc_release_firmware(dev);
del_timer_sync(&dev->watchdog_timer);
if (s5p_mfc_power_off() < 0)
mfc_err("Power off failed\n");
@@ -1013,6 +1013,8 @@ static int match_child(struct device *dev, void *data)
return !strcmp(dev_name(dev), (char *)data);
}
+static void *mfc_get_drv_data(struct platform_device *pdev);
+
/* MFC probe function */
static int s5p_mfc_probe(struct platform_device *pdev)
{
@@ -1020,6 +1022,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
struct video_device *vfd;
struct resource *res;
int ret;
+ unsigned int mem_info[2];
pr_debug("%s++\n", __func__);
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
@@ -1036,8 +1039,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
return -ENODEV;
}
- dev->variant = (struct s5p_mfc_variant *)
- platform_get_device_id(pdev)->driver_data;
+ dev->variant = mfc_get_drv_data(pdev);
ret = s5p_mfc_init_pm(dev);
if (ret < 0) {
@@ -1067,35 +1069,74 @@ static int s5p_mfc_probe(struct platform_device *pdev)
goto err_res;
}
- dev->mem_dev_l = device_find_child(&dev->plat_dev->dev, "s5p-mfc-l",
- match_child);
- if (!dev->mem_dev_l) {
- mfc_err("Mem child (L) device get failed\n");
- ret = -ENODEV;
- goto err_res;
- }
+ if (pdev->dev.of_node) {
+ dev->mem_dev_l = kzalloc(sizeof(struct device), GFP_KERNEL);
+ if (!dev->mem_dev_l) {
+ mfc_err("Not enough memory\n");
+ ret = -ENOMEM;
+ goto err_res;
+ }
+ of_property_read_u32_array(pdev->dev.of_node, "samsung,mfc-l",
+ mem_info, 2);
+ if (dma_declare_coherent_memory(dev->mem_dev_l, mem_info[0],
+ mem_info[0], mem_info[1],
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE) == 0) {
+ mfc_err("Failed to declare coherent memory for\n"
+ "MFC device\n");
+ ret = -ENOMEM;
+ goto err_res;
+ }
- dev->mem_dev_r = device_find_child(&dev->plat_dev->dev, "s5p-mfc-r",
- match_child);
- if (!dev->mem_dev_r) {
- mfc_err("Mem child (R) device get failed\n");
- ret = -ENODEV;
- goto err_res;
+ dev->mem_dev_r = kzalloc(sizeof(struct device), GFP_KERNEL);
+ if (!dev->mem_dev_r) {
+ mfc_err("Not enough memory\n");
+ ret = -ENOMEM;
+ goto err_res;
+ }
+ of_property_read_u32_array(pdev->dev.of_node, "samsung,mfc-r",
+ mem_info, 2);
+ if (dma_declare_coherent_memory(dev->mem_dev_r, mem_info[0],
+ mem_info[0], mem_info[1],
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE) == 0) {
+ pr_err("Failed to declare coherent memory for\n"
+ "MFC device\n");
+ ret = -ENOMEM;
+ goto err_res;
+ }
+ } else {
+ dev->mem_dev_l = device_find_child(&dev->plat_dev->dev,
+ "s5p-mfc-l", match_child);
+ if (!dev->mem_dev_l) {
+ mfc_err("Mem child (L) device get failed\n");
+ ret = -ENODEV;
+ goto err_res;
+ }
+ dev->mem_dev_r = device_find_child(&dev->plat_dev->dev,
+ "s5p-mfc-r", match_child);
+ if (!dev->mem_dev_r) {
+ mfc_err("Mem child (R) device get failed\n");
+ ret = -ENODEV;
+ goto err_res;
+ }
}
dev->alloc_ctx[0] = vb2_dma_contig_init_ctx(dev->mem_dev_l);
- if (IS_ERR_OR_NULL(dev->alloc_ctx[0])) {
+ if (IS_ERR(dev->alloc_ctx[0])) {
ret = PTR_ERR(dev->alloc_ctx[0]);
goto err_res;
}
dev->alloc_ctx[1] = vb2_dma_contig_init_ctx(dev->mem_dev_r);
- if (IS_ERR_OR_NULL(dev->alloc_ctx[1])) {
+ if (IS_ERR(dev->alloc_ctx[1])) {
ret = PTR_ERR(dev->alloc_ctx[1]);
goto err_mem_init_ctx_1;
}
mutex_init(&dev->mfc_mutex);
+ ret = s5p_mfc_alloc_firmware(dev);
+ if (ret)
+ goto err_alloc_fw;
+
ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
if (ret)
goto err_v4l2_dev_reg;
@@ -1177,6 +1218,8 @@ err_dec_reg:
err_dec_alloc:
v4l2_device_unregister(&dev->v4l2_dev);
err_v4l2_dev_reg:
+ s5p_mfc_release_firmware(dev);
+err_alloc_fw:
vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[1]);
err_mem_init_ctx_1:
vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]);
@@ -1202,6 +1245,7 @@ static int s5p_mfc_remove(struct platform_device *pdev)
video_unregister_device(dev->vfd_enc);
video_unregister_device(dev->vfd_dec);
v4l2_device_unregister(&dev->v4l2_dev);
+ s5p_mfc_release_firmware(dev);
vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]);
vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[1]);
@@ -1352,6 +1396,35 @@ static struct platform_device_id mfc_driver_ids[] = {
};
MODULE_DEVICE_TABLE(platform, mfc_driver_ids);
+static const struct of_device_id exynos_mfc_match[] = {
+ {
+ .compatible = "samsung,mfc-v5",
+ .data = &mfc_drvdata_v5,
+ }, {
+ .compatible = "samsung,mfc-v6",
+ .data = &mfc_drvdata_v6,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, exynos_mfc_match);
+
+static void *mfc_get_drv_data(struct platform_device *pdev)
+{
+ struct s5p_mfc_variant *driver_data = NULL;
+
+ if (pdev->dev.of_node) {
+ const struct of_device_id *match;
+ match = of_match_node(of_match_ptr(exynos_mfc_match),
+ pdev->dev.of_node);
+ if (match)
+ driver_data = (struct s5p_mfc_variant *)match->data;
+ } else {
+ driver_data = (struct s5p_mfc_variant *)
+ platform_get_device_id(pdev)->driver_data;
+ }
+ return driver_data;
+}
+
static struct platform_driver s5p_mfc_driver = {
.probe = s5p_mfc_probe,
.remove = s5p_mfc_remove,
@@ -1359,7 +1432,8 @@ static struct platform_driver s5p_mfc_driver = {
.driver = {
.name = S5P_MFC_NAME,
.owner = THIS_MODULE,
- .pm = &s5p_mfc_pm_ops
+ .pm = &s5p_mfc_pm_ops,
+ .of_match_table = exynos_mfc_match,
},
};